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socks_client_socket_pool_unittest.cc
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socks_client_socket_pool_unittest.cc
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// 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/socks_client_socket_pool.h"
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/run_loop.h"
#include "base/time/time.h"
#include "build/build_config.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_source.h"
#include "net/log/net_log_with_source.h"
#include "net/socket/client_socket_factory.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/socket_tag.h"
#include "net/socket/socket_test_util.h"
#include "net/test/gtest_util.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 {
namespace {
const int kMaxSockets = 32;
const int kMaxSocketsPerGroup = 6;
// Make sure |handle|'s load times are set correctly. Only connect times should
// be set.
void TestLoadTimingInfo(const ClientSocketHandle& handle) {
LoadTimingInfo load_timing_info;
EXPECT_TRUE(handle.GetLoadTimingInfo(false, &load_timing_info));
// None of these tests use a NetLog.
EXPECT_EQ(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
EXPECT_FALSE(load_timing_info.socket_reused);
ExpectConnectTimingHasTimes(load_timing_info.connect_timing,
CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
}
scoped_refptr<TransportSocketParams> CreateProxyHostParams() {
return new TransportSocketParams(
HostPortPair("proxy", 80), false, OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT);
}
scoped_refptr<SOCKSSocketParams> CreateSOCKSv4Params() {
return new SOCKSSocketParams(CreateProxyHostParams(), false /* socks_v5 */,
HostPortPair("host", 80),
TRAFFIC_ANNOTATION_FOR_TESTS);
}
scoped_refptr<SOCKSSocketParams> CreateSOCKSv5Params() {
return new SOCKSSocketParams(CreateProxyHostParams(), true /* socks_v5 */,
HostPortPair("host", 80),
TRAFFIC_ANNOTATION_FOR_TESTS);
}
class SOCKSClientSocketPoolTest : public testing::Test {
protected:
class SOCKS5MockData {
public:
explicit SOCKS5MockData(IoMode mode) {
writes_.reset(new MockWrite[3]);
writes_[0] = MockWrite(mode, kSOCKS5GreetRequest,
kSOCKS5GreetRequestLength);
writes_[1] = MockWrite(mode, kSOCKS5OkRequest, kSOCKS5OkRequestLength);
writes_[2] = MockWrite(mode, 0);
reads_.reset(new MockRead[3]);
reads_[0] = MockRead(mode, kSOCKS5GreetResponse,
kSOCKS5GreetResponseLength);
reads_[1] = MockRead(mode, kSOCKS5OkResponse, kSOCKS5OkResponseLength);
reads_[2] = MockRead(mode, 0);
data_.reset(new StaticSocketDataProvider(reads_.get(), 3,
writes_.get(), 3));
}
SocketDataProvider* data_provider() { return data_.get(); }
private:
std::unique_ptr<StaticSocketDataProvider> data_;
std::unique_ptr<MockWrite[]> writes_;
std::unique_ptr<MockRead[]> reads_;
};
SOCKSClientSocketPoolTest()
: transport_socket_pool_(kMaxSockets,
kMaxSocketsPerGroup,
&transport_client_socket_factory_),
pool_(kMaxSockets,
kMaxSocketsPerGroup,
&host_resolver_,
&transport_socket_pool_,
NULL,
NULL) {}
~SOCKSClientSocketPoolTest() override = default;
int StartRequestV5(const std::string& group_name, RequestPriority priority) {
return test_base_.StartRequestUsingPool(
&pool_, group_name, priority, ClientSocketPool::RespectLimits::ENABLED,
CreateSOCKSv5Params());
}
int GetOrderOfRequest(size_t index) const {
return test_base_.GetOrderOfRequest(index);
}
std::vector<std::unique_ptr<TestSocketRequest>>* requests() {
return test_base_.requests();
}
MockClientSocketFactory transport_client_socket_factory_;
MockTransportClientSocketPool transport_socket_pool_;
MockHostResolver host_resolver_;
SOCKSClientSocketPool pool_;
ClientSocketPoolTest test_base_;
};
TEST_F(SOCKSClientSocketPoolTest, Simple) {
SOCKS5MockData data(SYNCHRONOUS);
data.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(data.data_provider());
ClientSocketHandle handle;
int rv = handle.Init("a", CreateSOCKSv5Params(), LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
TestLoadTimingInfo(handle);
}
// Make sure that SOCKSConnectJob passes on its priority to its
// socket request on Init.
TEST_F(SOCKSClientSocketPoolTest, SetSocketRequestPriorityOnInit) {
for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) {
RequestPriority priority = static_cast<RequestPriority>(i);
SOCKS5MockData data(SYNCHRONOUS);
data.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(
data.data_provider());
ClientSocketHandle handle;
EXPECT_EQ(OK,
handle.Init("a", CreateSOCKSv5Params(), priority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool_, NetLogWithSource()));
EXPECT_EQ(priority, transport_socket_pool_.last_request_priority());
handle.socket()->Disconnect();
}
}
// Make sure that SOCKSConnectJob passes on its priority to its
// HostResolver request (for non-SOCKS5) on Init.
TEST_F(SOCKSClientSocketPoolTest, SetResolvePriorityOnInit) {
for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) {
RequestPriority priority = static_cast<RequestPriority>(i);
SOCKS5MockData data(SYNCHRONOUS);
data.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(
data.data_provider());
ClientSocketHandle handle;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", CreateSOCKSv4Params(), priority, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool_, NetLogWithSource()));
EXPECT_EQ(priority, transport_socket_pool_.last_request_priority());
EXPECT_EQ(priority, host_resolver_.last_request_priority());
EXPECT_TRUE(handle.socket() == NULL);
}
}
TEST_F(SOCKSClientSocketPoolTest, Async) {
SOCKS5MockData data(ASYNC);
transport_client_socket_factory_.AddSocketDataProvider(data.data_provider());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", CreateSOCKSv5Params(), 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());
TestLoadTimingInfo(handle);
}
TEST_F(SOCKSClientSocketPoolTest, TransportConnectError) {
StaticSocketDataProvider socket_data;
socket_data.set_connect_data(MockConnect(SYNCHRONOUS,
ERR_CONNECTION_REFUSED));
transport_client_socket_factory_.AddSocketDataProvider(&socket_data);
ClientSocketHandle handle;
int rv = handle.Init("a", CreateSOCKSv5Params(), LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_PROXY_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
}
TEST_F(SOCKSClientSocketPoolTest, AsyncTransportConnectError) {
StaticSocketDataProvider socket_data;
socket_data.set_connect_data(MockConnect(ASYNC, ERR_CONNECTION_REFUSED));
transport_client_socket_factory_.AddSocketDataProvider(&socket_data);
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", CreateSOCKSv5Params(), 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(), IsError(ERR_PROXY_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
}
TEST_F(SOCKSClientSocketPoolTest, SOCKSConnectError) {
MockRead failed_read[] = {
MockRead(SYNCHRONOUS, 0),
};
StaticSocketDataProvider socket_data(
failed_read, arraysize(failed_read), NULL, 0);
socket_data.set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(&socket_data);
ClientSocketHandle handle;
EXPECT_EQ(0, transport_socket_pool_.release_count());
int rv = handle.Init("a", CreateSOCKSv5Params(), LOW, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool_, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_SOCKS_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(1, transport_socket_pool_.release_count());
}
TEST_F(SOCKSClientSocketPoolTest, AsyncSOCKSConnectError) {
MockRead failed_read[] = {
MockRead(ASYNC, 0),
};
StaticSocketDataProvider socket_data(
failed_read, arraysize(failed_read), NULL, 0);
socket_data.set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(&socket_data);
TestCompletionCallback callback;
ClientSocketHandle handle;
EXPECT_EQ(0, transport_socket_pool_.release_count());
int rv = handle.Init("a", CreateSOCKSv5Params(), 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(), IsError(ERR_SOCKS_CONNECTION_FAILED));
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(1, transport_socket_pool_.release_count());
}
TEST_F(SOCKSClientSocketPoolTest, CancelDuringTransportConnect) {
SOCKS5MockData data(SYNCHRONOUS);
transport_client_socket_factory_.AddSocketDataProvider(data.data_provider());
// We need two connections because the pool base lets one cancelled
// connect job proceed for potential future use.
SOCKS5MockData data2(SYNCHRONOUS);
transport_client_socket_factory_.AddSocketDataProvider(data2.data_provider());
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
int rv = StartRequestV5("a", LOW);
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
rv = StartRequestV5("a", LOW);
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
pool_.CancelRequest("a", (*requests())[0]->handle());
pool_.CancelRequest("a", (*requests())[1]->handle());
// Requests in the connect phase don't actually get cancelled.
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
// Now wait for the TCP sockets to connect.
base::RunLoop().RunUntilIdle();
EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound, GetOrderOfRequest(1));
EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound, GetOrderOfRequest(2));
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
EXPECT_EQ(2, pool_.IdleSocketCount());
(*requests())[0]->handle()->Reset();
(*requests())[1]->handle()->Reset();
}
TEST_F(SOCKSClientSocketPoolTest, CancelDuringSOCKSConnect) {
SOCKS5MockData data(ASYNC);
data.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(data.data_provider());
// We need two connections because the pool base lets one cancelled
// connect job proceed for potential future use.
SOCKS5MockData data2(ASYNC);
data2.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
transport_client_socket_factory_.AddSocketDataProvider(data2.data_provider());
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
EXPECT_EQ(0, transport_socket_pool_.release_count());
int rv = StartRequestV5("a", LOW);
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
rv = StartRequestV5("a", LOW);
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
pool_.CancelRequest("a", (*requests())[0]->handle());
pool_.CancelRequest("a", (*requests())[1]->handle());
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
// Requests in the connect phase don't actually get cancelled.
EXPECT_EQ(0, transport_socket_pool_.release_count());
// Now wait for the async data to reach the SOCKS connect jobs.
base::RunLoop().RunUntilIdle();
EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound, GetOrderOfRequest(1));
EXPECT_EQ(ClientSocketPoolTest::kRequestNotFound, GetOrderOfRequest(2));
EXPECT_EQ(0, transport_socket_pool_.cancel_count());
EXPECT_EQ(0, transport_socket_pool_.release_count());
EXPECT_EQ(2, pool_.IdleSocketCount());
(*requests())[0]->handle()->Reset();
(*requests())[1]->handle()->Reset();
}
// It would be nice to also test the timeouts in SOCKSClientSocketPool.
// Test that SocketTag passed into SOCKSClientSocketPool is applied to returned
// sockets.
#if defined(OS_ANDROID)
TEST_F(SOCKSClientSocketPoolTest, Tag) {
MockTaggingClientSocketFactory socket_factory;
MockTransportClientSocketPool transport_socket_pool(
kMaxSockets, kMaxSocketsPerGroup, &socket_factory);
SOCKSClientSocketPool pool(kMaxSockets, kMaxSocketsPerGroup, &host_resolver_,
&transport_socket_pool, NULL, NULL);
SocketTag tag1(SocketTag::UNSET_UID, 0x12345678);
SocketTag tag2(getuid(), 0x87654321);
scoped_refptr<TransportSocketParams> tcp_params(new TransportSocketParams(
HostPortPair("proxy", 80), false, OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT));
scoped_refptr<SOCKSSocketParams> params(new SOCKSSocketParams(
tcp_params, true /* socks_v5 */, HostPortPair("host", 80),
TRAFFIC_ANNOTATION_FOR_TESTS));
// Test socket is tagged when created synchronously.
SOCKS5MockData data_sync(SYNCHRONOUS);
data_sync.data_provider()->set_connect_data(MockConnect(SYNCHRONOUS, OK));
socket_factory.AddSocketDataProvider(data_sync.data_provider());
ClientSocketHandle handle;
int rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
EXPECT_EQ(socket_factory.GetLastProducedTCPSocket()->tag(), tag1);
EXPECT_TRUE(
socket_factory.GetLastProducedTCPSocket()->tagged_before_connected());
// Test socket is tagged when reused synchronously.
StreamSocket* socket = handle.socket();
handle.Reset();
rv = handle.Init("a", params, LOW, tag2,
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
EXPECT_EQ(handle.socket(), socket);
EXPECT_EQ(socket_factory.GetLastProducedTCPSocket()->tag(), tag2);
handle.socket()->Disconnect();
handle.Reset();
// Test socket is tagged when created asynchronously.
SOCKS5MockData data_async(ASYNC);
socket_factory.AddSocketDataProvider(data_async.data_provider());
TestCompletionCallback callback;
rv = handle.Init("a", params, LOW, tag1,
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsError(ERR_IO_PENDING));
EXPECT_THAT(callback.WaitForResult(), IsOk());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
EXPECT_EQ(socket_factory.GetLastProducedTCPSocket()->tag(), tag1);
EXPECT_TRUE(
socket_factory.GetLastProducedTCPSocket()->tagged_before_connected());
// Test socket is tagged when reused after being created asynchronously.
socket = handle.socket();
handle.Reset();
rv = handle.Init("a", params, LOW, tag2,
ClientSocketPool::RespectLimits::ENABLED,
CompletionCallback(), &pool, NetLogWithSource());
EXPECT_THAT(rv, IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(handle.socket()->IsConnected());
EXPECT_EQ(handle.socket(), socket);
EXPECT_EQ(socket_factory.GetLastProducedTCPSocket()->tag(), tag2);
}
#endif
} // namespace
} // namespace net