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// Copyright (c) 2010 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 "chrome/service/service_process.h"
#include <algorithm>
#include "base/path_service.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/json_pref_store.h"
#include "chrome/service/cloud_print/cloud_print_proxy.h"
#include "chrome/service/service_ipc_server.h"
#include "net/base/network_change_notifier.h"
#if defined(ENABLE_REMOTING)
#include "remoting/base/constants.h"
#include "remoting/base/encoder_zlib.h"
#include "remoting/host/chromoting_host.h"
#include "remoting/host/chromoting_host_context.h"
#include "remoting/host/json_host_config.h"
#if defined(OS_WIN)
#include "remoting/host/capturer_gdi.h"
#include "remoting/host/event_executor_win.h"
#elif defined(OS_LINUX)
#include "remoting/host/capturer_fake.h"
#include "remoting/host/event_executor_linux.h"
#elif defined(OS_MACOSX)
#include "remoting/host/capturer_mac.h"
#include "remoting/host/event_executor_mac.h"
#endif
#endif // defined(ENABLED_REMOTING)
ServiceProcess* g_service_process = NULL;
ServiceProcess::ServiceProcess()
: shutdown_event_(true, false),
main_message_loop_(NULL) {
DCHECK(!g_service_process);
g_service_process = this;
}
bool ServiceProcess::Initialize(MessageLoop* message_loop) {
main_message_loop_ = message_loop;
network_change_notifier_.reset(net::NetworkChangeNotifier::Create());
base::Thread::Options options;
options.message_loop_type = MessageLoop::TYPE_IO;
io_thread_.reset(new base::Thread("ServiceProcess_IO"));
file_thread_.reset(new base::Thread("ServiceProcess_File"));
if (!io_thread_->StartWithOptions(options) ||
!file_thread_->StartWithOptions(options)) {
NOTREACHED();
Teardown();
return false;
}
FilePath user_data_dir;
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
FilePath pref_path = user_data_dir.Append(chrome::kServiceStateFileName);
service_prefs_.reset(new JsonPrefStore(pref_path,
file_thread_->message_loop_proxy()));
service_prefs_->ReadPrefs();
// TODO(sanjeevr): We need to actually figure out the right way to determine
// a channel name. The below is to facilitate testing only.
#if defined(OS_WIN)
std::string channel_name = WideToUTF8(user_data_dir.value());
#elif defined(OS_POSIX)
std::string channel_name = user_data_dir.value();
#endif // defined(OS_WIN)
std::replace(channel_name.begin(), channel_name.end(), '\\', '!');
channel_name.append("_service_ipc");
ipc_server_.reset(new ServiceIPCServer(channel_name));
ipc_server_->Init();
return true;
}
bool ServiceProcess::Teardown() {
if (service_prefs_.get()) {
service_prefs_->WritePrefs();
service_prefs_.reset();
}
cloud_print_proxy_.reset();
#if defined(ENABLE_REMOTING)
ShutdownChromotingHost();
#endif
ipc_server_.reset();
// Signal this event before shutting down the service process. That way all
// background threads can cleanup.
shutdown_event_.Signal();
io_thread_.reset();
file_thread_.reset();
// The NetworkChangeNotifier must be destroyed after all other threads that
// might use it have been shut down.
network_change_notifier_.reset();
return true;
}
CloudPrintProxy* ServiceProcess::GetCloudPrintProxy() {
if (!cloud_print_proxy_.get()) {
cloud_print_proxy_.reset(new CloudPrintProxy());
cloud_print_proxy_->Initialize(service_prefs_.get());
}
return cloud_print_proxy_.get();
}
#if defined(ENABLE_REMOTING)
bool ServiceProcess::StartChromotingHost() {
// We have already started.
if (chromoting_context_.get())
return true;
// Load chromoting config from the disk.
LoadChromotingConfig();
// Start the chromoting context first.
chromoting_context_.reset(new remoting::ChromotingHostContext());
chromoting_context_->Start();
// Create capturer, encoder and executor. The ownership will be transfered
// to the chromoting host.
scoped_ptr<remoting::Capturer> capturer;
scoped_ptr<remoting::Encoder> encoder;
scoped_ptr<remoting::EventExecutor> executor;
#if defined(OS_WIN)
capturer.reset(new remoting::CapturerGdi());
executor.reset(new remoting::EventExecutorWin());
#elif defined(OS_LINUX)
capturer.reset(new remoting::CapturerFake());
executor.reset(new remoting::EventExecutorLinux());
#elif defined(OS_MACOSX)
capturer.reset(new remoting::CapturerMac());
executor.reset(new remoting::EventExecutorMac());
#endif
encoder.reset(new remoting::EncoderZlib());
// Create a chromoting host object.
chromoting_host_ = new remoting::ChromotingHost(chromoting_context_.get(),
chromoting_config_,
capturer.release(),
encoder.release(),
executor.release());
// Then start the chromoting host.
// When ChromotingHost is shutdown because of failure or a request that
// we made OnChromotingShutdown() is calls.
chromoting_host_->Start(
NewRunnableMethod(this, &ServiceProcess::OnChromotingHostShutdown));
return true;
}
bool ServiceProcess::ShutdownChromotingHost() {
// Chromoting host doesn't exist so return true.
if (!chromoting_host_)
return true;
// Shutdown the chromoting host asynchronously. This will signal the host to
// shutdown, we'll actually wait for all threads to stop when we destroy
// the chromoting context.
chromoting_host_->Shutdown();
chromoting_host_ = NULL;
return true;
}
// A util function to update the login information to host config.
static void SaveChromotingConfigFunc(remoting::JsonHostConfig* config,
const std::string& login,
const std::string& token,
const std::string& host_id,
const std::string& host_name,
const std::string& private_key) {
config->SetString(remoting::kXmppLoginConfigPath, login);
config->SetString(remoting::kXmppAuthTokenConfigPath, token);
config->SetString(remoting::kHostIdConfigPath, host_id);
config->SetString(remoting::kHostNameConfigPath, host_name);
config->SetString(remoting::kPrivateKeyConfigPath, private_key);
}
void ServiceProcess::SaveChromotingConfig(const std::string& login,
const std::string& token,
const std::string& host_id,
const std::string& host_name,
const std::string& private_key) {
// First we need to load the config first.
LoadChromotingConfig();
// And then do the update.
chromoting_config_->Update(
NewRunnableFunction(&SaveChromotingConfigFunc, chromoting_config_.get(),
login, token, host_id, host_name, private_key));
}
void ServiceProcess::LoadChromotingConfig() {
// TODO(hclam): We really should be doing this on IO thread so we are not
// blocked on file IOs.
if (chromoting_config_)
return;
FilePath user_data_dir;
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
FilePath chromoting_config_path =
user_data_dir.Append(FILE_PATH_LITERAL(".ChromotingConfig.json"));
chromoting_config_ = new remoting::JsonHostConfig(
chromoting_config_path, file_thread_->message_loop_proxy());
if (!chromoting_config_->Read()) {
LOG(INFO) << "Failed to read chromoting config file.";
}
}
void ServiceProcess::OnChromotingHostShutdown() {
// TODO(hclam): Implement.
}
#endif
ServiceProcess::~ServiceProcess() {
Teardown();
g_service_process = NULL;
}
// Disable refcounting for runnable method because it is really not needed
// when we post tasks on the main message loop.
DISABLE_RUNNABLE_METHOD_REFCOUNT(ServiceProcess);
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