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Corrected a bug in the buffering of TCP data 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1289 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo 2008-11-19 20:05:55 +00:00
parent 0bd7074a2d
commit c467815ba2
3 changed files with 9 additions and 0 deletions
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4
nuttx/ChangeLog
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@ -572,4 +572,8 @@
to refill the input buffer. The old behavior (read full blocks) might be useful in other
contexts, so it is still available within the driver as a configuration option.
* Implement poll() and select() support for TCP/IP sockets
* Fixed an important bug in the TCP/IP buffering logic. When TCP/IP read-ahead is enabled
and not recv() is in-place when a TCP/IP packet is received, the packet is placed into
a read-ahead buffer. However, the old contents of the read-ahead buffer were not being
cleared and old data would contaminate the newly received buffer.

4
nuttx/Documentation/NuttX.html
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@ -1208,6 +1208,10 @@ nuttx-0.3.19 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
to refill the input buffer. The old behavior (read full blocks) might be useful in other
contexts, so it is still available within the driver as a configuration option.
* Implement poll() and select() support for TCP/IP sockets
* Fixed an important bug in the TCP/IP buffering logic. When TCP/IP read-ahead is enabled
and not recv() is in-place when a TCP/IP packet is received, the packet is placed into
a read-ahead buffer. However, the old contents of the read-ahead buffer were not being
cleared and old data would contaminate the newly received buffer.
pascal-0.1.3 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>

1
nuttx/net/uip/uip-tcpcallback.c
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@ -172,6 +172,7 @@ uip_dataevent(struct uip_driver_s *dev, struct uip_conn *conn, uint16 flags)
if (readahead2)
{
readahead2->rh_nbytes = 0;
(void)uip_readahead(readahead2, buf, buflen);
/* Save the readahead buffer in the connection structure where