#include "server.h"

void traiterClient(int socket){

	requete req;
	int nb_octet;
	int fini=0;
	char i = 0;
	
	
	while(!fini){
		
		nb_octet = read(socket,&req,sizeof(requete));
		IF_NB_OCTET_BREAK
		
		if(nb_octet == 0){
			break;
		}
		
		DEBUG&& printf("Request received (operation/size) : (%d/%d)\n",req.type,req.taille);

		switch(req.type){
		
			case FIN:
			{
				fini = 1;
				break;
			}
			
			case FACTO:
			{
			
				int nb;
				long res;
				
				DEBUG&& debug("loop","FACTO asked");

				nb_octet = read(socket,&nb,sizeof(int));
				IF_NB_OCTET_BREAK
				
				DEBUG&& printf("%d\n",nb);
				
				res = factoriel(nb);
				DEBUG&& debug("loop","Sending result");
				nb_octet = write(socket, &res, sizeof(res));
				IF_NB_OCTET_BREAK
				DEBUG&& printf("done\n");
				
				
				break;
			}
				
			case POW:
			{
				int a,b;
				long res;
				
				nb_octet = read(socket, &a, sizeof(int));
				IF_NB_OCTET_BREAK
				
				nb_octet = read(socket, &b, sizeof(int));
				IF_NB_OCTET_BREAK
				
				res = puissance(a,b);
				nb_octet = write(socket, &res, sizeof(res));
				IF_NB_OCTET_BREAK
			
				break;
			}
				
			case ANALYSE:
			{
				int nb_elem, attendu;
				int* donnees;
				char message[MAX_BUFFER_LENGTH];
				res_analyse_donnees res;
				
				nb_elem = req.taille/sizeof(int);
				donnees = (int*) malloc(nb_elem*sizeof(int));
				attendu = req.taille;
				
				while(attendu > 0){
					nb_octet = read(socket, message, MAX_BUFFER_LENGTH);
					IF_NB_OCTET_BREAK
					memcpy(donnees+(req.taille - attendu), message,nb_octet);
					attendu -= nb_octet;
				}
				
				analyser_donnees(donnees,nb_elem,&res);
				write(socket, &res, sizeof(res));
				free (donnees);
				
				break;
			}
		}

	}
	
}