54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#include<stdio.h>
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#include <sys/socket.h>
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#include <sys/types.h>/* See NOTES */
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <unistd.h>
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#define OWNADDR "192.168.0.17" //我自己电脑的ip地址
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#define OWNPORT 10000 //我自己电脑的该程序的端口号
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#define SERVERADDR "192.168.0.114" //对方的服务器的IP地址
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#define SERVERPORT 20000 //对方的服务器的端口号
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int main()
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{
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//1、买手机（建立套接字）
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int socketfd = socket(AF_INET, SOCK_STREAM, 0);
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if(socketfd == -1)
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{
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printf("没钱了....,失败\n");
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return -1;
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}
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//2、绑定自己的电话号码（绑定自己的IP地址 和端口号）
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//定义一个IPV4结构体变量，初始化自己的IP地址和端口号
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struct sockaddr_in ownAddr;
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ownAddr.sin_family = AF_INET;/*地址族 IPV4*/
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ownAddr.sin_port = htons(OWNPORT);//htons 将本地端口号转为网络端口号
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ownAddr.sin_addr.s_addr = inet_addr(OWNADDR);//将本地IP地址转为网络IP地址
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bind(socketfd, (struct sockaddr *)&ownAddr,sizeof(struct sockaddr_in));
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//3、开始打电话（发起连接）
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struct sockaddr_in serverAddr;
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serverAddr.sin_family = AF_INET;/*地址族 IPV4*/
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serverAddr.sin_port = htons(SERVERPORT); //htons 将本地端口号转为网络端口号
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serverAddr.sin_addr.s_addr = inet_addr(SERVERADDR); //将本地IP地址转为网络IP地址
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connect(socketfd,(struct sockaddr *)&serverAddr,sizeof(struct sockaddr_in));
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//4、聊天
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while(1)
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{
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printf("data：");
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char buf[1024]={0};
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scanf("%s",buf);
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//发送数据
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send(socketfd, buf, strlen(buf), 0);
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}
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//5、关闭
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close(socketfd);
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return 0;
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} |