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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <fcntl.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stropts.h>
#include <sys/strlog.h>
#define CTLSIZE sizeof (struct log_ctl)
#define DATSIZE 8192
#define LOGDEV "/dev/log"
#define MAXTID 50
static int errflg = 0; /* set if error in argument parsing */
static int infile = 0; /* set if using standard input for arguments */
static int log;
static void prlog(FILE *log, struct log_ctl *lp, char *dp);
static int getid(int ac, char **av, struct trace_ids *tp);
static int convarg(char *ap);
static char *getarg(void);
#define numeric(c) ((c <= '9') && (c >= '0'))
static int
convarg(char *ap)
{
short ids[2];
if (!ap)
return (-2);
if (numeric(*ap))
return (atoi(ap));
if (strcmp(ap, "all") == 0)
return (-1);
errflg = 1;
return (-2);
}
static char *
getarg(void)
{
static char argbuf[40];
static int eofflg = 0;
char *ap;
int c;
if (eofflg) {
infile = 0;
return (NULL);
}
ap = argbuf;
/*
* Scan to first significant character in standard input.
* If EOF is encountered turn off standard input scanning and
* return NULL
*/
while ((c = getchar()) == ' ' || c == '\n' || c == '\t')
;
if (c == EOF) {
infile = 0;
eofflg++;
return (NULL);
}
/*
* collect token until whitespace is encountered. Don't do anything
* with EOF here as it will be caught the next time around.
*/
while (1) {
*ap++ = c;
if ((c = getchar()) == ' ' || c == '\n' ||
c == '\t' || c == EOF) {
if (c == EOF) eofflg++;
*ap = '\0';
return (argbuf);
}
}
}
static int
getid(int ac, char **av, struct trace_ids *tp)
{
static int index = 1;
/*
* if inside of standard input scan take arguments from there.
*/
retry:
if (infile) {
tp->ti_mid = convarg(getarg());
tp->ti_sid = convarg(getarg());
tp->ti_level = convarg(getarg());
if (errflg)
return (0);
/*
* if the previous operations encountered EOF, infile
* will be set to zero. The trace_ids structure must
* then be loaded from the command line arguments.
* Otherwise, the structure is now valid and should
* be returned.
*/
if (infile)
return (1);
}
/*
* if we get here we are either taking arguments from the
* command line argument list or we hit end of file on standard
* input and should return to finish off the command line arguments
*/
if (index >= ac)
return (0);
/*
* if a '-' is present, start parsing from standard input
*/
if (strcmp(av[index], "-") == 0) {
infile = 1;
index++;
goto retry;
}
/*
* Parsing from command line, make sure there are
* at least 3 arguments remaining.
*/
if ((index+2) >= ac)
return (0);
tp->ti_mid = convarg(av[index++]);
tp->ti_sid = convarg(av[index++]);
tp->ti_level = convarg(av[index++]);
if (errflg)
return (0);
return (1);
}
int
main(int ac, char *av[])
{
int n;
char cbuf[CTLSIZE];
char dbuf[DATSIZE];
struct strioctl istr;
struct strbuf ctl, dat;
struct log_ctl *lp = (struct log_ctl *)cbuf;
struct trace_ids tid[MAXTID];
struct trace_ids *tp;
int ntid;
int val;
int flag;
ctl.buf = cbuf;
ctl.maxlen = CTLSIZE;
dat.buf = dbuf;
dat.len = dat.maxlen = DATSIZE;
log = open(LOGDEV, O_RDWR);
if (log < 0) {
fprintf(stderr, "ERROR: unable to open %s\n", LOGDEV);
return (1);
}
tp = tid;
ntid = 0;
if (ac == 1) {
ntid++;
tid[0].ti_mid = -1;
tid[0].ti_sid = -1;
tid[0].ti_level = -1;
} else {
while (getid(ac, av, tp)) {
ntid++;
tp++;
}
}
if (errflg)
return (errflg);
istr.ic_cmd = I_TRCLOG;
istr.ic_dp = (char *)tid;
istr.ic_len = ntid * sizeof (struct trace_ids);
istr.ic_timout = 0;
if (ioctl(log, I_STR, &istr) < 0) {
fprintf(stderr, "ERROR: tracer already exists\n");
return (1);
}
setbuf(stdout, (char *)NULL);
flag = 0;
while (getmsg(log, &ctl, &dat, &flag) >= 0) {
flag = 0;
lp = (struct log_ctl *)cbuf;
prlog(stdout, lp, dbuf);
}
return (0);
}
static void
prlog(FILE *log, struct log_ctl *lp, char *dp)
{
char *ts;
int *args;
char *ap;
time_t t = (time_t)lp->ttime;
ts = ctime(&t);
ts[19] = '\0';
fprintf(log, "%06d %s %08x %2d %s%s%s %d %d %s\n",
lp->seq_no, (ts+11), lp->ltime, lp->level,
((lp->flags & SL_FATAL) ? "F" : "."),
((lp->flags & SL_NOTIFY) ? "N" : "."),
((lp->flags & SL_ERROR) ? "E" : "."),
lp->mid, lp->sid, dp);
}
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