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/* ISC license. */
#include <sys/wait.h>
#include <string.h>
#include <unistd.h>
#include <skalibs/posixplz.h>
#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <skalibs/cspawn.h>
#include <skalibs/djbunix.h>
#include <s6-rc/config.h>
#include <s6-rc/repo.h>
static int notfound (uint32_t k, uint32_t const *tab, uint32_t n)
{
for (uint32_t i = 0 ; i < n ; i++) if (k == tab[i]) return 0 ;
return 1 ;
}
int s6rc_repo_badpipeline (char const *repo, char const *set, size_t svind, s6rc_repo_sv const *svlist, uint32_t ntot, uint8_t newsub, stralloc *sa, genalloc *badga)
{
size_t sabase = sa->len ;
size_t gabase = genalloc_len(uint32_t, badga) ;
size_t repolen = strlen(repo) ;
pid_t pid ;
int fd ;
int wstat ;
size_t mark = sabase ;
char refdb[repolen + 15] ;
char const *argv[8] = { S6RC_BINPREFIX "s6-rc-db", "-c", refdb, "-b", "--", "pipeline", sa->s + svind, 0 } ;
memcpy(refdb, repo, repolen) ;
memcpy(refdb + repolen, "/compiled/.ref", 15) ;
pid = child_spawn1_pipe(argv[0], argv, (char const *const *)environ, &fd, 1) ;
if (!pid) { strerr_warnfu2sys("spawn ", argv[0]) ; return 111 ; }
if (!slurpn(fd, sa, 0)) { strerr_warnfu2sys("read output from ", argv[0]) ; return 111 ; }
fd_close(fd) ;
if (wait_pid(pid, &wstat) == -1)
{
strerr_warnfu2sys("wait for ", argv[0]) ;
return 111 ;
}
if (WIFSIGNALED(wstat))
{
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, WTERMSIG(wstat))] = 0 ;
strerr_warnf3x(argv[0], " crashed with signal ", fmt) ;
return wait_estatus(wstat) ;
}
if (WEXITSTATUS(wstat) == 5) return 0 ;
if (WEXITSTATUS(wstat))
{
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, WEXITSTATUS(wstat))] = 0 ;
strerr_warnf3x(argv[0], " exited with code ", fmt) ;
return WEXITSTATUS(wstat) ;
}
for (size_t pos = sabase ; pos < sa->len ; pos++)
{
if (sa->s[pos] == '/' || sa->s[pos] == '\n')
{
sa->s[pos] = 0 ;
if (strcmp(sa->s + mark, sa->s + svind))
{
uint32_t k ;
s6rc_repo_sv *p = bsearchr(sa->s + mark, svlist, ntot, sizeof(s6rc_repo_sv), &s6rc_repo_sv_bcmpr, sa->s) ;
if (!p)
{
strerr_warnfu("find service ", sa->s + mark, " in set ", set, " of repository ", repo) ;
goto err ;
}
k = p - svlist ;
if (!newsub != !p->sub && notfound(k, genalloc_s(uint32_t, badga), genalloc_len(uint32_t, badga)))
{
if (!genalloc_append(uint32_t, badga, &k))
{
strerr_warnfu1sys("make bad pipeline list") ;
goto err ;
}
}
}
mark = pos + 1 ;
}
}
sa->len = sabase ;
return 0 ;
err:
sa->len = sabase ;
genalloc_setlen(uint32_t, badga, gabase) ;
return 111 ;
}
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