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