From e4e00c65f8b686dd93e68a3226020692a62e1d26 Mon Sep 17 00:00:00 2001 From: Jonathan Aillet Date: Mon, 9 Apr 2018 09:25:47 +0200 Subject: Add possibility to subscribe to a recurring request permanently Add possibility to subscribe to a recurring request that won't be deleted when no subscriber is detected. For now, this functionnality is implemented for internal use only. Bug-AGL: SPEC-1347 Change-Id: I48f6f647677596ba7920c4348d5406ea7bf1081b Signed-off-by: Jonathan Aillet --- low-can-binding/binding/low-can-cb.cpp | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) (limited to 'low-can-binding/binding/low-can-cb.cpp') diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp index 16e31d13..d8365da0 100644 --- a/low-can-binding/binding/low-can-cb.cpp +++ b/low-can-binding/binding/low-can-cb.cpp @@ -45,15 +45,23 @@ void on_no_clients(std::shared_ptr can_subscription, uint32_t pid, std::map >& s) { + bool is_permanent_recurring_request = false; + if( ! can_subscription->get_diagnostic_message().empty() && can_subscription->get_diagnostic_message(pid) != nullptr) { DiagnosticRequest diag_req = can_subscription->get_diagnostic_message(pid)->build_diagnostic_request(); active_diagnostic_request_t* adr = application_t::instance().get_diagnostic_manager().find_recurring_request(diag_req); if( adr != nullptr) - application_t::instance().get_diagnostic_manager().cleanup_request(adr, true); + { + is_permanent_recurring_request = adr->get_permanent(); + + if(! is_permanent_recurring_request) + application_t::instance().get_diagnostic_manager().cleanup_request(adr, true); + } } - on_no_clients(can_subscription, s); + if(! is_permanent_recurring_request) + on_no_clients(can_subscription, s); } void on_no_clients(std::shared_ptr can_subscription, std::map >& s) @@ -106,8 +114,9 @@ static int make_subscription_unsubscription(struct afb_req request, std::map >& s, bool subscribe) { - /* Make the subscription or unsubscription to the event */ - if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()]->get_event())) < 0) + /* Make the subscription or unsubscription to the event (if request contents are not null) */ + if(request.itf && request.closure && + ((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()]->get_event())) < 0) { AFB_ERROR("Operation goes wrong for signal: %s", can_subscription->get_name().c_str()); return -1; @@ -179,7 +188,8 @@ static int subscribe_unsubscribe_diagnostic_messages(struct afb_req request, bool subscribe, std::vector > diagnostic_messages, struct event_filter_t& event_filter, - std::map >& s) + std::map >& s, + bool perm_rec_diag_req) { int rets = 0; application_t& app = application_t::instance(); @@ -198,10 +208,9 @@ static int subscribe_unsubscribe_diagnostic_messages(struct afb_req request, // If the requested diagnostic message isn't supported by the car then unsubcribe it // no matter what we want, worse case will be a fail unsubscription but at least we don't // poll a PID for nothing. - //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); if(sig->get_supported() && subscribe) { - diag_m.add_recurring_request(diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->get_callback(), event_filter.frequency); + diag_m.add_recurring_request(diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->get_callback(), event_filter.frequency, perm_rec_diag_req); if(can_subscription->create_rx_filter(sig) < 0) {return -1;} AFB_DEBUG("Signal: %s subscribed", sig->get_name().c_str()); @@ -286,7 +295,7 @@ static int subscribe_unsubscribe_signals(struct afb_req request, std::lock_guard subscribed_signals_lock(sm.get_subscribed_signals_mutex()); std::map >& s = sm.get_subscribed_signals(); - rets += subscribe_unsubscribe_diagnostic_messages(request, subscribe, signals.diagnostic_messages, event_filter, s); + rets += subscribe_unsubscribe_diagnostic_messages(request, subscribe, signals.diagnostic_messages, event_filter, s, false); rets += subscribe_unsubscribe_can_signals(request, subscribe, signals.can_signals, event_filter, s); return rets; -- cgit 1.2.3-korg