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/*
* Copyright (c) 1997-2001 Silicon Graphics, Inc. All Rights Reserved.
*/
/*
* permfetch - fetch, permute and fetch again - for a bunch of metrics
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
typedef struct {
char *base;
int numpmid;
char **namelist;
pmID *pmidlist;
pmResult *rp;
} state_t;
state_t *todolist;
static int todo;
static void
dometric(const char *name)
{
int done = todolist[todo].numpmid;
todolist[todo].namelist = (char **)realloc(todolist[todo].namelist, (1+done)*sizeof(char *));
todolist[todo].pmidlist = (pmID *)realloc(todolist[todo].pmidlist, (1+done)*sizeof(pmID));
todolist[todo].namelist[done] = strdup(name);
todolist[todo].numpmid++;
}
int
main(int argc, char **argv)
{
int c;
int n;
int j;
int numpmid;
pmID pmid;
int sts;
int errflag = 0;
int type = 0;
int verbose = 0;
char *host = NULL; /* pander to gcc */
char local[MAXHOSTNAMELEN];
char *namespace = PM_NS_DEFAULT;
__pmSetProgname(argv[0]);
while ((c = getopt(argc, argv, "a:D:h:n:V?")) != EOF) {
switch (c) {
case 'a': /* archive name */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a and/or -h allowed\n", pmProgname);
errflag++;
}
type = 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 'h': /* contact PMCD on this hostname */
if (type != 0) {
fprintf(stderr, "%s: at most one of -a and/or -h allowed\n", pmProgname);
errflag++;
}
host = optarg;
type = PM_CONTEXT_HOST;
break;
case 'n': /* alternative name space file */
namespace = optarg;
break;
case 'V': /* verbose */
verbose++;
break;
case '?':
default:
errflag++;
break;
}
}
if (errflag) {
fprintf(stderr,
"Usage: %s options ...\n\
\n\
Options:\n\
-a archive metrics source is an archive log\n\
-D debug standard PCP debug flag\n\
-h host metrics source is PMCD on host\n\
-n namespace use an alternative PMNS\n\
-V verbose/diagnostic output\n",
pmProgname);
exit(1);
}
if ((sts = pmLoadNameSpace(namespace)) < 0) {
printf("%s: Cannot load namespace from \"%s\": %s\n", pmProgname, namespace, 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",
pmProgname, host, pmErrStr(sts));
else
fprintf(stderr, "%s: Cannot open archive \"%s\": %s\n",
pmProgname, host, pmErrStr(sts));
exit(1);
}
/* non-flag args are argv[optind] ... argv[argc-1] */
while (optind < argc) {
todolist = (state_t *)realloc(todolist, (todo+1)*sizeof(state_t));
todolist[todo].base = argv[optind];
todolist[todo].numpmid = 0;
todolist[todo].namelist = (char **)0;
todolist[todo].pmidlist = (pmID *)0;
pmTraversePMNS(argv[optind], dometric);
printf("%s:\n", argv[optind]);
if (verbose)
printf("... %d metrics,", todolist[todo].numpmid);
if (todolist[todo].numpmid == 0) {
printf("... no metrics in PMNS ... skip tests\n");
goto next;
}
sts = pmLookupName(todolist[todo].numpmid, todolist[todo].namelist, todolist[todo].pmidlist);
if (sts != todolist[todo].numpmid) {
int i;
putchar('\n');
if (sts < 0)
fprintf(stderr, "%s: pmLookupName: %s\n", pmProgname, pmErrStr(sts));
else
fprintf(stderr, "%s: pmLookupName: ...\n", pmProgname);
for (i = 0; i < todolist[todo].numpmid; i++) {
if (todolist[todo].pmidlist[i] == PM_ID_NULL)
fprintf(stderr, " %s is bad\n", todolist[todo].namelist[i]);
}
exit(1);
}
sts = pmFetch(todolist[todo].numpmid, todolist[todo].pmidlist, &todolist[todo].rp);
if (sts < 0) {
putchar('\n');
fprintf(stderr, "%s: pmFetch: %s\n", pmProgname, pmErrStr(sts));
exit(1);
}
if (verbose)
printf(" %d value sets\n", todolist[todo].rp->numpmid);
if (todolist[todo].numpmid != todolist[todo].rp->numpmid)
printf("botch: %d metrics != %d value sets!\n",
todolist[todo].numpmid, todolist[todo].rp->numpmid);
next:
optind++;
todo++;
}
for (n = 0; n < todo; n++) {
if (todolist[todo-n-1].numpmid <= 0)
continue;
printf("%s: free names and result\n", todolist[todo-n-1].base);
for (j = 0; j < todolist[todo-n-1].numpmid; j++) {
free(todolist[todo-n-1].namelist[j]);
}
free(todolist[todo-n-1].namelist);
pmFreeResult(todolist[todo-n-1].rp);
}
/* reverse pmids in list */
for (n = 0; n < todo; n++) {
numpmid = todolist[n].numpmid;
for (j = 0; j < numpmid / 2; j++) {
pmid = todolist[n].pmidlist[numpmid-j-1];
todolist[n].pmidlist[numpmid-j-1] = todolist[n].pmidlist[j];
todolist[n].pmidlist[j] = pmid;
}
}
for (n = 0; n < todo; n++) {
if (todolist[n].numpmid <= 0)
continue;
printf("%s (reverse):\n", todolist[n].base);
if (verbose)
printf("... %d metrics,", todolist[n].numpmid);
sts = pmFetch(todolist[n].numpmid, todolist[n].pmidlist, &todolist[n].rp);
if (sts < 0) {
putchar('\n');
fprintf(stderr, "%s: pmFetch: %s\n", pmProgname, pmErrStr(sts));
exit(1);
}
if (todolist[n].numpmid != todolist[n].rp->numpmid)
printf("botch: %d metrics != %d value sets!\n",
todolist[n].numpmid, todolist[n].rp->numpmid);
if (verbose) {
printf(" %d value sets", todolist[n].rp->numpmid);
printf(" free result\n");
}
pmFreeResult(todolist[n].rp);
}
exit(0);
}
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