func run()

in TLSify/Sources/TLSify/main.swift [41:74]

• 34 lines of code
• 4 McCabe index (conditional complexity)

    func run() throws {
        var tlsConfig = TLSConfiguration.makeClientConfiguration()
        switch self.tlsCertificateValidation {
        case "none":
            tlsConfig.certificateVerification = .none
        case "no-hostname":
            tlsConfig.certificateVerification = .noHostnameVerification
        default:
            tlsConfig.certificateVerification = .fullVerification
        }
        let sslContext = try NIOSSLContext(configuration: tlsConfig)
        MultiThreadedEventLoopGroup.withCurrentThreadAsEventLoop { el in
            ServerBootstrap(group: el)
                .serverChannelOption(ChannelOptions.socketOption(.so_reuseaddr), value: 1)
                .childChannelInitializer { channel in
                    channel.pipeline.addHandler(TLSProxy(host: self.connectHost,
                                                         port: self.connectPort,
                                                         sslContext: sslContext,
                                                         logger: rootLogger))
                }
                .bind(host: self.listenHost, port: self.listenPort)
            .map { channel in
                rootLogger.info("Listening on \(channel.localAddress!)")
            }
            .whenFailure { error in
                rootLogger.error("Couldn't bind to \(self.listenHost):\(self.listenPort): \(error)")
                el.shutdownGracefully { error in
                    if let error = error {
                        preconditionFailure("EL shutdown failed: \(error)")
                    }
                }
            }
        }
    }