Websocket将Unity日志输出到网页

发表于

Unity中查看日志时如果很多就会特别卡，或者在手机上时查看日志很费劲，尝试了一下用Websocket输出到网页上，方便查看。

服务端

服务端为了方便使用node.js，只需要十几行代码即可完成。

index.js

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var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);

app.get('/', function(req, res){
  res.sendFile(__dirname + '/index.html');
});

var userId = 0;
io.on('connection', function(socket){
  socket.userId = userId ++;
  console.log('a user connected, user id: ' + socket.userId);

  socket.on('log', function(msg){
    console.log('message from user#' + socket.userId + ": " + msg);
    io.emit('log', {
      id: socket.userId,
      msg: msg
    });
  });
});

http.listen(3000, function(){
  console.log('listening on *:3000');
});

index.html

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<!doctype html>
<html>
  <head>
    <title>Socket.IO chat</title>
    <style>
      * { margin: 0; padding: 0; box-sizing: border-box; }
      body { font: 13px Helvetica, Arial; }
      form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
      form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
      form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; }
      #messages { list-style-type: none; margin: 0; padding: 0; }
      #messages li { padding: 5px 10px; }
      #messages li:nth-child(odd) { background: #eee; }
    </style>
  </head>

<script src="/socket.io/socket.io.js"></script>
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<script>
  $(function () {
    var socket = io();
    $('form').submit(function(){
      socket.emit('log', $('#m').val());
      $('#m').val('');
      return false;
    });
    socket.on('log', function(data){
      $('#messages').append($('<li>').text("user#" + data.id + ": " + data.msg));
    });
  });
</script>

  <body>
    <ul id="messages"></ul>
    <form action="">
      <input id="m" autocomplete="off" /><button>Send</button>
    </form>
  </body>
</html>

package.json

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{
  "name": "socket.io-unity-test-server",
  "version": "0.0.1",
  "description": "test server in node.js for socket.io-unity",
  "dependencies": {
    "express": "^4.15.3",
    "socket.io": "^2.0.1"
  }
}

运行服务端

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npm install
node index.js

客户端

C#代码，挂在场景中的某个组件上即可

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Quobject.SocketIoClientDotNet.Client;

public class SocketIOScript : MonoBehaviour {
	public string serverURL = "http://localhost:3000";
	protected Socket socket = null;
    float time = 0;

	void Destroy() {
		DoClose ();
	}

	// Use this for initialization
	void Start () {
		DoOpen ();
	}
	
	// Update is called once per frame
	void Update () {
        time += Time.deltaTime;
        if (time >= 5)
        {
            SendChat(Time.time.ToString());
            time = 0;
        }
	}

	void DoOpen() {
		if (socket == null) {
			socket = IO.Socket (serverURL);
			socket.On (Socket.EVENT_CONNECT, () => {
                SendChat("================");
			});
		}
	}

	void DoClose() {
		if (socket != null) {
			socket.Disconnect ();
			socket = null;
		}
	}

	void SendChat(string str) {
		if (socket != null) {
			socket.Emit ("log", str);
		}
	}
}

最后把Unity的Debug.Log封装一下，里面在输出日志的时候SendChat函数即可。

客户端使用Websocket依赖的库：下载地址

Snipaste_2019-11-29_16-10-13.png

目前缺点是这几个库很容易跟其他插件冲突，暂时还没找到C#合适的Websocket库。

运行效果

Snipaste_2019-11-29_16-21-22.png