From fb4f041b75d5a8e7630dccf3dbd67840d8417629 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 17 Apr 2018 00:34:04 +1200
Subject: Update Continental protocol

---
 src/org/traccar/protocol/ContinentalProtocol.java  |  2 +-
 .../protocol/ContinentalProtocolDecoder.java       | 34 +++++++++-------------
 2 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/src/org/traccar/protocol/ContinentalProtocol.java b/src/org/traccar/protocol/ContinentalProtocol.java
index e2b1226cf..5f43a51f7 100644
--- a/src/org/traccar/protocol/ContinentalProtocol.java
+++ b/src/org/traccar/protocol/ContinentalProtocol.java
@@ -34,7 +34,7 @@ public class ContinentalProtocol extends BaseProtocol {
         serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
             @Override
             protected void addSpecificHandlers(ChannelPipeline pipeline) {
-                pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 2, 2));
+                pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 2, 2, -4, 0));
                 pipeline.addLast("objectDecoder", new ContinentalProtocolDecoder(ContinentalProtocol.this));
             }
         });
diff --git a/src/org/traccar/protocol/ContinentalProtocolDecoder.java b/src/org/traccar/protocol/ContinentalProtocolDecoder.java
index 726d9e16b..37913b657 100644
--- a/src/org/traccar/protocol/ContinentalProtocolDecoder.java
+++ b/src/org/traccar/protocol/ContinentalProtocolDecoder.java
@@ -16,10 +16,10 @@
 package org.traccar.protocol;
 
 import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
 
@@ -37,22 +37,6 @@ public class ContinentalProtocolDecoder extends BaseProtocolDecoder {
     public static final int MSG_ACK = 0x06;
     public static final int MSG_NACK = 0x15;
 
-    private void sendResponse(Channel channel, long serialNumber) {
-        if (channel != null) {
-            ChannelBuffer response = ChannelBuffers.dynamicBuffer();
-
-            response.writeByte('S');
-            response.writeByte('V');
-            response.writeShort(2 + 2 + 1 + 4 + 2); // length
-            response.writeByte(1); // version
-            response.writeInt((int) serialNumber);
-            response.writeByte(0); // product
-            response.writeByte(MSG_ACK);
-
-            channel.write(response);
-        }
-    }
-
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -69,8 +53,6 @@ public class ContinentalProtocolDecoder extends BaseProtocolDecoder {
             return null;
         }
 
-        sendResponse(channel, serialNumber);
-
         buf.readUnsignedByte(); // product
 
         int type = buf.readUnsignedByte();
@@ -96,13 +78,25 @@ public class ContinentalProtocolDecoder extends BaseProtocolDecoder {
             position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000L));
 
             position.set(Position.KEY_EVENT, buf.readUnsignedShort());
-            position.set(Position.KEY_INPUT, buf.readUnsignedShort());
+
+            int input = buf.readUnsignedShort();
+            position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
+            position.set(Position.KEY_INPUT, input);
+
             position.set(Position.KEY_OUTPUT, buf.readUnsignedShort());
             position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
             position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
 
             buf.readUnsignedShort(); // reserved
 
+            if (buf.readableBytes() > 4) {
+                position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+            }
+
+            if (buf.readableBytes() > 4) {
+                position.set(Position.KEY_HOURS, buf.readUnsignedInt());
+            }
+
             return position;
 
         }
-- 
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