我正在使用Startscream Websocket框架。只要我将所有代码保存在UIViewController
here中,一切正常。但是,只要为Startscream创建一个包装类,所有委派的函数就会停止工作。我的本地websocket服务器也没有连接。
如何让代码在包装类中运行?
MyService.swift:
import Starscream
public class MyService: WebSocketDelegate {
var socket = WebSocket(url: URL(string: "ws://localhost:3900/websocket")!)
func connect() {
socket.delegate = self
socket.connect()
print("Connecting")
}
// MARK: Websocket Delegate Methods.
public func websocketDidConnect(socket: WebSocket) {
print("websocket is connected")
}
public func websocketDidDisconnect(socket: WebSocket, error: NSError?) {
if let e = error {
print("websocket is disconnected: \(e.localizedDescription)")
} else {
print("websocket disconnected")
}
}
public func websocketDidReceiveMessage(socket: WebSocket, text: String) {
print("Received text: \(text)")
}
public func websocketDidReceiveData(socket: WebSocket, data: Data) {
print("Received data: \(data.count)")
}
// MARK: Write Text Action
@IBAction func writeText(_ sender: UIBarButtonItem) {
socket.write(string: "hello there!")
}
// MARK: Disconnect Action
@IBAction func disconnect(_ sender: UIBarButtonItem) {
if socket.isConnected {
sender.title = "Connect"
socket.disconnect()
} else {
sender.title = "Disconnect"
socket.connect()
}
}
}
ViewController.swift:
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let service = MyService()
service.connect()
}
}
答案 0 :(得分:2)
The reference to Service
in ViewController
was not stored anywhere so as soon as the function was run it was cleaned up. This is how I fixed it:
class ViewController: UIViewController {
var service = MyService()
override func viewDidLoad() {
super.viewDidLoad()
service.connect()
}
...
答案 1 :(得分:0)
我不确定您的代码有什么问题,它可能是端点问题,或者WS不是以某种方式分配的。我和使用Swift 3的Starscream有相同的代码,这是我班级的主要部分。
class ConnectionManager {
private var savedSocket: WebSocket?
fileprivate var socket: WebSocket {
if let saved = savedSocket {
return saved
}
let wsURL = URL(string: UserDefaultsManager.wsURLString)!
savedSocket = WebSocket(url: wsURL)
return savedSocket!
}
func startSession() {
if (socket.isConnected) { return }
socket.headers = headers
socket.delegate = self
socket.connect()
}
func endSession() {
if (socket.isConnected) {
socket.disconnect()
}
}
}
extension ConnectionManager: WebSocketDelegate {
func websocketDidConnect(socket: WebSocket) {
}
func websocketDidDisconnect(socket: WebSocket, error: NSError?){
if let e = error {
log.error("websocket is disconnected with ERROR: \(e.localizedDescription)")
} else {
log.error("websocket disconnected")
}
}
func websocketDidReceiveMessage(socket: WebSocket, text: String){
}
func websocketDidReceiveData(socket: WebSocket, data: Data){
}
}
我的代码肯定不是最佳做法,但它没有任何问题。尝试使用我的版本,也许它会适合你。