From feec9197c41314931cd1978bb5e61e974e6deaba Mon Sep 17 00:00:00 2001 From: "bernard.xiong" Date: Mon, 1 Mar 2010 09:39:28 +0000 Subject: 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 --- examples/network/udpserver.c | 74 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 examples/network/udpserver.c (limited to 'examples/network/udpserver.c') diff --git a/examples/network/udpserver.c b/examples/network/udpserver.c new file mode 100644 index 0000000000..9fede482fb --- /dev/null +++ b/examples/network/udpserver.c @@ -0,0 +1,74 @@ +#include +#include + +void udpserv(void* paramemter) +{ + int sock; + int bytes_read; + char *recv_data; + rt_uint32_t addr_len; + struct sockaddr_in server_addr , client_addr; + + recv_data = rt_malloc(1024); + if (recv_data == RT_NULL) + { + rt_kprintf("No memory\n"); + return; + } + + /* create socket */ + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) + { + rt_kprintf("Socket error\n"); + + /* release recv buffer */ + rt_free(recv_data); + return; + } + + /* init server socket 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),0, sizeof(server_addr.sin_zero)); + + if (bind(sock,(struct sockaddr *)&server_addr, + sizeof(struct sockaddr)) == -1) + { + rt_kprintf("Bind error\n"); + + /* release recv buffer */ + rt_free(recv_data); + return; + } + + addr_len = sizeof(struct sockaddr); + + rt_kprintf("UDPServer Waiting for client on port 5000...\n"); + + while (1) + { + bytes_read = recvfrom(sock, recv_data, 1024, 0, + (struct sockaddr *)&client_addr, &addr_len); + recv_data[bytes_read] = '\0'; + rt_kprintf("\n(%s , %d) said : ",inet_ntoa(client_addr.sin_addr), + ntohs(client_addr.sin_port)); + rt_kprintf("%s", recv_data); + + if (strcmp(recv_data, "exit") == 0) + { + lwip_close(sock); + + /* release recv buffer */ + rt_free(recv_data); + break; + } + } + + return; +} + +#ifdef RT_USING_FINSH +#include +FINSH_FUNCTION_EXPORT(udpserv, startup udp server); +#endif -- cgit v1.3.1