From edaa07444d1363f3197cbd0f2c56f9ffe1000bf4 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 15 Oct 2016 08:31:09 +1300
Subject: Option to ignore session cache (fix #2372)

---
 debug.xml                                |  2 ++
 src/org/traccar/BaseProtocolDecoder.java | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/debug.xml b/debug.xml
index 0b07ed140..58ae764f6 100644
--- a/debug.xml
+++ b/debug.xml
@@ -43,6 +43,8 @@
 
     <entry key='deviceManager.lookupGroupsAttribute'>true</entry>
 
+    <entry key='decoder.ignoreSessionCache'>false</entry>
+
     <entry key='event.enable'>true</entry>
     <entry key='event.overspeedHandler'>true</entry>
     <entry key='event.overspeed.notRepeat'>true</entry>
diff --git a/src/org/traccar/BaseProtocolDecoder.java b/src/org/traccar/BaseProtocolDecoder.java
index 15f5471e9..f1101567d 100644
--- a/src/org/traccar/BaseProtocolDecoder.java
+++ b/src/org/traccar/BaseProtocolDecoder.java
@@ -89,6 +89,17 @@ public abstract class BaseProtocolDecoder extends ExtendedObjectDecoder {
     }
 
     public DeviceSession getDeviceSession(Channel channel, SocketAddress remoteAddress, String... uniqueIds) {
+        if (Context.getConfig().getBoolean("decoder.ignoreSessionCache")) {
+            long deviceId = findDeviceId(remoteAddress, uniqueIds);
+            if (deviceId != 0) {
+                if (Context.getConnectionManager() != null) {
+                    Context.getConnectionManager().addActiveDevice(deviceId, protocol, channel, remoteAddress);
+                }
+                return new DeviceSession(deviceId);
+            } else {
+                return null;
+            }
+        }
         if (channel instanceof DatagramChannel) {
             long deviceId = findDeviceId(remoteAddress, uniqueIds);
             DeviceSession deviceSession = addressDeviceSessions.get(remoteAddress);
-- 
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