Android Open Source - lcm_android backend

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License

The source code is released under:

GNU General Public License

Java Source Code

//
//  Copyright (C) 2012-2013, Jon Gettler <gettler@mvpmc.org>
//// ww  w .j  a  v  a  2s .  c  o  m
// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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.mvpmc.android.lcm;

import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;

import android.util.Log;

import java.util.concurrent.locks.ReentrantLock;

import org.mvpmc.cmyth.java.connection;
import org.mvpmc.cmyth.java.event;
import org.mvpmc.cmyth.java.proglist;

public class backend extends Thread
{
  public backend(String s, int p) {
    Log.v(TAG, "backend(" + s + ", " + p + ")");

    global = lcm.lcm;

    prefs = global.prefs;
    server = s;
    port = p;

    sync = new ReentrantLock();

    connected = false;
  }

  @Override
  public void run() {
    Log.v(TAG, "run()");

    super.run();

    while (true) {
      while (connect() == false) {
        global.server_down(true);
      }

      monitor();
    }
  }

  private boolean connect() {
    sync.lock();

    server = prefs.getString("mythtv_server", server);
    String p = prefs.getString("mythtv_port", "6543");
    port = Integer.parseInt(p);

    Log.v(TAG, "connect to backend at " + server + ":" + port);

    try {
      conn = new connection(server);
      connected = true;
      Log.v(TAG, "connection succeeded");
    } catch (Exception e) {
      connected = false;
      Log.v(TAG, "connection failed");
    }

    sync.unlock();

    return connected;
  }

  private void monitor() {
    event ev;

    while (true) {
      ev = conn.get_event();

      if (ev.name().equals("connection closed")) {
        return;
      }
    }
  }

  public proglist get_progs() {
    proglist rc;

    sync.lock();

    if (conn == null) {
      rc = null;
    } else {
      rc = conn.get_proglist();
    }

    sync.unlock();

    return rc;
  }

  private static final String TAG = "backend";

  private SharedPreferences prefs;

  private String server;
  private int port;

  private connection conn;

  private boolean connected;

  private ReentrantLock sync;

  private lcm global;
}

Java Source Code List

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