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osmo-st-openbsc-test/nack_test/NACKTest.st

97 lines
2.7 KiB
Smalltalk

"
(C) 2012 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/>.
"
PackageLoader fileInPackage: #FakeBTS.
FakeBTS.OMLBTSInstanceInit subclass: NACKBTSInit [
<import: OsmoGSM>
<comment: 'I will respond with a nack...'>
waitForAttributes [
| msg res nack |
<category: 'protected'>
msg := queue next.
msg omDataField class = OMLSetBTSAttributes
ifFalse: [self error: 'Failed to get SetBTSAttributes'].
nack := msg createResponse: false.
omlInit forwardOML: nack toMessage.
]
]
FakeBTS.OMLBTSInit subclass: NACKInit [
<import: OsmoGSM>
<comment: 'I am an INIT that will nack the BTS Attributes to check
what OpenBSC will do'>
initBtsInstance: aBts withQueue: aQueue [
"Called to initialize the BTS Object"
^ NACKBTSInit on: aBts withInit: self withQueue: aQueue.
]
]
FakeBTS.BTS subclass: NACKBTS [
| oml_gone |
<import: OsmoGSM>
<comment: 'I am a BTS that will NACK the OML init and this should
cause this BTS to be dropped.'>
NACKBTS class >> omlInitClass [
^ NACKInit
]
connect: aHost [
self stop.
rsl := nil.
oml_gone := Semaphore new.
^ super connect: aHost.
]
omlStopped [
oml_gone signal.
]
waitForOMLGone [
"Wait until the OML connection is gone"
oml_gone wait.
]
]
Eval [
| btsAck btsNack test lchan |
"Connect and wait for the BTS to be ready."
btsAck := FakeBTS.BTS new
btsId: '1801/0/0'; connect: 'localhost';
waitForBTSReady; yourself.
"Now connect a NACK bts.."
btsNack := NACKBTS new
btsId: '1802/0/0'; connect: 'localhost';
waitForOMLGone; yourself.
"Verify that the first BTS is still connected"
test := FakeBTS.OpenBSCTest initWith: btsAck.
lchan := test requireAnyChannel.
lchan isNil
ifTrue: [Transcript nextPutAll: 'FAILED TO ALLOCATE A LCHAN'; nl.]
ifFalse: [Transcript nextPutAll: 'Test passed'; nl.].
]