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#include "mytime.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
bool fake_time;
struct timespec global_time;
struct timespec get_current_time() {
if(fake_time) {
return global_time;
}
struct timespec val;
if(clock_gettime(CLOCK_REALTIME, &val) != 0) {
abort();
}
return val;
}
void enable_fake_time() {
assert(!fake_time);
global_time = (struct timespec){
.tv_sec = 0,
.tv_nsec = 0,
};
fake_time = true;
}
void progress_time(uint64_t diff) {
assert(fake_time);
// Right now the diff is only seconds resolution
global_time.tv_sec += diff;
}
struct timespec time_from_double(double t) {
double fraction;
double integral;
fraction = modf(t, &integral);
return (struct timespec) {
.tv_sec = integral,
.tv_nsec = fraction * 1000000000.0,
};
}
struct formatted_time format_time(struct timespec time) {
struct formatted_time res = {0};
struct tm tm;
gmtime_r(&time.tv_sec, &tm);
if(strftime(res.buf, 32, "%Y-%m-%d %H:%M:%S", &tm) >= 32) {
abort();
}
return res;
}
struct formatted_time format_duration(struct timespec time) {
struct formatted_time res = {0};
int hours = time.tv_sec / 3600;
int mins = (time.tv_sec % 3600) / 60;
int secs = time.tv_sec % 60;
if (hours > 0) {
snprintf(res.buf, 32, "%dh %02dm %02ds", hours, mins, secs);
} else if (mins > 0) {
snprintf(res.buf, 32, "%dm %02ds", mins, secs);
} else {
snprintf(res.buf, 32, "%ds", secs);
}
return res;
}
struct timespec time_sub(const struct timespec *t1, const struct timespec *t2) {
assert(t1);
assert(t2);
struct timespec diff = {
.tv_sec = t1->tv_sec - t2->tv_sec,
.tv_nsec = t1->tv_nsec - t2->tv_nsec
};
if (diff.tv_nsec < 0) {
diff.tv_nsec += 1000000000;
diff.tv_sec--;
}
return diff;
}
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