/** Creates a CANCEL request. */
public static Message createCancelRequest(Message method, Dialog dialog) {
ToHeader to = method.getToHeader();
FromHeader from = method.getFromHeader();
SipURL request_uri = method.getRequestLine().getAddress();
NameAddress contact = method.getContactHeader().getNameAddress();
ViaHeader via = method.getViaHeader();
String host_addr = via.getHost();
int host_port = via.getPort();
boolean rport = via.hasRport();
String proto = via.getProtocol();
String branch = method.getViaHeader().getBranch();
return createRequest(
SipMethods.CANCEL,
request_uri,
to.getNameAddress(),
from.getNameAddress(),
contact,
proto,
host_addr,
host_port,
rport,
method.getCallIdHeader().getCallId(),
method.getCSeqHeader().getSequenceNumber(),
from.getParameter("tag"),
to.getParameter("tag"),
branch,
"",
null,
null); // modified by mandrajg
}
/** Creates an ACK request for a non-2xx response */
public static Message createNon2xxAckRequest(
SipProvider sip_provider, Message method, Message resp) {
SipURL request_uri = method.getRequestLine().getAddress();
FromHeader from = method.getFromHeader();
ToHeader to = resp.getToHeader();
String via_addr = sip_provider.getViaAddress();
int host_port = sip_provider.getPort();
boolean rport = sip_provider.isRportSet();
String proto;
if (request_uri.hasTransport()) proto = request_uri.getTransport();
else proto = sip_provider.getDefaultTransport();
String branch = method.getViaHeader().getBranch();
NameAddress contact = null;
Message ack =
createRequest(
SipMethods.ACK,
request_uri,
to.getNameAddress(),
from.getNameAddress(),
contact,
proto,
via_addr,
host_port,
rport,
method.getCallIdHeader().getCallId(),
method.getCSeqHeader().getSequenceNumber(),
from.getParameter("tag"),
to.getParameter("tag"),
branch,
null,
null,
null); // modified by mandrajg
ack.removeExpiresHeader();
if (method.hasRouteHeader()) ack.setRoutes(method.getRoutes());
return ack;
}