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265
ServerCommon/z.Backup/RabbitMQClient.cs
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265
ServerCommon/z.Backup/RabbitMQClient.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Reflection;
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using Google.Protobuf.WellKnownTypes;
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using Google.Protobuf;
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using Nettention.Proud;
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using RabbitMQ.Client.Events;
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using RabbitMQ.Client;
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using ServerCore; using ServerBase;
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namespace ServerBase;
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public abstract class RabbitMQClient : RabbitMQConnectorBase, IRabbitMqSession, IInitializer
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{
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public delegate Task FnServerMessageRecvFromConsumer<T>(T message, BasicDeliverEventArgs ea) where T : IMessage;
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public FnServerMessageRecvFromConsumer<ServerMessage>? m_fn_server_message_recv_from_consumer;
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private readonly PacketReceiver m_packet_receiver;
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private readonly PacketSender m_packet_sender;
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public RabbitMQClient(string serviceName, string address, int port, string userName, string password, bool useSSL)
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: base(serviceName, address, port, userName, password, useSSL)
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{
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m_packet_receiver = new PacketReceiver(this);
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m_packet_sender = new PacketSender(this);
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}
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public virtual async Task<Result> onInit()
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{
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var result = new Result();
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string err_msg = string.Empty;
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if (false == await m_packet_receiver.registerRecvHandlerAll())
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{
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err_msg = $"Failed to register RecvHandler All !!! - {toBasicString()}";
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result.setFail(ServerErrorCode.PacketRecvHandlerRegisterFailed, err_msg);
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Log.getLogger().error(result.toBasicString());
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return result;
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}
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if (false == await m_packet_sender.registerSendHandlerAll())
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{
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err_msg = $"Failed to register SendHandler All !!! - {toBasicString()}";
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result.setFail(ServerErrorCode.PacketSendHandlerRegisterFailed, err_msg);
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Log.getLogger().error(result.toBasicString());
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return result;
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}
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return result;
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}
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public bool startConsumer4Client(RabbitMQClient.FnServerMessageRecvFromConsumer<ServerMessage> fnFromConsumer)
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{
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var err_msg = string.Empty;
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if (null == fnFromConsumer)
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{
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err_msg = $"Param fnFromConsumers is null !!! - {toBasicString()}";
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Log.getLogger().error(err_msg);
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return false;
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}
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m_fn_server_message_recv_from_consumer = fnFromConsumer;
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return base.startConsumer();
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}
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protected bool onRecvProtocol<T>(BasicDeliverEventArgs ea, T recvProtocol)
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where T : Google.Protobuf.IMessage
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{
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Log.getLogger().info($"receive:{recvProtocol.ToString()} - {toBasicString()}");
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var receiver = getPacketReceiver();
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if (false == receiver.fillupRabbitMqPacketCommand(ea, recvProtocol, out var fillupPacketCommand))
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{
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Log.getLogger().error($"Invalid received Packet !!! : {recvProtocol.ToString()}");
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return false;
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}
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if(fillupPacketCommand == null)
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{
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return false;
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}
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var found_handler = receiver.findRecvHandler(fillupPacketCommand);
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if (null == found_handler)
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{
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Log.getLogger().error($"Unacceptable Packet !!! : {fillupPacketCommand.toBasicString()} - {toBasicString()}");
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return false;
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}
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var task = Task.Factory.StartNew(async () =>
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{
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var result = await found_handler.onCheckValid(this, recvProtocol);
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if (result.isFail())
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{
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Log.getLogger().error($"Failed to check Valid !!! : {fillupPacketCommand.toBasicString()}");
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}
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result = await found_handler.onProcessPacket(this, recvProtocol);
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if (result.isFail())
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{
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Log.getLogger().error($"Failed to process Packet !!! : {fillupPacketCommand.toBasicString()}");
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}
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});
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return true;
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}
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public Task<object>? sendKick( string destServer, string name, Int32 delayMS
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, Action<Task<object>>? callback )
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{
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int reqId = nextReqId();
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Task<object>? wait_task = null;
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if (callback != null)
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{
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var cts = new CancellationTokenSource(delayMS);
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wait_task = registerCompletionSource(reqId, cts.Token, callback);
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if (wait_task == null)
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{
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return null;
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}
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var message = new ServerMessage();
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message.KickReq = new ServerMessage.Types.KickReq();
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message.KickReq.ReqId = reqId;
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message.KickReq.Name = name;
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sendMessageWithJsonToChannel(destServer, message);
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}
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return wait_task;
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}
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protected override async void onRecvJsonMessageFromConsumer(object? sender, BasicDeliverEventArgs ea)
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{
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var body = ea.Body.ToArray();
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var body_string = Encoding.UTF8.GetString(body);
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var recv_message = ServerMessage.Parser.ParseJson(body_string);
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if (m_fn_server_message_recv_from_consumer == null)
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{
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Log.getLogger().error($"m_fn_server_message_recv_from_consumer is null !!! - {toBasicString()}");
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return;
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}
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await m_fn_server_message_recv_from_consumer.Invoke(recv_message, ea);
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}
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protected override void onRecvProtoMessageFromConsumer(object? sender, BasicDeliverEventArgs ea)
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{
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var body = ea.Body.ToArray();
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var body_stream = new CodedInputStream(body);
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var recv_message = new ServerMessage();
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recv_message.MergeFrom(body_stream);
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if (m_fn_server_message_recv_from_consumer == null)
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{
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Log.getLogger().error($"m_fn_server_message_recv_from_consumer is null !!! - {toBasicString()}");
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return;
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}
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// Byte 기반 패킷 전송 테스트 후 아래 코드도 테스트 해본다.
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// 이상 없다면 m_fn_server_message_recv_from_consumer 요건 제거 한다.
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//onRecvProtocol(ea, recv_message);
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// TODO: spooky000 - event에 async 쓸 수없어서 fire and forgot로 한다. 검토 필요.
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_ = m_fn_server_message_recv_from_consumer.Invoke(recv_message, ea);
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}
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public void sendMessageWithByteArrayToChannel<T>(string to, T message)
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where T : Google.Protobuf.IMessage
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{
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IConnection? con = getConnection();
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if (con == null)
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{
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Log.getLogger().error($"Failed to sendMessageWithByteArrayToChannel() !!!, getConnetion() is null - {toBasicString()}");
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return;
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}
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fillupSenderAndTime((message as ServerMessage));
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using (var channel = con.CreateModel())
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{
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channel.QueueDeclare( queue: to,
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durable: true,
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exclusive: false,
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autoDelete: false,
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arguments: null);
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channel.BasicPublish( exchange: "",
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routingKey: to,
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basicProperties: null,
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body: message.ToByteArray() );
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}
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}
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public void sendMessageWithJsonToChannel<T>(string to, T message)
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where T : Google.Protobuf.IMessage
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{
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IConnection? con = getConnection();
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if (con == null)
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{
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Log.getLogger().error("getConnection return null");
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return;
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}
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fillupSenderAndTime((message as ServerMessage));
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using (var channel = con.CreateModel())
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{
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channel.QueueDeclare( queue: to,
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durable: true,
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exclusive: false,
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autoDelete: false,
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arguments: null);
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channel.BasicPublish( exchange: "",
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routingKey: to,
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basicProperties: null,
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body: Encoding.UTF8.GetBytes(message.toJson()) );
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}
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}
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private void fillupSenderAndTime(ServerMessage? toSendMessage)
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{
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if(null == toSendMessage)
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{
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return;
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}
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toSendMessage.MessageTime = Google.Protobuf.WellKnownTypes.Timestamp.FromDateTime(DateTime.UtcNow);
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toSendMessage.MessageSender = getServiceName();
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}
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public PacketReceiver getPacketReceiver() => m_packet_receiver;
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public abstract string toBasicString();
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}
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