private void m_ListenerProc()
{
Socket edonkeySocket;
while ((m_ServerThread.IsAlive) && (base.Active))
{
edonkeySocket = null;
try
{
edonkeySocket = base.AcceptSocket();
edonkeySocket.Blocking = false;
}
catch
{
}
if (edonkeySocket != null)
{
CConnection connection = null;
if ((CKernel.IPFilter == null) || (!CKernel.IPFilter.BlockIP(BitConverter.ToUInt32(((IPEndPoint)edonkeySocket.RemoteEndPoint).Address.GetAddressBytes(), 0))))
{
connection = new CConnection(edonkeySocket);
}
else
{
CLog.Log(Types.Constants.Log.Verbose, "IP_BLOCKED", ((IPEndPoint)edonkeySocket.RemoteEndPoint).Address.ToString(), CKernel.IPFilter.BlockedIPDescription);
edonkeySocket.Shutdown(SocketShutdown.Both);
edonkeySocket.Close();
}
}
}
}
public void Add(CConnection cn)
{
if (m_Closing)
{
cn.CloseSocket();
return;
}
m_ArrayList.Add(cn);
}
public void Remove(CConnection cn)
{
if (m_Closing)
{
cn.CloseSocket();
return;
}
m_ArrayList.Remove(cn);
}
public void Add(CConnection cn)
{
if (m_Closing)
{
cn.CloseSocket();
return;
}
m_ArrayList.Add(cn);
}
/// <summary>
/// Process incomming eDonkey packet.
/// </summary>
/// <param name="packet">Packet which need to be processed.</param>
protected virtual void ProcessDonkeyPacket(ref byte[] packet)
{
try
{
switch ((Protocol.ClientCommand)m_DonkeyHeader.Command)
{
case Protocol.ClientCommand.Hello:
if (m_Client == null)
{
CReceiveHello HelloPacket = new CReceiveHello(false, new MemoryStream(packet));
m_Client = CKernel.ClientsList.GetClient(HelloPacket.UserID, HelloPacket.UserPort, HelloPacket.ServerIP, HelloPacket.Hash);
if (m_Client == null)
{
m_Client = new CClient(this);
CKernel.ClientsList.AddClient(m_Client);
}
else
{
if ((m_Client.connection != null) && (m_Client.connection.Connected) && (m_Client.connection != this))
{
m_Client.connection.CloseConnection();
Debug.WriteLine("Client conexion!=null");
}
m_Client.connection = this;
}
}
CClient cant = m_Client;
CConnection conant = m_Client.connection;
bool NeedExtendRequest = !m_Client.ProcessHello(false, packet);
if ((NeedExtendRequest) && (m_Client.EmuleProtocol) && (CKernel.Preferences.GetBool("UseEmuleProtocol")))
{
m_Client.SendEmuleHello(false);
}
m_Client.ResponseHello();
break;
case Protocol.ClientCommand.FileRequest:
m_Client.ProcessFileRequest(packet);
break;
case Protocol.ClientCommand.HelloAnswer:
m_Client.ProcessHello(true, packet);
break;
case Protocol.ClientCommand.SetRequestFileID:
m_Client.ProcessRequestFileID(packet);
break;
case Protocol.ClientCommand.FileRequestAnswer:
m_Client.ProcessFileInfo(packet);
break;
case Protocol.ClientCommand.FileState:
m_Client.ProcessChunksStatus(packet, false /*tcp*/);
break;
case Protocol.ClientCommand.HashSetAnswer:
m_Client.ProcessHashSet(packet);
break;
case Protocol.ClientCommand.HashSetRequest:
m_Client.SendHashSet();
break;
case Protocol.ClientCommand.AcceptUploadRequest:
if (m_Client.DownloadState == Protocol.DownloadState.OnQueue)
{
m_Client.RequestBlocks();
}
else
{
if (m_Client.DownFileHash != null)
{
// CLog.Log(Constants.Log.Verbose,"Trying to resume download {2}: {0},hashdescarga=null? {1}",m_Client.DownloadState,(m_Client.DownFileHash==null),m_Client.UserName);
m_Client.RequestBlocks();
}
else
{
if (m_Client.UpFileHash != null)
{
#if DEBUG
CLog.Log(Constants.Log.Verbose, "Recovering source to download " + m_Client.UserName);
#endif
m_Client.DownFileHash = m_Client.UpFileHash;
m_Client.RequestBlocks();
}
else
{
CSourceOld sourceRecovered = CKernel.SourcesOld.GetSourceOld(m_Client.UserHash);
if (sourceRecovered != null)
{
m_Client.DownFileHash = sourceRecovered.FileHash;
m_Client.DownFileChunks = sourceRecovered.FileChunks;
m_Client.RequestBlocks();
#if DEBUG
CLog.Log(Constants.Log.Verbose, "RECOVERED SOURCE from sources cache " + m_Client.UserName);
#endif
}
#if DEBUG
else
{
CLog.Log(Constants.Log.Verbose, "download lost: {0}", m_Client.UserName);
}
#endif
}
}
}
break;
case Protocol.ClientCommand.OutOfPartRequest:
m_Client.ProcessOutOfParts();
break;
case Protocol.ClientCommand.StartUploadRequest:
m_Client.ProcessStartUploadRequest(packet);
break;
case Protocol.ClientCommand.RequestParts:
m_Client.ProcessRequestParts(packet);
break;
case Protocol.ClientCommand.EndOfDownload:
case Protocol.ClientCommand.CancelTransfer:
m_Client.CancelUploadTransfer(false);
break;
case Protocol.ClientCommand.SendingPart:
m_Client.ReceiveBlock(packet);
break;
case Protocol.ClientCommand.QueueRank:
m_Client.ProcessQR(packet);
break;
case Protocol.ClientCommand.FileRequestAnswerNoFile:
m_Client.FileNotFound(packet);
break;
case Protocol.ClientCommand.ChangeClientID:
m_Client.ProcessIDChange(packet);
break;
case Protocol.ClientCommand.ChangeSlot:
break;
case Protocol.ClientCommand.AskSharedFiles:
Constants.AllowViewShared allow = (Constants.AllowViewShared)CKernel.Preferences.GetEnum("AllowViewShared", Constants.AllowViewShared.Nobody);
if (allow == Constants.AllowViewShared.All)
{
m_Client.ProcessSharedListRequest();
}
break;
case Protocol.ClientCommand.AskSharedFilesAnswer:
m_Client.ProcessSharedListResponse(packet);
break;
case Protocol.ClientCommand.Message:
m_Client.ProcessChatMessage(packet);
break;
case Protocol.ClientCommand.CrumbSetResponse:
m_Client.ProcessCrumbSetResponse(packet);
break;
default:
CLog.Log(Constants.Log.Verbose, "CLI_UNK_DONK_TCP_PACKET", m_DonkeyHeader.Command);
break;
}
}
catch (Exception e)
{
Debug.WriteLine(e.ToString());
#if DEBUG
if (m_DonkeyHeader != null)
{
CLog.Log(Constants.Log.Verbose, "CLI_PAQ_DONK_ERROR", m_DonkeyHeader.Command);
}
#endif
}
packet = null;
return;
}
public void OnDisconnect(byte reason)
{
connection=null;
if (m_SharedFilesRequested) CLog.Log(Constants.Log.Notify,"CLI_DONT_SEND_SHARED",m_UserName);
m_SharedFilesRequested=false;
#if VERBOSE
CKernel.LogClient.AddLog("OnDisconnect-Client",m_ID);
#endif
#if DEBUG
string strReason=CKernel.Globalization["UNK_REASON"];
switch((Protocol.ConnectionReason)reason)
{
case Protocol.ConnectionReason.CannotConnect:
strReason=CKernel.Globalization["CANT_CONNECT"];
break;
case Protocol.ConnectionReason.ClosedConnection:
strReason=CKernel.Globalization["CONNECTION_CLOSED"];
break;
case Protocol.ConnectionReason.NullPacket:
strReason=CKernel.Globalization["NULL_PACKET"];
break;
case Protocol.ConnectionReason.NullID:
strReason=CKernel.Globalization["NULL_ID"];
break;
case Protocol.ConnectionReason.InvalidHeader:
strReason=CKernel.Globalization["INVALID_HEADER"];
break;
case Protocol.ConnectionReason.TimeOut:
strReason=CKernel.Globalization["TIMEOUT"];
break;
}
#endif
#if VERBOSE
CKernel.LogClient.AddLog("OnDisconnect-"+strReason,m_ID);
#endif
if (m_ChatMessages!=null)
{
m_ChatMessages.Clear();
m_ChatMessages=null;
}
if (m_UploadState==Protocol.UploadState.Uploading)
{
CancelUploadTransfer(true);
}
if ((m_UploadState==Protocol.UploadState.Connecting)
|| (m_UploadState==Protocol.UploadState.WaitCallBack))
{
CancelUploadTransfer(false);
}
if ((m_DownloadState==Protocol.DownloadState.Connecting)
||(m_DownloadState==Protocol.DownloadState.WaitCallBack))
{
if ((m_ConexionTries<Protocol.ConnectionRetries)
&&(reason==(byte)Protocol.ConnectionReason.CannotConnect))
{
#if DEBUG
m_UserName=strReason;
#endif
Connect();
}
else
{
//quitar la fuente
m_ConexionTries=0;
m_DownloadState=Protocol.DownloadState.None;
if (DownFileHash!=null)
{
if (m_OtherDownFiles!=null)
{
m_OtherDownFiles.Clear();
}
m_OtherDownFiles=null;
if (m_DownloadElement==null)
{
m_DownloadElement=(CElement)CKernel.FilesList[DownFileHash];
}
if ((m_DownloadElement!=null)&&(m_DownloadElement.SourcesList!=null)) m_DownloadElement.SourcesList.RemoveSource(this);
}
else
{
Debug.WriteLine(m_UserName+"Never should enter here-> null DownFileHash");
}
#if DEBUG
m_UserName=strReason;
#endif
}
}
if (m_DownloadState==Protocol.DownloadState.Connected)
{
m_DownloadState=Protocol.DownloadState.None;
if (m_DownloadElement==null)
{
m_DownloadElement=(CElement)CKernel.FilesList[DownFileHash];
}
m_DownloadElement.SourcesList.RemoveSource(this);
}
//free all pending blocks
if (m_DownloadState==Protocol.DownloadState.Downloading)
{
//CLog.Log(Constants.Log.Verbose,"Transfer interrrupted,reason: {0}",strReason);
m_CleanDownloadBlocks();
m_LastDownloadRequest=DateTime.Now;
m_DownloadSpeeds.Clear();
m_DownloadSpeed=0;
m_QRDownload=0;
m_DownloadState=Protocol.DownloadState.OnQueue;
}
//for eny reason some clients (edonkeys mainly) have pending blocks but their downloadstate!=Downloading
if (m_DownloadBlocks.Count>0)
{
m_CleanDownloadBlocks();
// Debug.WriteLine(m_DownloadState.ToString());
// Debug.WriteLine("Disconnected leaving pending blocks!!!");
}
CKernel.ClientsList.IsClientNeeded(this);
}
public void Connect()
{
#if VERBOSE
CKernel.LogClient.AddLog("Connect",m_ID);
#endif
m_ConexionTries++;
if (m_ID>Protocol.LowIDLimit)
{
if (connection==null)
{
connection=new CConnection(m_ID,m_Port,this);
}
else
{
connection.ReOpenConnection();
}
MemoryStream packet=new MemoryStream();
#if VERBOSE
CKernel.LogClient.AddLog("Connect-send hello",m_ID);
#endif
bool allowPartner=((this.m_DownloadState!=Protocol.DownloadState.NoNeededParts)&&
(CKernel.Queue.AllowNewParner()));
CSendHello sendHello=new CSendHello(false,packet,CKernel.ServersList.ActiveServer,true,allowPartner);
if (connection!=null)
{
connection.SendPacket(packet);
connection.Connect();
}
}
else
{
m_CallBackTime=DateTime.Now;
if (m_DownloadState==Protocol.DownloadState.Connecting)
{
m_DownloadState=Protocol.DownloadState.WaitCallBack;
}
if (m_UploadState==Protocol.UploadState.Connecting)
{
m_UploadState=Protocol.UploadState.WaitCallBack;
}
if (CKernel.ServersList.IsTheActiveServer(m_ServerIP,m_ServerPort))
{
CKernel.ServersList.ActiveServer.RequestCallBack(m_ID);
#if VERBOSE
CKernel.LogClient.AddLog("Connect-RequestCallBack",m_ID);
#endif
}
else
{
#if VERBOSE
CKernel.LogClient.AddLog("LowID other server-Connect-RequestCallBack",m_ID);
#endif
//don't request udp callbacks to save servers bandwidth
//this source will be deleted later
//CKernel.ServersList.RequestCallBackUDP(m_ServerIP,m_ServerPort,m_ID);
}
}
#if VERBOSE
CKernel.LogClient.AddLog("Connect-connected ",m_ID);
#endif
}
public CClient(CConnection in_connection)
{
connection=in_connection;
m_UploadBlocks=new ArrayList();
m_UploadDataPackets=new ArrayList();
m_DownloadBlocks=new ArrayList();
m_DownloadState=Protocol.DownloadState.None;
m_UploadState=Protocol.UploadState.None;
m_UploadElement=null;
m_LastSourcesRequest=DateTime.MinValue;
m_DownloadTries=0;
m_ClientFileName="";
m_Software=(byte)Protocol.Client.Unknown;
m_DownloadSpeeds=new ArrayList();
m_UploadSpeeds=new ArrayList();
m_SentComment=false;
m_LastChunkRequested=-1;
m_AskingUDP=true;
m_SharedFilesRequested=false;
m_CallBackTime=DateTime.MinValue;
m_FriendLevel=Types.Constants.FriendLevel.NoFriend;
m_FirstMessage=true;
m_IsSpammer=false;
m_IsPartner=false;
m_PartnerAllowed=false;
m_SupportsPartner=false;
m_BadPartnerTime=DateTime.MinValue;
m_PartnerStartedTime=DateTime.MinValue;
m_supportsHorde=false;
m_TimesPartnerSlow=0;
}
private void m_ListenerProc()
{
Socket edonkeySocket;
while ((m_ServerThread.IsAlive)&&(base.Active))
{
edonkeySocket=null;
try
{
edonkeySocket=base.AcceptSocket();
edonkeySocket.Blocking=false;
}
catch
{
}
if (edonkeySocket!=null)
{
CConnection connection=null;
if ((CKernel.IPFilter==null)||(!CKernel.IPFilter.BlockIP(BitConverter.ToUInt32(((IPEndPoint)edonkeySocket.RemoteEndPoint).Address.GetAddressBytes(),0))))
connection=new CConnection(edonkeySocket);
else
{
CLog.Log(Types.Constants.Log.Verbose,"IP_BLOCKED",((IPEndPoint)edonkeySocket.RemoteEndPoint).Address.ToString(),CKernel.IPFilter.BlockedIPDescription);
edonkeySocket.Shutdown(SocketShutdown.Both);
edonkeySocket.Close();
}
}
}
}
public void Remove(CConnection cn)
{
if (m_Closing)
{
cn.CloseSocket();
return;
}
m_ArrayList.Remove(cn);
}
