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/* ISC license. */
#include <string.h>
#include <skalibs/types.h>
#include <skalibs/buffer.h>
#include <skalibs/strerr2.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <skalibs/stralloc.h>
#include <skalibs/skamisc.h>
#include <s6/s6-fdholder.h>
#define USAGE "s6-fdholder-list [ -t timeout ] socket"
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv)
{
s6_fdholder_t a = S6_FDHOLDER_ZERO ;
stralloc sa = STRALLOC_ZERO, sb = STRALLOC_ZERO ;
size_t pos = 0 ;
int n ;
tain_t deadline ;
PROG = "s6-fdholder-list" ;
{
unsigned int t = 0 ;
subgetopt_t 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() ;
tain_now_set_stopwatch() ;
tain_now_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]) ;
n = s6_fdholder_list_g(&a, &sa, &deadline) ;
if (n < 0) strerr_diefu1sys(1, "get fd list") ;
while (n--)
{
size_t len = strlen(sa.s + pos) ;
sb.len = 0 ;
if (!string_quote_nodelim_mustquote(&sb, sa.s + pos, len, 0, 0))
strerr_diefu1sys(111, "quote string") ;
if (buffer_put(buffer_1, sb.s, sb.len) < sb.len || buffer_put(buffer_1, "\n", 1) < 1)
strerr_diefu1sys(111, "buffer_put") ;
pos += len+1 ;
}
stralloc_free(&sb) ;
stralloc_free(&sa) ;
if (!buffer_flush(buffer_1)) strerr_diefu1sys(111, "write to stdout") ;
return 0 ;
}
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