102 lines
2.9 KiB
Factor
102 lines
2.9 KiB
Factor
! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien.c-types alien.syntax combinators csv
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io.backend io.encodings.utf8 io.files io.files.info io.streams.string
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io.files.unix kernel math.order namespaces sequences sorting
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system unix unix.statfs.linux unix.statvfs.linux io.files.links
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arrays io.files.info.unix assocs io.pathnames unix.types
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classes.struct ;
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FROM: csv => delimiter ;
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IN: io.files.info.unix.linux
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TUPLE: linux-file-system-info < unix-file-system-info
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namelen ;
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M: linux new-file-system-info linux-file-system-info new ;
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M: linux file-system-statfs ( path -- byte-array )
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\ statfs64 <struct> [ statfs64 io-error ] keep ;
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M: linux statfs>file-system-info ( struct -- statfs )
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{
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[ f_type>> >>type ]
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[ f_bsize>> >>block-size ]
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[ f_blocks>> >>blocks ]
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[ f_bfree>> >>blocks-free ]
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[ f_bavail>> >>blocks-available ]
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[ f_files>> >>files ]
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[ f_ffree>> >>files-free ]
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[ f_fsid>> >>id ]
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[ f_namelen>> >>namelen ]
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[ f_frsize>> >>preferred-block-size ]
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! [ statfs64-f_spare >>spare ]
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} cleave ;
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M: linux file-system-statvfs ( path -- byte-array )
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\ statvfs64 <struct> [ statvfs64 io-error ] keep ;
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M: linux statvfs>file-system-info ( struct -- statfs )
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{
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[ f_flag>> >>flags ]
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[ f_namemax>> >>name-max ]
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} cleave ;
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TUPLE: mtab-entry file-system-name mount-point type options
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frequency pass-number ;
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: mtab-csv>mtab-entry ( csv -- mtab-entry )
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[ mtab-entry new ] dip
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{
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[ first >>file-system-name ]
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[ second >>mount-point ]
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[ third >>type ]
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[ fourth <string-reader> csv first >>options ]
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[ 4 swap nth >>frequency ]
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[ 5 swap nth >>pass-number ]
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} cleave ;
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: parse-mtab ( -- array )
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[
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"/etc/mtab" utf8 <file-reader>
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CHAR: \s delimiter set csv
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] with-scope
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[ mtab-csv>mtab-entry ] map ;
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M: linux file-systems
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parse-mtab [
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[ mount-point>> file-system-info ] keep
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{
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[ file-system-name>> >>device-name ]
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[ mount-point>> >>mount-point ]
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[ type>> >>type ]
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} cleave
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] map ;
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: (find-mount-point) ( path mtab-paths -- mtab-entry )
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2dup at* [
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2nip
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] [
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drop [ parent-directory ] dip (find-mount-point)
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] if ;
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: find-mount-point ( path -- mtab-entry )
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canonicalize-path
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parse-mtab [ [ mount-point>> ] keep ] H{ } map>assoc (find-mount-point) ;
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ERROR: file-system-not-found ;
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M: linux file-system-info ( path -- )
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normalize-path
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[
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[ new-file-system-info ] dip
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[ file-system-statfs statfs>file-system-info ]
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[ file-system-statvfs statvfs>file-system-info ] bi
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file-system-calculations
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] keep
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find-mount-point
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{
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[ file-system-name>> >>device-name drop ]
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[ mount-point>> >>mount-point drop ]
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[ type>> >>type ]
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} 2cleave ;
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