Smalls improvements
[apps/agl-service-can-low-level.git] / low-can-binding / can / can-bus.cpp
index 9a98547..e798618 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Copyright (C) 2015, 2018 "IoT.bzh"
  * Author "Romain Forlot" <romain.forlot@iot.bzh>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
 #include "../utils/signals.hpp"
 #include "../utils/openxc-utils.hpp"
 
+/// @brief Class destructor
+///
+/// @param[in] conf_file - Stop threads and unlock them to correctly finish them
+/// even without any activity on the CAN bus.
+can_bus_t::~can_bus_t()
+{
+       stop_threads();
+       new_can_message_cv_.notify_one();
+}
+
 /// @brief Class constructor
 ///
 /// @param[in] conf_file - handle to the json configuration file.
@@ -40,10 +50,10 @@ can_bus_t::can_bus_t(utils::config_parser_t conf_file)
        : conf_file_{conf_file}
 {}
 
-/// @brief Take a decoded message to determine if its value comply with the wanted
-/// filtering values.
+/// @brief Take a decoded message to determine if its value complies with the desired
+/// filters.
 ///
-/// @param[in] vehicle_message - A decoded message to analyze
+/// @param[in] vehicle_message - The decoded message to be analyzed.
 /// @param[in] can_subscription - the subscription which will be notified depending
 ///  on its filtering values. Filtering values are stored in the event_filtermember.
 ///
@@ -53,8 +63,8 @@ bool can_bus_t::apply_filter(const openxc_VehicleMessage& vehicle_message, std::
        bool send = false;
        if(is_valid(vehicle_message))
        {
-               float min = std::isnan(can_subscription->get_min()) ? -INFINITY : can_subscription->get_min();
-               float max = std::isnan(can_subscription->get_max()) ? INFINITY : can_subscription->get_max();
+               float min = can_subscription->get_min();
+               float max = can_subscription->get_max();
                double value = get_numerical_from_DynamicField(vehicle_message);
                send = (value < min || value > max) ? false : true;
        }
@@ -77,12 +87,12 @@ void can_bus_t::process_can_signals(const can_message_t& can_message, std::map<i
        openxc_DynamicField decoded_message;
        openxc_VehicleMessage vehicle_message;
 
-       // First we have to found which can_signal_t it is
-       std::shared_ptr<low_can_subscription_t> sig = s[subscription_id];
-
        if( s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id]->get_event()))
        {
                bool send = true;
+               // First we have to found which can_signal_t it is
+               std::shared_ptr<low_can_subscription_t> sig = s[subscription_id];
+
                decoded_message = decoder_t::translate_signal(*sig->get_can_signal(), can_message, &send);
                openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
                vehicle_message = build_VehicleMessage(s_message, can_message.get_timestamp());
@@ -91,7 +101,7 @@ void can_bus_t::process_can_signals(const can_message_t& can_message, std::map<i
                {
                        std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
                        push_new_vehicle_message(subscription_id, vehicle_message);
-                       AFB_DEBUG("%s CAN signals processed.",  sig->get_name().c_str());
+                       AFB_DEBUG("%s CAN signals processed.", sig->get_name().c_str());
                }
        }
 }
@@ -158,8 +168,8 @@ void can_bus_t::can_decode_message()
                        }
                        can_message_lock.lock();
                }
-       new_decoded_can_message_.notify_one();
-       can_message_lock.unlock();
+               new_decoded_can_message_.notify_one();
+               can_message_lock.unlock();
        }
 }