diff options
Diffstat (limited to 'src/low-can-binding.cpp')
-rw-r--r-- | src/low-can-binding.cpp | 59 |
1 files changed, 56 insertions, 3 deletions
diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp index 52e893d..7baf147 100644 --- a/src/low-can-binding.cpp +++ b/src/low-can-binding.cpp @@ -72,6 +72,44 @@ static int create_event_handle(const std::string& sig_name, std::map<std::string return 1; } +static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig, DiagnosticRequest* diag_req, int frequency) +{ + int ret; + sd_event_source *source; + + std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex()); + std::map<std::string, struct afb_event>& s = get_subscribed_signals(); + if (s.find(sig) != s.end() && !afb_event_is_valid(s[sig])) + { + if(!subscribe) + { + NOTICE(binder_interface, "Event isn't valid, it can't be unsubscribed."); + ret = -1; + } + else + { + /* Event it isn't valid anymore, recreate it */ + sd_event_add_time(afb_daemon_get_event_loop(binder_interface->daemon), &source, CLOCK_MONOTONIC, frequency, 0, + configuration_t::instance().get_diagnostic_manager().send_request, diag_req); + ret = create_event_handle(sig, s); + } + } + else + { + /* Event doesn't exist , so let's create it */ + struct afb_event empty_event = {nullptr, nullptr}; + subscribed_signals[sig] = empty_event; + ret = create_event_handle(sig, s); + } + + /* Check whether or not the event handler has been correctly created and + * make the subscription/unsubscription operation is so. + */ + if (ret <= 0) + return ret; + return make_subscription_unsubscription(request, sig, s, subscribe); +} + static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig) { int ret; @@ -125,10 +163,25 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const std::string& can_prefix = configuration_t::instance().get_can_signals().front().get_prefix(); const std::string& obd2_prefix = configuration_t::instance().get_obd2_signals().front().get_prefix(); - for(auto& sig : signals) + for(const std::string& sig : signals) { - //if (sig.find_first_of()) - int ret = subscribe_unsubscribe_signal(request, subscribe, sig); + int ret; + if (sig.find_first_of(can_prefix.c_str(), 0, can_prefix.size())) + ret = subscribe_unsubscribe_signal(request, subscribe, sig); + else if (sig.find_first_of(obd2_prefix.c_str(), 0, obd2_prefix.size())) + { + std::vector<obd2_signal_t*> found; + configuration_t::instance().find_obd2_signals(build_DynamicField(sig), found); + int frequency = found.front()->get_frequency(); + DiagnosticRequest* diag_req = new DiagnosticRequest(found.front()->build_diagnostic_request()); + configuration_t::instance().get_diagnostic_manager().add_recurring_request( + diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, nullptr, (float)frequency); + //TODO: Adding callback requesting ignition status: diag_req, sig.c_str(), false, obd2_signal_t::decode_obd2_response, obd2_signal_t::check_ignition_status, frequency); + ret = subscribe_unsubscribe_signal(request, subscribe, sig, diag_req,frequency); + } + else + ret = -1; + if(ret <= 0) return ret; rets++; |