123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899 |
- /* Copyright (c) 2014, Vsevolod Stakhov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef UTIL_H_
- #define UTIL_H_
-
- #include "dns_private.h"
-
- /**
- * Make a universal socket
- * @param credits host, ip or path to unix socket
- * @param port port (used for network sockets)
- * @param type of socket (SOCK_STREAM or SOCK_DGRAM)
- */
- int
- rdns_make_client_socket (const char *credits,
- uint16_t port,
- int type,
- struct sockaddr **psockaddr,
- socklen_t *psocklen);
-
- /**
- * Generate new random DNS id
- * @return dns id
- */
- uint16_t rdns_permutor_generate_id (void);
-
-
- /**
- * Free IO channel
- */
- void rdns_ioc_free (struct rdns_io_channel *ioc);
-
- /**
- * Creates a new IO channel
- */
- struct rdns_io_channel * rdns_ioc_new (struct rdns_server *srv,
- struct rdns_resolver *resolver,
- bool is_tcp);
-
- /**
- * Resets inactive/errored TCP chain as recommended by RFC
- * @param ioc
- */
- void rdns_ioc_tcp_reset (struct rdns_io_channel *ioc);
-
- /**
- * Connect TCP IO channel to a server
- * @param ioc
- */
- bool rdns_ioc_tcp_connect (struct rdns_io_channel *ioc);
-
- /**
- * Free request
- * @param req
- */
- void rdns_request_free (struct rdns_request *req);
-
- /**
- * Removes request from a channel's hash (e.g. if needed to migrate to another channel)
- * @param req
- */
- void rdns_request_remove_from_hash (struct rdns_request *req);
-
- /**
- * Creates a new reply
- * @param req
- * @param rcode
- * @return
- */
- struct rdns_reply * rdns_make_reply (struct rdns_request *req, enum dns_rcode rcode);
- /**
- * Free reply
- * @param rep
- */
- void rdns_reply_free (struct rdns_reply *rep);
-
- void rdns_request_unschedule (struct rdns_request *req, bool remove_from_hash);
-
- #endif /* UTIL_H_ */
|