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