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-rw-r--r--src/org/traccar/handler/GeolocationHandler.java86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/org/traccar/handler/GeolocationHandler.java b/src/org/traccar/handler/GeolocationHandler.java
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+++ b/src/org/traccar/handler/GeolocationHandler.java
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+/*
+ * Copyright 2015 - 2018 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 io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.database.StatisticsManager;
+import org.traccar.geolocation.GeolocationProvider;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class GeolocationHandler extends ChannelInboundHandlerAdapter {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(GeolocationHandler.class);
+
+ private final GeolocationProvider geolocationProvider;
+ private final StatisticsManager statisticsManager;
+ private final boolean processInvalidPositions;
+
+ public GeolocationHandler(
+ Config config, GeolocationProvider geolocationProvider, StatisticsManager statisticsManager) {
+ this.geolocationProvider = geolocationProvider;
+ this.statisticsManager = statisticsManager;
+ this.processInvalidPositions = config.getBoolean(Keys.GEOLOCATION_PROCESS_INVALID_POSITIONS);
+ }
+
+ @Override
+ public void channelRead(final ChannelHandlerContext ctx, Object message) {
+ if (message instanceof Position) {
+ final Position position = (Position) message;
+ if ((position.getOutdated() || processInvalidPositions && !position.getValid())
+ && position.getNetwork() != null) {
+ if (statisticsManager != null) {
+ statisticsManager.registerGeolocationRequest();
+ }
+
+ geolocationProvider.getLocation(position.getNetwork(),
+ new GeolocationProvider.LocationProviderCallback() {
+ @Override
+ public void onSuccess(double latitude, double longitude, double accuracy) {
+ position.set(Position.KEY_APPROXIMATE, true);
+ position.setValid(true);
+ position.setFixTime(position.getDeviceTime());
+ position.setLatitude(latitude);
+ position.setLongitude(longitude);
+ position.setAccuracy(accuracy);
+ position.setAltitude(0);
+ position.setSpeed(0);
+ position.setCourse(0);
+ position.set(Position.KEY_RSSI, 0);
+ ctx.fireChannelRead(position);
+ }
+
+ @Override
+ public void onFailure(Throwable e) {
+ LOGGER.warn("Geolocation network error", e);
+ ctx.fireChannelRead(position);
+ }
+ });
+ } else {
+ ctx.fireChannelRead(position);
+ }
+ } else {
+ ctx.fireChannelRead(message);
+ }
+ }
+
+}