Implement motion detection similar to trips detection

5 files changed, 160 insertions, 15 deletions

diff --git a/src/org/traccar/database/ConnectionManager.java b/src/org/traccar/database/ConnectionManager.java
index 1445fb785..b3b00fefa 100644
--- a/src/org/traccar/database/ConnectionManager.java
+++ b/src/org/traccar/database/ConnectionManager.java
@@ -23,8 +23,11 @@ import org.traccar.GlobalTimer;
 import org.traccar.Protocol;
 import org.traccar.helper.Log;
 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;
 
 import java.net.SocketAddress;
 import java.sql.SQLException;
@@ -41,6 +44,7 @@ public class ConnectionManager {
 
     private final long deviceTimeout;
     private final boolean enableStatusEvents;
+    private TripsConfig tripsConfig = null;
 
     private final Map<Long, ActiveDevice> activeDevices = new ConcurrentHashMap<>();
     private final Map<Long, Set<UpdateListener>> listeners = new ConcurrentHashMap<>();
@@ -49,6 +53,9 @@ public class ConnectionManager {
     public ConnectionManager() {
         deviceTimeout = Context.getConfig().getLong("status.timeout", DEFAULT_TIMEOUT) * 1000;
         enableStatusEvents = Context.getConfig().getBoolean("event.enable");
+        if (Context.getConfig().getBoolean("status.updateDeviceState")) {
+            tripsConfig = ReportUtils.initTripsConfig();
+        }
     }
 
     public void addActiveDevice(long deviceId, Protocol protocol, Channel channel, SocketAddress remoteAddress) {
@@ -80,21 +87,30 @@ public class ConnectionManager {
 
         if (enableStatusEvents && !status.equals(oldStatus)) {
             String eventType;
+            Event stateEvent = null;
             switch (status) {
                 case Device.STATUS_ONLINE:
                     eventType = Event.TYPE_DEVICE_ONLINE;
                     break;
                 case Device.STATUS_UNKNOWN:
                     eventType = Event.TYPE_DEVICE_UNKNOWN;
+                    if (tripsConfig != null) {
+                        stateEvent = updateDeviceState(deviceId);
+                    }
                     break;
                 default:
                     eventType = Event.TYPE_DEVICE_OFFLINE;
+                    if (tripsConfig != null) {
+                        stateEvent = updateDeviceState(deviceId);
+                    }
                     break;
             }
-            Event event = new Event(eventType, deviceId);
-            if (Context.getNotificationManager() != null) {
-                Context.getNotificationManager().updateEvent(event, null);
+            Set<Event> events = new HashSet<>();
+            if (stateEvent != null) {
+                events.add(stateEvent);
             }
+            events.add(new Event(eventType, deviceId));
+            Context.getNotificationManager().updateEvents(events, null);
         }
 
         Timeout timeout = timeouts.remove(deviceId);
@@ -126,6 +142,29 @@ public class ConnectionManager {
         updateDevice(device);
     }
 
+    public Event updateDeviceState(long deviceId) {
+        DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
+        if (deviceState == null || deviceState.getMotionState() == null) {
+            return null;
+        }
+        Event result = null;
+        Boolean oldMotion = deviceState.getMotionState();
+        long currentTime = new Date().getTime();
+        boolean newMotion = !oldMotion;
+        Position potentialPosition = deviceState.getMotionPosition();
+        if (potentialPosition != null) {
+            long potentialTime = potentialPosition.getFixTime().getTime()
+                    + (newMotion ? tripsConfig.getMinimalTripDuration() : tripsConfig.getMinimalParkingDuration());
+            if (potentialTime <= currentTime) {
+                String eventType = newMotion ? Event.TYPE_DEVICE_MOVING : Event.TYPE_DEVICE_STOPPED;
+                result = new Event(eventType, potentialPosition.getDeviceId(), potentialPosition.getId());
+                deviceState.setMotionState(newMotion);
+                deviceState.setMotionPosition(null);
+            }
+        }
+        return result;
+    }
+
     public synchronized void updateDevice(Device device) {
         for (long userId : Context.getPermissionsManager().getDeviceUsers(device.getId())) {
             if (listeners.containsKey(userId)) {
diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java
index 5d123f9b8..3b7e5c617 100644
--- a/src/org/traccar/database/DeviceManager.java
+++ b/src/org/traccar/database/DeviceManager.java
@@ -33,6 +33,7 @@ import org.traccar.helper.Log;
 import org.traccar.model.Command;
 import org.traccar.model.CommandType;
 import org.traccar.model.Device;
+import org.traccar.model.DeviceState;
 import org.traccar.model.DeviceTotalDistance;
 import org.traccar.model.Group;
 import org.traccar.model.Position;
@@ -52,6 +53,8 @@ public class DeviceManager extends BaseObjectManager<Device> implements Identity
 
     private final Map<Long, Position> positions = new ConcurrentHashMap<>();
 
+    private final Map<Long, DeviceState> deviceStates = new ConcurrentHashMap<>();
+
     private boolean fallbackToText;
 
     public DeviceManager(DataManager dataManager) {
@@ -387,4 +390,13 @@ public class DeviceManager extends BaseObjectManager<Device> implements Identity
         }
         return result;
     }
+
+    public DeviceState getDeviceState(long deviceId) {
+        return deviceStates.get(deviceId);
+    }
+
+    public void setDeviceState(long deviceId, DeviceState deviceState) {
+        deviceStates.put(deviceId, deviceState);
+    }
+
 }
diff --git a/src/org/traccar/events/MotionEventHandler.java b/src/org/traccar/events/MotionEventHandler.java
index ed81176a8..9168d0fd8 100644
--- a/src/org/traccar/events/MotionEventHandler.java
+++ b/src/org/traccar/events/MotionEventHandler.java
@@ -21,11 +21,60 @@ import java.util.Collections;
 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;
 
 public class MotionEventHandler extends BaseEventHandler {
 
+    private TripsConfig tripsConfig;
+
+    public MotionEventHandler() {
+        if (Context.getConfig() != null) {
+            tripsConfig = ReportUtils.initTripsConfig();
+        }
+    }
+
+    public static Event updateMotionState(DeviceState deviceState, Position position, TripsConfig tripsConfig) {
+        Event result = null;
+        Boolean oldMotion = deviceState.getMotionState();
+
+        long currentTime = position.getFixTime().getTime();
+        boolean newMotion = position.getBoolean(Position.KEY_MOTION);
+        if (newMotion != oldMotion) {
+            if (deviceState.getMotionPosition() == null) {
+                deviceState.setMotionPosition(position);
+            }
+        } else {
+            deviceState.setMotionPosition(null);
+        }
+
+        Position potentialPosition = deviceState.getMotionPosition();
+        if (potentialPosition != null) {
+            long potentialTime = potentialPosition.getFixTime().getTime();
+            double distance = ReportUtils.calculateDistance(potentialPosition, position, false);
+            if (newMotion) {
+                if (potentialTime + tripsConfig.getMinimalTripDuration() <= currentTime
+                        || distance >= tripsConfig.getMinimalTripDistance()) {
+                    result = new Event(Event.TYPE_DEVICE_MOVING, potentialPosition.getDeviceId(),
+                            potentialPosition.getId());
+                    deviceState.setMotionState(true);
+                    deviceState.setMotionPosition(null);
+                }
+            } else {
+                if (potentialTime + tripsConfig.getMinimalParkingDuration() <= currentTime) {
+                    result = new Event(Event.TYPE_DEVICE_STOPPED, potentialPosition.getDeviceId(),
+                            potentialPosition.getId());
+                    deviceState.setMotionState(false);
+                    deviceState.setMotionPosition(null);
+                }
+            }
+        }
+        return result;
+    }
+
     @Override
     protected Collection<Event> analyzePosition(Position position) {
 
@@ -37,18 +86,22 @@ public class MotionEventHandler extends BaseEventHandler {
             return null;
         }
 
-        boolean motion = position.getBoolean(Position.KEY_MOTION);
-        boolean oldMotion = false;
-        Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
-        if (lastPosition != null) {
-            oldMotion = lastPosition.getBoolean(Position.KEY_MOTION);
+        Event result = null;
+
+        long deviceId = position.getDeviceId();
+        DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
+
+        if (deviceState == null) {
+            deviceState = new DeviceState();
+            deviceState.setMotionState(position.getBoolean(Position.KEY_MOTION));
+        } else if (deviceState.getMotionState() == null) {
+            deviceState.setMotionState(position.getBoolean(Position.KEY_MOTION));
+        } else {
+            result = updateMotionState(deviceState, position, tripsConfig);
         }
-        if (motion && !oldMotion) {
-            return Collections.singleton(
-                    new Event(Event.TYPE_DEVICE_MOVING, position.getDeviceId(), position.getId()));
-        } else if (!motion && oldMotion) {
-            return Collections.singleton(
-                    new Event(Event.TYPE_DEVICE_STOPPED, position.getDeviceId(), position.getId()));
+        Context.getDeviceManager().setDeviceState(deviceId, deviceState);
+        if (result != null) {
+            return Collections.singleton(result);
         }
         return null;
     }
diff --git a/src/org/traccar/model/DeviceState.java b/src/org/traccar/model/DeviceState.java
new file mode 100644
index 000000000..3626b9953
--- /dev/null
+++ b/src/org/traccar/model/DeviceState.java
@@ -0,0 +1,41 @@
+/*
+ * 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.model;
+
+public class DeviceState {
+
+    private Boolean motionState;
+
+    public void setMotionState(boolean motionState) {
+        this.motionState = motionState;
+    }
+
+    public Boolean getMotionState() {
+        return motionState;
+    }
+
+    private Position motionPosition;
+
+    public void setMotionPosition(Position motionPosition) {
+        this.motionPosition = motionPosition;
+    }
+
+    public Position getMotionPosition() {
+        return motionPosition;
+    }
+
+}
diff --git a/src/org/traccar/reports/ReportUtils.java b/src/org/traccar/reports/ReportUtils.java
index 540feb6c6..e8db7e3b5 100644
--- a/src/org/traccar/reports/ReportUtils.java
+++ b/src/org/traccar/reports/ReportUtils.java
@@ -157,8 +157,8 @@ public final class ReportUtils {
 
     public static TripsConfig initTripsConfig() {
         return new TripsConfig(
-                Context.getConfig().getLong("report.trip.minimalTripDuration", 300) * 1000,
                 Context.getConfig().getLong("report.trip.minimalTripDistance", 500),
+                Context.getConfig().getLong("report.trip.minimalTripDuration", 300) * 1000,
                 Context.getConfig().getLong("report.trip.minimalParkingDuration", 300) * 1000,
                 Context.getConfig().getBoolean("report.trip.greedyParking"),
                 Context.getConfig().getLong("report.trip.minimalNoDataDuration", 3600) * 1000);