func enableFilterConfiguration()

in deployment/macos/diagnostic/SystemExtensionTester/SystemExtensionTester/ViewController.swift [239:274]

29 lines of code
4 McCabe index (conditional complexity)


    func enableFilterConfiguration() {

        let filterManager = NEFilterManager.shared()

        loadFilterConfiguration { success in

            guard success else {
                self.status = .stopped
                return
            }

            if filterManager.providerConfiguration == nil {
                let providerConfiguration = NEFilterProviderConfiguration()
                providerConfiguration.filterSockets = true
                providerConfiguration.filterPackets = true
                filterManager.providerConfiguration = providerConfiguration
                if let appName = Bundle.main.infoDictionary?["CFBundleName"] as? String {
                    filterManager.localizedDescription = appName
                }
            }

            filterManager.isEnabled = true

            filterManager.saveToPreferences { saveError in
                DispatchQueue.main.async {
                    if let error = saveError {
                        os_log("Failed to save the filter configuration: %@", error.localizedDescription)
                        self.status = .stopped
                        return
                    }

                    self.registerWithProvider()
                }
            }
        }
    }