76 lines
2.1 KiB
Factor
76 lines
2.1 KiB
Factor
! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel sequences namespaces words assocs logging sorting
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prettyprint io io.styles io.files io.encodings.utf8
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strings combinators accessors arrays
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logging.server logging.parser calendar.format ;
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IN: logging.analysis
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SYMBOL: word-names
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SYMBOL: errors
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SYMBOL: word-histogram
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SYMBOL: message-histogram
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: analyze-entry ( entry -- )
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dup level>> { ERROR CRITICAL } memq? [ dup errors get push ] when
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1 over word-name>> word-histogram get at+
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dup word-name>> word-names get member? [
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1 over [ level>> ] [ word-name>> ] [ message>> ] tri 3array
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message-histogram get at+
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] when
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drop ;
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: analyze-entries ( entries word-names -- errors word-histogram message-histogram )
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[
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word-names set
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V{ } clone errors set
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H{ } clone word-histogram set
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H{ } clone message-histogram set
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[
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analyze-entry
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] each
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errors get
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word-histogram get
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message-histogram get
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] with-scope ;
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: histogram. ( assoc quot -- )
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standard-table-style [
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>r >alist sort-values <reversed> r> [
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[ >r swap r> with-cell pprint-cell ] with-row
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] curry assoc-each
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] tabular-output ;
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: log-entry. ( entry -- )
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"====== " write
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{
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[ date>> (timestamp>string) bl ]
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[ level>> pprint bl ]
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[ word-name>> write nl ]
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[ message>> "\n" join print ]
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} cleave ;
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: errors. ( errors -- )
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[ log-entry. ] each ;
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: analysis. ( errors word-histogram message-histogram -- )
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"==== INTERESTING MESSAGES:" print nl
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"Total: " write dup values sum . nl
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[
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dup level>> write ": " write message>> "\n" join write
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] histogram.
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nl
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"==== WORDS:" print nl
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[ write ] histogram.
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nl
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"==== ERRORS:" print nl
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errors. ;
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: analyze-log ( lines word-names -- )
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>r parse-log r> analyze-entries analysis. ;
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: analyze-log-file ( service word-names -- )
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>r parse-log-file r> analyze-entries analysis. ;
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