Implement server statistics collection

11 files changed, 250 insertions, 0 deletions

diff --git a/debug.xml b/debug.xml
index 6f2ccc738..2314735ca 100644
--- a/debug.xml
+++ b/debug.xml
@@ -353,6 +353,15 @@
         DELETE FROM attribute_aliases WHERE id = :id;
     </entry>
 
+    <entry key='database.selectStatistics'>
+        SELECT * FROM statistics;
+    </entry>
+
+    <entry key='database.insertStatistics'>
+        INSERT INTO statistics (captureTime, activeUsers, activeDevices, requests, messagesReceived, messagesStored, attributes)
+        VALUES (:captureTime, :activeUsers, :activeDevices, :requests, :messagesReceived, :messagesStored, :attributes);
+    </entry>
+
     <!-- PROTOCOL CONFIG -->
 
     <entry key='gps103.port'>5001</entry>
diff --git a/schema/changelog-3.8.xml b/schema/changelog-3.8.xml
index 304ac21d4..deab6603c 100644
--- a/schema/changelog-3.8.xml
+++ b/schema/changelog-3.8.xml
@@ -39,5 +39,32 @@
       <where>speedunit = 'kmh'</where>
     </update>
 
+    <createTable tableName="statistics">
+      <column name="id" type="INT" autoIncrement="true">
+        <constraints primaryKey="true" />
+      </column>
+      <column name="capturetime" type="TIMESTAMP">
+        <constraints nullable="false" />
+      </column>
+      <column name="activeusers" type="INT" defaultValueNumeric="0">
+        <constraints nullable="false" />
+      </column>
+      <column name="activedevices" type="INT" defaultValueNumeric="0">
+        <constraints nullable="false" />
+      </column>
+      <column name="requests" type="INT" defaultValueNumeric="0">
+        <constraints nullable="false" />
+      </column>
+      <column name="messagesreceived" type="INT" defaultValueNumeric="0">
+        <constraints nullable="false" />
+      </column>
+      <column name="messagesstored" type="INT" defaultValueNumeric="0">
+        <constraints nullable="false" />
+      </column>
+      <column name="attributes" type="VARCHAR(4096)">
+        <constraints nullable="false" />
+      </column>
+    </createTable>
+
   </changeSet>
 </databaseChangeLog>
diff --git a/src/org/traccar/BaseProtocolDecoder.java b/src/org/traccar/BaseProtocolDecoder.java
index 46832a4ca..72b9a7a74 100644
--- a/src/org/traccar/BaseProtocolDecoder.java
+++ b/src/org/traccar/BaseProtocolDecoder.java
@@ -129,6 +129,9 @@ public abstract class BaseProtocolDecoder extends ExtendedObjectDecoder {
 
     @Override
     protected void onMessageEvent(Channel channel, SocketAddress remoteAddress, Object msg) {
+        if (Context.getStatisticsManager() != null) {
+            Context.getStatisticsManager().registerMessageReceived();
+        }
         DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
         if (deviceSession != null) {
             Context.getConnectionManager().updateDevice(deviceSession.getDeviceId(), Device.STATUS_ONLINE, new Date());
diff --git a/src/org/traccar/Context.java b/src/org/traccar/Context.java
index 5a3dca878..827761cc5 100644
--- a/src/org/traccar/Context.java
+++ b/src/org/traccar/Context.java
@@ -25,6 +25,7 @@ import org.traccar.database.IdentityManager;
 import org.traccar.database.NotificationManager;
 import org.traccar.database.PermissionsManager;
 import org.traccar.database.GeofenceManager;
+import org.traccar.database.StatisticsManager;
 import org.traccar.geocode.BingMapsReverseGeocoder;
 import org.traccar.geocode.FactualReverseGeocoder;
 import org.traccar.geocode.GeocodeFarmReverseGeocoder;
@@ -142,6 +143,12 @@ public final class Context {
         return aliasesManager;
     }
 
+    private static StatisticsManager statisticsManager;
+
+    public static StatisticsManager getStatisticsManager() {
+        return statisticsManager;
+    }
+
     public static void init(String[] arguments) throws Exception {
 
         config = new Config();
@@ -245,6 +252,8 @@ public final class Context {
 
         aliasesManager = new AliasesManager(dataManager);
 
+        statisticsManager = new StatisticsManager();
+
     }
 
     public static void init(IdentityManager testIdentityManager) {
diff --git a/src/org/traccar/DeviceSession.java b/src/org/traccar/DeviceSession.java
index 5e2686f23..45bc5dcde 100644
--- a/src/org/traccar/DeviceSession.java
+++ b/src/org/traccar/DeviceSession.java
@@ -21,6 +21,9 @@ public class DeviceSession {
 
     public DeviceSession(long deviceId) {
         this.deviceId = deviceId;
+        if (Context.getStatisticsManager() != null) {
+            Context.getStatisticsManager().registerDevice(deviceId);
+        }
     }
 
     public long getDeviceId() {
diff --git a/src/org/traccar/MainEventHandler.java b/src/org/traccar/MainEventHandler.java
index 3f7e68b2a..24aa50117 100644
--- a/src/org/traccar/MainEventHandler.java
+++ b/src/org/traccar/MainEventHandler.java
@@ -62,6 +62,7 @@ public class MainEventHandler extends IdleStateAwareChannelHandler {
             }
             Log.info(s.toString());
 
+            Context.getStatisticsManager().registerMessageStored();
         }
     }
 
diff --git a/src/org/traccar/api/SecurityRequestFilter.java b/src/org/traccar/api/SecurityRequestFilter.java
index f0dd363db..ff4241b97 100644
--- a/src/org/traccar/api/SecurityRequestFilter.java
+++ b/src/org/traccar/api/SecurityRequestFilter.java
@@ -55,6 +55,7 @@ public class SecurityRequestFilter implements ContainerRequestFilter {
 
     @Override
     public void filter(ContainerRequestContext requestContext) {
+        Context.getStatisticsManager().registerRequest();
 
         if (requestContext.getMethod().equals("OPTIONS")) {
             return;
diff --git a/src/org/traccar/api/resource/SessionResource.java b/src/org/traccar/api/resource/SessionResource.java
index deed70b37..4ab1960c9 100644
--- a/src/org/traccar/api/resource/SessionResource.java
+++ b/src/org/traccar/api/resource/SessionResource.java
@@ -73,6 +73,7 @@ public class SessionResource extends BaseResource {
         }
 
         if (userId != null) {
+            Context.getStatisticsManager().registerUser(userId);
             return Context.getPermissionsManager().getUser(userId);
         } else {
             throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND).build());
@@ -85,6 +86,7 @@ public class SessionResource extends BaseResource {
             @FormParam("email") String email, @FormParam("password") String password) throws SQLException {
         User user = Context.getPermissionsManager().login(email, password);
         if (user != null) {
+            Context.getStatisticsManager().registerUser(user.getId());
             request.getSession().setAttribute(USER_ID_KEY, user.getId());
             return user;
         } else {
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 02adb0455..c58fe40a5 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -48,6 +48,7 @@ import org.traccar.model.GroupPermission;
 import org.traccar.model.Notification;
 import org.traccar.model.Position;
 import org.traccar.model.Server;
+import org.traccar.model.Statistics;
 import org.traccar.model.User;
 import org.traccar.model.DeviceGeofence;
 import org.traccar.model.GeofencePermission;
@@ -484,4 +485,16 @@ public class DataManager {
                 .setLong("id", attributeAliasId)
                 .executeUpdate();
     }
+
+    public Collection<Statistics> getStatistics() throws SQLException {
+        return QueryBuilder.create(dataSource, getQuery("database.selectStatistics"))
+                .executeQuery(Statistics.class);
+    }
+
+    public void addStatistics(Statistics statistics) throws SQLException {
+        statistics.setId(QueryBuilder.create(dataSource, getQuery("database.insertStatistics"), true)
+                .setObject(statistics)
+                .executeUpdate());
+    }
+
 }
diff --git a/src/org/traccar/database/StatisticsManager.java b/src/org/traccar/database/StatisticsManager.java
new file mode 100644
index 000000000..b21380332
--- /dev/null
+++ b/src/org/traccar/database/StatisticsManager.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.database;
+
+import org.traccar.Context;
+import org.traccar.helper.Log;
+import org.traccar.model.Statistics;
+
+import java.sql.SQLException;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.Set;
+
+public class StatisticsManager {
+
+    private static final int SPLIT_MODE = Calendar.MINUTE;
+
+    private int lastUpdate = Calendar.getInstance().get(SPLIT_MODE);
+
+    private Set<Long> users = new HashSet<>();
+    private Set<Long> devices = new HashSet<>();
+
+    private int requests;
+    private int messagesReceived;
+    private int messagesStored;
+
+    private void checkSplit() {
+        int currentUpdate = Calendar.getInstance().get(SPLIT_MODE);
+        if (lastUpdate != currentUpdate) {
+            Statistics statistics = new Statistics();
+            statistics.setCaptureTime(new Date());
+            statistics.setActiveUsers(users.size());
+            statistics.setActiveDevices(devices.size());
+            statistics.setRequests(requests);
+            statistics.setMessagesReceived(messagesReceived);
+            statistics.setMessagesStored(messagesStored);
+
+            try {
+                Context.getDataManager().addStatistics(statistics);
+            } catch (SQLException e) {
+                Log.warning(e);
+            }
+
+            users.clear();
+            devices.clear();
+            requests = 0;
+            messagesReceived = 0;
+            messagesStored = 0;
+            lastUpdate = currentUpdate;
+        }
+    }
+
+    public synchronized void registerUser(long userId) {
+        checkSplit();
+        users.add(userId);
+    }
+
+    public synchronized void registerDevice(long deviceId) {
+        checkSplit();
+        devices.add(deviceId);
+    }
+
+    public synchronized void registerRequest() {
+        checkSplit();
+        requests += 1;
+    }
+
+    public synchronized void registerMessageReceived() {
+        checkSplit();
+        messagesReceived += 1;
+    }
+
+    public synchronized void registerMessageStored() {
+        checkSplit();
+        messagesStored += 1;
+    }
+
+}
diff --git a/src/org/traccar/model/Statistics.java b/src/org/traccar/model/Statistics.java
new file mode 100644
index 000000000..0461ebd7e
--- /dev/null
+++ b/src/org/traccar/model/Statistics.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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;
+
+import java.util.Date;
+
+public class Statistics extends Extensible {
+
+    private Date captureTime;
+
+    public Date getCaptureTime() {
+        if (captureTime != null) {
+            return new Date(captureTime.getTime());
+        } else {
+            return null;
+        }
+    }
+
+    public void setCaptureTime(Date captureTime) {
+        if (captureTime != null) {
+            this.captureTime = new Date(captureTime.getTime());
+        } else {
+            this.captureTime = null;
+        }
+    }
+
+    private int activeUsers;
+
+    public int getActiveUsers() {
+        return activeUsers;
+    }
+
+    public void setActiveUsers(int activeUsers) {
+        this.activeUsers = activeUsers;
+    }
+
+    private int activeDevices;
+
+    public int getActiveDevices() {
+        return activeDevices;
+    }
+
+    public void setActiveDevices(int activeDevices) {
+        this.activeDevices = activeDevices;
+    }
+
+    private int requests;
+
+    public int getRequests() {
+        return requests;
+    }
+
+    public void setRequests(int requests) {
+        this.requests = requests;
+    }
+
+    private int messagesReceived;
+
+    public int getMessagesReceived() {
+        return messagesReceived;
+    }
+
+    public void setMessagesReceived(int messagesReceived) {
+        this.messagesReceived = messagesReceived;
+    }
+
+    private int messagesStored;
+
+    public int getMessagesStored() {
+        return messagesStored;
+    }
+
+    public void setMessagesStored(int messagesStored) {
+        this.messagesStored = messagesStored;
+    }
+
+}