/// <summary>
/// Process Command received from the client
/// </summary>
/// <param name="cmd"></param>
/// <param name="payload"></param>
/*public static void DealWithRequestReplicaCommand_thread(CommandReplicas cmd)
* {
* Object tmp;
* View v = null;
* switch (cmd.GetCommand())
* {
* case "INVITATION":
* v = cmd.GetProposedView();
* if (v.GetSequence() <= ServerProgram.GetCurrentViewID().GetSequence())//Reject message if Sequence is less or equal than CurrentView
* {
* GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("REFUSE", ServerProgram.GetCurrentViewID(), null, null));
* }
* else
* {
* GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("ACCEPTANCE", ServerProgram.GetCurrentViewID(), ts, ServerProgram.GetMyAddress()));
* }
* break;
* case "ACCEPTANCE":
* v = cmd.GetProposedView();
* if (v.GetSequence() > ServerProgram.GetCurrentViewID().GetSequence())//Accepts mesaage if Sequence > currentViewID
* {
* ServerProgram.SetCurrentViewID(v);//Update my view
* ts = cmd.GetTSS(); //Update TSS
* GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("COMMIT", ServerProgram.GetCurrentViewID(), ts, ServerProgram.GetMyAddress()));
* }
* break;
* case "COMMIT":
* ServerProgram.SetCurrentViewID(v);//Update my view
* ts = cmd.GetTSS(); //Update TSS
* break;
* case "REFUSE":
* break;
* }
* }*/
public void SinkFromReplicas(object cmd) //Receive answers
{
CommandReplicas a = cmd as CommandReplicas;
if (a == null)
{
return;
}
while (MustFreeze == true)
{
; //Freeze
}
Thread.Sleep(DelayMessagesTime); //Delay Insertion of messages
//CommLayer_forReplica.InsertCommand(a);
/*if (mt != null)
* {
* Console.WriteLine("(ClientServices) RECEBI: " + mt.ToString());
*
* }
* else
* {
* Console.WriteLine("(ClientServices) NADA A RECEBER");
* }
* ClientProgram.AnswerIsReceived();*/
}
// ====================================================================================================
// Services for other Replicas TSS
// ====================================================================================================
public void RX_ReplicaCommand(object cmd) //Receive commands from other replicas
{
CommandReplicas a = cmd as CommandReplicas;
if (a == null)
{
return;
}
Thread.Sleep(DelayMessagesTime);//Delay Insertion of messages
//CommLayer_forReplica.InsertCommand(a);
}
private static void GiveBackResultToReplica(Uri uri, CommandReplicas cm)
{
IServerServices obj = (IServerServices)Activator.GetObject(typeof(IServerServices), uri.AbsoluteUri + "MyRemoteObjectName");
obj.SinkFromReplicas(cm);
}
/*public void InitFieds(Queue q, List<Command> l)
* {
* CommandQueue = q;
* BackLogCommands = l;
* }*/
public void InsertCommand(CommandReplicas c)
{
CommandQueue.Enqueue(c); //Command in Queue
}
public static void CheckCommandsInQueue_thread_Replica()
{
while (true)
{
Thread.Sleep(50); //Min time to check commands
if (CommLayer_forReplica.GetQueueSize() > 0) //if there is commands
{
CommandReplicas cmd = CommLayer_forReplica.RemoveFromCommandQueue();
//MyTuple payload = (MyTuple)cmd.GetPayload();
//Object tmp;
switch (cmd.GetCommand())
{
case "REQUEST_VIEW_AND_IMAGE": //RECEBI UM PEDIDO
Console.WriteLine("-----REQUEST_VIEW_AND_IMAGE-----");
//Console.WriteLine("CURRENT VIEW1 ==> " + ServerProgram.GetCurrentViewID().ToString());
//Console.WriteLine("CURRENT IMAGE ==> " + ts.ToString());
GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("RECEIVE_VIEW_AND_IMAGE", ServerProgram.GetCurrentViewID(), ts, ServerProgram.GetMyAddress(), ServerProgram.GetMyId())); //ENVIO O ACK
Console.WriteLine("olaaa");
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_UPDATE_VIEW);
break;
case "RECEIVE_VIEW_AND_IMAGE": //RECEBI UM AKC
Console.WriteLine("-----RECEIVE_VIEW_AND_IMAGE----");
ServerProgram.SetCurrentViewID(cmd.GetProposedView()); //View update
ts = cmd.GetTSS(); //tuple space update
Console.WriteLine("VIEW RECEBIDA1 ==> " + cmd.GetProposedView().ToString());
Console.WriteLine("IMAGEM RECEBIDA1 ==> " + ts.ToString());
ServerProgram.wait = false;
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_RESTART);
break;
case "REQUEST_VIEW":
Console.WriteLine("-----REQUEST_VIEW-----"); //RECEBI UM PEDIDO
//Console.WriteLine("CURRENT VIEW2 ==> " + ServerProgram.GetCurrentViewID().ToString());
GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("RECEIVE_VIEW", ServerProgram.GetCurrentViewID(), null, ServerProgram.GetMyAddress(), ServerProgram.GetMyId())); //ENVIO O ACK
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_WAIT);
break;
case "RECEIVE_VIEW": //RECEBI UM AKC
Console.WriteLine("-----RECEIVE_VIEW-----");
if (cmd.GetURI().AbsolutePath == ServerProgram.RootServer.UID.AbsolutePath)
{
ServerProgram.root_view = cmd.GetProposedView();
//Console.WriteLine("Recebi a view do root ---> " + ServerProgram.root_view.ToString());
}
ServerProgram.Proposed_Views.Add(cmd.GetProposedView());
//Console.WriteLine("VIEW RECEBIDA2 ==> " + cmd.GetProposedView().ToString());
ServerProgram.wait = false;
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_CHECK_VIEW);
break;
case "UPDATE_VIEW": //RECEBI UM PEDIDO DO ROOT PARA FAZER UPDATE DA VIEW
Console.WriteLine("-----UPDATE_VIEW-----");
ServerProgram.SetCurrentViewID(cmd.GetProposedView()); //View update
//Console.WriteLine("NOVA VIEW ==> " + ServerProgram.GetCurrentViewID().ToString());
GiveBackResultToReplica(cmd.GetURI(), new CommandReplicas("ACK_UPDATE_VIEW", ServerProgram.GetCurrentViewID(), null, ServerProgram.GetMyAddress(), ServerProgram.GetMyId())); //ENVIO O ACK
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_WAIT);
break;
case "ACK_UPDATE_VIEW":
Console.WriteLine("-----ACK_UPDATE_VIEW-----"); //RECEBI ACK DE CONFIRMAÇÃO DA ALTERAÇÃO DA VIEW
ServerProgram.wait = false;
ServerProgram.SetStateMachine(ServerProgram.STATE_MACHINE_NETWORK_RESTART);
break;
}
}
}
}
