From b5bd3e35f563825c9d40eaa04c02bc6397029219 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 15 Jan 2013 00:19:39 +1300
Subject: Pass ServerManager to every protocol decoder

---
 src/org/traccar/BasePipelineFactory.java | 124 +++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/org/traccar/BasePipelineFactory.java

(limited to 'src/org/traccar/BasePipelineFactory.java')

diff --git a/src/org/traccar/BasePipelineFactory.java b/src/org/traccar/BasePipelineFactory.java
new file mode 100644
index 000000000..139f5e526
--- /dev/null
+++ b/src/org/traccar/BasePipelineFactory.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2012 - 2013 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar;
+
+import java.net.InetSocketAddress;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.*;
+import org.jboss.netty.handler.logging.LoggingHandler;
+import org.jboss.netty.handler.timeout.IdleStateHandler;
+import org.traccar.geocode.ReverseGeocoder;
+import org.traccar.helper.Log;
+import org.traccar.model.DataManager;
+
+/**
+  * Base pipeline factory
+  */
+public abstract class BasePipelineFactory implements ChannelPipelineFactory {
+
+    private TrackerServer server;
+    private DataManager dataManager;
+    private Boolean loggerEnabled;
+    private Integer resetDelay;
+    private ReverseGeocoder reverseGeocoder;
+
+    /**
+     * Open channel handler
+     */
+    protected class OpenChannelHandler extends SimpleChannelHandler {
+
+        private TrackerServer server;
+
+        public OpenChannelHandler(TrackerServer server) {
+            this.server = server;
+        }
+
+        @Override
+        public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) {
+            server.getChannelGroup().add(e.getChannel());
+        }
+    }
+
+    /**
+     * Logging using global logger
+     */
+    protected class StandardLoggingHandler extends LoggingHandler {
+
+        static final String HEX_CHARS = "0123456789ABCDEF";
+
+        @Override
+        public void log(ChannelEvent e) {
+            if (e instanceof MessageEvent) {
+                MessageEvent event = (MessageEvent) e;
+                StringBuilder msg = new StringBuilder();
+
+                msg.append("[").append(((InetSocketAddress) e.getChannel().getLocalAddress()).getPort()).append(" - ");
+                msg.append(((InetSocketAddress) event.getRemoteAddress()).getAddress().getHostAddress()).append("]");
+
+                // Append hex message
+                if (event.getMessage() instanceof ChannelBuffer) {
+                    msg.append(" - (HEX: ");
+                    msg.append(ChannelBuffers.hexDump((ChannelBuffer) event.getMessage()));
+                    msg.append(")");
+                }
+
+                Log.fine(msg.toString());
+            } else if (e instanceof ExceptionEvent) {
+                ExceptionEvent event = (ExceptionEvent) e;
+                Log.warning(event.getCause().toString());
+            }
+            // TODO: handle other events
+        }
+    }
+
+    public BasePipelineFactory(ServerManager serverManager, TrackerServer server, String protocol) {
+        this.server = server;
+        dataManager = serverManager.getDataManager();
+        loggerEnabled = serverManager.isLoggerEnabled();
+        reverseGeocoder = serverManager.getReverseGeocoder();
+
+        String resetDelayProperty = serverManager.getProperties().getProperty(protocol + ".resetDelay");
+        if (resetDelayProperty != null) {
+            resetDelay = Integer.valueOf(resetDelayProperty);
+        }
+    }
+
+    protected DataManager getDataManager() {
+        return dataManager;
+    }
+
+    protected abstract void addSpecificHandlers(ChannelPipeline pipeline);
+
+    @Override
+    public ChannelPipeline getPipeline() {
+        ChannelPipeline pipeline = Channels.pipeline();
+        if (resetDelay != null) {
+            pipeline.addLast("idleHandler", new IdleStateHandler(GlobalTimer.getTimer(), resetDelay, 0, 0));
+        }
+        pipeline.addLast("openHandler", new OpenChannelHandler(server));
+        if (loggerEnabled) {
+            pipeline.addLast("logger", new StandardLoggingHandler());
+        }
+        addSpecificHandlers(pipeline);
+        if (reverseGeocoder != null) {
+            pipeline.addLast("geocoder", new ReverseGeocoderHandler(reverseGeocoder));
+        }
+        pipeline.addLast("handler", new TrackerEventHandler(dataManager));
+        return pipeline;
+    }
+
+}
-- 
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