Java tutorial
/* * MIT License * * Copyright (c) 2016 Asynchronous Game Query Library * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.ibasco.agql.protocols.valve.source.query; import com.ibasco.agql.core.Transport; import com.ibasco.agql.core.enums.ChannelType; import com.ibasco.agql.core.enums.ProcessingMode; import com.ibasco.agql.core.enums.RequestPriority; import com.ibasco.agql.core.exceptions.MessengerException; import com.ibasco.agql.core.messenger.GameServerMessenger; import com.ibasco.agql.core.transport.tcp.NettyPooledTcpTransport; import com.ibasco.agql.protocols.valve.source.query.enums.SourceRconRequestType; import com.ibasco.agql.protocols.valve.source.query.request.SourceRconAuthRequest; import com.ibasco.agql.protocols.valve.source.query.request.SourceRconCmdRequest; import com.ibasco.agql.protocols.valve.source.query.response.SourceRconAuthResponse; import com.ibasco.agql.protocols.valve.source.query.response.SourceRconCmdResponse; import io.netty.channel.ChannelOption; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.LinkedHashMap; import java.util.Map; import java.util.concurrent.CompletableFuture; public class SourceRconMessenger extends GameServerMessenger<SourceRconRequest, SourceRconResponse> { private static final Logger log = LoggerFactory.getLogger(SourceRconMessenger.class); private Map<Integer, SourceRconRequestType> requestTypeMap = new LinkedHashMap<>(); private boolean terminatingPacketsEnabled = false; public SourceRconMessenger(boolean terminatingPacketsEnabled) { super(new SourceRconSessionIdFactory(), ProcessingMode.SYNCHRONOUS); this.terminatingPacketsEnabled = terminatingPacketsEnabled; } @Override protected Transport<SourceRconRequest> createTransportService() { NettyPooledTcpTransport<SourceRconRequest> transport = new NettyPooledTcpTransport<>(ChannelType.NIO_TCP); transport.setChannelInitializer(new SourceRconChannelInitializer(this)); transport.addChannelOption(ChannelOption.SO_SNDBUF, 1048576 * 4); transport.addChannelOption(ChannelOption.SO_RCVBUF, 1048576 * 4); transport.addChannelOption(ChannelOption.SO_KEEPALIVE, true); transport.addChannelOption(ChannelOption.TCP_NODELAY, true); return transport; } @Override public CompletableFuture<SourceRconResponse> send(SourceRconRequest request, RequestPriority priority) { final int requestId = request.getRequestId(); SourceRconRequestType type = getRequestType(request); //Make sure we have a request type if (type == null) throw new MessengerException("Unrecognized rcon request"); //Add the request type to the map requestTypeMap.put(requestId, getRequestType(request)); final CompletableFuture<SourceRconResponse> futureResponse = super.send(request, priority); //Make sure to remove the requestId once the response future is completed futureResponse.whenComplete((response, error) -> { log.debug("Removing request id '{}' from type map", requestId); requestTypeMap.remove(requestId); }); return futureResponse; } public boolean isTerminatingPacketsEnabled() { return terminatingPacketsEnabled; } public SourceRconRequestType getRequestType(SourceRconRequest request) { if (request instanceof SourceRconAuthRequest) { return SourceRconRequestType.AUTH; } else if (request instanceof SourceRconCmdRequest) { return SourceRconRequestType.COMMAND; } return null; } public Map<Integer, SourceRconRequestType> getRequestTypeMap() { return requestTypeMap; } @Override public void configureMappings( Map<Class<? extends SourceRconRequest>, Class<? extends SourceRconResponse>> map) { map.put(SourceRconAuthRequest.class, SourceRconAuthResponse.class); map.put(SourceRconCmdRequest.class, SourceRconCmdResponse.class); } @Override public void accept(SourceRconResponse response, Throwable error) { super.accept(response, error); } }