esphome/esphome/components/api/user_services.h
2022-11-24 13:12:55 +13:00

75 lines
2.2 KiB
C++

#pragma once
#include <utility>
#include <vector>
#include "esphome/core/component.h"
#include "esphome/core/automation.h"
#include "api_pb2.h"
namespace esphome {
namespace api {
class UserServiceDescriptor {
public:
virtual ListEntitiesServicesResponse encode_list_service_response() = 0;
virtual bool execute_service(const ExecuteServiceRequest &req) = 0;
};
template<typename T> T get_execute_arg_value(const ExecuteServiceArgument &arg);
template<typename T> enums::ServiceArgType to_service_arg_type();
template<typename... Ts> class UserServiceBase : public UserServiceDescriptor {
public:
UserServiceBase(std::string name, const std::array<std::string, sizeof...(Ts)> &arg_names)
: name_(std::move(name)), arg_names_(arg_names) {
this->key_ = fnv1_hash(this->name_);
}
ListEntitiesServicesResponse encode_list_service_response() override {
ListEntitiesServicesResponse msg;
msg.name = this->name_;
msg.key = this->key_;
std::array<enums::ServiceArgType, sizeof...(Ts)> arg_types = {to_service_arg_type<Ts>()...};
for (int i = 0; i < sizeof...(Ts); i++) {
ListEntitiesServicesArgument arg;
arg.type = arg_types[i];
arg.name = this->arg_names_[i];
msg.args.push_back(arg);
}
return msg;
}
bool execute_service(const ExecuteServiceRequest &req) override {
if (req.key != this->key_)
return false;
if (req.args.size() != this->arg_names_.size())
return false;
this->execute_(req.args, typename gens<sizeof...(Ts)>::type());
return true;
}
protected:
virtual void execute(Ts... x) = 0;
template<int... S> void execute_(std::vector<ExecuteServiceArgument> args, seq<S...> type) {
this->execute((get_execute_arg_value<Ts>(args[S]))...);
}
std::string name_;
uint32_t key_{0};
std::array<std::string, sizeof...(Ts)> arg_names_;
};
template<typename... Ts> class UserServiceTrigger : public UserServiceBase<Ts...>, public Trigger<Ts...> {
public:
UserServiceTrigger(const std::string &name, const std::array<std::string, sizeof...(Ts)> &arg_names)
: UserServiceBase<Ts...>(name, arg_names) {}
protected:
void execute(Ts... x) override { this->trigger(x...); } // NOLINT
};
} // namespace api
} // namespace esphome