I've made a quick test and realized that long-lived connections are closed.
Pushed
https://github.com/cesanta/mongoose/commit/3cec6f6745ea9714bc77ff332072beea279bfe82
Now they're kept alive.
Please verify.


On Thu, Jun 12, 2014 at 10:42 AM, Sergey Lyubka <vale...@gmail.com> wrote:

> Hi Terence,
> I expect the connection to be kept alive in both cases (short-lived and
> long-lived requests).
> What does your handler return on MG_POLL event?
>
>
> On Wed, Jun 11, 2014 at 10:15 PM, Terence Martin <walts....@gmail.com>
> wrote:
>
>> I have a question regarding keep-alive connections and the MG_CLOSE
>> event, in particular in how they interact if you're using the
>> connection_param field in the mg_connection structure.
>>
>> The documentation for MG_CLOSE says:
>>
>> MG_CLOSE is sent when the connection is closed. This event is used to
>>> cleanup per-connection state stored in connection_param if it was
>>> allocated.
>>
>>
>> However, I have noticed that in the case of a keep-alive connection,
>> MG_CLOSE doesn't trigger until the idle timeout is reached (which makes
>> sense). This would mean that if this connection was a keep-alive and the
>> client issued a second request, the connection_param would still be set as
>> for the previous connection.
>>
>> In my case I'm having MG_REQUEST start a query and return MG_MORE, then
>> using MG_POLL to check if it's complete yet and dispatch away the results
>> if they are. To be safe I'm discarding the structure right in the MG_POLL
>> once it's no longer needed and nulling the field out to make sure that if
>> this connection was kept-alive, the next MG_POLL wouldn't use the structure
>> inappropriately.
>>
>> In my limited testing it looked like simple requests (in which MG_REQUEST
>> returns MG_TRUE) will stay alive, while connections in which MG_REQUEST
>> returns MG_MORE get MG_CLOSE invoked as soon as the data is transmitted.
>> However, I'm not sure if that's by design, a fluke, or my test is doing
>> something wonky.
>>
>> What's the best principles approach to this?
>>
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>

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