Implement check of supported diagnostic PID.
[apps/low-level-can-service.git] / src / diagnostic / diagnostic-manager.hpp
index bb12f6b..60b8dec 100644 (file)
 
 #pragma once
 
+#include <systemd/sd-event.h>
+#include <map>
 #include <vector>
 
 #include "uds/uds.h"
-#include "can/can-bus-dev.hpp"
-#include "can/can-message.hpp"
-#include "obd2/active-diagnostic-request.hpp"
+#include "openxc.pb.h"
+#include "../can/can-bus-dev.hpp"
+#include "../can/can-message.hpp"
+#include "active-diagnostic-request.hpp"
 
-#include "low-can-binding.hpp"
+#include "../low-can-binding.hpp"
 
 /* Private: Each CAN bus needs its own set of shim functions, so this should
  * match the maximum CAN controller count.
  */
 #define MAX_SHIM_COUNT can_bus_t.get_can_devices().size()
+#define DIAGNOSTIC_RESPONSE_ARBITRATION_ID_OFFSET 0x8
+
+class active_diagnostic_request_t;
 
 /**
  * @brief The core structure for running the diagnostics module on the VI.
@@ -44,39 +50,53 @@ protected:
        static void shims_timer();
 
 private:
-       DiagnosticShims shims_; /*!< shims_ - An array of shim functions for each CAN bus that plug the diagnostics
-                                                        * library (uds-c) into the VI's CAN peripheral.*/
-       can_bus_dev_t* bus_; /*!< bus_ - A pointer to the CAN bus that should be used for all standard OBD-II requests, if the bus is not
-                                                 * explicitly spcified in the request. If NULL, all requests require an explicit bus.*/
-       std::queue<active_diagnostic_request_t> recurring_requests_; /*!< recurringRequests - A queue of active, recurring diagnostic requests. When
-                                                                                                                                 * a response is received for a recurring request or it times out, it is
-                                                                                                                                 * popped from the queue and pushed onto the back. */
-       std::vector<active_diagnostic_request_t> non_recurring_requests_; /*!< nonrecurringRequests - A list of active one-time diagnostic requests. When a
-                                                                                                                                          * response is received for a non-recurring request or it times out, it is
-                                                                                                                                          * removed from this list and placed back in the free list.*/
-       std::vector<active_diagnostic_request_t> free_request_entries_; /*!< freeRequestEntries - A list of all available slots for active diagnostic
-                                                                                                                                        * requests. This free list is backed by statically allocated entries in
-                                                                                                                                        * the requestListEntries attribute.*/
-       std::vector<active_diagnostic_request_t> request_list_entries_ /*!< requestListEntries - Static allocation for all active diagnostic requests.*/
-
+       DiagnosticShims shims_; /*!< shims_ - A map of shim functions for each CAN bus that plug the diagnostics
+                                                                                                       * library (uds-c) into the VI's CAN peripheral.*/
+       std::string bus_; /*!< bus_ - A pointer to the CAN bus that should be used for all standard OBD-II requests, if the bus is not
+                                                 * explicitly spcified in the request. Default to the first bus CAN at initialization.*/
+       std::vector<active_diagnostic_request_t*> recurring_requests_; /*!< recurringRequests - A list of active recurring diagnostic requests.*/
+       std::vector<active_diagnostic_request_t*> non_recurring_requests_; /*!< nonrecurringRequests - A list of active one-time diagnostic requests. When a
+                                                                                                                                          * response is received for a non-recurring request or it times out, it is removed*/
        bool initialized_; /*!< * initialized - True if the DiagnosticsManager has been initialized with shims. It will interface with the uds-c lib*/
 
+       void init_diagnostic_shims();
+       void reset();
 public:
        diagnostic_manager_t();
-       diagnostic_manager_t(can_bus_dev_t& bus);
 
-       void init_diagnostic_shims();
+       bool initialize();
 
-       can_bus_dev_t* get_can_bus_dev();
+       std::shared_ptr<can_bus_dev_t> get_can_bus_dev();
+       DiagnosticShims& get_shims();
+
+       void find_and_erase(active_diagnostic_request_t* entry, std::vector<active_diagnostic_request_t*>& requests_list);
+       void cancel_request(active_diagnostic_request_t* entry);
+       void cleanup_request(active_diagnostic_request_t* entry, bool force);
+       void cleanup_active_requests(bool force);
+       active_diagnostic_request_t* find_recurring_request(const DiagnosticRequest* request);
+
+       bool validate_optional_request_attributes(float frequencyHz);
 
        void checkSupportedPids(const active_diagnostic_request_t& request,
-       const DiagnosticResponse& response, float parsedPayload);
+               const DiagnosticResponse& response, float parsedPayload);
 
-       bool addRecurringRequest(DiagnosticRequest* request, const char* name,
+       // Subscription parts
+       bool add_request(DiagnosticRequest* request, const std::string name,
+               bool waitForMultipleResponses, const DiagnosticResponseDecoder decoder,
+               const DiagnosticResponseCallback callback);
+       bool add_recurring_request(DiagnosticRequest* request, const char* name,
                bool waitForMultipleResponses, const DiagnosticResponseDecoder decoder,
                const DiagnosticResponseCallback callback, float frequencyHz);
 
-       void reset();
+       // Sendig requests part
+       bool conflicting(active_diagnostic_request_t* request, active_diagnostic_request_t* candidate) const;
+       bool clear_to_send(active_diagnostic_request_t* request) const;
+       static int send_request(sd_event_source *s, uint64_t usec, void *userdata);
+
+       // Decoding part
+       openxc_VehicleMessage relay_diagnostic_response(active_diagnostic_request_t* adr, const DiagnosticResponse& response);
+       openxc_VehicleMessage relay_diagnostic_handle(active_diagnostic_request_t* entry, const can_message_t& cm);
+       openxc_VehicleMessage find_and_decode_adr(const can_message_t& cm);
+       bool is_diagnostic_response(const can_message_t& cm);
 
-       void add_request(int pid);
 };