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authorAnton Tananaev <anton@traccar.org>2023-04-10 19:40:22 -0700
committerAnton Tananaev <anton@traccar.org>2023-04-10 19:40:22 -0700
commitdd8c46eec3282e344eeea5e27d084448c85e1518 (patch)
tree6e82515d28493ec506d250c282b07bbf96d16f34 /src/main
parentee39f67d21078da595a819255b59d88c30e66d7a (diff)
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Add raw data forwarding
Diffstat (limited to 'src/main')
-rw-r--r--src/main/java/org/traccar/BasePipelineFactory.java13
-rw-r--r--src/main/java/org/traccar/config/Keys.java7
-rw-r--r--src/main/java/org/traccar/forward/NetworkForwarder.java66
-rw-r--r--src/main/java/org/traccar/handler/NetworkForwarderHandler.java64
4 files changed, 147 insertions, 3 deletions
diff --git a/src/main/java/org/traccar/BasePipelineFactory.java b/src/main/java/org/traccar/BasePipelineFactory.java
index 70f999c72..38b077980 100644
--- a/src/main/java/org/traccar/BasePipelineFactory.java
+++ b/src/main/java/org/traccar/BasePipelineFactory.java
@@ -36,6 +36,7 @@ import org.traccar.handler.GeocoderHandler;
import org.traccar.handler.GeolocationHandler;
import org.traccar.handler.HemisphereHandler;
import org.traccar.handler.MotionHandler;
+import org.traccar.handler.NetworkForwarderHandler;
import org.traccar.handler.NetworkMessageHandler;
import org.traccar.handler.OpenChannelHandler;
import org.traccar.handler.RemoteAddressHandler;
@@ -60,15 +61,15 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
private final Injector injector;
private final TrackerConnector connector;
+ private final Config config;
private final String protocol;
- private final boolean instantAcknowledgement;
private final int timeout;
public BasePipelineFactory(TrackerConnector connector, Config config, String protocol) {
this.injector = Main.getInjector();
this.connector = connector;
+ this.config = config;
this.protocol = protocol;
- instantAcknowledgement = config.getBoolean(Keys.SERVER_INSTANT_ACKNOWLEDGEMENT);
int timeout = config.getInteger(Keys.PROTOCOL_TIMEOUT.withPrefix(protocol));
if (timeout == 0) {
this.timeout = config.getInteger(Keys.SERVER_TIMEOUT);
@@ -115,9 +116,15 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
pipeline.addLast(new IdleStateHandler(timeout, 0, 0));
}
pipeline.addLast(new OpenChannelHandler(connector));
+ if (config.hasKey(Keys.SERVER_FORWARD)) {
+ int port = config.getInteger(Keys.PROTOCOL_PORT.withPrefix(protocol));
+ var handler = new NetworkForwarderHandler(port);
+ injector.injectMembers(handler);
+ pipeline.addLast(handler);
+ }
pipeline.addLast(new NetworkMessageHandler());
pipeline.addLast(new StandardLoggingHandler(protocol));
- if (!instantAcknowledgement) {
+ if (!config.getBoolean(Keys.SERVER_INSTANT_ACKNOWLEDGEMENT)) {
pipeline.addLast(new AcknowledgementHandler());
}
diff --git a/src/main/java/org/traccar/config/Keys.java b/src/main/java/org/traccar/config/Keys.java
index b97acfd66..8ced32153 100644
--- a/src/main/java/org/traccar/config/Keys.java
+++ b/src/main/java/org/traccar/config/Keys.java
@@ -806,6 +806,13 @@ public final class Keys {
"max-age=3600,public");
/**
+ * Host for raw data forwarding.
+ */
+ public static final ConfigKey<String> SERVER_FORWARD = new StringConfigKey(
+ "server.forward",
+ List.of(KeyType.CONFIG));
+
+ /**
* Position forwarding format. Available options are "url", "json" and "kafka". Default is "url".
*/
public static final ConfigKey<String> FORWARD_TYPE = new StringConfigKey(
diff --git a/src/main/java/org/traccar/forward/NetworkForwarder.java b/src/main/java/org/traccar/forward/NetworkForwarder.java
new file mode 100644
index 000000000..6abf2b7ba
--- /dev/null
+++ b/src/main/java/org/traccar/forward/NetworkForwarder.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2023 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.forward;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.util.HashMap;
+import java.util.Map;
+
+@Singleton
+public class NetworkForwarder {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(NetworkForwarder.class);
+
+ private final InetAddress destination;
+ private final DatagramSocket connectionUdp;
+ private final Map<InetSocketAddress, Socket> connectionsTcp = new HashMap<>();
+
+ @Inject
+ public NetworkForwarder(Config config) throws IOException {
+ destination = InetAddress.getByName(config.getString(Keys.SERVER_FORWARD));
+ connectionUdp = new DatagramSocket();
+ }
+
+ public void forward(InetSocketAddress source, int port, boolean datagram, byte[] data) {
+ try {
+ if (datagram) {
+ connectionUdp.send(new DatagramPacket(data, data.length, destination, port));
+ } else {
+ Socket connectionTcp = connectionsTcp.get(source);
+ if (connectionTcp == null || connectionTcp.isClosed()) {
+ connectionTcp = new Socket(destination, port);
+ connectionsTcp.put(source, connectionTcp);
+ }
+ connectionTcp.getOutputStream().write(data);
+ }
+ } catch (IOException e) {
+ LOGGER.warn("Network forwarding error", e);
+ }
+ }
+
+}
diff --git a/src/main/java/org/traccar/handler/NetworkForwarderHandler.java b/src/main/java/org/traccar/handler/NetworkForwarderHandler.java
new file mode 100644
index 000000000..a3792a3e5
--- /dev/null
+++ b/src/main/java/org/traccar/handler/NetworkForwarderHandler.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2023 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.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.socket.DatagramChannel;
+import io.netty.channel.socket.DatagramPacket;
+import org.traccar.forward.NetworkForwarder;
+
+import javax.inject.Inject;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+
+public class NetworkForwarderHandler extends ChannelInboundHandlerAdapter {
+
+ private final int port;
+
+ private NetworkForwarder networkForwarder;
+
+ public NetworkForwarderHandler(int port) {
+ this.port = port;
+ }
+
+ @Inject
+ public void setNetworkForwarder(NetworkForwarder networkForwarder) {
+ this.networkForwarder = networkForwarder;
+ }
+
+ @Override
+ public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+ boolean datagram = ctx.channel() instanceof DatagramChannel;
+ SocketAddress remoteAddress;
+ ByteBuf buffer;
+ if (datagram) {
+ DatagramPacket message = (DatagramPacket) msg;
+ remoteAddress = message.recipient();
+ buffer = message.content();
+ } else {
+ remoteAddress = ctx.channel().remoteAddress();
+ buffer = (ByteBuf) msg;
+ }
+
+ byte[] data = new byte[buffer.readableBytes()];
+ buffer.getBytes(buffer.readerIndex(), data);
+ networkForwarder.forward((InetSocketAddress) remoteAddress, port, datagram, data);
+ super.channelRead(ctx, msg);
+ }
+
+}