Openresty WebSocket Use

Openresty websocket use 1. The code is as follows:

2. local server =require"resty.websocket.server"
4. local wb, err = server:new{
6. timeout =5000,
8. max_payload_len =65535
10. }
14. ifnot wb then
16. ngx.log(ngx.ERR,"failed to new websocket: ", err)
18. return ngx.exit(444)
20. end
24. whiletruedo
26. local data, typ, err = wb:recv_frame()
30. if wb.fatal then
32. ngx.log(ngx.ERR,"failed to receive frame: ", err)
34. return ngx.exit(444)
36. end
40. if typ =="close"thenbreak
44. elseif typ =="text"then
46. local bytes, err = wb:send_text(data)
48. ifnot bytes then
50. ngx.log(ngx.ERR,"failed to send text: ", err)
52. return ngx.exit(444)
54. end
56. end
60. end
62. wb:send_close()

2. Reference Document: Https://github.com/openresty/lua-resty-websocket

Openresty WebSocket Use