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/* ISC license. */
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <skalibs/bytestr.h>
#include <skalibs/types.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <skalibs/strerr.h>
#include <skalibs/stralloc.h>
#include <skalibs/djbunix.h>
#include <s6/supervise.h>
#define USAGE "s6-instance-delete [ -X ] [ -t timeout ] service instancename"
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv)
{
tain tto = TAIN_INFINITE_RELATIVE ;
size_t namelen ;
uint32_t options = 1 ;
PROG = "s6-instance-delete" ;
{
unsigned int t = 0 ;
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "Xt:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'X' : options &= ~1U ; break ;
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&tto, t) ;
}
if (argc < 2) dieusage() ;
if (!argv[0][0]) strerr_dief1x(100, "invalid service path") ;
namelen = strlen(argv[1]) ;
if (!argv[1][0] || argv[1][0] == '.' || byte_in(argv[1], namelen, " \t\f\r\n", 5) < namelen)
strerr_dief1x(100, "invalid instance name") ;
tain_now_set_stopwatch_g() ;
tain_add_g(&tto, &tto) ;
{
size_t svlen = strlen(argv[0]) ;
char sc[svlen + 12 + namelen] ;
memcpy(sc, argv[0], svlen) ;
memcpy(sc + svlen, "/instance", 10) ;
if (s6_supervise_unlink_names_g(sc, argv + 1, 1, options, &tto) == -1)
strerr_diefu4sys(111, "prepare deletion of instance ", argv[1], " of service ", argv[0]) ;
memcpy(sc + svlen + 9, "s/", 2) ;
memcpy(sc + svlen + 11, argv[1], namelen + 1) ;
rm_rf(sc) ;
}
return 0 ;
}
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