/* * Copyright (c) 2015 Jiri Svoboda * 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE 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. */ /** @addtogroup tcp * @{ */ /** @file TCP connection processing and state machine */ #ifndef CONN_H #define CONN_H #include <inet/endpoint.h> #include <stdbool.h> #include "tcp_type.h" extern errno_t tcp_conns_init(void); extern void tcp_conns_fini(void); extern tcp_conn_t *tcp_conn_new(inet_ep2_t *); extern void tcp_conn_delete(tcp_conn_t *); extern errno_t tcp_conn_add(tcp_conn_t *); extern void tcp_conn_reset(tcp_conn_t *conn); extern void tcp_conn_sync(tcp_conn_t *); extern void tcp_conn_fin_sent(tcp_conn_t *); extern tcp_conn_t *tcp_conn_find_ref(inet_ep2_t *); extern void tcp_conn_addref(tcp_conn_t *); extern void tcp_conn_delref(tcp_conn_t *); extern void tcp_conn_lock(tcp_conn_t *); extern void tcp_conn_unlock(tcp_conn_t *); extern bool tcp_conn_got_syn(tcp_conn_t *); extern void tcp_conn_segment_arrived(tcp_conn_t *, inet_ep2_t *, tcp_segment_t *); extern void tcp_unexpected_segment(inet_ep2_t *, tcp_segment_t *); extern void tcp_ep2_flipped(inet_ep2_t *, inet_ep2_t *); extern tcp_lb_t tcp_conn_lb; #endif /** @} */