iOS 中有 Socket.io 的事件

Question

我目前正在为 swift 使用 Socket.io 客户端，我已经能够与服务器建立连接，但由于某种原因，我无法接收事件。我已经尝试运行它进行调试，它从 iOS 客户端接收事件，但它没有执行 addUser 函数。我遗漏了一些明显的东西，但我不知道它是什么。

main.js

var app = require('http').createServer()
var io = require('socket.io')(app);
app.listen(6979)

io.on('connection', function(socket){
  console.log('a user connected');
  io.emit('hi there:');
});

io.on('addUser', function(username){
      console.log('ran addUser');
      io.emit(username);
      console.log(username);
 });

Swift

import UIKit
import Socket_IO_Client_Swift

class ViewController: UIViewController {
    var name:String?
    let socket = SocketIOClient(socketURL: "http://xxx.xxx.xxx.xxx:6979", options: [.Log(true), .ForcePolling(true)])

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    @IBAction func connect(sender: AnyObject) {
        socket.connect()
    }

    @IBAction func sendMessage(sender: AnyObject) {

    }

    @IBAction func sendUsername(sender: AnyObject) {
        let username = "yay"
        socket.emit("addUser", username)
    }
}

Answer 1

首先（可能）应该是

let socket = SocketIOClient(socketURL: "/", options: [.Log(true), .ForcePolling(true)])

那么服务器端应该是这样的

io.on('connection', function(socket){
    console.log('a user connected');

    socket.on('addUser', function(username){
        console.log('ran addUser');
        io.emit(username); // do you really need to do it?
        console.log(username);
    });

});

至少这应该能让您在服务器端接收 addUser 事件。

iOS 中有 Socket.io 的事件

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