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00019 #include <memory>
00020
00021 #include <stdlib.h>
00022 #include <stdio.h>
00023 #include <string.h>
00024 #include <errno.h>
00025 #include <stdarg.h>
00026
00027
00028 #include "LOW_helper_msglog.h"
00029 #include "LOW_platformMisc.h"
00030 #include "LOW_semaphoreSetFactory.h"
00031 #include "LOW_IPCKeyGeneratorFactory.h"
00032 #include "LOW_IPCKeyGenerator.h"
00033
00034
00035
00036
00037
00038
00039
00040 bool LOW_helper_msglog::errorOccured = false;
00041 bool LOW_helper_msglog::debugLevels[all_dl];
00042
00043 bool LOW_helper_msglog::useStdMsgStream = true;
00044 bool LOW_helper_msglog::useStdWarnStream = true;
00045 bool LOW_helper_msglog::useStdErrStream = true;
00046 bool LOW_helper_msglog::useStdDebugStream = true;
00047 bool LOW_helper_msglog::useExtraMsgStream = false;
00048 bool LOW_helper_msglog::useExtraWarnStream = false;
00049 bool LOW_helper_msglog::useExtraErrStream = false;
00050 bool LOW_helper_msglog::useExtraDebugStream = false;
00051
00052 FILE* LOW_helper_msglog::stdOutStream = stdout;
00053 FILE* LOW_helper_msglog::stdWarnStream = stderr;
00054 FILE* LOW_helper_msglog::stdErrStream = stderr;
00055 FILE* LOW_helper_msglog::stdDebugStream = stderr;
00056 FILE* LOW_helper_msglog::extraOutStream = NULL;
00057 FILE* LOW_helper_msglog::extraWarnStream = NULL;
00058 FILE* LOW_helper_msglog::extraErrStream = NULL;
00059 FILE* LOW_helper_msglog::extraDebugStream = NULL;
00060
00061
00062
00063
00064
00065
00066
00067 void LOW_helper_msglog::enableDebugLevel( const debugLevel_t inLevel, const bool isEnabled)
00068 {
00069 debugLevels[inLevel] = isEnabled;
00070 }
00071
00072
00073
00074
00075
00076
00077
00078
00079
00080
00081 void LOW_helper_msglog::printPerror( const int inErrno, const char *inFormat, ...)
00082 {
00083 va_list inParamList;
00084 int length = 0;
00085 char dummy;
00086 char *buffer;
00087
00088
00089 va_start( inParamList, inFormat);
00090 length += vsnprintf( &dummy, 0, inFormat, inParamList);
00091 va_end( inParamList);
00092 length += strlen( ": ");
00093 length += strlen( sys_errlist[inErrno]);
00094 length ++;
00095
00096 buffer = (char*) callocCheck( length);
00097
00098 va_start( inParamList, inFormat);
00099 vsprintf( buffer, inFormat, inParamList);
00100 va_end( inParamList);
00101 if ( inErrno < sys_nerr-1 ) {
00102 strcat( buffer, ": ");
00103 strcat( buffer, sys_errlist[inErrno]);
00104 }
00105
00106 printError( "%s", buffer);
00107
00108 free( buffer);
00109 }
00110
00111
00112
00113
00114
00115 void LOW_helper_msglog::printError( const char *inFormat, ...)
00116 {
00117 va_list inParamList;
00118
00119 va_start( inParamList, inFormat);
00120 va_printToLog( err_log, inFormat, inParamList);
00121 va_end( inParamList);
00122 }
00123
00124
00125
00126
00127
00128 void LOW_helper_msglog::printWarning( const char *inFormat, ...)
00129 {
00130 va_list inParamList;
00131
00132 va_start( inParamList, inFormat);
00133 va_printToLog( warn_log, inFormat, inParamList);
00134 va_end( inParamList);
00135 }
00136
00137
00138
00139
00140
00141 void LOW_helper_msglog::printMessage( const char *inFormat, ...)
00142 {
00143 va_list inParamList;
00144
00145 va_start( inParamList, inFormat);
00146 va_printToLog( msg_log, inFormat, inParamList);
00147 va_end( inParamList);
00148 }
00149
00150
00151
00152
00153
00154 void LOW_helper_msglog::printDebug( const debugLevel_t inLevel, const char *inFormat, ...)
00155 {
00156 va_list inParamList;
00157
00158 if ( debugLevels[inLevel] || debugLevels[all_dl] ) {
00159 va_start( inParamList, inFormat);
00160 va_printToLog( debug_log, inFormat, inParamList);
00161 va_end( inParamList);
00162 }
00163 }
00164
00165
00166
00167
00168
00169
00170
00171
00172 LOW_semaphoreSet* LOW_helper_msglog::msgLock::semSet = LOW_helper_msglog::msgLock::semaphoreInit();
00173
00174
00175 LOW_helper_msglog::msgLock::msgLock()
00176 {
00177 semSet->decSem( 0);
00178 }
00179
00180
00181 LOW_helper_msglog::msgLock::~msgLock()
00182 {
00183 semSet->incSem( 0);
00184 }
00185
00186
00187 LOW_semaphoreSet* LOW_helper_msglog::msgLock::semaphoreInit()
00188 {
00189 auto_ptr<LOW_IPCKeyGenerator> keyGenerator (LOW_IPCKeyGeneratorFactory::new_IPCKeyGenerator());
00190 return LOW_semaphoreSetFactory::new_semaphoreSet( keyGenerator->getSemSetKey( "/dev/stdout"), 1, 1);
00191 };
00192
00193
00194
00195
00196
00197
00198
00199
00200
00201 void LOW_helper_msglog::va_printToLog( const logType_t inLogType, const char *inFormat, va_list inParamList)
00202 {
00203 FILE *extraStream = 0, *stdStream = 0;
00204 char dummy, *buffer, *indentStr, *tmpPtr;
00205 int headLen, length;
00206
00207 msgLock lock = msgLock();
00208
00209 switch ( inLogType ) {
00210 case msg_log:
00211 stdStream = useStdMsgStream ? stdOutStream : NULL;
00212 extraStream = useExtraMsgStream ? extraOutStream : NULL;
00213 break;
00214 case warn_log:
00215 stdStream = useStdWarnStream ? stdWarnStream : NULL;
00216 extraStream = useExtraWarnStream ? extraWarnStream : NULL;
00217 break;
00218 case err_log:
00219 stdStream = useStdErrStream ? stdErrStream : NULL;
00220 extraStream = useExtraErrStream ? extraErrStream : NULL;
00221 break;
00222 case debug_log:
00223 stdStream = useStdDebugStream ? stdDebugStream : NULL;
00224 extraStream = useExtraDebugStream ? extraDebugStream : NULL;
00225 break;
00226 }
00227
00228 headLen = fprintLogHeader( extraStream, stdStream);
00229
00230
00231 indentStr = (char*) callocCheck( headLen+1);
00232 memset( indentStr, ' ', headLen);
00233 indentStr[headLen] = '\0';
00234
00235 if ( inLogType==err_log )
00236 fprintfMulti( extraStream, stdStream, "ERROR -- ");
00237
00238 if ( inLogType==debug_log )
00239 fprintfMulti( extraStream, stdStream, "DEBUG -- ");
00240
00241
00242 length = vsnprintf( &dummy, 0, inFormat, inParamList);
00243 buffer = (char*) callocCheck( length+1);
00244
00245 vsprintf( buffer, inFormat, inParamList);
00246 tmpPtr = strtok( buffer, "\n");
00247 fprintfMulti( extraStream, stdStream, "%s\n", tmpPtr);
00248 while( (tmpPtr=strtok( NULL, "\n")) != NULL ) {
00249 fprintfMulti( extraStream, stdStream, "%s%s\n", indentStr, tmpPtr);
00250 }
00251
00252 free( buffer);
00253 free( indentStr);
00254 }
00255
00256
00257 unsigned int LOW_helper_msglog::fprintLogHeader( FILE *inExtraStream, FILE *inStdStream)
00258 {
00259 char tmpStr[200];
00260 time_t curtime;
00261 struct tm *loctime;
00262
00263 curtime = time( NULL);
00264 loctime = localtime( &curtime);
00265 strftime( tmpStr, 200, "%a %Y/%m/%d %T", loctime);
00266 fprintfMulti( inExtraStream, inStdStream, "%s [%d]: ", tmpStr, LOW_platformMisc::getThreadID());
00267 return( strlen( tmpStr));
00268 }
00269
00270
00271 void LOW_helper_msglog::fprintfMulti( FILE *inExtraStream, FILE *inStdStream, const char *inFormat, ...)
00272 {
00273 va_list inParamList;
00274 va_start( inParamList, inFormat);
00275 vfprintfMulti( inExtraStream, inStdStream, inFormat, inParamList);
00276 va_end( inParamList);
00277 }
00278
00279
00280 void LOW_helper_msglog::vfprintfMulti( FILE *inExtraStream, FILE *inStdStream, const char *inFormat, va_list inAp)
00281 {
00282 if ( inExtraStream ) vfprintf( inExtraStream, inFormat, inAp);
00283 if ( inStdStream ) vfprintf( inStdStream, inFormat, inAp);
00284 }
00285
00286
00287 void* LOW_helper_msglog::callocCheck( const size_t inSize)
00288 {
00289 void* retPtr;
00290
00291 if ( (retPtr=calloc( 1, inSize)) == NULL ) {
00292 LOW_helper_msglog::printPerror( errno, "Error in LOW_helper_msglog::callocCheck()");
00293 std::terminate();
00294 }
00295
00296 return retPtr;
00297 }