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|
#include <stdlib.h>
#include <stdio.h>
#include <linux/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string.h>
#include <errno.h>
#include "afps.h"
typedef struct sockaddr_in sockaddr_in;
typedef struct sockaddr sockaddr;
typedef struct aspartrame aspartrame;
int initbuf(char* buf){
char* tmp = buf;
for(tmp; tmp < buf + strlen(buf); tmp++){
*tmp = 0;
}
return EXIT_SUCCESS;
}
//Fonction de construction de l'aspartrame
void make_aspartrame(aspartrame* asp, char* action, char* data, char remains){
strcpy(asp->action, action);
asp->remains = remains;
strcpy(asp->data, data);
asp->data_size = strlen(asp->data);
}
int main(int argc,char** argv){
aspartrame asp = {0};
FILE* log;
log = fopen("serv.log", "w+");
int sd; /* Socket Descriptor */
int arg_port = 0;
int domain, type, protocol;
domain = type = protocol = 0;
char cmd[5] = {0};
char arg[101] = {0};
char path[256] = {0};
char data_buf[8000000] = {0};
FILE* file;
/* creation du socket */
printf("creation socket\n");
sd = socket(AF_INET, SOCK_STREAM, 0);
if(sd == INVALID_SOCKET){
perror("socket()");
exit(errno);
}
/* creation de l'interface */
printf("creation interface\n");
sockaddr_in sin = { 0 }; //structure d'adresse locale
sin.sin_addr.s_addr = htonl(INADDR_ANY); //On se met en écoute de toutes les adresses
sin.sin_family = AF_INET;
sin.sin_port = htons(PORT);
//Affichage de l'en tête serveur de debug
printf(" ------- Lancement du serveur de fichier(s) \n");
printf(" ------- Port d'ecoute : %d\n", arg_port);
if( bind(sd, (sockaddr *) &sin, sizeof(sin) ) == SOCKET_ERROR)
{
perror("bind()");
exit(errno);
}
/* Configuration de la file d'attente et démarrage de l'écoute */
printf("demarrage ecoute\n");
if(listen(sd, SIMULTANEOUS_CONNECTIONS) == SOCKET_ERROR)
{
perror("listen()");
exit(errno);
}
sockaddr_in csin = { 0 };
int csd = 0; // Client Socket Descriptor
int sinsize = 0;
char buf[256] = { 0 };
char motcode[32] = { 0 };
while(1){
sinsize = sizeof csin;
//Autorisation de connexion et création d'un nouveau socket pour la communication
csd = accept(sd, (sockaddr *)&csin, &sinsize);
printf("CSD = %d\n",csd);
printf("SD = %d\n", sd);
make_aspartrame(&asp, "msg", "hello!", 0);
printf("coucou\n");
printf("pointeur asp = %p\n", &asp);
printf("Asp.action = %s\n",asp.action);
printf("Asp.data = %s\n",asp.data);
send(csd,"pouet",sizeof(asp), 0);
//send(csd,&asp,sizeof(asp), 0);
//send(csd,"A4PH9",6, 0);
/* envoi message de bienvenue */
initbuf(buf);
//printf("Strlen(buf) = %d",strlen(buf));
recv(csd,&asp,sizeof(asp),0);
//printf("Strlen(buf) = %d",strlen(buf));
//printf("Buf = %s\n",buf);
if(strcmp(asp.data, "ready?")){ //Si la data ne contient pas "ready?"
printf("Client n'utilisant pas le protocole :%s.\n", asp.data);
close(csd);
}else{
printf("Client utilisant le protocole :%s.\n", asp.data);
make_aspartrame(&asp, "msg", "ready!", 0);
printf("coucou\n");
printf("pointeur asp = %p\n", &asp);
printf("Asp.action = %s\n",asp.action);
printf("Asp.data = %s\n",asp.data);
send(csd,&asp,sizeof(aspartrame), 0);
printf("Confirmation de connexion envoyée : %s\n", asp.data);
// fopen("schtroumpf", "w+");
// ecoute permanente
while(csd != INVALID_SOCKET){
if( csd < 0 ){
perror("accept()");
exit(errno);
}
/* Attente du paquet client */
//initbuf(buf);
//int lon;
//if ((lon = read(csd, buf, sizeof(buf))) <=0) return;
recv(csd, &asp, sizeof(asp), 0);
//buf[lon-1] = '\0';
//printf("Message reçu\n");
/* Interprétation du contenu */
//sscanf(buf, "%s %[^\n]", cmd, arg);
printf("\nValeurs saisies");
printf("Cmd=%s.\n",asp.action);
printf("Data=%s.\n",asp.data);
if(!strcmp(asp.action, "stop")){
printf("fermeture csd\n");
close(csd);
csd = 0;
//Cas du téléchargement de fichier
}else if(!strcmp(asp.action, "dl")){
printf("vous souhaitez télécharger le fichier %s.\n", asp.data);
strcpy(path, DEFAULT_PATH);
strcat(path, asp.data);
file = fopen(path, "rb");
if( file == NULL){
printf("Le fichier %s n'existe pas\n", path);
}else{
printf("Le fichier %s existe bien\n", path);
fread(data_buf, DATA_MAX_SIZE, 1, file);
make_aspartrame(&asp, "dlr", data_buf, 0);
send(csd,&asp,sizeof(asp), 0);
}
}else if(!strcmp(asp.action, "ul")){
printf("vous souhaitez télécharger le fichier %s", asp.data);
}else{
printf("Ce n'est pas une commande correcte !\n");
}
if(!strcmp(asp.action, "client")){
printf("SERVEUR !\n");
}
//initbuf(cmd);
//initbuf(arg);
}
}
}
/* fermeture du socket */
close(sd);
fclose(log);
return EXIT_SUCCESS;
} |
