Subject: Re: [Bluez-devel] L2CAP sockets
From: Marcel Holtmann <marcel@holtmann.org>
To: bluez-devel@lists.sourceforge.net
In-Reply-To: <20050826111844.1ACEC1DC1D6@mrelay2.st2.lyceu.net>
References: <20050826111844.1ACEC1DC1D6@mrelay2.st2.lyceu.net>
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Date: Fri, 26 Aug 2005 13:32:35 +0200

Hi Esther,

> I have a question related with BlueZ L2CAP sockets, and I hope
> somebody can help me=85
>=20
> If I want to communicate two Bluetooth devices using L2CAP, I just
> open an L2CAP socket and send data through this open socket. (Is this
> OK?).=20
>=20
> The question is related with the size and format of the data send
> throught this socket. How is the data packet created? Do I need to
> create headers and so on? What is the size of the data I can send?

the L2CAP socket is a SOCK_SEQPACKET and the MTU size can be retrieved
with a getsockopt() call.

Regards

Marcel


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