diff options
Diffstat (limited to 'examples/network/tcpserver.c')
| -rw-r--r-- | examples/network/tcpserver.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/examples/network/tcpserver.c b/examples/network/tcpserver.c new file mode 100644 index 0000000000..606e842c8d --- /dev/null +++ b/examples/network/tcpserver.c @@ -0,0 +1,109 @@ +#include <rtthread.h>
+#include <lwip/sockets.h>
+
+static const char send_data[] = "This is TCP Server from RT-Thread.";
+void tcpserv(void* parameter)
+{
+ char *recv_data;
+ rt_uint32_t sin_size;
+ int sock, connected, bytes_received;
+ struct sockaddr_in server_addr, client_addr;
+ rt_bool_t stop = RT_FALSE;
+
+ recv_data = rt_malloc(1024);
+ if (recv_data == RT_NULL)
+ {
+ rt_kprintf("No memory\n");
+ return;
+ }
+
+ /* create a socket */
+ if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+ {
+ rt_kprintf("Socket error\n");
+
+ /* release recv buffer */
+ rt_free(recv_data);
+ return;
+ }
+
+ /* init server address */
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(5000);
+ server_addr.sin_addr.s_addr = INADDR_ANY;
+ rt_memset(&(server_addr.sin_zero),8, sizeof(server_addr.sin_zero));
+
+ /* bind socket */
+ if (bind(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
+ {
+ rt_kprintf("Unable to bind\n");
+
+ /* release recv buffer */
+ rt_free(recv_data);
+ return;
+ }
+
+ /* listen socket */
+ if (listen(sock, 5) == -1)
+ {
+ rt_kprintf("Listen error\n");
+
+ /* release recv buffer */
+ rt_free(recv_data);
+ return;
+ }
+
+ rt_kprintf("\nTCPServer Waiting for client on port 5000...\n");
+ while(stop != RT_TRUE)
+ {
+ sin_size = sizeof(struct sockaddr_in);
+
+ /* accept a client socket */
+ connected = accept(sock, (struct sockaddr *)&client_addr, &sin_size);
+
+ rt_kprintf("I got a connection from (%s , %d)\n",
+ inet_ntoa(client_addr.sin_addr),ntohs(client_addr.sin_port));
+
+ while (1)
+ {
+ send(connected, send_data, strlen(send_data), 0);
+
+ bytes_received = recv(connected,recv_data, 1024, 0);
+ if (bytes_received < 0)
+ {
+ /* close socket */
+ lwip_close(connected);
+ break;
+ }
+
+ recv_data[bytes_received] = '\0';
+ if (strcmp(recv_data , "q") == 0 || strcmp(recv_data , "Q") == 0)
+ {
+ lwip_close(connected);
+ break;
+ }
+ else if (strcmp(recv_data, "exit") == 0)
+ {
+ lwip_close(connected);
+ stop = RT_TRUE;
+ break;
+ }
+ else
+ {
+ rt_kprintf("RECIEVED DATA = %s \n" , recv_data);
+ }
+ }
+ }
+
+ lwip_close(sock);
+
+ /* release recv buffer */
+ rt_free(recv_data);
+
+ return ;
+}
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
+FINSH_FUNCTION_EXPORT(tcpserv, startup tcp server);
+#endif
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