universe@103: /*
universe@103:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@103:  *
universe@259:  * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
universe@103:  *
universe@103:  * Redistribution and use in source and binary forms, with or without
universe@103:  * modification, are permitted provided that the following conditions are met:
universe@103:  *
universe@103:  *   1. Redistributions of source code must retain the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer.
universe@103:  *
universe@103:  *   2. Redistributions in binary form must reproduce the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer in the
universe@103:  *      documentation and/or other materials provided with the distribution.
universe@103:  *
universe@103:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@103:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@103:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@103:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@103:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@103:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@103:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@103:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@103:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@103:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@103:  * POSSIBILITY OF SUCH DAMAGE.
universe@103:  */
universe@103: 
universe@251: #include "ucx/logging.h"
universe@251: 
olaf@57: #include <stdlib.h>
universe@80: #include <string.h>
universe@81: #include <stdarg.h>
universe@82: #include <time.h>
olaf@57: 
universe@83: UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask) {
olaf@57:     UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger));
olaf@57:     if (logger != NULL) {
olaf@57:         logger->stream = stream;
universe@82:         logger->writer = (write_func)fwrite;
universe@95:         logger->dateformat = (char*) "%F %T %z ";
olaf@57:         logger->level = level;
universe@80:         logger->mask = mask;
universe@80:         logger->levels = ucx_map_new(8);
universe@80:         
universe@80:         unsigned int l;
universe@80:         l = UCX_LOGGER_ERROR;
universe@95:         ucx_map_int_put(logger->levels, l, (void*) "[ERROR]");
universe@80:         l = UCX_LOGGER_WARN;
universe@95:         ucx_map_int_put(logger->levels, l, (void*) "[WARNING]");
universe@80:         l = UCX_LOGGER_INFO;
universe@95:         ucx_map_int_put(logger->levels, l, (void*) "[INFO]");
universe@80:         l = UCX_LOGGER_TRACE;
universe@95:         ucx_map_int_put(logger->levels, l, (void*) "[TRACE]");
olaf@57:     }
olaf@57: 
olaf@57:     return logger;
olaf@57: }
olaf@57: 
universe@80: void ucx_logger_free(UcxLogger *logger) {
universe@80:     ucx_map_free(logger->levels);
universe@80:     free(logger);
universe@80: }
universe@80: 
universe@152: // estimated max. message length (documented)
universe@152: #define UCX_LOGGER_MSGMAX 4096
universe@152: 
universe@81: void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file,
universe@81:         const unsigned int line, const char *format, ...) {
olaf@57:     if (level <= logger->level) {
universe@152:         char msg[UCX_LOGGER_MSGMAX];
universe@81:         char *text;
universe@81:         size_t k = 0;
universe@81:         size_t n;
universe@80:         
universe@80:         if ((logger->mask & UCX_LOGGER_LEVEL) > 0) {
universe@81:             text = (char*) ucx_map_int_get(logger->levels, level);
universe@81:             n = strlen(text);
universe@171:             n = n > 256 ? 256 : n;
universe@81:             memcpy(msg+k, text, n);
universe@81:             k += n;
universe@81:             msg[k++] = ' ';
universe@80:         }
universe@82:         if ((logger->mask & UCX_LOGGER_TIMESTAMP) > 0) {
universe@82:             time_t now = time(NULL);
universe@82:             k += strftime(msg+k, 128, logger->dateformat, localtime(&now));
universe@82:         }
universe@80:         if ((logger->mask & UCX_LOGGER_SOURCE) > 0) {
universe@81:             n = strlen(file);
universe@81:             memcpy(msg+k, file, n);
universe@81:             k += n;
universe@171:             k += sprintf(msg+k, ":%u ", line);
universe@80:         }
universe@80:         
universe@81:         msg[k++] = '-'; msg[k++] = ' ';
universe@81:         
universe@81:         va_list args;
universe@81:         va_start (args, format);
universe@152:         k += vsnprintf(msg+k, UCX_LOGGER_MSGMAX-k-1, format, args);
universe@81:         va_end (args);        
universe@81:         
universe@80:         msg[k++] = '\n';
universe@80:         
universe@81:         logger->writer(msg, 1, k, logger->stream);
olaf@57:     }
olaf@57: }