/// <summary>
/// Simple constructor that initializes the data structures for keeping track of the state of each slave.
/// The constructor receives two parameters: a boolean flag indicating whether the system should display
/// information that is useful for debugging, and the maximum load per slave (the maximum number of jobs
/// that a slave can be entrusted with at each time).
/// </summary>
public SlaveMonitor(IEvolutionState state, bool showDebugInfo, IMasterProblem problemPrototype)
{
ShowDebugInfo = showDebugInfo;
State = state;
ProblemPrototype = problemPrototype;
var port = state.Parameters.GetInt(new Parameter(P_EVALMASTERPORT), null);
MaxJobsPerSlave = state.Parameters.GetInt(new Parameter(P_MAXIMUMNUMBEROFCONCURRENTJOBSPERSLAVE), null);
UseCompression = state.Parameters.GetBoolean(new Parameter(P_EVALCOMPRESSION), null, false);
try
{
var tempTcpListener = new TcpListener(Dns.GetHostEntry(Dns.GetHostName()).AddressList[0], port);
tempTcpListener.Start();
ServSock = tempTcpListener;
}
catch (IOException e)
{
state.Output.Fatal("Unable to bind to port " + port + ": " + e);
}
RandomSeed = (int)DateTimeHelper.CurrentTimeMilliseconds;
// spawn the thread
Thread = new ThreadClass(new AnonymousClassRunnable(state, this, problemPrototype).Run);
Thread.Start();
}
public virtual void Setup(IEvolutionState state, IParameter paramBase)
{
// Load my problem
p_problem = (IProblem)(state.Parameters.GetInstanceForParameter(paramBase.Push(P_PROBLEM), null, typeof(IProblem)));
p_problem.Setup(state, paramBase.Push(P_PROBLEM));
// Am I a master problem and NOT a slave. Note that the "eval.i-am-slave" parameter
// is not set by the user but rather programmatically by the Slave class
if (state.Parameters.ParameterExists(paramBase.Push(P_MASTERPROBLEM), null))
// there's a master problem to load
{
// load the masterproblem so it can be accessed by the Slave as well (even though it's not used in its official capacity)
MasterProblem = (IMasterProblem)(state.Parameters.GetInstanceForParameter(
paramBase.Push(P_MASTERPROBLEM), null, typeof(IProblem)));
MasterProblem.Setup(state, paramBase.Push(P_MASTERPROBLEM));
if (!state.Parameters.GetBoolean(paramBase.Push(P_IAMSLAVE), null, false))
// I am a master (or possibly a slave -- same params)
{
//try
//{
// var masterproblem = (IProblem)(state.Parameters.GetInstanceForParameter(
// paramBase.Push(P_MASTERPROBLEM), null, typeof(IProblem)));
// masterproblem.Setup(state, paramBase.Push(P_MASTERPROBLEM));
/*
* If a MasterProblem was specified, interpose it between the
* evaluator and the real problem. This allows seamless use
* of the master problem.
*/
MasterProblem.Problem = p_problem;
p_problem = MasterProblem;
//}
//catch (ParamClassLoadException)
//{
// state.Output.Fatal("Parameter has an invalid value: " + paramBase.Push(P_MASTERPROBLEM));
//}
}
}
}
private void InitBlock(IEvolutionState state, ISlaveMonitor enclosingInstance, IMasterProblem problemPrototype)
{
_state = state;
_enclosingInstance = enclosingInstance;
_problemPrototype = problemPrototype;
}
public AnonymousClassRunnable(IEvolutionState state, ISlaveMonitor enclosingInstance, IMasterProblem problemPrototype)
{
InitBlock(state, enclosingInstance, problemPrototype);
}
