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-rw-r--r--src/main/java/org/traccar/handler/NetworkForwarderHandler.java64
1 files changed, 64 insertions, 0 deletions
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);
+ }
+
+}