func (m *Model) run(ec chan<- error) {
signature := "RUN_" + m.SessionIdentifier
for {
select {
case <-m.halt:
gobr.WaitForSignalOnce(signature, m.turnSync) // block while waiting for turn to end.
time.Sleep(pause)
return
case <-m.Quit:
gobr.WaitForSignalOnce(signature, m.turnSync) // block while waiting for turn to end.
ec <- m.Stop()
time.Sleep(pause)
return
default:
if m.LimitDuration && m.Turn >= m.FixedDuration {
ec <- m.Stop()
return
}
if (len(m.popCpPrey) == 0) || (len(m.popVisualPredator) == 0) {
ec <- m.Stop()
return
}
// PROCEED WITH TURN
m.turn(ec)
}
}
}
// Controller processes instructions from client (web, command-line)
// for now, we just send errors to the general error channel for the model instance (m.e)
func (m *Model) Controller() {
signature := "CONTROLLER_" + m.SessionIdentifier
for {
select {
case msg := <-m.Im:
switch msg.Type {
case "conditions": // if conditions params msg is recieved, (re)start
if m.running {
register:
clash := gobr.WaitForSignalOnce(signature, m.turnSync)
if clash {
time.Sleep(pause)
goto register
} // will block until receiving turn broadcast once.
m.e <- m.Stop()
}
err := json.Unmarshal(msg.Data, &m.ConditionParams)
if err != nil {
errString := fmt.Sprintf("model Controller(): error: json.Unmarshal: %s", err)
m.e <- errors.New(errString)
break
}
m.Timeframe.Reset()
spew.Dump(m.ConditionParams)
m.e <- m.Start()
case "pause":
m.e <- m.Suspend()
}
case <-m.Quit:
gobr.WaitForSignalOnce(signature, m.turnSync) // will block until receiving turn broadcast once.
return
}
}
}