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/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. 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.mobicents.slee.resource.sip11.wrappers;
import gov.nist.javax.sip.stack.SIPServerTransaction;
import java.text.ParseException;
import javax.sip.Dialog;
import javax.sip.InvalidArgumentException;
import javax.sip.ServerTransaction;
import javax.sip.SipException;
import javax.sip.Transaction;
import javax.sip.header.ToHeader;
import javax.sip.message.Request;
import javax.sip.message.Response;
import javax.slee.Address;
import javax.slee.AddressPlan;
import javax.slee.facilities.Tracer;
import org.mobicents.slee.resource.sip11.ServerTransactionActivityHandle;
import org.mobicents.slee.resource.sip11.SipResourceAdaptor;
/**
*
* A wrapper for {@link ServerTransaction}
*
*/
public class ServerTransactionWrapper extends TransactionWrapper implements ServerTransaction {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
*
*/
private final transient boolean ackTransaction;
private transient Address eventFiringAddress;
private static Tracer tracer;
private transient ServerTransaction wrappedTransaction;
/**
*
* @param wrappedTransaction
* @param ra
*/
public ServerTransactionWrapper(ACKDummyTransaction wrappedTransaction, SipResourceAdaptor ra) {
this(wrappedTransaction.getTxId(),wrappedTransaction,ra,true);
}
/**
*
* @param wrappedTransaction
* @param ra
*/
public ServerTransactionWrapper(SIPServerTransaction wrappedTransaction, SipResourceAdaptor ra) {
this(wrappedTransaction.getTransactionId(),wrappedTransaction,ra,wrappedTransaction.getRequest().getMethod().equals(Request.ACK));
}
/**
*
* @param wrappedTransaction
* @param ra
* @param ackTransaction
*/
private ServerTransactionWrapper(String txId, ServerTransaction wrappedTransaction, SipResourceAdaptor ra, boolean ackTransaction) {
super(new ServerTransactionActivityHandle(txId),ra);
this.ackTransaction = ackTransaction;
this.wrappedTransaction = wrappedTransaction;
this.wrappedTransaction.setApplicationData(new ServerTransactionWrapperAppData(this));
if (tracer == null) {
tracer = ra.getTracer(ServerTransactionWrapper.class.getSimpleName());
}
}
@Override
public Transaction getWrappedTransaction() {
return wrappedTransaction;
}
/**
*
* @return
*/
public ServerTransaction getWrappedServerTransaction() {
return wrappedTransaction;
}
/**
* For future use on sip transaction fail over.
* @param wrappedTransaction
*/
public void setWrappedServerTransaction(ServerTransaction wrappedTransaction) {
this.wrappedTransaction = wrappedTransaction;
}
@Override
public boolean isAckTransaction() {
return ackTransaction;
}
/* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.wrappers.TransactionWrapper#isClientTransaction()
*/
@Override
public boolean isClientTransaction() {
return false;
}
/*
* Helper to validate the wrapped transaction, before interacting with it.
*/
private void validateWrappedTransaction() throws IllegalStateException {
if (wrappedTransaction == null) {
throw new IllegalStateException();
}
}
/*
* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.wrappers.WrapperSuperInterface#getEventFiringAddress()
*/
public Address getEventFiringAddress() {
if (eventFiringAddress == null) {
eventFiringAddress = new Address(AddressPlan.SIP,
((ToHeader) wrappedTransaction.getRequest().getHeader(ToHeader.NAME))
.getAddress().toString());
}
return eventFiringAddress;
}
/*
* (non-Javadoc)
* @see javax.sip.ServerTransaction#enableRetransmissionAlerts()
*/
public void enableRetransmissionAlerts() throws SipException {
validateWrappedTransaction();
wrappedTransaction.enableRetransmissionAlerts();
}
/*
* (non-Javadoc)
* @see javax.sip.ServerTransaction#sendResponse(javax.sip.message.Response)
*/
public void sendResponse(Response arg0) throws SipException, InvalidArgumentException {
validateWrappedTransaction();
final Dialog d = wrappedTransaction.getDialog();
if (d != null) {
final DialogWrapper dw = ra.getDialogWrapper(d);
if (dw != null) {
final int statusCode = arg0.getStatusCode();
if (this.getRequest().getMethod().equals(Request.CANCEL) && (statusCode < 300 && statusCode > 199) && dw.getState() == null ) {
dw.delete();
}
else if (d.getLocalTag() == null) {
// a new dialog which local tag is not yet known by jain sip stack, add the tag to the response
try {
((ToHeader)arg0.getHeader(ToHeader.NAME)).setTag(dw.getLocalTag());
} catch (ParseException e) {
throw new SipException(e.getMessage(),e);
}
}
}
}
if (tracer.isInfoEnabled()) {
tracer.info(toString()+" sending response:\n"+arg0);
}
wrappedTransaction.sendResponse(arg0);
}
@Override
public String toString() {
final Transaction transaction = this.wrappedTransaction;
final String id = transaction == null ? "null" : transaction.getBranchId();
return new StringBuilder("ServerTransaction[").append(id).append(']').toString();
}
@Override
public void terminated() {
}
/* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.wrappers.Wrapper#clear()
*/
@Override
public void clear() {
super.clear();
if (wrappedTransaction != null) {
wrappedTransaction.setApplicationData(null);
}
}
}