CAN-binder/low-can-binding/utils/signals.cpp

   1 /*
   2  * Copyright (C) 2015, 2016 "IoT.bzh"
   3  * Author "Romain Forlot" <romain.forlot@iot.bzh>
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *       http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include "signals.hpp"
  19
  20 namespace utils
  21 {
  22         /// @brief Return singleton instance of configuration object.
  23         signals_manager_t& signals_manager_t::instance()
  24         {
  25                 static signals_manager_t sm;
  26                 return sm;
  27         }
  28
  29         /// @brief Return Subscribed signals map mutex.
  30         std::mutex& signals_manager_t::get_subscribed_signals_mutex()
  31         {
  32                 return subscribed_signals_mutex_;
  33         }
  34
  35         ///
  36         /// @brief return the subscribed_signals map.
  37         ///
  38         /// @return Map of subscribed signals.
  39         std::map<std::string, struct afb_event>& signals_manager_t::get_subscribed_signals()
  40         {
  41                 return subscribed_signals_;
  42         }
  43
  44         ///
  45         /// @fn std::vector<std::string> find_signals(const openxc_DynamicField &key)
  46         /// @brief return signals name found searching through CAN_signals and OBD2 pid
  47         ///
  48         /// @param[in] key : can contain numeric or string value in order to search against
  49         ///   can signals or obd2 signals name.
  50         ///
  51         /// @return Vector of signals name found.
  52         ///
  53         struct signals_found signals_manager_t::find_signals(const openxc_DynamicField &key)
  54         {
  55                 struct signals_found sf;
  56
  57                 switch(key.type)
  58                 {
  59                         case openxc_DynamicField_Type::openxc_DynamicField_Type_STRING:
  60                                         lookup_signals_by_name(key.string_value, configuration_t::instance().get_can_signals(), sf.can_signals);
  61                                         lookup_signals_by_name(key.string_value, configuration_t::instance().get_diagnostic_messages(), sf.diagnostic_messages);
  62                                 break;
  63                         case openxc_DynamicField_Type::openxc_DynamicField_Type_NUM:
  64                                         lookup_signals_by_id(key.numeric_value, configuration_t::instance().get_can_signals(), sf.can_signals);
  65                                         lookup_signals_by_id(key.numeric_value, configuration_t::instance().get_diagnostic_messages(), sf.diagnostic_messages);
  66                                 break;
  67                         default:
  68                                 ERROR(binder_interface, "find_signals: wrong openxc_DynamicField specified. Use openxc_DynamicField_Type_NUM or openxc_DynamicField_Type_STRING type only.");
  69                                 break;
  70                 }
  71                 DEBUG(binder_interface, "find_signals: Found %d signal(s)", (int)(sf.can_signals.size() + sf.diagnostic_messages.size()));
  72                 return sf;
  73         }
  74 }