mirror of
https://github.com/morgan9e/UxPlay
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118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/**
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* Copyright (C) 2011-2012 Juho Vähä-Herttua
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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*===============================================================
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* modified by fduncanh 2023-25
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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#include "logger.h"
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#include "compat.h"
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struct logger_s {
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mutex_handle_t lvl_mutex;
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mutex_handle_t cb_mutex;
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int level;
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void *cls;
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logger_callback_t callback;
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};
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logger_t *
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logger_init()
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{
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logger_t *logger = calloc(1, sizeof(logger_t));
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assert(logger);
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MUTEX_CREATE(logger->lvl_mutex);
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MUTEX_CREATE(logger->cb_mutex);
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logger->level = LOGGER_WARNING;
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logger->callback = NULL;
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return logger;
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}
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void
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logger_destroy(logger_t *logger)
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{
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MUTEX_DESTROY(logger->lvl_mutex);
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MUTEX_DESTROY(logger->cb_mutex);
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free(logger);
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}
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void
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logger_set_level(logger_t *logger, int level)
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{
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assert(logger);
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MUTEX_LOCK(logger->lvl_mutex);
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logger->level = level;
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MUTEX_UNLOCK(logger->lvl_mutex);
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}
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int
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logger_get_level(logger_t *logger)
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{
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assert(logger);
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MUTEX_LOCK(logger->lvl_mutex);
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int level = logger->level;
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MUTEX_UNLOCK(logger->lvl_mutex);
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return level;
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}
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void
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logger_set_callback(logger_t *logger, logger_callback_t callback, void *cls)
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{
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assert(logger);
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MUTEX_LOCK(logger->cb_mutex);
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logger->cls = cls;
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logger->callback = callback;
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MUTEX_UNLOCK(logger->cb_mutex);
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}
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void
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logger_log(logger_t *logger, int level, const char *fmt, ...)
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{
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MUTEX_LOCK(logger->lvl_mutex);
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if (level > logger->level) {
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MUTEX_UNLOCK(logger->lvl_mutex);
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return;
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}
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MUTEX_UNLOCK(logger->lvl_mutex);
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char buffer[4096] = {0};
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char err_fmt[] = "---logger message is truncated from %d to %d chars---\n";
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char err_buf[128] = {0};
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va_list ap;
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va_start(ap, fmt);
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int message_len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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if (message_len >= (int) sizeof(buffer)) {
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snprintf(err_buf, sizeof(err_buf), err_fmt, message_len, (int) sizeof(buffer) -1);
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}
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MUTEX_LOCK(logger->cb_mutex);
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assert (logger->callback);
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logger->callback(logger->cls, level, buffer);
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if (err_buf[0]) {
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logger->callback(logger->cls, level, err_buf);
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}
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MUTEX_UNLOCK(logger->cb_mutex);
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}
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