blob: 846362f5e08992edb3bef29ad713794fc00be6b8 [file] [log] [blame]
// 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/socket/transport_client_socket_pool.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/run_loop.h"
#include "base/stl_util.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "net/base/completion_once_callback.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/net_log_with_source.h"
#include "net/log/test_net_log.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/socket_tag.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/test/embedded_test_server/embedded_test_server.h"
#include "net/test/gtest_util.h"
#include "net/test/test_with_scoped_task_environment.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.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 {
using internal::ClientSocketPoolBaseHelper;
namespace {
const int kMaxSockets = 32;
const int kMaxSocketsPerGroup = 6;
const RequestPriority kDefaultPriority = LOW;
class TransportClientSocketPoolTest : public TestWithScopedTaskEnvironment {
protected:
TransportClientSocketPoolTest()
: connect_backup_jobs_enabled_(
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(true)),
params_(new TransportSocketParams(HostPortPair("www.google.com", 80),
false,
OnHostResolutionCallback())),
host_resolver_(new MockHostResolver),
client_socket_factory_(&net_log_),
pool_(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL,
NULL) {}
~TransportClientSocketPoolTest() override {
internal::ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(
connect_backup_jobs_enabled_);
}
int StartRequest(const std::string& group_name, RequestPriority priority) {
scoped_refptr<TransportSocketParams> params(new TransportSocketParams(
HostPortPair("www.google.com", 80), false, OnHostResolutionCallback()));
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);
}
std::vector<std::unique_ptr<TestSocketRequest>>* requests() {
return test_base_.requests();
}
size_t completion_count() const { return test_base_.completion_count(); }
bool connect_backup_jobs_enabled_;
TestNetLog net_log_;
scoped_refptr<TransportSocketParams> params_;
std::unique_ptr<MockHostResolver> host_resolver_;
MockTransportClientSocketFactory client_socket_factory_;
TransportClientSocketPool pool_;
ClientSocketPoolTest test_base_;
private:
DISALLOW_COPY_AND_ASSIGN(TransportClientSocketPoolTest);
};
TEST_F(TransportClientSocketPoolTest, Basic) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
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);
EXPECT_EQ(0u, handle.connection_attempts().size());
}
// Make sure that TransportConnectJob passes on its priority to its
// HostResolver request on Init.
TEST_F(TransportClientSocketPoolTest, 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, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
EXPECT_EQ(priority, host_resolver_->last_request_priority());
}
}
TEST_F(TransportClientSocketPoolTest, ReprioritizeRequests) {
host_resolver_->set_ondemand_mode(true);
TestCompletionCallback callback1;
ClientSocketHandle handle1;
int rv1 = handle1.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback1.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv1, IsError(ERR_IO_PENDING));
TestCompletionCallback callback2;
ClientSocketHandle handle2;
int rv2 = handle2.Init("a", params_, HIGHEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback2.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv2, IsError(ERR_IO_PENDING));
TestCompletionCallback callback3;
ClientSocketHandle handle3;
int rv3 = handle3.Init("a", params_, LOWEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback3.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv3, IsError(ERR_IO_PENDING));
TestCompletionCallback callback4;
ClientSocketHandle handle4;
int rv4 = handle4.Init("a", params_, MEDIUM, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback4.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv4, IsError(ERR_IO_PENDING));
TestCompletionCallback callback5;
ClientSocketHandle handle5;
int rv5 = handle5.Init("a", params_, HIGHEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback5.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv5, IsError(ERR_IO_PENDING));
TestCompletionCallback callback6;
ClientSocketHandle handle6;
int rv6 = handle6.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback6.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv6, IsError(ERR_IO_PENDING));
// New jobs are created for each of the first 6 requests with the
// corresponding priority.
//
// Queue of pending requests:
// Request Job Priority
// ======= === ========
// 2 2 HIGHEST
// 5 5 HIGHEST
// 4 4 MEDIUM
// 1 1 LOW
// 6 6 LOW
// 3 3 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(2));
EXPECT_EQ(LOWEST, host_resolver_->request_priority(3));
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(4));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(5));
EXPECT_EQ(LOW, host_resolver_->request_priority(6));
// Inserting a highest-priority request steals the job from the lowest
// priority request and reprioritizes it to match the new request.
TestCompletionCallback callback7;
ClientSocketHandle handle7;
int rv7 = handle7.Init("a", params_, HIGHEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback7.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv7, IsError(ERR_IO_PENDING));
// Request Job Priority
// ======= === ========
// 2 2 HIGHEST
// 5 5 HIGHEST
// 7 3 HIGHEST
// 4 4 MEDIUM
// 1 1 LOW
// 6 6 LOW
// 3 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(2));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(3)); // reprioritized
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(4));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(5));
EXPECT_EQ(LOW, host_resolver_->request_priority(6));
TestCompletionCallback callback8;
ClientSocketHandle handle8;
int rv8 = handle8.Init("a", params_, HIGHEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback8.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv8, IsError(ERR_IO_PENDING));
// Request Job Priority
// ======= === ========
// 2 2 HIGHEST
// 5 5 HIGHEST
// 7 3 HIGHEST
// 8 6 HIGHEST
// 4 4 MEDIUM
// 1 1 LOW
// 6 LOW
// 3 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(2));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(3));
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(4));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(5));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(6)); // reprioritized
// A request completes, then the socket is returned to the socket pool and
// goes to the highest remaining request. The job from the highest request
// should then be reassigned to the first request without a job.
host_resolver_->ResolveNow(2);
EXPECT_THAT(callback2.WaitForResult(), IsOk());
EXPECT_TRUE(handle2.is_initialized());
EXPECT_TRUE(handle2.socket());
handle2.Reset();
EXPECT_THAT(callback5.WaitForResult(), IsOk());
EXPECT_TRUE(handle5.is_initialized());
EXPECT_TRUE(handle5.socket());
// Request Job Priority
// ======= === ========
// 7 3 HIGHEST
// 8 6 HIGHEST
// 4 4 MEDIUM
// 1 1 LOW
// 6 5 LOW
// 3 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(3));
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(4));
EXPECT_EQ(LOW, host_resolver_->request_priority(5)); // reprioritized
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(6));
// Cancelling a request with a job reassigns the job to a lower request.
handle7.Reset();
// Request Job Priority
// ======= === ========
// 8 6 HIGHEST
// 4 4 MEDIUM
// 1 1 LOW
// 6 5 LOW
// 3 3 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(LOWEST, host_resolver_->request_priority(3)); // reprioritized
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(4));
EXPECT_EQ(LOW, host_resolver_->request_priority(5));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(6));
// Reprioritizing a request changes its job's priority.
pool_.SetPriority("a", &handle4, LOWEST);
// Request Job Priority
// ======= === ========
// 8 6 HIGHEST
// 1 1 LOW
// 6 5 LOW
// 3 3 LOWEST
// 4 4 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(LOWEST, host_resolver_->request_priority(3));
EXPECT_EQ(LOWEST, host_resolver_->request_priority(4)); // reprioritized
EXPECT_EQ(LOW, host_resolver_->request_priority(5));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(6));
pool_.SetPriority("a", &handle3, MEDIUM);
// Request Job Priority
// ======= === ========
// 8 6 HIGHEST
// 3 3 MEDIUM
// 1 1 LOW
// 6 5 LOW
// 4 4 LOWEST
EXPECT_EQ(LOW, host_resolver_->request_priority(1));
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(3)); // reprioritized
EXPECT_EQ(LOWEST, host_resolver_->request_priority(4));
EXPECT_EQ(LOW, host_resolver_->request_priority(5));
EXPECT_EQ(HIGHEST, host_resolver_->request_priority(6));
// Host resolution finishes for a lower-down request. The highest request
// should get the socket and its job should be reassigned to the lower
// request.
host_resolver_->ResolveNow(1);
EXPECT_THAT(callback8.WaitForResult(), IsOk());
EXPECT_TRUE(handle8.is_initialized());
EXPECT_TRUE(handle8.socket());
// Request Job Priority
// ======= === ========
// 3 3 MEDIUM
// 1 6 LOW
// 6 5 LOW
// 4 4 LOWEST
EXPECT_EQ(MEDIUM, host_resolver_->request_priority(3));
EXPECT_EQ(LOWEST, host_resolver_->request_priority(4));
EXPECT_EQ(LOW, host_resolver_->request_priority(5));
EXPECT_EQ(LOW, host_resolver_->request_priority(6)); // reprioritized
// Host resolution finishes for the highest request. Nothing gets
// reprioritized.
host_resolver_->ResolveNow(3);
EXPECT_THAT(callback3.WaitForResult(), IsOk());
EXPECT_TRUE(handle3.is_initialized());
EXPECT_TRUE(handle3.socket());
// Request Job Priority
// ======= === ========
// 1 6 LOW
// 6 5 LOW
// 4 4 LOWEST
EXPECT_EQ(LOWEST, host_resolver_->request_priority(4));
EXPECT_EQ(LOW, host_resolver_->request_priority(5));
EXPECT_EQ(LOW, host_resolver_->request_priority(6));
host_resolver_->ResolveAllPending();
EXPECT_THAT(callback1.WaitForResult(), IsOk());
EXPECT_TRUE(handle1.is_initialized());
EXPECT_TRUE(handle1.socket());
EXPECT_THAT(callback4.WaitForResult(), IsOk());
EXPECT_TRUE(handle4.is_initialized());
EXPECT_TRUE(handle4.socket());
EXPECT_THAT(callback6.WaitForResult(), IsOk());
EXPECT_TRUE(handle6.is_initialized());
EXPECT_TRUE(handle6.socket());
}
TEST_F(TransportClientSocketPoolTest, RequestIgnoringLimitsIsNotReprioritized) {
TransportClientSocketPool pool(kMaxSockets, 1, host_resolver_.get(),
&client_socket_factory_, nullptr, nullptr);
// Creates a job which ignores limits whose priority is MAXIMUM_PRIORITY
TestCompletionCallback callback1;
ClientSocketHandle handle1;
int rv1 = handle1.Init("a", params_, MAXIMUM_PRIORITY, SocketTag(),
ClientSocketPool::RespectLimits::DISABLED,
callback1.callback(), &pool, NetLogWithSource());
EXPECT_THAT(rv1, IsError(ERR_IO_PENDING));
EXPECT_EQ(MAXIMUM_PRIORITY, host_resolver_->request_priority(1));
TestCompletionCallback callback2;
ClientSocketHandle handle2;
int rv2 = handle2.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback2.callback(), &pool, NetLogWithSource());
EXPECT_THAT(rv2, IsError(ERR_IO_PENDING));
// handle2 gets assigned the job, but it is not changed to match the request
// priority because it ignores limits.
handle1.Reset();
EXPECT_EQ(MAXIMUM_PRIORITY, host_resolver_->request_priority(1));
}
TEST_F(TransportClientSocketPoolTest, 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()));
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", dest, kDefaultPriority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
EXPECT_THAT(callback.WaitForResult(), IsError(ERR_NAME_NOT_RESOLVED));
ASSERT_EQ(1u, handle.connection_attempts().size());
EXPECT_TRUE(handle.connection_attempts()[0].endpoint.address().empty());
EXPECT_THAT(handle.connection_attempts()[0].result,
IsError(ERR_NAME_NOT_RESOLVED));
}
TEST_F(TransportClientSocketPoolTest, 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, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
EXPECT_THAT(callback.WaitForResult(), IsError(ERR_CONNECTION_FAILED));
ASSERT_EQ(1u, handle.connection_attempts().size());
EXPECT_EQ("127.0.0.1:80",
handle.connection_attempts()[0].endpoint.ToString());
EXPECT_THAT(handle.connection_attempts()[0].result,
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, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
ASSERT_EQ(1u, handle.connection_attempts().size());
EXPECT_EQ("127.0.0.1:80",
handle.connection_attempts()[0].endpoint.ToString());
EXPECT_THAT(handle.connection_attempts()[0].result,
IsError(ERR_CONNECTION_FAILED));
}
TEST_F(TransportClientSocketPoolTest, PendingRequests) {
// First request finishes asynchronously.
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING));
EXPECT_THAT((*requests())[0]->WaitForResult(), IsOk());
// Make all subsequent host resolutions complete synchronously.
host_resolver_->set_synchronous_mode(true);
// Rest of them finish synchronously, until we reach the per-group limit.
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
// The rest are pending since we've used all active sockets.
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOWEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOWEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", MEDIUM), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOW), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOWEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", MEDIUM), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", MEDIUM), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
ReleaseAllConnections(ClientSocketPoolTest::KEEP_ALIVE);
EXPECT_EQ(kMaxSocketsPerGroup, client_socket_factory_.allocation_count());
// One initial asynchronous request and then 10 pending requests.
EXPECT_EQ(11U, completion_count());
// First part of requests, all with the same priority, finishes 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 that rest of the requests complete in the order of priority.
EXPECT_EQ(7, GetOrderOfRequest(7));
EXPECT_EQ(14, GetOrderOfRequest(8));
EXPECT_EQ(15, GetOrderOfRequest(9));
EXPECT_EQ(10, GetOrderOfRequest(10));
EXPECT_EQ(13, GetOrderOfRequest(11));
EXPECT_EQ(8, GetOrderOfRequest(12));
EXPECT_EQ(16, GetOrderOfRequest(13));
EXPECT_EQ(11, GetOrderOfRequest(14));
EXPECT_EQ(12, GetOrderOfRequest(15));
EXPECT_EQ(9, GetOrderOfRequest(16));
// Make sure we test order of all requests made.
EXPECT_EQ(ClientSocketPoolTest::kIndexOutOfBounds, GetOrderOfRequest(17));
}
TEST_F(TransportClientSocketPoolTest, PendingRequests_NoKeepAlive) {
// First request finishes asynchronously.
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING));
EXPECT_THAT((*requests())[0]->WaitForResult(), IsOk());
// Make all subsequent host resolutions complete synchronously.
host_resolver_->set_synchronous_mode(true);
// Rest of them finish synchronously, until we reach the per-group limit.
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
// The rest are pending since we've used all active sockets.
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((*requests())[6]->WaitForResult(), IsOk());
EXPECT_THAT((*requests())[7]->WaitForResult(), IsOk());
EXPECT_THAT((*requests())[8]->WaitForResult(), IsOk());
EXPECT_THAT((*requests())[9]->WaitForResult(), IsOk());
EXPECT_THAT((*requests())[10]->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(TransportClientSocketPoolTest, CancelRequestClearGroup) {
TestCompletionCallback callback;
ClientSocketHandle handle;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
handle.Reset();
}
TEST_F(TransportClientSocketPoolTest, TwoRequestsCancelOne) {
ClientSocketHandle handle;
TestCompletionCallback callback;
ClientSocketHandle handle2;
TestCompletionCallback callback2;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
EXPECT_EQ(ERR_IO_PENDING,
handle2.Init("a", params_, kDefaultPriority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback2.callback(), &pool_, NetLogWithSource()));
handle.Reset();
EXPECT_THAT(callback2.WaitForResult(), IsOk());
handle2.Reset();
}
TEST_F(TransportClientSocketPoolTest, 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, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource()));
handle.Reset();
TestCompletionCallback callback2;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback2.callback(), &pool_, NetLogWithSource()));
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(TransportClientSocketPoolTest, CancelRequest) {
// First request finishes asynchronously.
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsError(ERR_IO_PENDING));
EXPECT_THAT((*requests())[0]->WaitForResult(), IsOk());
// Make all subsequent host resolutions complete synchronously.
host_resolver_->set_synchronous_mode(true);
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
EXPECT_THAT(StartRequest("a", kDefaultPriority), IsOk());
// Reached per-group limit, queue up requests.
EXPECT_THAT(StartRequest("a", LOWEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", MEDIUM), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", MEDIUM), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOW), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", HIGHEST), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOW), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOW), IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest("a", LOWEST), IsError(ERR_IO_PENDING));
// Cancel a request.
size_t index_to_cancel = kMaxSocketsPerGroup + 2;
EXPECT_FALSE((*requests())[index_to_cancel]->handle()->is_initialized());
(*requests())[index_to_cancel]->handle()->Reset();
ReleaseAllConnections(ClientSocketPoolTest::KEEP_ALIVE);
EXPECT_EQ(kMaxSocketsPerGroup,
client_socket_factory_.allocation_count());
EXPECT_EQ(requests()->size() - kMaxSocketsPerGroup, completion_count());
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));
EXPECT_EQ(14, GetOrderOfRequest(7));
EXPECT_EQ(7, GetOrderOfRequest(8));
EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound,
GetOrderOfRequest(9)); // Canceled request.
EXPECT_EQ(9, GetOrderOfRequest(10));
EXPECT_EQ(10, GetOrderOfRequest(11));
EXPECT_EQ(11, GetOrderOfRequest(12));
EXPECT_EQ(8, GetOrderOfRequest(13));
EXPECT_EQ(12, GetOrderOfRequest(14));
EXPECT_EQ(13, GetOrderOfRequest(15));
EXPECT_EQ(15, GetOrderOfRequest(16));
// Make sure we test order of all requests made.
EXPECT_EQ(ClientSocketPoolTest::kIndexOutOfBounds, GetOrderOfRequest(17));
}
class RequestSocketCallback : public TestCompletionCallbackBase {
public:
RequestSocketCallback(ClientSocketHandle* handle,
TransportClientSocketPool* pool)
: handle_(handle), pool_(pool), within_callback_(false) {}
~RequestSocketCallback() override = default;
CompletionOnceCallback callback() {
return base::BindOnce(&RequestSocketCallback::OnComplete,
base::Unretained(this));
}
private:
void OnComplete(int result) {
SetResult(result);
ASSERT_THAT(result, IsOk());
if (!within_callback_) {
// Don't allow reuse of the socket. Disconnect it and then release it and
// run through the MessageLoop once to get it completely released.
handle_->socket()->Disconnect();
handle_->Reset();
base::RunLoop(base::RunLoop::Type::kNestableTasksAllowed).RunUntilIdle();
within_callback_ = true;
scoped_refptr<TransportSocketParams> dest(
new TransportSocketParams(HostPortPair("www.google.com", 80), false,
OnHostResolutionCallback()));
int rv = handle_->Init("a", dest, LOWEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback(), pool_, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
}
}
ClientSocketHandle* const handle_;
TransportClientSocketPool* const pool_;
bool within_callback_;
DISALLOW_COPY_AND_ASSIGN(RequestSocketCallback);
};
TEST_F(TransportClientSocketPoolTest, RequestTwice) {
ClientSocketHandle handle;
RequestSocketCallback callback(&handle, &pool_);
scoped_refptr<TransportSocketParams> dest(new TransportSocketParams(
HostPortPair("www.google.com", 80), false, OnHostResolutionCallback()));
int rv = handle.Init("a", dest, LOWEST, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
ASSERT_THAT(rv, IsError(ERR_IO_PENDING));
// The callback is going to request "www.google.com". We want it to complete
// synchronously this time.
host_resolver_->set_synchronous_mode(true);
EXPECT_THAT(callback.WaitForResult(), IsOk());
handle.Reset();
}
// Make sure that pending requests get serviced after active requests get
// cancelled.
TEST_F(TransportClientSocketPoolTest, 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++)
(*requests())[i]->handle()->Reset();
// Let's wait for the rest to complete now.
for (size_t i = kMaxSocketsPerGroup; i < requests()->size(); ++i) {
EXPECT_THAT((*requests())[i]->WaitForResult(), IsOk());
(*requests())[i]->handle()->Reset();
}
EXPECT_EQ(requests()->size() - kMaxSocketsPerGroup, completion_count());
}
// Make sure that pending requests get serviced after active requests fail.
TEST_F(TransportClientSocketPoolTest, 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((*requests())[i]->WaitForResult(),
IsError(ERR_CONNECTION_FAILED));
}
TEST_F(TransportClientSocketPoolTest, IdleSocketLoadTiming) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
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);
handle.Reset();
// Need to run all pending to release the socket back to the pool.
base::RunLoop().RunUntilIdle();
// Now we should have 1 idle socket.
EXPECT_EQ(1, pool_.IdleSocketCount());
rv = handle.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_EQ(0, pool_.IdleSocketCount());
TestLoadTimingInfoConnectedReused(handle);
}
TEST_F(TransportClientSocketPoolTest, ResetIdleSocketsOnIPAddressChange) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
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());
handle.Reset();
// Need to run all pending to release the socket back to the pool.
base::RunLoop().RunUntilIdle();
// Now we should have 1 idle socket.
EXPECT_EQ(1, pool_.IdleSocketCount());
// After an IP address change, we should have 0 idle sockets.
NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
base::RunLoop().RunUntilIdle(); // Notification happens async.
EXPECT_EQ(0, pool_.IdleSocketCount());
}
TEST_F(TransportClientSocketPoolTest, BackupSocketConnect) {
// Case 1 tests the first socket stalling, and the backup connecting.
MockTransportClientSocketFactory::ClientSocketType case1_types[] = {
// The first socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// The second socket will connect more quickly.
MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET
};
// Case 2 tests the first socket being slow, so that we start the
// second connect, but the second connect stalls, and we still
// complete the first.
MockTransportClientSocketFactory::ClientSocketType case2_types[] = {
// The first socket will connect, although delayed.
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET,
// The second socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET
};
MockTransportClientSocketFactory::ClientSocketType* cases[2] = {
case1_types,
case2_types
};
for (size_t index = 0; index < base::size(cases); ++index) {
client_socket_factory_.set_client_socket_types(cases[index], 2);
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::RunLoop().RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs + 50));
// Let the appropriate socket connect.
base::RunLoop().RunUntilIdle();
EXPECT_THAT(callback.WaitForResult(), IsOk());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
// One socket is stalled, the other is active.
EXPECT_EQ(0, pool_.IdleSocketCount());
handle.Reset();
// Close all pending connect jobs and existing sockets.
pool_.FlushWithError(ERR_NETWORK_CHANGED);
}
}
// Test the case where a socket took long enough to start the creation
// of the backup socket, but then we cancelled the request after that.
TEST_F(TransportClientSocketPoolTest, BackupSocketCancel) {
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET);
enum { CANCEL_BEFORE_WAIT, CANCEL_AFTER_WAIT };
for (int index = CANCEL_BEFORE_WAIT; index < CANCEL_AFTER_WAIT; ++index) {
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("c", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::RunLoop().RunUntilIdle();
if (index == CANCEL_AFTER_WAIT) {
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
}
// Let the appropriate socket connect.
base::RunLoop().RunUntilIdle();
handle.Reset();
EXPECT_FALSE(callback.have_result());
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// One socket is stalled, the other is active.
EXPECT_EQ(0, pool_.IdleSocketCount());
}
}
// Test the case where a socket took long enough to start the creation
// of the backup socket and never completes, and then the backup
// connection fails.
TEST_F(TransportClientSocketPoolTest, BackupSocketFailAfterStall) {
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// The first socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// The second socket will fail immediately.
MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::RunLoop().RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
// Let the second connect be synchronous. Otherwise, the emulated
// host resolution takes an extra trip through the message loop.
host_resolver_->set_synchronous_mode(true);
// Let the appropriate socket connect.
base::RunLoop().RunUntilIdle();
EXPECT_THAT(callback.WaitForResult(), IsError(ERR_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
ASSERT_EQ(1u, handle.connection_attempts().size());
EXPECT_THAT(handle.connection_attempts()[0].result,
IsError(ERR_CONNECTION_FAILED));
EXPECT_EQ(0, pool_.IdleSocketCount());
handle.Reset();
}
// Test the case where a socket took long enough to start the creation
// of the backup socket and eventually completes, but the backup socket
// fails.
TEST_F(TransportClientSocketPoolTest, BackupSocketFailAfterDelay) {
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// The first socket will connect, although delayed.
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET,
// The second socket will not connect.
MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
client_socket_factory_.set_delay(base::TimeDelta::FromSeconds(5));
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::RunLoop().RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
// Let the second connect be synchronous. Otherwise, the emulated
// host resolution takes an extra trip through the message loop.
host_resolver_->set_synchronous_mode(true);
// Let the appropriate socket connect.
base::RunLoop().RunUntilIdle();
EXPECT_THAT(callback.WaitForResult(), IsError(ERR_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
ASSERT_EQ(1u, handle.connection_attempts().size());
EXPECT_THAT(handle.connection_attempts()[0].result,
IsError(ERR_CONNECTION_FAILED));
handle.Reset();
}
// Test that SocketTag passed into TransportClientSocketPool is applied to
// returned sockets.
#if defined(OS_ANDROID)
TEST_F(TransportClientSocketPoolTest, Tag) {
// Start test server.
EmbeddedTestServer test_server;
test_server.AddDefaultHandlers(base::FilePath());
ASSERT_TRUE(test_server.Start());
TransportClientSocketPool pool(
kMaxSockets, kMaxSocketsPerGroup, host_resolver_.get(),
ClientSocketFactory::GetDefaultFactory(), NULL, NULL);
ClientSocketHandle handle;
int32_t tag_val1 = 0x12345678;
SocketTag tag1(SocketTag::UNSET_UID, tag_val1);
int32_t tag_val2 = 0x87654321;
SocketTag tag2(getuid(), tag_val2);
// Test socket is tagged before connected.
uint64_t old_traffic = GetTaggedBytes(tag_val1);
scoped_refptr<TransportSocketParams> params(new TransportSocketParams(
test_server.host_port_pair(), false, OnHostResolutionCallback()));
TestCompletionCallback callback;
int rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_THAT(callback.GetResult(rv), IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
EXPECT_GT(GetTaggedBytes(tag_val1), old_traffic);
// Test reused socket is retagged.
StreamSocket* socket = handle.socket();
handle.Reset();
old_traffic = GetTaggedBytes(tag_val2);
rv = handle.Init("a", params, LOW, tag2,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
EXPECT_EQ(handle.socket(), socket);
const char kRequest[] = "GET / HTTP/1.0\n\n";
scoped_refptr<IOBuffer> write_buffer =
base::MakeRefCounted<StringIOBuffer>(kRequest);
rv =
handle.socket()->Write(write_buffer.get(), strlen(kRequest),
callback.callback(), TRAFFIC_ANNOTATION_FOR_TESTS);
EXPECT_EQ(static_cast<int>(strlen(kRequest)), callback.GetResult(rv));
EXPECT_GT(GetTaggedBytes(tag_val2), old_traffic);
// Disconnect socket to prevent reuse.
handle.socket()->Disconnect();
handle.Reset();
// Test connect jobs that are orphaned and then adopted, appropriately apply
// new tag. Request socket with |tag1|.
TestCompletionCallback callback2;
rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
callback2.callback(), &pool, NetLogWithSource());
EXPECT_TRUE(rv == OK || rv == ERR_IO_PENDING) << "Result: " << rv;
// Abort and request socket with |tag2|.
handle.Reset();
rv = handle.Init("a", params, LOW, tag2,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_THAT(callback.GetResult(rv), IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
// Verify socket has |tag2| applied.
old_traffic = GetTaggedBytes(tag_val2);
rv =
handle.socket()->Write(write_buffer.get(), strlen(kRequest),
callback.callback(), TRAFFIC_ANNOTATION_FOR_TESTS);
EXPECT_EQ(static_cast<int>(strlen(kRequest)), callback.GetResult(rv));
EXPECT_GT(GetTaggedBytes(tag_val2), old_traffic);
// Disconnect socket to prevent reuse.
handle.socket()->Disconnect();
handle.Reset();
// Eat the left over connect job from the second request.
// TODO(pauljensen): remove when crbug.com/800731 fixed.
rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
// Disconnect socket to prevent reuse.
handle.socket()->Disconnect();
handle.Reset();
// Test two connect jobs of differing priorities. Start the lower priority one
// first but expect its socket to get vended to the higher priority request.
ClientSocketHandle handle_high_pri;
TestCompletionCallback callback_high_pri;
rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_TRUE(rv == OK || rv == ERR_IO_PENDING) << "Result: " << rv;
int rv_high_pri = handle_high_pri.Init(
"a", params, HIGHEST, tag2, ClientSocketPool::RespectLimits::ENABLED,
callback_high_pri.callback(), &pool, NetLogWithSource());
EXPECT_THAT(callback_high_pri.GetResult(rv_high_pri), IsOk());
EXPECT_TRUE(handle_high_pri.socket());
EXPECT_TRUE(handle_high_pri.socket()->IsConnected());
EXPECT_THAT(callback.GetResult(rv), IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
// Verify |handle_high_pri| has |tag2| applied.
old_traffic = GetTaggedBytes(tag_val2);
rv = handle_high_pri.socket()->Write(write_buffer.get(), strlen(kRequest),
callback.callback(),
TRAFFIC_ANNOTATION_FOR_TESTS);
EXPECT_EQ(static_cast<int>(strlen(kRequest)), callback.GetResult(rv));
EXPECT_GT(GetTaggedBytes(tag_val2), old_traffic);
// Verify |handle| has |tag1| applied.
old_traffic = GetTaggedBytes(tag_val1);
rv =
handle.socket()->Write(write_buffer.get(), strlen(kRequest),
callback.callback(), TRAFFIC_ANNOTATION_FOR_TESTS);
EXPECT_EQ(static_cast<int>(strlen(kRequest)), callback.GetResult(rv));
EXPECT_GT(GetTaggedBytes(tag_val1), old_traffic);
}
#endif
} // namespace
} // namespace net