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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 org.apache.logging.log4j.Logger;
import org.restcomm.protocols.ss7.sccp.LongMessageRuleType;
import org.restcomm.protocols.ss7.sccp.SccpProtocolVersion;
import org.restcomm.protocols.ss7.sccp.impl.SccpStackImpl;
import org.restcomm.protocols.ss7.sccp.impl.parameter.LocalReferenceImpl;
import org.restcomm.protocols.ss7.sccp.impl.parameter.ResetCauseImpl;
import org.restcomm.protocols.ss7.sccp.message.ParseException;
import org.restcomm.protocols.ss7.sccp.message.SccpConnRsrMessage;
import org.restcomm.protocols.ss7.sccp.parameter.ParameterFactory;
import org.restcomm.protocols.ss7.sccp.parameter.ResetCause;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
/**
*
* @author yulianoifa
*
*/
public class SccpConnRsrMessageImpl extends SccpConnReferencedMessageImpl implements SccpConnRsrMessage {
protected ResetCause resetCause;
public SccpConnRsrMessageImpl(int sls, int localSsn) {
super(0, MESSAGE_TYPE_RSR, sls, localSsn);
}
protected SccpConnRsrMessageImpl(int incomingOpc, int incomingDpc, int incomingSls, int networkId) {
super(0, MESSAGE_TYPE_RSR, incomingOpc, incomingDpc, incomingSls, networkId);
}
@Override
public ResetCause getResetCause() {
return resetCause;
}
@Override
public void setResetCause(ResetCause value) {
this.resetCause = value;
}
@Override
public void decode(ByteBuf buffer, ParameterFactory factory, SccpProtocolVersion sccpProtocolVersion) throws ParseException {
LocalReferenceImpl ref = new LocalReferenceImpl();
ref.decode(buffer, factory, sccpProtocolVersion);
destinationLocalReferenceNumber = ref;
ref = new LocalReferenceImpl();
ref.decode(buffer, factory, sccpProtocolVersion);
sourceLocalReferenceNumber = ref;
ResetCauseImpl cause = new ResetCauseImpl();
cause.decode(buffer, factory, sccpProtocolVersion);
resetCause = cause;
}
@Override
public EncodingResultData encode(SccpStackImpl sccpStackImpl, LongMessageRuleType longMessageRuleType, int maxMtp3UserDataLength, Logger logger, boolean removeSPC, SccpProtocolVersion sccpProtocolVersion) throws ParseException {
if (type == 0) {
return new EncodingResultData(EncodingResult.MessageTypeMissing, null, null, null);
}
if (destinationLocalReferenceNumber == null) {
return new EncodingResultData(EncodingResult.DestinationLocalReferenceNumberMissing, null, null, null);
}
if (sourceLocalReferenceNumber == null) {
return new EncodingResultData(EncodingResult.SourceLocalReferenceNumberMissing, null, null, null);
}
if (resetCause == null) {
return new EncodingResultData(EncodingResult.ResetCauseMissing, null, null, null);
}
// 8 is sum of 4 fixed-length field lengths
ByteBuf out = Unpooled.buffer(8);
out.writeByte(type);
((LocalReferenceImpl) destinationLocalReferenceNumber).encode(out,sccpStackImpl.isRemoveSpc(), sccpStackImpl.getSccpProtocolVersion());
((LocalReferenceImpl) sourceLocalReferenceNumber).encode(out,sccpStackImpl.isRemoveSpc(), sccpStackImpl.getSccpProtocolVersion());
((ResetCauseImpl) resetCause).encode(out,sccpStackImpl.isRemoveSpc(), sccpStackImpl.getSccpProtocolVersion());
return new EncodingResultData(EncodingResult.Success, out, null, null);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("Sccp Msg [Type=Rsr");
sb.append(" networkId=");
sb.append(this.networkId);
sb.append(" sls=");
sb.append(this.sls);
sb.append(" incomingOpc=");
sb.append(this.incomingOpc);
sb.append(" incomingDpc=");
sb.append(this.incomingDpc);
sb.append(" outgoingDpc=");
sb.append(this.outgoingDpc);
sb.append(" sourceLR=");
if (this.sourceLocalReferenceNumber != null)
sb.append(this.sourceLocalReferenceNumber.getValue());
sb.append(" destLR=");
if (this.destinationLocalReferenceNumber != null)
sb.append(this.destinationLocalReferenceNumber.getValue());
sb.append(" resetCause=");
if (this.resetCause != null)
sb.append(this.resetCause.getValue());
sb.append(" isMtpOriginated=");
sb.append(this.isMtpOriginated);
sb.append("]");
return sb.toString();
}
}
