Android Open Source - HDPDeviceAdapter Jni Bridge

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Back to project page HDPDeviceAdapter.

License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/**
 * Copyright (C) 2014 Consorzio Roma Ricerche
 * All rights reserved// www  .  j ava 2s  . co  m
 *
 * This file is part of the Protocol Adapter software, available at
 * https://github.com/theIoTLab/ProtocolAdapter .
 *
 * The Protocol Adapter is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 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, see http://opensource.org/licenses/LGPL-3.0
 *
 * Contact Consorzio Roma Ricerche (protocoladapter@gmail.com)
 */

package eu.fistar.sdcs.pa.da.bthdp.hdpservice;

/**
 * This class is the JNI Bridge between the healthd daemon (written in C, compiled with the NDK)
 * implementing the ISO 11073 Manager, and the rest of the Android code that takes care of
 * providing Bluetooth HDP communication channel and interaction with the rest of the system.
 *
 * @author Marcello Morena
 * @author Alexandru Serbanati
 */
public class JniBridge {
  HDPHealthManagerService cb;
  boolean finalized;

  JniBridge(HDPHealthManagerService pcb) {
    cb = pcb;
    finalized = false;
    healthd_init();
  }

  protected void finalize() {
    if (! finalized) {
      healthd_finalize();
      finalized = true;
    }
  }

  // communication part: called from C
  public void disconnect_channel(int context)
  {
    cb.disconnect_channel(context);
  }

  public void send_data(int context, byte [] data)
  {
    cb.send_data(context, data);
  }

  // communication part: called from service
  public synchronized void channel_connected(int context) {
    Cchannelconnected(context);
  }

  public synchronized void channel_disconnected(int context) {
    Cchanneldisconnected(context);
  }

  public synchronized void data_received(int context, byte [] data)
  {
    Cdatareceived(context, data);
  }

  public native void Cchannelconnected(int context);
  public native void Cchanneldisconnected(int context);
  public native void Cdatareceived(int context, byte [] data);

  // manager part: called from C
  public void cancel_timer(int handle)
  {
    cb.cancel_timer(handle);
  }

  public int create_timer(int milisseconds, int handle)
  {
    return cb.create_timer(milisseconds, handle);
  }

  public void associated(int context, String xml)
  {
    cb.associated(context, xml);
  }

  public void disassociated(int context)
  {
    cb.disassociated(context);
  }

  public void deviceattributes(int context, String xml)
  {
    cb.deviceattributes(context, xml);
  }

  public void measurementdata(int context, String xml)
  {
    cb.measurementdata(context, xml);
  }

  // manager part: called from service
  public synchronized void timer_alarm(int handle)
  {
    Ctimeralarm(handle);
  }

  public synchronized void healthd_init()
  {
    Chealthdinit(cb.getApplicationContext().getFilesDir().toString());
  }

  public synchronized void healthd_finalize()
  {
    Chealthdfinalize();
  }

  public synchronized void releaseassoc(int context)
  {
    Creleaseassoc(context);
  }

  public synchronized void abortassoc(int context)
  {
    Cabortassoc(context);
  }

  public synchronized String getconfig(int context)
  {
    return Cgetconfig(context);
  }

  public synchronized void reqmdsattr(int context)
  {
    Creqmdsattr(context);
  }

  public synchronized void reqactivationscanner(int context, int handle)
  {
    Creqactivationscanner(context, handle);
  }

  public synchronized void reqdeactivationscanner(int context, int handle)
  {
    Creqdeactivationscanner(context, handle);
  }

  public synchronized void reqmeasurement(int context)
  {
    Creqmeasurement(context);
  }

  public native void Ctimeralarm(int handle);
  public native void Chealthdinit(String tmp_path);
  public native void Chealthdfinalize();
  public native void Creleaseassoc(int context);
  public native void Cabortassoc(int context);
  public native String Cgetconfig(int context);
  public native void Creqmdsattr(int context);
  public native void Creqactivationscanner(int context, int handle);
  public native void Creqdeactivationscanner(int context, int handle);
  public native void Creqmeasurement(int context);

  static {
    System.loadLibrary("healthd");
  }
}

Java Source Code List

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