org.mobicents.servlet.sip.message.SipServletResponseImpl Maven / Gradle / Ivy
/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2014, Telestax Inc 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 routeHeaders = ackRequest.getHeaders(RouteHeader.NAME);
ackRequest.removeHeader(RouteHeader.NAME);
while (routeHeaders.hasNext()) {
RouteHeader routeHeader = routeHeaders.next();
String serverId = ((SipURI)routeHeader .getAddress().getURI()).
getParameter(MessageDispatcher.RR_PARAM_SERVER_NAME);
String routeAppNameHashed = ((SipURI)routeHeader .getAddress().getURI()).
getParameter(MessageDispatcher.RR_PARAM_APPLICATION_NAME);
String routeAppName = null;
if(routeAppNameHashed != null) {
routeAppName = sipFactoryImpl.getSipApplicationDispatcher().getApplicationNameFromHash(routeAppNameHashed);
}
if(routeAppName == null || !sipFactoryImpl.getSipApplicationDispatcher().getApplicationServerId().equalsIgnoreCase(serverId) || !routeAppName.equals(getSipSession().getKey().getApplicationName())) {
ackRequest.addHeader(routeHeader);
}
}
sipServletAckRequest = (SipServletRequestImpl) sipFactoryImpl.getMobicentsSipServletMessageFactory().createSipServletRequest(
ackRequest,
this.getSipSession(),
this.getTransaction(),
dialog,
false);
isAckGenerated = true;
} catch (InvalidArgumentException e) {
logger.error("Impossible to create the ACK",e);
} catch (SipException e) {
logger.error("Impossible to create the ACK",e);
}
return sipServletAckRequest;
}
public SipServletRequest createPrack() throws Rel100Exception {
final Response response = getResponse();
if((response.getStatusCode() == 100 && response.getStatusCode() >= 200) || isPrackGenerated) {
throw new IllegalStateException("the transaction state is such that it doesn't allow a PRACK to be sent now, or this response is provisional only, or a PRACK has already been generated");
}
if(!Request.INVITE.equals(getTransaction().getRequest().getMethod())) {
throw new Rel100Exception(Rel100Exception.NOT_INVITE);
}
final MobicentsSipSession session = getSipSession();
Dialog dialog = session.getSessionCreatingDialog();
SipServletRequestImpl sipServletPrackRequest = null;
try {
if(logger.isDebugEnabled()) {
logger.debug("dialog to create the prack Request " + dialog);
}
Request prackRequest = dialog.createPrack(response);
if(logger.isInfoEnabled()) {
logger.info("prackRequest just created " + prackRequest);
}
// Fix for Issue 1808 : The Via header of PRACK request that sent by Mobicents contains "0.0.0.0".
// we remove the via header that was given by the dialog and let MSS set it later on
prackRequest.removeHeader(ViaHeader.NAME);
// cater to http://code.google.com/p/sipservlets/issues/detail?id=31 to be able to set the rport in applications
final SipApplicationDispatcher sipApplicationDispatcher = sipFactoryImpl.getSipApplicationDispatcher();
final String branch = JainSipUtils.createBranch(session.getSipApplicationSession().getKey().getId(), sipApplicationDispatcher.getHashFromApplicationName(session.getSipApplicationSession().getKey().getApplicationName()));
ViaHeader viaHeader = JainSipUtils.createViaHeader(
sipFactoryImpl.getSipNetworkInterfaceManager(), prackRequest, branch, session.getOutboundInterface());
prackRequest.addHeader(viaHeader);
//Application Routing to avoid going through the same app that created the ack
ListIterator routeHeaders = prackRequest.getHeaders(RouteHeader.NAME);
prackRequest.removeHeader(RouteHeader.NAME);
while (routeHeaders.hasNext()) {
RouteHeader routeHeader = routeHeaders.next();
String serverId = ((SipURI)routeHeader .getAddress().getURI()).
getParameter(MessageDispatcher.RR_PARAM_SERVER_NAME);
String routeAppNameHashed = ((SipURI)routeHeader .getAddress().getURI()).
getParameter(MessageDispatcher.RR_PARAM_APPLICATION_NAME);
String routeAppName = null;
if(routeAppNameHashed != null) {
routeAppName = sipFactoryImpl.getSipApplicationDispatcher().getApplicationNameFromHash(routeAppNameHashed);
}
if(routeAppName == null || !sipFactoryImpl.getSipApplicationDispatcher().getApplicationServerId().equalsIgnoreCase(serverId) || !routeAppName.equals(getSipSession().getKey().getApplicationName())) {
prackRequest.addHeader(routeHeader);
}
}
sipServletPrackRequest = (SipServletRequestImpl) sipFactoryImpl.getMobicentsSipServletMessageFactory().createSipServletRequest(
prackRequest,
this.getSipSession(),
this.getTransaction(),
dialog,
false);
isPrackGenerated = true;
} catch (SipException e) {
logger.error("Impossible to create the ACK",e);
}
return sipServletPrackRequest;
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getOutputStream()
*/
public ServletOutputStream getOutputStream() throws IOException {
// Always return null
return null;
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getProxy()
*/
public Proxy getProxy() {
if(proxyBranch != null) {
return proxyBranch.getProxy();
} else {
return getSipSession().getProxy();
}
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getReasonPhrase()
*/
public String getReasonPhrase() {
return getResponse().getReasonPhrase();
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getRequest()
*/
public SipServletRequest getRequest() {
return originalRequest;
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getStatus()
*/
public int getStatus() {
return getResponse().getStatusCode();
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getWriter()
*/
public PrintWriter getWriter() throws IOException {
// Always returns null.
return null;
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#sendReliably()
*/
public void sendReliably() throws Rel100Exception {
final int statusCode = getStatus();
if(statusCode == 100 || statusCode >= 200) {
throw new Rel100Exception(Rel100Exception.NOT_1XX);
}
if(!Request.INVITE.equals(originalRequest.getMethod())) {
throw new Rel100Exception(Rel100Exception.NOT_INVITE);
}
if(!containsRel100(originalRequest.getMessage())) {
throw new Rel100Exception(Rel100Exception.NO_REQ_SUPPORT);
}
try {
send(true);
} catch (IOException e) {
// sendReliably doesn't throw IOException where send() does...
throw new IllegalStateException(e);
}
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#setStatus(int)
*/
public void setStatus(int statusCode) {
try {
getResponse().setStatusCode(statusCode);
} catch (ParseException e) {
throw new IllegalArgumentException(e);
}
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#setStatus(int, java.lang.String)
*/
public void setStatus(int statusCode, String reasonPhrase) {
try {
final Response response = getResponse();
response.setStatusCode(statusCode);
response.setReasonPhrase(reasonPhrase);
} catch (ParseException e) {
throw new IllegalArgumentException(e);
}
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#flushBuffer()
*/
public void flushBuffer() throws IOException {
// Do nothing
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#getBufferSize()
*/
public int getBufferSize() {
return 0;
}
public Locale getLocale() {
// TODO Auto-generated method stub
return null;
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#reset()
*/
public void reset() {
// Do nothing
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#resetBuffer()
*/
public void resetBuffer() {
// Do nothing
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#setBufferSize(int)
*/
public void setBufferSize(int arg0) {
// Do nothing
}
public void setLocale(Locale arg0) {
// TODO Auto-generated method stub
}
@Override
public void send() throws IOException {
send(false);
}
public void send(boolean sendReliably) throws IOException {
if(isMessageSent) {
throw new IllegalStateException("message already sent");
}
if(hasBeenReceived) {
throw new IllegalStateException("this response was received from downstream");
}
try {
final Response response = getResponse();
final int statusCode = response.getStatusCode();
final MobicentsSipSession session = getSipSession();
final MobicentsSipApplicationSession sipApplicationSession = session.getSipApplicationSession();
final MobicentsSipApplicationSessionKey sipAppSessionKey = sipApplicationSession.getKey();
final MobicentsProxy proxy = session.getProxy();
// if this is a proxy response and the branch is record routing http://code.google.com/p/mobicents/issues/detail?id=747
// we add a record route
if(proxy != null && proxy.getFinalBranchForSubsequentRequests() == null &&
proxyBranch != null && proxyBranch.getRecordRoute() &&
statusCode > Response.TRYING &&
statusCode <= Response.SESSION_NOT_ACCEPTABLE) {
//Issue 112 fix by folsson: use the viaheader transport
final javax.sip.address.SipURI sipURI = JainSipUtils.createRecordRouteURI(
sipFactoryImpl.getSipNetworkInterfaceManager(),
response);
sipURI.setParameter(MessageDispatcher.RR_PARAM_SERVER_NAME, sipFactoryImpl.getSipApplicationDispatcher().getApplicationServerId());
sipURI.setParameter(MessageDispatcher.RR_PARAM_APPLICATION_NAME, sipFactoryImpl.getSipApplicationDispatcher().getHashFromApplicationName(session.getKey().getApplicationName()));
sipURI.setParameter(MessageDispatcher.APP_ID, sipAppSessionKey.getId());
sipURI.setLrParam();
final javax.sip.address.Address recordRouteAddress =
SipFactoryImpl.addressFactory.createAddress(sipURI);
final RecordRouteHeader recordRouteHeader =
SipFactoryImpl.headerFactory.createRecordRouteHeader(recordRouteAddress);
response.addFirst(recordRouteHeader);
if(logger.isDebugEnabled()) {
logger.debug("Record Route added to the response "+ recordRouteHeader);
}
}
final ServerTransaction transaction = (ServerTransaction) getTransaction();
// Update Session state
session.updateStateOnResponse(this, false);
// RFC 3265 : If a 200-class response matches such a SUBSCRIBE request,
// it creates a new subscription and a new dialog.
// Issue 1481 http://code.google.com/p/mobicents/issues/detail?id=1481
// proxy should not add or remove subscription since there is no dialog associated with it
if(Request.SUBSCRIBE.equals(getMethod()) && statusCode >= 200 && statusCode <= 300 && session.getProxy() == null) {
session.addSubscription(this);
}
// RFC 3262 Section 3 UAS Behavior
if(sendReliably) {
// fix for Issue 1564 : http://code.google.com/p/mobicents/issues/detail?id=1564
// Send reliably can add a duplicate 100rel to the requires line
// don't add it if it is already present (the app can add it)
if(!containsRel100(response)) {
final Header requireHeader = SipFactoryImpl.headerFactory.createRequireHeader(REL100_OPTION_TAG);
response.addHeader(requireHeader);
}
final Header rseqHeader = SipFactoryImpl.headerFactory.createRSeqHeader(getTransactionApplicationData().getRseqNumber().getAndIncrement());
response.addHeader(rseqHeader);
}
if(logger.isDebugEnabled()) {
logger.debug("sending response "+ this.message);
}
if(originalRequest == null && proxy != null) {
String txid = ((ViaHeader) message.getHeader(ViaHeader.NAME)).getBranch();
TransactionApplicationData tad = (TransactionApplicationData) proxy.getTransactionMap().get(txid);
if(logger.isDebugEnabled()) {
logger.debug("Trying to recover lost transaction for proxy: " + txid);
}
if(tad != null) {
if(logger.isDebugEnabled()) {
logger.debug("Recovering lost transaction from the proxy transaction map is succesful: " + txid);
}
originalRequest = (SipServletRequestImpl) tad.getSipServletMessage();
}
}
if(logger.isDebugEnabled()) {
logger.debug("original req "+ originalRequest);
if(originalRequest != null) {
logger.debug("original req routing state "+ originalRequest.getRoutingState());
}
if(transaction != null) {
logger.debug("transaction dialog "+ transaction.getDialog());
}
}
//if a response is sent for an initial request, it means that the application
//acted as an endpoint so a dialog must be created but only for dialog creating method
if(!Request.CANCEL.equals(originalRequest.getMethod())
&& (RoutingState.INITIAL.equals(originalRequest.getRoutingState())
|| RoutingState.RELAYED.equals(originalRequest.getRoutingState()))
&& transaction.getDialog() == null
&& JainSipUtils.DIALOG_CREATING_METHODS.contains(getMethod())) {
final String transport = JainSipUtils.findTransport(transaction.getRequest());
final SipProvider sipProvider = sipFactoryImpl.getSipNetworkInterfaceManager().findMatchingListeningPoint(
transport, false).getSipProvider();
Dialog dialog = null;
// Creates a dialog only for non trying responses
// and non error responses to cope with Issue 1104 : http://code.google.com/p/mobicents/issues/detail?id=1104
// there is no need to create a dialog in this case since it goes directly from NULL state to TERMINATED state
// and this will avoid early invalidation of the session (ie, dialogterminatedevent sent by the stack
// invalidating the session before ACK has been received)
if(statusCode != Response.TRYING && statusCode < 300) {
dialog = sipProvider.getNewDialog(transaction);
((DialogExt)dialog).disableSequenceNumberValidation();
}
session.setSessionCreatingDialog(dialog);
if(logger.isDebugEnabled()) {
logger.debug("created following dialog since the application is acting as an endpoint " + dialog);
}
}
final Dialog dialog = transaction == null ? null:transaction.getDialog();
//keeping track of application data and transaction in the dialog
if(dialog != null) {
// Issue 1822 : we need to reset the application data even if dialg appdata is null otherwise the app is not invoked for noAckReceived on re INVITE
// if(dialog.getApplicationData() == null) {
final TransactionApplicationData originalRequestAppData = originalRequest.getTransactionApplicationData();
if(originalRequestAppData != null) {
dialog.setApplicationData(originalRequestAppData);
}
// }
((TransactionApplicationData)dialog.getApplicationData()).
setTransaction(transaction);
}
//specify that a final response has been sent for the request
//so that the application dispatcher knows it has to stop
//processing the request
// if(response.getStatusCode() > Response.TRYING &&
// response.getStatusCode() < Response.OK) {
// originalRequest.setRoutingState(RoutingState.INFORMATIONAL_RESPONSE_SENT);
// }
if(statusCode >= Response.OK &&
statusCode <= Response.SESSION_NOT_ACCEPTABLE) {
originalRequest.setRoutingState(RoutingState.FINAL_RESPONSE_SENT);
}
if(originalRequest != null) {
originalRequest.setResponse(this);
if(originalRequest.getTransaction() != null && originalRequest.getTransaction().getApplicationData() != null &&
((TransactionApplicationData)originalRequest.getTransaction().getApplicationData()).getSipServletMessage() != null &&
((TransactionApplicationData)originalRequest.getTransaction().getApplicationData()).getSipServletMessage() instanceof SipServletRequestImpl) {
// used for early dialog failover purposes
((SipServletRequestImpl)((TransactionApplicationData)originalRequest.getTransaction().getApplicationData()).getSipServletMessage()).setResponse(this);
}
}
//updating the last accessed times
session.access();
sipApplicationSession.access();
// Issue 1791 : using a different classloader created outside the application loader
// to avoid leaks on startup/shutdown
final ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
try {
final ClassLoader cl = sipApplicationSession.getSipContext().getClass().getClassLoader();
Thread.currentThread().setContextClassLoader(cl);
if(transaction == null) {
if(logger.isDebugEnabled()) {
logger.debug("Sending response statelessly " + message);
}
final String transport = JainSipUtils.findTransport(((SipServletRequestImpl)this.getRequest()).getMessage());
final SipProvider sipProvider = sipFactoryImpl.getSipNetworkInterfaceManager().findMatchingListeningPoint(
transport, false).getSipProvider();
sipProvider.sendResponse((Response)this.message);
} else if(sendReliably) {
if(logger.isDebugEnabled()) {
logger.debug("Sending response reliably " + message);
}
dialog.sendReliableProvisionalResponse((Response)this.message);
} else {
if(logger.isDebugEnabled()) {
logger.debug("Sending response " + message + " through tx " + transaction);
}
if(proxy != null && transaction.getDialog() != null && transaction instanceof SIPServerTransaction) {
// http://code.google.com/p/mobicents/issues/detail?id=2939 : Application Chaining and multiple protocols usage issue
// avoid that in Application chaining case (Proxy then B2BUA), the proxy server tx that got
// the dialog affected to it, mess up with the last response in multiple protocols scenarios.
// so we nullify the dialog for that tx which is fine since we are a proxy application
((SIPServerTransaction) transaction).setDialog(null, null);
}
transaction.sendResponse( (Response)this.message );
sipFactoryImpl.getSipApplicationDispatcher().updateResponseStatistics((Response)this.message, false);
if(dialog != null) {
// we need to set the dialog again because it's possible that when the dialog
// was created it was in null state thus no dialog id so we need to reset it to trigger
// replication of the dialog id since the dialog id is computed only after the response has been sent
session.setSessionCreatingDialog(dialog);
}
}
isMessageSent = true;
if(isProxiedResponse) {
isResponseForwardedUpstream = true;
}
} finally {
Thread.currentThread().setContextClassLoader(oldClassLoader);
}
} catch (Exception e) {
if(e.getCause() != null && e.getCause() instanceof IOException) {
throw (IOException) e.getCause();
}
throw new IllegalStateException("an exception occured when sending the response " + message, e);
}
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletResponse#getChallengeRealms()
*/
public Iterator getChallengeRealms() {
List realms = new ArrayList();
final Response response = getResponse();
if(response.getStatusCode() == SipServletResponse.SC_UNAUTHORIZED) {
WWWAuthenticateHeader authenticateHeader = (WWWAuthenticateHeader)
response.getHeader(WWWAuthenticateHeader.NAME);
realms.add(authenticateHeader.getRealm());
} else if (response.getStatusCode() == SipServletResponse.SC_PROXY_AUTHENTICATION_REQUIRED) {
ProxyAuthenticateHeader authenticateHeader = (ProxyAuthenticateHeader)
response.getHeader(ProxyAuthenticateHeader.NAME);
realms.add(authenticateHeader.getRealm());
}
return realms.iterator();
}
/**
* {@inheritDoc}
*/
public ProxyBranch getProxyBranch() {
return proxyBranch;
}
/**
* {@inheritDoc}
*/
public void setProxyBranch(MobicentsProxyBranch proxyBranch) {
this.proxyBranch = proxyBranch;
// doBranchResponse is only called for intermediate branch final responses
if(proxyBranch != null && getStatus() >= 200) {
this.branchResponse = true;
}
}
/**
* {@inheritDoc}
*/
public boolean isBranchResponse() {
return this.branchResponse;
}
/**
* {@inheritDoc}
*/
public void setBranchResponse(boolean branchResponse) {
this.branchResponse = branchResponse;
}
/*
* (non-Javadoc)
* @see javax.servlet.sip.SipServletMessage#isCommitted()
*/
public boolean isCommitted() {
Transaction tx = getTransaction();
// Issue 1571 : http://code.google.com/p/mobicents/issues/detail?id=1571
// NullPointerException in SipServletResponseImpl.isCommitted
if(tx != null) {
//the message is an incoming non-reliable provisional response received by a servlet acting as a UAC
if(tx instanceof ClientTransaction && getStatus() >= 101 && getStatus() <= 199 && getHeader("RSeq") == null) {
if(this.proxyBranch == null) { // Make sure this is not a proxy. Proxies are allowed to modify headers.
return true;
} else {
return false;
}
}
//the message is an incoming reliable provisional response for which PRACK has already been generated. (Note that this scenario applies to containers that support the 100rel extension.)
if(tx instanceof ClientTransaction && getStatus() >= 101 && getStatus() <= 199 && getHeader("RSeq") != null && TransactionState.TERMINATED.equals(tx.getState())) {
if(this.proxyBranch == null) { // Make sure this is not a proxy. Proxies are allowed to modify headers.
return true;
} else {
return false;
}
}
//the message is an incoming final response received by a servlet acting as a UAC for a Non INVITE transaction
if(tx instanceof ClientTransaction && getStatus() >= 200 && getStatus() <= 999 && !Request.INVITE.equals(((SIPClientTransaction)tx).getMethod())) {
if(this.proxyBranch == null) { // Make sure this is not a proxy. Proxies are allowed to modify headers.
return true;
} else {
return false;
}
}
//the message is a response which has been forwarded upstream
if(isResponseForwardedUpstream) {
return true;
}
//message is an incoming final response to an INVITE transaction and an ACK has been generated
if(tx instanceof ClientTransaction && getStatus() >= 200 && getStatus() <= 999 && TransactionState.TERMINATED.equals(tx.getState()) && isAckGenerated) {
return true;
}
}
return false;
}
@Override
protected void checkMessageState() {
if(isMessageSent || getTransaction() instanceof ClientTransaction) {
throw new IllegalStateException("Message already sent or incoming message");
}
}
public void setOriginalRequest(SipServletRequestImpl originalRequest) {
if(logger.isDebugEnabled()) {
logger.debug("original request set to " + originalRequest + " for response " + message);
}
this.originalRequest = originalRequest;
}
/**
* @param isProxiedResponse the isProxiedResponse to set
*/
public void setProxiedResponse(boolean isProxiedResponse) {
this.isProxiedResponse = isProxiedResponse;
}
/**
* @return the isProxiedResponse
*/
public boolean isProxiedResponse() {
return isProxiedResponse;
}
/*
* (non-Javadoc)
* @see javax.servlet.ServletResponse#setCharacterEncoding(java.lang.String)
*/
public void setCharacterEncoding(String enc) {
try {
this.message.setContentEncoding(SipFactoryImpl.headerFactory
.createContentEncodingHeader(enc));
} catch (Exception ex) {
throw new IllegalArgumentException("Encoding " + enc + " not valid", ex);
}
}
@Override
public void cleanUp() {
// super.cleanUp();
originalRequest = null;
proxyBranch = null;
}
/*
* (non-Javadoc)
* @see java.io.Externalizable#readExternal(java.io.ObjectInput)
*/
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
super.readExternal(in);
String messageString = in.readUTF();
try {
message = SipFactoryImpl.messageFactory.createResponse(messageString);
} catch (ParseException e) {
throw new IllegalArgumentException("Message " + messageString + " previously serialized could not be reparsed", e);
}
boolean isOriginalRequestSerialized = in.readBoolean();
if (isOriginalRequestSerialized) {
originalRequest = (SipServletRequestImpl) in.readObject();
}
boolean isProxyBranchSerialized = in.readBoolean();
if (isProxyBranchSerialized) {
proxyBranch = (ProxyBranchImpl) in.readObject();
}
isProxiedResponse = in.readBoolean();
isResponseForwardedUpstream = in.readBoolean();
isAckGenerated = in.readBoolean();
isPrackGenerated = in.readBoolean();
hasBeenReceived = in.readBoolean();
}
/*
* (non-Javadoc)
* @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
*/
public void writeExternal(ObjectOutput out) throws IOException {
super.writeExternal(out);
if(originalRequest == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeObject(originalRequest);
}
if(proxyBranch == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeObject(proxyBranch);
}
out.writeBoolean(isProxiedResponse);
out.writeBoolean(isResponseForwardedUpstream);
out.writeBoolean(isAckGenerated);
out.writeBoolean(isPrackGenerated);
out.writeBoolean(hasBeenReceived);
}
public boolean isRetransmission() {
return isRetransmission;
}
// https://code.google.com/p/sipservlets/issues/detail?id=137
@Override
public String getRemoteAddr() {
if(!hasBeenReceived) {
return null;
}
return super.getRemoteAddr();
}
@Override
public int getRemotePort() {
if(!hasBeenReceived) {
return -1;
}
return super.getRemotePort();
}
}
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