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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/socket/transport_client_socket_pool_test_util.h"
#include <string>
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.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_util.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/ssl_client_socket.h"
#include "net/udp/datagram_client_socket.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
IPAddressNumber ParseIP(const std::string& ip) {
IPAddressNumber number;
CHECK(ParseIPLiteralToNumber(ip, &number));
return number;
}
// A StreamSocket which connects synchronously and successfully.
class MockConnectClientSocket : public StreamSocket {
public:
MockConnectClientSocket(const AddressList& addrlist, net::NetLog* net_log)
: connected_(false),
addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)),
use_tcp_fastopen_(false) {}
// StreamSocket implementation.
int Connect(const CompletionCallback& callback) override {
connected_ = true;
return OK;
}
void Disconnect() override { connected_ = false; }
bool IsConnected() const override { return connected_; }
bool IsConnectedAndIdle() const override { return connected_; }
int GetPeerAddress(IPEndPoint* address) const override {
*address = addrlist_.front();
return OK;
}
int GetLocalAddress(IPEndPoint* address) const override {
if (!connected_)
return ERR_SOCKET_NOT_CONNECTED;
if (addrlist_.front().GetFamily() == ADDRESS_FAMILY_IPV4)
SetIPv4Address(address);
else
SetIPv6Address(address);
return OK;
}
const BoundNetLog& NetLog() const override { return net_log_; }
void SetSubresourceSpeculation() override {}
void SetOmniboxSpeculation() override {}
bool WasEverUsed() const override { return false; }
void EnableTCPFastOpenIfSupported() override { use_tcp_fastopen_ = true; }
bool UsingTCPFastOpen() const override { return use_tcp_fastopen_; }
bool WasNpnNegotiated() const override { return false; }
NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
void GetConnectionAttempts(ConnectionAttempts* out) const override {
out->clear();
}
void ClearConnectionAttempts() override {}
void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
// Socket implementation.
int Read(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int Write(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int SetReceiveBufferSize(int32 size) override { return OK; }
int SetSendBufferSize(int32 size) override { return OK; }
private:
bool connected_;
const AddressList addrlist_;
BoundNetLog net_log_;
bool use_tcp_fastopen_;
DISALLOW_COPY_AND_ASSIGN(MockConnectClientSocket);
};
class MockFailingClientSocket : public StreamSocket {
public:
MockFailingClientSocket(const AddressList& addrlist, net::NetLog* net_log)
: addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)),
use_tcp_fastopen_(false) {}
// StreamSocket implementation.
int Connect(const CompletionCallback& callback) override {
return ERR_CONNECTION_FAILED;
}
void Disconnect() override {}
bool IsConnected() const override { return false; }
bool IsConnectedAndIdle() const override { return false; }
int GetPeerAddress(IPEndPoint* address) const override {
return ERR_UNEXPECTED;
}
int GetLocalAddress(IPEndPoint* address) const override {
return ERR_UNEXPECTED;
}
const BoundNetLog& NetLog() const override { return net_log_; }
void SetSubresourceSpeculation() override {}
void SetOmniboxSpeculation() override {}
bool WasEverUsed() const override { return false; }
void EnableTCPFastOpenIfSupported() override { use_tcp_fastopen_ = true; }
bool UsingTCPFastOpen() const override { return use_tcp_fastopen_; }
bool WasNpnNegotiated() const override { return false; }
NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
void GetConnectionAttempts(ConnectionAttempts* out) const override {
out->clear();
for (const auto& addr : addrlist_)
out->push_back(ConnectionAttempt(addr, ERR_CONNECTION_FAILED));
}
void ClearConnectionAttempts() override {}
void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
// Socket implementation.
int Read(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int Write(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int SetReceiveBufferSize(int32 size) override { return OK; }
int SetSendBufferSize(int32 size) override { return OK; }
private:
const AddressList addrlist_;
BoundNetLog net_log_;
bool use_tcp_fastopen_;
DISALLOW_COPY_AND_ASSIGN(MockFailingClientSocket);
};
class MockTriggerableClientSocket : public StreamSocket {
public:
// |should_connect| indicates whether the socket should successfully complete
// or fail.
MockTriggerableClientSocket(const AddressList& addrlist,
bool should_connect,
net::NetLog* net_log)
: should_connect_(should_connect),
is_connected_(false),
addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)),
use_tcp_fastopen_(false),
weak_factory_(this) {}
// Call this method to get a closure which will trigger the connect callback
// when called. The closure can be called even after the socket is deleted; it
// will safely do nothing.
base::Closure GetConnectCallback() {
return base::Bind(&MockTriggerableClientSocket::DoCallback,
weak_factory_.GetWeakPtr());
}
static scoped_ptr<StreamSocket> MakeMockPendingClientSocket(
const AddressList& addrlist,
bool should_connect,
net::NetLog* net_log) {
scoped_ptr<MockTriggerableClientSocket> socket(
new MockTriggerableClientSocket(addrlist, should_connect, net_log));
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
socket->GetConnectCallback());
return socket.Pass();
}
static scoped_ptr<StreamSocket> MakeMockDelayedClientSocket(
const AddressList& addrlist,
bool should_connect,
const base::TimeDelta& delay,
net::NetLog* net_log) {
scoped_ptr<MockTriggerableClientSocket> socket(
new MockTriggerableClientSocket(addrlist, should_connect, net_log));
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, socket->GetConnectCallback(), delay);
return socket.Pass();
}
static scoped_ptr<StreamSocket> MakeMockStalledClientSocket(
const AddressList& addrlist,
net::NetLog* net_log,
bool failing) {
scoped_ptr<MockTriggerableClientSocket> socket(
new MockTriggerableClientSocket(addrlist, true, net_log));
if (failing) {
DCHECK_LE(1u, addrlist.size());
ConnectionAttempts attempts;
attempts.push_back(ConnectionAttempt(addrlist[0], ERR_CONNECTION_FAILED));
socket->AddConnectionAttempts(attempts);
}
return socket.Pass();
}
// StreamSocket implementation.
int Connect(const CompletionCallback& callback) override {
DCHECK(callback_.is_null());
callback_ = callback;
return ERR_IO_PENDING;
}
void Disconnect() override {}
bool IsConnected() const override { return is_connected_; }
bool IsConnectedAndIdle() const override { return is_connected_; }
int GetPeerAddress(IPEndPoint* address) const override {
*address = addrlist_.front();
return OK;
}
int GetLocalAddress(IPEndPoint* address) const override {
if (!is_connected_)
return ERR_SOCKET_NOT_CONNECTED;
if (addrlist_.front().GetFamily() == ADDRESS_FAMILY_IPV4)
SetIPv4Address(address);
else
SetIPv6Address(address);
return OK;
}
const BoundNetLog& NetLog() const override { return net_log_; }
void SetSubresourceSpeculation() override {}
void SetOmniboxSpeculation() override {}
bool WasEverUsed() const override { return false; }
void EnableTCPFastOpenIfSupported() override { use_tcp_fastopen_ = true; }
bool UsingTCPFastOpen() const override { return use_tcp_fastopen_; }
bool WasNpnNegotiated() const override { return false; }
NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
void GetConnectionAttempts(ConnectionAttempts* out) const override {
*out = connection_attempts_;
}
void ClearConnectionAttempts() override { connection_attempts_.clear(); }
void AddConnectionAttempts(const ConnectionAttempts& attempts) override {
connection_attempts_.insert(connection_attempts_.begin(), attempts.begin(),
attempts.end());
}
// Socket implementation.
int Read(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int Write(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override {
return ERR_FAILED;
}
int SetReceiveBufferSize(int32 size) override { return OK; }
int SetSendBufferSize(int32 size) override { return OK; }
private:
void DoCallback() {
is_connected_ = should_connect_;
callback_.Run(is_connected_ ? OK : ERR_CONNECTION_FAILED);
}
bool should_connect_;
bool is_connected_;
const AddressList addrlist_;
BoundNetLog net_log_;
CompletionCallback callback_;
bool use_tcp_fastopen_;
ConnectionAttempts connection_attempts_;
base::WeakPtrFactory<MockTriggerableClientSocket> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(MockTriggerableClientSocket);
};
} // namespace
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_TRUE(load_timing_info.socket_reused);
EXPECT_NE(NetLog::Source::kInvalidId, load_timing_info.socket_log_id);
ExpectConnectTimingHasNoTimes(load_timing_info.connect_timing);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
}
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(NetLog::Source::kInvalidId, load_timing_info.socket_log_id);
ExpectConnectTimingHasTimes(load_timing_info.connect_timing,
CONNECT_TIMING_HAS_DNS_TIMES);
ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
TestLoadTimingInfoConnectedReused(handle);
}
void SetIPv4Address(IPEndPoint* address) {
*address = IPEndPoint(ParseIP("1.1.1.1"), 80);
}
void SetIPv6Address(IPEndPoint* address) {
*address = IPEndPoint(ParseIP("1:abcd::3:4:ff"), 80);
}
MockTransportClientSocketFactory::MockTransportClientSocketFactory(
NetLog* net_log)
: net_log_(net_log),
allocation_count_(0),
client_socket_type_(MOCK_CLIENT_SOCKET),
client_socket_types_(NULL),
client_socket_index_(0),
client_socket_index_max_(0),
delay_(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs)) {}
MockTransportClientSocketFactory::~MockTransportClientSocketFactory() {}
scoped_ptr<DatagramClientSocket>
MockTransportClientSocketFactory::CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
const RandIntCallback& rand_int_cb,
NetLog* net_log,
const NetLog::Source& source) {
NOTREACHED();
return scoped_ptr<DatagramClientSocket>();
}
scoped_ptr<StreamSocket>
MockTransportClientSocketFactory::CreateTransportClientSocket(
const AddressList& addresses,
NetLog* /* net_log */,
const NetLog::Source& /* source */) {
allocation_count_++;
ClientSocketType type = client_socket_type_;
if (client_socket_types_ && client_socket_index_ < client_socket_index_max_) {
type = client_socket_types_[client_socket_index_++];
}
switch (type) {
case MOCK_CLIENT_SOCKET:
return scoped_ptr<StreamSocket>(
new MockConnectClientSocket(addresses, net_log_));
case MOCK_FAILING_CLIENT_SOCKET:
return scoped_ptr<StreamSocket>(
new MockFailingClientSocket(addresses, net_log_));
case MOCK_PENDING_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockPendingClientSocket(
addresses, true, net_log_);
case MOCK_PENDING_FAILING_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockPendingClientSocket(
addresses, false, net_log_);
case MOCK_DELAYED_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockDelayedClientSocket(
addresses, true, delay_, net_log_);
case MOCK_DELAYED_FAILING_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockDelayedClientSocket(
addresses, false, delay_, net_log_);
case MOCK_STALLED_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockStalledClientSocket(
addresses, net_log_, false);
case MOCK_STALLED_FAILING_CLIENT_SOCKET:
return MockTriggerableClientSocket::MakeMockStalledClientSocket(
addresses, net_log_, true);
case MOCK_TRIGGERABLE_CLIENT_SOCKET: {
scoped_ptr<MockTriggerableClientSocket> rv(
new MockTriggerableClientSocket(addresses, true, net_log_));
triggerable_sockets_.push(rv->GetConnectCallback());
// run_loop_quit_closure_ behaves like a condition variable. It will
// wake up WaitForTriggerableSocketCreation() if it is sleeping. We
// don't need to worry about atomicity because this code is
// single-threaded.
if (!run_loop_quit_closure_.is_null())
run_loop_quit_closure_.Run();
return rv.Pass();
}
default:
NOTREACHED();
return scoped_ptr<StreamSocket>(
new MockConnectClientSocket(addresses, net_log_));
}
}
scoped_ptr<SSLClientSocket>
MockTransportClientSocketFactory::CreateSSLClientSocket(
scoped_ptr<ClientSocketHandle> transport_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config,
const SSLClientSocketContext& context) {
NOTIMPLEMENTED();
return scoped_ptr<SSLClientSocket>();
}
void MockTransportClientSocketFactory::ClearSSLSessionCache() {
NOTIMPLEMENTED();
}
void MockTransportClientSocketFactory::set_client_socket_types(
ClientSocketType* type_list,
int num_types) {
DCHECK_GT(num_types, 0);
client_socket_types_ = type_list;
client_socket_index_ = 0;
client_socket_index_max_ = num_types;
}
base::Closure
MockTransportClientSocketFactory::WaitForTriggerableSocketCreation() {
while (triggerable_sockets_.empty()) {
base::RunLoop run_loop;
run_loop_quit_closure_ = run_loop.QuitClosure();
run_loop.Run();
run_loop_quit_closure_.Reset();
}
base::Closure trigger = triggerable_sockets_.front();
triggerable_sockets_.pop();
return trigger;
}
} // namespace net
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