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/*
* Copyright (c) 1997-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "pmapi.h"
#include "impl.h"
#include "trace.h"
typedef enum { UNKNOWN, COUNTER, OBSERVE, TRANSACT } trace_t;
int
main(int argc, char **argv)
{
int c;
char *p;
char *me;
int err = 0;
int verbose = 1;
/* anything directly influencing the trace API is in this struct */
struct {
int state;
char *tag;
char *host;
trace_t type; /* COUNTER, OBSERVE, or TRANSACT */
union {
double value; /* OBSERVE/COUNTER types */
char *command; /* TRANSACT type */
} arg;
} api;
__pmSetProgname(argv[0]);
me = pmProgname;
memset(&api, 0, sizeof(api));
while ((c = getopt(argc, argv, "S:c:e:h:qv:?")) != EOF) {
switch (c) {
case 'S':
/* allow base 8 or 16 or 10 based on supplied value */
c = (int)strtol(optarg, &p, 0);
if (p == optarg || *p != '\0') {
fprintf(stderr, "%s: -S requires a numeric argument\n", me);
err++;
}
else
api.state |= c;
break;
case 'h':
api.host = optarg;
break;
case 'q':
verbose = 0;
break;
case 'c':
if (api.type != UNKNOWN) {
fprintf(stderr, "%s: only one of -c, -v or -e allowed\n", me);
err++;
}
api.type = COUNTER;
api.arg.value = strtod(optarg, &p);
if (*p != '\0') {
fprintf(stderr, "%s: -v requires a numeric argument\n", me);
err++;
}
break;
case 'e':
if (api.type != UNKNOWN) {
fprintf(stderr, "%s: only one of -c, -v or -e allowed\n", me);
err++;
}
api.type = TRANSACT;
api.arg.command = optarg;
break;
case 'v':
if (api.type != UNKNOWN) {
fprintf(stderr, "%s: only one of -c, -v or -e allowed\n", me);
err++;
}
api.type = OBSERVE;
api.arg.value = strtod(optarg, &p);
if (*p != '\0') {
fprintf(stderr, "%s: -v requires a numeric argument\n", me);
err++;
}
break;
default:
err++;
}
}
if (optind == argc-1) {
api.tag = argv[optind];
optind++;
}
if (err || optind != argc || api.tag == NULL) {
fprintf(stderr,
"Usage: %s [-q] [-c value|-e command|-v value] [-h host] [-S state] tag\n\n\
Options:\n\
-c value export a counter value through the trace PMDA\n\
-e command run command and export transaction data\n\
-h host send trace data to trace PMDA on given host\n\
-q quiet mode - suppress message from successful trace\n\
-S state set debug state using pmtracestate(3) as bit-wise\n\
combination of these flags:\n\
1 Shows processing just below the API\n\
2 Shows network-related activity\n\
4 Shows app<->PMDA IPC traffic\n\
8 Shows internal IPC buffer management\n\
16 No PMDA communications at all\n\
-v value export an observation value through the trace PMDA\n\
\n\
%s always uses the asynchronous PDU protocol mode.\n", me, me);
exit(0);
}
pmtracestate(api.state | PMTRACE_STATE_ASYNC);
c = 0; /* reuse as the exit status */
if (api.host != NULL) {
if ((p = (char *)malloc(strlen(api.host) + 20)) == NULL) {
fprintf(stderr, "%s: malloc failed: %s\n",
me, pmtraceerrstr(-oserror()));
exit(0);
}
sprintf(p, "PCP_TRACE_HOST=%s", api.host);
if (putenv(p) < 0) {
fprintf(stderr, "%s: putenv failed: %s\n",
me, pmtraceerrstr(-oserror()));
exit(0);
}
}
switch (api.type) {
case COUNTER:
if ((err = pmtracecounter(api.tag, api.arg.value)) < 0) {
fprintf(stderr, "%s: counter error: %s\n",
me, pmtraceerrstr(err));
exit(0);
}
else if (verbose) {
printf("%s: counter complete (tag=\"%s\", value=%f)\n",
me, api.tag, api.arg.value);
}
break;
case OBSERVE:
if ((err = pmtraceobs(api.tag, api.arg.value)) < 0) {
fprintf(stderr, "%s: observation error: %s\n",
me, pmtraceerrstr(err));
exit(0);
}
else if (verbose) {
printf("%s: observation complete (tag=\"%s\", value=%f)\n",
me, api.tag, api.arg.value);
}
break;
case TRANSACT:
if ((err = pmtracebegin(api.tag)) < 0) {
fprintf(stderr, "%s: transaction begin error: %s\n",
me, pmtraceerrstr(err));
/* don't exit yet - execute cmd anyway, just no tracing */
}
if ((c = system(api.arg.command)) < 0) {
fprintf(stderr, "%s: system error running '%s': %s\n",
me, api.arg.command, pmtraceerrstr(-oserror()));
exit(0);
}
if (err < 0)
exit(c);
if ((err = pmtraceend(api.tag)) < 0) {
fprintf(stderr, "%s: transaction end error: %s\n",
me, pmtraceerrstr(err));
exit(c);
}
else if (verbose) {
printf("%s: transaction complete (tag=\"%s\")\n", me, api.tag);
}
break;
default:
if ((err = pmtracepoint(api.tag)) < 0) {
fprintf(stderr, "%s: point error: %s\n",
me, pmtraceerrstr(err));
exit(0);
}
else if (verbose) {
printf("%s: point complete (tag=\"%s\")\n", me, api.tag);
}
}
exit(c);
}
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