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[tor-bugs] #1826 [- Select a component]: Sending packets after RELAY_END



#1826: Sending packets after RELAY_END
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 Reporter:  mwenge                |       Owner:     
     Type:  defect                |      Status:  new
 Priority:  normal                |   Milestone:     
Component:  - Select a component  |     Version:     
 Keywords:                        |      Parent:     
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 If you run Camilo Viecco's test program at:

 svn checkout  http://tdor.googlecode.com/svn/trunk/testing/

 you'll notice that once the program cuts off the downloads at 30 seconds
 or so, Tor continues to report hefty incoming bandwidth.

 The attached dump from Wireshark shows that long after the client has sent
 a RELAY_END cell for stream 11629 it continues to receive data for that
 stream from the exit. A rough calculation suggests about 30K worth of data
 is received after the RELAY_END.

 I think this is the exit flushing it's cell queue, but given the client
 officially stopped caring after RELAY_END that's quite a bit of wasted
 bandwidth.

 (To read the attached dump search for 'RELAY_END' and keep searching until
 you find the RELAY_END for stream 11629. Everything after that is the exit
 flushing unwanted cells at the client.)

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1826>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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