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