/*
* public Node findSuccessor(byte[] queryHashedKey, Node queryingNode)
* {
* if((Node)self<queryHashedKey && queryHashedKey<(Node)successor)
* return successor;
* else
* {
* Node closestPrecNode = findClosestPreceedingNode(queryHashedKey);
* if (closestPrecNode==self)
* return successor;
* else
* {
* return closestPrecNode.findSuccessor(queryHashedKey, queryingNode);
* }
* }
* }
*/
public void beginFindSuccessor(byte[] queryHashedKey, IChordNode queryingNode, AsyncCallback findSuccessorCallBack, Object appState, Guid relayTicket)
{
Console.WriteLine("Chord::engine::beginFindSuccessor ENTER");
ChordCommon.IChordNode_Object iNode_Object;
lock (successorLock)
{
if ((ChordRealNode)self < queryHashedKey && queryHashedKey < (ChordRealNode)successor)
{
Console.WriteLine("Chord::engine::beginFindSuccessor query falls inbetween node and successor");
if (!(findSuccessorCallBack == null))
{
iNode_Object = new ChordCommon.IChordNode_Object();
lock (successorLock)
{
iNode_Object.node = successor;
}
iNode_Object.obj = appState;
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
findSuccessorCallBack(res);
}
}
else
{
Console.WriteLine("Chord::engine::beginFindSuccessor query DOES NOT fall inbetween node and successor");
IChordNode closestPrecNode = findClosestPreceedingNode(queryHashedKey);
if (closestPrecNode == self)
{
Console.WriteLine("Chord::engine::beginFindSuccessor closestPrecNode==self");
if (!(findSuccessorCallBack == null))
{
Console.WriteLine("Chord::engine::beginFindSuccessor if(!(findSuccessorCallBack==null))");
iNode_Object = new ChordCommon.IChordNode_Object();
lock (successorLock)
{
iNode_Object.node = successor;
}
iNode_Object.obj = appState;
Console.WriteLine("Chord::engine::beginFindSuccessor before new IChordNode_ObjectAsyncResult");
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
Console.WriteLine("Chord::engine::beginFindSuccessor before calling findSuccessorCallBack");
findSuccessorCallBack(res);
}
}
else
{
Console.WriteLine("Chord::engine::beginFindSuccessor relaying request to closestPrecNode");
closestPrecNode.beginFindSuccessor(queryHashedKey, queryingNode, findSuccessorCallBack, appState, relayTicket);
}
}
}
Console.WriteLine("Chord::engine::beginFindSuccessor EXIT");
}
/* public Node getPredecessor()
* {
* return engine.getPredecessor();
*
* }
*/
public void beginGetPredecessor(AsyncCallback getPredecessorCallBack, Object appState)
{
Console.WriteLine("ChordRealNode::beginGetPredecessor ENTER");
IChordNode predecessor = engine.getPredecessor();
ChordCommon.IChordNode_Object iNode_Object = new ChordCommon.IChordNode_Object();
iNode_Object.node = predecessor;
iNode_Object.obj = appState;
if (!(getPredecessorCallBack == null))
{
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, false, true);
getPredecessorCallBack(res);
}
}
void processGetPredecessorForStabilize(IAsyncResult result)
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize ENTER");
ChordCommon.IChordNode_Object iNode_Object = (ChordCommon.IChordNode_Object)(result.AsyncState);
Object appState = iNode_Object.obj;
AsyncCallback callBack = ((Tashjik.Common.AsyncCallback_Object)appState).callBack;
Object appState1 = ((Tashjik.Common.AsyncCallback_Object)appState).obj;
IChordNode x = iNode_Object.node;
if (x == null)
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize UNKNOWN_PREDECESSOR");
if (callBack != null)
{
iNode_Object = new ChordCommon.IChordNode_Object();
iNode_Object.node = null;
iNode_Object.obj = appState1;
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
// callBack(res);
}
}
else
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize before condition check");
lock (successorLock)
{
if ((self < (IChordNode)x) && ((ChordRealNode)x /*.getHashedIP()*/ < (successor)))
{
successor = x;
}
}
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize before calling beginNotify on successor");
}
lock (successorLock)
{
successor.beginPredecessorNotify(self, callBack, appState1);
}
}
/*
public Node findSuccessor(byte[] queryHashedKey, Node queryingNode)
{
if((Node)self<queryHashedKey && queryHashedKey<(Node)successor)
return successor;
else
{
Node closestPrecNode = findClosestPreceedingNode(queryHashedKey);
if (closestPrecNode==self)
return successor;
else
{
return closestPrecNode.findSuccessor(queryHashedKey, queryingNode);
}
}
}
*/
public void beginFindSuccessor(byte[] queryHashedKey, IChordNode queryingNode, AsyncCallback findSuccessorCallBack, Object appState, Guid relayTicket)
{
Console.WriteLine("Chord::engine::beginFindSuccessor ENTER");
ChordCommon.IChordNode_Object iNode_Object;
lock (successorLock)
{
if ((ChordRealNode)self < queryHashedKey && queryHashedKey < (ChordRealNode)successor)
{
Console.WriteLine("Chord::engine::beginFindSuccessor query falls inbetween node and successor");
if (!(findSuccessorCallBack == null))
{
iNode_Object = new ChordCommon.IChordNode_Object();
lock (successorLock)
{
iNode_Object.node = successor;
}
iNode_Object.obj = appState;
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
findSuccessorCallBack(res);
}
}
else
{
Console.WriteLine("Chord::engine::beginFindSuccessor query DOES NOT fall inbetween node and successor");
IChordNode closestPrecNode = findClosestPreceedingNode(queryHashedKey);
if (closestPrecNode == self)
{
Console.WriteLine("Chord::engine::beginFindSuccessor closestPrecNode==self");
if (!(findSuccessorCallBack == null))
{
Console.WriteLine("Chord::engine::beginFindSuccessor if(!(findSuccessorCallBack==null))");
iNode_Object = new ChordCommon.IChordNode_Object();
lock (successorLock)
{
iNode_Object.node = successor;
}
iNode_Object.obj = appState;
Console.WriteLine("Chord::engine::beginFindSuccessor before new IChordNode_ObjectAsyncResult");
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
Console.WriteLine("Chord::engine::beginFindSuccessor before calling findSuccessorCallBack");
findSuccessorCallBack(res);
}
}
else
{
Console.WriteLine("Chord::engine::beginFindSuccessor relaying request to closestPrecNode");
closestPrecNode.beginFindSuccessor(queryHashedKey, queryingNode, findSuccessorCallBack, appState, relayTicket);
}
}
}
Console.WriteLine("Chord::engine::beginFindSuccessor EXIT");
}
/* public Node getPredecessor()
{
return engine.getPredecessor();
}
*/
public void beginGetPredecessor(AsyncCallback getPredecessorCallBack, Object appState)
{
Console.WriteLine("ChordRealNode::beginGetPredecessor ENTER");
IChordNode predecessor = engine.getPredecessor();
ChordCommon.IChordNode_Object iNode_Object = new ChordCommon.IChordNode_Object();
iNode_Object.node = predecessor;
iNode_Object.obj = appState;
if(!(getPredecessorCallBack==null))
{
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, false,true);
getPredecessorCallBack(res);
}
}
void processGetPredecessorForStabilize(IAsyncResult result)
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize ENTER");
ChordCommon.IChordNode_Object iNode_Object = (ChordCommon.IChordNode_Object)(result.AsyncState);
Object appState = iNode_Object.obj;
AsyncCallback callBack = ((Tashjik.Common.AsyncCallback_Object)appState).callBack;
Object appState1 = ((Tashjik.Common.AsyncCallback_Object)appState).obj;
IChordNode x = iNode_Object.node;
if(x==null)
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize UNKNOWN_PREDECESSOR");
if(callBack != null)
{ iNode_Object = new ChordCommon.IChordNode_Object();
iNode_Object.node = null;
iNode_Object.obj = appState1;
IAsyncResult res = new ChordCommon.IChordNode_ObjectAsyncResult(iNode_Object, true, true);
// callBack(res);
}
}
else
{
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize before condition check");
lock (successorLock)
{
if ((self < (IChordNode)x) && ((ChordRealNode)x/*.getHashedIP()*/ < (successor)))
successor = x;
}
Console.WriteLine("Chord::Engine::processGetPredecessorForStabilize before calling beginNotify on successor");
}
lock (successorLock)
{
successor.beginPredecessorNotify(self, callBack, appState1);
}
}
