/*COICLIENT - CLIENT CONNESSION ORIENTED SU INTERNET*/

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>

#define NSTRS 3
#define MSGLEN 32

main(argc, argv)
  int argc;
  char *argv[];
{
	
	register int i,  ns,nl;
	int fromlen, pid;
	struct hostent *hp;
	struct  sockaddr_in name, name1;
	char str1[1024];

	if ((ns = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
		perror("client:socket");
		exit(1);
	}

	if ((nl = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
		perror("client:socket");
		exit(1);
	}

	hp = gethostbyname(argv[1]);
	if (hp == 0) {
		fprintf(stderr, "%s: host sconosciuto", argv[1]);
		exit(2);
	}

	bcopy((char *)hp->h_addr,(char *)&name.sin_addr,hp->h_length);

	name.sin_family = AF_INET;
	name.sin_port = htons(atoi(argv[2]));

	bcopy((char *)hp->h_addr,(char *)&name1.sin_addr,hp->h_length);

	name1.sin_family = AF_INET;
	name1.sin_port = htons(atoi(argv[2])*2);

	if (connect(ns, &name, sizeof name) < 0) {
		perror("client: connect1");
		exit(1);
	}
	
        if (connect(nl, &name1, sizeof name1) < 0) {
		perror("client: connect2");
		exit(1);
	}
	i=0;
	while(1)
	{
		printf("write eseguita %d\n",
                   write(ns,argv[3], MSGLEN));
		
	  	fromlen = read(nl, str1,MSGLEN);
		str1[fromlen] = '\0';
		printf("%d: %s dim:%d\n",i,str1, fromlen);
		i++;

	}
	close(ns);
	exit(0);
}