sysdis-tp/client.c

#include "client.h"



int main(int argc, char* argv[]){

	/* [1] Initialisation
	=========================================================*/
	/* (1) Socket information */
	struct sockaddr_in server_addr; // server info
	int sock; // socket
	
	/* (2) Misc. information */
	int bytes; // transfer count
	char* to_send = (char*) malloc( BUFSIZE * sizeof(char) );
	char* to_recv = (char*) malloc( BUFSIZE * sizeof(char) );

	


	/* [2] Create UPD socket and get target data
	=========================================================*/
	sock = xconnect("localhost", 4000, &server_addr);

	/* (1-) Manage error */
	if( sock == -1 ){
		perror("erreur création socket");
		exit(1);
	}


	/* [3] Send message
	=========================================================*/
	/* (1) Set message to send */
	strcpy(to_send, "client message");

	/* (2) Send message to server */
	bytes = xsend(sock, to_send, &server_addr);

	/* (3) Check if send succesfully */
	if( bytes == -1 ){
		perror("erreur envoi message");
		exit(1);
	}

	DEBUG&& printf("*** sent %d bytes\n", bytes);



	/* [4] Wait for response
	=========================================================*/
	/* (1) Wait for response */
	bytes = xlisten(sock, &server_addr, to_recv, BUFSIZE);

	/* (2) Check if received successfully (and consistently) */
	if( bytes == -1 ){
		perror("erreur réponse serveur");
		exit(1);
	}

	/* (4) log */
	printf("*** received : '%s'\n", to_recv);


	/* [5] Close socket
	=========================================================*/
	close(sock);

	return 0;
}