ucx: ucx/logging.c@86a23238d8a1 (annotated)

ucx/logging.c@86a23238d8a1 (annotated)

ucx/logging.c

Fri, 08 Feb 2013 10:37:24 +0100

author: Mike Becker <universe@uap-core.de>
date: Fri, 08 Feb 2013 10:37:24 +0100
changeset 81: 86a23238d8a1
parent 80: 0125e4089f88
child 82: 6068d965328b
permissions: -rw-r--r--

changed logger to behave more like printf + added possibility to specify write function

 #include "logging.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
 UcxLogger *ucx_logger_new(FILE *stream, unsigned int level, unsigned int mask) {
     UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger));
     if (logger != NULL) {
         logger->stream = stream;
         logger->writer = fwrite;
         logger->level = level;
         logger->mask = mask;
         logger->levels = ucx_map_new(8);
         unsigned int l;
         l = UCX_LOGGER_ERROR;
         ucx_map_int_put(logger->levels, l, "[ERROR]");
         l = UCX_LOGGER_WARN;
         ucx_map_int_put(logger->levels, l, "[WARNING]");
         l = UCX_LOGGER_INFO;
         ucx_map_int_put(logger->levels, l, "[INFO]");
         l = UCX_LOGGER_TRACE;
         ucx_map_int_put(logger->levels, l, "[TRACE]");
     }
     return logger;
 }
 void ucx_logger_free(UcxLogger *logger) {
     ucx_map_free(logger->levels);
     free(logger);
 }
 void ucx_logger_setoutput(UcxLogger *logger, FILE *stream,
         size_t(*writer)(const void*,size_t,size_t,FILE*)) {
     if (stream) {
         logger->stream = stream;
     }
     if (writer) {
         logger->writer = writer;
     }
 }
 void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file,
         const unsigned int line, const char *format, ...) {
     if (level <= logger->level) {
         const size_t max = 4096; // estimated maximum message length
         char msg[max];
         char *text;
         size_t k = 0;
         size_t n;
         if ((logger->mask & UCX_LOGGER_LEVEL) > 0) {
             text = (char*) ucx_map_int_get(logger->levels, level);
             n = strlen(text);
             memcpy(msg+k, text, n);
             k += n;
             msg[k++] = ' ';
         }
         // TODO: timestamp
         if ((logger->mask & UCX_LOGGER_SOURCE) > 0) {
             n = strlen(file);
             memcpy(msg+k, file, n);
             k += n;
             k += sprintf(msg+k, ":%d ", line);
         }
         msg[k++] = '-'; msg[k++] = ' ';
         va_list args;
         va_start (args, format);
         k += vsnprintf(msg+k, max-k-1, format, args);
         va_end (args);
         msg[k++] = '\n';
         logger->writer(msg, 1, k, logger->stream);
         fflush(logger->stream);
     }
 }

Mercurial > hg > ucx / annotate

ucx/logging.c@86a23238d8a1 (annotated)

ucx/logging.c