diff options
Diffstat (limited to 'src/main/java/org/traccar/forward')
-rw-r--r-- | src/main/java/org/traccar/forward/NetworkForwarder.java | 66 |
1 files changed, 66 insertions, 0 deletions
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); + } + } + +} |