factor/mongodb/driver/driver.factor

283 lines
8.0 KiB
Factor

USING: accessors assocs bson.constants bson.writer combinators
constructors continuations destructors formatting fry io io.pools
io.encodings.binary io.sockets io.streams.duplex kernel linked-assocs hashtables
math math.parser memoize mongodb.connection mongodb.msg mongodb.operations namespaces
parser prettyprint sequences sets splitting strings uuid arrays ;
IN: mongodb.driver
TUPLE: mdb-pool < pool mdb ;
TUPLE: mdb-cursor id query ;
UNION: boolean t POSTPONE: f ;
TUPLE: mdb-collection
{ name string }
{ capped boolean initial: f }
{ size integer initial: -1 }
{ max integer initial: -1 } ;
: <mdb-collection> ( name -- collection )
[ mdb-collection new ] dip >>name ; inline
M: mdb-pool make-connection
mdb>> mdb-open ;
: <mdb-pool> ( mdb -- pool ) mdb-pool <pool> swap >>mdb ;
CONSTANT: MDB-GENERAL-ERROR 1
CONSTANT: PARTIAL? "partial?"
CONSTANT: DIRTY? "dirty?"
ERROR: mdb-error id msg ;
<PRIVATE
GENERIC: <mdb-cursor> ( id query/get-more -- cursor )
M: mdb-query-msg <mdb-cursor>
mdb-cursor boa ;
M: mdb-getmore-msg <mdb-cursor>
query>> mdb-cursor boa ;
: >mdbregexp ( value -- regexp )
first <mdbregexp> ; inline
PRIVATE>
SYNTAX: r/ ( token -- mdbregexp )
\ / [ >mdbregexp ] parse-literal ;
: with-db ( mdb quot -- ... )
'[ _ mdb-open &dispose _ with-connection ] with-destructors ; inline
: build-id-selector ( assoc -- selector )
[ MDB_OID_FIELD swap at ] keep
H{ } clone [ set-at ] keep ;
GENERIC: update-query ( result query/cursor -- )
M: mdb-query-msg update-query
swap [ start#>> ] [ returned#>> ] bi + >>skip# drop ;
M: mdb-getmore-msg update-query
query>> update-query ;
: make-cursor ( mdb-result-msg query/cursor -- cursor/f )
over cursor>> 0 >
[ [ update-query ]
[ [ cursor>> ] dip <mdb-cursor> ] 2bi
] [ 2drop f ] if ;
DEFER: send-query
GENERIC: verify-query-result ( result query/get-more -- mdb-result-msg query/get-more )
M: mdb-query-msg verify-query-result ;
M: mdb-getmore-msg verify-query-result
over flags>> ResultFlag_CursorNotFound =
[ nip query>> [ send-query-plain ] keep ] when ;
: send-query ( query/get-more -- cursor/f result )
[ send-query-plain ] keep
verify-query-result
[ collection>> >>collection drop ]
[ return#>> >>requested# ]
[ make-cursor ] 2tri
swap objects>> ;
PRIVATE>
: <mdb> ( db host port -- mdb )
<inet> t [ <mdb-node> ] keep
H{ } clone [ set-at ] keep <mdb-db>
[ verify-nodes ] keep ;
GENERIC: create-collection ( name -- )
M: string create-collection
<mdb-collection> create-collection ;
M: mdb-collection create-collection ( mdb-collection -- )
[ cmd-collection ] dip
<linked-hash> [
[ [ name>> "create" ] dip set-at ]
[ [ [ capped>> ] keep ] dip
'[ _ _
[ [ drop t "capped" ] dip set-at ]
[ [ size>> "size" ] dip set-at ]
[ [ max>> "max" ] dip set-at ] 2tri ] when
] 2bi
] keep <mdb-query-msg> 1 >>return# send-query-plain drop ;
: load-collection-list ( -- collection-list )
namespaces-collection
H{ } clone <mdb-query-msg> send-query-plain objects>> ;
<PRIVATE
: ensure-valid-collection-name ( collection -- )
[ ";$." intersect length 0 > ] keep
'[ _ "%s contains invalid characters ( . $ ; )" sprintf throw ] when ; inline
USE: tools.continuations
: (ensure-collection) ( collection -- )
mdb-instance collections>> dup keys length 0 =
[ load-collection-list
[ [ "options" ] dip key? ] filter
[ [ "name" ] dip at "." split second <mdb-collection> ] map
over '[ [ ] [ name>> ] bi _ set-at ] each ] [ ] if
[ dup ] dip key? [ drop ]
[ [ ensure-valid-collection-name ] keep create-collection ] if ;
MEMO: reserved-namespace? ( name -- ? )
[ "$cmd" = ] [ "system" head? ] bi or ;
MEMO: check-collection ( collection -- fq-collection )
dup mdb-collection? [ name>> ] when
"." split1 over mdb-instance name>> =
[ nip ] [ drop ] if
[ ] [ reserved-namespace? ] bi
[ [ (ensure-collection) ] keep ] unless
[ mdb-instance name>> ] dip "%s.%s" sprintf ;
: fix-query-collection ( mdb-query -- mdb-query )
[ check-collection ] change-collection ; inline
PRIVATE>
: <query> ( collection query -- mdb-query )
<mdb-query-msg> ; inline
GENERIC# limit 1 ( mdb-query limit# -- mdb-query )
M: mdb-query-msg limit ( query limit# -- mdb-query )
>>return# ; inline
GENERIC# skip 1 ( mdb-query skip# -- mdb-query )
M: mdb-query-msg skip ( query skip# -- mdb-query )
>>skip# ; inline
: asc ( key -- spec ) [ 1 ] dip H{ } clone [ set-at ] keep ; inline
: desc ( key -- spec ) [ -1 ] dip H{ } clone [ set-at ] keep ; inline
GENERIC# sort 1 ( mdb-query quot -- mdb-query )
M: mdb-query-msg sort ( query qout -- mdb-query )
[ { } ] dip with-datastack >>orderby ;
GENERIC# hint 1 ( mdb-query index-hint -- mdb-query )
M: mdb-query-msg hint ( mdb-query index-hint -- mdb-query )
>>hint ;
GENERIC: get-more ( mdb-cursor -- mdb-cursor objects )
M: mdb-cursor get-more ( mdb-cursor -- mdb-cursor objects )
[ [ query>> dup [ collection>> ] [ return#>> ] bi ]
[ id>> ] bi <mdb-getmore-msg> swap >>query send-query ]
[ f f ] if* ;
GENERIC: find ( mdb-query -- cursor result )
M: mdb-query-msg find
fix-query-collection send-query ;
M: mdb-cursor find
get-more ;
GENERIC: explain. ( mdb-query -- )
M: mdb-query-msg explain.
t >>explain find nip . ;
GENERIC: find-one ( mdb-query -- result/f )
M: mdb-query-msg find-one
fix-query-collection
1 >>return# send-query-plain objects>>
dup empty? [ drop f ] [ first ] if ;
GENERIC: count ( mdb-query -- result )
M: mdb-query-msg count
[ collection>> "count" H{ } clone [ set-at ] keep ] keep
query>> [ over [ "query" ] dip set-at ] when*
[ cmd-collection ] dip <mdb-query-msg> find-one
[ check-ok nip ] keep '[ "n" _ at >fixnum ] [ f ] if ;
: lasterror ( -- error )
cmd-collection H{ { "getlasterror" 1 } } <mdb-query-msg>
find-one [ "err" ] dip at ;
GENERIC: validate. ( collection -- )
M: string validate.
[ cmd-collection ] dip
"validate" H{ } clone [ set-at ] keep
<mdb-query-msg> find-one [ check-ok nip ] keep
'[ "result" _ at print ] [ ] if ;
M: mdb-collection validate.
name>> validate. ;
<PRIVATE
: send-message-check-error ( message -- )
send-message lasterror [ [ MDB-GENERAL-ERROR ] dip mdb-error ] when* ;
PRIVATE>
GENERIC: save ( collection assoc -- )
M: assoc save
[ check-collection ] dip
<mdb-insert-msg> send-message-check-error ;
GENERIC: save-unsafe ( collection object -- )
M: assoc save-unsafe
[ check-collection ] dip
<mdb-insert-msg> send-message ;
GENERIC: ensure-index ( collection name spec -- )
M: assoc ensure-index
H{ } clone
[ [ uuid1 "_id" ] dip set-at ] keep
[ [ "key" ] dip set-at ] keep
[ [ "name" ] dip set-at ] keep
[ [ index-ns "ns" ] dip set-at ] keep
[ index-collection ] dip
save ;
: drop-index ( collection name -- )
H{ } clone
[ [ "index" ] dip set-at ] keep
[ [ "deleteIndexes" ] dip set-at ] keep
[ cmd-collection ] dip <mdb-query-msg>
find-one drop ;
: <update> ( collection selector object -- update-msg )
[ check-collection ] 2dip <mdb-update-msg> ;
: >upsert ( mdb-update-msg -- mdb-update-msg )
1 >>upsert? ;
GENERIC: update ( mdb-update-msg -- )
M: mdb-update-msg update
send-message-check-error ;
GENERIC: update-unsafe ( mdb-update-msg -- )
M: mdb-update-msg update-unsafe
send-message ;
GENERIC: delete ( collection selector -- )
M: assoc delete
[ check-collection ] dip
<mdb-delete-msg> send-message-check-error ;
GENERIC: delete-unsafe ( collection selector -- )
M: assoc delete-unsafe
[ check-collection ] dip
<mdb-delete-msg> send-message ;
: load-index-list ( -- index-list )
index-collection
H{ } clone <mdb-query-msg> find nip ;
: ensure-collection ( name -- )
check-collection drop ;
: drop-collection ( name -- )
[ cmd-collection ] dip
"drop" H{ } clone [ set-at ] keep
<mdb-query-msg> find-one drop ;
: >pwd-digest ( user password -- digest )
"mongo" swap 3array ":" join md5-checksum ;