diff options
Diffstat (limited to 'usr.sbin/i4b/isdnd/log.c')
| -rw-r--r-- | usr.sbin/i4b/isdnd/log.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/usr.sbin/i4b/isdnd/log.c b/usr.sbin/i4b/isdnd/log.c new file mode 100644 index 0000000..4c1ffb6 --- /dev/null +++ b/usr.sbin/i4b/isdnd/log.c @@ -0,0 +1,242 @@ +/* + * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + *--------------------------------------------------------------------------- + * + * i4b daemon - logging routines + * ----------------------------- + * + * $Id: log.c,v 1.14 1998/12/05 18:03:24 hm Exp $ + * + * last edit-date: [Sat Dec 5 18:10:22 1998] + * + *---------------------------------------------------------------------------*/ + +#include <string.h> +#include <stdlib.h> +#include <stdarg.h> +#include <time.h> +#include <errno.h> +#include <syslog.h> +#include <unistd.h> +#include <regex.h> + +#include <machine/i4b_ioctl.h> + +#include "isdnd.h" + +#define LOGBUFLEN 256 + +extern int do_monitor; +extern int accepted; +extern FILE *logfp; + +static void check_reg(char *logstring); + +struct logtab { + char *text; + int pri; +}; + +/*---------------------------------------------------------------------------* + * table for converting internal log levels into syslog levels + *---------------------------------------------------------------------------*/ +static struct logtab logtab[] = { + {"ERR", LOG_ERR}, /* error conditions */ + {"WRN", LOG_WARNING}, /* warning conditions, nonfatal */ + {"DMN", LOG_NOTICE}, /* normal but significant condition, daemon*/ + {"CHD", LOG_INFO}, /* informational, call handling */ + {"DBG", LOG_DEBUG} /* debug messages */ +}; + +/*---------------------------------------------------------------------------* + * initialize logging + *---------------------------------------------------------------------------*/ +void +init_log(void) +{ + int i; + + if(uselogfile) + { + if((logfp = fopen(logfile, "a")) == NULL) + { + fprintf(stderr, "ERROR, cannot open logfile %s: %s\n", + logfile, strerror(errno)); + exit(1); + } + + /* set unbuffered operation */ + + setvbuf(logfp, (char *)NULL, _IONBF, 0); + } + else + { +#if DEBUG + if(do_debug && do_fork == 0 && do_fullscreen == 0) + (void)openlog("isdnd", + LOG_PID|LOG_CONS|LOG_NDELAY|LOG_PERROR, + logfacility); + else +#endif + (void)openlog("isdnd", LOG_PID|LOG_CONS|LOG_NDELAY, + logfacility); + } + + /* initialize the regexp array */ + + for(i = 0; i < MAX_RE; i++) + { + char *p; + char buf[64]; + + sprintf(buf, "%s%d", REGPROG_DEF, i); + + rarr[i].re_flg = 0; + + if((p = malloc(strlen(buf) + 1)) == NULL) + { + log(LL_DBG, "init_log: malloc failed: %s", strerror(errno)); + do_exit(1); + } + + strcpy(p, buf); + + rarr[i].re_prog = p; + } +} + +/*---------------------------------------------------------------------------* + * finish logging + *---------------------------------------------------------------------------*/ +void +finish_log(void) +{ + if(uselogfile) + { + fflush(logfp); + fclose(logfp); + } + else + { + (void)closelog(); + } +} + +/*---------------------------------------------------------------------------* + * place entry into logfile + *---------------------------------------------------------------------------*/ +void +log(int what, const char *fmt, ...) +{ + char buffer[LOGBUFLEN]; + register char *dp; + va_list ap; + + va_start(ap, fmt); + vsnprintf(buffer, LOGBUFLEN-1, fmt, ap); + va_end(ap); + + dp = getlogdatetime(); /* get time string ptr */ + +#ifdef USE_CURSES + + /* put log on screen ? */ + + if((do_fullscreen && curses_ready) && + ((!debug_noscreen) || (debug_noscreen && (what != LL_DBG)))) + { + wprintw(lower_w, "%s %s %-.*s\n", dp, logtab[what].text, + COLS-((strlen(dp))+(strlen(logtab[what].text))+2), buffer); + wrefresh(lower_w); + } +#endif + +#ifdef I4B_EXTERNAL_MONITOR + monitor_evnt_log(logtab[what].pri, logtab[what].text, buffer); +#endif + + if(uselogfile) + { + fprintf(logfp, "%s %s %s\n", dp, logtab[what].text, buffer); + } + else + { + register char *s = buffer; + + /* strip leading spaces from syslog output */ + + while(*s && (*s == ' ')) + s++; + + syslog(logtab[what].pri, "%s %s", logtab[what].text, s); + } + + +#if DEBUG + if(what != LL_DBG) /* don't check debug logs, endless loop !!! */ +#endif + check_reg(buffer); +} + +/*---------------------------------------------------------------------------* + * return ptr to static area containing date/time + *---------------------------------------------------------------------------*/ +char * +getlogdatetime() +{ + static char logdatetime[41]; + time_t tim; + register struct tm *tp; + + tim = time(NULL); + tp = localtime(&tim); + strftime(logdatetime,40,I4B_TIME_FORMAT,tp); + return(logdatetime); +} + +/*---------------------------------------------------------------------------* + * check for a match in the regexp array + *---------------------------------------------------------------------------*/ +static void +check_reg(char *logstring) +{ + register int i; + + for(i = 0; i < MAX_RE; i++) + { + if(rarr[i].re_flg && (!regexec(&(rarr[i].re), logstring, (size_t) 0, NULL, 0))) + { + char* argv[3]; + argv[0] = rarr[i].re_prog; + argv[1] = logstring; + argv[2] = NULL; + + exec_prog(rarr[i].re_prog, argv); + break; + } + } +} + +/* EOF */ |
