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client_socket_pool_base_unittest.cc
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client_socket_pool_base_unittest.cc
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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <utility>
#include <vector>
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/notreached.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
#include "base/values.h"
#include "net/base/features.h"
#include "net/base/host_port_pair.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/network_anonymization_key.h"
#include "net/base/privacy_mode.h"
#include "net/base/proxy_server.h"
#include "net/base/proxy_string_util.h"
#include "net/base/request_priority.h"
#include "net/base/schemeful_site.h"
#include "net/base/test_completion_callback.h"
#include "net/dns/public/resolve_error_info.h"
#include "net/dns/public/secure_dns_policy.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_response_info.h"
#include "net/log/net_log.h"
#include "net/log/net_log_event_type.h"
#include "net/log/net_log_source.h"
#include "net/log/net_log_source_type.h"
#include "net/log/test_net_log.h"
#include "net/log/test_net_log_util.h"
#include "net/socket/client_socket_factory.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/connect_job_factory.h"
#include "net/socket/datagram_client_socket.h"
#include "net/socket/socket_performance_watcher.h"
#include "net/socket/socket_tag.h"
#include "net/socket/socket_test_util.h"
#include "net/socket/ssl_client_socket.h"
#include "net/socket/stream_socket.h"
#include "net/socket/transport_client_socket_pool.h"
#include "net/socket/transport_connect_job.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/test/gtest_util.h"
#include "net/test/test_with_task_environment.h"
#include "net/traffic_annotation/network_traffic_annotation.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"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "url/scheme_host_port.h"
#include "url/url_constants.h"
using net::test::IsError;
using net::test::IsOk;
using ::testing::Invoke;
using ::testing::Return;
namespace net {
namespace {
const int kDefaultMaxSockets = 4;
const int kDefaultMaxSocketsPerGroup = 2;
constexpr base::TimeDelta kUnusedIdleSocketTimeout = base::Seconds(10);
ClientSocketPool::GroupId TestGroupId(
base::StringPiece host,
int port = 80,
base::StringPiece scheme = url::kHttpScheme,
PrivacyMode privacy_mode = PrivacyMode::PRIVACY_MODE_DISABLED,
NetworkAnonymizationKey network_anonymization_key =
NetworkAnonymizationKey()) {
return ClientSocketPool::GroupId(url::SchemeHostPort(scheme, host, port),
privacy_mode, network_anonymization_key,
SecureDnsPolicy::kAllow);
}
// Make sure |handle| sets load times correctly when it has been assigned a
// reused socket.
void TestLoadTimingInfoConnectedReused(const ClientSocketHandle& handle) {
LoadTimingInfo load_timing_info;
// Only pass true in as |is_reused|, as in general, HttpStream types should
// have stricter concepts of reuse than socket pools.
EXPECT_TRUE(handle.GetLoadTimingInfo(true, &load_timing_info));
EXPECT_EQ(true, load_timing_info.socket_reused);
EXPECT_NE(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
ExpectConnectTimingHasNoTimes(load_timing_info.connect_timing);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
}
// Make sure |handle| sets load times correctly when it has been assigned a
// fresh socket. Also runs TestLoadTimingInfoConnectedReused, since the owner
// of a connection where |is_reused| is false may consider the connection
// reused.
void TestLoadTimingInfoConnectedNotReused(const ClientSocketHandle& handle) {
EXPECT_FALSE(handle.is_reused());
LoadTimingInfo load_timing_info;
EXPECT_TRUE(handle.GetLoadTimingInfo(false, &load_timing_info));
EXPECT_FALSE(load_timing_info.socket_reused);
EXPECT_NE(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
ExpectConnectTimingHasTimes(load_timing_info.connect_timing,
CONNECT_TIMING_HAS_CONNECT_TIMES_ONLY);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
TestLoadTimingInfoConnectedReused(handle);
}
// Make sure |handle| sets load times correctly, in the case that it does not
// currently have a socket.
void TestLoadTimingInfoNotConnected(const ClientSocketHandle& handle) {
// Should only be set to true once a socket is assigned, if at all.
EXPECT_FALSE(handle.is_reused());
LoadTimingInfo load_timing_info;
EXPECT_FALSE(handle.GetLoadTimingInfo(false, &load_timing_info));
EXPECT_FALSE(load_timing_info.socket_reused);
EXPECT_EQ(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
ExpectConnectTimingHasNoTimes(load_timing_info.connect_timing);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
}
class MockClientSocket : public StreamSocket {
public:
explicit MockClientSocket(net::NetLog* net_log)
: net_log_(NetLogWithSource::Make(net_log, NetLogSourceType::SOCKET)) {}
MockClientSocket(const MockClientSocket&) = delete;
MockClientSocket& operator=(const MockClientSocket&) = delete;
// Sets whether the socket has unread data. If true, the next call to Read()
// will return 1 byte and IsConnectedAndIdle() will return false.
void set_has_unread_data(bool has_unread_data) {
has_unread_data_ = has_unread_data;
}
// Socket implementation.
int Read(IOBuffer* /* buf */,
int len,
CompletionOnceCallback /* callback */) override {
if (has_unread_data_ && len > 0) {
has_unread_data_ = false;
was_used_to_convey_data_ = true;
return 1;
}
return ERR_UNEXPECTED;
}
int Write(
IOBuffer* /* buf */,
int len,
CompletionOnceCallback /* callback */,
const NetworkTrafficAnnotationTag& /*traffic_annotation*/) override {
was_used_to_convey_data_ = true;
return len;
}
int SetReceiveBufferSize(int32_t size) override { return OK; }
int SetSendBufferSize(int32_t size) override { return OK; }
// StreamSocket implementation.
int Connect(CompletionOnceCallback callback) override {
connected_ = true;
return OK;
}
void Disconnect() override { connected_ = false; }
bool IsConnected() const override { return connected_; }
bool IsConnectedAndIdle() const override {
return connected_ && !has_unread_data_;
}
int GetPeerAddress(IPEndPoint* /* address */) const override {
return ERR_UNEXPECTED;
}
int GetLocalAddress(IPEndPoint* /* address */) const override {
return ERR_UNEXPECTED;
}
const NetLogWithSource& NetLog() const override { return net_log_; }
bool WasEverUsed() const override { return was_used_to_convey_data_; }
bool WasAlpnNegotiated() const override { return false; }
NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
int64_t GetTotalReceivedBytes() const override {
NOTIMPLEMENTED();
return 0;
}
void ApplySocketTag(const SocketTag& tag) override {}
private:
bool connected_ = false;
bool has_unread_data_ = false;
NetLogWithSource net_log_;
bool was_used_to_convey_data_ = false;
};
class TestConnectJob;
class MockClientSocketFactory : public ClientSocketFactory {
public:
MockClientSocketFactory() = default;
std::unique_ptr<DatagramClientSocket> CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
NetLog* net_log,
const NetLogSource& source) override {
NOTREACHED();
return nullptr;
}
std::unique_ptr<TransportClientSocket> CreateTransportClientSocket(
const AddressList& addresses,
std::unique_ptr<
SocketPerformanceWatcher> /* socket_performance_watcher */,
NetworkQualityEstimator* /* network_quality_estimator */,
NetLog* /* net_log */,
const NetLogSource& /*source*/) override {
allocation_count_++;
return nullptr;
}
std::unique_ptr<SSLClientSocket> CreateSSLClientSocket(
SSLClientContext* context,
std::unique_ptr<StreamSocket> stream_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config) override {
NOTIMPLEMENTED();
return nullptr;
}
void WaitForSignal(TestConnectJob* job) { waiting_jobs_.push_back(job); }
void SignalJobs();
void SignalJob(size_t job);
void SetJobLoadState(size_t job, LoadState load_state);
// Sets the HasConnectionEstablished value of the specified job to true,
// without invoking the callback.
void SetJobHasEstablishedConnection(size_t job);
int allocation_count() const { return allocation_count_; }
private:
int allocation_count_ = 0;
std::vector<TestConnectJob*> waiting_jobs_;
};
class TestConnectJob : public ConnectJob {
public:
enum JobType {
kMockJob,
kMockFailingJob,
kMockPendingJob,
kMockPendingFailingJob,
kMockWaitingJob,
// Certificate errors return a socket in addition to an error code.
kMockCertErrorJob,
kMockPendingCertErrorJob,
kMockAdditionalErrorStateJob,
kMockPendingAdditionalErrorStateJob,
kMockUnreadDataJob,
kMockAuthChallengeOnceJob,
kMockAuthChallengeTwiceJob,
kMockAuthChallengeOnceFailingJob,
kMockAuthChallengeTwiceFailingJob,
};
// The kMockPendingJob uses a slight delay before allowing the connect
// to complete.
static const int kPendingConnectDelay = 2;
TestConnectJob(JobType job_type,
RequestPriority request_priority,
SocketTag socket_tag,
base::TimeDelta timeout_duration,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate,
MockClientSocketFactory* client_socket_factory)
: ConnectJob(request_priority,
socket_tag,
timeout_duration,
common_connect_job_params,
delegate,
nullptr /* net_log */,
NetLogSourceType::TRANSPORT_CONNECT_JOB,
NetLogEventType::TRANSPORT_CONNECT_JOB_CONNECT),
job_type_(job_type),
client_socket_factory_(client_socket_factory) {}
TestConnectJob(const TestConnectJob&) = delete;
TestConnectJob& operator=(const TestConnectJob&) = delete;
void Signal() {
DoConnect(waiting_success_, true /* async */, false /* recoverable */);
}
void set_load_state(LoadState load_state) { load_state_ = load_state; }
void set_has_established_connection() {
DCHECK(!has_established_connection_);
has_established_connection_ = true;
}
// From ConnectJob:
LoadState GetLoadState() const override { return load_state_; }
bool HasEstablishedConnection() const override {
return has_established_connection_;
}
ResolveErrorInfo GetResolveErrorInfo() const override {
return ResolveErrorInfo(OK);
}
bool IsSSLError() const override { return store_additional_error_state_; }
scoped_refptr<SSLCertRequestInfo> GetCertRequestInfo() override {
if (store_additional_error_state_)
return base::MakeRefCounted<SSLCertRequestInfo>();
return nullptr;
}
private:
// From ConnectJob:
int ConnectInternal() override {
AddressList ignored;
client_socket_factory_->CreateTransportClientSocket(
ignored, nullptr, nullptr, nullptr, NetLogSource());
switch (job_type_) {
case kMockJob:
return DoConnect(true /* successful */, false /* sync */,
false /* cert_error */);
case kMockFailingJob:
return DoConnect(false /* error */, false /* sync */,
false /* cert_error */);
case kMockPendingJob:
set_load_state(LOAD_STATE_CONNECTING);
// Depending on execution timings, posting a delayed task can result
// in the task getting executed the at the earliest possible
// opportunity or only after returning once from the message loop and
// then a second call into the message loop. In order to make behavior
// more deterministic, we change the default delay to 2ms. This should
// always require us to wait for the second call into the message loop.
//
// N.B. The correct fix for this and similar timing problems is to
// abstract time for the purpose of unittests. Unfortunately, we have
// a lot of third-party components that directly call the various
// time functions, so this change would be rather invasive.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(base::IgnoreResult(&TestConnectJob::DoConnect),
weak_factory_.GetWeakPtr(), true /* successful */,
true /* async */, false /* cert_error */),
base::Milliseconds(kPendingConnectDelay));
return ERR_IO_PENDING;
case kMockPendingFailingJob:
set_load_state(LOAD_STATE_CONNECTING);
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(base::IgnoreResult(&TestConnectJob::DoConnect),
weak_factory_.GetWeakPtr(), false /* error */,
true /* async */, false /* cert_error */),
base::Milliseconds(2));
return ERR_IO_PENDING;
case kMockWaitingJob:
set_load_state(LOAD_STATE_CONNECTING);
client_socket_factory_->WaitForSignal(this);
waiting_success_ = true;
return ERR_IO_PENDING;
case kMockCertErrorJob:
return DoConnect(false /* error */, false /* sync */,
true /* cert_error */);
case kMockPendingCertErrorJob:
set_load_state(LOAD_STATE_CONNECTING);
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(base::IgnoreResult(&TestConnectJob::DoConnect),
weak_factory_.GetWeakPtr(), false /* error */,
true /* async */, true /* cert_error */),
base::Milliseconds(2));
return ERR_IO_PENDING;
case kMockAdditionalErrorStateJob:
store_additional_error_state_ = true;
return DoConnect(false /* error */, false /* sync */,
false /* cert_error */);
case kMockPendingAdditionalErrorStateJob:
set_load_state(LOAD_STATE_CONNECTING);
store_additional_error_state_ = true;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(base::IgnoreResult(&TestConnectJob::DoConnect),
weak_factory_.GetWeakPtr(), false /* error */,
true /* async */, false /* cert_error */),
base::Milliseconds(2));
return ERR_IO_PENDING;
case kMockUnreadDataJob: {
int ret = DoConnect(true /* successful */, false /* sync */,
false /* cert_error */);
static_cast<MockClientSocket*>(socket())->set_has_unread_data(true);
return ret;
}
case kMockAuthChallengeOnceJob:
set_load_state(LOAD_STATE_CONNECTING);
DoAdvanceAuthChallenge(1, true /* succeed_after_last_challenge */);
return ERR_IO_PENDING;
case kMockAuthChallengeTwiceJob:
set_load_state(LOAD_STATE_CONNECTING);
DoAdvanceAuthChallenge(2, true /* succeed_after_last_challenge */);
return ERR_IO_PENDING;
case kMockAuthChallengeOnceFailingJob:
set_load_state(LOAD_STATE_CONNECTING);
DoAdvanceAuthChallenge(1, false /* succeed_after_last_challenge */);
return ERR_IO_PENDING;
case kMockAuthChallengeTwiceFailingJob:
set_load_state(LOAD_STATE_CONNECTING);
DoAdvanceAuthChallenge(2, false /* succeed_after_last_challenge */);
return ERR_IO_PENDING;
default:
NOTREACHED();
SetSocket(std::unique_ptr<StreamSocket>(), absl::nullopt);
return ERR_FAILED;
}
}
void ChangePriorityInternal(RequestPriority priority) override {}
int DoConnect(bool succeed, bool was_async, bool cert_error) {
int result = OK;
has_established_connection_ = true;
if (succeed) {
SetSocket(std::make_unique<MockClientSocket>(net_log().net_log()),
absl::nullopt);
socket()->Connect(CompletionOnceCallback());
} else if (cert_error) {
SetSocket(std::make_unique<MockClientSocket>(net_log().net_log()),
absl::nullopt);
result = ERR_CERT_COMMON_NAME_INVALID;
} else {
result = ERR_CONNECTION_FAILED;
SetSocket(std::unique_ptr<StreamSocket>(), absl::nullopt);
}
if (was_async)
NotifyDelegateOfCompletion(result);
return result;
}
void DoAdvanceAuthChallenge(int remaining_challenges,
bool succeed_after_last_challenge) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&TestConnectJob::InvokeNextProxyAuthCallback,
weak_factory_.GetWeakPtr(), remaining_challenges,
succeed_after_last_challenge));
}
void InvokeNextProxyAuthCallback(int remaining_challenges,
bool succeed_after_last_challenge) {
set_load_state(LOAD_STATE_ESTABLISHING_PROXY_TUNNEL);
if (remaining_challenges == 0) {
DoConnect(succeed_after_last_challenge, true /* was_async */,
false /* cert_error */);
return;
}
// Integration tests make sure HttpResponseInfo and HttpAuthController work.
// The auth tests here are just focused on ConnectJob bookkeeping.
HttpResponseInfo info;
NotifyDelegateOfProxyAuth(
info, nullptr /* http_auth_controller */,
base::BindOnce(&TestConnectJob::DoAdvanceAuthChallenge,
weak_factory_.GetWeakPtr(), remaining_challenges - 1,
succeed_after_last_challenge));
}
bool waiting_success_;
const JobType job_type_;
const raw_ptr<MockClientSocketFactory> client_socket_factory_;
LoadState load_state_ = LOAD_STATE_IDLE;
bool has_established_connection_ = false;
bool store_additional_error_state_ = false;
base::WeakPtrFactory<TestConnectJob> weak_factory_{this};
};
class TestConnectJobFactory : public ConnectJobFactory {
public:
explicit TestConnectJobFactory(MockClientSocketFactory* client_socket_factory)
: client_socket_factory_(client_socket_factory) {}
TestConnectJobFactory(const TestConnectJobFactory&) = delete;
TestConnectJobFactory& operator=(const TestConnectJobFactory&) = delete;
~TestConnectJobFactory() override = default;
void set_job_type(TestConnectJob::JobType job_type) { job_type_ = job_type; }
void set_job_types(std::list<TestConnectJob::JobType>* job_types) {
job_types_ = job_types;
CHECK(!job_types_->empty());
}
void set_timeout_duration(base::TimeDelta timeout_duration) {
timeout_duration_ = timeout_duration;
}
// ConnectJobFactory implementation.
std::unique_ptr<ConnectJob> CreateConnectJob(
Endpoint endpoint,
const ProxyServer& proxy_server,
const absl::optional<NetworkTrafficAnnotationTag>& proxy_annotation_tag,
const SSLConfig* ssl_config_for_origin,
const SSLConfig* ssl_config_for_proxy,
bool force_tunnel,
PrivacyMode privacy_mode,
const OnHostResolutionCallback& resolution_callback,
RequestPriority request_priority,
SocketTag socket_tag,
const NetworkAnonymizationKey& network_anonymization_key,
SecureDnsPolicy secure_dns_policy,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate) const override {
EXPECT_TRUE(!job_types_ || !job_types_->empty());
TestConnectJob::JobType job_type = job_type_;
if (job_types_ && !job_types_->empty()) {
job_type = job_types_->front();
job_types_->pop_front();
}
return std::make_unique<TestConnectJob>(
job_type, request_priority, socket_tag, timeout_duration_,
common_connect_job_params, delegate, client_socket_factory_);
}
private:
TestConnectJob::JobType job_type_ = TestConnectJob::kMockJob;
raw_ptr<std::list<TestConnectJob::JobType>> job_types_ = nullptr;
base::TimeDelta timeout_duration_;
const raw_ptr<MockClientSocketFactory> client_socket_factory_;
};
} // namespace
namespace {
void MockClientSocketFactory::SignalJobs() {
for (auto* waiting_job : waiting_jobs_) {
waiting_job->Signal();
}
waiting_jobs_.clear();
}
void MockClientSocketFactory::SignalJob(size_t job) {
ASSERT_LT(job, waiting_jobs_.size());
waiting_jobs_[job]->Signal();
waiting_jobs_.erase(waiting_jobs_.begin() + job);
}
void MockClientSocketFactory::SetJobLoadState(size_t job,
LoadState load_state) {
ASSERT_LT(job, waiting_jobs_.size());
waiting_jobs_[job]->set_load_state(load_state);
}
void MockClientSocketFactory::SetJobHasEstablishedConnection(size_t job) {
ASSERT_LT(job, waiting_jobs_.size());
waiting_jobs_[job]->set_has_established_connection();
}
class ClientSocketPoolBaseTest : public TestWithTaskEnvironment {
protected:
ClientSocketPoolBaseTest()
: TestWithTaskEnvironment(
base::test::TaskEnvironment::TimeSource::MOCK_TIME),
params_(ClientSocketPool::SocketParams::CreateForHttpForTesting()) {
connect_backup_jobs_enabled_ =
TransportClientSocketPool::connect_backup_jobs_enabled();
TransportClientSocketPool::set_connect_backup_jobs_enabled(true);
}
~ClientSocketPoolBaseTest() override {
TransportClientSocketPool::set_connect_backup_jobs_enabled(
connect_backup_jobs_enabled_);
}
void CreatePool(int max_sockets,
int max_sockets_per_group,
bool enable_backup_connect_jobs = false) {
CreatePoolWithIdleTimeouts(max_sockets, max_sockets_per_group,
kUnusedIdleSocketTimeout,
ClientSocketPool::used_idle_socket_timeout(),
enable_backup_connect_jobs);
}
void CreatePoolWithIdleTimeouts(
int max_sockets,
int max_sockets_per_group,
base::TimeDelta unused_idle_socket_timeout,
base::TimeDelta used_idle_socket_timeout,
bool enable_backup_connect_jobs = false,
ProxyServer proxy_server = ProxyServer::Direct()) {
DCHECK(!pool_.get());
std::unique_ptr<TestConnectJobFactory> connect_job_factory =
std::make_unique<TestConnectJobFactory>(&client_socket_factory_);
connect_job_factory_ = connect_job_factory.get();
pool_ = TransportClientSocketPool::CreateForTesting(
max_sockets, max_sockets_per_group, unused_idle_socket_timeout,
used_idle_socket_timeout, proxy_server, /*is_for_websockets=*/false,
&common_connect_job_params_, std::move(connect_job_factory),
nullptr /* ssl_config_service */, enable_backup_connect_jobs);
}
int StartRequestWithIgnoreLimits(
const ClientSocketPool::GroupId& group_id,
RequestPriority priority,
ClientSocketPool::RespectLimits respect_limits) {
return test_base_.StartRequestUsingPool(pool_.get(), group_id, priority,
respect_limits, params_);
}
int StartRequest(const ClientSocketPool::GroupId& group_id,
RequestPriority priority) {
return StartRequestWithIgnoreLimits(
group_id, priority, ClientSocketPool::RespectLimits::ENABLED);
}
int GetOrderOfRequest(size_t index) const {
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);
}
// Expects a single NetLogEventType::SOCKET_POOL_CLOSING_SOCKET in |net_log_|.
// It should be logged for the provided source and have the indicated reason.
void ExpectSocketClosedWithReason(NetLogSource expected_source,
const char* expected_reason) {
auto entries = net_log_observer_.GetEntriesForSourceWithType(
expected_source, NetLogEventType::SOCKET_POOL_CLOSING_SOCKET,
NetLogEventPhase::NONE);
ASSERT_EQ(1u, entries.size());
ASSERT_TRUE(entries[0].HasParams());
const std::string* reason = entries[0].params.FindString("reason");
ASSERT_TRUE(reason);
EXPECT_EQ(expected_reason, *reason);
}
TestSocketRequest* request(int i) { return test_base_.request(i); }
size_t requests_size() const { return test_base_.requests_size(); }
std::vector<std::unique_ptr<TestSocketRequest>>* requests() {
return test_base_.requests();
}
// Only counts the requests that get sockets asynchronously;
// synchronous completions are not registered by this count.
size_t completion_count() const { return test_base_.completion_count(); }
const CommonConnectJobParams common_connect_job_params_{
nullptr /* client_socket_factory */,
nullptr /* host_resolver */,
nullptr /* http_auth_cache */,
nullptr /* http_auth_handler_factory */,
nullptr /* spdy_session_pool */,
nullptr /* quic_supported_versions */,
nullptr /* quic_stream_factory */,
nullptr /* proxy_delegate */,
nullptr /* http_user_agent_settings */,
nullptr /* ssl_client_context */,
nullptr /* socket_performance_watcher_factory */,
nullptr /* network_quality_estimator */,
NetLog::Get(),
nullptr /* websocket_endpoint_lock_manager */};
bool connect_backup_jobs_enabled_;
MockClientSocketFactory client_socket_factory_;
RecordingNetLogObserver net_log_observer_;
// These parameters are never actually used to create a TransportConnectJob.
scoped_refptr<ClientSocketPool::SocketParams> params_;
// Must outlive `connect_job_factory_`
std::unique_ptr<TransportClientSocketPool> pool_;
raw_ptr<TestConnectJobFactory> connect_job_factory_;
ClientSocketPoolTest test_base_;
};
TEST_F(ClientSocketPoolBaseTest, BasicSynchronous) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
TestCompletionCallback callback;
ClientSocketHandle handle;
NetLogWithSource net_log_with_source =
NetLogWithSource::Make(NetLogSourceType::NONE);
TestLoadTimingInfoNotConnected(handle);
EXPECT_EQ(OK, handle.Init(
TestGroupId("a"), params_, absl::nullopt, DEFAULT_PRIORITY,
SocketTag(), ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), ClientSocketPool::ProxyAuthCallback(),
pool_.get(), net_log_with_source));
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
TestLoadTimingInfoConnectedNotReused(handle);
handle.Reset();
TestLoadTimingInfoNotConnected(handle);
auto entries =
net_log_observer_.GetEntriesForSource(net_log_with_source.source());
EXPECT_EQ(5u, entries.size());
EXPECT_TRUE(LogContainsEvent(
entries, 0, NetLogEventType::TCP_CLIENT_SOCKET_POOL_REQUESTED_SOCKET,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsBeginEvent(entries, 1, NetLogEventType::SOCKET_POOL));
EXPECT_TRUE(LogContainsEvent(
entries, 2, NetLogEventType::SOCKET_POOL_BOUND_TO_CONNECT_JOB,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsEvent(entries, 3,
NetLogEventType::SOCKET_POOL_BOUND_TO_SOCKET,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsEndEvent(entries, 4, NetLogEventType::SOCKET_POOL));
}
TEST_F(ClientSocketPoolBaseTest, InitConnectionFailure) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
connect_job_factory_->set_job_type(TestConnectJob::kMockFailingJob);
NetLogWithSource net_log_with_source =
NetLogWithSource::Make(NetLogSourceType::NONE);
ClientSocketHandle handle;
TestCompletionCallback callback;
// Set the additional error state members to ensure that they get cleared.
handle.set_is_ssl_error(true);
handle.set_ssl_cert_request_info(base::MakeRefCounted<SSLCertRequestInfo>());
EXPECT_EQ(
ERR_CONNECTION_FAILED,
handle.Init(TestGroupId("a"), params_, absl::nullopt, DEFAULT_PRIORITY,
SocketTag(), ClientSocketPool::RespectLimits::ENABLED,
callback.callback(), ClientSocketPool::ProxyAuthCallback(),
pool_.get(), net_log_with_source));
EXPECT_FALSE(handle.socket());
EXPECT_FALSE(handle.is_ssl_error());
EXPECT_FALSE(handle.ssl_cert_request_info());
TestLoadTimingInfoNotConnected(handle);
auto entries =
net_log_observer_.GetEntriesForSource(net_log_with_source.source());
EXPECT_EQ(4u, entries.size());
EXPECT_TRUE(LogContainsEvent(
entries, 0, NetLogEventType::TCP_CLIENT_SOCKET_POOL_REQUESTED_SOCKET,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsBeginEvent(entries, 1, NetLogEventType::SOCKET_POOL));
EXPECT_TRUE(LogContainsEvent(
entries, 2, NetLogEventType::SOCKET_POOL_BOUND_TO_CONNECT_JOB,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsEndEvent(entries, 3, NetLogEventType::SOCKET_POOL));
}
// Test releasing an open socket into the socket pool, telling the socket pool
// to close the socket.
TEST_F(ClientSocketPoolBaseTest, ReleaseAndCloseConnection) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
EXPECT_THAT(StartRequest(TestGroupId("a"), LOWEST), IsError(OK));
ASSERT_TRUE(request(0)->handle()->socket());
net::NetLogSource source = request(0)->handle()->socket()->NetLog().source();
ReleaseOneConnection(ClientSocketPoolTest::NO_KEEP_ALIVE);
EXPECT_EQ(0, pool_->IdleSocketCount());
EXPECT_FALSE(pool_->HasGroupForTesting(TestGroupId("a")));
ExpectSocketClosedWithReason(
source, TransportClientSocketPool::kClosedConnectionReturnedToPool);
}
TEST_F(ClientSocketPoolBaseTest, SocketWithUnreadDataReturnedToPool) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
connect_job_factory_->set_job_type(TestConnectJob::kMockUnreadDataJob);
EXPECT_THAT(StartRequest(TestGroupId("a"), LOWEST), IsError(OK));
ASSERT_TRUE(request(0)->handle()->socket());
net::NetLogSource source = request(0)->handle()->socket()->NetLog().source();
EXPECT_TRUE(request(0)->handle()->socket()->IsConnected());
EXPECT_FALSE(request(0)->handle()->socket()->IsConnectedAndIdle());
ReleaseOneConnection(ClientSocketPoolTest::KEEP_ALIVE);
EXPECT_EQ(0, pool_->IdleSocketCount());
EXPECT_FALSE(pool_->HasGroupForTesting(TestGroupId("a")));
ExpectSocketClosedWithReason(
source, TransportClientSocketPool::kDataReceivedUnexpectedly);
}
// Make sure different groups do not share sockets.
TEST_F(ClientSocketPoolBaseTest, GroupSeparation) {
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(
features::kPartitionConnectionsByNetworkIsolationKey);
CreatePool(1000 /* max_sockets */, 2 /* max_sockets_per_group */);
const HostPortPair kHostPortPairs[] = {
{"a", 80},
{"a", 443},
{"b", 80},
};
const char* const kSchemes[] = {
url::kHttpScheme,
url::kHttpsScheme,
};
const PrivacyMode kPrivacyModes[] = {PrivacyMode::PRIVACY_MODE_DISABLED,
PrivacyMode::PRIVACY_MODE_ENABLED};
const SchemefulSite kSiteA(GURL("http://a.test/"));
const SchemefulSite kSiteB(GURL("http://b.test/"));
const NetworkAnonymizationKey kNetworkAnonymizationKeys[] = {
NetworkAnonymizationKey::CreateSameSite(kSiteA),
NetworkAnonymizationKey::CreateSameSite(kSiteB),
};
const SecureDnsPolicy kSecureDnsPolicys[] = {SecureDnsPolicy::kAllow,
SecureDnsPolicy::kDisable};
int total_idle_sockets = 0;
// Walk through each GroupId, making sure that requesting a socket for one
// group does not return a previously connected socket for another group.
for (const auto& host_port_pair : kHostPortPairs) {
SCOPED_TRACE(host_port_pair.ToString());
for (const char* scheme : kSchemes) {
SCOPED_TRACE(scheme);
for (const auto& privacy_mode : kPrivacyModes) {
SCOPED_TRACE(privacy_mode);
for (const auto& network_anonymization_key :
kNetworkAnonymizationKeys) {
SCOPED_TRACE(network_anonymization_key.ToDebugString());
for (const auto& secure_dns_policy : kSecureDnsPolicys) {
SCOPED_TRACE(static_cast<int>(secure_dns_policy));
connect_job_factory_->set_job_type(TestConnectJob::kMockPendingJob);
ClientSocketPool::GroupId group_id(
url::SchemeHostPort(scheme, host_port_pair.host(),
host_port_pair.port()),
privacy_mode, network_anonymization_key, secure_dns_policy);
EXPECT_FALSE(pool_->HasGroupForTesting(group_id));
TestCompletionCallback callback;
ClientSocketHandle handle;
// Since the group is empty, requesting a socket should not complete
// synchronously.
EXPECT_THAT(handle.Init(group_id, params_, absl::nullopt,
DEFAULT_PRIORITY, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(),
ClientSocketPool::ProxyAuthCallback(),
pool_.get(), NetLogWithSource()),
IsError(ERR_IO_PENDING));
EXPECT_TRUE(pool_->HasGroupForTesting(group_id));
EXPECT_EQ(total_idle_sockets, pool_->IdleSocketCount());
EXPECT_THAT(callback.WaitForResult(), IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_TRUE(pool_->HasGroupForTesting(group_id));
EXPECT_EQ(total_idle_sockets, pool_->IdleSocketCount());
// Return socket to pool.
handle.Reset();
EXPECT_EQ(total_idle_sockets + 1, pool_->IdleSocketCount());
// Requesting a socket again should return the same socket as
// before, so should complete synchronously.
EXPECT_THAT(handle.Init(group_id, params_, absl::nullopt,
DEFAULT_PRIORITY, SocketTag(),
ClientSocketPool::RespectLimits::ENABLED,
callback.callback(),
ClientSocketPool::ProxyAuthCallback(),
pool_.get(), NetLogWithSource()),
IsOk());
EXPECT_TRUE(handle.socket());
EXPECT_EQ(total_idle_sockets, pool_->IdleSocketCount());
// Return socket to pool again.
handle.Reset();
EXPECT_EQ(total_idle_sockets + 1, pool_->IdleSocketCount());
++total_idle_sockets;
}
}
}
}
}
}
TEST_F(ClientSocketPoolBaseTest, TotalLimit) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
// TODO(eroman): Check that the NetLog contains this event.
EXPECT_THAT(StartRequest(TestGroupId("a"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("b"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("c"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("d"), DEFAULT_PRIORITY), IsOk());
EXPECT_EQ(static_cast<int>(requests_size()),
client_socket_factory_.allocation_count());
EXPECT_EQ(requests_size() - kDefaultMaxSockets, completion_count());
EXPECT_THAT(StartRequest(TestGroupId("e"), DEFAULT_PRIORITY),
IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest(TestGroupId("f"), DEFAULT_PRIORITY),
IsError(ERR_IO_PENDING));
EXPECT_THAT(StartRequest(TestGroupId("g"), DEFAULT_PRIORITY),
IsError(ERR_IO_PENDING));
ReleaseAllConnections(ClientSocketPoolTest::NO_KEEP_ALIVE);
EXPECT_EQ(static_cast<int>(requests_size()),
client_socket_factory_.allocation_count());
EXPECT_EQ(requests_size() - kDefaultMaxSockets, 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(7, GetOrderOfRequest(7));
// Make sure we test order of all requests made.
EXPECT_EQ(ClientSocketPoolTest::kIndexOutOfBounds, GetOrderOfRequest(8));
}
TEST_F(ClientSocketPoolBaseTest, TotalLimitReachedNewGroup) {
CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
// TODO(eroman): Check that the NetLog contains this event.
// Reach all limits: max total sockets, and max sockets per group.
EXPECT_THAT(StartRequest(TestGroupId("a"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("a"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("b"), DEFAULT_PRIORITY), IsOk());
EXPECT_THAT(StartRequest(TestGroupId("b"), DEFAULT_PRIORITY), IsOk());
EXPECT_EQ(static_cast<int>(requests_size()),
client_socket_factory_.allocation_count());
EXPECT_EQ(requests_size() - kDefaultMaxSockets, completion_count());
// Now create a new group and verify that we don't starve it.
EXPECT_THAT(StartRequest(TestGroupId("c"), DEFAULT_PRIORITY),
IsError(ERR_IO_PENDING));
ReleaseAllConnections(ClientSocketPoolTest::NO_KEEP_ALIVE);