public string Get(string key)
{
uint hashedKey = (uint)_generateKey.Generate(key);
Log.Debug(hashedKey.ToString());
_node.Get(hashedKey);
bool isCalled = false;
string value = null;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
_node.GetResponseEventHandler += (sender, args) =>
{
GetResponseHandlerEventArgs eventArgs = (GetResponseHandlerEventArgs)args;
value = eventArgs.Value;
isCalled = true;
};
while (!isCalled && stopwatch.Elapsed < TimeSpan.FromSeconds(10))
{
//Performance sleep
Thread.Sleep(100);
}
return(value);
}
public void Receive(string responseMessage)
{
var dhtProtocolCommandDto = JsonSerializer.Deserialize <DhtProtocolCommandDto>(responseMessage);
Log.Debug(dhtProtocolCommandDto.ToString());
switch (dhtProtocolCommandDto.Command)
{
case DhtCommand.NOTIFY:
NotifyEventArgs notifyEventArgs =
new NotifyEventArgs {
NodeDto = dhtProtocolCommandDto.NodeDto
};
OnNotify(notifyEventArgs);
break;
case DhtCommand.STABILIZE:
StabilizeEventArgs stabilizeEventArgs =
new StabilizeEventArgs {
DestinationNode = dhtProtocolCommandDto.NodeDto
};
OnStabilizeHandler(stabilizeEventArgs);
break;
case DhtCommand.FIND_SUCCESSOR:
FindSuccessorEventArgs findSuccessorEventArgs = new FindSuccessorEventArgs
{
Key = dhtProtocolCommandDto.Key, DestinationNode = dhtProtocolCommandDto.NodeDto
};
OnFindSuccessor(findSuccessorEventArgs);
break;
case DhtCommand.FOUND_SUCCESSOR:
FoundSuccessorEventArgs foundSuccessorEventArgs = new FoundSuccessorEventArgs
{
SuccessorNode = dhtProtocolCommandDto.NodeDto, Key = dhtProtocolCommandDto.Key
};
OnFoundSuccessor(foundSuccessorEventArgs);
break;
case DhtCommand.CHECK_PREDECESSOR:
CheckPredecessorEventArgs checkPredecessorEventArgs = new CheckPredecessorEventArgs
{
DestinationNode = dhtProtocolCommandDto.NodeDto
};
OnCheckPredecessorHandler(checkPredecessorEventArgs);
break;
case DhtCommand.STABILIZE_RESPONSE:
StabilizeResponseEventArgs stabilizeResponseEventArgs = new StabilizeResponseEventArgs
{
PredecessorOfSuccessor = dhtProtocolCommandDto.NodeDto
};
OnStabilizeResponseHandler(stabilizeResponseEventArgs);
break;
case DhtCommand.CHECK_PREDECESSOR_RESPONSE:
CheckPredecessorResponseEventArgs checkPredecessorResponseEventArgs =
new CheckPredecessorResponseEventArgs {
Predecessor = dhtProtocolCommandDto.NodeDto
};
OnCheckPredecessorResponseHandler(checkPredecessorResponseEventArgs);
break;
case DhtCommand.GET:
GetHandlerEventArgs getHandlerEventArgs = new GetHandlerEventArgs
{
DhtProtocolCommandDto = dhtProtocolCommandDto
};
OnGet(getHandlerEventArgs);
break;
case DhtCommand.GET_RESPONSE:
GetResponseHandlerEventArgs getResponseHandlerEventArgs = new GetResponseHandlerEventArgs
{
DestinationNode = dhtProtocolCommandDto.NodeDto,
Key = dhtProtocolCommandDto.Key,
Value = dhtProtocolCommandDto.Value,
};
OnGetResponseHandler(getResponseHandlerEventArgs);
break;
case DhtCommand.PUT:
PutHandlerEventArgs putHandlerEventArgs = new PutHandlerEventArgs
{
ProtocolCommandDto = dhtProtocolCommandDto
};
OnPut(putHandlerEventArgs);
break;
case DhtCommand.PUT_RESPONSE:
GetResponseHandlerEventArgs putReponseHandlerEventArgs = new GetResponseHandlerEventArgs
{
DestinationNode = dhtProtocolCommandDto.NodeDto,
Key = dhtProtocolCommandDto.Key,
Value = dhtProtocolCommandDto.Value,
};
OnPutResponseHandler(putReponseHandlerEventArgs);
break;
case DhtCommand.REMOVE_DATA_FROM_EXPIRED_REPLICAS:
GetHandlerEventArgs removeDataFromExpiredReplicasEventArgs = new GetHandlerEventArgs
{
DhtProtocolCommandDto = dhtProtocolCommandDto
};
OnRemoveDataFromExpiredReplicas(removeDataFromExpiredReplicasEventArgs);
break;
case DhtCommand.REMOVE_DATA_FROM_EXPIRED_REPLICAS_RESPONSE:
GetHandlerEventArgs removeDataFromExpiredReplicasResponseEventArgs = new GetHandlerEventArgs
{
DhtProtocolCommandDto = dhtProtocolCommandDto
};
OnRemoveDataFromExpiredReplicasResponseHandler(removeDataFromExpiredReplicasResponseEventArgs);
break;
default:
break;
}
}
private void OnPutResponseHandler(GetResponseHandlerEventArgs e)
{
EventHandler handler = PutReponseHandler;
handler?.Invoke(this, e);
}
