[SIP Beyond VoIP] MSRP File transfer

[Paulo Fidalgo]

I've re-writed the method /_write_file/ in MSRPSession class in order to 
take a file and send the chunks in MSRP send messages, as I wish to do.

I suspect that I should be doing something wrong with the response 
timers, because when I run the client (with caller and calle) in the 
same machine I can get a file transfer of ~70MB to finish, but when 
running on diferent machines (either the sip-session or boghe) the 
transfer is canceled.

I've uploaded the function here: https://gist.github.com/1181470

My suspect is /cb_and_timer/ since there is one instance per transaction 
id, but /outgoing_file.on_transaction_response/ acts in message_id, wich 
is the same for all the messages.

Can anybody give me an hint?

Thanks for your attention,

Paulo Fidalgo

On 29-08-2011 17:15, Adrian Georgescu wrote:
> Well, is a software library, nobody stops you to use it differently and send the files in any ways you consider appropriate.
>
> Adrian
>
> On Aug 29, 2011, at 6:11 PM, Paulo Fidalgo wrote:
>
>> Hi!
>>
>> I think there's a misunderstanding here. I want to send data chunks in MSRP SEND Messages, and in SIPSIMPLE it sends the whole file streamed in 64KB pieces.
>> What I want is to send one MSRP SEND Message for every 64KB of data, instead of send a a SEND message then stream the data.
>>
>> I think both approaches are right according to the RFC, although the one which sends an MSRP message for every chunk introduces more overhead.
>>
>> PS: by data I mean file binary data only, not the MSRP message with headers.
>>
>> Best regards,
>>
>> Paulo Fidalgo
>>
>> On 29-08-2011 17:00, Saúl Ibarra Corretgé wrote:
>>> Hi,
>>>
>>> On Aug 29, 2011, at 5:52 PM, Paulo Fidalgo wrote:
>>>
>>>> Hi Saúl!
>>>>
>>>> You are right, but this is only true for the first chunk, because in further chunks only data is written (in _write_file method).
>>>>
>>> What do you mean by 'only data' ? A single MSRP message is sent, but the data is streamed in 64KB pieces.
>>>
>>> Regards,
>>>
>>> --
>>> Saúl Ibarra Corretgé
>>> AG Projects
>>>
>>>
>>>
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