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Unified Diff: net/quic/quic_framer_test.cc

Issue 11191015: Revert 162259 - Add QuicFramer and friends. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 2 months ago
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Index: net/quic/quic_framer_test.cc
===================================================================
--- net/quic/quic_framer_test.cc (revision 162262)
+++ net/quic/quic_framer_test.cc (working copy)
@@ -1,2157 +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 <algorithm>
-#include <vector>
-
-#include "base/hash_tables.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/stl_util.h"
-#include "net/quic/quic_framer.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_utils.h"
-#include "net/quic/test_tools/quic_test_utils.h"
-
-using base::hash_set;
-using base::StringPiece;
-using std::string;
-using std::vector;
-
-namespace net {
-
-namespace test {
-
-class TestEncrypter : public QuicEncrypter {
- public:
- virtual ~TestEncrypter() {}
- virtual QuicData* Encrypt(StringPiece associated_data,
- StringPiece plaintext) {
- associated_data_ = associated_data.as_string();
- plaintext_ = plaintext.as_string();
- return new QuicData(plaintext.data(), plaintext.length());
- }
- virtual size_t GetMaxPlaintextSize(size_t ciphertext_size) {
- return ciphertext_size;
- }
- virtual size_t GetCiphertextSize(size_t plaintext_size) {
- return plaintext_size;
- }
- string associated_data_;
- string plaintext_;
-};
-
-class TestDecrypter : public QuicDecrypter {
- public:
- virtual ~TestDecrypter() {}
- virtual QuicData* Decrypt(StringPiece associated_data,
- StringPiece ciphertext) {
- associated_data_ = associated_data.as_string();
- ciphertext_ = ciphertext.as_string();
- return new QuicData(ciphertext.data(), ciphertext.length());
- }
- string associated_data_;
- string ciphertext_;
-};
-
-// The offset of congestion info in our tests, given the size of our usual ack
-// fragment. This does NOT work for all packets.
-const int kCongestionInfoOffset = kPacketHeaderSize + 54;
-
-class TestQuicVisitor : public ::net::QuicFramerVisitorInterface {
- public:
- TestQuicVisitor()
- : error_count_(0),
- packet_count_(0),
- fragment_count_(0),
- fec_count_(0),
- complete_packets_(0),
- accept_packet_(true) {
- }
-
- ~TestQuicVisitor() {
- STLDeleteElements(&stream_fragments_);
- STLDeleteElements(&ack_fragments_);
- STLDeleteElements(&fec_data_);
- }
-
- virtual void OnError(QuicFramer* f) {
- DLOG(INFO) << "QuicFramer Error: " << QuicUtils::ErrorToString(f->error())
- << " (" << f->error() << ")";
- error_count_++;
- }
-
- virtual void OnPacket(const IPEndPoint& client_address) {
- address_ = client_address;
- }
-
- virtual bool OnPacketHeader(const QuicPacketHeader& header) {
- packet_count_++;
- header_.reset(new QuicPacketHeader(header));
- return accept_packet_;
- }
-
- virtual void OnStreamFragment(const QuicStreamFragment& fragment) {
- fragment_count_++;
- stream_fragments_.push_back(new QuicStreamFragment(fragment));
- }
-
- virtual void OnFecProtectedPayload(StringPiece payload) {
- fec_protected_payload_ = payload.as_string();
- }
-
- virtual void OnAckFragment(const QuicAckFragment& fragment) {
- fragment_count_++;
- ack_fragments_.push_back(new QuicAckFragment(fragment));
- }
-
- virtual void OnFecData(const QuicFecData& fec) {
- fec_count_++;
- fec_data_.push_back(new QuicFecData(fec));
- }
-
- virtual void OnPacketComplete() {
- complete_packets_++;
- }
-
- virtual void OnRstStreamFragment(const QuicRstStreamFragment& fragment) {
- rst_stream_fragment_ = fragment;
- }
-
- virtual void OnConnectionCloseFragment(
- const QuicConnectionCloseFragment& fragment) {
- connection_close_fragment_ = fragment;
- }
-
- // Counters from the visitor_ callbacks.
- int error_count_;
- int packet_count_;
- int fragment_count_;
- int fec_count_;
- int complete_packets_;
- bool accept_packet_;
-
- IPEndPoint address_;
- scoped_ptr<QuicPacketHeader> header_;
- vector<QuicStreamFragment*> stream_fragments_;
- vector<QuicAckFragment*> ack_fragments_;
- vector<QuicFecData*> fec_data_;
- string fec_protected_payload_;
- QuicRstStreamFragment rst_stream_fragment_;
- QuicConnectionCloseFragment connection_close_fragment_;
-};
-
-class QuicFramerTest : public ::testing::Test {
- public:
- QuicFramerTest()
- : encrypter_(new test::TestEncrypter()),
- decrypter_(new test::TestDecrypter()),
- framer_(decrypter_, encrypter_) {
- framer_.set_visitor(&visitor_);
- }
-
- bool CheckEncryption(StringPiece packet) {
- StringPiece associated_data(
- packet.substr(kStartOfHashData,
- kStartOfEncryptedData - kStartOfHashData));
- if (associated_data != encrypter_->associated_data_) {
- LOG(ERROR) << "Encrypted incorrect associated data. expected "
- << associated_data << " actual: "
- << encrypter_->associated_data_;
- return false;
- }
- StringPiece plaintext(packet.substr(kStartOfEncryptedData));
- if (plaintext != encrypter_->plaintext_) {
- LOG(ERROR) << "Encrypted incorrect plaintext data. expected "
- << plaintext << " actual: "
- << encrypter_->plaintext_;
- return false;
- }
- return true;
- }
-
- bool CheckDecryption(StringPiece packet) {
- StringPiece associated_data(
- packet.substr(kStartOfHashData,
- kStartOfEncryptedData - kStartOfHashData));
- if (associated_data != decrypter_->associated_data_) {
- LOG(ERROR) << "Decrypted incorrect associated data. expected "
- << associated_data << " actual: "
- << decrypter_->associated_data_;
- return false;
- }
- StringPiece plaintext(packet.substr(kStartOfEncryptedData));
- if (plaintext != decrypter_->ciphertext_) {
- LOG(ERROR) << "Decrypted incorrect chipertext data. expected "
- << plaintext << " actual: "
- << decrypter_->ciphertext_;
- return false;
- }
- return true;
- }
-
- char* AsChars(unsigned char* data) {
- return reinterpret_cast<char*>(data);
- }
-
- test::TestEncrypter* encrypter_;
- test::TestDecrypter* decrypter_;
- QuicFramer framer_;
- test::TestQuicVisitor visitor_;
- IPEndPoint address_;
-};
-
-TEST_F(QuicFramerTest, EmptyPacket) {
- char packet[] = { 0x00 };
- EXPECT_FALSE(framer_.ProcessPacket(address_,
- QuicEncryptedPacket(packet, 0, false)));
- EXPECT_EQ(QUIC_INVALID_PACKET_HEADER, framer_.error());
-}
-
-TEST_F(QuicFramerTest, LargePacket) {
- unsigned char packet[kMaxPacketSize + 1] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
- // fragment count
- 0x01,
- };
-
- memset(packet + kPacketHeaderSize, 0, kMaxPacketSize - kPacketHeaderSize + 1);
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- ASSERT_TRUE(visitor_.header_.get());
- // Make sure we've parsed the packet header, so we can send an error.
- EXPECT_EQ(0xFEDCBA9876543210, visitor_.header_->guid);
- // Make sure the correct error is propogated.
- EXPECT_EQ(QUIC_PACKET_TOO_LARGE, framer_.error());
-}
-
-TEST_F(QuicFramerTest, PacketHeader) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
- };
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
- EXPECT_EQ(0xFEDCBA9876543210, visitor_.header_->guid);
- EXPECT_EQ(0x1, visitor_.header_->retransmission_count);
- EXPECT_EQ(static_cast<uint64>(0x123456789ABC),
- visitor_.header_->packet_sequence_number);
- EXPECT_EQ(static_cast<uint64>(0xF0E1D2C3B4A59687),
- visitor_.header_->transmission_time);
- EXPECT_EQ(0x00, visitor_.header_->flags);
- EXPECT_EQ(0x00, visitor_.header_->fec_group);
-
- // Now test framing boundaries
- for (int i = 0; i < 25; ++i) {
- string expected_error;
- if (i < 8) {
- expected_error = "Unable to read GUID.";
- } else if (i < 14) {
- expected_error = "Unable to read sequence number.";
- } else if (i < 15) {
- expected_error = "Unable to read retransmission count.";
- } else if (i < 23) {
- expected_error = "Unable to read transmission time.";
- } else if (i < 24) {
- expected_error = "Unable to read flags.";
- } else if (i < 25) {
- expected_error = "Unable to read fec group.";
- }
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_PACKET_HEADER, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, StreamFragment) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (stream fragment)
- 0x00,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // fin
- 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // data length
- 0x0c, 0x00,
- // data
- 'h', 'e', 'l', 'l',
- 'o', ' ', 'w', 'o',
- 'r', 'l', 'd', '!',
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
- ASSERT_EQ(address_, visitor_.address_);
-
- ASSERT_EQ(1u, visitor_.stream_fragments_.size());
- EXPECT_EQ(0u, visitor_.ack_fragments_.size());
- EXPECT_EQ(static_cast<uint64>(0x01020304),
- visitor_.stream_fragments_[0]->stream_id);
- EXPECT_TRUE(visitor_.stream_fragments_[0]->fin);
- EXPECT_EQ(0xBA98FEDC32107654, visitor_.stream_fragments_[0]->offset);
- EXPECT_EQ("hello world!", visitor_.stream_fragments_[0]->data);
-
- // Now test framing boundaries
- for (size_t i = kPacketHeaderSize; i < kPacketHeaderSize + 29; ++i) {
- string expected_error;
- if (i < kPacketHeaderSize + 1) {
- expected_error = "Unable to read fragment count.";
- } else if (i < kPacketHeaderSize + 2) {
- expected_error = "Unable to read fragment type.";
- } else if (i < kPacketHeaderSize + 6) {
- expected_error = "Unable to read stream_id.";
- } else if (i < kPacketHeaderSize + 7) {
- expected_error = "Unable to read fin.";
- } else if (i < kPacketHeaderSize + 15) {
- expected_error = "Unable to read offset.";
- } else if (i < kPacketHeaderSize + 29) {
- expected_error = "Unable to read fragment data.";
- }
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, RejectPacket) {
- visitor_.accept_packet_ = false;
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (stream fragment)
- 0x00,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // fin
- 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // data length
- 0x0c, 0x00,
- // data
- 'h', 'e', 'l', 'l',
- 'o', ' ', 'w', 'o',
- 'r', 'l', 'd', '!',
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
- ASSERT_EQ(address_, visitor_.address_);
-
- ASSERT_EQ(0u, visitor_.stream_fragments_.size());
- EXPECT_EQ(0u, visitor_.ack_fragments_.size());
-}
-
-TEST_F(QuicFramerTest, RevivedStreamFragment) {
- unsigned char payload[] = {
- // fragment count
- 0x01,
- // fragment type (stream fragment)
- 0x00,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // fin
- 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // data length
- 0x0c, 0x00,
- // data
- 'h', 'e', 'l', 'l',
- 'o', ' ', 'w', 'o',
- 'r', 'l', 'd', '!',
- };
-
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- // Do not encrypt the payload because the revived payload is post-encryption.
- EXPECT_TRUE(framer_.ProcessRevivedPacket(address_,
- header,
- StringPiece(AsChars(payload),
- arraysize(payload))));
-
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_EQ(address_, visitor_.address_);
- ASSERT_TRUE(visitor_.header_.get());
- EXPECT_EQ(0xFEDCBA9876543210, visitor_.header_->guid);
- EXPECT_EQ(0x1, visitor_.header_->retransmission_count);
- EXPECT_EQ(static_cast<uint64>(0x123456789ABC),
- visitor_.header_->packet_sequence_number);
- EXPECT_EQ(static_cast<uint64>(0xF0E1D2C3B4A59687),
- visitor_.header_->transmission_time);
- EXPECT_EQ(0x00, visitor_.header_->flags);
- EXPECT_EQ(0x00, visitor_.header_->fec_group);
-
-
- ASSERT_EQ(1u, visitor_.stream_fragments_.size());
- EXPECT_EQ(0u, visitor_.ack_fragments_.size());
- EXPECT_EQ(static_cast<uint64>(0x01020304),
- visitor_.stream_fragments_[0]->stream_id);
- EXPECT_TRUE(visitor_.stream_fragments_[0]->fin);
- EXPECT_EQ(0xBA98FEDC32107654, visitor_.stream_fragments_[0]->offset);
- EXPECT_EQ("hello world!", visitor_.stream_fragments_[0]->data);
-}
-
-TEST_F(QuicFramerTest, StreamFragmentInFecGroup) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x12, 0x34,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x02,
-
- // fragment count
- 0x01,
- // fragment type (stream fragment)
- 0x00,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // fin
- 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // data length
- 0x0c, 0x00,
- // data
- 'h', 'e', 'l', 'l',
- 'o', ' ', 'w', 'o',
- 'r', 'l', 'd', '!',
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
- EXPECT_EQ(2, visitor_.header_->fec_group);
- EXPECT_EQ(string(AsChars(packet) + kStartOfFecProtectedData,
- arraysize(packet) - kStartOfFecProtectedData),
- visitor_.fec_protected_payload_);
- ASSERT_EQ(address_, visitor_.address_);
-
- ASSERT_EQ(1u, visitor_.stream_fragments_.size());
- EXPECT_EQ(0u, visitor_.ack_fragments_.size());
- EXPECT_EQ(static_cast<uint64>(0x01020304),
- visitor_.stream_fragments_[0]->stream_id);
- EXPECT_TRUE(visitor_.stream_fragments_[0]->fin);
- EXPECT_EQ(0xBA98FEDC32107654, visitor_.stream_fragments_[0]->offset);
- EXPECT_EQ("hello world!", visitor_.stream_fragments_[0]->data);
-}
-
-TEST_F(QuicFramerTest, AckFragment) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (none)
- 0x00,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
- ASSERT_EQ(1u, visitor_.ack_fragments_.size());
- const QuicAckFragment& fragment = *visitor_.ack_fragments_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABC),
- fragment.received_info.largest_received);
- EXPECT_EQ(0xF0E1D2C3B4A59687, fragment.received_info.time_received);
-
- const hash_set<QuicPacketSequenceNumber>* sequence_nums =
- &fragment.received_info.missing_packets;
- ASSERT_EQ(2u, sequence_nums->size());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABB) != sequence_nums->end());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABA) != sequence_nums->end());
- EXPECT_EQ(static_cast<uint64>(0x0123456789AA0),
- fragment.sent_info.least_unacked);
- ASSERT_EQ(3u, fragment.sent_info.non_retransmiting.size());
- const hash_set<QuicPacketSequenceNumber>* non_retrans =
- &fragment.sent_info.non_retransmiting;
- EXPECT_TRUE(non_retrans->find(0x0123456789AB0) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAF) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAE) != non_retrans->end());
- ASSERT_EQ(kNone, fragment.congestion_info.type);
-
- // Now test framing boundaries
- for (size_t i = kPacketHeaderSize; i < kPacketHeaderSize + 55; ++i) {
- string expected_error;
- if (i < kPacketHeaderSize + 1) {
- expected_error = "Unable to read fragment count.";
- } else if (i < kPacketHeaderSize + 2) {
- expected_error = "Unable to read fragment type.";
- } else if (i < kPacketHeaderSize + 8) {
- expected_error = "Unable to read largest received.";
- } else if (i < kPacketHeaderSize + 16) {
- expected_error = "Unable to read time received.";
- } else if (i < kPacketHeaderSize + 17) {
- expected_error = "Unable to read num unacked packets.";
- } else if (i < kPacketHeaderSize + 29) {
- expected_error = "Unable to read sequence number in unacked packets.";
- } else if (i < kPacketHeaderSize + 35) {
- expected_error = "Unable to read least unacked.";
- } else if (i < kPacketHeaderSize + 36) {
- expected_error = "Unable to read num non-retransmitting.";
- } else if (i < kPacketHeaderSize + 54) {
- expected_error = "Unable to read sequence number in non-retransmitting.";
- } else if (i < kPacketHeaderSize + 55) {
- expected_error = "Unable to read congestion info type.";
- }
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, AckFragmentTCP) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (tcp)
- 0x01,
- // ack_fragment.congestion_info.tcp.accumulated_number_of_lost_packets
- 0x01, 0x02,
- // ack_fragment.congestion_info.tcp.receive_window
- 0x03, 0x04,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
- ASSERT_EQ(1u, visitor_.ack_fragments_.size());
- const QuicAckFragment& fragment = *visitor_.ack_fragments_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABC),
- fragment.received_info.largest_received);
- EXPECT_EQ(0xF0E1D2C3B4A59687, fragment.received_info.time_received);
-
- const hash_set<QuicPacketSequenceNumber>* sequence_nums =
- &fragment.received_info.missing_packets;
- ASSERT_EQ(2u, sequence_nums->size());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABB) != sequence_nums->end());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABA) != sequence_nums->end());
- EXPECT_EQ(static_cast<uint64>(0x0123456789AA0),
- fragment.sent_info.least_unacked);
- ASSERT_EQ(3u, fragment.sent_info.non_retransmiting.size());
- const hash_set<QuicPacketSequenceNumber>* non_retrans =
- &fragment.sent_info.non_retransmiting;
- EXPECT_TRUE(non_retrans->find(0x0123456789AB0) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAF) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAE) != non_retrans->end());
- ASSERT_EQ(kTCP, fragment.congestion_info.type);
- EXPECT_EQ(0x0201,
- fragment.congestion_info.tcp.accumulated_number_of_lost_packets);
- EXPECT_EQ(0x0403, fragment.congestion_info.tcp.receive_window);
-
- // Now test framing boundaries
- for (size_t i = kCongestionInfoOffset; i < kCongestionInfoOffset + 5; ++i) {
- string expected_error;
- if (i < kCongestionInfoOffset + 1) {
- expected_error = "Unable to read congestion info type.";
- } else if (i < kCongestionInfoOffset + 3) {
- expected_error = "Unable to read accumulated number of lost packets.";
- } else if (i < kCongestionInfoOffset + 5) {
- expected_error = "Unable to read receive window.";
- }
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, AckFragmentInterArrival) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (inter arrival)
- 0x02,
- // accumulated_number_of_lost_packets
- 0x02, 0x03,
- // offset_time
- 0x04, 0x05,
- // delta_time
- 0x06, 0x07,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
- ASSERT_EQ(1u, visitor_.ack_fragments_.size());
- const QuicAckFragment& fragment = *visitor_.ack_fragments_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABC),
- fragment.received_info.largest_received);
- EXPECT_EQ(0xF0E1D2C3B4A59687, fragment.received_info.time_received);
-
- const hash_set<QuicPacketSequenceNumber>* sequence_nums =
- &fragment.received_info.missing_packets;
- ASSERT_EQ(2u, sequence_nums->size());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABB) != sequence_nums->end());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABA) != sequence_nums->end());
- EXPECT_EQ(static_cast<uint64>(0x0123456789AA0),
- fragment.sent_info.least_unacked);
- ASSERT_EQ(3u, fragment.sent_info.non_retransmiting.size());
- const hash_set<QuicPacketSequenceNumber>* non_retrans =
- &fragment.sent_info.non_retransmiting;
- EXPECT_TRUE(non_retrans->find(0x0123456789AB0) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAF) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAE) != non_retrans->end());
- ASSERT_EQ(kInterArrival, fragment.congestion_info.type);
- EXPECT_EQ(0x0302, fragment.congestion_info.inter_arrival.
- accumulated_number_of_lost_packets);
- EXPECT_EQ(0x0504,
- fragment.congestion_info.inter_arrival.offset_time);
- EXPECT_EQ(0x0706,
- fragment.congestion_info.inter_arrival.delta_time);
-
- // Now test framing boundaries
- for (size_t i = kCongestionInfoOffset; i < kCongestionInfoOffset + 5; ++i) {
- string expected_error;
- if (i < kCongestionInfoOffset + 1) {
- expected_error = "Unable to read congestion info type.";
- } else if (i < kCongestionInfoOffset + 3) {
- expected_error = "Unable to read accumulated number of lost packets.";
- } else if (i < kCongestionInfoOffset + 5) {
- expected_error = "Unable to read offset time.";
- } else if (i < kCongestionInfoOffset + 7) {
- expected_error = "Unable to read delta time.";
- }
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, AckFragmentFixRate) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (fix rate)
- 0x03,
- // bitrate_in_bytes_per_second;
- 0x01, 0x02, 0x03, 0x04,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
- ASSERT_EQ(1u, visitor_.ack_fragments_.size());
- const QuicAckFragment& fragment = *visitor_.ack_fragments_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABC),
- fragment.received_info.largest_received);
- EXPECT_EQ(0xF0E1D2C3B4A59687, fragment.received_info.time_received);
-
- const hash_set<QuicPacketSequenceNumber>* sequence_nums =
- &fragment.received_info.missing_packets;
- ASSERT_EQ(2u, sequence_nums->size());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABB) != sequence_nums->end());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABA) != sequence_nums->end());
- EXPECT_EQ(static_cast<uint64>(0x0123456789AA0),
- fragment.sent_info.least_unacked);
- ASSERT_EQ(3u, fragment.sent_info.non_retransmiting.size());
- const hash_set<QuicPacketSequenceNumber>* non_retrans =
- &fragment.sent_info.non_retransmiting;
- EXPECT_TRUE(non_retrans->find(0x0123456789AB0) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAF) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAE) != non_retrans->end());
- ASSERT_EQ(kFixRate, fragment.congestion_info.type);
- EXPECT_EQ(static_cast<uint32>(0x04030201),
- fragment.congestion_info.fix_rate.bitrate_in_bytes_per_second);
-
- // Now test framing boundaries
- for (size_t i = kCongestionInfoOffset; i < kCongestionInfoOffset + 5; ++i) {
- string expected_error;
- if (i < kCongestionInfoOffset + 1) {
- expected_error = "Unable to read congestion info type.";
- } else if (i < kCongestionInfoOffset + 5) {
- expected_error = "Unable to read bitrate.";
- }
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
- }
-}
-
-
-TEST_F(QuicFramerTest, AckFragmentInvalidFeedback) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (invalid)
- 0x04,
- };
-
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_INVALID_FRAGMENT_DATA, framer_.error());
-}
-
-TEST_F(QuicFramerTest, RstStreamFragment) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (rst stream fragment)
- 0x03,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // details
- 0x08, 0x07, 0x06, 0x05,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
- ASSERT_EQ(address_, visitor_.address_);
-
- EXPECT_EQ(static_cast<uint64>(0x01020304),
- visitor_.rst_stream_fragment_.stream_id);
- EXPECT_EQ(0x05060708, visitor_.rst_stream_fragment_.details);
- EXPECT_EQ(0xBA98FEDC32107654, visitor_.rst_stream_fragment_.offset);
-
- // Now test framing boundaries
- for (size_t i = kPacketHeaderSize + 3; i < kPacketHeaderSize + 18; ++i) {
- string expected_error;
- if (i < kPacketHeaderSize + 6) {
- expected_error = "Unable to read stream_id.";
- } else if (i < kPacketHeaderSize + 14) {
- expected_error = "Unable to read offset in rst fragment.";
- } else if (i < kPacketHeaderSize + 18) {
- expected_error = "Unable to read rst stream details.";
- }
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_RST_STREAM_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, ConnectionCloseFragment) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
-
- // fragment count
- 0x01,
- // fragment type (connection close fragment)
- 0x04,
- // details
- 0x08, 0x07, 0x06, 0x05,
-
- // Ack fragment.
-
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // congestion feedback type (inter arrival)
- 0x02,
- // accumulated_number_of_lost_packets
- 0x02, 0x03,
- // offset_time
- 0x04, 0x05,
- // delta_time
- 0x06, 0x07,
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
-
- EXPECT_EQ(0x05060708, visitor_.connection_close_fragment_.details);
-
- ASSERT_EQ(1u, visitor_.ack_fragments_.size());
- const QuicAckFragment& fragment = *visitor_.ack_fragments_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABC),
- fragment.received_info.largest_received);
- EXPECT_EQ(0xF0E1D2C3B4A59687, fragment.received_info.time_received);
-
- const hash_set<QuicPacketSequenceNumber>* sequence_nums =
- &fragment.received_info.missing_packets;
- ASSERT_EQ(2u, sequence_nums->size());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABB) != sequence_nums->end());
- EXPECT_TRUE(sequence_nums->find(0x0123456789ABA) != sequence_nums->end());
- EXPECT_EQ(static_cast<uint64>(0x0123456789AA0),
- fragment.sent_info.least_unacked);
- ASSERT_EQ(3u, fragment.sent_info.non_retransmiting.size());
- const hash_set<QuicPacketSequenceNumber>* non_retrans =
- &fragment.sent_info.non_retransmiting;
- EXPECT_TRUE(non_retrans->find(0x0123456789AB0) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAF) != non_retrans->end());
- EXPECT_TRUE(non_retrans->find(0x0123456789AAE) != non_retrans->end());
- ASSERT_EQ(kInterArrival, fragment.congestion_info.type);
- EXPECT_EQ(0x0302, fragment.congestion_info.inter_arrival.
- accumulated_number_of_lost_packets);
- EXPECT_EQ(0x0504,
- fragment.congestion_info.inter_arrival.offset_time);
- EXPECT_EQ(0x0706,
- fragment.congestion_info.inter_arrival.delta_time);
-
- // Now test framing boundaries
- for (size_t i = kPacketHeaderSize + 3; i < kPacketHeaderSize + 6; ++i) {
- string expected_error;
- if (i < kPacketHeaderSize + 6) {
- expected_error = "Unable to read connection close details.";
- }
- EXPECT_FALSE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet), i, false)));
- EXPECT_EQ(expected_error, framer_.detailed_error());
- EXPECT_EQ(QUIC_INVALID_CONNECTION_CLOSE_DATA, framer_.error());
- }
-}
-
-TEST_F(QuicFramerTest, FecPacket) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags (FEC)
- 0x01,
- // fec group
- 0x01,
-
- // first protected packet
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // redundancy
- 'a', 'b', 'c', 'd',
- 'e', 'f', 'g', 'h',
- 'i', 'j', 'k', 'l',
- 'm', 'n', 'o', 'p',
- };
-
- EXPECT_TRUE(framer_.ProcessPacket(
- address_, QuicEncryptedPacket(AsChars(packet),
- arraysize(packet), false)));
-
- EXPECT_TRUE(CheckDecryption(StringPiece(AsChars(packet), arraysize(packet))));
- EXPECT_EQ(QUIC_NO_ERROR, framer_.error());
- ASSERT_TRUE(visitor_.header_.get());
-
- EXPECT_EQ(0u, visitor_.stream_fragments_.size());
- EXPECT_EQ(0u, visitor_.ack_fragments_.size());
- ASSERT_EQ(1, visitor_.fec_count_);
- const QuicFecData& fec_data = *visitor_.fec_data_[0];
- EXPECT_EQ(static_cast<uint64>(0x0123456789ABB),
- fec_data.first_protected_packet_sequence_number);
- EXPECT_EQ("abcdefghijklmnop", fec_data.redundancy);
-}
-
-TEST_F(QuicFramerTest, ConstructStreamFragmentPacket) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicStreamFragment stream_fragment;
- stream_fragment.stream_id = 0x01020304;
- stream_fragment.fin = true;
- stream_fragment.offset = 0xBA98FEDC32107654;
- stream_fragment.data = "hello world!";
-
- QuicFragment fragment;
- fragment.type = STREAM_FRAGMENT;
- fragment.stream_fragment = &stream_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (stream fragment)
- 0x00,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // fin
- 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // data length
- 0x0c, 0x00,
- // data
- 'h', 'e', 'l', 'l',
- 'o', ' ', 'w', 'o',
- 'r', 'l', 'd', '!',
- };
-
- QuicPacket* data;
- ASSERT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructAckFragmentPacket) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicAckFragment ack_fragment;
- ack_fragment.received_info.largest_received = 0x0123456789ABC;
- ack_fragment.received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment.sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment.congestion_info.type = kNone;
-
- QuicFragment fragment;
- fragment.type = ACK_FRAGMENT;
- fragment.ack_fragment = &ack_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
-#if defined(OS_WIN)
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
-#if defined(OS_WIN)
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // congestion feedback type (none)
- 0x00,
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructAckFragmentPacketTCP) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicAckFragment ack_fragment;
- ack_fragment.received_info.largest_received = 0x0123456789ABC;
- ack_fragment.received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment.sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment.congestion_info.type = kTCP;
- ack_fragment.congestion_info.tcp.accumulated_number_of_lost_packets = 0x0201;
- ack_fragment.congestion_info.tcp.receive_window = 0x0403;
-
- QuicFragment fragment;
- fragment.type = ACK_FRAGMENT;
- fragment.ack_fragment = &ack_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
-#if defined(OS_WIN)
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
-#if defined(OS_WIN)
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // congestion feedback type (tcp)
- 0x01,
- // ack_fragment.congestion_info.tcp.accumulated_number_of_lost_packets
- 0x01, 0x02,
- // ack_fragment.congestion_info.tcp.receive_window
- 0x03, 0x04,
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructAckFragmentPacketInterArrival) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicAckFragment ack_fragment;
- ack_fragment.received_info.largest_received = 0x0123456789ABC;
- ack_fragment.received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment.sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment.congestion_info.type = kInterArrival;
- ack_fragment.congestion_info.inter_arrival.accumulated_number_of_lost_packets
- = 0x0302;
- ack_fragment.congestion_info.inter_arrival.offset_time = 0x0504;
- ack_fragment.congestion_info.inter_arrival.delta_time = 0x0706;
-
- QuicFragment fragment;
- fragment.type = ACK_FRAGMENT;
- fragment.ack_fragment = &ack_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
-#if defined(OS_WIN)
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
-#if defined(OS_WIN)
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // congestion feedback type (inter arrival)
- 0x02,
- // accumulated_number_of_lost_packets
- 0x02, 0x03,
- // offset_time
- 0x04, 0x05,
- // delta_time
- 0x06, 0x07,
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructAckFragmentPacketFixRate) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicAckFragment ack_fragment;
- ack_fragment.received_info.largest_received = 0x0123456789ABC;
- ack_fragment.received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment.sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment.congestion_info.type = kFixRate;
- ack_fragment.congestion_info.fix_rate.bitrate_in_bytes_per_second
- = 0x04030201;
-
- QuicFragment fragment;
- fragment.type = ACK_FRAGMENT;
- fragment.ack_fragment = &ack_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (ack fragment)
- 0x02,
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
-#if defined(OS_WIN)
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
-#if defined(OS_WIN)
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // congestion feedback type (fix rate)
- 0x03,
- // bitrate_in_bytes_per_second;
- 0x01, 0x02, 0x03, 0x04,
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructAckFragmentPacketInvalidFeedback) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicAckFragment ack_fragment;
- ack_fragment.received_info.largest_received = 0x0123456789ABC;
- ack_fragment.received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment.received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment.sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment.sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment.congestion_info.type =
- static_cast<CongestionFeedbackType>(kFixRate + 1);
-
- QuicFragment fragment;
- fragment.type = ACK_FRAGMENT;
- fragment.ack_fragment = &ack_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- QuicPacket* data;
- EXPECT_FALSE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-}
-
-TEST_F(QuicFramerTest, ConstructRstFragmentPacket) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicRstStreamFragment rst_fragment;
- rst_fragment.stream_id = 0x01020304;
- rst_fragment.details = static_cast<QuicErrorCode>(0x05060708);
- rst_fragment.offset = 0xBA98FEDC32107654;
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (rst stream fragment)
- 0x03,
- // stream id
- 0x04, 0x03, 0x02, 0x01,
- // offset
- 0x54, 0x76, 0x10, 0x32,
- 0xDC, 0xFE, 0x98, 0xBA,
- // details
- 0x08, 0x07, 0x06, 0x05,
- };
-
- QuicFragment fragment(&rst_fragment);
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructCloseFragmentPacket) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicConnectionCloseFragment close_fragment;
- close_fragment.details = static_cast<QuicErrorCode>(0x05060708);
-
- QuicAckFragment* ack_fragment = &close_fragment.ack_fragment;
- ack_fragment->received_info.largest_received = 0x0123456789ABC;
- ack_fragment->received_info.time_received = 0xF0E1D2C3B4A59687;
- ack_fragment->received_info.missing_packets.insert(0x0123456789ABB);
- ack_fragment->received_info.missing_packets.insert(0x0123456789ABA);
- ack_fragment->sent_info.least_unacked = 0x0123456789AA0;
- ack_fragment->sent_info.non_retransmiting.insert(0x0123456789AB0);
- ack_fragment->sent_info.non_retransmiting.insert(0x0123456789AAF);
- ack_fragment->sent_info.non_retransmiting.insert(0x0123456789AAE);
- ack_fragment->congestion_info.type = kInterArrival;
- ack_fragment->congestion_info.inter_arrival.accumulated_number_of_lost_packets
- = 0x0302;
- ack_fragment->congestion_info.inter_arrival.offset_time = 0x0504;
- ack_fragment->congestion_info.inter_arrival.delta_time = 0x0706;
-
- QuicFragment fragment(&close_fragment);
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x00,
- // fec group
- 0x00,
-
- // fragment count
- 0x01,
- // fragment type (connection close fragment)
- 0x04,
- // details
- 0x08, 0x07, 0x06, 0x05,
-
- // Ack fragment.
-
- // largest received packet sequence number
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // time delta
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // num_unacked_packets
- 0x02,
-#if defined(OS_WIN)
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // unacked packet sequence number
- 0xBA, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // unacked packet sequence number
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // least packet sequence number awaiting an ack
- 0xA0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // num non retransmitting packets
- 0x03,
-#if defined(OS_WIN)
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#else
- // non retransmitting packet sequence number
- 0xAE, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xAF, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // non retransmitting packet sequence number
- 0xB0, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
-#endif
- // congestion feedback type (inter arrival)
- 0x02,
- // accumulated_number_of_lost_packets
- 0x02, 0x03,
- // offset_time
- 0x04, 0x05,
- // delta_time
- 0x06, 0x07,
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFragementDataPacket(header, fragments, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, ConstructFecPacket) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 0x01;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_FEC;
- header.fec_group = 1;
-
- QuicFecData fec_data;
- fec_data.fec_group = 1;
- fec_data.first_protected_packet_sequence_number = 0x123456789ABB;
- fec_data.redundancy = "abcdefghijklmnop";
-
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x01,
- // fec group
- 0x01,
- // first protected packet
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // redundancy
- 'a', 'b', 'c', 'd',
- 'e', 'f', 'g', 'h',
- 'i', 'j', 'k', 'l',
- 'm', 'n', 'o', 'p',
- };
-
- QuicPacket* data;
- EXPECT_TRUE(framer_.ConstructFecPacket(header, fec_data, &data));
-
- test::CompareCharArraysWithHexError("constructed packet",
- data->data(), data->length(),
- AsChars(packet), arraysize(packet));
-
- delete data;
-}
-
-TEST_F(QuicFramerTest, IncrementRetransmitCount) {
- QuicPacketHeader header;
- header.guid = 0xFEDCBA9876543210;
- header.retransmission_count = 1;
- header.packet_sequence_number = 0x123456789ABC;
- header.transmission_time = 0xF0E1D2C3B4A59687;
- header.flags = PACKET_FLAGS_NONE;
- header.fec_group = 0;
-
- QuicStreamFragment stream_fragment;
- stream_fragment.stream_id = 0x01020304;
- stream_fragment.fin = true;
- stream_fragment.offset = 0xBA98FEDC32107654;
- stream_fragment.data = "hello world!";
-
- QuicFragment fragment;
- fragment.type = STREAM_FRAGMENT;
- fragment.stream_fragment = &stream_fragment;
-
- QuicFragments fragments;
- fragments.push_back(fragment);
-
- QuicPacket *original;
- ASSERT_TRUE(framer_.ConstructFragementDataPacket(
- header, fragments, &original));
- EXPECT_EQ(header.retransmission_count, framer_.GetRetransmitCount(original));
-
- header.retransmission_count = 2;
- QuicPacket *retransmitted;
- ASSERT_TRUE(framer_.ConstructFragementDataPacket(
- header, fragments, &retransmitted));
-
- framer_.IncrementRetransmitCount(original);
- EXPECT_EQ(header.retransmission_count, framer_.GetRetransmitCount(original));
-
- test::CompareCharArraysWithHexError(
- "constructed packet", original->data(), original->length(),
- retransmitted->data(), retransmitted->length());
- delete original;
- delete retransmitted;
-}
-
-TEST_F(QuicFramerTest, EncryptPacket) {
- unsigned char packet[] = {
- // guid
- 0x10, 0x32, 0x54, 0x76,
- 0x98, 0xBA, 0xDC, 0xFE,
- // packet id
- 0xBC, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // retransmission count
- 0x01,
- // transmission time
- 0x87, 0x96, 0xA5, 0xB4,
- 0xC3, 0xD2, 0xE1, 0xF0,
- // flags
- 0x01,
- // fec group
- 0x01,
- // first protected packet
- 0xBB, 0x9A, 0x78, 0x56,
- 0x34, 0x12,
- // redundancy
- 'a', 'b', 'c', 'd',
- 'e', 'f', 'g', 'h',
- 'i', 'j', 'k', 'l',
- 'm', 'n', 'o', 'p',
- };
-
- scoped_ptr<QuicEncryptedPacket> encrypted(framer_.EncryptPacket(
- QuicPacket(AsChars(packet), arraysize(packet), false)));
- ASSERT_TRUE(encrypted.get() != NULL);
- EXPECT_TRUE(CheckEncryption(StringPiece(AsChars(packet), arraysize(packet))));
-}
-
-} // namespace test
-
-} // namespace net
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