/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2016 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "logging.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask) {
UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger));
if (logger != NULL) {
logger->stream = stream;
logger->writer = (write_func)fwrite;
logger->dateformat = (char*) "%F %T %z ";
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, (void*) "[ERROR]");
l = UCX_LOGGER_WARN;
ucx_map_int_put(logger->levels, l, (void*) "[WARNING]");
l = UCX_LOGGER_INFO;
ucx_map_int_put(logger->levels, l, (void*) "[INFO]");
l = UCX_LOGGER_TRACE;
ucx_map_int_put(logger->levels, l, (void*) "[TRACE]");
}
return logger;
}
void ucx_logger_free(UcxLogger *logger) {
ucx_map_free(logger->levels);
free(logger);
}
// estimated max. message length (documented)
#define UCX_LOGGER_MSGMAX 4096
void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file,
const unsigned int line, const char *format, ...) {
if (level <= logger->level) {
char msg[UCX_LOGGER_MSGMAX];
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);
n = n > 256 ? 256 : n;
memcpy(msg+k, text, n);
k += n;
msg[k++] = ' ';
}
if ((logger->mask & UCX_LOGGER_TIMESTAMP) > 0) {
time_t now = time(NULL);
k += strftime(msg+k, 128, logger->dateformat, localtime(&now));
}
if ((logger->mask & UCX_LOGGER_SOURCE) > 0) {
n = strlen(file);
memcpy(msg+k, file, n);
k += n;
k += sprintf(msg+k, ":%u ", line);
}
msg[k++] = '-'; msg[k++] = ' ';
va_list args;
va_start (args, format);
k += vsnprintf(msg+k, UCX_LOGGER_MSGMAX-k-1, format, args);
va_end (args);
msg[k++] = '\n';
logger->writer(msg, 1, k, logger->stream);
}
}