rtt-f030/components/net/lwip-head/apps/ipv6/tcpecho6.c

44 lines
859 B
C

#include <rtthread.h>
#include <finsh.h>
#include <lwip/api.h>
#define TCP_ECHO_PORT 10001
void tcpecho6(void)
{
struct netconn *conn, *newconn;
err_t err;
conn = netconn_new(NETCONN_TCP_IPV6);
netconn_bind_ip6(conn, IP6_ADDR_ANY, TCP_ECHO_PORT);
netconn_listen(conn);
while(1)
{
err = netconn_accept(conn, &newconn);
if(err == ERR_OK)
{
struct netbuf *buf;
void *data;
u16_t len;
while(netconn_recv(newconn, &buf) == ERR_OK)
{
do
{
netbuf_data(buf, &data, &len);
err = netconn_write(newconn, data, len, NETCONN_COPY);
if(err != ERR_OK)
rt_kprintf("netconn_write() error\n");
}while(netbuf_next(buf) >= 0);
netbuf_delete(buf);
}
netconn_delete(newconn);
}
}
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(tcpecho6, startup tcp echo server via ipv6);
#endif