Ejemplos de adns__sigpipe_protect en C++ (Cpp)

Ejemplo n.º 1

Archivo: transmit.c Proyecto: BackupTheBerlios/wl530g-svn

void adns__querysend_tcp(adns_query qu, struct timeval now) {
  byte length[2];
  struct iovec iov[2];
  int wr, r;
  adns_state ads;

  if (qu->ads->tcpstate != server_ok) return;

  assert(qu->state == query_tcpw);

  length[0]= (qu->query_dglen&0x0ff00U) >>8;
  length[1]= (qu->query_dglen&0x0ff);

  ads= qu->ads;
  if (!adns__vbuf_ensure(&ads->tcpsend,ads->tcpsend.used+qu->query_dglen+2))
    return;

  qu->retries++;

  /* Reset idle timeout. */
  ads->tcptimeout.tv_sec= ads->tcptimeout.tv_usec= 0;

  if (ads->tcpsend.used) {
    wr= 0;
  } else {
    iov[0].iov_base= length;
    iov[0].iov_len= 2;
    iov[1].iov_base= qu->query_dgram;
    iov[1].iov_len= qu->query_dglen;
    adns__sigpipe_protect(qu->ads);
    wr= writev(qu->ads->tcpsocket,iov,2);
    adns__sigpipe_unprotect(qu->ads);
    if (wr < 0) {
      if (!(errno == EAGAIN || errno == EINTR || errno == ENOSPC ||
	    errno == ENOBUFS || errno == ENOMEM)) {
	adns__tcp_broken(ads,"write",strerror(errno));
	return;
      }
      wr= 0;
    }
  }

  if (wr<2) {
    r= adns__vbuf_append(&ads->tcpsend,length,2-wr); assert(r);
    wr= 0;
  } else {
    wr-= 2;
  }
  if (wr<qu->query_dglen) {
    r= adns__vbuf_append(&ads->tcpsend,qu->query_dgram+wr,qu->query_dglen-wr);
    assert(r);
  }
}

Ejemplo n.º 2

Archivo: adnstransmit.c Proyecto: DarkSpiritNET/NeoStats

void adns__querysend_tcp(adns_query qu, struct timeval now)
{
	byte length[2];
#ifndef WIN32
	struct iovec iov[2];
#endif
	int wr, r;
	adns_state ads;

	if (qu->ads->tcpstate != server_ok)
		return;

	assert(qu->state == query_tcpw);

	length[0] = (qu->query_dglen & 0x0ff00U) >> 8;
	length[1] = (qu->query_dglen & 0x0ff);

	ads = qu->ads;
	if( !adns__vbuf_ensure( &ads->tcpsend, ads->tcpsend.used + qu->query_dglen + 2 ) )
		return;

	qu->retries++;

	/* Reset idle timeout. */
	ads->tcptimeout.tv_sec = ads->tcptimeout.tv_usec = 0;

	if (ads->tcpsend.used) {
		wr = 0;
	} else {
#ifdef WIN32
		char *buf = NULL;
		
		buf = (char *)ns_malloc((2 + qu->query_dglen));
		os_memcpy(buf, length, 2);
		os_memcpy((buf + 2), qu->query_dgram, qu->query_dglen);
		wr = os_sock_write(qu->ads->tcpsocket, buf, (2 + qu->query_dglen));
		errno = os_sock_errno;
		ns_free(buf);
#else
		iov[0].iov_base = length;
		iov[0].iov_len = 2;
		iov[1].iov_base = qu->query_dgram;
		iov[1].iov_len = qu->query_dglen;
		adns__sigpipe_protect(qu->ads);
		wr = writev(qu->ads->tcpsocket, iov, 2);
#endif
		adns__sigpipe_unprotect(qu->ads);
		if (wr < 0) {
			if (!
			    (errno == EAGAIN || errno == OS_SOCK_EINTR
			     || errno == ENOSPC || errno == OS_SOCK_ENOBUFS
			     || errno == ENOMEM)) {
				adns__tcp_broken(ads, "write",
						 strerror(errno));
				return;
			}
			wr = 0;
		}
	}

	if( wr < 2 )
	{
		r = adns__vbuf_append( &ads->tcpsend, length, 2 - wr );
		assert( r );
		wr = 0;
	} 
	else 
	{
		wr -= 2;
	}
	if ( wr < qu->query_dglen ) 
	{
		r = adns__vbuf_append( &ads->tcpsend, qu->query_dgram + wr,
				      qu->query_dglen - wr );
		assert( r );
	}
}