[tor-bugs] #9166 [Tor]: Write a UTP-based channel implementation

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#9166: Write a UTP-based channel implementation
---------------------------+------------------------------------------------
 Reporter:  nickm          |          Owner:                  
     Type:  defect         |         Status:  new             
 Priority:  normal         |      Milestone:  Tor: unspecified
Component:  Tor            |        Version:                  
 Keywords:  tor-relay utp  |         Parent:  #9165           
   Points:                 |   Actualpoints:                  
---------------------------+------------------------------------------------

Comment(by karsten):

 I re-ran the 4 GB simulation with Shadow master, and I do see logs for UDP
 sockets, but transfer statistics are all zero.  (I'm supposed to look at
 rx-bytes and tx-bytes, right?)  Here's an example:

 {{{
 0:0:3:165168 [thread-0] 0:0:0:010000000 [shadow-message]
 [4uthority1-73.1.0.0] [_tracker_logSocket] [shadow-heartbeat] [socket-
 header] descriptor-number,protocol-string,hostname:port-peer,inbuflen-
 bytes,inbufsize-bytes,outbuflen-bytes,outbufsize-bytes,rx-bytes,tx-
 bytes;...
 0:0:7:569507 [thread-0] 0:1:0:010000000 [shadow-message]
 [4uthority1-73.1.0.0] [_tracker_logSocket] [shadow-heartbeat] [socket]
 1000007,UDP,UNSPEC:0,0,174760,0,131072,0,0;1000010,TCP,4uthority1:9112,0,16777216,0,16777216,574,2106;
 2:29:45:053655 [thread-0] 0:59:0:080521716 [shadow-message]
 [4uthority1-73.1.0.0] [_tracker_logSocket] [shadow-heartbeat] [socket]
 1000007,UDP,UNSPEC:0,0,174760,0,131072,0,0;1000033,TCP,exit4:9111,0,87380,31595,31595,249294,3432501;1000041,TCP,exit5:9111,0,87380,42775,42775,771244,10249000;1000049,TCP,exit6:9111,0,87380,88987,88987,777624,12352633;1000057,TCP,exit7:9111,0,521900,521687,521687,1583954,27365551;1000065,TCP,exit8:9111,0,268260,0,268260,52603126,3147344;1000238,TCP,nonexit11:9111,0,87380,0,54187,2154,2154;1000824,TCP,exit2:9111,0,87380,0,16384,0,0;1000908,TCP,nonexit8:9111,0,87380,0,24277,66,652;1000938,TCP,nonexit10:9111,0,87380,0,38340,66,652;1001007,TCP,nonexit3:9111,0,87380,0,117347,0,0;1001026,TCP,nonexit10:9111,0,87380,0,35145,0,0;
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9166#comment:14>
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