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/* ISC license. */
#include <skalibs/tai.h>
#include <s6-rc/s6rc-servicedir.h>
static int s6rc_servicedir_manage (char const *live, unsigned char const *state, unsigned int nlong, tain_t const *deadline)
{
#if 0
unsigned int livelen = str_len(live) ;
char
byte_copy(lfn + llen + 1, 12, "servicedirs") ;
byte_copy(cfn, llen + 1, lfn) ;
byte_copy(cfn + llen + 1, 21, "compiled/servicedirs") ;
if (!hiercopy(cfn, lfn))
{
cleanup() ;
strerr_diefu4sys(111, "recursively copy ", cfn, " to ", lfn) ;
}
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
dir = opendir(lfn) ;
if (!dir)
{
cleanup() ;
strerr_diefu2sys(111, "opendir ", lfn) ;
}
for (;;)
{
unsigned int thislen ;
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
thislen = str_len(d->d_name) ;
if (thislen > maxlen) maxlen = thislen ;
ndirs++ ;
}
if (errno)
{
int e = errno ;
dir_close(dir) ;
errno = e ;
cleanup() ;
strerr_diefu2sys(111, "readdir ", lfn) ;
}
if (ndirs)
{
ftrigr_t a = FTRIGR_ZERO ;
gid_t gid = getgid() ;
unsigned int i = 0 ;
int r ;
uint16 ids[ndirs] ;
char srcfn[llen + 23 + maxlen] ; /* XXX: unsafe if dir is writable by non-root */
char dstfn[llen + 9 + sizeof(S6_SVSCAN_CTLDIR "/control") + maxlen] ;
rewinddir(dir) ;
byte_copy(srcfn, llen + 12, lfn) ;
srcfn[llen + 12] = '/' ;
byte_copy(dstfn, llen, satmp.s) ;
byte_copy(dstfn + llen, 8, "/scandir") ;
dstfn[llen + 8] = '/' ;
if (!ftrigr_startf_g(&a, &deadline))
{
int e = errno ;
dir_close(dir) ;
errno = e ;
cleanup() ;
strerr_diefu1sys(111, "start event listener process") ;
}
for (;;)
{
unsigned int thislen ;
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
thislen = str_len(d->d_name) ;
byte_copy(srcfn + llen + 13, thislen, d->d_name) ;
byte_copy(srcfn + llen + 13 + thislen, 6, "/down") ;
if (!touch(srcfn))
{
cleanup() ;
strerr_diefu2sys(111, "touch ", srcfn) ;
}
byte_copy(srcfn + llen + 14 + thislen, 9, "log/down") ;
if (!touch(srcfn))
{
cleanup() ;
strerr_diefu2sys(111, "touch ", srcfn) ;
}
byte_copy(srcfn + llen + 14 + thislen, 6, "event") ;
if (!ftrigw_fifodir_make(srcfn, gid, 0))
{
cleanup() ;
strerr_diefu2sys(111, "make fifodir ", srcfn) ;
}
ids[i] = ftrigr_subscribe_g(&a, srcfn, "s", 0, &deadline) ;
if (!ids[i])
{
int e = errno ;
dir_close(dir) ;
errno = e ;
cleanup() ;
strerr_diefu2sys(111, "subscribe to ", srcfn) ;
}
srcfn[llen + 13 + thislen] = 0 ;
byte_copy(dstfn + llen + 9, thislen + 1, d->d_name) ;
if (symlink(srcfn, dstfn) < 0)
{
int e = errno ;
dir_close(dir) ;
errno = e ;
cleanup() ;
strerr_diefu4sys(111, "symlink ", srcfn, " to ", dstfn) ;
}
i++ ;
}
if (errno)
{
int e = errno ;
dir_close(dir) ;
errno = e ;
cleanup() ;
strerr_diefu2sys(111, "readdir ", lfn) ;
}
dir_close(dir) ;
byte_copy(dstfn + llen + 9, sizeof(S6_SVSCAN_CTLDIR "/control"), S6_SVSCAN_CTLDIR "/control") ;
r = s6_svc_write(dstfn, "a", 1) ;
if (r < 0)
{
cleanup() ;
strerr_diefu2sys(111, "write to ", dstfn) ;
}
if (!r) strerr_warnw2x("s6-svscan not running on ", argv[0]) ;
else
{
if (ftrigr_wait_and_g(&a, ids, ndirs, &deadline) < 0)
{
cleanup() ;
strerr_diefu1sys(111, "wait for s6-supervise processes to come up") ;
}
}
ftrigr_end(&a) ;
}
else dir_close(dir) ;
}
#endif
return 0 ;
}
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