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Date: Wed, 11 Jan 2006 15:09:46 +0100
From: daune.jf@daune-consult.com
To: dev@directory.apache.org
Subject: Re: [Mina] 'messageSent' semantic
References: <20060111125642.nu35uq6lcicgk4ko@webmail.daune-consult.com>
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Niklas Therning <niklas@trillian.se> a =E9crit=A0:

> daune.jf@daune-consult.com wrote:
>> Hi,
>>
>> when I receive the 'messageSent' notification, what is its semantic?
>>
>> Does it mean that the receiving end has received the message (from a 
>> TCP point
>> of view, i.e. that all bytes have been received)?
>>
>> Regards,
>>
>> J-F
>
> No, it only means that the message has been written to the 
> SocketChannel corresponding to the session. There's no guarantee that 
> the receiving side has received any of the message bytes yet.
>
> /Niklas

Thanks Niklas.

Some clarifications:

- Is it possible to know when message has really been received?

- If not why? Is it due to TCP/IP, OS, sockets, use of non-blocking I/O ?

Thanks,

J-F