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[lwip-users] [lwip] FW: delayed tcp_write() with raw stack interface ?
From: |
Jimi Simpson |
Subject: |
[lwip-users] [lwip] FW: delayed tcp_write() with raw stack interface ? |
Date: |
Wed, 08 Jan 2003 23:46:38 -0000 |
Hi again,
If I am correct then all I am missing is a call to tcp_output()
immediately following a successful tcp_write(). Is this the correct way
to do it?
Regards Jimi
/***********************************************************************
**************************/
> Hi again,
>
> When I perform a tcp_write() to a remote server I find that the actual
> <PSH, ACK> (observed using ethereal) does not occur until I receive
> some data into the client application. For you information I am
> confident that the tcp fast and slow timers are being called and when
> data is received into the client application I observe a successful
> transmission to the server and a consequent <ACK>. I have spent a fair
> few hours now trying to track down what I believe to be a problem, but
> I am now questioning my own sanity. Is it the case that in the lwip
> implementation that the tcp_write does not get processed until data is
> received or am I missing something else?
>
> Regards Jimi
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