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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*
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* Copyright (c) 2001, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: tcpecho.c,v 1.2 2003/03/24 09:19:25 jani Exp $
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*/
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#include "lwip/sys.h"
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#include "lwip/api.h"
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static void
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tcpecho_thread(void *arg)
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{
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struct netconn *conn, *newconn;
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err_t err;
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/* Create a new connection identifier. */
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conn = netconn_new(NETCONN_TCP);
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/* Bind connection to well known port number 7. */
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netconn_bind(conn, NULL, 7);
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/* Tell connection to go into listening mode. */
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netconn_listen(conn);
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while(1) {
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/* Grab new connection. */
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newconn = netconn_accept(conn);
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/* Process the new connection. */
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if(newconn != NULL) {
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struct netbuf *buf;
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void *data;
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u16_t len;
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while((buf = netconn_recv(newconn)) != NULL) {
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do {
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netbuf_data(buf, &data, &len);
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err = netconn_write(newconn, data, len, NETCONN_COPY);
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if(err != ERR_OK) {
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}
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} while(netbuf_next(buf) >= 0);
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netbuf_delete(buf);
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}
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/* Close connection and discard connection identifier. */
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netconn_delete(newconn);
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}
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}
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}
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void
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tmain(void * p)
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{
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lwip_init();
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sys_thread_new(tcpecho_thread, (void*)"tcpecho",7);
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}
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#define STACK_SIZE 0x4000
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static char stack[STACK_SIZE];
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static cyg_thread thread_data;
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static cyg_handle_t thread_handle;
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void
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cyg_user_start(void)
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{
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// Create a main thread, so we can run the scheduler and have time 'pass'
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cyg_thread_create(10, // Priority - just a number
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tmain, // entry
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0, // entry parameter
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"TCP echo test", // Name
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&stack[0], // Stack
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STACK_SIZE, // Size
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&thread_handle, // Handle
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&thread_data // Thread data structure
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);
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cyg_thread_resume(thread_handle); // Start it
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}
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