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[examples] code cleanup.

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This commit is contained in:
Bernard Xiong
2017-08-10 14:09:57 +08:00
parent f6b6a5cf22
commit 5f4bcfa3e1
3 changed files with 99 additions and 83 deletions
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37
examples/network/tcpserver.c
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@@ -74,18 +74,19 @@ void tcpserv(void* parameter)
{
/* 发送数据到connected socket */
ret = send(connected, send_data, strlen(send_data), 0);
if (ret < 0)
{
/* 接收失败，关闭这个连接 */
lwip_close(sock);
rt_kprintf("\nsend error,close the socket.\r\n");
break;
}else if (ret == 0)
{
/* 打印send函数返回值为0的警告信息 */
rt_kprintf("\n Send warning,send function return 0.\r\n");
}
if (ret < 0)
{
/* 发送失败，关闭这个连接 */
lwip_close(connected);
rt_kprintf("\nsend error,close the socket.\r\n");
break;
}
else if (ret == 0)
{
/* 打印send函数返回值为0的警告信息 */
rt_kprintf("\n Send warning,send function return 0.\r\n");
}
/* 从connected socket中接收数据，接收buffer是1024大小，但并不一定能够收到1024大小的数据 */
bytes_received = recv(connected,recv_data, 1024, 0);
if (bytes_received < 0)
@@ -93,11 +94,13 @@ void tcpserv(void* parameter)
/* 接收失败，关闭这个connected socket */
lwip_close(connected);
break;
}else if (bytes_received == 0)
{
/* 打印recv函数返回值为0的警告信息 */
rt_kprintf("\nReceived warning,recv function return 0.\r\n");
}
}
else if (bytes_received == 0)
{
/* 打印recv函数返回值为0的警告信息 */
rt_kprintf("\nReceived warning,recv function return 0.\r\n");
continue;
}
/* 有接收到数据，把末端清零 */
recv_data[bytes_received] = '\0';