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authorAnton Tananaev <anton@traccar.org>2024-04-03 21:17:52 -0700
committerAnton Tananaev <anton@traccar.org>2024-04-03 21:17:52 -0700
commitfc3a24148526b3d41ba40ed1f55cf40b54c6a255 (patch)
tree6b285bdf25112ada01c7afe0665213be20c27cae /src
parent5606f054244fc1ea2d5929152dd5c997d04f66fa (diff)
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Handle outdated positions in buffer
Diffstat (limited to 'src')
-rw-r--r--src/main/java/org/traccar/BaseProtocolDecoder.java19
-rw-r--r--src/main/java/org/traccar/ProcessingHandler.java2
-rw-r--r--src/main/java/org/traccar/database/BufferingManager.java26
-rw-r--r--src/main/java/org/traccar/handler/OutdatedHandler.java56
4 files changed, 78 insertions, 25 deletions
diff --git a/src/main/java/org/traccar/BaseProtocolDecoder.java b/src/main/java/org/traccar/BaseProtocolDecoder.java
index 495a866c0..b764e5cdf 100644
--- a/src/main/java/org/traccar/BaseProtocolDecoder.java
+++ b/src/main/java/org/traccar/BaseProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2022 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2024 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -154,25 +154,8 @@ public abstract class BaseProtocolDecoder extends ExtendedObjectDecoder {
public void getLastLocation(Position position, Date deviceTime) {
if (position.getDeviceId() != 0) {
position.setOutdated(true);
-
- Position last = cacheManager.getPosition(position.getDeviceId());
- if (last != null) {
- position.setFixTime(last.getFixTime());
- position.setValid(last.getValid());
- position.setLatitude(last.getLatitude());
- position.setLongitude(last.getLongitude());
- position.setAltitude(last.getAltitude());
- position.setSpeed(last.getSpeed());
- position.setCourse(last.getCourse());
- position.setAccuracy(last.getAccuracy());
- } else {
- position.setFixTime(new Date(0));
- }
-
if (deviceTime != null) {
position.setDeviceTime(deviceTime);
- } else {
- position.setDeviceTime(new Date());
}
}
}
diff --git a/src/main/java/org/traccar/ProcessingHandler.java b/src/main/java/org/traccar/ProcessingHandler.java
index 6a97b9dea..76a698a0a 100644
--- a/src/main/java/org/traccar/ProcessingHandler.java
+++ b/src/main/java/org/traccar/ProcessingHandler.java
@@ -36,6 +36,7 @@ import org.traccar.handler.GeofenceHandler;
import org.traccar.handler.GeolocationHandler;
import org.traccar.handler.HemisphereHandler;
import org.traccar.handler.MotionHandler;
+import org.traccar.handler.OutdatedHandler;
import org.traccar.handler.PositionForwardingHandler;
import org.traccar.handler.PostProcessHandler;
import org.traccar.handler.SpeedLimitHandler;
@@ -90,6 +91,7 @@ public class ProcessingHandler extends ChannelInboundHandlerAdapter implements B
bufferingManager = new BufferingManager(config, this);
positionHandlers = Stream.of(
+ OutdatedHandler.class,
TimeHandler.class,
GeolocationHandler.class,
HemisphereHandler.class,
diff --git a/src/main/java/org/traccar/database/BufferingManager.java b/src/main/java/org/traccar/database/BufferingManager.java
index 3e3cf587a..4d288c8d0 100644
--- a/src/main/java/org/traccar/database/BufferingManager.java
+++ b/src/main/java/org/traccar/database/BufferingManager.java
@@ -25,7 +25,7 @@ import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Position;
-import java.util.Comparator;
+import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeSet;
@@ -41,11 +41,6 @@ public class BufferingManager {
private static final class Holder implements Comparable<Holder> {
- private static final Comparator<Position> COMPARATOR = Comparator
- .comparing(Position::getFixTime)
- .thenComparing(Position::getDeviceTime)
- .thenComparing(Position::getServerTime);
-
private final ChannelHandlerContext context;
private final Position position;
private Timeout timeout;
@@ -55,9 +50,26 @@ public class BufferingManager {
this.position = position;
}
+ private int compareTime(Date left, Date right) {
+ if (left != null && right != null) {
+ return left.compareTo(right);
+ }
+ return 0;
+ }
+
@Override
public int compareTo(Holder other) {
- return COMPARATOR.compare(position, other.position);
+ int fixTimeResult = compareTime(position.getFixTime(), other.position.getFixTime());
+ if (fixTimeResult != 0) {
+ return fixTimeResult;
+ }
+
+ int deviceTimeResult = compareTime(position.getDeviceTime(), other.position.getDeviceTime());
+ if (deviceTimeResult != 0) {
+ return deviceTimeResult;
+ }
+
+ return position.getServerTime().compareTo(other.position.getServerTime());
}
}
diff --git a/src/main/java/org/traccar/handler/OutdatedHandler.java b/src/main/java/org/traccar/handler/OutdatedHandler.java
new file mode 100644
index 000000000..88f1c4a0c
--- /dev/null
+++ b/src/main/java/org/traccar/handler/OutdatedHandler.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2024 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.handler;
+
+import jakarta.inject.Inject;
+import org.traccar.model.Position;
+import org.traccar.session.cache.CacheManager;
+
+import java.util.Date;
+
+public class OutdatedHandler extends BasePositionHandler {
+
+ private final CacheManager cacheManager;
+
+ @Inject
+ public OutdatedHandler(CacheManager cacheManager) {
+ this.cacheManager = cacheManager;
+ }
+
+ @Override
+ public void handlePosition(Position position, Callback callback) {
+ if (position.getOutdated()) {
+ Position last = cacheManager.getPosition(position.getDeviceId());
+ if (last != null) {
+ position.setFixTime(last.getFixTime());
+ position.setValid(last.getValid());
+ position.setLatitude(last.getLatitude());
+ position.setLongitude(last.getLongitude());
+ position.setAltitude(last.getAltitude());
+ position.setSpeed(last.getSpeed());
+ position.setCourse(last.getCourse());
+ position.setAccuracy(last.getAccuracy());
+ } else {
+ position.setFixTime(new Date(315964819000L)); // gps epoch 1980-01-06
+ }
+ if (position.getDeviceTime() == null) {
+ position.setDeviceTime(position.getServerTime());
+ }
+ }
+ callback.processed(position);
+ }
+
+}