/protocols/ss7/m3ua/impl/src/main/java/org/mobicents/protocols/ss7/m3ua/impl/sg/RemAspImpl.java

  1/*
  2 * JBoss, Home of Professional Open Source
  3 * Copyright 2011, Red Hat, Inc. and individual contributors
  4 * by the @authors tag. See the copyright.txt in the distribution for a
  5 * full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22
 23package org.mobicents.protocols.ss7.m3ua.impl.sg;
 24
 25import javolution.xml.XMLFormat;
 26import javolution.xml.stream.XMLStreamException;
 27
 28import org.mobicents.protocols.ss7.m3ua.M3UAProvider;
 29import org.mobicents.protocols.ss7.m3ua.impl.Asp;
 30import org.mobicents.protocols.ss7.m3ua.impl.AspFactory;
 31import org.mobicents.protocols.ss7.m3ua.impl.AspState;
 32import org.mobicents.protocols.ss7.m3ua.impl.TransitionState;
 33
 34/**
 35 * 
 36 * @author amit bhayani
 37 */
 38public class RemAspImpl extends Asp {
 39
 40	public RemAspImpl() {
 41		super();
 42	}
 43
 44	public RemAspImpl(String name, M3UAProvider m3UAProvider, AspFactory aspFactory) {
 45		super(name, m3UAProvider, aspFactory);
 46
 47		// Define states
 48		fsm.createState(AspState.DOWN.toString());
 49		fsm.createState(AspState.ACTIVE.toString());
 50		fsm.createState(AspState.INACTIVE.toString());
 51
 52		fsm.setStart(AspState.DOWN.toString());
 53		fsm.setEnd(AspState.DOWN.toString());
 54
 55		// Define Transitions
 56
 57		// ******************************************************************/
 58		// STATE DOWN /
 59		// ******************************************************************/
 60		fsm.createTransition(TransitionState.COMM_UP, AspState.DOWN.toString(), AspState.DOWN.toString());
 61		fsm.createTransition(TransitionState.COMM_DOWN, AspState.DOWN.toString(), AspState.DOWN.toString());
 62		fsm.createTransition(TransitionState.ASP_UP, AspState.DOWN.toString(), AspState.INACTIVE.toString());
 63		// .setHandler(new RemAspTransDwnToInact(this, fsm));
 64
 65		// If the SGP receives any other M3UA messages before an ASP Up message
 66		// is received (other than ASP Down; see Section 4.3.4.2), the SGP MAY
 67		// discard them.
 68		fsm.createTransition(TransitionState.DAUD, AspState.DOWN.toString(), AspState.DOWN.toString());
 69		fsm.createTransition(TransitionState.ASP_ACTIVE, AspState.DOWN.toString(), AspState.DOWN.toString());
 70		fsm.createTransition(TransitionState.ASP_INACTIVE, AspState.DOWN.toString(), AspState.DOWN.toString());
 71		fsm.createTransition(TransitionState.PAYLOAD, AspState.DOWN.toString(), AspState.DOWN.toString());
 72
 73		fsm.createTransition(TransitionState.ASP_DOWN, AspState.DOWN.toString(), AspState.DOWN.toString());
 74		// TODO : For REG_REQ/DREG_REQ we don't support dynamic adding of key.
 75		// Handle this
 76
 77		// ******************************************************************/
 78		// STATE INACTIVE /
 79		// ******************************************************************/
 80		fsm.createTransition(TransitionState.COMM_DOWN, AspState.INACTIVE.toString(), AspState.DOWN.toString());
 81		// Mo transition needed? .setHandler(new RemAspTransInactToDwn(this,
 82		// this.fsm));
 83
 84		fsm.createTransition(TransitionState.ASP_UP, AspState.INACTIVE.toString(), AspState.INACTIVE.toString());
 85
 86		fsm.createTransition(TransitionState.ASP_DOWN, AspState.INACTIVE.toString(), AspState.DOWN.toString());
 87
 88		fsm.createTransition(TransitionState.ASP_ACTIVE, AspState.INACTIVE.toString(), AspState.ACTIVE.toString());
 89
 90		// TODO: Ignore payload if Remote ASP is still INACTIVE. may be log it?
 91		fsm.createTransition(TransitionState.PAYLOAD, AspState.INACTIVE.toString(), AspState.INACTIVE.toString());
 92
 93		// ******************************************************************/
 94		// STATE ACTIVE /
 95		// ******************************************************************/
 96		fsm.createTransition(TransitionState.COMM_DOWN, AspState.ACTIVE.toString(), AspState.DOWN.toString());
 97
 98		fsm.createTransition(TransitionState.ASP_UP, AspState.ACTIVE.toString(), AspState.INACTIVE.toString());
 99
100		fsm.createTransition(TransitionState.ASP_DOWN, AspState.ACTIVE.toString(), AspState.DOWN.toString());
101
102		fsm.createTransition(TransitionState.ASP_INACTIVE, AspState.ACTIVE.toString(), AspState.INACTIVE.toString());
103		// No transition handler .setHandler(new RemAspTransActToInact(this,
104		// this.fsm));
105
106		fsm.createTransition(TransitionState.PAYLOAD, AspState.ACTIVE.toString(), AspState.ACTIVE.toString());
107
108		// This transition will be signaled from SGW
109		fsm.createTransition(TransitionState.OTHER_ALTERNATE_ASP_ACTIVE, AspState.ACTIVE.toString(),
110				AspState.INACTIVE.toString());
111
112	}
113
114	/**
115	 * XML Serialization/Deserialization
116	 */
117	protected static final XMLFormat<RemAspImpl> REM_ASP_IMPL_XML = new XMLFormat<RemAspImpl>(RemAspImpl.class) {
118
119		@Override
120		public void read(javolution.xml.XMLFormat.InputElement xml, RemAspImpl remAspImpl) throws XMLStreamException {
121			ASP_XML.read(xml, remAspImpl);
122		}
123
124		@Override
125		public void write(RemAspImpl remAspImpl, javolution.xml.XMLFormat.OutputElement xml) throws XMLStreamException {
126			ASP_XML.write(remAspImpl, xml);
127		}
128	};
129
130}