--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.AltosDroid;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Method;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothSocket;
+import android.content.Context;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+
+import org.altusmetrum.AltosLib.*;
+
+public class AltosBluetooth extends AltosLink {
+
+ // Debugging
+ private static final String TAG = "AltosBluetooth";
+ private static final boolean D = true;
+
+ /**
+ * This thread runs while attempting to make an outgoing connection
+ * with a device. It runs straight through; the connection either
+ * succeeds or fails.
+ */
+
+ private BluetoothAdapter adapter;
+ private ConnectThread connect_thread;
+ private BluetoothSocket socket;
+ private InputStream input;
+ private OutputStream output;
+
+ private class ConnectThread extends Thread {
+ private final BluetoothDevice mmDevice;
+ private String mSocketType;
+ BluetoothSocket tmp_socket;
+
+ public ConnectThread(BluetoothDevice device, boolean secure) {
+ mmDevice = device;
+ mSocketType = secure ? "Secure" : "Insecure";
+
+ // Get a BluetoothSocket for a connection with the
+ // given BluetoothDevice
+ try {
+ if (secure) {
+ Method m = device.getClass().getMethod("createRfcommSocket", new Class[] {int.class});
+ tmp_socket = (BluetoothSocket) m.invoke(device, 2);
+ // tmp = device.createRfcommSocket(2);
+ } else {
+ Method m = device.getClass().getMethod("createInsecureRfcommSocket", new Class[] {int.class});
+ tmp_socket = (BluetoothSocket) m.invoke(device, 2);
+ // tmp = device.createInsecureRfcommSocket(2);
+ }
+ } catch (Exception e) {
+ Log.e(TAG, "Socket Type: " + mSocketType + "create() failed", e);
+ e.printStackTrace();
+ }
+ }
+
+ public void run() {
+ Log.i(TAG, "BEGIN connect_thread SocketType:" + mSocketType);
+ setName("ConnectThread" + mSocketType);
+
+ // Always cancel discovery because it will slow down a connection
+ adapter.cancelDiscovery();
+
+ // Make a connection to the BluetoothSocket
+ try {
+ // This is a blocking call and will only return on a
+ // successful connection or an exception
+ tmp_socket.connect();
+ } catch (IOException e) {
+ // Close the socket
+ try {
+ tmp_socket.close();
+ } catch (IOException e2) {
+ Log.e(TAG, "unable to close() " + mSocketType +
+ " socket during connection failure", e2);
+ }
+ connection_failed();
+ return;
+ }
+
+ try {
+ synchronized (AltosBluetooth.this) {
+ input = tmp_socket.getInputStream();
+ output = tmp_socket.getOutputStream();
+ socket = tmp_socket;
+ // Reset the ConnectThread because we're done
+ AltosBluetooth.this.notify();
+ connect_thread = null;
+ }
+ } catch (Exception e) {
+ Log.e(TAG, "Failed to finish connection", e);
+ e.printStackTrace();
+ }
+ }
+
+ public void cancel() {
+ try {
+ if (tmp_socket != null)
+ tmp_socket.close();
+ } catch (IOException e) {
+ Log.e(TAG, "close() of connect " + mSocketType + " socket failed", e);
+ }
+ }
+ }
+
+ private synchronized void wait_connected() throws InterruptedException {
+ if (input == null) {
+ wait();
+ }
+ }
+
+ private void connection_failed() {
+ }
+
+ public void print(String data) {
+ byte[] bytes = data.getBytes();
+ try {
+ wait_connected();
+ output.write(bytes);
+ } catch (IOException e) {
+ connection_failed();
+ } catch (InterruptedException e) {
+ connection_failed();
+ }
+ }
+
+ public int getchar() {
+ try {
+ wait_connected();
+ return input.read();
+ } catch (IOException e) {
+ connection_failed();
+ } catch (java.lang.InterruptedException e) {
+ connection_failed();
+ }
+ return AltosLink.ERROR;
+ }
+
+ public void close() {
+ synchronized(this) {
+ if (connect_thread != null) {
+ connect_thread.cancel();
+ connect_thread = null;
+ }
+ }
+ }
+
+ public void flush_output() {
+ super.flush_output();
+ /* any local work needed to flush bluetooth? */
+ }
+
+ public boolean can_cancel_reply() {
+ return false;
+ }
+ public boolean show_reply_timeout() {
+ return true;
+ }
+
+ public void hide_reply_timeout() {
+ }
+
+ public AltosBluetooth(BluetoothDevice device) {
+ adapter = BluetoothAdapter.getDefaultAdapter();
+ connect_thread = new ConnectThread(device, true);
+ connect_thread.start();
+ }
+}
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