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obfs, fsm: Add state machine executor

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revsic
2019-02-25 14:55:32 +09:00
parent 8c23e5e6cd
commit 8991de23fd
2 changed files with 54 additions and 15 deletions
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obfuscator.hpp
+27 -8
View File
@@ -128,6 +128,30 @@ namespace obfs {
using next = typename First<Next<None, State>, act<Nexts, Event>...>::type;
};
template <typename Machine, typename... Events>
struct MachineExecutor;
template <typename Machine, typename Event, typename... Others>
struct MachineExecutor<Machine, Event, Others...> {
using next = typename Machine::template next<Event>;
using next_s = typename Machine::template next_s<Event>;
constexpr static void run() {
if (next::action()) {
return;
}
MachineExecutor<next_s, Others...>::run();
}
};
template <typename Machine, typename Event>
struct MachineExecutor<Machine, Event> {
using next = typename Machine::template next<Event>;
constexpr static void run() {
next::action();
}
};
template <typename State, typename... Specs>
struct StateMachine {
template <typename ST>
@@ -142,15 +166,10 @@ namespace obfs {
template <typename Event>
using next_s = StateMachine<typename next<Event>::state, Specs...>;
template <typename Event, typename... Others>
template <typename... Events>
constexpr static void run() {
if (next<Event>::action()) {
return;
}
if constexpr (sizeof...(Others) > 0) {
next_s<Event>::template run<Others...>();
}
using self = StateMachine<State, Specs...>;
MachineExecutor<self, Events...>::run();
}
};
}
obfuscator/obfs/fsm.hpp
+27 -7
View File
@@ -47,6 +47,30 @@ namespace obfs {
using next = typename First<Next<None, State>, act<Nexts, Event>...>::type;
};
template <typename Machine, typename... Events>
struct MachineExecutor;
template <typename Machine, typename Event, typename... Others>
struct MachineExecutor<Machine, Event, Others...> {
using next = typename Machine::template next<Event>;
using next_s = typename Machine::template next_s<Event>;
constexpr static void run() {
if (next::action()) {
return;
}
MachineExecutor<next_s, Others...>::run();
}
};
template <typename Machine, typename Event>
struct MachineExecutor<Machine, Event> {
using next = typename Machine::template next<Event>;
constexpr static void run() {
next::action();
}
};
template <typename State, typename... Specs>
struct StateMachine {
template <typename ST>
@@ -61,14 +85,10 @@ namespace obfs {
template <typename Event>
using next_s = StateMachine<typename next<Event>::state, Specs...>;
template <typename Event, typename... Others>
template <typename... Events>
constexpr static void run() {
if (next<Event>::action()) {
return;
}
if constexpr (sizeof...(Others) > 0) {
next_s<Event>::template run<Others...>();
}
using self = StateMachine<State, Specs...>;
MachineExecutor<self, Events...>::run();
}
};
}