90 lines
2.5 KiB
Factor
90 lines
2.5 KiB
Factor
! Copyright (C) 2008, 2010 Eduardo Cavazos, Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors calendar combinators continuations debugger fry
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io io.encodings.utf8 io.files io.sockets kernel make
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mason.common mason.config mason.platform math.order namespaces
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prettyprint sequences smtp ;
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IN: mason.email
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: mason-email ( body content-type subject -- )
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'[
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<email>
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builder-from get >>from
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builder-recipients get >>to
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_ >>body
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_ >>content-type
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_ >>subject
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send-email
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] [
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"E-MAILING FAILED:" print
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error. flush
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] recover ;
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: subject-prefix ( -- string )
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"mason on " platform ": " 3append ;
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: report-subject ( status -- string )
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[
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subject-prefix %
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current-git-id get 7 short head %
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" -- " %
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{
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{ status-clean [ "clean" ] }
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{ status-dirty [ "dirty" ] }
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{ status-error [ "error" ] }
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} case %
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] "" make ;
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: email-report ( report status -- )
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[ "text/html" ] dip report-subject mason-email ;
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! Some special logic to throttle the amount of fatal errors
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! coming in, if eg git-daemon goes down on factorcode.org and
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! it fails pulling every 5 minutes.
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SYMBOL: last-email-time
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SYMBOL: next-email-time
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: send-email-throttled? ( -- ? )
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! We sent too many errors. See if its time to send a new
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! one again.
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now next-email-time get-global after?
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[ f next-email-time set-global t ] [ f ] if ;
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: throttle-time ( -- dt ) 6 hours ;
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: throttle-emails ( -- )
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! Last e-mail was less than 20 minutes ago. Don't send any
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! errors for 4 hours.
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throttle-time hence next-email-time set-global
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f last-email-time set-global ;
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: maximum-frequency ( -- dt ) 30 minutes ;
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: send-email-capped? ( -- ? )
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! We're about to send an error after sending another one.
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! See if we should start throttling emails.
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last-email-time get-global
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maximum-frequency ago
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after?
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[ throttle-emails f ] [ t ] if ;
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: email-fatal? ( -- ? )
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{
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{ [ next-email-time get-global ] [ send-email-throttled? ] }
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{ [ last-email-time get-global ] [ send-email-capped? ] }
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[ now last-email-time set-global t ]
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} cond
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dup [ now last-email-time set-global ] when ;
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: email-fatal ( string subject -- )
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[ print nl print flush ]
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[
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email-fatal? [
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now last-email-time set-global
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[ "text/plain" subject-prefix ] dip append
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mason-email
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] [ 2drop ] if
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] 2bi ;
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