Landing Recent QUIC changes until 4/15/2016 17:20 UTC

net/tools/quic/quic_dispatcher_test.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/tools/quic/quic_dispatcher.h"
 
+#include <memory>
 #include <ostream>
 #include <string>
 
 #include "base/macros.h"
 #include "base/strings/string_piece.h"
 #include "net/quic/crypto/crypto_handshake.h"
 #include "net/quic/crypto/quic_crypto_server_config.h"
 #include "net/quic/crypto/quic_random.h"
 #include "net/quic/quic_chromium_connection_helper.h"
 #include "net/quic/quic_crypto_stream.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "net/tools/epoll_server/epoll_server.h"
+#include "net/tools/quic/quic_epoll_alarm_factory.h"
 #include "net/tools/quic/quic_epoll_connection_helper.h"
 #include "net/tools/quic/quic_packet_writer_wrapper.h"
 #include "net/tools/quic/quic_time_wait_list_manager.h"
 #include "net/tools/quic/test_tools/mock_quic_time_wait_list_manager.h"
 #include "net/tools/quic/test_tools/quic_dispatcher_peer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::StringPiece;
 using net::EpollServer;
@@ skipping 60 matching lines @@
 
 class TestDispatcher : public QuicDispatcher {
  public:
   TestDispatcher(const QuicConfig& config,
                  const QuicCryptoServerConfig* crypto_config,
                  EpollServer* eps)
       : QuicDispatcher(
             config,
             crypto_config,
             QuicSupportedVersions(),
-            new QuicEpollConnectionHelper(eps, QuicAllocator::BUFFER_POOL)) {}
+            std::unique_ptr<QuicEpollConnectionHelper>(
+                new QuicEpollConnectionHelper(eps, QuicAllocator::BUFFER_POOL)),
+            std::unique_ptr<QuicEpollAlarmFactory>(
+                new QuicEpollAlarmFactory(eps))) {}
 
   MOCK_METHOD2(CreateQuicSession,
                QuicServerSessionBase*(QuicConnectionId connection_id,
                                       const IPEndPoint& client_address));
 
   using QuicDispatcher::current_server_address;
   using QuicDispatcher::current_client_address;
 };
 
 // A Connection class which unregisters the session from the dispatcher when
 // sending connection close.
 // It'd be slightly more realistic to do this from the Session but it would
 // involve a lot more mocking.
 class MockServerConnection : public MockConnection {
  public:
   MockServerConnection(QuicConnectionId connection_id,
                        MockConnectionHelper* helper,
+                       MockAlarmFactory* alarm_factory,
                        QuicDispatcher* dispatcher)
-      : MockConnection(connection_id, helper, Perspective::IS_SERVER),
+      : MockConnection(connection_id,
+                       helper,
+                       alarm_factory,
+                       Perspective::IS_SERVER),
         dispatcher_(dispatcher) {}
 
   void UnregisterOnConnectionClosed() {
     LOG(ERROR) << "Unregistering " << connection_id();
     dispatcher_->OnConnectionClosed(connection_id(), QUIC_NO_ERROR,
                                     "Unregistering.");
   }
 
  private:
   QuicDispatcher* dispatcher_;
 };
 
 QuicServerSessionBase* CreateSession(
     QuicDispatcher* dispatcher,
     const QuicConfig& config,
     QuicConnectionId connection_id,
     const IPEndPoint& client_address,
     MockConnectionHelper* helper,
+    MockAlarmFactory* alarm_factory,
     const QuicCryptoServerConfig* crypto_config,
     QuicCompressedCertsCache* compressed_certs_cache,
     TestQuicSpdyServerSession** session) {
-  MockServerConnection* connection =
-      new MockServerConnection(connection_id, helper, dispatcher);
+  MockServerConnection* connection = new MockServerConnection(
+      connection_id, helper, alarm_factory, dispatcher);
   *session = new TestQuicSpdyServerSession(config, connection, crypto_config,
                                            compressed_certs_cache);
   connection->set_visitor(*session);
   ON_CALL(*connection, CloseConnection(_, _, _))
       .WillByDefault(WithoutArgs(Invoke(
           connection, &MockServerConnection::UnregisterOnConnectionClosed)));
   EXPECT_CALL(*reinterpret_cast<MockConnection*>((*session)->connection()),
               ProcessUdpPacket(_, client_address, _));
 
   return *session;
 }
 
 class QuicDispatcherTest : public ::testing::Test {
  public:
   QuicDispatcherTest()
       : helper_(&eps_, QuicAllocator::BUFFER_POOL),
+        alarm_factory_(&eps_),
         crypto_config_(QuicCryptoServerConfig::TESTING,
                        QuicRandom::GetInstance(),
                        CryptoTestUtils::ProofSourceForTesting()),
         dispatcher_(config_, &crypto_config_, &eps_),
         time_wait_list_manager_(nullptr),
         session1_(nullptr),
         session2_(nullptr) {
     dispatcher_.InitializeWithWriter(new QuicDefaultPacketWriter(1));
   }
 
@@ skipping 69 matching lines @@
     dispatcher_.ProcessPacket(server_address_, client_address,
                               *received_packet);
   }
 
   void ValidatePacket(const QuicEncryptedPacket& packet) {
     EXPECT_EQ(data_.length(), packet.AsStringPiece().length());
     EXPECT_EQ(data_, packet.AsStringPiece());
   }
 
   void CreateTimeWaitListManager() {
-    time_wait_list_manager_ = new MockTimeWaitListManager(
-        QuicDispatcherPeer::GetWriter(&dispatcher_), &dispatcher_, &helper_);
+    time_wait_list_manager_ =
+        new MockTimeWaitListManager(QuicDispatcherPeer::GetWriter(&dispatcher_),
+                                    &dispatcher_, &helper_, &alarm_factory_);
     // dispatcher_ takes the ownership of time_wait_list_manager_.
     QuicDispatcherPeer::SetTimeWaitListManager(&dispatcher_,
                                                time_wait_list_manager_);
   }
 
   EpollServer eps_;
   QuicEpollConnectionHelper helper_;
   MockConnectionHelper mock_helper_;
+  QuicEpollAlarmFactory alarm_factory_;
+  MockAlarmFactory mock_alarm_factory_;
   QuicConfig config_;
   QuicCryptoServerConfig crypto_config_;
   IPEndPoint server_address_;
   TestDispatcher dispatcher_;
   MockTimeWaitListManager* time_wait_list_manager_;
   TestQuicSpdyServerSession* session1_;
   TestQuicSpdyServerSession* session2_;
   string data_;
 };
 
 TEST_F(QuicDispatcherTest, ProcessPackets) {
   IPEndPoint client_address(net::test::Loopback4(), 1);
   server_address_ = IPEndPoint(net::test::Any4(), 5);
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(1, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, 1, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session1_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
   ProcessPacket(client_address, 1, true, false, "foo");
   EXPECT_EQ(client_address, dispatcher_.current_client_address());
   EXPECT_EQ(server_address_, dispatcher_.current_server_address());
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(2, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, 2, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session2_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session2_)));
   ProcessPacket(client_address, 2, true, false, "bar");
 
   EXPECT_CALL(*reinterpret_cast<MockConnection*>(session1_->connection()),
               ProcessUdpPacket(_, _, _))
       .Times(1)
       .WillOnce(testing::WithArgs<2>(
           Invoke(this, &QuicDispatcherTest::ValidatePacket)));
   ProcessPacket(client_address, 1, false, false, "eep");
 }
 
 TEST_F(QuicDispatcherTest, StatelessVersionNegotiation) {
   ValueRestore<bool> old_flag(&FLAGS_quic_stateless_version_negotiation, true);
   IPEndPoint client_address(net::test::Loopback4(), 1);
   server_address_ = IPEndPoint(net::test::Any4(), 5);
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(1, client_address)).Times(0);
   QuicVersion version = static_cast<QuicVersion>(QuicVersionMin() - 1);
   ProcessPacket(client_address, 1, true, version, "foo",
                 PACKET_8BYTE_CONNECTION_ID, PACKET_6BYTE_PACKET_NUMBER, 1);
 }
 
 TEST_F(QuicDispatcherTest, StatefulVersionNegotiation) {
   ValueRestore<bool> old_flag(&FLAGS_quic_stateless_version_negotiation, false);
   IPEndPoint client_address(net::test::Loopback4(), 1);
   server_address_ = IPEndPoint(net::test::Any4(), 5);
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(1, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, 1, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session1_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
   QuicVersion version = static_cast<QuicVersion>(QuicVersionMin() - 1);
   ProcessPacket(client_address, 1, true, version, "foo",
                 PACKET_8BYTE_CONNECTION_ID, PACKET_6BYTE_PACKET_NUMBER, 1);
 }
 
 TEST_F(QuicDispatcherTest, Shutdown) {
   IPEndPoint client_address(net::test::Loopback4(), 1);
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(_, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, 1, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session1_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
 
   ProcessPacket(client_address, 1, true, false, "foo");
 
   EXPECT_CALL(*reinterpret_cast<MockConnection*>(session1_->connection()),
               CloseConnection(QUIC_PEER_GOING_AWAY, _, _));
 
   dispatcher_.Shutdown();
 }
 
 TEST_F(QuicDispatcherTest, TimeWaitListManager) {
   CreateTimeWaitListManager();
 
   // Create a new session.
   IPEndPoint client_address(net::test::Loopback4(), 1);
   QuicConnectionId connection_id = 1;
   EXPECT_CALL(dispatcher_, CreateQuicSession(connection_id, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, connection_id, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session1_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
   ProcessPacket(client_address, connection_id, true, false, "foo");
 
   // Close the connection by sending public reset packet.
   QuicPublicResetPacket packet;
   packet.public_header.connection_id = connection_id;
   packet.public_header.reset_flag = true;
   packet.public_header.version_flag = false;
   packet.rejected_packet_number = 19191;
   packet.nonce_proof = 132232;
   std::unique_ptr<QuicEncryptedPacket> encrypted(
@@ skipping 127 matching lines @@
            !GetParam().crypto_handshake_successful &&
            GetParam().client_supports_statelesss_rejects;
   }
 
   // Sets up dispatcher_, sesession1_, and crypto_stream1_ based on
   // the test parameters.
   QuicServerSessionBase* CreateSessionBasedOnTestParams(
       QuicConnectionId connection_id,
       const IPEndPoint& client_address) {
     CreateSession(&dispatcher_, config_, connection_id, client_address,
-                  &mock_helper_, &crypto_config_,
+                  &mock_helper_, &mock_alarm_factory_, &crypto_config_,
                   QuicDispatcherPeer::GetCache(&dispatcher_), &session1_);
 
     crypto_stream1_ = new MockQuicCryptoServerStream(
         crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_), session1_);
     session1_->SetCryptoStream(crypto_stream1_);
     crypto_stream1_->set_handshake_confirmed_for_testing(
         GetParam().crypto_handshake_successful);
     crypto_stream1_->SetPeerSupportsStatelessRejects(
         GetParam().client_supports_statelesss_rejects);
     return session1_;
@@ skipping 17 matching lines @@
 }
 
 TEST_F(QuicDispatcherTest, OKSeqNoPacketProcessed) {
   IPEndPoint client_address(net::test::Loopback4(), 1);
   QuicConnectionId connection_id = 1;
   server_address_ = IPEndPoint(net::test::Any4(), 5);
 
   EXPECT_CALL(dispatcher_, CreateQuicSession(1, client_address))
       .WillOnce(testing::Return(CreateSession(
           &dispatcher_, config_, 1, client_address, &mock_helper_,
-          &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
-          &session1_)));
+          &mock_alarm_factory_, &crypto_config_,
+          QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
   // A packet whose packet number is the largest that is allowed to start a
   // connection.
   ProcessPacket(client_address, connection_id, true, false, "data",
                 PACKET_8BYTE_CONNECTION_ID, PACKET_6BYTE_PACKET_NUMBER,
                 kDefaultPathId,
                 QuicDispatcher::kMaxReasonableInitialPacketNumber);
   EXPECT_EQ(client_address, dispatcher_.current_client_address());
   EXPECT_EQ(server_address_, dispatcher_.current_server_address());
 }
 
@@ skipping 121 matching lines @@
 class QuicDispatcherWriteBlockedListTest : public QuicDispatcherTest {
  public:
   void SetUp() override {
     writer_ = new BlockingWriter;
     QuicDispatcherPeer::UseWriter(&dispatcher_, writer_);
 
     IPEndPoint client_address(net::test::Loopback4(), 1);
 
     EXPECT_CALL(dispatcher_, CreateQuicSession(_, client_address))
         .WillOnce(testing::Return(CreateSession(
-            &dispatcher_, config_, 1, client_address, &helper_, &crypto_config_,
-            QuicDispatcherPeer::GetCache(&dispatcher_), &session1_)));
+            &dispatcher_, config_, 1, client_address, &helper_, &alarm_factory_,
+            &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
+            &session1_)));
     ProcessPacket(client_address, 1, true, false, "foo");
 
     EXPECT_CALL(dispatcher_, CreateQuicSession(_, client_address))
         .WillOnce(testing::Return(CreateSession(
-            &dispatcher_, config_, 2, client_address, &helper_, &crypto_config_,
-            QuicDispatcherPeer::GetCache(&dispatcher_), &session2_)));
+            &dispatcher_, config_, 2, client_address, &helper_, &alarm_factory_,
+            &crypto_config_, QuicDispatcherPeer::GetCache(&dispatcher_),
+            &session2_)));
     ProcessPacket(client_address, 2, true, false, "bar");
 
     blocked_list_ = QuicDispatcherPeer::GetWriteBlockedList(&dispatcher_);
   }
 
   void TearDown() override {
     EXPECT_CALL(*connection1(), CloseConnection(QUIC_PEER_GOING_AWAY, _, _));
     EXPECT_CALL(*connection2(), CloseConnection(QUIC_PEER_GOING_AWAY, _, _));
     dispatcher_.Shutdown();
   }
 
   void SetBlocked() { writer_->write_blocked_ = true; }
 
   void BlockConnection2() {
     writer_->write_blocked_ = true;
     dispatcher_.OnWriteBlocked(connection2());
   }
 
  protected:
   MockConnectionHelper helper_;
+  MockAlarmFactory alarm_factory_;
   BlockingWriter* writer_;
   QuicDispatcher::WriteBlockedList* blocked_list_;
 };
 
 TEST_F(QuicDispatcherWriteBlockedListTest, BasicOnCanWrite) {
   // No OnCanWrite calls because no connections are blocked.
   dispatcher_.OnCanWrite();
 
   // Register connection 1 for events, and make sure it's notified.
   SetBlocked();
@@ skipping 118 matching lines @@
 
   // And we'll resume where we left off when we get another call.
   EXPECT_CALL(*connection2(), OnCanWrite());
   dispatcher_.OnCanWrite();
   EXPECT_FALSE(dispatcher_.HasPendingWrites());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net