X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=low-can-binding%2Fcan%2Fcan-bus.cpp;h=11b7770c743cc9398c550ecbaac94b4c183b1d98;hb=9e23caa4c56259044604c38f107f7c637001b846;hp=d773ad35975a5e4b75b5aaa6ae13fa564b2687bd;hpb=2eb313e5330dbfa1b6eab146b3698d8ffe054347;p=apps%2Fagl-service-can-low-level.git diff --git a/low-can-binding/can/can-bus.cpp b/low-can-binding/can/can-bus.cpp index d773ad35..11b7770c 100644 --- a/low-can-binding/can/can-bus.cpp +++ b/low-can-binding/can/can-bus.cpp @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015, 2016 "IoT.bzh" + * Copyright (C) 2015, 2018 "IoT.bzh" * Author "Romain Forlot" * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -27,19 +27,56 @@ #include "can-bus.hpp" -#include "can-signals.hpp" +#include "signals.hpp" #include "can-decoder.hpp" #include "../binding/application.hpp" #include "../utils/signals.hpp" #include "../utils/openxc-utils.hpp" -/// @brief Class constructor +/// @brief Class destructor /// -/// @param[in] conf_file - handle to the json configuration file. -can_bus_t::can_bus_t(utils::config_parser_t conf_file) - : conf_file_{conf_file} +/// @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 +can_bus_t::can_bus_t() {} +/// @brief Fills the CAN device map member with value from device +/// +/// @param[in] mapping configuration section. +void can_bus_t::set_can_devices(json_object *mapping) +{ + if (! mapping) + { + AFB_ERROR("Can't initialize CAN buses with this empty mapping."); + return; + } + + struct json_object_iterator it = json_object_iter_begin(mapping); + struct json_object_iterator end = json_object_iter_end(mapping); + while (! json_object_iter_equal(&it, &end)) { + can_devices_mapping_.push_back(std::make_pair( + json_object_iter_peek_name(&it), + json_object_get_string(json_object_iter_peek_value(&it)) + )); + json_object_iter_next(&it); + } +} + +/// @brief Fills the CAN device map member with given values +/// +/// @param[in] mapping configuration section. +void can_bus_t::set_can_devices(const std::vector >& mapping) +{ + can_devices_mapping_ = mapping; +} + /// @brief Take a decoded message to determine if its value complies with the desired /// filters. /// @@ -71,27 +108,49 @@ bool can_bus_t::apply_filter(const openxc_VehicleMessage& vehicle_message, std:: /// @param[in] can_message - a single CAN message from the CAN socket read, to be decode. /// /// @return How many signals has been decoded. -void can_bus_t::process_can_signals(const can_message_t& can_message, std::map >& s) +void can_bus_t::process_signals(std::shared_ptr message, map_subscription& s) { - int subscription_id = can_message.get_sub_id(); + int subscription_id = message->get_sub_id(); openxc_DynamicField decoded_message; openxc_VehicleMessage vehicle_message; - // First we have to found which can_signal_t it is - std::shared_ptr sig = s[subscription_id]; - if( s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id]->get_event())) { bool send = true; - 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()); + // First we have to found which signal_t it is + std::shared_ptr subscription = s[subscription_id]; + openxc_SimpleMessage s_message; - if(send && apply_filter(vehicle_message, sig)) + // messages + if(subscription->get_message_definition() != nullptr) + { + openxc_DynamicField dynamicField_tmp; + json_object *signal_json_tmp; + decoded_message = build_DynamicField_json(json_object_new_array()); + for(std::shared_ptr sig : subscription->get_message_definition()->get_signals()) + { + signal_json_tmp = json_object_new_object(); + dynamicField_tmp = decoder_t::translate_signal(*sig, message, &send); + json_object_object_add(signal_json_tmp,"name", json_object_new_string(sig->get_name().c_str())); + jsonify_DynamicField(dynamicField_tmp,signal_json_tmp); + if(sig != nullptr && sig->get_unit() != "") + json_object_object_add(signal_json_tmp, "unit", json_object_new_string(sig->get_unit().c_str())); + json_object_array_add(decoded_message.json_value,signal_json_tmp); + } + } + else // signal + { + decoded_message = decoder_t::translate_signal(*subscription->get_signal(), message, &send); + } + + s_message = build_SimpleMessage(subscription->get_name(), decoded_message); + vehicle_message = build_VehicleMessage(s_message, message->get_timestamp()); + + if(send && apply_filter(vehicle_message, subscription)) { std::lock_guard 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.", subscription->get_name().c_str()); } } } @@ -104,13 +163,13 @@ void can_bus_t::process_can_signals(const can_message_t& can_message, std::map >& s) +void can_bus_t::process_diagnostic_signals(diagnostic_manager_t& manager, std::shared_ptr message, map_subscription& s) { - int subscription_id = can_message.get_sub_id(); + int subscription_id = message->get_sub_id(); - openxc_VehicleMessage vehicle_message = manager.find_and_decode_adr(can_message); - if (can_message.get_timestamp()) - {vehicle_message.timestamp = can_message.get_timestamp();} + openxc_VehicleMessage vehicle_message = manager.find_and_decode_adr(message); + if (message->get_timestamp()) + vehicle_message.timestamp = message->get_timestamp(); if( (vehicle_message.has_simple_message && vehicle_message.simple_message.has_name) && s.find(subscription_id) != s.end() && afb_event_is_valid(s[subscription_id]->get_event())) { @@ -145,21 +204,21 @@ void can_bus_t::can_decode_message() new_can_message_cv_.wait(can_message_lock); while(!can_message_q_.empty()) { - const can_message_t can_message = next_can_message(); + std::shared_ptr message = next_can_message(); can_message_lock.unlock(); { std::lock_guard subscribed_signals_lock(sm.get_subscribed_signals_mutex()); - std::map >& s = sm.get_subscribed_signals(); - if(application_t::instance().get_diagnostic_manager().is_diagnostic_response(can_message)) - {process_diagnostic_signals(application_t::instance().get_diagnostic_manager(), can_message, s);} + map_subscription& s = sm.get_subscribed_signals(); + if(application_t::instance().get_diagnostic_manager().is_diagnostic_response(message)) + process_diagnostic_signals(application_t::instance().get_diagnostic_manager(), message, s); else - {process_can_signals(can_message, s);} + process_signals(message, s); } can_message_lock.lock(); } - new_decoded_can_message_.notify_one(); - can_message_lock.unlock(); + new_decoded_can_message_.notify_one(); + can_message_lock.unlock(); } } @@ -180,17 +239,17 @@ void can_bus_t::can_event_push() decoded_can_message_lock.unlock(); { std::lock_guard subscribed_signals_lock(sm.get_subscribed_signals_mutex()); - std::map >& s = sm.get_subscribed_signals(); + map_subscription& s = sm.get_subscribed_signals(); if(s.find(v_message.first) != s.end() && afb_event_is_valid(s[v_message.first]->get_event())) { jo = json_object_new_object(); - jsonify_vehicle(v_message.second, jo); + jsonify_vehicle(v_message.second, s[v_message.first]->get_signal(), jo); if(afb_event_push(s[v_message.first]->get_event(), jo) == 0) { if(v_message.second.has_diagnostic_response) - {on_no_clients(s[v_message.first], v_message.second.diagnostic_response.pid, s);} + on_no_clients(s[v_message.first], v_message.second.diagnostic_response.pid, s); else - {on_no_clients(s[v_message.first], s);} + on_no_clients(s[v_message.first], s); } } } @@ -241,28 +300,28 @@ std::mutex& can_bus_t::get_can_message_mutex() /// @brief Return first can_message_t on the queue /// /// @return a can_message_t -const can_message_t can_bus_t::next_can_message() +std::shared_ptr can_bus_t::next_can_message() { - can_message_t can_msg; + std::shared_ptr msg; if(!can_message_q_.empty()) { - can_msg = can_message_q_.front(); + msg = can_message_q_.front(); can_message_q_.pop(); - AFB_DEBUG("Here is the next can message : id %X, length %X, data %02X%02X%02X%02X%02X%02X%02X%02X", can_msg.get_id(), can_msg.get_length(), - can_msg.get_data()[0], can_msg.get_data()[1], can_msg.get_data()[2], can_msg.get_data()[3], can_msg.get_data()[4], can_msg.get_data()[5], can_msg.get_data()[6], can_msg.get_data()[7]); - return can_msg; + std::string debug = msg->get_debug_message(); + AFB_DEBUG(debug.c_str()); + return msg; } - return can_msg; + return msg; } -/// @brief Push a can_message_t into the queue +/// @brief Push a message_t into the queue /// -/// @param[in] can_msg - the const reference can_message_t object to push into the queue -void can_bus_t::push_new_can_message(const can_message_t& can_msg) +/// @param[in] msg - the const reference message_t object to push into the queue +void can_bus_t::push_new_can_message(std::shared_ptr msg) { - can_message_q_.push(can_msg); + can_message_q_.push(msg); } /// @brief Return first openxc_VehicleMessage on the queue @@ -291,23 +350,6 @@ void can_bus_t::push_new_vehicle_message(int subscription_id, const openxc_Vehic vehicle_message_q_.push(std::make_pair(subscription_id, v_msg)); } -/// @brief Fills the CAN device map member with value from device -/// mapping configuration file read at initialization. -void can_bus_t::set_can_devices() -{ - if(conf_file_.check_conf()) - { - can_devices_mapping_ = conf_file_.get_devices_name(); - - if(can_devices_mapping_.empty()) - { - AFB_ERROR("No mapping found in config file: '%s'. Check it that it have a CANbus-mapping section.", - conf_file_.filepath().c_str()); - } - } -} - - /// @brief Return the CAN device index from the map /// map are sorted so index depend upon alphabetical sorting. int can_bus_t::get_can_device_index(const std::string& bus_name) const