static void
xfrout_senddone(isc_task_t *task, isc_event_t *event) {
isc_socketevent_t *sev = (isc_socketevent_t *)event;
xfrout_ctx_t *xfr = (xfrout_ctx_t *)event->ev_arg;
isc_result_t evresult = sev->result;
UNUSED(task);
INSIST(event->ev_type == ISC_SOCKEVENT_SENDDONE);
isc_event_free(&event);
xfr->sends--;
INSIST(xfr->sends == 0);
(void)isc_timer_touch(xfr->client->timer);
if (xfr->shuttingdown == ISC_TRUE) {
xfrout_maybe_destroy(xfr);
} else if (evresult != ISC_R_SUCCESS) {
xfrout_fail(xfr, evresult, "send");
} else if (xfr->end_of_stream == ISC_FALSE) {
sendstream(xfr);
} else {
/* End of zone transfer stream. */
inc_stats(xfr->zone, dns_nsstatscounter_xfrdone);
xfrout_log(xfr, ISC_LOG_INFO, "%s ended", xfr->mnemonic);
ns_client_next(xfr->client, ISC_R_SUCCESS);
xfrout_ctx_destroy(&xfr);
}
}
static void
xfrout_maybe_destroy(xfrout_ctx_t *xfr) {
INSIST(xfr->shuttingdown == ISC_TRUE);
if (xfr->sends > 0) {
/*
* If we are currently sending, cancel it and wait for
* cancel event before destroying the context.
*/
isc_socket_cancel(xfr->client->tcpsocket, xfr->client->task,
ISC_SOCKCANCEL_SEND);
} else {
ns_client_next(xfr->client, ISC_R_CANCELED);
xfrout_ctx_destroy(&xfr);
}
}
static void
respond(ns_client_t *client, isc_result_t result) {
dns_rcode_t rcode;
dns_message_t *message;
isc_result_t msg_result;
message = client->message;
rcode = dns_result_torcode(result);
msg_result = dns_message_reply(message, ISC_TRUE);
if (msg_result != ISC_R_SUCCESS)
msg_result = dns_message_reply(message, ISC_FALSE);
if (msg_result != ISC_R_SUCCESS) {
ns_client_next(client, msg_result);
return;
}
message->rcode = rcode;
if (rcode == dns_rcode_noerror)
message->flags |= DNS_MESSAGEFLAG_AA;
else
message->flags &= ~DNS_MESSAGEFLAG_AA;
ns_client_send(client);
}
