private ProcessEvent getProcessEvent(Process p)
{
p.Index = GenerateRandomErrorIndex(1, 5, p.Index);
switch (p.Index)
{
case 1:
p.Index = selectRand(2, 4, 5); // can jump to
return(new ProcessStart(p.ID));
case 2:
p.Index = 3; // can jump to
return(new ProcessSuspend(p.ID));
case 3:
p.Index = selectRand(2, 4, 5); // can jump to
return(new ProcessResume(p.ID));
case 4:
p.Index = 1; // can jump to
return(new ProcessStop(p.ID));
default:
p.Index = -1; // mark for remove
return(new ProcessComplete(p.ID));
}
}
// this is very complex and ugly for simulation purpose
protected void Update()
{
// clean
_tasks.RemoveAll(t => t.Index == -1);
_tasks.RemoveAll(t => _processes.Any(p => t.ProcessID == p.ID && p.Index == -1));
_processes.RemoveAll(p => p.Index == -1);
var rand100 = UniformRandom.Rand.Next(0, 100);
if (rand100 < 30)
{
// process
if (rand100 < 10)
{
// add
if (_processes.Count < _processCount)
{
var p = new Process();
_processes.Add(p);
adaptor.SendEvent(getProcessEvent(p));
}
}
else
{
if (_processes.Count > 0)
{
// update
var i = UniformRandom.Rand.Next(0, _processes.Count);
if (_processes[i].Index == -1)
{
// Remove completed processes
_processes.RemoveAt(i);
}
var PE = getProcessEvent(_processes[i]);
if (PE is ProcessComplete)
{
foreach (var t in _tasks.Where(x => x.ProcessID == PE.ProcessID))
{
adaptor.SendEvent(new TaskComplete(t.ProcessID, t.ID, t.TaskType, t.TaskActor));
}
_tasks.RemoveAll(ts => ts.ProcessID == PE.ProcessID);
}
adaptor.SendEvent(PE);
}
}
}
else
{
//Task
if (_processes.Count <= 0)
{
return;
}
// parent process
var ix = UniformRandom.Rand.Next(0, _processes.Count - 1);
if (_processes[ix].Index == -1)
{
// Remove completed processes
_tasks.RemoveAll(ts => ts.ProcessID == _processes[ix].ID);
_processes.RemoveAt(ix);
return;
}
var p = _processes[ix];
var tasksOfP = _tasks.Where(z => z.ProcessID == p.ID).ToList();
var count = tasksOfP.Count();
if (rand100 > 90)
{
// add
if (count < _taskCount)
{
var t = new Task();
t.ProcessID = p.ID;
t.TaskType = TaskTypes[UniformRandom.Rand.Next(0, 4)];
t.TaskActor = TaskActors[UniformRandom.Rand.Next(0, 4)];
_tasks.Add(t);
adaptor.SendEvent(getTaskEvent(t));
}
}
else
{
if (count > 0)
{
// update
var i = UniformRandom.Rand.Next(0, count);
if (tasksOfP[i].Index == -1)
{
// Remove completed taskes
_tasks.Remove(tasksOfP[i]);
return;
}
adaptor.SendEvent(getTaskEvent(tasksOfP[i]));
}
}
}
}