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Commit 38fb42e6 authored by Chris Manton's avatar Chris Manton Committed by Automerger Merge Worker
Browse files

Single out Register events LE_META_EVENT as special am: c2544f4d am: 69184119 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1439640

Change-Id: Ib78883c601a0d2b78c60485c95cd3375689ddf62
parents 2a6ea6c8 69184119

system/gd/hci/hci_layer.cc

+33 −7
Original line number Diff line number Diff line
@@ -171,6 +171,11 @@ struct HciLayer::impl { 
  }



  void register_event(EventCode event, ContextualCallback<void(EventPacketView)> handler) {

    ASSERT_LOG(

        event != EventCode::LE_META_EVENT,

        "Can not register handler for %02hhx (%s)",

        EventCode::LE_META_EVENT,

        EventCodeText(EventCode::LE_META_EVENT).c_str());

    ASSERT_LOG(event_handlers_.count(event) == 0, "Can not register a second handler for %02hhx (%s)", event,

               EventCodeText(event).c_str());

    event_handlers_[event] = handler;
@@ -180,6 +185,19 @@ struct HciLayer::impl { 
    event_handlers_.erase(event_handlers_.find(event));

  }



  void register_le_meta_event(ContextualCallback<void(EventPacketView)> handler) {

    ASSERT_LOG(

        event_handlers_.count(EventCode::LE_META_EVENT) == 0,

        "Can not register a second handler for %02hhx (%s)",

        EventCode::LE_META_EVENT,

        EventCodeText(EventCode::LE_META_EVENT).c_str());

    event_handlers_[EventCode::LE_META_EVENT] = handler;

  }



  void unregister_le_meta_event() {

    unregister_event(EventCode::LE_META_EVENT);

  }



  void register_le_event(SubeventCode event, ContextualCallback<void(LeMetaEventView)> handler) {

    ASSERT_LOG(subevent_handlers_.count(event) == 0, "Can not register a second handler for %02hhx (%s)", event,

               SubeventCodeText(event).c_str());
@@ -193,10 +211,11 @@ struct HciLayer::impl { 
  void on_hci_event(EventPacketView event) {

    ASSERT(event.IsValid());

    EventCode event_code = event.GetEventCode();

    if (event_handlers_.find(event_code) == event_handlers_.end()) {

      LOG_DEBUG("Dropping unregistered event of type 0x%02hhx (%s)", event_code, EventCodeText(event_code).c_str());

      return;

    }

    ASSERT_LOG(

        event_handlers_.find(event_code) != event_handlers_.end(),

        "Unhandled event of type 0x%02hhx (%s)",

        event_code,

        EventCodeText(event_code).c_str());

    event_handlers_[event_code].Invoke(event);

  }
@@ -204,8 +223,11 @@ struct HciLayer::impl { 
    LeMetaEventView meta_event_view = LeMetaEventView::Create(event);

    ASSERT(meta_event_view.IsValid());

    SubeventCode subevent_code = meta_event_view.GetSubeventCode();

    ASSERT_LOG(subevent_handlers_.find(subevent_code) != subevent_handlers_.end(),

               "Unhandled le event of type 0x%02hhx (%s)", subevent_code, SubeventCodeText(subevent_code).c_str());

    ASSERT_LOG(

        subevent_handlers_.find(subevent_code) != subevent_handlers_.end(),

        "Unhandled le subevent of type 0x%02hhx (%s)",

        subevent_code,

        SubeventCodeText(subevent_code).c_str());

    subevent_handlers_[subevent_code].Invoke(meta_event_view);

  }
@@ -276,6 +298,10 @@ void HciLayer::RegisterEventHandler(EventCode event, ContextualCallback<void(Eve 
  CallOn(impl_, &impl::register_event, event, handler);

}



void HciLayer::RegisterLeMetaEventHandler(ContextualCallback<void(EventPacketView)> handler) {

  CallOn(impl_, &impl::register_le_meta_event, handler);

}



void HciLayer::UnregisterEventHandler(EventCode event) {

  CallOn(impl_, &impl::unregister_event, event);

}
@@ -369,8 +395,8 @@ void HciLayer::Start() { 
  impl_->acl_queue_.GetDownEnd()->RegisterDequeue(handler, BindOn(impl_, &impl::on_outbound_acl_ready));

  RegisterEventHandler(EventCode::COMMAND_COMPLETE, handler->BindOn(impl_, &impl::on_command_complete));

  RegisterEventHandler(EventCode::COMMAND_STATUS, handler->BindOn(impl_, &impl::on_command_status));

  RegisterLeMetaEventHandler(handler->BindOn(impl_, &impl::on_le_meta_event));

  if (bluetooth::common::InitFlags::GdCoreEnabled()) {

    RegisterEventHandler(EventCode::LE_META_EVENT, handler->BindOn(impl_, &impl::on_le_meta_event));

    RegisterEventHandler(

        EventCode::DISCONNECTION_COMPLETE, handler->BindOn(this, &HciLayer::on_disconnection_complete));

  }

system/gd/hci/hci_layer.h

+1 −0
Original line number Diff line number Diff line
@@ -97,6 +97,7 @@ class HciLayer : public Module, public CommandInterface<CommandPacketBuilder> { 
  void Stop() override;



  virtual void Disconnect(uint16_t handle, ErrorCode reason);

  virtual void RegisterLeMetaEventHandler(common::ContextualCallback<void(EventPacketView)> event_handler);



 private:

  struct impl;