unbound/services/outside_network.c

80 /** number of retries on outgoing UDP queries */
203  * @return false on error, socket closed.
246 /** get TCP file descriptor for address, returns -1 on failure,
255 	int on = 1;
275 	if(setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void*)&on,
276 		(socklen_t)sizeof(on)) < 0) {
285 			"error setting IP DiffServ codepoint on socket");
304 /** connect tcp connection to addr, 0 on failure */
379 /** push the element after the last on the writewait list */
426 /** insert into reuse tcp tree and LRU, false on failure (duplicate) */
433 			log_err("internal error: reuse_tcp_insert: on lru list without key");
490 		/* but the key is on stack, and ptr is compared, impossible */
539 	/* set timer on the waiting_tcp entry, this is the write timeout
540 	 * for the written packet.  The timer on pend->c is the timer
601 	   currently support doing a handshake on fd that already isn't connected*/
697 		return; /* not on the list, no lru to modify */
716 /** call callback on waiting_tcp, if not NULL */
750 				/* on the write wait list */
754 				/* stop the timer on read of the fd */
815 	 * can get written on a new socket */
978 /** set timeout on tcp fd and setup read event to catch incoming dns msgs */
986 /** set timeout on tcp fd and setup read event to catch incoming dns msgs */
1097 		 * on the empty list. do not decommission it */
1099 		 * read again, to see if it is on the input,
1101 		 * and there could be more bytes to read on the input */
1108 	/* no queries on it, no space to keep it. or timeout or closed due
1116 /** lower use count on pc, see if it can be closed */
1159 			/* callback error on pending */
1221 		verbose(VERB_QUERY, "received reply id,addr on wrong port. "
1554 	/* check every element, since we can be called on malloc error */
1616 					 * the tcp conn is working on */
1997 		/* it is on the waiting list */
2181 				/* stop the timer on read of the fd */
2206 		/* waiting for a buffer on the outside network buffer wait
2385 		/* set a keepalive timer on it */
2418 			/* if on stream-write-waiting list then
2543  * @return 0 on error.
2790 		/* create one if there isn't (on errors) */
2817 /** Send serviced query over TCP return false on initial failure */
3240 		/* SSL_VERIFY_PEER is set on the sslctx */
3284 		/* outnet_tcp_connect has closed fd on error for us */
3305 	/* set timeout on TCP connection */
3346 		/* outnet_tcp_connect has closed fd on error for us */
3368 	/* set timeout on TCP connection */
3479 		/* always has a timer except on malloc failures */