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Implement Device::TransitionTo() and test it

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This commit is contained in:
Alexey Rybalchenko
2019-07-15 14:10:03 +02:00
committed by Dennis Klein
parent 1c7da53386
commit 74d301a16f
4 changed files with 106 additions and 3 deletions
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48
fairmq/FairMQDevice.cxx
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@@ -169,15 +169,15 @@ fair::mq::State FairMQDevice::WaitForNextState()
fStatesCV.wait_for(lock, chrono::milliseconds(50));
}
auto result = fStates.front();
auto state = fStates.front();
if (result == fair::mq::State::Error) {
if (state == fair::mq::State::Error) {
throw DeviceStateError("Device transitioned to error state.");
}
fStates.pop();
return result;
return state;
}
void FairMQDevice::WaitForState(fair::mq::State state)
@@ -185,6 +185,48 @@ void FairMQDevice::WaitForState(fair::mq::State state)
while (WaitForNextState() != state) {}
}
void FairMQDevice::TransitionTo(const fair::mq::State s)
{
using fair::mq::State;
State currentState = GetCurrentState();
while (s != currentState) {
switch (currentState) {
case State::Idle:
if (s == State::Exiting) { ChangeState(Transition::End); }
else { ChangeState(Transition::InitDevice); }
break;
case State::InitializingDevice:
ChangeState(Transition::CompleteInit);
break;
case State::Initialized:
if (s == State::Exiting || s == State::Idle) { ChangeState(Transition::ResetDevice); }
else { ChangeState(Transition::Bind); }
break;
case State::Bound:
if (s == State::DeviceReady || s == State::Ready || s == State::Running) { ChangeState(Transition::Connect); }
else { ChangeState(Transition::ResetDevice); }
break;
case State::DeviceReady:
if (s == State::Running || s == State::Ready) { ChangeState(Transition::InitTask); }
else { ChangeState(Transition::ResetDevice); }
break;
case State::Ready:
if (s == State::Running) { ChangeState(Transition::Run); }
else { ChangeState(Transition::ResetTask); }
break;
case State::Running:
ChangeState(Transition::Stop);
break;
default: // Binding, Connecting, InitializingTask, ResettingDevice, ResettingTask
LOG(debug) << "TransitionTo ignoring state: " << currentState;
break;
}
currentState = WaitForNextState();
}
}
bool FairMQDevice::ChangeState(const int transition)
{
return ChangeState(backwardsCompatibilityChangeStateHelper.at(transition));