Nginx Agent WebSocket frequently interrupted solution, how to maintain long connection

background

这天气够热的，要处理的事情也够多的。。。。

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want to see the solution, direct ctrl+f search keyword ' configuration point ' The beginning of the confession (to see the reason for this, personal opinion, does not mean right)

Explanation: Today with nginx anti-generation communication project, found that the average 1 minutes or so, there will be websocket connection interruption, and then look at a bit, is the problem of Nginx.

The reason is: nginx waiting for your first communication and the second communication time difference , more than it set the maximum waiting period , in short, the timeout , so it snapped a broken, Start the resolution step.

Solution One

 其实只要配置nginx.conf的对应localhost里面的这几个参数就好

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1. Proxy_connect_timeout;
2. Proxy_read_timeout;
3. Proxy_send_timeout;

Solutions Two

发心跳包，原理就是在有效地再读时间内进行通讯，重新刷新再读时间

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Note: The location of the configuration is localhost, giving a brief address

 http {server {location/{root html index index.html index.htm; Proxy_pass http://webscoket; proxy_http_version 1.1; proxy_ Connect_timeout 4s;  #配置点1 proxy_read_timeout 60s;  #配置点2, if not effective, you can consider this time configuration long proxy_send_timeout 12s;  #配置点3 proxy_set_header Upgrade $http _upgrade;  #这是webSocket的配置, unrelated to this blog Proxy_set_header Connection  #这是webSocket的配置, not related to this blog}}}         

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Explanation of Configuration 2

Note : This is the server for you to wait for the maximum time , that is, when you websocket using Nginx forwarding, with the above configuration 2, if there is no communication within 60 seconds , will still be disconnected , so you can set it according to your needs.

Example:
For example, I set 10 minutes, then if I have 10 minutes of communication, or 10 minutes of heartbeat, it is possible to keep the connection uninterrupted, detailed view of individual needs

Http://nginx.org/en/docs/http/websocket.html

Nginx Agent WebSocket frequently interrupted solution, how to maintain long connection