usr.sbin/atm/atmarpd/atmarp_log.c

   1 /*
   2  *
   3  * ===================================
   4  * HARP  |  Host ATM Research Platform
   5  * ===================================
   6  *
   7  *
   8  * This Host ATM Research Platform ("HARP") file (the "Software") is
   9  * made available by Network Computing Services, Inc. ("NetworkCS")
  10  * "AS IS".  NetworkCS does not provide maintenance, improvements or
  11  * support of any kind.
  12  *
  13  * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
  14  * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
  15  * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
  16  * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
  17  * In no event shall NetworkCS be responsible for any damages, including
  18  * but not limited to consequential damages, arising from or relating to
  19  * any use of the Software or related support.
  20  *
  21  * Copyright 1994-1998 Network Computing Services, Inc.
  22  *
  23  * Copies of this Software may be made, however, the above copyright
  24  * notice must be reproduced on all copies.
  25  *
  26  *      @(#) $FreeBSD: src/usr.sbin/atm/atmarpd/atmarp_log.c,v 1.3 1999/08/28 01:15:30 peter Exp $
  27  *      @(#) $DragonFly: src/usr.sbin/atm/atmarpd/atmarp_log.c,v 1.4 2007/11/25 01:28:23 swildner Exp $
  28  */
  29
  30
  31 /*
  32  * Server Cache Synchronization Protocol (SCSP) Support
  33  * ----------------------------------------------------
  34  *
  35  * SCSP-ATMARP server interface: logging routines
  36  *
  37  */
  38
  39 #include <sys/types.h>
  40 #include <sys/param.h>
  41 #include <sys/socket.h>
  42 #include <net/if.h>
  43 #include <netinet/in.h>
  44 #include <netatm/queue.h>
  45 #include <netatm/atm.h>
  46 #include <netatm/atm_if.h>
  47 #include <netatm/atm_sap.h>
  48 #include <netatm/atm_sys.h>
  49 #include <netatm/atm_ioctl.h>
  50
  51 #include <errno.h>
  52 #include <libatm.h>
  53 #if __STDC__
  54 #include <stdarg.h>
  55 #else
  56 #include <varargs.h>
  57 #endif
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <syslog.h>
  61
  62 #include "../scspd/scsp_msg.h"
  63 #include "../scspd/scsp_if.h"
  64 #include "../scspd/scsp_var.h"
  65 #include "atmarp_var.h"
  66
  67 /*
  68  * Write a message to atmarpd's log
  69  *
  70  * Arguments:
  71  *      level   the level (error, info, etc.) of the message
  72  *      fmt     printf-style format string
  73  *      ...     parameters for printf-style use according to fmt
  74  *
  75  * Returns:
  76  *      none
  77  *
  78  */
  79 void
  80 atmarp_log(const int level, const char *fmt, ...)
  81 {
  82         va_list ap;
  83
  84         va_start(ap, fmt);
  85
  86         /*
  87          * In debug mode, just write to stdout
  88          */
  89         if (atmarp_debug_mode) {
  90                 vprintf(fmt, ap);
  91                 printf("\n");
  92                 return;
  93         }
  94
  95         /*
  96          * Check whether we have a log file set up
  97          */
  98         if (!atmarp_log_file) {
  99                 /*
 100                  * Write to syslog
 101                  */
 102                 vsyslog(level, fmt, ap);
 103         } else {
 104                 /*
 105                  * Write to the log file
 106                  */
 107                 vfprintf(atmarp_log_file, fmt, ap);
 108                 fprintf(atmarp_log_file, "\n");
 109         }
 110
 111         va_end(ap);
 112 }
 113
 114
 115 /*
 116  * Log a memory error and exit
 117  *
 118  * Arguments:
 119  *      cp      message to log
 120  *
 121  * Returns:
 122  *      exits, does not return
 123  *
 124  */
 125 void
 126 atmarp_mem_err(char *cp)
 127 {
 128         atmarp_log(LOG_CRIT, "out of memory: %s", cp);
 129         exit(2);
 130 }