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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.
*/
#include "signals.hpp"
/**
* @brief Can signal event map making access to afb_event
* externaly to an openxc existing structure.
*
* @desc Event map is making relation between CanSignal generic name
* and the afb_event struct used by application framework to pushed
* to the subscriber.
*/
std::map<std::string, struct afb_event> subscribed_signals;
/**
* @brief Mutex allowing safe manipulation on subscribed_signals map.
* @desc To ensure that the map object isn't modified when we read it, you
* have to set this mutex before use subscribed_signals map object.
*/
std::mutex subscribed_signals_mutex;
std::mutex& get_subscribed_signals_mutex()
{
return subscribed_signals_mutex;
}
std::map<std::string, struct afb_event>& get_subscribed_signals()
{
return subscribed_signals;
}
/**
* @fn std::vector<std::string> find_signals(const openxc_DynamicField &key)
* @brief return signals name found searching through CAN_signals and OBD2 pid
*
* @param[in] const openxc_DynamicField : can contain numeric or string value in order to search against
* can signals or obd2 signals name.
*
* @return std::vector<std::string> Vector of signals name found.
*/
std::vector<std::string> find_signals(const openxc_DynamicField &key)
{
std::vector<std::string> found_signals_name;
switch(key.type)
{
case openxc_DynamicField_Type::openxc_DynamicField_Type_STRING:
lookup_signals_by_name(key.string_value, get_can_signals(), found_signals_name);
lookup_signals_by_name(key.string_value, get_obd2_signals(), found_signals_name);
break;
case openxc_DynamicField_Type::openxc_DynamicField_Type_NUM:
lookup_signals_by_id(key.numeric_value, get_can_signals(), found_signals_name);
lookup_signals_by_id(key.numeric_value, get_obd2_signals(), found_signals_name);
break;
default:
ERROR(binder_interface, "find_signals: wrong openxc_DynamicField specified. Use openxc_DynamicField_Type_NUM or openxc_DynamicField_Type_STRING type only.");
break;
}
DEBUG(binder_interface, "Found %d signal(s)", (int)found_signals_name.size());
return found_signals_name;
}
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