client.c 1.78 KB
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <poll.h>


#define MAX_BUFF 100


int connexionServeur(char* host, char* service)
{
	int sock_fd;

	struct addrinfo precisions, *resultat=NULL, *origine; // On stocke dans précisions nos besoins pour le socket, dans resultat l'adresse qui respectera les requêtes

	memset(&precisions, 0, sizeof precisions);
	precisions.ai_family = AF_UNSPEC;
	precisions.ai_socktype = SOCK_STREAM;
	
	if(getaddrinfo(host, service, &precisions, &origine)<0) { fprintf(stderr, "Erreur getaddrinfo\n"); return(-1); }
	
	int n=0;
	
	for(struct addrinfo* i=origine; i!=NULL && resultat==NULL; i=i->ai_next)
	{
		printf("%d - ", n);
		if(i->ai_family==AF_INET)
		{
			resultat=i;
			printf("Test : %d", origine->ai_addrlen);
		}

		printf("\n");	
		n++;
	}

	struct sockaddr_in* test=(struct sockaddr_in*)(resultat->ai_addr);
	printf("Addr : %x\n", test->sin_addr.s_addr);
	if((sock_fd=socket(resultat->ai_family, resultat->ai_socktype, resultat->ai_protocol))<0) { fprintf(stderr, "Erreur socket\n"); return(-1); }

	if(connect(sock_fd, resultat->ai_addr, resultat->ai_addrlen) < 0) return(-1);
	
	freeaddrinfo(origine);
	
	return sock_fd;
}


int main(void)
{

	char buffer[100];
	int sock_fd = connexionServeur("localhost", "2020");
	if(sock_fd<0) { fprintf(stderr, "Erreur connexionServeur\n"); return(-1); }

	FILE* sockfd_stream = fdopen(sock_fd, "a+");

	printf("State sock : %p\n", sockfd_stream);

	for(int i=0; i<10; i++)
	{
		fprintf(sockfd_stream, "YES !!!\n");	
	
		//fprintf(sockfd_stream, "EXIT\n");

		fgets(buffer, 100, sockfd_stream);
	}
	fprintf(sockfd_stream, "EXIT\n");
	fclose(sockfd_stream);	
	shutdown(sock_fd, SHUT_RDWR);
	
	
	return 0;
}