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/*
* Clumsy hack to take snapshots and dumps.
*/
#include <u.h>
#include <libc.h>
void
usage(void)
{
fprint(2, "usage: fossil/dump [-i snap-interval] [-n name] fscons /n/fossil\n");
exits("usage");
}
char*
snapnow(void)
{
Tm t;
static char buf[100];
t = *localtime(time(0)-5*60*60); /* take dumps at 5:00 am */
sprint(buf, "archive/%d/%02d%02d", t.year+1900, t.mon+1, t.mday);
return buf;
}
void
main(int argc, char **argv)
{
int onlyarchive, cons, s;
ulong t, i;
char *name;
name = "main";
s = 0;
onlyarchive = 0;
i = 60*60; /* one hour */
ARGBEGIN{
case 'i':
i = atoi(EARGF(usage()));
if(i == 0){
onlyarchive = 1;
i = 60*60;
}
break;
case 'n':
name = EARGF(usage());
break;
case 's':
s = atoi(EARGF(usage()));
break;
}ARGEND
if(argc != 2)
usage();
if((cons = open(argv[0], OWRITE)) < 0)
sysfatal("open %s: %r", argv[0]);
if(chdir(argv[1]) < 0)
sysfatal("chdir %s: %r", argv[1]);
rfork(RFNOTEG);
switch(fork()){
case -1:
sysfatal("fork: %r");
case 0:
break;
default:
exits(0);
}
/*
* pause at boot time to let clock stabilize.
*/
if(s)
sleep(s*1000);
for(;;){
if(access(snapnow(), AEXIST) < 0)
fprint(cons, "\nfsys %s snap -a\n", name);
t = time(0);
sleep((i - t%i)*1000+200);
if(!onlyarchive)
fprint(cons, "\nfsys %s snap\n", name);
}
}
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