private void tryFinal() {
assert (_actives == 0);
if (LOG.isDebugEnabled()) LOG.debug("tryFinal, branches: {}, untried: {}", _branches, _targets);
if (_best == null) {
_best =
(SipResponse) getOriginalRequest().createResponse(SipServletResponse.SC_REQUEST_TIMEOUT);
_best.setToTag(ID.newTag());
}
if (LOG.isDebugEnabled()) LOG.debug("final response is {}", _best, null);
_best.setBranchResponse(false);
invokeServlet(_best);
if (_actives > 0) {
if (LOG.isDebugEnabled()) LOG.debug("new branch(es) created in callback {}", _branches, null);
return;
}
forward(_best);
}
public void handleResponse(SipResponse response) {
_response = response;
int status = response.getStatus();
if (status == 100) return;
if (_tx.isCompleted() && !response.is2xx()) {
if (LOG.isDebugEnabled())
LOG.debug("Dropping response " + response.getStatus() + " since proxy is completed");
return;
}
if (LOG.isDebugEnabled()) LOG.debug("Got response {}", response, null);
SipRequest request = _tx.getRequest();
Session session = request.session();
if (request.isInitial() && status < 300) {
if (!session.isSameDialog(response)) {
AppSession appSession = session.appSession();
Session derived = appSession.getSession(response);
if (derived == null) derived = appSession.createDerivedSession(session);
session = derived;
}
}
response.setSession(session);
if (status < 300) session.updateState(response, false);
response.removeTopVia();
response.setProxyBranch(this);
if (status < 200) {
if (response.isInvite()) updateTimerC();
invokeServlet(response);
forward(response);
} else {
_actives--;
stopTimerC();
if ((300 <= status && status < 400) && _branchRecurse) {
try {
Iterator<Address> it = response.getAddressHeaders(SipHeaders.CONTACT);
while (it.hasNext()) {
Address contact = (Address) it.next();
if (contact.getURI().isSipURI()) {
Branch branch = addTarget(contact.getURI());
if (branch != null) {
_recursedBranches = LazyList.add(_recursedBranches, branch);
branch.setRecurse(_branchRecurse);
}
}
}
} catch (ServletParseException e) {
LOG.ignore(e);
}
}
if (_best == null
|| (_best.getStatus() < 600 && (status < _best.getStatus() || status >= 600))) {
_best = response;
}
if (status >= 600) {
SipProxy.this.doCancel(null, null, null);
}
if (status < 300) {
invokeServlet(response);
forward(response);
SipProxy.this.doCancel(null, null, null);
} else {
if (LazyList.size(_targets) > 0) startProxy();
if (_actives > 0) {
response.setBranchResponse(true);
invokeServlet(response);
} else {
tryFinal();
}
}
}
}