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-rw-r--r--src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
index 1755ba8a8..294768860 100644
--- a/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/RuptelaProtocolDecoder.java
@@ -236,7 +236,18 @@ public class RuptelaProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedByte(); // timestamp extension
if (type == MSG_EXTENDED_RECORDS) {
- buf.readUnsignedByte(); // record extension
+ int b = buf.readUnsignedByte(); // record extension
+ int noRecordsToMerge = (b & 0xf0) >> 4;
+ int currentRecord = b & 0x0f;
+
+ if (currentRecord > 0 && noRecordsToMerge >= currentRecord) {
+ if (!positions.isEmpty()
+ && positions.get(positions.size() - 1).getDeviceTime()
+ .compareTo(position.getDeviceTime()) == 0) {
+ position = positions.remove(positions.size() - 1);
+ }
+ }
+
}
buf.readUnsignedByte(); // priority (reserved)