public override Tashjik.Tier0.TransportLayerCommunicator.Data notifyTwoWayMsg(IPAddress fromIP, byte[] buffer, int offset, int size)
{
Console.WriteLine("ChordProxyNode::notifyTwoWayMsg ENTER");
String[] split = splitMsgBuffer(buffer, offset, size);
if (String.Compare(split[0], "GET_PREDECESSOR") == 0)
{
byte[] compositeMsg;
IChordNode predecessor = thisNode.getPredecessor();
if (predecessor == null)
{
Console.WriteLine("ChordProxyNode::notifyTwoWayMsg predecessor is unknown");
compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, "GET_PREDECESSOR_REPLY", "UNKNOWN_PREDECESSOR");
}
else
{
Console.Write("ChordProxyNode::notifyTwoWayMsg predecessor =");
Console.WriteLine(predecessor.getIP().ToString());
compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, "GET_PREDECESSOR_REPLY", predecessor.getIP().ToString());
}
return(new Tashjik.Tier0.TransportLayerCommunicator.Data(compositeMsg, 0, compositeMsg.Length));
}
else if (String.Compare(split[0], "GET_FINGERTABLE") == 0)
{
byte[] compositeMsg;
IChordNode[] fingerTable = thisNode.getFingerTable();
String[] str = new String[fingerTable.Length + 1];
str[0] = "GET_FINGERTABLE_REPLY";
int i = 1;
foreach (IChordNode chordNode in fingerTable)
{
Console.WriteLine("ChordProxyNode::notifyTwoWayMsg addong fingertable entry");
if (chordNode == null)
{
str[i++] = "NULL";
}
else
{
str[i++] = chordNode.getIP().ToString();
}
}
Console.WriteLine("ChordProxyNode::notifyTwoWayMsg FingerTable = .... well some other day");
compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, str);
return(new Tashjik.Tier0.TransportLayerCommunicator.Data(compositeMsg, 0, compositeMsg.Length));
}
return(null);
}
void processFindSuccessorForFindSuccessor(IAsyncResult result)
{
Console.WriteLine("ChordServer::processFindSuccessorForFindSuccessor ENTER");
ChordCommon.IChordNode_Object iNode_Object = (ChordCommon.IChordNode_Object)(result.AsyncState);
IChordNode successor = iNode_Object.node;
IPAddress IP = successor.getIP();
Stack <Object> recAppState = (Stack <Object>)(iNode_Object.obj);
Object origAppState = recAppState.Pop();
AsyncCallback findSuccessorCallBack = (AsyncCallback)(recAppState.Pop());
if (findSuccessorCallBack != null)
{
ChordCommon.IP_Object _IP_Object = new ChordCommon.IP_Object();
_IP_Object.IP = IP;
_IP_Object.obj = origAppState;
IAsyncResult res = new ChordCommon.IP_ObjectAsyncResult(_IP_Object, true, true);
findSuccessorCallBack(res);
}
}
public void beginPredecessorNotify(IChordNode possiblePred, AsyncCallback notifyCallBack, Object appState)
{
Console.WriteLine("ChordProxyNode::beginNotify ENTER");
byte[] compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, "PREDECESSOR_NOTIFY", possiblePred.getIP().ToString());
Console.WriteLine("ChordProxyNode::beginGetPredecessor before sendMsg to proxyController");
proxyController.sendMsg(this, compositeMsg, 0, compositeMsg.Length, notifyCallBack, appState);
}
public void beginPredecessorNotify(IChordNode possiblePred, AsyncCallback notifyCallBack, Object appState)
{
Console.WriteLine("ChordProxyNode::beginNotify ENTER");
byte[] compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, "PREDECESSOR_NOTIFY", possiblePred.getIP().ToString());
Console.WriteLine("ChordProxyNode::beginGetPredecessor before sendMsg to proxyController");
proxyController.sendMsg(this, compositeMsg, 0, compositeMsg.Length, notifyCallBack, appState);
}
static void processFindSuccessor_notifyTwoWayRelayMsg_callback(IAsyncResult ayncResult)
{
ChordCommon.IChordNode_Object iNode_Object = (ChordCommon.IChordNode_Object)(ayncResult.AsyncState);
IChordNode successor = (iNode_Object.node);
ChordProxyNode chordProxyNode = ((IP_ChordProxyNode)(iNode_Object.obj)).chordProxyNode;
IPAddress originalFromIP = ((IP_ChordProxyNode)(iNode_Object.obj)).IP;
Guid relayTicket = ((IP_ChordProxyNode)(iNode_Object.obj)).ticket;
byte[] compositeMsg = UtilityMethod.convertToTabSeparatedByteArray(true, "FIND_SUCCESSOR_REPLY", successor.getIP().ToString());
chordProxyNode.proxyController.sendMsgTwoWayRelay(chordProxyNode.proxyController.getProxyNode(originalFromIP), compositeMsg, 0, compositeMsg.Length, null, null, relayTicket);
}
