Move events handler classes

10 files changed, 744 insertions, 0 deletions

diff --git a/src/org/traccar/handler/events/AlertEventHandler.java b/src/org/traccar/handler/events/AlertEventHandler.java
new file mode 100644
index 000000000..c6d61538b
--- /dev/null
+++ b/src/org/traccar/handler/events/AlertEventHandler.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2016 - 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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class AlertEventHandler extends BaseEventHandler {
+
+    private final boolean ignoreDuplicateAlerts;
+
+    public AlertEventHandler() {
+        ignoreDuplicateAlerts = Context.getConfig().getBoolean("event.ignoreDuplicateAlerts");
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        Object alarm = position.getAttributes().get(Position.KEY_ALARM);
+        if (alarm != null) {
+            boolean ignoreAlert = false;
+            if (ignoreDuplicateAlerts) {
+                Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+                if (lastPosition != null && alarm.equals(lastPosition.getAttributes().get(Position.KEY_ALARM))) {
+                    ignoreAlert = true;
+                }
+            }
+            if (!ignoreAlert) {
+                Event event = new Event(Event.TYPE_ALARM, position.getDeviceId(), position.getId());
+                event.set(Position.KEY_ALARM, (String) alarm);
+                return Collections.singletonMap(event, position);
+            }
+        }
+        return null;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/CommandResultEventHandler.java b/src/org/traccar/handler/events/CommandResultEventHandler.java
new file mode 100644
index 000000000..3acddc1b9
--- /dev/null
+++ b/src/org/traccar/handler/events/CommandResultEventHandler.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2016 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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class CommandResultEventHandler extends BaseEventHandler {
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        Object commandResult = position.getAttributes().get(Position.KEY_RESULT);
+        if (commandResult != null) {
+            Event event = new Event(Event.TYPE_COMMAND_RESULT, position.getDeviceId(), position.getId());
+            event.set(Position.KEY_RESULT, (String) commandResult);
+            return Collections.singletonMap(event, position);
+        }
+        return null;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/DriverEventHandler.java b/src/org/traccar/handler/events/DriverEventHandler.java
new file mode 100644
index 000000000..ef73d6d2d
--- /dev/null
+++ b/src/org/traccar/handler/events/DriverEventHandler.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class DriverEventHandler extends BaseEventHandler {
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        if (!Context.getIdentityManager().isLatestPosition(position)) {
+            return null;
+        }
+        String driverUniqueId = position.getString(Position.KEY_DRIVER_UNIQUE_ID);
+        if (driverUniqueId != null) {
+            String oldDriverUniqueId = null;
+            Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+            if (lastPosition != null) {
+                oldDriverUniqueId = lastPosition.getString(Position.KEY_DRIVER_UNIQUE_ID);
+            }
+            if (!driverUniqueId.equals(oldDriverUniqueId)) {
+                Event event = new Event(Event.TYPE_DRIVER_CHANGED, position.getDeviceId(), position.getId());
+                event.set(Position.KEY_DRIVER_UNIQUE_ID, driverUniqueId);
+                return Collections.singletonMap(event, position);
+            }
+        }
+        return null;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/FuelDropEventHandler.java b/src/org/traccar/handler/events/FuelDropEventHandler.java
new file mode 100644
index 000000000..7de3930ca
--- /dev/null
+++ b/src/org/traccar/handler/events/FuelDropEventHandler.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017 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.events;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.util.Collections;
+import java.util.Map;
+
+@ChannelHandler.Sharable
+public class FuelDropEventHandler extends BaseEventHandler {
+
+    public static final String ATTRIBUTE_FUEL_DROP_THRESHOLD = "fuelDropThreshold";
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+
+        Device device = Context.getIdentityManager().getById(position.getDeviceId());
+        if (device == null) {
+            return null;
+        }
+        if (!Context.getIdentityManager().isLatestPosition(position)) {
+            return null;
+        }
+
+        double fuelDropThreshold = Context.getDeviceManager()
+                .lookupAttributeDouble(device.getId(), ATTRIBUTE_FUEL_DROP_THRESHOLD, 0, false);
+
+        if (fuelDropThreshold > 0) {
+            Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+            if (position.getAttributes().containsKey(Position.KEY_FUEL_LEVEL)
+                    && lastPosition != null && lastPosition.getAttributes().containsKey(Position.KEY_FUEL_LEVEL)) {
+
+                double drop = lastPosition.getDouble(Position.KEY_FUEL_LEVEL)
+                        - position.getDouble(Position.KEY_FUEL_LEVEL);
+                if (drop >= fuelDropThreshold) {
+                    Event event = new Event(Event.TYPE_DEVICE_FUEL_DROP, position.getDeviceId(), position.getId());
+                    event.set(ATTRIBUTE_FUEL_DROP_THRESHOLD, fuelDropThreshold);
+                    return Collections.singletonMap(event, position);
+                }
+            }
+        }
+
+        return null;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/GeofenceEventHandler.java b/src/org/traccar/handler/events/GeofenceEventHandler.java
new file mode 100644
index 000000000..3bddfe7a4
--- /dev/null
+++ b/src/org/traccar/handler/events/GeofenceEventHandler.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2016 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.events;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.database.GeofenceManager;
+import org.traccar.model.Calendar;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class GeofenceEventHandler extends BaseEventHandler {
+
+    private GeofenceManager geofenceManager;
+
+    public GeofenceEventHandler() {
+        geofenceManager = Context.getGeofenceManager();
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        Device device = Context.getIdentityManager().getById(position.getDeviceId());
+        if (device == null) {
+            return null;
+        }
+        if (!Context.getIdentityManager().isLatestPosition(position) || !position.getValid()) {
+            return null;
+        }
+
+        List<Long> currentGeofences = geofenceManager.getCurrentDeviceGeofences(position);
+        List<Long> oldGeofences = new ArrayList<>();
+        if (device.getGeofenceIds() != null) {
+            oldGeofences.addAll(device.getGeofenceIds());
+        }
+        List<Long> newGeofences = new ArrayList<>(currentGeofences);
+        newGeofences.removeAll(oldGeofences);
+        oldGeofences.removeAll(currentGeofences);
+
+        device.setGeofenceIds(currentGeofences);
+
+        Map<Event, Position> events = new HashMap<>();
+        for (long geofenceId : oldGeofences) {
+            long calendarId = geofenceManager.getById(geofenceId).getCalendarId();
+            Calendar calendar = calendarId != 0 ? Context.getCalendarManager().getById(calendarId) : null;
+            if (calendar == null || calendar.checkMoment(position.getFixTime())) {
+                Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId());
+                event.setGeofenceId(geofenceId);
+                events.put(event, position);
+            }
+        }
+        for (long geofenceId : newGeofences) {
+            long calendarId = geofenceManager.getById(geofenceId).getCalendarId();
+            Calendar calendar = calendarId != 0 ? Context.getCalendarManager().getById(calendarId) : null;
+            if (calendar == null || calendar.checkMoment(position.getFixTime())) {
+                Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId());
+                event.setGeofenceId(geofenceId);
+                events.put(event, position);
+            }
+        }
+        return events;
+    }
+}
diff --git a/src/org/traccar/handler/events/IgnitionEventHandler.java b/src/org/traccar/handler/events/IgnitionEventHandler.java
new file mode 100644
index 000000000..4930ef901
--- /dev/null
+++ b/src/org/traccar/handler/events/IgnitionEventHandler.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class IgnitionEventHandler extends BaseEventHandler {
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        Device device = Context.getIdentityManager().getById(position.getDeviceId());
+        if (device == null || !Context.getIdentityManager().isLatestPosition(position)) {
+            return null;
+        }
+
+        Map<Event, Position> result = null;
+
+        if (position.getAttributes().containsKey(Position.KEY_IGNITION)) {
+            boolean ignition = position.getBoolean(Position.KEY_IGNITION);
+
+            Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+            if (lastPosition != null && lastPosition.getAttributes().containsKey(Position.KEY_IGNITION)) {
+                boolean oldIgnition = lastPosition.getBoolean(Position.KEY_IGNITION);
+
+                if (ignition && !oldIgnition) {
+                    result = Collections.singletonMap(
+                            new Event(Event.TYPE_IGNITION_ON, position.getDeviceId(), position.getId()), position);
+                } else if (!ignition && oldIgnition) {
+                    result = Collections.singletonMap(
+                            new Event(Event.TYPE_IGNITION_OFF, position.getDeviceId(), position.getId()), position);
+                }
+            }
+        }
+        return result;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/MaintenanceEventHandler.java b/src/org/traccar/handler/events/MaintenanceEventHandler.java
new file mode 100644
index 000000000..e7f641431
--- /dev/null
+++ b/src/org/traccar/handler/events/MaintenanceEventHandler.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Event;
+import org.traccar.model.Maintenance;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class MaintenanceEventHandler extends BaseEventHandler {
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        if (Context.getIdentityManager().getById(position.getDeviceId()) == null
+                || !Context.getIdentityManager().isLatestPosition(position)) {
+            return null;
+        }
+
+        Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+        if (lastPosition == null) {
+            return null;
+        }
+
+        Map<Event, Position> events = new HashMap<>();
+        for (long maintenanceId : Context.getMaintenancesManager().getAllDeviceItems(position.getDeviceId())) {
+            Maintenance maintenance = Context.getMaintenancesManager().getById(maintenanceId);
+            if (maintenance.getPeriod() != 0) {
+                double oldValue = lastPosition.getDouble(maintenance.getType());
+                double newValue = position.getDouble(maintenance.getType());
+                if (oldValue != 0.0 && newValue != 0.0
+                        && (long) ((oldValue - maintenance.getStart()) / maintenance.getPeriod())
+                        < (long) ((newValue - maintenance.getStart()) / maintenance.getPeriod())) {
+                    Event event = new Event(Event.TYPE_MAINTENANCE, position.getDeviceId(), position.getId());
+                    event.setMaintenanceId(maintenanceId);
+                    event.set(maintenance.getType(), newValue);
+                    events.put(event, position);
+                }
+            }
+        }
+
+        return events;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/MotionEventHandler.java b/src/org/traccar/handler/events/MotionEventHandler.java
new file mode 100644
index 000000000..c03b394e5
--- /dev/null
+++ b/src/org/traccar/handler/events/MotionEventHandler.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2016 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.DeviceState;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+import org.traccar.reports.ReportUtils;
+import org.traccar.reports.model.TripsConfig;
+
+@ChannelHandler.Sharable
+public class MotionEventHandler extends BaseEventHandler {
+
+    private TripsConfig tripsConfig;
+
+    public MotionEventHandler(TripsConfig tripsConfig) {
+        this.tripsConfig = tripsConfig;
+    }
+
+    private Map<Event, Position> newEvent(DeviceState deviceState, boolean newMotion) {
+        String eventType = newMotion ? Event.TYPE_DEVICE_MOVING : Event.TYPE_DEVICE_STOPPED;
+        Position position = deviceState.getMotionPosition();
+        Event event = new Event(eventType, position.getDeviceId(), position.getId());
+        deviceState.setMotionState(newMotion);
+        deviceState.setMotionPosition(null);
+        return Collections.singletonMap(event, position);
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState) {
+        Map<Event, Position> result = null;
+        if (deviceState.getMotionState() != null && deviceState.getMotionPosition() != null) {
+            boolean newMotion = !deviceState.getMotionState();
+            Position motionPosition = deviceState.getMotionPosition();
+            long currentTime = System.currentTimeMillis();
+            long motionTime = motionPosition.getFixTime().getTime()
+                    + (newMotion ? tripsConfig.getMinimalTripDuration() : tripsConfig.getMinimalParkingDuration());
+            if (motionTime <= currentTime) {
+                result = newEvent(deviceState, newMotion);
+            }
+        }
+        return result;
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position) {
+        return updateMotionState(deviceState, position, position.getBoolean(Position.KEY_MOTION));
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position, boolean newMotion) {
+        Map<Event, Position> result = null;
+        Boolean oldMotion = deviceState.getMotionState();
+
+        long currentTime = position.getFixTime().getTime();
+        if (newMotion != oldMotion) {
+            if (deviceState.getMotionPosition() == null) {
+                deviceState.setMotionPosition(position);
+            }
+        } else {
+            deviceState.setMotionPosition(null);
+        }
+
+        Position motionPosition = deviceState.getMotionPosition();
+        if (motionPosition != null) {
+            long motionTime = motionPosition.getFixTime().getTime();
+            double distance = ReportUtils.calculateDistance(motionPosition, position, false);
+            Boolean ignition = null;
+            if (tripsConfig.getUseIgnition()
+                    && position.getAttributes().containsKey(Position.KEY_IGNITION)) {
+                ignition = position.getBoolean(Position.KEY_IGNITION);
+            }
+            if (newMotion) {
+                if (motionTime + tripsConfig.getMinimalTripDuration() <= currentTime
+                        || distance >= tripsConfig.getMinimalTripDistance()) {
+                    result = newEvent(deviceState, newMotion);
+                }
+            } else {
+                if (motionTime + tripsConfig.getMinimalParkingDuration() <= currentTime
+                        || ignition != null && !ignition) {
+                    result = newEvent(deviceState, newMotion);
+                }
+            }
+        }
+        return result;
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+
+        long deviceId = position.getDeviceId();
+        Device device = Context.getIdentityManager().getById(deviceId);
+        if (device == null) {
+            return null;
+        }
+        if (!Context.getIdentityManager().isLatestPosition(position)
+                || !tripsConfig.getProcessInvalidPositions() && !position.getValid()) {
+            return null;
+        }
+
+        Map<Event, Position> result = null;
+        DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
+
+        if (deviceState.getMotionState() == null) {
+            deviceState.setMotionState(position.getBoolean(Position.KEY_MOTION));
+        } else {
+            result = updateMotionState(deviceState, position);
+        }
+        Context.getDeviceManager().setDeviceState(deviceId, deviceState);
+        return result;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/OverspeedEventHandler.java b/src/org/traccar/handler/events/OverspeedEventHandler.java
new file mode 100644
index 000000000..567758de5
--- /dev/null
+++ b/src/org/traccar/handler/events/OverspeedEventHandler.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@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.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.BaseEventHandler;
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.DeviceState;
+import org.traccar.model.Event;
+import org.traccar.model.Geofence;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class OverspeedEventHandler extends BaseEventHandler {
+
+    public static final String ATTRIBUTE_SPEED_LIMIT = "speedLimit";
+
+    private boolean notRepeat;
+    private boolean preferLowest;
+    private long minimalDuration;
+
+    public OverspeedEventHandler(long minimalDuration, boolean notRepeat, boolean preferLowest) {
+        this.notRepeat = notRepeat;
+        this.minimalDuration = minimalDuration;
+        this.preferLowest = preferLowest;
+    }
+
+    private Map<Event, Position> newEvent(DeviceState deviceState, double speedLimit) {
+        Position position = deviceState.getOverspeedPosition();
+        Event event = new Event(Event.TYPE_DEVICE_OVERSPEED, position.getDeviceId(), position.getId());
+        event.set("speed", deviceState.getOverspeedPosition().getSpeed());
+        event.set(ATTRIBUTE_SPEED_LIMIT, speedLimit);
+        event.setGeofenceId(deviceState.getOverspeedGeofenceId());
+        deviceState.setOverspeedState(notRepeat);
+        deviceState.setOverspeedPosition(null);
+        deviceState.setOverspeedGeofenceId(0);
+        return Collections.singletonMap(event, position);
+    }
+
+    public Map<Event, Position> updateOverspeedState(DeviceState deviceState, double speedLimit) {
+        Map<Event, Position> result = null;
+        if (deviceState.getOverspeedState() != null && !deviceState.getOverspeedState()
+                && deviceState.getOverspeedPosition() != null && speedLimit != 0) {
+            long currentTime = System.currentTimeMillis();
+            Position overspeedPosition = deviceState.getOverspeedPosition();
+            long overspeedTime = overspeedPosition.getFixTime().getTime();
+            if (overspeedTime + minimalDuration <= currentTime) {
+                result = newEvent(deviceState, speedLimit);
+            }
+        }
+        return result;
+    }
+
+    public Map<Event, Position> updateOverspeedState(
+            DeviceState deviceState, Position position, double speedLimit, long geofenceId) {
+        Map<Event, Position> result = null;
+
+        Boolean oldOverspeed = deviceState.getOverspeedState();
+
+        long currentTime = position.getFixTime().getTime();
+        boolean newOverspeed = position.getSpeed() > speedLimit;
+        if (newOverspeed && !oldOverspeed) {
+            if (deviceState.getOverspeedPosition() == null) {
+                deviceState.setOverspeedPosition(position);
+                deviceState.setOverspeedGeofenceId(geofenceId);
+            }
+        } else if (oldOverspeed && !newOverspeed) {
+            deviceState.setOverspeedState(false);
+            deviceState.setOverspeedPosition(null);
+            deviceState.setOverspeedGeofenceId(0);
+        } else {
+            deviceState.setOverspeedPosition(null);
+            deviceState.setOverspeedGeofenceId(0);
+        }
+        Position overspeedPosition = deviceState.getOverspeedPosition();
+        if (overspeedPosition != null) {
+            long overspeedTime = overspeedPosition.getFixTime().getTime();
+            if (newOverspeed && overspeedTime + minimalDuration <= currentTime) {
+                result = newEvent(deviceState, speedLimit);
+            }
+        }
+        return result;
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+
+        long deviceId = position.getDeviceId();
+        Device device = Context.getIdentityManager().getById(deviceId);
+        if (device == null) {
+            return null;
+        }
+        if (!Context.getIdentityManager().isLatestPosition(position) || !position.getValid()) {
+            return null;
+        }
+
+        double speedLimit = Context.getDeviceManager().lookupAttributeDouble(deviceId, ATTRIBUTE_SPEED_LIMIT, 0, false);
+
+        double geofenceSpeedLimit = 0;
+        long overspeedGeofenceId = 0;
+
+        if (Context.getGeofenceManager() != null && device.getGeofenceIds() != null) {
+            for (long geofenceId : device.getGeofenceIds()) {
+                Geofence geofence = Context.getGeofenceManager().getById(geofenceId);
+                if (geofence != null) {
+                    double currentSpeedLimit = geofence.getDouble(ATTRIBUTE_SPEED_LIMIT);
+                    if (currentSpeedLimit > 0 && geofenceSpeedLimit == 0
+                            || preferLowest && currentSpeedLimit < geofenceSpeedLimit
+                            || !preferLowest && currentSpeedLimit > geofenceSpeedLimit) {
+                        geofenceSpeedLimit = currentSpeedLimit;
+                        overspeedGeofenceId = geofenceId;
+                    }
+                }
+            }
+        }
+        if (geofenceSpeedLimit > 0) {
+            speedLimit = geofenceSpeedLimit;
+        }
+
+        if (speedLimit == 0) {
+            return null;
+        }
+
+        Map<Event, Position> result = null;
+        DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
+
+        if (deviceState.getOverspeedState() == null) {
+            deviceState.setOverspeedState(position.getSpeed() > speedLimit);
+            deviceState.setOverspeedGeofenceId(position.getSpeed() > speedLimit ? overspeedGeofenceId : 0);
+        } else {
+            result = updateOverspeedState(deviceState, position, speedLimit, overspeedGeofenceId);
+        }
+
+        Context.getDeviceManager().setDeviceState(deviceId, deviceState);
+        return result;
+    }
+
+}
diff --git a/src/org/traccar/handler/events/TextMessageEventHandler.java b/src/org/traccar/handler/events/TextMessageEventHandler.java
new file mode 100644
index 000000000..b5e2c72b0
--- /dev/null
+++ b/src/org/traccar/handler/events/TextMessageEventHandler.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@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.events;
+
+import org.traccar.Context;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+
+public final class TextMessageEventHandler {
+
+    private TextMessageEventHandler() {
+    }
+
+    public static void handleTextMessage(String phone, String message) {
+        Device device = Context.getDeviceManager().getDeviceByPhone(phone);
+        if (device != null && Context.getNotificationManager() != null) {
+            Event event = new Event(Event.TYPE_TEXT_MESSAGE, device.getId());
+            event.set("message", message);
+            Context.getNotificationManager().updateEvent(event, null);
+        }
+    }
+
+}