/*
* frametimes.c Read FAHlog.txt and calculate frame times
*
* ~$cc frametimes.c; ./a.out; ./a.out -v; cp a.out frametimes
* Runs in ~/Library/Folding@home as ~$./frametimes
* (I do ~$sudo cp wutime /usr/local/bin/ft)
* Requires FAHlog.txt to be present, can read FAHlog-Prev.txt with -p.
* Looong output with -v, over 760 lines for me now.
* (I do ~$./frametimes -v | wc -l [to see its size])
* (and ~$./frametimes -v | grep Error [to see the bad times])
*
* stevew Folding@home Forum mar-4-2010
* Team Hack-a-Day 44851
*
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define NULLP (char *)NULL
#define NULLFP (FILE *)NULL

void
usage()
{
printf("There are two flags: -v and -p\n");
printf(" -v prints all individual frame times.\n");
printf(" -p uses FAHlog-Prev.txt instead of FAHlog.txt\n");
printf(" flags need to be separate -p -v, not -pv\n");
printf("\n floor and ceiling times are +/- 30%% average of 1st pass\n");

}

float
hms2fsec(buf)
char *buf;
{
float dtime;

/* [hh:mm:ss] into seconds */
dtime = atof(&buf[1]) * 3600 + atof(&buf[4]) * 60 + atof(&buf[7]);

return (dtime);
}

int
main(int argc, char *argv[])
{
char *p, buf[128], *FileName = "FAHlog.txt\0";;
float prevtime, dtime, sum, count, temp;
float floor = 14.4; /* 24 hour completion */
float ceiling = 86.0; /* 6 day time limit */
FILE *fp;
int i, PASS, total_lines, trash_lines = 0;
int PRINTframe = 0, bad_time = 0;
int TWOpasses = 1;

prevtime = dtime = sum = count = temp = 0.0;

i = 1;
while (--argc) {
/* is flag? */
if (*(p = argv[i]) == '-' && p[1] == 'v') {
PRINTframe = 1;
++i;
continue;
}
if (*(p = argv[i]) == '-' && p[1] == 'p') {
FileName = "FAHlog-Prev.txt\0";
++i;
continue;
}
usage();
return (0);
}

printf("Reading %s\n", FileName);
if ((fp = fopen(FileName, "r")) == NULLFP) {
printf("Could not open %s\n", FileName);
return (-1);
}
for (PASS = 1; PASS <= 2; ++PASS) {
while (fgets(buf, 128, fp) != NULLP) {
++total_lines;
if (strstr(buf, "(0%)\0") != NULLP) {
printf("Here's where totals should print.\n");
prevtime = hms2fsec(buf);
}
if (strstr(buf, "out of\0") != NULLP) {
dtime = hms2fsec(buf);
/* test for negative, true? add 24:00 hours */
if ((dtime - prevtime) / 60 < 0)
temp = (dtime - prevtime + 86400) / 60;
else
temp = (dtime - prevtime) / 60;
if (temp > floor && temp < ceiling) {
if (PRINTframe && PASS == 2)
printf("frame time %4.2f\n", temp);
sum += temp;
count++;
prevtime = dtime;
} else if (PRINTframe && PASS == 2) {
printf("Error bad frame time %4.2f\n", temp);
++bad_time;
}
prevtime = dtime;
} else {
++trash_lines;
}
}
/* +/- 10% bounding */
floor = 0.7 * (sum / count);
ceiling = 1.3 * (sum / count);
if (PASS == 1) {
trash_lines = total_lines = bad_time = 0;
sum = count = 0.0;
rewind(fp);
}
} /* end PASS */
printf("Average frame time: %4.2f, ", (sum / count));
printf("Frames counted = %3.0f\n", count);
if (PRINTframe) {
printf("total lines read = %d, bad time = %d, trash lines = %d\n",
total_lines, bad_time, trash_lines);
}
printf("------------------------------\n");
return (0);
}