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transport_client_socket_pool_unittest.cc
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transport_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/transport_client_socket_pool.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/threading/platform_thread.h"
#include "net/base/capturing_net_log.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/mock_host_resolver.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "net/base/test_completion_callback.h"
#include "net/socket/client_socket_factory.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/client_socket_pool_histograms.h"
#include "net/socket/socket_test_util.h"
#include "net/socket/stream_socket.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
using internal::ClientSocketPoolBaseHelper;
namespace {
const int kMaxSockets = 32;
const int kMaxSocketsPerGroup = 6;
const net::RequestPriority kDefaultPriority = LOW;
// 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_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);
}
// 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(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) {
IPAddressNumber number;
CHECK(ParseIPLiteralToNumber("1.1.1.1", &number));
*address = IPEndPoint(number, 80);
}
void SetIPv6Address(IPEndPoint* address) {
IPAddressNumber number;
CHECK(ParseIPLiteralToNumber("1:abcd::3:4:ff", &number));
*address = IPEndPoint(number, 80);
}
class MockClientSocket : public StreamSocket {
public:
MockClientSocket(const AddressList& addrlist, net::NetLog* net_log)
: connected_(false),
addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)) {
}
// StreamSocket implementation.
virtual int Connect(const CompletionCallback& callback) OVERRIDE {
connected_ = true;
return OK;
}
virtual void Disconnect() OVERRIDE {
connected_ = false;
}
virtual bool IsConnected() const OVERRIDE {
return connected_;
}
virtual bool IsConnectedAndIdle() const OVERRIDE {
return connected_;
}
virtual int GetPeerAddress(IPEndPoint* address) const OVERRIDE {
return ERR_UNEXPECTED;
}
virtual 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;
}
virtual const BoundNetLog& NetLog() const OVERRIDE {
return net_log_;
}
virtual void SetSubresourceSpeculation() OVERRIDE {}
virtual void SetOmniboxSpeculation() OVERRIDE {}
virtual bool WasEverUsed() const OVERRIDE { return false; }
virtual bool UsingTCPFastOpen() const OVERRIDE { return false; }
virtual int64 NumBytesRead() const OVERRIDE { return -1; }
virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE {
return base::TimeDelta::FromMicroseconds(-1);
}
virtual bool WasNpnNegotiated() const OVERRIDE {
return false;
}
virtual NextProto GetNegotiatedProtocol() const OVERRIDE {
return kProtoUnknown;
}
virtual bool GetSSLInfo(SSLInfo* ssl_info) OVERRIDE {
return false;
}
// Socket implementation.
virtual int Read(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual int Write(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE { return true; }
virtual bool SetSendBufferSize(int32 size) OVERRIDE { return true; }
private:
bool connected_;
const AddressList addrlist_;
BoundNetLog net_log_;
};
class MockFailingClientSocket : public StreamSocket {
public:
MockFailingClientSocket(const AddressList& addrlist, net::NetLog* net_log)
: addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)) {
}
// StreamSocket implementation.
virtual int Connect(const CompletionCallback& callback) OVERRIDE {
return ERR_CONNECTION_FAILED;
}
virtual void Disconnect() OVERRIDE {}
virtual bool IsConnected() const OVERRIDE {
return false;
}
virtual bool IsConnectedAndIdle() const OVERRIDE {
return false;
}
virtual int GetPeerAddress(IPEndPoint* address) const OVERRIDE {
return ERR_UNEXPECTED;
}
virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE {
return ERR_UNEXPECTED;
}
virtual const BoundNetLog& NetLog() const OVERRIDE {
return net_log_;
}
virtual void SetSubresourceSpeculation() OVERRIDE {}
virtual void SetOmniboxSpeculation() OVERRIDE {}
virtual bool WasEverUsed() const OVERRIDE { return false; }
virtual bool UsingTCPFastOpen() const OVERRIDE { return false; }
virtual int64 NumBytesRead() const OVERRIDE { return -1; }
virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE {
return base::TimeDelta::FromMicroseconds(-1);
}
virtual bool WasNpnNegotiated() const OVERRIDE {
return false;
}
virtual NextProto GetNegotiatedProtocol() const OVERRIDE {
return kProtoUnknown;
}
virtual bool GetSSLInfo(SSLInfo* ssl_info) OVERRIDE {
return false;
}
// Socket implementation.
virtual int Read(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual int Write(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE { return true; }
virtual bool SetSendBufferSize(int32 size) OVERRIDE { return true; }
private:
const AddressList addrlist_;
BoundNetLog net_log_;
};
class MockPendingClientSocket : public StreamSocket {
public:
// |should_connect| indicates whether the socket should successfully complete
// or fail.
// |should_stall| indicates that this socket should never connect.
// |delay_ms| is the delay, in milliseconds, before simulating a connect.
MockPendingClientSocket(
const AddressList& addrlist,
bool should_connect,
bool should_stall,
base::TimeDelta delay,
net::NetLog* net_log)
: ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)),
should_connect_(should_connect),
should_stall_(should_stall),
delay_(delay),
is_connected_(false),
addrlist_(addrlist),
net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_SOCKET)) {
}
// StreamSocket implementation.
virtual int Connect(const CompletionCallback& callback) OVERRIDE {
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&MockPendingClientSocket::DoCallback,
weak_factory_.GetWeakPtr(), callback),
delay_);
return ERR_IO_PENDING;
}
virtual void Disconnect() OVERRIDE {}
virtual bool IsConnected() const OVERRIDE {
return is_connected_;
}
virtual bool IsConnectedAndIdle() const OVERRIDE {
return is_connected_;
}
virtual int GetPeerAddress(IPEndPoint* address) const OVERRIDE {
return ERR_UNEXPECTED;
}
virtual 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;
}
virtual const BoundNetLog& NetLog() const OVERRIDE {
return net_log_;
}
virtual void SetSubresourceSpeculation() OVERRIDE {}
virtual void SetOmniboxSpeculation() OVERRIDE {}
virtual bool WasEverUsed() const OVERRIDE { return false; }
virtual bool UsingTCPFastOpen() const OVERRIDE { return false; }
virtual int64 NumBytesRead() const OVERRIDE { return -1; }
virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE {
return base::TimeDelta::FromMicroseconds(-1);
}
virtual bool WasNpnNegotiated() const OVERRIDE {
return false;
}
virtual NextProto GetNegotiatedProtocol() const OVERRIDE {
return kProtoUnknown;
}
virtual bool GetSSLInfo(SSLInfo* ssl_info) OVERRIDE {
return false;
}
// Socket implementation.
virtual int Read(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual int Write(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) OVERRIDE {
return ERR_FAILED;
}
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE { return true; }
virtual bool SetSendBufferSize(int32 size) OVERRIDE { return true; }
private:
void DoCallback(const CompletionCallback& callback) {
if (should_stall_)
return;
if (should_connect_) {
is_connected_ = true;
callback.Run(OK);
} else {
is_connected_ = false;
callback.Run(ERR_CONNECTION_FAILED);
}
}
base::WeakPtrFactory<MockPendingClientSocket> weak_factory_;
bool should_connect_;
bool should_stall_;
base::TimeDelta delay_;
bool is_connected_;
const AddressList addrlist_;
BoundNetLog net_log_;
};
class MockClientSocketFactory : public ClientSocketFactory {
public:
enum ClientSocketType {
MOCK_CLIENT_SOCKET,
MOCK_FAILING_CLIENT_SOCKET,
MOCK_PENDING_CLIENT_SOCKET,
MOCK_PENDING_FAILING_CLIENT_SOCKET,
// A delayed socket will pause before connecting through the message loop.
MOCK_DELAYED_CLIENT_SOCKET,
// A stalled socket that never connects at all.
MOCK_STALLED_CLIENT_SOCKET,
};
explicit MockClientSocketFactory(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)) {}
virtual DatagramClientSocket* CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
const RandIntCallback& rand_int_cb,
NetLog* net_log,
const NetLog::Source& source) OVERRIDE {
NOTREACHED();
return NULL;
}
virtual StreamSocket* CreateTransportClientSocket(
const AddressList& addresses,
NetLog* /* net_log */,
const NetLog::Source& /* source */) OVERRIDE {
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 new MockClientSocket(addresses, net_log_);
case MOCK_FAILING_CLIENT_SOCKET:
return new MockFailingClientSocket(addresses, net_log_);
case MOCK_PENDING_CLIENT_SOCKET:
return new MockPendingClientSocket(
addresses, true, false, base::TimeDelta(), net_log_);
case MOCK_PENDING_FAILING_CLIENT_SOCKET:
return new MockPendingClientSocket(
addresses, false, false, base::TimeDelta(), net_log_);
case MOCK_DELAYED_CLIENT_SOCKET:
return new MockPendingClientSocket(
addresses, true, false, delay_, net_log_);
case MOCK_STALLED_CLIENT_SOCKET:
return new MockPendingClientSocket(
addresses, true, true, base::TimeDelta(), net_log_);
default:
NOTREACHED();
return new MockClientSocket(addresses, net_log_);
}
}
virtual SSLClientSocket* CreateSSLClientSocket(
ClientSocketHandle* transport_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config,
const SSLClientSocketContext& context) OVERRIDE {
NOTIMPLEMENTED();
return NULL;
}
virtual void ClearSSLSessionCache() OVERRIDE {
NOTIMPLEMENTED();
}
int allocation_count() const { return allocation_count_; }
// Set the default ClientSocketType.
void set_client_socket_type(ClientSocketType type) {
client_socket_type_ = type;
}
// Set a list of ClientSocketTypes to be used.
void 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;
}
void set_delay(base::TimeDelta delay) { delay_ = delay; }
private:
NetLog* net_log_;
int allocation_count_;
ClientSocketType client_socket_type_;
ClientSocketType* client_socket_types_;
int client_socket_index_;
int client_socket_index_max_;
base::TimeDelta delay_;
};
class TransportClientSocketPoolTest : public testing::Test {
protected:
TransportClientSocketPoolTest()
: connect_backup_jobs_enabled_(
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(true)),
params_(
new TransportSocketParams(HostPortPair("www.google.com", 80),
kDefaultPriority, false, false,
OnHostResolutionCallback())),
low_params_(
new TransportSocketParams(HostPortPair("www.google.com", 80),
LOW, false, false,
OnHostResolutionCallback())),
histograms_(new ClientSocketPoolHistograms("TCPUnitTest")),
host_resolver_(new MockHostResolver),
client_socket_factory_(&net_log_),
pool_(kMaxSockets,
kMaxSocketsPerGroup,
histograms_.get(),
host_resolver_.get(),
&client_socket_factory_,
NULL) {
}
virtual ~TransportClientSocketPoolTest() {
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), MEDIUM, false, false,
OnHostResolutionCallback()));
return test_base_.StartRequestUsingPool(
&pool_, group_name, priority, 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);
}
ScopedVector<TestSocketRequest>* requests() { return test_base_.requests(); }
size_t completion_count() const { return test_base_.completion_count(); }
bool connect_backup_jobs_enabled_;
CapturingNetLog net_log_;
scoped_refptr<TransportSocketParams> params_;
scoped_refptr<TransportSocketParams> low_params_;
scoped_ptr<ClientSocketPoolHistograms> histograms_;
scoped_ptr<MockHostResolver> host_resolver_;
MockClientSocketFactory client_socket_factory_;
TransportClientSocketPool pool_;
ClientSocketPoolTest test_base_;
};
TEST(TransportConnectJobTest, MakeAddrListStartWithIPv4) {
IPAddressNumber ip_number;
ASSERT_TRUE(ParseIPLiteralToNumber("192.168.1.1", &ip_number));
IPEndPoint addrlist_v4_1(ip_number, 80);
ASSERT_TRUE(ParseIPLiteralToNumber("192.168.1.2", &ip_number));
IPEndPoint addrlist_v4_2(ip_number, 80);
ASSERT_TRUE(ParseIPLiteralToNumber("2001:4860:b006::64", &ip_number));
IPEndPoint addrlist_v6_1(ip_number, 80);
ASSERT_TRUE(ParseIPLiteralToNumber("2001:4860:b006::66", &ip_number));
IPEndPoint addrlist_v6_2(ip_number, 80);
AddressList addrlist;
// Test 1: IPv4 only. Expect no change.
addrlist.clear();
addrlist.push_back(addrlist_v4_1);
addrlist.push_back(addrlist_v4_2);
TransportConnectJob::MakeAddressListStartWithIPv4(&addrlist);
ASSERT_EQ(2u, addrlist.size());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[0].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[1].GetFamily());
// Test 2: IPv6 only. Expect no change.
addrlist.clear();
addrlist.push_back(addrlist_v6_1);
addrlist.push_back(addrlist_v6_2);
TransportConnectJob::MakeAddressListStartWithIPv4(&addrlist);
ASSERT_EQ(2u, addrlist.size());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[0].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[1].GetFamily());
// Test 3: IPv4 then IPv6. Expect no change.
addrlist.clear();
addrlist.push_back(addrlist_v4_1);
addrlist.push_back(addrlist_v4_2);
addrlist.push_back(addrlist_v6_1);
addrlist.push_back(addrlist_v6_2);
TransportConnectJob::MakeAddressListStartWithIPv4(&addrlist);
ASSERT_EQ(4u, addrlist.size());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[0].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[1].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[2].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[3].GetFamily());
// Test 4: IPv6, IPv4, IPv6, IPv4. Expect first IPv6 moved to the end.
addrlist.clear();
addrlist.push_back(addrlist_v6_1);
addrlist.push_back(addrlist_v4_1);
addrlist.push_back(addrlist_v6_2);
addrlist.push_back(addrlist_v4_2);
TransportConnectJob::MakeAddressListStartWithIPv4(&addrlist);
ASSERT_EQ(4u, addrlist.size());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[0].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[1].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[2].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[3].GetFamily());
// Test 5: IPv6, IPv6, IPv4, IPv4. Expect first two IPv6's moved to the end.
addrlist.clear();
addrlist.push_back(addrlist_v6_1);
addrlist.push_back(addrlist_v6_2);
addrlist.push_back(addrlist_v4_1);
addrlist.push_back(addrlist_v4_2);
TransportConnectJob::MakeAddressListStartWithIPv4(&addrlist);
ASSERT_EQ(4u, addrlist.size());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[0].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV4, addrlist[1].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[2].GetFamily());
EXPECT_EQ(ADDRESS_FAMILY_IPV6, addrlist[3].GetFamily());
}
TEST_F(TransportClientSocketPoolTest, Basic) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", low_params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(OK, callback.WaitForResult());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
TestLoadTimingInfoConnectedNotReused(handle);
}
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, kDefaultPriority, false, false,
OnHostResolutionCallback()));
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", dest, kDefaultPriority, callback.callback(),
&pool_, BoundNetLog()));
EXPECT_EQ(ERR_NAME_NOT_RESOLVED, callback.WaitForResult());
}
TEST_F(TransportClientSocketPoolTest, InitConnectionFailure) {
client_socket_factory_.set_client_socket_type(
MockClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET);
TestCompletionCallback callback;
ClientSocketHandle handle;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, callback.callback(),
&pool_, BoundNetLog()));
EXPECT_EQ(ERR_CONNECTION_FAILED, callback.WaitForResult());
// Make the host resolutions complete synchronously this time.
host_resolver_->set_synchronous_mode(true);
EXPECT_EQ(ERR_CONNECTION_FAILED,
handle.Init("a", params_, kDefaultPriority, callback.callback(),
&pool_, BoundNetLog()));
}
TEST_F(TransportClientSocketPoolTest, PendingRequests) {
// First request finishes asynchronously.
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, (*requests())[0]->WaitForResult());
// 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_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
// The rest are pending since we've used all active sockets.
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOWEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOWEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", MEDIUM));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOW));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOWEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", MEDIUM));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", MEDIUM));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
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_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, (*requests())[0]->WaitForResult());
// 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_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
// The rest are pending since we've used all active sockets.
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
ReleaseAllConnections(ClientSocketPoolTest::NO_KEEP_ALIVE);
// The pending requests should finish successfully.
EXPECT_EQ(OK, (*requests())[6]->WaitForResult());
EXPECT_EQ(OK, (*requests())[7]->WaitForResult());
EXPECT_EQ(OK, (*requests())[8]->WaitForResult());
EXPECT_EQ(OK, (*requests())[9]->WaitForResult());
EXPECT_EQ(OK, (*requests())[10]->WaitForResult());
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, callback.callback(),
&pool_, BoundNetLog()));
handle.Reset();
}
TEST_F(TransportClientSocketPoolTest, TwoRequestsCancelOne) {
ClientSocketHandle handle;
TestCompletionCallback callback;
ClientSocketHandle handle2;
TestCompletionCallback callback2;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, callback.callback(),
&pool_, BoundNetLog()));
EXPECT_EQ(ERR_IO_PENDING,
handle2.Init("a", params_, kDefaultPriority, callback2.callback(),
&pool_, BoundNetLog()));
handle.Reset();
EXPECT_EQ(OK, callback2.WaitForResult());
handle2.Reset();
}
TEST_F(TransportClientSocketPoolTest, ConnectCancelConnect) {
client_socket_factory_.set_client_socket_type(
MockClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET);
ClientSocketHandle handle;
TestCompletionCallback callback;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, callback.callback(),
&pool_, BoundNetLog()));
handle.Reset();
TestCompletionCallback callback2;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, kDefaultPriority, callback2.callback(),
&pool_, BoundNetLog()));
host_resolver_->set_synchronous_mode(true);
// At this point, handle has two ConnectingSockets out for it. Due to the
// setting the mock resolver into synchronous mode, the host resolution for
// both will return in the same loop of the MessageLoop. The client socket
// is a pending socket, so the Connect() will asynchronously complete on the
// next loop of the MessageLoop. That means that the first
// ConnectingSocket will enter OnIOComplete, and then the second one will.
// If the first one is not cancelled, it will advance the load state, and
// then the second one will crash.
EXPECT_EQ(OK, callback2.WaitForResult());
EXPECT_FALSE(callback.have_result());
handle.Reset();
}
TEST_F(TransportClientSocketPoolTest, CancelRequest) {
// First request finishes asynchronously.
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, (*requests())[0]->WaitForResult());
// Make all subsequent host resolutions complete synchronously.
host_resolver_->set_synchronous_mode(true);
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
EXPECT_EQ(OK, StartRequest("a", kDefaultPriority));
// Reached per-group limit, queue up requests.
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOWEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", MEDIUM));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", MEDIUM));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOW));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", HIGHEST));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOW));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOW));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", LOWEST));
// 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),
ALLOW_THIS_IN_INITIALIZER_LIST(callback_(
base::Bind(&RequestSocketCallback::OnComplete,
base::Unretained(this)))) {
}
virtual ~RequestSocketCallback() {}
const CompletionCallback& callback() const { return callback_; }
private:
void OnComplete(int result) {
SetResult(result);
ASSERT_EQ(OK, result);
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();
{
MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
MessageLoop::current()->RunUntilIdle();
}
within_callback_ = true;
scoped_refptr<TransportSocketParams> dest(new TransportSocketParams(
HostPortPair("www.google.com", 80), LOWEST, false, false,
OnHostResolutionCallback()));
int rv = handle_->Init("a", dest, LOWEST, callback(), pool_,
BoundNetLog());
EXPECT_EQ(OK, rv);
}
}
ClientSocketHandle* const handle_;
TransportClientSocketPool* const pool_;
bool within_callback_;
CompletionCallback 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), LOWEST, false, false,
OnHostResolutionCallback()));
int rv = handle.Init("a", dest, LOWEST, callback.callback(), &pool_,
BoundNetLog());
ASSERT_EQ(ERR_IO_PENDING, rv);
// The callback is going to request "www.google.com". We want it to complete
// synchronously this time.
host_resolver_->set_synchronous_mode(true);
EXPECT_EQ(OK, callback.WaitForResult());
handle.Reset();
}
// Make sure that pending requests get serviced after active requests get
// cancelled.
TEST_F(TransportClientSocketPoolTest, CancelActiveRequestWithPendingRequests) {
client_socket_factory_.set_client_socket_type(
MockClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET);
// Queue up all the requests
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
EXPECT_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
// 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_EQ(OK, (*requests())[i]->WaitForResult());
(*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_client_socket_type(
MockClientSocketFactory::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_EQ(ERR_IO_PENDING, StartRequest("a", kDefaultPriority));
for (int i = 0; i < kNumRequests; i++)
EXPECT_EQ(ERR_CONNECTION_FAILED, (*requests())[i]->WaitForResult());
}
TEST_F(TransportClientSocketPoolTest, IdleSocketLoadTiming) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", low_params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(OK, callback.WaitForResult());
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.
MessageLoop::current()->RunUntilIdle();
// Now we should have 1 idle socket.
EXPECT_EQ(1, pool_.IdleSocketCount());
rv = handle.Init("a", low_params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(OK, rv);
EXPECT_EQ(0, pool_.IdleSocketCount());
TestLoadTimingInfoConnectedReused(handle);
}
TEST_F(TransportClientSocketPoolTest, ResetIdleSocketsOnIPAddressChange) {
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", low_params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(OK, callback.WaitForResult());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
handle.Reset();
// Need to run all pending to release the socket back to the pool.
MessageLoop::current()->RunUntilIdle();
// Now we should have 1 idle socket.
EXPECT_EQ(1, pool_.IdleSocketCount());
// After an IP address change, we should have 0 idle sockets.