Maison > développement back-end > Tutoriel C#.Net > Solution au problème selon lequel le serveur de déploiement WebSocket ne peut pas se connecter au réseau externe

Solution au problème selon lequel le serveur de déploiement WebSocket ne peut pas se connecter au réseau externe

黄舟
Libérer: 2017-09-26 10:40:56
original
3944 Les gens l'ont consulté

La première chose que je veux dire est le problème que j'ai rencontré :

<span class="typ">WebSocket<span class="pln"> la connexion à <span class="str">'ws://www.xxxx.com/xxx/xx'<span class="pln"> a échoué<span class="pun"> :<span class="pln "> Erreur<span class="pln"> lors de <span class="typ">WebSocket<span class="pln"> poignée de main<span class="pun"> :<span class="pln "> <span class="typ">Code de réponse<span class="pln"> inattendu<span class="pun"> :<span class="pln"> <span class="lit">200 <br>Le site web est lié au serveur, et il est possible d'accéder au service webSocket directement sur le serveur. Cependant, lorsque j'utilise le réseau externe pour y accéder, cette erreur est mon plus grand ennemi que j'ai rencontré. des voleurs avant, et je peux facilement le résoudre. , n'en parlons plus, affrontons directement le patron<br><br>J'ai passé deux après-midi à chercher une solution, mais je ne l'ai pas trouvée. mais en décrivant directement ce problème en utilisant .NET, cela n'a pas fonctionné. Pas beaucoup, mais beaucoup d'amis ont été confrontés à ce problème. <br>Cela n'a rien à voir avec des problèmes de navigateur. Je l'ai testé avec Firefox, Google et IE, et les problèmes attendus surviennent toujours. <br>Plateforme de développement : .NET, utilisez ASP.NET MVC pour créer le site Web<code><span class="typ">WebSocket<span class="pln"> connection to <span class="str">'ws://www.xxxx.com/xxx/xx'<span class="pln"> failed<span class="pun">:<span class="pln"> <span class="typ">Error<span class="pln"> during <span class="typ">WebSocket<span class="pln"> handshake<span class="pun">:<span class="pln"> <span class="typ">Unexpected<span class="pln"> response code<span class="pun">:<span class="pln"> <span class="lit">200<br>网站绑定到了服务器,直接在服务器上访问webSocket服务是可行的,但是当我用外网访问时,这个错误就是我最大的敌人,在这之前还遇到过几个小毛贼,可以轻松解决,不再提,直面boss吧<br><br>花费两个下午的时间寻找解决方案,但是并没有找到,各种解决方案,但是直接来描述.NET下使用这一问题的,却是不多,然而面对了这一问题的朋友,大把的有。<br>这个无关浏览器问题,我有火狐,谷歌,IE测试过,该出的问题还是会有。<br>开发平台:.NET,利用ASP.NET MVC搭建网站</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit">,在其中利用WebSocket服务,目的是在网站内设计一个讨论平台。<br></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"><span style="font-size: 15px"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun "> <span class="pln"><span class="lit">, qui utilise le service WebSocket dans le but de concevoir une plateforme de discussion au sein du site Web. <br></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"><span style="font-size: 15px"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> 具体来说一说:</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="typ"><span class="pln"><span class="str"><span classe="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class=" pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"></span><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span classe="jeu de mots"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class=" jeu de mots"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span classe="pln"><span class="lit"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span classe="lit">Pour être précis : <p class="lang-java prettyprint prettyprinted"><span style="font-size: 15px"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span classe="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"><span style="font-size: 15px"><code><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span classe="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit">首先,看下我的网页代码</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit">:</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>


<script type="text/javascript">
        $(function () {            
        var url = "ws://xxxx:xx"+"@Url.Action("RequestProcessCenter")";            
        var ws;            
        function connect() {
                ws = new WebSocket(url);
                $("#TopicContent").append("正在连接\n");
                ws.onopen = function () {
                    $("#TopicContent").append("已经连接\n");
                };
                ws.onmessage = function (evt) {
                    console.log(evt.data);
                    $("#TopicContent").append(evt.data);
                };
                ws.onclose = function () {
                    $("#TopicContent").append("已经关闭\n");
                };
                ws.onerror = function (evt) {
                    console.log(evt.data);
                    $("#TopicContent").append(evt.data);
                };
            };
            $("#send").click(function () {
                console.log(1);
                console.log(ws.readyState);
                console.log(WebSocket.OPEN);                
                if (ws.readyState == WebSocket.OPEN) {
                    ws.send($("#content").val());
                    $(this).val("");
                }                else {
                    $("#TextMessge").append("连接已经关闭");
                }
            });
            $("#open").click(function () {
                connect();
            });
            $("#close").click(function () {
                ws.close();
            });
        });    </script>
Copier après la connexion



public void RequestProcessCenter()
        {            if (HttpContext.IsWebSocketRequest)
            {                var currUser = GetCurrUser();                
            this._UserName = currUser.LoginName;
                HttpContext.AcceptWebSocketRequest(ProcessTopic);
            }            else
            {
                HttpContext.Response.Write("请求失败哟");
            }
        }
Copier après la connexion

<span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="pun"><span classe="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class=" pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit">首先,看下我的网页代码</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<span class="typ"><span class="pln"><span class="str"><span class="pln"><span class="jeu de mots"><span class="pln"><span class="typ"><span class="pln"><span class="typ"><span class="pln"><span class="pun "><span class="pln"><span class="typ"><span class="pln"><span class="pun"><span class="pln"><span class="lit"> :<p><br><br><br></p> <p><br></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p>后台代码: webSocket所要求的url格式我想应该是不会配错。错误显示如图: 返回200,尽管是请求成功了,  请求方式也确实是websocket了,这是为什么呢?查询了很多资料,但是并没有发现真正解决这一问题的,或许是我找的方式有问题,但是百度前三页我是看了,并没有想要的解决方案。自己动手,做了个测试, Il s'agit d'un système WebSocket.用和网站绑定的同一端口呢?经过该测试: 1.本地80端口绑定域名 webSocket利用域名,端口80 无效 2.本地80端口绑定域名 webSocket利用2017端口 主机地址用服务器ip地址 有效 3. Version 2017 de la version webSocket des années 80 Version  4. Version 2017 de la version webSocket version 2017效总结 80端口可能受系统限制另一方面:域名绑定是否会影响 没有测试 成功解决了外网虽返回200却不能使用websocket服务的问题。这种情况下需要注意的是, Il s'agit d'un système IIS qui fonctionne avec WebSocket et WebSocket.个网站可以使用同一个程序版本,我就是这么做的,没有什么好的想法,菜鸟级人物。 这个网站介绍了WebSocket的一些知识,以及websocket默认使用80-433端口,或许我在想,是不是我网站绑定的端口和websocket绑定相同端口时,外网请求就是此时出的错呢,这个问题也一时半会不能深究,暂时性的功能是达到了,但是感觉只能是说满足了需求,却不能简化需求过程。 留下一个猜想,我在服务器上访问时,是可行的,都是使用80端口,websocket服务能够正常使用,那是因为在服务器上发起时、 Il s'agit d'une application WebSocket, d'une application WebSocket et d'une application WebSocket.防火墙识别出问题。 </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

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