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Unified Diff: net/tools/quic/end_to_end_test.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/tools/quic/end_to_end_test.cc
diff --git a/net/tools/quic/end_to_end_test.cc b/net/tools/quic/end_to_end_test.cc
deleted file mode 100644
index 9e7605f6df19b6ed2ff0909caa6adc995eb33df9..0000000000000000000000000000000000000000
--- a/net/tools/quic/end_to_end_test.cc
+++ /dev/null
@@ -1,1455 +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 <stddef.h>
-#include <string>
-#include <sys/epoll.h>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/singleton.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/time/time.h"
-#include "net/base/ip_endpoint.h"
-#include "net/quic/congestion_control/tcp_cubic_sender.h"
-#include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
-#include "net/quic/crypto/null_encrypter.h"
-#include "net/quic/quic_flags.h"
-#include "net/quic/quic_framer.h"
-#include "net/quic/quic_packet_creator.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_server_id.h"
-#include "net/quic/quic_utils.h"
-#include "net/quic/test_tools/quic_connection_peer.h"
-#include "net/quic/test_tools/quic_flow_controller_peer.h"
-#include "net/quic/test_tools/quic_sent_packet_manager_peer.h"
-#include "net/quic/test_tools/quic_session_peer.h"
-#include "net/quic/test_tools/quic_test_utils.h"
-#include "net/quic/test_tools/reliable_quic_stream_peer.h"
-#include "net/test/gtest_util.h"
-#include "net/tools/epoll_server/epoll_server.h"
-#include "net/tools/quic/quic_epoll_connection_helper.h"
-#include "net/tools/quic/quic_in_memory_cache.h"
-#include "net/tools/quic/quic_packet_writer_wrapper.h"
-#include "net/tools/quic/quic_server.h"
-#include "net/tools/quic/quic_socket_utils.h"
-#include "net/tools/quic/quic_spdy_client_stream.h"
-#include "net/tools/quic/test_tools/http_message.h"
-#include "net/tools/quic/test_tools/packet_dropping_test_writer.h"
-#include "net/tools/quic/test_tools/quic_client_peer.h"
-#include "net/tools/quic/test_tools/quic_dispatcher_peer.h"
-#include "net/tools/quic/test_tools/quic_in_memory_cache_peer.h"
-#include "net/tools/quic/test_tools/quic_server_peer.h"
-#include "net/tools/quic/test_tools/quic_test_client.h"
-#include "net/tools/quic/test_tools/server_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using base::StringPiece;
-using base::WaitableEvent;
-using net::EpollServer;
-using net::test::GenerateBody;
-using net::test::QuicConnectionPeer;
-using net::test::QuicFlowControllerPeer;
-using net::test::QuicSentPacketManagerPeer;
-using net::test::QuicSessionPeer;
-using net::test::ReliableQuicStreamPeer;
-using net::test::ValueRestore;
-using net::test::kClientDataStreamId1;
-using net::tools::test::PacketDroppingTestWriter;
-using net::tools::test::QuicDispatcherPeer;
-using net::tools::test::QuicServerPeer;
-using std::ostream;
-using std::string;
-using std::vector;
-
-namespace net {
-namespace tools {
-namespace test {
-namespace {
-
-const char kFooResponseBody[] = "Artichoke hearts make me happy.";
-const char kBarResponseBody[] = "Palm hearts are pretty delicious, also.";
-
-// Run all tests with the cross products of all versions.
-struct TestParams {
- TestParams(const QuicVersionVector& client_supported_versions,
- const QuicVersionVector& server_supported_versions,
- QuicVersion negotiated_version,
- bool use_pacing,
- bool use_fec,
- QuicTag congestion_control_tag)
- : client_supported_versions(client_supported_versions),
- server_supported_versions(server_supported_versions),
- negotiated_version(negotiated_version),
- use_pacing(use_pacing),
- use_fec(use_fec),
- congestion_control_tag(congestion_control_tag) {
- }
-
- friend ostream& operator<<(ostream& os, const TestParams& p) {
- os << "{ server_supported_versions: "
- << QuicVersionVectorToString(p.server_supported_versions);
- os << " client_supported_versions: "
- << QuicVersionVectorToString(p.client_supported_versions);
- os << " negotiated_version: " << QuicVersionToString(p.negotiated_version);
- os << " use_pacing: " << p.use_pacing;
- os << " use_fec: " << p.use_fec;
- os << " congestion_control_tag: "
- << QuicUtils::TagToString(p.congestion_control_tag) << " }";
- return os;
- }
-
- QuicVersionVector client_supported_versions;
- QuicVersionVector server_supported_versions;
- QuicVersion negotiated_version;
- bool use_pacing;
- bool use_fec;
- QuicTag congestion_control_tag;
-};
-
-// Constructs various test permutations.
-vector<TestParams> GetTestParams() {
- vector<TestParams> params;
- QuicVersionVector all_supported_versions = QuicSupportedVersions();
- // TODO(rtenneti): Add kTBBR after BBR code is checked in.
- // QuicTag congestion_control_tags[] = {kRENO, kTBBR, kQBIC};
- QuicTag congestion_control_tags[] = {kRENO, kQBIC};
- QuicVersionVector spdy3_versions;
- QuicVersionVector spdy4_versions;
- for (QuicVersion version : all_supported_versions) {
- if (version > QUIC_VERSION_23) {
- spdy4_versions.push_back(version);
- } else {
- spdy3_versions.push_back(version);
- }
- }
- for (size_t congestion_control_index = 0;
- congestion_control_index < arraysize(congestion_control_tags);
- congestion_control_index++) {
- QuicTag congestion_control_tag =
- congestion_control_tags[congestion_control_index];
- for (int use_fec = 0; use_fec < 2; ++use_fec) {
- for (int use_pacing = 0; use_pacing < 2; ++use_pacing) {
- for (int spdy_version = 3; spdy_version <= 4; ++spdy_version) {
- const QuicVersionVector* client_versions =
- spdy_version == 3 ? &spdy3_versions : &spdy4_versions;
- // Add an entry for server and client supporting all versions.
- params.push_back(TestParams(*client_versions, all_supported_versions,
- (*client_versions)[0], use_pacing != 0,
- use_fec != 0, congestion_control_tag));
-
- // Test client supporting all versions and server supporting 1
- // version. Simulate an old server and exercise version downgrade in
- // the client. Protocol negotiation should occur. Skip the i = 0 case
- // because it is essentially the same as the default case.
- for (QuicVersion version : *client_versions) {
- QuicVersionVector server_supported_versions;
- server_supported_versions.push_back(version);
- params.push_back(
- TestParams(*client_versions, server_supported_versions,
- server_supported_versions[0], use_pacing != 0,
- use_fec != 0, congestion_control_tag));
- }
- }
- }
- }
- }
- return params;
-}
-
-class ServerDelegate : public PacketDroppingTestWriter::Delegate {
- public:
- ServerDelegate(TestWriterFactory* writer_factory,
- QuicDispatcher* dispatcher)
- : writer_factory_(writer_factory),
- dispatcher_(dispatcher) {}
- ~ServerDelegate() override {}
- void OnPacketSent(WriteResult result) override {
- writer_factory_->OnPacketSent(result);
- }
- void OnCanWrite() override { dispatcher_->OnCanWrite(); }
-
- private:
- TestWriterFactory* writer_factory_;
- QuicDispatcher* dispatcher_;
-};
-
-class ClientDelegate : public PacketDroppingTestWriter::Delegate {
- public:
- explicit ClientDelegate(QuicClient* client) : client_(client) {}
- ~ClientDelegate() override {}
- void OnPacketSent(WriteResult result) override {}
- void OnCanWrite() override {
- EpollEvent event(EPOLLOUT, false);
- client_->OnEvent(client_->fd(), &event);
- }
-
- private:
- QuicClient* client_;
-};
-
-class EndToEndTest : public ::testing::TestWithParam<TestParams> {
- protected:
- EndToEndTest()
- : server_hostname_("example.com"),
- server_started_(false),
- strike_register_no_startup_period_(false) {
- net::IPAddressNumber ip;
- CHECK(net::ParseIPLiteralToNumber("127.0.0.1", &ip));
- server_address_ = IPEndPoint(ip, 0);
-
- client_supported_versions_ = GetParam().client_supported_versions;
- server_supported_versions_ = GetParam().server_supported_versions;
- negotiated_version_ = GetParam().negotiated_version;
- FLAGS_enable_quic_fec = GetParam().use_fec;
-
- VLOG(1) << "Using Configuration: " << GetParam();
-
- // Use different flow control windows for client/server.
- client_config_.SetInitialStreamFlowControlWindowToSend(
- 2 * kInitialStreamFlowControlWindowForTest);
- client_config_.SetInitialSessionFlowControlWindowToSend(
- 2 * kInitialSessionFlowControlWindowForTest);
- server_config_.SetInitialStreamFlowControlWindowToSend(
- 3 * kInitialStreamFlowControlWindowForTest);
- server_config_.SetInitialSessionFlowControlWindowToSend(
- 3 * kInitialSessionFlowControlWindowForTest);
-
- QuicInMemoryCachePeer::ResetForTests();
- AddToCache("GET", "https://www.google.com/foo",
- "HTTP/1.1", "200", "OK", kFooResponseBody);
- AddToCache("GET", "https://www.google.com/bar",
- "HTTP/1.1", "200", "OK", kBarResponseBody);
- }
-
- ~EndToEndTest() override {
- // TODO(rtenneti): port RecycleUnusedPort if needed.
- // RecycleUnusedPort(server_address_.port());
- QuicInMemoryCachePeer::ResetForTests();
- }
-
- QuicTestClient* CreateQuicClient(QuicPacketWriterWrapper* writer) {
- QuicTestClient* client = new QuicTestClient(
- server_address_,
- server_hostname_,
- false, // not secure
- client_config_,
- client_supported_versions_);
- client->UseWriter(writer);
- client->Connect();
- return client;
- }
-
- void set_client_initial_stream_flow_control_receive_window(uint32 window) {
- CHECK(client_.get() == nullptr);
- DVLOG(1) << "Setting client initial stream flow control window: " << window;
- client_config_.SetInitialStreamFlowControlWindowToSend(window);
- }
-
- void set_client_initial_session_flow_control_receive_window(uint32 window) {
- CHECK(client_.get() == nullptr);
- DVLOG(1) << "Setting client initial session flow control window: "
- << window;
- client_config_.SetInitialSessionFlowControlWindowToSend(window);
- }
-
- void set_server_initial_stream_flow_control_receive_window(uint32 window) {
- CHECK(server_thread_.get() == nullptr);
- DVLOG(1) << "Setting server initial stream flow control window: "
- << window;
- server_config_.SetInitialStreamFlowControlWindowToSend(window);
- }
-
- void set_server_initial_session_flow_control_receive_window(uint32 window) {
- CHECK(server_thread_.get() == nullptr);
- DVLOG(1) << "Setting server initial session flow control window: "
- << window;
- server_config_.SetInitialSessionFlowControlWindowToSend(window);
- }
-
- const QuicSentPacketManager *
- GetSentPacketManagerFromFirstServerSession() const {
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- QuicSession* session = dispatcher->session_map().begin()->second;
- return &session->connection()->sent_packet_manager();
- }
-
- bool Initialize() {
- QuicTagVector copt;
-
- if (GetParam().use_pacing) {
- copt.push_back(kPACE);
- }
- server_config_.SetConnectionOptionsToSend(copt);
-
- // TODO(nimia): Consider setting the congestion control algorithm for the
- // client as well according to the test parameter.
- copt.push_back(GetParam().congestion_control_tag);
-
- if (GetParam().use_fec) {
- // Set FEC config in client's connection options and in client session.
- copt.push_back(kFHDR);
- }
-
- client_config_.SetConnectionOptionsToSend(copt);
-
- // Start the server first, because CreateQuicClient() attempts
- // to connect to the server.
- StartServer();
- client_.reset(CreateQuicClient(client_writer_));
- if (GetParam().use_fec) {
- // Set FecPolicy to always protect data on all streams.
- client_->SetFecPolicy(FEC_PROTECT_ALWAYS);
- }
- static EpollEvent event(EPOLLOUT, false);
- client_writer_->Initialize(
- reinterpret_cast<QuicEpollConnectionHelper*>(
- QuicConnectionPeer::GetHelper(
- client_->client()->session()->connection())),
- new ClientDelegate(client_->client()));
- return client_->client()->connected();
- }
-
- void SetUp() override {
- // The ownership of these gets transferred to the QuicPacketWriterWrapper
- // and TestWriterFactory when Initialize() is executed.
- client_writer_ = new PacketDroppingTestWriter();
- server_writer_ = new PacketDroppingTestWriter();
- // TODO(ianswett): Remove this once it's fully rolled out.
- FLAGS_quic_enable_pacing = false;
- }
-
- void TearDown() override { StopServer(); }
-
- void StartServer() {
- server_thread_.reset(
- new ServerThread(
- new QuicServer(server_config_, server_supported_versions_),
- server_address_,
- strike_register_no_startup_period_));
- server_thread_->Initialize();
- server_address_ = IPEndPoint(server_address_.address(),
- server_thread_->GetPort());
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- TestWriterFactory* packet_writer_factory = new TestWriterFactory();
- QuicDispatcherPeer::SetPacketWriterFactory(dispatcher,
- packet_writer_factory);
- QuicDispatcherPeer::UseWriter(dispatcher, server_writer_);
- server_writer_->Initialize(
- QuicDispatcherPeer::GetHelper(dispatcher),
- new ServerDelegate(packet_writer_factory, dispatcher));
- server_thread_->Start();
- server_started_ = true;
- }
-
- void StopServer() {
- if (!server_started_)
- return;
- if (server_thread_.get()) {
- server_thread_->Quit();
- server_thread_->Join();
- }
- }
-
- void AddToCache(StringPiece method,
- StringPiece path,
- StringPiece version,
- StringPiece response_code,
- StringPiece response_detail,
- StringPiece body) {
- QuicInMemoryCache::GetInstance()->AddSimpleResponse(
- method, path, version, response_code, response_detail, body);
- }
-
- void SetPacketLossPercentage(int32 loss) {
- // TODO(rtenneti): enable when we can do random packet loss tests in
- // chrome's tree.
- if (loss != 0 && loss != 100)
- return;
- client_writer_->set_fake_packet_loss_percentage(loss);
- server_writer_->set_fake_packet_loss_percentage(loss);
- }
-
- void SetPacketSendDelay(QuicTime::Delta delay) {
- // TODO(rtenneti): enable when we can do random packet send delay tests in
- // chrome's tree.
- // client_writer_->set_fake_packet_delay(delay);
- // server_writer_->set_fake_packet_delay(delay);
- }
-
- void SetReorderPercentage(int32 reorder) {
- // TODO(rtenneti): enable when we can do random packet reorder tests in
- // chrome's tree.
- // client_writer_->set_fake_reorder_percentage(reorder);
- // server_writer_->set_fake_reorder_percentage(reorder);
- }
-
- // Verifies that the client and server connections were both free of packets
- // being discarded, based on connection stats.
- // Calls server_thread_ Pause() and Resume(), which may only be called once
- // per test.
- void VerifyCleanConnection(bool had_packet_loss) {
- QuicConnectionStats client_stats =
- client_->client()->session()->connection()->GetStats();
- if (!had_packet_loss) {
- EXPECT_EQ(0u, client_stats.packets_lost);
- }
- EXPECT_EQ(0u, client_stats.packets_discarded);
- EXPECT_EQ(0u, client_stats.packets_dropped);
- EXPECT_EQ(client_stats.packets_received, client_stats.packets_processed);
-
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- QuicSession* session = dispatcher->session_map().begin()->second;
- QuicConnectionStats server_stats = session->connection()->GetStats();
- if (!had_packet_loss) {
- EXPECT_EQ(0u, server_stats.packets_lost);
- }
- EXPECT_EQ(0u, server_stats.packets_discarded);
- // TODO(ianswett): Restore the check for packets_dropped equals 0.
- // The expect for packets received is equal to packets processed fails
- // due to version negotiation packets.
- server_thread_->Resume();
- }
-
- IPEndPoint server_address_;
- string server_hostname_;
- scoped_ptr<ServerThread> server_thread_;
- scoped_ptr<QuicTestClient> client_;
- PacketDroppingTestWriter* client_writer_;
- PacketDroppingTestWriter* server_writer_;
- bool server_started_;
- QuicConfig client_config_;
- QuicConfig server_config_;
- QuicVersionVector client_supported_versions_;
- QuicVersionVector server_supported_versions_;
- QuicVersion negotiated_version_;
- bool strike_register_no_startup_period_;
-};
-
-// Run all end to end tests with all supported versions.
-INSTANTIATE_TEST_CASE_P(EndToEndTests,
- EndToEndTest,
- ::testing::ValuesIn(GetTestParams()));
-
-TEST_P(EndToEndTest, SimpleRequestResponse) {
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-// TODO(rch): figure out how to detect missing v6 supprt (like on the linux
-// try bots) and selectively disable this test.
-TEST_P(EndToEndTest, DISABLED_SimpleRequestResponsev6) {
- IPAddressNumber ip;
- CHECK(net::ParseIPLiteralToNumber("::1", &ip));
- server_address_ = IPEndPoint(ip, server_address_.port());
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, SeparateFinPacket) {
- ASSERT_TRUE(Initialize());
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.set_has_complete_message(false);
-
- // Send a request in two parts: the request and then an empty packet with FIN.
- client_->SendMessage(request);
- client_->SendData("", true);
- client_->WaitForResponse();
- EXPECT_EQ(kFooResponseBody, client_->response_body());
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- // Now do the same thing but with a content length.
- request.AddBody("foo", true);
- client_->SendMessage(request);
- client_->SendData("", true);
- client_->WaitForResponse();
- EXPECT_EQ(kFooResponseBody, client_->response_body());
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, MultipleRequestResponse) {
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- EXPECT_EQ(kBarResponseBody, client_->SendSynchronousRequest("/bar"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, MultipleClients) {
- ASSERT_TRUE(Initialize());
- scoped_ptr<QuicTestClient> client2(CreateQuicClient(nullptr));
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddHeader("content-length", "3");
- request.set_has_complete_message(false);
-
- client_->SendMessage(request);
- client2->SendMessage(request);
-
- client_->SendData("bar", true);
- client_->WaitForResponse();
- EXPECT_EQ(kFooResponseBody, client_->response_body());
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- client2->SendData("eep", true);
- client2->WaitForResponse();
- EXPECT_EQ(kFooResponseBody, client2->response_body());
- EXPECT_EQ(200u, client2->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, RequestOverMultiplePackets) {
- // Send a large enough request to guarantee fragmentation.
- string huge_request =
- "https://www.google.com/some/path?query=" + string(kMaxPacketSize, '.');
- AddToCache("GET", huge_request, "HTTP/1.1", "200", "OK", kBarResponseBody);
-
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kBarResponseBody, client_->SendSynchronousRequest(huge_request));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, MultiplePacketsRandomOrder) {
- // Send a large enough request to guarantee fragmentation.
- string huge_request =
- "https://www.google.com/some/path?query=" + string(kMaxPacketSize, '.');
- AddToCache("GET", huge_request, "HTTP/1.1", "200", "OK", kBarResponseBody);
-
- ASSERT_TRUE(Initialize());
- SetPacketSendDelay(QuicTime::Delta::FromMilliseconds(2));
- SetReorderPercentage(50);
-
- EXPECT_EQ(kBarResponseBody, client_->SendSynchronousRequest(huge_request));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, PostMissingBytes) {
- ASSERT_TRUE(Initialize());
-
- // Add a content length header with no body.
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddHeader("content-length", "3");
- request.set_skip_message_validation(true);
-
- // This should be detected as stream fin without complete request,
- // triggering an error response.
- client_->SendCustomSynchronousRequest(request);
- EXPECT_EQ("bad", client_->response_body());
- EXPECT_EQ(500u, client_->response_headers()->parsed_response_code());
-}
-
-// TODO(rtenneti): DISABLED_LargePostNoPacketLoss seems to be flaky.
-// http://crbug.com/297040.
-TEST_P(EndToEndTest, DISABLED_LargePostNoPacketLoss) {
- ASSERT_TRUE(Initialize());
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- // 1 MB body.
- string body;
- GenerateBody(&body, 1024 * 1024);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- VerifyCleanConnection(false);
-}
-
-TEST_P(EndToEndTest, LargePostNoPacketLoss1sRTT) {
- ASSERT_TRUE(Initialize());
- SetPacketSendDelay(QuicTime::Delta::FromMilliseconds(1000));
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- // 100 KB body.
- string body;
- GenerateBody(&body, 100 * 1024);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- VerifyCleanConnection(false);
-}
-
-TEST_P(EndToEndTest, LargePostWithPacketLoss) {
- // Connect with lower fake packet loss than we'd like to test. Until
- // b/10126687 is fixed, losing handshake packets is pretty brutal.
- SetPacketLossPercentage(5);
- ASSERT_TRUE(Initialize());
-
- // Wait for the server SHLO before upping the packet loss.
- client_->client()->WaitForCryptoHandshakeConfirmed();
- SetPacketLossPercentage(30);
-
- // 10 KB body.
- string body;
- GenerateBody(&body, 1024 * 10);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- VerifyCleanConnection(true);
-}
-
-TEST_P(EndToEndTest, LargePostWithPacketLossAndBlockedSocket) {
- // Connect with lower fake packet loss than we'd like to test. Until
- // b/10126687 is fixed, losing handshake packets is pretty brutal.
- SetPacketLossPercentage(5);
- ASSERT_TRUE(Initialize());
-
- // Wait for the server SHLO before upping the packet loss.
- client_->client()->WaitForCryptoHandshakeConfirmed();
- SetPacketLossPercentage(10);
- client_writer_->set_fake_blocked_socket_percentage(10);
-
- // 10 KB body.
- string body;
- GenerateBody(&body, 1024 * 10);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
-}
-
-TEST_P(EndToEndTest, LargePostNoPacketLossWithDelayAndReordering) {
- ASSERT_TRUE(Initialize());
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
- // Both of these must be called when the writer is not actively used.
- SetPacketSendDelay(QuicTime::Delta::FromMilliseconds(2));
- SetReorderPercentage(30);
-
- // 1 MB body.
- string body;
- GenerateBody(&body, 1024 * 1024);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
-}
-
-TEST_P(EndToEndTest, LargePostZeroRTTFailure) {
- // Have the server accept 0-RTT without waiting a startup period.
- strike_register_no_startup_period_ = true;
-
- // Send a request and then disconnect. This prepares the client to attempt
- // a 0-RTT handshake for the next request.
- ASSERT_TRUE(Initialize());
-
- string body;
- GenerateBody(&body, 20480);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- EXPECT_EQ(2, client_->client()->session()->GetNumSentClientHellos());
-
- client_->Disconnect();
-
- // The 0-RTT handshake should succeed.
- client_->Connect();
- client_->WaitForResponseForMs(-1);
- ASSERT_TRUE(client_->client()->connected());
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- EXPECT_EQ(1, client_->client()->session()->GetNumSentClientHellos());
-
- client_->Disconnect();
-
- // Restart the server so that the 0-RTT handshake will take 1 RTT.
- StopServer();
- server_writer_ = new PacketDroppingTestWriter();
- StartServer();
-
- client_->Connect();
- ASSERT_TRUE(client_->client()->connected());
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- EXPECT_EQ(2, client_->client()->session()->GetNumSentClientHellos());
- VerifyCleanConnection(false);
-}
-
-TEST_P(EndToEndTest, CorrectlyConfiguredFec) {
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- FecPolicy expected_policy =
- GetParam().use_fec ? FEC_PROTECT_ALWAYS : FEC_PROTECT_OPTIONAL;
-
- // Verify that server's FEC configuration is correct.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- QuicSession* session = dispatcher->session_map().begin()->second;
- EXPECT_EQ(expected_policy,
- QuicSessionPeer::GetHeadersStream(session)->fec_policy());
- server_thread_->Resume();
-
- // Verify that client's FEC configuration is correct.
- EXPECT_EQ(expected_policy,
- QuicSessionPeer::GetHeadersStream(
- client_->client()->session())->fec_policy());
- EXPECT_EQ(expected_policy,
- client_->GetOrCreateStream()->fec_policy());
-}
-
-// TODO(shess): This is flaky on ChromiumOS bots.
-// http://crbug.com/374871
-TEST_P(EndToEndTest, DISABLED_LargePostSmallBandwidthLargeBuffer) {
- ASSERT_TRUE(Initialize());
- SetPacketSendDelay(QuicTime::Delta::FromMicroseconds(1));
- // 256KB per second with a 256KB buffer from server to client. Wireless
- // clients commonly have larger buffers, but our max CWND is 200.
- server_writer_->set_max_bandwidth_and_buffer_size(
- QuicBandwidth::FromBytesPerSecond(256 * 1024), 256 * 1024);
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- // 1 MB body.
- string body;
- GenerateBody(&body, 1024 * 1024);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
-
- EXPECT_EQ(kFooResponseBody, client_->SendCustomSynchronousRequest(request));
- // This connection will not drop packets, because the buffer size is larger
- // than the default receive window.
- VerifyCleanConnection(false);
-}
-
-TEST_P(EndToEndTest, DoNotSetResumeWriteAlarmIfConnectionFlowControlBlocked) {
- // Regression test for b/14677858.
- // Test that the resume write alarm is not set in QuicConnection::OnCanWrite
- // if currently connection level flow control blocked. If set, this results in
- // an infinite loop in the EpollServer, as the alarm fires and is immediately
- // rescheduled.
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- // Ensure both stream and connection level are flow control blocked by setting
- // the send window offset to 0.
- const uint64 kFlowControlWindow =
- server_config_.GetInitialStreamFlowControlWindowToSend();
- QuicSpdyClientStream* stream = client_->GetOrCreateStream();
- QuicSession* session = client_->client()->session();
- QuicFlowControllerPeer::SetSendWindowOffset(stream->flow_controller(), 0);
- QuicFlowControllerPeer::SetSendWindowOffset(session->flow_controller(), 0);
- EXPECT_TRUE(stream->flow_controller()->IsBlocked());
- EXPECT_TRUE(session->flow_controller()->IsBlocked());
-
- // Make sure that the stream has data pending so that it will be marked as
- // write blocked when it receives a stream level WINDOW_UPDATE.
- stream->SendBody("hello", false);
-
- // The stream now attempts to write, fails because it is still connection
- // level flow control blocked, and is added to the write blocked list.
- QuicWindowUpdateFrame window_update(stream->id(), 2 * kFlowControlWindow);
- stream->OnWindowUpdateFrame(window_update);
-
- // Prior to fixing b/14677858 this call would result in an infinite loop in
- // Chromium. As a proxy for detecting this, we now check whether the
- // resume_writes_alarm is set after OnCanWrite. It should not be, as the
- // connection is still flow control blocked.
- session->connection()->OnCanWrite();
-
- QuicAlarm* resume_writes_alarm =
- QuicConnectionPeer::GetResumeWritesAlarm(session->connection());
- EXPECT_FALSE(resume_writes_alarm->IsSet());
-}
-
-TEST_P(EndToEndTest, InvalidStream) {
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- string body;
- GenerateBody(&body, kMaxPacketSize);
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddBody(body, true);
- // Force the client to write with a stream ID belonging to a nonexistent
- // server-side stream.
- QuicSessionPeer::SetNextStreamId(client_->client()->session(), 2);
-
- client_->SendCustomSynchronousRequest(request);
- // EXPECT_EQ(QUIC_STREAM_CONNECTION_ERROR, client_->stream_error());
- EXPECT_EQ(QUIC_PACKET_FOR_NONEXISTENT_STREAM, client_->connection_error());
-}
-
-// TODO(rch): this test seems to cause net_unittests timeouts :|
-TEST_P(EndToEndTest, DISABLED_MultipleTermination) {
- ASSERT_TRUE(Initialize());
-
- HTTPMessage request(HttpConstants::HTTP_1_1,
- HttpConstants::POST, "/foo");
- request.AddHeader("content-length", "3");
- request.set_has_complete_message(false);
-
- // Set the offset so we won't frame. Otherwise when we pick up termination
- // before HTTP framing is complete, we send an error and close the stream,
- // and the second write is picked up as writing on a closed stream.
- QuicSpdyClientStream* stream = client_->GetOrCreateStream();
- ASSERT_TRUE(stream != nullptr);
- ReliableQuicStreamPeer::SetStreamBytesWritten(3, stream);
-
- client_->SendData("bar", true);
- client_->WaitForWriteToFlush();
-
- // By default the stream protects itself from writes after terminte is set.
- // Override this to test the server handling buggy clients.
- ReliableQuicStreamPeer::SetWriteSideClosed(
- false, client_->GetOrCreateStream());
-
- EXPECT_DFATAL(client_->SendData("eep", true), "Fin already buffered");
-}
-
-TEST_P(EndToEndTest, Timeout) {
- client_config_.SetIdleConnectionStateLifetime(
- QuicTime::Delta::FromMicroseconds(500),
- QuicTime::Delta::FromMicroseconds(500));
- // Note: we do NOT ASSERT_TRUE: we may time out during initial handshake:
- // that's enough to validate timeout in this case.
- Initialize();
- while (client_->client()->connected()) {
- client_->client()->WaitForEvents();
- }
-}
-
-TEST_P(EndToEndTest, NegotiateMaxOpenStreams) {
- // Negotiate 1 max open stream.
- client_config_.SetMaxStreamsPerConnection(1, 1);
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- // Make the client misbehave after negotiation.
- const int kServerMaxStreams = kMaxStreamsMinimumIncrement + 1;
- QuicSessionPeer::SetMaxOpenStreams(client_->client()->session(),
- kServerMaxStreams + 1);
-
- HTTPMessage request(HttpConstants::HTTP_1_1, HttpConstants::POST, "/foo");
- request.AddHeader("content-length", "3");
- request.set_has_complete_message(false);
-
- // The server supports a small number of additional streams beyond the
- // negotiated limit. Open enough streams to go beyond that limit.
- for (int i = 0; i < kServerMaxStreams + 1; ++i) {
- client_->SendMessage(request);
- }
- client_->WaitForResponse();
-
- EXPECT_FALSE(client_->connected());
- EXPECT_EQ(QUIC_STREAM_CONNECTION_ERROR, client_->stream_error());
- EXPECT_EQ(QUIC_TOO_MANY_OPEN_STREAMS, client_->connection_error());
-}
-
-TEST_P(EndToEndTest, NegotiateCongestionControl) {
- ValueRestore<bool> old_flag(&FLAGS_quic_allow_bbr, true);
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- CongestionControlType expected_congestion_control_type = kReno;
- switch (GetParam().congestion_control_tag) {
- case kRENO:
- expected_congestion_control_type = kReno;
- break;
- case kTBBR:
- expected_congestion_control_type = kBBR;
- break;
- case kQBIC:
- expected_congestion_control_type = kCubic;
- break;
- default:
- DLOG(FATAL) << "Unexpected congestion control tag";
- }
-
- EXPECT_EQ(expected_congestion_control_type,
- QuicSentPacketManagerPeer::GetSendAlgorithm(
- *GetSentPacketManagerFromFirstServerSession())
- ->GetCongestionControlType());
-}
-
-TEST_P(EndToEndTest, LimitMaxOpenStreams) {
- // Server limits the number of max streams to 2.
- server_config_.SetMaxStreamsPerConnection(2, 2);
- // Client tries to negotiate for 10.
- client_config_.SetMaxStreamsPerConnection(10, 5);
-
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
- QuicConfig* client_negotiated_config = client_->client()->session()->config();
- EXPECT_EQ(2u, client_negotiated_config->MaxStreamsPerConnection());
-}
-
-TEST_P(EndToEndTest, ClientSuggestsRTT) {
- // Client suggests initial RTT, verify it is used.
- const uint32 kInitialRTT = 20000;
- client_config_.SetInitialRoundTripTimeUsToSend(kInitialRTT);
-
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- // Pause the server so we can access the server's internals without races.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- const QuicSentPacketManager& client_sent_packet_manager =
- client_->client()->session()->connection()->sent_packet_manager();
- const QuicSentPacketManager& server_sent_packet_manager =
- *GetSentPacketManagerFromFirstServerSession();
-
- // BBR automatically enables pacing.
- EXPECT_EQ(GetParam().use_pacing ||
- (FLAGS_quic_allow_bbr &&
- GetParam().congestion_control_tag == kTBBR),
- server_sent_packet_manager.using_pacing());
- EXPECT_EQ(GetParam().use_pacing ||
- (FLAGS_quic_allow_bbr &&
- GetParam().congestion_control_tag == kTBBR),
- client_sent_packet_manager.using_pacing());
-
- EXPECT_EQ(kInitialRTT,
- client_sent_packet_manager.GetRttStats()->initial_rtt_us());
- EXPECT_EQ(kInitialRTT,
- server_sent_packet_manager.GetRttStats()->initial_rtt_us());
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, MaxInitialRTT) {
- // Client tries to suggest twice the server's max initial rtt and the server
- // uses the max.
- client_config_.SetInitialRoundTripTimeUsToSend(
- 2 * kMaxInitialRoundTripTimeUs);
-
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- // Pause the server so we can access the server's internals without races.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- QuicSession* session = dispatcher->session_map().begin()->second;
- const QuicSentPacketManager& client_sent_packet_manager =
- client_->client()->session()->connection()->sent_packet_manager();
-
- // Now that acks have been exchanged, the RTT estimate has decreased on the
- // server and is not infinite on the client.
- EXPECT_FALSE(
- client_sent_packet_manager.GetRttStats()->smoothed_rtt().IsInfinite());
- const RttStats& server_rtt_stats =
- *session->connection()->sent_packet_manager().GetRttStats();
- EXPECT_EQ(static_cast<int64>(kMaxInitialRoundTripTimeUs),
- server_rtt_stats.initial_rtt_us());
- EXPECT_GE(static_cast<int64>(kMaxInitialRoundTripTimeUs),
- server_rtt_stats.smoothed_rtt().ToMicroseconds());
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, MinInitialRTT) {
- // Client tries to suggest 0 and the server uses the default.
- client_config_.SetInitialRoundTripTimeUsToSend(0);
-
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- // Pause the server so we can access the server's internals without races.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- QuicSession* session = dispatcher->session_map().begin()->second;
- const QuicSentPacketManager& client_sent_packet_manager =
- client_->client()->session()->connection()->sent_packet_manager();
- const QuicSentPacketManager& server_sent_packet_manager =
- session->connection()->sent_packet_manager();
-
- // Now that acks have been exchanged, the RTT estimate has decreased on the
- // server and is not infinite on the client.
- EXPECT_FALSE(
- client_sent_packet_manager.GetRttStats()->smoothed_rtt().IsInfinite());
- // Expect the default rtt of 100ms.
- EXPECT_EQ(static_cast<int64>(100 * kNumMicrosPerMilli),
- server_sent_packet_manager.GetRttStats()->initial_rtt_us());
- // Ensure the bandwidth is valid.
- client_sent_packet_manager.BandwidthEstimate();
- server_sent_packet_manager.BandwidthEstimate();
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, 0ByteConnectionId) {
- client_config_.SetBytesForConnectionIdToSend(0);
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- QuicPacketHeader* header = QuicConnectionPeer::GetLastHeader(
- client_->client()->session()->connection());
- EXPECT_EQ(PACKET_0BYTE_CONNECTION_ID,
- header->public_header.connection_id_length);
-}
-
-TEST_P(EndToEndTest, 1ByteConnectionId) {
- client_config_.SetBytesForConnectionIdToSend(1);
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- QuicPacketHeader* header = QuicConnectionPeer::GetLastHeader(
- client_->client()->session()->connection());
- EXPECT_EQ(PACKET_1BYTE_CONNECTION_ID,
- header->public_header.connection_id_length);
-}
-
-TEST_P(EndToEndTest, 4ByteConnectionId) {
- client_config_.SetBytesForConnectionIdToSend(4);
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- QuicPacketHeader* header = QuicConnectionPeer::GetLastHeader(
- client_->client()->session()->connection());
- EXPECT_EQ(PACKET_4BYTE_CONNECTION_ID,
- header->public_header.connection_id_length);
-}
-
-TEST_P(EndToEndTest, 8ByteConnectionId) {
- client_config_.SetBytesForConnectionIdToSend(8);
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- QuicPacketHeader* header = QuicConnectionPeer::GetLastHeader(
- client_->client()->session()->connection());
- EXPECT_EQ(PACKET_8BYTE_CONNECTION_ID,
- header->public_header.connection_id_length);
-}
-
-TEST_P(EndToEndTest, 15ByteConnectionId) {
- client_config_.SetBytesForConnectionIdToSend(15);
- ASSERT_TRUE(Initialize());
-
- // Our server is permissive and allows for out of bounds values.
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- QuicPacketHeader* header = QuicConnectionPeer::GetLastHeader(
- client_->client()->session()->connection());
- EXPECT_EQ(PACKET_8BYTE_CONNECTION_ID,
- header->public_header.connection_id_length);
-}
-
-TEST_P(EndToEndTest, ResetConnection) {
- ASSERT_TRUE(Initialize());
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
- client_->ResetConnection();
- EXPECT_EQ(kBarResponseBody, client_->SendSynchronousRequest("/bar"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-}
-
-TEST_P(EndToEndTest, MaxStreamsUberTest) {
- SetPacketLossPercentage(1);
- ASSERT_TRUE(Initialize());
- string large_body;
- GenerateBody(&large_body, 10240);
- int max_streams = 100;
-
- AddToCache("GET", "/large_response", "HTTP/1.1", "200", "OK", large_body);;
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
- SetPacketLossPercentage(10);
-
- for (int i = 0; i < max_streams; ++i) {
- EXPECT_LT(0, client_->SendRequest("/large_response"));
- }
-
- // WaitForEvents waits 50ms and returns true if there are outstanding
- // requests.
- while (client_->client()->WaitForEvents() == true) {
- }
-}
-
-TEST_P(EndToEndTest, StreamCancelErrorTest) {
- ASSERT_TRUE(Initialize());
- string small_body;
- GenerateBody(&small_body, 256);
-
- AddToCache("GET", "/small_response", "HTTP/1.1", "200", "OK", small_body);
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
-
- QuicSession* session = client_->client()->session();
- // Lose the request.
- SetPacketLossPercentage(100);
- EXPECT_LT(0, client_->SendRequest("/small_response"));
- client_->client()->WaitForEvents();
- // Transmit the cancel, and ensure the connection is torn down properly.
- SetPacketLossPercentage(0);
- QuicStreamId stream_id = kClientDataStreamId1;
- session->SendRstStream(stream_id, QUIC_STREAM_CANCELLED, 0);
-
- // WaitForEvents waits 50ms and returns true if there are outstanding
- // requests.
- while (client_->client()->WaitForEvents() == true) {
- }
- // It should be completely fine to RST a stream before any data has been
- // received for that stream.
- EXPECT_EQ(QUIC_NO_ERROR, client_->connection_error());
-}
-
-class WrongAddressWriter : public QuicPacketWriterWrapper {
- public:
- WrongAddressWriter() {
- IPAddressNumber ip;
- CHECK(net::ParseIPLiteralToNumber("127.0.0.2", &ip));
- self_address_ = IPEndPoint(ip, 0);
- }
-
- WriteResult WritePacket(const char* buffer,
- size_t buf_len,
- const IPAddressNumber& real_self_address,
- const IPEndPoint& peer_address) override {
- // Use wrong address!
- return QuicPacketWriterWrapper::WritePacket(
- buffer, buf_len, self_address_.address(), peer_address);
- }
-
- bool IsWriteBlockedDataBuffered() const override { return false; }
-
- IPEndPoint self_address_;
-};
-
-TEST_P(EndToEndTest, ConnectionMigrationClientIPChanged) {
- // Tests that the client's IP can not change during an established QUIC
- // connection. If it changes, the connection is closed by the server as we do
- // not yet support IP migration.
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- WrongAddressWriter* writer = new WrongAddressWriter();
-
- writer->set_writer(new QuicDefaultPacketWriter(client_->client()->fd()));
- QuicConnectionPeer::SetWriter(client_->client()->session()->connection(),
- writer,
- /* owns_writer= */ true);
-
- client_->SendSynchronousRequest("/bar");
-
- EXPECT_EQ(QUIC_STREAM_CONNECTION_ERROR, client_->stream_error());
- EXPECT_EQ(QUIC_ERROR_MIGRATING_ADDRESS, client_->connection_error());
-}
-
-TEST_P(EndToEndTest, ConnectionMigrationClientPortChanged) {
- // Tests that the client's port can change during an established QUIC
- // connection, and that doing so does not result in the connection being
- // closed by the server.
- ASSERT_TRUE(Initialize());
-
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- // Store the client address which was used to send the first request.
- IPEndPoint old_address = client_->client()->client_address();
-
- // Stop listening on the old FD.
- EpollServer* eps = client_->epoll_server();
- int old_fd = client_->client()->fd();
- eps->UnregisterFD(old_fd);
- // Create a new socket before closing the old one, which will result in a new
- // ephemeral port.
- QuicClientPeer::CreateUDPSocket(client_->client());
- close(old_fd);
-
- // The packet writer needs to be updated to use the new FD.
- client_->client()->CreateQuicPacketWriter();
-
- // Change the internal state of the client and connection to use the new port,
- // this is done because in a real NAT rebinding the client wouldn't see any
- // port change, and so expects no change to incoming port.
- // This is kind of ugly, but needed as we are simply swapping out the client
- // FD rather than any more complex NAT rebinding simulation.
- int new_port = client_->client()->client_address().port();
- QuicClientPeer::SetClientPort(client_->client(), new_port);
- QuicConnectionPeer::SetSelfAddress(
- client_->client()->session()->connection(),
- IPEndPoint(
- client_->client()->session()->connection()->self_address().address(),
- new_port));
-
- // Register the new FD for epoll events.
- int new_fd = client_->client()->fd();
- eps->RegisterFD(new_fd, client_->client(), EPOLLIN | EPOLLOUT | EPOLLET);
-
- // Send a second request, using the new FD.
- EXPECT_EQ(kBarResponseBody, client_->SendSynchronousRequest("/bar"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- // Verify that the client's ephemeral port is different.
- IPEndPoint new_address = client_->client()->client_address();
- EXPECT_EQ(old_address.address(), new_address.address());
- EXPECT_NE(old_address.port(), new_address.port());
-}
-
-TEST_P(EndToEndTest, DifferentFlowControlWindows) {
- // Client and server can set different initial flow control receive windows.
- // These are sent in CHLO/SHLO. Tests that these values are exchanged properly
- // in the crypto handshake.
- const uint32 kClientStreamIFCW = 123456;
- const uint32 kClientSessionIFCW = 234567;
- set_client_initial_stream_flow_control_receive_window(kClientStreamIFCW);
- set_client_initial_session_flow_control_receive_window(kClientSessionIFCW);
-
- const uint32 kServerStreamIFCW = 654321;
- const uint32 kServerSessionIFCW = 765432;
- set_server_initial_stream_flow_control_receive_window(kServerStreamIFCW);
- set_server_initial_session_flow_control_receive_window(kServerSessionIFCW);
-
- ASSERT_TRUE(Initialize());
-
- // Values are exchanged during crypto handshake, so wait for that to finish.
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- // Open a data stream to make sure the stream level flow control is updated.
- QuicSpdyClientStream* stream = client_->GetOrCreateStream();
- stream->SendBody("hello", false);
-
- // Client should have the right values for server's receive window.
- EXPECT_EQ(kServerStreamIFCW,
- client_->client()
- ->session()
- ->config()
- ->ReceivedInitialStreamFlowControlWindowBytes());
- EXPECT_EQ(kServerSessionIFCW,
- client_->client()
- ->session()
- ->config()
- ->ReceivedInitialSessionFlowControlWindowBytes());
- EXPECT_EQ(kServerStreamIFCW, QuicFlowControllerPeer::SendWindowOffset(
- stream->flow_controller()));
- EXPECT_EQ(kServerSessionIFCW,
- QuicFlowControllerPeer::SendWindowOffset(
- client_->client()->session()->flow_controller()));
-
- // Server should have the right values for client's receive window.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- QuicSession* session = dispatcher->session_map().begin()->second;
- EXPECT_EQ(kClientStreamIFCW,
- session->config()->ReceivedInitialStreamFlowControlWindowBytes());
- EXPECT_EQ(kClientSessionIFCW,
- session->config()->ReceivedInitialSessionFlowControlWindowBytes());
- EXPECT_EQ(kClientSessionIFCW, QuicFlowControllerPeer::SendWindowOffset(
- session->flow_controller()));
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, HeadersAndCryptoStreamsNoConnectionFlowControl) {
- // The special headers and crypto streams should be subject to per-stream flow
- // control limits, but should not be subject to connection level flow control.
- const uint32 kStreamIFCW = 123456;
- const uint32 kSessionIFCW = 234567;
- set_client_initial_stream_flow_control_receive_window(kStreamIFCW);
- set_client_initial_session_flow_control_receive_window(kSessionIFCW);
- set_server_initial_stream_flow_control_receive_window(kStreamIFCW);
- set_server_initial_session_flow_control_receive_window(kSessionIFCW);
-
- ASSERT_TRUE(Initialize());
-
- // Wait for crypto handshake to finish. This should have contributed to the
- // crypto stream flow control window, but not affected the session flow
- // control window.
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- QuicCryptoStream* crypto_stream =
- QuicSessionPeer::GetCryptoStream(client_->client()->session());
- EXPECT_LT(
- QuicFlowControllerPeer::SendWindowSize(crypto_stream->flow_controller()),
- kStreamIFCW);
- EXPECT_EQ(kSessionIFCW, QuicFlowControllerPeer::SendWindowSize(
- client_->client()->session()->flow_controller()));
-
- // Send a request with no body, and verify that the connection level window
- // has not been affected.
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
-
- QuicHeadersStream* headers_stream =
- QuicSessionPeer::GetHeadersStream(client_->client()->session());
- EXPECT_LT(
- QuicFlowControllerPeer::SendWindowSize(headers_stream->flow_controller()),
- kStreamIFCW);
- EXPECT_EQ(kSessionIFCW, QuicFlowControllerPeer::SendWindowSize(
- client_->client()->session()->flow_controller()));
-
- // Server should be in a similar state: connection flow control window should
- // not have any bytes marked as received.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- QuicSession* session = dispatcher->session_map().begin()->second;
- QuicFlowController* server_connection_flow_controller =
- session->flow_controller();
- EXPECT_EQ(kSessionIFCW, QuicFlowControllerPeer::ReceiveWindowSize(
- server_connection_flow_controller));
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, RequestWithNoBodyWillNeverSendStreamFrameWithFIN) {
- // Regression test for b/16010251.
- // A stream created on receipt of a simple request with no body will never get
- // a stream frame with a FIN. Verify that we don't keep track of the stream in
- // the locally closed streams map: it will never be removed if so.
- ASSERT_TRUE(Initialize());
-
- // Send a simple headers only request, and receive response.
- EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- // Now verify that the server is not waiting for a final FIN or RST.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- QuicSession* session = dispatcher->session_map().begin()->second;
- EXPECT_EQ(0u, QuicSessionPeer::GetLocallyClosedStreamsHighestOffset(
- session).size());
- server_thread_->Resume();
-}
-
-TEST_P(EndToEndTest, EnablePacingViaFlag) {
- // When pacing is enabled via command-line flag, it will always be enabled,
- // regardless of the config. or the specific congestion-control algorithm.
- ValueRestore<bool> old_flag(&FLAGS_quic_enable_pacing, true);
- ASSERT_TRUE(Initialize());
-
- client_->client()->WaitForCryptoHandshakeConfirmed();
- server_thread_->WaitForCryptoHandshakeConfirmed();
-
- // Pause the server so we can access the server's internals without races.
- server_thread_->Pause();
- QuicDispatcher* dispatcher =
- QuicServerPeer::GetDispatcher(server_thread_->server());
- ASSERT_EQ(1u, dispatcher->session_map().size());
- const QuicSentPacketManager& client_sent_packet_manager =
- client_->client()->session()->connection()->sent_packet_manager();
- const QuicSentPacketManager& server_sent_packet_manager =
- *GetSentPacketManagerFromFirstServerSession();
- EXPECT_TRUE(server_sent_packet_manager.using_pacing());
- EXPECT_TRUE(client_sent_packet_manager.using_pacing());
-}
-
-// A TestAckNotifierDelegate verifies that its OnAckNotification method has been
-// called exactly once on destruction.
-class TestAckNotifierDelegate : public QuicAckNotifier::DelegateInterface {
- public:
- TestAckNotifierDelegate() {}
-
- void OnAckNotification(int /*num_retransmitted_packets*/,
- int /*num_retransmitted_bytes*/,
- QuicTime::Delta /*delta_largest_observed*/) override {
- ASSERT_FALSE(has_been_notified_);
- has_been_notified_ = true;
- }
-
- bool has_been_notified() const { return has_been_notified_; }
-
- protected:
- // Object is ref counted.
- ~TestAckNotifierDelegate() override { EXPECT_TRUE(has_been_notified_); }
-
- private:
- bool has_been_notified_ = false;
-};
-
-TEST_P(EndToEndTest, AckNotifierWithPacketLossAndBlockedSocket) {
- // Verify that even in the presence of packet loss and occasionally blocked
- // socket, an AckNotifierDelegate will get informed that the data it is
- // interested in has been ACKed. This tests end-to-end ACK notification, and
- // demonstrates that retransmissions do not break this functionality.
- ValueRestore<bool> old_flag(&FLAGS_quic_attach_ack_notifiers_to_packets,
- true);
-
- SetPacketLossPercentage(5);
- ASSERT_TRUE(Initialize());
-
- // Wait for the server SHLO before upping the packet loss.
- client_->client()->WaitForCryptoHandshakeConfirmed();
- SetPacketLossPercentage(30);
- client_writer_->set_fake_blocked_socket_percentage(10);
-
- // Create a POST request and send the headers only.
- HTTPMessage request(HttpConstants::HTTP_1_1, HttpConstants::POST, "/foo");
- request.set_has_complete_message(false);
- client_->SendMessage(request);
-
- // The TestAckNotifierDelegate will cause a failure if not notified.
- scoped_refptr<TestAckNotifierDelegate> delegate(new TestAckNotifierDelegate);
-
- // Test the AckNotifier's ability to track multiple packets by making the
- // request body exceed the size of a single packet.
- string request_string =
- "a request body bigger than one packet" + string(kMaxPacketSize, '.');
-
- // Send the request, and register the delegate for ACKs.
- client_->SendData(request_string, true, delegate.get());
- client_->WaitForResponse();
- EXPECT_EQ(kFooResponseBody, client_->response_body());
- EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
-
- // Send another request to flush out any pending ACKs on the server.
- client_->SendSynchronousRequest(request_string);
-
- // Pause the server to avoid races.
- server_thread_->Pause();
- // Make sure the delegate does get the notification it expects.
- while (!delegate->has_been_notified()) {
- // Waits for up to 50 ms.
- client_->client()->WaitForEvents();
- }
- server_thread_->Resume();
-}
-
-} // namespace
-} // namespace test
-} // namespace tools
-} // namespace net
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