| // Copyright 2014 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/socket/websocket_transport_client_socket_pool.h" |
| |
| #include <queue> |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/callback.h" |
| #include "base/location.h" |
| #include "base/macros.h" |
| #include "base/run_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/time.h" |
| #include "net/base/ip_endpoint.h" |
| #include "net/base/load_timing_info.h" |
| #include "net/base/load_timing_info_test_util.h" |
| #include "net/base/net_errors.h" |
| #include "net/base/test_completion_callback.h" |
| #include "net/dns/mock_host_resolver.h" |
| #include "net/log/test_net_log.h" |
| #include "net/socket/client_socket_handle.h" |
| #include "net/socket/socket_test_util.h" |
| #include "net/socket/stream_socket.h" |
| #include "net/socket/transport_client_socket_pool_test_util.h" |
| #include "net/socket/websocket_endpoint_lock_manager.h" |
| #include "net/test/gtest_util.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using net::test::IsError; |
| using net::test::IsOk; |
| |
| namespace net { |
| |
| namespace { |
| |
| const int kMaxSockets = 32; |
| const int kMaxSocketsPerGroup = 6; |
| const RequestPriority kDefaultPriority = LOW; |
| |
| // RunLoop doesn't support this natively but it is easy to emulate. |
| void RunLoopForTimePeriod(base::TimeDelta period) { |
| base::RunLoop run_loop; |
| base::Closure quit_closure(run_loop.QuitClosure()); |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(FROM_HERE, quit_closure, |
| period); |
| run_loop.Run(); |
| } |
| |
| class WebSocketTransportClientSocketPoolTest : public ::testing::Test { |
| protected: |
| WebSocketTransportClientSocketPoolTest() |
| : params_(new TransportSocketParams( |
| HostPortPair("www.google.com", 80), |
| false, |
| OnHostResolutionCallback(), |
| TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)), |
| host_resolver_(new MockHostResolver), |
| client_socket_factory_(&net_log_), |
| pool_(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL) {} |
| |
| ~WebSocketTransportClientSocketPoolTest() override { |
| RunUntilIdle(); |
| // ReleaseAllConnections() calls RunUntilIdle() after releasing each |
| // connection. |
| ReleaseAllConnections(ClientSocketPoolTest::NO_KEEP_ALIVE); |
| EXPECT_TRUE(WebSocketEndpointLockManager::GetInstance()->IsEmpty()); |
| } |
| |
| static void RunUntilIdle() { base::RunLoop().RunUntilIdle(); } |
| |
| int StartRequest(const std::string& group_name, RequestPriority priority) { |
| scoped_refptr<TransportSocketParams> params( |
| new TransportSocketParams( |
| HostPortPair("www.google.com", 80), |
| false, |
| OnHostResolutionCallback(), |
| TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)); |
| return test_base_.StartRequestUsingPool( |
| &pool_, group_name, priority, ClientSocketPool::RespectLimits::ENABLED, |
| params); |
| } |
| |
| int GetOrderOfRequest(size_t index) { |
| return test_base_.GetOrderOfRequest(index); |
| } |
| |
| bool ReleaseOneConnection(ClientSocketPoolTest::KeepAlive keep_alive) { |
| return test_base_.ReleaseOneConnection(keep_alive); |
| } |
| |
| void ReleaseAllConnections(ClientSocketPoolTest::KeepAlive keep_alive) { |
| test_base_.ReleaseAllConnections(keep_alive); |
| } |
| |
| TestSocketRequest* request(int i) { return test_base_.request(i); } |
| |
| std::vector<std::unique_ptr<TestSocketRequest>>* requests() { |
| return test_base_.requests(); |
| } |
| size_t completion_count() const { return test_base_.completion_count(); } |
| |
| TestNetLog net_log_; |
| scoped_refptr<TransportSocketParams> params_; |
| std::unique_ptr<MockHostResolver> host_resolver_; |
| MockTransportClientSocketFactory client_socket_factory_; |
| WebSocketTransportClientSocketPool pool_; |
| ClientSocketPoolTest test_base_; |
| ScopedWebSocketEndpointZeroUnlockDelay zero_unlock_delay_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(WebSocketTransportClientSocketPoolTest); |
| }; |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, Basic) { |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.is_initialized()); |
| EXPECT_FALSE(handle.socket()); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_TRUE(handle.is_initialized()); |
| EXPECT_TRUE(handle.socket()); |
| TestLoadTimingInfoConnectedNotReused(handle); |
| } |
| |
| // Make sure that WebSocketTransportConnectJob passes on its priority to its |
| // HostResolver request on Init. |
| TEST_F(WebSocketTransportClientSocketPoolTest, SetResolvePriorityOnInit) { |
| for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) { |
| RequestPriority priority = static_cast<RequestPriority>(i); |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, priority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| EXPECT_EQ(priority, host_resolver_->last_request_priority()); |
| } |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, InitHostResolutionFailure) { |
| host_resolver_->rules()->AddSimulatedFailure("unresolvable.host.name"); |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| HostPortPair host_port_pair("unresolvable.host.name", 80); |
| scoped_refptr<TransportSocketParams> dest(new TransportSocketParams( |
| host_port_pair, false, OnHostResolutionCallback(), |
| TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)); |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", dest, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| EXPECT_THAT(callback.WaitForResult(), IsError(ERR_NAME_NOT_RESOLVED)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, InitConnectionFailure) { |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET); |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| EXPECT_THAT(callback.WaitForResult(), IsError(ERR_CONNECTION_FAILED)); |
| |
| // Make the host resolutions complete synchronously this time. |
| host_resolver_->set_synchronous_mode(true); |
| EXPECT_EQ(ERR_CONNECTION_FAILED, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, PendingRequestsFinishFifo) { |
| // First request finishes asynchronously. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| |
| // Make all subsequent host resolutions complete synchronously. |
| host_resolver_->set_synchronous_mode(true); |
| |
| // Rest of them wait for the first socket to be released. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| ReleaseAllConnections(ClientSocketPoolTest::KEEP_ALIVE); |
| |
| EXPECT_EQ(6, client_socket_factory_.allocation_count()); |
| |
| // One initial asynchronous request and then 5 pending requests. |
| EXPECT_EQ(6U, completion_count()); |
| |
| // The requests finish in FIFO order. |
| EXPECT_EQ(1, GetOrderOfRequest(1)); |
| EXPECT_EQ(2, GetOrderOfRequest(2)); |
| EXPECT_EQ(3, GetOrderOfRequest(3)); |
| EXPECT_EQ(4, GetOrderOfRequest(4)); |
| EXPECT_EQ(5, GetOrderOfRequest(5)); |
| EXPECT_EQ(6, GetOrderOfRequest(6)); |
| |
| // Make sure we test order of all requests made. |
| EXPECT_EQ(ClientSocketPoolTest::kIndexOutOfBounds, GetOrderOfRequest(7)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, PendingRequests_NoKeepAlive) { |
| // First request finishes asynchronously. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| |
| // Make all subsequent host resolutions complete synchronously. |
| host_resolver_->set_synchronous_mode(true); |
| |
| // Rest of them wait for the first socket to be released. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| ReleaseAllConnections(ClientSocketPoolTest::NO_KEEP_ALIVE); |
| |
| // The pending requests should finish successfully. |
| EXPECT_THAT(request(1)->WaitForResult(), IsOk()); |
| EXPECT_THAT(request(2)->WaitForResult(), IsOk()); |
| EXPECT_THAT(request(3)->WaitForResult(), IsOk()); |
| EXPECT_THAT(request(4)->WaitForResult(), IsOk()); |
| EXPECT_THAT(request(5)->WaitForResult(), IsOk()); |
| |
| EXPECT_EQ(static_cast<int>(requests()->size()), |
| client_socket_factory_.allocation_count()); |
| |
| // First asynchronous request, and then last 5 pending requests. |
| EXPECT_EQ(6U, completion_count()); |
| } |
| |
| // This test will start up a RequestSocket() and then immediately Cancel() it. |
| // The pending host resolution will eventually complete, and destroy the |
| // ClientSocketPool which will crash if the group was not cleared properly. |
| TEST_F(WebSocketTransportClientSocketPoolTest, CancelRequestClearGroup) { |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| handle.Reset(); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, TwoRequestsCancelOne) { |
| ClientSocketHandle handle; |
| TestCompletionCallback callback; |
| ClientSocketHandle handle2; |
| TestCompletionCallback callback2; |
| |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle2.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback2.callback(), &pool_, BoundNetLog())); |
| |
| handle.Reset(); |
| |
| EXPECT_THAT(callback2.WaitForResult(), IsOk()); |
| handle2.Reset(); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, ConnectCancelConnect) { |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET); |
| ClientSocketHandle handle; |
| TestCompletionCallback callback; |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog())); |
| |
| handle.Reset(); |
| |
| TestCompletionCallback callback2; |
| EXPECT_EQ(ERR_IO_PENDING, |
| handle.Init("a", params_, kDefaultPriority, |
| ClientSocketPool::RespectLimits::ENABLED, |
| callback2.callback(), &pool_, BoundNetLog())); |
| |
| host_resolver_->set_synchronous_mode(true); |
| // At this point, handle has two ConnectingSockets out for it. Due to the |
| // setting the mock resolver into synchronous mode, the host resolution for |
| // both will return in the same loop of the MessageLoop. The client socket |
| // is a pending socket, so the Connect() will asynchronously complete on the |
| // next loop of the MessageLoop. That means that the first |
| // ConnectingSocket will enter OnIOComplete, and then the second one will. |
| // If the first one is not cancelled, it will advance the load state, and |
| // then the second one will crash. |
| |
| EXPECT_THAT(callback2.WaitForResult(), IsOk()); |
| EXPECT_FALSE(callback.have_result()); |
| |
| handle.Reset(); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, CancelRequest) { |
| // First request finishes asynchronously. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| |
| // Make all subsequent host resolutions complete synchronously. |
| host_resolver_->set_synchronous_mode(true); |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| // Cancel a request. |
| const size_t index_to_cancel = 2; |
| EXPECT_FALSE(request(index_to_cancel)->handle()->is_initialized()); |
| request(index_to_cancel)->handle()->Reset(); |
| |
| ReleaseAllConnections(ClientSocketPoolTest::KEEP_ALIVE); |
| |
| EXPECT_EQ(5, client_socket_factory_.allocation_count()); |
| |
| EXPECT_EQ(1, GetOrderOfRequest(1)); |
| EXPECT_EQ(2, GetOrderOfRequest(2)); |
| EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound, |
| GetOrderOfRequest(3)); // Canceled request. |
| EXPECT_EQ(3, GetOrderOfRequest(4)); |
| EXPECT_EQ(4, GetOrderOfRequest(5)); |
| EXPECT_EQ(5, GetOrderOfRequest(6)); |
| |
| // Make sure we test order of all requests made. |
| EXPECT_EQ(ClientSocketPoolTest::kIndexOutOfBounds, GetOrderOfRequest(7)); |
| } |
| |
| // Function to be used as a callback on socket request completion. It first |
| // disconnects the successfully connected socket from the first request, and |
| // then reuses the ClientSocketHandle to request another socket. The second |
| // request is expected to succeed asynchronously. |
| // |
| // |nested_callback| is called with the result of the second socket request. |
| void RequestSocketOnComplete(ClientSocketHandle* handle, |
| WebSocketTransportClientSocketPool* pool, |
| const CompletionCallback& nested_callback, |
| int first_request_result) { |
| EXPECT_THAT(first_request_result, IsOk()); |
| |
| // Don't allow reuse of the socket. Disconnect it and then release it. |
| handle->socket()->Disconnect(); |
| handle->Reset(); |
| |
| scoped_refptr<TransportSocketParams> dest(new TransportSocketParams( |
| HostPortPair("www.google.com", 80), false, OnHostResolutionCallback(), |
| TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)); |
| int rv = |
| handle->Init("a", dest, LOWEST, ClientSocketPool::RespectLimits::ENABLED, |
| nested_callback, pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| if (ERR_IO_PENDING != rv) |
| nested_callback.Run(rv); |
| } |
| |
| // Tests the case where a second socket is requested in a completion callback, |
| // and the second socket connects asynchronously. Reuses the same |
| // ClientSocketHandle for the second socket, after disconnecting the first. |
| TEST_F(WebSocketTransportClientSocketPoolTest, RequestTwice) { |
| ClientSocketHandle handle; |
| scoped_refptr<TransportSocketParams> dest( |
| new TransportSocketParams( |
| HostPortPair("www.google.com", 80), |
| false, |
| OnHostResolutionCallback(), |
| TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)); |
| TestCompletionCallback second_result_callback; |
| int rv = |
| handle.Init("a", dest, LOWEST, ClientSocketPool::RespectLimits::ENABLED, |
| base::Bind(&RequestSocketOnComplete, &handle, &pool_, |
| second_result_callback.callback()), |
| &pool_, BoundNetLog()); |
| ASSERT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(second_result_callback.WaitForResult(), IsOk()); |
| |
| handle.Reset(); |
| } |
| |
| // Make sure that pending requests get serviced after active requests get |
| // cancelled. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| CancelActiveRequestWithPendingRequests) { |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET); |
| |
| // Queue up all the requests |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| // Now, kMaxSocketsPerGroup requests should be active. Let's cancel them. |
| ASSERT_LE(kMaxSocketsPerGroup, static_cast<int>(requests()->size())); |
| for (int i = 0; i < kMaxSocketsPerGroup; i++) |
| request(i)->handle()->Reset(); |
| |
| // Let's wait for the rest to complete now. |
| for (size_t i = kMaxSocketsPerGroup; i < requests()->size(); ++i) { |
| EXPECT_THAT(request(i)->WaitForResult(), IsOk()); |
| request(i)->handle()->Reset(); |
| } |
| |
| EXPECT_EQ(requests()->size() - kMaxSocketsPerGroup, completion_count()); |
| } |
| |
| // Make sure that pending requests get serviced after active requests fail. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FailingActiveRequestWithPendingRequests) { |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_PENDING_FAILING_CLIENT_SOCKET); |
| |
| const int kNumRequests = 2 * kMaxSocketsPerGroup + 1; |
| ASSERT_LE(kNumRequests, kMaxSockets); // Otherwise the test will hang. |
| |
| // Queue up all the requests |
| for (int i = 0; i < kNumRequests; i++) |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| for (int i = 0; i < kNumRequests; i++) |
| EXPECT_THAT(request(i)->WaitForResult(), IsError(ERR_CONNECTION_FAILED)); |
| } |
| |
| // The lock on the endpoint is released when a ClientSocketHandle is reset. |
| TEST_F(WebSocketTransportClientSocketPoolTest, LockReleasedOnHandleReset) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| EXPECT_FALSE(request(1)->handle()->is_initialized()); |
| request(0)->handle()->Reset(); |
| RunUntilIdle(); |
| EXPECT_TRUE(request(1)->handle()->is_initialized()); |
| } |
| |
| // The lock on the endpoint is released when a ClientSocketHandle is deleted. |
| TEST_F(WebSocketTransportClientSocketPoolTest, LockReleasedOnHandleDelete) { |
| TestCompletionCallback callback; |
| std::unique_ptr<ClientSocketHandle> handle(new ClientSocketHandle); |
| int rv = |
| handle->Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool_, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_FALSE(request(0)->handle()->is_initialized()); |
| handle.reset(); |
| RunUntilIdle(); |
| EXPECT_TRUE(request(0)->handle()->is_initialized()); |
| } |
| |
| // A new connection is performed when the lock on the previous connection is |
| // explicitly released. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| ConnectionProceedsOnExplicitRelease) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| EXPECT_FALSE(request(1)->handle()->is_initialized()); |
| WebSocketTransportClientSocketPool::UnlockEndpoint(request(0)->handle()); |
| RunUntilIdle(); |
| EXPECT_TRUE(request(1)->handle()->is_initialized()); |
| } |
| |
| // A connection which is cancelled before completion does not block subsequent |
| // connections. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| CancelDuringConnectionReleasesLock) { |
| MockTransportClientSocketFactory::ClientSocketType case_types[] = { |
| MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET, |
| MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(case_types, |
| arraysize(case_types)); |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| RunUntilIdle(); |
| pool_.CancelRequest("a", request(0)->handle()); |
| EXPECT_THAT(request(1)->WaitForResult(), IsOk()); |
| } |
| |
| // Test the case of the IPv6 address stalling, and falling back to the IPv4 |
| // socket which finishes first. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| IPv6FallbackSocketIPv4FinishesFirst) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| MockTransportClientSocketFactory::ClientSocketType case_types[] = { |
| // This is the IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET, |
| // This is the IPv4 socket. |
| MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(case_types, 2); |
| |
| // Resolve an AddressList with an IPv6 address first and then an IPv4 address. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,2.2.2.2", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.is_initialized()); |
| EXPECT_FALSE(handle.socket()); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_TRUE(handle.is_initialized()); |
| EXPECT_TRUE(handle.socket()); |
| IPEndPoint endpoint; |
| handle.socket()->GetLocalAddress(&endpoint); |
| EXPECT_TRUE(endpoint.address().IsIPv4()); |
| EXPECT_EQ(2, client_socket_factory_.allocation_count()); |
| } |
| |
| // Test the case of the IPv6 address being slow, thus falling back to trying to |
| // connect to the IPv4 address, but having the connect to the IPv6 address |
| // finish first. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| IPv6FallbackSocketIPv6FinishesFirst) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| MockTransportClientSocketFactory::ClientSocketType case_types[] = { |
| // This is the IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET, |
| // This is the IPv4 socket. |
| MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(case_types, 2); |
| client_socket_factory_.set_delay(base::TimeDelta::FromMilliseconds( |
| TransportConnectJob::kIPv6FallbackTimerInMs + 50)); |
| |
| // Resolve an AddressList with an IPv6 address first and then an IPv4 address. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,2.2.2.2", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.is_initialized()); |
| EXPECT_FALSE(handle.socket()); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_TRUE(handle.is_initialized()); |
| EXPECT_TRUE(handle.socket()); |
| IPEndPoint endpoint; |
| handle.socket()->GetLocalAddress(&endpoint); |
| EXPECT_TRUE(endpoint.address().IsIPv6()); |
| EXPECT_EQ(2, client_socket_factory_.allocation_count()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| IPv6NoIPv4AddressesToFallbackTo) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET); |
| |
| // Resolve an AddressList with only IPv6 addresses. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,3:abcd::3:4:ff", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.is_initialized()); |
| EXPECT_FALSE(handle.socket()); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_TRUE(handle.is_initialized()); |
| EXPECT_TRUE(handle.socket()); |
| IPEndPoint endpoint; |
| handle.socket()->GetLocalAddress(&endpoint); |
| EXPECT_TRUE(endpoint.address().IsIPv6()); |
| EXPECT_EQ(1, client_socket_factory_.allocation_count()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, IPv4HasNoFallback) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET); |
| |
| // Resolve an AddressList with only IPv4 addresses. |
| host_resolver_->rules()->AddIPLiteralRule("*", "1.1.1.1", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.is_initialized()); |
| EXPECT_FALSE(handle.socket()); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_TRUE(handle.is_initialized()); |
| EXPECT_TRUE(handle.socket()); |
| IPEndPoint endpoint; |
| handle.socket()->GetLocalAddress(&endpoint); |
| EXPECT_TRUE(endpoint.address().IsIPv4()); |
| EXPECT_EQ(1, client_socket_factory_.allocation_count()); |
| } |
| |
| // If all IPv6 addresses fail to connect synchronously, then IPv4 connections |
| // proceeed immediately. |
| TEST_F(WebSocketTransportClientSocketPoolTest, IPv6InstantFail) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| MockTransportClientSocketFactory::ClientSocketType case_types[] = { |
| // First IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET, |
| // Second IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET, |
| // This is the IPv4 socket. |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(case_types, |
| arraysize(case_types)); |
| |
| // Resolve an AddressList with two IPv6 addresses and then an IPv4 address. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,2:abcd::3:5:ff,2.2.2.2", std::string()); |
| host_resolver_->set_synchronous_mode(true); |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsOk()); |
| ASSERT_TRUE(handle.socket()); |
| |
| IPEndPoint endpoint; |
| handle.socket()->GetPeerAddress(&endpoint); |
| EXPECT_EQ("2.2.2.2", endpoint.ToStringWithoutPort()); |
| } |
| |
| // If all IPv6 addresses fail before the IPv4 fallback timeout, then the IPv4 |
| // connections proceed immediately. |
| TEST_F(WebSocketTransportClientSocketPoolTest, IPv6RapidFail) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| MockTransportClientSocketFactory::ClientSocketType case_types[] = { |
| // First IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_PENDING_FAILING_CLIENT_SOCKET, |
| // Second IPv6 socket. |
| MockTransportClientSocketFactory::MOCK_PENDING_FAILING_CLIENT_SOCKET, |
| // This is the IPv4 socket. |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(case_types, |
| arraysize(case_types)); |
| |
| // Resolve an AddressList with two IPv6 addresses and then an IPv4 address. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,2:abcd::3:5:ff,2.2.2.2", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| EXPECT_FALSE(handle.socket()); |
| |
| base::TimeTicks start(base::TimeTicks::Now()); |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| EXPECT_LT(base::TimeTicks::Now() - start, |
| base::TimeDelta::FromMilliseconds( |
| TransportConnectJob::kIPv6FallbackTimerInMs)); |
| ASSERT_TRUE(handle.socket()); |
| |
| IPEndPoint endpoint; |
| handle.socket()->GetPeerAddress(&endpoint); |
| EXPECT_EQ("2.2.2.2", endpoint.ToStringWithoutPort()); |
| } |
| |
| // If two sockets connect successfully, the one which connected first wins (this |
| // can only happen if the sockets are different types, since sockets of the same |
| // type do not race). |
| TEST_F(WebSocketTransportClientSocketPoolTest, FirstSuccessWins) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_TRIGGERABLE_CLIENT_SOCKET); |
| |
| // Resolve an AddressList with an IPv6 addresses and an IPv4 address. |
| host_resolver_->rules()->AddIPLiteralRule( |
| "*", "2:abcd::3:4:ff,2.2.2.2", std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| ASSERT_FALSE(handle.socket()); |
| |
| base::Closure ipv6_connect_trigger = |
| client_socket_factory_.WaitForTriggerableSocketCreation(); |
| base::Closure ipv4_connect_trigger = |
| client_socket_factory_.WaitForTriggerableSocketCreation(); |
| |
| ipv4_connect_trigger.Run(); |
| ipv6_connect_trigger.Run(); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsOk()); |
| ASSERT_TRUE(handle.socket()); |
| |
| IPEndPoint endpoint; |
| handle.socket()->GetPeerAddress(&endpoint); |
| EXPECT_EQ("2.2.2.2", endpoint.ToStringWithoutPort()); |
| } |
| |
| // We should not report failure until all connections have failed. |
| TEST_F(WebSocketTransportClientSocketPoolTest, LastFailureWins) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_DELAYED_FAILING_CLIENT_SOCKET); |
| base::TimeDelta delay = base::TimeDelta::FromMilliseconds( |
| TransportConnectJob::kIPv6FallbackTimerInMs / 3); |
| client_socket_factory_.set_delay(delay); |
| |
| // Resolve an AddressList with 4 IPv6 addresses and 2 IPv4 addresses. |
| host_resolver_->rules()->AddIPLiteralRule("*", |
| "1:abcd::3:4:ff,2:abcd::3:4:ff," |
| "3:abcd::3:4:ff,4:abcd::3:4:ff," |
| "1.1.1.1,2.2.2.2", |
| std::string()); |
| |
| // Expected order of events: |
| // After 100ms: Connect to 1:abcd::3:4:ff times out |
| // After 200ms: Connect to 2:abcd::3:4:ff times out |
| // After 300ms: Connect to 3:abcd::3:4:ff times out, IPv4 fallback starts |
| // After 400ms: Connect to 4:abcd::3:4:ff and 1.1.1.1 time out |
| // After 500ms: Connect to 2.2.2.2 times out |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| base::TimeTicks start(base::TimeTicks::Now()); |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsError(ERR_CONNECTION_FAILED)); |
| |
| EXPECT_GE(base::TimeTicks::Now() - start, delay * 5); |
| } |
| |
| // Global timeout for all connects applies. This test is disabled by default |
| // because it takes 4 minutes. Run with --gtest_also_run_disabled_tests if you |
| // want to run it. |
| TEST_F(WebSocketTransportClientSocketPoolTest, DISABLED_OverallTimeoutApplies) { |
| WebSocketTransportClientSocketPool pool(kMaxSockets, |
| kMaxSocketsPerGroup, |
| host_resolver_.get(), |
| &client_socket_factory_, |
| NULL); |
| const base::TimeDelta connect_job_timeout = pool.ConnectionTimeout(); |
| |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_DELAYED_FAILING_CLIENT_SOCKET); |
| client_socket_factory_.set_delay(base::TimeDelta::FromSeconds(1) + |
| connect_job_timeout / 6); |
| |
| // Resolve an AddressList with 6 IPv6 addresses and 6 IPv4 addresses. |
| host_resolver_->rules()->AddIPLiteralRule("*", |
| "1:abcd::3:4:ff,2:abcd::3:4:ff," |
| "3:abcd::3:4:ff,4:abcd::3:4:ff," |
| "5:abcd::3:4:ff,6:abcd::3:4:ff," |
| "1.1.1.1,2.2.2.2,3.3.3.3," |
| "4.4.4.4,5.5.5.5,6.6.6.6", |
| std::string()); |
| |
| TestCompletionCallback callback; |
| ClientSocketHandle handle; |
| |
| int rv = |
| handle.Init("a", params_, LOW, ClientSocketPool::RespectLimits::ENABLED, |
| callback.callback(), &pool, BoundNetLog()); |
| EXPECT_THAT(rv, IsError(ERR_IO_PENDING)); |
| |
| EXPECT_THAT(callback.WaitForResult(), IsError(ERR_TIMED_OUT)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, MaxSocketsEnforced) { |
| host_resolver_->set_synchronous_mode(true); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| ASSERT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| WebSocketTransportClientSocketPool::UnlockEndpoint(request(i)->handle()); |
| RunUntilIdle(); |
| } |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, MaxSocketsEnforcedWhenPending) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| // Now there are 32 sockets waiting to connect, and one stalled. |
| for (int i = 0; i < kMaxSockets; ++i) { |
| RunUntilIdle(); |
| EXPECT_TRUE(request(i)->handle()->is_initialized()); |
| EXPECT_TRUE(request(i)->handle()->socket()); |
| WebSocketTransportClientSocketPool::UnlockEndpoint(request(i)->handle()); |
| } |
| // Now there are 32 sockets connected, and one stalled. |
| RunUntilIdle(); |
| EXPECT_FALSE(request(kMaxSockets)->handle()->is_initialized()); |
| EXPECT_FALSE(request(kMaxSockets)->handle()->socket()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, StalledSocketReleased) { |
| host_resolver_->set_synchronous_mode(true); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| ASSERT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| WebSocketTransportClientSocketPool::UnlockEndpoint(request(i)->handle()); |
| RunUntilIdle(); |
| } |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| ReleaseOneConnection(ClientSocketPoolTest::NO_KEEP_ALIVE); |
| EXPECT_TRUE(request(kMaxSockets)->handle()->is_initialized()); |
| EXPECT_TRUE(request(kMaxSockets)->handle()->socket()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, IsStalledTrueWhenStalled) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| EXPECT_TRUE(pool_.IsStalled()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| CancellingPendingSocketUnstallsStalledSocket) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| EXPECT_THAT(request(0)->WaitForResult(), IsOk()); |
| request(1)->handle()->Reset(); |
| RunUntilIdle(); |
| EXPECT_FALSE(pool_.IsStalled()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| LoadStateOfStalledSocketIsWaitingForAvailableSocket) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| EXPECT_EQ(LOAD_STATE_WAITING_FOR_AVAILABLE_SOCKET, |
| pool_.GetLoadState("a", request(kMaxSockets)->handle())); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| CancellingStalledSocketUnstallsPool) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| request(kMaxSockets)->handle()->Reset(); |
| RunUntilIdle(); |
| EXPECT_FALSE(pool_.IsStalled()); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FlushWithErrorFlushesPendingConnections) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| pool_.FlushWithError(ERR_FAILED); |
| EXPECT_THAT(request(0)->WaitForResult(), IsError(ERR_FAILED)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FlushWithErrorFlushesStalledConnections) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| pool_.FlushWithError(ERR_FAILED); |
| EXPECT_THAT(request(kMaxSockets)->WaitForResult(), IsError(ERR_FAILED)); |
| } |
| |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| AfterFlushWithErrorCanMakeNewConnections) { |
| for (int i = 0; i < kMaxSockets + 1; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| pool_.FlushWithError(ERR_FAILED); |
| host_resolver_->set_synchronous_mode(true); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| } |
| |
| // Deleting pending connections can release the lock on the endpoint, which can |
| // in principle lead to other pending connections succeeding. However, when we |
| // call FlushWithError(), everything should fail. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FlushWithErrorDoesNotCauseSuccessfulConnections) { |
| host_resolver_->set_synchronous_mode(true); |
| MockTransportClientSocketFactory::ClientSocketType first_type[] = { |
| // First socket |
| MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET |
| }; |
| client_socket_factory_.set_client_socket_types(first_type, |
| arraysize(first_type)); |
| // The rest of the sockets will connect synchronously. |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| // Now we have one socket in STATE_TRANSPORT_CONNECT and the rest in |
| // STATE_OBTAIN_LOCK. If any of the sockets in STATE_OBTAIN_LOCK is given the |
| // lock, they will synchronously connect. |
| pool_.FlushWithError(ERR_FAILED); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| EXPECT_THAT(request(i)->WaitForResult(), IsError(ERR_FAILED)); |
| } |
| } |
| |
| // This is a regression test for the first attempted fix for |
| // FlushWithErrorDoesNotCauseSuccessfulConnections. Because a ConnectJob can |
| // have both IPv4 and IPv6 subjobs, it can be both connecting and waiting for |
| // the lock at the same time. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FlushWithErrorDoesNotCauseSuccessfulConnectionsMultipleAddressTypes) { |
| host_resolver_->set_synchronous_mode(true); |
| // The first |kMaxSockets| sockets to connect will be IPv6. Then we will have |
| // one IPv4. |
| std::vector<MockTransportClientSocketFactory::ClientSocketType> socket_types( |
| kMaxSockets + 1, |
| MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET); |
| client_socket_factory_.set_client_socket_types(&socket_types[0], |
| socket_types.size()); |
| // The rest of the sockets will connect synchronously. |
| client_socket_factory_.set_default_client_socket_type( |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| host_resolver_->rules()->ClearRules(); |
| // Each connect job has a different IPv6 address but the same IPv4 address. |
| // So the IPv6 connections happen in parallel but the IPv4 ones are |
| // serialised. |
| host_resolver_->rules()->AddIPLiteralRule("*", |
| base::StringPrintf( |
| "%x:abcd::3:4:ff," |
| "1.1.1.1", |
| i + 1), |
| std::string()); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| } |
| // Now we have |kMaxSockets| IPv6 sockets stalled in connect. No IPv4 sockets |
| // are started yet. |
| RunLoopForTimePeriod(base::TimeDelta::FromMilliseconds( |
| TransportConnectJob::kIPv6FallbackTimerInMs)); |
| // Now we have |kMaxSockets| IPv6 sockets and one IPv4 socket stalled in |
| // connect, and |kMaxSockets - 1| IPv4 sockets waiting for the endpoint lock. |
| pool_.FlushWithError(ERR_FAILED); |
| for (int i = 0; i < kMaxSockets; ++i) { |
| EXPECT_THAT(request(i)->WaitForResult(), IsError(ERR_FAILED)); |
| } |
| } |
| |
| // Sockets that have had ownership transferred to a ClientSocketHandle should |
| // not be affected by FlushWithError. |
| TEST_F(WebSocketTransportClientSocketPoolTest, |
| FlushWithErrorDoesNotAffectHandedOutSockets) { |
| host_resolver_->set_synchronous_mode(true); |
| MockTransportClientSocketFactory::ClientSocketType socket_types[] = { |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET, |
| MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET}; |
| client_socket_factory_.set_client_socket_types(socket_types, |
| arraysize(socket_types)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| // Socket has been "handed out". |
| EXPECT_TRUE(request(0)->handle()->socket()); |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| // Now we have one socket handed out, and one pending. |
| pool_.FlushWithError(ERR_FAILED); |
| EXPECT_THAT(request(1)->WaitForResult(), IsError(ERR_FAILED)); |
| // Socket owned by ClientSocketHandle is unaffected: |
| EXPECT_TRUE(request(0)->handle()->socket()); |
| // Return it to the pool (which deletes it). |
| request(0)->handle()->Reset(); |
| } |
| |
| // Sockets should not be leaked if CancelRequest() is called in between |
| // SetSocket() being called on the ClientSocketHandle and InvokeUserCallback(). |
| TEST_F(WebSocketTransportClientSocketPoolTest, CancelRequestReclaimsSockets) { |
| host_resolver_->set_synchronous_mode(true); |
| MockTransportClientSocketFactory::ClientSocketType socket_types[] = { |
| MockTransportClientSocketFactory::MOCK_TRIGGERABLE_CLIENT_SOCKET, |
| MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET}; |
| |
| client_socket_factory_.set_client_socket_types(socket_types, |
| arraysize(socket_types)); |
| |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| |
| base::Closure connect_trigger = |
| client_socket_factory_.WaitForTriggerableSocketCreation(); |
| |
| connect_trigger.Run(); // Calls InvokeUserCallbackLater() |
| |
| request(0)->handle()->Reset(); // calls CancelRequest() |
| |
| RunUntilIdle(); |
| // We should now be able to create a new connection without blocking on the |
| // endpoint lock. |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| } |
| |
| // A handshake completing and then the WebSocket closing should only release one |
| // Endpoint, not two. |
| TEST_F(WebSocketTransportClientSocketPoolTest, EndpointLockIsOnlyReleasedOnce) { |
| host_resolver_->set_synchronous_mode(true); |
| ASSERT_THAT(StartRequest("a", kDefaultPriority), IsOk()); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING)); |
| // First socket completes handshake. |
| WebSocketTransportClientSocketPool::UnlockEndpoint(request(0)->handle()); |
| RunUntilIdle(); |
| // First socket is closed. |
| request(0)->handle()->Reset(); |
| // Second socket should have been released. |
| EXPECT_THAT(request(1)->WaitForResult(), IsOk()); |
| // Third socket should still be waiting for endpoint. |
| ASSERT_FALSE(request(2)->handle()->is_initialized()); |
| EXPECT_EQ(LOAD_STATE_WAITING_FOR_AVAILABLE_SOCKET, |
| request(2)->handle()->GetLoadState()); |
| } |
| |
| } // namespace |
| |
| } // namespace net |