C++ (Cpp) xfrd_setup_packet Examples

Example #1

File: xfrd-notify.c Project: LTD-Beget/nsd

static void
xfrd_notify_send_udp(struct notify_zone_t* zone, buffer_type* packet)
{
	int fd;
	if(zone->notify_send_enable) {
		notify_send_disable(zone);
	}
	/* Set timeout for next reply */
	zone->notify_timeout.tv_sec = XFRD_NOTIFY_RETRY_TIMOUT;
	/* send NOTIFY to secondary. */
	xfrd_setup_packet(packet, TYPE_SOA, CLASS_IN, zone->apex,
		qid_generate());
	zone->notify_query_id = ID(packet);
	OPCODE_SET(packet, OPCODE_NOTIFY);
	AA_SET(packet);
	if(zone->current_soa->serial != 0) {
		/* add current SOA to answer section */
		ANCOUNT_SET(packet, 1);
		xfrd_write_soa_buffer(packet, zone->apex, zone->current_soa);
	}
	if(zone->notify_current->key_options) {
		xfrd_tsig_sign_request(packet, &zone->notify_tsig, zone->notify_current);
	}
	buffer_flip(packet);
	fd = xfrd_send_udp(zone->notify_current, packet,
		zone->options->pattern->outgoing_interface);
	if(fd == -1) {
		log_msg(LOG_ERR, "xfrd: zone %s: could not send notify #%d to %s",
			zone->apex_str, zone->notify_retry,
			zone->notify_current->ip_address_spec);
		event_set(&zone->notify_send_handler, -1, EV_TIMEOUT,
			xfrd_handle_notify_send, zone);
		if(event_base_set(xfrd->event_base, &zone->notify_send_handler) != 0)
			log_msg(LOG_ERR, "notify_send: event_base_set failed");
		if(evtimer_add(&zone->notify_send_handler, &zone->notify_timeout) != 0)
			log_msg(LOG_ERR, "notify_send: evtimer_add failed");
		zone->notify_send_enable = 1;
		return;
	}
	event_set(&zone->notify_send_handler, fd, EV_READ | EV_TIMEOUT,
		xfrd_handle_notify_send, zone);
	if(event_base_set(xfrd->event_base, &zone->notify_send_handler) != 0)
		log_msg(LOG_ERR, "notify_send: event_base_set failed");
	if(event_add(&zone->notify_send_handler, &zone->notify_timeout) != 0)
		log_msg(LOG_ERR, "notify_send: evtimer_add failed");
	zone->notify_send_enable = 1;
	DEBUG(DEBUG_XFRD,1, (LOG_INFO, "xfrd: zone %s: sent notify #%d to %s",
		zone->apex_str, zone->notify_retry,
		zone->notify_current->ip_address_spec));
}

Example #2

static int
xfrd_send_ixfr_request_udp(xfrd_zone_t* zone)
{
	int fd;

	/* make sure we have a master to query the ixfr request to */
	assert(zone->master);

	if(zone->tcp_conn != -1) {
		/* tcp is using the zone_handler.fd */
		log_msg(LOG_ERR, "xfrd: %s tried to send udp whilst tcp engaged",
			zone->apex_str);
		return -1;
	}
	xfrd_setup_packet(xfrd->packet, TYPE_IXFR, CLASS_IN, zone->apex);
	zone->query_id = ID(xfrd->packet);
	zone->msg_seq_nr = 0;
	zone->msg_rr_count = 0;
	DEBUG(DEBUG_XFRD,1, (LOG_INFO, "sent query with ID %d", zone->query_id));
        NSCOUNT_SET(xfrd->packet, 1);
	xfrd_write_soa_buffer(xfrd->packet, zone->apex, &zone->soa_disk);
	/* if we have tsig keys, sign the ixfr query */
	if(zone->master->key_options && zone->master->key_options->tsig_key) {
		xfrd_tsig_sign_request(xfrd->packet, &zone->tsig, zone->master);
	}
	buffer_flip(xfrd->packet);
	xfrd_set_timer(zone, xfrd_time() + XFRD_UDP_TIMEOUT);

	if((fd = xfrd_send_udp(zone->master, xfrd->packet,
		zone->zone_options->outgoing_interface)) == -1)
		return -1;

	DEBUG(DEBUG_XFRD,1, (LOG_INFO,
		"xfrd sent udp request for ixfr=%u for zone %s to %s",
		ntohl(zone->soa_disk.serial),
		zone->apex_str, zone->master->ip_address_spec));
	return fd;
}