46 {

47 rt_kprintf(“socket bind failed.

”);

48 closesocket(sockfd);

49 return -RT_ERROR;

50 }

51 rt_kprintf(“socket bind network interface device(%s) success!

”, netdev-》name);

52

53 /* 初始化预连接的服务端地址 */

54 server_addr.sin_family = AF;

55 server_addr.sin_port = htons(SERVER_PORT);

56 server_addr.sin_addr.s_addr = inet_addr(SERVER_HOST);

57 rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));

58

59 /* 连接到服务端 */

60 if (connect(sockfd, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) 《 0)

61 {

62 rt_kprintf(“socket connect failed!

”);

63 closesocket(sockfd);

64 return -RT_ERROR;

65 }

66 else

67 {

68 rt_kprintf(“socket connect success!

”);

69 }

70 write(sockfd,send_buf,sizeof(send_buf));

71 read(sockfd,read_buf,sizeof(read_buf));

72 rt_kprintf(“%s

”,read_buf);

73 /* 关闭连接 */

74 closesocket(sockfd);

75 return RT_EOK;

76}

77MSH_CMD_EXPORT(bing_test, bind network interface device test);

       责任编辑:pj

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