[jira] [Assigned] (TS-2577) Tracing on e.g. -T http_hdrs does not show Proxy Request headers accurately

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom reassigned TS-2577:
---------------------------------

    Assignee: Leif Hedstrom

> Tracing on e.g. -T http_hdrs does not show Proxy Request headers accurately
> ---------------------------------------------------------------------------
>
>                 Key: TS-2577
>                 URL: https://issues.apache.org/jira/browse/TS-2577
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: Leif Hedstrom
>            Assignee: Leif Hedstrom
>              Labels: review
>             Fix For: 5.0.0
>
>         Attachments: quickfix.patch
>
>
> In particular, if a plugin changes some proxy request headers in a TS_HTTP_SEND_REQUEST_HDR_HOOK, the tracer will show the header as it was *before* the plugin hooks are invoked.
> This seems wrong, and makes it difficult to debug plugin behavior. It should clearly produce the header output *after* the plugin hook. In my case, the produced output from -T http_hdrs is
> {code}
> +++++++++ Proxy's Request +++++++++
> -- State Machine Id: 0
> GET /foo/bar.jpg HTTP/1.1
> User-Agent: curl/7.32.0
> Accept: */*
> Host: host.example.com
> Client-ip: 127.0.0.1
> X-Forwarded-For: 127.0.0.1
> {code}
> However, my plugin is injecting both a Date: and an Authorization: header in a TS_HTTP_SEND_REQUEST_HDR_HOOK hook, which the origin does get. In the tracer, a later header dump shows the expected header, but it's not particularly sensical that it is shown after the request and origin response.
> {code}
> +++++++++ Cached Request Hdr +++++++++
> -- State Machine Id: 0
> GET http://host.example.com/foo/bar.jpg HTTP/1.1
> User-Agent: curl/7.32.0
> Accept: */*
> Host: host.example.com
> Client-ip: 127.0.0.1
> X-Forwarded-For: 127.0.0.1
> Date: Wed, 19 Feb 2014 21:17:29 +0000
> Authorization: AWS my-key:xxxxxxxxxxxxxxxxxxxx=
> {code}



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