+ /* A client has disconnected, clean up
+ */
+ private void remove_client(Messenger client) {
+ clients.remove(client);
+ AltosDebug.debug("Client unbound from service");
+
+ /* When the list of clients is empty, stop the service if
+ * we have no current telemetry source
+ */
+
+ if (clients.isEmpty() && telemetry_state.connect == TelemetryState.CONNECT_DISCONNECTED) {
+ AltosDebug.debug("No clients, no connection. Stopping\n");
+ stopSelf();
+ }
+ }
+
+ private void send_to_client(Messenger client, Message m) {
+ try {
+ AltosDebug.debug("Send message to client %s", client.toString());
+ client.send(m);
+ } catch (RemoteException e) {
+ AltosDebug.error("Client %s disappeared", client.toString());
+ remove_client(client);
+ }
+ }
+
+ private void send_to_clients() {
+ Message m = message();
+ AltosDebug.debug("Send message to %d clients", clients.size());
+ for (Messenger client : clients)
+ send_to_client(client, m);
+ }
+
+ private void disconnect(boolean notify) {
+ AltosDebug.debug("disconnect(): begin");
+
+ telemetry_state.connect = TelemetryState.CONNECT_DISCONNECTED;
+ telemetry_state.address = null;
+
+ if (altos_link != null)
+ altos_link.closing();
+
+ if (telemetry_reader != null) {
+ AltosDebug.debug("disconnect(): stopping TelemetryReader");
+ telemetry_reader.interrupt();
+ try {
+ telemetry_reader.join();
+ } catch (InterruptedException e) {
+ }
+ telemetry_reader = null;
+ }
+ if (telemetry_logger != null) {
+ AltosDebug.debug("disconnect(): stopping TelemetryLogger");
+ telemetry_logger.stop();
+ telemetry_logger = null;
+ }
+ if (altos_link != null) {
+ AltosDebug.debug("disconnect(): stopping AltosDroidLink");
+ altos_link.close();
+ altos_link = null;
+ }
+ telemetry_state.config = null;
+ if (notify) {
+ AltosDebug.debug("disconnect(): send message to clients");
+ send_to_clients();
+ if (clients.isEmpty()) {
+ AltosDebug.debug("disconnect(): no clients, terminating");
+ stopSelf();
+ }
+ }
+ }
+
+ private void start_usb(UsbDevice device) {
+ AltosUsb d = new AltosUsb(this, device, handler);
+
+ if (d != null) {
+ disconnect(false);
+ altos_link = d;
+ try {
+ connected();
+ } catch (InterruptedException ie) {
+ }
+ }
+ }
+
+ private void delete_serial(int serial) {
+ telemetry_state.states.remove((Integer) serial);
+ AltosPreferences.remove_state(serial);
+ send_to_clients();
+ }
+
+ private void start_altos_bluetooth(DeviceAddress address, boolean pause) {
+ // Get the BLuetoothDevice object
+ BluetoothDevice device = bluetooth_adapter.getRemoteDevice(address.address);
+
+ disconnect(false);
+ this.address = address;
+ AltosDebug.debug("start_altos_bluetooth(): Connecting to %s (%s)", device.getName(), device.getAddress());
+ altos_link = new AltosBluetooth(device, handler, pause);
+ telemetry_state.connect = TelemetryState.CONNECT_CONNECTING;
+ telemetry_state.address = address;
+ send_to_clients();
+ }
+
+ private void connected() throws InterruptedException {
+ AltosDebug.debug("connected top");
+ AltosDebug.check_ui("connected\n");
+ try {
+ if (altos_link == null)
+ throw new InterruptedException("no bluetooth");
+ telemetry_state.config = altos_link.config_data();
+ altos_link.set_radio_frequency(telemetry_state.frequency);
+ altos_link.set_telemetry_rate(telemetry_state.telemetry_rate);
+ } catch (TimeoutException e) {
+ // If this timed out, then we really want to retry it, but
+ // probably safer to just retry the connection from scratch.
+ AltosDebug.debug("connected timeout");
+ if (address != null) {
+ AltosDebug.debug("connected timeout, retrying");
+ start_altos_bluetooth(address, true);
+ } else {
+ handler.obtainMessage(MSG_CONNECT_FAILED).sendToTarget();
+ disconnect(true);
+ }
+ return;
+ }
+
+ AltosDebug.debug("connected bluetooth configured");
+ telemetry_state.connect = TelemetryState.CONNECT_CONNECTED;
+ telemetry_state.address = address;
+
+ telemetry_reader = new TelemetryReader(altos_link, handler);
+ telemetry_reader.start();
+
+ AltosDebug.debug("connected TelemetryReader started");
+
+ telemetry_logger = new TelemetryLogger(this, altos_link);
+
+ AltosDebug.debug("Notify UI of connection");
+
+ send_to_clients();
+ }
+
+