author | Claus Gittinger <cg@exept.de> |
Thu, 26 Apr 2007 11:29:37 +0200 | |
changeset 1877 | d143433fd007 |
parent 1585 | 32eba58e5498 |
child 1883 | 2b2f137130ae |
permissions | -rw-r--r-- |
100 | 1 |
" |
2 |
COPYRIGHT (c) 1995 by Claus Gittinger |
|
1164 | 3 |
All Rights Reserved |
100 | 4 |
|
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
1023 | 12 |
"{ Package: 'stx:libbasic2' }" |
13 |
||
818 | 14 |
SocketAddress variableByteSubclass:#IPSocketAddress |
1164 | 15 |
instanceVariableNames:'' |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
16 |
classVariableNames:'CacheInvalidationTimeInterval AddressCacheSize NameCacheSize' |
488 | 17 |
poolDictionaries:'' |
816 | 18 |
category:'OS-Sockets' |
100 | 19 |
! |
20 |
||
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
21 |
IPSocketAddress class instanceVariableNames:'addrCache nameCache' |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
22 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
23 |
" |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
24 |
No other class instance variables are inherited by this class. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
25 |
" |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
26 |
! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
27 |
|
100 | 28 |
!IPSocketAddress class methodsFor:'documentation'! |
29 |
||
30 |
copyright |
|
31 |
" |
|
32 |
COPYRIGHT (c) 1995 by Claus Gittinger |
|
1164 | 33 |
All Rights Reserved |
100 | 34 |
|
35 |
This software is furnished under a license and may be used |
|
36 |
only in accordance with the terms of that license and with the |
|
37 |
inclusion of the above copyright notice. This software may not |
|
38 |
be provided or otherwise made available to, or used by, any |
|
39 |
other person. No title to or ownership of the software is |
|
40 |
hereby transferred. |
|
41 |
" |
|
42 |
! |
|
43 |
||
44 |
documentation |
|
45 |
" |
|
111 | 46 |
Instances of IPSocketAddress represent tcp/ip-domain socket addresses. |
47 |
These consist of an ip address (4 bytes) and a port number. |
|
48 |
||
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
49 |
Notice that for performance, name and address translations are cached here |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
50 |
for some time, in order to speed up heavy lookup such as when operating a webserver or similar |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
51 |
application which does many address-to-hostname translations. |
100 | 52 |
|
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
53 |
For systems, when the name translation is fast (unix), you may want to disable it, |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
54 |
as it prevents new addresses to be detected for some time (for example, if the own address |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
55 |
changes due to a new dhcp address being aquired). |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
56 |
You can also change the cacheing-interval time |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
57 |
(see caching protocol, flush*Cache, cachingIntervalTime, *CacheSize). |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
58 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
59 |
[author:] |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
60 |
Claus Gittinger |
100 | 61 |
" |
62 |
! ! |
|
63 |
||
1233 | 64 |
!IPSocketAddress class methodsFor:'instance creation'! |
65 |
||
1559
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
66 |
addressString:aString |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
67 |
"convert an address given in a dot notation like 123.456.78.9" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
68 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
69 |
^ self hostAddress:(self hostAddressFromString:aString). |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
70 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
71 |
" |
1585 | 72 |
IPSocketAddress addressString:'1.2.3.4' |
1559
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
73 |
" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
74 |
! |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
75 |
|
1233 | 76 |
hostName:name serviceName:portNrOrName type:socketTypeSymbol |
1262
d3daddd36a99
no longer callBack into sockets getHostName/getAddress code.
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
77 |
"get a new instance given a hostname, port or service and type. |
d3daddd36a99
no longer callBack into sockets getHostName/getAddress code.
Claus Gittinger <cg@exept.de>
parents:
1261
diff
changeset
|
78 |
Redefined to cache the result of the name-lookup." |
1233 | 79 |
|
80 |
|addrBytes sa| |
|
81 |
||
82 |
portNrOrName isString ifTrue:[ |
|
83 |
^ super hostName:name serviceName:portNrOrName type:socketTypeSymbol |
|
84 |
]. |
|
85 |
||
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
86 |
addrBytes := self addressCacheAt:name. |
1233 | 87 |
addrBytes notNil ifTrue:[ |
88 |
sa := self hostAddress:addrBytes. |
|
89 |
portNrOrName notNil ifTrue:[ |
|
90 |
sa port:portNrOrName. |
|
91 |
]. |
|
92 |
] ifFalse:[ |
|
93 |
sa := super hostName:name serviceName:portNrOrName type:socketTypeSymbol. |
|
94 |
||
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
95 |
self addressCacheAt:name put:(sa hostAddress). |
1233 | 96 |
]. |
97 |
^ sa |
|
98 |
||
99 |
" |
|
1333 | 100 |
SocketAddress hostName:'localhost' serviceName:10 type:#stream |
1233 | 101 |
IPSocketAddress hostName:'localhost' serviceName:'echo' type:#datagram |
1333 | 102 |
IPSocketAddress hostName:'localhost' serviceName:'echo' type:nil |
103 |
IPSocketAddress hostName:'localhost' |
|
1559
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
104 |
IPv6SocketAddress hostName:'localhost' |
1233 | 105 |
" |
1559
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
106 |
! |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
107 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
108 |
localHost |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
109 |
"get a new instance representing the local-host address" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
110 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
111 |
^ self hostAddress:(self local) port:self anyPort |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
112 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
113 |
" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
114 |
self localHost hostName |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
115 |
(self hostName:(OperatingSystem getHostName)) |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
116 |
" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
117 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
118 |
"Modified: / 26-04-2007 / 11:17:52 / cg" |
1233 | 119 |
! ! |
120 |
||
1164 | 121 |
!IPSocketAddress class methodsFor:'addressing'! |
122 |
||
123 |
anyAddress |
|
1281 | 124 |
"return the anonymous addresses bytes" |
1164 | 125 |
|
1281 | 126 |
^ #[0 0 0 0] |
1164 | 127 |
! |
128 |
||
129 |
anyPort |
|
130 |
"return the anon port number" |
|
131 |
||
132 |
^ 0 |
|
133 |
! |
|
100 | 134 |
|
1281 | 135 |
broadcastAddress |
136 |
"return the broadcast address" |
|
137 |
||
138 |
^ #[255 255 255 255] |
|
139 |
! |
|
140 |
||
1164 | 141 |
firstUnreservedPort |
142 |
"return the first unreserved port number" |
|
143 |
||
144 |
^ 1024 |
|
145 |
! |
|
146 |
||
147 |
local |
|
148 |
"return IN_ADDR_ANY, the address matching any local address" |
|
149 |
||
150 |
^ #[127 0 0 1] |
|
100 | 151 |
! |
152 |
||
1164 | 153 |
maxPort |
154 |
"return the maximum port number" |
|
100 | 155 |
|
1164 | 156 |
^ 16rffff |
816 | 157 |
! |
158 |
||
1164 | 159 |
thisHost |
1226
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
160 |
"return the bytes of IN_ADDR_ANY, the address matching any local address" |
1164 | 161 |
|
162 |
^ #[0 0 0 0] |
|
163 |
! ! |
|
164 |
||
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
165 |
!IPSocketAddress class methodsFor:'caching'! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
166 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
167 |
addressCacheAt:aHostName |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
168 |
|addrAndTime addr time| |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
169 |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
170 |
addrCache notNil ifTrue:[ |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
171 |
addrAndTime := addrCache at:aHostName ifAbsent:nil. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
172 |
addrAndTime notNil ifTrue:[ |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
173 |
addr := addrAndTime key. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
174 |
time := addrAndTime value. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
175 |
((Timestamp now) secondDeltaFrom:time) > self cacheInvalidationTimeInterval ifFalse:[ |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
176 |
^ addr. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
177 |
] |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
178 |
]. |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
179 |
]. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
180 |
^ nil |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
181 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
182 |
"Modified: / 26-04-2007 / 11:21:37 / cg" |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
183 |
! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
184 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
185 |
addressCacheAt:aName put:aHostAddress |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
186 |
(addrCache isNil or:[addrCache size > self addressCacheSize]) ifTrue:[ |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
187 |
addrCache := Dictionary new. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
188 |
]. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
189 |
|
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
190 |
addrCache at:aName put:(aHostAddress -> Timestamp now). |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
191 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
192 |
"Modified: / 26-04-2007 / 11:23:26 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
193 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
194 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
195 |
addressCacheSize |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
196 |
^ AddressCacheSize ? 50 |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
197 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
198 |
"Created: / 26-04-2007 / 11:22:40 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
199 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
200 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
201 |
addressCacheSize:aNumber |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
202 |
AddressCacheSize := aNumber |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
203 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
204 |
"Created: / 26-04-2007 / 11:24:05 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
205 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
206 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
207 |
cacheInvalidationTimeInterval |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
208 |
^ CacheInvalidationTimeInterval ? 30 |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
209 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
210 |
"Created: / 26-04-2007 / 11:21:31 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
211 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
212 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
213 |
cacheInvalidationTimeInterval:seconds |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
214 |
CacheInvalidationTimeInterval := seconds |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
215 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
216 |
"Created: / 26-04-2007 / 11:29:28 / cg" |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
217 |
! |
1261 | 218 |
|
219 |
flushAddressCache |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
220 |
addrCache := nil |
1261 | 221 |
|
222 |
" |
|
223 |
self flushAddressCache |
|
224 |
" |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
225 |
! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
226 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
227 |
flushNameCache |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
228 |
nameCache := Dictionary new. |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
229 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
230 |
" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
231 |
self flushNameCache |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
232 |
" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
233 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
234 |
"Modified: / 26-04-2007 / 11:25:32 / cg" |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
235 |
! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
236 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
237 |
nameCacheAt:aHostAddress |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
238 |
|nameAndTime name time| |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
239 |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
240 |
nameCache notNil ifTrue:[ |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
241 |
nameAndTime := nameCache at:aHostAddress ifAbsent:nil. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
242 |
nameAndTime notNil ifTrue:[ |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
243 |
name := nameAndTime key. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
244 |
time := nameAndTime value. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
245 |
((Timestamp now) secondDeltaFrom:time) > self cacheInvalidationTimeInterval ifFalse:[ |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
246 |
^ name. |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
247 |
] |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
248 |
]. |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
249 |
]. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
250 |
^ nil |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
251 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
252 |
"Modified: / 26-04-2007 / 11:25:11 / cg" |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
253 |
! |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
254 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
255 |
nameCacheAt:aHostAddress put:aName |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
256 |
(nameCache isNil or:[nameCache size > self nameCacheSize]) ifTrue:[ |
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
257 |
nameCache := Dictionary new. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
258 |
]. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
259 |
|
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
260 |
nameCache at:aHostAddress put:(aName -> Timestamp now). |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
261 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
262 |
"Modified: / 26-04-2007 / 11:23:35 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
263 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
264 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
265 |
nameCacheSize |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
266 |
^ NameCacheSize ? 50 |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
267 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
268 |
"Created: / 26-04-2007 / 11:22:44 / cg" |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
269 |
! |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
270 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
271 |
nameCacheSize:aNumber |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
272 |
NameCacheSize := aNumber |
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
273 |
|
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
274 |
"Created: / 26-04-2007 / 11:23:49 / cg" |
1261 | 275 |
! ! |
276 |
||
1559
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
277 |
!IPSocketAddress class methodsFor:'conversion'! |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
278 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
279 |
hostAddressFromString:aString |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
280 |
"convert an address given in a dot notation like 123.456.78.9" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
281 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
282 |
|components bytes| |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
283 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
284 |
components := aString asCollectionOfSubstringsSeparatedBy:$.. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
285 |
components size ~~ 4 ifTrue:[ |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
286 |
^ NameLookupError raiseRequestWith:aString errorString:' - bad address string'. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
287 |
]. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
288 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
289 |
bytes := components collect:[:eachComponent| |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
290 |
Integer readFromString:eachComponent onError:[^ NameLookupError raiseRequestWith:aString errorString:' - bad address string']. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
291 |
]. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
292 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
293 |
^ bytes asByteArray. |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
294 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
295 |
|
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
296 |
" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
297 |
IPSocketAddress hostAddressFromString:'1.2.3.4' |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
298 |
IPSocketAddress hostAddressFromString:'255.255.255.255' |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
299 |
" |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
300 |
! ! |
609a0707ab22
New: #addressString: to create an instance from a numeric string representation like
Stefan Vogel <sv@exept.de>
parents:
1452
diff
changeset
|
301 |
|
1164 | 302 |
!IPSocketAddress class methodsFor:'queries'! |
816 | 303 |
|
1164 | 304 |
domainSymbol |
305 |
||
1226
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
306 |
^ #'AF_INET' |
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
307 |
! |
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
308 |
|
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
309 |
obsoleteDomainSymbol |
1164 | 310 |
^ #inet |
311 |
! |
|
312 |
||
1226
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
313 |
vwDomainSymbol |
0114bd044aa9
vw compatible domainSymbols (afXXX)
Claus Gittinger <cg@exept.de>
parents:
1164
diff
changeset
|
314 |
^ #afInet |
100 | 315 |
! ! |
316 |
||
317 |
!IPSocketAddress methodsFor:'accessing'! |
|
318 |
||
818 | 319 |
hostAddress |
1164 | 320 |
^ (ByteArray new:4) replaceFrom:1 to:4 with:self startingAt:5 |
816 | 321 |
! |
322 |
||
1164 | 323 |
hostAddress:aByteArray |
324 |
^ self replaceFrom:5 to:8 with:aByteArray startingAt:1 |
|
818 | 325 |
! |
326 |
||
327 |
port |
|
1164 | 328 |
^ self unsignedShortAt:3 bigEndian:true |
818 | 329 |
! |
330 |
||
331 |
port:aPortNr |
|
1164 | 332 |
self unsignedShortAt:3 put:aPortNr bigEndian:true |
333 |
! ! |
|
334 |
||
335 |
!IPSocketAddress methodsFor:'obsolete'! |
|
336 |
||
337 |
address |
|
1452 | 338 |
<resource: #obsolete> |
339 |
||
1164 | 340 |
^ self hostAddress |
341 |
! |
|
342 |
||
343 |
portOrName |
|
1452 | 344 |
<resource: #obsolete> |
345 |
||
1164 | 346 |
^ self port |
100 | 347 |
! ! |
348 |
||
770 | 349 |
!IPSocketAddress methodsFor:'printing & storing'! |
350 |
||
1333 | 351 |
printAddressOn:aStream |
352 |
|i1 i2| |
|
100 | 353 |
|
1233 | 354 |
i1 := self adrBytesStart. |
355 |
i2 := i1 + self numAdrBytes - 1. |
|
356 |
i1 to:i2 do:[:i | |
|
357 |
i ~~ i1 ifTrue:[ |
|
358 |
aStream nextPut:$. |
|
359 |
]. |
|
360 |
(self at:i) printOn:aStream |
|
1164 | 361 |
]. |
488 | 362 |
! ! |
363 |
||
1233 | 364 |
!IPSocketAddress methodsFor:'private'! |
365 |
||
366 |
adrBytesStart |
|
367 |
^ 5 |
|
368 |
! |
|
369 |
||
370 |
numAdrBytes |
|
371 |
^ 4 |
|
372 |
! ! |
|
373 |
||
374 |
!IPSocketAddress methodsFor:'queries'! |
|
375 |
||
376 |
hostName |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
377 |
|addr name| |
1233 | 378 |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
379 |
addr := self hostAddress. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
380 |
|
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
381 |
name := self class nameCacheAt:addr. |
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
382 |
name notNil ifTrue:[^ name]. |
1233 | 383 |
|
384 |
name := super hostName. |
|
385 |
name notNil ifTrue:[ |
|
1273
03afdf3f895e
addrCache and nameCache must be separate for
Claus Gittinger <cg@exept.de>
parents:
1262
diff
changeset
|
386 |
self class nameCacheAt:addr put:name. |
1233 | 387 |
]. |
388 |
^ name |
|
1337 | 389 |
! |
390 |
||
391 |
networkAddress |
|
392 |
"Extract and return the network address from the host address." |
|
393 |
||
394 |
|highAddrByte| |
|
395 |
||
396 |
highAddrByte := self at: 5. |
|
397 |
(highAddrByte bitAnd: 16r80) == 0 ifTrue: [^ByteArray with: highAddrByte]. |
|
398 |
(highAddrByte bitAnd: 16rC0) == 16r80 ifTrue: [^ByteArray with: highAddrByte with: (self at: 6)]. |
|
399 |
(highAddrByte bitAnd: 16rC0) == 16rC0 ifTrue: [^ByteArray with: highAddrByte with: (self at: 6) with: (self at: 7)]. |
|
400 |
^ self error: 'unknown network class' |
|
401 |
||
402 |
" |
|
403 |
(IPSocketAddress hostName:'exept.eu.org') networkAddress |
|
404 |
(IPSocketAddress hostName:'exept.exept.de') networkAddress |
|
405 |
(IPSocketAddress hostName:'ibm.com') networkAddress |
|
406 |
(IPSocketAddress hostName:'cnn.com') networkAddress |
|
407 |
" |
|
408 |
! |
|
409 |
||
410 |
networkClass |
|
411 |
"Extract and return the network class (as a symbol) from the host address. |
|
412 |
Returns one of #classA #classB #classC." |
|
413 |
||
414 |
|highAddrByte| |
|
415 |
||
416 |
highAddrByte := self at: 5. |
|
417 |
(highAddrByte bitAnd: 16r80) == 0 ifTrue: [^#classA]. |
|
418 |
(highAddrByte bitAnd: 16rC0) == 16r80 ifTrue: [^#classB]. |
|
419 |
(highAddrByte bitAnd: 16rC0) == 16rC0 ifTrue: [^#classC]. |
|
420 |
^ self error: 'unknown network class' |
|
421 |
||
422 |
" |
|
423 |
(IPSocketAddress hostName:'exept.eu.org') networkClass |
|
424 |
" |
|
1233 | 425 |
! ! |
426 |
||
1366
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
427 |
!IPSocketAddress methodsFor:'testing'! |
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
428 |
|
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
429 |
isLocal |
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
430 |
"answer true, if this address adresses a peer on the same host" |
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
431 |
|
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
432 |
^ self hostAddress first == 127 |
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
433 |
! ! |
e01d0f6c102a
New method #isLocal returning true for local addresses
Stefan Vogel <sv@exept.de>
parents:
1337
diff
changeset
|
434 |
|
488 | 435 |
!IPSocketAddress class methodsFor:'documentation'! |
100 | 436 |
|
488 | 437 |
version |
1877
d143433fd007
cache: decay after some time to allow for dhcp-changing addresses
Claus Gittinger <cg@exept.de>
parents:
1585
diff
changeset
|
438 |
^ '$Header: /cvs/stx/stx/libbasic2/IPSocketAddress.st,v 1.30 2007-04-26 09:29:37 cg Exp $' |
100 | 439 |
! ! |