if _, err := subnet.LookupConfig(s[config.SubnetSubSys][config.Default], nil); err != nil {
			return err
		}
	case config.CallhomeSubSys:
		cfg, err := callhome.LookupConfig(s[config.CallhomeSubSys][config.Default])
		if err != nil {
			return err
		}
		// callhome cannot be enabled if license is not registered yet, throw an error.
		if cfg.Enabled() && !globalSubnetConfig.Registered() {

	globalLocalNodeNameHex string
	globalNodeNamesHex     = make(map[string]struct{})

	// The global subnet config
	globalSubnetConfig subnet.Config

	// The global callhome config
	globalCallhomeConfig callhome.Config

	// The global drive config
	globalDriveConfig drive.Config

	// Global server's network statistics
	globalConnStats = newConnStats()

	// Global HTTP request statistics

		}
		return
	}

	if result.Dynamic {
		applyDynamic(ctx, objectAPI, result.Cfg, result.SubSys, r, w)
		// If logger webhook config updated (proxy due to callhome), explicitly dynamically
		// apply the config
		if result.LoggerWebhookCfgUpdated {
			applyDynamic(ctx, objectAPI, result.Cfg, config.LoggerWebhookSubSys, r, w)
		}
	}

	writeSuccessResponseHeadersOnly(w)

      this.connection?.incrementSuccessCount()
    }

    if (callDone) {
      return callDone(e)
    }

    return e
  }

  internal fun noMoreExchanges(e: IOException?): IOException? {
    var callDone = false
    this.withLock {
      if (expectMoreExchanges) {
        expectMoreExchanges = false
        callDone = !requestBodyOpen && !responseBodyOpen
      }
    }