2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * @file plugin-utils.cpp
20 * @brief Header file for plugin util
23 #include "plugin_utils.h"
24 #include <dpl/semaphore.h>
25 #include <dpl/exception.h>
26 #include <dpl/log/log.h>
27 #include <dpl/wrt-dao-ro/global_config.h>
29 using namespace WrtDB;
31 namespace PluginUtils {
32 const char PLUGIN_INSTALL_SEMAPHORE[] = "/.wrt_plugin_install_lock";
34 bool lockPluginInstallation()
37 DPL::Semaphore lock(PLUGIN_INSTALL_SEMAPHORE);
40 Catch(DPL::Semaphore::Exception::CreateFailed){
44 Catch(DPL::Semaphore::Exception::Base){
49 bool unlockPluginInstallation()
52 DPL::Semaphore::Remove(PLUGIN_INSTALL_SEMAPHORE);
55 Catch(DPL::Semaphore::Exception::Base){
60 bool checkPluginInstallationRequired()
62 std::string installRequest =
63 std::string(GlobalConfig::GetPluginInstallInitializerName());
65 FileState::Type installationRequest =
66 checkFile(installRequest);
68 switch (installationRequest) {
69 case FileState::FILE_EXISTS:
71 case FileState::FILE_NOT_EXISTS:
74 LogWarning("Opening installation request file failed");
79 bool removeInstallationRequiredFlag()
81 std::string installRequest =
82 std::string(GlobalConfig::GetPluginInstallInitializerName());
84 return removeFile(installRequest);
87 //checks if file exists and is regular file
88 FileState::Type checkFile(const std::string& filename)
92 if (-1 == stat(filename.c_str(), &tmp)) {
93 if (ENOENT == errno) {
94 return FileState::FILE_NOT_EXISTS;
96 return FileState::FILE_READ_DATA_ERROR;
97 } else if (!S_ISREG(tmp.st_mode)) {
98 return FileState::FILE_EXISTS_NOT_REGULAR;
100 return FileState::FILE_EXISTS;
103 bool removeFile(const std::string& filename)
105 if (0 != unlink(filename.c_str())) {
111 } //namespace PluginUtils