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update examples/network/tcpclient.c

This commit is contained in:
SummerGift 2017-10-27 15:39:57 +08:00
parent 440a08f2ba
commit 1b37cd7dd0
1 changed files with 9 additions and 6 deletions
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15
examples/network/tcpclient.c
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@ -1,7 +1,10 @@
#include <rtthread.h>
#include <lwip/netdb.h> /* 为了解析主机名，需要包含netdb.h头文件 */
#include <lwip/sockets.h> /* 使用BSD socket，需要包含sockets.h头文件 */
//#include <lwip/netdb.h> /* 为了解析主机名，需要包含netdb.h头文件 */
//#include <lwip/sockets.h> /* 使用BSD socket，需要包含sockets.h头文件 */
#include <sys/socket.h> /* 使用BSD socket，需要包含sockets.h头文件 */
#include "netdb.h"
#define BUFSZ 1024
@ -47,7 +50,7 @@ void tcpclient(const char* url, int port)
{
/* 连接失败 */
rt_kprintf("Connect fail!\n");
lwip_close(sock);
closesocket(sock);
/*释放接收缓冲 */
rt_free(recv_data);
@ -61,7 +64,7 @@ void tcpclient(const char* url, int port)
if (bytes_received < 0)
{
/* 接收失败，关闭这个连接 */
lwip_close(sock);
closesocket(sock);
rt_kprintf("\nreceived error,close the socket.\r\n");
/* 释放接收缓冲 */
@ -81,7 +84,7 @@ void tcpclient(const char* url, int port)
if (strcmp(recv_data , "q") == 0 || strcmp(recv_data , "Q") == 0)
{
/* 如果是首字母是q或Q，关闭这个连接 */
lwip_close(sock);
closesocket(sock);
rt_kprintf("\n got a 'q' or 'Q',close the socket.\r\n");
/* 释放接收缓冲 */
@ -99,7 +102,7 @@ void tcpclient(const char* url, int port)
if (ret < 0)
{
/* 接收失败，关闭这个连接 */
lwip_close(sock);
closesocket(sock);
rt_kprintf("\nsend error,close the socket.\r\n");
rt_free(recv_data);