| Index: net/quic/quic_connection_test.cc
|
| diff --git a/net/quic/quic_connection_test.cc b/net/quic/quic_connection_test.cc
|
| deleted file mode 100644
|
| index 38ec8f6d25da8ce9fecbc2a06951e0c0bac965f9..0000000000000000000000000000000000000000
|
| --- a/net/quic/quic_connection_test.cc
|
| +++ /dev/null
|
| @@ -1,4949 +0,0 @@
|
| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "net/quic/quic_connection.h"
|
| -
|
| -#include <errno.h>
|
| -#include <memory>
|
| -#include <ostream>
|
| -#include <utility>
|
| -
|
| -#include "base/bind.h"
|
| -#include "base/macros.h"
|
| -#include "base/stl_util.h"
|
| -#include "net/base/ip_address.h"
|
| -#include "net/base/net_errors.h"
|
| -#include "net/quic/congestion_control/loss_detection_interface.h"
|
| -#include "net/quic/congestion_control/send_algorithm_interface.h"
|
| -#include "net/quic/crypto/null_encrypter.h"
|
| -#include "net/quic/crypto/quic_decrypter.h"
|
| -#include "net/quic/crypto/quic_encrypter.h"
|
| -#include "net/quic/quic_flags.h"
|
| -#include "net/quic/quic_protocol.h"
|
| -#include "net/quic/quic_simple_buffer_allocator.h"
|
| -#include "net/quic/quic_utils.h"
|
| -#include "net/quic/test_tools/mock_clock.h"
|
| -#include "net/quic/test_tools/mock_random.h"
|
| -#include "net/quic/test_tools/quic_config_peer.h"
|
| -#include "net/quic/test_tools/quic_connection_peer.h"
|
| -#include "net/quic/test_tools/quic_framer_peer.h"
|
| -#include "net/quic/test_tools/quic_packet_creator_peer.h"
|
| -#include "net/quic/test_tools/quic_packet_generator_peer.h"
|
| -#include "net/quic/test_tools/quic_sent_packet_manager_peer.h"
|
| -#include "net/quic/test_tools/quic_test_utils.h"
|
| -#include "net/quic/test_tools/simple_quic_framer.h"
|
| -#include "net/test/gtest_util.h"
|
| -#include "testing/gmock/include/gmock/gmock.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -using base::StringPiece;
|
| -using std::map;
|
| -using std::ostream;
|
| -using std::string;
|
| -using std::vector;
|
| -using testing::AnyNumber;
|
| -using testing::AtLeast;
|
| -using testing::Contains;
|
| -using testing::DoAll;
|
| -using testing::InSequence;
|
| -using testing::InvokeWithoutArgs;
|
| -using testing::NiceMock;
|
| -using testing::Ref;
|
| -using testing::Return;
|
| -using testing::SaveArg;
|
| -using testing::SetArgPointee;
|
| -using testing::StrictMock;
|
| -using testing::_;
|
| -
|
| -namespace net {
|
| -namespace test {
|
| -namespace {
|
| -
|
| -const char data1[] = "foo";
|
| -const char data2[] = "bar";
|
| -
|
| -const bool kFin = true;
|
| -const bool kEntropyFlag = true;
|
| -const bool kHasStopWaiting = true;
|
| -
|
| -const QuicPacketEntropyHash kTestEntropyHash = 76;
|
| -
|
| -const int kDefaultRetransmissionTimeMs = 500;
|
| -
|
| -const IPEndPoint kPeerAddress = IPEndPoint(Loopback6(), /*port=*/12345);
|
| -const IPEndPoint kSelfAddress = IPEndPoint(Loopback6(), /*port=*/443);
|
| -
|
| -Perspective InvertPerspective(Perspective perspective) {
|
| - return perspective == Perspective::IS_CLIENT ? Perspective::IS_SERVER
|
| - : Perspective::IS_CLIENT;
|
| -}
|
| -
|
| -// TaggingEncrypter appends kTagSize bytes of |tag| to the end of each message.
|
| -class TaggingEncrypter : public QuicEncrypter {
|
| - public:
|
| - explicit TaggingEncrypter(uint8_t tag) : tag_(tag) {}
|
| -
|
| - ~TaggingEncrypter() override {}
|
| -
|
| - // QuicEncrypter interface.
|
| - bool SetKey(StringPiece key) override { return true; }
|
| -
|
| - bool SetNoncePrefix(StringPiece nonce_prefix) override { return true; }
|
| -
|
| - bool EncryptPacket(QuicPathId path_id,
|
| - QuicPacketNumber packet_number,
|
| - StringPiece associated_data,
|
| - StringPiece plaintext,
|
| - char* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) override {
|
| - const size_t len = plaintext.size() + kTagSize;
|
| - if (max_output_length < len) {
|
| - return false;
|
| - }
|
| - // Memmove is safe for inplace encryption.
|
| - memmove(output, plaintext.data(), plaintext.size());
|
| - output += plaintext.size();
|
| - memset(output, tag_, kTagSize);
|
| - *output_length = len;
|
| - return true;
|
| - }
|
| -
|
| - size_t GetKeySize() const override { return 0; }
|
| - size_t GetNoncePrefixSize() const override { return 0; }
|
| -
|
| - size_t GetMaxPlaintextSize(size_t ciphertext_size) const override {
|
| - return ciphertext_size - kTagSize;
|
| - }
|
| -
|
| - size_t GetCiphertextSize(size_t plaintext_size) const override {
|
| - return plaintext_size + kTagSize;
|
| - }
|
| -
|
| - StringPiece GetKey() const override { return StringPiece(); }
|
| -
|
| - StringPiece GetNoncePrefix() const override { return StringPiece(); }
|
| -
|
| - private:
|
| - enum {
|
| - kTagSize = 12,
|
| - };
|
| -
|
| - const uint8_t tag_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(TaggingEncrypter);
|
| -};
|
| -
|
| -// TaggingDecrypter ensures that the final kTagSize bytes of the message all
|
| -// have the same value and then removes them.
|
| -class TaggingDecrypter : public QuicDecrypter {
|
| - public:
|
| - ~TaggingDecrypter() override {}
|
| -
|
| - // QuicDecrypter interface
|
| - bool SetKey(StringPiece key) override { return true; }
|
| -
|
| - bool SetNoncePrefix(StringPiece nonce_prefix) override { return true; }
|
| -
|
| - bool SetPreliminaryKey(StringPiece key) override {
|
| - QUIC_BUG << "should not be called";
|
| - return false;
|
| - }
|
| -
|
| - bool SetDiversificationNonce(DiversificationNonce key) override {
|
| - return true;
|
| - }
|
| -
|
| - bool DecryptPacket(QuicPathId path_id,
|
| - QuicPacketNumber packet_number,
|
| - StringPiece associated_data,
|
| - StringPiece ciphertext,
|
| - char* output,
|
| - size_t* output_length,
|
| - size_t max_output_length) override {
|
| - if (ciphertext.size() < kTagSize) {
|
| - return false;
|
| - }
|
| - if (!CheckTag(ciphertext, GetTag(ciphertext))) {
|
| - return false;
|
| - }
|
| - *output_length = ciphertext.size() - kTagSize;
|
| - memcpy(output, ciphertext.data(), *output_length);
|
| - return true;
|
| - }
|
| -
|
| - StringPiece GetKey() const override { return StringPiece(); }
|
| - StringPiece GetNoncePrefix() const override { return StringPiece(); }
|
| - const char* cipher_name() const override { return "Tagging"; }
|
| - // Use a distinct value starting with 0xFFFFFF, which is never used by TLS.
|
| - uint32_t cipher_id() const override { return 0xFFFFFFF0; }
|
| -
|
| - protected:
|
| - virtual uint8_t GetTag(StringPiece ciphertext) {
|
| - return ciphertext.data()[ciphertext.size() - 1];
|
| - }
|
| -
|
| - private:
|
| - enum {
|
| - kTagSize = 12,
|
| - };
|
| -
|
| - bool CheckTag(StringPiece ciphertext, uint8_t tag) {
|
| - for (size_t i = ciphertext.size() - kTagSize; i < ciphertext.size(); i++) {
|
| - if (ciphertext.data()[i] != tag) {
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| - }
|
| -};
|
| -
|
| -// StringTaggingDecrypter ensures that the final kTagSize bytes of the message
|
| -// match the expected value.
|
| -class StrictTaggingDecrypter : public TaggingDecrypter {
|
| - public:
|
| - explicit StrictTaggingDecrypter(uint8_t tag) : tag_(tag) {}
|
| - ~StrictTaggingDecrypter() override {}
|
| -
|
| - // TaggingQuicDecrypter
|
| - uint8_t GetTag(StringPiece ciphertext) override { return tag_; }
|
| -
|
| - const char* cipher_name() const override { return "StrictTagging"; }
|
| - // Use a distinct value starting with 0xFFFFFF, which is never used by TLS.
|
| - uint32_t cipher_id() const override { return 0xFFFFFFF1; }
|
| -
|
| - private:
|
| - const uint8_t tag_;
|
| -};
|
| -
|
| -class TestConnectionHelper : public QuicConnectionHelperInterface {
|
| - public:
|
| - TestConnectionHelper(MockClock* clock, MockRandom* random_generator)
|
| - : clock_(clock), random_generator_(random_generator) {
|
| - clock_->AdvanceTime(QuicTime::Delta::FromSeconds(1));
|
| - }
|
| -
|
| - // QuicConnectionHelperInterface
|
| - const QuicClock* GetClock() const override { return clock_; }
|
| -
|
| - QuicRandom* GetRandomGenerator() override { return random_generator_; }
|
| -
|
| - QuicBufferAllocator* GetBufferAllocator() override {
|
| - return &buffer_allocator_;
|
| - }
|
| -
|
| - private:
|
| - MockClock* clock_;
|
| - MockRandom* random_generator_;
|
| - SimpleBufferAllocator buffer_allocator_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(TestConnectionHelper);
|
| -};
|
| -
|
| -class TestAlarmFactory : public QuicAlarmFactory {
|
| - public:
|
| - class TestAlarm : public QuicAlarm {
|
| - public:
|
| - explicit TestAlarm(QuicArenaScopedPtr<QuicAlarm::Delegate> delegate)
|
| - : QuicAlarm(std::move(delegate)) {}
|
| -
|
| - void SetImpl() override {}
|
| - void CancelImpl() override {}
|
| - using QuicAlarm::Fire;
|
| - };
|
| -
|
| - TestAlarmFactory() {}
|
| -
|
| - QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) override {
|
| - return new TestAlarm(QuicArenaScopedPtr<QuicAlarm::Delegate>(delegate));
|
| - }
|
| -
|
| - QuicArenaScopedPtr<QuicAlarm> CreateAlarm(
|
| - QuicArenaScopedPtr<QuicAlarm::Delegate> delegate,
|
| - QuicConnectionArena* arena) override {
|
| - return arena->New<TestAlarm>(std::move(delegate));
|
| - }
|
| -
|
| - private:
|
| - DISALLOW_COPY_AND_ASSIGN(TestAlarmFactory);
|
| -};
|
| -
|
| -class TestPacketWriter : public QuicPacketWriter {
|
| - public:
|
| - TestPacketWriter(QuicVersion version, MockClock* clock)
|
| - : version_(version),
|
| - framer_(SupportedVersions(version_)),
|
| - last_packet_size_(0),
|
| - write_blocked_(false),
|
| - write_should_fail_(false),
|
| - block_on_next_write_(false),
|
| - is_write_blocked_data_buffered_(false),
|
| - final_bytes_of_last_packet_(0),
|
| - final_bytes_of_previous_packet_(0),
|
| - use_tagging_decrypter_(false),
|
| - packets_write_attempts_(0),
|
| - clock_(clock),
|
| - write_pause_time_delta_(QuicTime::Delta::Zero()),
|
| - max_packet_size_(kMaxPacketSize) {}
|
| -
|
| - // QuicPacketWriter interface
|
| - WriteResult WritePacket(const char* buffer,
|
| - size_t buf_len,
|
| - const IPAddress& self_address,
|
| - const IPEndPoint& peer_address,
|
| - PerPacketOptions* options) override {
|
| - QuicEncryptedPacket packet(buffer, buf_len);
|
| - ++packets_write_attempts_;
|
| -
|
| - if (packet.length() >= sizeof(final_bytes_of_last_packet_)) {
|
| - final_bytes_of_previous_packet_ = final_bytes_of_last_packet_;
|
| - memcpy(&final_bytes_of_last_packet_, packet.data() + packet.length() - 4,
|
| - sizeof(final_bytes_of_last_packet_));
|
| - }
|
| -
|
| - if (use_tagging_decrypter_) {
|
| - framer_.framer()->SetDecrypter(ENCRYPTION_NONE, new TaggingDecrypter);
|
| - }
|
| - EXPECT_TRUE(framer_.ProcessPacket(packet));
|
| - if (block_on_next_write_) {
|
| - write_blocked_ = true;
|
| - block_on_next_write_ = false;
|
| - }
|
| - if (IsWriteBlocked()) {
|
| - return WriteResult(WRITE_STATUS_BLOCKED, -1);
|
| - }
|
| -
|
| - if (ShouldWriteFail()) {
|
| - return WriteResult(WRITE_STATUS_ERROR, 0);
|
| - }
|
| -
|
| - last_packet_size_ = packet.length();
|
| -
|
| - if (!write_pause_time_delta_.IsZero()) {
|
| - clock_->AdvanceTime(write_pause_time_delta_);
|
| - }
|
| - return WriteResult(WRITE_STATUS_OK, last_packet_size_);
|
| - }
|
| -
|
| - bool IsWriteBlockedDataBuffered() const override {
|
| - return is_write_blocked_data_buffered_;
|
| - }
|
| -
|
| - bool ShouldWriteFail() { return write_should_fail_; }
|
| -
|
| - bool IsWriteBlocked() const override { return write_blocked_; }
|
| -
|
| - void SetWritable() override { write_blocked_ = false; }
|
| -
|
| - void SetShouldWriteFail() { write_should_fail_ = true; }
|
| -
|
| - QuicByteCount GetMaxPacketSize(
|
| - const IPEndPoint& /*peer_address*/) const override {
|
| - return max_packet_size_;
|
| - }
|
| -
|
| - void BlockOnNextWrite() { block_on_next_write_ = true; }
|
| -
|
| - // Sets the amount of time that the writer should before the actual write.
|
| - void SetWritePauseTimeDelta(QuicTime::Delta delta) {
|
| - write_pause_time_delta_ = delta;
|
| - }
|
| -
|
| - const QuicPacketHeader& header() { return framer_.header(); }
|
| -
|
| - size_t frame_count() const { return framer_.num_frames(); }
|
| -
|
| - const vector<QuicAckFrame>& ack_frames() const {
|
| - return framer_.ack_frames();
|
| - }
|
| -
|
| - const vector<QuicStopWaitingFrame>& stop_waiting_frames() const {
|
| - return framer_.stop_waiting_frames();
|
| - }
|
| -
|
| - const vector<QuicConnectionCloseFrame>& connection_close_frames() const {
|
| - return framer_.connection_close_frames();
|
| - }
|
| -
|
| - const vector<QuicRstStreamFrame>& rst_stream_frames() const {
|
| - return framer_.rst_stream_frames();
|
| - }
|
| -
|
| - const vector<QuicStreamFrame*>& stream_frames() const {
|
| - return framer_.stream_frames();
|
| - }
|
| -
|
| - const vector<QuicPingFrame>& ping_frames() const {
|
| - return framer_.ping_frames();
|
| - }
|
| -
|
| - size_t last_packet_size() { return last_packet_size_; }
|
| -
|
| - const QuicVersionNegotiationPacket* version_negotiation_packet() {
|
| - return framer_.version_negotiation_packet();
|
| - }
|
| -
|
| - void set_is_write_blocked_data_buffered(bool buffered) {
|
| - is_write_blocked_data_buffered_ = buffered;
|
| - }
|
| -
|
| - void set_perspective(Perspective perspective) {
|
| - // We invert perspective here, because the framer needs to parse packets
|
| - // we send.
|
| - QuicFramerPeer::SetPerspective(framer_.framer(),
|
| - InvertPerspective(perspective));
|
| - }
|
| -
|
| - // final_bytes_of_last_packet_ returns the last four bytes of the previous
|
| - // packet as a little-endian, uint32_t. This is intended to be used with a
|
| - // TaggingEncrypter so that tests can determine which encrypter was used for
|
| - // a given packet.
|
| - uint32_t final_bytes_of_last_packet() { return final_bytes_of_last_packet_; }
|
| -
|
| - // Returns the final bytes of the second to last packet.
|
| - uint32_t final_bytes_of_previous_packet() {
|
| - return final_bytes_of_previous_packet_;
|
| - }
|
| -
|
| - void use_tagging_decrypter() { use_tagging_decrypter_ = true; }
|
| -
|
| - uint32_t packets_write_attempts() { return packets_write_attempts_; }
|
| -
|
| - void Reset() { framer_.Reset(); }
|
| -
|
| - void SetSupportedVersions(const QuicVersionVector& versions) {
|
| - framer_.SetSupportedVersions(versions);
|
| - }
|
| -
|
| - void set_max_packet_size(QuicByteCount max_packet_size) {
|
| - max_packet_size_ = max_packet_size;
|
| - }
|
| -
|
| - private:
|
| - QuicVersion version_;
|
| - SimpleQuicFramer framer_;
|
| - size_t last_packet_size_;
|
| - bool write_blocked_;
|
| - bool write_should_fail_;
|
| - bool block_on_next_write_;
|
| - bool is_write_blocked_data_buffered_;
|
| - uint32_t final_bytes_of_last_packet_;
|
| - uint32_t final_bytes_of_previous_packet_;
|
| - bool use_tagging_decrypter_;
|
| - uint32_t packets_write_attempts_;
|
| - MockClock* clock_;
|
| - // If non-zero, the clock will pause during WritePacket for this amount of
|
| - // time.
|
| - QuicTime::Delta write_pause_time_delta_;
|
| - QuicByteCount max_packet_size_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(TestPacketWriter);
|
| -};
|
| -
|
| -class TestConnection : public QuicConnection {
|
| - public:
|
| - TestConnection(QuicConnectionId connection_id,
|
| - IPEndPoint address,
|
| - TestConnectionHelper* helper,
|
| - TestAlarmFactory* alarm_factory,
|
| - TestPacketWriter* writer,
|
| - Perspective perspective,
|
| - QuicVersion version)
|
| - : QuicConnection(connection_id,
|
| - address,
|
| - helper,
|
| - alarm_factory,
|
| - writer,
|
| - /* owns_writer= */ false,
|
| - perspective,
|
| - SupportedVersions(version)) {
|
| - writer->set_perspective(perspective);
|
| - }
|
| -
|
| - void SendAck() { QuicConnectionPeer::SendAck(this); }
|
| -
|
| - void SetSendAlgorithm(QuicPathId path_id,
|
| - SendAlgorithmInterface* send_algorithm) {
|
| - QuicConnectionPeer::SetSendAlgorithm(this, path_id, send_algorithm);
|
| - }
|
| -
|
| - void SetLossAlgorithm(QuicPathId path_id,
|
| - LossDetectionInterface* loss_algorithm) {
|
| - QuicConnectionPeer::SetLossAlgorithm(this, path_id, loss_algorithm);
|
| - }
|
| -
|
| - void SendPacket(EncryptionLevel level,
|
| - QuicPathId path_id,
|
| - QuicPacketNumber packet_number,
|
| - QuicPacket* packet,
|
| - QuicPacketEntropyHash entropy_hash,
|
| - HasRetransmittableData retransmittable,
|
| - bool has_ack,
|
| - bool has_pending_frames) {
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length =
|
| - QuicConnectionPeer::GetFramer(this)->EncryptPayload(
|
| - ENCRYPTION_NONE, path_id, packet_number, *packet, buffer,
|
| - kMaxPacketSize);
|
| - delete packet;
|
| - SerializedPacket serialized_packet(
|
| - kDefaultPathId, packet_number, PACKET_6BYTE_PACKET_NUMBER, buffer,
|
| - encrypted_length, entropy_hash, has_ack, has_pending_frames);
|
| - if (retransmittable == HAS_RETRANSMITTABLE_DATA) {
|
| - serialized_packet.retransmittable_frames.push_back(
|
| - QuicFrame(new QuicStreamFrame()));
|
| - }
|
| - OnSerializedPacket(&serialized_packet);
|
| - }
|
| -
|
| - QuicConsumedData SendStreamDataWithString(
|
| - QuicStreamId id,
|
| - StringPiece data,
|
| - QuicStreamOffset offset,
|
| - bool fin,
|
| - QuicAckListenerInterface* listener) {
|
| - struct iovec iov;
|
| - QuicIOVector data_iov(MakeIOVector(data, &iov));
|
| - return QuicConnection::SendStreamData(id, data_iov, offset, fin, listener);
|
| - }
|
| -
|
| - QuicConsumedData SendStreamData3() {
|
| - return SendStreamDataWithString(kClientDataStreamId1, "food", 0, !kFin,
|
| - nullptr);
|
| - }
|
| -
|
| - QuicConsumedData SendStreamData5() {
|
| - return SendStreamDataWithString(kClientDataStreamId2, "food2", 0, !kFin,
|
| - nullptr);
|
| - }
|
| -
|
| - // Ensures the connection can write stream data before writing.
|
| - QuicConsumedData EnsureWritableAndSendStreamData5() {
|
| - EXPECT_TRUE(CanWriteStreamData());
|
| - return SendStreamData5();
|
| - }
|
| -
|
| - // The crypto stream has special semantics so that it is not blocked by a
|
| - // congestion window limitation, and also so that it gets put into a separate
|
| - // packet (so that it is easier to reason about a crypto frame not being
|
| - // split needlessly across packet boundaries). As a result, we have separate
|
| - // tests for some cases for this stream.
|
| - QuicConsumedData SendCryptoStreamData() {
|
| - return SendStreamDataWithString(kCryptoStreamId, "chlo", 0, !kFin, nullptr);
|
| - }
|
| -
|
| - void set_version(QuicVersion version) {
|
| - QuicConnectionPeer::GetFramer(this)->set_version(version);
|
| - }
|
| -
|
| - void SetSupportedVersions(const QuicVersionVector& versions) {
|
| - QuicConnectionPeer::GetFramer(this)->SetSupportedVersions(versions);
|
| - writer()->SetSupportedVersions(versions);
|
| - }
|
| -
|
| - void set_perspective(Perspective perspective) {
|
| - writer()->set_perspective(perspective);
|
| - QuicConnectionPeer::SetPerspective(this, perspective);
|
| - }
|
| -
|
| - // Enable path MTU discovery. Assumes that the test is performed from the
|
| - // client perspective and the higher value of MTU target is used.
|
| - void EnablePathMtuDiscovery(MockSendAlgorithm* send_algorithm) {
|
| - ASSERT_EQ(Perspective::IS_CLIENT, perspective());
|
| -
|
| - QuicConfig config;
|
| - QuicTagVector connection_options;
|
| - connection_options.push_back(kMTUH);
|
| - config.SetConnectionOptionsToSend(connection_options);
|
| - EXPECT_CALL(*send_algorithm, SetFromConfig(_, _));
|
| - SetFromConfig(config);
|
| -
|
| - // Normally, the pacing would be disabled in the test, but calling
|
| - // SetFromConfig enables it. Set nearly-infinite bandwidth to make the
|
| - // pacing algorithm work.
|
| - EXPECT_CALL(*send_algorithm, PacingRate(_))
|
| - .WillRepeatedly(Return(QuicBandwidth::FromKBytesPerSecond(10000)));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetAckAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetAckAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetPingAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetPingAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetResumeWritesAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetResumeWritesAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetRetransmissionAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetRetransmissionAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetSendAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetSendAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetTimeoutAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetTimeoutAlarm(this));
|
| - }
|
| -
|
| - TestAlarmFactory::TestAlarm* GetMtuDiscoveryAlarm() {
|
| - return reinterpret_cast<TestAlarmFactory::TestAlarm*>(
|
| - QuicConnectionPeer::GetMtuDiscoveryAlarm(this));
|
| - }
|
| -
|
| - void SetMaxTailLossProbes(QuicPathId path_id, size_t max_tail_loss_probes) {
|
| - QuicSentPacketManagerPeer::SetMaxTailLossProbes(
|
| - QuicConnectionPeer::GetSentPacketManager(this, path_id),
|
| - max_tail_loss_probes);
|
| - }
|
| -
|
| - QuicByteCount GetBytesInFlight(QuicPathId path_id) {
|
| - return QuicSentPacketManagerPeer::GetBytesInFlight(
|
| - QuicConnectionPeer::GetSentPacketManager(this, path_id));
|
| - }
|
| -
|
| - using QuicConnection::SelectMutualVersion;
|
| - using QuicConnection::set_defer_send_in_response_to_packets;
|
| -
|
| - private:
|
| - TestPacketWriter* writer() {
|
| - return static_cast<TestPacketWriter*>(QuicConnection::writer());
|
| - }
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(TestConnection);
|
| -};
|
| -
|
| -enum class AckResponse { kDefer, kImmediate };
|
| -
|
| -// Run tests with combinations of {QuicVersion, AckResponse}.
|
| -struct TestParams {
|
| - TestParams(QuicVersion version, AckResponse ack_response)
|
| - : version(version), ack_response(ack_response) {}
|
| -
|
| - friend ostream& operator<<(ostream& os, const TestParams& p) {
|
| - os << "{ client_version: " << QuicVersionToString(p.version)
|
| - << " ack_response: "
|
| - << (p.ack_response == AckResponse::kDefer ? "defer" : "immediate")
|
| - << " }";
|
| - return os;
|
| - }
|
| -
|
| - QuicVersion version;
|
| - AckResponse ack_response;
|
| -};
|
| -
|
| -// Constructs various test permutations.
|
| -vector<TestParams> GetTestParams() {
|
| - vector<TestParams> params;
|
| - QuicVersionVector all_supported_versions = QuicSupportedVersions();
|
| - for (size_t i = 0; i < all_supported_versions.size(); ++i) {
|
| - for (AckResponse ack_response :
|
| - {AckResponse::kDefer, AckResponse::kImmediate}) {
|
| - params.push_back(TestParams(all_supported_versions[i], ack_response));
|
| - }
|
| - }
|
| - return params;
|
| -}
|
| -
|
| -class QuicConnectionTest : public ::testing::TestWithParam<TestParams> {
|
| - protected:
|
| - QuicConnectionTest()
|
| - : connection_id_(42),
|
| - framer_(SupportedVersions(version()),
|
| - QuicTime::Zero(),
|
| - Perspective::IS_CLIENT),
|
| - send_algorithm_(new StrictMock<MockSendAlgorithm>),
|
| - loss_algorithm_(new MockLossAlgorithm()),
|
| - helper_(new TestConnectionHelper(&clock_, &random_generator_)),
|
| - alarm_factory_(new TestAlarmFactory()),
|
| - peer_framer_(SupportedVersions(version()),
|
| - QuicTime::Zero(),
|
| - Perspective::IS_SERVER),
|
| - peer_creator_(connection_id_,
|
| - &peer_framer_,
|
| - &random_generator_,
|
| - &buffer_allocator_,
|
| - /*delegate=*/nullptr),
|
| - writer_(new TestPacketWriter(version(), &clock_)),
|
| - connection_(connection_id_,
|
| - kPeerAddress,
|
| - helper_.get(),
|
| - alarm_factory_.get(),
|
| - writer_.get(),
|
| - Perspective::IS_CLIENT,
|
| - version()),
|
| - creator_(QuicConnectionPeer::GetPacketCreator(&connection_)),
|
| - generator_(QuicConnectionPeer::GetPacketGenerator(&connection_)),
|
| - manager_(QuicConnectionPeer::GetSentPacketManager(&connection_,
|
| - kDefaultPathId)),
|
| - frame1_(1, false, 0, StringPiece(data1)),
|
| - frame2_(1, false, 3, StringPiece(data2)),
|
| - packet_number_length_(PACKET_6BYTE_PACKET_NUMBER),
|
| - connection_id_length_(PACKET_8BYTE_CONNECTION_ID) {
|
| - connection_.set_defer_send_in_response_to_packets(GetParam().ack_response ==
|
| - AckResponse::kDefer);
|
| - FLAGS_quic_always_log_bugs_for_tests = true;
|
| - connection_.set_visitor(&visitor_);
|
| - connection_.SetSendAlgorithm(kDefaultPathId, send_algorithm_);
|
| - connection_.SetLossAlgorithm(kDefaultPathId, loss_algorithm_);
|
| - framer_.set_received_entropy_calculator(&entropy_calculator_);
|
| - peer_framer_.set_received_entropy_calculator(&peer_entropy_calculator_);
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(Return(QuicTime::Delta::Zero()));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .Times(AnyNumber());
|
| - EXPECT_CALL(*send_algorithm_, RetransmissionDelay())
|
| - .WillRepeatedly(Return(QuicTime::Delta::Zero()));
|
| - EXPECT_CALL(*send_algorithm_, GetCongestionWindow())
|
| - .WillRepeatedly(Return(kDefaultTCPMSS));
|
| - EXPECT_CALL(*send_algorithm_, PacingRate(_))
|
| - .WillRepeatedly(Return(QuicBandwidth::Zero()));
|
| - ON_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillByDefault(Return(true));
|
| - EXPECT_CALL(*send_algorithm_, HasReliableBandwidthEstimate())
|
| - .Times(AnyNumber());
|
| - EXPECT_CALL(*send_algorithm_, BandwidthEstimate())
|
| - .Times(AnyNumber())
|
| - .WillRepeatedly(Return(QuicBandwidth::Zero()));
|
| - EXPECT_CALL(*send_algorithm_, InSlowStart()).Times(AnyNumber());
|
| - EXPECT_CALL(*send_algorithm_, InRecovery()).Times(AnyNumber());
|
| - EXPECT_CALL(visitor_, WillingAndAbleToWrite()).Times(AnyNumber());
|
| - EXPECT_CALL(visitor_, HasPendingHandshake()).Times(AnyNumber());
|
| - EXPECT_CALL(visitor_, OnCanWrite()).Times(AnyNumber());
|
| - EXPECT_CALL(visitor_, PostProcessAfterData()).Times(AnyNumber());
|
| - EXPECT_CALL(visitor_, HasOpenDynamicStreams())
|
| - .WillRepeatedly(Return(false));
|
| - EXPECT_CALL(visitor_, OnCongestionWindowChange(_)).Times(AnyNumber());
|
| -
|
| - EXPECT_CALL(*loss_algorithm_, GetLossTimeout())
|
| - .WillRepeatedly(Return(QuicTime::Zero()));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .Times(AnyNumber());
|
| - // TODO(ianswett): Fix QuicConnectionTests so they don't attempt to write
|
| - // non-crypto stream data at ENCRYPTION_NONE.
|
| - FLAGS_quic_never_write_unencrypted_data = false;
|
| - }
|
| -
|
| - QuicVersion version() { return GetParam().version; }
|
| -
|
| - QuicAckFrame* outgoing_ack() {
|
| - QuicFrame ack_frame = QuicConnectionPeer::GetUpdatedAckFrame(&connection_);
|
| - ack_ = *ack_frame.ack_frame;
|
| - return &ack_;
|
| - }
|
| -
|
| - QuicStopWaitingFrame* stop_waiting() {
|
| - QuicConnectionPeer::PopulateStopWaitingFrame(&connection_, &stop_waiting_);
|
| - return &stop_waiting_;
|
| - }
|
| -
|
| - QuicPacketNumber least_unacked() {
|
| - if (writer_->stop_waiting_frames().empty()) {
|
| - return 0;
|
| - }
|
| - return writer_->stop_waiting_frames()[0].least_unacked;
|
| - }
|
| -
|
| - void use_tagging_decrypter() { writer_->use_tagging_decrypter(); }
|
| -
|
| - void ProcessPacket(QuicPathId path_id, QuicPacketNumber number) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacket(path_id, number, !kEntropyFlag);
|
| - if (connection_.GetSendAlarm()->IsSet()) {
|
| - connection_.GetSendAlarm()->Fire();
|
| - }
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessFramePacket(QuicFrame frame) {
|
| - return ProcessFramePacketWithAddresses(frame, kSelfAddress, kPeerAddress);
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessFramePacketWithAddresses(
|
| - QuicFrame frame,
|
| - IPEndPoint self_address,
|
| - IPEndPoint peer_address) {
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(frame));
|
| - QuicPacketCreatorPeer::SetSendVersionInPacket(
|
| - &peer_creator_, connection_.perspective() == Perspective::IS_SERVER);
|
| -
|
| - char buffer[kMaxPacketSize];
|
| - SerializedPacket serialized_packet =
|
| - QuicPacketCreatorPeer::SerializeAllFrames(&peer_creator_, frames,
|
| - buffer, kMaxPacketSize);
|
| - connection_.ProcessUdpPacket(
|
| - self_address, peer_address,
|
| - QuicReceivedPacket(serialized_packet.encrypted_buffer,
|
| - serialized_packet.encrypted_length, clock_.Now()));
|
| - if (connection_.GetSendAlarm()->IsSet()) {
|
| - connection_.GetSendAlarm()->Fire();
|
| - }
|
| - return serialized_packet.entropy_hash;
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessFramePacketAtLevel(QuicPathId path_id,
|
| - QuicPacketNumber number,
|
| - QuicFrame frame,
|
| - EncryptionLevel level) {
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.packet_number_length = packet_number_length_;
|
| - header.public_header.connection_id_length = connection_id_length_;
|
| - header.public_header.multipath_flag = path_id != kDefaultPathId;
|
| - header.path_id = path_id;
|
| - header.packet_number = number;
|
| - QuicFrames frames;
|
| - frames.push_back(frame);
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| -
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - level, path_id, number, *packet, buffer, kMaxPacketSize);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| - return base::checked_cast<QuicPacketEntropyHash>(encrypted_length);
|
| - }
|
| -
|
| - size_t ProcessDataPacket(QuicPathId path_id,
|
| - QuicPacketNumber number,
|
| - bool entropy_flag) {
|
| - return ProcessDataPacketAtLevel(path_id, number, entropy_flag, false,
|
| - ENCRYPTION_NONE);
|
| - }
|
| -
|
| - size_t ProcessDataPacketAtLevel(QuicPathId path_id,
|
| - QuicPacketNumber number,
|
| - bool entropy_flag,
|
| - bool has_stop_waiting,
|
| - EncryptionLevel level) {
|
| - std::unique_ptr<QuicPacket> packet(
|
| - ConstructDataPacket(path_id, number, entropy_flag, has_stop_waiting));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - level, path_id, number, *packet, buffer, kMaxPacketSize);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| - if (connection_.GetSendAlarm()->IsSet()) {
|
| - connection_.GetSendAlarm()->Fire();
|
| - }
|
| - return encrypted_length;
|
| - }
|
| -
|
| - void ProcessClosePacket(QuicPathId path_id, QuicPacketNumber number) {
|
| - std::unique_ptr<QuicPacket> packet(ConstructClosePacket(number));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, path_id, number, *packet, buffer, kMaxPacketSize);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| - }
|
| -
|
| - QuicByteCount SendStreamDataToPeer(QuicStreamId id,
|
| - StringPiece data,
|
| - QuicStreamOffset offset,
|
| - bool fin,
|
| - QuicPacketNumber* last_packet) {
|
| - QuicByteCount packet_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&packet_size), Return(true)));
|
| - connection_.SendStreamDataWithString(id, data, offset, fin, nullptr);
|
| - if (last_packet != nullptr) {
|
| - *last_packet = creator_->packet_number();
|
| - }
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .Times(AnyNumber());
|
| - return packet_size;
|
| - }
|
| -
|
| - void SendAckPacketToPeer() {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendAck();
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .Times(AnyNumber());
|
| - }
|
| -
|
| - void ProcessAckPacket(QuicPacketNumber packet_number, QuicAckFrame* frame) {
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, packet_number - 1);
|
| - ProcessFramePacket(QuicFrame(frame));
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessAckPacket(QuicAckFrame* frame) {
|
| - return ProcessFramePacket(QuicFrame(frame));
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessStopWaitingPacket(QuicStopWaitingFrame* frame) {
|
| - return ProcessFramePacket(QuicFrame(frame));
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessStopWaitingPacketAtLevel(
|
| - QuicPathId path_id,
|
| - QuicPacketNumber number,
|
| - QuicStopWaitingFrame* frame,
|
| - EncryptionLevel level) {
|
| - return ProcessFramePacketAtLevel(path_id, number, QuicFrame(frame),
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessGoAwayPacket(QuicGoAwayFrame* frame) {
|
| - return ProcessFramePacket(QuicFrame(frame));
|
| - }
|
| -
|
| - QuicPacketEntropyHash ProcessPathClosePacket(QuicPathCloseFrame* frame) {
|
| - return ProcessFramePacket(QuicFrame(frame));
|
| - }
|
| -
|
| - bool IsMissing(QuicPacketNumber number) {
|
| - return IsAwaitingPacket(*outgoing_ack(), number, 0);
|
| - }
|
| -
|
| - QuicPacket* ConstructPacket(QuicPacketHeader header, QuicFrames frames) {
|
| - QuicPacket* packet = BuildUnsizedDataPacket(&peer_framer_, header, frames);
|
| - EXPECT_NE(nullptr, packet);
|
| - return packet;
|
| - }
|
| -
|
| - QuicPacket* ConstructDataPacket(QuicPathId path_id,
|
| - QuicPacketNumber number,
|
| - bool entropy_flag,
|
| - bool has_stop_waiting) {
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.packet_number_length = packet_number_length_;
|
| - header.public_header.connection_id_length = connection_id_length_;
|
| - header.public_header.multipath_flag = path_id != kDefaultPathId;
|
| - header.entropy_flag = entropy_flag;
|
| - header.path_id = path_id;
|
| - header.packet_number = number;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - if (has_stop_waiting) {
|
| - frames.push_back(QuicFrame(&stop_waiting_));
|
| - }
|
| - return ConstructPacket(header, frames);
|
| - }
|
| -
|
| - QuicPacket* ConstructClosePacket(QuicPacketNumber number) {
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.packet_number = number;
|
| -
|
| - QuicConnectionCloseFrame qccf;
|
| - qccf.error_code = QUIC_PEER_GOING_AWAY;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&qccf));
|
| - return ConstructPacket(header, frames);
|
| - }
|
| -
|
| - QuicTime::Delta DefaultRetransmissionTime() {
|
| - return QuicTime::Delta::FromMilliseconds(kDefaultRetransmissionTimeMs);
|
| - }
|
| -
|
| - QuicTime::Delta DefaultDelayedAckTime() {
|
| - return QuicTime::Delta::FromMilliseconds(kMaxDelayedAckTimeMs);
|
| - }
|
| -
|
| - // Initialize a frame acknowledging all packets up to largest_observed.
|
| - const QuicAckFrame InitAckFrame(QuicPacketNumber largest_observed) {
|
| - QuicAckFrame frame(MakeAckFrame(largest_observed));
|
| - if (GetParam().version <= QUIC_VERSION_33) {
|
| - if (largest_observed > 0) {
|
| - frame.entropy_hash = QuicConnectionPeer::GetSentEntropyHash(
|
| - &connection_, largest_observed);
|
| - }
|
| - } else {
|
| - frame.missing = false;
|
| - if (largest_observed > 0) {
|
| - frame.packets.Add(1, largest_observed + 1);
|
| - }
|
| - }
|
| - return frame;
|
| - }
|
| -
|
| - const QuicStopWaitingFrame InitStopWaitingFrame(
|
| - QuicPacketNumber least_unacked) {
|
| - QuicStopWaitingFrame frame;
|
| - frame.least_unacked = least_unacked;
|
| - return frame;
|
| - }
|
| -
|
| - // Explicitly nack a packet.
|
| - void NackPacket(QuicPacketNumber missing, QuicAckFrame* frame) {
|
| - if (frame->missing) {
|
| - frame->packets.Add(missing);
|
| - frame->entropy_hash ^=
|
| - QuicConnectionPeer::PacketEntropy(&connection_, missing);
|
| - } else {
|
| - frame->packets.Remove(missing);
|
| - }
|
| - }
|
| -
|
| - // Undo nacking a packet within the frame.
|
| - void AckPacket(QuicPacketNumber arrived, QuicAckFrame* frame) {
|
| - if (frame->missing) {
|
| - EXPECT_TRUE(frame->packets.Contains(arrived));
|
| - frame->packets.Remove(arrived);
|
| - frame->entropy_hash ^=
|
| - QuicConnectionPeer::PacketEntropy(&connection_, arrived);
|
| - } else {
|
| - EXPECT_FALSE(frame->packets.Contains(arrived));
|
| - frame->packets.Add(arrived);
|
| - }
|
| - }
|
| -
|
| - void TriggerConnectionClose() {
|
| - // Send an erroneous packet to close the connection.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_INVALID_PACKET_HEADER, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - // Call ProcessDataPacket rather than ProcessPacket, as we should not get a
|
| - // packet call to the visitor.
|
| - ProcessDataPacket(kDefaultPathId, 6000, !kEntropyFlag);
|
| - EXPECT_FALSE(QuicConnectionPeer::GetConnectionClosePacket(&connection_) ==
|
| - nullptr);
|
| - }
|
| -
|
| - void BlockOnNextWrite() {
|
| - writer_->BlockOnNextWrite();
|
| - EXPECT_CALL(visitor_, OnWriteBlocked()).Times(AtLeast(1));
|
| - }
|
| -
|
| - void SetWritePauseTimeDelta(QuicTime::Delta delta) {
|
| - writer_->SetWritePauseTimeDelta(delta);
|
| - }
|
| -
|
| - void CongestionBlockWrites() {
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(testing::Return(QuicTime::Delta::FromSeconds(1)));
|
| - }
|
| -
|
| - void CongestionUnblockWrites() {
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(testing::Return(QuicTime::Delta::Zero()));
|
| - }
|
| -
|
| - void set_perspective(Perspective perspective) {
|
| - connection_.set_perspective(perspective);
|
| - QuicFramerPeer::SetPerspective(&peer_framer_,
|
| - InvertPerspective(perspective));
|
| - }
|
| -
|
| - QuicConnectionId connection_id_;
|
| - QuicFramer framer_;
|
| - MockEntropyCalculator entropy_calculator_;
|
| - MockEntropyCalculator peer_entropy_calculator_;
|
| -
|
| - MockSendAlgorithm* send_algorithm_;
|
| - MockLossAlgorithm* loss_algorithm_;
|
| - MockClock clock_;
|
| - MockRandom random_generator_;
|
| - SimpleBufferAllocator buffer_allocator_;
|
| - std::unique_ptr<TestConnectionHelper> helper_;
|
| - std::unique_ptr<TestAlarmFactory> alarm_factory_;
|
| - QuicFramer peer_framer_;
|
| - QuicPacketCreator peer_creator_;
|
| - std::unique_ptr<TestPacketWriter> writer_;
|
| - TestConnection connection_;
|
| - QuicPacketCreator* creator_;
|
| - QuicPacketGenerator* generator_;
|
| - QuicSentPacketManagerInterface* manager_;
|
| - StrictMock<MockQuicConnectionVisitor> visitor_;
|
| -
|
| - QuicStreamFrame frame1_;
|
| - QuicStreamFrame frame2_;
|
| - QuicAckFrame ack_;
|
| - QuicStopWaitingFrame stop_waiting_;
|
| - QuicPacketNumberLength packet_number_length_;
|
| - QuicConnectionIdLength connection_id_length_;
|
| -
|
| - private:
|
| - DISALLOW_COPY_AND_ASSIGN(QuicConnectionTest);
|
| -};
|
| -
|
| -// Run all end to end tests with all supported versions.
|
| -INSTANTIATE_TEST_CASE_P(SupportedVersion,
|
| - QuicConnectionTest,
|
| - ::testing::ValuesIn(GetTestParams()));
|
| -
|
| -TEST_P(QuicConnectionTest, SelfAddressChangeAtClient) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - EXPECT_EQ(Perspective::IS_CLIENT, connection_.perspective());
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - QuicStreamFrame stream_frame(1u, false, 0u, StringPiece());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_));
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), kSelfAddress,
|
| - kPeerAddress);
|
| - // Cause change in self_address.
|
| - IPEndPoint self_address(IPAddress(1, 1, 1, 1), 123);
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_));
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), self_address,
|
| - kPeerAddress);
|
| - EXPECT_TRUE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SelfAddressChangeAtServer) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - set_perspective(Perspective::IS_SERVER);
|
| - QuicPacketCreatorPeer::SetSendVersionInPacket(creator_, false);
|
| -
|
| - EXPECT_EQ(Perspective::IS_SERVER, connection_.perspective());
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - QuicStreamFrame stream_frame(1u, false, 0u, StringPiece());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_));
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), kSelfAddress,
|
| - kPeerAddress);
|
| - // Cause change in self_address.
|
| - IPEndPoint self_address(IPAddress(1, 1, 1, 1), 123);
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_ERROR_MIGRATING_ADDRESS, _, _));
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), self_address,
|
| - kPeerAddress);
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ClientAddressChangeAndPacketReordered) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - set_perspective(Perspective::IS_SERVER);
|
| - QuicPacketCreatorPeer::SetSendVersionInPacket(creator_, false);
|
| - // Clear peer address.
|
| - QuicConnectionPeer::SetPeerAddress(&connection_, IPEndPoint());
|
| -
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 5);
|
| - QuicStreamFrame stream_frame(1u, false, 0u, StringPiece());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(AnyNumber());
|
| - const IPEndPoint kNewPeerAddress = IPEndPoint(Loopback6(),
|
| - /*port=*/23456);
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), kSelfAddress,
|
| - kNewPeerAddress);
|
| -
|
| - // Decrease packet number to simulate out-of-order packets.
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 4);
|
| - if (FLAGS_quic_do_not_migrate_on_old_packet) {
|
| - // This is an old packet, do not migrate.
|
| - EXPECT_CALL(visitor_, OnConnectionMigration(PORT_CHANGE)).Times(0);
|
| - } else {
|
| - // A connection migration is observed.
|
| - EXPECT_CALL(visitor_, OnConnectionMigration(PORT_CHANGE));
|
| - }
|
| - ProcessFramePacketWithAddresses(QuicFrame(&stream_frame), kSelfAddress,
|
| - kPeerAddress);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, MaxPacketSize) {
|
| - EXPECT_EQ(Perspective::IS_CLIENT, connection_.perspective());
|
| - EXPECT_EQ(1350u, connection_.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SmallerServerMaxPacketSize) {
|
| - QuicConnectionId connection_id = 42;
|
| - TestConnection connection(connection_id, kPeerAddress, helper_.get(),
|
| - alarm_factory_.get(), writer_.get(),
|
| - Perspective::IS_SERVER, version());
|
| - EXPECT_EQ(Perspective::IS_SERVER, connection.perspective());
|
| - EXPECT_EQ(1000u, connection.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, IncreaseServerMaxPacketSize) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - set_perspective(Perspective::IS_SERVER);
|
| - connection_.SetMaxPacketLength(1000);
|
| -
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.version_flag = true;
|
| - header.path_id = kDefaultPathId;
|
| - header.packet_number = 1;
|
| -
|
| - QuicFrames frames;
|
| - QuicPaddingFrame padding;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - frames.push_back(QuicFrame(padding));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| - EXPECT_EQ(kMaxPacketSize, encrypted_length);
|
| -
|
| - framer_.set_version(version());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| -
|
| - EXPECT_EQ(kMaxPacketSize, connection_.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, IncreaseServerMaxPacketSizeWhileWriterLimited) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - const QuicByteCount lower_max_packet_size = 1240;
|
| - writer_->set_max_packet_size(lower_max_packet_size);
|
| - set_perspective(Perspective::IS_SERVER);
|
| - connection_.SetMaxPacketLength(1000);
|
| - EXPECT_EQ(1000u, connection_.max_packet_length());
|
| -
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.version_flag = true;
|
| - header.path_id = kDefaultPathId;
|
| - header.packet_number = 1;
|
| -
|
| - QuicFrames frames;
|
| - QuicPaddingFrame padding;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - frames.push_back(QuicFrame(padding));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| - EXPECT_EQ(kMaxPacketSize, encrypted_length);
|
| -
|
| - framer_.set_version(version());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| -
|
| - // Here, the limit imposed by the writer is lower than the size of the packet
|
| - // received, so the writer max packet size is used.
|
| - EXPECT_EQ(lower_max_packet_size, connection_.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LimitMaxPacketSizeByWriter) {
|
| - const QuicByteCount lower_max_packet_size = 1240;
|
| - writer_->set_max_packet_size(lower_max_packet_size);
|
| -
|
| - static_assert(lower_max_packet_size < kDefaultMaxPacketSize,
|
| - "Default maximum packet size is too low");
|
| - connection_.SetMaxPacketLength(kDefaultMaxPacketSize);
|
| -
|
| - EXPECT_EQ(lower_max_packet_size, connection_.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LimitMaxPacketSizeByWriterForNewConnection) {
|
| - const QuicConnectionId connection_id = 17;
|
| - const QuicByteCount lower_max_packet_size = 1240;
|
| - writer_->set_max_packet_size(lower_max_packet_size);
|
| - TestConnection connection(connection_id, kPeerAddress, helper_.get(),
|
| - alarm_factory_.get(), writer_.get(),
|
| - Perspective::IS_CLIENT, version());
|
| - EXPECT_EQ(Perspective::IS_CLIENT, connection.perspective());
|
| - EXPECT_EQ(lower_max_packet_size, connection.max_packet_length());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PacketsInOrder) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - EXPECT_EQ(1u, outgoing_ack()->largest_observed);
|
| - if (outgoing_ack()->missing) {
|
| - EXPECT_TRUE(outgoing_ack()->packets.Empty());
|
| - } else {
|
| - EXPECT_EQ(1u, outgoing_ack()->packets.NumIntervals());
|
| - }
|
| -
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - EXPECT_EQ(2u, outgoing_ack()->largest_observed);
|
| - if (outgoing_ack()->missing) {
|
| - EXPECT_TRUE(outgoing_ack()->packets.Empty());
|
| - } else {
|
| - EXPECT_EQ(1u, outgoing_ack()->packets.NumIntervals());
|
| - }
|
| -
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - if (outgoing_ack()->missing) {
|
| - EXPECT_TRUE(outgoing_ack()->packets.Empty());
|
| - } else {
|
| - EXPECT_EQ(1u, outgoing_ack()->packets.NumIntervals());
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PacketsOutOfOrder) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(2));
|
| - EXPECT_TRUE(IsMissing(1));
|
| -
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_FALSE(IsMissing(2));
|
| - EXPECT_TRUE(IsMissing(1));
|
| -
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_FALSE(IsMissing(2));
|
| - EXPECT_FALSE(IsMissing(1));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DuplicatePacket) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(2));
|
| - EXPECT_TRUE(IsMissing(1));
|
| -
|
| - // Send packet 3 again, but do not set the expectation that
|
| - // the visitor OnStreamFrame() will be called.
|
| - ProcessDataPacket(kDefaultPathId, 3, !kEntropyFlag);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(2));
|
| - EXPECT_TRUE(IsMissing(1));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PacketsOutOfOrderWithAdditionsAndLeastAwaiting) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(2));
|
| - EXPECT_TRUE(IsMissing(1));
|
| -
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - EXPECT_EQ(3u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(1));
|
| -
|
| - ProcessPacket(kDefaultPathId, 5);
|
| - EXPECT_EQ(5u, outgoing_ack()->largest_observed);
|
| - EXPECT_TRUE(IsMissing(1));
|
| - EXPECT_TRUE(IsMissing(4));
|
| -
|
| - // Pretend at this point the client has gotten acks for 2 and 3 and 1 is a
|
| - // packet the peer will not retransmit. It indicates this by sending 'least
|
| - // awaiting' is 4. The connection should then realize 1 will not be
|
| - // retransmitted, and will remove it from the missing list.
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(_, _, _, _));
|
| - ProcessAckPacket(6, &frame);
|
| -
|
| - // Force an ack to be sent.
|
| - SendAckPacketToPeer();
|
| - EXPECT_TRUE(IsMissing(4));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RejectPacketTooFarOut) {
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_INVALID_PACKET_HEADER, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - // Call ProcessDataPacket rather than ProcessPacket, as we should not get a
|
| - // packet call to the visitor.
|
| - ProcessDataPacket(kDefaultPathId, 6000, !kEntropyFlag);
|
| - EXPECT_FALSE(QuicConnectionPeer::GetConnectionClosePacket(&connection_) ==
|
| - nullptr);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RejectUnencryptedStreamData) {
|
| - // Process an unencrypted packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_UNENCRYPTED_STREAM_DATA, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_DFATAL(ProcessDataPacket(kDefaultPathId, 1, !kEntropyFlag), "");
|
| - EXPECT_FALSE(QuicConnectionPeer::GetConnectionClosePacket(&connection_) ==
|
| - nullptr);
|
| - const vector<QuicConnectionCloseFrame>& connection_close_frames =
|
| - writer_->connection_close_frames();
|
| - EXPECT_EQ(1u, connection_close_frames.size());
|
| - EXPECT_EQ(QUIC_UNENCRYPTED_STREAM_DATA,
|
| - connection_close_frames[0].error_code);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TruncatedAck) {
|
| - if (GetParam().version > QUIC_VERSION_33) {
|
| - return;
|
| - }
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - QuicPacketNumber num_packets = 256 * 2 + 1;
|
| - for (QuicPacketNumber i = 0; i < num_packets; ++i) {
|
| - SendStreamDataToPeer(3, "foo", i * 3, !kFin, nullptr);
|
| - }
|
| -
|
| - QuicAckFrame frame = InitAckFrame(num_packets);
|
| - // Create an ack with 256 nacks, none adjacent to one another.
|
| - for (QuicPacketNumber i = 1; i <= 256; ++i) {
|
| - NackPacket(i * 2, &frame);
|
| - }
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(peer_entropy_calculator_, EntropyHash(511))
|
| - .WillOnce(Return(static_cast<QuicPacketEntropyHash>(0)));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| -
|
| - // A truncated ack will not have the true largest observed.
|
| - EXPECT_GT(num_packets, manager_->GetLargestObserved(frame.path_id));
|
| -
|
| - AckPacket(192, &frame);
|
| -
|
| - // Removing one missing packet allows us to ack 192 and one more range, but
|
| - // 192 has already been declared lost, so it doesn't register as an ack.
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| - EXPECT_EQ(num_packets, manager_->GetLargestObserved(frame.path_id));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckReceiptCausesAckSendBadEntropy) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - // Delay sending, then queue up an ack.
|
| - QuicConnectionPeer::SendAck(&connection_);
|
| -
|
| - // Process an ack with a least unacked of the received ack.
|
| - // This causes an ack to be sent when TimeUntilSend returns 0.
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(testing::Return(QuicTime::Delta::Zero()));
|
| - // Skip a packet and then record an ack.
|
| - QuicAckFrame frame = InitAckFrame(0);
|
| - ProcessAckPacket(3, &frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, OutOfOrderReceiptCausesAckSend) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - // Should ack immediately since we have missing packets.
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| -
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - // Should ack immediately since we have missing packets.
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - // Should ack immediately, since this fills the last hole.
|
| - EXPECT_EQ(3u, writer_->packets_write_attempts());
|
| -
|
| - ProcessPacket(kDefaultPathId, 4);
|
| - // Should not cause an ack.
|
| - EXPECT_EQ(3u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, OutOfOrderAckReceiptCausesNoAck) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr);
|
| - SendStreamDataToPeer(1, "bar", 3, !kFin, nullptr);
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -
|
| - QuicAckFrame ack1 = InitAckFrame(1);
|
| - QuicAckFrame ack2 = InitAckFrame(2);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(2, &ack2);
|
| - // Should ack immediately since we have missing packets.
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -
|
| - ProcessAckPacket(1, &ack1);
|
| - // Should not ack an ack filling a missing packet.
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckReceiptCausesAckSend) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - QuicPacketNumber original;
|
| - QuicByteCount packet_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(
|
| - DoAll(SaveArg<2>(&original), SaveArg<3>(&packet_size), Return(true)));
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| - QuicAckFrame frame = InitAckFrame(original);
|
| - NackPacket(original, &frame);
|
| - // First nack triggers early retransmit.
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicPacketNumber retransmission;
|
| - EXPECT_CALL(*send_algorithm_,
|
| - OnPacketSent(_, _, _, packet_size - kQuicVersionSize, _))
|
| - .WillOnce(DoAll(SaveArg<2>(&retransmission), Return(true)));
|
| -
|
| - ProcessAckPacket(&frame);
|
| -
|
| - QuicAckFrame frame2 = InitAckFrame(retransmission);
|
| - NackPacket(original, &frame2);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - ProcessAckPacket(&frame2);
|
| -
|
| - // Now if the peer sends an ack which still reports the retransmitted packet
|
| - // as missing, that will bundle an ack with data after two acks in a row
|
| - // indicate the high water mark needs to be raised.
|
| - EXPECT_CALL(*send_algorithm_,
|
| - OnPacketSent(_, _, _, _, HAS_RETRANSMITTABLE_DATA));
|
| - connection_.SendStreamDataWithString(3, "foo", 3, !kFin, nullptr);
|
| - // No ack sent.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| -
|
| - // No more packet loss for the rest of the test.
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _)).Times(AnyNumber());
|
| - ProcessAckPacket(&frame2);
|
| - EXPECT_CALL(*send_algorithm_,
|
| - OnPacketSent(_, _, _, _, HAS_RETRANSMITTABLE_DATA));
|
| - connection_.SendStreamDataWithString(3, "foo", 3, !kFin, nullptr);
|
| - // Ack bundled.
|
| - EXPECT_EQ(3u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| -
|
| - // But an ack with no missing packets will not send an ack.
|
| - AckPacket(original, &frame2);
|
| - ProcessAckPacket(&frame2);
|
| - ProcessAckPacket(&frame2);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, 20AcksCausesAckSend) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr);
|
| -
|
| - QuicAlarm* ack_alarm = QuicConnectionPeer::GetAckAlarm(&connection_);
|
| - // But an ack with no missing packets will not send an ack.
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - for (int i = 0; i < 19; ++i) {
|
| - ProcessAckPacket(&frame);
|
| - EXPECT_FALSE(ack_alarm->IsSet());
|
| - }
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| - // The 20th ack packet will cause an ack to be sent.
|
| - ProcessAckPacket(&frame);
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LeastUnackedLower) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr);
|
| - SendStreamDataToPeer(1, "bar", 3, !kFin, nullptr);
|
| - SendStreamDataToPeer(1, "eep", 6, !kFin, nullptr);
|
| -
|
| - // Start out saying the least unacked is 2.
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 5);
|
| - QuicStopWaitingFrame frame = InitStopWaitingFrame(2);
|
| - ProcessStopWaitingPacket(&frame);
|
| -
|
| - // Change it to 1, but lower the packet number to fake out-of-order packets.
|
| - // This should be fine.
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 1);
|
| - // The scheduler will not process out of order acks, but all packet processing
|
| - // causes the connection to try to write.
|
| - EXPECT_CALL(visitor_, OnCanWrite());
|
| - QuicStopWaitingFrame frame2 = InitStopWaitingFrame(1);
|
| - ProcessStopWaitingPacket(&frame2);
|
| -
|
| - // Now claim it's one, but set the ordering so it was sent "after" the first
|
| - // one. This should cause a connection error.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 7);
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_INVALID_STOP_WAITING_DATA, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - QuicStopWaitingFrame frame3 = InitStopWaitingFrame(1);
|
| - ProcessStopWaitingPacket(&frame3);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TooManySentPackets) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - const int num_packets = kMaxTrackedPackets + 100;
|
| - for (int i = 0; i < num_packets; ++i) {
|
| - SendStreamDataToPeer(1, "foo", 3 * i, !kFin, nullptr);
|
| - }
|
| -
|
| - // Ack packet 1, which leaves more than the limit outstanding.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - if (GetParam().version <= QUIC_VERSION_33) {
|
| - EXPECT_CALL(visitor_,
|
| - OnConnectionClosed(QUIC_TOO_MANY_OUTSTANDING_SENT_PACKETS, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - // We're receive buffer limited, so the connection won't try to write more.
|
| - EXPECT_CALL(visitor_, OnCanWrite()).Times(0);
|
| - }
|
| -
|
| - // Nack the first packet and ack the rest, leaving a huge gap.
|
| - QuicAckFrame frame1 = InitAckFrame(num_packets);
|
| - NackPacket(1, &frame1);
|
| - ProcessAckPacket(&frame1);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TooManyReceivedPackets) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - if (GetParam().version <= QUIC_VERSION_33) {
|
| - EXPECT_CALL(visitor_,
|
| - OnConnectionClosed(QUIC_TOO_MANY_OUTSTANDING_RECEIVED_PACKETS,
|
| - _, ConnectionCloseSource::FROM_SELF));
|
| - }
|
| - // Miss 99 of every 100 packets for 5500 packets.
|
| - for (QuicPacketNumber i = 1; i < kMaxTrackedPackets + 500; i += 100) {
|
| - ProcessPacket(kDefaultPathId, i);
|
| - if (!connection_.connected()) {
|
| - break;
|
| - }
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LargestObservedLower) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr);
|
| - SendStreamDataToPeer(1, "bar", 3, !kFin, nullptr);
|
| - SendStreamDataToPeer(1, "eep", 6, !kFin, nullptr);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| -
|
| - // Start out saying the largest observed is 2.
|
| - QuicAckFrame frame1 = InitAckFrame(1);
|
| - QuicAckFrame frame2 = InitAckFrame(2);
|
| - ProcessAckPacket(&frame2);
|
| -
|
| - // Now change it to 1, and it should cause a connection error.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_INVALID_ACK_DATA, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(visitor_, OnCanWrite()).Times(0);
|
| - ProcessAckPacket(&frame1);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckUnsentData) {
|
| - // Ack a packet which has not been sent.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_INVALID_ACK_DATA, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - QuicAckFrame frame(MakeAckFrame(1));
|
| - EXPECT_CALL(visitor_, OnCanWrite()).Times(0);
|
| - ProcessAckPacket(&frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckAll) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| -
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 1);
|
| - QuicAckFrame frame1 = InitAckFrame(0);
|
| - ProcessAckPacket(&frame1);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BasicSending) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, &last_packet); // Packet 1
|
| - EXPECT_EQ(1u, last_packet);
|
| - SendAckPacketToPeer(); // Packet 2
|
| -
|
| - EXPECT_EQ(1u, least_unacked());
|
| -
|
| - SendAckPacketToPeer(); // Packet 3
|
| - EXPECT_EQ(1u, least_unacked());
|
| -
|
| - SendStreamDataToPeer(1, "bar", 3, !kFin, &last_packet); // Packet 4
|
| - EXPECT_EQ(4u, last_packet);
|
| - SendAckPacketToPeer(); // Packet 5
|
| - EXPECT_EQ(1u, least_unacked());
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| -
|
| - // Peer acks up to packet 3.
|
| - QuicAckFrame frame = InitAckFrame(3);
|
| - ProcessAckPacket(&frame);
|
| - SendAckPacketToPeer(); // Packet 6
|
| -
|
| - // As soon as we've acked one, we skip ack packets 2 and 3 and note lack of
|
| - // ack for 4.
|
| - EXPECT_EQ(4u, least_unacked());
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| -
|
| - // Peer acks up to packet 4, the last packet.
|
| - QuicAckFrame frame2 = InitAckFrame(6);
|
| - ProcessAckPacket(&frame2); // Acks don't instigate acks.
|
| -
|
| - // Verify that we did not send an ack.
|
| - EXPECT_EQ(6u, writer_->header().packet_number);
|
| -
|
| - // So the last ack has not changed.
|
| - EXPECT_EQ(4u, least_unacked());
|
| -
|
| - // If we force an ack, we shouldn't change our retransmit state.
|
| - SendAckPacketToPeer(); // Packet 7
|
| - EXPECT_EQ(7u, least_unacked());
|
| -
|
| - // But if we send more data it should.
|
| - SendStreamDataToPeer(1, "eep", 6, !kFin, &last_packet); // Packet 8
|
| - EXPECT_EQ(8u, last_packet);
|
| - SendAckPacketToPeer(); // Packet 9
|
| - EXPECT_EQ(7u, least_unacked());
|
| -}
|
| -
|
| -// QuicConnection should record the the packet sent-time prior to sending the
|
| -// packet.
|
| -TEST_P(QuicConnectionTest, RecordSentTimeBeforePacketSent) {
|
| - // We're using a MockClock for the tests, so we have complete control over the
|
| - // time.
|
| - // Our recorded timestamp for the last packet sent time will be passed in to
|
| - // the send_algorithm. Make sure that it is set to the correct value.
|
| - QuicTime actual_recorded_send_time = QuicTime::Zero();
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<0>(&actual_recorded_send_time), Return(true)));
|
| -
|
| - // First send without any pause and check the result.
|
| - QuicTime expected_recorded_send_time = clock_.Now();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(expected_recorded_send_time, actual_recorded_send_time)
|
| - << "Expected time = " << expected_recorded_send_time.ToDebuggingValue()
|
| - << ". Actual time = " << actual_recorded_send_time.ToDebuggingValue();
|
| -
|
| - // Now pause during the write, and check the results.
|
| - actual_recorded_send_time = QuicTime::Zero();
|
| - const QuicTime::Delta write_pause_time_delta =
|
| - QuicTime::Delta::FromMilliseconds(5000);
|
| - SetWritePauseTimeDelta(write_pause_time_delta);
|
| - expected_recorded_send_time = clock_.Now();
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<0>(&actual_recorded_send_time), Return(true)));
|
| - connection_.SendStreamDataWithString(2, "baz", 0, !kFin, nullptr);
|
| - EXPECT_EQ(expected_recorded_send_time, actual_recorded_send_time)
|
| - << "Expected time = " << expected_recorded_send_time.ToDebuggingValue()
|
| - << ". Actual time = " << actual_recorded_send_time.ToDebuggingValue();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePacking) {
|
| - // Send an ack and two stream frames in 1 packet by queueing them.
|
| - {
|
| - QuicConnection::ScopedPacketBundler bundler(&connection_,
|
| - QuicConnection::SEND_ACK);
|
| - connection_.SendStreamData3();
|
| - connection_.SendStreamData5();
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - }
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's an ack and two stream frames from
|
| - // two different streams.
|
| - EXPECT_EQ(4u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - ASSERT_EQ(2u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kClientDataStreamId1, writer_->stream_frames()[0]->stream_id);
|
| - EXPECT_EQ(kClientDataStreamId2, writer_->stream_frames()[1]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePackingNonCryptoThenCrypto) {
|
| - // Send an ack and two stream frames (one non-crypto, then one crypto) in 2
|
| - // packets by queueing them.
|
| - {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - QuicConnection::ScopedPacketBundler bundler(&connection_,
|
| - QuicConnection::SEND_ACK);
|
| - connection_.SendStreamData3();
|
| - connection_.SendCryptoStreamData();
|
| - }
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's the crypto stream frame.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - ASSERT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kCryptoStreamId, writer_->stream_frames()[0]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePackingCryptoThenNonCrypto) {
|
| - // Send an ack and two stream frames (one crypto, then one non-crypto) in 2
|
| - // packets by queueing them.
|
| - {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - QuicConnection::ScopedPacketBundler bundler(&connection_,
|
| - QuicConnection::SEND_ACK);
|
| - connection_.SendCryptoStreamData();
|
| - connection_.SendStreamData3();
|
| - }
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's the stream frame from stream 3.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - ASSERT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kClientDataStreamId1, writer_->stream_frames()[0]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePackingAckResponse) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - // Process a data packet to queue up a pending ack.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacket(kDefaultPathId, 1, kEntropyFlag);
|
| -
|
| - EXPECT_CALL(visitor_, OnCanWrite())
|
| - .WillOnce(DoAll(IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::SendStreamData3)),
|
| - IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::SendStreamData5))));
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| -
|
| - // Process an ack to cause the visitor's OnCanWrite to be invoked.
|
| - QuicAckFrame ack_one = InitAckFrame(0);
|
| - ProcessAckPacket(3, &ack_one);
|
| -
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's an ack and two stream frames from
|
| - // two different streams.
|
| - EXPECT_EQ(4u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - ASSERT_EQ(2u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kClientDataStreamId1, writer_->stream_frames()[0]->stream_id);
|
| - EXPECT_EQ(kClientDataStreamId2, writer_->stream_frames()[1]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePackingSendv) {
|
| - // Send data in 1 packet by writing multiple blocks in a single iovector
|
| - // using writev.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| -
|
| - char data[] = "ABCD";
|
| - struct iovec iov[2];
|
| - iov[0].iov_base = data;
|
| - iov[0].iov_len = 2;
|
| - iov[1].iov_base = data + 2;
|
| - iov[1].iov_len = 2;
|
| - connection_.SendStreamData(1, QuicIOVector(iov, 2, 4), 0, !kFin, nullptr);
|
| -
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure multiple iovector blocks have
|
| - // been packed into a single stream frame from one stream.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - QuicStreamFrame* frame = writer_->stream_frames()[0];
|
| - EXPECT_EQ(1u, frame->stream_id);
|
| - EXPECT_EQ("ABCD", StringPiece(frame->data_buffer, frame->data_length));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FramePackingSendvQueued) {
|
| - // Try to send two stream frames in 1 packet by using writev.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| -
|
| - BlockOnNextWrite();
|
| - char data[] = "ABCD";
|
| - struct iovec iov[2];
|
| - iov[0].iov_base = data;
|
| - iov[0].iov_len = 2;
|
| - iov[1].iov_base = data + 2;
|
| - iov[1].iov_len = 2;
|
| - connection_.SendStreamData(1, QuicIOVector(iov, 2, 4), 0, !kFin, nullptr);
|
| -
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| - EXPECT_TRUE(connection_.HasQueuedData());
|
| -
|
| - // Unblock the writes and actually send.
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| -
|
| - // Parse the last packet and ensure it's one stream frame from one stream.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_EQ(1u, writer_->stream_frames()[0]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendingZeroBytes) {
|
| - // Send a zero byte write with a fin using writev.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - QuicIOVector empty_iov(nullptr, 0, 0);
|
| - connection_.SendStreamData(kHeadersStreamId, empty_iov, 0, kFin, nullptr);
|
| -
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's one stream frame from one stream.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kHeadersStreamId, writer_->stream_frames()[0]->stream_id);
|
| - EXPECT_TRUE(writer_->stream_frames()[0]->fin);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LargeSendWithPendingAck) {
|
| - // Set the ack alarm by processing a ping frame.
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Processs a PING frame.
|
| - ProcessFramePacket(QuicFrame(QuicPingFrame()));
|
| - // Ensure that this has caused the ACK alarm to be set.
|
| - QuicAlarm* ack_alarm = QuicConnectionPeer::GetAckAlarm(&connection_);
|
| - EXPECT_TRUE(ack_alarm->IsSet());
|
| -
|
| - // Send data and ensure the ack is bundled.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(8);
|
| - size_t len = 10000;
|
| - std::unique_ptr<char[]> data_array(new char[len]);
|
| - memset(data_array.get(), '?', len);
|
| - struct iovec iov;
|
| - iov.iov_base = data_array.get();
|
| - iov.iov_len = len;
|
| - QuicIOVector iovector(&iov, 1, len);
|
| - QuicConsumedData consumed =
|
| - connection_.SendStreamData(kHeadersStreamId, iovector, 0, true, nullptr);
|
| - EXPECT_EQ(len, consumed.bytes_consumed);
|
| - EXPECT_TRUE(consumed.fin_consumed);
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -
|
| - // Parse the last packet and ensure it's one stream frame with a fin.
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kHeadersStreamId, writer_->stream_frames()[0]->stream_id);
|
| - EXPECT_TRUE(writer_->stream_frames()[0]->fin);
|
| - // Ensure the ack alarm was cancelled when the ack was sent.
|
| - EXPECT_FALSE(ack_alarm->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, OnCanWrite) {
|
| - // Visitor's OnCanWrite will send data, but will have more pending writes.
|
| - EXPECT_CALL(visitor_, OnCanWrite())
|
| - .WillOnce(DoAll(IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::SendStreamData3)),
|
| - IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::SendStreamData5))));
|
| - EXPECT_CALL(visitor_, WillingAndAbleToWrite()).WillOnce(Return(true));
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(testing::Return(QuicTime::Delta::Zero()));
|
| -
|
| - connection_.OnCanWrite();
|
| -
|
| - // Parse the last packet and ensure it's the two stream frames from
|
| - // two different streams.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_EQ(2u, writer_->stream_frames().size());
|
| - EXPECT_EQ(kClientDataStreamId1, writer_->stream_frames()[0]->stream_id);
|
| - EXPECT_EQ(kClientDataStreamId2, writer_->stream_frames()[1]->stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitOnNack) {
|
| - QuicPacketNumber last_packet;
|
| - QuicByteCount second_packet_size;
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, &last_packet); // Packet 1
|
| - second_packet_size =
|
| - SendStreamDataToPeer(3, "foos", 3, !kFin, &last_packet); // Packet 2
|
| - SendStreamDataToPeer(3, "fooos", 7, !kFin, &last_packet); // Packet 3
|
| -
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Don't lose a packet on an ack, and nothing is retransmitted.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame ack_one = InitAckFrame(1);
|
| - ProcessAckPacket(&ack_one);
|
| -
|
| - // Lose a packet and ensure it triggers retransmission.
|
| - QuicAckFrame nack_two = InitAckFrame(3);
|
| - NackPacket(2, &nack_two);
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(2, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_,
|
| - OnPacketSent(_, _, _, second_packet_size - kQuicVersionSize, _))
|
| - .Times(1);
|
| - ProcessAckPacket(&nack_two);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DoNotSendQueuedPacketForResetStream) {
|
| - // Block the connection to queue the packet.
|
| - BlockOnNextWrite();
|
| -
|
| - QuicStreamId stream_id = 2;
|
| - connection_.SendStreamDataWithString(stream_id, "foo", 0, !kFin, nullptr);
|
| -
|
| - // Now that there is a queued packet, reset the stream.
|
| - connection_.SendRstStream(stream_id, QUIC_ERROR_PROCESSING_STREAM, 14);
|
| -
|
| - // Unblock the connection and verify that only the RST_STREAM is sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->rst_stream_frames().size());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendQueuedPacketForQuicRstStreamNoError) {
|
| - // Block the connection to queue the packet.
|
| - BlockOnNextWrite();
|
| -
|
| - QuicStreamId stream_id = 2;
|
| - connection_.SendStreamDataWithString(stream_id, "foo", 0, !kFin, nullptr);
|
| -
|
| - // Now that there is a queued packet, reset the stream.
|
| - connection_.SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 14);
|
| -
|
| - // Unblock the connection and verify that the RST_STREAM is sent and the data
|
| - // packet is sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AtLeast(2));
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->rst_stream_frames().size());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DoNotRetransmitForResetStreamOnNack) {
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "foos", 3, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "fooos", 7, !kFin, &last_packet);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendRstStream(stream_id, QUIC_ERROR_PROCESSING_STREAM, 14);
|
| -
|
| - // Lose a packet and ensure it does not trigger retransmission.
|
| - QuicAckFrame nack_two = InitAckFrame(last_packet);
|
| - NackPacket(last_packet - 1, &nack_two);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - ProcessAckPacket(&nack_two);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitForQuicRstStreamNoErrorOnNack) {
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "foos", 3, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "fooos", 7, !kFin, &last_packet);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 14);
|
| -
|
| - // Lose a packet, ensure it triggers retransmission.
|
| - QuicAckFrame nack_two = InitAckFrame(last_packet);
|
| - NackPacket(last_packet - 1, &nack_two);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(last_packet - 1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AtLeast(1));
|
| - ProcessAckPacket(&nack_two);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DoNotRetransmitForResetStreamOnRTO) {
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendRstStream(stream_id, QUIC_ERROR_PROCESSING_STREAM, 14);
|
| -
|
| - // Fire the RTO and verify that the RST_STREAM is resent, not stream data.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->rst_stream_frames().size());
|
| - EXPECT_EQ(stream_id, writer_->rst_stream_frames().front().stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitForQuicRstStreamNoErrorOnRTO) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 14);
|
| -
|
| - // Fire the RTO and verify that the RST_STREAM is resent, the stream data
|
| - // is sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AtLeast(2));
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - ASSERT_EQ(1u, writer_->rst_stream_frames().size());
|
| - EXPECT_EQ(stream_id, writer_->rst_stream_frames().front().stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DoNotSendPendingRetransmissionForResetStream) {
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "foos", 3, !kFin, &last_packet);
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(stream_id, "fooos", 7, !kFin, nullptr);
|
| -
|
| - // Lose a packet which will trigger a pending retransmission.
|
| - QuicAckFrame ack = InitAckFrame(last_packet);
|
| - NackPacket(last_packet - 1, &ack);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - ProcessAckPacket(&ack);
|
| -
|
| - connection_.SendRstStream(stream_id, QUIC_ERROR_PROCESSING_STREAM, 14);
|
| -
|
| - // Unblock the connection and verify that the RST_STREAM is sent but not the
|
| - // second data packet nor a retransmit.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->rst_stream_frames().size());
|
| - EXPECT_EQ(stream_id, writer_->rst_stream_frames().front().stream_id);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendPendingRetransmissionForQuicRstStreamNoError) {
|
| - QuicStreamId stream_id = 2;
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(stream_id, "foo", 0, !kFin, &last_packet);
|
| - SendStreamDataToPeer(stream_id, "foos", 3, !kFin, &last_packet);
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(stream_id, "fooos", 7, !kFin, nullptr);
|
| -
|
| - // Lose a packet which will trigger a pending retransmission.
|
| - QuicAckFrame ack = InitAckFrame(last_packet);
|
| - NackPacket(last_packet - 1, &ack);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(last_packet - 1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - ProcessAckPacket(&ack);
|
| -
|
| - connection_.SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 14);
|
| -
|
| - // Unblock the connection and verify that the RST_STREAM is sent and the
|
| - // second data packet or a retransmit is sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AtLeast(2));
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(0u, writer_->rst_stream_frames().size());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitAckedPacket) {
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, &last_packet); // Packet 1
|
| - SendStreamDataToPeer(1, "foos", 3, !kFin, &last_packet); // Packet 2
|
| - SendStreamDataToPeer(1, "fooos", 7, !kFin, &last_packet); // Packet 3
|
| -
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Instigate a loss with an ack.
|
| - QuicAckFrame nack_two = InitAckFrame(3);
|
| - NackPacket(2, &nack_two);
|
| - // The first nack should trigger a fast retransmission, but we'll be
|
| - // write blocked, so the packet will be queued.
|
| - BlockOnNextWrite();
|
| -
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(2, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&nack_two);
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| -
|
| - // Now, ack the previous transmission.
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - QuicAckFrame ack_all = InitAckFrame(3);
|
| - ProcessAckPacket(&ack_all);
|
| -
|
| - // Unblock the socket and attempt to send the queued packets. We will always
|
| - // send the retransmission.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 4, _, _)).Times(1);
|
| -
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| -
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - // We do not store retransmittable frames of this retransmission.
|
| - EXPECT_FALSE(QuicConnectionPeer::HasRetransmittableFrames(&connection_,
|
| - kDefaultPathId, 4));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitNackedLargestObserved) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - QuicPacketNumber largest_observed;
|
| - QuicByteCount packet_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<2>(&largest_observed), SaveArg<3>(&packet_size),
|
| - Return(true)));
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| -
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - NackPacket(largest_observed, &frame);
|
| - // The first nack should retransmit the largest observed packet.
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_,
|
| - OnPacketSent(_, _, _, packet_size - kQuicVersionSize, _));
|
| - ProcessAckPacket(&frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, QueueAfterTwoRTOs) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - for (int i = 0; i < 10; ++i) {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendStreamDataWithString(3, "foo", i * 3, !kFin, nullptr);
|
| - }
|
| -
|
| - // Block the writer and ensure they're queued.
|
| - BlockOnNextWrite();
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - // Only one packet should be retransmitted.
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.HasQueuedData());
|
| -
|
| - // Unblock the writer.
|
| - writer_->SetWritable();
|
| - clock_.AdvanceTime(QuicTime::Delta::FromMicroseconds(
|
| - 2 * DefaultRetransmissionTime().ToMicroseconds()));
|
| - // Retransmit already retransmitted packets event though the packet number
|
| - // greater than the largest observed.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - connection_.OnCanWrite();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, WriteBlockedBufferedThenSent) {
|
| - BlockOnNextWrite();
|
| - writer_->set_is_write_blocked_data_buffered(true);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, WriteBlockedThenSent) {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_FALSE(connection_.GetRetransmissionAlarm()->IsSet());
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| -
|
| - // The second packet should also be queued, in order to ensure packets are
|
| - // never sent out of order.
|
| - writer_->SetWritable();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(2u, connection_.NumQueuedPackets());
|
| -
|
| - // Now both are sent in order when we unblock.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - connection_.OnCanWrite();
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitWriteBlockedAckedOriginalThenSent) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -
|
| - BlockOnNextWrite();
|
| - writer_->set_is_write_blocked_data_buffered(true);
|
| - // Simulate the retransmission alarm firing.
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // Ack the sent packet before the callback returns, which happens in
|
| - // rare circumstances with write blocked sockets.
|
| - QuicAckFrame ack = InitAckFrame(1);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&ack);
|
| -
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - // There is now a pending packet, but with no retransmittable frames.
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| - EXPECT_FALSE(QuicConnectionPeer::HasRetransmittableFrames(&connection_,
|
| - ack.path_id, 2));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AlarmsWhenWriteBlocked) {
|
| - // Block the connection.
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| -
|
| - // Set the send and resumption alarms. Fire the alarms and ensure they don't
|
| - // attempt to write.
|
| - connection_.GetResumeWritesAlarm()->Set(clock_.ApproximateNow());
|
| - connection_.GetSendAlarm()->Set(clock_.ApproximateNow());
|
| - connection_.GetResumeWritesAlarm()->Fire();
|
| - connection_.GetSendAlarm()->Fire();
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NoLimitPacketsPerNack) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - int offset = 0;
|
| - // Send packets 1 to 15.
|
| - for (int i = 0; i < 15; ++i) {
|
| - SendStreamDataToPeer(1, "foo", offset, !kFin, nullptr);
|
| - offset += 3;
|
| - }
|
| -
|
| - // Ack 15, nack 1-14.
|
| -
|
| - QuicAckFrame nack = InitAckFrame(15);
|
| - for (int i = 1; i < 15; ++i) {
|
| - NackPacket(i, &nack);
|
| - }
|
| -
|
| - // 14 packets have been NACK'd and lost.
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - for (int i = 1; i < 15; ++i) {
|
| - lost_packets.push_back(std::make_pair(i, kMaxPacketSize));
|
| - }
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(14);
|
| - ProcessAckPacket(&nack);
|
| -}
|
| -
|
| -// Test sending multiple acks from the connection to the session.
|
| -TEST_P(QuicConnectionTest, MultipleAcks) {
|
| - QuicPacketNumber last_packet;
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, &last_packet); // Packet 1
|
| - EXPECT_EQ(1u, last_packet);
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, &last_packet); // Packet 2
|
| - EXPECT_EQ(2u, last_packet);
|
| - SendAckPacketToPeer(); // Packet 3
|
| - SendStreamDataToPeer(5, "foo", 0, !kFin, &last_packet); // Packet 4
|
| - EXPECT_EQ(4u, last_packet);
|
| - SendStreamDataToPeer(1, "foo", 3, !kFin, &last_packet); // Packet 5
|
| - EXPECT_EQ(5u, last_packet);
|
| - SendStreamDataToPeer(3, "foo", 3, !kFin, &last_packet); // Packet 6
|
| - EXPECT_EQ(6u, last_packet);
|
| -
|
| - // Client will ack packets 1, 2, [!3], 4, 5.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame frame1 = InitAckFrame(5);
|
| - NackPacket(3, &frame1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessAckPacket(&frame1);
|
| -
|
| - // Now the client implicitly acks 3, and explicitly acks 6.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame frame2 = InitAckFrame(6);
|
| - ProcessAckPacket(&frame2);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DontLatchUnackedPacket) {
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr); // Packet 1;
|
| - // From now on, we send acks, so the send algorithm won't mark them pending.
|
| - ON_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillByDefault(Return(false));
|
| - SendAckPacketToPeer(); // Packet 2
|
| -
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - ProcessAckPacket(&frame);
|
| -
|
| - // Verify that our internal state has least-unacked as 2, because we're still
|
| - // waiting for a potential ack for 2.
|
| -
|
| - EXPECT_EQ(2u, stop_waiting()->least_unacked);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - frame = InitAckFrame(2);
|
| - ProcessAckPacket(&frame);
|
| - EXPECT_EQ(3u, stop_waiting()->least_unacked);
|
| -
|
| - // When we send an ack, we make sure our least-unacked makes sense. In this
|
| - // case since we're not waiting on an ack for 2 and all packets are acked, we
|
| - // set it to 3.
|
| - SendAckPacketToPeer(); // Packet 3
|
| - // Least_unacked remains at 3 until another ack is received.
|
| - EXPECT_EQ(3u, stop_waiting()->least_unacked);
|
| - // Check that the outgoing ack had its packet number as least_unacked.
|
| - EXPECT_EQ(3u, least_unacked());
|
| -
|
| - // Ack the ack, which updates the rtt and raises the least unacked.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - frame = InitAckFrame(3);
|
| - ProcessAckPacket(&frame);
|
| -
|
| - ON_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillByDefault(Return(true));
|
| - SendStreamDataToPeer(1, "bar", 3, false, nullptr); // Packet 4
|
| - EXPECT_EQ(4u, stop_waiting()->least_unacked);
|
| - ON_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillByDefault(Return(false));
|
| - SendAckPacketToPeer(); // Packet 5
|
| - EXPECT_EQ(4u, least_unacked());
|
| -
|
| - // Send two data packets at the end, and ensure if the last one is acked,
|
| - // the least unacked is raised above the ack packets.
|
| - ON_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillByDefault(Return(true));
|
| - SendStreamDataToPeer(1, "bar", 6, false, nullptr); // Packet 6
|
| - SendStreamDataToPeer(1, "bar", 9, false, nullptr); // Packet 7
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - frame = InitAckFrame(7);
|
| - NackPacket(5, &frame);
|
| - NackPacket(6, &frame);
|
| - ProcessAckPacket(&frame);
|
| -
|
| - EXPECT_EQ(6u, stop_waiting()->least_unacked);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TLP) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 1);
|
| -
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| - QuicTime retransmission_time =
|
| - connection_.GetRetransmissionAlarm()->deadline();
|
| - EXPECT_NE(QuicTime::Zero(), retransmission_time);
|
| -
|
| - EXPECT_EQ(1u, writer_->header().packet_number);
|
| - // Simulate the retransmission alarm firing and sending a tlp,
|
| - // so send algorithm's OnRetransmissionTimeout is not called.
|
| - clock_.AdvanceTime(retransmission_time - clock_.Now());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 2u, _, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_EQ(2u, writer_->header().packet_number);
|
| - // We do not raise the high water mark yet.
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RTO) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - QuicTime default_retransmission_time =
|
| - clock_.ApproximateNow() + DefaultRetransmissionTime();
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| -
|
| - EXPECT_EQ(1u, writer_->header().packet_number);
|
| - EXPECT_EQ(default_retransmission_time,
|
| - connection_.GetRetransmissionAlarm()->deadline());
|
| - // Simulate the retransmission alarm firing.
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 2u, _, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_EQ(2u, writer_->header().packet_number);
|
| - // We do not raise the high water mark yet.
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RTOWithSameEncryptionLevel) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - QuicTime default_retransmission_time =
|
| - clock_.ApproximateNow() + DefaultRetransmissionTime();
|
| - use_tagging_decrypter();
|
| -
|
| - // A TaggingEncrypter puts kTagSize copies of the given byte (0x01 here) at
|
| - // the end of the packet. We can test this to check which encrypter was used.
|
| - connection_.SetEncrypter(ENCRYPTION_NONE, new TaggingEncrypter(0x01));
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(0x01010101u, writer_->final_bytes_of_last_packet());
|
| -
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -
|
| - EXPECT_EQ(default_retransmission_time,
|
| - connection_.GetRetransmissionAlarm()->deadline());
|
| - {
|
| - InSequence s;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 3, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 4, _, _));
|
| - }
|
| -
|
| - // Simulate the retransmission alarm firing.
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // Packet should have been sent with ENCRYPTION_NONE.
|
| - EXPECT_EQ(0x01010101u, writer_->final_bytes_of_previous_packet());
|
| -
|
| - // Packet should have been sent with ENCRYPTION_INITIAL.
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendHandshakeMessages) {
|
| - use_tagging_decrypter();
|
| - // A TaggingEncrypter puts kTagSize copies of the given byte (0x01 here) at
|
| - // the end of the packet. We can test this to check which encrypter was used.
|
| - connection_.SetEncrypter(ENCRYPTION_NONE, new TaggingEncrypter(0x01));
|
| -
|
| - // Attempt to send a handshake message and have the socket block.
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(testing::Return(QuicTime::Delta::Zero()));
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - // The packet should be serialized, but not queued.
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| -
|
| - // Switch to the new encrypter.
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| -
|
| - // Now become writeable and flush the packets.
|
| - writer_->SetWritable();
|
| - EXPECT_CALL(visitor_, OnCanWrite());
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| -
|
| - // Verify that the handshake packet went out at the null encryption.
|
| - EXPECT_EQ(0x01010101u, writer_->final_bytes_of_last_packet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest,
|
| - DropRetransmitsForNullEncryptedPacketAfterForwardSecure) {
|
| - use_tagging_decrypter();
|
| - connection_.SetEncrypter(ENCRYPTION_NONE, new TaggingEncrypter(0x01));
|
| - QuicPacketNumber packet_number;
|
| - SendStreamDataToPeer(3, "foo", 0, !kFin, &packet_number);
|
| -
|
| - // Simulate the retransmission alarm firing and the socket blocking.
|
| - BlockOnNextWrite();
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // Go forward secure.
|
| - connection_.SetEncrypter(ENCRYPTION_FORWARD_SECURE,
|
| - new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_FORWARD_SECURE);
|
| - connection_.NeuterUnencryptedPackets();
|
| -
|
| - EXPECT_EQ(QuicTime::Zero(), connection_.GetRetransmissionAlarm()->deadline());
|
| - // Unblock the socket and ensure that no packets are sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, RetransmitPacketsWithInitialEncryption) {
|
| - use_tagging_decrypter();
|
| - connection_.SetEncrypter(ENCRYPTION_NONE, new TaggingEncrypter(0x01));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_NONE);
|
| -
|
| - SendStreamDataToPeer(1, "foo", 0, !kFin, nullptr);
|
| -
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| -
|
| - SendStreamDataToPeer(2, "bar", 0, !kFin, nullptr);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| -
|
| - connection_.RetransmitUnackedPackets(ALL_INITIAL_RETRANSMISSION);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DelayForwardSecureEncryptionUntilClientIsReady) {
|
| - // A TaggingEncrypter puts kTagSize copies of the given byte (0x02 here) at
|
| - // the end of the packet. We can test this to check which encrypter was used.
|
| - use_tagging_decrypter();
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| - SendAckPacketToPeer();
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -
|
| - // Set a forward-secure encrypter but do not make it the default, and verify
|
| - // that it is not yet used.
|
| - connection_.SetEncrypter(ENCRYPTION_FORWARD_SECURE,
|
| - new TaggingEncrypter(0x03));
|
| - SendAckPacketToPeer();
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -
|
| - // Now simulate receipt of a forward-secure packet and verify that the
|
| - // forward-secure encrypter is now used.
|
| - connection_.OnDecryptedPacket(ENCRYPTION_FORWARD_SECURE);
|
| - SendAckPacketToPeer();
|
| - EXPECT_EQ(0x03030303u, writer_->final_bytes_of_last_packet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DelayForwardSecureEncryptionUntilManyPacketSent) {
|
| - // Set a congestion window of 10 packets.
|
| - QuicPacketCount congestion_window = 10;
|
| - EXPECT_CALL(*send_algorithm_, GetCongestionWindow())
|
| - .WillRepeatedly(Return(congestion_window * kDefaultMaxPacketSize));
|
| -
|
| - // A TaggingEncrypter puts kTagSize copies of the given byte (0x02 here) at
|
| - // the end of the packet. We can test this to check which encrypter was used.
|
| - use_tagging_decrypter();
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| - SendAckPacketToPeer();
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -
|
| - // Set a forward-secure encrypter but do not make it the default, and
|
| - // verify that it is not yet used.
|
| - connection_.SetEncrypter(ENCRYPTION_FORWARD_SECURE,
|
| - new TaggingEncrypter(0x03));
|
| - SendAckPacketToPeer();
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| -
|
| - // Now send a packet "Far enough" after the encrypter was set and verify that
|
| - // the forward-secure encrypter is now used.
|
| - for (uint64_t i = 0; i < 3 * congestion_window - 1; ++i) {
|
| - EXPECT_EQ(0x02020202u, writer_->final_bytes_of_last_packet());
|
| - SendAckPacketToPeer();
|
| - }
|
| - EXPECT_EQ(0x03030303u, writer_->final_bytes_of_last_packet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BufferNonDecryptablePackets) {
|
| - // SetFromConfig is always called after construction from InitializeSession.
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - use_tagging_decrypter();
|
| -
|
| - const uint8_t tag = 0x07;
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| -
|
| - // Process an encrypted packet which can not yet be decrypted which should
|
| - // result in the packet being buffered.
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -
|
| - // Transition to the new encryption state and process another encrypted packet
|
| - // which should result in the original packet being processed.
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(2);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 2, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -
|
| - // Finally, process a third packet and note that we do not reprocess the
|
| - // buffered packet.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 3, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, Buffer100NonDecryptablePackets) {
|
| - // SetFromConfig is always called after construction from InitializeSession.
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - config.set_max_undecryptable_packets(100);
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - use_tagging_decrypter();
|
| -
|
| - const uint8_t tag = 0x07;
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| -
|
| - // Process an encrypted packet which can not yet be decrypted which should
|
| - // result in the packet being buffered.
|
| - for (QuicPacketNumber i = 1; i <= 100; ++i) {
|
| - ProcessDataPacketAtLevel(kDefaultPathId, i, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| -
|
| - // Transition to the new encryption state and process another encrypted packet
|
| - // which should result in the original packets being processed.
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
|
| - connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(101);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 101, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -
|
| - // Finally, process a third packet and note that we do not reprocess the
|
| - // buffered packet.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 102, kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TestRetransmitOrder) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - QuicByteCount first_packet_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&first_packet_size), Return(true)));
|
| -
|
| - connection_.SendStreamDataWithString(3, "first_packet", 0, !kFin, nullptr);
|
| - QuicByteCount second_packet_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&second_packet_size), Return(true)));
|
| - connection_.SendStreamDataWithString(3, "second_packet", 12, !kFin, nullptr);
|
| - EXPECT_NE(first_packet_size, second_packet_size);
|
| - // Advance the clock by huge time to make sure packets will be retransmitted.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(10));
|
| - {
|
| - InSequence s;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, first_packet_size, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, second_packet_size, _));
|
| - }
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // Advance again and expect the packets to be sent again in the same order.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(20));
|
| - {
|
| - InSequence s;
|
| - EXPECT_CALL(visitor_, OnPathDegrading());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, first_packet_size, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, second_packet_size, _));
|
| - }
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SetRTOAfterWritingToSocket) {
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - // Make sure that RTO is not started when the packet is queued.
|
| - EXPECT_FALSE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -
|
| - // Test that RTO is started once we write to the socket.
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_TRUE(connection_.GetRetransmissionAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DelayRTOWithAckReceipt) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - connection_.SendStreamDataWithString(2, "foo", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(3, "bar", 0, !kFin, nullptr);
|
| - QuicAlarm* retransmission_alarm = connection_.GetRetransmissionAlarm();
|
| - EXPECT_TRUE(retransmission_alarm->IsSet());
|
| - EXPECT_EQ(clock_.Now() + DefaultRetransmissionTime(),
|
| - retransmission_alarm->deadline());
|
| -
|
| - // Advance the time right before the RTO, then receive an ack for the first
|
| - // packet to delay the RTO.
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame ack = InitAckFrame(1);
|
| - ProcessAckPacket(&ack);
|
| - EXPECT_TRUE(retransmission_alarm->IsSet());
|
| - EXPECT_GT(retransmission_alarm->deadline(), clock_.Now());
|
| -
|
| - // Move forward past the original RTO and ensure the RTO is still pending.
|
| - clock_.AdvanceTime(2 * DefaultRetransmissionTime());
|
| -
|
| - // Ensure the second packet gets retransmitted when it finally fires.
|
| - EXPECT_TRUE(retransmission_alarm->IsSet());
|
| - EXPECT_LT(retransmission_alarm->deadline(), clock_.ApproximateNow());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - // Manually cancel the alarm to simulate a real test.
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // The new retransmitted packet number should set the RTO to a larger value
|
| - // than previously.
|
| - EXPECT_TRUE(retransmission_alarm->IsSet());
|
| - QuicTime next_rto_time = retransmission_alarm->deadline();
|
| - QuicTime expected_rto_time =
|
| - connection_.sent_packet_manager().GetRetransmissionTime();
|
| - EXPECT_EQ(next_rto_time, expected_rto_time);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TestQueued) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| -
|
| - // Unblock the writes and actually send.
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, InitialTimeout) {
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AnyNumber());
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| -
|
| - // SetFromConfig sets the initial timeouts before negotiation.
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - connection_.SetFromConfig(config);
|
| - // Subtract a second from the idle timeout on the client side.
|
| - QuicTime default_timeout =
|
| - clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs - 1);
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_NETWORK_IDLE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - // Simulate the timeout alarm firing.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs - 1));
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| -
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetPingAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetResumeWritesAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetRetransmissionAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetSendAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, HandshakeTimeout) {
|
| - // Use a shorter handshake timeout than idle timeout for this test.
|
| - const QuicTime::Delta timeout = QuicTime::Delta::FromSeconds(5);
|
| - connection_.SetNetworkTimeouts(timeout, timeout);
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AnyNumber());
|
| -
|
| - QuicTime handshake_timeout =
|
| - clock_.ApproximateNow() + timeout - QuicTime::Delta::FromSeconds(1);
|
| - EXPECT_EQ(handshake_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - // Send and ack new data 3 seconds later to lengthen the idle timeout.
|
| - SendStreamDataToPeer(kHeadersStreamId, "GET /", 0, kFin, nullptr);
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(3));
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| -
|
| - // Fire early to verify it wouldn't timeout yet.
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - clock_.AdvanceTime(timeout - QuicTime::Delta::FromSeconds(2));
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_HANDSHAKE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - // Simulate the timeout alarm firing.
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| -
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetPingAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetResumeWritesAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetRetransmissionAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.GetSendAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PingAfterSend) {
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(visitor_, HasOpenDynamicStreams()).WillRepeatedly(Return(true));
|
| - EXPECT_FALSE(connection_.GetPingAlarm()->IsSet());
|
| -
|
| - // Advance to 5ms, and send a packet to the peer, which will set
|
| - // the ping alarm.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(5));
|
| - EXPECT_FALSE(connection_.GetRetransmissionAlarm()->IsSet());
|
| - SendStreamDataToPeer(kHeadersStreamId, "GET /", 0, kFin, nullptr);
|
| - EXPECT_TRUE(connection_.GetPingAlarm()->IsSet());
|
| - EXPECT_EQ(clock_.ApproximateNow() + QuicTime::Delta::FromSeconds(15),
|
| - connection_.GetPingAlarm()->deadline());
|
| -
|
| - // Now recevie and ACK of the previous packet, which will move the
|
| - // ping alarm forward.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(5));
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| - EXPECT_TRUE(connection_.GetPingAlarm()->IsSet());
|
| - // The ping timer is set slightly less than 15 seconds in the future, because
|
| - // of the 1s ping timer alarm granularity.
|
| - EXPECT_EQ(clock_.ApproximateNow() + QuicTime::Delta::FromSeconds(15) -
|
| - QuicTime::Delta::FromMilliseconds(5),
|
| - connection_.GetPingAlarm()->deadline());
|
| -
|
| - writer_->Reset();
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(15));
|
| - connection_.GetPingAlarm()->Fire();
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - ASSERT_EQ(1u, writer_->ping_frames().size());
|
| - writer_->Reset();
|
| -
|
| - EXPECT_CALL(visitor_, HasOpenDynamicStreams()).WillRepeatedly(Return(false));
|
| - clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(5));
|
| - SendAckPacketToPeer();
|
| -
|
| - EXPECT_FALSE(connection_.GetPingAlarm()->IsSet());
|
| -}
|
| -
|
| -// Tests whether sending an MTU discovery packet to peer successfully causes the
|
| -// maximum packet size to increase.
|
| -TEST_P(QuicConnectionTest, SendMtuDiscoveryPacket) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - // Send an MTU probe.
|
| - const size_t new_mtu = kDefaultMaxPacketSize + 100;
|
| - QuicByteCount mtu_probe_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&mtu_probe_size), Return(true)));
|
| - connection_.SendMtuDiscoveryPacket(new_mtu);
|
| - EXPECT_EQ(new_mtu, mtu_probe_size);
|
| - EXPECT_EQ(1u, creator_->packet_number());
|
| -
|
| - // Send more than MTU worth of data. No acknowledgement was received so far,
|
| - // so the MTU should be at its old value.
|
| - const string data(kDefaultMaxPacketSize + 1, '.');
|
| - QuicByteCount size_before_mtu_change;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&size_before_mtu_change), Return(true)))
|
| - .WillOnce(Return(true));
|
| - connection_.SendStreamDataWithString(3, data, 0, kFin, nullptr);
|
| - EXPECT_EQ(3u, creator_->packet_number());
|
| - EXPECT_EQ(kDefaultMaxPacketSize, size_before_mtu_change);
|
| -
|
| - // Acknowledge all packets so far.
|
| - QuicAckFrame probe_ack = InitAckFrame(3);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&probe_ack);
|
| - EXPECT_EQ(new_mtu, connection_.max_packet_length());
|
| -
|
| - // Send the same data again. Check that it fits into a single packet now.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendStreamDataWithString(3, data, 0, kFin, nullptr);
|
| - EXPECT_EQ(4u, creator_->packet_number());
|
| -}
|
| -
|
| -// Tests whether MTU discovery does not happen when it is not explicitly enabled
|
| -// by the connection options.
|
| -TEST_P(QuicConnectionTest, MtuDiscoveryDisabled) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - const QuicPacketCount number_of_packets = kPacketsBetweenMtuProbesBase * 2;
|
| - for (QuicPacketCount i = 0; i < number_of_packets; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - EXPECT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - EXPECT_EQ(0u, connection_.mtu_probe_count());
|
| - }
|
| -}
|
| -
|
| -// Tests whether MTU discovery works when the probe gets acknowledged on the
|
| -// first try.
|
| -TEST_P(QuicConnectionTest, MtuDiscoveryEnabled) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - connection_.EnablePathMtuDiscovery(send_algorithm_);
|
| -
|
| - // Send enough packets so that the next one triggers path MTU discovery.
|
| - for (QuicPacketCount i = 0; i < kPacketsBetweenMtuProbesBase - 1; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - ASSERT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - }
|
| -
|
| - // Trigger the probe.
|
| - SendStreamDataToPeer(3, "!", kPacketsBetweenMtuProbesBase,
|
| - /*fin=*/false, nullptr);
|
| - ASSERT_TRUE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - QuicByteCount probe_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&probe_size), Return(true)));
|
| - connection_.GetMtuDiscoveryAlarm()->Fire();
|
| - EXPECT_EQ(kMtuDiscoveryTargetPacketSizeHigh, probe_size);
|
| -
|
| - const QuicPacketCount probe_packet_number = kPacketsBetweenMtuProbesBase + 1;
|
| - ASSERT_EQ(probe_packet_number, creator_->packet_number());
|
| -
|
| - // Acknowledge all packets sent so far.
|
| - QuicAckFrame probe_ack = InitAckFrame(probe_packet_number);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&probe_ack);
|
| - EXPECT_EQ(kMtuDiscoveryTargetPacketSizeHigh, connection_.max_packet_length());
|
| - EXPECT_EQ(0u, connection_.GetBytesInFlight(kDefaultPathId));
|
| -
|
| - // Send more packets, and ensure that none of them sets the alarm.
|
| - for (QuicPacketCount i = 0; i < 4 * kPacketsBetweenMtuProbesBase; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - ASSERT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - }
|
| -
|
| - EXPECT_EQ(1u, connection_.mtu_probe_count());
|
| -}
|
| -
|
| -// Tests whether MTU discovery works correctly when the probes never get
|
| -// acknowledged.
|
| -TEST_P(QuicConnectionTest, MtuDiscoveryFailed) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - connection_.EnablePathMtuDiscovery(send_algorithm_);
|
| -
|
| - const QuicTime::Delta rtt = QuicTime::Delta::FromMilliseconds(100);
|
| -
|
| - EXPECT_EQ(kPacketsBetweenMtuProbesBase,
|
| - QuicConnectionPeer::GetPacketsBetweenMtuProbes(&connection_));
|
| - // Lower the number of probes between packets in order to make the test go
|
| - // much faster.
|
| - const QuicPacketCount packets_between_probes_base = 10;
|
| - QuicConnectionPeer::SetPacketsBetweenMtuProbes(&connection_,
|
| - packets_between_probes_base);
|
| - QuicConnectionPeer::SetNextMtuProbeAt(&connection_,
|
| - packets_between_probes_base);
|
| -
|
| - // This tests sends more packets than strictly necessary to make sure that if
|
| - // the connection was to send more discovery packets than needed, those would
|
| - // get caught as well.
|
| - const QuicPacketCount number_of_packets =
|
| - packets_between_probes_base * (1 << (kMtuDiscoveryAttempts + 1));
|
| - vector<QuicPacketNumber> mtu_discovery_packets;
|
| - // Called by the first ack.
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - // Called on many acks.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _))
|
| - .Times(AnyNumber());
|
| - for (QuicPacketCount i = 0; i < number_of_packets; i++) {
|
| - SendStreamDataToPeer(3, "!", i, /*fin=*/false, nullptr);
|
| - clock_.AdvanceTime(rtt);
|
| -
|
| - // Receive an ACK, which marks all data packets as received, and all MTU
|
| - // discovery packets as missing.
|
| - QuicAckFrame ack = InitAckFrame(creator_->packet_number());
|
| - for (QuicPacketNumber& packet : mtu_discovery_packets) {
|
| - NackPacket(packet, &ack);
|
| - }
|
| - ProcessAckPacket(&ack);
|
| -
|
| - // Trigger MTU probe if it would be scheduled now.
|
| - if (!connection_.GetMtuDiscoveryAlarm()->IsSet()) {
|
| - continue;
|
| - }
|
| -
|
| - // Fire the alarm. The alarm should cause a packet to be sent.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(Return(true));
|
| - connection_.GetMtuDiscoveryAlarm()->Fire();
|
| - // Record the packet number of the MTU discovery packet in order to
|
| - // mark it as NACK'd.
|
| - mtu_discovery_packets.push_back(creator_->packet_number());
|
| - }
|
| -
|
| - // Ensure the number of packets between probes grows exponentially by checking
|
| - // it against the closed-form expression for the packet number.
|
| - ASSERT_EQ(kMtuDiscoveryAttempts, mtu_discovery_packets.size());
|
| - for (QuicPacketNumber i = 0; i < kMtuDiscoveryAttempts; i++) {
|
| - // 2^0 + 2^1 + 2^2 + ... + 2^n = 2^(n + 1) - 1
|
| - const QuicPacketCount packets_between_probes =
|
| - packets_between_probes_base * ((1 << (i + 1)) - 1);
|
| - EXPECT_EQ(packets_between_probes + (i + 1), mtu_discovery_packets[i]);
|
| - }
|
| -
|
| - EXPECT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - EXPECT_EQ(kDefaultMaxPacketSize, connection_.max_packet_length());
|
| - EXPECT_EQ(kMtuDiscoveryAttempts, connection_.mtu_probe_count());
|
| -}
|
| -
|
| -// Tests whether MTU discovery works when the writer has a limit on how large a
|
| -// packet can be.
|
| -TEST_P(QuicConnectionTest, MtuDiscoveryWriterLimited) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - const QuicByteCount mtu_limit = kMtuDiscoveryTargetPacketSizeHigh - 1;
|
| - writer_->set_max_packet_size(mtu_limit);
|
| - connection_.EnablePathMtuDiscovery(send_algorithm_);
|
| -
|
| - // Send enough packets so that the next one triggers path MTU discovery.
|
| - for (QuicPacketCount i = 0; i < kPacketsBetweenMtuProbesBase - 1; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - ASSERT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - }
|
| -
|
| - // Trigger the probe.
|
| - SendStreamDataToPeer(3, "!", kPacketsBetweenMtuProbesBase,
|
| - /*fin=*/false, nullptr);
|
| - ASSERT_TRUE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - QuicByteCount probe_size;
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&probe_size), Return(true)));
|
| - connection_.GetMtuDiscoveryAlarm()->Fire();
|
| - EXPECT_EQ(mtu_limit, probe_size);
|
| -
|
| - const QuicPacketCount probe_sequence_number =
|
| - kPacketsBetweenMtuProbesBase + 1;
|
| - ASSERT_EQ(probe_sequence_number, creator_->packet_number());
|
| -
|
| - // Acknowledge all packets sent so far.
|
| - QuicAckFrame probe_ack = InitAckFrame(probe_sequence_number);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&probe_ack);
|
| - EXPECT_EQ(mtu_limit, connection_.max_packet_length());
|
| - EXPECT_EQ(0u, connection_.GetBytesInFlight(kDefaultPathId));
|
| -
|
| - // Send more packets, and ensure that none of them sets the alarm.
|
| - for (QuicPacketCount i = 0; i < 4 * kPacketsBetweenMtuProbesBase; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - ASSERT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - }
|
| -
|
| - EXPECT_EQ(1u, connection_.mtu_probe_count());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NoMtuDiscoveryAfterConnectionClosed) {
|
| - EXPECT_TRUE(connection_.connected());
|
| -
|
| - connection_.EnablePathMtuDiscovery(send_algorithm_);
|
| -
|
| - // Send enough packets so that the next one triggers path MTU discovery.
|
| - for (QuicPacketCount i = 0; i < kPacketsBetweenMtuProbesBase - 1; i++) {
|
| - SendStreamDataToPeer(3, ".", i, /*fin=*/false, nullptr);
|
| - ASSERT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| - }
|
| -
|
| - SendStreamDataToPeer(3, "!", kPacketsBetweenMtuProbesBase,
|
| - /*fin=*/false, nullptr);
|
| - EXPECT_TRUE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(_, _, _));
|
| - connection_.CloseConnection(QUIC_PEER_GOING_AWAY, "no reason",
|
| - ConnectionCloseBehavior::SILENT_CLOSE);
|
| - EXPECT_FALSE(connection_.GetMtuDiscoveryAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TimeoutAfterSend) {
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_FALSE(QuicConnectionPeer::IsSilentCloseEnabled(&connection_));
|
| -
|
| - const QuicTime::Delta initial_idle_timeout =
|
| - QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs - 1);
|
| - const QuicTime::Delta five_ms = QuicTime::Delta::FromMilliseconds(5);
|
| - QuicTime default_timeout = clock_.ApproximateNow() + initial_idle_timeout;
|
| -
|
| - // When we send a packet, the timeout will change to 5ms +
|
| - // kInitialIdleTimeoutSecs.
|
| - clock_.AdvanceTime(five_ms);
|
| - SendStreamDataToPeer(kClientDataStreamId1, "foo", 0, kFin, nullptr);
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // Now send more data. This will not move the timeout becase
|
| - // no data has been recieved since the previous write.
|
| - clock_.AdvanceTime(five_ms);
|
| - SendStreamDataToPeer(kClientDataStreamId1, "foo", 0, kFin, nullptr);
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // The original alarm will fire. We should not time out because we had a
|
| - // network event at t=5ms. The alarm will reregister.
|
| - clock_.AdvanceTime(initial_idle_timeout - five_ms - five_ms);
|
| - EXPECT_EQ(default_timeout, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_EQ(default_timeout + five_ms + five_ms,
|
| - connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // This time, we should time out.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_NETWORK_IDLE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - clock_.AdvanceTime(five_ms);
|
| - EXPECT_EQ(default_timeout + five_ms, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NewTimeoutAfterSendSilentClose) {
|
| - // Same test as above, but complete a handshake which enables silent close,
|
| - // causing no connection close packet to be sent.
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| -
|
| - // Create a handshake message that also enables silent close.
|
| - CryptoHandshakeMessage msg;
|
| - string error_details;
|
| - QuicConfig client_config;
|
| - client_config.SetInitialStreamFlowControlWindowToSend(
|
| - kInitialStreamFlowControlWindowForTest);
|
| - client_config.SetInitialSessionFlowControlWindowToSend(
|
| - kInitialSessionFlowControlWindowForTest);
|
| - client_config.SetIdleConnectionStateLifetime(
|
| - QuicTime::Delta::FromSeconds(kDefaultIdleTimeoutSecs),
|
| - QuicTime::Delta::FromSeconds(kDefaultIdleTimeoutSecs));
|
| - client_config.ToHandshakeMessage(&msg);
|
| - const QuicErrorCode error =
|
| - config.ProcessPeerHello(msg, CLIENT, &error_details);
|
| - EXPECT_EQ(QUIC_NO_ERROR, error);
|
| -
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_TRUE(QuicConnectionPeer::IsSilentCloseEnabled(&connection_));
|
| -
|
| - const QuicTime::Delta default_idle_timeout =
|
| - QuicTime::Delta::FromSeconds(kDefaultIdleTimeoutSecs - 1);
|
| - const QuicTime::Delta five_ms = QuicTime::Delta::FromMilliseconds(5);
|
| - QuicTime default_timeout = clock_.ApproximateNow() + default_idle_timeout;
|
| -
|
| - // When we send a packet, the timeout will change to 5ms +
|
| - // kInitialIdleTimeoutSecs.
|
| - clock_.AdvanceTime(five_ms);
|
| - SendStreamDataToPeer(kClientDataStreamId1, "foo", 0, kFin, nullptr);
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // Now send more data. This will not move the timeout becase
|
| - // no data has been recieved since the previous write.
|
| - clock_.AdvanceTime(five_ms);
|
| - SendStreamDataToPeer(kClientDataStreamId1, "foo", 0, kFin, nullptr);
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // The original alarm will fire. We should not time out because we had a
|
| - // network event at t=5ms. The alarm will reregister.
|
| - clock_.AdvanceTime(default_idle_timeout - five_ms - five_ms);
|
| - EXPECT_EQ(default_timeout, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_EQ(default_timeout + five_ms + five_ms,
|
| - connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // This time, we should time out.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_NETWORK_IDLE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - clock_.AdvanceTime(five_ms);
|
| - EXPECT_EQ(default_timeout + five_ms, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TimeoutAfterReceive) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_FALSE(QuicConnectionPeer::IsSilentCloseEnabled(&connection_));
|
| -
|
| - const QuicTime::Delta initial_idle_timeout =
|
| - QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs - 1);
|
| - const QuicTime::Delta five_ms = QuicTime::Delta::FromMilliseconds(5);
|
| - QuicTime default_timeout = clock_.ApproximateNow() + initial_idle_timeout;
|
| -
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 3, !kFin,
|
| - nullptr);
|
| -
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| - clock_.AdvanceTime(five_ms);
|
| -
|
| - // When we receive a packet, the timeout will change to 5ms +
|
| - // kInitialIdleTimeoutSecs.
|
| - QuicAckFrame ack = InitAckFrame(2);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&ack);
|
| -
|
| - // The original alarm will fire. We should not time out because we had a
|
| - // network event at t=5ms. The alarm will reregister.
|
| - clock_.AdvanceTime(initial_idle_timeout - five_ms);
|
| - EXPECT_EQ(default_timeout, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_EQ(default_timeout + five_ms,
|
| - connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // This time, we should time out.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_NETWORK_IDLE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - clock_.AdvanceTime(five_ms);
|
| - EXPECT_EQ(default_timeout + five_ms, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TimeoutAfterReceiveNotSendWhenUnacked) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_FALSE(QuicConnectionPeer::IsSilentCloseEnabled(&connection_));
|
| -
|
| - const QuicTime::Delta initial_idle_timeout =
|
| - QuicTime::Delta::FromSeconds(kInitialIdleTimeoutSecs - 1);
|
| - connection_.SetNetworkTimeouts(
|
| - QuicTime::Delta::Infinite(),
|
| - initial_idle_timeout + QuicTime::Delta::FromSeconds(1));
|
| - const QuicTime::Delta five_ms = QuicTime::Delta::FromMilliseconds(5);
|
| - QuicTime default_timeout = clock_.ApproximateNow() + initial_idle_timeout;
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 3, !kFin,
|
| - nullptr);
|
| -
|
| - EXPECT_EQ(default_timeout, connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - clock_.AdvanceTime(five_ms);
|
| -
|
| - // When we receive a packet, the timeout will change to 5ms +
|
| - // kInitialIdleTimeoutSecs.
|
| - QuicAckFrame ack = InitAckFrame(2);
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&ack);
|
| -
|
| - // The original alarm will fire. We should not time out because we had a
|
| - // network event at t=5ms. The alarm will reregister.
|
| - clock_.AdvanceTime(initial_idle_timeout - five_ms);
|
| - EXPECT_EQ(default_timeout, clock_.ApproximateNow());
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_EQ(default_timeout + five_ms,
|
| - connection_.GetTimeoutAlarm()->deadline());
|
| -
|
| - // Now, send packets while advancing the time and verify that the connection
|
| - // eventually times out.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_NETWORK_IDLE_TIMEOUT, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(AnyNumber());
|
| - for (int i = 0; i < 100 && connection_.connected(); ++i) {
|
| - VLOG(1) << "sending data packet";
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| - connection_.GetTimeoutAlarm()->Fire();
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(1));
|
| - }
|
| - EXPECT_FALSE(connection_.connected());
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TimeoutAfter5RTOs) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 2);
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - QuicTagVector connection_options;
|
| - connection_options.push_back(k5RTO);
|
| - config.SetConnectionOptionsToSend(connection_options);
|
| - connection_.SetFromConfig(config);
|
| -
|
| - // Send stream data.
|
| - SendStreamDataToPeer(kClientDataStreamId1, "foo", 0, kFin, nullptr);
|
| -
|
| - EXPECT_CALL(visitor_, OnPathDegrading());
|
| - // Fire the retransmission alarm 6 times, twice for TLP and 4 times for RTO.
|
| - for (int i = 0; i < 6; ++i) {
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_TRUE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_TRUE(connection_.connected());
|
| - }
|
| -
|
| - EXPECT_EQ(2u, connection_.sent_packet_manager().GetConsecutiveTlpCount());
|
| - EXPECT_EQ(4u, connection_.sent_packet_manager().GetConsecutiveRtoCount());
|
| - // This time, we should time out.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_TOO_MANY_RTOS, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_FALSE(connection_.GetTimeoutAlarm()->IsSet());
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendScheduler) {
|
| - // Test that if we send a packet without delay, it is not queued.
|
| - QuicPacket* packet =
|
| - ConstructDataPacket(kDefaultPathId, 1, !kEntropyFlag, !kHasStopWaiting);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.SendPacket(ENCRYPTION_NONE, kDefaultPathId, 1, packet,
|
| - kTestEntropyHash, HAS_RETRANSMITTABLE_DATA, false,
|
| - false);
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, FailToSendFirstPacket) {
|
| - // Test that the connection does not crash when it fails to send the first
|
| - // packet at which point self_address_ might be uninitialized.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(_, _, _)).Times(1);
|
| - QuicPacket* packet =
|
| - ConstructDataPacket(kDefaultPathId, 1, !kEntropyFlag, !kHasStopWaiting);
|
| - writer_->SetShouldWriteFail();
|
| - connection_.SendPacket(ENCRYPTION_NONE, kDefaultPathId, 1, packet,
|
| - kTestEntropyHash, HAS_RETRANSMITTABLE_DATA, false,
|
| - false);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendSchedulerEAGAIN) {
|
| - QuicPacket* packet =
|
| - ConstructDataPacket(kDefaultPathId, 1, !kEntropyFlag, !kHasStopWaiting);
|
| - BlockOnNextWrite();
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 1, _, _)).Times(0);
|
| - connection_.SendPacket(ENCRYPTION_NONE, kDefaultPathId, 1, packet,
|
| - kTestEntropyHash, HAS_RETRANSMITTABLE_DATA, false,
|
| - false);
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, TestQueueLimitsOnSendStreamData) {
|
| - // All packets carry version info till version is negotiated.
|
| - size_t payload_length;
|
| - size_t length = GetPacketLengthForOneStream(
|
| - connection_.version(), kIncludeVersion, !kIncludePathId,
|
| - !kIncludeDiversificationNonce, PACKET_8BYTE_CONNECTION_ID,
|
| - PACKET_1BYTE_PACKET_NUMBER, &payload_length);
|
| - connection_.SetMaxPacketLength(length);
|
| -
|
| - // Queue the first packet.
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillOnce(testing::Return(QuicTime::Delta::FromMicroseconds(10)));
|
| - const string payload(payload_length, 'a');
|
| - EXPECT_EQ(0u,
|
| - connection_.SendStreamDataWithString(3, payload, 0, !kFin, nullptr)
|
| - .bytes_consumed);
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LoopThroughSendingPackets) {
|
| - // All packets carry version info till version is negotiated.
|
| - size_t payload_length;
|
| - // GetPacketLengthForOneStream() assumes a stream offset of 0 in determining
|
| - // packet length. The size of the offset field in a stream frame is 0 for
|
| - // offset 0, and 2 for non-zero offsets up through 16K. Increase
|
| - // max_packet_length by 2 so that subsequent packets containing subsequent
|
| - // stream frames with non-zero offets will fit within the packet length.
|
| - size_t length =
|
| - 2 + GetPacketLengthForOneStream(
|
| - connection_.version(), kIncludeVersion, !kIncludePathId,
|
| - !kIncludeDiversificationNonce, PACKET_8BYTE_CONNECTION_ID,
|
| - PACKET_1BYTE_PACKET_NUMBER, &payload_length);
|
| - connection_.SetMaxPacketLength(length);
|
| -
|
| - // Queue the first packet.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(7);
|
| - // The first stream frame will have 2 fewer overhead bytes than the other six.
|
| - const string payload(payload_length * 7 + 2, 'a');
|
| - EXPECT_EQ(payload.size(),
|
| - connection_.SendStreamDataWithString(1, payload, 0, !kFin, nullptr)
|
| - .bytes_consumed);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, LoopThroughSendingPacketsWithTruncation) {
|
| - // Set up a larger payload than will fit in one packet.
|
| - const string payload(connection_.max_packet_length(), 'a');
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _)).Times(AnyNumber());
|
| -
|
| - // Now send some packets with no truncation.
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - EXPECT_EQ(payload.size(),
|
| - connection_.SendStreamDataWithString(3, payload, 0, !kFin, nullptr)
|
| - .bytes_consumed);
|
| - // Track the size of the second packet here. The overhead will be the largest
|
| - // we see in this test, due to the non-truncated connection id.
|
| - size_t non_truncated_packet_size = writer_->last_packet_size();
|
| -
|
| - // Change to a 0 byte connection id.
|
| - QuicConfig config;
|
| - QuicConfigPeer::SetReceivedBytesForConnectionId(&config, 0);
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
|
| - EXPECT_EQ(payload.size(),
|
| - connection_.SendStreamDataWithString(3, payload, 0, !kFin, nullptr)
|
| - .bytes_consumed);
|
| - // Just like above, we save 8 bytes on payload, and 8 on truncation.
|
| - EXPECT_EQ(non_truncated_packet_size, writer_->last_packet_size() + 8 * 2);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAck) {
|
| - QuicTime ack_time = clock_.ApproximateNow() + DefaultDelayedAckTime();
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1, !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| - // Simulate delayed ack alarm firing.
|
| - connection_.GetAckAlarm()->Fire();
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckDecimation) {
|
| - QuicConnectionPeer::SetAckMode(&connection_, QuicConnection::ACK_DECIMATION);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/4, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 4);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 9; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckDecimationEighthRtt) {
|
| - QuicConnectionPeer::SetAckMode(&connection_, QuicConnection::ACK_DECIMATION);
|
| - QuicConnectionPeer::SetAckDecimationDelay(&connection_, 0.125);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/8, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 8);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 9; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckDecimationWithReordering) {
|
| - QuicConnectionPeer::SetAckMode(
|
| - &connection_, QuicConnection::ACK_DECIMATION_WITH_REORDERING);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/4, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 4);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Process packet 10 first and ensure the alarm is one eighth min_rtt.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 9,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - ack_time = clock_.ApproximateNow() + QuicTime::Delta::FromMilliseconds(5);
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 8; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckDecimationWithLargeReordering) {
|
| - QuicConnectionPeer::SetAckMode(
|
| - &connection_, QuicConnection::ACK_DECIMATION_WITH_REORDERING);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/4, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 4);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Process packet 10 first and ensure the alarm is one eighth min_rtt.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 19,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - ack_time = clock_.ApproximateNow() + QuicTime::Delta::FromMilliseconds(5);
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 8; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -
|
| - // The next packet received in order will cause an immediate ack,
|
| - // because it fills a hole.
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 10,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckDecimationWithReorderingEighthRtt) {
|
| - QuicConnectionPeer::SetAckMode(
|
| - &connection_, QuicConnection::ACK_DECIMATION_WITH_REORDERING);
|
| - QuicConnectionPeer::SetAckDecimationDelay(&connection_, 0.125);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/8, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 8);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Process packet 10 first and ensure the alarm is one eighth min_rtt.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 9,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - ack_time = clock_.ApproximateNow() + QuicTime::Delta::FromMilliseconds(5);
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 8; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest,
|
| - SendDelayedAckDecimationWithLargeReorderingEighthRtt) {
|
| - QuicConnectionPeer::SetAckMode(
|
| - &connection_, QuicConnection::ACK_DECIMATION_WITH_REORDERING);
|
| - QuicConnectionPeer::SetAckDecimationDelay(&connection_, 0.125);
|
| -
|
| - const size_t kMinRttMs = 40;
|
| - RttStats* rtt_stats = const_cast<RttStats*>(manager_->GetRttStats());
|
| - rtt_stats->UpdateRtt(QuicTime::Delta::FromMilliseconds(kMinRttMs),
|
| - QuicTime::Delta::Zero(), QuicTime::Zero());
|
| - // The ack time should be based on min_rtt/8, since it's less than the
|
| - // default delayed ack time.
|
| - QuicTime ack_time = clock_.ApproximateNow() +
|
| - QuicTime::Delta::FromMilliseconds(kMinRttMs / 8);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - const uint8_t tag = 0x07;
|
| - connection_.SetDecrypter(ENCRYPTION_INITIAL, new StrictTaggingDecrypter(tag));
|
| - framer_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(tag));
|
| - // Process a packet from the non-crypto stream.
|
| - frame1_.stream_id = 3;
|
| -
|
| - // Process all the initial packets in order so there aren't missing packets.
|
| - QuicPacketNumber kFirstDecimatedPacket = 101;
|
| - for (unsigned int i = 0; i < kFirstDecimatedPacket - 1; ++i) {
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, 1 + i, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - }
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - // The same as ProcessPacket(1) except that ENCRYPTION_INITIAL is used
|
| - // instead of ENCRYPTION_NONE.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket, !kEntropyFlag,
|
| - !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| -
|
| - // Check if delayed ack timer is running for the expected interval.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Process packet 10 first and ensure the alarm is one eighth min_rtt.
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 19,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - ack_time = clock_.ApproximateNow() + QuicTime::Delta::FromMilliseconds(5);
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // The 10th received packet causes an ack to be sent.
|
| - for (int i = 0; i < 8; ++i) {
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 1 + i,
|
| - !kEntropyFlag, !kHasStopWaiting,
|
| - ENCRYPTION_INITIAL);
|
| - }
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -
|
| - // The next packet received in order will cause an immediate ack,
|
| - // because it fills a hole.
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - ProcessDataPacketAtLevel(kDefaultPathId, kFirstDecimatedPacket + 10,
|
| - !kEntropyFlag, !kHasStopWaiting, ENCRYPTION_INITIAL);
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckOnHandshakeConfirmed) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - // Check that ack is sent and that delayed ack alarm is set.
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - QuicTime ack_time = clock_.ApproximateNow() + DefaultDelayedAckTime();
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Completing the handshake as the server does nothing.
|
| - QuicConnectionPeer::SetPerspective(&connection_, Perspective::IS_SERVER);
|
| - connection_.OnHandshakeComplete();
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(ack_time, connection_.GetAckAlarm()->deadline());
|
| -
|
| - // Complete the handshake as the client decreases the delayed ack time to 0ms.
|
| - QuicConnectionPeer::SetPerspective(&connection_, Perspective::IS_CLIENT);
|
| - connection_.OnHandshakeComplete();
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_EQ(clock_.ApproximateNow(), connection_.GetAckAlarm()->deadline());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckOnSecondPacket) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(2u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NoAckOnOldNacks) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - // Drop one packet, triggering a sequence of acks.
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - size_t frames_per_ack = 2;
|
| - EXPECT_EQ(frames_per_ack, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - writer_->Reset();
|
| - ProcessPacket(kDefaultPathId, 3);
|
| - EXPECT_EQ(frames_per_ack, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - writer_->Reset();
|
| - ProcessPacket(kDefaultPathId, 4);
|
| - EXPECT_EQ(frames_per_ack, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - writer_->Reset();
|
| - ProcessPacket(kDefaultPathId, 5);
|
| - EXPECT_EQ(frames_per_ack, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - writer_->Reset();
|
| - // Now only set the timer on the 6th packet, instead of sending another ack.
|
| - ProcessPacket(kDefaultPathId, 6);
|
| - EXPECT_EQ(0u, writer_->frame_count());
|
| - EXPECT_TRUE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckOnOutgoingPacket) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| - // Check that ack is bundled with outgoing data and that delayed ack
|
| - // alarm is reset.
|
| - EXPECT_EQ(3u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendDelayedAckOnOutgoingCryptoPacket) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - connection_.SendStreamDataWithString(kCryptoStreamId, "foo", 0, !kFin,
|
| - nullptr);
|
| - // Check that ack is bundled with outgoing crypto data.
|
| - EXPECT_EQ(3u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BlockAndBufferOnFirstCHLOPacketOfTwo) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - BlockOnNextWrite();
|
| - writer_->set_is_write_blocked_data_buffered(true);
|
| - connection_.SendStreamDataWithString(kCryptoStreamId, "foo", 0, !kFin,
|
| - nullptr);
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| - connection_.SendStreamDataWithString(kCryptoStreamId, "bar", 3, !kFin,
|
| - nullptr);
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| - EXPECT_TRUE(connection_.HasQueuedData());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BundleAckForSecondCHLO) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - EXPECT_CALL(visitor_, OnCanWrite())
|
| - .WillOnce(IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::SendCryptoStreamData)));
|
| - // Process a packet from the crypto stream, which is frame1_'s default.
|
| - // Receiving the CHLO as packet 2 first will cause the connection to
|
| - // immediately send an ack, due to the packet gap.
|
| - ProcessPacket(kDefaultPathId, 2);
|
| - // Check that ack is sent and that delayed ack alarm is reset.
|
| - EXPECT_EQ(3u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BundleAckWithDataOnIncomingAck) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 3, !kFin,
|
| - nullptr);
|
| - // Ack the second packet, which will retransmit the first packet.
|
| - QuicAckFrame ack = InitAckFrame(2);
|
| - NackPacket(1, &ack);
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&ack);
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - writer_->Reset();
|
| -
|
| - // Now ack the retransmission, which will both raise the high water mark
|
| - // and see if there is more data to send.
|
| - ack = InitAckFrame(3);
|
| - NackPacket(1, &ack);
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&ack);
|
| -
|
| - // Check that no packet is sent and the ack alarm isn't set.
|
| - EXPECT_EQ(0u, writer_->frame_count());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| - writer_->Reset();
|
| -
|
| - // Send the same ack, but send both data and an ack together.
|
| - ack = InitAckFrame(3);
|
| - NackPacket(1, &ack);
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(visitor_, OnCanWrite())
|
| - .WillOnce(IgnoreResult(InvokeWithoutArgs(
|
| - &connection_, &TestConnection::EnsureWritableAndSendStreamData5)));
|
| - ProcessAckPacket(&ack);
|
| -
|
| - // Check that ack is bundled with outgoing data and the delayed ack
|
| - // alarm is reset.
|
| - EXPECT_EQ(3u, writer_->frame_count());
|
| - EXPECT_FALSE(writer_->stop_waiting_frames().empty());
|
| - EXPECT_FALSE(writer_->ack_frames().empty());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_FALSE(connection_.GetAckAlarm()->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NoAckSentForClose) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessPacket(kDefaultPathId, 1);
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PEER_GOING_AWAY, _,
|
| - ConnectionCloseSource::FROM_PEER));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - ProcessClosePacket(kDefaultPathId, 2);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendWhenDisconnected) {
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PEER_GOING_AWAY, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - connection_.CloseConnection(QUIC_PEER_GOING_AWAY, "no reason",
|
| - ConnectionCloseBehavior::SILENT_CLOSE);
|
| - EXPECT_FALSE(connection_.connected());
|
| - EXPECT_FALSE(connection_.CanWriteStreamData());
|
| - QuicPacket* packet =
|
| - ConstructDataPacket(kDefaultPathId, 1, !kEntropyFlag, !kHasStopWaiting);
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 1, _, _)).Times(0);
|
| - connection_.SendPacket(ENCRYPTION_NONE, kDefaultPathId, 1, packet,
|
| - kTestEntropyHash, HAS_RETRANSMITTABLE_DATA, false,
|
| - false);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PublicReset) {
|
| - QuicPublicResetPacket header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.reset_flag = true;
|
| - header.public_header.version_flag = false;
|
| - header.rejected_packet_number = 10101;
|
| - std::unique_ptr<QuicEncryptedPacket> packet(
|
| - framer_.BuildPublicResetPacket(header));
|
| - std::unique_ptr<QuicReceivedPacket> received(
|
| - ConstructReceivedPacket(*packet, QuicTime::Zero()));
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PUBLIC_RESET, _,
|
| - ConnectionCloseSource::FROM_PEER));
|
| - connection_.ProcessUdpPacket(kSelfAddress, kPeerAddress, *received);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, GoAway) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - QuicGoAwayFrame goaway;
|
| - goaway.last_good_stream_id = 1;
|
| - goaway.error_code = QUIC_PEER_GOING_AWAY;
|
| - goaway.reason_phrase = "Going away.";
|
| - EXPECT_CALL(visitor_, OnGoAway(_));
|
| - ProcessGoAwayPacket(&goaway);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, WindowUpdate) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - QuicWindowUpdateFrame window_update;
|
| - window_update.stream_id = 3;
|
| - window_update.byte_offset = 1234;
|
| - EXPECT_CALL(visitor_, OnWindowUpdateFrame(_));
|
| - ProcessFramePacket(QuicFrame(&window_update));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, Blocked) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - QuicBlockedFrame blocked;
|
| - blocked.stream_id = 3;
|
| - EXPECT_CALL(visitor_, OnBlockedFrame(_));
|
| - ProcessFramePacket(QuicFrame(&blocked));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, PathClose) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - QuicPathCloseFrame path_close = QuicPathCloseFrame(1);
|
| - ProcessPathClosePacket(&path_close);
|
| - EXPECT_TRUE(QuicFramerPeer::IsPathClosed(
|
| - QuicConnectionPeer::GetFramer(&connection_), 1));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ZeroBytePacket) {
|
| - // Don't close the connection for zero byte packets.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(_, _, _)).Times(0);
|
| - QuicReceivedPacket encrypted(nullptr, 0, QuicTime::Zero());
|
| - connection_.ProcessUdpPacket(kSelfAddress, kPeerAddress, encrypted);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, MissingPacketsBeforeLeastUnacked) {
|
| - // Set the packet number of the ack packet to be least unacked (4).
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 3);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - QuicStopWaitingFrame frame = InitStopWaitingFrame(4);
|
| - ProcessStopWaitingPacket(&frame);
|
| - if (outgoing_ack()->missing) {
|
| - EXPECT_TRUE(outgoing_ack()->packets.Empty());
|
| - } else {
|
| - EXPECT_FALSE(outgoing_ack()->packets.Empty());
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ReceivedEntropyHashCalculation) {
|
| - if (GetParam().version > QUIC_VERSION_33) {
|
| - return;
|
| - }
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(AtLeast(1));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessDataPacket(kDefaultPathId, 1, kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 4, kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 3, !kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 7, kEntropyFlag);
|
| - EXPECT_EQ(146u, outgoing_ack()->entropy_hash);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, UpdateEntropyForReceivedPackets) {
|
| - if (GetParam().version > QUIC_VERSION_33) {
|
| - return;
|
| - }
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(AtLeast(1));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessDataPacket(kDefaultPathId, 1, kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 5, kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 4, !kEntropyFlag);
|
| - EXPECT_EQ(34u, outgoing_ack()->entropy_hash);
|
| - // Make 4th packet my least unacked, and update entropy for 2, 3 packets.
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 5);
|
| - QuicPacketEntropyHash six_packet_entropy_hash = 0;
|
| - QuicPacketEntropyHash random_entropy_hash = 129u;
|
| - QuicStopWaitingFrame frame = InitStopWaitingFrame(4);
|
| - frame.entropy_hash = random_entropy_hash;
|
| - if (ProcessStopWaitingPacket(&frame)) {
|
| - six_packet_entropy_hash = 1 << 6;
|
| - }
|
| -
|
| - EXPECT_EQ((random_entropy_hash + (1 << 5) + six_packet_entropy_hash),
|
| - outgoing_ack()->entropy_hash);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, UpdateEntropyHashUptoCurrentPacket) {
|
| - if (GetParam().version > QUIC_VERSION_33) {
|
| - return;
|
| - }
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(AtLeast(1));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessDataPacket(kDefaultPathId, 1, kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 5, !kEntropyFlag);
|
| - ProcessDataPacket(kDefaultPathId, 22, kEntropyFlag);
|
| - EXPECT_EQ(66u, outgoing_ack()->entropy_hash);
|
| - QuicPacketCreatorPeer::SetPacketNumber(&peer_creator_, 22);
|
| - QuicPacketEntropyHash random_entropy_hash = 85u;
|
| - // Current packet is the least unacked packet.
|
| - QuicPacketEntropyHash ack_entropy_hash;
|
| - QuicStopWaitingFrame frame = InitStopWaitingFrame(23);
|
| - frame.entropy_hash = random_entropy_hash;
|
| - ack_entropy_hash = ProcessStopWaitingPacket(&frame);
|
| - EXPECT_EQ((random_entropy_hash + ack_entropy_hash),
|
| - outgoing_ack()->entropy_hash);
|
| - ProcessDataPacket(kDefaultPathId, 25, kEntropyFlag);
|
| - EXPECT_EQ((random_entropy_hash + ack_entropy_hash + (1 << (25 % 8))),
|
| - outgoing_ack()->entropy_hash);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, EntropyCalculationForTruncatedAck) {
|
| - if (GetParam().version > QUIC_VERSION_33) {
|
| - return;
|
| - }
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(AtLeast(1));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - QuicPacketEntropyHash entropy[51];
|
| - entropy[0] = 0;
|
| - for (int i = 1; i < 51; ++i) {
|
| - bool should_send = i % 10 != 1;
|
| - bool entropy_flag = (i & (i - 1)) != 0;
|
| - if (!should_send) {
|
| - entropy[i] = entropy[i - 1];
|
| - continue;
|
| - }
|
| - if (entropy_flag) {
|
| - entropy[i] = entropy[i - 1] ^ (1 << (i % 8));
|
| - } else {
|
| - entropy[i] = entropy[i - 1];
|
| - }
|
| - ProcessDataPacket(kDefaultPathId, i, entropy_flag);
|
| - }
|
| - for (int i = 1; i < 50; ++i) {
|
| - EXPECT_EQ(entropy[i],
|
| - QuicConnectionPeer::ReceivedEntropyHash(&connection_, i));
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ServerSendsVersionNegotiationPacket) {
|
| - connection_.SetSupportedVersions(QuicSupportedVersions());
|
| - set_perspective(Perspective::IS_SERVER);
|
| - peer_framer_.set_version_for_tests(QUIC_VERSION_UNSUPPORTED);
|
| -
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.version_flag = true;
|
| - header.path_id = kDefaultPathId;
|
| - header.packet_number = 12;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| -
|
| - framer_.set_version(version());
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| - EXPECT_TRUE(writer_->version_negotiation_packet() != nullptr);
|
| -
|
| - size_t num_versions = arraysize(kSupportedQuicVersions);
|
| - ASSERT_EQ(num_versions,
|
| - writer_->version_negotiation_packet()->versions.size());
|
| -
|
| - // We expect all versions in kSupportedQuicVersions to be
|
| - // included in the packet.
|
| - for (size_t i = 0; i < num_versions; ++i) {
|
| - EXPECT_EQ(kSupportedQuicVersions[i],
|
| - writer_->version_negotiation_packet()->versions[i]);
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ServerSendsVersionNegotiationPacketSocketBlocked) {
|
| - connection_.SetSupportedVersions(QuicSupportedVersions());
|
| - set_perspective(Perspective::IS_SERVER);
|
| - peer_framer_.set_version_for_tests(QUIC_VERSION_UNSUPPORTED);
|
| -
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.version_flag = true;
|
| - header.packet_number = 12;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| -
|
| - framer_.set_version(version());
|
| - BlockOnNextWrite();
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| - EXPECT_EQ(0u, writer_->last_packet_size());
|
| - EXPECT_TRUE(connection_.HasQueuedData());
|
| -
|
| - writer_->SetWritable();
|
| - connection_.OnCanWrite();
|
| - EXPECT_TRUE(writer_->version_negotiation_packet() != nullptr);
|
| -
|
| - size_t num_versions = arraysize(kSupportedQuicVersions);
|
| - ASSERT_EQ(num_versions,
|
| - writer_->version_negotiation_packet()->versions.size());
|
| -
|
| - // We expect all versions in kSupportedQuicVersions to be
|
| - // included in the packet.
|
| - for (size_t i = 0; i < num_versions; ++i) {
|
| - EXPECT_EQ(kSupportedQuicVersions[i],
|
| - writer_->version_negotiation_packet()->versions[i]);
|
| - }
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest,
|
| - ServerSendsVersionNegotiationPacketSocketBlockedDataBuffered) {
|
| - connection_.SetSupportedVersions(QuicSupportedVersions());
|
| - set_perspective(Perspective::IS_SERVER);
|
| - peer_framer_.set_version_for_tests(QUIC_VERSION_UNSUPPORTED);
|
| -
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.public_header.version_flag = true;
|
| - header.packet_number = 12;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encryped_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| -
|
| - framer_.set_version(version());
|
| - set_perspective(Perspective::IS_SERVER);
|
| - BlockOnNextWrite();
|
| - writer_->set_is_write_blocked_data_buffered(true);
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encryped_length, QuicTime::Zero(), false));
|
| - EXPECT_EQ(0u, writer_->last_packet_size());
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ClientHandlesVersionNegotiation) {
|
| - // Start out with some unsupported version.
|
| - QuicConnectionPeer::GetFramer(&connection_)
|
| - ->set_version_for_tests(QUIC_VERSION_UNSUPPORTED);
|
| -
|
| - // Send a version negotiation packet.
|
| - std::unique_ptr<QuicEncryptedPacket> encrypted(
|
| - framer_.BuildVersionNegotiationPacket(connection_id_,
|
| - QuicSupportedVersions()));
|
| - std::unique_ptr<QuicReceivedPacket> received(
|
| - ConstructReceivedPacket(*encrypted, QuicTime::Zero()));
|
| - connection_.ProcessUdpPacket(kSelfAddress, kPeerAddress, *received);
|
| -
|
| - // Now force another packet. The connection should transition into
|
| - // NEGOTIATED_VERSION state and tell the packet creator to StopSendingVersion.
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.path_id = kDefaultPathId;
|
| - header.packet_number = 12;
|
| - header.public_header.version_flag = false;
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 12, *packet, buffer, kMaxPacketSize);
|
| - ASSERT_NE(0u, encrypted_length);
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| -
|
| - ASSERT_FALSE(QuicPacketCreatorPeer::SendVersionInPacket(creator_));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BadVersionNegotiation) {
|
| - // Send a version negotiation packet with the version the client started with.
|
| - // It should be rejected.
|
| - EXPECT_CALL(visitor_,
|
| - OnConnectionClosed(QUIC_INVALID_VERSION_NEGOTIATION_PACKET, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - std::unique_ptr<QuicEncryptedPacket> encrypted(
|
| - framer_.BuildVersionNegotiationPacket(connection_id_,
|
| - QuicSupportedVersions()));
|
| - std::unique_ptr<QuicReceivedPacket> received(
|
| - ConstructReceivedPacket(*encrypted, QuicTime::Zero()));
|
| - connection_.ProcessUdpPacket(kSelfAddress, kPeerAddress, *received);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, CheckSendStats) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.SendStreamDataWithString(3, "first", 0, !kFin, nullptr);
|
| - size_t first_packet_size = writer_->last_packet_size();
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - connection_.SendStreamDataWithString(5, "second", 0, !kFin, nullptr);
|
| - size_t second_packet_size = writer_->last_packet_size();
|
| -
|
| - // 2 retransmissions due to rto, 1 due to explicit nack.
|
| - EXPECT_CALL(*send_algorithm_, OnRetransmissionTimeout(true));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(3);
|
| -
|
| - // Retransmit due to RTO.
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(10));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -
|
| - // Retransmit due to explicit nacks.
|
| - QuicAckFrame nack_three = InitAckFrame(4);
|
| - NackPacket(3, &nack_three);
|
| - NackPacket(1, &nack_three);
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(1, kMaxPacketSize));
|
| - lost_packets.push_back(std::make_pair(3, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(visitor_, OnCanWrite());
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - ProcessAckPacket(&nack_three);
|
| -
|
| - EXPECT_CALL(*send_algorithm_, BandwidthEstimate())
|
| - .WillOnce(Return(QuicBandwidth::Zero()));
|
| -
|
| - const QuicConnectionStats& stats = connection_.GetStats();
|
| - EXPECT_EQ(3 * first_packet_size + 2 * second_packet_size - kQuicVersionSize,
|
| - stats.bytes_sent);
|
| - EXPECT_EQ(5u, stats.packets_sent);
|
| - EXPECT_EQ(2 * first_packet_size + second_packet_size - kQuicVersionSize,
|
| - stats.bytes_retransmitted);
|
| - EXPECT_EQ(3u, stats.packets_retransmitted);
|
| - EXPECT_EQ(1u, stats.rto_count);
|
| - EXPECT_EQ(kDefaultMaxPacketSize, stats.max_packet_size);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ProcessFramesIfPacketClosedConnection) {
|
| - // Construct a packet with stream frame and connection close frame.
|
| - QuicPacketHeader header;
|
| - header.public_header.connection_id = connection_id_;
|
| - header.packet_number = 1;
|
| - header.public_header.version_flag = false;
|
| -
|
| - QuicConnectionCloseFrame qccf;
|
| - qccf.error_code = QUIC_PEER_GOING_AWAY;
|
| -
|
| - QuicFrames frames;
|
| - frames.push_back(QuicFrame(&frame1_));
|
| - frames.push_back(QuicFrame(&qccf));
|
| - std::unique_ptr<QuicPacket> packet(ConstructPacket(header, frames));
|
| - EXPECT_TRUE(nullptr != packet.get());
|
| - char buffer[kMaxPacketSize];
|
| - size_t encrypted_length = framer_.EncryptPayload(
|
| - ENCRYPTION_NONE, kDefaultPathId, 1, *packet, buffer, kMaxPacketSize);
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PEER_GOING_AWAY, _,
|
| - ConnectionCloseSource::FROM_PEER));
|
| - EXPECT_CALL(visitor_, OnStreamFrame(_)).Times(1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - connection_.ProcessUdpPacket(
|
| - kSelfAddress, kPeerAddress,
|
| - QuicReceivedPacket(buffer, encrypted_length, QuicTime::Zero(), false));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SelectMutualVersion) {
|
| - connection_.SetSupportedVersions(QuicSupportedVersions());
|
| - // Set the connection to speak the lowest quic version.
|
| - connection_.set_version(QuicVersionMin());
|
| - EXPECT_EQ(QuicVersionMin(), connection_.version());
|
| -
|
| - // Pass in available versions which includes a higher mutually supported
|
| - // version. The higher mutually supported version should be selected.
|
| - QuicVersionVector supported_versions;
|
| - for (size_t i = 0; i < arraysize(kSupportedQuicVersions); ++i) {
|
| - supported_versions.push_back(kSupportedQuicVersions[i]);
|
| - }
|
| - EXPECT_TRUE(connection_.SelectMutualVersion(supported_versions));
|
| - EXPECT_EQ(QuicVersionMax(), connection_.version());
|
| -
|
| - // Expect that the lowest version is selected.
|
| - // Ensure the lowest supported version is less than the max, unless they're
|
| - // the same.
|
| - EXPECT_LE(QuicVersionMin(), QuicVersionMax());
|
| - QuicVersionVector lowest_version_vector;
|
| - lowest_version_vector.push_back(QuicVersionMin());
|
| - EXPECT_TRUE(connection_.SelectMutualVersion(lowest_version_vector));
|
| - EXPECT_EQ(QuicVersionMin(), connection_.version());
|
| -
|
| - // Shouldn't be able to find a mutually supported version.
|
| - QuicVersionVector unsupported_version;
|
| - unsupported_version.push_back(QUIC_VERSION_UNSUPPORTED);
|
| - EXPECT_FALSE(connection_.SelectMutualVersion(unsupported_version));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ConnectionCloseWhenWritable) {
|
| - EXPECT_FALSE(writer_->IsWriteBlocked());
|
| -
|
| - // Send a packet.
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(0u, connection_.NumQueuedPackets());
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| -
|
| - TriggerConnectionClose();
|
| - EXPECT_EQ(2u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ConnectionCloseGettingWriteBlocked) {
|
| - BlockOnNextWrite();
|
| - TriggerConnectionClose();
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ConnectionCloseWhenWriteBlocked) {
|
| - BlockOnNextWrite();
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - EXPECT_EQ(1u, connection_.NumQueuedPackets());
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| - EXPECT_TRUE(writer_->IsWriteBlocked());
|
| - TriggerConnectionClose();
|
| - EXPECT_EQ(1u, writer_->packets_write_attempts());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckNotifierTriggerCallback) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Create a listener which we expect to be called.
|
| - scoped_refptr<MockAckListener> listener(new MockAckListener);
|
| - EXPECT_CALL(*listener, OnPacketAcked(_, _)).Times(1);
|
| -
|
| - // Send some data, which will register the listener to be notified.
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, listener.get());
|
| -
|
| - // Process an ACK from the server which should trigger the callback.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame frame = InitAckFrame(1);
|
| - ProcessAckPacket(&frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckNotifierFailToTriggerCallback) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Create a listener which we don't expect to be called.
|
| - scoped_refptr<MockAckListener> listener(new MockAckListener);
|
| - EXPECT_CALL(*listener, OnPacketAcked(_, _)).Times(0);
|
| -
|
| - // Send some data, which will register the listener to be notified. This will
|
| - // not be ACKed and so the listener should never be called.
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, listener.get());
|
| -
|
| - // Send some other data which we will ACK.
|
| - connection_.SendStreamDataWithString(1, "foo", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(1, "bar", 0, !kFin, nullptr);
|
| -
|
| - // Now we receive ACK for packets 2 and 3, but importantly missing packet 1
|
| - // which we registered to be notified about.
|
| - QuicAckFrame frame = InitAckFrame(3);
|
| - NackPacket(1, &frame);
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(1, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, AckNotifierCallbackAfterRetransmission) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Create a listener which we expect to be called.
|
| - scoped_refptr<MockAckListener> listener(new MockAckListener);
|
| - EXPECT_CALL(*listener, OnPacketRetransmitted(3)).Times(1);
|
| - EXPECT_CALL(*listener, OnPacketAcked(3, _)).Times(1);
|
| -
|
| - // Send four packets, and register to be notified on ACK of packet 2.
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(3, "bar", 0, !kFin, listener.get());
|
| - connection_.SendStreamDataWithString(3, "baz", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(3, "qux", 0, !kFin, nullptr);
|
| -
|
| - // Now we receive ACK for packets 1, 3, and 4 and lose 2.
|
| - QuicAckFrame frame = InitAckFrame(4);
|
| - NackPacket(2, &frame);
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(2, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| -
|
| - // Now we get an ACK for packet 5 (retransmitted packet 2), which should
|
| - // trigger the callback.
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame second_ack_frame = InitAckFrame(5);
|
| - ProcessAckPacket(&second_ack_frame);
|
| -}
|
| -
|
| -// AckNotifierCallback is triggered by the ack of a packet that timed
|
| -// out and was retransmitted, even though the retransmission has a
|
| -// different packet number.
|
| -TEST_P(QuicConnectionTest, AckNotifierCallbackForAckAfterRTO) {
|
| - connection_.SetMaxTailLossProbes(kDefaultPathId, 0);
|
| -
|
| - // Create a listener which we expect to be called.
|
| - scoped_refptr<MockAckListener> listener(new StrictMock<MockAckListener>);
|
| -
|
| - QuicTime default_retransmission_time =
|
| - clock_.ApproximateNow() + DefaultRetransmissionTime();
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, listener.get());
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| -
|
| - EXPECT_EQ(1u, writer_->header().packet_number);
|
| - EXPECT_EQ(default_retransmission_time,
|
| - connection_.GetRetransmissionAlarm()->deadline());
|
| - // Simulate the retransmission alarm firing.
|
| - clock_.AdvanceTime(DefaultRetransmissionTime());
|
| - EXPECT_CALL(*listener, OnPacketRetransmitted(3));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, 2u, _, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - EXPECT_EQ(2u, writer_->header().packet_number);
|
| - // We do not raise the high water mark yet.
|
| - EXPECT_EQ(1u, stop_waiting()->least_unacked);
|
| -
|
| - // Ack the original packet, which will revert the RTO.
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - EXPECT_CALL(*listener, OnPacketAcked(3, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame ack_frame = InitAckFrame(1);
|
| - ProcessAckPacket(&ack_frame);
|
| -
|
| - // listener is not notified again when the retransmit is acked.
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame second_ack_frame = InitAckFrame(2);
|
| - ProcessAckPacket(&second_ack_frame);
|
| -}
|
| -
|
| -// AckNotifierCallback is triggered by the ack of a packet that was
|
| -// previously nacked, even though the retransmission has a different
|
| -// packet number.
|
| -TEST_P(QuicConnectionTest, AckNotifierCallbackForAckOfNackedPacket) {
|
| - // Create a listener which we expect to be called.
|
| - scoped_refptr<MockAckListener> listener(new StrictMock<MockAckListener>);
|
| -
|
| - // Send four packets, and register to be notified on ACK of packet 2.
|
| - connection_.SendStreamDataWithString(3, "foo", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(3, "bar", 0, !kFin, listener.get());
|
| - connection_.SendStreamDataWithString(3, "baz", 0, !kFin, nullptr);
|
| - connection_.SendStreamDataWithString(3, "qux", 0, !kFin, nullptr);
|
| -
|
| - // Now we receive ACK for packets 1, 3, and 4 and lose 2.
|
| - QuicAckFrame frame = InitAckFrame(4);
|
| - NackPacket(2, &frame);
|
| - EXPECT_CALL(*listener, OnPacketRetransmitted(_));
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - SendAlgorithmInterface::CongestionVector lost_packets;
|
| - lost_packets.push_back(std::make_pair(2, kMaxPacketSize));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _))
|
| - .WillOnce(SetArgPointee<4>(lost_packets));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _));
|
| - ProcessAckPacket(&frame);
|
| -
|
| - // Now we get an ACK for packet 2, which was previously nacked.
|
| - EXPECT_CALL(*listener, OnPacketAcked(3, _));
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - QuicAckFrame second_ack_frame = InitAckFrame(4);
|
| - ProcessAckPacket(&second_ack_frame);
|
| -
|
| - // Verify that the listener is not notified again when the
|
| - // retransmit is acked.
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - QuicAckFrame third_ack_frame = InitAckFrame(5);
|
| - ProcessAckPacket(&third_ack_frame);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, OnPacketHeaderDebugVisitor) {
|
| - QuicPacketHeader header;
|
| -
|
| - std::unique_ptr<MockQuicConnectionDebugVisitor> debug_visitor(
|
| - new MockQuicConnectionDebugVisitor());
|
| - connection_.set_debug_visitor(debug_visitor.get());
|
| - EXPECT_CALL(*debug_visitor, OnPacketHeader(Ref(header))).Times(1);
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_)).Times(1);
|
| - EXPECT_CALL(*debug_visitor, OnSuccessfulVersionNegotiation(_)).Times(1);
|
| - connection_.OnPacketHeader(header);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, Pacing) {
|
| - // static_cast here does not work if using multipath_sent_packet_manager.
|
| - FLAGS_quic_enable_multipath = false;
|
| - TestConnection server(connection_id_, kSelfAddress, helper_.get(),
|
| - alarm_factory_.get(), writer_.get(),
|
| - Perspective::IS_SERVER, version());
|
| - TestConnection client(connection_id_, kPeerAddress, helper_.get(),
|
| - alarm_factory_.get(), writer_.get(),
|
| - Perspective::IS_CLIENT, version());
|
| - EXPECT_FALSE(QuicSentPacketManagerPeer::UsingPacing(
|
| - static_cast<const QuicSentPacketManager*>(
|
| - &client.sent_packet_manager())));
|
| - EXPECT_FALSE(QuicSentPacketManagerPeer::UsingPacing(
|
| - static_cast<const QuicSentPacketManager*>(
|
| - &server.sent_packet_manager())));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, WindowUpdateInstigateAcks) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Send a WINDOW_UPDATE frame.
|
| - QuicWindowUpdateFrame window_update;
|
| - window_update.stream_id = 3;
|
| - window_update.byte_offset = 1234;
|
| - EXPECT_CALL(visitor_, OnWindowUpdateFrame(_));
|
| - ProcessFramePacket(QuicFrame(&window_update));
|
| -
|
| - // Ensure that this has caused the ACK alarm to be set.
|
| - QuicAlarm* ack_alarm = QuicConnectionPeer::GetAckAlarm(&connection_);
|
| - EXPECT_TRUE(ack_alarm->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BlockedFrameInstigateAcks) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - // Send a BLOCKED frame.
|
| - QuicBlockedFrame blocked;
|
| - blocked.stream_id = 3;
|
| - EXPECT_CALL(visitor_, OnBlockedFrame(_));
|
| - ProcessFramePacket(QuicFrame(&blocked));
|
| -
|
| - // Ensure that this has caused the ACK alarm to be set.
|
| - QuicAlarm* ack_alarm = QuicConnectionPeer::GetAckAlarm(&connection_);
|
| - EXPECT_TRUE(ack_alarm->IsSet());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, NoDataNoFin) {
|
| - // Make sure that a call to SendStreamWithData, with no data and no FIN, does
|
| - // not result in a QuicAckNotifier being used-after-free (fail under ASAN).
|
| - // Regression test for b/18594622
|
| - scoped_refptr<MockAckListener> listener(new MockAckListener);
|
| - EXPECT_DFATAL(
|
| - connection_.SendStreamDataWithString(3, "", 0, !kFin, listener.get()),
|
| - "Attempt to send empty stream frame");
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, DoNotSendGoAwayTwice) {
|
| - EXPECT_FALSE(connection_.goaway_sent());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendGoAway(QUIC_PEER_GOING_AWAY, kHeadersStreamId, "Going Away.");
|
| - EXPECT_TRUE(connection_.goaway_sent());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(0);
|
| - connection_.SendGoAway(QUIC_PEER_GOING_AWAY, kHeadersStreamId, "Going Away.");
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ReevaluateTimeUntilSendOnAck) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| - connection_.SendStreamDataWithString(kClientDataStreamId1, "foo", 0, !kFin,
|
| - nullptr);
|
| -
|
| - // Evaluate CanWrite, and have it return a non-Zero value.
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(Return(QuicTime::Delta::FromMilliseconds(1)));
|
| - connection_.OnCanWrite();
|
| - EXPECT_TRUE(connection_.GetSendAlarm()->IsSet());
|
| - EXPECT_EQ(clock_.Now() + QuicTime::Delta::FromMilliseconds(1),
|
| - connection_.GetSendAlarm()->deadline());
|
| -
|
| - // Process an ack and the send alarm will be set to the new 2ms delay.
|
| - QuicAckFrame ack = InitAckFrame(1);
|
| - EXPECT_CALL(*loss_algorithm_, DetectLosses(_, _, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
|
| - EXPECT_CALL(*send_algorithm_, TimeUntilSend(_, _))
|
| - .WillRepeatedly(Return(QuicTime::Delta::FromMilliseconds(2)));
|
| - ProcessAckPacket(&ack);
|
| - EXPECT_EQ(1u, writer_->frame_count());
|
| - EXPECT_EQ(1u, writer_->stream_frames().size());
|
| - EXPECT_TRUE(connection_.GetSendAlarm()->IsSet());
|
| - EXPECT_EQ(clock_.Now() + QuicTime::Delta::FromMilliseconds(2),
|
| - connection_.GetSendAlarm()->deadline());
|
| - writer_->Reset();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendAcksImmediately) {
|
| - CongestionBlockWrites();
|
| - SendAckPacketToPeer();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendPingImmediately) {
|
| - CongestionBlockWrites();
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
|
| - connection_.SendPing();
|
| - EXPECT_FALSE(connection_.HasQueuedData());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, SendingUnencryptedStreamDataFails) {
|
| - FLAGS_quic_never_write_unencrypted_data = true;
|
| - EXPECT_CALL(visitor_,
|
| - OnConnectionClosed(QUIC_ATTEMPT_TO_SEND_UNENCRYPTED_STREAM_DATA,
|
| - _, ConnectionCloseSource::FROM_SELF));
|
| - EXPECT_DFATAL(connection_.SendStreamDataWithString(3, "", 0, kFin, nullptr),
|
| - "Cannot send stream data without encryption.");
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, EnableMultipathNegotiation) {
|
| - // Test multipath negotiation during crypto handshake. Multipath is enabled
|
| - // when both endpoints enable multipath.
|
| - ValueRestore<bool> old_flag(&FLAGS_quic_enable_multipath, true);
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_FALSE(QuicConnectionPeer::IsMultipathEnabled(&connection_));
|
| - EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
|
| - QuicConfig config;
|
| - // Enable multipath on server side.
|
| - config.SetMultipathEnabled(true);
|
| -
|
| - // Create a handshake message enables multipath.
|
| - CryptoHandshakeMessage msg;
|
| - string error_details;
|
| - QuicConfig client_config;
|
| - // Enable multipath on client side.
|
| - client_config.SetMultipathEnabled(true);
|
| - client_config.ToHandshakeMessage(&msg);
|
| - const QuicErrorCode error =
|
| - config.ProcessPeerHello(msg, CLIENT, &error_details);
|
| - EXPECT_EQ(QUIC_NO_ERROR, error);
|
| -
|
| - connection_.SetFromConfig(config);
|
| - EXPECT_TRUE(QuicConnectionPeer::IsMultipathEnabled(&connection_));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ClosePath) {
|
| - QuicPathId kTestPathId = 1;
|
| - connection_.SendPathClose(kTestPathId);
|
| - EXPECT_TRUE(QuicFramerPeer::IsPathClosed(
|
| - QuicConnectionPeer::GetFramer(&connection_), kTestPathId));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, BadMultipathFlag) {
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_BAD_MULTIPATH_FLAG, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| -
|
| - // Receieve a packet with multipath flag on when multipath is not enabled.
|
| - EXPECT_TRUE(connection_.connected());
|
| - EXPECT_FALSE(QuicConnectionPeer::IsMultipathEnabled(&connection_));
|
| - peer_creator_.SetCurrentPath(/*path_id=*/1u, 1u, 10u);
|
| - QuicStreamFrame stream_frame(1u, false, 0u, StringPiece());
|
| - EXPECT_DFATAL(
|
| - ProcessFramePacket(QuicFrame(&stream_frame)),
|
| - "Received a packet with multipath flag but multipath is not enabled.");
|
| - EXPECT_FALSE(connection_.connected());
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, OnPathDegrading) {
|
| - QuicByteCount packet_size;
|
| - const size_t kMinTimeoutsBeforePathDegrading = 2;
|
| -
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _))
|
| - .WillOnce(DoAll(SaveArg<3>(&packet_size), Return(true)));
|
| - connection_.SendStreamDataWithString(3, "packet", 0, !kFin, nullptr);
|
| - size_t num_timeouts = kMinTimeoutsBeforePathDegrading +
|
| - QuicSentPacketManagerPeer::GetMaxTailLossProbes(
|
| - QuicConnectionPeer::GetSentPacketManager(
|
| - &connection_, kDefaultPathId));
|
| - for (size_t i = 1; i < num_timeouts; ++i) {
|
| - clock_.AdvanceTime(QuicTime::Delta::FromSeconds(10 * i));
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, packet_size, _));
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| - }
|
| - // Next RTO should cause OnPathDegrading to be called before the
|
| - // retransmission is sent out.
|
| - clock_.AdvanceTime(
|
| - QuicTime::Delta::FromSeconds(kMinTimeoutsBeforePathDegrading * 10));
|
| - {
|
| - InSequence s;
|
| - EXPECT_CALL(visitor_, OnPathDegrading());
|
| - EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, packet_size, _));
|
| - }
|
| - connection_.GetRetransmissionAlarm()->Fire();
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, MultipleCallsToCloseConnection) {
|
| - // Verifies that multiple calls to CloseConnection do not
|
| - // result in multiple attempts to close the connection - it will be marked as
|
| - // disconnected after the first call.
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(_, _, _)).Times(1);
|
| - connection_.CloseConnection(QUIC_NO_ERROR, "no reason",
|
| - ConnectionCloseBehavior::SILENT_CLOSE);
|
| - connection_.CloseConnection(QUIC_NO_ERROR, "no reason",
|
| - ConnectionCloseBehavior::SILENT_CLOSE);
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ServerReceivesChloOnNonCryptoStream) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - set_perspective(Perspective::IS_SERVER);
|
| - QuicPacketCreatorPeer::SetSendVersionInPacket(creator_, false);
|
| -
|
| - CryptoHandshakeMessage message;
|
| - CryptoFramer framer;
|
| - message.set_tag(kCHLO);
|
| - std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
|
| - frame1_.stream_id = 10;
|
| - frame1_.data_buffer = data->data();
|
| - frame1_.data_length = data->length();
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_MAYBE_CORRUPTED_MEMORY, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - ProcessFramePacket(QuicFrame(&frame1_));
|
| -}
|
| -
|
| -TEST_P(QuicConnectionTest, ClientReceivesRejOnNonCryptoStream) {
|
| - EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
|
| -
|
| - CryptoHandshakeMessage message;
|
| - CryptoFramer framer;
|
| - message.set_tag(kREJ);
|
| - std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
|
| - frame1_.stream_id = 10;
|
| - frame1_.data_buffer = data->data();
|
| - frame1_.data_length = data->length();
|
| -
|
| - EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_MAYBE_CORRUPTED_MEMORY, _,
|
| - ConnectionCloseSource::FROM_SELF));
|
| - ProcessFramePacket(QuicFrame(&frame1_));
|
| -}
|
| -
|
| -} // namespace
|
| -} // namespace test
|
| -} // namespace net
|
|
|
Chromium Code Reviews
Issue 2193073003:
Move shared files in net/quic/ into net/quic/core/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master