diagnostic_manager_t::diagnostic_manager_t()
: request_list_entries_(MAX_REQUEST_ENTRIES), initialized_{false}
+{}
+
+bool diagnostic_manager_t::initialize(std::shared_ptr<can_bus_dev_t> cbd)
{
+ // Mandatory to set the bus before intiliaze shims.
+ bus_ = cbd;
+
+ init_diagnostic_shims();
reset();
+
+ initialized_ = true;
+ DEBUG(binder_interface, "initialize: Diagnostic Manager initialized");
+ return initialized_;
+}
+
+/**
+ * @brief initialize shims used by UDS lib and set initialized_ to true.
+ * It is needed before used the diagnostic manager fully because shims are
+ * required by most member functions.
+ */
+void diagnostic_manager_t::init_diagnostic_shims()
+{
+ shims_ = diagnostic_init_shims(shims_logger, shims_send, NULL);
+ DEBUG(binder_interface, "init_diagnostic_shims: Shims initialized");
}
-diagnostic_manager_t::diagnostic_manager_t(can_bus_dev_t& bus)
- : bus_(&bus), request_list_entries_(MAX_REQUEST_ENTRIES), initialized_{false}
+void diagnostic_manager_t::reset()
{
- reset();
+ if(initialized_)
+ {
+ DEBUG(binder_interface, "Clearing existing diagnostic requests");
+ cleanup_active_requests(true);
+ }
+
+ for(int i = 0; i < MAX_SIMULTANEOUS_DIAG_REQUESTS; i++)
+ free_request_entries_.push_back(request_list_entries_[i]);
}
+
void diagnostic_manager_t::find_and_erase(active_diagnostic_request_t* entry, std::vector<active_diagnostic_request_t*>& requests_list)
{
auto i = std::find(requests_list.begin(), requests_list.end(), entry);
/// @brief Note that this pops it off of whichver list it was on and returns it, so make
/// sure to add it to some other list or it'll be lost.
-bool diagnostic_manager_t::lookup_recurring_request(const DiagnosticRequest* request)
+active_diagnostic_request_t* diagnostic_manager_t::find_recurring_request(const DiagnosticRequest* request)
{
- active_diagnostic_request_t existingEntry;
for (auto& entry : recurring_requests_)
{
active_diagnostic_request_t* candidate = entry;
- if(candidate->get_can_bus_dev()->get_device_name() == bus_->get_device_name() &&
- diagnostic_request_equals(&candidate->get_handle()->request, request))
+ if(diagnostic_request_equals(&candidate->get_handle()->request, request))
{
find_and_erase(entry, recurring_requests_);
- return true;
+ return entry;
break;
}
}
- return false;
-}
-
-void diagnostic_manager_t::reset()
-{
- if(initialized_)
- {
- DEBUG(binder_interface, "Clearing existing diagnostic requests");
- cleanup_active_requests(true);
- }
-
- for(int i = 0; i < MAX_SIMULTANEOUS_DIAG_REQUESTS; i++)
- free_request_entries_.push_back(request_list_entries_[i]);
+ return nullptr;
}
-can_bus_dev_t* diagnostic_manager_t::get_can_bus_dev()
+std::shared_ptr<can_bus_dev_t> diagnostic_manager_t::get_can_bus_dev()
{
return bus_;
}
cleanup_active_requests(false);
bool added = true;
- if(lookup_recurring_request(request))
+ if(find_recurring_request(request) == nullptr)
{
active_diagnostic_request_t* entry = get_free_entry();
return added;
}
+bool diagnostic_manager_t::conflicting(active_diagnostic_request_t* request, active_diagnostic_request_t* candidate) const
+{
+ return (candidate->get_in_flight() && candidate != request &&
+ candidate->get_can_bus_dev() == request->get_can_bus_dev() &&
+ candidate->get_id() == request->get_id());
+}
+
+
+/// @brief Returns true if there are no other active requests to the same arbitration ID.
+bool diagnostic_manager_t::clear_to_send(active_diagnostic_request_t* request) const
+{
+ for ( auto entry : non_recurring_requests_)
+ {
+ if(conflicting(request, entry))
+ return false;
+ }
+
+ for ( auto entry : recurring_requests_)
+ {
+ if(conflicting(request, entry))
+ return false;
+ }
+ return true;
+}
+
+int diagnostic_manager_t::send_request(sd_event_source *s, uint64_t usec, void *userdata)
+{
+ diagnostic_manager_t& dm = configuration_t::instance().get_diagnostic_manager();
+ DiagnosticRequest* request = (DiagnosticRequest*)userdata;
+ active_diagnostic_request_t* adr = dm.find_recurring_request(request);
+
+ if(adr != nullptr && adr->get_can_bus_dev() == dm.get_can_bus_dev() && adr->should_send() &&
+ dm.clear_to_send(adr))
+ {
+ DEBUG(binder_interface, "Got active_diagnostic_request from recurring_requests_ queue.");
+ adr->get_frequency_clock().tick();
+ start_diagnostic_request(&dm.get_shims(), adr->get_handle());
+ if(adr->get_handle()->completed && !adr->get_handle()->success)
+ {
+ DEBUG(binder_interface, "Fatal error sending diagnostic request");
+ return 0;
+ }
+ adr->get_timeout_clock().tick();
+ adr->set_in_flight(true);
+ return 1;
+ }
+ return -1;
+}
+
+DiagnosticShims& diagnostic_manager_t::get_shims()
+{
+ return shims_;
+}
+
bool diagnostic_manager_t::shims_send(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size)
{
- can_bus_dev_t *can_bus_dev = configuration_t::instance().get_diagnostic_manager().get_can_bus_dev();
+ std::shared_ptr<can_bus_dev_t> can_bus_dev = configuration_t::instance().get_diagnostic_manager().get_can_bus_dev();
return can_bus_dev->shims_send(arbitration_id, data, size);
}
void diagnostic_manager_t::shims_timer()
{}
-/**
- * @brief initialize shims used by UDS lib and set initialized_ to true.
- * It is needed before used the diagnostic manager fully because shims are
- * required by most member functions.
- */
-void diagnostic_manager_t::init_diagnostic_shims()
-{
- shims_ = diagnostic_init_shims(shims_logger, shims_send, NULL);
- initialized_ = true;
-}
Code Review / apps / low-level-can-service.git / blobdiff