Ejemplo n.º 1
0
void *
threadPLP(void* vacio)
{
  int PIDActual = 0;
  setvbuf(stdout, NULL, _IONBF, 0);
  log_info(log_kernel,"Se inicio el PLP");



  pthread_t hilo_PLP_destruccion;
  pthread_create(&hilo_PLP_destruccion, NULL, hiloDestruccion, NULL );

  int socketEscucha;
  socketEscucha = setup_listen(configuration.ipKernel,configuration.puertoProg);
  log_info(log_kernel,"El PLP escucha en el socket %d",socketEscucha);
  while (1)
    {
      t_datosEnviar * paquete;
      listen(socketEscucha, 1000);
      struct sockaddr_in addr;
      socklen_t addrlen = sizeof(addr);
      int socketCliente;
      socketCliente = accept(socketEscucha, (struct sockaddr *) &addr,
          &addrlen);

      log_info(log_kernel,"Se recibio una script nueva en el socket %d",socketCliente);

      paquete = common_receive(socketCliente, NULL );
      atenderProgramaEntrante(paquete, socketCliente, &PIDActual);

    }
  pthread_join(hilo_PLP_destruccion, NULL );
  return NULL ;

}
Ejemplo n.º 2
0
int main(int argc, char **argv)
{
  int pth1;  

  pthread_t thread_serv_listen;
  pthread_attr_t attr; // set of attributes for the thread 
  pthread_attr_init(&attr); // get the default attributes 

  s = setup_listen(SERVER_PORT);
  if (s < 0) {
    printf("error opening server\n");
    exit(1);
  }else{
    printf("server started\n");
  }

  if( (pth1 = pthread_create( &thread_serv_listen, &attr, server_listen, NULL)) ){
    printf("Server listen thread creation failed: %d\n", pth1);
  }else{
    printf("Server thread created\n");
  }


  while(1){
//    printf("while1 read temp\n");
    usleep(1000000); // cakamo eno sekundo
    buf_put((element_t)get_temp());
  }
  close(s);

  return 0;
}
Ejemplo n.º 3
0
void *
threadPLP(void* vacio)
{
  int PIDActual = 0;
  setvbuf(stdout, NULL, _IONBF, 0);
  puts("[KERNEL] - [PLP] - ESCUCHANDO\n");

  pthread_t hilo_PLP_destruccion;
  pthread_t hilo_PLP_multiprogramacion;

  pthread_create(&hilo_PLP_destruccion, NULL, hiloDestruccion, NULL );
  pthread_create(&hilo_PLP_multiprogramacion, NULL, hiloMultiprogramacion,
      NULL );

  int socketEscucha;
  socketEscucha = setup_listen(configuration.puertoProg);
  while (1)
    {
      setvbuf(stdout, NULL, _IONBF, 0);
      t_datosEnviar * paquete;
      listen(socketEscucha, 1000);
      struct sockaddr_in addr;
      socklen_t addrlen = sizeof(addr);
      int socketCliente;
      socketCliente = accept(socketEscucha, (struct sockaddr *) &addr,
          &addrlen);


      paquete = common_receive(socketCliente, NULL );
      atenderProgramaEntrante(paquete, socketCliente, &PIDActual);

    }
  pthread_join(hilo_PLP_destruccion, NULL );
  pthread_join(hilo_PLP_multiprogramacion, NULL );
  return NULL ;

}
int main(int argc, char **argv) {
	char buf[1000];
	int socket_listen;
	int socket_talk;
	int dummy, len;
	threadpool pool;
	struct timeval then, now, diff;
	if (argc != 2) {
		fprintf(stderr, "(SERVER): Invoke as  './server socknum'\n");
		fprintf(stderr, "(SERVER): for example, './server 4434'\n");
		exit(-1);
	}

	/*
	 * Set up the 'listening socket'.  This establishes a network
	 * IP_address:port_number that other programs can connect with.
	 */
	pool = create_threadpool(POOL_SIZE,NULL);
	socket_listen = setup_listen(argv[1]);

	/*
	 * Here's the main loop of our program.  Inside the loop, the
	 * one thread in the server performs the following steps:
	 *
	 *  1) Wait on the socket for a new connection to arrive.  This
	 *     is done using the "accept" library call.  The return value
	 *     of "accept" is a file descriptor for a new data socket associated
	 *     with the new connection.  The 'listening socket' still exists,
	 *     so more connections can be made to it later.
	 *
	 *  2) Read a request off of the listening socket.  Requests
	 *     are, by definition, REQUEST_SIZE bytes long.
	 *
	 *  3) Process the request.
	 *
	 *  4) Write a response back to the client.
	 *
	 *  5) Close the data socket associated with the connection
	 */
	gettimeofday(&then, NULL);
	while (1) {

		socket_talk = saccept(socket_listen);  // step 1
		if (socket_talk < 0) {
			fprintf(stderr, "An error occured in the server; a connection\n");
			fprintf(stderr, "failed because of ");
			perror("");
			exit(1);
		}

		dispatch(pool, request_client, (void *) socket_talk);
		count_dispatches++;
		if (count_dispatches == 10) {
			double seconds;  //elapsed time in seconds between then and now
			gettimeofday(&now, NULL);
			timersub(&now, &then, &diff);
			seconds = 1000000*diff.tv_sec + diff.tv_usec;

			fprintf(stdout, "Loops: %6d  Threads: %2d Dispatches/sec: %10.3f\n",
					NUM_LOOPS, POOL_SIZE, seconds/1000);
		}

	}
}
Ejemplo n.º 5
0
	THREAD_RV THREAD_CC
channel_thread_loop(void* in_val)
{
	tbus objs[32];
	int num_objs;
	int timeout;
	int error;
	THREAD_RV rv;
	log_message(&log_conf, LOG_LEVEL_DEBUG, "chansrv[channel_thread_loop]: "
			"channel_thread_loop: thread start");
	rv = 0;
	error = setup_listen();
	if (error == 0)
	{
		timeout = 0;
		num_objs = 0;
		objs[num_objs] = g_term_event;
		num_objs++;
		trans_get_wait_objs(g_lis_trans, objs, &num_objs, &timeout);
		while (g_obj_wait(objs, num_objs, 0, 0, timeout) == 0)
		{
			if (g_is_wait_obj_set(g_term_event))
			{
				log_message(&log_conf, LOG_LEVEL_DEBUG, "chansrv[channel_thread_loop]: "
						"channel_thread_loop: g_term_event set");
				//clipboard_deinit();
				//sound_deinit();
				//dev_redir_deinit();
				//seamrdp_deinit();
				user_channel_deinit();
				break;
			}
			if (g_lis_trans != 0)
			{
				if (trans_check_wait_objs(g_lis_trans) != 0)
				{
					log_message(&log_conf, LOG_LEVEL_WARNING, "chansrv[channel_thread_loop]: "
							"trans_check_wait_objs error");
				}
			}
			if (g_con_trans != 0)
			{
				if (trans_check_wait_objs(g_con_trans) != 0)
				{
					log_message(&log_conf, LOG_LEVEL_WARNING, "chansrv[channel_thread_loop]: "
							"trans_check_wait_objs error resetting");
					//clipboard_deinit();
					//sound_deinit();
					//dev_redir_deinit();
					//seamrdp_deinit();
					user_channel_deinit();

					trans_delete(g_con_trans);
					g_con_trans = 0;
					error = setup_listen();
					if (error != 0)
					{
						break;
					}
				}
			}
			//clipboard_check_wait_objs();
			//sound_check_wait_objs();
			//dev_redir_check_wait_objs();
			//seamrdp_check_wait_objs();
			user_channel_check_wait_objs();
			timeout = 0;
			num_objs = 0;
			objs[num_objs] = g_term_event;
			num_objs++;
			trans_get_wait_objs(g_lis_trans, objs, &num_objs, &timeout);
			trans_get_wait_objs(g_con_trans, objs, &num_objs, &timeout);
			//clipboard_get_wait_objs(objs, &num_objs, &timeout);
			//sound_get_wait_objs(objs, &num_objs, &timeout);
			//dev_redir_get_wait_objs(objs, &num_objs, &timeout);
			//seamrdp_get_wait_objs(objs, &num_objs, &timeout);
			user_channel_get_wait_objs(objs, &num_objs, &timeout);

		}
	}
	trans_delete(g_lis_trans);
	g_lis_trans = 0;
	trans_delete(g_con_trans);
	g_con_trans = 0;
	log_message(&log_conf, LOG_LEVEL_DEBUG, "chansrv[channel_thread_loop]: "
			"channel_thread_loop: thread stop");
	g_set_wait_obj(g_thread_done_event);
	return rv;
}
Ejemplo n.º 6
0
int main(int argc, char **argv) {

	remove("/tp-2015-2c-signiorcodigo/swap/log_swap");

	swapConfig = config_create("/tp-2015-2c-signiorcodigo/swap/swapConfig");

	setupSwap();

	setPages();

	int socketEscucha, socketMemoria;

	char * puerto = getPort();

	socketEscucha = setup_listen("localhost", puerto);

	socketMemoria = esperarConexionEntrante(socketEscucha, 1024, log_swap);

	t_data * paqueteInicio = leer_paquete(socketMemoria);

	if (paqueteInicio->header->codigo_operacion == 1) {

		int datonulo = 0;

		paqueteInicio = pedirPaquete(2, sizeof(int), &datonulo);

		common_send(socketMemoria, paqueteInicio);

		log_info(log_swap, "Conectado con la memoria en el socket: %d",
				socketMemoria);

	} else {

		log_info(log_swap, "Falla en la conexion con la memoria");

		exit(EXIT_FAILURE);
	}

	t_data * paquete;

	while (1) {

		paquete = leer_paquete(socketMemoria);

		switch (paquete->header->codigo_operacion) {

		case LEER: {

			int pid, page;

			memcpy(&pid, paquete->data, sizeof(int));
			memcpy(&page, paquete->data + sizeof(int), sizeof(int));

			char * content = readProcessPage(pid, page);

			paquete = pedirPaquete(LEER, getSwapPagesSize(), content);

			common_send(socketMemoria, paquete);

			break;
		}

		case ESCRIBIR: {

			int pid, page;
			char * content = malloc(getSwapPagesSize());

			memcpy(&pid, paquete->data, sizeof(int));
			memcpy(&page, paquete->data + sizeof(int), sizeof(int));
			memcpy(content, paquete->data + 2 * sizeof(int),
					getSwapPagesSize());

			writeProcessPage(pid, page, content);

			break;
		}

		case INICIAR: {

			int pid, pagesAmount;

			memcpy(&pid, paquete->data, sizeof(int));
			memcpy(&pagesAmount, paquete->data + sizeof(int), sizeof(int));

			int blank_pages = getBlankPages();
			int success;

			if (blank_pages >= pagesAmount) {
				success = reserve(pid, pagesAmount);

				if (success == -1) {
					compact();
					success = reserve(pid, pagesAmount);
				}
			}else{
				success = -1;
			}


			if (success == -1) {

				paquete = pedirPaquete(0, sizeof(int), &pid);
				log_info(log_swap,
						"No se pudo reservar las paginas solicitadas para el proceso con pid: %d",
						pid);

			} else {

				paquete = pedirPaquete(1, sizeof(int), &pid);
				int absolutePage = getProcessFirstPage(pid);

				int byteInicial = absolutePage * getSwapPagesSize();

				int size = pagesAmount * getSwapPagesSize();

				log_info(log_swap,
						"Se inicia el proceso %d en el byte %d con tamanio %d",
						pid, byteInicial, size);

			}

			common_send(socketMemoria, paquete);

			break;
		}

		case FINALIZAR: {

			int pid;

			memcpy(&pid, paquete->data, sizeof(int));

			int processSpace = getProcessReservedSpace(pid)
					* getSwapPagesSize();

			int byteInicial = getProcessFirstPage(pid) * getSwapPagesSize();

			freeSpace(pid);

			log_info(log_swap,
					"Proceso %d liberado. N° de byte inicial: %d, y tamaño en bytes: %d",
					pid, byteInicial, processSpace);

			break;
		}

		default: {

			break;
		}

		}

	}

	return 0;
}
Ejemplo n.º 7
0
THREAD_RV THREAD_CC
channel_thread_loop(void *in_val)
{
    tbus objs[32];
    int num_objs;
    int timeout;
    int error;
    THREAD_RV rv;

    LOGM((LOG_LEVEL_INFO, "channel_thread_loop: thread start"));
    rv = 0;
    setup_api_listen();
    error = setup_listen();

    if (error == 0)
    {
        timeout = -1;
        num_objs = 0;
        objs[num_objs] = g_term_event;
        num_objs++;
        trans_get_wait_objs(g_lis_trans, objs, &num_objs);
        trans_get_wait_objs(g_api_lis_trans, objs, &num_objs);

        while (g_obj_wait(objs, num_objs, 0, 0, timeout) == 0)
        {
            if (g_is_wait_obj_set(g_term_event))
            {
                LOGM((LOG_LEVEL_INFO, "channel_thread_loop: g_term_event set"));
                clipboard_deinit();
                sound_deinit();
                dev_redir_deinit();
                rail_deinit();
                break;
            }

            if (g_lis_trans != 0)
            {
                if (trans_check_wait_objs(g_lis_trans) != 0)
                {
                    LOGM((LOG_LEVEL_INFO, "channel_thread_loop: "
                          "trans_check_wait_objs error"));
                }
            }

            if (g_con_trans != 0)
            {
                if (trans_check_wait_objs(g_con_trans) != 0)
                {
                    LOGM((LOG_LEVEL_INFO, "channel_thread_loop: "
                          "trans_check_wait_objs error resetting"));
                    clipboard_deinit();
                    sound_deinit();
                    dev_redir_deinit();
                    rail_deinit();
                    /* delete g_con_trans */
                    trans_delete(g_con_trans);
                    g_con_trans = 0;
                    /* create new listener */
                    error = setup_listen();

                    if (error != 0)
                    {
                        break;
                    }
                }
            }

            if (g_api_lis_trans != 0)
            {
                if (trans_check_wait_objs(g_api_lis_trans) != 0)
                {
                    LOG(0, ("channel_thread_loop: trans_check_wait_objs failed"));
                }
            }

            LOG(10, ("0 %p", g_api_con_trans));

            if (g_api_con_trans != 0)
            {
                LOG(10, ("1 %p %d", g_api_con_trans, g_tcp_can_recv(g_api_con_trans->sck, 0)));

                if (trans_check_wait_objs(g_api_con_trans) != 0)
                {
                    LOG(10, ("channel_thread_loop: trans_check_wait_objs failed, "
                             "or disconnected"));
                    g_free(g_api_con_trans->callback_data);
                    trans_delete(g_api_con_trans);
                    g_api_con_trans = 0;
                }
            }

            xcommon_check_wait_objs();
            sound_check_wait_objs();
            dev_redir_check_wait_objs();
            fuse_check_wait_objs();
            timeout = -1;
            num_objs = 0;
            objs[num_objs] = g_term_event;
            num_objs++;
            trans_get_wait_objs(g_lis_trans, objs, &num_objs);
            trans_get_wait_objs(g_con_trans, objs, &num_objs);
            trans_get_wait_objs(g_api_lis_trans, objs, &num_objs);
            trans_get_wait_objs(g_api_con_trans, objs, &num_objs);
            xcommon_get_wait_objs(objs, &num_objs, &timeout);
            sound_get_wait_objs(objs, &num_objs, &timeout);
            dev_redir_get_wait_objs(objs, &num_objs, &timeout);
            fuse_get_wait_objs(objs, &num_objs, &timeout);
        }
    }

    trans_delete(g_lis_trans);
    g_lis_trans = 0;
    trans_delete(g_con_trans);
    g_con_trans = 0;
    trans_delete(g_api_lis_trans);
    g_api_lis_trans = 0;
    trans_delete(g_api_con_trans);
    g_api_con_trans = 0;
    LOGM((LOG_LEVEL_INFO, "channel_thread_loop: thread stop"));
    g_set_wait_obj(g_thread_done_event);
    return rv;
}