mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-11-16 23:15:37 +00:00
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
|
|
* 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 "tcpecho.h"
|
|
|
|
#include "lwip/opt.h"
|
|
|
|
#if LWIP_NETCONN
|
|
|
|
#include "lwip/sys.h"
|
|
#include "lwip/api.h"
|
|
/*-----------------------------------------------------------------------------------*/
|
|
static void
|
|
tcpecho_thread(void *arg)
|
|
{
|
|
struct netconn *conn, *newconn;
|
|
err_t err;
|
|
LWIP_UNUSED_ARG(arg);
|
|
|
|
/* Create a new connection identifier. */
|
|
/* Bind connection to well known port number 7. */
|
|
#if LWIP_IPV6
|
|
conn = netconn_new(NETCONN_TCP_IPV6);
|
|
netconn_bind(conn, IP6_ADDR_ANY, 7);
|
|
#else /* LWIP_IPV6 */
|
|
conn = netconn_new(NETCONN_TCP);
|
|
netconn_bind(conn, IP_ADDR_ANY, 7);
|
|
#endif /* LWIP_IPV6 */
|
|
LWIP_ERROR("tcpecho: invalid conn", (conn != NULL), return;);
|
|
|
|
/* Tell connection to go into listening mode. */
|
|
netconn_listen(conn);
|
|
|
|
while (1) {
|
|
|
|
/* Grab new connection. */
|
|
err = netconn_accept(conn, &newconn);
|
|
/*printf("accepted new connection %p\n", newconn);*/
|
|
/* Process the new connection. */
|
|
if (err == ERR_OK) {
|
|
struct netbuf *buf;
|
|
void *data;
|
|
u16_t len;
|
|
|
|
while ((err = netconn_recv(newconn, &buf)) == ERR_OK) {
|
|
/*printf("Recved\n");*/
|
|
do {
|
|
netbuf_data(buf, &data, &len);
|
|
err = netconn_write(newconn, data, len, NETCONN_COPY);
|
|
#if 0
|
|
if (err != ERR_OK) {
|
|
printf("tcpecho: netconn_write: error \"%s\"\n", lwip_strerr(err));
|
|
}
|
|
#endif
|
|
} while (netbuf_next(buf) >= 0);
|
|
netbuf_delete(buf);
|
|
}
|
|
/*printf("Got EOF, looping\n");*/
|
|
/* Close connection and discard connection identifier. */
|
|
netconn_close(newconn);
|
|
netconn_delete(newconn);
|
|
}
|
|
}
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
void
|
|
tcpecho_init(void)
|
|
{
|
|
sys_thread_new("tcpecho_thread", tcpecho_thread, NULL, DEFAULT_THREAD_STACKSIZE, DEFAULT_THREAD_PRIO);
|
|
}
|
|
/*-----------------------------------------------------------------------------------*/
|
|
|
|
#endif /* LWIP_NETCONN */
|