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/* ISC license. */
#include <string.h>
#include <errno.h>
#include <skalibs/direntry.h>
#include <skalibs/stralloc.h>
#include <s6/s6-supervise.h>
#include <s6-rc/s6rc-servicedir.h>
int s6rc_servicedir_manage (char const *live, char const *prefix, tain const *deadline, tain *stamp)
{
stralloc names = STRALLOC_ZERO ;
size_t livelen = strlen(live) ;
size_t n = 0 ;
DIR *dir ;
char dirfn[livelen + 13] ;
memcpy(dirfn, live, livelen) ;
memcpy(dirfn + livelen, "/servicedirs", 13) ;
dir = opendir(dirfn) ;
if (!dir) return -1 ;
for (;;)
{
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
if (!stralloc_catb(&names, dirfn, livelen + 12)
|| !stralloc_catb(&names, "/", 1)
|| !stralloc_cats(&names, d->d_name)
|| !stralloc_0(&names)) goto err ;
n++ ;
}
if (errno) goto err ;
dir_close(dir) ;
if (!n) return 0 ;
memcpy(dirfn + livelen + 1, "scandir", 8) ;
{
char const *p = names.s ;
char const *servicedirs[n] ;
int r ;
for (size_t i = 0 ; i < n ; p += strlen(p) + 1) servicedirs[i++] = p ;
r = s6_supervise_link(dirfn, servicedirs, n, prefix, 4, deadline, stamp) ;
stralloc_free(&names) ;
return r ;
}
err:
dir_close(dir) ;
stralloc_free(&names) ;
return -1 ;
}
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