move TCP client/server and UDP client/server example to this directory.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@457 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
parent
6ccd04543c
commit
feec9197c4
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#include <rtthread.h>
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#include <lwip/netdb.h>
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#include <lwip/sockets.h>
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static const char send_data[] = "This is TCP Client from RT-Thread.";
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void tcpclient(const char* url, int port)
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{
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char *recv_data;
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struct hostent *host;
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int sock, bytes_received;
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struct sockaddr_in server_addr;
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host = gethostbyname(url);
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recv_data = rt_malloc(1024);
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if (recv_data == RT_NULL)
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{
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rt_kprintf("No memory\n");
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return;
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}
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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rt_kprintf("Socket error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(port);
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server_addr.sin_addr = *((struct in_addr *)host->h_addr);
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rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
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if (connect(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
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{
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rt_kprintf("Connect error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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while(1)
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{
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bytes_received = recv(sock, recv_data, 1024, 0);
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if (bytes_received < 0)
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{
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lwip_close(sock);
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/* release recv buffer */
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rt_free(recv_data);
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break;
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}
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recv_data[bytes_received] = '\0';
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if (strcmp(recv_data , "q") == 0 || strcmp(recv_data , "Q") == 0)
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{
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lwip_close(sock);
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/* release recv buffer */
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rt_free(recv_data);
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break;
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}
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else
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{
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rt_kprintf("\nRecieved data = %s " , recv_data);
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}
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send(sock,send_data,strlen(send_data), 0);
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}
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return;
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(tcpclient, startup tcp client);
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#endif
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#include <rtthread.h>
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#include <lwip/sockets.h>
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static const char send_data[] = "This is TCP Server from RT-Thread.";
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void tcpserv(void* parameter)
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{
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char *recv_data;
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rt_uint32_t sin_size;
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int sock, connected, bytes_received;
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struct sockaddr_in server_addr, client_addr;
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rt_bool_t stop = RT_FALSE;
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recv_data = rt_malloc(1024);
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if (recv_data == RT_NULL)
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{
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rt_kprintf("No memory\n");
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return;
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}
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/* create a socket */
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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{
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rt_kprintf("Socket error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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/* init server address */
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(5000);
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server_addr.sin_addr.s_addr = INADDR_ANY;
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rt_memset(&(server_addr.sin_zero),8, sizeof(server_addr.sin_zero));
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/* bind socket */
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if (bind(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
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{
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rt_kprintf("Unable to bind\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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/* listen socket */
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if (listen(sock, 5) == -1)
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{
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rt_kprintf("Listen error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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rt_kprintf("\nTCPServer Waiting for client on port 5000...\n");
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while(stop != RT_TRUE)
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{
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sin_size = sizeof(struct sockaddr_in);
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/* accept a client socket */
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connected = accept(sock, (struct sockaddr *)&client_addr, &sin_size);
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rt_kprintf("I got a connection from (%s , %d)\n",
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inet_ntoa(client_addr.sin_addr),ntohs(client_addr.sin_port));
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while (1)
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{
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send(connected, send_data, strlen(send_data), 0);
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bytes_received = recv(connected,recv_data, 1024, 0);
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if (bytes_received < 0)
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{
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/* close socket */
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lwip_close(connected);
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break;
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}
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recv_data[bytes_received] = '\0';
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if (strcmp(recv_data , "q") == 0 || strcmp(recv_data , "Q") == 0)
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{
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lwip_close(connected);
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break;
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}
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else if (strcmp(recv_data, "exit") == 0)
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{
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lwip_close(connected);
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stop = RT_TRUE;
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break;
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}
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else
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{
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rt_kprintf("RECIEVED DATA = %s \n" , recv_data);
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}
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}
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}
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lwip_close(sock);
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/* release recv buffer */
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rt_free(recv_data);
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return ;
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(tcpserv, startup tcp server);
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#endif
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#include <rtthread.h>
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#include <lwip/netdb.h>
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#include <lwip/sockets.h>
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const char send_data[] = "This is UDP Client from RT-Thread.\n";
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void udpclient(const char* url, int port, int count)
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{
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int sock;
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struct hostent *host;
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struct sockaddr_in server_addr;
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host= (struct hostent *) gethostbyname(url);
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if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
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{
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rt_kprintf("Socket error\n");
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return;
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}
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(port);
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server_addr.sin_addr = *((struct in_addr *)host->h_addr);
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rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
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while (count)
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{
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sendto(sock, send_data, strlen(send_data), 0,
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(struct sockaddr *)&server_addr, sizeof(struct sockaddr));
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rt_thread_delay(50);
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count --;
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}
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/* close socket */
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lwip_close(sock);
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(udpclient, startup udp client);
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#endif
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#include <rtthread.h>
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#include <lwip/sockets.h>
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void udpserv(void* paramemter)
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{
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int sock;
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int bytes_read;
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char *recv_data;
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rt_uint32_t addr_len;
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struct sockaddr_in server_addr , client_addr;
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recv_data = rt_malloc(1024);
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if (recv_data == RT_NULL)
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{
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rt_kprintf("No memory\n");
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return;
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}
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/* create socket */
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if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
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{
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rt_kprintf("Socket error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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/* init server socket address */
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(5000);
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server_addr.sin_addr.s_addr = INADDR_ANY;
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rt_memset(&(server_addr.sin_zero),0, sizeof(server_addr.sin_zero));
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if (bind(sock,(struct sockaddr *)&server_addr,
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sizeof(struct sockaddr)) == -1)
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{
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rt_kprintf("Bind error\n");
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/* release recv buffer */
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rt_free(recv_data);
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return;
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}
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addr_len = sizeof(struct sockaddr);
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rt_kprintf("UDPServer Waiting for client on port 5000...\n");
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while (1)
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{
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bytes_read = recvfrom(sock, recv_data, 1024, 0,
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(struct sockaddr *)&client_addr, &addr_len);
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recv_data[bytes_read] = '\0';
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rt_kprintf("\n(%s , %d) said : ",inet_ntoa(client_addr.sin_addr),
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ntohs(client_addr.sin_port));
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rt_kprintf("%s", recv_data);
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if (strcmp(recv_data, "exit") == 0)
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{
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lwip_close(sock);
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/* release recv buffer */
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rt_free(recv_data);
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break;
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}
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}
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return;
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(udpserv, startup udp server);
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#endif
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