#34231: Document and maybe improve how we're mapping TGen transfers to Tor
streams/circuits
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Reporter: karsten | Owner: metrics-team
Type: enhancement | Status: new
Priority: Medium | Milestone:
Component: Metrics/Onionperf | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: #33328 | Points:
Reviewer: | Sponsor: Sponsor59-must
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Comment (by dennis.jackson):
I have a need for similar functionality, with a slightly different twist.
I would like to associate web requests from the Tor Browser with
particular circuits. So the mapping would be User Action -> HTTP Request
-> SOCKS Username/Password for Stream Isolation -> A Circuit.
As far as I understand TorButton uses this exact functionality internally
so as to display it to the user, however, I haven't looked into it in
enough detail to see if it is robust:
https://gitweb.torproject.org/torbutton.git/tree/chrome/content/tor-
circuit-display.js#n45
https://gitweb.torproject.org/torbutton.git/tree/components/domain-
isolator.js#n124
In particular, the following comment is informative:
{{{
// Watches for STREAM SENTCONNECT events. When a SENTCONNECT event occurs,
then
// we assume isolation settings (SOCKS username+password) are now fixed
for the
// corresponding circuit. Whenever the first stream on a new circuit is
seen,
// looks up u+p and records the node data in the credentialsToNodeDataMap.
// We need to update the circuit display immediately after any new node
data
// is received. So the `updateUI` callback will be called at that point.
// See https://trac.torproject.org/projects/tor/ticket/15493
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/34231#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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