From 7899f1ffbb0e00243d2b4cf72ffe9bc59bb920bc Mon Sep 17 00:00:00 2001
From: wkhaksar <31837615+wkhaksar@users.noreply.github.com>
Date: Wed, 29 Jun 2022 09:02:15 +0200
Subject: time advance moved to inner block

added a check for 0 mac address on wifi networks.
---
 src/main/java/org/traccar/protocol/WatchProtocolDecoder.java | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/main/java/org/traccar/protocol/WatchProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java b/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
index 35fdc3ca5..a71c5606d 100644
--- a/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
@@ -142,8 +142,8 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
         Network network = new Network();
 
         int cellCount = Integer.parseInt(values[index++]);
-        index += 1; // timing advance
         if (cellCount > 0) {
+            index += 1; // timing advance
             int mcc = !values[index].isEmpty() ? Integer.parseInt(values[index++]) : 0;
             int mnc = !values[index].isEmpty() ? Integer.parseInt(values[index++]) : 0;
 
@@ -164,8 +164,11 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
 
             for (int i = 0; i < wifiCount; i++) {
                 index += 1; // wifi name
-                network.addWifiAccessPoint(WifiAccessPoint.from(
-                        values[index++], Integer.parseInt(values[index++])));
+                String macAddress = values[index++];
+                String rssi = values[index++];
+                if (!macAddress.isEmpty() && !macAddress.equals("0") && !rssi.isEmpty()) {
+                    network.addWifiAccessPoint(WifiAccessPoint.from(macAddress, Integer.parseInt(rssi)));
+                }
             }
         }
 
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