From 1a0a34acfb775385fe37de4992215a2e328cc6f6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 20 Mar 2013 21:42:05 +1300
Subject: Fix Galileo protocol

---
 src/org/traccar/protocol/GalileoProtocolDecoder.java      | 15 ++++++++++++++-
 test/org/traccar/protocol/GalileoProtocolDecoderTest.java |  7 ++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/org/traccar/protocol/GalileoProtocolDecoder.java b/src/org/traccar/protocol/GalileoProtocolDecoder.java
index e4b80777e..ac820b587 100644
--- a/src/org/traccar/protocol/GalileoProtocolDecoder.java
+++ b/src/org/traccar/protocol/GalileoProtocolDecoder.java
@@ -92,7 +92,7 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
         ChannelBuffer buf = (ChannelBuffer) msg;
         
         buf.readUnsignedByte(); // header
-        int length = buf.readUnsignedShort() & 0x7fff + 3;
+        int length = (buf.readUnsignedShort() & 0x7fff) + 3;
         
         // Create new position
         Position position = new Position();
@@ -109,6 +109,7 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
                         position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
                     } catch(Exception error) {
                         Log.warning("Unknown device - " + imei);
+                        return null;
                     }
                     break;
 
@@ -159,6 +160,18 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
                     
             }
         }
+
+        if (position.getDeviceId() == null ||
+            position.getValid() == null ||
+            position.getTime() == null ||
+            position.getSpeed() == null) {
+            Log.warning("Identifier or location information missing");
+            return null;
+        }
+        
+        if (position.getAltitude() == null) {
+            position.setAltitude(0.0);
+        }
         
         sendReply(channel, buf.readUnsignedShort());
         
diff --git a/test/org/traccar/protocol/GalileoProtocolDecoderTest.java b/test/org/traccar/protocol/GalileoProtocolDecoderTest.java
index d1706e5be..facaf1109 100644
--- a/test/org/traccar/protocol/GalileoProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/GalileoProtocolDecoderTest.java
@@ -1,7 +1,8 @@
 package org.traccar.protocol;
 
+import java.nio.ByteOrder;
 import org.jboss.netty.buffer.ChannelBuffers;
-import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import org.junit.Test;
 
 public class GalileoProtocolDecoderTest {
@@ -12,8 +13,8 @@ public class GalileoProtocolDecoderTest {
         GalileoProtocolDecoder decoder = new GalileoProtocolDecoder(null);
         decoder.setDataManager(new TestDataManager());
 
-        /*byte[] buf1 = {0x00};
-        assertNotNull(decoder.decode(null, null, ChannelBuffers.wrappedBuffer(buf1)));*/
+        byte[] buf1 = {0x01,0x13,(byte)0x80,0x03,0x38,0x36,0x38,0x32,0x30,0x34,0x30,0x30,0x31,0x35,0x34,0x39,0x30,0x38,0x37,0x04,0x32,0x00,(byte)0x85,(byte)0x90};
+        assertNull(decoder.decode(null, null, ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, buf1)));
 
     }
 
-- 
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