#include <mutex>
#include <vector>
#include <thread>
+#include <time.h>
#include <linux/can.h>
#include <json-c/json.h>
#include <systemd/sd-event.h>
#include "openxc.pb.h"
+#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 "obd2/obd2-signals.hpp"
#include "utils/openxc-utils.hpp"
extern "C"
// Interface between the daemon and the binding
const struct afb_binding_interface *binder_interface;
-configuration_t *config;
/********************************************************************************
*
return 1;
}
+static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig, DiagnosticRequest* diag_req, int frequency)
+{
+ int ret;
+ sd_event_source *source;
+
+ std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex());
+ std::map<std::string, struct afb_event>& s = get_subscribed_signals();
+ if (s.find(sig) != s.end() && !afb_event_is_valid(s[sig]))
+ {
+ if(!subscribe)
+ {
+ NOTICE(binder_interface, "Event isn't valid, it can't be unsubscribed.");
+ ret = -1;
+ }
+ else
+ {
+ /* Event it isn't valid anymore, recreate it */
+ sd_event_add_time(afb_daemon_get_event_loop(binder_interface->daemon), &source, CLOCK_MONOTONIC, frequency, 0,
+ configuration_t::instance().get_diagnostic_manager().send_request, diag_req);
+ ret = create_event_handle(sig, s);
+ }
+ }
+ else
+ {
+ /* Event doesn't exist , so let's create it */
+ struct afb_event empty_event = {nullptr, nullptr};
+ subscribed_signals[sig] = empty_event;
+ ret = create_event_handle(sig, s);
+ }
+
+ /* Check whether or not the event handler has been correctly created and
+ * make the subscription/unsubscription operation is so.
+ */
+ if (ret <= 0)
+ return ret;
+ return make_subscription_unsubscription(request, sig, s, subscribe);
+}
+
static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig)
{
int ret;
}
/**
- * @fn static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector<CanSignal>& signals)
+ * @fn static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::vector<can_signal_t>& 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] CanSignal vector with CanSignal to subscribe
+ * @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<std::string>& signals)
{
int rets = 0;
+ //TODO: Implement way to dynamically call the right function no matter
+ // how much signals types we have.
+ const std::string& can_prefix = configuration_t::instance().get_can_signals().front().get_prefix();
+ const std::string& obd2_prefix = configuration_t::instance().get_obd2_signals().front().get_prefix();
- for(auto& sig : signals)
+ for(const std::string& sig : signals)
{
- int ret = subscribe_unsubscribe_signal(request, subscribe, sig);
+ int ret;
+ if (sig.find_first_of(can_prefix.c_str(), 0, can_prefix.size()))
+ ret = subscribe_unsubscribe_signal(request, subscribe, sig);
+ else if (sig.find_first_of(obd2_prefix.c_str(), 0, obd2_prefix.size()))
+ {
+ std::vector<obd2_signal_t*> found;
+ configuration_t::instance().find_obd2_signals(build_DynamicField(sig), found);
+ int frequency = found.front()->get_frequency();
+ DiagnosticRequest* diag_req = new DiagnosticRequest(found.front()->build_diagnostic_request());
+ configuration_t::instance().get_diagnostic_manager().add_recurring_request(
+ diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, nullptr, (float)frequency);
+ //TODO: Adding callback requesting ignition status: diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, obd2_signal_t::check_ignition_status, frequency);
+ ret = subscribe_unsubscribe_signal(request, subscribe, sig, diag_req,frequency);
+ }
+ else
+ ret = -1;
+
if(ret <= 0)
return ret;
rets++;
*/
int afbBindingV1ServiceInit(struct afb_service service)
{
- config = new configuration_t();
+ can_bus_t& can_bus_manager = configuration_t::instance().get_can_bus_manager();
- can_bus_t can_bus_manager = config->get_can_bus_manager();
-
- /* Open CAN socket */
+ /// Initialize CAN socket
if(can_bus_manager.init_can_dev() == 0)
{
can_bus_manager.start_threads();
return 0;
}
+ /// Initialize Diagnostic manager that will handle obd2 requests
+ diagnostic_manager_t& diag_manager = configuration_t::instance().get_diagnostic_manager();
+ diag_manager.initialize(can_bus_manager.get_can_devices().front());
+
ERROR(binder_interface, "There was something wrong with CAN device Initialization. Check your config file maybe");
return 1;
}