Ejemplos de mars_recv_struct en C++ (Cpp)

Ejemplo n.º 1

Archivo: sy_net.c Proyecto: 1and1/mars

int mars_recv_dent_list(struct mars_socket *sock, struct list_head *anchor)
{
	int status;
	for (;;) {
		struct mars_dent *dent = brick_zmem_alloc(sizeof(struct mars_dent));
		if (!dent)
			return -ENOMEM;

		//MARS_IO("\n");

		INIT_LIST_HEAD(&dent->dent_link);
		INIT_LIST_HEAD(&dent->brick_list);

		status = mars_recv_struct(sock, dent, mars_dent_meta);
		if (status <= 0) {
			mars_free_dent(dent);
			goto done;
		}
		list_add_tail(&dent->dent_link, anchor);
	}
done:
	return status;
}

Ejemplo n.º 2

Archivo: mars_client.c Proyecto: ZyanKLee/mars

static
int receiver_thread(void *data)
{
	struct client_output *output = data;
	int status = 0;

        while (!brick_thread_should_stop()) {
		struct mars_cmd cmd = {};
		struct list_head *tmp;
		struct client_mref_aspect *mref_a = NULL;
		struct mref_object *mref = NULL;
		unsigned long flags;

		status = mars_recv_struct(&output->socket, &cmd, mars_cmd_meta);
		MARS_IO("got cmd = %d status = %d\n", cmd.cmd_code, status);
		if (status < 0)
			goto done;

		switch (cmd.cmd_code & CMD_FLAG_MASK) {
		case CMD_NOTIFY:
			mars_trigger();
			break;
		case CMD_CONNECT:
			if (cmd.cmd_int1 < 0) {
				status = cmd.cmd_int1;
				MARS_ERR("at remote side: brick connect failed, remote status = %d\n", status);
				goto done;
			}
			break;
		case CMD_CB:
		{
			int hash_index = cmd.cmd_int1 % CLIENT_HASH_MAX;

			traced_lock(&output->lock, flags);
			for (tmp = output->hash_table[hash_index].next; tmp != &output->hash_table[hash_index]; tmp = tmp->next) {
				struct mref_object *tmp_mref;
				mref_a = container_of(tmp, struct client_mref_aspect, hash_head);
				tmp_mref = mref_a->object;
				if (unlikely(!tmp_mref)) {
					traced_unlock(&output->lock, flags);
					MARS_ERR("bad internal mref pointer\n");
					status = -EBADR;
					goto done;
				}
				if (tmp_mref->ref_id == cmd.cmd_int1) {
					mref = tmp_mref;
					list_del_init(&mref_a->hash_head);
					list_del_init(&mref_a->io_head);
					break;
				}
			}
			traced_unlock(&output->lock, flags);

			if (unlikely(!mref)) {
				MARS_WRN("got unknown id = %d for callback\n", cmd.cmd_int1);
				status = -EBADR;
				goto done;
			}

			MARS_IO("got callback id = %d, old pos = %lld len = %d rw = %d\n", mref->ref_id, mref->ref_pos, mref->ref_len, mref->ref_rw);

			status = mars_recv_cb(&output->socket, mref, &cmd);
			MARS_IO("new status = %d, pos = %lld len = %d rw = %d\n", status, mref->ref_pos, mref->ref_len, mref->ref_rw);
			if (unlikely(status < 0)) {
				MARS_WRN("interrupted data transfer during callback, status = %d\n", status);
				_hash_insert(output, mref_a);
				goto done;
			}

			SIMPLE_CALLBACK(mref, 0);

			client_ref_put(output, mref);

			atomic_dec(&output->fly_count);
			atomic_dec(&mars_global_io_flying);
			break;
		}
		case CMD_GETINFO:
			status = mars_recv_struct(&output->socket, &output->info, mars_info_meta);
			if (status < 0) {
				MARS_WRN("got bad info from remote side, status = %d\n", status);
				goto done;
			}
			output->got_info = true;
			wake_up_interruptible(&output->info_event);
			break;
		default:
			MARS_ERR("got bad command %d from remote side, terminating.\n", cmd.cmd_code);
			status = -EBADR;
			goto done;
		}
	done:
		brick_string_free(cmd.cmd_str1);
		if (unlikely(status < 0)) {
			if (!output->recv_error) {
				MARS_DBG("signalling status = %d\n", status);
				output->recv_error = status;
			}
			wake_up_interruptible(&output->event);
			brick_msleep(100);
		}
	}

	if (status < 0) {
		MARS_WRN("receiver thread terminated with status = %d, recv_error = %d\n", status, output->recv_error);
	}

	mars_shutdown_socket(&output->socket);
	wake_up_interruptible(&output->receiver.run_event);
	return status;
}