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/*
* Copyright (c) 2014 Red Hat.
*
* Exercise the pmGetOptions() series of PMAPI interfaces
*/
#include <pcp/pmapi.h>
int
getversion(void)
{
int version = 0;
char *value;
if ((value = getenv("PMAPI_VERSION")) != NULL)
version = atoi(value);
return version;
}
int
getflags(void)
{
int flags = 0;
if (getenv("PM_OPTFLAG_MULTI") != NULL)
flags |= PM_OPTFLAG_MULTI;
if (getenv("PM_OPTFLAG_POSIX") != NULL)
flags |= PM_OPTFLAG_POSIX;
if (getenv("PM_OPTFLAG_MIXED") != NULL)
flags |= PM_OPTFLAG_MIXED;
if (getenv("PM_OPTFLAG_ENV_ONLY") != NULL)
flags |= PM_OPTFLAG_ENV_ONLY;
if (getenv("PM_OPTFLAG_LONG_ONLY") != NULL)
flags |= PM_OPTFLAG_LONG_ONLY;
if (getenv("PM_OPTFLAG_BOUNDARIES") != NULL)
flags |= PM_OPTFLAG_BOUNDARIES;
if (getenv("PM_OPTFLAG_STDOUT_TZ") != NULL)
flags |= PM_OPTFLAG_STDOUT_TZ;
return flags;
}
char *
flagsstr(pmOptions *opts)
{
static char flags[128];
if (opts->flags & PM_OPTFLAG_INIT)
strcat(flags, ",init");
if (opts->flags & PM_OPTFLAG_DONE)
strcat(flags, ",done");
if (opts->flags & PM_OPTFLAG_MULTI)
strcat(flags, ",multi");
if (opts->flags & PM_OPTFLAG_USAGE_ERR)
strcat(flags, ",usage_err");
if (opts->flags & PM_OPTFLAG_RUNTIME_ERR)
strcat(flags, ",runtime_err");
if (opts->flags & PM_OPTFLAG_EXIT)
strcat(flags, ",exit");
if (opts->flags & PM_OPTFLAG_POSIX)
strcat(flags, ",posix");
if (opts->flags & PM_OPTFLAG_MIXED)
strcat(flags, ",mixed");
if (opts->flags & PM_OPTFLAG_ENV_ONLY)
strcat(flags, ",env_only");
if (opts->flags & PM_OPTFLAG_LONG_ONLY)
strcat(flags, ",long_only");
if (opts->flags & PM_OPTFLAG_BOUNDARIES)
strcat(flags, ",boundaries");
if (opts->flags & PM_OPTFLAG_STDOUT_TZ)
strcat(flags, ",stdout_tz");
if (flags[0] == '\0') /* no flags */
flags[1] = '-';
return &flags[1];
}
char *
contextstr(pmOptions *opts)
{
if (opts->context == PM_CONTEXT_HOST)
return "host";
if (opts->context == PM_CONTEXT_ARCHIVE)
return "archive";
if (opts->context == PM_CONTEXT_LOCAL)
return "local";
return "-";
}
char *
timevalstr(struct timeval *tp)
{
struct tm tmp;
time_t then;
int msecs = tp->tv_usec / 1000;
int len;
static char tv[128];
if (tp->tv_sec == 0)
return "-";
memset(tv, 0, sizeof(tv));
then = (time_t)tp->tv_sec;
pmLocaltime(&then, &tmp);
len = sprintf(tv, "%s", asctime(&tmp));
sprintf(&tv[len-1], " [msec=%d]", msecs);
return tv;
}
char *
intervalstr(struct timeval *tp)
{
struct tm tmp;
time_t then;
int msecs = tp->tv_usec / 1000;
static char it[128];
if (tp->tv_sec == 0)
return "-";
memset(it, 0, sizeof(it));
then = (time_t)tp->tv_sec;
pmLocaltime(&then, &tmp);
sprintf(it, "%02d:%02d.%03d", tmp.tm_min, tmp.tm_sec, msecs);
return it;
}
char *
isempty(char *string)
{
if (string == NULL)
return "-";
return string;
}
void
dumpall(pmOptions *opts)
{
int i;
printf("Options structure dump:\n");
printf(" version: %d\n", opts->version);
printf(" flags: 0x%x (%s)\n", opts->flags, flagsstr(opts));
printf(" errors: %d\n", opts->errors);
printf(" context: 0x%x (%s)\n", opts->context, contextstr(opts));
printf(" nhosts: %d\n", opts->nhosts);
if (opts->nhosts > 0) {
printf(" hosts: %s", opts->hosts[0]);
for (i = 1; i < opts->nhosts; i++)
printf(",%s", opts->hosts[i]);
printf("\n");
}
printf(" narchives: %d\n", opts->narchives);
if (opts->narchives > 0) {
printf(" archives: %s", opts->archives[0]);
for (i = 1; i < opts->narchives; i++)
printf(",%s", opts->archives[i]);
printf("\n");
}
printf(" start: %s\n", timevalstr(&opts->start));
printf(" finish: %s\n", timevalstr(&opts->finish));
printf(" origin: %s\n", timevalstr(&opts->finish));
printf(" interval: %s\n", intervalstr(&opts->interval));
printf(" align_optarg: %s\n", isempty(opts->align_optarg));
printf(" start_optarg: %s\n", isempty(opts->start_optarg));
printf(" finish_optarg: %s\n", isempty(opts->finish_optarg));
printf(" origin_optarg: %s\n", isempty(opts->origin_optarg));
printf(" guiport_optarg: %s\n", isempty(opts->guiport_optarg));
printf(" timezone: %s\n", isempty(opts->timezone));
printf(" samples: %d\n", opts->samples);
printf(" guiport: %d\n", opts->guiport);
printf(" guiflag: %d\n", opts->guiflag);
printf(" tzflag: %d\n", opts->tzflag);
printf(" Lflag: %d\n", opts->Lflag);
}
int
main(int argc, char *argv[])
{
pmLongOptions longopts[] = {
PMAPI_GENERAL_OPTIONS,
PMAPI_OPTIONS_HEADER("Context options"),
PMOPT_SPECLOCAL,
PMOPT_LOCALPMDA,
PMOPT_HOSTSFILE,
PMOPT_HOST_LIST,
PMOPT_ARCHIVE_LIST,
PMOPT_ARCHIVE_FOLIO,
PMAPI_OPTIONS_HEADER("Testing options"),
{ "extra", 0, 'x', 0, "an extra option, for testing" },
{ "eXtra", 1, 'X', "ARG", "an extra option with an argument" },
{ "", 0, 'y', 0, "a short-option-only without argument" },
{ "", 1, 'Y', "N", "a short-option-only with an argument" },
{ "fubar", 0, 0, 0, "a long-option-only without argument" },
{ "foobar", 1, 0, "N", "a long-option-only with an argument" },
PMAPI_OPTIONS_END
};
pmOptions opts = {
.short_options = PMAPI_OPTIONS "H:K:L" "XxYy",
.long_options = longopts,
};
char *tz;
int c;
opts.version = getversion();
opts.flags = getflags();
while ((c = pmGetOptions(argc, argv, &opts)) != EOF) {
printf("Got option: %c index=%d [errors=%d]\n", c? c: '-', opts.index, opts.errors);
switch(c) {
case 'x':
printf(" -> x option has no argument\n");
break;
case 'X':
printf(" -> X option argument was: '%s'\n", opts.optarg);
break;
case 'y':
printf(" -> y option has no argument\n");
break;
case 'Y':
printf(" -> Y option argument was: '%s'\n", opts.optarg);
break;
case 0: /* long-only options */
printf(" -> long-only option index=%d\n", opts.index);
break;
default:
printf(" -> unexpected option: '%c'\n", c);
pmUsageMessage(&opts);
exit(1);
}
}
printf("End of option processing\n");
if (opts.flags & PM_OPTFLAG_USAGE_ERR)
fprintf(stderr, "Warning: usage error detected\n");
if (opts.flags & PM_OPTFLAG_RUNTIME_ERR)
fprintf(stderr, "Warning: runtime error detected\n");
if (opts.padding != 0)
fprintf(stderr, "Warning: non-zero padding\n");
if (opts.zeroes != 0)
fprintf(stderr, "Warning: unexpected non-zeroes\n");
if (opts.flags & PM_OPTFLAG_USAGE_ERR)
pmUsageMessage(&opts);
if (opts.flags & PM_OPTFLAG_RUNTIME_ERR)
pmflush();
if (opts.timezone) /* ensure we have deterministic output */
tz = opts.timezone;
else
tz = "UTC";
if ((c = pmNewZone(tz)) < 0)
fprintf(stderr, "Warning: TZ failure - %s: %s\n",
opts.timezone, pmErrStr(c));
dumpall(&opts);
pmFreeOptions(&opts);
exit(0);
}
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