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-rw-r--r--src/low-can-binding.cpp59
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++;