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/*
* Copyright (c) 1997-2001 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* ping pmcd ... when the connection is lost, note time.
* keep pinging ... when connection is resumed, report time delta.
*
* Has to be run as root to control pmcd
*/
#include <ctype.h>
#include <pcp/pmapi.h>
#include <pcp/impl.h>
int
main(int argc, char **argv)
{
struct timeval now;
struct timeval then;
pmResult *rp;
int i;
char *namelist[4];
pmID pmidlist[4];
int numpmid;
int ctx;
int c;
int sts;
int errflag = 0;
static const struct timeval delay = { 0, 10000 };
/*
* was sginap(10) ... I think this dated from the sgi days when this
* was, 10 * 1/100 (1/HZ) seconds, so 100,000 usec or 100 msec ...
* but this is not reliable for the QA test (200), so changed to
* 10 msec
*/
__pmSetProgname(argv[0]);
while ((c = getopt(argc, argv, "D:")) != EOF) {
switch (c) {
#ifdef PCP_DEBUG
case 'D': /* debug flag */
sts = __pmParseDebug(optarg);
if (sts < 0) {
fprintf(stderr, "%s: unrecognized debug flag specification (%s)\n",
pmProgname, optarg);
errflag++;
}
else
pmDebug |= sts;
break;
#endif
case '?':
default:
errflag++;
break;
}
}
if (errflag) {
fprintf(stderr,
"Usage: %s options ...\n\
\n\
Options:\n\
-D N set pmDebug debugging flag to N\n",
pmProgname);
exit(1);
}
if ((sts = pmLoadNameSpace(PM_NS_DEFAULT)) < 0) {
fprintf(stderr, "pmLoadNameSpace: %s\n", pmErrStr(sts));
exit(1);
}
if ((ctx = pmNewContext(PM_CONTEXT_HOST, "localhost")) < 0) {
fprintf(stderr, "pmNewContext: %s\n", pmErrStr(ctx));
exit(1);
}
i = 0;
namelist[i++] = "sample.long.write_me";
numpmid = i;
sts = pmLookupName(numpmid, namelist, pmidlist);
if (sts < 0) {
fprintf(stderr, "pmLookupName: %s\n", pmErrStr(sts));
for (i = 0; i < numpmid; i++) {
if (pmidlist[i] == PM_ID_NULL)
fprintf(stderr, " %s - not known\n", namelist[i]);
}
exit(1);
}
for ( ; ; ) {
if ((sts = pmFetch(1, pmidlist, &rp)) < 0) {
fprintf(stderr, "pmFetch failed: %s\n", pmErrStr(sts));
if (sts != PM_ERR_IPC && sts != -ECONNRESET) {
/* unexpected */
fprintf(stderr, "Bogus error?\n");
exit(1);
}
gettimeofday(&then, (struct timezone *)0);
break;
}
pmFreeResult(rp);
__pmtimevalSleep(delay);
}
for ( ; ; ) {
if ((sts = pmReconnectContext(ctx)) >= 0) {
fprintf(stderr, "pmReconnectContext: success\n");
gettimeofday(&now, (struct timezone *)0);
fprintf(stderr, "delay: %.0f secs\n", __pmtimevalSub(&now, &then));
break;
}
__pmtimevalSleep(delay);
}
exit(0);
}
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