By persistent TCP I mean that the connection
is kept open until closed by the user, and not closed between each data
exchange (which the realy old and / or simple versions of TCP did).
The dump below shows what is happening
when I use the QuickTime media player to start a RTP transfer by means
of the RTSP protocol:
My application receive a DESCRIBE from
the media player via the lwIP stack, I respond with a REPLY. Then the media
player issues a SETUP, but the lwIP stack does not pass this data through
to my application, it just returns a TCP ACK on its own and then times
out.
EtheReal Dump:
No. Time
Source Destination
Protocol Info
1 0.000000
10.1.1.1 Broadcast
ARP Who has
10.1.1.70? Tell 10.1.1.1
With Regards,
Trond Kortner
R&D Engineer
Hydroacoustics
Kongsberg Maritime AS
Horten
Kieran Mansley <address@hidden> Sent by: address@hidden
10.01.2006 10:02
Please respond to
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Subject
Re: [lwip-users] RTSP / RTP
data streaming
On Tue, 2006-01-10 at 08:56 +0100, Trond Kortner wrote:
> Is there any way lwIP can be configured to handle persistent TCP
> connection? Or does it not support it at all?
I'm not sure what you mean by persistent TCP connections. Connections
in TCP should remain open until their are explicitly closed by the user
or reset by the other end, unless the user has set a timeout (e.g.
SO_KEEPALIVE).
Kieran
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