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/* ISC license. */
#include <string.h>
#include <stdlib.h>
#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <s6/fdholder.h>
#define USAGE "s6-fdholder-setdump [ -t timeout ] socket"
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv)
{
s6_fdholder_t a = S6_FDHOLDER_ZERO ;
tain deadline ;
unsigned int dumplen ;
char const *x ;
PROG = "s6-fdholder-setdump" ;
{
unsigned int t = 0 ;
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&deadline, t) ;
else deadline = tain_infinite_relative ;
}
if (!argc) dieusage() ;
x = getenv("S6_FD#") ;
if (!x) strerr_dienotset(100, "S6_FD#") ;
if (!uint0_scan(x, &dumplen)) strerr_dieinvalid(100, "S6_FD#") ;
tain_now_set_stopwatch_g() ;
tain_add_g(&deadline, &deadline) ;
if (!s6_fdholder_start_g(&a, argv[0], &deadline))
strerr_diefu2sys(111, "connect to a fd-holder daemon at ", argv[0]) ;
if (dumplen)
{
unsigned int i = 0 ;
s6_fdholder_fd_t dump[dumplen] ;
char s[11 + UINT_FMT] ;
for (; i < dumplen ; i++)
{
size_t len ;
unsigned int fd ;
memcpy(s, "S6_FD_", 6) ;
s[6 + uint_fmt(s+6, i)] = 0 ;
x = getenv(s) ;
if (!x) strerr_dienotset(100, s) ;
if (!uint0_scan(x, &fd)) strerr_dieinvalid(100, s) ;
dump[i].fd = fd ;
memcpy(s, "S6_FDID_", 8) ;
s[8 + uint_fmt(s+8, i)] = 0 ;
x = getenv(s) ;
if (!x) strerr_dienotset(100, s) ;
len = strlen(x) ;
if (!len || len > S6_FDHOLDER_ID_SIZE) strerr_dieinvalid(100, s) ;
memcpy(dump[i].id, x, len+1) ;
memcpy(s, "S6_FDLIMIT_", 11) ;
s[11 + uint_fmt(s+11, i)] = 0 ;
x = getenv(s) ;
if (!x) tain_add_g(&dump[i].limit, &tain_infinite_relative) ;
else if (!timestamp_scan(x, &dump[i].limit)) strerr_dieinvalid(100, s) ;
}
if (!s6_fdholder_setdump_g(&a, dump, dumplen, &deadline))
strerr_diefu1sys(1, "set dump") ;
}
return 0 ;
}
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