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-rw-r--r--src/main/java/org/traccar/Context.java11
-rw-r--r--src/main/java/org/traccar/Main.java15
-rw-r--r--src/main/java/org/traccar/MainEventHandler.java10
-rw-r--r--src/main/java/org/traccar/broadcast/BroadcastMessage.java42
-rw-r--r--src/main/java/org/traccar/broadcast/BroadcastService.java100
-rw-r--r--src/main/java/org/traccar/broadcast/DeviceStatus.java52
-rw-r--r--src/main/java/org/traccar/config/Keys.java14
7 files changed, 238 insertions, 6 deletions
diff --git a/src/main/java/org/traccar/Context.java b/src/main/java/org/traccar/Context.java
index aeba9c4c9..c44d432b2 100644
--- a/src/main/java/org/traccar/Context.java
+++ b/src/main/java/org/traccar/Context.java
@@ -20,6 +20,7 @@ import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr353.JSR353Module;
import org.apache.velocity.app.VelocityEngine;
import org.eclipse.jetty.util.URIUtil;
+import org.traccar.broadcast.BroadcastService;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.database.AttributesManager;
@@ -171,6 +172,12 @@ public final class Context {
return scheduleManager;
}
+ private static BroadcastService broadcastService;
+
+ public static BroadcastService getBroadcastService() {
+ return broadcastService;
+ }
+
private static GeofenceManager geofenceManager;
public static GeofenceManager getGeofenceManager() {
@@ -335,6 +342,10 @@ public final class Context {
serverManager = new ServerManager();
scheduleManager = new ScheduleManager();
+ if (config.hasKey(Keys.BROADCAST_ADDRESS)) {
+ broadcastService = new BroadcastService(config, objectMapper);
+ }
+
if (config.hasKey(Keys.EVENT_FORWARD_URL)) {
eventForwarder = new EventForwarder();
}
diff --git a/src/main/java/org/traccar/Main.java b/src/main/java/org/traccar/Main.java
index 6daf72bb4..2eaf394af 100644
--- a/src/main/java/org/traccar/Main.java
+++ b/src/main/java/org/traccar/Main.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2022 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.
@@ -118,13 +118,14 @@ public final class Main {
List<LifecycleObject> services = new LinkedList<>();
services.add(Context.getServerManager());
- if (Context.getWebServer() != null) {
- services.add(Context.getWebServer());
- }
+ services.add(Context.getWebServer());
services.add(Context.getScheduleManager());
+ services.add(Context.getBroadcastService());
for (LifecycleObject service : services) {
- service.start();
+ if (service != null) {
+ service.start();
+ }
}
Thread.setDefaultUncaughtExceptionHandler((t, e) -> LOGGER.error("Thread exception", e));
@@ -134,7 +135,9 @@ public final class Main {
Collections.reverse(services);
for (LifecycleObject service : services) {
- service.stop();
+ if (service != null) {
+ service.stop();
+ }
}
}));
} catch (Exception e) {
diff --git a/src/main/java/org/traccar/MainEventHandler.java b/src/main/java/org/traccar/MainEventHandler.java
index a3f6f4105..0e60ac06d 100644
--- a/src/main/java/org/traccar/MainEventHandler.java
+++ b/src/main/java/org/traccar/MainEventHandler.java
@@ -23,12 +23,14 @@ import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.timeout.IdleStateEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import org.traccar.broadcast.BroadcastMessage;
import org.traccar.config.Keys;
import org.traccar.database.StatisticsManager;
import org.traccar.helper.DateUtil;
import org.traccar.model.Position;
import org.traccar.storage.StorageException;
+import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedHashSet;
@@ -61,6 +63,14 @@ public class MainEventHandler extends ChannelInboundHandlerAdapter {
LOGGER.warn("Failed to update device", error);
}
+ BroadcastMessage message = new BroadcastMessage();
+ message.setPosition(position);
+ try {
+ Context.getBroadcastService().sendMessage(message);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
String uniqueId = Context.getIdentityManager().getById(position.getDeviceId()).getUniqueId();
StringBuilder builder = new StringBuilder();
diff --git a/src/main/java/org/traccar/broadcast/BroadcastMessage.java b/src/main/java/org/traccar/broadcast/BroadcastMessage.java
new file mode 100644
index 000000000..6b103f373
--- /dev/null
+++ b/src/main/java/org/traccar/broadcast/BroadcastMessage.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 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.broadcast;
+
+import org.traccar.model.Position;
+
+public class BroadcastMessage {
+
+ private DeviceStatus deviceStatus;
+
+ public DeviceStatus getDeviceStatus() {
+ return deviceStatus;
+ }
+
+ public void setDeviceStatus(DeviceStatus deviceStatus) {
+ this.deviceStatus = deviceStatus;
+ }
+
+ private Position position;
+
+ public Position getPosition() {
+ return position;
+ }
+
+ public void setPosition(Position position) {
+ this.position = position;
+ }
+
+}
diff --git a/src/main/java/org/traccar/broadcast/BroadcastService.java b/src/main/java/org/traccar/broadcast/BroadcastService.java
new file mode 100644
index 000000000..b17857fcd
--- /dev/null
+++ b/src/main/java/org/traccar/broadcast/BroadcastService.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2022 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.broadcast;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.LifecycleObject;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+
+import javax.inject.Inject;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class BroadcastService implements LifecycleObject {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(BroadcastService.class);
+
+ private final ObjectMapper objectMapper;
+
+ private final InetAddress address;
+ private final int port;
+
+ private DatagramSocket publisherSocket;
+
+ private final ExecutorService service = Executors.newSingleThreadExecutor();
+ private final byte[] receiverBuffer = new byte[4096];
+
+ @Inject
+ public BroadcastService(Config config, ObjectMapper objectMapper) throws IOException {
+ this.objectMapper = objectMapper;
+ address = InetAddress.getByName(config.getString(Keys.BROADCAST_ADDRESS));
+ port = config.getInteger(Keys.BROADCAST_PORT);
+ }
+
+ public void sendMessage(BroadcastMessage message) throws IOException {
+ byte[] buffer = objectMapper.writeValueAsString(message).getBytes(StandardCharsets.UTF_8);
+ DatagramPacket packet = new DatagramPacket(buffer, buffer.length, address, port);
+ publisherSocket.send(packet);
+ }
+
+ private void handleMessage(BroadcastMessage message) {
+ if (message.getDeviceStatus() != null) {
+ LOGGER.info("Broadcast received device {}", message.getDeviceStatus().getDeviceId());
+ } else if (message.getPosition() != null) {
+ LOGGER.info("Broadcast received position {}", message.getPosition().getDeviceId());
+ }
+ }
+
+ @Override
+ public void start() throws IOException {
+ service.submit(receiver);
+ publisherSocket = new DatagramSocket();
+ }
+
+ @Override
+ public void stop() {
+ publisherSocket.close();
+ service.shutdown();
+ }
+
+ private final Runnable receiver = new Runnable() {
+ @Override
+ public void run() {
+ try (MulticastSocket socket = new MulticastSocket(port)) {
+ socket.joinGroup(address);
+ while (!service.isShutdown()) {
+ DatagramPacket packet = new DatagramPacket(receiverBuffer, receiverBuffer.length);
+ socket.receive(packet);
+ String data = new String(packet.getData(), 0, packet.getLength(), StandardCharsets.UTF_8);
+ handleMessage(objectMapper.readValue(data, BroadcastMessage.class));
+ }
+ socket.leaveGroup(address);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+
+}
diff --git a/src/main/java/org/traccar/broadcast/DeviceStatus.java b/src/main/java/org/traccar/broadcast/DeviceStatus.java
new file mode 100644
index 000000000..4f0143319
--- /dev/null
+++ b/src/main/java/org/traccar/broadcast/DeviceStatus.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2022 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.broadcast;
+
+import java.util.Date;
+
+public class DeviceStatus {
+
+ private long deviceId;
+
+ public long getDeviceId() {
+ return deviceId;
+ }
+
+ public void setDeviceId(long deviceId) {
+ this.deviceId = deviceId;
+ }
+
+ private String status;
+
+ public String getStatus() {
+ return status;
+ }
+
+ public void setStatus(String status) {
+ this.status = status;
+ }
+
+ private Date lastUpdate;
+
+ public Date getLastUpdate() {
+ return this.lastUpdate;
+ }
+
+ public void setLastUpdate(Date lastUpdate) {
+ this.lastUpdate = lastUpdate;
+ }
+
+}
diff --git a/src/main/java/org/traccar/config/Keys.java b/src/main/java/org/traccar/config/Keys.java
index ccfe4bee7..dc6bcbec9 100644
--- a/src/main/java/org/traccar/config/Keys.java
+++ b/src/main/java/org/traccar/config/Keys.java
@@ -1309,4 +1309,18 @@ public final class Keys {
Collections.singletonList(KeyType.GLOBAL),
"time,position,speed,course,accuracy,result");
+ /**
+ * Multicast address for broadcasting synchronization events.
+ */
+ public static final ConfigKey<String> BROADCAST_ADDRESS = new ConfigKey<>(
+ "broadcast.address",
+ Collections.singletonList(KeyType.GLOBAL));
+
+ /**
+ * Multicast port for broadcasting synchronization events.
+ */
+ public static final ConfigKey<Integer> BROADCAST_PORT = new ConfigKey<>(
+ "broadcast.port",
+ Collections.singletonList(KeyType.GLOBAL));
+
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 19:52:09 +0000