int main (int argc, char const *const *argv)
{
stralloc sa = STRALLOC_ZERO ;
for (;;)
{
struct tm tm ;
uint64 tt ;
time_t t ;
char *p ;
int r ;
char fmt[UINT64_FMT] ;
sa.len = 0 ;
r = skagetln(buffer_0, &sa, '\n') ;
if (r < 0) strerr_diefu1sys(111, "read from stdin") ;
if (!r) break ;
sa.s[sa.len-1] = 0 ;
if (!strptime(sa.s, "+%Y-%m-%d", &tm)) continue ;
tm.tm_sec = 59 ;
tm.tm_min = 59 ;
tm.tm_hour = 23 ;
t = mktime(&tm) ;
if (t < 0) strerr_diefu1sys(111, "mktime") ;
tt = t + 10 ;
add_leapsecs(&tt) ;
if (!genalloc_append(uint64, &table, &tt))
strerr_diefu1sys(111, "genalloc_append") ;
fmt[uint64_fmt(fmt, tt)] = 0 ;
buffer_puts(buffer_1, " TAI_MAGIC + ") ;
buffer_puts(buffer_1, fmt) ;
buffer_puts(buffer_1, ",\n") ;
}
buffer_unput(buffer_1, 2) ;
buffer_putsflush(buffer_1, "\n") ;
return 0 ;
}
static int slurplines (genalloc *lines, char sep)
{
unsigned int i = 0 ;
for (;; i++)
{
stralloc sa = STRALLOC_ZERO ;
int r = skagetln(buffer_0, &sa, sep) ;
if (!r) break ;
if ((r < 0) && ((errno != EPIPE) || !stralloc_catb(&sa, &sep, 1)))
return -1 ;
stralloc_shrink(&sa) ;
if (!genalloc_append(stralloc, lines, &sa)) return -1 ;
}
return (int)i ;
}
static void scanlist (genalloc *list, char const *s)
{
register unsigned int i = 0 ;
genalloc_setlen(diuint, list, 0) ;
while (s[i])
{
char const sep[4] = ", \t" ;
diuint iv ;
if (s[i] == '-') iv.left = 1 ;
else
{
unsigned int j = uint_scan(s+i, &iv.left) ;
if (!j || !iv.left) strerr_dief2x(100, "invalid list argument: ", s) ;
i += j ;
}
if (s[i] != '-') iv.right = iv.left ;
else
{
unsigned int j = uint_scan(s + ++i, &iv.right) ;
if (!j) iv.right = 0 ;
else if (iv.right < iv.left)
strerr_dief2x(100, "invalid list argument: ", s) ;
else i += j ;
}
switch (byte_chr(sep, 4, s[i]))
{
case 0 :
case 1 :
case 2 : i++ ;
case 3 : break ;
case 4 :
strerr_dief2x(100, "invalid list argument: ", s) ;
}
if (!genalloc_append(diuint, list, &iv))
strerr_diefu1sys(111, "build interval list") ;
}
}
int main (void)
{
stralloc indata = STRALLOC_ZERO ;
unsigned int instate = 0 ;
PROG = "s6-ftrigrd" ;
if (ndelay_on(0) < 0) strerr_diefu2sys(111, "ndelay_on ", "0") ;
if (ndelay_on(1) < 0) strerr_diefu2sys(111, "ndelay_on ", "1") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;
{
struct taia deadline, stamp ;
taia_now(&stamp) ;
taia_addsec(&deadline, &stamp, 2) ;
if (!skaserver2_sync(&asyncout, FTRIGR_BANNER1, FTRIGR_BANNER1_LEN, FTRIGR_BANNER2, FTRIGR_BANNER2_LEN, &deadline, &stamp))
strerr_diefu1sys(111, "sync with client") ;
}
for (;;)
{
register unsigned int n = genalloc_len(ftrigio_t, &a) ;
iopause_fd x[3 + n] ;
unsigned int i = 0 ;
int r ;
x[0].fd = 0 ; x[0].events = IOPAUSE_EXCEPT | IOPAUSE_READ ;
x[1].fd = 1 ; x[1].events = IOPAUSE_EXCEPT | (bufalloc_len(bufalloc_1) ? IOPAUSE_WRITE : 0) ;
x[2].fd = bufalloc_fd(&asyncout) ; x[2].events = IOPAUSE_EXCEPT | (bufalloc_len(&asyncout) ? IOPAUSE_WRITE : 0) ;
for (; i < n ; i++)
{
register ftrigio_t_ref p = genalloc_s(ftrigio_t, &a) + i ;
p->xindex = 3 + i ;
x[3+i].fd = p->trig.fd ;
x[3+i].events = IOPAUSE_READ ;
}
r = iopause(x, 3 + n, 0, 0) ;
if (r < 0)
{
cleanup() ;
strerr_diefu1sys(111, "iopause") ;
}
/* client closed => exit */
if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT) break ;
/* client reading => flush pending data */
if (x[1].revents & IOPAUSE_WRITE)
if ((bufalloc_flush(bufalloc_1) == -1) && !error_isagain(errno))
{
cleanup() ;
strerr_diefu1sys(111, "flush stdout") ;
}
if (x[2].revents & IOPAUSE_WRITE)
if ((bufalloc_flush(&asyncout) == -1) && !error_isagain(errno))
{
cleanup() ;
strerr_diefu1sys(111, "flush asyncout") ;
}
/* scan listening ftrigs */
for (i = 0 ; i < genalloc_len(ftrigio_t, &a) ; i++)
{
register ftrigio_t_ref p = genalloc_s(ftrigio_t, &a) + i ;
if (x[p->xindex].revents & IOPAUSE_READ)
{
char c ;
register int r = sanitize_read(fd_read(p->trig.fd, &c, 1)) ;
if (!r) continue ;
if (r < 0)
{
trig(p->id, 'd', errno) ;
remove(i--) ;
}
else if (!sredfa_feed(p->re, &p->dfastate, c))
{
trig(p->id, 'd', ENOEXEC) ;
remove(i--) ;
}
else if (p->dfastate & SREDFA_ACCEPT)
{
trig(p->id, '!', c) ;
if (p->options & FTRIGR_REPEAT)
p->dfastate = SREDFA_START ;
else remove(i--) ;
}
}
}
/* client writing => get data and parse it */
if (buffer_len(buffer_0small) || x[0].revents & IOPAUSE_READ)
{
int r ;
for (;;)
{
uint16 id ;
r = sanitize_read(netstring_get(buffer_0small, &indata, &instate)) ;
if (r <= 0) break ;
if (indata.len < 3)
{
cleanup() ;
strerr_dief1x(100, "invalid client request") ;
}
uint16_unpack_big(indata.s, &id) ;
switch (indata.s[2]) /* protocol parsing */
{
case 'U' : /* unsubscribe */
{
register unsigned int i = genalloc_len(ftrigio_t, &a) ;
for (; i ; i--) if (genalloc_s(ftrigio_t, &a)[i-1].id == id) break ;
if (i) remove(i-1) ;
answer(0) ;
break ;
}
case 'L' : /* subscribe to path and match re */
{
ftrigio_t f = FTRIGIO_ZERO ;
uint32 pathlen, relen ;
if (indata.len < 18)
{
answer(EPROTO) ;
break ;
}
uint32_unpack_big(indata.s + 3, &f.options) ;
uint32_unpack_big(indata.s + 7, &pathlen) ;
uint32_unpack_big(indata.s + 11, &relen) ;
if (((pathlen + relen + 16) != indata.len) || indata.s[15 + pathlen])
{
answer(EPROTO) ;
break ;
}
f.id = id ;
if (!stralloc_0(&indata))
{
answer(errno) ;
break ;
}
f.re = sredfa_new() ;
if (!f.re)
{
answer(errno) ;
break ;
}
if (!sredfa_from_regexp(f.re, indata.s + 16 + pathlen)
|| !ftrig1_make(&f.trig, indata.s + 15))
{
sredfa_delete(f.re) ;
answer(errno) ;
break ;
}
if (!genalloc_append(ftrigio_t, &a, &f))
{
ftrigio_deepfree(&f) ;
answer(errno) ;
break ;
}
answer(0) ;
break ;
}
default :
{
cleanup() ;
strerr_dief1x(100, "invalid client request") ;
}
}
indata.len = 0 ;
} /* end loop: parse input from client */
if (r < 0)
{
if (errno == EPIPE) break ; /* client closed */
else
{
cleanup() ;
strerr_diefu1sys(111, "read a netstring") ;
}
}
} /* end if: stuff to read on stdin */
} /* end loop: main iopause */
cleanup() ;
return 0 ;
}