fizz::sm::StateMachine< SM > Class Template Reference

#include <StateMachine.h>

Public Types
using	EventHandlerFun = typename SM::Actions(*)(const typename SM::State &, typename SM::Param)

Static Public Member Functions
static EventHandlerFun	getHandler (typename SM::StateEnum state, typename SM::Event event)

Static Private Member Functions
template<std::size_t i>
static constexpr EventHandlerFun	getEventHandler ()
template<std::size_t... Indices>
static constexpr std::array< EventHandlerFun, sizeof...(Indices)>	getEventHandlers (std::index_sequence< Indices... >)

Detailed Description

template<typename SM>
class fizz::sm::StateMachine< SM >

Definition at line 15 of file StateMachine.h.

Member Typedef Documentation

template<typename SM>

using fizz::sm::StateMachine< SM >::EventHandlerFun = typename SM::Actions (*)(const typename SM::State&, typename SM::Param)

Definition at line 18 of file StateMachine.h.

Member Function Documentation

template<typename SM >

template<std::size_t i>

constexpr StateMachine< SM >::EventHandlerFun fizz::sm::StateMachine< SM >::getEventHandler ( )

staticprivate

Definition at line 77 of file StateMachine-inl.h.

References i.

                                  {
  return EventHandler<
      SM,
      static_cast<typename SM::StateEnum>(i / SM::NumEvents),
      static_cast<typename SM::Event>(i % SM::NumEvents)>::handle;
}

template<typename SM>

template<std::size_t... Indices>

static constexpr std::array<EventHandlerFun, sizeof...(Indices)> fizz::sm::StateMachine< SM >::getEventHandlers ( std::index_sequence< Indices... >  )

inlinestaticprivate

Definition at line 33 of file StateMachine.h.

                                                  {
    return {{getEventHandler<Indices>()...}};
  }

template<typename SM >

StateMachine< SM >::EventHandlerFun fizz::sm::StateMachine< SM >::getHandler ( typename SM::StateEnum  state, typename SM::Event  event  )

static

Returns the appropriate event handler for event in state.

Definition at line 63 of file StateMachine-inl.h.

References i.

Referenced by fizz::server::detail::processEvent(), and fizz::client::detail::processEvent().

                            {
  static constexpr auto handlers = getEventHandlers(
      std::make_index_sequence<SM::NumStates * SM::NumEvents>());
  const auto i = static_cast<std::size_t>(state) * SM::NumEvents +
      static_cast<std::size_t>(event);
  CHECK_LT(i, handlers.size()) << "Out of bounds handler requested";
  return handlers[i];
}

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The documentation for this class was generated from the following files:

• proxygen/fizz/fizz/protocol/StateMachine.h
• proxygen/fizz/fizz/protocol/StateMachine-inl.h