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unplugged-system/external/cronet/net/socket/socket_test_util.cc

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// Copyright 2012 The Chromium Authors
// 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 <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/compiler_specific.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/rand_util.h"
#include "base/ranges/algorithm.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "build/build_config.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/base/proxy_server.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/connect_job.h"
#include "net/socket/socket.h"
#include "net/socket/stream_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.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/build_info.h"
#endif
#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;
}
void RunClosureIfNonNull(base::OnceClosure closure) {
if (!closure.is_null()) {
std::move(closure).Run();
}
}
} // 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(IoMode io_mode,
int r,
IPEndPoint addr,
bool first_attempt_fails)
: mode(io_mode),
result(r),
peer_addr(addr),
first_attempt_fails(first_attempt_fails) {}
MockConnect::~MockConnect() = default;
MockConfirm::MockConfirm() : mode(SYNCHRONOUS), result(OK) {}
MockConfirm::MockConfirm(IoMode io_mode, int r) : mode(io_mode), result(r) {}
MockConfirm::~MockConfirm() = default;
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() = default;
SocketDataProvider::~SocketDataProvider() {
if (socket_)
socket_->OnDataProviderDestroyed();
}
StaticSocketDataHelper::StaticSocketDataHelper(
base::span<const MockRead> reads,
base::span<const MockWrite> writes)
: reads_(reads), writes_(writes) {}
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,
SocketDataPrinter* printer) {
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());
if (printer) {
EXPECT_TRUE(actual_data == expected_data)
<< "Actual formatted write data:\n"
<< printer->PrintWrite(data) << "Expected formatted write data:\n"
<< printer->PrintWrite(expected_data) << "Actual raw write data:\n"
<< HexDump(data) << "Expected raw write data:\n"
<< HexDump(expected_data);
} else {
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;
void StaticSocketDataProvider::Pause() {
paused_ = true;
}
void StaticSocketDataProvider::Resume() {
paused_ = false;
}
MockRead StaticSocketDataProvider::OnRead() {
if (AllReadDataConsumed()) {
const net::MockRead pending_read(net::SYNCHRONOUS, net::ERR_IO_PENDING);
return pending_read;
}
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());
}
if (printer_) {
EXPECT_FALSE(helper_.AllWriteDataConsumed())
<< "No more mock data to match write:\nFormatted write data:\n"
<< printer_->PrintWrite(data) << "Raw write data:\n"
<< HexDump(data);
} else {
EXPECT_FALSE(helper_.AllWriteDataConsumed())
<< "No more mock data to match write:\nRaw write data:\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, printer_))
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 paused_ || helper_.AllReadDataConsumed();
}
bool StaticSocketDataProvider::AllWriteDataConsumed() const {
return helper_.AllWriteDataConsumed();
}
void StaticSocketDataProvider::Reset() {
helper_.Reset();
}
SSLSocketDataProvider::SSLSocketDataProvider(IoMode mode, int result)
: connect(mode, result),
expected_ssl_version_min(kDefaultSSLVersionMin),
expected_ssl_version_max(kDefaultSSLVersionMax) {
SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_3,
&ssl_info.connection_status);
// Set to TLS_CHACHA20_POLY1305_SHA256
SSLConnectionStatusSetCipherSuite(0x1301, &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) {
// 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;
}
if (next_write != writes.end()) {
CHECK(false) << "Sequence number " << next_write->sequence_number
<< " not found where expected: " << next_sequence_number;
} else {
CHECK(false) << "Too few writes, next expected sequence number: "
<< 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(next_read == reads.end());
CHECK(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(IoState::kIdle, read_state_);
CHECK(!helper_.AllReadDataConsumed())
<< "Application tried to read but there is no read data left";
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_ = IoState::kPaused;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return MockRead(SYNCHRONOUS, ERR_IO_PENDING);
}
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&SequencedSocketData::OnReadComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(IoState::kCompleting, write_state_);
read_state_ = IoState::kCompleting;
} 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_ = IoState::kPending;
}
return MockRead(SYNCHRONOUS, ERR_IO_PENDING);
}
MockWriteResult SequencedSocketData::OnWrite(const std::string& data) {
CHECK_EQ(IoState::kIdle, write_state_);
if (printer_) {
CHECK(!helper_.AllWriteDataConsumed())
<< "\nNo more mock data to match write:\nFormatted write data:\n"
<< printer_->PrintWrite(data) << "Raw write data:\n"
<< HexDump(data);
} else {
CHECK(!helper_.AllWriteDataConsumed())
<< "\nNo more mock data to match write:\nRaw write data:\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, printer_))
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_ = IoState::kPaused;
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::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&SequencedSocketData::OnWriteComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(IoState::kCompleting, read_state_);
write_state_ = IoState::kCompleting;
} 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_ = IoState::kPending;
}
return MockWriteResult(SYNCHRONOUS, ERR_IO_PENDING);
}
bool SequencedSocketData::AllReadDataConsumed() const {
return helper_.AllReadDataConsumed();
}
void SequencedSocketData::CancelPendingRead() {
DCHECK_EQ(IoState::kPending, read_state_);
read_state_ = IoState::kIdle;
}
bool SequencedSocketData::AllWriteDataConsumed() const {
return helper_.AllWriteDataConsumed();
}
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_ != IoState::kPaused || write_state_ != IoState::kPaused);
return write_state_ == IoState::kPaused || read_state_ == IoState::kPaused;
}
void SequencedSocketData::Resume() {
if (!IsPaused()) {
ADD_FAILURE() << "Unable to Resume when not paused.";
return;
}
sequence_number_++;
if (read_state_ == IoState::kPaused) {
read_state_ = IoState::kPending;
helper_.AdvanceRead();
} else { // write_state_ == IoState::kPaused
write_state_ = IoState::kPending;
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_ != IoState::kPending)
return;
write_state_ = IoState::kCompleting;
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_ != IoState::kPending)
return;
read_state_ = IoState::kCompleting;
OnReadComplete();
}
void SequencedSocketData::RunUntilPaused() {
CHECK(!run_until_paused_run_loop_);
if (IsPaused())
return;
run_until_paused_run_loop_ = std::make_unique<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_ != IoState::kPending ||
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_ = IoState::kPaused;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return;
}
NET_TRACE(1, " ****** ") << "Posting task to complete read: "
<< sequence_number_;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&SequencedSocketData::OnReadComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(IoState::kCompleting, write_state_);
read_state_ = IoState::kCompleting;
}
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_ != IoState::kPending ||
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_ = IoState::kPaused;
if (run_until_paused_run_loop_)
run_until_paused_run_loop_->Quit();
return;
}
NET_TRACE(1, " ****** ") << "Posting task to complete write: "
<< sequence_number_;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&SequencedSocketData::OnWriteComplete,
weak_factory_.GetWeakPtr()));
CHECK_NE(IoState::kCompleting, read_state_);
write_state_ = IoState::kCompleting;
}
void SequencedSocketData::Reset() {
helper_.Reset();
sequence_number_ = 0;
read_state_ = IoState::kIdle;
write_state_ = IoState::kIdle;
weak_factory_.InvalidateWeakPtrs();
}
void SequencedSocketData::OnReadComplete() {
CHECK_EQ(IoState::kCompleting, 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_ = IoState::kIdle;
// 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(IoState::kCompleting, 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_ = IoState::kIdle;
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() = default;
MockClientSocketFactory::~MockClientSocketFactory() = default;
void MockClientSocketFactory::AddSocketDataProvider(SocketDataProvider* data) {
mock_data_.Add(data);
}
void MockClientSocketFactory::AddTcpSocketDataProvider(
SocketDataProvider* data) {
mock_tcp_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,
NetLog* net_log,
const NetLogSource& source) {
SocketDataProvider* data_provider = mock_data_.GetNext();
auto socket = std::make_unique<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,
NetworkQualityEstimator* network_quality_estimator,
NetLog* net_log,
const NetLogSource& source) {
SocketDataProvider* data_provider = mock_tcp_data_.GetNextWithoutAsserting();
if (!data_provider)
data_provider = mock_data_.GetNext();
auto socket =
std::make_unique<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(
SSLClientContext* context,
std::unique_ptr<StreamSocket> stream_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config) {
SSLSocketDataProvider* next_ssl_data = mock_ssl_data_.GetNext();
if (next_ssl_data->next_protos_expected_in_ssl_config.has_value()) {
EXPECT_TRUE(base::ranges::equal(
next_ssl_data->next_protos_expected_in_ssl_config.value(),
ssl_config.alpn_protos));
}
// The protocol version used is a combination of the per-socket SSLConfig and
// the SSLConfigService.
EXPECT_EQ(
next_ssl_data->expected_ssl_version_min,
ssl_config.version_min_override.value_or(context->config().version_min));
EXPECT_EQ(
next_ssl_data->expected_ssl_version_max,
ssl_config.version_max_override.value_or(context->config().version_max));
if (next_ssl_data->expected_send_client_cert) {
// Client certificate preferences come from |context|.
scoped_refptr<X509Certificate> client_cert;
scoped_refptr<SSLPrivateKey> client_private_key;
bool send_client_cert = context->GetClientCertificate(
host_and_port, &client_cert, &client_private_key);
EXPECT_EQ(*next_ssl_data->expected_send_client_cert, send_client_cert);
// Note |send_client_cert| may be true while |client_cert| is null if the
// socket is configured to continue without a certificate, as opposed to
// surfacing the certificate challenge.
EXPECT_EQ(!!next_ssl_data->expected_client_cert, !!client_cert);
if (next_ssl_data->expected_client_cert && client_cert) {
EXPECT_TRUE(next_ssl_data->expected_client_cert->EqualsIncludingChain(
client_cert.get()));
}
}
if (next_ssl_data->expected_host_and_port) {
EXPECT_EQ(*next_ssl_data->expected_host_and_port, host_and_port);
}
if (next_ssl_data->expected_network_anonymization_key) {
EXPECT_EQ(*next_ssl_data->expected_network_anonymization_key,
ssl_config.network_anonymization_key);
}
if (next_ssl_data->expected_disable_sha1_server_signatures) {
EXPECT_EQ(*next_ssl_data->expected_disable_sha1_server_signatures,
ssl_config.disable_sha1_server_signatures);
}
if (next_ssl_data->expected_ech_config_list) {
EXPECT_EQ(*next_ssl_data->expected_ech_config_list,
ssl_config.ech_config_list);
}
return std::make_unique<MockSSLClientSocket>(
std::move(stream_socket), host_and_port, ssl_config, next_ssl_data);
}
MockClientSocket::MockClientSocket(const NetLogWithSource& net_log)
: net_log_(net_log) {
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;
}
bool MockClientSocket::SetNoDelay(bool no_delay) {
return true;
}
bool MockClientSocket::SetKeepAlive(bool enable, int delay) {
return true;
}
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;
}
MockClientSocket::~MockClientSocket() = default;
void MockClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::SingleThreadTaskRunner::GetCurrentDefault()->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_data_(SYNCHRONOUS, ERR_UNEXPECTED) {
DCHECK(data_);
peer_addr_ = data->connect_data().peer_addr;
data_->Initialize(this);
if (data_->expected_addresses()) {
EXPECT_EQ(*data_->expected_addresses(), addresses);
}
}
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::BindOnce(&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;
}
int MockTCPClientSocket::SetReceiveBufferSize(int32_t size) {
if (!connected_)
return net::ERR_UNEXPECTED;
data_->set_receive_buffer_size(size);
return data_->set_receive_buffer_size_result();
}
int MockTCPClientSocket::SetSendBufferSize(int32_t size) {
if (!connected_)
return net::ERR_UNEXPECTED;
data_->set_send_buffer_size(size);
return data_->set_send_buffer_size_result();
}
bool MockTCPClientSocket::SetNoDelay(bool no_delay) {
if (!connected_)
return false;
data_->set_no_delay(no_delay);
return data_->set_no_delay_result();
}
bool MockTCPClientSocket::SetKeepAlive(bool enable, int delay) {
if (!connected_)
return false;
data_->set_keep_alive(enable, delay);
return data_->set_keep_alive_result();
}
void MockTCPClientSocket::SetBeforeConnectCallback(
const BeforeConnectCallback& before_connect_callback) {
DCHECK(!before_connect_callback_);
DCHECK(!connected_);
before_connect_callback_ = before_connect_callback;
}
int MockTCPClientSocket::Connect(CompletionOnceCallback callback) {
if (!data_)
return ERR_UNEXPECTED;
if (connected_)
return OK;
// Setting socket options fails if not connected, so need to set this before
// calling |before_connect_callback_|.
connected_ = true;
if (before_connect_callback_) {
for (size_t index = 0; index < addresses_.size(); index++) {
int result = before_connect_callback_.Run();
if (data_->connect_data().first_attempt_fails && index == 0) {
continue;
}
DCHECK_NE(result, ERR_IO_PENDING);
if (result != net::OK) {
connected_ = false;
return result;
}
break;
}
}
peer_closed_connection_ = false;
int result = data_->connect_data().result;
IoMode mode = data_->connect_data().mode;
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);
if (data_->connect_data().first_attempt_fails) {
DCHECK_GE(addresses_.size(), 2U);
*address = addresses_[1];
} else {
*address = addresses_[0];
}
return OK;
}
bool MockTCPClientSocket::WasEverUsed() const {
return was_used_to_convey_data_;
}
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::BindOnce(&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;
pending_read_if_ready_callback_ = std::move(callback);
// base::Unretained() is safe here because RunCallbackAsync will wrap it
// with a callback associated with a weak ptr.
RunCallbackAsync(
base::BindOnce(&MockTCPClientSocket::RunReadIfReadyCallback,
base::Unretained(this)),
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;
}
void MockTCPClientSocket::RunReadIfReadyCallback(int result) {
// If ReadIfReady is already canceled, do nothing.
if (!pending_read_if_ready_callback_)
return;
std::move(pending_read_if_ready_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<StreamSocket> stream_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config,
SSLSocketDataProvider* data)
: net_log_(stream_socket->NetLog()),
stream_socket_(std::move(stream_socket)),
data_(data) {
DCHECK(data_);
peer_addr_ = data->connect.peer_addr;
}
MockSSLClientSocket::~MockSSLClientSocket() {
Disconnect();
}
int MockSSLClientSocket::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return stream_socket_->Read(buf, buf_len, std::move(callback));
}
int MockSSLClientSocket::ReadIfReady(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
return stream_socket_->ReadIfReady(buf, buf_len, std::move(callback));
}
int MockSSLClientSocket::Write(
IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) {
if (!data_->is_confirm_data_consumed)
data_->write_called_before_confirm = true;
return stream_socket_->Write(buf, buf_len, std::move(callback),
traffic_annotation);
}
int MockSSLClientSocket::CancelReadIfReady() {
return stream_socket_->CancelReadIfReady();
}
int MockSSLClientSocket::Connect(CompletionOnceCallback callback) {
DCHECK(stream_socket_->IsConnected());
data_->is_connect_data_consumed = true;
if (data_->connect.result == OK)
connected_ = true;
RunClosureIfNonNull(std::move(data_->connect_callback));
if (data_->connect.mode == ASYNC) {
RunCallbackAsync(std::move(callback), data_->connect.result);
return ERR_IO_PENDING;
}
return data_->connect.result;
}
void MockSSLClientSocket::Disconnect() {
if (stream_socket_ != nullptr)
stream_socket_->Disconnect();
}
void MockSSLClientSocket::RunConfirmHandshakeCallback(
CompletionOnceCallback callback,
int result) {
DCHECK(in_confirm_handshake_);
in_confirm_handshake_ = false;
data_->is_confirm_data_consumed = true;
std::move(callback).Run(result);
}
int MockSSLClientSocket::ConfirmHandshake(CompletionOnceCallback callback) {
DCHECK(stream_socket_->IsConnected());
DCHECK(!in_confirm_handshake_);
if (data_->is_confirm_data_consumed)
return data_->confirm.result;
RunClosureIfNonNull(std::move(data_->confirm_callback));
if (data_->confirm.mode == ASYNC) {
in_confirm_handshake_ = true;
RunCallbackAsync(
base::BindOnce(&MockSSLClientSocket::RunConfirmHandshakeCallback,
base::Unretained(this), std::move(callback)),
data_->confirm.result);
return ERR_IO_PENDING;
}
data_->is_confirm_data_consumed = true;
if (data_->confirm.result == ERR_IO_PENDING) {
// `MockConfirm(SYNCHRONOUS, ERR_IO_PENDING)` means `ConfirmHandshake()`
// never completes.
in_confirm_handshake_ = true;
}
return data_->confirm.result;
}
bool MockSSLClientSocket::IsConnected() const {
return stream_socket_->IsConnected();
}
bool MockSSLClientSocket::IsConnectedAndIdle() const {
return stream_socket_->IsConnectedAndIdle();
}
bool MockSSLClientSocket::WasEverUsed() const {
return stream_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 stream_socket_->GetPeerAddress(address);
}
bool MockSSLClientSocket::WasAlpnNegotiated() const {
return data_->next_proto != kProtoUnknown;
}
NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
return data_->next_proto;
}
absl::optional<base::StringPiece>
MockSSLClientSocket::GetPeerApplicationSettings() const {
return data_->peer_application_settings;
}
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 stream_socket_->ApplySocketTag(tag);
}
const NetLogWithSource& MockSSLClientSocket::NetLog() const {
return net_log_;
}
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();
}
}
int MockSSLClientSocket::ExportKeyingMaterial(base::StringPiece label,
bool has_context,
base::StringPiece context,
unsigned char* out,
unsigned int outlen) {
memset(out, 'A', outlen);
return OK;
}
std::vector<uint8_t> MockSSLClientSocket::GetECHRetryConfigs() {
return data_->ech_retry_configs;
}
void MockSSLClientSocket::RunCallbackAsync(CompletionOnceCallback callback,
int result) {
base::SingleThreadTaskRunner::GetCurrentDefault()->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)
: data_(data),
read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
source_host_(IPAddress(192, 0, 2, 33)),
net_log_(NetLogWithSource::Make(net_log, NetLogSourceType::NONE)) {
if (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::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 {
if (!data_)
return ERR_UNEXPECTED;
*address = peer_addr_;
return OK;
}
int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
*address = IPEndPoint(source_host_, source_port_);
return OK;
}
void MockUDPClientSocket::UseNonBlockingIO() {}
int MockUDPClientSocket::SetMulticastInterface(uint32_t interface_index) {
return OK;
}
const NetLogWithSource& MockUDPClientSocket::NetLog() const {
return net_log_;
}
int MockUDPClientSocket::Connect(const IPEndPoint& address) {
if (!data_)
return ERR_UNEXPECTED;
DCHECK_NE(data_->connect_data().result, ERR_IO_PENDING);
connected_ = true;
peer_addr_ = address;
return data_->connect_data().result;
}
int MockUDPClientSocket::ConnectUsingNetwork(handles::NetworkHandle network,
const IPEndPoint& address) {
DCHECK(!connected_);
if (!data_)
return ERR_UNEXPECTED;
DCHECK_NE(data_->connect_data().result, ERR_IO_PENDING);
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;
DCHECK_NE(data_->connect_data().result, ERR_IO_PENDING);
network_ = kDefaultNetworkForTests;
connected_ = true;
peer_addr_ = address;
return data_->connect_data().result;
}
int MockUDPClientSocket::ConnectAsync(const IPEndPoint& address,
CompletionOnceCallback callback) {
DCHECK(callback);
if (!data_) {
return ERR_UNEXPECTED;
}
connected_ = true;
peer_addr_ = address;
int result = data_->connect_data().result;
IoMode mode = data_->connect_data().mode;
if (mode == SYNCHRONOUS) {
return result;
}
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
int MockUDPClientSocket::ConnectUsingNetworkAsync(
handles::NetworkHandle network,
const IPEndPoint& address,
CompletionOnceCallback callback) {
DCHECK(callback);
DCHECK(!connected_);
if (!data_)
return ERR_UNEXPECTED;
network_ = network;
connected_ = true;
peer_addr_ = address;
int result = data_->connect_data().result;
IoMode mode = data_->connect_data().mode;
if (mode == SYNCHRONOUS) {
return result;
}
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
int MockUDPClientSocket::ConnectUsingDefaultNetworkAsync(
const IPEndPoint& address,
CompletionOnceCallback callback) {
DCHECK(!connected_);
if (!data_)
return ERR_UNEXPECTED;
network_ = kDefaultNetworkForTests;
connected_ = true;
peer_addr_ = address;
int result = data_->connect_data().result;
IoMode mode = data_->connect_data().mode;
if (mode == SYNCHRONOUS) {
return result;
}
RunCallbackAsync(std::move(callback), result);
return ERR_IO_PENDING;
}
handles::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_ = nullptr;
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::SingleThreadTaskRunner::GetCurrentDefault()->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) {
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() = default;
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,
RequestPriority priority)
: socket_(std::move(socket)),
handle_(handle),
socket_tag_(socket_tag),
user_callback_(std::move(callback)),
priority_(priority) {}
MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() = default;
int MockTransportClientSocketPool::MockConnectJob::Connect() {
socket_->ApplySocketTag(socket_tag_);
int rv = socket_->Connect(
base::BindOnce(&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_ = nullptr;
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.domain_lookup_start = now;
connect_timing.domain_lookup_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_ = nullptr;
if (!user_callback_.is_null()) {
std::move(user_callback_).Run(rv);
}
}
MockTransportClientSocketPool::MockTransportClientSocketPool(
int max_sockets,
int max_sockets_per_group,
const CommonConnectJobParams* common_connect_job_params)
: TransportClientSocketPool(
max_sockets,
max_sockets_per_group,
base::Seconds(10) /* unused_idle_socket_timeout */,
ProxyServer::Direct(),
false /* is_for_websockets */,
common_connect_job_params),
client_socket_factory_(common_connect_job_params->client_socket_factory) {
}
MockTransportClientSocketPool::~MockTransportClientSocketPool() = default;
int MockTransportClientSocketPool::RequestSocket(
const ClientSocketPool::GroupId& group_id,
scoped_refptr<ClientSocketPool::SocketParams> socket_params,
const absl::optional<NetworkTrafficAnnotationTag>& proxy_annotation_tag,
RequestPriority priority,
const SocketTag& socket_tag,
RespectLimits respect_limits,
ClientSocketHandle* handle,
CompletionOnceCallback callback,
const ProxyAuthCallback& on_auth_callback,
const NetLogWithSource& net_log) {
last_request_priority_ = priority;
std::unique_ptr<StreamSocket> socket =
client_socket_factory_->CreateTransportClientSocket(
AddressList(), nullptr, nullptr, net_log.net_log(), NetLogSource());
auto job = std::make_unique<MockConnectJob>(
std::move(socket), handle, socket_tag, std::move(callback), priority);
auto* job_ptr = job.get();
job_list_.push_back(std::move(job));
handle->set_group_generation(1);
return job_ptr->Connect();
}
void MockTransportClientSocketPool::SetPriority(
const ClientSocketPool::GroupId& group_id,
ClientSocketHandle* handle,
RequestPriority priority) {
for (auto& job : job_list_) {
if (job->handle() == handle) {
job->set_priority(priority);
return;
}
}
NOTREACHED();
}
void MockTransportClientSocketPool::CancelRequest(
const ClientSocketPool::GroupId& group_id,
ClientSocketHandle* handle,
bool cancel_connect_job) {
for (std::unique_ptr<MockConnectJob>& it : job_list_) {
if (it->CancelHandle(handle)) {
cancel_count_++;
break;
}
}
}
void MockTransportClientSocketPool::ReleaseSocket(
const ClientSocketPool::GroupId& group_id,
std::unique_ptr<StreamSocket> socket,
int64_t generation) {
EXPECT_EQ(1, generation);
release_count_++;
}
WrappedStreamSocket::WrappedStreamSocket(
std::unique_ptr<StreamSocket> transport)
: transport_(std::move(transport)) {}
WrappedStreamSocket::~WrappedStreamSocket() = default;
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);
}
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,
NetworkQualityEstimator* network_quality_estimator,
NetLog* net_log,
const NetLogSource& source) {
auto socket = std::make_unique<MockTaggingStreamSocket>(
MockClientSocketFactory::CreateTransportClientSocket(
addresses, std::move(socket_performance_watcher),
network_quality_estimator, 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 kSOCKS4TestHost[] = "127.0.0.1";
const int kSOCKS4TestPort = 80;
const char kSOCKS4OkRequestLocalHostPort80[] = {0x04, 0x01, 0x00, 0x50, 127,
0, 0, 1, 0};
const int kSOCKS4OkRequestLocalHostPort80Length =
std::size(kSOCKS4OkRequestLocalHostPort80);
const char kSOCKS4OkReply[] = {0x00, 0x5A, 0x00, 0x00, 0, 0, 0, 0};
const int kSOCKS4OkReplyLength = std::size(kSOCKS4OkReply);
const char kSOCKS5TestHost[] = "host";
const int kSOCKS5TestPort = 80;
const char kSOCKS5GreetRequest[] = {0x05, 0x01, 0x00};
const int kSOCKS5GreetRequestLength = std::size(kSOCKS5GreetRequest);
const char kSOCKS5GreetResponse[] = {0x05, 0x00};
const int kSOCKS5GreetResponseLength = std::size(kSOCKS5GreetResponse);
const char kSOCKS5OkRequest[] = {0x05, 0x01, 0x00, 0x03, 0x04, 'h',
'o', 's', 't', 0x00, 0x50};
const int kSOCKS5OkRequestLength = std::size(kSOCKS5OkRequest);
const char kSOCKS5OkResponse[] = {0x05, 0x00, 0x00, 0x01, 127,
0, 0, 1, 0x00, 0x50};
const int kSOCKS5OkResponseLength = std::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 BUILDFLAG(IS_ANDROID)
bool CanGetTaggedBytes() {
// In Android P, /proc/net/xt_qtaguid/stats is no longer guaranteed to be
// present, and has been replaced with eBPF Traffic Monitoring in netd. See:
// https://source.android.com/devices/tech/datausage/ebpf-traffic-monitor
//
// To read traffic statistics from netd, apps should use the API
// NetworkStatsManager.queryDetailsForUidTag(). But this API does not provide
// statistics for local traffic, only mobile and WiFi traffic, so it would not
// work in tests that spin up a local server. So for now, GetTaggedBytes is
// only supported on Android releases older than P.
return base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_P;
}
uint64_t GetTaggedBytes(int32_t expected_tag) {
EXPECT_TRUE(CanGetTaggedBytes());
// 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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