Remove old recursive resolver (dns.recursive)

diff --git a/extra/dns/recursive/recursive.factor b/extra/dns/recursive/recursive.factor
deleted file mode 100644 (file)
index 3a74667..0000000
--- a/extra/dns/recursive/recursive.factor
+++ /dev/null
@@ -1,185 +0,0 @@
-
-USING: kernel continuations
-       combinators
-       sequences
-       math
-       random
-       unicode.case
-       accessors symbols
-       combinators.lib combinators.cleave
-       newfx
-       dns dns.cache ;
-
-IN: dns.recursive
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: root-dns-servers ( -- servers )
-  {
-    "192.5.5.241"
-    "192.112.36.4"
-    "128.63.2.53"
-    "192.36.148.17"
-    "192.58.128.30"
-    "193.0.14.129"
-    "199.7.83.42"
-    "202.12.27.33"
-    "198.41.0.4"
-  } ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: {name-type-class} ( obj -- seq )
-  [ name>> >lower ] [ type>> ] [ class>> ] tri {3} ;
-
-: rr=query? ( rr query -- ? ) [ {name-type-class} ] bi@ = ;
-
-: rr-filter ( rrs query -- rrs ) [ rr=query? ] curry filter ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: answer-hits ( message -- rrs )
-  [ answer-section>> ] [ message-query ] bi rr-filter ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: name-hits ( message -- rrs )
-  [ answer-section>> ] [ message-query clone A >>type ] bi rr-filter ;
-
-: cname-hits ( message -- rrs )
-  [ answer-section>> ] [ message-query clone CNAME >>type ] bi rr-filter ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: authority-hits ( message -- rrs )
-  authority-section>> [ type>> NS = ] filter ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-SYMBOLS: ANSWERED NO-NAME-SERVERS UNCLASSIFIED ;
-
-: classify-message ( message -- symbol )
-    {
-      { [ dup rcode>> NAME-ERROR     = ] [ drop NAME-ERROR      ] }
-      { [ dup rcode>> SERVER-FAILURE = ] [ drop SERVER-FAILURE  ] }
-      { [ dup answer-hits empty? not   ] [ drop ANSWERED        ] }
-      { [ dup cname-hits  empty? not   ] [ drop CNAME           ] }
-      { [ dup authority-hits empty?    ] [ drop NO-NAME-SERVERS ] }
-      { [ t                            ] [ drop UNCLASSIFIED    ] }
-    }
-  cond ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-DEFER: name->ip
-
-! : name->ip/f ( name -- ip/f ) [ name->ip ] [ drop f ] recover ;
-
-! : extract-ns-ips ( message -- ips )
-!   authority-hits [ rdata>> name->ip/f ] map [ ] filter ;
-
-: extract-ns-ips ( message -- ips )
-  authority-hits [ rdata>> name->ip ] map [ ] filter ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: (recursive-query) ( query servers -- message )
-  dup random                                 ! query servers server
-  pick query->message 0 >>rd                 ! query servers server message
-  over ask-server                            ! query servers server message
-  cache-message                              ! query servers server message
-  dup classify-message                       ! query servers server message sym
-    {
-      { NAME-ERROR      [ -roll 3drop ] }
-      { ANSWERED        [ -roll 3drop ] }
-      { CNAME           [ -roll 3drop ] }
-      { NO-NAME-SERVERS [ -roll 3drop ] }
-      {
-        SERVER-FAILURE
-        [
-          -roll                              ! message query servers server
-          remove                             ! message query servers
-          dup empty?
-            [ 2drop ]
-            [ rot drop (recursive-query) ]
-          if
-        ]
-      }
-      [                                      ! query servers server message sym
-        drop nip nip                         ! query message
-        extract-ns-ips                       ! query ips
-        (recursive-query)
-      ]
-    }
-  case ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: cdr-name ( name -- name ) dup CHAR: . index 1+ tail ;
-
-: cache-get-ns ( name -- seq/f ) NS IN query boa cache-get ;
-
-: name->servers ( name -- servers )
-    {
-      { [ dup "" = ]         [ drop root-dns-servers ] }
-      { [ dup cache-get-ns ] [ cache-get-ns [ rdata>> name->ip ] map ] }
-      { [ t ]                [ cdr-name name->servers ] }
-    }
-  cond ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: recursive-query ( query -- message )
-  dup name>> name->servers (recursive-query) ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: canonical/cache ( name -- name )
-  dup CNAME IN query boa cache-get dup [ nip 1st rdata>> ] [ drop ] if ;
-
-: name->ip/cache ( name -- ip/f )
-  canonical/cache
-  A IN query boa cache-get dup [ random rdata>> ] [ ] if ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-:  name-hits? ( message -- message ? ) dup  name-hits empty? not ;
-: cname-hits? ( message -- message ? ) dup cname-hits empty? not ;
-
-! : name->ip/server ( name -- ip-or-f )
-!   A IN query boa root-dns-servers recursive-query ! message
-!     {
-!       { [ name-hits? ]  [ name-hits  random rdata>>          ] }
-!       { [ cname-hits? ] [ cname-hits random rdata>> name->ip ] }
-!       { [ t           ] [ drop f ] }
-!     }
-!   cond ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: name->ip/server ( name -- ip-or-f )
-  A IN query boa recursive-query ! message
-    {
-      { [ name-hits? ]  [ name-hits  random rdata>>          ] }
-      { [ cname-hits? ] [ cname-hits random rdata>> name->ip ] }
-      { [ t           ] [ drop f ] }
-    }
-  cond ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-! : name->ip ( name -- ip )
-!   { [ name->ip/cache ] [ name->ip/server ] [ name-error ] } 1|| ;
-
-: name->ip ( name -- ip )
-  dup name->ip/cache dup
-    [ nip ]
-    [
-      drop dup name->ip/server dup
-        [ nip ]
-        [ drop name-error ]
-      if
-    ]
-  if ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!