87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
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/*
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logging.c -- log messages to e.g. syslog
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Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.warande.net>,
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2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: logging.c,v 1.1 2002/04/13 10:25:38 zarq Exp $
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <avl_tree.h>
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#include "logging.h"
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avl_tree_t *log_hooks_tree = NULL;
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int debug_lvl = 0;
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int log_compare(const void *a, const void *b)
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{
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if(a < b)
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return -1;
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if(a > b)
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return 1;
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return 0;
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}
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void log_message(int level, int priority, char *fmt, ...)
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{
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avl_node_t *avlnode;
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va_list args;
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va_start(args, fmt);
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for(avlnode = log_hooks_tree->head; avlnode; avlnode = avlnode->next)
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{
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assert(avlnode->data);
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((log_function_t*)(avlnode->data))(level, priority, fmt, args);
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}
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va_end(args);
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}
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void log_add_hook(log_function_t *fn)
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{
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if(!log_hooks_tree)
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log_hooks_tree = avl_alloc_tree(log_compare, NULL);
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avl_insert(log_hooks_tree, (void*)fn);
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}
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void log_del_hook(log_function_t *fn)
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{
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avl_delete(log_hooks_tree, (void*)fn);
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}
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void log_default(int level, int priority, char *fmt, va_list ap)
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{
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if(debug_lvl >= level)
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vfprintf(stderr, fmt, ap);
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}
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void log_syslog(int level, int priority, char *fmt, va_list ap)
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{
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int priorities[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE, LOG_ERR, LOG_CRIT };
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if(debug_lvl >= level)
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vsyslog(priorities[priority], fmt, ap);
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}
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