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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/common/service_process_util.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_version_info.h"
namespace {
// Gets the name of the lock file for service process.
FilePath GetServiceProcessLockFilePath() {
FilePath user_data_dir;
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
chrome::VersionInfo version_info;
std::string lock_file_name = version_info.Version() + "Service Process Lock";
return user_data_dir.Append(lock_file_name);
}
} // namespace
bool ForceServiceProcessShutdown(const std::string& version) {
NOTIMPLEMENTED();
return false;
}
bool CheckServiceProcessReady() {
const FilePath path = GetServiceProcessLockFilePath();
return file_util::PathExists(path);
}
struct ServiceProcessState::StateData {
// No state yet for Posix.
};
bool ServiceProcessState::TakeSingletonLock() {
// TODO(sanjeevr): Implement singleton mechanism for POSIX.
NOTIMPLEMENTED();
return true;
}
void ServiceProcessState::SignalReady(Task* shutdown_task) {
// TODO(hclam): Implement better mechanism for these platform.
// Also we need to save shutdown task. For now we just delete the shutdown
// task because we have not way to listen for shutdown requests.
delete shutdown_task;
const FilePath path = GetServiceProcessLockFilePath();
FILE* file = file_util::OpenFile(path, "wb+");
if (!file)
return;
VLOG(1) << "Created Service Process lock file: " << path.value();
file_util::TruncateFile(file) && file_util::CloseFile(file);
}
void ServiceProcessState::SignalStopped() {
const FilePath path = GetServiceProcessLockFilePath();
file_util::Delete(path, false);
shared_mem_service_data_.reset();
}
bool ServiceProcessState::AddToAutoRun() {
NOTIMPLEMENTED();
return false;
}
bool ServiceProcessState::RemoveFromAutoRun() {
NOTIMPLEMENTED();
return false;
}
void ServiceProcessState::TearDownState() {
}
bool ServiceProcessState::ShouldHandleOtherVersion() {
// On POSIX, the shared memory is a file in disk. We may have a stale file
// lying around from a previous run. So the check is not reliable.
return false;
}
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