internal override void ReceiveTotalOrder(TotalOrderData totalorderData)
{
int requestId = totalorderData.RequestId;
Utils.Print(" [*] SMR Server: Received TotalOrderData.", verbose: Verbose);
if (holdbackQueue.ContainsKey(requestId))
{
int totalorderId = totalorderData.TotalOrderId;
if (totalorderId < rg)
{
Utils.Print(" [x] SMR Server: Received unexpected TotalOrderData.");
}
else if (totalorderId > rg)
{
deliveryQueue.Add(requestId, totalorderData);
}
else
{
ExecuteRequest(requestId);
}
}
else
{
deliveryQueue.Add(requestId, totalorderData);
}
}
internal void CheckDeliveryQueue()
{
Utils.Print(" [*] SMR Server: Checking Delivery Queue.", verbose: Verbose);
//Checks if any of the request's whose TotalOrderId came earlier can be executed now.
foreach (int requestId in deliveryQueue.Keys)
{
TotalOrderData totalorderData = deliveryQueue[requestId];
int totalorderId = totalorderData.TotalOrderId;
//If the totalorderId of the next request to be executed is there, checks if the request is in holdback.
if (totalorderId == rg)
{
//If both the totalorderId and the request are in the server, executes, and recursively checks if the next are.
if (holdbackQueue.ContainsKey(requestId))
{
ExecuteRequest(requestId);
}
return;
}
}
}
internal void SendTotalOrder(string clientId, int requestId)
{
bool goingNewView = false;
mIdTable[clientId] = requestId;
TotalOrderData totalorderData = new TotalOrderData(requestId, sg);
sg += 1;
List <ServerData> replicasList = viewManager.GetKnownReplicas();
foreach (ServerData serverData in replicasList)
{
string serverProxyURL = $"tcp://{serverData.ServerURL}/{serverData.ServerName}";
try
{
ISMRServerService serverProxy = (ISMRServerService)Activator.GetObject(typeof(ISMRServerService), serverProxyURL);
serverProxy.ReceiveTotalOrder(totalorderData);
}
catch (RemotingException)
{
goingNewView = true;
break;
}
catch (SocketException)
{
goingNewView = true;
break;
}
}
if (goingNewView)
{
viewManager.TryViewChange(viewManager.GetKnownReplicas());
}
Utils.Print("[*] SMR Server Sequencer: Sent TotalOrderData.");
CheckHoldbackSequencerQueue(); //Checks if there are any messages than can be attributed now.
}
internal abstract void ReceiveTotalOrder(TotalOrderData totalorderData);
public void ReceiveTotalOrder(TotalOrderData totalorderData) => server.ReceiveTotalOrder(totalorderData);
// Does nothing, only here because it was needed for SMR and the interface is shared. internal override void ReceiveTotalOrder(TotalOrderData totalorderData) => throw new System.NotImplementedException();
