From d8da0a28c50993e275b5ce9028d9e21ab23944aa Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 16 Jul 2016 17:24:19 +1200
Subject: Implement T800X custom commands

---
 src/org/traccar/protocol/T800xProtocol.java        |  6 ++-
 src/org/traccar/protocol/T800xProtocolDecoder.java | 11 ++--
 src/org/traccar/protocol/T800xProtocolEncoder.java | 63 ++++++++++++++++++++++
 3 files changed, 74 insertions(+), 6 deletions(-)
 create mode 100644 src/org/traccar/protocol/T800xProtocolEncoder.java

(limited to 'src')

diff --git a/src/org/traccar/protocol/T800xProtocol.java b/src/org/traccar/protocol/T800xProtocol.java
index f98dfc943..05650124c 100644
--- a/src/org/traccar/protocol/T800xProtocol.java
+++ b/src/org/traccar/protocol/T800xProtocol.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2015 - 2016 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.
@@ -20,6 +20,7 @@ import org.jboss.netty.channel.ChannelPipeline;
 import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
 import org.traccar.BaseProtocol;
 import org.traccar.TrackerServer;
+import org.traccar.model.Command;
 
 import java.util.List;
 
@@ -27,6 +28,8 @@ public class T800xProtocol extends BaseProtocol {
 
     public T800xProtocol() {
         super("t800x");
+        setSupportedCommands(
+                Command.TYPE_CUSTOM);
     }
 
     @Override
@@ -35,6 +38,7 @@ public class T800xProtocol extends BaseProtocol {
             @Override
             protected void addSpecificHandlers(ChannelPipeline pipeline) {
                 pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 3, 2, -5, 0));
+                pipeline.addLast("objectEncoder", new T800xProtocolEncoder());
                 pipeline.addLast("objectDecoder", new T800xProtocolDecoder(T800xProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/T800xProtocolDecoder.java b/src/org/traccar/protocol/T800xProtocolDecoder.java
index 67a4d55ca..dcf45bb06 100644
--- a/src/org/traccar/protocol/T800xProtocolDecoder.java
+++ b/src/org/traccar/protocol/T800xProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2015 - 2016 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.
@@ -34,10 +34,11 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final int MSG_LOGIN = 0x01;
-    private static final int MSG_GPS = 0x02;
-    private static final int MSG_HEARTBEAT = 0x03;
-    private static final int MSG_ALARM = 0x04;
+    public static final int MSG_LOGIN = 0x01;
+    public static final int MSG_GPS = 0x02;
+    public static final int MSG_HEARTBEAT = 0x03;
+    public static final int MSG_ALARM = 0x04;
+    public static final int MSG_COMMAND = 0x81;
 
     private static float readSwappedFloat(ChannelBuffer buf) {
         byte[] bytes = new byte[4];
diff --git a/src/org/traccar/protocol/T800xProtocolEncoder.java b/src/org/traccar/protocol/T800xProtocolEncoder.java
new file mode 100644
index 000000000..d603328e2
--- /dev/null
+++ b/src/org/traccar/protocol/T800xProtocolEncoder.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2016 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.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+import javax.xml.bind.DatatypeConverter;
+import java.nio.charset.StandardCharsets;
+
+public class T800xProtocolEncoder extends BaseProtocolEncoder {
+
+    public static final int MODE_SETTING = 0x01;
+    public static final int MODE_BROADCAST = 0x02;
+    public static final int MODE_FORWARD = 0x03;
+
+    private ChannelBuffer encodeContent(Command command, String content) {
+
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+
+        buf.writeByte('#');
+        buf.writeByte('#');
+        buf.writeByte(T800xProtocolDecoder.MSG_COMMAND);
+        buf.writeShort(7 + 8 + 1 + content.length());
+        buf.writeShort(1); // serial number
+        buf.writeBytes(DatatypeConverter.parseHexBinary("0" + getUniqueId(command.getDeviceId())));
+        buf.writeByte(MODE_SETTING);
+        buf.writeBytes(content.getBytes(StandardCharsets.US_ASCII));
+
+        return buf;
+    }
+
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        switch (command.getType()) {
+            case Command.TYPE_CUSTOM:
+                return encodeContent(command, (String) command.getAttributes().get(Command.KEY_DATA));
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
+        }
+
+        return null;
+    }
+
+}
-- 
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