NetworkLevel2Connection connectiontoserver; // used by client
#endregion Fields
#region Constructors
//bool connectionopen = false; // used by client
//static NetworkModel instance = new NetworkModel();
//public static NetworkModel GetInstance(){ return instance; }
public NetworkLevel2Controller()
{
this.networkimplementation = NetworkImplementationFactory.CreateNewInstance();
networkimplementation.ReceivedPacket += new Level1ReceivedPacketHandler( ReceivedPacketHandler );
//networkimplementation.NewConnection += new Level1NewConnectionHandler(networkimplementation_NewConnection);
networkimplementation.Disconnection += new Level1DisconnectionHandler( networkimplementation_Disconnection );
}
void network_ReceivedPacket(INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length)
{
try
{
//LogFile.WriteLine("STUN network receivedpacket");
if (length > 2 && data[0] == 1 && data[0] == 1) // bindingresponse
{
LogFile.WriteLine(this.GetType() + "could be binding reponse");
Message responsemessage = Message.Decode(data, 0, data.Length);
MappedAddressAttribute mappedaddress = (MappedAddressAttribute)responsemessage.GetAttribute(net.voxx.stun4cs.Attribute.MAPPED_ADDRESS);
IPAddress ipaddress = new IPAddress(mappedaddress.GetAddressBytes());
int port = mappedaddress.GetAddress().GetPort();
Console.WriteLine(ipaddress + " " + port);
network.ReceivedPacket -= packethandler;
callback(ipaddress, port);
}
else if (length > 2 && data[0] == 1 && data[0] == 0x11) // bindingerror response
{
LogFile.WriteLine(this.GetType() + " could be binding error");
}
}
catch (Exception e)
{
//LogFile.WriteLine( "STUN networkreceivedpacket " + e);
}
}
NetworkLevel2Connection connectiontoserver; // used by client
//bool connectionopen = false; // used by client
//static NetworkModel instance = new NetworkModel();
//public static NetworkModel GetInstance(){ return instance; }
public NetworkLevel2Controller()
{
this.networkimplementation = NetworkImplementationFactory.CreateNewInstance();
networkimplementation.ReceivedPacket += new Level1ReceivedPacketHandler(ReceivedPacketHandler);
//networkimplementation.NewConnection += new Level1NewConnectionHandler(networkimplementation_NewConnection);
networkimplementation.Disconnection += new Level1DisconnectionHandler(networkimplementation_Disconnection);
}
public void Go(int port)
{
net = NetworkImplementationFactory.CreateNewInstance();
net.ListenAsServer(port);
net.ReceivedPacket += new Level1ReceivedPacketHandler(net_ReceivedPacket);
while (true)
{
net.Tick();
Thread.Sleep(50);
}
}
public void networkimplementation_Disconnection(INetworkImplementation source, OSMP.ConnectionInfo connectioninfo)
{
if (IsServer && connections.ContainsKey(connectioninfo.Connection))
{
if (Disconnection != null)
{
Disconnection(connections[connectioninfo.Connection], connectioninfo);
}
connections[connectioninfo.Connection]._Disconnect();
connections.Remove(connectioninfo.Connection);
}
}
public void Go(string ipaddress, int port)
{
INetworkImplementation net = NetworkImplementationFactory.CreateNewInstance();
net.ConnectAsClient(ipaddress, port);
net.ReceivedPacket += new Level1ReceivedPacketHandler(net_ReceivedPacket);
net.Send(Encoding.UTF8.GetBytes("Hi, this is a test"));
while (true)
{
net.Tick();
Thread.Sleep(50);
}
}
//~STUN()
//{
// network.ReceivedPacket -= packethandler; // not sure if necessary?
//}
public STUN( INetworkImplementation network, GotExternalAddress callback )
{
LogFile.WriteLine( "STUN " + network.LocalIPAddress + " " + network.LocalPort + " " + callback.Target + " " + callback.Method );
this.network = network;
this.callback = callback;
packethandler = new Level1ReceivedPacketHandler( network_ReceivedPacket );
network.ReceivedPacket += packethandler;
byte[] bytes = CreateSTUNBindingRequestPacket();
network.Send( GetStunServerEndpoint(), bytes );
}
//~STUN()
//{
// network.ReceivedPacket -= packethandler; // not sure if necessary?
//}
public STUN(INetworkImplementation network, GotExternalAddress callback)
{
LogFile.WriteLine("STUN " + network.LocalIPAddress + " " + network.LocalPort + " " + callback.Target + " " + callback.Method);
this.network = network;
this.callback = callback;
packethandler = new Level1ReceivedPacketHandler(network_ReceivedPacket);
network.ReceivedPacket += packethandler;
byte[] bytes = CreateSTUNBindingRequestPacket();
network.Send(GetStunServerEndpoint(), bytes);
}
Hashtable unsafepackethandlers = new Hashtable(); // packets which dont have correct sharedsecret, or sharedsecret not yet validated
#endregion Fields
#region Constructors
public NetworkLevel2Connection( NetworkLevel2Controller parent, ConnectionInfo connectioninfo, bool isserver )
{
LogFile.WriteLine("NetworkLevel2Connection()");
networkimplementation = parent.networkimplementation;
this.connectioninfo = connectioninfo;
this.parent = parent;
//this.connection = connectioninfo.Connection;
this.isserver = isserver;
lasttimestamp = DateTime.Now;
packetreferencecontroller = new NetPacketReferenceController( this, isserver );
sharedsecretexchange = new NetSharedSecretExchange( this, isserver );
//sharedsecretexchange.Tick();
}
public NetworkLevel2Connection(NetworkLevel2Controller parent, ConnectionInfo connectioninfo, bool isserver)
{
LogFile.WriteLine("NetworkLevel2Connection()");
networkimplementation = parent.networkimplementation;
this.connectioninfo = connectioninfo;
this.parent = parent;
//this.connection = connectioninfo.Connection;
this.isserver = isserver;
lasttimestamp = DateTime.Now;
packetreferencecontroller = new NetPacketReferenceController(this, isserver);
sharedsecretexchange = new NetSharedSecretExchange(this, isserver);
//sharedsecretexchange.Tick();
}
public void ReceivedPacketHandler(INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length)
{
object connection = connectioninfo.Connection;
//LogFile.WriteLine("Connection: " + connection);
if (IsServer)
{
if (!connections.ContainsKey(connection))
{
NetworkLevel2Connection networklevel2connection = new NetworkLevel2Connection(this, connectioninfo, IsServer);
connections.Add(connection, networklevel2connection);
}
connections[connection].ReceivedPacketHandler(connectioninfo, data, offset, length);
}
else
{
connectiontoserver.ReceivedPacketHandler(connectioninfo, data, offset, length);
}
}
void network_ReceivedPacket( INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length )
{
try
{
//LogFile.WriteLine("STUN network receivedpacket");
if (length > 2 && data[0] == 1 && data[0] == 1) // bindingresponse
{
LogFile.WriteLine( this.GetType() + "could be binding reponse");
Message responsemessage = Message.Decode(data, 0, data.Length);
MappedAddressAttribute mappedaddress = (MappedAddressAttribute)responsemessage.GetAttribute( net.voxx.stun4cs.Attribute.MAPPED_ADDRESS );
IPAddress ipaddress = new IPAddress( mappedaddress.GetAddressBytes() );
int port = mappedaddress.GetAddress().GetPort();
Console.WriteLine( ipaddress + " " + port );
network.ReceivedPacket -= packethandler;
callback( ipaddress, port );
}
else if (length > 2 && data[0] == 1 && data[0] == 0x11) // bindingerror response
{
LogFile.WriteLine( this.GetType() + " could be binding error");
}
}
catch( Exception e )
{
//LogFile.WriteLine( "STUN networkreceivedpacket " + e);
}
}
void net_ReceivedPacket(INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length)
{
LogFile.WriteLine("Received packet: " + Encoding.UTF8.GetString(data));
}
void net_ReceivedPacket( INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length )
{
LogFile.WriteLine("Received packet: " + Encoding.UTF8.GetString(data));
net.Send(connectioninfo.Connection, Encoding.UTF8.GetBytes( "Hello from server!" ) );
}
void net_ReceivedPacket( INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length )
{
LogFile.WriteLine( "Received packet: " + Encoding.UTF8.GetString( data ) );
}
public void networkimplementation_Disconnection( INetworkImplementation source, OSMP.ConnectionInfo connectioninfo )
{
if( IsServer && connections.ContainsKey( connectioninfo.Connection ) )
{
if (Disconnection != null)
{
Disconnection(connections[connectioninfo.Connection], connectioninfo);
}
connections[connectioninfo.Connection]._Disconnect();
connections.Remove(connectioninfo.Connection);
}
}
public void ReceivedPacketHandler( INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length )
{
object connection = connectioninfo.Connection;
//LogFile.WriteLine("Connection: " + connection);
if (IsServer)
{
if (!connections.ContainsKey(connection))
{
NetworkLevel2Connection networklevel2connection = new NetworkLevel2Connection(this, connectioninfo, IsServer);
connections.Add(connection, networklevel2connection);
}
connections[connection].ReceivedPacketHandler(connectioninfo, data, offset, length);
}
else
{
connectiontoserver.ReceivedPacketHandler(connectioninfo, data, offset, length);
}
}
void net_ReceivedPacket(INetworkImplementation source, ConnectionInfo connectioninfo, byte[] data, int offset, int length)
{
LogFile.WriteLine("Received packet: " + Encoding.UTF8.GetString(data));
net.Send(connectioninfo.Connection, Encoding.UTF8.GetBytes("Hello from server!"));
}
public void Go(int port)
{
net = NetworkImplementationFactory.CreateNewInstance();
net.ListenAsServer(port);
net.ReceivedPacket += new Level1ReceivedPacketHandler(net_ReceivedPacket);
while (true)
{
net.Tick();
Thread.Sleep(50);
}
}
