winpr/libwinpr/utils/wlog/Appender.c

   1 /**
   2  * WinPR: Windows Portable Runtime
   3  * WinPR Logger
   4  *
   5  * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "Appender.h"
  25
  26 void WLog_Appender_Free(wLog* log, wLogAppender* appender)
  27 {
  28         if (!appender)
  29                 return;
  30
  31         if (appender->Layout)
  32         {
  33                 WLog_Layout_Free(log, appender->Layout);
  34                 appender->Layout = NULL;
  35         }
  36
  37         DeleteCriticalSection(&appender->lock);
  38         appender->Free(appender);
  39 }
  40
  41 wLogAppender* WLog_GetLogAppender(wLog* log)
  42 {
  43         if (!log)
  44                 return NULL;
  45
  46         if (!log->Appender)
  47                 return WLog_GetLogAppender(log->Parent);
  48
  49         return log->Appender;
  50 }
  51
  52 BOOL WLog_OpenAppender(wLog* log)
  53 {
  54         int status = 0;
  55         wLogAppender* appender;
  56
  57         appender = WLog_GetLogAppender(log);
  58
  59         if (!appender)
  60                 return FALSE;
  61
  62         if (!appender->Open)
  63                 return TRUE;
  64
  65         if (!appender->State)
  66         {
  67                 status = appender->Open(log, appender);
  68                 appender->State = 1;
  69         }
  70
  71         return status;
  72 }
  73
  74 BOOL WLog_CloseAppender(wLog* log)
  75 {
  76         int status = 0;
  77         wLogAppender* appender;
  78
  79         appender = WLog_GetLogAppender(log);
  80
  81         if (!appender)
  82                 return FALSE;
  83
  84         if (!appender->Close)
  85                 return TRUE;
  86
  87         if (appender->State)
  88         {
  89                 status = appender->Close(log, appender);
  90                 appender->State = 0;
  91         }
  92
  93         return status;
  94 }
  95
  96 wLogAppender* WLog_Appender_New(wLog* log, DWORD logAppenderType)
  97 {
  98         wLogAppender* appender;
  99
 100         if (!log)
 101                 return NULL;
 102
 103         switch (logAppenderType)
 104         {
 105         case WLOG_APPENDER_CONSOLE:
 106                 appender = WLog_ConsoleAppender_New(log);
 107                 break;
 108         case WLOG_APPENDER_FILE:
 109                 appender = WLog_FileAppender_New(log);
 110                 break;
 111         case WLOG_APPENDER_BINARY:
 112                 appender = WLog_BinaryAppender_New(log);
 113                 break;
 114         case WLOG_APPENDER_CALLBACK:
 115                 appender = WLog_CallbackAppender_New(log);
 116                 break;
 117 #ifdef HAVE_SYSLOG_H
 118         case WLOG_APPENDER_SYSLOG:
 119                 appender = WLog_SyslogAppender_New(log);
 120                 break;
 121 #endif
 122 #ifdef HAVE_JOURNALD_H
 123         case WLOG_APPENDER_JOURNALD:
 124                 appender = WLog_JournaldAppender_New(log);
 125                 break;
 126 #endif
 127         case WLOG_APPENDER_UDP:
 128                 appender = (wLogAppender*) WLog_UdpAppender_New(log);
 129                 break;
 130         default:
 131                 fprintf(stderr, "%s: unknown handler type %d\n", __FUNCTION__, logAppenderType);
 132                 appender = NULL;
 133                 break;
 134         }
 135
 136         if (!appender)
 137                 appender = (wLogAppender*) WLog_ConsoleAppender_New(log);
 138
 139         if (!appender)
 140                 return NULL;
 141
 142         if (!(appender->Layout = WLog_Layout_New(log)))
 143         {
 144                 WLog_Appender_Free(log, appender);
 145                 return NULL;
 146         }
 147
 148         InitializeCriticalSectionAndSpinCount(&appender->lock, 4000);
 149
 150         return appender;
 151 }
 152
 153 BOOL WLog_SetLogAppenderType(wLog* log, DWORD logAppenderType)
 154 {
 155         if (!log)
 156                 return FALSE;
 157
 158         if (log->Appender)
 159         {
 160                 WLog_Appender_Free(log, log->Appender);
 161                 log->Appender = NULL;
 162         }
 163
 164         log->Appender = WLog_Appender_New(log, logAppenderType);
 165         return log->Appender != NULL;
 166 }
 167
 168 BOOL WLog_ConfigureAppender(wLogAppender *appender, const char *setting, void *value)
 169 {
 170         if (!appender || !setting || !strlen(setting))
 171                 return FALSE;
 172
 173         if (appender->Set)
 174                 return appender->Set(appender, setting, value);
 175         else
 176                 return FALSE;
 177
 178 }