X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Flow-can-binding.cpp;h=2b04fa8410c94d4e4cb18d41382c50eb9f264f00;hb=11896f4d36c4c5c81cf86e8356eb5b3777272f4b;hp=24d145753ebb1f613e2804a34b6060d48ae5afb6;hpb=ca998f6733e3de11886ac6c3ee6525dbaaf3b525;p=apps%2Fagl-service-can-low-level.git diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp index 24d14575..2b04fa84 100644 --- a/src/low-can-binding.cpp +++ b/src/low-can-binding.cpp @@ -18,89 +18,87 @@ #include "low-can-binding.hpp" +#include #include #include #include #include -#include +#include #include #include -#include -#include "timer.hpp" #include "openxc.pb.h" -#include "can-bus.hpp" -#include "can-signals.hpp" -#include "can-message.hpp" -#include "openxc-utils.hpp" +#include "configuration.hpp" +#include "can/can-bus.hpp" +#include "can/can-signals.hpp" +#include "can/can-message.hpp" +#include "utils/timer.hpp" +#include "utils/signals.hpp" +#include "diagnostic/diagnostic-message.hpp" +#include "utils/openxc-utils.hpp" extern "C" { #include }; -/* - * Interface between the daemon and the binding - */ +// Interface between the daemon and the binding const struct afb_binding_interface *binder_interface; -can_bus_t *can_bus_handler; - /******************************************************************************** * * Subscription and unsubscription * *********************************************************************************/ -static int make_subscription_unsubscription(struct afb_req request, std::map::iterator& ss_i, bool subscribe) +static int make_subscription_unsubscription(struct afb_req request, const std::string& sig_name, std::map& s, bool subscribe) { /* Make the subscription or unsubscription to the event */ - if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, ss_i->second)) < 0) + if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[sig_name])) < 0) { - ERROR(binder_interface, "Operation goes wrong for signal: %s", ss_i->first); + ERROR(binder_interface, "make_subscription_unsubscription: Operation goes wrong for signal: %s", sig_name.c_str()); return 0; } return 1; } -static int create_event_handle(std::map::iterator& ss_i) +static int create_event_handle(const std::string& sig_name, std::map& s) { - ss_i->second = afb_daemon_make_event(binder_interface->daemon, ss_i->first.c_str()); - if (!afb_event_is_valid(ss_i->second)) + s[sig_name] = afb_daemon_make_event(binder_interface->daemon, sig_name.c_str()); + if (!afb_event_is_valid(s[sig_name])) { - ERROR(binder_interface, "Can't create an event, something goes wrong."); + ERROR(binder_interface, "create_event_handle: Can't create an event for %s, something goes wrong.", sig_name.c_str()); return 0; } - return 1; } -static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const CanSignal& sig) +static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig) { int ret; std::lock_guard subscribed_signals_lock(get_subscribed_signals_mutex()); - auto ss_i = subscribed_signals.find(sig.genericName); - if (ss_i != subscribed_signals.end() && !afb_event_is_valid(ss_i->second)) + std::map& s = get_subscribed_signals(); + if (s.find(sig) != s.end()) { - if(!subscribe) + if (!afb_event_is_valid(s[sig]) && !subscribe) { - NOTICE(binder_interface, "Event isn't valid, it can't be unsubscribed."); + NOTICE(binder_interface, "subscribe_unsubscribe_signal: Event isn't valid, it can't be unsubscribed."); ret = -1; } - else + /*else { - /* Event it isn't valid annymore, recreate it */ - ret = create_event_handle(ss_i); - } + // Event it isn't valid annymore, recreate it + ret = create_event_handle(sig, s); + }*/ } else { - /* Event don't exist , so let's create it */ + /* Event doesn't exist , so let's create it */ struct afb_event empty_event = {nullptr, nullptr}; - auto ss_i = subscribed_signals.insert(std::make_pair(sig.genericName, empty_event)); - ret = create_event_handle(ss_i.first); + subscribed_signals[sig] = empty_event; + ret = create_event_handle(sig, s); } /* Check whether or not the event handler has been correctly created and @@ -108,56 +106,77 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, */ if (ret <= 0) return ret; - return make_subscription_unsubscription(request, ss_i, subscribe); + return make_subscription_unsubscription(request, sig, s, subscribe); } -static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector& signals) +/** + * @fn static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector& signals) + * @brief subscribe to all signals in the vector signals + * + * @param[in] afb_req request : contain original request use to subscribe or unsubscribe + * @param[in] subscribe boolean value used to chose between a subscription operation or an unsubscription + * @param[in] can_signal_t vector with can_signal_t to subscribe + * + * @return Number of correctly subscribed signal + */ +static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector& signals) { - int ret = 0; + int rets = 0; + + //TODO: Implement way to dynamically call the right function no matter + // how much signals types we have. - for(const auto& signal_i : signals) + for(const std::string& sig : signals) { - ret = subscribe_unsubscribe_signal(request, subscribe, signal_i); - if(ret == 0) - return ret; - } - return ret; -} + int ret; + if (active_diagnostic_request_t::is_diagnostic_signal(sig)) + { + std::vector found; + configuration_t::instance().find_diagnostic_messages(build_DynamicField(sig), found); + DiagnosticRequest* diag_req = new DiagnosticRequest(found.front()->build_diagnostic_request()); + + // If the requested diagnostic message isn't supported by the car then unssubcribe. + // no matter what we want, worse case will be a fail unsubscription but at least we don't + // poll a PID for nothing. + if(found.front()->get_supported()) + subscribe = false; + if(subscribe) + { + float frequency = found.front()->get_frequency(); + configuration_t::instance().get_diagnostic_manager().add_recurring_request( + diag_req, sig.c_str(), false, found.front()->get_decoder(), found.front()->get_callback(), (float)frequency); + //TODO: Adding callback requesting ignition status: diag_req, sig.c_str(), false, diagnostic_message_t::decode_obd2_response, diagnostic_message_t::check_ignition_status, frequency); + } + else + { + configuration_t::instance().get_diagnostic_manager().cleanup_request( + configuration_t::instance().get_diagnostic_manager().find_recurring_request(diag_req), true); + } + } -static int subscribe_unsubscribe_all(struct afb_req request, bool subscribe) -{ - int e = 0; + ret = subscribe_unsubscribe_signal(request, subscribe, sig); + if(ret <= 0) + return ret; - //for (const auto& sig : SIGNALS) - // e += !subscribe_unsubscribe_signals(request, subscribe, sig); - e += !subscribe_unsubscribe_signals(request, subscribe, getSignals()); - - return e == 0; + rets++; + DEBUG(binder_interface, "Signal: %s subscribed", sig.c_str()); + } + return rets; } static int subscribe_unsubscribe_name(struct afb_req request, bool subscribe, const char *name) { - std::vector sig; + std::vector signals; int ret = 0; - if (!::strcmp(name, "*")) - ret = subscribe_unsubscribe_all(request, subscribe); - else - { - //if(obd2_handler_c.is_obd2_signal(name)) - if(false) - { - // TODO - } - else - { - openxc_DynamicField search_key = build_DynamicField(name); - sig = find_can_signals(search_key); - if (sig.empty()) - ret = 0; - } - ret = subscribe_unsubscribe_signals(request, subscribe, sig); - } + openxc_DynamicField search_key = build_DynamicField(std::string(name)); + signals = find_signals(search_key); + if (signals.empty()) + ret = 0; + + ret = subscribe_unsubscribe_signals(request, subscribe, signals); + NOTICE(binder_interface, "Subscribed/unsubscribe correctly to %d/%d signal(s).", ret, (int)signals.size()); + return ret; } @@ -169,7 +188,7 @@ static void subscribe_unsubscribe(struct afb_req request, bool subscribe) /* makes the subscription/unsubscription */ args = afb_req_json(request); if (args == NULL || !json_object_object_get_ex(args, "event", &a)) { - ok = subscribe_unsubscribe_all(request, subscribe); + ok = subscribe_unsubscribe_name(request, subscribe, "*"); } else if (json_object_get_type(a) != json_type_array) { ok = subscribe_unsubscribe_name(request, subscribe, json_object_get_string(a)); } else { @@ -226,25 +245,25 @@ extern "C" /** * @brief Initialize the binding. - * + * * @param[in] service Structure which represent the Application Framework Binder. - * + * * @return Exit code, zero if success. */ int afbBindingV1ServiceInit(struct afb_service service) { - int fd_conf; - fd_conf = afb_daemon_rootdir_open_locale(binder_interface->daemon, "can_buses.json", O_RDONLY, NULL); + can_bus_t& can_bus_manager = configuration_t::instance().get_can_bus_manager(); - /* Initialize the CAN bus handler */ - can_bus_handler = new can_bus_t(fd_conf); + /// Initialize CAN socket + if(can_bus_manager.init_can_dev() == 0) + can_bus_manager.start_threads(); - /* Open CAN socket */ - if(can_bus_handler->init_can_dev() == 0) - { - can_bus_handler->start_threads(); + /// Initialize Diagnostic manager that will handle obd2 requests. + /// We pass by default the first CAN bus device to its Initialization. + /// TODO: be able to choose the CAN bus device that will be use as Diagnostic bus. + if(configuration_t::instance().get_diagnostic_manager().initialize()) return 0; - } + ERROR(binder_interface, "There was something wrong with CAN device Initialization. Check your config file maybe"); return 1; }