/* initialize timezone */
void
zoneInit(void)
{
int sts;
int handle = -1;
Archive *a;
if (timeZone) { /* TZ from timezone string */
if ((sts = pmNewZone(timeZone)) < 0)
fprintf(stderr, "%s: cannot set timezone to %s\n"
"pmNewZone failed: %s\n", pmProgname, timeZone,
pmErrStr(sts));
}
else if (! archives && hostZone) { /* TZ from live host */
if ((handle = pmNewContext(PM_CONTEXT_HOST, dfltHostConn)) < 0)
fprintf(stderr, "%s: cannot set timezone from %s\n"
"pmNewContext failed: %s\n", pmProgname,
findsource(dfltHostConn), pmErrStr(handle));
else if ((sts = pmNewContextZone()) < 0)
fprintf(stderr, "%s: cannot set timezone from %s\n"
"pmNewContextZone failed: %s\n", pmProgname,
findsource(dfltHostConn), pmErrStr(sts));
else
fprintf(stdout, "%s: timezone set to local timezone of host %s\n",
pmProgname, dfltHostConn);
if (handle >= 0)
pmDestroyContext(handle);
}
else if (hostZone) { /* TZ from an archive */
a = archives;
while (a) {
if (strcmp(dfltHostName, a->hname) == 0)
break;
a = a->next;
}
if (! a)
fprintf(stderr, "%s: no archive supplied for host %s\n",
pmProgname, dfltHostName);
else if ((handle = pmNewContext(PM_CONTEXT_ARCHIVE, a->fname)) < 0)
fprintf(stderr, "%s: cannot set timezone from %s\npmNewContext failed: %s\n",
pmProgname, findsource(dfltHostName), pmErrStr(handle));
else if ((sts = pmNewContextZone()) < 0)
fprintf(stderr, "%s: cannot set timezone from %s\n"
"pmNewContextZone failed: %s\n",
pmProgname, findsource(dfltHostName), pmErrStr(sts));
else
fprintf(stdout, "%s: timezone set to local timezone of host %s\n",
pmProgname, dfltHostName);
if (handle >= 0)
pmDestroyContext(handle);
}
}
void
QmcSource::retryConnect(int type, QString &source)
{
int oldTZ;
int oldContext;
int offset;
int sts;
char *tzs;
QString name;
QString hostSpec;
switch (type) {
case PM_CONTEXT_LOCAL:
my.desc = "Local context";
my.host = my.source = localHost;
my.proxy = "";
break;
case PM_CONTEXT_HOST:
my.desc = "host \"";
my.desc.append(source);
my.desc.append(QChar('\"'));
my.host = source;
my.proxy = getenv("PMPROXY_HOST");
if ((offset = my.host.indexOf('?')) >= 0) {
my.attrs = my.host;
my.attrs.remove(0, offset+1);
my.host.truncate(offset);
name = my.attrs.section(QString("container="), -1);
if (name != QString::null && (offset = name.indexOf(',')) > 0)
name.truncate(offset);
my.context_container = name;
}
if ((offset = my.host.indexOf('@')) >= 0) {
my.proxy = my.host;
my.proxy.remove(0, offset+1);
}
my.source = my.host;
break;
case PM_CONTEXT_ARCHIVE:
my.desc = "archive \"";
my.desc.append(source);
my.desc.append(QChar('\"'));
my.source = source;
my.proxy = "";
break;
}
oldContext = pmWhichContext();
hostSpec = source;
my.status = pmNewContext(type | my.flags, (const char *)hostSpec.toAscii());
if (my.status >= 0) {
my.handles.append(my.status);
// Fetch the server-side host name for this context, properly as of pcp 3.8.3+.
my.context_hostname = pmGetContextHostName(my.status); // NB: may leak memory
if (my.context_hostname == "") // may be returned for errors or PM_CONTEXT_LOCAL
my.context_hostname = localHost;
if (my.type == PM_CONTEXT_ARCHIVE) {
pmLogLabel lp;
sts = pmGetArchiveLabel(&lp);
if (sts < 0) {
pmprintf("%s: Unable to obtain log label for \"%s\": %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
my.host = "unknown?";
my.status = sts;
goto done;
}
else {
my.host = lp.ll_hostname;
my.start = lp.ll_start;
}
sts = pmGetArchiveEnd(&my.end);
if (sts < 0) {
pmprintf("%s: Unable to determine end of \"%s\": %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
my.status = sts;
goto done;
}
}
else {
gettimeofday(&my.start, NULL);
my.end = my.start;
}
if (pmDebug & DBG_TRACE_PMC) {
QTextStream cerr(stderr);
cerr << "QmcSource::QmcSource: Created context "
<< my.handles.last() << " to " << my.desc << endl;
}
oldTZ = pmWhichZone(&tzs);
my.tz = pmNewContextZone();
if (my.tz < 0)
pmprintf("%s: Warning: Unable to obtain timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(my.tz));
else {
sts = pmWhichZone(&tzs);
if (sts >= 0)
my.timezone = tzs;
else
pmprintf("%s: Warning: Unable to obtain timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
if (oldTZ >= 0) {
sts = pmUseZone(oldTZ);
if (sts < 0) {
pmprintf("%s: Warning: Unable to switch timezones."
" Using timezone for %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
}
}
else if (pmDebug & DBG_TRACE_PMC) {
QTextStream cerr(stderr);
cerr << "QmcSource::QmcSource: Context to " << source
<< " failed: " << pmErrStr(my.status) << endl;
}
done:
sourceList.append(this);
if (oldContext >= 0) {
sts = pmUseContext(oldContext);
if (sts < 0) {
pmprintf("%s: Warning: Unable to switch contexts."
" Using context to %s: %s\n",
pmProgname, (const char *)my.desc.toAscii(),
pmErrStr(sts));
}
}
}
int
main(int argc, char **argv)
{
int c;
int sts;
int e_sts = 0;
int errflag = 0;
int ahtype = 0;
int verbose = 0;
int quick = 0;
char *host = NULL; /* pander to gcc */
pmResult *result;
pmResult *prev = NULL;
struct timeval start = { 0,0 };
struct timeval end;
int tzh;
off_t trunc_size = 0;
__pmSetProgname(argv[0]);
while ((c = getopt(argc, argv, "a:D:t:qv?")) != EOF) {
switch (c) {
case 'a': /* archive name */
if (ahtype != 0) {
fprintf(stderr, "%s: at most one of -a and/or -h allowed\n", pmProgname);
errflag++;
}
ahtype = PM_CONTEXT_ARCHIVE;
host = optarg;
break;
#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 't': /* truncate */
trunc_size = atol(optarg);
break;
case 'q': /* quick */
quick = 1;
break;
case 'v': /* verbose */
verbose++;
break;
case '?':
default:
errflag++;
break;
}
}
if (errflag || optind < argc) {
fprintf(stderr,
"Usage: %s options ...\n\
\n\
Options\n\
-a archive metrics source is an archive log\n\
-t size truncate archive to size bytes\n\
-q quick (read last 3 records, not the whole archive)\n\
-v verbose\n",
pmProgname);
exit(1);
}
if (ahtype != PM_CONTEXT_ARCHIVE) {
fprintf(stderr, "%s: -a is not optional!\n", pmProgname);
exit(1);
}
/* truncate if -t specified, _before_ opening archive */
if (trunc_size != 0) {
if (access(host, W_OK) == 0) {
if (truncate(host, trunc_size) != 0) {
fprintf(stderr, "%s: file %s exists, but cannot truncate\n",
pmProgname, host);
exit(1);
}
}
else {
char path[MAXPATHLEN];
sprintf(path, "%s.0", host);
if (access(path, W_OK) == 0) {
if (truncate(path, trunc_size) != 0) {
fprintf(stderr, "%s: file %s exists, but cannot truncate\n",
pmProgname, path);
exit(1);
}
}
else {
fprintf(stderr, "%s: cannot find writeable %s or %s\n",
pmProgname, host, path);
exit(1);
}
}
}
if ((sts = pmNewContext(ahtype, host)) < 0) {
fprintf(stderr, "%s: Cannot open archive \"%s\": %s\n",
pmProgname, host, pmErrStr(sts));
exit(1);
}
/* force -z (timezone of archive */
if ((tzh = pmNewContextZone()) < 0) {
fprintf(stderr, "%s: Cannot set context timezone: %s\n",
pmProgname, pmErrStr(tzh));
exit(1);
}
sts = pmGetArchiveEnd(&end);
if (sts < 0) {
printf("pmGetArchiveEnd: %s\n", pmErrStr(sts));
}
else {
if (verbose) {
printf("pmGetArchiveEnd time: ");
printstamp(&end);
printf("\n");
}
}
sts = pmSetMode(PM_MODE_BACK, &end, 0);
if (sts < 0) {
printf("pmSetMode PM_MODE_BACK: %s\n", pmErrStr(sts));
exit(1);
}
sts = pmFetchArchive(&result);
if (sts < 0) {
printf("pmFetchArchive: %s\n", pmErrStr(sts));
e_sts = 1;
}
else {
if (verbose) {
printf("last result time (direct): ");
printstamp(&result->timestamp);
printf("\n");
}
if (result->timestamp.tv_sec != end.tv_sec ||
result->timestamp.tv_usec != end.tv_usec) {
printf("Mismatch: end=");
printstamp(&end);
printf(" direct=");
printstamp(&result->timestamp);
printf("\n");
e_sts = 1;
}
start.tv_sec = result->timestamp.tv_sec;
start.tv_usec = result->timestamp.tv_usec;
pmFreeResult(result);
}
if (quick && e_sts == 0) {
int i;
for (i = 0; i < 2; i++) {
sts = pmFetchArchive(&result);
if (sts >= 0) {
start.tv_sec = result->timestamp.tv_sec;
start.tv_usec = result->timestamp.tv_usec;
pmFreeResult(result);
}
}
}
else {
/* start from the epoch and move forward */
start.tv_sec = 0;
start.tv_usec = 0;
}
sts = pmSetMode(PM_MODE_FORW, &start, 0);
if (sts < 0) {
printf("pmSetMode PM_MODE_FORW: %s\n", pmErrStr(sts));
exit(1);
}
while ((sts = pmFetchArchive(&result)) >= 0) {
if (prev != NULL)
pmFreeResult(prev);
prev = result;
}
if (verbose) printf("pmFetchArchive: %s\n", pmErrStr(sts));
if (prev == NULL) {
printf("no results!\n");
}
else {
if (verbose) {
printf("last result time (serial): ");
printstamp(&prev->timestamp);
printf("\n");
}
if (prev->timestamp.tv_sec != end.tv_sec ||
prev->timestamp.tv_usec != end.tv_usec) {
printf("Mismatch: end=");
printstamp(&end);
printf(" serial=");
printstamp(&prev->timestamp);
printf("\n");
e_sts = 1;
}
pmFreeResult(prev);
}
exit(e_sts);
}
int
main(int argc, char **argv)
{
int c;
int i;
int sts;
int errflag = 0;
int type = 0;
int verbose = 0;
char *host = NULL; /* pander to gcc */
int mode = PM_MODE_INTERP; /* mode for archives */
char *configfile = NULL;
char *start = NULL;
char *finish = NULL;
char *align = NULL;
char *offset = NULL;
char *logfile = NULL;
pmLogLabel label; /* get hostname for archives */
int zflag = 0; /* for -z */
char *tz = NULL; /* for -Z timezone */
int tzh; /* initial timezone handle */
char local[MAXHOSTNAMELEN];
char *pmnsfile = PM_NS_DEFAULT;
int samples = -1;
double delta = 1.0;
char *endnum;
struct timeval startTime;
struct timeval endTime;
struct timeval appStart;
struct timeval appEnd;
struct timeval appOffset;
pmSetProgname(argv[0]);
while ((c = getopt(argc, argv, "a:A:c:D:h:l:Ln:O:s:S:t:T:U:VzZ:?")) != EOF) {
switch (c) {
case 'a': /* archive name */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a, -h, -L and -U allowed\n", pmGetProgname());
errflag++;
}
type = PM_CONTEXT_ARCHIVE;
host = optarg;
break;
case 'A': /* time alignment */
align = optarg;
break;
case 'c': /* configfile */
if (configfile != NULL) {
fprintf(stderr, "%s: at most one -c option allowed\n", pmGetProgname());
errflag++;
}
configfile = optarg;
break;
case 'D': /* debug options */
sts = pmSetDebug(optarg);
if (sts < 0) {
fprintf(stderr, "%s: unrecognized debug options specification (%s)\n",
pmGetProgname(), optarg);
errflag++;
}
break;
case 'h': /* contact PMCD on this hostname */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a, -h, -L and -U allowed\n", pmGetProgname());
errflag++;
}
host = optarg;
type = PM_CONTEXT_HOST;
break;
case 'L': /* LOCAL, no PMCD */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a, -h, -L and -U allowed\n", pmGetProgname());
errflag++;
}
host = NULL;
type = PM_CONTEXT_LOCAL;
putenv("PMDA_LOCAL_PROC="); /* if proc PMDA needed */
putenv("PMDA_LOCAL_SAMPLE="); /* if sampledso PMDA needed */
break;
case 'l': /* logfile */
logfile = optarg;
break;
case 'n': /* alternative name space file */
pmnsfile = optarg;
break;
case 'O': /* sample offset time */
offset = optarg;
break;
case 's': /* sample count */
samples = (int)strtol(optarg, &endnum, 10);
if (*endnum != '\0' || samples < 0) {
fprintf(stderr, "%s: -s requires numeric argument\n", pmGetProgname());
errflag++;
}
break;
case 'S': /* start time */
start = optarg;
break;
case 't': /* delta seconds (double) */
delta = strtod(optarg, &endnum);
if (*endnum != '\0' || delta <= 0.0) {
fprintf(stderr, "%s: -t requires floating point argument\n", pmGetProgname());
errflag++;
}
break;
case 'T': /* terminate time */
finish = optarg;
break;
case 'U': /* uninterpolated archive log */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a, -h, -L and -U allowed\n", pmGetProgname());
errflag++;
}
type = PM_CONTEXT_ARCHIVE;
mode = PM_MODE_FORW;
host = optarg;
break;
case 'V': /* verbose */
verbose++;
break;
case 'z': /* timezone from host */
if (tz != NULL) {
fprintf(stderr, "%s: at most one of -Z and/or -z allowed\n", pmGetProgname());
errflag++;
}
zflag++;
break;
case 'Z': /* $TZ timezone */
if (zflag) {
fprintf(stderr, "%s: at most one of -Z and/or -z allowed\n", pmGetProgname());
errflag++;
}
tz = optarg;
break;
case '?':
default:
errflag++;
break;
}
}
if (zflag && type == 0) {
fprintf(stderr, "%s: -z requires an explicit -a, -h or -U option\n", pmGetProgname());
errflag++;
}
if (errflag) {
fprintf(stderr,
"Usage: %s options ...\n\
\n\
Options\n\
-a archive metrics source is an archive log\n\
-A align time alignment\n\
-c configfile file to load configuration from\n\
-D debug standard PCP debug options\n\
-h host metrics source is PMCD on host\n\
-l logfile redirect diagnostics and trace output\n\
-L use local context instead of PMCD\n\
-n pmnsfile use an alternative PMNS\n\
-O offset offset sample time\n\
-s samples terminate after this many iterations\n\
-S start start at this time\n\
-t delta sample interval in seconds(float) [default 1.0]\n\
-T finish finish at this time\n\
-U archive metrics source is an uninterpolated archive log\n\
-V verbose/diagnostic output\n\
-z set reporting timezone to local time for host from -a, -h or -U\n\
-Z timezone set reporting timezone\n",
pmGetProgname());
exit(1);
}
if (logfile != NULL) {
pmOpenLog(pmGetProgname(), logfile, stderr, &sts);
if (sts < 0) {
fprintf(stderr, "%s: Could not open logfile \"%s\"\n", pmGetProgname(), logfile);
}
}
if (pmnsfile != PM_NS_DEFAULT && (sts = pmLoadNameSpace(pmnsfile)) < 0) {
printf("%s: Cannot load namespace from \"%s\": %s\n", pmGetProgname(),
pmnsfile, pmErrStr(sts));
exit(1);
}
if (type == 0) {
type = PM_CONTEXT_HOST;
gethostname(local, sizeof(local));
host = local;
}
if ((sts = pmNewContext(type, host)) < 0) {
if (type == PM_CONTEXT_HOST)
fprintf(stderr, "%s: Cannot connect to PMCD on host \"%s\": %s\n",
pmGetProgname(), host, pmErrStr(sts));
else
fprintf(stderr, "%s: Cannot open archive \"%s\": %s\n",
pmGetProgname(), host, pmErrStr(sts));
exit(1);
}
if (type == PM_CONTEXT_ARCHIVE) {
if ((sts = pmGetArchiveLabel(&label)) < 0) {
fprintf(stderr, "%s: Cannot get archive label record: %s\n",
pmGetProgname(), pmErrStr(sts));
exit(1);
}
if (mode != PM_MODE_INTERP) {
if ((sts = pmSetMode(mode, &label.ll_start, 0)) < 0) {
fprintf(stderr, "%s: pmSetMode: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
}
startTime = label.ll_start;
sts = pmGetArchiveEnd(&endTime);
if (sts < 0) {
fprintf(stderr, "%s: pmGetArchiveEnd: %s\n", pmGetProgname(),
pmErrStr(sts));
exit(1);
}
}
else {
gettimeofday(&startTime, NULL);
endTime.tv_sec = INT_MAX;
}
if (zflag) {
if ((tzh = pmNewContextZone()) < 0) {
fprintf(stderr, "%s: Cannot set context timezone: %s\n",
pmGetProgname(), pmErrStr(tzh));
exit(1);
}
if (type == PM_CONTEXT_ARCHIVE)
printf("Note: timezone set to local timezone of host \"%s\" from archive\n\n",
label.ll_hostname);
else
printf("Note: timezone set to local timezone of host \"%s\"\n\n", host);
}
else if (tz != NULL) {
if ((tzh = pmNewZone(tz)) < 0) {
fprintf(stderr, "%s: Cannot set timezone to \"%s\": %s\n",
pmGetProgname(), tz, pmErrStr(tzh));
exit(1);
}
printf("Note: timezone set to \"TZ=%s\"\n\n", tz);
}
else
tzh = pmNewContextZone();
/* non-flag args are argv[optind] ... argv[argc-1] */
while (optind < argc) {
printf("extra argument[%d]: %s\n", optind, argv[optind]);
optind++;
}
if (align != NULL && type != PM_CONTEXT_ARCHIVE) {
fprintf(stderr, "%s: -A option only supported for PCP archives, alignment request ignored\n",
pmGetProgname());
align = NULL;
}
sts = pmParseTimeWindow(start, finish, align, offset, &startTime,
&endTime, &appStart, &appEnd, &appOffset,
&endnum);
if (sts < 0) {
fprintf(stderr, "%s: %s\n", pmGetProgname(), endnum);
exit(1);
}
if ((sts = pmLookupName(2, namelist, pmidlist)) < 0) {
fprintf(stderr, "%s: pmLookupName failed: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
/* goto the start */
if ((sts = pmSetMode(PM_MODE_INTERP, &appStart, (int)(delta * 1000))) < 0) {
fprintf(stderr, "%s: pmSetMode failed: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
pmCtime(&appStart.tv_sec, timebuf);
printf("archive %s\nstartTime: %19.19s.%06d\n",
host, timebuf, (int)appStart.tv_usec);
pmCtime(&appEnd.tv_sec, timebuf);
printf("endTime : %19.19s.%06d\nsamples=%d delta=%dms\n",
timebuf, (int)appEnd.tv_usec, samples, (int)(delta * 1000));
/* play forwards over the mark */
for (i=0; i < samples; i++) {
if ((sts = pmFetch(2, pmidlist, &result)) < 0) {
fprintf(stderr, "%s: pmFetch failed: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
check_result("forwards ", result);
curpos = result->timestamp; /* struct cpy */
pmFreeResult(result);
}
/* rewind back over the mark */
if ((sts = pmSetMode(PM_MODE_INTERP, &curpos, (int)(delta * -1000))) < 0) {
fprintf(stderr, "%s: pmSetMode failed: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
for (i=0; i < samples; i++) {
if ((sts = pmFetch(2, pmidlist, &result)) < 0) {
fprintf(stderr, "%s: pmFetch failed: %s\n", pmGetProgname(), pmErrStr(sts));
exit(1);
}
check_result("rewinding", result);
pmFreeResult(result);
}
return 0;
}
