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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: utils.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)utils.fth 1.1 04/09/07 | |
43 | purpose: Generic utility functions | |
44 | copyright: Copyright 2004 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | : 3dup ( n1 n2 n3 -- n1 n2 n3 n1 n2 n3 ) dup 2over rot ; | |
50 | ||
51 | : decimal ( -- ) d# 10 base ! ; | |
52 | : hex ( -- ) h# 10 base ! ; | |
53 | : .d ( n -- ) base @ swap decimal . base ! ; | |
54 | : spaces ( n -- ) 0 max 0 ?do space loop ; | |
55 | ||
56 | fload ${BP}/pkg/netinet/queue.fth | |
57 | fload ${BP}/pkg/netinet/strings.fth | |
58 | ||
59 | headerless | |
60 | ||
61 | : encapsulated-data ( pkt pktlen hdrlen -- data datalen ) | |
62 | tuck - >r + r> | |
63 | ; | |
64 | ||
65 | : encapsulating-hdr ( data datalen hdrlen -- pkt pktlen ) | |
66 | tuck + >r - r> | |
67 | ; | |
68 | ||
69 | : timed-out? ( when -- flag ) get-msecs < ; | |
70 | ||
71 | : pstring, ( adr len -- ) dup c, bounds ?do i c@ c, loop ; | |
72 | : cstring, ( adr len -- ) bounds ?do i c@ c, loop 0 c, ; | |
73 | ||
74 | : call-cif-method ( ?? name$ -- ?? ) | |
75 | " /openprom/client-services" find-package if | |
76 | >r 2dup r> find-method if | |
77 | nip nip execute | |
78 | else | |
79 | ." Can't find client interface service " type cr -1 throw | |
80 | then | |
81 | else | |
82 | ." Can't find '/openprom/client-services'" cr -1 throw | |
83 | then | |
84 | ; | |
85 | ||
86 | : set-chosen-property ( adr,len propname$ -- ) | |
87 | " /chosen" find-package if | |
88 | my-self >r 0 to my-self | |
89 | push-package property pop-package | |
90 | r> to my-self | |
91 | else | |
92 | 2drop 2drop | |
93 | then | |
94 | ; | |
95 | ||
96 | : get-property ( node$ propname$ -- adr,len ) | |
97 | 0 0 2swap 2rot find-package if | |
98 | get-package-property 0= if 2swap 2drop then | |
99 | else | |
100 | 2drop | |
101 | then | |
102 | ; | |
103 | ||
104 | : get-option-string ( propname$ -- $ ) | |
105 | " /options" 2swap get-property decode-string 2swap 2drop | |
106 | ; | |
107 | ||
108 | \ Random number generator | |
109 | \ x(n+1) = (69069 * x(n)) mod 2^32 | |
110 | : random ( -- n ) | |
111 | get-msecs dup ( now seed ) | |
112 | begin over get-msecs = while | |
113 | d# 69069 * 1 d# 32 << 1- and | |
114 | repeat nip ( n ) | |
115 | ; | |
116 | ||
117 | \ Token handling is implemented using token tables. Each table entry | |
118 | \ specifies the token string (keyname), the associated handler and the | |
119 | \ case-sensitivity to be used for keyname comparions. A null table | |
120 | \ entry marks the end of the table. | |
121 | \ | |
122 | \ A token table registering handlers for 2 case-insensitive tokens | |
123 | \ would look like | |
124 | \ create keys-table | |
125 | \ " key1" false ['] key1-handler token-handler, | |
126 | \ " key2" false ['] key2-handler token-handler, | |
127 | \ 0 0 0 0 token-handler, | |
128 | ||
129 | : token-handler, ( token$ case-sensitive? xt -- ) | |
130 | swap 2swap ( xt flag token$ ) | |
131 | dup 2+ >r pstring, c, r> ( xt n ) | |
132 | dup aligned swap ?do 0 c, loop ( xt ) | |
133 | , ( ) | |
134 | ; | |
135 | ||
136 | : token-match? ( token$ $ -- match? ) | |
137 | 2dup ca+ c@ if $= else $case= then | |
138 | ; | |
139 | ||
140 | : find-token-handler ( token$ table -- xt true | false ) | |
141 | begin ( token$ adr ) | |
142 | count ( token$ $ ) | |
143 | dup while ( token$ $ ) | |
144 | 2over 2over token-match? if ( token$ $ ) | |
145 | 2swap 2drop ca+ ca1+ aligned @ true exit ( xt true ) | |
146 | then ( token$ $ ) | |
147 | ca+ ca1+ aligned na1+ ( token$ adr' ) | |
148 | repeat ( token$ $ ) | |
149 | 2drop 2drop false ( false ) | |
150 | ; | |
151 | ||
152 | \ Use a spinner to report progress. | |
153 | ||
154 | 0 instance value activity-counter | |
155 | ||
156 | : show-progress ( -- ) | |
157 | activity-counter 1+ dup to activity-counter | |
158 | dup h# f and 0= if | |
159 | 4 rshift 3 and " \|/-" drop swap ca+ c@ emit bs emit -2 #out +! | |
160 | else | |
161 | drop | |
162 | then | |
163 | ; | |
164 | ||
165 | headers |