myclient.c

分布式计算实验——在Linux中实现客户机-服务器通信

#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<stdio.h>
#include<unistd.h>
#include<sys/types.h>



int main()
{
	char host[128]="";                       //主机名
	int sockfd=0;
	int result=0;
	int len=0;
	struct sockaddr_in address;
	
	printf("Please enter the hostname:(eg:128.0.0.1)\n");
	char buffer[1024]="hello world";
	scanf("%s",host);                            //输入主机名
	
	sockfd = socket(AF_INET,SOCK_STREAM,0);
	address.sin_family = AF_INET;
	address.sin_port =htons(10000);
	address.sin_addr.s_addr = inet_addr(host);   //在函数调用后被填入连接对方的地址信息
	len = sizeof(address);
	
	result = connect(sockfd,(struct sockaddr *)&address,len); //通过sockfd传输数据
	if(result == -1)
	{
		perror("Connection failed!");
		exit(1);
	}
	
	result = write(sockfd,buffer,1024);
	if(result != -1)
	{
		printf("Client:Running Allright!");
	}
	close(sockfd);                          //关闭socket连接
	exit(0);
}