On 28/08/2012, at 7:34 AM, vijay mamidi <vijaybhaskar.mam...@gmail.com> wrote:

> all the transaction based hooks can be reenabled with
> TSHttpTxnReenable and when the plugin involves transformations they
> should be reenabled with VIOReenable

Thanks Vihay. I was trying to test the plugin by registering every hook and I 
was unwittingly registering the transform hooks :(

> 
> -Vijay
> 
> On Tue, Aug 28, 2012 at 7:04 AM, James Peach <jpe...@apache.org> wrote:
>> On 27/08/2012, at 11:07 PM, vijay mamidi <vijaybhaskar.mam...@gmail.com> 
>> wrote:
>> 
>>> VIO should be reenabled with VIOReenable
>> 
>> AFACIT TS_EVENT_HTTP_READ_RESPONSE_HDR gives a TSHttpTxn as the event data. 
>> Which VIO do you mean?
>> 
>>> 
>>> -Vijay
>>> 
>>> On Mon, Aug 27, 2012 at 10:39 PM, James Peach <jpe...@apache.org> wrote:
>>>> Hi all,
>>>> 
>>>> I have a little Lua example that trips all the ssn and txn hooks. The 
>>>> callback function for each hook just calls TSHttpTxnReenable(). I'm 
>>>> finding that re-enablin the transaction in response to a 
>>>> TS_EVENT_HTTP_READ_RESPONSE_HDR event always asserts.
>>>> 
>>>> I figured that calling TSHttpTxnReenable() was always the right thing to 
>>>> do ... are there cases where it must not be called, os is this just a bug?
>>>> 
>>>> [Aug 27 22:35:10.631] Server {0xab52000} DIAG: (lua) LuaDemuxTxnHook: 
>>>> LuaDemuxTxnHook(HTTP_READ_RESPONSE_HDR_HOOK) lthread=0x7ffa98d015e0 
>>>> event=60006 edata=0xf8eb2d0
>>>> [Aug 27 22:35:10.632] Server {0xab52000} DIAG: (hooks) handling 
>>>> transaction event 60006
>>>> FATAL: ../iocore/eventsystem/I_VConnection.h:391: failed assert 
>>>> `!"VConnection::do_io_write -- " "cannot use default implementation"`
>>>> /opt/ats/bin/traffic_server - STACK TRACE:
>>>> 0   libtsutil.3.dylib                   0x0000000109aa6df7 ink_fatal + 359
>>>> 1   libtsutil.3.dylib                   0x0000000109aa5d52 _ink_assert + 66
>>>> 2   traffic_server                      0x0000000108eb9842 
>>>> _ZN16DummyVConnection11do_io_writeEP12ContinuationxP14IOBufferReaderb + 66
>>>> 3   traffic_server                      0x0000000108ef2b31 
>>>> _ZN20TransformVConnection11do_io_writeEP12ContinuationxP14IOBufferReaderb 
>>>> + 225
>>>> 4   traffic_server                      0x0000000108f942c0 
>>>> _ZN10HttpTunnel12producer_runEP18HttpTunnelProducer + 1904
>>>> 5   traffic_server                      0x0000000108f93a6b 
>>>> _ZN10HttpTunnel10tunnel_runEP18HttpTunnelProducer + 203
>>>> 6   traffic_server                      0x0000000108f53d4d 
>>>> _ZN6HttpSM14set_next_stateEv + 3405
>>>> 7   traffic_server                      0x0000000108f3af21 
>>>> _ZN6HttpSM32call_transact_and_set_next_stateEPFvPN12HttpTransact5StateEE + 
>>>> 497
>>>> 8   traffic_server                      0x0000000108f3f1e6 
>>>> _ZN6HttpSM17handle_api_returnEv + 326
>>>> 9   traffic_server                      0x0000000108f3e015 
>>>> _ZN6HttpSM17state_api_calloutEiPv + 2805
>>>> 10  traffic_server                      0x0000000108f3d485 
>>>> _ZN6HttpSM18state_api_callbackEiPv + 485
>>>> 11  traffic_server                      0x0000000108eae170 
>>>> TSHttpTxnReenable + 448
>>>> 12  lua.so                              0x000000000f376daf 
>>>> _ZL18LuaHttpTxnContinueP9lua_State + 47
>>>> 13  lua.so                              0x000000000f37b339 lj_BC_FUNCC + 52
>> 

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