diff options
Diffstat (limited to 'src/diagnostic/diagnostic-manager.cpp')
| -rw-r--r-- | src/diagnostic/diagnostic-manager.cpp | 214 |
1 files changed, 204 insertions, 10 deletions
diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 547b087..0b59809 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -22,17 +22,215 @@ #include "uds/uds.h" #include "../configuration.hpp" +#define MAX_RECURRING_DIAGNOSTIC_FREQUENCY_HZ 10 +#define MAX_SIMULTANEOUS_DIAG_REQUESTS 50 #define MAX_REQUEST_ENTRIES 50 diagnostic_manager_t::diagnostic_manager_t() - : request_list_entries_(MAX_REQUEST_ENTRIES, active_diagnostic_request_t()) -{} + : request_list_entries_(MAX_REQUEST_ENTRIES), initialized_{false} +{ + reset(); +} diagnostic_manager_t::diagnostic_manager_t(can_bus_dev_t& bus) - : bus_(&bus), request_list_entries_(MAX_REQUEST_ENTRIES, active_diagnostic_request_t()) -{} + : bus_(&bus), request_list_entries_(MAX_REQUEST_ENTRIES), initialized_{false} +{ + reset(); +} + +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); + if ( i != requests_list.end()) + requests_list.erase(i); +} + +/// Move the entry to the free list and decrement the lock count for any +/// CAN filters it used. +void diagnostic_manager_t::cancel_request(active_diagnostic_request_t& entry) +{ + free_request_entries_.push_back(entry); + /* TODO: implement acceptance filters. + if(entry.arbitration_id_ == OBD2_FUNCTIONAL_BROADCAST_ID) { + for(uint32_t filter = OBD2_FUNCTIONAL_RESPONSE_START; + filter < OBD2_FUNCTIONAL_RESPONSE_START + + OBD2_FUNCTIONAL_RESPONSE_COUNT; + filter++) { + removeAcceptanceFilter(entry.bus_, filter, + CanMessageFormat::STANDARD, getCanBuses(), + getCanBusCount()); + } + } else { + removeAcceptanceFilter(entry.bus_, + entry.arbitration_id_ + + DIAGNOSTIC_RESPONSE_ARBITRATION_ID_OFFSET, + CanMessageFormat::STANDARD, getCanBuses(), getCanBusCount()); + }*/ +} + +void diagnostic_manager_t::cleanup_request(active_diagnostic_request_t& entry, bool force) +{ + if(force || (entry.get_in_flight() && entry.request_completed())) + { + entry.set_in_flight(false); + + char request_string[128] = {0}; + diagnostic_request_to_string(&entry.get_handle().request, + request_string, sizeof(request_string)); + if(entry.get_recurring()) + { + find_and_erase(entry, recurring_requests_); + if(force) + cancel_request(entry); + else + { + DEBUG(binder_interface, "Moving completed recurring request to the back of the queue: %s", request_string); + recurring_requests_.push_back(entry); + } + } + else + { + DEBUG(binder_interface, "Cancelling completed, non-recurring request: %s", request_string); + find_and_erase(entry, non_recurring_requests_); + cancel_request(entry); + } + } +} + +/// @brief Clean up the request list, move as many to the free list as possible +void diagnostic_manager_t::cleanup_active_requests(bool force) +{ + for(auto& entry : non_recurring_requests_) + cleanup_request(entry, force); + + for(auto& entry : recurring_requests_) + cleanup_request(entry, force); +} + +/// @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 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)) + { + find_and_erase(entry, recurring_requests_); + //existingEntry = entry; + return true; + 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]); +} + +can_bus_dev_t* diagnostic_manager_t::get_can_bus_dev() +{ + return bus_; +} + +active_diagnostic_request_t& diagnostic_manager_t::get_free_entry() +{ + //FIXME: Test against empty vector + //if (request_list_entries_.empty()) + // return; + + active_diagnostic_request_t& adr = request_list_entries_.back(); + request_list_entries_.pop_back(); + return adr; +} + +bool diagnostic_manager_t::add_request(DiagnosticRequest* request, const std::string name, + bool wait_for_multiple_responses, const DiagnosticResponseDecoder decoder, + const DiagnosticResponseCallback callback) +{ + cleanup_active_requests(false); + + bool added = true; + active_diagnostic_request_t& entry = get_free_entry(); + + // TODO: implement Acceptance Filter + // if(updateRequiredAcceptanceFilters(bus, request)) { + entry = active_diagnostic_request_t(bus_, request, name, + wait_for_multiple_responses, decoder, callback, 0); + entry.set_handle(shims_, request); + + char request_string[128] = {0}; + diagnostic_request_to_string(&entry.get_handle().request, request_string, + sizeof(request_string)); + + find_and_erase(entry, non_recurring_requests_); + DEBUG(binder_interface, "Added one-time diagnostic request on bus %s: %s", + bus_->get_device_name(), request_string); + + non_recurring_requests_.push_back(entry); + + return added; +} -bool shims_send(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size) +bool diagnostic_manager_t::validate_optional_request_attributes(float frequencyHz) +{ + if(frequencyHz > MAX_RECURRING_DIAGNOSTIC_FREQUENCY_HZ) { + DEBUG(binder_interface, "Requested recurring diagnostic frequency %d is higher than maximum of %d", + frequencyHz, MAX_RECURRING_DIAGNOSTIC_FREQUENCY_HZ); + return false; + } + return true; +} + +bool diagnostic_manager_t::add_recurring_request(DiagnosticRequest* request, const char* name, + bool wait_for_multiple_responses, const DiagnosticResponseDecoder decoder, + const DiagnosticResponseCallback callback, float frequencyHz) +{ + if(!validate_optional_request_attributes(frequencyHz)) + return false; + + cleanup_active_requests(false); + + bool added = true; + if(lookup_recurring_request(request)) + { + active_diagnostic_request_t& entry = get_free_entry(); + // TODO: implement Acceptance Filter + //if(updateRequiredAcceptanceFilters(bus, request)) { + entry = active_diagnostic_request_t(bus_, request, name, + wait_for_multiple_responses, decoder, callback, frequencyHz); + entry.set_handle(shims_, request); + + char request_string[128] = {0}; + diagnostic_request_to_string(&entry.get_handle().request, request_string, + sizeof(request_string)); + + find_and_erase(entry, recurring_requests_); + DEBUG(binder_interface, "Added recurring diagnostic request (freq: %f) on bus %d: %s", + frequencyHz, bus_->get_device_name(), request_string); + + recurring_requests_.push_back(entry); + } + else + { + DEBUG(binder_interface, "Can't add request, one already exists with same key"); + added = false; + } + return added; +} + +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 = config->get_diagnostic_manager().get_can_bus_dev(); return can_bus_dev->shims_send(arbitration_id, data, size); @@ -46,10 +244,6 @@ void diagnostic_manager_t::shims_logger(const char* m, ...) void diagnostic_manager_t::shims_timer() {} -can_bus_dev_t* diagnostic_manager_t::get_can_bus_dev() -{ - return bus_; -} /** * @brief initialize shims used by UDS lib and set initialized_ to true. * It is needed before used the diagnostic manager fully because shims are @@ -57,6 +251,6 @@ can_bus_dev_t* diagnostic_manager_t::get_can_bus_dev() */ void diagnostic_manager_t::init_diagnostic_shims() { - DiagnosticShims shims_ = diagnostic_init_shims(shims_logger, shims_send, NULL); + shims_ = diagnostic_init_shims(shims_logger, shims_send, NULL); initialized_ = true; }
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