1 /** 2 * @file 3 * Application layered TCP connection API (to be used from TCPIP thread)\n 4 * This interface mimics the tcp callback API to the application while preventing 5 * direct linking (much like virtual functions). 6 * This way, an application can make use of other application layer protocols 7 * on top of TCP without knowing the details (e.g. TLS, proxy connection). 8 * 9 * This file contains the base implementation calling into tcp. 10 */ 11 12 /* 13 * Copyright (c) 2017 Simon Goldschmidt 14 * All rights reserved. 15 * 16 * Redistribution and use in source and binary forms, with or without modification, 17 * are permitted provided that the following conditions are met: 18 * 19 * 1. Redistributions of source code must retain the above copyright notice, 20 * this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright notice, 22 * this list of conditions and the following disclaimer in the documentation 23 * and/or other materials provided with the distribution. 24 * 3. The name of the author may not be used to endorse or promote products 25 * derived from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 28 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 29 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 30 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 32 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 35 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 * 38 * This file is part of the lwIP TCP/IP stack. 39 * 40 * Author: Simon Goldschmidt <goldsimon@gmx.de> 41 * 42 */ 43 #ifndef LWIP_HDR_ALTCP_TCP_H 44 #define LWIP_HDR_ALTCP_TCP_H 45 46 #include "lwip/opt.h" 47 48 #if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */ 49 50 #include "lwip/altcp.h" 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 struct altcp_pcb *altcp_tcp_new_ip_type(u8_t ip_type); 57 58 #define altcp_tcp_new() altcp_tcp_new_ip_type(IPADDR_TYPE_V4) 59 #define altcp_tcp_new_ip6() altcp_tcp_new_ip_type(IPADDR_TYPE_V6) 60 61 struct altcp_pcb *altcp_tcp_alloc(void *arg, u8_t ip_type); 62 63 struct tcp_pcb; 64 struct altcp_pcb *altcp_tcp_wrap(struct tcp_pcb *tpcb); 65 66 #ifdef __cplusplus 67 } 68 #endif 69 70 #endif /* LWIP_ALTCP */ 71 72 #endif /* LWIP_HDR_ALTCP_TCP_H */ 73