/*
 * client.c
 *
 * Copyright 2017 Unknown <s01116@lab4-pc14>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 *
 *
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <errno.h>

#define SOCKET_ERROR ((int)-1)
#define SERVER_PORT 1324
#define MAXSIZE 10

int main(int argc, char **argv)
{
	char indirizzoServer[]="127.0.0.1";
	char messaggio[]="ciao";
	char buffer[MAXSIZE];
	char ch,chMaiu;
	int ris,nwrite,len;
	int socketfd;
	struct sockaddr_in locale,remoto;

	locale.sin_family=AF_INET;
	locale.sin_addr.s_addr=htonl(INADDR_ANY);
	locale.sin_port=htons(0);
	remoto.sin_family=AF_INET;
	remoto.sin_addr.s_addr=inet_addr(indirizzoServer);
	remoto.sin_port=htons(SERVER_PORT);

	printf("Creazione del socket()\n");
	socketfd=socket(AF_INET,SOCK_STREAM,0);
	if(socketfd==SOCKET_ERROR)
	{
		printf("fallito il bind(),errore: %d \"%s\"\n",errno,strerror(errno));
		return(1);
	}

	printf("bind()\n");
	ris=bind(socketfd,(struct sockaddr*)&locale,sizeof(locale));
	if(ris==SOCKET_ERROR)
	{
		printf("fallito il bind(),errore: %d \"%s\"\n",errno,strerror(errno));
		return(3);
	}

	printf("connect()\n");
	ris=connect(socketfd,(struct sockaddr*)&remoto,sizeof(remoto));
	if(ris==SOCKET_ERROR)
	{
		printf("fallita la connect(),errore: %d \"%s\"\n",errno,strerror(errno));
		fflush(stdout);
		return(4);
	}

	len=strlen(messaggio);
	printf("\nstringa lunga: %d \n",len);
	for(nwrite=0;nwrite<len;nwrite++)
	{
		write(socketfd,&(messaggio[nwrite]),1);
		if(read(socketfd,&chMaiu,1)>0)
		{
			printf("carattere ricevuto: %c\n",chMaiu);
			buffer[nwrite]=chMaiu;
		}
	}
	close(socketfd);
	return 0;
}