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"
(C) 2010-2011 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/>.
"
Object subclass: MGCPEndpoint [
| nr trunk state callid sdp|
<category: 'MGCP-Callagent'>
<comment: 'I am one endpoint. I have a state...'>
MGCPEndpoint class >> stateUnused [ <category: 'states'> ^ #unused ]
MGCPEndpoint class >> stateReserved [ <category: 'states'> ^ #reserved ]
MGCPEndpoint class >> stateUsed [ <category: 'states'> ^ #used ]
MGCPEndpoint class >> stateBlocked [ <category: 'states'> ^ #blocked ]
MGCPEndpoint class >> initWith: aNr trunk: aTrunk [
^ self new
instVarNamed: #nr put: aNr;
instVarNamed: #trunk put: aTrunk;
instVarNamed: #state put: self stateUnused;
yourself
]
endpointName [
^ trunk endpointName: nr.
]
trunk [
<category: 'private'>
^ trunk
]
state [
<category: 'state'>
^ state
]
isBlocked [
<category: 'state'>
^ state = self class stateBlocked.
]
isReserved [
<category: 'state'>
^ state = self class stateReserved.
]
isUnused [
<category: 'state'>
^ state = self class stateUnused.
]
isUsed [
<category: 'state'>
^ state = self class stateUsed.
]
requireState: aState [
<category: 'allocation'>
state = aState ifFalse: [
^ self error: 'MGCPEndpoint(%1) not %2.'
% {self endpointName. aState} area: #mgcp.
].
]
reserve [
<category: 'allocation'>
self requireState: self class stateUnused.
state := self class stateReserved.
]
used [
<category: 'allocation'>
self requireState: self class stateReserved.
state := self class stateUsed.
]
free [
<category: 'allocation'>
self requireState: self class stateUsed.
state := self class stateUnused.
]
tryBlock [
<category: 'allocation'>
state = self class stateUnused ifTrue: [
state := self class stateBlocked.
^ true
].
^ false
]
unblock [
<category: 'allocation'>
self requireState: self class stateBlocked.
state := self class stateUnused.
]
sdp [
<category: 'sdp'>
^ sdp
]
sdp: aSdp [
<category: 'sdp'>
sdp := aSdp.
]
]
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