protected virtual void OnMessageReceived(ByteEventArgs e)
{
if (MessageReceived != null)
{
MessageReceived(this, e);
}
}
protected void OnMessageReceived(object sender, ByteEventArgs e)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose, "Parsing incoming NS command...", GetType().Name);
try
{
NSMessage nsMessage = new NSMessage();
nsMessage.ParseBytes(e.Bytes);
OnNSMessageReceived(this, new NSMessageEventArgs(nsMessage));
}
catch (Exception exc)
{
OnHandlerException(this, new ExceptionEventArgs(new MSNPSharpException(
"An exception occured while handling a nameserver message. See inner exception for more details.", exc)));
}
}
/// <summary>
/// Discards the foo message and sends the message to all handlers as a P2PDCMessage object.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void OnMessageReceived(object sender, ByteEventArgs e)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
"Analyzing message in DC state <" + dcState + ">", GetType().Name);
byte[] data = e.Bytes;
switch (dcState)
{
case DirectConnectionState.Established:
{
// Convert to a p2pdc message
P2PDCMessage dcMessage = new P2PDCMessage(version);
dcMessage.ParseBytes(data);
OnP2PMessageReceived(new P2PMessageEventArgs(dcMessage));
}
break;
case DirectConnectionState.HandshakeReply:
{
P2PDCHandshakeMessage match = VerifyHandshake(data);
if (match == null)
{
Dispose();
return;
}
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
"Nonce accepted: " + match.Guid + "; My Nonce: " + this.nonce + "; Need Hash: " + needHash, GetType().Name);
DCState = DirectConnectionState.Established;
}
break;
case DirectConnectionState.Handshake:
{
P2PDCHandshakeMessage match = VerifyHandshake(data);
if (match == null)
{
Dispose();
return;
}
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
"Nonce MATCH: " + match.Guid, GetType().Name);
match.Guid = reply;
if (version == P2PVersion.P2PV1)
{
startupSession.IncreaseLocalIdentifier();
match.Header.Identifier = startupSession.LocalIdentifier;
}
// Send Nonce Reply
SendMessage(match);
DCState = DirectConnectionState.Established;
}
break;
case DirectConnectionState.Foo:
{
string initialData = Encoding.ASCII.GetString(data);
if (data.Length == 4 && initialData == "foo\0")
{
DCState = DirectConnectionState.Handshake;
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose, "foo0 handled", GetType().Name);
}
else
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceWarning, "foo0 expected, but it was: " + initialData, GetType().Name);
Dispose();
return;
}
}
break;
case DirectConnectionState.Closed:
break;
}
}
protected virtual void OnMessageReceived(ByteEventArgs e)
{
if (MessageReceived != null)
MessageReceived(this, e);
}
