/// <summary>
/// Mwtoda serializuje obiekty pochodne MessageObject
/// </summary>
/// <param name="message">Obiekt do serializacji</param>
/// <param name="type">Typ wiadomości</param>
/// <returns></returns>
public byte[] SerilizeMessageObject(MessageObject message, Type type)
{
XmlSerializer serializer = new XmlSerializer(type);
StringBuilder sb = new StringBuilder();
StringWriter stringWriter = new StringWriter(sb);
serializer.Serialize(stringWriter, message);
return System.Text.Encoding.UTF8.GetBytes(sb.ToString().Replace("utf-16", "utf-8"));
}
/// <summary>
/// Aktualizuje informację o TM i CN. Sprawdza czy jest dla nich nowe zadanie i jeśli znajdzie, odsyła.
/// </summary>
/// <param name="obj">Status TM/CN</param>
/// <returns></returns>
private MessageObject UpdateAndGiveData(MessageObject obj)
{
MessageObject response = null;
Status status = obj as Status;
lock (lockObj)
{
Node node = taskManagers.Find(item => item.Id == status.Id);
if (node == null)
node = computationalNodes.Find(item => item.Id == status.Id);
if (node != null)
{
node.Update(status.Threads);
UpdateTemporaryProblems(node.TemporaryProblems);
if (node.GetAvailableThreads() > 0)
{
if (node.GetType() == typeof(TaskManager))
{
Problem partialP = problems.Find(t => t.Status == ProblemStatus.PartiallySolved
&& node.SolvableProblems.Contains(t.ProblemType));
if (partialP != null)
{
partialP.Status = ProblemStatus.WaitingForSolutions;
List<Solution> solutions = new List<Solution>();
node.TemporaryProblems.Add(new TempProblem(partialP.Id, ProblemStatus.WaitingForSolutions, null));
foreach (var pp in partialP.PartialProblems)
{
solutions.Add(new Solution(pp.TaskId, pp.TimeoutOccured, SolutionType.Partial, pp.ComputationsTime, pp.Data));
}
response = new Solutions(partialP.ProblemType, partialP.Id, partialP.CommonData, solutions);
return response;
}
Problem newP = problems.Find(t => t.Status == ProblemStatus.New
&& node.SolvableProblems.Contains(t.ProblemType));
if (newP != null)
{
newP.Status = ProblemStatus.WaitingForDivision;
node.TemporaryProblems.Add(new TempProblem(newP.Id, ProblemStatus.WaitingForDivision, null));
ulong computationalNodesCount = (ulong)computationalNodes.Sum(t => t.GetAvailableThreads());
response = new DivideProblem(newP.ProblemType, newP.Id, newP.Data, computationalNodesCount);
return response;
}
}
else // ComputationalNode
{
Problem dividedP = problems.Find(t => t.Status == ProblemStatus.Divided
&& node.SolvableProblems.Contains(t.ProblemType));
if (dividedP != null)
{
List<CommunicationXML.PartialProblem> pp =
dividedP.GetPartialProblemListToSolve(node.GetAvailableThreads());
response =
new SolvePartialProblems(dividedP.ProblemType, dividedP.Id,
dividedP.CommonData, dividedP.SolvingTimeout, pp);
List<TempPartial> ppnums = new List<TempPartial>();
foreach(var x in pp)
{
ppnums.Add(new TempPartial(x.TaskId, PartialProblemStatus.Sended));
}
node.TemporaryProblems.Add(new TempProblem(dividedP.Id, dividedP.Status, ppnums));
return response;
}
}
}
}
}
return response;
}
/// <summary>
/// Publiczny konstruktor obiektu XmlParser
/// </summary>
/// <param name="data">Dane Xml jako tablica bajtów, które chcemy zmienić na obiekt jednego z typów pochodnych MessageObject</param>
public XMLParser(byte [] data)
{
//xmlMessage = StringToBytesConverter.GetString(data);
xmlMessage = System.Text.Encoding.UTF8.GetString(data);
System.Console.WriteLine(xmlMessage);
System.Console.WriteLine();
object result;
if(null != (result = TryDeserilize(typeof(Register))))
{
messageType = MessageTypes.Register;
message = (Register)result;
return;
}
if (null != (result = TryDeserilize(typeof(RegisterResponse))))
{
messageType = MessageTypes.RegisterResponse;
message = (RegisterResponse)result;
return;
}
if(null != (result = TryDeserilize(typeof(SolutionRequest))))
{
messageType = MessageTypes.SolutionRequest;
message = (SolutionRequest)result;
return;
}
if(null != (result = TryDeserilize(typeof(DivideProblem))))
{
messageType = MessageTypes.DivideProblem;
message = (DivideProblem)result;
return;
}
if(null != (result = TryDeserilize(typeof(SolveRequestResponse))))
{
messageType = MessageTypes.SolveRequestResponse;
message = (SolveRequestResponse)result;
return;
}
if(null != (result = TryDeserilize(typeof(SolveRequest))))
{
messageType = MessageTypes.SolveRequest;
message = (SolveRequest)result;
return;
}
if(null != (result = TryDeserilize(typeof(SolvePartialProblems))))
{
messageType = MessageTypes.SolvePartialProblems;
message = (SolvePartialProblems)result;
return;
}
if(null != (result = TryDeserilize(typeof(Status))))
{
messageType = MessageTypes.Status;
message = (Status)result;
return;
}
if(null !=(result = TryDeserilize(typeof(Solutions))))
{
messageType = MessageTypes.Solutions;
message = (Solutions)result;
return;
}
throw new ArgumentException("data can not be deserialized");
}
/// <summary>
/// Wysyłanie rozwiązania do CC.
/// </summary>
/// <param name="obj">SolutionRequest</param>
private Solutions SendSolution(MessageObject obj)
{
Solutions response = null;
SolutionRequest request = obj as SolutionRequest;
lock (lockObj)
{
Problem p = problems.Find(x => x.Id == request.Id);
if (p != null)
{
List<Solution> solutions = new List<Solution>();
if (p.Status == ProblemStatus.Solved)
{
solutions.Add(new Solution(p.TimeoutOccured, SolutionType.Final, p.ComputationsTime, p.Data));
// Usuwanie wysłanego problemu z listy.
problems.Remove(p);
}
else
{
foreach (var s in p.PartialProblems)
{
solutions.Add(
new Solution(s.TaskId, s.TimeoutOccured,
s.PartialProblemStatus == PartialProblemStatus.Solved ?
SolutionType.Partial : SolutionType.Ongoing, s.ComputationsTime, s.Data));
}
if (solutions.Count == 0)
solutions.Add(Solution.GetEmptySolution());
}
response = new Solutions(p.ProblemType, p.Id, p.CommonData, solutions);
}
}
return response;
}
/// <summary>
/// Dodawanie nowego problemu do listy.
/// </summary>
/// <param name="obj">Nowy problem</param>
/// <returns></returns>
private SolveRequestResponse RegisterNewProblem(MessageObject obj)
{
SolveRequest req = obj as SolveRequest;
SolveRequestResponse response = null;
lock (lockObj)
{
Problem p = new Problem(req.ProblemType, req.Data, req.SolvingTimeout);
problems.Add(p);
response = new SolveRequestResponse(p.Id);
}
return response;
}
/// <summary>
/// Rejestracja nowego Computational Node lub Task Manager
/// </summary>
/// <param name="obj">Informacje o nowym TM/CN</param>
/// <returns></returns>
private RegisterResponse RegisterNewNode(MessageObject obj)
{
Register reg = obj as Register;
RegisterResponse response;
lock (lockObj)
{
switch (reg.Type)
{
case NodeType.TaskManager:
TaskManager tm = new TaskManager(reg.SolvableProblems, reg.ParallelThreads);
taskManagers.Add(tm);
response = new RegisterResponse(tm.Id, timeout);
break;
case NodeType.ComputationalNode:
ComputationalNode cn = new ComputationalNode(reg.SolvableProblems, reg.ParallelThreads);
computationalNodes.Add(cn);
response = new RegisterResponse(cn.Id, timeout);
break;
default:
response = null;
break;
}
}
return response;
}
/// <summary>
/// Pobiera częściowe i całkowite rozwiązania.
/// </summary>
/// <param name="obj">Solutions</param>
private void GetSolutions(MessageObject obj)
{
Solutions solutions = obj as Solutions;
lock (lockObj)
{
Problem p = problems.Find(x => x.Id == solutions.Id && x.ProblemType == solutions.ProblemType);
if (p != null)
{
p.SetSolutions(solutions.SolutionsList);
}
}
}
/// <summary>
/// Odbiera podzielone dane od TM.
/// </summary>
/// <param name="obj">SolvePartialProblems</param>
private void GetDividedProblem(MessageObject obj)
{
SolvePartialProblems partialProblems = obj as SolvePartialProblems;
lock (lockObj)
{
Problem p = problems.Find(x => x.Id == partialProblems.Id && x.ProblemType == partialProblems.ProblemType);
if (p != null && p.Status == ProblemStatus.WaitingForDivision)
{
p.SetPartialProblems(partialProblems.CommonData, partialProblems.PartialProblems);
}
}
}