LwIP_UDPTCP_Echo_Server_Netconn_RTOS
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Outline
#include "lwip/opt.h"
#include "lwip/sys.h"
#include "lwip/api.h"
#define TCPECHO_THREAD_PRIO
tcpecho_thread(void *)
tcpecho_init()
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SourceVuSTM32 Libraries and SamplesLwIP_UDPTCP_Echo_Server_Netconn_RTOSSrc/tcpecho.c
 
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/* * Copyright (c) 2001-2003 Swedish Institute of Computer Science. * 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: Adam Dunkels <adam@sics.se> * *//* ... */ #include "lwip/opt.h" #if LWIP_NETCONN #include "lwip/sys.h" #include "lwip/api.h" #define TCPECHO_THREAD_PRIO ( tskIDLE_PRIORITY + 4 ) /*-----------------------------------------------------------------------------------*/ static void tcpecho_thread(void *arg) { struct netconn *conn, *newconn; err_t err, accept_err; struct netbuf *buf; void *data; u16_t len; LWIP_UNUSED_ARG(arg); /* Create a new connection identifier. */ conn = netconn_new(NETCONN_TCP); if (conn!=NULL) { /* Bind connection to well known port number 7. */ err = netconn_bind(conn, NULL, 7); if (err == ERR_OK) { /* Tell connection to go into listening mode. */ netconn_listen(conn); while (1) { /* Grab new connection. */ accept_err = netconn_accept(conn, &newconn); /* Process the new connection. */ if (accept_err == ERR_OK) { while (netconn_recv(newconn, &buf) == ERR_OK) { do { netbuf_data(buf, &data, &len); netconn_write(newconn, data, len, NETCONN_COPY); ...} while (netbuf_next(buf) >= 0); netbuf_delete(buf); }while (netconn_recv(newconn, &buf) == ERR_OK) { ... } /* Close connection and discard connection identifier. */ netconn_close(newconn); netconn_delete(newconn); }if (accept_err == ERR_OK) { ... } }while (1) { ... } }if (err == ERR_OK) { ... } else { netconn_delete(newconn); }else { ... } }if (conn!=NULL) { ... } }{ ... } /*-----------------------------------------------------------------------------------*/ void tcpecho_init(void) { sys_thread_new("tcpecho_thread", tcpecho_thread, NULL, DEFAULT_THREAD_STACKSIZE, TCPECHO_THREAD_PRIO); }{ ... } /*-----------------------------------------------------------------------------------*/ /* ... */ #endif /* LWIP_NETCONN */
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