diff options
Diffstat (limited to 'CAN-binder/low-can-binding')
4 files changed, 48 insertions, 11 deletions
diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.cpp b/CAN-binder/low-can-binding/binding/low-can-cb.cpp index 55d9bdd4..b3c9e2e0 100644 --- a/CAN-binder/low-can-binding/binding/low-can-cb.cpp +++ b/CAN-binder/low-can-binding/binding/low-can-cb.cpp @@ -52,7 +52,7 @@ void on_no_clients(std::string message) } } -int read(sd_event_source *s, int fd, uint32_t revents, void *userdata) +int read_can_signal(sd_event_source *s, int fd, uint32_t revents, void *userdata) { can_signal_t* sig= (can_signal_t*)userdata; sig->read_socket(); @@ -67,6 +67,25 @@ int read(sd_event_source *s, int fd, uint32_t revents, void *userdata) return 0; } +int read_diagnostic_message(sd_event_source *s, int fd, uint32_t revents, void *userdata) +{ + diagnostic_manager_t& diag_m = configuration_t::instance().get_diagnostic_manager(); + diag_m.read_socket(); + + /* check if error or hangup */ + if ((revents & (EPOLLERR|EPOLLRDHUP|EPOLLHUP)) != 0) + { + sd_event_source_unref(s); + diag_m.get_socket().close(); + diag_m.cleanup_active_requests(true); + ERROR(binder_interface, "%s: Error on diagnostic manager socket, cancelling active requests.", __FUNCTION__); + return -1; + } + + return 0; +} + + ///****************************************************************************** /// /// Subscription and unsubscription @@ -161,10 +180,9 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, // poll a PID for nothing. if(sig->get_supported() && subscribe) { - float frequency = sig->get_frequency(); - subscribe = diag_m.add_recurring_request( - diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->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); + float frequency = sig->get_frequency(); + diag_m.add_recurring_request(diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->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 { @@ -188,8 +206,7 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, { return -1; } - struct sd_event_source* e_source; - sd_event_add_io(afb_daemon_get_event_loop(binder_interface->daemon), &e_source, sig->get_socket().socket(), EPOLLIN, read, sig.get()); + sd_event_add_io(afb_daemon_get_event_loop(binder_interface->daemon), &e_source, sig->get_socket().socket(), EPOLLIN, read_can_signal, sig.get()); rets++; DEBUG(binder_interface, "%s: signal: %s subscribed", __FUNCTION__, sig->get_name().c_str()); } diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.hpp b/CAN-binder/low-can-binding/binding/low-can-hat.hpp index 7df4663c..57c0a536 100644 --- a/CAN-binder/low-can-binding/binding/low-can-hat.hpp +++ b/CAN-binder/low-can-binding/binding/low-can-hat.hpp @@ -20,6 +20,7 @@ #include <cstddef> #include <string> +#include <systemd/sd-event.h> extern "C" { @@ -31,6 +32,8 @@ extern "C" struct afb_binding_interface; extern const struct afb_binding_interface *binder_interface; void on_no_clients(std::string message); +int read_can_signal(sd_event_source *s, int fd, uint32_t revents, void *userdata); +int read_diagnostic_message(sd_event_source *s, int fd, uint32_t revents, void *userdata); void subscribe(struct afb_req request); void unsubscribe(struct afb_req request);
\ No newline at end of file diff --git a/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.cpp b/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.cpp index 8a55365e..935767a8 100644 --- a/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.cpp +++ b/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.cpp @@ -49,6 +49,7 @@ bool diagnostic_manager_t::initialize() bus_ = configuration_t::instance().get_diagnostic_bus(); init_diagnostic_shims(); + event_source_ = nullptr; reset(); initialized_ = true; @@ -456,15 +457,28 @@ active_diagnostic_request_t* diagnostic_manager_t::add_recurring_request(Diagnos { // TODO: implement Acceptance Filter //if(updateRequiredAcceptanceFilters(bus, request)) { - active_diagnostic_request_t* entry = new active_diagnostic_request_t(bus_, request, name, + entry = new active_diagnostic_request_t(bus_, request, name, wait_for_multiple_responses, decoder, callback, frequencyHz); recurring_requests_.push_back(entry); entry->set_handle(shims_, request); if(add_rx_filter(OBD2_FUNCTIONAL_BROADCAST_ID) < 0) - { recurring_requests_.pop_back(); } + { recurring_requests_.pop_back(); } else - { start_diagnostic_request(&shims_, entry->get_handle()); } + { + start_diagnostic_request(&shims_, entry->get_handle()); + if(event_source_ == nullptr && sd_event_add_io(afb_daemon_get_event_loop(binder_interface->daemon), + &event_source_, + socket_.socket(), + EPOLLIN, + read_diagnostic_message, + nullptr) < 0) + { + cleanup_request(entry, true); + WARNING(binder_interface, "%s: signal: %s isn't supported. Canceling operation.", __FUNCTION__, entry->get_name().c_str()); + return entry; + } + } } else { @@ -473,7 +487,7 @@ active_diagnostic_request_t* diagnostic_manager_t::add_recurring_request(Diagnos } } else - { DEBUG(binder_interface, "%s: Can't add request, one already exists with same key", __FUNCTION__);} + { DEBUG(binder_interface, "%s: Can't add request, one already exists with same key", __FUNCTION__);} return entry; } diff --git a/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.hpp b/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.hpp index 65ff0cb5..66a4d73f 100644 --- a/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.hpp +++ b/CAN-binder/low-can-binding/diagnostic/diagnostic-manager.hpp @@ -57,6 +57,7 @@ private: * 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*/ utils::socketcan_bcm_t socket_; ///< rx_socket_ - a BCM socket with 8 RX_SETUP jobs for the 8 CAN ID on which ECU could respond. + struct sd_event_source* event_source_; void init_diagnostic_shims(); void reset(); @@ -66,6 +67,8 @@ public: bool initialize(); + void read_socket(); + utils::socketcan_bcm_t& get_socket(); std::string get_can_bus(); active_diagnostic_request_t* get_last_recurring_requests() const; DiagnosticShims& get_shims(); |