brbzull0 commented on PR #9610:
URL: https://github.com/apache/trafficserver/pull/9610#issuecomment-1516628329
> I read through the code. It seems the only time the response isn't empty
is if there was a parsing error. I'd be cool if there was a way to get data out
of a plugin!
The server can respond with an error like:
```
$ traffic_ctl plugin msg plugin_xyz dump -f rpc
{"jsonrpc": "2.0", "error": {"code": 10, "message": "Unauthorized action",
"data": [{"code": 2, "message": "Denied privileged API access for uid=105106
gid=100"}]}, "id": "5a30ae5f-03f4-4d44-ba33-2f51e8a77f82"}
```
```
Server Error found:
[10] Unauthorized action
- [2] Denied privileged API access for uid=1001 gid=1001
```
> I'd be cool if there was a way to get data out of a plugin!
You can do this already. A JSON-RPC handler can be located inside a plugin
and respond with data to the outside.
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