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authorJonathan Aillet <jonathan.aillet@iot.bzh>2018-04-09 09:25:47 +0200
committerJonathan Aillet <jonathan.aillet@iot.bzh>2018-04-17 11:42:37 +0200
commite4e00c65f8b686dd93e68a3226020692a62e1d26 (patch)
tree6e1e1f14cc147f3eb29cac8aceaf91503cca27bf /low-can-binding/binding/low-can-cb.cpp
parent29de76e9beac2a8e7ffcd1ccba07a927df1f2bcc (diff)
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 <jonathan.aillet@iot.bzh>
Diffstat (limited to 'low-can-binding/binding/low-can-cb.cpp')
-rw-r--r--low-can-binding/binding/low-can-cb.cpp25
1 files changed, 17 insertions, 8 deletions
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<low_can_subscription_t> can_subscription, uint32_t pid, std::map<int, std::shared_ptr<low_can_subscription_t> >& 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<low_can_subscription_t> can_subscription, std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
@@ -106,8 +114,9 @@ static int make_subscription_unsubscription(struct afb_req request,
std::map<int, std::shared_ptr<low_can_subscription_t> >& 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<std::shared_ptr<diagnostic_message_t> > diagnostic_messages,
struct event_filter_t& event_filter,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+ std::map<int, std::shared_ptr<low_can_subscription_t> >& 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<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
std::map<int, std::shared_ptr<low_can_subscription_t> >& 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;