QmcGroup::QmcGroup(bool restrictArchives)
{
my.restrictArchives = restrictArchives;
my.mode = PM_CONTEXT_HOST;
my.use = -1;
my.localSource = 0;
my.tzFlag = unknownTZ;
my.tzDefault = -1;
my.tzUser = -1;
my.tzGroupIndex = 0;
my.timeEndReal = 0.0;
// Get timezone from environment
if (tzLocalInit == false) {
localHost = QmcSource::getLocalHost();
char *tz = __pmTimezone();
if (tz == NULL)
pmprintf("%s: Warning: Unable to get timezone from environment\n",
pmProgname);
else {
tzLocal = pmNewZone(tz);
if (tzLocal < 0)
pmprintf("%s: Warning: Timezone for localhost: %s\n",
pmProgname, pmErrStr(tzLocal));
else {
tzLocalString = tz;
my.tzDefault = tzLocal;
my.tzFlag = localTZ;
}
}
tzLocalInit = true;
}
}
int
main(int argc, char **argv)
{
int sts;
char *msg;
pmResult *irp; /* input pmResult */
pmResult *orp; /* output pmResult */
__pmPDU *pb; /* pdu buffer */
struct timeval unused;
unsigned long peek_offset;
/* process cmd line args */
if (parseargs(argc, argv) < 0) {
pmUsageMessage(&opts);
exit(1);
}
/* input archive name is argv[opts.optind] */
/* output archive name is argv[argc-1]) */
/* output archive */
oname = argv[argc-1];
/* input archive */
iname = argv[opts.optind];
/*
* This is the interp mode context
*/
if ((ictx_a = pmNewContext(PM_CONTEXT_ARCHIVE, iname)) < 0) {
fprintf(stderr, "%s: Error: cannot open archive \"%s\" (ctx_a): %s\n",
pmProgname, iname, pmErrStr(ictx_a));
exit(1);
}
if ((sts = pmGetArchiveLabel(&ilabel)) < 0) {
fprintf(stderr, "%s: Error: cannot get archive label record (%s): %s\n", pmProgname, iname, pmErrStr(sts));
exit(1);
}
/* start time */
logstart_tval.tv_sec = ilabel.ll_start.tv_sec;
logstart_tval.tv_usec = ilabel.ll_start.tv_usec;
/* end time */
if ((sts = pmGetArchiveEnd(&logend_tval)) < 0) {
fprintf(stderr, "%s: Error: cannot get end of archive (%s): %s\n",
pmProgname, iname, pmErrStr(sts));
exit(1);
}
if (zarg) {
/* use TZ from metrics source (input-archive) */
if ((sts = pmNewZone(ilabel.ll_tz)) < 0) {
fprintf(stderr, "%s: Cannot set context timezone: %s\n",
pmProgname, pmErrStr(sts));
exit(1);
}
printf("Note: timezone set to local timezone of host \"%s\" from archive\n\n", ilabel.ll_hostname);
}
else if (tz != NULL) {
/* use TZ as specified by user */
if ((sts = pmNewZone(tz)) < 0) {
fprintf(stderr, "%s: Cannot set timezone to \"%s\": %s\n",
pmProgname, tz, pmErrStr(sts));
exit(1);
}
printf("Note: timezone set to \"TZ=%s\"\n\n", tz);
}
else {
char *tz;
tz = __pmTimezone();
/* use TZ from local host */
if ((sts = pmNewZone(tz)) < 0) {
fprintf(stderr, "%s: Cannot set local host's timezone: %s\n",
pmProgname, pmErrStr(sts));
exit(1);
}
}
/* set winstart and winend timevals */
sts = pmParseTimeWindow(Sarg, Targ, Aarg, Oarg,
&logstart_tval, &logend_tval,
&winstart_tval, &winend_tval, &unused, &msg);
if (sts < 0) {
fprintf(stderr, "%s: Invalid time window specified: %s\n",
pmProgname, msg);
exit(1);
}
#if PCP_DEBUG
if (pmDebug & DBG_TRACE_APPL0) {
char buf[26];
pmCtime((const time_t *)&winstart_tval.tv_sec, buf);
fprintf(stderr, "Start time: %s", buf);
pmCtime((const time_t *)&winend_tval.tv_sec, buf);
fprintf(stderr, "End time: %s", buf);
}
#endif
if ((sts = pmSetMode(PM_MODE_INTERP | PM_XTB_SET(PM_TIME_SEC),
&winstart_tval, (int)targ)) < 0) {
fprintf(stderr, "%s: pmSetMode(PM_MODE_INTERP ...) failed: %s\n",
pmProgname, pmErrStr(sts));
exit(1);
}
/* create output log - must be done before writing label */
if ((sts = __pmLogCreate("", oname, PM_LOG_VERS02, &logctl)) < 0) {
fprintf(stderr, "%s: Error: __pmLogCreate: %s\n",
pmProgname, pmErrStr(sts));
exit(1);
}
/* This must be done after log is created:
* - checks that archive version, host, and timezone are ok
* - set archive version, host, and timezone of output archive
* - set start time
* - write labels
*/
newlabel();
current.tv_sec = logctl.l_label.ill_start.tv_sec = winstart_tval.tv_sec;
current.tv_usec = logctl.l_label.ill_start.tv_usec = winstart_tval.tv_usec;
/* write label record */
writelabel();
/*
* Supress any automatic label creation in libpcp at the first
* pmResult write.
*/
logctl.l_state = PM_LOG_STATE_INIT;
/*
* Traverse the PMNS to get all the metrics and their metadata
*/
if ((sts = pmTraversePMNS ("", dometric)) < 0) {
fprintf(stderr, "%s: Error traversing namespace ... %s\n",
pmProgname, pmErrStr(sts));
goto cleanup;
}
/*
* All the initial metadata has been generated, add timestamp
*/
fflush(logctl.l_mdfp);
__pmLogPutIndex(&logctl, ¤t);
written = 0;
/*
* main loop
*/
while (sarg == -1 || written < sarg) {
/*
* do stuff
*/
if ((sts = pmUseContext(ictx_a)) < 0) {
fprintf(stderr, "%s: Error: cannot use context (%s): %s\n",
pmProgname, iname, pmErrStr(sts));
goto cleanup;
}
if ((sts = pmFetch(numpmid, pmidlist, &irp)) < 0) {
if (sts == PM_ERR_EOL)
break;
fprintf(stderr,
"%s: Error: pmFetch failed: %s\n", pmProgname, pmErrStr(sts));
exit(1);
}
if (irp->timestamp.tv_sec > winend_tval.tv_sec ||
(irp->timestamp.tv_sec == winend_tval.tv_sec &&
irp->timestamp.tv_usec > winend_tval.tv_usec)) {
/* past end time as per -T */
break;
}
#if PCP_DEBUG
if (pmDebug & DBG_TRACE_APPL2) {
fprintf(stderr, "input record ...\n");
__pmDumpResult(stderr, irp);
}
#endif
/*
* traverse the interval, looking at every archive record ...
* we are particularly interested in:
* - metric-values that are interpolated but not present in
* this interval
* - counter wraps
* - mark records
*/
doscan(&irp->timestamp);
if ((sts = pmUseContext(ictx_a)) < 0) {
fprintf(stderr, "%s: Error: cannot use context (%s): %s\n",
pmProgname, iname, pmErrStr(sts));
goto cleanup;
}
orp = rewrite(irp);
#if PCP_DEBUG
if (pmDebug & DBG_TRACE_APPL2) {
if (orp == NULL)
fprintf(stderr, "output record ... none!\n");
else {
fprintf(stderr, "output record ...\n");
__pmDumpResult(stderr, orp);
}
}
#endif
if (orp == NULL)
goto next;
/*
* convert log record to a PDU, and enforce V2 encoding semantics,
* then write it out
*/
sts = __pmEncodeResult(PDU_OVERRIDE2, orp, &pb);
if (sts < 0) {
fprintf(stderr, "%s: Error: __pmEncodeResult: %s\n",
pmProgname, pmErrStr(sts));
goto cleanup;
}
/* switch volumes if required */
if (varg > 0) {
if (written > 0 && (written % varg) == 0) {
__pmTimeval next_stamp;
next_stamp.tv_sec = irp->timestamp.tv_sec;
next_stamp.tv_usec = irp->timestamp.tv_usec;
newvolume(oname, &next_stamp);
}
}
/*
* Even without a -v option, we may need to switch volumes
* if the data file exceeds 2^31-1 bytes
*/
peek_offset = ftell(logctl.l_mfp);
peek_offset += ((__pmPDUHdr *)pb)->len - sizeof(__pmPDUHdr) + 2*sizeof(int);
if (peek_offset > 0x7fffffff) {
__pmTimeval next_stamp;
next_stamp.tv_sec = irp->timestamp.tv_sec;
next_stamp.tv_usec = irp->timestamp.tv_usec;
newvolume(oname, &next_stamp);
}
current.tv_sec = orp->timestamp.tv_sec;
current.tv_usec = orp->timestamp.tv_usec;
doindom(orp);
/* write out log record */
sts = __pmLogPutResult2(&logctl, pb);
__pmUnpinPDUBuf(pb);
if (sts < 0) {
fprintf(stderr, "%s: Error: __pmLogPutResult2: log data: %s\n",
pmProgname, pmErrStr(sts));
goto cleanup;
}
written++;
rewrite_free();
next:
pmFreeResult(irp);
}
/* write the last time stamp */
fflush(logctl.l_mfp);
fflush(logctl.l_mdfp);
__pmLogPutIndex(&logctl, ¤t);
exit(exit_status);
cleanup:
{
char fname[MAXNAMELEN];
fprintf(stderr, "Archive \"%s\" not created.\n", oname);
snprintf(fname, sizeof(fname), "%s.0", oname);
unlink(fname);
snprintf(fname, sizeof(fname), "%s.meta", oname);
unlink(fname);
snprintf(fname, sizeof(fname), "%s.index", oname);
unlink(fname);
exit(1);
}
}
/*
* sendstatus
*/
static int
sendstatus(void)
{
int rv;
int end;
int version;
static int firsttime = 1;
static char *tzlogger;
struct timeval now;
if (firsttime) {
tzlogger = __pmTimezone();
firsttime = 0;
}
if ((version = __pmVersionIPC(clientfd)) < 0)
return version;
if (version >= LOG_PDU_VERSION2) {
__pmLoggerStatus ls;
if ((ls.ls_state = logctl.l_state) == PM_LOG_STATE_NEW)
ls.ls_start.tv_sec = ls.ls_start.tv_usec = 0;
else
memcpy(&ls.ls_start, &logctl.l_label.ill_start, sizeof(ls.ls_start));
memcpy(&ls.ls_last, &last_stamp, sizeof(ls.ls_last));
__pmtimevalNow(&now);
ls.ls_timenow.tv_sec = (__int32_t)now.tv_sec;
ls.ls_timenow.tv_usec = (__int32_t)now.tv_usec;
ls.ls_vol = logctl.l_curvol;
ls.ls_size = ftell(logctl.l_mfp);
assert(ls.ls_size >= 0);
/* be careful of buffer size mismatches when copying strings */
end = sizeof(ls.ls_hostname) - 1;
strncpy(ls.ls_hostname, logctl.l_label.ill_hostname, end);
ls.ls_hostname[end] = '\0';
/* BTW, that string should equal pmcd_host[]. */
/* NB: FQDN cleanup: there is no such thing as 'the fully
qualified domain name' of a server: it may have several or
none; the set may have changed since the time the log
archive was collected. Now that we store the then-current
pmcd.hostname in the ill_hostname (and thus get it reported
in ls_hostname), we could pass something else informative
in the ls_fqdn slot. Namely, pmcd_host_conn[], which is the
access path pmlogger's using to get to the pmcd. */
end = sizeof(ls.ls_fqdn) - 1;
strncpy(ls.ls_fqdn, pmcd_host_conn, end);
ls.ls_fqdn[end] = '\0';
end = sizeof(ls.ls_tz) - 1;
strncpy(ls.ls_tz, logctl.l_label.ill_tz, end);
ls.ls_tz[end] = '\0';
end = sizeof(ls.ls_tzlogger) - 1;
if (tzlogger != NULL)
strncpy(ls.ls_tzlogger, tzlogger, end);
else
end = 0;
ls.ls_tzlogger[end] = '\0';
rv = __pmSendLogStatus(clientfd, &ls);
}
else
rv = PM_ERR_IPC;
return rv;
}
