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Re: [tor-bugs] #1944 [Torperf]: Set up a Torperf to a hidden service

#1944: Set up a Torperf to a hidden service
-------------------------+----------------------
     Reporter:  arma     |      Owner:
         Type:  task     |     Status:  assigned
     Priority:  normal   |  Milestone:
    Component:  Torperf  |    Version:
   Resolution:           |   Keywords:  SponsorR
Actual Points:           |  Parent ID:  #2552
       Points:  3        |
-------------------------+----------------------

Comment (by arma):

 Replying to [comment:25 arma]:
 > We could get a NACK response from the intro point, meaning "the hidden
 service you asked me to introduce you to didn't have an intro circuit open
 to me, sorry".

 For added fun, the NACK comes in the form of an
 RELAY_COMMAND_INTRODUCE_ACK cell that has non-zero length. From the
 control port you can tell because you get
 {{{
 650 CIRC_MINOR 16 PURPOSE_CHANGED
 $3C79699D4FBC37DE1A212D5033B56DAE079AC0EF~bauruine203,$F73B3830B42FEFBA61524A7A3D99CFD83C57E3C9~rmblack,$0145DA9E666663E9E59B400DC6110239560DFC2A~archangelgabriel,$F528DED21EACD2E4E9301EC0AABD370EDCAD2C47~ryro
 BUILD_FLAGS=IS_INTERNAL,NEED_CAPACITY,NEED_UPTIME PURPOSE=HS_CLIENT_INTRO
 HS_STATE=HSCI_CONNECTING REND_QUERY=jfpm7mbwdnyzwgfx
 TIME_CREATED=2014-09-24T21:38:02.263585 OLD_PURPOSE=HS_CLIENT_INTRO
 OLD_HS_STATE=HSCI_INTRO_SENT
 }}}
 where it used to be in OLD_HS_STATE=HSCI_INTRO_SENT but now it's in
 HS_STATE=HSCI_CONNECTING. That's because we just extend that circuit one
 more hop and try introducing again. But if that circuit already has too
 many hops, you instead just see a direct transition from HSCI_CONNECTING
 to CLOSED:
 {{{
 650 CIRC_MINOR 8 PURPOSE_CHANGED
 $3C79699D4FBC37DE1A212D5033B56DAE079AC0EF~bauruine203,$87C1E26B58E72906A6413AD3DDD29E867B6F3339~scottishpornstar,$AAB884CD032C27923198F3B3671819B522D44CA3~SakharovTorNodeA01x,$5A16F7E31B26F286889F20027F57A5E253AF3F23~servbr4a,$F8D27B163B9247B232A2EEE68DD8B698695C28DE~fluxe3,$F528DED21EACD2E4E9301EC0AABD370EDCAD2C47~ryro
 BUILD_FLAGS=IS_INTERNAL,NEED_CAPACITY PURPOSE=HS_CLIENT_INTRO
 HS_STATE=HSCI_CONNECTING REND_QUERY=jfpm7mbwdnyzwgfx
 TIME_CREATED=2014-09-24T21:37:40.375965 OLD_PURPOSE=HS_CLIENT_INTRO
 OLD_HS_STATE=HSCI_INTRO_SENT
 650 CIRC 8 CLOSED
 $3C79699D4FBC37DE1A212D5033B56DAE079AC0EF~bauruine203,$87C1E26B58E72906A6413AD3DDD29E867B6F3339~scottishpornstar,$AAB884CD032C27923198F3B3671819B522D44CA3~SakharovTorNodeA01x,$5A16F7E31B26F286889F20027F57A5E253AF3F23~servbr4a,$F8D27B163B9247B232A2EEE68DD8B698695C28DE~fluxe3,$F528DED21EACD2E4E9301EC0AABD370EDCAD2C47~ryro
 BUILD_FLAGS=IS_INTERNAL,NEED_CAPACITY PURPOSE=HS_CLIENT_INTRO
 HS_STATE=HSCI_CONNECTING REND_QUERY=jfpm7mbwdnyzwgfx
 TIME_CREATED=2014-09-24T21:37:40.375965 REASON=FINISHED
 }}}

 I wonder if we want to add an explicit CIRC_MINOR event for the nack case?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1944#comment:26>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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