From 197510809bd2b59f3d13a8f36626cec2dfe25cb6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 15 Dec 2016 02:47:53 +1300
Subject: Reuse deviceId from position (fix #2660)

---
 src/org/traccar/BaseProtocolDecoder.java   | 25 +++++++++++++++++++++----
 src/org/traccar/ExtendedObjectDecoder.java |  5 +++--
 2 files changed, 24 insertions(+), 6 deletions(-)

(limited to 'src/org')

diff --git a/src/org/traccar/BaseProtocolDecoder.java b/src/org/traccar/BaseProtocolDecoder.java
index ea0905bf2..5063174ce 100644
--- a/src/org/traccar/BaseProtocolDecoder.java
+++ b/src/org/traccar/BaseProtocolDecoder.java
@@ -23,6 +23,7 @@ import org.traccar.model.Position;
 
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
+import java.util.Collection;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
@@ -165,13 +166,29 @@ public abstract class BaseProtocolDecoder extends ExtendedObjectDecoder {
     }
 
     @Override
-    protected void onMessageEvent(Channel channel, SocketAddress remoteAddress, Object msg) {
+    protected void onMessageEvent(
+            Channel channel, SocketAddress remoteAddress, Object originalMessage, Object decodedMessage) {
         if (Context.getStatisticsManager() != null) {
             Context.getStatisticsManager().registerMessageReceived();
         }
-        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
-        if (deviceSession != null) {
-            Context.getConnectionManager().updateDevice(deviceSession.getDeviceId(), Device.STATUS_ONLINE, new Date());
+        Position position = null;
+        if (decodedMessage != null) {
+            if (decodedMessage instanceof Position) {
+                position = (Position) decodedMessage;
+            } else if (decodedMessage instanceof Collection) {
+                Collection positions = (Collection) decodedMessage;
+                if (!positions.isEmpty()) {
+                    position = (Position) positions.iterator().next();
+                }
+            }
+        }
+        if (position != null) {
+            Context.getConnectionManager().updateDevice(position.getDeviceId(), Device.STATUS_ONLINE, new Date());
+        } else {
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession != null) {
+                Context.getConnectionManager().updateDevice(deviceSession.getDeviceId(), Device.STATUS_ONLINE, new Date());
+            }
         }
     }
 
diff --git a/src/org/traccar/ExtendedObjectDecoder.java b/src/org/traccar/ExtendedObjectDecoder.java
index ec03afa60..268e6f688 100644
--- a/src/org/traccar/ExtendedObjectDecoder.java
+++ b/src/org/traccar/ExtendedObjectDecoder.java
@@ -56,7 +56,7 @@ public abstract class ExtendedObjectDecoder implements ChannelUpstreamHandler {
         MessageEvent e = (MessageEvent) evt;
         Object originalMessage = e.getMessage();
         Object decodedMessage = decode(e.getChannel(), e.getRemoteAddress(), originalMessage);
-        onMessageEvent(e.getChannel(), e.getRemoteAddress(), originalMessage); // call after decode
+        onMessageEvent(e.getChannel(), e.getRemoteAddress(), originalMessage, decodedMessage);
         if (originalMessage == decodedMessage) {
             ctx.sendUpstream(evt);
         } else {
@@ -77,7 +77,8 @@ public abstract class ExtendedObjectDecoder implements ChannelUpstreamHandler {
         }
     }
 
-    protected void onMessageEvent(Channel channel, SocketAddress remoteAddress, Object msg) {
+    protected void onMessageEvent(
+            Channel channel, SocketAddress remoteAddress, Object originalMessage, Object decodedMessage) {
     }
 
     protected Object handleEmptyMessage(Channel channel, SocketAddress remoteAddress, Object msg) {
-- 
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