[tor-bugs] #3282 [Torperf]: Extend the new Python Torperf to talk to tor's control port

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#3282: Extend the new Python Torperf to talk to tor's control port
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 Reporter:  karsten      |          Owner:  tomb 
     Type:  enhancement  |         Status:  new  
 Priority:  normal       |      Milestone:       
Component:  Torperf      |        Version:       
 Keywords:               |         Parent:  #2565
   Points:               |   Actualpoints:       
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 After finishing #3281, we should extend Torperf to talk to the control
 ports of the tor processes it started before.  Torperf should use TorCtl
 for this task similar to `extra_stats.py` and `entrycons.py`.  In fact, we
 can probably re-use most of the code from these two files.

 Connecting to tor's control port has two purposes that have to be
 performed by the new Torperf:  First, Torperf may have to influence tor's
 guard node selection algorithm depending on its configuration, and second,
 Torperf will have to process control port events and write them to a local
 .extradata file.

 Assigning to tomb upon request.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3282>
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