diff -r 000000000000 -r 1090e2141798 org/sonews/daemon/ConnectionWorker.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/org/sonews/daemon/ConnectionWorker.java Wed Jul 01 10:48:22 2009 +0200
@@ -0,0 +1,102 @@
+/*
+ * SONEWS News Server
+ * see AUTHORS for the list of contributors
+ *
+ * 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 .
+ */
+
+package org.sonews.daemon;
+
+import org.sonews.util.Log;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+import java.util.concurrent.ArrayBlockingQueue;
+
+/**
+ * Does most of the work: parsing input, talking to client and Database.
+ * @author Christian Lins
+ * @since sonews/0.5.0
+ */
+class ConnectionWorker extends AbstractDaemon
+{
+
+ // 256 pending events should be enough
+ private static ArrayBlockingQueue pendingChannels
+ = new ArrayBlockingQueue(256, true);
+
+ /**
+ * Registers the given channel for further event processing.
+ * @param channel
+ */
+ public static void addChannel(SocketChannel channel)
+ throws InterruptedException
+ {
+ pendingChannels.put(channel);
+ }
+
+ /**
+ * Processing loop.
+ */
+ @Override
+ public void run()
+ {
+ while(isRunning())
+ {
+ try
+ {
+ // Retrieve and remove if available, otherwise wait.
+ SocketChannel channel = pendingChannels.take();
+
+ if(channel != null)
+ {
+ // Connections.getInstance().get() MAY return null
+ NNTPConnection conn = Connections.getInstance().get(channel);
+
+ // Try to lock the connection object
+ if(conn != null && conn.tryReadLock())
+ {
+ ByteBuffer buf = conn.getBuffers().nextInputLine();
+ while(buf != null) // Complete line was received
+ {
+ final byte[] line = new byte[buf.limit()];
+ buf.get(line);
+ ChannelLineBuffers.recycleBuffer(buf);
+
+ // Here is the actual work done
+ conn.lineReceived(line);
+
+ // Read next line as we could have already received the next line
+ buf = conn.getBuffers().nextInputLine();
+ }
+ conn.unlockReadLock();
+ }
+ else
+ {
+ addChannel(channel);
+ }
+ }
+ }
+ catch(InterruptedException ex)
+ {
+ Log.msg("ConnectionWorker interrupted: " + ex, true);
+ }
+ catch(Exception ex)
+ {
+ Log.msg("Exception in ConnectionWorker: " + ex, false);
+ ex.printStackTrace();
+ }
+ } // end while(isRunning())
+ }
+
+}