private void assertViaHeaders(final String... vias) throws Exception {
final String[] formatedViaValues = new String[vias.length];
for (int i = 0; i < vias.length; ++i) {
formatedViaValues[i] = String.format(vias[i], i);
if (formatedViaValues[i].startsWith("Via: ")) {
formatedViaValues[i] = formatedViaValues[i].substring("Via: ".length());
}
}
SipResponse response = createResponseWithViaHeaders(vias);
// this should always return the top-most via header which will
// always have the branchBase-0 as its branch since that is how we generate
// the branches...
final ViaHeader via = response.getViaHeader();
assertThat(via.getBranch().toString(), is(this.branchBase + 0));
assertThat(via.getValue().toString(), is(formatedViaValues[0]));
// make sure that the other Via-header is still in the msg
assertViasInMessageDump(response, formatedViaValues);
// do it again but ask for all the Via headers up front since
// the parsing may be slightly different (which it is)
response = createResponseWithViaHeaders(vias);
final List<ViaHeader> viaHeaders = response.getViaHeaders();
assertThat(viaHeaders.size(), is(vias.length));
for (int i = 0; i < viaHeaders.size(); ++i) {
assertThat(viaHeaders.get(i).getBranch().toString().contains(this.branchBase + i), is(true));
}
}
private void assertTopMostVia(
final SipMessage msg, final String host, final int port, final String transport)
throws Exception {
final ViaHeader via =
this.headerFactory.createViaHeader(Buffers.wrap(host), port, Buffers.wrap(transport), null);
msg.addHeaderFirst(via);
final ViaHeader topMostVia = msg.getViaHeader();
assertThat(topMostVia.getBranch(), not((Buffer) null));
assertThat(topMostVia.getHost().toString(), is(host));
assertThat(topMostVia.getPort(), is(port));
assertThat(topMostVia.getTransport().toString(), is(transport));
}
/** Make sure that all our Via-headers can be modified the way we need it. */
@Test
public void testViaHeaderManipulation() throws Exception {
final SipRequest request = (SipRequest) parseMessage(RawData.sipInvite);
final ViaHeader topMostVia = request.getViaHeader();
assertThat(topMostVia.getBranch().toString(), is("z9hG4bK-16732-1-0"));
assertThat(topMostVia.getHost().toString(), is("127.0.1.1"));
assertThat(topMostVia.getPort(), is(5060));
assertTopMostVia(request, "192.168.0.100", 6789, "TCP");
assertTopMostVia(request, "192.168.0.101", 1111, "UDP");
final String str = request.toString();
assertThat(str.contains("Via: SIP/2.0/TCP 192.168.0.100:6789"), is(true));
assertThat(str.contains("Via: SIP/2.0/UDP 192.168.0.101:1111"), is(true));
}
@Override
public ViaHeader popViaHeader() throws SipParseException {
final SipHeader header = popHeader(ViaHeader.NAME);
if (header instanceof ViaHeader) {
return (ViaHeader) header;
}
if (header == null) {
return null;
}
final Buffer buffer = header.getValue();
return ViaHeader.frame(buffer);
}