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osmo-st-network/ipa/IPAConstantsGST.st

78 lines
2.3 KiB
Smalltalk

"
(C) 2010-2013 by Holger Hans Peter Freyther
All Rights Reserved
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"
CCompound subclass: CPackedStruct [
<shape: #word>
<category: 'OsmoNetwork-Core-GST'>
<comment: 'I am a packed struct with one byte alignment,
Paolo created me, Holger copied me here.'>
CPackedStruct class >> declaration: array [
"Compile methods that implement the declaration in array."
<category: 'subclass creation'>
self
declaration: array
inject: self superclass sizeof
into: [:oldOffset :alignment | oldOffset]
]
CPackedStruct class >> compileSize: size align: alignment [
<category: 'private'>
^ super compileSize: size align: 1.
]
]
CPackedStruct subclass: IPASCCPState [
<category: 'OsmoNetwork-IPA'>
<comment: 'This is an Osmocom NAT extension to hand out USSD
to a different provider.'>
<declaration: #(
#(#src (#array #byte 3))
#(#dst (#array #byte 3))
#(#transId #byte)
#(#invokeId #byte)
#(#imsi (#array #char 17))) >
srcAddr [
<category: 'accessing'>
^ SCCPAddrReference fromCData: self src.
]
dstAddr [
<category: 'accessing'>
^ SCCPAddrReference fromCData: self dst.
]
imsiString [
"We will need to count how many chars of the array are used"
<category: 'accessing'>
0 to: 16 do: [:index | | c |
c := self imsi at: index.
c = (Character value: 0)
ifTrue: [
^ String fromCData: self imsi size: index.
].
].
^ String fromCData: self imsi.
]
]