src/stc-manager-plugin-exception.c

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 #include <dlfcn.h>
  18
  19 #include "stc-manager.h"
  20 #include "stc-manager-plugin-exception.h"
  21
  22 static gboolean stc_plugin_enabled = FALSE;
  23 static void *handle_plugin;
  24 static stc_plugin_exception_s *stc_plugin;
  25
  26 //LCOV_EXCL_START
  27 API int stc_plugin_exception_init(void)
  28 {
  29         __STC_LOG_FUNC_ENTER__;
  30
  31         handle_plugin = dlopen(STC_PLUGIN_EXCEPTION_FILEPATH, RTLD_NOW);
  32         if (!handle_plugin) {
  33                 STC_LOGE("Can't load %s: %s", STC_PLUGIN_EXCEPTION_FILEPATH, dlerror());
  34                 __STC_LOG_FUNC_EXIT__;
  35                 return STC_ERROR_UNINITIALIZED;
  36         }
  37
  38         stc_plugin = dlsym(handle_plugin, "stc_plugin_exception");
  39         if (!stc_plugin) {
  40                 STC_LOGE("Can't load symbol: %s", dlerror());
  41                 dlclose(handle_plugin);
  42                 __STC_LOG_FUNC_EXIT__;
  43                 return STC_ERROR_UNINITIALIZED;
  44         }
  45
  46         stc_plugin->initialize_plugin();
  47         stc_plugin_enabled = TRUE;
  48
  49         __STC_LOG_FUNC_EXIT__;
  50         return STC_ERROR_NONE;
  51 }
  52
  53 API int stc_plugin_exception_deinit(void)
  54 {
  55         __STC_LOG_FUNC_ENTER__;
  56
  57         if (!stc_plugin_enabled) {
  58                 __STC_LOG_FUNC_EXIT__;
  59                 return STC_ERROR_UNINITIALIZED;
  60         }
  61
  62         stc_plugin->deinitialize_plugin();
  63         stc_plugin_enabled = FALSE;
  64         dlclose(handle_plugin);
  65
  66         __STC_LOG_FUNC_EXIT__;
  67         return STC_ERROR_NONE;
  68 }
  69
  70 API int stc_plugin_fill_exception_list(void)
  71 {
  72         if (!stc_plugin_enabled) {
  73                 if (STC_DEBUG_LOG)
  74                         STC_LOGE("Plugin wasn't enabled");
  75                 return STC_ERROR_UNINITIALIZED;
  76         }
  77
  78         if (!stc_plugin) {
  79                 if (STC_DEBUG_LOG)
  80                         STC_LOGE("Plugin wasn't loaded");
  81                 return STC_ERROR_UNINITIALIZED;
  82         }
  83
  84         return stc_plugin->fill_exception_list();
  85 }
  86
  87 API int stc_plugin_update_exception_list(void)
  88 {
  89         if (!stc_plugin_enabled) {
  90                 if (STC_DEBUG_LOG)
  91                         STC_LOGE("Plugin wasn't enabled");
  92                 return STC_ERROR_UNINITIALIZED;
  93         }
  94
  95         if (!stc_plugin) {
  96                 if (STC_DEBUG_LOG)
  97                         STC_LOGE("Plugin wasn't loaded");
  98                 return STC_ERROR_UNINITIALIZED;
  99         }
 100
 101         return stc_plugin->update_exception_list();
 102 }
 103
 104 API int stc_plugin_check_exception_by_cmdline(char *cmdline)
 105 {
 106         if (!stc_plugin_enabled)
 107                 return STC_ERROR_UNINITIALIZED;
 108
 109         if (!stc_plugin)
 110                 return STC_ERROR_UNINITIALIZED;
 111
 112         return stc_plugin->check_exception_by_cmdline(cmdline);
 113 }
 114 //LCOV_EXCL_STOP