private void Receive(string message)
{
//TextWriter tw = new StreamWriter("receive_" + this.ID.ToString() + ".txt", true);
//tw.WriteLine(message);
//tw.Close();
if (ValidateXmlToSchema(message))
{
FieldGuid toPeerID = NodeBase.ToPeerFromXML(message);
FieldGuid fromPeerID = NodeBase.FromPeerFromXML(message);
if (toPeerID != null && fromPeerID != null)
{
//it's a peer-to-peer message
//find the ToPeer in the local peer list
NodePeer ToPeer = CommunicationManager.LocalPeerList.FindPeerByID(toPeerID);
//find the FromPeer in the remote peer list
NodePeer FromPeer = RemotePeerList.FindPeerByID(fromPeerID);
if (ToPeer != null && FromPeer != null)
{
//see if this message is based on another node
FieldGuid BasedOnNodeID = NodeBase.BasedOnNodeIDFromXML(message);
NodeBase basedOnNode = null;
if (BasedOnNodeID != null)
{
basedOnNode = ToPeer.ReceiveDeltaFromPeer(FromPeer, BasedOnNodeID);
NodeBase msg = NodeBase.NodeFromXML(message, basedOnNode.GetChildrenRecursive());
CommunicationManager.SendDeltaToPeer(ToPeer, FromPeer, msg, basedOnNode);
}
else
{
NodeBase msg = NodeBase.NodeFromXML(message, null);
CommunicationManager.SendToPeer(ToPeer, FromPeer, msg);
}
}
else
{
//TODO - log this - undeliverable message (peer lists not up to date?)
}
}
else
{
//it's a system message (not peer-to-peer)
FieldNodeType nodeType = NodeBase.NodeTypeFromXML(message);
if (nodeType.ToString() == typeof(NodePeerList).FullName)
{
lock (m_remotePeerList_Lock) //lock so we read/write in one operation
{
//When we receive a remote peer list, it is generally just a diff
//from the last peer list.
RemotePeerList = (NodePeerList)NodeBase.NodeFromXML(
message, RemotePeerList.GetChildrenRecursive());
}
}
else
{
//TODO - log this? Unknown root message type?
}
}
}
else
{
//TODO - log this? Unknown garbage message?
}
}
