tcpclient.c.bak

linux下简单的聊天工具,测试通过,有基本的聊天功能

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "tcpclient.h"



int main(int argc, char *argv[])
{
	int cstcp,csudp,ccudp;
	int server_port=8000; //c-s tcp port
  	int CC_port=5000;	//c-c udp port
  	struct hostent *hostPtr = NULL;
  	struct sockaddr_in adr_srvr = { 0 };
  	struct sockaddr_in CC_link = { 0 };
  	char hostname[80] = "";
  	char buf[bufsize+1]="";
  	char *msg;
  	char *S_addr = NULL;
  	int recvn;
  	int childPid;

  	if (2 != argc){
    	fprintf(stderr, "Usage: %s <serverAddress> \n", argv[0]);
    	exit(1);
  	}

  	S_addr = argv[1];
  	cstcp = tcpSocket();
  	CreateSockAddr2(S_addr,&adr_srvr,server_port);	//C-S
  	//(void) memset(&adr_srvr, 0, sizeof(adr_srvr));
  	/*adr_srvr.sin_addr.s_addr = inet_addr(S_addr);//htonl(INADDR_ANY);
  	adr_srvr.sin_family = AF_INET;
  	adr_srvr.sin_port = htons(port);*/
  	Connect(cstcp,(struct sockaddr*) &adr_srvr);
  	msg="Client is starting\n";
  	Send(cstcp,msg);
  	Recv(cstcp,buf);
  	printf("%s",buf);
  	printf("Connect to server successfully,please input your nickname\n");
  	Fgets(buf);
  	Send(cstcp,buf);	//send user name
  	bzero(buf,bufsize);
  	Recv(cstcp,buf);
  	while(strncmp(buf,":x",2)==0)
  	{
    	printf("%s","The name has been used,please change your name:\n");
    	Fgets(buf);
    	Send(cstcp,buf);	//send user name
    	bzero(buf,bufsize);
    	Recv(cstcp,buf);
  	}
  	printf("%s",buf);
  	Send(cstcp,":l");	//send com to get userlist form server
  	printf("OnLine Users:\n");
  	bzero(buf,bufsize);
  	Recv(cstcp,buf);	//get userlist from server
  	printf("%s",buf);

  	childPid = fork();

  	switch (childPid){
  	case -1: // ERROR
    	perror("fork()");
    	exit(1);
  	case 0: // child process
    	while(1){
      	bzero(buf,bufsize);
      	if(Recv(cstcp,buf)>0)
        if(strncmp(buf,":q",2)==0)
	exit(0);	//get userlist from server
      	printf("%s",buf);
	}
  	default :
    	while(1){
      	bzero(buf,bufsize);
      	Fgets(buf);
      	Send(cstcp,buf);
      	if(strncmp(buf,":q",2)==0)
        exit(0);
	 }
  	}

return EXIT_SUCCESS;
}