diff options
Diffstat (limited to 'lwip/src/include/lwip/priv/altcp_priv.h')
| -rw-r--r-- | lwip/src/include/lwip/priv/altcp_priv.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/lwip/src/include/lwip/priv/altcp_priv.h b/lwip/src/include/lwip/priv/altcp_priv.h new file mode 100644 index 0000000..2d3b2fd --- /dev/null +++ b/lwip/src/include/lwip/priv/altcp_priv.h @@ -0,0 +1,146 @@ +/** + * @file + * Application layered TCP connection API (to be used from TCPIP thread)\n + * This interface mimics the tcp callback API to the application while preventing + * direct linking (much like virtual functions). + * This way, an application can make use of other application layer protocols + * on top of TCP without knowing the details (e.g. TLS, proxy connection). + */ + +/* + * Copyright (c) 2017 Simon Goldschmidt + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. 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. + * 3. 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. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Simon Goldschmidt <goldsimon@gmx.de> + * + */ +#ifndef LWIP_HDR_ALTCP_PRIV_H +#define LWIP_HDR_ALTCP_PRIV_H + +#include "lwip/opt.h" + +#if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */ + +#include "lwip/altcp.h" +#include "lwip/ip_addr.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct altcp_pcb *altcp_alloc(void); +void altcp_free(struct altcp_pcb *conn); + +/* Function prototypes for application layers */ +typedef void (*altcp_set_poll_fn)(struct altcp_pcb *conn, u8_t interval); +typedef void (*altcp_recved_fn)(struct altcp_pcb *conn, u16_t len); +typedef err_t (*altcp_bind_fn)(struct altcp_pcb *conn, const ip_addr_t *ipaddr, u16_t port); +typedef err_t (*altcp_connect_fn)(struct altcp_pcb *conn, const ip_addr_t *ipaddr, u16_t port, altcp_connected_fn connected); + +typedef struct altcp_pcb *(*altcp_listen_fn)(struct altcp_pcb *conn, u8_t backlog, err_t *err); + +typedef void (*altcp_abort_fn)(struct altcp_pcb *conn); +typedef err_t (*altcp_close_fn)(struct altcp_pcb *conn); +typedef err_t (*altcp_shutdown_fn)(struct altcp_pcb *conn, int shut_rx, int shut_tx); + +typedef err_t (*altcp_write_fn)(struct altcp_pcb *conn, const void *dataptr, u16_t len, u8_t apiflags); +typedef err_t (*altcp_output_fn)(struct altcp_pcb *conn); + +typedef u16_t (*altcp_mss_fn)(struct altcp_pcb *conn); +typedef u16_t (*altcp_sndbuf_fn)(struct altcp_pcb *conn); +typedef u16_t (*altcp_sndqueuelen_fn)(struct altcp_pcb *conn); +typedef void (*altcp_nagle_disable_fn)(struct altcp_pcb *conn); +typedef void (*altcp_nagle_enable_fn)(struct altcp_pcb *conn); +typedef int (*altcp_nagle_disabled_fn)(struct altcp_pcb *conn); + +typedef void (*altcp_setprio_fn)(struct altcp_pcb *conn, u8_t prio); + +typedef void (*altcp_dealloc_fn)(struct altcp_pcb *conn); + +typedef err_t (*altcp_get_tcp_addrinfo_fn)(struct altcp_pcb *conn, int local, ip_addr_t *addr, u16_t *port); +typedef ip_addr_t *(*altcp_get_ip_fn)(struct altcp_pcb *conn, int local); +typedef u16_t (*altcp_get_port_fn)(struct altcp_pcb *conn, int local); + +#ifdef LWIP_DEBUG +typedef enum tcp_state (*altcp_dbg_get_tcp_state_fn)(struct altcp_pcb *conn); +#endif + +struct altcp_functions { + altcp_set_poll_fn set_poll; + altcp_recved_fn recved; + altcp_bind_fn bind; + altcp_connect_fn connect; + altcp_listen_fn listen; + altcp_abort_fn abort; + altcp_close_fn close; + altcp_shutdown_fn shutdown; + altcp_write_fn write; + altcp_output_fn output; + altcp_mss_fn mss; + altcp_sndbuf_fn sndbuf; + altcp_sndqueuelen_fn sndqueuelen; + altcp_nagle_disable_fn nagle_disable; + altcp_nagle_enable_fn nagle_enable; + altcp_nagle_disabled_fn nagle_disabled; + altcp_setprio_fn setprio; + altcp_dealloc_fn dealloc; + altcp_get_tcp_addrinfo_fn addrinfo; + altcp_get_ip_fn getip; + altcp_get_port_fn getport; +#ifdef LWIP_DEBUG + altcp_dbg_get_tcp_state_fn dbg_get_tcp_state; +#endif +}; + +void altcp_default_set_poll(struct altcp_pcb *conn, u8_t interval); +void altcp_default_recved(struct altcp_pcb *conn, u16_t len); +err_t altcp_default_bind(struct altcp_pcb *conn, const ip_addr_t *ipaddr, u16_t port); +err_t altcp_default_shutdown(struct altcp_pcb *conn, int shut_rx, int shut_tx); +err_t altcp_default_write(struct altcp_pcb *conn, const void *dataptr, u16_t len, u8_t apiflags); +err_t altcp_default_output(struct altcp_pcb *conn); +u16_t altcp_default_mss(struct altcp_pcb *conn); +u16_t altcp_default_sndbuf(struct altcp_pcb *conn); +u16_t altcp_default_sndqueuelen(struct altcp_pcb *conn); +void altcp_default_nagle_disable(struct altcp_pcb *conn); +void altcp_default_nagle_enable(struct altcp_pcb *conn); +int altcp_default_nagle_disabled(struct altcp_pcb *conn); +void altcp_default_setprio(struct altcp_pcb *conn, u8_t prio); +void altcp_default_dealloc(struct altcp_pcb *conn); +err_t altcp_default_get_tcp_addrinfo(struct altcp_pcb *conn, int local, ip_addr_t *addr, u16_t *port); +ip_addr_t *altcp_default_get_ip(struct altcp_pcb *conn, int local); +u16_t altcp_default_get_port(struct altcp_pcb *conn, int local); +#ifdef LWIP_DEBUG +enum tcp_state altcp_default_dbg_get_tcp_state(struct altcp_pcb *conn); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* LWIP_ALTCP */ + +#endif /* LWIP_HDR_ALTCP_PRIV_H */ |