wifi(implementation): Fix formatting

Use the top level clang-format setup by the HIDL team to format the
entire implementation.

clang-format -i --style file wifi/1.2/default/*

Bug: 32287573
Test: Compiles
Change-Id: I336c21fd9bfdc560117aa7212f92ab5f01df4b8e
diff --git a/wifi/1.2/default/wifi_nan_iface.cpp b/wifi/1.2/default/wifi_nan_iface.cpp
index 711c452..1d786e3 100644
--- a/wifi/1.2/default/wifi_nan_iface.cpp
+++ b/wifi/1.2/default/wifi_nan_iface.cpp
@@ -32,741 +32,745 @@
     const std::string& ifname,
     const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
     : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {
-  // Register all the callbacks here. these should be valid for the lifetime
-  // of the object. Whenever the mode changes legacy HAL will remove
-  // all of these callbacks.
-  legacy_hal::NanCallbackHandlers callback_handlers;
-  android::wp<WifiNanIface> weak_ptr_this(this);
+    // Register all the callbacks here. these should be valid for the lifetime
+    // of the object. Whenever the mode changes legacy HAL will remove
+    // all of these callbacks.
+    legacy_hal::NanCallbackHandlers callback_handlers;
+    android::wp<WifiNanIface> weak_ptr_this(this);
 
-  // Callback for response.
-  callback_handlers.on_notify_response = [weak_ptr_this](
-      legacy_hal::transaction_id id, const legacy_hal::NanResponseMsg& msg) {
-    const auto shared_ptr_this = weak_ptr_this.promote();
-    if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-      LOG(ERROR) << "Callback invoked on an invalid object";
-      return;
-    }
-    WifiNanStatus wifiNanStatus;
-    if (!hidl_struct_util::convertLegacyNanResponseHeaderToHidl(msg,
-                                                                &wifiNanStatus)) {
-      LOG(ERROR) << "Failed to convert nan response header";
-      return;
-    }
-
-    switch (msg.response_type) {
-    case legacy_hal::NAN_RESPONSE_ENABLED: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyEnableResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_DISABLED: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyDisableResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_PUBLISH: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyStartPublishResponse(id, wifiNanStatus,
-                        msg.body.publish_response.publish_id).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_PUBLISH_CANCEL: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyStopPublishResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_TRANSMIT_FOLLOWUP: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyTransmitFollowupResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_SUBSCRIBE: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyStartSubscribeResponse(id, wifiNanStatus,
-                        msg.body.subscribe_response.subscribe_id).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_SUBSCRIBE_CANCEL: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyStopSubscribeResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_CONFIG: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyConfigResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-     }
-    case legacy_hal::NAN_GET_CAPABILITIES: {
-        NanCapabilities hidl_struct;
-        if (!hidl_struct_util::convertLegacyNanCapabilitiesResponseToHidl(
-                msg.body.nan_capabilities, &hidl_struct)) {
-            LOG(ERROR) << "Failed to convert nan capabilities response";
+    // Callback for response.
+    callback_handlers
+        .on_notify_response = [weak_ptr_this](
+                                  legacy_hal::transaction_id id,
+                                  const legacy_hal::NanResponseMsg& msg) {
+        const auto shared_ptr_this = weak_ptr_this.promote();
+        if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+            LOG(ERROR) << "Callback invoked on an invalid object";
             return;
         }
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyCapabilitiesResponse(id, wifiNanStatus,
-                                                    hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
+        WifiNanStatus wifiNanStatus;
+        if (!hidl_struct_util::convertLegacyNanResponseHeaderToHidl(
+                msg, &wifiNanStatus)) {
+            LOG(ERROR) << "Failed to convert nan response header";
+            return;
         }
-        break;
-    }
-    case legacy_hal::NAN_DP_INTERFACE_CREATE: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyCreateDataInterfaceResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_DP_INTERFACE_DELETE: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyDeleteDataInterfaceResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_DP_INITIATOR_RESPONSE: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyInitiateDataPathResponse(id, wifiNanStatus,
-                msg.body.data_request_response.ndp_instance_id).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_DP_RESPONDER_RESPONSE: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyRespondToDataPathIndicationResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_DP_END: {
-        for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-          if (!callback->notifyTerminateDataPathResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-    }
-    case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD:
-        /* fall through */
-    case legacy_hal::NAN_RESPONSE_TCA:
-        /* fall through */
-    case legacy_hal::NAN_RESPONSE_STATS:
-        /* fall through */
-    case legacy_hal::NAN_RESPONSE_ERROR:
-        /* fall through */
-    default:
-        LOG(ERROR) << "Unknown or unhandled response type: " << msg.response_type;
-        return;
-    }
-  };
 
-  callback_handlers.on_event_disc_eng_event = [weak_ptr_this](
-        const legacy_hal::NanDiscEngEventInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanClusterEventInd hidl_struct;
-      // event types defined identically - hence can be cast
-      hidl_struct.eventType = (NanClusterEventType) msg.event_type;
-      hidl_struct.addr = msg.data.mac_addr.addr;
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventClusterEvent(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_disabled = [weak_ptr_this](
-        const legacy_hal::NanDisabledInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      WifiNanStatus status;
-      hidl_struct_util::convertToWifiNanStatus(msg.reason, msg.nan_reason, sizeof(msg.nan_reason),
-            &status);
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventDisabled(status).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_publish_terminated = [weak_ptr_this](
-        const legacy_hal::NanPublishTerminatedInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      WifiNanStatus status;
-      hidl_struct_util::convertToWifiNanStatus(msg.reason, msg.nan_reason, sizeof(msg.nan_reason),
-            &status);
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventPublishTerminated(msg.publish_id, status).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_subscribe_terminated = [weak_ptr_this](
-        const legacy_hal::NanSubscribeTerminatedInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      WifiNanStatus status;
-      hidl_struct_util::convertToWifiNanStatus(msg.reason, msg.nan_reason, sizeof(msg.nan_reason),
-            &status);
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventSubscribeTerminated(msg.subscribe_id, status).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_match = [weak_ptr_this](
-        const legacy_hal::NanMatchInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanMatchInd hidl_struct;
-      if (!hidl_struct_util::convertLegacyNanMatchIndToHidl(
-            msg, &hidl_struct)) {
-          LOG(ERROR) << "Failed to convert nan capabilities response";
-          return;
-      }
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventMatch(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_match_expired = [weak_ptr_this](
-        const legacy_hal::NanMatchExpiredInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventMatchExpired(msg.publish_subscribe_id,
-                msg.requestor_instance_id).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_followup = [weak_ptr_this](
-        const legacy_hal::NanFollowupInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanFollowupReceivedInd hidl_struct;
-      if (!hidl_struct_util::convertLegacyNanFollowupIndToHidl(
-            msg, &hidl_struct)) {
-          LOG(ERROR) << "Failed to convert nan capabilities response";
-          return;
-      }
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventFollowupReceived(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_transmit_follow_up = [weak_ptr_this](
-        const legacy_hal::NanTransmitFollowupInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      WifiNanStatus status;
-      hidl_struct_util::convertToWifiNanStatus(msg.reason, msg.nan_reason, sizeof(msg.nan_reason),
-            &status);
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventTransmitFollowup(msg.id, status).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_data_path_request = [weak_ptr_this](
-        const legacy_hal::NanDataPathRequestInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanDataPathRequestInd hidl_struct;
-      if (!hidl_struct_util::convertLegacyNanDataPathRequestIndToHidl(
-            msg, &hidl_struct)) {
-          LOG(ERROR) << "Failed to convert nan capabilities response";
-          return;
-      }
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventDataPathRequest(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_data_path_confirm = [weak_ptr_this](
-        const legacy_hal::NanDataPathConfirmInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanDataPathConfirmInd hidl_struct;
-      if (!hidl_struct_util::convertLegacyNanDataPathConfirmIndToHidl(
-            msg, &hidl_struct)) {
-          LOG(ERROR) << "Failed to convert nan capabilities response";
-          return;
-      }
-
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        if (!callback->eventDataPathConfirm(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
-  };
-
-  callback_handlers.on_event_data_path_end = [weak_ptr_this](
-        const legacy_hal::NanDataPathEndInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-        for (int i = 0; i < msg.num_ndp_instances; ++i) {
-            if (!callback->eventDataPathTerminated(msg.ndp_instance_id[i]).isOk()) {
-                LOG(ERROR) << "Failed to invoke the callback";
+        switch (msg.response_type) {
+            case legacy_hal::NAN_RESPONSE_ENABLED: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback->notifyEnableResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
             }
+            case legacy_hal::NAN_RESPONSE_DISABLED: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback->notifyDisableResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_PUBLISH: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyStartPublishResponse(
+                                 id, wifiNanStatus,
+                                 msg.body.publish_response.publish_id)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_PUBLISH_CANCEL: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback->notifyStopPublishResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_TRANSMIT_FOLLOWUP: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyTransmitFollowupResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_SUBSCRIBE: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyStartSubscribeResponse(
+                                 id, wifiNanStatus,
+                                 msg.body.subscribe_response.subscribe_id)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_SUBSCRIBE_CANCEL: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyStopSubscribeResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_CONFIG: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback->notifyConfigResponse(id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_GET_CAPABILITIES: {
+                NanCapabilities hidl_struct;
+                if (!hidl_struct_util::
+                        convertLegacyNanCapabilitiesResponseToHidl(
+                            msg.body.nan_capabilities, &hidl_struct)) {
+                    LOG(ERROR) << "Failed to convert nan capabilities response";
+                    return;
+                }
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyCapabilitiesResponse(id, wifiNanStatus,
+                                                          hidl_struct)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_DP_INTERFACE_CREATE: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyCreateDataInterfaceResponse(id,
+                                                                 wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_DP_INTERFACE_DELETE: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyDeleteDataInterfaceResponse(id,
+                                                                 wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_DP_INITIATOR_RESPONSE: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyInitiateDataPathResponse(
+                                 id, wifiNanStatus,
+                                 msg.body.data_request_response.ndp_instance_id)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_DP_RESPONDER_RESPONSE: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyRespondToDataPathIndicationResponse(
+                                 id, wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_DP_END: {
+                for (const auto& callback :
+                     shared_ptr_this->getEventCallbacks()) {
+                    if (!callback
+                             ->notifyTerminateDataPathResponse(id,
+                                                               wifiNanStatus)
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+                break;
+            }
+            case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD:
+            /* fall through */
+            case legacy_hal::NAN_RESPONSE_TCA:
+            /* fall through */
+            case legacy_hal::NAN_RESPONSE_STATS:
+            /* fall through */
+            case legacy_hal::NAN_RESPONSE_ERROR:
+            /* fall through */
+            default:
+                LOG(ERROR) << "Unknown or unhandled response type: "
+                           << msg.response_type;
+                return;
         }
-      }
-  };
+    };
 
-  callback_handlers.on_event_beacon_sdf_payload = [weak_ptr_this](
-        const legacy_hal::NanBeaconSdfPayloadInd& /* msg */) {
-      LOG(ERROR) << "on_event_beacon_sdf_payload - should not be called";
-  };
+    callback_handlers.on_event_disc_eng_event =
+        [weak_ptr_this](const legacy_hal::NanDiscEngEventInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            NanClusterEventInd hidl_struct;
+            // event types defined identically - hence can be cast
+            hidl_struct.eventType = (NanClusterEventType)msg.event_type;
+            hidl_struct.addr = msg.data.mac_addr.addr;
 
-  callback_handlers.on_event_range_request = [weak_ptr_this](
-        const legacy_hal::NanRangeRequestInd& /* msg */) {
-      LOG(ERROR) << "on_event_range_request - should not be called";
-  };
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventClusterEvent(hidl_struct).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
 
-  callback_handlers.on_event_range_report = [weak_ptr_this](
-        const legacy_hal::NanRangeReportInd& /* msg */) {
-      LOG(ERROR) << "on_event_range_report - should not be called";
-  };
+    callback_handlers.on_event_disabled =
+        [weak_ptr_this](const legacy_hal::NanDisabledInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            WifiNanStatus status;
+            hidl_struct_util::convertToWifiNanStatus(
+                msg.reason, msg.nan_reason, sizeof(msg.nan_reason), &status);
 
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanRegisterCallbackHandlers(
-          ifname_, callback_handlers);
-  if (legacy_status != legacy_hal::WIFI_SUCCESS) {
-    LOG(ERROR) << "Failed to register nan callbacks. Invalidating object";
-    invalidate();
-  }
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventDisabled(status).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_publish_terminated =
+        [weak_ptr_this](const legacy_hal::NanPublishTerminatedInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            WifiNanStatus status;
+            hidl_struct_util::convertToWifiNanStatus(
+                msg.reason, msg.nan_reason, sizeof(msg.nan_reason), &status);
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventPublishTerminated(msg.publish_id, status)
+                         .isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_subscribe_terminated =
+        [weak_ptr_this](const legacy_hal::NanSubscribeTerminatedInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            WifiNanStatus status;
+            hidl_struct_util::convertToWifiNanStatus(
+                msg.reason, msg.nan_reason, sizeof(msg.nan_reason), &status);
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback
+                         ->eventSubscribeTerminated(msg.subscribe_id, status)
+                         .isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_match =
+        [weak_ptr_this](const legacy_hal::NanMatchInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            NanMatchInd hidl_struct;
+            if (!hidl_struct_util::convertLegacyNanMatchIndToHidl(
+                    msg, &hidl_struct)) {
+                LOG(ERROR) << "Failed to convert nan capabilities response";
+                return;
+            }
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventMatch(hidl_struct).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_match_expired =
+        [weak_ptr_this](const legacy_hal::NanMatchExpiredInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback
+                         ->eventMatchExpired(msg.publish_subscribe_id,
+                                             msg.requestor_instance_id)
+                         .isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_followup =
+        [weak_ptr_this](const legacy_hal::NanFollowupInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            NanFollowupReceivedInd hidl_struct;
+            if (!hidl_struct_util::convertLegacyNanFollowupIndToHidl(
+                    msg, &hidl_struct)) {
+                LOG(ERROR) << "Failed to convert nan capabilities response";
+                return;
+            }
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventFollowupReceived(hidl_struct).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_transmit_follow_up =
+        [weak_ptr_this](const legacy_hal::NanTransmitFollowupInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            WifiNanStatus status;
+            hidl_struct_util::convertToWifiNanStatus(
+                msg.reason, msg.nan_reason, sizeof(msg.nan_reason), &status);
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventTransmitFollowup(msg.id, status).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_data_path_request =
+        [weak_ptr_this](const legacy_hal::NanDataPathRequestInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            NanDataPathRequestInd hidl_struct;
+            if (!hidl_struct_util::convertLegacyNanDataPathRequestIndToHidl(
+                    msg, &hidl_struct)) {
+                LOG(ERROR) << "Failed to convert nan capabilities response";
+                return;
+            }
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventDataPathRequest(hidl_struct).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_data_path_confirm =
+        [weak_ptr_this](const legacy_hal::NanDataPathConfirmInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            NanDataPathConfirmInd hidl_struct;
+            if (!hidl_struct_util::convertLegacyNanDataPathConfirmIndToHidl(
+                    msg, &hidl_struct)) {
+                LOG(ERROR) << "Failed to convert nan capabilities response";
+                return;
+            }
+
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                if (!callback->eventDataPathConfirm(hidl_struct).isOk()) {
+                    LOG(ERROR) << "Failed to invoke the callback";
+                }
+            }
+        };
+
+    callback_handlers.on_event_data_path_end =
+        [weak_ptr_this](const legacy_hal::NanDataPathEndInd& msg) {
+            const auto shared_ptr_this = weak_ptr_this.promote();
+            if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+                LOG(ERROR) << "Callback invoked on an invalid object";
+                return;
+            }
+            for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
+                for (int i = 0; i < msg.num_ndp_instances; ++i) {
+                    if (!callback
+                             ->eventDataPathTerminated(msg.ndp_instance_id[i])
+                             .isOk()) {
+                        LOG(ERROR) << "Failed to invoke the callback";
+                    }
+                }
+            }
+        };
+
+    callback_handlers.on_event_beacon_sdf_payload =
+        [weak_ptr_this](const legacy_hal::NanBeaconSdfPayloadInd& /* msg */) {
+            LOG(ERROR) << "on_event_beacon_sdf_payload - should not be called";
+        };
+
+    callback_handlers.on_event_range_request =
+        [weak_ptr_this](const legacy_hal::NanRangeRequestInd& /* msg */) {
+            LOG(ERROR) << "on_event_range_request - should not be called";
+        };
+
+    callback_handlers.on_event_range_report =
+        [weak_ptr_this](const legacy_hal::NanRangeReportInd& /* msg */) {
+            LOG(ERROR) << "on_event_range_report - should not be called";
+        };
+
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanRegisterCallbackHandlers(ifname_,
+                                                        callback_handlers);
+    if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+        LOG(ERROR) << "Failed to register nan callbacks. Invalidating object";
+        invalidate();
+    }
 }
 
 void WifiNanIface::invalidate() {
-  // send commands to HAL to actually disable and destroy interfaces
-  legacy_hal_.lock()->nanDisableRequest(ifname_, 0xFFFF);
-  legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, 0xFFFE, "aware_data0");
-  legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, 0xFFFD, "aware_data1");
+    // send commands to HAL to actually disable and destroy interfaces
+    legacy_hal_.lock()->nanDisableRequest(ifname_, 0xFFFF);
+    legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, 0xFFFE, "aware_data0");
+    legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, 0xFFFD, "aware_data1");
 
-  legacy_hal_.reset();
-  event_cb_handler_.invalidate();
-  is_valid_ = false;
+    legacy_hal_.reset();
+    event_cb_handler_.invalidate();
+    is_valid_ = false;
 }
 
-bool WifiNanIface::isValid() {
-  return is_valid_;
-}
+bool WifiNanIface::isValid() { return is_valid_; }
 
 std::set<sp<IWifiNanIfaceEventCallback>> WifiNanIface::getEventCallbacks() {
-  return event_cb_handler_.getCallbacks();
+    return event_cb_handler_.getCallbacks();
 }
 
 Return<void> WifiNanIface::getName(getName_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getNameInternal,
-                         hidl_status_cb);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::getNameInternal, hidl_status_cb);
 }
 
 Return<void> WifiNanIface::getType(getType_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getTypeInternal,
-                         hidl_status_cb);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::getTypeInternal, hidl_status_cb);
 }
 
 Return<void> WifiNanIface::registerEventCallback(
     const sp<IWifiNanIfaceEventCallback>& callback,
     registerEventCallback_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::registerEventCallbackInternal,
-                         hidl_status_cb,
-                         callback);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::registerEventCallbackInternal,
+                           hidl_status_cb, callback);
 }
 
-Return<void> WifiNanIface::getCapabilitiesRequest(uint16_t cmd_id,
-                                                  getCapabilitiesRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getCapabilitiesRequestInternal,
-                         hidl_status_cb,
-                         cmd_id);
+Return<void> WifiNanIface::getCapabilitiesRequest(
+    uint16_t cmd_id, getCapabilitiesRequest_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::getCapabilitiesRequestInternal,
+                           hidl_status_cb, cmd_id);
 }
 
 Return<void> WifiNanIface::enableRequest(uint16_t cmd_id,
                                          const NanEnableRequest& msg,
                                          enableRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::enableRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::enableRequestInternal, hidl_status_cb,
+                           cmd_id, msg);
 }
 
 Return<void> WifiNanIface::configRequest(uint16_t cmd_id,
                                          const NanConfigRequest& msg,
                                          configRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::configRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::configRequestInternal, hidl_status_cb,
+                           cmd_id, msg);
 }
 
 Return<void> WifiNanIface::disableRequest(uint16_t cmd_id,
                                           disableRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::disableRequestInternal,
-                         hidl_status_cb,
-                         cmd_id);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::disableRequestInternal,
+                           hidl_status_cb, cmd_id);
 }
 
-Return<void> WifiNanIface::startPublishRequest(uint16_t cmd_id,
-                                               const NanPublishRequest& msg,
-                                               startPublishRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::startPublishRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+Return<void> WifiNanIface::startPublishRequest(
+    uint16_t cmd_id, const NanPublishRequest& msg,
+    startPublishRequest_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::startPublishRequestInternal,
+                           hidl_status_cb, cmd_id, msg);
 }
 
 Return<void> WifiNanIface::stopPublishRequest(
-    uint16_t cmd_id,
-    uint8_t sessionId,
-    stopPublishRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::stopPublishRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         sessionId);
+    uint16_t cmd_id, uint8_t sessionId, stopPublishRequest_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::stopPublishRequestInternal,
+                           hidl_status_cb, cmd_id, sessionId);
 }
 
 Return<void> WifiNanIface::startSubscribeRequest(
-    uint16_t cmd_id,
-    const NanSubscribeRequest& msg,
+    uint16_t cmd_id, const NanSubscribeRequest& msg,
     startSubscribeRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::startSubscribeRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::startSubscribeRequestInternal,
+                           hidl_status_cb, cmd_id, msg);
 }
 
 Return<void> WifiNanIface::stopSubscribeRequest(
-    uint16_t cmd_id,
-    uint8_t sessionId,
+    uint16_t cmd_id, uint8_t sessionId,
     stopSubscribeRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::stopSubscribeRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         sessionId);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::stopSubscribeRequestInternal,
+                           hidl_status_cb, cmd_id, sessionId);
 }
 
 Return<void> WifiNanIface::transmitFollowupRequest(
-    uint16_t cmd_id,
-    const NanTransmitFollowupRequest& msg,
+    uint16_t cmd_id, const NanTransmitFollowupRequest& msg,
     transmitFollowupRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::transmitFollowupRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::transmitFollowupRequestInternal,
+                           hidl_status_cb, cmd_id, msg);
 }
 
 Return<void> WifiNanIface::createDataInterfaceRequest(
-    uint16_t cmd_id,
-    const hidl_string& iface_name,
+    uint16_t cmd_id, const hidl_string& iface_name,
     createDataInterfaceRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::createDataInterfaceRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         iface_name);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::createDataInterfaceRequestInternal,
+                           hidl_status_cb, cmd_id, iface_name);
 }
 
 Return<void> WifiNanIface::deleteDataInterfaceRequest(
-    uint16_t cmd_id,
-    const hidl_string& iface_name,
+    uint16_t cmd_id, const hidl_string& iface_name,
     deleteDataInterfaceRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::deleteDataInterfaceRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         iface_name);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::deleteDataInterfaceRequestInternal,
+                           hidl_status_cb, cmd_id, iface_name);
 }
 
 Return<void> WifiNanIface::initiateDataPathRequest(
-    uint16_t cmd_id,
-    const NanInitiateDataPathRequest& msg,
+    uint16_t cmd_id, const NanInitiateDataPathRequest& msg,
     initiateDataPathRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::initiateDataPathRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::initiateDataPathRequestInternal,
+                           hidl_status_cb, cmd_id, msg);
 }
 
 Return<void> WifiNanIface::respondToDataPathIndicationRequest(
-    uint16_t cmd_id,
-    const NanRespondToDataPathIndicationRequest& msg,
+    uint16_t cmd_id, const NanRespondToDataPathIndicationRequest& msg,
     respondToDataPathIndicationRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::respondToDataPathIndicationRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
+    return validateAndCall(
+        this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+        &WifiNanIface::respondToDataPathIndicationRequestInternal,
+        hidl_status_cb, cmd_id, msg);
 }
 
-Return<void> WifiNanIface::terminateDataPathRequest(uint16_t cmd_id, uint32_t ndpInstanceId,
+Return<void> WifiNanIface::terminateDataPathRequest(
+    uint16_t cmd_id, uint32_t ndpInstanceId,
     terminateDataPathRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::terminateDataPathRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         ndpInstanceId);
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::terminateDataPathRequestInternal,
+                           hidl_status_cb, cmd_id, ndpInstanceId);
 }
 
 std::pair<WifiStatus, std::string> WifiNanIface::getNameInternal() {
-  return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
+    return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
 
 std::pair<WifiStatus, IfaceType> WifiNanIface::getTypeInternal() {
-  return {createWifiStatus(WifiStatusCode::SUCCESS), IfaceType::NAN};
+    return {createWifiStatus(WifiStatusCode::SUCCESS), IfaceType::NAN};
 }
 
 WifiStatus WifiNanIface::registerEventCallbackInternal(
     const sp<IWifiNanIfaceEventCallback>& callback) {
-  if (!event_cb_handler_.addCallback(callback)) {
-    return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
-  }
-  return createWifiStatus(WifiStatusCode::SUCCESS);
+    if (!event_cb_handler_.addCallback(callback)) {
+        return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+    }
+    return createWifiStatus(WifiStatusCode::SUCCESS);
 }
 
 WifiStatus WifiNanIface::getCapabilitiesRequestInternal(uint16_t cmd_id) {
-  legacy_hal::wifi_error legacy_status =
+    legacy_hal::wifi_error legacy_status =
         legacy_hal_.lock()->nanGetCapabilities(ifname_, cmd_id);
-  return createWifiStatusFromLegacyError(legacy_status);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::enableRequestInternal(uint16_t cmd_id,
                                                const NanEnableRequest& msg) {
-  legacy_hal::NanEnableRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanEnableRequestToLegacy(msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanEnableRequest(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanEnableRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanEnableRequestToLegacy(msg,
+                                                               &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanEnableRequest(ifname_, cmd_id, legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::configRequestInternal(
-    uint16_t cmd_id, const NanConfigRequest& msg) {
-  legacy_hal::NanConfigRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanConfigRequestToLegacy(msg,
-                                                             &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanConfigRequest(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+WifiStatus WifiNanIface::configRequestInternal(uint16_t cmd_id,
+                                               const NanConfigRequest& msg) {
+    legacy_hal::NanConfigRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanConfigRequestToLegacy(msg,
+                                                               &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanConfigRequest(ifname_, cmd_id, legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::disableRequestInternal(uint16_t cmd_id) {
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDisableRequest(ifname_, cmd_id);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDisableRequest(ifname_, cmd_id);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::startPublishRequestInternal(
     uint16_t cmd_id, const NanPublishRequest& msg) {
-  legacy_hal::NanPublishRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanPublishRequestToLegacy(msg,
-                                                              &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanPublishRequest(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanPublishRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanPublishRequestToLegacy(msg,
+                                                                &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanPublishRequest(ifname_, cmd_id, legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::stopPublishRequestInternal(
-    uint16_t cmd_id, uint8_t sessionId) {
-  legacy_hal::NanPublishCancelRequest legacy_msg;
-  legacy_msg.publish_id = sessionId;
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanPublishCancelRequest(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+WifiStatus WifiNanIface::stopPublishRequestInternal(uint16_t cmd_id,
+                                                    uint8_t sessionId) {
+    legacy_hal::NanPublishCancelRequest legacy_msg;
+    legacy_msg.publish_id = sessionId;
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanPublishCancelRequest(ifname_, cmd_id,
+                                                    legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::startSubscribeRequestInternal(
     uint16_t cmd_id, const NanSubscribeRequest& msg) {
-  legacy_hal::NanSubscribeRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanSubscribeRequestToLegacy(msg,
-                                                                &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanSubscribeRequest(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanSubscribeRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanSubscribeRequestToLegacy(
+            msg, &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanSubscribeRequest(ifname_, cmd_id, legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::stopSubscribeRequestInternal(
-    uint16_t cmd_id, uint8_t sessionId) {
-  legacy_hal::NanSubscribeCancelRequest legacy_msg;
-  legacy_msg.subscribe_id = sessionId;
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanSubscribeCancelRequest(
-          ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+WifiStatus WifiNanIface::stopSubscribeRequestInternal(uint16_t cmd_id,
+                                                      uint8_t sessionId) {
+    legacy_hal::NanSubscribeCancelRequest legacy_msg;
+    legacy_msg.subscribe_id = sessionId;
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanSubscribeCancelRequest(ifname_, cmd_id,
+                                                      legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::transmitFollowupRequestInternal(
     uint16_t cmd_id, const NanTransmitFollowupRequest& msg) {
-  legacy_hal::NanTransmitFollowupRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanTransmitFollowupRequestToLegacy(
-      msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanTransmitFollowupRequest(
-          ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanTransmitFollowupRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanTransmitFollowupRequestToLegacy(
+            msg, &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanTransmitFollowupRequest(ifname_, cmd_id,
+                                                       legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 WifiStatus WifiNanIface::createDataInterfaceRequestInternal(
     uint16_t cmd_id, const std::string& iface_name) {
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDataInterfaceCreate(ifname_, cmd_id, iface_name);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDataInterfaceCreate(ifname_, cmd_id, iface_name);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 WifiStatus WifiNanIface::deleteDataInterfaceRequestInternal(
     uint16_t cmd_id, const std::string& iface_name) {
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, cmd_id, iface_name);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDataInterfaceDelete(ifname_, cmd_id, iface_name);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 WifiStatus WifiNanIface::initiateDataPathRequestInternal(
     uint16_t cmd_id, const NanInitiateDataPathRequest& msg) {
-  legacy_hal::NanDataPathInitiatorRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanDataPathInitiatorRequestToLegacy(
-      msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDataRequestInitiator(ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanDataPathInitiatorRequest legacy_msg;
+    if (!hidl_struct_util::convertHidlNanDataPathInitiatorRequestToLegacy(
+            msg, &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDataRequestInitiator(ifname_, cmd_id,
+                                                    legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 WifiStatus WifiNanIface::respondToDataPathIndicationRequestInternal(
     uint16_t cmd_id, const NanRespondToDataPathIndicationRequest& msg) {
-  legacy_hal::NanDataPathIndicationResponse legacy_msg;
-  if (!hidl_struct_util::convertHidlNanDataPathIndicationResponseToLegacy(
-      msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDataIndicationResponse(
-          ifname_, cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::NanDataPathIndicationResponse legacy_msg;
+    if (!hidl_struct_util::convertHidlNanDataPathIndicationResponseToLegacy(
+            msg, &legacy_msg)) {
+        return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDataIndicationResponse(ifname_, cmd_id,
+                                                      legacy_msg);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 WifiStatus WifiNanIface::terminateDataPathRequestInternal(
     uint16_t cmd_id, uint32_t ndpInstanceId) {
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanDataEnd(ifname_, cmd_id, ndpInstanceId);
-  return createWifiStatusFromLegacyError(legacy_status);
+    legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanDataEnd(ifname_, cmd_id, ndpInstanceId);
+    return createWifiStatusFromLegacyError(legacy_status);
 }
 
 }  // namespace implementation