Define CommFailure event signal and subscription

src/amf-app/amf_event.cpp

@@ -51,3 +51,9 @@ bs2::connection amf_event::subscribe_ue_connectivity_state(
     const ue_connectivity_state_sig_t::slot_type& sig) {
   return ue_connectivity_state.connect(sig);
 }
+
+//------------------------------------------------------------------------------
+bs2::connection amf_event::subscribe_ue_communication_failure(
+    const ue_communication_failure_sig_t::slot_type& sig) {
+  return ue_communication_failure.connect(sig);
+}
\ No newline at end of file

src/amf-app/amf_event.hpp

@@ -90,6 +90,16 @@ class amf_event {
   bs2::connection subscribe_ue_connectivity_state(
       const ue_connectivity_state_sig_t::slot_type& sig);
 
+/*
+   * Subscribe to UE Communication Failure Notification signal
+   * @param [const ue_communication_failure_sig_t::slot_type&] sig: slot_type
+   * parameter
+   * @return boost::signals2::connection: the connection between the signal and
+   * the slot
+   */
+  bs2::connection subscribe_ue_communication_failure(
+      const ue_communication_failure_sig_t::slot_type& sig);
+
  private:
   ue_location_report_sig_t ue_location_report;  // Signal for UE Location Report
   ue_reachability_status_sig_t
@@ -98,5 +108,7 @@ class amf_event {
       ue_registration_state;  // Signal for UE Registration State Report
   ue_connectivity_state_sig_t
       ue_connectivity_state;  // Signal for UE Connectivity State Report
+  ue_communication_failure_sig_t
+      ue_communication_failure;  // Signal for UE Communication Failure Report
 };
 }  // namespace amf_application

src/amf-app/amf_event_sig.hpp

@@ -33,6 +33,7 @@
 #include <boost/signals2.hpp>
 #include <string>
 #include "UserLocation.h"
+#include "CommunicationFailure.h"
 
 namespace bs2 = boost::signals2;
 
@@ -69,7 +70,13 @@ typedef bs2::signal_type<
     bs2::keywords::mutex_type<bs2::dummy_mutex>>::type
     ue_connectivity_state_sig_t;
 
-// TODO: Communication-Failure-Report
+// Signal for Communication Failure Report
+// SUPI, Communication Failure codes, HTTP version
+typedef bs2::signal_type<
+    void(std::string, oai::amf::model::CommunicationFailure, uint8_t),
+    bs2::keywords::mutex_type<bs2::dummy_mutex>>::type
+    ue_communication_failure_sig_t;
+
 // TODO: UEs-In-Area-Report
 // TODO: Loss-of-Connectivity