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/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* Copyright 2019, Mobius Software LTD and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.restcomm.protocols.ss7.sccp.impl.message;
import io.netty.buffer.ByteBuf;
import org.restcomm.protocols.ss7.sccp.SccpProtocolVersion;
import org.restcomm.protocols.ss7.sccp.impl.parameter.AbstractParameter;
import org.restcomm.protocols.ss7.sccp.impl.parameter.ProtocolClassImpl;
import org.restcomm.protocols.ss7.sccp.message.ParseException;
import org.restcomm.protocols.ss7.sccp.message.SccpDataMessage;
import org.restcomm.protocols.ss7.sccp.message.SccpMessage;
import org.restcomm.protocols.ss7.sccp.parameter.HopCounter;
import org.restcomm.protocols.ss7.sccp.parameter.Importance;
import org.restcomm.protocols.ss7.sccp.parameter.ProtocolClass;
import org.restcomm.protocols.ss7.sccp.parameter.SccpAddress;
/**
*
* This class represents a SCCP message for connectionless data transfer (UDT, XUDT and LUDT)
*
* @author Oleg Kulikov
* @author baranowb
* @author sergey vetyutnev
* @author yulianoifa
*
*/
public class SccpDataMessageImpl extends SccpDataNoticeTemplateMessageImpl implements SccpDataMessage {
protected ProtocolClass protocolClass;
/**
* Create a SCCP-User originated message
*
* @param protocolClass
* @param outgoingSls
* @param calledParty
* @param callingParty
* @param data
* @param hopCounter This parameter may be null if you use the max value
* @param importance This parameter may be null if you use the default value
*/
protected SccpDataMessageImpl(int maxDataLen, ProtocolClass protocolClass, int outgoingSls, int localSsn,
SccpAddress calledParty, SccpAddress callingParty, ByteBuf data, HopCounter hopCounter, Importance importance) {
super(maxDataLen, SccpMessage.MESSAGE_TYPE_UNDEFINED, outgoingSls, localSsn, calledParty, callingParty, data,
hopCounter, importance);
this.protocolClass = protocolClass;
}
/**
* Create a MTP3 originated message
*
* @param incomingOpc
* @param incomingDpc
* @param incomingSls
*/
protected SccpDataMessageImpl(int maxDataLen, int type, int incomingOpc, int incomingDpc, int incomingSls, int networkId) {
super(maxDataLen, type, incomingOpc, incomingDpc, incomingSls, networkId);
}
public ProtocolClass getProtocolClass() {
return protocolClass;
}
public void setProtocolClass(ProtocolClass protocolClass) {
this.protocolClass = protocolClass;
}
public boolean getReturnMessageOnError() {
if (this.protocolClass != null)
return this.protocolClass.getReturnMessageOnError();
else
return false;
}
public void clearReturnMessageOnError() {
if (this.protocolClass != null)
this.protocolClass.clearReturnMessageOnError();
}
public boolean getSccpCreatesSls() {
if (this.protocolClass == null || this.protocolClass.getProtocolClass() == 0)
return true;
else
return false;
}
@Override
protected boolean getSecondParamaterPresent() {
return protocolClass != null;
}
@Override
protected void getSecondParamaterData(ByteBuf data,boolean removeSPC, SccpProtocolVersion sccpProtocolVersion) throws ParseException {
((AbstractParameter) protocolClass).encode(data, removeSPC, sccpProtocolVersion);
}
@Override
protected void setSecondParamaterData(ByteBuf data, SccpProtocolVersion sccpProtocolVersion) throws ParseException {
protocolClass = new ProtocolClassImpl();
// TODO, this makes no sense.
((AbstractParameter) protocolClass).decode(data, null, sccpProtocolVersion);
}
@Override
protected boolean getIsProtocolClass1() {
return this.protocolClass.getProtocolClass() != 0;
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("Sccp Msg [Type=");
switch (this.type) {
case SccpMessage.MESSAGE_TYPE_UDT:
sb.append("UDT");
break;
case SccpMessage.MESSAGE_TYPE_XUDT:
sb.append("XUDT");
break;
case SccpMessage.MESSAGE_TYPE_LUDT:
sb.append("LUDT");
break;
default:
sb.append(this.type);
break;
}
sb.append(" networkId=").append(this.networkId).append(" sls=").append(this.sls).append(" incomingOpc=").append(this.incomingOpc)
.append(" incomingDpc=").append(this.incomingDpc).append(" outgoingDpc=").append(this.outgoingDpc).append(" CallingAddress(")
.append(this.callingParty).append(") CalledParty(").append(this.calledParty).append(")");
if (this.importance != null) {
sb.append(" importance=");
sb.append(this.importance.getValue());
}
if (this.hopCounter != null) {
sb.append(" hopCounter=");
sb.append(this.hopCounter.getValue());
}
if (this.segmentation != null) {
sb.append(" segmentation=");
sb.append(this.segmentation.toString());
}
sb.append(" DataLen=");
if (this.data != null)
sb.append(this.data.readableBytes());
sb.append("]");
return sb.toString();
}
}
