blob: c28ef65f306bd98c11aaffb164b2d7af191f0fab [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/socket/transport_client_socket_pool.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/message_loop/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/net_errors.h"
#include "net/base/net_util.h"
#include "net/base/test_completion_callback.h"
#include "net/dns/mock_host_resolver.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/socket_test_util.h"
#include "net/socket/stream_socket.h"
#include "net/socket/transport_client_socket_pool_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
using internal::ClientSocketPoolBaseHelper;
namespace {
const int kMaxSockets = 32;
const int kMaxSocketsPerGroup = 6;
const RequestPriority kDefaultPriority = LOW;
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),
false,
false,
OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT)),
host_resolver_(new MockHostResolver),
client_socket_factory_(&net_log_),
pool_(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL) {
}
~TransportClientSocketPoolTest() override {
internal::ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(
connect_backup_jobs_enabled_);
}
scoped_refptr<TransportSocketParams> CreateParamsForTCPFastOpen() {
return new TransportSocketParams(HostPortPair("www.google.com", 80),
false, false, OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DESIRED);
}
int StartRequest(const std::string& group_name, RequestPriority priority) {
scoped_refptr<TransportSocketParams> params(new TransportSocketParams(
HostPortPair("www.google.com", 80), false, false,
OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT));
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_ptr<MockHostResolver> host_resolver_;
MockTransportClientSocketFactory client_socket_factory_;
TransportClientSocketPool pool_;
ClientSocketPoolTest test_base_;
private:
DISALLOW_COPY_AND_ASSIGN(TransportClientSocketPoolTest);
};
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", 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);
}
// Make sure that TransportConnectJob passes on its priority to its
// HostResolver request on Init.
TEST_F(TransportClientSocketPoolTest, SetResolvePriorityOnInit) {
for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) {
RequestPriority priority = static_cast<RequestPriority>(i);
TestCompletionCallback callback;
ClientSocketHandle handle;
EXPECT_EQ(ERR_IO_PENDING,
handle.Init("a", params_, priority, callback.callback(), &pool_,
BoundNetLog()));
EXPECT_EQ(priority, host_resolver_->last_request_priority());
}
}
TEST_F(TransportClientSocketPoolTest, InitHostResolutionFailure) {
host_resolver_->rules()->AddSimulatedFailure("unresolvable.host.name");
TestCompletionCallback callback;
ClientSocketHandle handle;
HostPortPair host_port_pair("unresolvable.host.name", 80);
scoped_refptr<TransportSocketParams> dest(new TransportSocketParams(
host_port_pair, false, false, OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT));
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_default_client_socket_type(
MockTransportClientSocketFactory::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_default_client_socket_type(
MockTransportClientSocketFactory::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),
callback_(base::Bind(&RequestSocketCallback::OnComplete,
base::Unretained(this))) {
}
~RequestSocketCallback() override {}
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();
{
base::MessageLoop::ScopedNestableTaskAllower allow(
base::MessageLoop::current());
base::MessageLoop::current()->RunUntilIdle();
}
within_callback_ = true;
scoped_refptr<TransportSocketParams> dest(new TransportSocketParams(
HostPortPair("www.google.com", 80), false, false,
OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT));
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), false, false,
OnHostResolutionCallback(),
TransportSocketParams::COMBINE_CONNECT_AND_WRITE_DEFAULT));
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_default_client_socket_type(
MockTransportClientSocketFactory::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_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_PENDING_FAILING_CLIENT_SOCKET);
const int kNumRequests = 2 * kMaxSocketsPerGroup + 1;
ASSERT_LE(kNumRequests, kMaxSockets); // Otherwise the test will hang.
// Queue up all the requests
for (int i = 0; i < kNumRequests; i++)
EXPECT_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", 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.
base::MessageLoop::current()->RunUntilIdle();
// Now we should have 1 idle socket.
EXPECT_EQ(1, pool_.IdleSocketCount());
rv = handle.Init("a", 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", 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.
base::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.
NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
base::MessageLoop::current()->RunUntilIdle(); // Notification happens async.
EXPECT_EQ(0, pool_.IdleSocketCount());
}
TEST_F(TransportClientSocketPoolTest, BackupSocketConnect) {
// Case 1 tests the first socket stalling, and the backup connecting.
MockTransportClientSocketFactory::ClientSocketType case1_types[] = {
// The first socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// The second socket will connect more quickly.
MockTransportClientSocketFactory::MOCK_CLIENT_SOCKET
};
// Case 2 tests the first socket being slow, so that we start the
// second connect, but the second connect stalls, and we still
// complete the first.
MockTransportClientSocketFactory::ClientSocketType case2_types[] = {
// The first socket will connect, although delayed.
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET,
// The second socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET
};
MockTransportClientSocketFactory::ClientSocketType* cases[2] = {
case1_types,
case2_types
};
for (size_t index = 0; index < arraysize(cases); ++index) {
client_socket_factory_.set_client_socket_types(cases[index], 2);
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::MessageLoop::current()->RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs + 50));
// Let the appropriate socket connect.
base::MessageLoop::current()->RunUntilIdle();
EXPECT_EQ(OK, callback.WaitForResult());
EXPECT_TRUE(handle.is_initialized());
EXPECT_TRUE(handle.socket());
// One socket is stalled, the other is active.
EXPECT_EQ(0, pool_.IdleSocketCount());
handle.Reset();
// Close all pending connect jobs and existing sockets.
pool_.FlushWithError(ERR_NETWORK_CHANGED);
}
}
// Test the case where a socket took long enough to start the creation
// of the backup socket, but then we cancelled the request after that.
TEST_F(TransportClientSocketPoolTest, BackupSocketCancel) {
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET);
enum { CANCEL_BEFORE_WAIT, CANCEL_AFTER_WAIT };
for (int index = CANCEL_BEFORE_WAIT; index < CANCEL_AFTER_WAIT; ++index) {
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("c", params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::MessageLoop::current()->RunUntilIdle();
if (index == CANCEL_AFTER_WAIT) {
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
}
// Let the appropriate socket connect.
base::MessageLoop::current()->RunUntilIdle();
handle.Reset();
EXPECT_FALSE(callback.have_result());
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// One socket is stalled, the other is active.
EXPECT_EQ(0, pool_.IdleSocketCount());
}
}
// Test the case where a socket took long enough to start the creation
// of the backup socket and never completes, and then the backup
// connection fails.
TEST_F(TransportClientSocketPoolTest, BackupSocketFailAfterStall) {
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// The first socket will not connect.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// The second socket will fail immediately.
MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::MessageLoop::current()->RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
// Let the second connect be synchronous. Otherwise, the emulated
// host resolution takes an extra trip through the message loop.
host_resolver_->set_synchronous_mode(true);
// Let the appropriate socket connect.
base::MessageLoop::current()->RunUntilIdle();
EXPECT_EQ(ERR_CONNECTION_FAILED, callback.WaitForResult());
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
EXPECT_EQ(0, pool_.IdleSocketCount());
handle.Reset();
// Reset for the next case.
host_resolver_->set_synchronous_mode(false);
}
// Test the case where a socket took long enough to start the creation
// of the backup socket and eventually completes, but the backup socket
// fails.
TEST_F(TransportClientSocketPoolTest, BackupSocketFailAfterDelay) {
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// The first socket will connect, although delayed.
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET,
// The second socket will not connect.
MockTransportClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
client_socket_factory_.set_delay(base::TimeDelta::FromSeconds(5));
EXPECT_EQ(0, pool_.IdleSocketCount());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("b", params_, LOW, callback.callback(), &pool_,
BoundNetLog());
EXPECT_EQ(ERR_IO_PENDING, rv);
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
// Create the first socket, set the timer.
base::MessageLoop::current()->RunUntilIdle();
// Wait for the backup socket timer to fire.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(
ClientSocketPool::kMaxConnectRetryIntervalMs));
// Let the second connect be synchronous. Otherwise, the emulated
// host resolution takes an extra trip through the message loop.
host_resolver_->set_synchronous_mode(true);
// Let the appropriate socket connect.
base::MessageLoop::current()->RunUntilIdle();
EXPECT_EQ(ERR_CONNECTION_FAILED, callback.WaitForResult());
EXPECT_FALSE(handle.is_initialized());
EXPECT_FALSE(handle.socket());
handle.Reset();
// Reset for the next case.
host_resolver_->set_synchronous_mode(false);
}
// Test the case of the IPv6 address stalling, and falling back to the IPv4
// socket which finishes first.
TEST_F(TransportClientSocketPoolTest, IPv6FallbackSocketIPv4FinishesFirst) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// This is the IPv6 socket.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// This is the IPv4 socket.
MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
// Resolve an AddressList with a IPv6 address first and then a IPv4 address.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,2.2.2.2", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", 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());
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv4AddressSize, endpoint.address().size());
EXPECT_EQ(2, client_socket_factory_.allocation_count());
}
// Test the case of the IPv6 address being slow, thus falling back to trying to
// connect to the IPv4 address, but having the connect to the IPv6 address
// finish first.
TEST_F(TransportClientSocketPoolTest, IPv6FallbackSocketIPv6FinishesFirst) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// This is the IPv6 socket.
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET,
// This is the IPv4 socket.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
client_socket_factory_.set_delay(base::TimeDelta::FromMilliseconds(
TransportConnectJobHelper::kIPv6FallbackTimerInMs + 50));
// Resolve an AddressList with a IPv6 address first and then a IPv4 address.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,2.2.2.2", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", 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());
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv6AddressSize, endpoint.address().size());
EXPECT_EQ(2, client_socket_factory_.allocation_count());
}
TEST_F(TransportClientSocketPoolTest, IPv6NoIPv4AddressesToFallbackTo) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET);
// Resolve an AddressList with only IPv6 addresses.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,3:abcd::3:4:ff", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", 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());
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv6AddressSize, endpoint.address().size());
EXPECT_EQ(1, client_socket_factory_.allocation_count());
}
TEST_F(TransportClientSocketPoolTest, IPv4HasNoFallback) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET);
// Resolve an AddressList with only IPv4 addresses.
host_resolver_->rules()->AddIPLiteralRule("*", "1.1.1.1", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
int rv = handle.Init("a", 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());
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv4AddressSize, endpoint.address().size());
EXPECT_EQ(1, client_socket_factory_.allocation_count());
}
// Test that if TCP FastOpen is enabled, it is set on the socket
// when we have only an IPv4 address.
TEST_F(TransportClientSocketPoolTest, TCPFastOpenOnIPv4WithNoFallback) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET);
// Resolve an AddressList with only IPv4 addresses.
host_resolver_->rules()->AddIPLiteralRule("*", "1.1.1.1", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
// Enable TCP FastOpen in TransportSocketParams.
scoped_refptr<TransportSocketParams> params = CreateParamsForTCPFastOpen();
handle.Init("a", params, LOW, callback.callback(), &pool, BoundNetLog());
EXPECT_EQ(OK, callback.WaitForResult());
EXPECT_TRUE(handle.socket()->UsingTCPFastOpen());
}
// Test that if TCP FastOpen is enabled, it is set on the socket
// when we have only IPv6 addresses.
TEST_F(TransportClientSocketPoolTest, TCPFastOpenOnIPv6WithNoFallback) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
client_socket_factory_.set_default_client_socket_type(
MockTransportClientSocketFactory::MOCK_DELAYED_CLIENT_SOCKET);
// Resolve an AddressList with only IPv6 addresses.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,3:abcd::3:4:ff", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
// Enable TCP FastOpen in TransportSocketParams.
scoped_refptr<TransportSocketParams> params = CreateParamsForTCPFastOpen();
handle.Init("a", params, LOW, callback.callback(), &pool, BoundNetLog());
EXPECT_EQ(OK, callback.WaitForResult());
EXPECT_TRUE(handle.socket()->UsingTCPFastOpen());
}
// Test that if TCP FastOpen is enabled, it does not do anything when there
// is a IPv6 address with fallback to an IPv4 address. This test tests the case
// when the IPv6 connect fails and the IPv4 one succeeds.
TEST_F(TransportClientSocketPoolTest,
NoTCPFastOpenOnIPv6FailureWithIPv4Fallback) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// This is the IPv6 socket.
MockTransportClientSocketFactory::MOCK_STALLED_CLIENT_SOCKET,
// This is the IPv4 socket.
MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
// Resolve an AddressList with a IPv6 address first and then a IPv4 address.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,2.2.2.2", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
// Enable TCP FastOpen in TransportSocketParams.
scoped_refptr<TransportSocketParams> params = CreateParamsForTCPFastOpen();
handle.Init("a", params, LOW, callback.callback(), &pool, BoundNetLog());
EXPECT_EQ(OK, callback.WaitForResult());
// Verify that the socket used is connected to the fallback IPv4 address.
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv4AddressSize, endpoint.address().size());
EXPECT_EQ(2, client_socket_factory_.allocation_count());
// Verify that TCP FastOpen was not turned on for the socket.
EXPECT_FALSE(handle.socket()->UsingTCPFastOpen());
}
// Test that if TCP FastOpen is enabled, it does not do anything when there
// is a IPv6 address with fallback to an IPv4 address. This test tests the case
// when the IPv6 connect succeeds.
TEST_F(TransportClientSocketPoolTest,
NoTCPFastOpenOnIPv6SuccessWithIPv4Fallback) {
// Create a pool without backup jobs.
ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
TransportClientSocketPool pool(kMaxSockets,
kMaxSocketsPerGroup,
host_resolver_.get(),
&client_socket_factory_,
NULL);
MockTransportClientSocketFactory::ClientSocketType case_types[] = {
// This is the IPv6 socket.
MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET,
// This is the IPv4 socket.
MockTransportClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET
};
client_socket_factory_.set_client_socket_types(case_types, 2);
// Resolve an AddressList with a IPv6 address first and then a IPv4 address.
host_resolver_->rules()
->AddIPLiteralRule("*", "2:abcd::3:4:ff,2.2.2.2", std::string());
TestCompletionCallback callback;
ClientSocketHandle handle;
// Enable TCP FastOpen in TransportSocketParams.
scoped_refptr<TransportSocketParams> params = CreateParamsForTCPFastOpen();
handle.Init("a", params, LOW, callback.callback(), &pool, BoundNetLog());
EXPECT_EQ(OK, callback.WaitForResult());
// Verify that the socket used is connected to the IPv6 address.
IPEndPoint endpoint;
handle.socket()->GetLocalAddress(&endpoint);
EXPECT_EQ(kIPv6AddressSize, endpoint.address().size());
EXPECT_EQ(1, client_socket_factory_.allocation_count());
// Verify that TCP FastOpen was not turned on for the socket.
EXPECT_FALSE(handle.socket()->UsingTCPFastOpen());
}
} // namespace
} // namespace net