//Funcion start
int start_client(const u_short port, const char ip[], const char remoteFilename[], const char localFilename[]) {
int socket;
socket = newTCPClientSocket4(ip, port);
if(socket == -1) {
return 1;
}
start_protocol(socket,remoteFilename,localFilename);
closeTCPSocket(socket);
debug(2,"Close connection (%s:%u)",ip,port);
return 0;
}
int start_client(const u_short port, const char ip[], const char remoteFilename[], const char localFilename[]) { //Esta funcion inicia el cliente si no hay errores al crear el socket del cliente
int socket;
socket = newTCPClientSocket4(ip, port);
if(socket == -1) { //Si hubo un error al crear el socket, regresa un 1
return 1;
}
//si no hubo errores, iniciamos el protocolo
beginProtocol(socket,remoteFilename,localFilename);
closeTCPSocket(socket); //cerramos el socket
//debug(2,"Close connection (%s:%u)",ip,port);
return 0;
}
int get_LIST(const u_short port, const char ip[]) {
int socket;
char *list,*end;
char *readBuffer = (char *) malloc(255);
char *writeBuffer = (char *) malloc(255);
int readBytes;
socket = newTCPClientSocket4(ip, port); //Creamos el socket del cliente
if(socket == -1) { //Si no se pudo, error, regresamos un 1
return 1;
}
//Si todo salio bien...
sprintf(writeBuffer,"LIST\r\n\r\n"); //imprimimos en writeBuffer el header LIST
sendLine(socket,writeBuffer); //y lo escribimos en el socket
//ahora leemos la respuesta al LIST
list = (char *) malloc(254); //list guardará la lista de archivos del cliente
while((readBytes = read(socket,readBuffer,1))>0) {//leemos byte por byte readBuffer
list = (char *) realloc(list,strlen(list)+readBytes+1);
strncat(list,readBuffer,readBytes);//concatenamos en list lo que se haya leido en readBuffer
end = list+(strlen(list)-4);//colocamos end 4 bytes antes del final de list
if(strcmp(end,"\r\n\r\n")==0) { //si hemos llegado al final del bufer:
*end = '\0'; //Colocamos un caracter nulo
break; //Solo entonces dejamos de leer
}
}
printf("Esta es la lista de archivos del host:\n");
printf("%s\n",list); //entonces imprimimos la lista entera
//Liberamos la memoria de los punteros.
free(list);
free(readBuffer);
free(writeBuffer);
///Y cerramos el socket...
//debug(2,"Close connection (%s:%u)",ip,port);
closeTCPSocket(socket);
return 0;
}
//Funcion GET list
int get_list(const u_short port, const char ip[]) {
int socketf;
char *list;
char *readBuffer = (char *) malloc(255);
char *writeBuffer = (char *) malloc(255);
int readBytes;
char *ptr;
socketf = newTCPClientSocket4(ip, port);
if(socketf == -1) {
return 1;
}
sprintf(writeBuffer,"LIST\r\n\r\n");
sendLine(socketf,writeBuffer);
//LEEMOS LA RESPUESTA AL GET
list = (char *) malloc(254);
while((readBytes = read(socketf,readBuffer,1))>0) {
list = (char *) realloc(list,strlen(list)+readBytes+1);
strncat(list,readBuffer,readBytes);
ptr = list+(strlen(list)-4);
if(strcmp(ptr,"\r\n\r\n")==0) {
*ptr = '\0';
break;
}
}
printf("%s",list);
free(list);
free(readBuffer);
free(writeBuffer);
debug(2,"Close connection (%s:%u)",ip,port);
closeTCPSocket(socketf);
for(;;);
return 0;
}
//Funcion start
int start_client(const u_short port, const char ip[], const char remoteFilename[], const char localFilename[]) {
int socketf;
socketf = newTCPClientSocket4(ip, port);
int sockfd;
pid_t pid;
struct sockaddr_in servaddr;
//if (argc != 2) {
// puts("usage: cli <IPaddress>");
// exit(1);
//}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(6000);
inet_pton(AF_INET, "192.168.1.255", &servaddr.sin_addr);
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if ((pid = fork()) == 0) {
dg_cli(stdin, sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr));
exit(0);
}
if(socketf == -1) {
return 1;
}
start_protocol(socketf,remoteFilename,localFilename);
closeTCPSocket(socketf);
debug(2,"Close connection (%s:%u)",ip,port);
sleep(2);
return 0;
}
