我目前已经建立了一个简单的Signalr Hub,我正在从Unity5项目中向其中推送消息。鉴于SignalR2客户端不兼容Unity5,我使用websocketsharp来拦截websocket帧。消息已成功推送到Hub中,但当我尝试在客户端上调用方法时,我收到的负载字符串只有消息标识符{"I": 0},而没有内容。
通过查阅SignalR文档,我发现这个信息是最后发送的,但我不知道该如何获取它。我相信这是一件简单的事情,但就是想不出来。
更新
根据要求,我下面添加了该项目的代码...
SignalRClient.cs
通过查阅SignalR文档,我发现这个信息是最后发送的,但我不知道该如何获取它。我相信这是一件简单的事情,但就是想不出来。
更新
根据要求,我下面添加了该项目的代码...
SignalRClient.cs
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using Newtonsoft.Json;
using WebSocketSharp;
namespace Assets.Scripts
{
class SignalRClient
{
private WebSocket _ws;
private string _connectionToken;
private Dictionary<string, UnTypedActionContainer> _actionMap;
private readonly string _socketUrl = "http://localhost/";
private readonly string _socket = "ws://localhost/";
public SignalRClient()
{
_actionMap = new Dictionary<string, UnTypedActionContainer>();
var webRequest = (HttpWebRequest)WebRequest.Create(_socketUrl + "/signalr/negotiate?connectionData=%5B%7B%22name%22%3A%22myHub%22%7D%5D&clientProtocol=1.3");
var response = (HttpWebResponse)webRequest.GetResponse();
using (var sr = new StreamReader(response.GetResponseStream()))
{
var payload = sr.ReadToEnd();
UnityEngine.Debug.Log(payload);
_connectionToken = Uri.EscapeDataString(JsonConvert.DeserializeObject<NegotiateResponse>(payload).ConnectionToken);
//UnityEngine.Debug.Log(_connectionToken);
}
}
public void Open()
{
_ws = _ws == null
? new WebSocket(_socket + "signalr/connect?transport=webSockets&connectionToken=" + _connectionToken)
: new WebSocket(_socket + "signalr/reconnect?transport=webSockets&connectionToken=" + _connectionToken);
AttachAndConnect();
}
public void Close()
{
_ws.Close();
}
public void SendMessage(string name, string message)
{
//{"H":"chathub","M":"Send","A":["tester","hello"],"I":0}
var payload = new RollerBallWrapper()
{
H = "myhub",
M = "Send",
A = new[] { name, message },
I = 12
};
var wsPacket = JsonConvert.SerializeObject(payload);
_ws.Send(wsPacket);
}
private void AttachAndConnect()
{
_ws.OnClose += _ws_OnClose;
_ws.OnError += _ws_OnError;
_ws.OnMessage += _ws_OnMessage;
_ws.OnOpen += _ws_OnOpen;
_ws.Connect();
}
void _ws_OnOpen(object sender, EventArgs e)
{
UnityEngine.Debug.Log("Opened Connection");
}
//
// This seems to be retriving the last frame containing the Identifier
void _ws_OnMessage(object sender, MessageEventArgs e)
{
//UnityEngine.Debug.Log(e.Data); // Returns {"I":"0"} ????
}
void _ws_OnError(object sender, WebSocketSharp.ErrorEventArgs e)
{
UnityEngine.Debug.Log(e.Message);
}
void _ws_OnClose(object sender, CloseEventArgs e)
{
UnityEngine.Debug.Log(e.Reason + " Code: " + e.Code + " WasClean: " + e.WasClean);
}
public void On<T>(string method, Action<T> callback) where T : class
{
_actionMap.Add(method, new UnTypedActionContainer
{
Action = new Action<object>(x =>
{
callback(x as T);
}),
ActionType = typeof(T)
});
}
}
internal class UnTypedActionContainer
{
public Action<object> Action { get; set; }
public Type ActionType { get; set; }
}
class MessageWrapper
{
public string C { get; set; }
public RollerBallWrapper[] M { get; set; }
}
class RollerBallWrapper
{
public string H { get; set; }
public string M { get; set; }
public string[] A { get; set; }
public int I { get; set; }
}
}
MyHub.cs
using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNet.SignalR;
public class MyHub : Hub
{
public void Send(string name, string message)
{
var myConn = Context.ConnectionId;
Clients.All.broadcastMessage("John", "Hello");
}
}