266 lines
4.7 KiB
C
266 lines
4.7 KiB
C
/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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* @(#) $Id: scsp_log.c,v 1.1 1998/09/15 08:23:16 phk Exp $
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*
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*/
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/*
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* Server Cache Synchronization Protocol (SCSP) Support
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* ----------------------------------------------------
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*
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* SCSP logging routines
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*
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netatm/port.h>
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#include <netatm/queue.h>
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#include <netatm/atm.h>
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#include <netatm/atm_if.h>
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#include <netatm/atm_sap.h>
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#include <netatm/atm_sys.h>
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#include <netatm/atm_ioctl.h>
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#include <errno.h>
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#include <libatm.h>
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "scsp_msg.h"
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#include "scsp_if.h"
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#include "scsp_var.h"
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#ifndef lint
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__RCSID("@(#) $Id: scsp_log.c,v 1.1 1998/09/15 08:23:16 phk Exp $");
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#endif
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/*
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* Global variables
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*/
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FILE *scsp_trace_file = (FILE *)0;
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/*
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* Write a message to SCSP's log
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*
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* Arguments:
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* level pointer to an SCSP cache key structure
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* fmt printf-style format string
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* ... parameters for printf-style use according to fmt
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*
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* Returns:
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* none
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*
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*/
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void
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#if __STDC__
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scsp_log(const int level, const char *fmt, ...)
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#else
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scsp_log(level, fmt, va_alist)
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int level;
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char *fmt;
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va_dcl
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#endif
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{
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va_list ap;
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#if __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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/*
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* In debug mode, just write to stdout
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*/
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if (scsp_debug_mode) {
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vprintf(fmt, ap);
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printf("\n");
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return;
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}
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/*
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* Write to syslog if it's active or if no log file is set up
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*/
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if (scsp_log_syslog || !scsp_log_file) {
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vsyslog(level, fmt, ap);
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}
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/*
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* Write to the log file if there's one set up
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*/
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if (scsp_log_file) {
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vfprintf(scsp_log_file, fmt, ap);
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fprintf(scsp_log_file, "\n");
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}
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va_end(ap);
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}
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/*
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* Open SCSP's trace file
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*
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* Arguments:
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* none
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*
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* Returns:
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* none
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*
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*/
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void
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scsp_open_trace()
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{
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char fname[64];
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/*
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* Build a file name
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*/
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UM_ZERO(fname, sizeof(fname));
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sprintf(fname, "/tmp/scspd.%d.trace", getpid());
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/*
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* Open the trace file. If the open fails, log an error, but
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* keep going. The trace routine will notice that the file
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* isn't open and won't try to write to it.
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*/
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scsp_trace_file = fopen(fname, "w");
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if (scsp_trace_file == (FILE *)0) {
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scsp_log(LOG_ERR, "Can't open trace file");
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}
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}
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/*
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* Write a message to SCSP's trace file
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*
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* Arguments:
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* fmt printf-style format string
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* ... parameters for printf-style use according to fmt
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*
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* Returns:
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* none
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*
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*/
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void
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#if __STDC__
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scsp_trace(const char *fmt, ...)
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#else
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scsp_trace(fmt, va_alist)
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char *fmt;
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va_dcl
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#endif
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{
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va_list ap;
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#if __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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/*
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* Write the message to the trace file, if it's open
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*/
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if (scsp_trace_file) {
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vfprintf(scsp_trace_file, fmt, ap);
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}
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va_end(ap);
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}
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/*
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* Write an SCSP message to SCSP's trace file
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*
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* Arguments:
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* dcsp pointer to DCS block for the message
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* msg pointer to the message
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* dir a direction indicator--0 for sending, 1 for receiving
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*
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* Returns:
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* none
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*
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*/
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void
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scsp_trace_msg(dcsp, msg, dir)
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Scsp_dcs *dcsp;
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Scsp_msg *msg;
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int dir;
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{
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struct in_addr addr;
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/*
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* Copy the remote IP address into a struct in_addr
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*/
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UM_COPY(dcsp->sd_dcsid.id, &addr.s_addr,
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sizeof(struct in_addr));
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/*
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* Write the message to the trace file, if it's open
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*/
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if (scsp_trace_file) {
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scsp_trace("SCSP message at 0x%x %s %s\n",
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(u_long)msg,
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(dir ? "received from" : "sent to"),
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format_ip_addr(&addr));
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print_scsp_msg(scsp_trace_file, msg);
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}
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}
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/*
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* Log a memory error and exit
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*
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* Arguments:
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* cp message to log
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*
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* Returns:
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* exits, does not return
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*
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*/
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void
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scsp_mem_err(cp)
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char *cp;
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{
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scsp_log(LOG_CRIT, "out of memory: %s", cp);
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exit(2);
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}
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