/// <summary>
/// The connection to server failed.
/// </summary>
/// <param name="server">server</param>
/// <param name="reason">reason</param>
/// <returns></returns>
public bool ConnectionFailed(CServer server, byte reason)
{
lock (this)
{
if (server == ActiveServer)
{
ActiveServer = null;
m_FailedConnetions = 0;
m_ConnectionIndex = 0;
CLog.Log(Constants.Log.Info, "SRV_CNN_LOST");
if (!CKernel.Preferences.GetBool("AutoReconnect"))
{
return(false);
}
else
{
m_ConnectToNextServers();
return(false);
}
}
else
if (ActiveServer != null)
{
return(false);
}
if (m_ConnectionIndex > 0)
{
m_FailedConnetions++;
//if (m_FailedConnetions==Protocol.MAX_CONEXIONESPARALELAS)
m_ConnectToNextServers();
}
}
return(true);
}
/// <summary>
/// Remove all servers from the list.
/// </summary>
public new void Clear()
{
if (m_ActiveServer != null)
{
m_ActiveServer.Disconnect();
m_ActiveServer = null;
}
InnerList.Clear();
}
internal void ConnectToServer(string strIP, ushort port)
{
if ((port == 0) || (port >= IPEndPoint.MaxPort - 4))
{
return;
}
CServer server = new CServer(strIP, port);
server.Connect();
}
internal static void NewServer(CServer server)
{
for (int i = 0; i <= InterfaceGateway.Length - 1; i++)
{
if (CKernel.InterfaceGateway[i] != null)
{
InterfaceGateway[i].SubmitOnNewServer(server);
}
}
}
/// <summary>
/// Request CallBack via UDP from specified server.
/// </summary>
/// <param name="ServerIP">IP of the server.</param>
/// <param name="ServerPort">Port of the server.</param>
/// <param name="IDClient">ID of the client.</param>
public void RequestCallBackUDP(uint ServerIP, ushort ServerPort, uint IDClient)
{
CServer server = this[ServerIP, ServerPort];
if (server == null)
{
server = Add(ServerIP, ServerPort);
}
if (server != null)
{
server.RequestCallBackUDP(IDClient);
}
}
/// <summary>
/// Creates a new ServerList.
/// </summary>
public CServersList()
{
m_ConnectionIndex = 0;
m_ActiveServer = null;
m_LastUDPSourceSearch = DateTime.MinValue;
m_LastPingUDP = DateTime.MinValue;
m_NextTCPSourcesSearch = DateTime.MaxValue;
m_UDPSourceSearchFileIndex = 0;
m_TCPSourceSearchFileIndex = 0;
m_SourceSearchServerIndex = 0;
m_ServerPingUDPIndex = 0;
m_TimesshownUDPClosedMessage = 0;
m_lowIDRetryHelper = new CLowIDRetryHelper();
}
public bool Remove(uint ip, ushort port)
{
CServer server = this[ip, port];
if (server != null)
{
InnerList.Remove(server);
CKernel.DeleteServer(ip, port);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Ping next server via UDP.
/// </summary>
public void NextPingUDP()
{
if (this.Count <= 0)
{
return;
}
if ((DateTime.Now - m_LastPingUDP) > new TimeSpan(0, Protocol.ReaskPingUDP, 0))
{
m_LastPingUDP = DateTime.Now;
if (this.Count <= m_ServerPingUDPIndex)
{
m_ServerPingUDPIndex = 0;
}
CServer server = (CServer)this[m_ServerPingUDPIndex];
m_ServerPingUDPIndex++;
server.RequestUDPPing();
}
}
/// <summary>
/// Add a server to the list.
/// </summary>
/// <param name="ip">IP of the server.</param>
/// <param name="port">Port of the server.</param>
/// <returns>The new server.</returns>
public CServer Add(uint ip, ushort port)
{
if ((ip < Protocol.LowIDLimit) || (port == 0) || (port >= IPEndPoint.MaxPort - 4))
{
return(null);
}
if (this[ip, 0] == null)
{
CServer server = new CServer(ip, port);
this.Add(server);
CKernel.NewServer(server);
return(server);
}
else
{
return(null);
}
}
/// <summary>
/// Search sources on the next server via UDP.
/// </summary>
public void SearchNextSourcesUDP()
{
if ((this.Count <= 0) || (CKernel.FilesList.Count <= 0))
{
return;
}
if ((DateTime.Now.Ticks - m_LastUDPSourceSearch.Ticks) > Protocol.ReaskServerUDP)
{
m_LastUDPSourceSearch = DateTime.Now;
if (this.Count <= m_SourceSearchServerIndex)
{
m_SourceSearchServerIndex = 0;
}
CServer server = (CServer)this[m_SourceSearchServerIndex];
ArrayList hashes = new ArrayList();
CElement Element;
uint allComplete = 0;
do
{
m_UDPSourceSearchFileIndex++;
if (CKernel.FilesList.Count <= m_UDPSourceSearchFileIndex)
{
m_UDPSourceSearchFileIndex = 0;
}
Element = CKernel.FilesList[m_UDPSourceSearchFileIndex];
if ((Element.SourcesList != null) && (Element.File.FileStatus != Protocol.FileState.Stopped) && (Element.File.MaxSources > Element.SourcesList.Count() - 5))
{
hashes.Add(Element.File.FileHash);
if (hashes.Count >= Protocol.MaxRequestsPerServer)
{
break;
}
}
allComplete++;
}while (allComplete < CKernel.FilesList.Count);
// if (allComplete<CKernel.FilesList.Count)
// {
//server.RequestSourcesUDP(Element.File.FileHash);
server.RequestSourcesUDP(hashes);
m_SourceSearchServerIndex++;
// }
}
}
/// <summary>
/// Connect to the next server.
/// </summary>
private void m_ConnectToNextServers()
{
if (this.Count == 0)
{
return;
}
if (m_ActiveServer != null)
{
//we have a good connection
m_DeleteFailedServers();
return;
}
if (m_FailedConnetions <= 0)
{
m_FailedConnetions = Protocol.MaxParalelConnections;
}
if (m_ConnectionIndex >= this.Count)
{
//can not connect with any server, probably my connection is down, sleep some mintes and try again
//and discount an error for all servers
lock (InnerList.SyncRoot)
{
foreach (CServer server in InnerList)
{
server.ResetFails();
}
}
Thread.Sleep(Protocol.RetryServerListConnection * 1000);
m_ConnectionIndex = 0;
if (ActiveServer != null)
{
return;
}
}
while ((m_FailedConnetions > 0) && (m_ConnectionIndex < this.Count))
{
CServer server = (CServer)this[m_ConnectionIndex];
m_ConnectionIndex++;
m_FailedConnetions--;
server.Connect();
}
}
/// <summary>
/// Connect to an specified server.
/// </summary>
/// <param name="ip">IP of the server.</param>
/// <param name="port">Port of the server</param>
/// <returns>Returns true if connection could be established.</returns>
public bool ConnectToServer(uint ip, ushort port)
{
CServer server = this[ip, port];
if (server != null)
{
if (m_ActiveServer != null)
{
m_ActiveServer.Disconnect();
m_ActiveServer = null;
}
server.DisconectedByUser = true; //set this flag to true to avoid reconnect to other servers if it fails
server.Connect();
return(true);
}
else
{
return(false);
}
}
int IComparer.Compare(Object x, Object y)
{
if ((x == null) || (y == null))
{
return(0);
}
CServer serverA = (CServer)x;
CServer serverB = (CServer)y;
byte prioA = (byte)((byte)serverA.Priority + 1);
byte prioB = (byte)((byte)serverB.Priority + 1);
if (prioA == 2)
{
prioA = 0;
}
if (prioB == 2)
{
prioB = 0;
}
if (prioA < prioB)
{
return(-1);
}
else if (prioA > prioB)
{
return(1);
}
if (serverA.Files > serverB.Files)
{
return(-1);
}
else
{
return(1);
}
}
public bool Contains(CServer value)
{
return(InnerList.Contains(value));
}
/// <summary>
/// Connect to an specified server.
/// </summary>
/// <param name="ip">IP of the server.</param>
/// <param name="port">Port of the server</param>
/// <returns>Returns true if connection could be established.</returns>
public bool ConnectToServer(uint ip, ushort port)
{
CServer server=this[ip,port];
if (server!=null)
{
if (m_ActiveServer!=null)
{
m_ActiveServer.Disconnect();
m_ActiveServer=null;
}
server.DisconectedByUser=true; //set this flag to true to avoid reconnect to other servers if it fails
server.Connect();
return true;
}
else
return false;
}
/// <summary>
/// Connection to server failed.
/// </summary>
/// <param name="reason">Reason</param>
protected override void OnConnectionFail(byte reason)
{
if (m_Server!=null)
{
m_Server.Connected=false;
if (!m_Server.DisconectedByUser)
{
switch( (Protocol.ConnectionReason)reason)
{
case Protocol.ConnectionReason.CannotConnect:
m_Server.IncFails((byte)Protocol.ConnectionReason.CannotConnect);
break;
case Protocol.ConnectionReason.ClosedConnection:
m_Server.IncFails((byte)Protocol.ConnectionReason.ClosedConnection);
break;
case Protocol.ConnectionReason.NullPacket:
m_Server.IncFails((byte)Protocol.ConnectionReason.NullPacket);
break;
case Protocol.ConnectionReason.NullID:
m_Server.IncFails((byte)Protocol.ConnectionReason.NullID);
break;
case Protocol.ConnectionReason.InvalidHeader:
m_Server.IncFails((byte)Protocol.ConnectionReason.InvalidHeader);
break;
}
}
else
{
string strreason="";
switch( (Protocol.ConnectionReason)reason)
{
case Protocol.ConnectionReason.CannotConnect:
strreason=CKernel.Globalization["SRV_DOWN"];
break;
case Protocol.ConnectionReason.ClosedConnection:
strreason=CKernel.Globalization["SRV_DISCONNECTED"];
break;
case Protocol.ConnectionReason.NullPacket:
strreason=CKernel.Globalization["SRV_FULL"];
break;
case Protocol.ConnectionReason.NullID:
strreason=CKernel.Globalization["SRV_FULL"];
break;
case Protocol.ConnectionReason.InvalidHeader:
strreason=CKernel.Globalization["SRV_FULL"];
break;
}
CLog.Log(Constants.Log.Info,"SRV_NOTCONNECT", m_Server.Name, strreason);
}
if (m_Server!=null) m_Server.DisconectedByUser=false; //check !=null again, the server may be deleted
}
CloseConnection();
m_Server=null;
}
public void Remove(CServer value)
{
InnerList.Remove(value);
}
public void Remove(CServer value)
{
InnerList.Remove(value);
}
/// <summary>
/// Remove all servers from the list.
/// </summary>
public new void Clear()
{
if (m_ActiveServer!=null)
{
m_ActiveServer.Disconnect();
m_ActiveServer=null;
}
InnerList.Clear();
}
public int Add(CServer value)
{
return InnerList.Add(value);
}
public int IndexOf(CServer value)
{
return InnerList.IndexOf(value);
}
public int Add(CServer value)
{
return(InnerList.Add(value));
}
/// <summary>
/// Connection to server failed.
/// </summary>
/// <param name="reason">Reason</param>
protected override void OnConnectionFail(byte reason)
{
if (m_Server != null)
{
m_Server.Connected = false;
if (!m_Server.DisconectedByUser)
{
switch ((Protocol.ConnectionReason)reason)
{
case Protocol.ConnectionReason.CannotConnect:
m_Server.IncFails((byte)Protocol.ConnectionReason.CannotConnect);
break;
case Protocol.ConnectionReason.ClosedConnection:
m_Server.IncFails((byte)Protocol.ConnectionReason.ClosedConnection);
break;
case Protocol.ConnectionReason.NullPacket:
m_Server.IncFails((byte)Protocol.ConnectionReason.NullPacket);
break;
case Protocol.ConnectionReason.NullID:
m_Server.IncFails((byte)Protocol.ConnectionReason.NullID);
break;
case Protocol.ConnectionReason.InvalidHeader:
m_Server.IncFails((byte)Protocol.ConnectionReason.InvalidHeader);
break;
}
}
else
{
string strreason = "";
switch ((Protocol.ConnectionReason)reason)
{
case Protocol.ConnectionReason.CannotConnect:
strreason = CKernel.Globalization["SRV_DOWN"];
break;
case Protocol.ConnectionReason.ClosedConnection:
strreason = CKernel.Globalization["SRV_DISCONNECTED"];
break;
case Protocol.ConnectionReason.NullPacket:
strreason = CKernel.Globalization["SRV_FULL"];
break;
case Protocol.ConnectionReason.NullID:
strreason = CKernel.Globalization["SRV_FULL"];
break;
case Protocol.ConnectionReason.InvalidHeader:
strreason = CKernel.Globalization["SRV_FULL"];
break;
}
CLog.Log(Constants.Log.Info, "SRV_NOTCONNECT", m_Server.Name, strreason);
}
if (m_Server != null)
{
m_Server.DisconectedByUser = false; //check !=null again, the server may be deleted
}
}
CloseConnection();
m_Server = null;
}
/// <summary>
/// Creates a new ServerList.
/// </summary>
public CServersList()
{
m_ConnectionIndex=0;
m_ActiveServer=null;
m_LastUDPSourceSearch=DateTime.MinValue;
m_LastPingUDP=DateTime.MinValue;
m_NextTCPSourcesSearch=DateTime.MaxValue;
m_UDPSourceSearchFileIndex=0;
m_TCPSourceSearchFileIndex=0;
m_SourceSearchServerIndex=0;
m_ServerPingUDPIndex=0;
m_TimesshownUDPClosedMessage=0;
m_lowIDRetryHelper=new CLowIDRetryHelper();
}
internal static void NewServer(CServer server)
{
for (int i=0;i<=InterfaceGateway.Length-1;i++)
{
if (CKernel.InterfaceGateway[i]!=null)
{
InterfaceGateway[i].SubmitOnNewServer(server);
}
}
}
internal virtual void SubmitOnNewServer(CServer server)
{
if (OnNewServer!=null) OnNewServer(ServerToInterfaceServer(server));
}
internal InterfaceServer ServerToInterfaceServer(CServer server)
{
InterfaceServer response=new InterfaceServer();
response.Name=server.Name;
response.IP=new IPAddress(server.IP).ToString();
response.Files=server.Files;
response.Port=server.Port;
response.LastConnection=new DateTime(server.LastConnection);
response.Users=server.Users;
response.FailedConnections=(byte)server.Fails;
response.Priority=server.Priority;
return response;
}
/// <summary>
/// The connection to server failed.
/// </summary>
/// <param name="server">server</param>
/// <param name="reason">reason</param>
/// <returns></returns>
public bool ConnectionFailed(CServer server, byte reason)
{
lock(this)
{
if (server==ActiveServer)
{
ActiveServer=null;
m_FailedConnetions=0;
m_ConnectionIndex=0;
CLog.Log(Constants.Log.Info, "SRV_CNN_LOST");
if (!CKernel.Preferences.GetBool("AutoReconnect"))
return false;
else
{
m_ConnectToNextServers();
return false;
}
}
else
if (ActiveServer!=null) return false;
if (m_ConnectionIndex>0)
{
m_FailedConnetions++;
//if (m_FailedConnetions==Protocol.MAX_CONEXIONESPARALELAS)
m_ConnectToNextServers();
}
}
return true;
}
public bool Contains(CServer value)
{
return InnerList.Contains(value);
}
/// <summary>
/// Create a new server connection.
/// </summary>
/// <param name="in_server">Specify the server where to connect.</param>
public CedonkeyServerConexion(CServer in_server)
: base(in_server.IP, in_server.Port, null)
{
m_Server=in_server;
// m_TimerTimeout.Change(Timeout.Infinite, Timeout.Infinite);
}
public int IndexOf(CServer value)
{
return(InnerList.IndexOf(value));
}
/// <summary>
/// Add a server to the list.
/// </summary>
/// <param name="ip">IP of the server.</param>
/// <param name="port">Port of the server.</param>
/// <returns>The new server.</returns>
public CServer Add(uint ip, ushort port)
{
if ((ip<Protocol.LowIDLimit)||(port==0)||(port>=IPEndPoint.MaxPort-4)) return null;
if (this[ip,0]==null)
{
CServer server=new CServer(ip,port);
this.Add(server);
CKernel.NewServer(server);
return server;
}
else
return null;
}
public void Insert(int index, CServer value)
{
InnerList.Insert(index, value);
}
//private byte opcode;
public CSendHello(bool response,MemoryStream buffer,CServer server, bool sendCompatOptions, bool allowPartner)
{
DonkeyHeader header;
BinaryWriter writer=new BinaryWriter(buffer);
if (response)
header=new DonkeyHeader((byte)Protocol.ClientCommand.HelloAnswer,writer);
else
{
header=new DonkeyHeader((byte)Protocol.ClientCommand.Hello,writer);
writer.Write((byte)CKernel.Preferences.GetByteArray("UserHash").Length);
}
writer.Write(CKernel.Preferences.GetByteArray("UserHash"));
writer.Write(CKernel.Preferences.GetUInt("ID"));
writer.Write(CKernel.Preferences.GetUShort("TCPPort"));
uint nParametros=5;
if (sendCompatOptions) nParametros++;
writer.Write(nParametros);
// username
new ParameterWriter((byte)Protocol.ClientParameter.Name,CKernel.Preferences.GetString("UserName"),writer);
// version
new ParameterWriter((byte)Protocol.ClientParameter.Version,Protocol.EDONKEYVERSION,writer);
//ParameterNumericNumeric port=new ParameterWriter((byte)Protocol.ClientParameter.Port,(uint)CKernel.Preferences.GetUShort("TCPPort"),writer);
// emule version
new ParameterWriter((byte)Protocol.ClientParameter.EmuleVersion,Protocol.EMULE_VERSION_COMPLEX,writer);
// upd port
new ParameterWriter((byte)Protocol.ClientParameter.EmuleUDPPort,(uint)CKernel.Preferences.GetUShort("UDPPort"),writer);
// emule flags
new ParameterWriter((byte)Protocol.ClientParameter.Emule_MiscOptions1,
// ( << 4*7) |
(Protocol.EMULE_VERSION_UDP << 4*6) |
(Protocol.EMULE_VERSION_COMPRESION << 4*5) |
(0 /*secureID */ << 4*4) |
(Protocol.EMULE_VERSION_SOURCEEXCHANGE << 4*3) |
(Protocol.EMULE_VERSION_EXTENDEDREQUEST << 4*2) |
(Protocol.EMULE_VERSION_COMMENTS << 4*1) |
// ( << 1*3) |
((((Types.Constants.AllowViewShared)CKernel.Preferences.GetEnum("AllowViewShared",Types.Constants.AllowViewShared.Nobody)==Types.Constants.AllowViewShared.Nobody) ? (uint)1 : (uint)0 )<< 1*2) |
(0 /*uMultiPacket*/ << 1*1) |
(0 /*uSupportPreview*/ << 1*0)
,writer);
uint compatValue=1;
if (sendCompatOptions)
{
if (allowPartner) compatValue=3;
//CLog.Log(Types.Constants.Log.Verbose,"Sent partner flag "+compatValue.ToString());
new ParameterWriter((byte)Protocol.ClientParameter.EmuleCompatOptions,compatValue,writer);
}
if (server==null)
{
writer.Write((uint)0);
writer.Write((ushort)0);
}
else
{
writer.Write(server.IP);
writer.Write(server.MainPort);
}
header.Packetlength=(uint)writer.BaseStream.Length-header.Packetlength+1;
writer.Seek(0,SeekOrigin.Begin);
header.Serialize(writer);
}
public void Insert(int index, CServer value)
{
InnerList.Insert(index, value);
}
internal void ConnectToServer(string strIP, ushort port)
{
if ((port==0)||(port>=IPEndPoint.MaxPort-4)) return;
CServer server=new CServer(strIP,port);
server.Connect();
}
/// <summary>
/// Create a new server connection.
/// </summary>
/// <param name="in_server">Specify the server where to connect.</param>
public CedonkeyServerConexion(CServer in_server) : base(in_server.IP, in_server.Port, null)
{
m_Server = in_server;
// m_TimerTimeout.Change(Timeout.Infinite, Timeout.Infinite);
}
