diff options
Diffstat (limited to 'usr.sbin/atm/scspd/scsp_log.c')
| -rw-r--r-- | usr.sbin/atm/scspd/scsp_log.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/usr.sbin/atm/scspd/scsp_log.c b/usr.sbin/atm/scspd/scsp_log.c new file mode 100644 index 0000000..9088078 --- /dev/null +++ b/usr.sbin/atm/scspd/scsp_log.c @@ -0,0 +1,265 @@ +/* + * + * =================================== + * 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 1.2 1998/07/12 20:49:36 johnc Exp $ + * + */ + + +/* + * Server Cache Synchronization Protocol (SCSP) Support + * ---------------------------------------------------- + * + * SCSP logging routines + * + */ + + +#ifndef lint +static char *RCSid = "@(#) $Id: scsp_log.c,v 1.2 1998/07/12 20:49:36 johnc Exp $"; +#endif + +#include <sys/types.h> +#include <sys/param.h> + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <syslog.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 <libatm.h> +#include "scsp_msg.h" +#include "scsp_if.h" +#include "scsp_var.h" + +#if __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#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); +} |
