X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=CAN-binder%2Flow-can-binding%2Fbinding%2Flow-can-cb.cpp;h=9e85f5c7330f2cfcbd0ccd2734515cf841dbd2e2;hb=7747851ca010a3dfe9ffee808376dd5a7af68b91;hp=eaa4fabcdd11a2ff9469048b146c1e3f06fb33b2;hpb=6222973c39ee02ad52a5d0b4b400024157ff2eeb;p=apps%2Flow-level-can-service.git 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 eaa4fab..9e85f5c 100644 --- a/CAN-binder/low-can-binding/binding/low-can-cb.cpp +++ b/CAN-binder/low-can-binding/binding/low-can-cb.cpp @@ -52,21 +52,57 @@ void on_no_clients(std::string message) } } -int read(sd_event_source *s, int fd, uint32_t revents, void *userdata) +static void push_n_notify(const can_message_t& cm) { - can_signal_t* sig= (can_signal_t*)userdata; - sig->read_socket(); + can_bus_t& cbm = configuration_t::instance().get_can_bus_manager(); + std::lock_guard can_message_lock(cbm.get_can_message_mutex()); + { cbm.push_new_can_message(cm); } + cbm.get_new_can_message_cv().notify_one(); +} + +int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata) +{ + can_message_t cm; + can_signal_t* sig; + diagnostic_manager_t& diag_m = configuration_t::instance().get_diagnostic_manager(); + + if(userdata != nullptr) + { + sig = (can_signal_t*)userdata; + utils::socketcan_bcm_t s = sig->get_socket(); + s >> cm; + } + else + { + utils::socketcan_bcm_t s = diag_m.get_socket(); + s >> cm; + } + + push_n_notify(cm); /* check if error or hangup */ if ((revents & (EPOLLERR|EPOLLRDHUP|EPOLLHUP)) != 0) { sd_event_source_unref(s); - sig->get_socket().close(); - sig->create_rx_filter(); + if(userdata != nullptr) + { + sig->get_socket().close(); + sig->create_rx_filter(); + NOTICE(binder_interface, "%s: Recreated RX_SETUP BCM job for signal: %s", __FUNCTION__, sig->get_name().c_str()); + } + else + { + 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 @@ -145,7 +181,7 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, /// static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const struct utils::signals_found& signals) { - int ret, rets = 0; + int rets = 0; //TODO: Implement way to dynamically call the right function no matter // how much signals types we have. @@ -153,6 +189,7 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, for(const auto& sig : signals.diagnostic_messages) { + int ret = 0; diagnostic_manager_t& diag_m = conf.get_diagnostic_manager(); DiagnosticRequest* diag_req = conf.get_request_from_diagnostic_message(sig->get_name()); @@ -161,10 +198,9 @@ 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 { @@ -189,36 +225,96 @@ 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_message, sig.get()); rets++; DEBUG(binder_interface, "%s: signal: %s subscribed", __FUNCTION__, sig->get_name().c_str()); } return rets; } -static const std::vector parse_args_from_request(struct afb_req request, bool subscribe) +static int process_args(struct afb_req request, const std::map& args, bool subscribe) { - int i, n; - std::vector ret; - struct json_object *args, *a, *x; + struct utils::signals_found sf; + int ok = 0, total = 0; + + for(const auto& sig: args) + { + openxc_DynamicField search_key = build_DynamicField(sig.first); + sf = utils::signals_manager_t::instance().find_signals(search_key); + total = (int)sf.can_signals.size() + (int)sf.diagnostic_messages.size(); + if (sf.can_signals.empty() && sf.diagnostic_messages.empty()) + NOTICE(binder_interface, "%s: No signal(s) found for %s.", __FUNCTION__, sig.first.c_str()); + else + ok = subscribe_unsubscribe_signals(request, subscribe, sf); + } + NOTICE(binder_interface, "%s: Subscribed/unsubscribe correctly to %d/%d signal(s).", __FUNCTION__, ok, total); + return ok; +} + +static int parse_filter(json_object* event, struct event_filter_t* event_filter) +{ + struct json_object *filter, *obj; + int ret = 0; + + if (json_object_object_get_ex(event, "filter", &filter)) + { + event_filter->frequency = -1.0; + event_filter->min = -1.0; + event_filter->max = -1.0; + if (json_object_object_get_ex(filter, "frequency", &obj) + && json_object_get_type(obj) == json_type_double) + { + event_filter->frequency = json_object_get_double(obj); + ret += 1; + } + if (json_object_object_get_ex(filter, "min", &obj) + && json_object_get_type(obj) == json_type_double) + { + event_filter->min = json_object_get_double(obj); + ret += 2; + } + if (json_object_object_get_ex(filter, "max", &obj) + && json_object_get_type(obj) == json_type_double) + { + event_filter->max = json_object_get_double(obj); + ret += 4; + } + } + + return ret; +} + +static const std::map parse_args_from_request(struct afb_req request) +{ + int i, n; + std::map ret; + struct json_object *args, *event, *x; + struct event_filter_t event_filter; + /* retrieve signals to subscribe */ args = afb_req_json(request); - if (args == NULL || !json_object_object_get_ex(args, "event", &a)) + if (args == NULL || !json_object_object_get_ex(args, "event", &event)) { - ret.push_back("*"); + event = json_object_new_string("*"); + parse_filter(event, &event_filter); + ret["*"] = event_filter; } - else if (json_object_get_type(a) != json_type_array) + else if (json_object_get_type(event) != json_type_array) { - ret.push_back(json_object_get_string(a)); + const std::string event_pattern = std::string(json_object_get_string(event)); + parse_filter(event, &event_filter); + ret[event_pattern] = event_filter; } else { - n = json_object_array_length(a); + n = json_object_array_length(event); for (i = 0 ; i < n ; i++) { - x = json_object_array_get_idx(a, i); - ret.push_back(json_object_get_string(x)); + x = json_object_array_get_idx(event, i); + const std::string event_pattern = std::string(json_object_get_string(x)); + parse_filter(x, &event_filter); + ret[event_pattern] = event_filter; } } @@ -227,33 +323,24 @@ static const std::vector parse_args_from_request(struct afb_req req void subscribe(struct afb_req request) { - std::vector args; - struct utils::signals_found sf; - int ok = 0, total = 0; bool subscribe = true; - args = parse_args_from_request(request, subscribe); - - for(const auto& sig: args) - { - openxc_DynamicField search_key = build_DynamicField(sig); - sf = utils::signals_manager_t::instance().find_signals(search_key); - total = (int)sf.can_signals.size() + (int)sf.diagnostic_messages.size(); - - if (sf.can_signals.empty() && sf.diagnostic_messages.empty()) - NOTICE(binder_interface, "%s: No signal(s) found for %s.", __FUNCTION__, sig.c_str()); - else - ok = subscribe_unsubscribe_signals(request, subscribe, sf); - } + const std::map args = parse_args_from_request(request); - NOTICE(binder_interface, "%s: Subscribed/unsubscribe correctly to %d/%d signal(s).", __FUNCTION__, ok, total); - if (ok > 0) + if (process_args(request, args, subscribe) > 0) afb_req_success(request, NULL, NULL); else afb_req_fail(request, "error", NULL); } - void unsubscribe(struct afb_req request) +void unsubscribe(struct afb_req request) { - parse_args_from_request(request, false); + bool subscribe = false; + + const std::map args = parse_args_from_request(request); + + if (process_args(request, args, subscribe) > 0) + afb_req_success(request, NULL, NULL); + else + afb_req_fail(request, "error", NULL); } \ No newline at end of file