client.c

LINUX下多线程并发网络通信。（包涵源文件）

	/* File: client.c */

	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h>
	#include <stdio.h>
	
	int main(int argc, char **argv)
	{
		int fd;
		struct sockaddr_in address;
		int address_len;
		int rtval;
		char *data = "Client to Server string!\n";
		char data2[100];
		char clientname[20];
		int len,i;
		

		fd = socket(AF_INET, SOCK_STREAM, 0);

		address.sin_family = AF_INET;
		address.sin_addr.s_addr = inet_addr("127.0.0.1");
		address.sin_port = htons(1234);
		address_len = sizeof(address);
	
		rtval = connect(fd, (struct sockaddr *)&address, address_len);
		if(rtval == -1)
			 exit(1);
		printf("put in client name");
		scanf("%s",clientname);
		send(fd, clientname, strlen(clientname),0);
		for(i=0;i<3;i++)
		{	
			printf("put in message:\n");
			scanf("%s",data2);
			send(fd, data2, strlen(data2),0);
			printf("sent line:%s", data2);
		}
		len = read(fd, (void *)data2, 100);
		printf("readline:%s", data2);

		printf("client exit.\n");
		scanf("%s",data2);
		close(fd);
	}