76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/*
|
|
This file is part of the Arduino_RPClite library.
|
|
|
|
Copyright (c) 2025 Arduino SA
|
|
|
|
This Source Code Form is subject to the terms of the Mozilla Public
|
|
License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
*/
|
|
|
|
#ifndef RPCLITE_DISPATCHER_H
|
|
#define RPCLITE_DISPATCHER_H
|
|
|
|
#include "wrapper.h"
|
|
#include "error.h"
|
|
|
|
struct DispatchEntry {
|
|
MsgPack::str_t name;
|
|
MsgPack::str_t tag;
|
|
IFunctionWrapper* fn;
|
|
};
|
|
|
|
template<size_t N>
|
|
class RpcFunctionDispatcher {
|
|
public:
|
|
|
|
RpcFunctionDispatcher() = default;
|
|
|
|
template<typename F>
|
|
bool bind(MsgPack::str_t name, F&& f, MsgPack::str_t tag="") {
|
|
if (_count >= N) return false;
|
|
|
|
if (isBound(name)) return false;
|
|
|
|
_entries[_count++] = {name, tag, wrap(std::forward<F>(f))};
|
|
return true;
|
|
}
|
|
|
|
bool isBound(const MsgPack::str_t& name) const {
|
|
for (size_t i = 0; i < _count; ++i) {
|
|
if (_entries[i].name == name) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool hasTag(const MsgPack::str_t& name, MsgPack::str_t& tag) const {
|
|
for (size_t i = 0; i < _count; ++i) {
|
|
if (_entries[i].name == name && _entries[i].tag == tag) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool call(const MsgPack::str_t& name, MsgPack::Unpacker& unpacker, MsgPack::Packer& packer) {
|
|
for (size_t i = 0; i < _count; ++i) {
|
|
if (_entries[i].name == name) {
|
|
return (*_entries[i].fn)(unpacker, packer);
|
|
}
|
|
}
|
|
|
|
// handler not found
|
|
MsgPack::object::nil_t nil;
|
|
packer.serialize(RpcError(FUNCTION_NOT_FOUND_ERR, name), nil);
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
DispatchEntry _entries[N];
|
|
size_t _count = 0;
|
|
};
|
|
|
|
#endif |