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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 "app/l10n_util.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/render_messages.h"
#include "ipc/ipc_switches.h"
UtilityProcessHost::UtilityProcessHost(ResourceDispatcherHost* rdh,
Client* client,
ChromeThread::ID client_thread_id)
: ChildProcessHost(UTILITY_PROCESS, rdh),
client_(client),
client_thread_id_(client_thread_id) {
}
UtilityProcessHost::~UtilityProcessHost() {
}
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;
}
FilePath UtilityProcessHost::GetUtilityProcessCmd() {
return GetChildPath();
}
bool UtilityProcessHost::StartProcess(const FilePath& exposed_dir) {
// 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->AppendSwitchWithValue(switches::kProcessType,
switches::kUtilityProcess);
cmd_line->AppendSwitchWithValue(switches::kProcessChannelID,
ASCIIToWide(channel_id()));
std::string locale = g_browser_process->GetApplicationLocale();
cmd_line->AppendSwitchWithValue(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 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.GetSwitchValue(
switches::kUtilityCmdPrefix));
}
cmd_line->AppendSwitchWithValue(switches::kUtilityProcessAllowedDir,
exposed_dir.value().c_str());
#endif
Launch(
#if defined(OS_WIN)
exposed_dir,
#elif defined(OS_POSIX)
base::environment_vector(),
#endif
cmd_line);
return true;
}
void UtilityProcessHost::OnMessageReceived(const IPC::Message& message) {
ChromeThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnMessageReceived, message));
}
void UtilityProcessHost::OnProcessCrashed() {
ChromeThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnProcessCrashed));
}
void UtilityProcessHost::Client::OnMessageReceived(
const IPC::Message& message) {
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_END_MESSAGE_MAP_EX()
}
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