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 1.3 2003/11/15 21:33:42 eirikn 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 <syslog.h>
  60
  61 #include "../scspd/scsp_msg.h"
  62 #include "../scspd/scsp_if.h"
  63 #include "../scspd/scsp_var.h"
  64 #include "atmarp_var.h"
  65
  66 /*
  67  * Write a message to atmarpd's log
  68  *
  69  * Arguments:
  70  *      level   the level (error, info, etc.) of the message
  71  *      fmt     printf-style format string
  72  *      ...     parameters for printf-style use according to fmt
  73  *
  74  * Returns:
  75  *      none
  76  *
  77  */
  78 void
  79 atmarp_log(const int level, const char *fmt, ...)
  80 {
  81         va_list ap;
  82
  83         va_start(ap, fmt);
  84
  85         /*
  86          * In debug mode, just write to stdout
  87          */
  88         if (atmarp_debug_mode) {
  89                 vprintf(fmt, ap);
  90                 printf("\n");
  91                 return;
  92         }
  93
  94         /*
  95          * Check whether we have a log file set up
  96          */
  97         if (!atmarp_log_file) {
  98                 /*
  99                  * Write to syslog
 100                  */
 101                 vsyslog(level, fmt, ap);
 102         } else {
 103                 /*
 104                  * Write to the log file
 105                  */
 106                 vfprintf(atmarp_log_file, fmt, ap);
 107                 fprintf(atmarp_log_file, "\n");
 108         }
 109
 110         va_end(ap);
 111 }
 112
 113
 114 /*
 115  * Log a memory error and exit
 116  *
 117  * Arguments:
 118  *      cp      message to log
 119  *
 120  * Returns:
 121  *      exits, does not return
 122  *
 123  */
 124 void
 125 atmarp_mem_err(char *cp)
 126 {
 127         atmarp_log(LOG_CRIT, "out of memory: %s", cp);
 128         exit(2);
 129 }