cln.c

linux下通讯软件.实现了linux下一对多的通讯.

#include "kapp.h"

int main(int argc,char * argv[])
{
	int sckCln,numbytes;
	int iRsl = 0;
	struct sockaddr_in srv;
	char tmpbuf[128];
	char buf[MAXDATASIZE];
	struct hostent *he;
	pthread_t tid;
	
	AppInit();

	if(argc !=2 )
	{
		sprintf(tmpbuf,"Usage: %s <IP Address>",argv[0]);
		ShowTips(tmpbuf);
		KExit("Try again!");
	}

	if((he = (struct hostent *)gethostbyname(argv[1])) == NULL)
	{
		KExit("gethostbyname() error");
	}

	if((sckCln = socket(AF_INET,SOCK_STREAM,0)) == -1)
	{
		KExit("Create Socket failed!");
	}

	bzero(&srv,sizeof(srv));
	srv.sin_family = AF_INET;
	srv.sin_port = htons(PORT);

	srv.sin_addr = *((struct in_addr *)he->h_addr);

	if(connect(sckCln,(struct sockaddr*)&srv,sizeof(struct sockaddr)) == -1)
	{
		KExit("connect() failed!");
		
	}

	pthread_create(&tid,NULL,KRecv,(void*)sckCln);
	ShowTips("Input message for transfering to server:");
	while(1)
	{
		bzero(buf,MAXDATASIZE);
		GetSendingMsg(buf);
		numbytes = send(sckCln,buf,strlen(buf),0);
		if(numbytes == -1) KExit("send() failed!");
		if(strncmp(buf,"exit",4) == 0) break;
	}
	close(sckCln);
	AppClean();
	return 0;
}