Examples with SIPRequest gov.nist.javax.sip.message.SIPRequest used on opensource projects

Example 26 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPClientTransaction method sendRequest.

/*
     * (non-Javadoc)
     * 
     * @see javax.sip.ClientTransaction#sendRequest()
     */
public void sendRequest() throws SipException {
    SIPRequest sipRequest = this.getOriginalRequest();
    if (this.getState() != null)
        throw new SipException("Request already sent");
    if (sipStack.isLoggingEnabled()) {
        sipStack.getStackLogger().logDebug("sendRequest() " + sipRequest);
    }
    try {
        sipRequest.checkHeaders();
    } catch (ParseException ex) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logError("missing required header");
        throw new SipException(ex.getMessage());
    }
    if (getMethod().equals(Request.SUBSCRIBE) && sipRequest.getHeader(ExpiresHeader.NAME) == null) {
        /*
             * If no "Expires" header is present in a SUBSCRIBE request, the implied default is
             * defined by the event package being used.
             * 
             */
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logWarning("Expires header missing in outgoing subscribe --" + " Notifier will assume implied value on event package");
    }
    try {
        /*
             * This check is removed because it causes problems for load balancers ( See issue
             * 136) reported by Raghav Ramesh ( BT )
             * 
             */
        if (this.getOriginalRequest().getMethod().equals(Request.CANCEL) && sipStack.isCancelClientTransactionChecked()) {
            SIPClientTransaction ct = (SIPClientTransaction) sipStack.findCancelTransaction(this.getOriginalRequest(), false);
            if (ct == null) {
                /*
                     * If the original request has generated a final response, the CANCEL SHOULD
                     * NOT be sent, as it is an effective no-op, since CANCEL has no effect on
                     * requests that have already generated a final response.
                     */
                throw new SipException("Could not find original tx to cancel. RFC 3261 9.1");
            } else if (ct.getState() == null) {
                throw new SipException("State is null no provisional response yet -- cannot cancel RFC 3261 9.1");
            } else if (!ct.getMethod().equals(Request.INVITE)) {
                throw new SipException("Cannot cancel non-invite requests RFC 3261 9.1");
            }
        } else if (this.getOriginalRequest().getMethod().equals(Request.BYE) || this.getOriginalRequest().getMethod().equals(Request.NOTIFY)) {
            SIPDialog dialog = sipStack.getDialog(this.getOriginalRequest().getDialogId(false));
            // Dialog
            if (this.getSipProvider().isAutomaticDialogSupportEnabled() && dialog != null) {
                throw new SipException("Dialog is present and AutomaticDialogSupport is enabled for " + " the provider -- Send the Request using the Dialog.sendRequest(transaction)");
            }
        }
        // Only map this after the fist request is sent out.
        if (this.getMethod().equals(Request.INVITE)) {
            SIPDialog dialog = this.getDefaultDialog();
            if (dialog != null && dialog.isBackToBackUserAgent()) {
                // Block sending re-INVITE till we see the ACK.
                if (!dialog.takeAckSem()) {
                    throw new SipException("Failed to take ACK semaphore");
                }
            }
        }
        this.isMapped = true;
        this.sendMessage(sipRequest);
    } catch (IOException ex) {
        this.setState(TransactionState.TERMINATED);
        throw new SipException("IO Error sending request", ex);
    }
}

Example 27 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPDialog method addTransaction.

/**
     * Add a transaction record to the dialog.
     * 
     * @param transaction is the transaction to add to the dialog.
     */
public void addTransaction(SIPTransaction transaction) {
    SIPRequest sipRequest = (SIPRequest) transaction.getOriginalRequest();
    // Proessing a re-invite.
    if (firstTransactionSeen && !firstTransactionId.equals(transaction.getBranchId()) && transaction.getMethod().equals(firstTransactionMethod)) {
        this.reInviteFlag = true;
    }
    if (firstTransactionSeen == false) {
        // Record the local and remote sequenc
        // numbers and the from and to tags for future
        // use on this dialog.
        storeFirstTransactionInfo(this, transaction);
        if (sipRequest.getMethod().equals(Request.SUBSCRIBE))
            this.eventHeader = (EventHeader) sipRequest.getHeader(EventHeader.NAME);
        this.setLocalParty(sipRequest);
        this.setRemoteParty(sipRequest);
        this.setCallId(sipRequest);
        if (this.originalRequest == null) {
            this.originalRequest = sipRequest;
        }
        if (this.method == null) {
            this.method = sipRequest.getMethod();
        }
        if (transaction instanceof SIPServerTransaction) {
            this.hisTag = sipRequest.getFrom().getTag();
        // My tag is assigned when sending response
        } else {
            setLocalSequenceNumber(sipRequest.getCSeq().getSeqNumber());
            this.originalLocalSequenceNumber = localSequenceNumber;
            this.myTag = sipRequest.getFrom().getTag();
            if (myTag == null)
                if (sipStack.isLoggingEnabled())
                    sipStack.getStackLogger().logError("The request's From header is missing the required Tag parameter.");
        }
    } else if (transaction.getMethod().equals(firstTransactionMethod) && firstTransactionIsServerTransaction != transaction.isServerTransaction()) {
        // This case occurs when you are processing a re-invite.
        // Switch from client side to server side for re-invite
        // (put the other side on hold).
        storeFirstTransactionInfo(this, transaction);
        this.setLocalParty(sipRequest);
        this.setRemoteParty(sipRequest);
        this.setCallId(sipRequest);
        this.originalRequest = sipRequest;
        this.method = sipRequest.getMethod();
    }
    if (transaction instanceof SIPServerTransaction)
        setRemoteSequenceNumber(sipRequest.getCSeq().getSeqNumber());
    // If this is a server transaction record the remote
    // sequence number to avoid re-processing of requests
    // with the same sequence number directed towards this
    // dialog.
    this.lastTransaction = transaction;
    // transaction.setDialog(this,sipRequest);
    if (sipStack.isLoggingEnabled()) {
        sipStack.getStackLogger().logDebug("Transaction Added " + this + myTag + "/" + hisTag);
        sipStack.getStackLogger().logDebug("TID = " + transaction.getTransactionId() + "/" + transaction.isServerTransaction());
        sipStack.getStackLogger().logStackTrace();
    }
}

Example 28 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPDialog method handleAck.

/**
     * Do the necessary processing to handle an ACK directed at this Dialog.
     * 
     * @param ackTransaction -- the ACK transaction that was directed at this dialog.
     * @return -- true if the ACK was successfully consumed by the Dialog and resulted in the
     *         dialog state being changed.
     */
public boolean handleAck(SIPServerTransaction ackTransaction) {
    SIPRequest sipRequest = ackTransaction.getOriginalRequest();
    if (isAckSeen() && getRemoteSeqNumber() == sipRequest.getCSeq().getSeqNumber()) {
        if (sipStack.isLoggingEnabled()) {
            sipStack.getStackLogger().logDebug("ACK already seen by dialog -- dropping Ack" + " retransmission");
        }
        acquireTimerTaskSem();
        try {
            if (this.timerTask != null) {
                this.timerTask.cancel();
                this.timerTask = null;
            }
        } finally {
            releaseTimerTaskSem();
        }
        return false;
    } else if (this.getState() == DialogState.TERMINATED) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logDebug("Dialog is terminated -- dropping ACK");
        return false;
    } else {
        /*
             * This could be a re-invite processing. check to see if the ack matches with the last
             * transaction. s
             */
        SIPServerTransaction tr = getInviteTransaction();
        SIPResponse sipResponse = (tr != null ? tr.getLastResponse() : null);
        // Idiot check for sending ACK from the wrong side!
        if (tr != null && sipResponse != null && sipResponse.getStatusCode() / 100 == 2 && sipResponse.getCSeq().getMethod().equals(Request.INVITE) && sipResponse.getCSeq().getSeqNumber() == sipRequest.getCSeq().getSeqNumber()) {
            ackTransaction.setDialog(this, sipResponse.getDialogId(false));
            /*
                 * record that we already saw an ACK for this dialog.
                 */
            ackReceived(sipRequest);
            if (sipStack.isLoggingEnabled())
                sipStack.getStackLogger().logDebug("ACK for 2XX response --- sending to TU ");
            return true;
        } else {
            if (sipStack.isLoggingEnabled())
                sipStack.getStackLogger().logDebug(" INVITE transaction not found  -- Discarding ACK");
            return false;
        }
    }
}

Example 29 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class SIPTransactionStack method addTransactionHash.

/**
     * Hash table for quick lookup of transactions. Here we wait for room if needed.
     */
private void addTransactionHash(SIPTransaction sipTransaction) {
    SIPRequest sipRequest = sipTransaction.getOriginalRequest();
    if (sipTransaction instanceof SIPClientTransaction) {
        if (!this.unlimitedClientTransactionTableSize) {
            if (this.activeClientTransactionCount.get() > clientTransactionTableHiwaterMark) {
                try {
                    synchronized (this.clientTransactionTable) {
                        this.clientTransactionTable.wait();
                        this.activeClientTransactionCount.incrementAndGet();
                    }
                } catch (Exception ex) {
                    if (stackLogger.isLoggingEnabled()) {
                        stackLogger.logError("Exception occured while waiting for room", ex);
                    }
                }
            }
        } else {
            this.activeClientTransactionCount.incrementAndGet();
        }
        String key = sipRequest.getTransactionId();
        clientTransactionTable.put(key, (SIPClientTransaction) sipTransaction);
        if (stackLogger.isLoggingEnabled()) {
            stackLogger.logDebug(" putTransactionHash : " + " key = " + key);
        }
    } else {
        String key = sipRequest.getTransactionId();
        if (stackLogger.isLoggingEnabled()) {
            stackLogger.logDebug(" putTransactionHash : " + " key = " + key);
        }
        serverTransactionTable.put(key, (SIPServerTransaction) sipTransaction);
    }
}

Example 30 with SIPRequest

use of gov.nist.javax.sip.message.SIPRequest in project XobotOS by xamarin.

the class UDPMessageChannel method processMessage.

/**
     * Actually proces the parsed message.
     *
     * @param sipMessage
     */
public void processMessage(SIPMessage sipMessage) {
    if (sipMessage instanceof SIPRequest) {
        SIPRequest sipRequest = (SIPRequest) sipMessage;
        // all processing is OK.
        if (sipStack.getStackLogger().isLoggingEnabled(ServerLogger.TRACE_MESSAGES)) {
            this.sipStack.serverLogger.logMessage(sipMessage, this.getPeerHostPort().toString(), this.getHost() + ":" + this.myPort, false, receptionTime);
        }
        ServerRequestInterface sipServerRequest = sipStack.newSIPServerRequest(sipRequest, this);
        // Drop it if there is no request returned
        if (sipServerRequest == null) {
            if (sipStack.isLoggingEnabled()) {
                this.sipStack.getStackLogger().logWarning("Null request interface returned -- dropping request");
            }
            return;
        }
        if (sipStack.isLoggingEnabled())
            this.sipStack.getStackLogger().logDebug("About to process " + sipRequest.getFirstLine() + "/" + sipServerRequest);
        try {
            sipServerRequest.processRequest(sipRequest, this);
        } finally {
            if (sipServerRequest instanceof SIPTransaction) {
                SIPServerTransaction sipServerTx = (SIPServerTransaction) sipServerRequest;
                if (!sipServerTx.passToListener()) {
                    ((SIPTransaction) sipServerRequest).releaseSem();
                }
            }
        }
        if (sipStack.isLoggingEnabled())
            this.sipStack.getStackLogger().logDebug("Done processing " + sipRequest.getFirstLine() + "/" + sipServerRequest);
    // So far so good -- we will commit this message if
    // all processing is OK.
    } else {
        // Handle a SIP Reply message.
        SIPResponse sipResponse = (SIPResponse) sipMessage;
        try {
            sipResponse.checkHeaders();
        } catch (ParseException ex) {
            if (sipStack.isLoggingEnabled())
                sipStack.getStackLogger().logError("Dropping Badly formatted response message >>> " + sipResponse);
            return;
        }
        ServerResponseInterface sipServerResponse = sipStack.newSIPServerResponse(sipResponse, this);
        if (sipServerResponse != null) {
            try {
                if (sipServerResponse instanceof SIPClientTransaction && !((SIPClientTransaction) sipServerResponse).checkFromTag(sipResponse)) {
                    if (sipStack.isLoggingEnabled())
                        sipStack.getStackLogger().logError("Dropping response message with invalid tag >>> " + sipResponse);
                    return;
                }
                sipServerResponse.processResponse(sipResponse, this);
            } finally {
                if (sipServerResponse instanceof SIPTransaction && !((SIPTransaction) sipServerResponse).passToListener())
                    ((SIPTransaction) sipServerResponse).releaseSem();
            }
        // Normal processing of message.
        } else {
            if (sipStack.isLoggingEnabled()) {
                this.sipStack.getStackLogger().logDebug("null sipServerResponse!");
            }
        }
    }
}