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

   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 #pragma once
  19
  20 #include <vector>
  21 #include <string>
  22 #include <fnmatch.h>
  23
  24 #include "openxc.pb.h"
  25 #include "../configuration.hpp"
  26 #include "../can/can-signals.hpp"
  27 #include "../diagnostic/diagnostic-message.hpp"
  28
  29 #include "../low-can-binding.hpp"
  30
  31 namespace utils
  32 {
  33         struct signals_found
  34         {
  35                 std::vector<can_signal_t*> can_signals;
  36                 std::vector<diagnostic_message_t*> diagnostic_messages;
  37         };
  38
  39         class signals_manager_t
  40         {
  41         private:
  42                 std::mutex subscribed_signals_mutex_;
  43                 std::map<std::string, struct afb_event> subscribed_signals_;
  44
  45                 signals_manager_t(); ///< Private constructor to make singleton class.
  46
  47         public:
  48                 static signals_manager_t& instance();
  49
  50                 std::mutex& get_subscribed_signals_mutex();
  51                 std::map<std::string, struct afb_event>& get_subscribed_signals();
  52
  53                 struct signals_found find_signals(const openxc_DynamicField &key);
  54                 void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<diagnostic_message_t*>& found_signals);
  55                 void find_can_signals(const openxc_DynamicField &key, std::vector<can_signal_t*>& found_signals);
  56
  57                 template <typename T>
  58                 void lookup_signals_by_name(const std::string& key, std::vector<T>& signals, std::vector<T*>& found_signals)
  59                 {
  60                         for(T& s : signals)
  61                         {
  62                                 if(::fnmatch(key.c_str(), s.get_generic_name().c_str(), FNM_CASEFOLD) == 0)
  63                                         found_signals.push_back(&s);
  64                                 else if(::fnmatch(key.c_str(), s.get_name().c_str(), FNM_CASEFOLD) == 0)
  65                                         found_signals.push_back(&s);
  66                         }
  67                 }
  68
  69                 template <typename T>
  70                 void lookup_signals_by_id(const double key, std::vector<T>& signals, std::vector<T*>& found_signals)
  71                 {
  72                         for(T& s : signals)
  73                         {
  74                                 if(configuration_t::instance().get_signal_id(s) == key)
  75                                 {
  76                                         found_signals.push_back(&s);
  77                                 }
  78                         }
  79                 }
  80         };
  81 }