82 lines
1.7 KiB
Smalltalk
82 lines
1.7 KiB
Smalltalk
"
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(C) 2010 by Holger Hans Peter Freyther
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All Rights Reserved
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"
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Object subclass: IPADemuxer [
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| socket |
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IPADemuxer class >> initOn: aSocket [
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^ (self new)
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socket: aSocket;
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yourself.
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]
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next [
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"Return a tuple of stream and bytearray"
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| size stream data |
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size := socket nextUshort swap16.
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stream := socket nextByte.
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data := socket next: size.
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^ Array with: stream with: data.
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]
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socket: aSocket [
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socket := aSocket.
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]
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]
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Object subclass: IPAMuxer [
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| socket |
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IPAMuxer class >> initOn: aSocket [
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^ (self new)
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socket: aSocket;
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yourself.
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]
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prepareNext: aData with: aStream [
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"Write the data onto the stream"
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| msg |
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aData size > 65536
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ifTrue: [
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self logError: 'Too much data' area: #ipa.
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self error: 'Too much data'.
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].
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msg := MessageBuffer new.
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"put the size in ntohs"
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msg putLen16: aData size.
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msg putByte: aStream.
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msg putByteArray: aData.
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^ msg asByteArray.
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]
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nextPut: aData with: aStream [
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socket nextPut: (self prepareNext: aData with: aStream).
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]
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socket: aSocket [
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socket := aSocket.
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]
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]
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