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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <vector>
#include <string>
#include <fnmatch.h>
#include "openxc.pb.h"
#include "../binding/application.hpp"
#include "../can/can-signals.hpp"
#include "../diagnostic/diagnostic-message.hpp"
#include "../binding/low-can-hat.hpp"
#include "../binding/low-can-subscription.hpp"
namespace utils
{
struct signals_found
{
std::vector<std::shared_ptr<can_signal_t> > can_signals;
std::vector<std::shared_ptr<diagnostic_message_t> > diagnostic_messages;
};
/// @brief Signal manager singleton hold subscription object with attached afb_event and its mutex
/// to read and write it safely.
/// It can be used to browse CAN signals and Diagnostic messages vectors and find a particular signal to
/// subscribe to.
class signals_manager_t
{
private:
std::mutex subscribed_signals_mutex_;
std::map<int, std::shared_ptr<low_can_subscription_t> > subscribed_signals_; ///< Map containing all subscribed signals, key is the socket int value.
signals_manager_t(); ///< Private constructor to make singleton class.
public:
static signals_manager_t& instance();
std::mutex& get_subscribed_signals_mutex();
std::map<int, std::shared_ptr<low_can_subscription_t> >& get_subscribed_signals();
struct signals_found find_signals(const openxc_DynamicField &key);
void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<std::shared_ptr<diagnostic_message_t> >& found_signals);
void find_can_signals(const openxc_DynamicField &key, std::vector<std::shared_ptr<can_signal_t> >& found_signals);
template <typename T>
void lookup_signals_by_name(const std::string& key, std::vector<std::shared_ptr<T> > signals, std::vector<std::shared_ptr<T> >& found_signals)
{
for(std::shared_ptr<T> s : signals)
{
if(::fnmatch(key.c_str(), s->get_generic_name().c_str(), FNM_CASEFOLD) == 0)
found_signals.push_back(s);
else if(::fnmatch(key.c_str(), s->get_name().c_str(), FNM_CASEFOLD) == 0)
found_signals.push_back(s);
}
}
template <typename T>
void lookup_signals_by_id(const double key, std::vector<std::shared_ptr<T> > signals, std::vector<std::shared_ptr<T> >& found_signals)
{
for(std::shared_ptr<T> s : signals)
{
if(application_t::instance().get_signal_id(*s) == key)
{
found_signals.push_back(s);
}
}
}
};
}
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