2009-02-08 12:30:55 +03:00
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/*
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Copyright (C) 2009 Volker Berlin (vberlin@inetsoftware.de)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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2009-02-04 22:24:29 +03:00
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using System;
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2009-02-04 22:08:20 +03:00
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using System.Collections.Generic;
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using System.Text;
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namespace ikvm.debugger
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{
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/// <summary>
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/// Implementation of the JDWP Protocol. The documentation is at:
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/// http://java.sun.com/javase/6/docs/platform/jpda/jdwp/jdwp-protocol.html
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/// </summary>
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class JdwpHandler
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{
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private readonly JdwpConnection conn;
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2009-02-08 12:30:55 +03:00
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// TODO Create a real implementation
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private readonly TargetVM target;
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internal JdwpHandler(JdwpConnection conn, TargetVM target)
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2009-02-04 22:08:20 +03:00
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{
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this.conn = conn;
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2009-02-08 12:30:55 +03:00
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this.target = target;
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2009-02-04 22:08:20 +03:00
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}
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internal void Run()
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{
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while (true)
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{
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Packet packet = conn.ReadPacket();
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2009-02-12 23:49:23 +03:00
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Console.Error.WriteLine("Packet:"+packet.CommandSet + " " + packet.Command);
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2009-02-04 22:08:20 +03:00
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switch (packet.CommandSet)
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{
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case CommandSet.VirtualMachine:
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CommandSetVirtualMachine(packet);
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break;
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2009-02-12 23:49:23 +03:00
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case CommandSet.ReferenceType:
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CommandSetReferenceType(packet);
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break;
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2009-02-05 00:27:01 +03:00
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case CommandSet.EventRequest:
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CommandSetEventRequest(packet);
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break;
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2009-02-04 22:08:20 +03:00
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default:
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2009-02-05 00:27:01 +03:00
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NotImplementedPacket(packet);
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2009-02-04 22:08:20 +03:00
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break;
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}
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}
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}
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2009-02-08 12:30:55 +03:00
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/// <summary>
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/// http://java.sun.com/javase/6/docs/platform/jpda/jdwp/jdwp-protocol.html#JDWP_VirtualMachine
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/// </summary>
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/// <param name="packet"></param>
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2009-02-04 22:08:20 +03:00
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private void CommandSetVirtualMachine(Packet packet)
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{
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switch (packet.Command)
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{
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2009-02-05 23:27:10 +03:00
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case VirtualMachine.Version:
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packet.WriteString("IKVM Debugger");
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packet.WriteInt(1);
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packet.WriteInt(6);
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packet.WriteString("1.6.0");
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packet.WriteString("IKVM.NET");
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2009-02-12 23:49:23 +03:00
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conn.SendPacket(packet);
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break;
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case VirtualMachine.ClassesBySignature:
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String jniClassName = packet.ReadString();
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packet.WriteInt(1); // count
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packet.WriteByte(TypeTag.CLASS);
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packet.WriteFieldID(target.GetTypeID(jniClassName)); //TODO should be a ID
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packet.WriteInt(ClassStatus.INITIALIZED);
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conn.SendPacket(packet);
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2009-02-05 23:27:10 +03:00
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break;
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2009-02-08 12:30:55 +03:00
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case VirtualMachine.AllThreads:
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int[] ids = target.GetThreadIDs();
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packet.WriteInt(ids.Length);
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for (int i = 0; i < ids.Length; i++)
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{
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packet.WriteObjectID(ids[i]);
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}
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break;
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2009-02-04 22:08:20 +03:00
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case VirtualMachine.IDSizes:
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2009-02-08 12:30:55 +03:00
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// TODO 64 Bit
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2009-02-04 22:08:20 +03:00
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int size = System.IntPtr.Size;
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packet.WriteInt(size); // fieldID size in bytes
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packet.WriteInt(size); // methodID size in bytes
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packet.WriteInt(size); // objectID size in bytes
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packet.WriteInt(size); // referenceTypeID size in bytes
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packet.WriteInt(size); // frameID size in bytes
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conn.SendPacket(packet);
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break;
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2009-02-12 23:49:23 +03:00
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case VirtualMachine.Exit:
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target.Exit();
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break;
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2009-02-04 22:08:20 +03:00
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default:
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2009-02-05 00:27:01 +03:00
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NotImplementedPacket(packet);
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break;
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}
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}
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2009-02-12 23:49:23 +03:00
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/// <summary>
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/// http://java.sun.com/javase/6/docs/platform/jpda/jdwp/jdwp-protocol.html#JDWP_ReferenceType
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/// </summary>
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/// <param name="packet"></param>
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private void CommandSetReferenceType(Packet packet)
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{
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switch (packet.Command)
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{
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case ReferenceType.MethodsWithGeneric:
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int refType = packet.ReadInt();
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Console.Error.WriteLine(refType);
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NotImplementedPacket(packet);
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break;
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default:
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NotImplementedPacket(packet);
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break;
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}
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}
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/// <summary>
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/// http://java.sun.com/javase/6/docs/platform/jpda/jdwp/jdwp-protocol.html#JDWP_EventRequest
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/// </summary>
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/// <param name="packet"></param>
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2009-02-05 00:27:01 +03:00
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private void CommandSetEventRequest(Packet packet)
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{
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switch (packet.Command)
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{
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2009-02-12 23:49:23 +03:00
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case EventRequest.CmdSet:
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EventRequest eventRequest = EventRequest.create(packet);
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Console.Error.WriteLine(eventRequest);
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if (eventRequest == null)
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2009-02-05 23:27:10 +03:00
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{
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NotImplementedPacket(packet);
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}
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2009-02-12 23:49:23 +03:00
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else
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{
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packet.WriteInt(packet.Id); // should be EventID and not PacketID
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conn.SendPacket(packet);
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}
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2009-02-05 23:27:10 +03:00
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break;
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2009-02-05 00:27:01 +03:00
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default:
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NotImplementedPacket(packet);
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2009-02-04 22:08:20 +03:00
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break;
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}
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}
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2009-02-05 00:27:01 +03:00
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private void NotImplementedPacket(Packet packet)
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2009-02-04 22:08:20 +03:00
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{
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2009-02-05 00:27:01 +03:00
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Console.Error.WriteLine("Not Implemented Packet:" + packet.CommandSet + "-" + packet.Command);
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2009-02-04 22:08:20 +03:00
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packet.Error = Error.NOT_IMPLEMENTED;
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conn.SendPacket(packet);
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}
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}
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}
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