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naiveproxy/net/socket/socket_test_util.cc
klzgrad e45b4af2be Import chromium-68.0.3440.106
2018-08-11 05:35:24 +00:00

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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 <inttypes.h> // For SCNx64
#include <stdint.h>
#include <stdio.h>
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback_helpers.h"
#include "base/compiler_specific.h"
#include "base/files/file_util.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/rand_util.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.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/hex_utils.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 "net/traffic_annotation/network_traffic_annotation_test_helper.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() = default;
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(
base::span<const MockRead> reads,
base::span<const MockWrite> writes)
: reads_(reads), read_index_(0), writes_(writes), write_index_(0) {}
StaticSocketDataHelper::~StaticSocketDataHelper() = default;
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_TRUE(actual_data == expected_data)
<< "Actual write data:\n" << HexDump(data)
<< "Expected write data:\n" << HexDump(expected_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(base::span<const MockRead>(),
base::span<const MockWrite>()) {}
StaticSocketDataProvider::StaticSocketDataProvider(
base::span<const MockRead> reads,
base::span<const MockWrite> writes)
: helper_(reads, writes) {}
StaticSocketDataProvider::~StaticSocketDataProvider() = default;
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())
<< "No more mock data to match write:\n"
<< HexDump(data);
if (helper_.AllWriteDataConsumed()) {
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();
}
ProxyClientSocketDataProvider::ProxyClientSocketDataProvider(IoMode mode,
int result)
: connect(mode, result) {}
ProxyClientSocketDataProvider::ProxyClientSocketDataProvider(
const ProxyClientSocketDataProvider& other) = default;
ProxyClientSocketDataProvider::~ProxyClientSocketDataProvider() = default;
SSLSocketDataProvider::SSLSocketDataProvider(IoMode mode, int result)
: connect(mode, result),
next_proto(kProtoUnknown),
cert_request_info(NULL),
channel_id_service(NULL) {
SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2,
&ssl_info.connection_status);
// Set to TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
SSLConnectionStatusSetCipherSuite(0xcca9, &ssl_info.connection_status);
}
SSLSocketDataProvider::SSLSocketDataProvider(
const SSLSocketDataProvider& other) = default;
SSLSocketDataProvider::~SSLSocketDataProvider() = default;
SequencedSocketData::SequencedSocketData()
: SequencedSocketData(base::span<const MockRead>(),
base::span<const MockWrite>()) {}
SequencedSocketData::SequencedSocketData(base::span<const MockRead> reads,
base::span<const MockWrite> writes)
: helper_(reads, writes),
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.
int next_sequence_number = 0;
bool last_event_was_pause = false;
auto* next_read = reads.begin();
auto* next_write = writes.begin();
while (next_read != reads.end() || next_write != writes.end()) {
if (next_read != reads.end() &&
next_read->sequence_number == next_sequence_number) {
// Check if this is a pause.
if (next_read->mode == ASYNC && 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, next_read->mode)
<< "A sync event after a pause makes no sense: "
<< next_sequence_number;
CHECK_NE(ERR_IO_PENDING, 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.end() &&
next_write->sequence_number == next_sequence_number) {
// Check if this is a pause.
if (next_write->mode == ASYNC && 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, next_write->mode)
<< "A sync event after a pause makes no sense: "
<< next_sequence_number;
CHECK_NE(ERR_IO_PENDING, 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.end());
CHECK_EQ(next_write, writes.end());
}
SequencedSocketData::SequencedSocketData(const MockConnect& connect,
base::span<const MockRead> reads,
base::span<const MockWrite> writes)
: SequencedSocketData(reads, writes) {
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())
<< "\nNo more mock data to match write:\n"
<< HexDump(data);
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();
}
void SequencedSocketData::CancelPendingRead() {
DCHECK_EQ(PENDING, read_state_);
read_state_ = IDLE;
}
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() = default;
MockClientSocketFactory::MockClientSocketFactory()
: enable_read_if_ready_(false) {}
MockClientSocketFactory::~MockClientSocketFactory() = default;
void MockClientSocketFactory::AddSocketDataProvider(
SocketDataProvider* data) {
mock_data_.Add(data);
}
void MockClientSocketFactory::AddSSLSocketDataProvider(
SSLSocketDataProvider* data) {
mock_ssl_data_.Add(data);
}
void MockClientSocketFactory::AddProxyClientSocketDataProvider(
ProxyClientSocketDataProvider* data) {
mock_proxy_data_.Add(data);
}
void MockClientSocketFactory::ResetNextMockIndexes() {
mock_data_.ResetNextIndex();
mock_ssl_data_.ResetNextIndex();
}
std::unique_ptr<DatagramClientSocket>
MockClientSocketFactory::CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
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>(base::RandInt(1025, 65535)));
udp_client_socket_ports_.push_back(socket->source_port());
return std::move(socket);
}
std::unique_ptr<TransportClientSocket>
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));
if (enable_read_if_ready_)
socket->set_enable_read_if_ready(enable_read_if_ready_);
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.has_value()) {
EXPECT_EQ(next_ssl_data->next_protos_expected_in_ssl_config.value().size(),
ssl_config.alpn_protos.size());
EXPECT_TRUE(std::equal(
next_ssl_data->next_protos_expected_in_ssl_config.value().begin(),
next_ssl_data->next_protos_expected_in_ssl_config.value().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));
}
std::unique_ptr<ProxyClientSocket>
MockClientSocketFactory::CreateProxyClientSocket(
std::unique_ptr<ClientSocketHandle> transport_socket,
const std::string& user_agent,
const HostPortPair& endpoint,
HttpAuthController* http_auth_controller,
bool tunnel,
bool using_spdy,
NextProto negotiated_protocol,
bool is_https_proxy,
const NetworkTrafficAnnotationTag& traffic_annotation) {
if (use_mock_proxy_client_sockets_) {
ProxyClientSocketDataProvider* next_proxy_data = mock_proxy_data_.GetNext();
return std::make_unique<MockProxyClientSocket>(
std::move(transport_socket), http_auth_controller, next_proxy_data);
} else {
return GetDefaultFactory()->CreateProxyClientSocket(
std::move(transport_socket), user_agent, endpoint, http_auth_controller,
tunnel, using_spdy, negotiated_protocol, is_https_proxy,
traffic_annotation);
}
}
void MockClientSocketFactory::ClearSSLSessionCache() {
}
MockClientSocket::MockClientSocket(const NetLogWithSource& net_log)
: connected_(false), net_log_(net_log), weak_factory_(this) {
local_addr_ = IPEndPoint(IPAddress(192, 0, 2, 33), 123);
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;
}
int MockClientSocket::Bind(const net::IPEndPoint& local_addr) {
local_addr_ = local_addr;
return net::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 = local_addr_;
return OK;
}
const NetLogWithSource& MockClientSocket::NetLog() const {
return net_log_;
}
bool MockClientSocket::WasAlpnNegotiated() const {
return false;
}
NextProto MockClientSocket::GetNegotiatedProtocol() const {
return kProtoUnknown;
}
void MockClientSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
out->clear();
}
MockClientSocket::~MockClientSocket() = default;
void MockClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&MockClientSocket::RunCallback, weak_factory_.GetWeakPtr(),
std::move(callback), result));
}
void MockClientSocket::RunCallback(CompletionOnceCallback callback,
int result) {
std::move(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),
enable_read_if_ready_(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,
CompletionOnceCallback callback) {
// If the buffer is already in use, a read is already in progress!
DCHECK(!pending_read_buf_);
// Use base::Unretained() is safe because MockClientSocket::RunCallbackAsync()
// takes a weak ptr of the base class, MockClientSocket.
int rv = ReadIfReadyImpl(
buf, buf_len,
base::Bind(&MockTCPClientSocket::RetryRead, base::Unretained(this)));
if (rv == ERR_IO_PENDING) {
DCHECK(callback);
pending_read_buf_ = buf;
pending_read_buf_len_ = buf_len;
pending_read_callback_ = std::move(callback);
}
return rv;
}
int MockTCPClientSocket::ReadIfReady(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
DCHECK(!pending_read_if_ready_callback_);
if (!enable_read_if_ready_)
return ERR_READ_IF_READY_NOT_IMPLEMENTED;
return ReadIfReadyImpl(buf, buf_len, std::move(callback));
}
int MockTCPClientSocket::CancelReadIfReady() {
DCHECK(pending_read_if_ready_callback_);
pending_read_if_ready_callback_.Reset();
data_->CancelPendingRead();
return OK;
};
int MockTCPClientSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& /* traffic_annotation */) {
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;
if (write_result.result == ERR_CONNECTION_CLOSED) {
// This MockWrite is just a marker to instruct us to set
// peer_closed_connection_.
peer_closed_connection_ = 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_ = std::move(callback);
return ERR_IO_PENDING;
}
if (write_result.mode == ASYNC) {
RunCallbackAsync(std::move(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(CompletionOnceCallback 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;
DCHECK(callback);
if (result == ERR_IO_PENDING)
pending_connect_callback_ = std::move(callback);
else
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
void MockTCPClientSocket::Disconnect() {
MockClientSocket::Disconnect();
pending_connect_callback_.Reset();
pending_read_callback_.Reset();
}
bool MockTCPClientSocket::IsConnected() const {
if (!data_)
return false;
return connected_ && !peer_closed_connection_;
}
bool MockTCPClientSocket::IsConnectedAndIdle() const {
if (!data_)
return false;
return IsConnected() && data_->IsIdle();
}
int MockTCPClientSocket::GetPeerAddress(IPEndPoint* address) const {
if (addresses_.empty())
return MockClientSocket::GetPeerAddress(address);
*address = addresses_[0];
return OK;
}
bool MockTCPClientSocket::WasEverUsed() const {
return was_used_to_convey_data_;
}
void MockTCPClientSocket::EnableTCPFastOpenIfSupported() {
EXPECT_FALSE(IsConnected()) << "Can't enable fast open after connect.";
data_->OnEnableTCPFastOpenIfSupported();
}
bool MockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
return false;
}
void MockTCPClientSocket::OnReadComplete(const MockRead& data) {
// If |data_| has been destroyed, safest to just do nothing.
if (!data_)
return;
// There must be a read pending.
DCHECK(pending_read_if_ready_callback_);
// You can't complete a read with another ERR_IO_PENDING status code.
DCHECK_NE(ERR_IO_PENDING, data.result);
// Since we've been waiting for data, need_read_data_ should be true.
DCHECK(need_read_data_);
read_data_ = data;
need_read_data_ = false;
// The caller is simulating that this IO completes right now. Don't
// let CompleteRead() schedule a callback.
read_data_.mode = SYNCHRONOUS;
RunCallback(std::move(pending_read_if_ready_callback_),
read_data_.result > 0 ? OK : read_data_.result);
}
void MockTCPClientSocket::OnWriteComplete(int rv) {
// If |data_| has been destroyed, safest to just do nothing.
if (!data_)
return;
// There must be a read pending.
DCHECK(!pending_write_callback_.is_null());
RunCallback(std::move(pending_write_callback_), rv);
}
void MockTCPClientSocket::OnConnectComplete(const MockConnect& data) {
// If |data_| has been destroyed, safest to just do nothing.
if (!data_)
return;
RunCallback(std::move(pending_connect_callback_), data.result);
}
void MockTCPClientSocket::OnDataProviderDestroyed() {
data_ = nullptr;
}
void MockTCPClientSocket::RetryRead(int rv) {
DCHECK(pending_read_callback_);
DCHECK(pending_read_buf_.get());
DCHECK_LT(0, pending_read_buf_len_);
if (rv == OK) {
rv = ReadIfReadyImpl(
pending_read_buf_.get(), pending_read_buf_len_,
base::Bind(&MockTCPClientSocket::RetryRead, base::Unretained(this)));
if (rv == ERR_IO_PENDING)
return;
}
pending_read_buf_ = nullptr;
pending_read_buf_len_ = 0;
RunCallback(std::move(pending_read_callback_), rv);
}
int MockTCPClientSocket::ReadIfReadyImpl(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
if (!connected_ || !data_)
return ERR_UNEXPECTED;
DCHECK(!pending_read_if_ready_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());
pending_read_if_ready_callback_ = std::move(callback);
return ERR_IO_PENDING;
}
need_read_data_ = false;
}
int result = read_data_.result;
DCHECK_NE(ERR_IO_PENDING, result);
if (read_data_.mode == ASYNC) {
DCHECK(!callback.is_null());
read_data_.mode = SYNCHRONOUS;
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
was_used_to_convey_data_ = true;
if (read_data_.data) {
if (read_data_.data_len - read_offset_ > 0) {
result = std::min(buf_len, read_data_.data_len - read_offset_);
memcpy(buf->data(), read_data_.data + read_offset_, result);
read_offset_ += result;
if (read_offset_ == read_data_.data_len) {
need_read_data_ = true;
read_offset_ = 0;
}
} else {
result = 0; // EOF
}
}
return result;
}
MockProxyClientSocket::MockProxyClientSocket(
std::unique_ptr<ClientSocketHandle> transport_socket,
HttpAuthController* auth_controller,
ProxyClientSocketDataProvider* data)
: net_log_(transport_socket->socket()->NetLog()),
transport_(std::move(transport_socket)),
data_(data),
auth_controller_(auth_controller),
weak_factory_(this) {
DCHECK(data_);
}
MockProxyClientSocket::~MockProxyClientSocket() {
Disconnect();
}
const HttpResponseInfo* MockProxyClientSocket::GetConnectResponseInfo() const {
return nullptr;
}
std::unique_ptr<HttpStream>
MockProxyClientSocket::CreateConnectResponseStream() {
return nullptr;
}
const scoped_refptr<HttpAuthController>&
MockProxyClientSocket::GetAuthController() const {
return auth_controller_;
}
int MockProxyClientSocket::RestartWithAuth(CompletionOnceCallback callback) {
return net::ERR_NOT_IMPLEMENTED;
}
bool MockProxyClientSocket::IsUsingSpdy() const {
return false;
}
NextProto MockProxyClientSocket::GetProxyNegotiatedProtocol() const {
return kProtoUnknown;
}
int MockProxyClientSocket::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->socket()->Read(buf, buf_len, std::move(callback));
}
int MockProxyClientSocket::ReadIfReady(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->socket()->ReadIfReady(buf, buf_len, std::move(callback));
}
int MockProxyClientSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) {
return transport_->socket()->Write(buf, buf_len, std::move(callback),
traffic_annotation);
}
int MockProxyClientSocket::Connect(CompletionOnceCallback callback) {
DCHECK(transport_->socket()->IsConnected());
if (data_->connect.mode == ASYNC) {
RunCallbackAsync(std::move(callback), data_->connect.result);
return ERR_IO_PENDING;
}
return data_->connect.result;
}
void MockProxyClientSocket::Disconnect() {
if (transport_->socket() != NULL)
transport_->socket()->Disconnect();
}
bool MockProxyClientSocket::IsConnected() const {
return transport_->socket()->IsConnected();
}
bool MockProxyClientSocket::IsConnectedAndIdle() const {
return transport_->socket()->IsConnectedAndIdle();
}
bool MockProxyClientSocket::WasEverUsed() const {
return transport_->socket()->WasEverUsed();
}
int MockProxyClientSocket::GetLocalAddress(IPEndPoint* address) const {
*address = IPEndPoint(IPAddress(192, 0, 2, 33), 123);
return OK;
}
int MockProxyClientSocket::GetPeerAddress(IPEndPoint* address) const {
return transport_->socket()->GetPeerAddress(address);
}
bool MockProxyClientSocket::WasAlpnNegotiated() const {
return false;
}
NextProto MockProxyClientSocket::GetNegotiatedProtocol() const {
NOTIMPLEMENTED();
return kProtoUnknown;
}
bool MockProxyClientSocket::GetSSLInfo(SSLInfo* requested_ssl_info) {
NOTIMPLEMENTED();
return false;
}
void MockProxyClientSocket::ApplySocketTag(const SocketTag& tag) {
return transport_->socket()->ApplySocketTag(tag);
}
const NetLogWithSource& MockProxyClientSocket::NetLog() const {
return net_log_;
}
void MockProxyClientSocket::GetConnectionAttempts(
ConnectionAttempts* out) const {
NOTIMPLEMENTED();
out->clear();
}
int64_t MockProxyClientSocket::GetTotalReceivedBytes() const {
NOTIMPLEMENTED();
return 0;
}
int MockProxyClientSocket::SetReceiveBufferSize(int32_t size) {
return OK;
}
int MockProxyClientSocket::SetSendBufferSize(int32_t size) {
return OK;
}
void MockProxyClientSocket::OnReadComplete(const MockRead& data) {
NOTIMPLEMENTED();
}
void MockProxyClientSocket::OnWriteComplete(int rv) {
NOTIMPLEMENTED();
}
void MockProxyClientSocket::OnConnectComplete(const MockConnect& data) {
NOTIMPLEMENTED();
}
void MockProxyClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&MockProxyClientSocket::RunCallback,
weak_factory_.GetWeakPtr(), std::move(callback), result));
}
void MockProxyClientSocket::RunCallback(CompletionOnceCallback callback,
int result) {
std::move(callback).Run(result);
}
// static
void MockSSLClientSocket::ConnectCallback(
MockSSLClientSocket* ssl_client_socket,
CompletionOnceCallback callback,
int rv) {
if (rv == OK)
ssl_client_socket->connected_ = true;
std::move(callback).Run(rv);
}
MockSSLClientSocket::MockSSLClientSocket(
std::unique_ptr<ClientSocketHandle> transport_socket,
const HostPortPair& host_port_pair,
const SSLConfig& ssl_config,
SSLSocketDataProvider* data)
: net_log_(transport_socket->socket()->NetLog()),
transport_(std::move(transport_socket)),
data_(data),
weak_factory_(this) {
DCHECK(data_);
peer_addr_ = data->connect.peer_addr;
}
MockSSLClientSocket::~MockSSLClientSocket() {
Disconnect();
}
int MockSSLClientSocket::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->socket()->Read(buf, buf_len, std::move(callback));
}
int MockSSLClientSocket::ReadIfReady(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->socket()->ReadIfReady(buf, buf_len, std::move(callback));
}
int MockSSLClientSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) {
return transport_->socket()->Write(buf, buf_len, std::move(callback),
traffic_annotation);
}
int MockSSLClientSocket::Connect(CompletionOnceCallback callback) {
DCHECK(transport_->socket()->IsConnected());
data_->is_connect_data_consumed = true;
if (data_->connect.result == OK)
connected_ = true;
if (data_->connect.mode == ASYNC) {
RunCallbackAsync(std::move(callback), data_->connect.result);
return ERR_IO_PENDING;
}
return data_->connect.result;
}
void MockSSLClientSocket::Disconnect() {
if (transport_->socket() != NULL)
transport_->socket()->Disconnect();
}
bool MockSSLClientSocket::IsConnected() const {
return transport_->socket()->IsConnected();
}
bool MockSSLClientSocket::IsConnectedAndIdle() const {
return transport_->socket()->IsConnectedAndIdle();
}
bool MockSSLClientSocket::WasEverUsed() const {
return transport_->socket()->WasEverUsed();
}
int MockSSLClientSocket::GetLocalAddress(IPEndPoint* address) const {
*address = IPEndPoint(IPAddress(192, 0, 2, 33), 123);
return OK;
}
int MockSSLClientSocket::GetPeerAddress(IPEndPoint* address) const {
return transport_->socket()->GetPeerAddress(address);
}
bool MockSSLClientSocket::WasAlpnNegotiated() const {
return data_->next_proto != kProtoUnknown;
}
NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
return data_->next_proto;
}
bool MockSSLClientSocket::GetSSLInfo(SSLInfo* requested_ssl_info) {
requested_ssl_info->Reset();
*requested_ssl_info = data_->ssl_info;
return true;
}
void MockSSLClientSocket::ApplySocketTag(const SocketTag& tag) {
return transport_->socket()->ApplySocketTag(tag);
}
const NetLogWithSource& MockSSLClientSocket::NetLog() const {
return net_log_;
}
void MockSSLClientSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
out->clear();
}
int64_t MockSSLClientSocket::GetTotalReceivedBytes() const {
NOTIMPLEMENTED();
return 0;
}
int64_t MockClientSocket::GetTotalReceivedBytes() const {
NOTIMPLEMENTED();
return 0;
}
int MockSSLClientSocket::SetReceiveBufferSize(int32_t size) {
return OK;
}
int MockSSLClientSocket::SetSendBufferSize(int32_t size) {
return OK;
}
void MockSSLClientSocket::GetSSLCertRequestInfo(
SSLCertRequestInfo* cert_request_info) const {
DCHECK(cert_request_info);
if (data_->cert_request_info) {
cert_request_info->host_and_port =
data_->cert_request_info->host_and_port;
cert_request_info->is_proxy = data_->cert_request_info->is_proxy;
cert_request_info->cert_authorities =
data_->cert_request_info->cert_authorities;
cert_request_info->cert_key_types =
data_->cert_request_info->cert_key_types;
} else {
cert_request_info->Reset();
}
}
ChannelIDService* MockSSLClientSocket::GetChannelIDService() const {
return data_->channel_id_service;
}
Error MockSSLClientSocket::GetTokenBindingSignature(crypto::ECPrivateKey* key,
TokenBindingType tb_type,
std::vector<uint8_t>* out) {
out->push_back('A');
return OK;
}
int MockSSLClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
bool has_context,
const base::StringPiece& context,
unsigned char* out,
unsigned int outlen) {
memset(out, 'A', outlen);
return OK;
}
crypto::ECPrivateKey* MockSSLClientSocket::GetChannelIDKey() const {
NOTREACHED();
return NULL;
}
void MockSSLClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&MockSSLClientSocket::RunCallback,
weak_factory_.GetWeakPtr(), std::move(callback), result));
}
void MockSSLClientSocket::RunCallback(CompletionOnceCallback callback,
int result) {
std::move(callback).Run(result);
}
void MockSSLClientSocket::OnReadComplete(const MockRead& data) {
NOTIMPLEMENTED();
}
void MockSSLClientSocket::OnWriteComplete(int rv) {
NOTIMPLEMENTED();
}
void MockSSLClientSocket::OnConnectComplete(const MockConnect& data) {
NOTIMPLEMENTED();
}
MockUDPClientSocket::MockUDPClientSocket(SocketDataProvider* data,
net::NetLog* net_log)
: connected_(false),
data_(data),
read_offset_(0),
read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
need_read_data_(true),
source_port_(123),
network_(NetworkChangeNotifier::kInvalidNetworkHandle),
pending_read_buf_(NULL),
pending_read_buf_len_(0),
net_log_(NetLogWithSource::Make(net_log, NetLogSourceType::NONE)),
weak_factory_(this) {
DCHECK(data_);
data_->Initialize(this);
peer_addr_ = data->connect_data().peer_addr;
}
MockUDPClientSocket::~MockUDPClientSocket() {
if (data_)
data_->DetachSocket();
}
int MockUDPClientSocket::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
DCHECK(callback);
if (!connected_ || !data_)
return ERR_UNEXPECTED;
data_transferred_ = true;
// 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_ = std::move(callback);
if (need_read_data_) {
read_data_ = data_->OnRead();
// 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(!pending_read_callback_.is_null());
return ERR_IO_PENDING;
}
need_read_data_ = false;
}
return CompleteRead();
}
int MockUDPClientSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& /* traffic_annotation */) {
DCHECK(buf);
DCHECK_GT(buf_len, 0);
DCHECK(callback);
if (!connected_ || !data_)
return ERR_UNEXPECTED;
data_transferred_ = true;
std::string data(buf->data(), buf_len);
MockWriteResult write_result = data_->OnWrite(data);
// ERR_IO_PENDING is a signal that the socket data will call back
// asynchronously.
if (write_result.result == ERR_IO_PENDING) {
pending_write_callback_ = std::move(callback);
return ERR_IO_PENDING;
}
if (write_result.mode == ASYNC) {
RunCallbackAsync(std::move(callback), write_result.result);
return ERR_IO_PENDING;
}
return write_result.result;
}
int MockUDPClientSocket::WriteAsync(
const char* buffer,
size_t buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& /* traffic_annotation */) {
DCHECK(buffer);
DCHECK_GT(buf_len, 0u);
DCHECK(callback);
if (!connected_ || !data_)
return ERR_UNEXPECTED;
data_transferred_ = true;
std::string data(buffer, buf_len);
MockWriteResult write_result = data_->OnWrite(data);
// ERR_IO_PENDING is a signal that the socket data will call back
// asynchronously.
if (write_result.result == ERR_IO_PENDING) {
pending_write_callback_ = std::move(callback);
return ERR_IO_PENDING;
}
if (write_result.mode == ASYNC) {
RunCallbackAsync(std::move(callback), write_result.result);
return ERR_IO_PENDING;
}
return write_result.result;
}
int MockUDPClientSocket::WriteAsync(
DatagramBuffers buffers,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& /* traffic_annotation */) {
DCHECK(!buffers.empty());
DCHECK(callback);
if (!connected_ || !data_)
return ERR_UNEXPECTED;
unwritten_buffers_ = std::move(buffers);
int rv = 0;
size_t buf_len = 0;
do {
auto& buf = unwritten_buffers_.front();
buf_len = buf->length();
std::string data(buf->data(), buf_len);
MockWriteResult write_result = data_->OnWrite(data);
rv = write_result.result;
// ERR_IO_PENDING is a signal that the socket data will call back
// asynchronously.
if (write_result.result == ERR_IO_PENDING) {
pending_write_callback_ = std::move(callback);
return ERR_IO_PENDING;
}
if (write_result.mode == ASYNC) {
RunCallbackAsync(std::move(callback), write_result.result);
return ERR_IO_PENDING;
}
if (rv < 0) {
return rv;
}
unwritten_buffers_.pop_front();
} while (!unwritten_buffers_.empty());
return buf_len;
}
DatagramBuffers MockUDPClientSocket::GetUnwrittenBuffers() {
return std::move(unwritten_buffers_);
}
int MockUDPClientSocket::SetReceiveBufferSize(int32_t size) {
return OK;
}
int MockUDPClientSocket::SetSendBufferSize(int32_t size) {
return OK;
}
int MockUDPClientSocket::SetDoNotFragment() {
return OK;
}
void MockUDPClientSocket::Close() {
connected_ = false;
}
int MockUDPClientSocket::GetPeerAddress(IPEndPoint* address) const {
*address = peer_addr_;
return OK;
}
int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
*address = IPEndPoint(IPAddress(192, 0, 2, 33), source_port_);
return OK;
}
void MockUDPClientSocket::UseNonBlockingIO() {}
void MockUDPClientSocket::SetWriteAsyncEnabled(bool enabled) {}
bool MockUDPClientSocket::WriteAsyncEnabled() {
return false;
}
void MockUDPClientSocket::SetMaxPacketSize(size_t max_packet_size) {}
void MockUDPClientSocket::SetWriteMultiCoreEnabled(bool enabled) {}
void MockUDPClientSocket::SetSendmmsgEnabled(bool enabled) {}
void MockUDPClientSocket::SetWriteBatchingActive(bool active) {}
const NetLogWithSource& MockUDPClientSocket::NetLog() const {
return net_log_;
}
int MockUDPClientSocket::Connect(const IPEndPoint& address) {
if (!data_)
return ERR_UNEXPECTED;
connected_ = true;
peer_addr_ = address;
return data_->connect_data().result;
}
int MockUDPClientSocket::ConnectUsingNetwork(
NetworkChangeNotifier::NetworkHandle network,
const IPEndPoint& address) {
DCHECK(!connected_);
if (!data_)
return ERR_UNEXPECTED;
network_ = network;
connected_ = true;
peer_addr_ = address;
return data_->connect_data().result;
}
int MockUDPClientSocket::ConnectUsingDefaultNetwork(const IPEndPoint& address) {
DCHECK(!connected_);
if (!data_)
return ERR_UNEXPECTED;
network_ = kDefaultNetworkForTests;
connected_ = true;
peer_addr_ = address;
return data_->connect_data().result;
}
NetworkChangeNotifier::NetworkHandle MockUDPClientSocket::GetBoundNetwork()
const {
return network_;
}
void MockUDPClientSocket::ApplySocketTag(const SocketTag& tag) {
tagged_before_data_transferred_ &= !data_transferred_ || tag == tag_;
tag_ = tag;
}
void MockUDPClientSocket::OnReadComplete(const MockRead& data) {
if (!data_)
return;
// There must be a read pending.
DCHECK(pending_read_buf_.get());
DCHECK(pending_read_callback_);
// You can't complete a read with another ERR_IO_PENDING status code.
DCHECK_NE(ERR_IO_PENDING, data.result);
// Since we've been waiting for data, need_read_data_ should be true.
DCHECK(need_read_data_);
read_data_ = data;
need_read_data_ = false;
// The caller is simulating that this IO completes right now. Don't
// let CompleteRead() schedule a callback.
read_data_.mode = SYNCHRONOUS;
CompletionOnceCallback callback = std::move(pending_read_callback_);
int rv = CompleteRead();
RunCallback(std::move(callback), rv);
}
void MockUDPClientSocket::OnWriteComplete(int rv) {
if (!data_)
return;
// There must be a read pending.
DCHECK(!pending_write_callback_.is_null());
RunCallback(std::move(pending_write_callback_), rv);
}
void MockUDPClientSocket::OnConnectComplete(const MockConnect& data) {
NOTIMPLEMENTED();
}
void MockUDPClientSocket::OnDataProviderDestroyed() {
data_ = nullptr;
}
int MockUDPClientSocket::CompleteRead() {
DCHECK(pending_read_buf_.get());
DCHECK(pending_read_buf_len_ > 0);
// Save the pending async IO data and reset our |pending_| state.
scoped_refptr<IOBuffer> buf = pending_read_buf_;
int buf_len = pending_read_buf_len_;
CompletionOnceCallback callback = std::move(pending_read_callback_);
pending_read_buf_ = NULL;
pending_read_buf_len_ = 0;
int result = read_data_.result;
DCHECK(result != ERR_IO_PENDING);
if (read_data_.data) {
if (read_data_.data_len - read_offset_ > 0) {
result = std::min(buf_len, read_data_.data_len - read_offset_);
memcpy(buf->data(), read_data_.data + read_offset_, result);
read_offset_ += result;
if (read_offset_ == read_data_.data_len) {
need_read_data_ = true;
read_offset_ = 0;
}
} else {
result = 0; // EOF
}
}
if (read_data_.mode == ASYNC) {
DCHECK(!callback.is_null());
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
return result;
}
void MockUDPClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&MockUDPClientSocket::RunCallback,
weak_factory_.GetWeakPtr(), std::move(callback), result));
}
void MockUDPClientSocket::RunCallback(CompletionOnceCallback callback,
int result) {
std::move(callback).Run(result);
}
TestSocketRequest::TestSocketRequest(
std::vector<TestSocketRequest*>* request_order, size_t* completion_count)
: request_order_(request_order),
completion_count_(completion_count),
callback_(base::Bind(&TestSocketRequest::OnComplete,
base::Unretained(this))) {
DCHECK(request_order);
DCHECK(completion_count);
}
TestSocketRequest::~TestSocketRequest() = default;
void TestSocketRequest::OnComplete(int result) {
SetResult(result);
(*completion_count_)++;
request_order_->push_back(this);
}
// static
const int ClientSocketPoolTest::kIndexOutOfBounds = -1;
// static
const int ClientSocketPoolTest::kRequestNotFound = -2;
ClientSocketPoolTest::ClientSocketPoolTest() : completion_count_(0) {}
ClientSocketPoolTest::~ClientSocketPoolTest() = default;
int ClientSocketPoolTest::GetOrderOfRequest(size_t index) const {
index--;
if (index >= requests_.size())
return kIndexOutOfBounds;
for (size_t i = 0; i < request_order_.size(); i++)
if (requests_[index].get() == request_order_[i])
return i + 1;
return kRequestNotFound;
}
bool ClientSocketPoolTest::ReleaseOneConnection(KeepAlive keep_alive) {
for (std::unique_ptr<TestSocketRequest>& it : requests_) {
if (it->handle()->is_initialized()) {
if (keep_alive == NO_KEEP_ALIVE)
it->handle()->socket()->Disconnect();
it->handle()->Reset();
base::RunLoop().RunUntilIdle();
return true;
}
}
return false;
}
void ClientSocketPoolTest::ReleaseAllConnections(KeepAlive keep_alive) {
bool released_one;
do {
released_one = ReleaseOneConnection(keep_alive);
} while (released_one);
}
MockTransportClientSocketPool::MockConnectJob::MockConnectJob(
std::unique_ptr<StreamSocket> socket,
ClientSocketHandle* handle,
const SocketTag& socket_tag,
CompletionOnceCallback callback)
: socket_(std::move(socket)),
handle_(handle),
socket_tag_(socket_tag),
user_callback_(std::move(callback)) {}
MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() = default;
int MockTransportClientSocketPool::MockConnectJob::Connect() {
socket_->ApplySocketTag(socket_tag_);
int rv = socket_->Connect(base::Bind(&MockConnectJob::OnConnect,
base::Unretained(this)));
if (rv != ERR_IO_PENDING) {
user_callback_.Reset();
OnConnect(rv);
}
return rv;
}
bool MockTransportClientSocketPool::MockConnectJob::CancelHandle(
const ClientSocketHandle* handle) {
if (handle != handle_)
return false;
socket_.reset();
handle_ = NULL;
user_callback_.Reset();
return true;
}
void MockTransportClientSocketPool::MockConnectJob::OnConnect(int rv) {
if (!socket_.get())
return;
if (rv == OK) {
handle_->SetSocket(std::move(socket_));
// Needed for socket pool tests that layer other sockets on top of mock
// sockets.
LoadTimingInfo::ConnectTiming connect_timing;
base::TimeTicks now = base::TimeTicks::Now();
connect_timing.dns_start = now;
connect_timing.dns_end = now;
connect_timing.connect_start = now;
connect_timing.connect_end = now;
handle_->set_connect_timing(connect_timing);
} else {
socket_.reset();
// Needed to test copying of ConnectionAttempts in SSL ConnectJob.
ConnectionAttempts attempts;
attempts.push_back(ConnectionAttempt(IPEndPoint(), rv));
handle_->set_connection_attempts(attempts);
}
handle_ = NULL;
if (!user_callback_.is_null()) {
std::move(user_callback_).Run(rv);
}
}
MockTransportClientSocketPool::MockTransportClientSocketPool(
int max_sockets,
int max_sockets_per_group,
ClientSocketFactory* socket_factory)
: TransportClientSocketPool(max_sockets,
max_sockets_per_group,
nullptr /* host_resolver */,
socket_factory,
nullptr /* socket_performance_watcher_factory*/,
nullptr /* netlog */),
client_socket_factory_(socket_factory),
last_request_priority_(DEFAULT_PRIORITY),
release_count_(0),
cancel_count_(0) {}
MockTransportClientSocketPool::~MockTransportClientSocketPool() = default;
int MockTransportClientSocketPool::RequestSocket(
const std::string& group_name,
const void* socket_params,
RequestPriority priority,
const SocketTag& socket_tag,
RespectLimits respect_limits,
ClientSocketHandle* handle,
const CompletionCallback& callback,
const NetLogWithSource& net_log) {
last_request_priority_ = priority;
std::unique_ptr<StreamSocket> socket =
client_socket_factory_->CreateTransportClientSocket(
AddressList(), NULL, net_log.net_log(), NetLogSource());
MockConnectJob* job =
new MockConnectJob(std::move(socket), handle, socket_tag, callback);
job_list_.push_back(base::WrapUnique(job));
handle->set_pool_id(1);
return job->Connect();
}
void MockTransportClientSocketPool::SetPriority(const std::string& group_name,
ClientSocketHandle* handle,
RequestPriority priority) {
// TODO: Implement.
}
void MockTransportClientSocketPool::CancelRequest(const std::string& group_name,
ClientSocketHandle* handle) {
for (std::unique_ptr<MockConnectJob>& it : job_list_) {
if (it->CancelHandle(handle)) {
cancel_count_++;
break;
}
}
}
void MockTransportClientSocketPool::ReleaseSocket(
const std::string& group_name,
std::unique_ptr<StreamSocket> socket,
int id) {
EXPECT_EQ(1, id);
release_count_++;
}
MockSOCKSClientSocketPool::MockSOCKSClientSocketPool(
int max_sockets,
int max_sockets_per_group,
TransportClientSocketPool* transport_pool)
: SOCKSClientSocketPool(max_sockets,
max_sockets_per_group,
NULL,
transport_pool,
NULL,
NULL),
transport_pool_(transport_pool) {}
MockSOCKSClientSocketPool::~MockSOCKSClientSocketPool() = default;
int MockSOCKSClientSocketPool::RequestSocket(const std::string& group_name,
const void* socket_params,
RequestPriority priority,
const SocketTag& socket_tag,
RespectLimits respect_limits,
ClientSocketHandle* handle,
const CompletionCallback& callback,
const NetLogWithSource& net_log) {
return transport_pool_->RequestSocket(group_name, socket_params, priority,
socket_tag, respect_limits, handle,
callback, net_log);
}
void MockSOCKSClientSocketPool::SetPriority(const std::string& group_name,
ClientSocketHandle* handle,
RequestPriority priority) {
transport_pool_->SetPriority(group_name, handle, priority);
}
void MockSOCKSClientSocketPool::CancelRequest(
const std::string& group_name,
ClientSocketHandle* handle) {
return transport_pool_->CancelRequest(group_name, handle);
}
void MockSOCKSClientSocketPool::ReleaseSocket(
const std::string& group_name,
std::unique_ptr<StreamSocket> socket,
int id) {
return transport_pool_->ReleaseSocket(group_name, std::move(socket), id);
}
WrappedStreamSocket::WrappedStreamSocket(
std::unique_ptr<StreamSocket> transport)
: transport_(std::move(transport)) {}
WrappedStreamSocket::~WrappedStreamSocket() {}
int WrappedStreamSocket::Bind(const net::IPEndPoint& local_addr) {
NOTREACHED();
return ERR_FAILED;
}
int WrappedStreamSocket::Connect(CompletionOnceCallback callback) {
return transport_->Connect(std::move(callback));
}
void WrappedStreamSocket::Disconnect() {
transport_->Disconnect();
}
bool WrappedStreamSocket::IsConnected() const {
return transport_->IsConnected();
}
bool WrappedStreamSocket::IsConnectedAndIdle() const {
return transport_->IsConnectedAndIdle();
}
int WrappedStreamSocket::GetPeerAddress(IPEndPoint* address) const {
return transport_->GetPeerAddress(address);
}
int WrappedStreamSocket::GetLocalAddress(IPEndPoint* address) const {
return transport_->GetLocalAddress(address);
}
const NetLogWithSource& WrappedStreamSocket::NetLog() const {
return transport_->NetLog();
}
bool WrappedStreamSocket::WasEverUsed() const {
return transport_->WasEverUsed();
}
bool WrappedStreamSocket::WasAlpnNegotiated() const {
return transport_->WasAlpnNegotiated();
}
NextProto WrappedStreamSocket::GetNegotiatedProtocol() const {
return transport_->GetNegotiatedProtocol();
}
bool WrappedStreamSocket::GetSSLInfo(SSLInfo* ssl_info) {
return transport_->GetSSLInfo(ssl_info);
}
void WrappedStreamSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
transport_->GetConnectionAttempts(out);
}
void WrappedStreamSocket::ClearConnectionAttempts() {
transport_->ClearConnectionAttempts();
}
void WrappedStreamSocket::AddConnectionAttempts(
const ConnectionAttempts& attempts) {
transport_->AddConnectionAttempts(attempts);
}
int64_t WrappedStreamSocket::GetTotalReceivedBytes() const {
return transport_->GetTotalReceivedBytes();
}
void WrappedStreamSocket::ApplySocketTag(const SocketTag& tag) {
transport_->ApplySocketTag(tag);
}
int WrappedStreamSocket::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->Read(buf, buf_len, std::move(callback));
}
int WrappedStreamSocket::ReadIfReady(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return transport_->ReadIfReady(buf, buf_len, std::move((callback)));
}
int WrappedStreamSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) {
return transport_->Write(buf, buf_len, std::move(callback),
TRAFFIC_ANNOTATION_FOR_TESTS);
}
int WrappedStreamSocket::SetReceiveBufferSize(int32_t size) {
return transport_->SetReceiveBufferSize(size);
}
int WrappedStreamSocket::SetSendBufferSize(int32_t size) {
return transport_->SetSendBufferSize(size);
}
int MockTaggingStreamSocket::Connect(CompletionOnceCallback callback) {
connected_ = true;
return WrappedStreamSocket::Connect(std::move(callback));
}
void MockTaggingStreamSocket::ApplySocketTag(const SocketTag& tag) {
tagged_before_connected_ &= !connected_ || tag == tag_;
tag_ = tag;
transport_->ApplySocketTag(tag);
}
std::unique_ptr<TransportClientSocket>
MockTaggingClientSocketFactory::CreateTransportClientSocket(
const AddressList& addresses,
std::unique_ptr<SocketPerformanceWatcher> socket_performance_watcher,
NetLog* net_log,
const NetLogSource& source) {
std::unique_ptr<MockTaggingStreamSocket> socket(new MockTaggingStreamSocket(
MockClientSocketFactory::CreateTransportClientSocket(
addresses, std::move(socket_performance_watcher), net_log, source)));
tcp_socket_ = socket.get();
return std::move(socket);
}
std::unique_ptr<DatagramClientSocket>
MockTaggingClientSocketFactory::CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
NetLog* net_log,
const NetLogSource& source) {
std::unique_ptr<DatagramClientSocket> socket(
MockClientSocketFactory::CreateDatagramClientSocket(bind_type, net_log,
source));
udp_socket_ = static_cast<MockUDPClientSocket*>(socket.get());
return socket;
}
const char kSOCKS4OkRequestLocalHostPort80[] = {0x04, 0x01, 0x00, 0x50, 127,
0, 0, 1, 0};
const int kSOCKS4OkRequestLocalHostPort80Length =
base::size(kSOCKS4OkRequestLocalHostPort80);
const char kSOCKS4OkReply[] = {0x00, 0x5A, 0x00, 0x00, 0, 0, 0, 0};
const int kSOCKS4OkReplyLength = base::size(kSOCKS4OkReply);
const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
const int kSOCKS5GreetRequestLength = base::size(kSOCKS5GreetRequest);
const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
const int kSOCKS5GreetResponseLength = base::size(kSOCKS5GreetResponse);
const char kSOCKS5OkRequest[] =
{ 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
const int kSOCKS5OkRequestLength = base::size(kSOCKS5OkRequest);
const char kSOCKS5OkResponse[] =
{ 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
const int kSOCKS5OkResponseLength = base::size(kSOCKS5OkResponse);
int64_t CountReadBytes(base::span<const MockRead> reads) {
int64_t total = 0;
for (const MockRead& read : reads)
total += read.data_len;
return total;
}
int64_t CountWriteBytes(base::span<const MockWrite> writes) {
int64_t total = 0;
for (const MockWrite& write : writes)
total += write.data_len;
return total;
}
#if defined(OS_ANDROID)
uint64_t GetTaggedBytes(int32_t expected_tag) {
// To determine how many bytes the system saw with a particular tag read
// the /proc/net/xt_qtaguid/stats file which contains the kernel's
// dump of all the UIDs and their tags sent and received bytes.
uint64_t bytes = 0;
std::string contents;
EXPECT_TRUE(base::ReadFileToString(
base::FilePath::FromUTF8Unsafe("/proc/net/xt_qtaguid/stats"), &contents));
for (size_t i = contents.find('\n'); // Skip first line which is headers.
i != std::string::npos && i < contents.length();) {
uint64_t tag, rx_bytes;
uid_t uid;
int n;
// Parse out the numbers we care about. For reference here's the column
// headers:
// idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes
// tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets
// rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes
// tx_udp_packets tx_other_bytes tx_other_packets
EXPECT_EQ(sscanf(contents.c_str() + i,
"%*d %*s 0x%" SCNx64 " %d %*d %" SCNu64
" %*d %*d %*d %*d %*d %*d %*d %*d "
"%*d %*d %*d %*d %*d %*d %*d%n",
&tag, &uid, &rx_bytes, &n),
3);
// If this line matches our UID and |expected_tag| then add it to the total.
if (uid == getuid() && (int32_t)(tag >> 32) == expected_tag) {
bytes += rx_bytes;
}
// Move |i| to the next line.
i += n + 1;
}
return bytes;
}
#endif
} // namespace net
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