request help: can i use resty.http in body_filter send http 1.1 request and parse response body

[zhangweidongyyl]

Issue description

can i use resty.http in body_filter like this
local http = require "resty.http" -- 加载 lua-resty-http 库
httpc, err = http:new() -- 创建 http 连接对象
httpc:set_timeout(time) -- 注意名字里有一个下划线
httpc:set_timeout(connect_timeout, -- 同上
send_timeout, read_timeout)

Environment

• apisix version (cmd: apisix version):
• OS (cmd: uname -a):
• OpenResty / Nginx version (cmd: nginx -V or openresty -V):
• etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
• apisix-dashboard version, if have:
• the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
• luarocks version, if the issue is about installation (cmd: luarocks --version):

[showcup]

Yes, you can do that

[tokers]

No you can't. This is a limitation of OpenResty. resty.http uses cosocket, which is not available in the body filter phase.