112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/*
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* report.c
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* This file is part of LCDd, the lcdproc server.
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*
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* This file is released under the GNU General Public License. Refer to the
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* COPYING file distributed with this package.
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*
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* Copyright (c) 1999, William Ferrell, Scott Scriven
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* 2001, Joris Robijn
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*
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*
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* Contains reporting functions
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*
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*/
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#include <stdlib.h>
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#include "report.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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int report_level = RPT_INFO;
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int report_dest = RPT_DEST_STORE;
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#define MAX_STORED_MSGS 200
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static char *stored_msgs[MAX_STORED_MSGS];
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static int stored_levels[MAX_STORED_MSGS];
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static int num_stored_msgs = 0;
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// local functions
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static void store_report_message( int level, const char *message );
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static void flush_messages();
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void report( const int level, const char *format, .../*args*/ )
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{
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// Check if we should report it
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if( level <= report_level || report_dest == RPT_DEST_STORE ) {
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char buf[1024];
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// Following functions appear to work on RedHat and Debian
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// Linux, FreeBSD and Solaris
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va_list ap;
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va_start(ap, format); /* measure the required size (the number of elements of format) */
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switch( report_dest ) {
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case RPT_DEST_STDERR:
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vfprintf( stderr, format, ap );
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fprintf( stderr, "\n" );
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break;
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case RPT_DEST_SYSLOG:
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vsyslog( LOG_USER|(level+2), format, ap );
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break;
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case RPT_DEST_STORE:
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vsnprintf( buf, sizeof(buf), format, ap );
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buf[sizeof(buf)-1] = 0; // be sure to have a terminating 0
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store_report_message( level, buf );
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break;
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}
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va_end(ap);
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}
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}
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int set_reporting( int new_level, int new_dest )
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{
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if( new_level < RPT_CRIT || new_level > RPT_DEBUG ) {
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report( RPT_ERR, "debug level invalid: %d", new_level );
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return -1;
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}
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if( report_dest != RPT_DEST_SYSLOG && new_dest == RPT_DEST_SYSLOG ) {
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openlog( "LCDd", 0, LOG_USER );
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}
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else if( report_dest == RPT_DEST_SYSLOG && new_dest != RPT_DEST_SYSLOG ) {
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closelog();
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}
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report_level = new_level;
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report_dest = new_dest;
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if( report_dest != RPT_DEST_STORE )
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flush_messages();
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return 0;
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}
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static void store_report_message( int level, const char *message )
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{
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stored_msgs[num_stored_msgs] = malloc(strlen( message )+1);
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strcpy( stored_msgs[num_stored_msgs], message );
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stored_levels[num_stored_msgs] = level;
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num_stored_msgs ++;
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}
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static void flush_messages()
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{
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int i;
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for( i=0; i<num_stored_msgs; i++ ) {
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report( stored_levels[i], "%s", stored_msgs[i] );
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free( stored_msgs[i] );
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}
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num_stored_msgs = 0;
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}
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