websocket-rails:服务器发出 http://协议；客户期望 ws://协议 [英] websocket-rails: Server emits http:// protocol; client expects ws:// protocol
问题描述
请注意服务器 URL 上缺少协议前缀.不要将 http://或 ws://添加到您传递给新调度程序的 URL.WebSocketRails 将为您选择最佳的可用传输并自动添加正确的前缀.
Notice the lack of a protocol prefix on the server URL. Do not add http:// or ws:// to the URL that you pass to the new dispatcher. WebSocketRails will choose the best available transport for you and prepend the correct prefix automatically.
我是第一次使用 WebSocketRails.我在客户端收到此错误:
I'm using WebSocketRails for the first time. I'm getting this error in the client:
WebSocket 连接到 'ws://localhost:3000/websocket' 失败:在收到握手响应之前连接已关闭
WebSocket connection to 'ws://localhost:3000/websocket' failed: Connection closed before receiving a handshake response
如果我将浏览器导航到 http://localhost:3000/websocket，我会收到我期望的消息.如果我导航到 ws URL，我会得到 ERR_DISALLOWED_URL_SCHEME.所以看起来服务器正在生成消息，但客户端正在尝试错误的协议.
If I navigate my browser to http://localhost:3000/websocket, I get the messages that I am expecting. If I navigate to the ws URL, I get ERR_DISALLOWED_URL_SCHEME. So it appears that the server is producing the messages, but the client is trying the wrong protocol.
如何强制客户端使用 http 协议而不是 ws，或者强制服务器使用 ws 而不是广播它http?
How do I force the client to use the http protocol rather than ws, or force the server to broadcast it with ws rather than http?
推荐答案
终于通过挖掘源代码找到了答案.构造函数的第二个参数称为use_websockets，默认为true.将其设置为 false 显然会强制它使用 http 而不是 ws.
Finally found the answer by digging into the source code. The second parameter of the constructor is called use_websockets and defaults to true. Setting it to false apparently forces it to use http instead of ws.
var dispatcher = new WebSocketRails('localhost:3000/websocket',false);
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