client5.c

这是一个MINITGUI2。0的应用程序

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>   
#include<sys/socket.h>   
#include<netinet/in.h>   
#include<errno.h>
#include<netdb.h>
#include<ctype.h>
#include<pthread.h>
#include<unistd.h>
//#include<time.h>

#define MAXDATA 1024

int sockfd;
int sendstatus;
//char buffer1[MAXDATA];
//char *str;

int SockConnect(int argc)
{
	
	struct sockaddr_in server_addr;
	struct hostent *host;
	int portnumber;
       /* if(argc!=3)
	{
		fprintf(stderr,"Usage:%s hostname portnumber\a\n",argv[0]);
		exit(1);220.187.26.202
	}*/
	if((host=gethostbyname("210.46.97.100"))==NULL)
	{
		fprintf(stderr,"Get hostname error\n");
		return 1;
	}
	if((portnumber=atoi("9092"))<0)
	{
		//fprintf(stderr,"Usage:%s hostname portnumber\a\n",argv[0]);
		return 1;
	}
	/***Create Socket***/
	if((sockfd=socket(AF_INET,SOCK_STREAM,0))==-1)
	{
		fprintf(stderr,"ErrorNumber:1--Socket Error:%s\a\n",strerror(errno));
		return 2;
	}
	/***Setting***/
	bzero(&server_addr,sizeof(server_addr));
	server_addr.sin_family=AF_INET;
	server_addr.sin_port=htons(portnumber);
	server_addr.sin_addr=*((struct in_addr *)host->h_addr);

	if(connect(sockfd,(struct sockaddr *)(&server_addr),sizeof(struct sockaddr))==-1)
	 fprintf(stderr,"ErrorNumber:2--Connect Error:%s\a\n",strerror);

	return 0;
}

void SockReceiveMessage(void)
	{  int recvbytes;
	   char bufRecv[MAXDATA];
	   //char buffer1[MAXDATA];
	   //pthread_t thread1;
	  printf("Receiving Message is starting.Please wait...\n");
	 if((recvbytes=recv(sockfd,bufRecv,sizeof(bufRecv),0))==-1)
	{
	 fprintf(stderr,"ErrorNumber:4--Receive Error:%s\n",strerror(errno));
	 //exit(1);
	}
	else
	printf("Receiving Message is finished!\n");
	bufRecv[recvbytes]='\0';
	printf("I have received:\n%s\n",bufRecv);
	memset(bufRecv,0,sizeof(bufRecv));
	//pthread_join(thread1,NULL);
	}
void SockSendMessage(char *p)
	{
	int len;
	char bufSend[MAXDATA];
	strcpy(bufSend,p);
	//char *msg = "begin,td,00001,12345678+20+14.5+2007-05-12 10:35:01,end";
	
	printf("Send Message is starting.Please wait...\n");
	len=strlen(bufSend);
	if((sendstatus=send(sockfd,bufSend,len,0))==-1)
	{
		//perror("Send Error");
		fprintf(stderr,"ErrorNumber:3--SendError.\n",strerror(errno));
		//exit(1);
	}
	
	else
	printf("Send Message successlly!\n");
	//exit(0);
	memset(bufSend,0,sizeof(bufSend));
	//pthread_join(thread2,NULL);
	}
void closesocket(void)
{
	close(sockfd);	
}

int main(void)
{	
	char *p = "begin,td,00001,12345678+20+14.5+2007-05-12 10:35:01,end";
	int conne;
	conne = SockConnect(1);
	if(conne!=0){
		printf ("connet failure!\n");
		return 0;
	}else{
		printf ("connet successfully! \n");
	}
	
	
	SockSendMessage(p);
	SockReceiveMessage();
	
	closesocket();
	return 0;
}