[tor-bugs] #28940 [Obfuscation/Pluggable transport]: Add support for LOG to goptlib

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#28940: Add support for LOG to goptlib
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 Reporter:  dcf                              |          Owner:  dcf
     Type:  enhancement                      |         Status:  merge_ready
 Priority:  Medium                           |      Milestone:
Component:  Obfuscation/Pluggable transport  |        Version:
 Severity:  Normal                           |     Resolution:
 Keywords:  goptlib                          |  Actual Points:
Parent ID:                                   |         Points:  0.3
 Reviewer:                                   |        Sponsor:  Sponsor19
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Comment (by dcf):

 Replying to [comment:10 ahf]:
 > I lifted out the logger and the STATUS API into a `goptlibext` package
 at https://github.com/ahf/goptlibext

 Would it help if I exposed the [https://gitweb.torproject.org/pluggable-
 transports/goptlib.git/tree/pt.go?h=v1.0.0#n262 pt.line function]? It's
 what's used internally to provide all the line-oriented output for other
 functions like `pt.Cmethod` and `pt.ProxyDone`. Or is writing to
 `pt.Stdout` good enough for your purposes?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28940#comment:11>
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