net/quic/quic_end_to_end_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/basictypes.h"
   6 #include "base/compiler_specific.h"
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/stl_util.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "net/base/elements_upload_data_stream.h"
  11 #include "net/base/test_completion_callback.h"
  12 #include "net/base/upload_bytes_element_reader.h"
  13 #include "net/base/upload_data_stream.h"
  14 #include "net/cert/mock_cert_verifier.h"
  15 #include "net/dns/mapped_host_resolver.h"
  16 #include "net/dns/mock_host_resolver.h"
  17 #include "net/http/http_auth_handler_factory.h"
  18 #include "net/http/http_network_session.h"
  19 #include "net/http/http_network_transaction.h"
  20 #include "net/http/http_server_properties_impl.h"
  21 #include "net/http/http_transaction_test_util.h"
  22 #include "net/http/transport_security_state.h"
  23 #include "net/proxy/proxy_service.h"
  24 #include "net/quic/test_tools/quic_test_utils.h"
  25 #include "net/ssl/ssl_config_service_defaults.h"
  26 #include "net/tools/quic/quic_in_memory_cache.h"
  27 #include "net/tools/quic/quic_server.h"
  28 #include "net/tools/quic/test_tools/quic_in_memory_cache_peer.h"
  29 #include "net/tools/quic/test_tools/server_thread.h"
  30 #include "testing/gtest/include/gtest/gtest.h"
  31 #include "testing/platform_test.h"
  32
  33 using base::StringPiece;
  34 using net::tools::QuicInMemoryCache;
  35 using net::tools::QuicServer;
  36 using net::tools::test::QuicInMemoryCachePeer;
  37 using net::tools::test::ServerThread;
  38
  39 namespace net {
  40 namespace test {
  41
  42 namespace {
  43
  44 const char kResponseBody[] = "some arbitrary response body";
  45
  46 // Factory for creating HttpTransactions, used by TestTransactionConsumer.
  47 class TestTransactionFactory : public HttpTransactionFactory {
  48  public:
  49   TestTransactionFactory(const HttpNetworkSession::Params& params)
  50       : session_(new HttpNetworkSession(params)) {}
  51
  52   ~TestTransactionFactory() override {}
  53
  54   // HttpTransactionFactory methods
  55   int CreateTransaction(RequestPriority priority,
  56                         scoped_ptr<HttpTransaction>* trans) override {
  57     trans->reset(new HttpNetworkTransaction(priority, session_.get()));
  58     return OK;
  59   }
  60
  61   HttpCache* GetCache() override { return nullptr; }
  62
  63   HttpNetworkSession* GetSession() override { return session_.get(); };
  64
  65  private:
  66   scoped_refptr<HttpNetworkSession> session_;
  67 };
  68
  69 }  // namespace
  70
  71 class QuicEndToEndTest : public PlatformTest {
  72  protected:
  73   QuicEndToEndTest()
  74       : host_resolver_impl_(CreateResolverImpl()),
  75         host_resolver_(host_resolver_impl_.Pass()),
  76         ssl_config_service_(new SSLConfigServiceDefaults),
  77         proxy_service_(ProxyService::CreateDirect()),
  78         auth_handler_factory_(
  79             HttpAuthHandlerFactory::CreateDefault(&host_resolver_)),
  80         strike_register_no_startup_period_(false) {
  81     request_.method = "GET";
  82     request_.url = GURL("http://www.google.com/");
  83     request_.load_flags = 0;
  84
  85     params_.enable_quic = true;
  86     params_.quic_clock = nullptr;
  87     params_.quic_random = nullptr;
  88     params_.host_resolver = &host_resolver_;
  89     params_.cert_verifier = &cert_verifier_;
  90     params_.transport_security_state = &transport_security_state_;
  91     params_.proxy_service = proxy_service_.get();
  92     params_.ssl_config_service = ssl_config_service_.get();
  93     params_.http_auth_handler_factory = auth_handler_factory_.get();
  94     params_.http_server_properties = http_server_properties.GetWeakPtr();
  95   }
  96
  97   // Creates a mock host resolver in which www.google.com
  98   // resolves to localhost.
  99   static MockHostResolver* CreateResolverImpl() {
 100     MockHostResolver* resolver = new MockHostResolver();
 101     resolver->rules()->AddRule("www.google.com", "127.0.0.1");
 102     return resolver;
 103   }
 104
 105   void SetUp() override {
 106     QuicInMemoryCachePeer::ResetForTests();
 107     StartServer();
 108
 109     // Use a mapped host resolver so that request for www.google.com (port 80)
 110     // reach the server running on localhost.
 111     std::string map_rule = "MAP www.google.com www.google.com:" +
 112         base::IntToString(server_thread_->GetPort());
 113     EXPECT_TRUE(host_resolver_.AddRuleFromString(map_rule));
 114
 115     // To simplify the test, and avoid the race with the HTTP request, we force
 116     // QUIC for these requests.
 117     params_.origin_to_force_quic_on =
 118         HostPortPair::FromString("www.google.com:80");
 119
 120     transaction_factory_.reset(new TestTransactionFactory(params_));
 121   }
 122
 123   void TearDown() override {
 124     StopServer();
 125     QuicInMemoryCachePeer::ResetForTests();
 126   }
 127
 128   // Starts the QUIC server listening on a random port.
 129   void StartServer() {
 130     net::IPAddressNumber ip;
 131     CHECK(net::ParseIPLiteralToNumber("127.0.0.1", &ip));
 132     server_address_ = IPEndPoint(ip, 0);
 133     server_config_.SetInitialFlowControlWindowToSend(
 134         kInitialSessionFlowControlWindowForTest);
 135     server_config_.SetInitialStreamFlowControlWindowToSend(
 136         kInitialStreamFlowControlWindowForTest);
 137     server_config_.SetInitialSessionFlowControlWindowToSend(
 138         kInitialSessionFlowControlWindowForTest);
 139     server_thread_.reset(new ServerThread(
 140          new QuicServer(server_config_, QuicSupportedVersions()),
 141          server_address_,
 142          strike_register_no_startup_period_));
 143     server_thread_->Initialize();
 144     server_address_ = IPEndPoint(server_address_.address(),
 145                                  server_thread_->GetPort());
 146     server_thread_->Start();
 147     server_started_ = true;
 148   }
 149
 150   // Stops the QUIC server.
 151   void StopServer() {
 152     if (!server_started_) {
 153       return;
 154     }
 155     if (server_thread_.get()) {
 156       server_thread_->Quit();
 157       server_thread_->Join();
 158     }
 159   }
 160
 161   // Adds an entry to the cache used by the QUIC server to serve
 162   // responses.
 163   void AddToCache(const StringPiece& method,
 164                   const StringPiece& path,
 165                   const StringPiece& version,
 166                   const StringPiece& response_code,
 167                   const StringPiece& response_detail,
 168                   const StringPiece& body) {
 169     QuicInMemoryCache::GetInstance()->AddSimpleResponse(
 170         method, path, version, response_code, response_detail, body);
 171   }
 172
 173   // Populates |request_body_| with |length_| ASCII bytes.
 174   void GenerateBody(size_t length) {
 175     request_body_.clear();
 176     request_body_.reserve(length);
 177     for (size_t i = 0; i < length; ++i) {
 178       request_body_.append(1, static_cast<char>(32 + i % (126 - 32)));
 179     }
 180   }
 181
 182   // Initializes |request_| for a post of |length| bytes.
 183   void InitializePostRequest(size_t length) {
 184     GenerateBody(length);
 185     ScopedVector<UploadElementReader> element_readers;
 186     element_readers.push_back(
 187         new UploadBytesElementReader(request_body_.data(),
 188                                      request_body_.length()));
 189     upload_data_stream_.reset(
 190         new ElementsUploadDataStream(element_readers.Pass(), 0));
 191     request_.method = "POST";
 192     request_.url = GURL("http://www.google.com/");
 193     request_.upload_data_stream = upload_data_stream_.get();
 194     ASSERT_EQ(OK, request_.upload_data_stream->Init(CompletionCallback()));
 195   }
 196
 197   // Checks that |consumer| completed and received |status_line| and |body|.
 198   void CheckResponse(const TestTransactionConsumer& consumer,
 199                      const std::string& status_line,
 200                      const std::string& body) {
 201     ASSERT_TRUE(consumer.is_done());
 202     EXPECT_EQ(OK, consumer.error());
 203     EXPECT_EQ(status_line,
 204               consumer.response_info()->headers->GetStatusLine());
 205     EXPECT_EQ(body, consumer.content());
 206   }
 207
 208   scoped_ptr<MockHostResolver> host_resolver_impl_;
 209   MappedHostResolver host_resolver_;
 210   MockCertVerifier cert_verifier_;
 211   TransportSecurityState transport_security_state_;
 212   scoped_refptr<SSLConfigServiceDefaults> ssl_config_service_;
 213   scoped_ptr<ProxyService> proxy_service_;
 214   scoped_ptr<HttpAuthHandlerFactory> auth_handler_factory_;
 215   HttpServerPropertiesImpl http_server_properties;
 216   HttpNetworkSession::Params params_;
 217   scoped_ptr<TestTransactionFactory> transaction_factory_;
 218   HttpRequestInfo request_;
 219   std::string request_body_;
 220   scoped_ptr<UploadDataStream> upload_data_stream_;
 221   scoped_ptr<ServerThread> server_thread_;
 222   IPEndPoint server_address_;
 223   std::string server_hostname_;
 224   QuicConfig server_config_;
 225   bool server_started_;
 226   bool strike_register_no_startup_period_;
 227 };
 228
 229 TEST_F(QuicEndToEndTest, LargeGetWithNoPacketLoss) {
 230   std::string response(10 * 1024, 'x');
 231
 232   AddToCache("GET", request_.url.spec(),
 233              "HTTP/1.1", "200", "OK",
 234              response);
 235
 236   TestTransactionConsumer consumer(DEFAULT_PRIORITY,
 237                                    transaction_factory_.get());
 238   consumer.Start(&request_, BoundNetLog());
 239
 240   // Will terminate when the last consumer completes.
 241   base::MessageLoop::current()->Run();
 242
 243   CheckResponse(consumer, "HTTP/1.1 200 OK", response);
 244 }
 245
 246 // http://crbug.com/307284
 247 TEST_F(QuicEndToEndTest, DISABLED_LargePostWithNoPacketLoss) {
 248   InitializePostRequest(10 * 1024 * 1024);
 249
 250   AddToCache("POST", request_.url.spec(),
 251              "HTTP/1.1", "200", "OK",
 252              kResponseBody);
 253
 254   TestTransactionConsumer consumer(DEFAULT_PRIORITY,
 255                                    transaction_factory_.get());
 256   consumer.Start(&request_, BoundNetLog());
 257
 258   // Will terminate when the last consumer completes.
 259   base::MessageLoop::current()->Run();
 260
 261   CheckResponse(consumer, "HTTP/1.1 200 OK", kResponseBody);
 262 }
 263
 264 TEST_F(QuicEndToEndTest, LargePostWithPacketLoss) {
 265   // FLAGS_fake_packet_loss_percentage = 30;
 266   InitializePostRequest(1024 * 1024);
 267
 268   const char kResponseBody[] = "some really big response body";
 269   AddToCache("POST", request_.url.spec(),
 270              "HTTP/1.1", "200", "OK",
 271              kResponseBody);
 272
 273   TestTransactionConsumer consumer(DEFAULT_PRIORITY,
 274                                    transaction_factory_.get());
 275   consumer.Start(&request_, BoundNetLog());
 276
 277   // Will terminate when the last consumer completes.
 278   base::MessageLoop::current()->Run();
 279
 280   CheckResponse(consumer, "HTTP/1.1 200 OK", kResponseBody);
 281 }
 282
 283 TEST_F(QuicEndToEndTest, UberTest) {
 284   // FLAGS_fake_packet_loss_percentage = 30;
 285
 286   const char kResponseBody[] = "some really big response body";
 287   AddToCache("GET", request_.url.spec(),
 288              "HTTP/1.1", "200", "OK",
 289              kResponseBody);
 290
 291   std::vector<TestTransactionConsumer*> consumers;
 292   size_t num_requests = 100;
 293   for (size_t i = 0; i < num_requests; ++i) {
 294       TestTransactionConsumer* consumer =
 295           new TestTransactionConsumer(DEFAULT_PRIORITY,
 296                                       transaction_factory_.get());
 297       consumers.push_back(consumer);
 298       consumer->Start(&request_, BoundNetLog());
 299   }
 300
 301   // Will terminate when the last consumer completes.
 302   base::MessageLoop::current()->Run();
 303
 304   for (size_t i = 0; i < num_requests; ++i) {
 305     CheckResponse(*consumers[i], "HTTP/1.1 200 OK", kResponseBody);
 306   }
 307   STLDeleteElements(&consumers);
 308 }
 309
 310 }  // namespace test
 311 }  // namespace net