本文介绍了Spring Websocket 升级请求处理的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试将 Spring Websocket 与 Sockjs 和 STOMPjs 一起使用.如前所述 Spring Websocket文档，在/info请求之后，客户端向/websocket发送协议升级请求.HTTP 状态 101 预期来自客户端.
I am trying to use Spring Websocket with Sockjs and STOMPjs. As mentioned Spring Websocket Documentation, after the /info request, client send protocol upgrade request to /websocket. HTTP Status 101 expected from client.
在我的应用程序中，Spring Websocket 按预期返回 Http 101，但在 10 秒内.
In my application, Spring Websocket returns Http 101 as expected, however within 10 second.
Spring Websocket 日志；
Spring Websocket logs;
2018-04-12 14:27:50.219 DEBUG 24509 --- [nio-8080-exec-6] s.w.s.h.LoggingWebSocketHandlerDecorator : WebSocketServerSockJsSession[id=z52e0a20] closed with CloseStatus[code=1001, reason=null]
2018-04-12 14:27:50.219 DEBUG 24509 --- [nio-8080-exec-6] o.s.w.s.m.SubProtocolWebSocketHandler : Clearing session z52e0a20
2018-04-12 14:27:50.220 DEBUG 24509 --- [boundChannel-14] o.s.w.s.m.SubProtocolWebSocketHandler : No session for GenericMessage [payload=byte[0], headers={simpMessageType=DISCONNECT_ACK, simpDisconnectMessage=GenericMessage [payload=byte[0], headers={simpMessageType=DISCONNECT, stompCommand=DISCONNECT, simpSessionAttributes={org.springframework.messaging.simp.SimpAttributes.COMPLETED=true}, simpUser=com.gohm.server.entity.auth.UserAuthentication@4794d8fc, simpSessionId=z52e0a20}], simpUser=com.gohm.server.entity.auth.UserAuthentication@4794d8fc, simpSessionId=z52e0a20}]
2018-04-12 14:27:52.651 DEBUG 24509 --- [nio-8080-exec-5] o.s.w.s.s.s.WebSocketHandlerMapping : Matching patterns for request [/api/v3/websocket/info] are [/api/v3/websocket/**]
2018-04-12 14:27:52.652 DEBUG 24509 --- [nio-8080-exec-5] o.s.w.s.s.s.WebSocketHandlerMapping : URI Template variables for request [/api/v3/websocket/info] are {}
2018-04-12 14:27:52.652 DEBUG 24509 --- [nio-8080-exec-5] o.s.w.s.s.s.WebSocketHandlerMapping : Mapping [/api/v3/websocket/info] to HandlerExecutionChain with handler [org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler@73a845cb] and 1 interceptor
2018-04-12 14:27:52.652 DEBUG 24509 --- [nio-8080-exec-5] o.s.w.s.s.t.h.DefaultSockJsService : Processing transport request: GET http://192.168.0.58:8080/api/v3/websocket/info?t=1523532470618
2018-04-12 14:27:52.668 DEBUG 24509 --- [io-8080-exec-10] o.s.w.s.s.s.WebSocketHandlerMapping : Matching patterns for request [/api/v3/websocket/645/l5ayzctd/websocket] are [/api/v3/websocket/**]
2018-04-12 14:27:52.668 DEBUG 24509 --- [io-8080-exec-10] o.s.w.s.s.s.WebSocketHandlerMapping : URI Template variables for request [/api/v3/websocket/645/l5ayzctd/websocket] are {}
2018-04-12 14:27:52.668 DEBUG 24509 --- [io-8080-exec-10] o.s.w.s.s.s.WebSocketHandlerMapping : Mapping [/api/v3/websocket/645/l5ayzctd/websocket] to HandlerExecutionChain with handler [org.springframework.web.socket.sockjs.support.SockJsHttpRequestHandler@73a845cb] and 1 interceptor
2018-04-12 14:27:52.669 DEBUG 24509 --- [io-8080-exec-10] o.s.w.s.s.t.h.DefaultSockJsService : Processing transport request: GET http://192.168.0.58:8080/api/v3/websocket/645/l5ayzctd/websocket
2018-04-12 14:27:52.669 TRACE 24509 --- [io-8080-exec-10] o.s.w.s.s.s.DefaultHandshakeHandler : Processing request http://192.168.0.58:8080/api/v3/websocket/645/l5ayzctd/websocket with headers={host=[192.168.0.58:8080], user-agent=[Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0], accept=[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8], accept-language=[en-GB,en;q=0.5], accept-encoding=[gzip, deflate], sec-websocket-version=[13], origin=[null], sec-websocket-extensions=[permessage-deflate], sec-websocket-key=[nf8F1qYfIjSrgm9AqhE3CA==], cookie=[JSESSIONID=2CBA278B1D63F0D3E8E5BBDD324792CC], connection=[keep-alive, Upgrade], pragma=[no-cache], cache-control=[no-cache], upgrade=[websocket]}
2018-04-12 14:27:52.669 TRACE 24509 --- [io-8080-exec-10] o.s.w.s.s.s.DefaultHandshakeHandler : Upgrading to WebSocket, subProtocol=null, extensions=[]
2018-04-12 14:28:02.678 DEBUG 24509 --- [io-8080-exec-10] s.w.s.h.LoggingWebSocketHandlerDecorator : New WebSocketServerSockJsSession[id=l5ayzctd]
2018-04-12 14:28:02.678 TRACE 24509 --- [io-8080-exec-10] o.s.w.s.adapter.NativeWebSocketSession : Sending TextMessage payload=[o], byteCount=1, last=true], StandardWebSocketSession[id=7, uri=/api/v3/websocket/645/l5ayzctd/websocket]
2018-04-12 14:28:02.678 TRACE 24509 --- [io-8080-exec-10] s.w.s.s.t.s.WebSocketServerSockJsSession : Scheduled heartbeat in session l5ayzctd
2018-04-12 14:28:02.694 TRACE 24509 --- [nio-8080-exec-9] s.w.s.h.LoggingWebSocketHandlerDecorator : Handling TextMessage payload=[CONNECT
x-..], byteCount=821, last=true] in WebSocketServerSockJsSession[id=l5ayzctd]
2018-04-12 14:28:02.694 TRACE 24509 --- [nio-8080-exec-9] o.s.w.s.m.StompSubProtocolHandler : From client: CONNECT session=l5ayzctd
2018-04-12 14:28:02.694 INFO 24509 --- [nio-8080-exec-9] c.g.s.c.AuthChannelInterceptorAdapter : Header auth token: {{my_token}}}
2018-04-12 14:28:02.698 TRACE 24509 --- [boundChannel-15] s.w.s.s.t.s.WebSocketServerSockJsSession : Cancelling heartbeat in session l5ayzctd
2018-04-12 14:28:02.698 TRACE 24509 --- [boundChannel-15] s.w.s.s.t.s.WebSocketServerSockJsSession : Preparing to write SockJsFrame content='a["CONNECTED\nversion:1.1\nheart-beat:0,0\nuser-name:admin\n\n\u0000"]'
2018-04-12 14:28:02.698 TRACE 24509 --- [boundChannel-15] s.w.s.s.t.s.WebSocketServerSockJsSession : Writing SockJsFrame content='a["CONNECTED\nversion:1.1\nheart-beat:0,0\nuser-name:admin\n\n\u0000"]'
2018-04-12 14:28:02.698 TRACE 24509 --- [boundChannel-15] o.s.w.s.adapter.NativeWebSocketSession : Sending TextMessage payload=[a["CONNECT..], byteCount=68, last=true], StandardWebSocketSession[id=7, uri=/api/v3/websocket/645/l5ayzctd/websocket]
2018-04-12 14:28:02.698 TRACE 24509 --- [boundChannel-15] s.w.s.s.t.s.WebSocketServerSockJsSession : Scheduled heartbeat in session l5ayzctd
2018-04-12 14:28:02.716 TRACE 24509 --- [nio-8080-exec-2] s.w.s.h.LoggingWebSocketHandlerDecorator : Handling TextMessage payload=[SUBSCRIBE
..], byteCount=49, last=true] in WebSocketServerSockJsSession[id=l5ayzctd]
2018-04-12 14:28:02.716 TRACE 24509 --- [nio-8080-exec-2] o.s.w.s.m.StompSubProtocolHandler : From client: SUBSCRIBE /user/queue/admin id=sub-0 session=l5ayzctd
2018-04-12 14:28:02.716 TRACE 24509 --- [nio-8080-exec-2] s.w.s.h.LoggingWebSocketHandlerDecorator : Handling TextMessage payload=[SUBSCRIBE
..], byteCount=52, last=true] in WebSocketServerSockJsSession[id=l5ayzctd]
2018-04-12 14:28:02.717 TRACE 24509 --- [nio-8080-exec-2] o.s.w.s.m.StompSubProtocolHandler : From client: SUBSCRIBE /user/queue/errors id=sub-1 session=l5ayzctd
和浏览器日志；
Opening Web Socket... stomp.min.js:8:1737
XHRGET http://192.168.0.58:8080/api/v3/websocket/info?t=1523532470618 [HTTP/1.1 200 2007ms]
GET http://192.168.0.58:8080/api/v3/websocket/645/l5ayzctd/websocket [HTTP/1.1 101 10012ms]
Web Socket Opened... stomp.min.js:8:1737
>>> CONNECT
x-auth-token:{{x_auth_token}}
accept-version:1.1,1.0
heart-beat:0,0
� stomp.min.js:8:1737
<<< CONNECTED
version:1.1
heart-beat:0,0
user-name:admin
� stomp.min.js:8:1737
connected to server undefined stomp.min.js:8:1737
>>> SUBSCRIBE
id:sub-0
destination:/user/queue/admin
� stomp.min.js:8:1737
>>> SUBSCRIBE
id:sub-1
destination:/user/queue/errors
�
如你所见，之后有 10 秒的沉默
As you can see clearly, there is 10 seconds of silence after
2018-04-12 14:27:52.669 TRACE 24509 --- [io-8080-exec-10] oswsssDefaultHandshakeHandler:升级到 WebSocket，subProtocol=null，extensions=[]
我使用以下内容配置了我的 WebSocketBroker；
I configured my WebSocketBroker with the following;
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry
.addEndpoint("/api/v3/websocket")
.setHandshakeHandler(new DefaultHandshakeHandler(new TomcatRequestUpgradeStrategy()))
.setAllowedOrigins("*")
.withSockJS()
.setClientLibraryUrl("https://cdnjs.cloudflare.com/ajax/libs/sockjs-client/1.1.4/sockjs.min.js");
}
问题:我应该关注哪里来解决这个延迟?我尝试了不同的计算机、不同的浏览器等.总是有大约 10 秒的延迟发生.
Question:Where should I focus to solve this delay? I tried different computer, different browser etc. Always ~10seconds of delay happening.
推荐答案
我找到了问题的原因，有点尴尬.结果是我使用的路由器导致了这种奇怪的行为.我将开发计算机连接到移动热点，一切正常.
I found the cause of problem and it is a little bit embarrassing. Turn out that the router that I used cause this strange behavior. I connect development computer to mobile hotspot and everything works as expected.
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