Thank you ! From the logs it looks like the proxy response is dumped before
callback to the plugin.
Logs:
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpSM.cc:1474
(state_api_callout)> (http) [79] calling plugin on hook
*TS_HTTP_READ_REQUEST_HDR_HOOK
*at hook 0x55af01a68fc0
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpSM.cc:1358
(state_api_callback)> (http) [79] [&HttpSM::state_api_callback,
HTTP_API_ERROR]
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpSM.cc:1398
(state_api_callout)> (http) [79] [&HttpSM::state_api_callout,
HTTP_API_ERROR]
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpTransact.cc:1439
(HandleApiErrorJump)> (http_trans) [79] [HttpTransact::HandleApiErrorJump]
+++++++++ Proxy's Response 2 +++++++++
-- State Machine Id: 79
HTTP/1.1 500 INKApi Error^M
Date: Wed, 28 Feb 2018 12:16:24 GMT^M
Connection: close^M
^M
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpTransact.cc:1472
(HandleApiErrorJump)> (http_trans) Next action
SM_ACTION_INTERNAL_CACHE_NOOP; nullptr
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpSM.cc:7272
(call_transact_and_set_next_state)> (http) [79] State Transition:
SM_ACTION_API_READ_REQUEST_HDR -> SM_ACTION_INTERNAL_CACHE_NOOP
[Feb 28 12:16:24.833] Server {0x7f7dceee7700} DEBUG: <HttpSM.cc:1474
(state_api_callout)> (http) [79]* calling plugin on hook
TS_HTTP_SEND_RESPONSE_HDR_HOOK at hook 0x55af01a68ec0*
On Wed, Feb 28, 2018 at 10:40 PM, Alan Carroll <solidwallofc...@oath.com>
wrote:
> Proxy response should be after most hooks, i.e. what is sent back to the
> user agent. If you really want to be sure, I'd use wireshark. If you are
> doing a transform, you will generally need wireshark to see the transformed
> content.
>
> On Wed, Feb 28, 2018 at 6:06 AM, supraja sridhar <
> suprajasridha...@gmail.com> wrote:
>
>> Hi,
>>
>> Is there a way to look at the response after it is subjected to hooks in
>> ATS? I am running trafficserver in foreground with the -Thttp tag and I can
>> see OS request, Proxy request, Proxy request after hooks for requests but
>> only OS response and Proxy response for response. I have a plugin similar
>> to blacklist-0 and would like to if the response transform has taken place.
>>
>> Thanks,
>> Supraja
>>
>
>
