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);
}
}
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;
}
