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// Copyright 2013 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 "tools/ipc_fuzzer/replay/replay_process.h"
#include <limits.h>
#include <string>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/posix/global_descriptors.h"
#include "chrome/common/chrome_switches.h"
#include "ipc/ipc_descriptors.h"
#include "ipc/ipc_switches.h"
namespace ipc_fuzzer {
ReplayProcess::ReplayProcess()
: io_thread_("Chrome_ChildIOThread"),
shutdown_event_(true, false),
message_index_(0) {
}
ReplayProcess::~ReplayProcess() {
channel_.reset();
}
bool ReplayProcess::Initialize(int argc, const char** argv) {
CommandLine::Init(argc, argv);
if (!CommandLine::ForCurrentProcess()->HasSwitch(
switches::kIpcFuzzerTestcase)) {
LOG(ERROR) << "This binary shouldn't be executed directly, "
<< "please use tools/ipc_fuzzer/play_testcase.py";
return false;
}
// Log to default destination.
logging::SetMinLogLevel(logging::LOG_ERROR);
logging::InitLogging(logging::LoggingSettings());
io_thread_.StartWithOptions(
base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
base::GlobalDescriptors* g_fds = base::GlobalDescriptors::GetInstance();
g_fds->Set(kPrimaryIPCChannel,
kPrimaryIPCChannel + base::GlobalDescriptors::kBaseDescriptor);
return true;
}
void ReplayProcess::OpenChannel() {
std::string channel_name =
CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kProcessChannelID);
channel_.reset(
new IPC::ChannelProxy(channel_name,
IPC::Channel::MODE_CLIENT,
this,
io_thread_.message_loop_proxy()));
}
bool ReplayProcess::OpenTestcase() {
base::FilePath path = CommandLine::ForCurrentProcess()->GetSwitchValuePath(
switches::kIpcFuzzerTestcase);
return MessageFile::Read(path, &messages_);
}
void ReplayProcess::SendNextMessage() {
if (message_index_ >= messages_.size()) {
base::MessageLoop::current()->Quit();
return;
}
// Take next message and release it from vector.
IPC::Message* message = messages_[message_index_];
messages_[message_index_++] = NULL;
if (!channel_->Send(message)) {
LOG(ERROR) << "ChannelProxy::Send() failed after "
<< message_index_ << " messages";
base::MessageLoop::current()->Quit();
}
}
void ReplayProcess::Run() {
timer_.reset(new base::Timer(false, true));
timer_->Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(1),
base::Bind(&ReplayProcess::SendNextMessage,
base::Unretained(this)));
base::MessageLoop::current()->Run();
}
bool ReplayProcess::OnMessageReceived(const IPC::Message& msg) {
return true;
}
void ReplayProcess::OnChannelError() {
LOG(ERROR) << "Channel error, quitting after "
<< message_index_ << " messages";
base::MessageLoop::current()->Quit();
}
} // namespace ipc_fuzzer
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