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Re: libcurl and http2

From: venkatesh perumalla <perumalla.venki_at_gmail.com>
Date: Thu, 5 Sep 2013 23:28:45 +0530

I see there are somany challenges. If we use same interface.
On 5 Sep 2013 23:18, "venkatesh perumalla" <perumalla.venki_at_gmail.com>
wrote:

> Little explanation in below link.
>
> http://stackoverflow.com/questions/10480122/difference-between-http-pipeling-and-http-multiplexing-with-spdy
>
> In case of pipeline mode, it is gaurantees that we get in the same
> sequence.
> Suppose if multi handle has E1, E2 & E3 which has same physical
> connection(socket).
> In multi, it takes one after the other easy handle, So when data arrives
> at that socket, we directly update E1 status and data.
> Also in *curl_multi_runsingle,* we directly update the E1 status.
>
> In case of http2 or spdy, if we use same multi interface, if we read from
> socket, it would have come for E2 or E3.
> May be we can apply some logic, getting the all the easy handles form
> multi and update the corresponding Easy handles.
> But in *curl_multi_runsingle,* we directly update the E1 status.
>
>
>
>
> On Thu, Sep 5, 2013 at 9:43 PM, Daniel Stenberg <daniel_at_haxx.se> wrote:
>
>> On Thu, 5 Sep 2013, venkatesh perumalla wrote:
>>
>> for supporting the http2, will you be providing the new inteface? other
>>> than easy and multi interface.
>>>
>>
>> No. I don't see any need to. Do you?
>>
>>
>> As per protocol of spdy and http2. Responses are not sequential,
>>> response order can be anything. Also has priorites.
>>>
>>
>> Like with 1.1 each request gets a response. Sure, it can do multiple
>> streams over the same physical connection but they are still requests that
>> get responses. And priorities can easily just be a new easy_setopt option
>> if we think we need that feature.
>>
>>
>> Whether you have plan to integrate with multi interface?
>>>
>>
>> I think it can be made to work just like pipelining with libcurl does
>> today.
>>
>> But sure, if you have ideas or bring patches I'll listen to other
>> suggestions. We're still very early in the http2 area.
>>
>>
>> --
>>
>> / daniel.haxx.se
>> ------------------------------**------------------------------**-------
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>
>

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Received on 2013-09-05