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socket_test_util.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/socket_test_util.h"
#include <algorithm>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/compiler_specific.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "net/base/address_family.h"
#include "net/base/address_list.h"
#include "net/base/auth.h"
#include "net/base/ip_address.h"
#include "net/base/load_timing_info.h"
#include "net/http/http_network_session.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/log/net_log_source.h"
#include "net/log/net_log_source_type.h"
#include "net/socket/socket.h"
#include "net/socket/websocket_endpoint_lock_manager.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/ssl/ssl_connection_status_flags.h"
#include "net/ssl/ssl_info.h"
#include "testing/gtest/include/gtest/gtest.h"
#define NET_TRACE(level, s) VLOG(level) << s << __FUNCTION__ << "() "
namespace net {
namespace {
inline char AsciifyHigh(char x) {
char nybble = static_cast<char>((x >> 4) & 0x0F);
return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
}
inline char AsciifyLow(char x) {
char nybble = static_cast<char>((x >> 0) & 0x0F);
return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
}
inline char Asciify(char x) {
if ((x < 0) || !isprint(x))
return '.';
return x;
}
void DumpData(const char* data, int data_len) {
if (logging::LOG_INFO < logging::GetMinLogLevel())
return;
DVLOG(1) << "Length: " << data_len;
const char* pfx = "Data: ";
if (!data || (data_len <= 0)) {
DVLOG(1) << pfx << "<None>";
} else {
int i;
for (i = 0; i <= (data_len - 4); i += 4) {
DVLOG(1) << pfx
<< AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
<< AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
<< AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
<< AsciifyHigh(data[i + 3]) << AsciifyLow(data[i + 3])
<< " '"
<< Asciify(data[i + 0])
<< Asciify(data[i + 1])
<< Asciify(data[i + 2])
<< Asciify(data[i + 3])
<< "'";
pfx = " ";
}
// Take care of any 'trailing' bytes, if data_len was not a multiple of 4.
switch (data_len - i) {
case 3:
DVLOG(1) << pfx
<< AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
<< AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
<< AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
<< " '"
<< Asciify(data[i + 0])
<< Asciify(data[i + 1])
<< Asciify(data[i + 2])
<< " '";
break;
case 2:
DVLOG(1) << pfx
<< AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
<< AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
<< " '"
<< Asciify(data[i + 0])
<< Asciify(data[i + 1])
<< " '";
break;
case 1:
DVLOG(1) << pfx
<< AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
<< " '"
<< Asciify(data[i + 0])
<< " '";
break;
}
}
}
template <MockReadWriteType type>
void DumpMockReadWrite(const MockReadWrite<type>& r) {
if (logging::LOG_INFO < logging::GetMinLogLevel())
return;
DVLOG(1) << "Async: " << (r.mode == ASYNC)
<< "\nResult: " << r.result;
DumpData(r.data, r.data_len);
const char* stop = (r.sequence_number & MockRead::STOPLOOP) ? " (STOP)" : "";
DVLOG(1) << "Stage: " << (r.sequence_number & ~MockRead::STOPLOOP) << stop;
}
} // namespace
MockConnect::MockConnect() : mode(ASYNC), result(OK) {
peer_addr = IPEndPoint(IPAddress(192, 0, 2, 33), 0);
}
MockConnect::MockConnect(IoMode io_mode, int r) : mode(io_mode), result(r) {
peer_addr = IPEndPoint(IPAddress(192, 0, 2, 33), 0);
}
MockConnect::MockConnect(IoMode io_mode, int r, IPEndPoint addr) :
mode(io_mode),
result(r),
peer_addr(addr) {
}
MockConnect::~MockConnect() {}
void SocketDataProvider::OnEnableTCPFastOpenIfSupported() {}
bool SocketDataProvider::IsIdle() const {
return true;
}
void SocketDataProvider::Initialize(AsyncSocket* socket) {
CHECK(!socket_);
CHECK(socket);
socket_ = socket;
Reset();
}
void SocketDataProvider::DetachSocket() {
CHECK(socket_);
socket_ = nullptr;
}
SocketDataProvider::SocketDataProvider() : socket_(nullptr) {}
SocketDataProvider::~SocketDataProvider() {
if (socket_)
socket_->OnDataProviderDestroyed();
}
StaticSocketDataHelper::StaticSocketDataHelper(MockRead* reads,
size_t reads_count,
MockWrite* writes,
size_t writes_count)
: reads_(reads),
read_index_(0),
read_count_(reads_count),
writes_(writes),
write_index_(0),
write_count_(writes_count) {
}
StaticSocketDataHelper::~StaticSocketDataHelper() {
}
const MockRead& StaticSocketDataHelper::PeekRead() const {
CHECK(!AllReadDataConsumed());
return reads_[read_index_];
}
const MockWrite& StaticSocketDataHelper::PeekWrite() const {
CHECK(!AllWriteDataConsumed());
return writes_[write_index_];
}
const MockRead& StaticSocketDataHelper::AdvanceRead() {
CHECK(!AllReadDataConsumed());
return reads_[read_index_++];
}
const MockWrite& StaticSocketDataHelper::AdvanceWrite() {
CHECK(!AllWriteDataConsumed());
return writes_[write_index_++];
}
void StaticSocketDataHelper::Reset() {
read_index_ = 0;
write_index_ = 0;
}
bool StaticSocketDataHelper::VerifyWriteData(const std::string& data) {
CHECK(!AllWriteDataConsumed());
// Check that the actual data matches the expectations, skipping over any
// pause events.
const MockWrite& next_write = PeekRealWrite();
if (!next_write.data)
return true;
// Note: Partial writes are supported here. If the expected data
// is a match, but shorter than the write actually written, that is legal.
// Example:
// Application writes "foobarbaz" (9 bytes)
// Expected write was "foo" (3 bytes)
// This is a success, and the function returns true.
std::string expected_data(next_write.data, next_write.data_len);
std::string actual_data(data.substr(0, next_write.data_len));
EXPECT_GE(data.length(), expected_data.length());
EXPECT_EQ(expected_data, actual_data);
return expected_data == actual_data;
}
const MockWrite& StaticSocketDataHelper::PeekRealWrite() const {
for (size_t i = write_index_; i < write_count_; i++) {
if (writes_[i].mode != ASYNC || writes_[i].result != ERR_IO_PENDING)
return writes_[i];
}
CHECK(false) << "No write data available.";
return writes_[0]; // Avoid warning about unreachable missing return.
}
StaticSocketDataProvider::StaticSocketDataProvider()
: StaticSocketDataProvider(nullptr, 0, nullptr, 0) {
}
StaticSocketDataProvider::StaticSocketDataProvider(MockRead* reads,
size_t reads_count,
MockWrite* writes,
size_t writes_count)
: helper_(reads, reads_count, writes, writes_count) {
}
StaticSocketDataProvider::~StaticSocketDataProvider() {
}
MockRead StaticSocketDataProvider::OnRead() {
CHECK(!helper_.AllReadDataConsumed());
return helper_.AdvanceRead();
}
MockWriteResult StaticSocketDataProvider::OnWrite(const std::string& data) {
if (helper_.write_count() == 0) {
// Not using mock writes; succeed synchronously.
return MockWriteResult(SYNCHRONOUS, data.length());
}
EXPECT_FALSE(helper_.AllWriteDataConsumed());
if (helper_.AllWriteDataConsumed()) {
// Show what the extra write actually consists of.
EXPECT_EQ("<unexpected write>", data);
return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
}
// Check that what we are writing matches the expectation.
// Then give the mocked return value.
if (!helper_.VerifyWriteData(data))
return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
const MockWrite& next_write = helper_.AdvanceWrite();
// In the case that the write was successful, return the number of bytes
// written. Otherwise return the error code.
int result =
next_write.result == OK ? next_write.data_len : next_write.result;
return MockWriteResult(next_write.mode, result);
}
bool StaticSocketDataProvider::AllReadDataConsumed() const {
return helper_.AllReadDataConsumed();
}
bool StaticSocketDataProvider::AllWriteDataConsumed() const {
return helper_.AllWriteDataConsumed();
}
void StaticSocketDataProvider::Reset() {
helper_.Reset();
}
SSLSocketDataProvider::SSLSocketDataProvider(IoMode mode, int result)
: connect(mode, result),
next_proto(kProtoUnknown),
client_cert_sent(false),
cert_request_info(NULL),
channel_id_sent(false),
connection_status(0),
token_binding_negotiated(false) {
SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2,
&connection_status);
// Set to TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
SSLConnectionStatusSetCipherSuite(0xcc14, &connection_status);
}
SSLSocketDataProvider::SSLSocketDataProvider(
const SSLSocketDataProvider& other) = default;
SSLSocketDataProvider::~SSLSocketDataProvider() {
}
SequencedSocketData::SequencedSocketData(MockRead* reads,
size_t reads_count,
MockWrite* writes,
size_t writes_count)
: helper_(reads, reads_count, writes, writes_count),
sequence_number_(0),
read_state_(IDLE),
write_state_(IDLE),
busy_before_sync_reads_(false),
is_using_tcp_fast_open_(false),
weak_factory_(this) {
// Check that reads and writes have a contiguous set of sequence numbers
// starting from 0 and working their way up, with no repeats and skipping
// no values.
size_t next_read = 0;
size_t next_write = 0;
int next_sequence_number = 0;
bool last_event_was_pause = false;
while (next_read < reads_count || next_write < writes_count) {
if (next_read < reads_count &&
reads[next_read].sequence_number == next_sequence_number) {
// Check if this is a pause.
if (reads[next_read].mode == ASYNC &&
reads[next_read].result == ERR_IO_PENDING) {
CHECK(!last_event_was_pause) << "Two pauses in a row are not allowed: "
<< next_sequence_number;
last_event_was_pause = true;
} else if (last_event_was_pause) {
CHECK_EQ(ASYNC, reads[next_read].mode)
<< "A sync event after a pause makes no sense: "
<< next_sequence_number;
CHECK_NE(ERR_IO_PENDING, reads[next_read].result)
<< "A pause event after a pause makes no sense: "
<< next_sequence_number;
last_event_was_pause = false;
}
++next_read;
++next_sequence_number;
continue;
}
if (next_write < writes_count &&
writes[next_write].sequence_number == next_sequence_number) {
// Check if this is a pause.
if (writes[next_write].mode == ASYNC &&
writes[next_write].result == ERR_IO_PENDING) {
CHECK(!last_event_was_pause) << "Two pauses in a row are not allowed: "
<< next_sequence_number;
last_event_was_pause = true;
} else if (last_event_was_pause) {
CHECK_EQ(ASYNC, writes[next_write].mode)
<< "A sync event after a pause makes no sense: "
<< next_sequence_number;
CHECK_NE(ERR_IO_PENDING, writes[next_write].result)
<< "A pause event after a pause makes no sense: "
<< next_sequence_number;
last_event_was_pause = false;
}
++next_write;
++next_sequence_number;
continue;
}
CHECK(false) << "Sequence number not found where expected: "
<< next_sequence_number;
return;
}
// Last event must not be a pause. For the final event to indicate the
// operation never completes, it should be SYNCHRONOUS and return
// ERR_IO_PENDING.
CHECK(!last_event_was_pause);
CHECK_EQ(next_read, reads_count);
CHECK_EQ(next_write, writes_count);
}
SequencedSocketData::SequencedSocketData(const MockConnect& connect,
MockRead* reads,
size_t reads_count,
MockWrite* writes,
size_t writes_count)
: SequencedSocketData(reads, reads_count, writes, writes_count) {
set_connect_data(connect);
}
MockRead SequencedSocketData::OnRead() {
CHECK_EQ(IDLE, read_state_);
CHECK(!helper_.AllReadDataConsumed());
NET_TRACE(1, " *** ") << "sequence_number: " << sequence_number_;
const MockRead& next_read = helper_.PeekRead();
NET_TRACE(1, " *** ") << "next_read: " << next_read.sequence_number;
CHECK_GE(next_read.sequence_number, sequence_number_);
if (next_read.sequence_number <= sequence_number_) {
if (next_read.mode == SYNCHRONOUS) {
NET_TRACE(1, " *** ") << "Returning synchronously";
DumpMockReadWrite(next_read);
helper_.AdvanceRead();
++sequence_number_;
MaybePostWriteCompleteTask();
return next_read;
}
// If the result is ERR_IO_PENDING, then pause.
if (next_read.result == ERR_IO_PENDING) {
NET_TRACE(1, " *** ") << "Pausing read at: " << sequence_number_;
read_state_ = PAUSED;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return MockRead(SYNCHRONOUS, ERR_IO_PENDING);
}
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&SequencedSocketData::OnReadComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(COMPLETING, write_state_);
read_state_ = COMPLETING;
} else if (next_read.mode == SYNCHRONOUS) {
ADD_FAILURE() << "Unable to perform synchronous IO while stopped";
return MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
} else {
NET_TRACE(1, " *** ") << "Waiting for write to trigger read";
read_state_ = PENDING;
}
return MockRead(SYNCHRONOUS, ERR_IO_PENDING);
}
MockWriteResult SequencedSocketData::OnWrite(const std::string& data) {
CHECK_EQ(IDLE, write_state_);
CHECK(!helper_.AllWriteDataConsumed());
NET_TRACE(1, " *** ") << "sequence_number: " << sequence_number_;
const MockWrite& next_write = helper_.PeekWrite();
NET_TRACE(1, " *** ") << "next_write: " << next_write.sequence_number;
CHECK_GE(next_write.sequence_number, sequence_number_);
if (!helper_.VerifyWriteData(data))
return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
if (next_write.sequence_number <= sequence_number_) {
if (next_write.mode == SYNCHRONOUS) {
helper_.AdvanceWrite();
++sequence_number_;
MaybePostReadCompleteTask();
// In the case that the write was successful, return the number of bytes
// written. Otherwise return the error code.
int rv =
next_write.result != OK ? next_write.result : next_write.data_len;
NET_TRACE(1, " *** ") << "Returning synchronously";
return MockWriteResult(SYNCHRONOUS, rv);
}
// If the result is ERR_IO_PENDING, then pause.
if (next_write.result == ERR_IO_PENDING) {
NET_TRACE(1, " *** ") << "Pausing write at: " << sequence_number_;
write_state_ = PAUSED;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return MockWriteResult(SYNCHRONOUS, ERR_IO_PENDING);
}
NET_TRACE(1, " *** ") << "Posting task to complete write";
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&SequencedSocketData::OnWriteComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(COMPLETING, read_state_);
write_state_ = COMPLETING;
} else if (next_write.mode == SYNCHRONOUS) {
ADD_FAILURE() << "Unable to perform synchronous IO while stopped";
return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
} else {
NET_TRACE(1, " *** ") << "Waiting for read to trigger write";
write_state_ = PENDING;
}
return MockWriteResult(SYNCHRONOUS, ERR_IO_PENDING);
}
bool SequencedSocketData::AllReadDataConsumed() const {
return helper_.AllReadDataConsumed();
}
bool SequencedSocketData::AllWriteDataConsumed() const {
return helper_.AllWriteDataConsumed();
}
void SequencedSocketData::OnEnableTCPFastOpenIfSupported() {
is_using_tcp_fast_open_ = true;
}
bool SequencedSocketData::IsIdle() const {
// If |busy_before_sync_reads_| is not set, always considered idle. If
// no reads left, or the next operation is a write, also consider it idle.
if (!busy_before_sync_reads_ || helper_.AllReadDataConsumed() ||
helper_.PeekRead().sequence_number != sequence_number_) {
return true;
}
// If the next operation is synchronous read, treat the socket as not idle.
if (helper_.PeekRead().mode == SYNCHRONOUS)
return false;
return true;
}
bool SequencedSocketData::IsPaused() const {
// Both states should not be paused.
DCHECK(read_state_ != PAUSED || write_state_ != PAUSED);
return write_state_ == PAUSED || read_state_ == PAUSED;
}
void SequencedSocketData::Resume() {
if (!IsPaused()) {
ADD_FAILURE() << "Unable to Resume when not paused.";
return;
}
sequence_number_++;
if (read_state_ == PAUSED) {
read_state_ = PENDING;
helper_.AdvanceRead();
} else { // write_state_ == PAUSED
write_state_ = PENDING;
helper_.AdvanceWrite();
}
if (!helper_.AllWriteDataConsumed() &&
helper_.PeekWrite().sequence_number == sequence_number_) {
// The next event hasn't even started yet. Pausing isn't really needed in
// that case, but may as well support it.
if (write_state_ != PENDING)
return;
write_state_ = COMPLETING;
OnWriteComplete();
return;
}
CHECK(!helper_.AllReadDataConsumed());
// The next event hasn't even started yet. Pausing isn't really needed in
// that case, but may as well support it.
if (read_state_ != PENDING)
return;
read_state_ = COMPLETING;
OnReadComplete();
}
void SequencedSocketData::RunUntilPaused() {
CHECK(!run_until_paused_run_loop_);
if (IsPaused())
return;
run_until_paused_run_loop_.reset(new base::RunLoop());
run_until_paused_run_loop_->Run();
run_until_paused_run_loop_.reset();
DCHECK(IsPaused());
}
void SequencedSocketData::MaybePostReadCompleteTask() {
NET_TRACE(1, " ****** ") << " current: " << sequence_number_;
// Only trigger the next read to complete if there is already a read pending
// which should complete at the current sequence number.
if (read_state_ != PENDING ||
helper_.PeekRead().sequence_number != sequence_number_) {
return;
}
// If the result is ERR_IO_PENDING, then pause.
if (helper_.PeekRead().result == ERR_IO_PENDING) {
NET_TRACE(1, " *** ") << "Pausing read at: " << sequence_number_;
read_state_ = PAUSED;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return;
}
NET_TRACE(1, " ****** ") << "Posting task to complete read: "
<< sequence_number_;
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&SequencedSocketData::OnReadComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(COMPLETING, write_state_);
read_state_ = COMPLETING;
}
bool SequencedSocketData::IsUsingTCPFastOpen() const {
return is_using_tcp_fast_open_;
}
void SequencedSocketData::MaybePostWriteCompleteTask() {
NET_TRACE(1, " ****** ") << " current: " << sequence_number_;
// Only trigger the next write to complete if there is already a write pending
// which should complete at the current sequence number.
if (write_state_ != PENDING ||
helper_.PeekWrite().sequence_number != sequence_number_) {
return;
}
// If the result is ERR_IO_PENDING, then pause.
if (helper_.PeekWrite().result == ERR_IO_PENDING) {
NET_TRACE(1, " *** ") << "Pausing write at: " << sequence_number_;
write_state_ = PAUSED;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return;
}
NET_TRACE(1, " ****** ") << "Posting task to complete write: "
<< sequence_number_;
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&SequencedSocketData::OnWriteComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(COMPLETING, read_state_);
write_state_ = COMPLETING;
}
void SequencedSocketData::Reset() {
helper_.Reset();
sequence_number_ = 0;
read_state_ = IDLE;
write_state_ = IDLE;
is_using_tcp_fast_open_ = false;
weak_factory_.InvalidateWeakPtrs();
}
void SequencedSocketData::OnReadComplete() {
CHECK_EQ(COMPLETING, read_state_);
NET_TRACE(1, " *** ") << "Completing read for: " << sequence_number_;
MockRead data = helper_.AdvanceRead();
DCHECK_EQ(sequence_number_, data.sequence_number);
sequence_number_++;
read_state_ = IDLE;
// The result of this read completing might trigger the completion
// of a pending write. If so, post a task to complete the write later.
// Since the socket may call back into the SequencedSocketData
// from socket()->OnReadComplete(), trigger the write task to be posted
// before calling that.
MaybePostWriteCompleteTask();
if (!socket()) {
NET_TRACE(1, " *** ") << "No socket available to complete read";
return;
}
NET_TRACE(1, " *** ") << "Completing socket read for: "
<< data.sequence_number;
DumpMockReadWrite(data);
socket()->OnReadComplete(data);
NET_TRACE(1, " *** ") << "Done";
}
void SequencedSocketData::OnWriteComplete() {
CHECK_EQ(COMPLETING, write_state_);
NET_TRACE(1, " *** ") << " Completing write for: " << sequence_number_;
const MockWrite& data = helper_.AdvanceWrite();
DCHECK_EQ(sequence_number_, data.sequence_number);
sequence_number_++;
write_state_ = IDLE;
int rv = data.result == OK ? data.data_len : data.result;
// The result of this write completing might trigger the completion
// of a pending read. If so, post a task to complete the read later.
// Since the socket may call back into the SequencedSocketData
// from socket()->OnWriteComplete(), trigger the write task to be posted
// before calling that.
MaybePostReadCompleteTask();
if (!socket()) {
NET_TRACE(1, " *** ") << "No socket available to complete write";
return;
}
NET_TRACE(1, " *** ") << " Completing socket write for: "
<< data.sequence_number;
socket()->OnWriteComplete(rv);
NET_TRACE(1, " *** ") << "Done";
}
SequencedSocketData::~SequencedSocketData() {
}
MockClientSocketFactory::MockClientSocketFactory() {}
MockClientSocketFactory::~MockClientSocketFactory() {}
void MockClientSocketFactory::AddSocketDataProvider(
SocketDataProvider* data) {
mock_data_.Add(data);
}
void MockClientSocketFactory::AddSSLSocketDataProvider(
SSLSocketDataProvider* data) {
mock_ssl_data_.Add(data);
}
void MockClientSocketFactory::ResetNextMockIndexes() {
mock_data_.ResetNextIndex();
mock_ssl_data_.ResetNextIndex();
}
std::unique_ptr<DatagramClientSocket>
MockClientSocketFactory::CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
const RandIntCallback& rand_int_cb,
NetLog* net_log,
const NetLogSource& source) {
SocketDataProvider* data_provider = mock_data_.GetNext();
std::unique_ptr<MockUDPClientSocket> socket(
new MockUDPClientSocket(data_provider, net_log));
if (bind_type == DatagramSocket::RANDOM_BIND)
socket->set_source_port(
static_cast<uint16_t>(rand_int_cb.Run(1025, 65535)));
udp_client_socket_ports_.push_back(socket->source_port());
return std::move(socket);
}
std::unique_ptr<StreamSocket>
MockClientSocketFactory::CreateTransportClientSocket(
const AddressList& addresses,
std::unique_ptr<SocketPerformanceWatcher> socket_performance_watcher,
NetLog* net_log,
const NetLogSource& source) {
SocketDataProvider* data_provider = mock_data_.GetNext();
std::unique_ptr<MockTCPClientSocket> socket(
new MockTCPClientSocket(addresses, net_log, data_provider));
return std::move(socket);
}
std::unique_ptr<SSLClientSocket> MockClientSocketFactory::CreateSSLClientSocket(
std::unique_ptr<ClientSocketHandle> transport_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config,
const SSLClientSocketContext& context) {
SSLSocketDataProvider* next_ssl_data = mock_ssl_data_.GetNext();
if (!next_ssl_data->next_protos_expected_in_ssl_config.empty()) {
EXPECT_EQ(next_ssl_data->next_protos_expected_in_ssl_config.size(),
ssl_config.alpn_protos.size());
EXPECT_TRUE(
std::equal(next_ssl_data->next_protos_expected_in_ssl_config.begin(),
next_ssl_data->next_protos_expected_in_ssl_config.end(),
ssl_config.alpn_protos.begin()));
}
return std::unique_ptr<SSLClientSocket>(new MockSSLClientSocket(
std::move(transport_socket), host_and_port, ssl_config, next_ssl_data));
}
void MockClientSocketFactory::ClearSSLSessionCache() {
}
MockClientSocket::MockClientSocket(const NetLogWithSource& net_log)
: connected_(false), net_log_(net_log), weak_factory_(this) {
peer_addr_ = IPEndPoint(IPAddress(192, 0, 2, 33), 0);
}
int MockClientSocket::SetReceiveBufferSize(int32_t size) {
return OK;
}
int MockClientSocket::SetSendBufferSize(int32_t size) {
return OK;
}
void MockClientSocket::Disconnect() {
connected_ = false;
}
bool MockClientSocket::IsConnected() const {
return connected_;
}
bool MockClientSocket::IsConnectedAndIdle() const {
return connected_;
}
int MockClientSocket::GetPeerAddress(IPEndPoint* address) const {
if (!IsConnected())
return ERR_SOCKET_NOT_CONNECTED;
*address = peer_addr_;
return OK;
}
int MockClientSocket::GetLocalAddress(IPEndPoint* address) const {
*address = IPEndPoint(IPAddress(192, 0, 2, 33), 123);
return OK;
}
const NetLogWithSource& MockClientSocket::NetLog() const {
return net_log_;
}
bool MockClientSocket::WasNpnNegotiated() const {
return false;
}
NextProto MockClientSocket::GetNegotiatedProtocol() const {
return kProtoUnknown;
}
void MockClientSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
out->clear();
}
int64_t MockClientSocket::GetTotalReceivedBytes() const {
NOTIMPLEMENTED();
return 0;
}
void MockClientSocket::GetSSLCertRequestInfo(
SSLCertRequestInfo* cert_request_info) {
}
int MockClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
bool has_context,
const base::StringPiece& context,
unsigned char* out,
unsigned int outlen) {
memset(out, 'A', outlen);
return OK;
}
ChannelIDService* MockClientSocket::GetChannelIDService() const {
NOTREACHED();
return NULL;
}
Error MockClientSocket::GetTokenBindingSignature(crypto::ECPrivateKey* key,
TokenBindingType tb_type,
std::vector<uint8_t>* out) {
NOTREACHED();
return ERR_NOT_IMPLEMENTED;
}
crypto::ECPrivateKey* MockClientSocket::GetChannelIDKey() const {
NOTREACHED();
return NULL;
}
MockClientSocket::~MockClientSocket() {}
void MockClientSocket::RunCallbackAsync(const CompletionCallback& callback,
int result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&MockClientSocket::RunCallback,
weak_factory_.GetWeakPtr(), callback, result));
}
void MockClientSocket::RunCallback(const CompletionCallback& callback,
int result) {
if (!callback.is_null())
callback.Run(result);
}
MockTCPClientSocket::MockTCPClientSocket(const AddressList& addresses,
net::NetLog* net_log,
SocketDataProvider* data)
: MockClientSocket(NetLogWithSource::Make(net_log, NetLogSourceType::NONE)),
addresses_(addresses),
data_(data),
read_offset_(0),
read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
need_read_data_(true),
peer_closed_connection_(false),
pending_read_buf_(NULL),
pending_read_buf_len_(0),
was_used_to_convey_data_(false) {
DCHECK(data_);
peer_addr_ = data->connect_data().peer_addr;
data_->Initialize(this);
}
MockTCPClientSocket::~MockTCPClientSocket() {
if (data_)
data_->DetachSocket();
}
int MockTCPClientSocket::Read(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) {
if (!connected_ || !data_)
return ERR_UNEXPECTED;
// If the buffer is already in use, a read is already in progress!
DCHECK(!pending_read_buf_);
// Store our async IO data.
pending_read_buf_ = buf;
pending_read_buf_len_ = buf_len;
pending_read_callback_ = callback;
if (need_read_data_) {
read_data_ = data_->OnRead();
if (read_data_.result == ERR_CONNECTION_CLOSED) {
// This MockRead is just a marker to instruct us to set
// peer_closed_connection_.
peer_closed_connection_ = true;
}
if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
// This MockRead is just a marker to instruct us to set
// peer_closed_connection_. Skip it and get the next one.
read_data_ = data_->OnRead();
peer_closed_connection_ = true;
}
// ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
// to complete the async IO manually later (via OnReadComplete).
if (read_data_.result == ERR_IO_PENDING) {
// We need to be using async IO in this case.
DCHECK(!callback.is_null());
return ERR_IO_PENDING;
}
need_read_data_ = false;
}
return CompleteRead();
}
int MockTCPClientSocket::Write(IOBuffer* buf, int buf_len,
const CompletionCallback& callback) {
DCHECK(buf);
DCHECK_GT(buf_len, 0);
if (!connected_ || !data_)
return ERR_UNEXPECTED;
std::string data(buf->data(), buf_len);
MockWriteResult write_result = data_->OnWrite(data);
was_used_to_convey_data_ = true;
// ERR_IO_PENDING is a signal that the socket data will call back
// asynchronously later.
if (write_result.result == ERR_IO_PENDING) {
pending_write_callback_ = callback;
return ERR_IO_PENDING;
}
if (write_result.mode == ASYNC) {
RunCallbackAsync(callback, write_result.result);
return ERR_IO_PENDING;
}
return write_result.result;
}
void MockTCPClientSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
*out = connection_attempts_;
}
void MockTCPClientSocket::ClearConnectionAttempts() {
connection_attempts_.clear();
}
void MockTCPClientSocket::AddConnectionAttempts(
const ConnectionAttempts& attempts) {
connection_attempts_.insert(connection_attempts_.begin(), attempts.begin(),
attempts.end());
}
int MockTCPClientSocket::Connect(const CompletionCallback& callback) {
if (!data_)
return ERR_UNEXPECTED;
if (connected_)
return OK;
connected_ = true;
peer_closed_connection_ = false;
int result = data_->connect_data().result;
IoMode mode = data_->connect_data().mode;
if (result != OK && result != ERR_IO_PENDING) {
IPEndPoint address;
if (GetPeerAddress(&address) == OK)
connection_attempts_.push_back(ConnectionAttempt(address, result));
}
if (mode == SYNCHRONOUS)
return result;
if (result == ERR_IO_PENDING)
pending_connect_callback_ = callback;
else