/* * 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.helper; import io.netty.channel.Channel; import io.netty.channel.socket.DatagramChannel; public final class NetworkUtil { private NetworkUtil() { } public static String session(Channel channel) { char transport = channel instanceof DatagramChannel ? 'U' : 'T'; return transport + channel.id().asShortText(); } }