Merge devel code into the trunk.

[tinyos-2.x.git] / support / sdk / java / net / tinyos / sf / SFClient.java

diff --git a/support/sdk/java/net/tinyos/sf/SFClient.java b/support/sdk/java/net/tinyos/sf/SFClient.java
new file mode 100644 (file)
index 0000000..62fad72
--- /dev/null
+++ b/support/sdk/java/net/tinyos/sf/SFClient.java
@@ -0,0 +1,136 @@
+// $Id$
+
+/*                                                                     tab:4
+ * "Copyright (c) 2000-2003 The Regents of the University  of California.  
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ * 
+ * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Copyright (c) 2002-2003 Intel Corporation
+ * All rights reserved.
+ *
+ * This file is distributed under the terms in the attached INTEL-LICENSE     
+ * file. If you do not find these files, copies can be found by writing to
+ * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
+ * 94704.  Attention:  Intel License Inquiry.
+ */
+
+
+/**
+ * File: ServerReceivingThread.java
+ *
+ * Description:
+ * The ServerReceivingThread listens for requests
+ * from a connected Aggregator Server.  If a data
+ * packet is received, it is sent on to the serial
+ * port.
+ *
+ * @author <a href="mailto:bwhull@sourceforge.net">Bret Hull</a>
+ * @author <a href="mailto:dgay@intel-research.net">David Gay</a>
+ *
+ */
+
+package net.tinyos.sf;
+
+import java.net.*;
+import java.io.*;
+import java.util.*;
+import net.tinyos.packet.*;
+
+public class SFClient extends SFProtocol implements Runnable, PacketListenerIF {
+    private Thread thread;
+    private Socket socket = null;
+    private SerialForwarder sf;
+    private SFListen listenServer;
+
+    public SFClient(Socket socket, SerialForwarder serialForward,
+                   SFListen listenSvr) {
+       super("");
+       thread = new Thread(this);
+        sf = serialForward;
+        listenServer = listenSvr;
+        this.socket = socket;
+        InetAddress addr = socket.getInetAddress();
+       name = "client at " + addr.getHostName() +
+           " (" + addr.getHostAddress() + ")";
+        sf.debug.message("new " + name);
+    }
+
+    protected void openSource() throws IOException {
+        is = socket.getInputStream();
+        os = socket.getOutputStream();
+       super.openSource();
+    }
+ 
+    protected void closeSource() throws IOException {
+        socket.close();
+    }
+
+    private void init() throws IOException {
+       sf.incrementClients();
+       open(sf);
+       listenServer.source.registerPacketListener(this);
+    }
+
+    public void shutdown() {
+       try {
+           close();
+       }
+       catch (IOException e) { }
+    }
+
+    public void start() {
+       thread.start();
+    }
+
+    public final void join(long millis) throws InterruptedException {
+       thread.join(millis);
+    }
+
+    public void run() {
+       try {
+           init();
+           readPackets();
+       }
+       catch (IOException e) { }
+       finally {
+           listenServer.source.deregisterPacketListener(this);
+           listenServer.removeSFClient(this);
+           sf.decrementClients();
+           shutdown();
+       }
+    }
+
+    private void readPackets() throws IOException {
+       for (;;) {
+           byte[] packet = readPacket();
+
+           sf.incrementPacketsWritten();
+           if (!listenServer.source.writePacket(packet))
+               sf.verbose.message("write failed");
+        }
+    }
+
+    public void packetReceived(byte[] packet) {
+       try {
+           writePacket(packet);
+       }
+       catch (IOException e) {
+           shutdown();
+       }
+    }
+}