Examples with Require gov.nist.javax.sip.header.Require used on opensource projects

Example 1 with Require

use of gov.nist.javax.sip.header.Require in project XobotOS by xamarin.

the class SIPDialog method sendReliableProvisionalResponse.

/*
     * (non-Javadoc)
     * 
     * @see javax.sip.Dialog#sendReliableProvisionalResponse(javax.sip.message.Response)
     */
public void sendReliableProvisionalResponse(Response relResponse) throws SipException {
    if (!this.isServer()) {
        throw new SipException("Not a Server Dialog");
    }
    SIPResponse sipResponse = (SIPResponse) relResponse;
    if (relResponse.getStatusCode() == 100)
        throw new SipException("Cannot send 100 as a reliable provisional response");
    if (relResponse.getStatusCode() / 100 > 2)
        throw new SipException("Response code is not a 1xx response - should be in the range 101 to 199 ");
    /*
         * Do a little checking on the outgoing response.
         */
    if (sipResponse.getToTag() == null) {
        throw new SipException("Badly formatted response -- To tag mandatory for Reliable Provisional Response");
    }
    ListIterator requireList = (ListIterator) relResponse.getHeaders(RequireHeader.NAME);
    boolean found = false;
    if (requireList != null) {
        while (requireList.hasNext() && !found) {
            RequireHeader rh = (RequireHeader) requireList.next();
            if (rh.getOptionTag().equalsIgnoreCase("100rel")) {
                found = true;
            }
        }
    }
    if (!found) {
        Require require = new Require("100rel");
        relResponse.addHeader(require);
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("Require header with optionTag 100rel is needed -- adding one");
        }
    }
    SIPServerTransaction serverTransaction = (SIPServerTransaction) this.getFirstTransaction();
    /*
         * put into the dialog table before sending the response so as to avoid race condition
         * with PRACK
         */
    this.setLastResponse(serverTransaction, sipResponse);
    this.setDialogId(sipResponse.getDialogId(true));
    serverTransaction.sendReliableProvisionalResponse(relResponse);
    this.startRetransmitTimer(serverTransaction, relResponse);
}

Example 2 with Require

use of gov.nist.javax.sip.header.Require in project XobotOS by xamarin.

the class SIPDialog method createReliableProvisionalResponse.

/*
     * (non-Javadoc)
     * 
     * @see javax.sip.Dialog#createReliableProvisionalResponse(int)
     */
public Response createReliableProvisionalResponse(int statusCode) throws InvalidArgumentException, SipException {
    if (!(firstTransactionIsServerTransaction)) {
        throw new SipException("Not a Server Dialog!");
    }
    /*
         * A UAS MUST NOT attempt to send a 100 (Trying) response reliably. Only provisional
         * responses numbered 101 to 199 may be sent reliably. If the request did not include
         * either a Supported or Require header field indicating this feature, the UAS MUST NOT
         * send the provisional response reliably.
         */
    if (statusCode <= 100 || statusCode > 199)
        throw new InvalidArgumentException("Bad status code ");
    SIPRequest request = this.originalRequest;
    if (!request.getMethod().equals(Request.INVITE))
        throw new SipException("Bad method");
    ListIterator<SIPHeader> list = request.getHeaders(SupportedHeader.NAME);
    if (list == null || !optionPresent(list, "100rel")) {
        list = request.getHeaders(RequireHeader.NAME);
        if (list == null || !optionPresent(list, "100rel")) {
            throw new SipException("No Supported/Require 100rel header in the request");
        }
    }
    SIPResponse response = request.createResponse(statusCode);
    /*
         * The provisional response to be sent reliably is constructed by the UAS core according
         * to the procedures of Section 8.2.6 of RFC 3261. In addition, it MUST contain a Require
         * header field containing the option tag 100rel, and MUST include an RSeq header field.
         * The value of the header field for the first reliable provisional response in a
         * transaction MUST be between 1 and 2**31 - 1. It is RECOMMENDED that it be chosen
         * uniformly in this range. The RSeq numbering space is within a single transaction. This
         * means that provisional responses for different requests MAY use the same values for the
         * RSeq number.
         */
    Require require = new Require();
    try {
        require.setOptionTag("100rel");
    } catch (Exception ex) {
        InternalErrorHandler.handleException(ex);
    }
    response.addHeader(require);
    RSeq rseq = new RSeq();
    /*
         * set an arbitrary sequence number. This is actually set when the response is sent out
         */
    rseq.setSeqNumber(1L);
    /*
         * Copy the record route headers from the request to the response ( Issue 160 ). Note that
         * other 1xx headers do not get their Record Route headers copied over but reliable
         * provisional responses do. See RFC 3262 Table 2.
         */
    RecordRouteList rrl = request.getRecordRouteHeaders();
    if (rrl != null) {
        RecordRouteList rrlclone = (RecordRouteList) rrl.clone();
        response.setHeader(rrlclone);
    }
    return response;
}