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// Copyright (c) 2009 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/browser/utility_process_host.h"
#include "app/app_switches.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/indexed_db_key.h"
#include "chrome/common/utility_messages.h"
#include "ipc/ipc_switches.h"
#include "third_party/skia/include/core/SkBitmap.h"
UtilityProcessHost::UtilityProcessHost(ResourceDispatcherHost* rdh,
Client* client,
BrowserThread::ID client_thread_id)
: BrowserChildProcessHost(UTILITY_PROCESS, rdh),
client_(client),
client_thread_id_(client_thread_id),
is_batch_mode_(false) {
}
UtilityProcessHost::~UtilityProcessHost() {
DCHECK(!is_batch_mode_);
}
bool UtilityProcessHost::StartExtensionUnpacker(const FilePath& extension) {
// Grant the subprocess access to the entire subdir the extension file is
// in, so that it can unpack to that dir.
if (!StartProcess(extension.DirName()))
return false;
Send(new UtilityMsg_UnpackExtension(extension));
return true;
}
bool UtilityProcessHost::StartWebResourceUnpacker(const std::string& data) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_UnpackWebResource(data));
return true;
}
bool UtilityProcessHost::StartUpdateManifestParse(const std::string& xml) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_ParseUpdateManifest(xml));
return true;
}
bool UtilityProcessHost::StartImageDecoding(
const std::vector<unsigned char>& encoded_data) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_DecodeImage(encoded_data));
return true;
}
bool UtilityProcessHost::StartIDBKeysFromValuesAndKeyPath(
int id, const std::vector<SerializedScriptValue>& serialized_values,
const string16& key_path) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_IDBKeysFromValuesAndKeyPath(
id, serialized_values, key_path));
return true;
}
bool UtilityProcessHost::StartBatchMode() {
CHECK(!is_batch_mode_);
is_batch_mode_ = StartProcess(FilePath());
Send(new UtilityMsg_BatchMode_Started());
return is_batch_mode_;
}
void UtilityProcessHost::EndBatchMode() {
CHECK(is_batch_mode_);
is_batch_mode_ = false;
Send(new UtilityMsg_BatchMode_Finished());
}
FilePath UtilityProcessHost::GetUtilityProcessCmd() {
return GetChildPath(true);
}
bool UtilityProcessHost::StartProcess(const FilePath& exposed_dir) {
if (is_batch_mode_)
return true;
// Name must be set or metrics_service will crash in any test which
// launches a UtilityProcessHost.
set_name(L"utility process");
if (!CreateChannel())
return false;
FilePath exe_path = GetUtilityProcessCmd();
if (exe_path.empty()) {
NOTREACHED() << "Unable to get utility process binary name.";
return false;
}
CommandLine* cmd_line = new CommandLine(exe_path);
cmd_line->AppendSwitchASCII(switches::kProcessType,
switches::kUtilityProcess);
cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id());
std::string locale = g_browser_process->GetApplicationLocale();
cmd_line->AppendSwitchASCII(switches::kLang, locale);
SetCrashReporterCommandLine(cmd_line);
const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
if (browser_command_line.HasSwitch(switches::kChromeFrame))
cmd_line->AppendSwitch(switches::kChromeFrame);
if (browser_command_line.HasSwitch(
switches::kEnableExperimentalExtensionApis)) {
cmd_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
}
#if defined(OS_POSIX)
// TODO(port): Sandbox this on Linux. Also, zygote this to work with
// Linux updating.
bool has_cmd_prefix = browser_command_line.HasSwitch(
switches::kUtilityCmdPrefix);
if (has_cmd_prefix) {
// launch the utility child process with some prefix (usually "xterm -e gdb
// --args").
cmd_line->PrependWrapper(browser_command_line.GetSwitchValueNative(
switches::kUtilityCmdPrefix));
}
cmd_line->AppendSwitchPath(switches::kUtilityProcessAllowedDir, exposed_dir);
#endif
Launch(
#if defined(OS_WIN)
exposed_dir,
#elif defined(OS_POSIX)
false,
base::environment_vector(),
#endif
cmd_line);
return true;
}
bool UtilityProcessHost::OnMessageReceived(const IPC::Message& message) {
BrowserThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnMessageReceived, message));
return true;
}
void UtilityProcessHost::OnProcessCrashed(int exit_code) {
BrowserThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnProcessCrashed, exit_code));
}
bool UtilityProcessHost::CanShutdown() {
return true;
}
bool UtilityProcessHost::Client::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(UtilityProcessHost, message)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackExtension_Succeeded,
Client::OnUnpackExtensionSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackExtension_Failed,
Client::OnUnpackExtensionFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackWebResource_Succeeded,
Client::OnUnpackWebResourceSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackWebResource_Failed,
Client::OnUnpackWebResourceFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Succeeded,
Client::OnParseUpdateManifestSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Failed,
Client::OnParseUpdateManifestFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Succeeded,
Client::OnDecodeImageSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Failed,
Client::OnDecodeImageFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Succeeded,
Client::OnIDBKeysFromValuesAndKeyPathSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Failed,
Client::OnIDBKeysFromValuesAndKeyPathFailed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP_EX()
return handled;
}
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