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/*
* Copyright (c) 2013-2014 Red Hat.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
void
set_tm(struct timeval *ntv, struct tm *ntm, struct tm *btm, int mon,
int mday, int hour, int min)
{
memcpy(ntm, btm, sizeof(struct tm));
if (mon > 0)
ntm->tm_mon = mon;
if (mday > 0)
ntm->tm_mday = mday;
if (hour > 0)
ntm->tm_hour = hour;
if (min > 0)
ntm->tm_min = min;
if (ntv != NULL) {
ntv->tv_sec = mktime(ntm);
ntv->tv_usec = 0;
}
}
void
dump_dt(char *str, struct tm *atm)
{
int pfx;
printf("\"%s\"%n", str, &pfx);
printf("%*s", 31 - pfx, " ");
printf("%d-%.2d-%.2d %.2d:%.2d:%.2d\n",
atm->tm_year + 1900,
atm->tm_mon + 1,
atm->tm_mday, atm->tm_hour, atm->tm_min, atm->tm_sec);
}
int
main(int argc, char *argv[])
{
struct timeval tvstart; // .tv_sec .tv_usec
struct timeval tvend;
struct timeval tvrslt;
struct tm tmstart; // .tm_sec .tm_min .tm_hour .tm_mday
// .tm_mon .tm_year .tm_wday .tm_yday
struct tm tmend;
struct tm tmrslt;
struct tm tmtmp;
time_t ttstart;
char buffer[256];
char *errmsg;
char *tmtmp_str;
ttstart = 1392649730; // time(&ttstart) => time_t
ttstart = 1390057730;
tvstart.tv_sec = ttstart;
tvstart.tv_usec = 0;
localtime_r(&ttstart, &tmstart); // time_t => tm
set_tm(&tvend, &tmend, &tmstart, 0, 27, 11, 28);
dump_dt("start ", &tmstart);
dump_dt("end ", &tmend);
printf("These time terms are relative to the start/end time.\n"
"#1 __pmParseTime #2 pmParseTimeWindow/Start #3 pmParseTimeWindow/End.\n");
set_tm(NULL, &tmtmp, &tmstart, 0, 19, 11, 45);
tmtmp_str = asctime(&tmtmp);
char *tmtmp_c = strchr(tmtmp_str, '\n');
*tmtmp_c = ' ';
if (__pmParseTime(tmtmp_str, &tvstart, &tvend, &tvrslt, &errmsg) != 0) {
printf ("%s: %s\n", errmsg, tmtmp_str);
}
localtime_r(&tvrslt.tv_sec, &tmrslt); // time_t => tm
dump_dt(tmtmp_str, &tmrslt);
// See strftime for a description of the % formats
char *strftime_fmt[] = {
"+1minute",
"-1 minute",
"-1minute",
"%F",
"%D",
"%D %r",
"%D %r -1month",
"%D %r tomorrow",
"%D %r yesterday",
"%D %R",
"%D %T",
"%d %b %Y %X",
"1 day ago",
"1 week ago",
"@%F",
"@%D",
"@%D %r",
"@%D %R",
"@%D %T",
"@%D %T GMT",
"@%d %b %Y %X",
"@next day",
"@1 day ago",
"1 day",
"5 minutes 5 seconds",
"last week",
"last day",
"next day",
// relative to current time terms begin here
"now",
"today",
"@yesterday",
"yesterday",
"tomorrow",
"sunday",
"first sunday",
"last monday",
"next tuesday"
};
int sfx;
for (sfx = 0; sfx < (sizeof(strftime_fmt) / sizeof(void *)); sfx++) {
int len = strftime(buffer, sizeof(buffer), strftime_fmt[sfx], &tmtmp);
if (len != 0) {
struct timeval rsltStart;
struct timeval rsltEnd;
struct timeval rsltOffset;
if (strcmp(strftime_fmt[sfx], "now") == 0)
printf
("These time terms for a specific day are relative to the current time.\n");
if (__pmParseTime(buffer, &tvstart, &tvend, &tvrslt, &errmsg) != 0) {
printf ("%s: %s\n", errmsg, tmtmp_str);
}
localtime_r(&tvrslt.tv_sec, &tmrslt); // time_t => tm
dump_dt(buffer, &tmrslt);
if (pmParseTimeWindow(buffer, NULL, NULL, NULL, &tvstart, &tvend, &rsltStart, &rsltEnd, &rsltOffset, &errmsg) < 0) {
printf ("%s: %s\n", errmsg, tmtmp_str);
}
localtime_r(&rsltStart.tv_sec, &tmrslt); // time_t => tm
dump_dt(buffer, &tmrslt);
localtime_r(&rsltEnd.tv_sec, &tmrslt); // time_t => tm
dump_dt(buffer, &tmrslt);
}
else
printf("strftime format \"%s\" not recognized\n",
strftime_fmt[sfx]);
}
return 0;
}
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