int socket_timeoutconn (int s, char const *ip, uint16 port, unsigned int timeout)
{
struct taia stamp, deadline ;
taia_now(&stamp) ;
taia_addsec(&deadline, &stamp, timeout) ;
return socket_deadlineconnstamp4(s, ip, port, &deadline, &stamp) ;
}
ssize_t http_sendiovecdata( const int64 sock, struct ot_workstruct *ws, int iovec_entries, struct iovec *iovector ) {
struct http_data *cookie = io_getcookie( sock );
char *header;
int i;
size_t header_size, size = iovec_length( &iovec_entries, &iovector );
tai6464 t;
/* No cookie? Bad socket. Leave. */
if( !cookie ) {
iovec_free( &iovec_entries, &iovector );
HTTPERROR_500;
}
/* If this socket collected request in a buffer, free it now */
array_reset( &cookie->request );
/* If we came here, wait for the answer is over */
cookie->flag &= ~STRUCT_HTTP_FLAG_WAITINGFORTASK;
/* Our answers never are 0 vectors. Return an error. */
if( !iovec_entries ) {
HTTPERROR_500;
}
/* Prepare space for http header */
header = malloc( SUCCESS_HTTP_HEADER_LENGTH + SUCCESS_HTTP_HEADER_LENGTH_CONTENT_ENCODING );
if( !header ) {
iovec_free( &iovec_entries, &iovector );
HTTPERROR_500;
}
if( cookie->flag & STRUCT_HTTP_FLAG_GZIP )
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Encoding: gzip\r\nContent-Length: %zd\r\n\r\n", size );
else if( cookie->flag & STRUCT_HTTP_FLAG_BZIP2 )
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Encoding: bzip2\r\nContent-Length: %zd\r\n\r\n", size );
else
header_size = sprintf( header, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Length: %zd\r\n\r\n", size );
iob_reset( &cookie->batch );
iob_addbuf_free( &cookie->batch, header, header_size );
/* Will move to ot_iovec.c */
for( i=0; i<iovec_entries; ++i )
iob_addbuf_munmap( &cookie->batch, iovector[i].iov_base, iovector[i].iov_len );
free( iovector );
/* writeable sockets timeout after 10 minutes */
taia_now( &t ); taia_addsec( &t, &t, OT_CLIENT_TIMEOUT_SEND );
io_timeout( sock, t );
io_dontwantread( sock );
io_wantwrite( sock );
return 0;
}
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 ;
}
