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/*
* Mobius Software LTD
* Copyright 2019, Mobius Software LTD and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* 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
*/
package org.restcomm.protocols.ss7.inap;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.restcomm.protocols.ss7.inap.api.INAPApplicationContext;
import org.restcomm.protocols.ss7.inap.api.INAPDialog;
import org.restcomm.protocols.ss7.inap.api.INAPException;
import org.restcomm.protocols.ss7.inap.api.INAPMessage;
import org.restcomm.protocols.ss7.inap.api.INAPParsingComponentException;
import org.restcomm.protocols.ss7.inap.api.INAPProvider;
import org.restcomm.protocols.ss7.inap.api.INAPServiceBase;
import org.restcomm.protocols.ss7.inap.api.INAPServiceListener;
import org.restcomm.protocols.ss7.inap.api.errors.INAPErrorMessage;
import org.restcomm.protocols.ss7.inap.service.circuitSwitchedCall.INAPServiceCircuitSwitchedCallImpl;
import org.restcomm.protocols.ss7.sccp.parameter.SccpAddress;
import org.restcomm.protocols.ss7.tcap.api.TCAPException;
import org.restcomm.protocols.ss7.tcap.api.tc.dialog.Dialog;
import org.restcomm.protocols.ss7.tcap.asn.comp.ComponentType;
import org.restcomm.protocols.ss7.tcap.asn.comp.InvokeImpl;
import org.restcomm.protocols.ss7.tcap.asn.comp.OperationCode;
import org.restcomm.protocols.ss7.tcap.asn.comp.Problem;
/**
* This class must be the super class of all INAP services
*
* @author yulian.oifa
*
*/
public abstract class INAPServiceBaseImpl implements INAPServiceBase {
protected Boolean _isActivated = false;
protected List serviceListeners = new CopyOnWriteArrayList();
protected INAPProviderImpl inapProviderImpl = null;
protected INAPServiceBaseImpl(INAPProviderImpl inapProviderImpl) {
this.inapProviderImpl = inapProviderImpl;
}
@Override
public INAPProvider getINAPProvider() {
return this.inapProviderImpl;
}
/**
* Creation a INAP Dialog implementation for the specific service
*
* @param appCntx
* @param tcapDialog
* @return
*/
protected abstract INAPDialogImpl createNewDialogIncoming(INAPApplicationContext appCntx, Dialog tcapDialog, Boolean logStats);
/**
* Creating new outgoing TCAP Dialog. Used when creating a new outgoing INAP Dialog
*
* @param origAddress
* @param destAddress
* @return
* @throws INAPException
*/
protected Dialog createNewTCAPDialog(SccpAddress origAddress, SccpAddress destAddress, Long localTrId, int networkId) throws INAPException {
try {
return this.inapProviderImpl.getTCAPProvider().getNewDialog(origAddress, destAddress, localTrId, networkId);
} catch (TCAPException e) {
throw new INAPException(e.getMessage(), e);
}
}
public abstract void processComponent(ComponentType compType, OperationCode oc, INAPMessage parameter, INAPDialog inapDialog,
Integer invokeId, Integer linkedId) throws INAPParsingComponentException;
/**
* Returns a list of linked operations for operCode operation
*
* @param operCode
* @return
*/
public long[] getLinkedOperationList(long operCode) {
return null;
}
protected void addINAPServiceListener(INAPServiceListener inapServiceListener) {
this.serviceListeners.add(inapServiceListener);
}
protected void removeINAPServiceListener(INAPServiceListener inapServiceListener) {
this.serviceListeners.remove(inapServiceListener);
}
/**
* This method is invoked when INAPProviderImpl.onInvokeTimeOut() is invoked. An InvokeTimeOut may be a normal situation for
* the component class 2, 3, or 4. In this case checkInvokeTimeOut() should return true and deliver to the INAP-user correct
* indication
*
* @param dialog
* @param invoke
* @return
*/
public boolean checkInvokeTimeOut(INAPDialog dialog, InvokeImpl invoke) {
return false;
}
/**
* {@inheritDoc}
*/
public boolean isActivated() {
return this._isActivated;
}
/**
* {@inheritDoc}
*/
public void acivate() {
this._isActivated = true;
}
/**
* {@inheritDoc}
*/
public void deactivate() {
this._isActivated = false;
// TODO: abort all active dialogs ?
}
protected void deliverErrorComponent(INAPDialog inapDialog, Integer invokeId, INAPErrorMessage inapErrorMessage) {
for (INAPServiceListener serLis : this.serviceListeners) {
serLis.onErrorComponent(inapDialog, invokeId, inapErrorMessage);
}
}
protected void deliverRejectComponent(INAPDialog inapDialog, Integer invokeId, Problem problem, boolean isLocalOriginated) {
for (INAPServiceListener serLis : this.serviceListeners) {
serLis.onRejectComponent(inapDialog, invokeId, problem, isLocalOriginated);
}
}
protected void deliverInvokeTimeout(INAPDialog inapDialog, int invokeId) {
for (INAPServiceListener serLis : this.serviceListeners) {
serLis.onInvokeTimeout(inapDialog, invokeId);
}
}
public static List getNames() {
return Arrays.asList(new String[] { INAPServiceCircuitSwitchedCallImpl.NAME});
}
}
