src/can_event_push.cpp

   1 /*
   2  * Copyright (C) 2015, 2016 "IoT.bzh"
   3  * Author "Romain Forlot" <romain.forlot@iot.bzh>
   4  * Author "Loic Collignon" <loic.collignon@iot.bzh>
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *       http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #include "can_event_push.hpp"
  20
  21 #include "can-utils.hpp"
  22 #include "can-signals.hpp"
  23 #include "openxc-utils.hpp"
  24
  25 #include "can_decode_message.hpp"
  26
  27 void can_event_push(can_bus_t& can_bus)
  28 {
  29         openxc_VehicleMessage v_message;
  30         openxc_SimpleMessage s_message;
  31         json_object* jo;
  32
  33         while(can_bus.has_vehicle_message())
  34         {
  35                 std::unique_lock<std::mutex> decoded_can_message_lock(decoded_can_message_mutex);
  36                 new_decoded_can_message.wait(decoded_can_message_lock);
  37                         v_message = can_bus.next_vehicle_message();
  38                 decoded_can_message_mutex.unlock();
  39
  40                 s_message = get_simple_message(v_message);
  41
  42                 std::lock_guard<std::mutex> push_signal_lock(subscribed_signals_mutex);
  43                         std::map<std::string, struct afb_event> subscribed_signals = get_subscribed_signals();
  44                         const auto& it_event = subscribed_signals.find(s_message.name);
  45                         if(it_event != subscribed_signals.end() && afb_event_is_valid(it_event->second))
  46                         {
  47                                 jo = json_object_new_object();
  48                                 jsonify_simple(s_message, jo);
  49                                 afb_event_push(it_event->second, jo);
  50                         }
  51                 subscribed_signals_mutex.unlock();
  52                 update_subscrided_signals.notify_one();
  53         }
  54 }