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/*
* Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
*
* torture pmGetArchiveEnd
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
#ifdef IS_MINGW
int
truncate(const char *fname, off_t offset)
{
int fd;
if ((fd = open(fname, O_WRONLY)) < 0)
return -1;
if (ftruncate(fd, offset) < 0)
return -1;
close(fd);
return 0;
}
#endif
static void
printstamp(struct timeval *tp)
{
static struct tm *tmp;
tmp = localtime(&tp->tv_sec);
printf("%02d:%02d:%02d.%03d", (int)tmp->tm_hour, (int)tmp->tm_min, (int)tmp->tm_sec, (int)(tp->tv_usec/1000));
}
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);
}
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