wol support

4 files changed, 221 insertions, 0 deletions

diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeOnLanClient.java b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeOnLanClient.java
new file mode 100644
index 0000000..737195a
--- /dev/null
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeOnLanClient.java
@@ -0,0 +1,140 @@
+/*
+    MythDroid: Android MythTV Remote
+    Copyright (C) 2009-2010 foobum@gmail.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, either version 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+package de.bjusystems.vdrmanager.utils.wakeup;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+
+import de.bjusystems.vdrmanager.data.Preferences;
+
+import android.text.TextUtils;
+import android.util.Log;
+
+/** Send WakeOnLan packets */
+public class WakeOnLanClient {
+
+	static private byte[] addr;
+	static private byte[] buf = new byte[17 * 6];
+
+	/**
+	 * Send a wake on lan packet
+	 * 
+	 * @param hwaddr
+	 *            String containing the MAC address of the target
+	 */
+	public static void wake(String hwaddr) throws Exception {
+		addr = parseAddr(hwaddr);
+		for (int i = 0; i < 6; i++)
+			buf[i] = (byte) 0xff;
+		for (int i = 6; i < buf.length; i += 6)
+			System.arraycopy(addr, 0, buf, i, 6);
+		// if (.debug)
+		Log.d("WakeOnLAN", //$NON-NLS-1$
+				"Sending WOL packets to 255.255.255.255 " + //$NON-NLS-1$
+						"ports 7, 9 for MAC address " + hwaddr //$NON-NLS-1$
+		);
+
+		String broadcast = Preferences.get().getWolCustomBroadcast();
+		if (TextUtils.isEmpty(broadcast) == true) {
+			broadcast = "255.255.255.255";//$NON-NLS-1$
+		}
+
+		InetAddress address = InetAddress.getByName(broadcast);
+		DatagramPacket dgram = new DatagramPacket(buf, buf.length, address, 9);
+		DatagramSocket sock = new DatagramSocket();
+		sock.setBroadcast(true);
+		sock.send(dgram);
+		dgram.setPort(7);
+		sock.send(dgram);
+		sock.close();
+	}
+
+	/**
+	 * Try to extract a hardware MAC address from a given IP address using the
+	 * ARP cache (/proc/net/arp).<br>
+	 * <br>
+	 * We assume that the file has this structure:<br>
+	 * <br>
+	 * IP address HW type Flags HW address Mask Device 192.168.18.11 0x1 0x2
+	 * 00:04:20:06:55:1a * eth0 192.168.18.36 0x1 0x2 00:22:43:ab:2a:5b * eth0
+	 * 
+	 * @param ip
+	 * @return the MAC from the ARP cache
+	 */
+	public static String getMacFromArpCache(String ip) {
+		if (ip == null)
+			return null;
+		BufferedReader br = null;
+		try {
+			br = new BufferedReader(new FileReader("/proc/net/arp"));
+			String line;
+			while ((line = br.readLine()) != null) {
+				String[] splitted = line.split(" +");
+				if (splitted != null && splitted.length >= 4
+						&& ip.equals(splitted[0])) {
+					// Basic sanity check
+					String mac = splitted[3];
+					if (mac.matches("..:..:..:..:..:..")) {
+						return mac;
+					} else {
+						return null;
+					}
+				}
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		} finally {
+			try {
+				br.close();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * 
+	 * Parse a MAC Addresse
+	 * 
+	 * @param addr
+	 * @return
+	 * @throws IllegalArgumentException
+	 */
+	public static byte[] parseAddr(String addr) throws IllegalArgumentException {
+		byte[] bytes = new byte[6];
+		String[] hex = addr.split(":"); //$NON-NLS-1$
+		if (hex.length != 6)
+			throw new IllegalArgumentException("Invalid MAC address"); //$NON-NLS-1$
+		try {
+			for (int i = 0; i < 6; i++)
+				bytes[i] = (byte) Integer.parseInt(hex[i], 16);
+		} catch (NumberFormatException e) {
+			throw new IllegalArgumentException(
+					"Invalid hex digit in MAC address" //$NON-NLS-1$
+			);
+		}
+		return bytes;
+	}
+
+}
diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupProgressType.java b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupProgressType.java
new file mode 100644
index 0000000..28dcf38
--- /dev/null
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupProgressType.java
@@ -0,0 +1,8 @@
+package de.bjusystems.vdrmanager.utils.wakeup;
+
+public enum WakeupProgressType {
+	WAKEUP_STARTED,
+	WAKEUP_OK,
+	WAKEUP_ERROR,
+	WAKEUP_FINISHED
+}
diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupUrlClient.java b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupUrlClient.java
new file mode 100644
index 0000000..be8a0ef
--- /dev/null
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/WakeupUrlClient.java
@@ -0,0 +1,53 @@
+package de.bjusystems.vdrmanager.utils.wakeup;
+
+import de.bjusystems.vdrmanager.data.WakeupState;
+import de.bjusystems.vdrmanager.utils.svdrp.SvdrpClient;
+import de.bjusystems.vdrmanager.utils.svdrp.SvdrpException;
+
+/**
+ * Class for retrieving informations about the running program
+ * @author bju
+ *
+ */
+public class WakeupUrlClient extends SvdrpClient<WakeupState> {
+
+	private WakeupState state;
+
+	/**
+	 * Constructor
+	 */
+	public WakeupUrlClient() {
+		super();
+	}
+
+	/**
+	 * Starts the wakeup request
+	 */
+	@Override
+	public void run() throws SvdrpException {
+		runCommand("wake");
+	}
+
+	@Override
+	public WakeupState parseAnswer(final String line) {
+
+		if (line.startsWith("200")) {
+			state = WakeupState.OK;
+		} else if (line.startsWith("400")) {
+			state = WakeupState.FAILED;
+		} else {
+			state = WakeupState.ERROR;
+		}
+		return state;
+	}
+
+	@Override
+	public int getProgressTextId() {
+		return 0;
+	}
+
+	public WakeupState getState() {
+		return state;
+	}
+
+}
\ No newline at end of file
diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/Wakeuper.java b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/Wakeuper.java
new file mode 100644
index 0000000..5b149e4
--- /dev/null
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/utils/wakeup/Wakeuper.java
@@ -0,0 +1,20 @@
+package de.bjusystems.vdrmanager.utils.wakeup;
+
+import android.content.Context;
+
+/**
+ * @author lado
+ * Interface to implement several wakeup methods
+ */
+public interface Wakeuper {
+	
+	/**
+	 * 
+	 * 
+	 * 
+	 * @param context
+	 * @throws Exception if the wakeup process is not ended ok. Please note, on a.e. WOL, there can
+	 * not be no guarantee, that the host has been woken up.
+	 */
+	void wakeup(Context context) throws Exception;
+}