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

Example 1 with SIPRequest

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

the class SipProviderImpl method getNewClientTransaction.

/*
     * (non-Javadoc)
     *
     * @see javax.sip.SipProvider#getNewClientTransaction(javax.sip.message.Request)
     */
public ClientTransaction getNewClientTransaction(Request request) throws TransactionUnavailableException {
    if (request == null)
        throw new NullPointerException("null request");
    if (!sipStack.isAlive())
        throw new TransactionUnavailableException("Stack is stopped");
    SIPRequest sipRequest = (SIPRequest) request;
    if (sipRequest.getTransaction() != null)
        throw new TransactionUnavailableException("Transaction already assigned to request");
    if (sipRequest.getMethod().equals(Request.ACK)) {
        throw new TransactionUnavailableException("Cannot create client transaction for  " + Request.ACK);
    }
    // sloppy
    if (sipRequest.getTopmostVia() == null) {
        ListeningPointImpl lp = (ListeningPointImpl) this.getListeningPoint("udp");
        Via via = lp.getViaHeader();
        request.setHeader(via);
    }
    // Give the request a quick check to see if all headers are assigned.
    try {
        sipRequest.checkHeaders();
    } catch (ParseException ex) {
        throw new TransactionUnavailableException(ex.getMessage(), ex);
    }
    /*
         * User decided to give us his own via header branch. Lets see if it
         * results in a clash. If so reject the request.
         */
    if (sipRequest.getTopmostVia().getBranch() != null && sipRequest.getTopmostVia().getBranch().startsWith(SIPConstants.BRANCH_MAGIC_COOKIE) && sipStack.findTransaction((SIPRequest) request, false) != null) {
        throw new TransactionUnavailableException("Transaction already exists!");
    }
    if (request.getMethod().equalsIgnoreCase(Request.CANCEL)) {
        SIPClientTransaction ct = (SIPClientTransaction) sipStack.findCancelTransaction((SIPRequest) request, false);
        if (ct != null) {
            ClientTransaction retval = sipStack.createClientTransaction((SIPRequest) request, ct.getMessageChannel());
            ((SIPTransaction) retval).addEventListener(this);
            sipStack.addTransaction((SIPClientTransaction) retval);
            if (ct.getDialog() != null) {
                ((SIPClientTransaction) retval).setDialog((SIPDialog) ct.getDialog(), sipRequest.getDialogId(false));
            }
            return retval;
        }
    }
    if (sipStack.isLoggingEnabled())
        sipStack.getStackLogger().logDebug("could not find existing transaction for " + ((SIPRequest) request).getFirstLine() + " creating a new one ");
    // Could not find a dialog or the route is not set in dialog.
    Hop hop = null;
    try {
        hop = sipStack.getNextHop((SIPRequest) request);
        if (hop == null)
            throw new TransactionUnavailableException("Cannot resolve next hop -- transaction unavailable");
    } catch (SipException ex) {
        throw new TransactionUnavailableException("Cannot resolve next hop -- transaction unavailable", ex);
    }
    String transport = hop.getTransport();
    ListeningPointImpl listeningPoint = (ListeningPointImpl) this.getListeningPoint(transport);
    String dialogId = sipRequest.getDialogId(false);
    SIPDialog dialog = sipStack.getDialog(dialogId);
    if (dialog != null && dialog.getState() == DialogState.TERMINATED) {
        // throw new TransactionUnavailableException
        // ("Found a terminated dialog -- possible re-use of old tag
        // parameters");
        sipStack.removeDialog(dialog);
    }
    try {
        // Set the brannch id before you ask for a tx.
        // If the user has set his own branch Id and the
        // branch id starts with a valid prefix, then take it.
        // otherwise, generate one. If branch ID checking has 
        // been requested, set the branch ID.
        String branchId = null;
        if (sipRequest.getTopmostVia().getBranch() == null || !sipRequest.getTopmostVia().getBranch().startsWith(SIPConstants.BRANCH_MAGIC_COOKIE) || sipStack.checkBranchId()) {
            branchId = Utils.getInstance().generateBranchId();
            sipRequest.getTopmostVia().setBranch(branchId);
        }
        Via topmostVia = sipRequest.getTopmostVia();
        //set port and transport if user hasn't already done this.
        if (topmostVia.getTransport() == null)
            topmostVia.setTransport(transport);
        if (topmostVia.getPort() == -1)
            topmostVia.setPort(listeningPoint.getPort());
        branchId = sipRequest.getTopmostVia().getBranch();
        SIPClientTransaction ct = (SIPClientTransaction) sipStack.createMessageChannel(sipRequest, listeningPoint.getMessageProcessor(), hop);
        if (ct == null)
            throw new TransactionUnavailableException("Cound not create tx");
        ct.setNextHop(hop);
        ct.setOriginalRequest(sipRequest);
        ct.setBranch(branchId);
        // if the stack supports dialogs then
        if (sipStack.isDialogCreated(request.getMethod())) {
            // (but noticed by Brad Templeton)
            if (dialog != null)
                ct.setDialog(dialog, sipRequest.getDialogId(false));
            else if (this.isAutomaticDialogSupportEnabled()) {
                SIPDialog sipDialog = sipStack.createDialog(ct);
                ct.setDialog(sipDialog, sipRequest.getDialogId(false));
            }
        } else {
            if (dialog != null) {
                ct.setDialog(dialog, sipRequest.getDialogId(false));
            }
        }
        // The provider is the event listener for all transactions.
        ct.addEventListener(this);
        return (ClientTransaction) ct;
    } catch (IOException ex) {
        throw new TransactionUnavailableException("Could not resolve next hop or listening point unavailable! ", ex);
    } catch (java.text.ParseException ex) {
        InternalErrorHandler.handleException(ex);
        throw new TransactionUnavailableException("Unexpected Exception FIXME! ", ex);
    } catch (InvalidArgumentException ex) {
        InternalErrorHandler.handleException(ex);
        throw new TransactionUnavailableException("Unexpected Exception FIXME! ", ex);
    }
}

Example 2 with SIPRequest

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

the class SipProviderImpl method getNewDialog.

/*
     * (non-Javadoc)
     *
     * @see javax.sip.SipProvider#getNewDialog(javax.sip.Transaction)
     */
public Dialog getNewDialog(Transaction transaction) throws SipException {
    if (transaction == null)
        throw new NullPointerException("Null transaction!");
    if (!sipStack.isAlive())
        throw new SipException("Stack is stopped.");
    if (isAutomaticDialogSupportEnabled())
        throw new SipException(" Error - AUTOMATIC_DIALOG_SUPPORT is on");
    if (!sipStack.isDialogCreated(transaction.getRequest().getMethod()))
        throw new SipException("Dialog cannot be created for this method " + transaction.getRequest().getMethod());
    SIPDialog dialog = null;
    SIPTransaction sipTransaction = (SIPTransaction) transaction;
    if (transaction instanceof ServerTransaction) {
        SIPServerTransaction st = (SIPServerTransaction) transaction;
        Response response = st.getLastResponse();
        if (response != null) {
            if (response.getStatusCode() != 100)
                throw new SipException("Cannot set dialog after response has been sent");
        }
        SIPRequest sipRequest = (SIPRequest) transaction.getRequest();
        String dialogId = sipRequest.getDialogId(true);
        dialog = sipStack.getDialog(dialogId);
        if (dialog == null) {
            dialog = sipStack.createDialog((SIPTransaction) transaction);
            // create and register the dialog and add the inital route set.
            dialog.addTransaction(sipTransaction);
            dialog.addRoute(sipRequest);
            sipTransaction.setDialog(dialog, null);
        } else {
            sipTransaction.setDialog(dialog, sipRequest.getDialogId(true));
        }
        if (sipRequest.getMethod().equals(Request.INVITE) && this.isDialogErrorsAutomaticallyHandled()) {
            sipStack.putInMergeTable(st, sipRequest);
        }
    } else {
        SIPClientTransaction sipClientTx = (SIPClientTransaction) transaction;
        SIPResponse response = sipClientTx.getLastResponse();
        if (response == null) {
            // A response has not yet been received, then set this up as the
            // default dialog.
            SIPRequest request = (SIPRequest) sipClientTx.getRequest();
            String dialogId = request.getDialogId(false);
            dialog = sipStack.getDialog(dialogId);
            if (dialog != null) {
                throw new SipException("Dialog already exists!");
            } else {
                dialog = sipStack.createDialog(sipTransaction);
            }
            sipClientTx.setDialog(dialog, null);
        } else {
            throw new SipException("Cannot call this method after response is received!");
        }
    }
    dialog.addEventListener(this);
    return dialog;
}

Example 3 with SIPRequest

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

the class AuthenticationHelperImpl method setAuthenticationHeaders.

/*
     * (non-Javadoc)
     *
     * @see gov.nist.javax.sip.clientauthutils.AuthenticationHelper#attachAuthenticationHeaders(javax.sip.message.Request)
     */
public void setAuthenticationHeaders(Request request) {
    SIPRequest sipRequest = (SIPRequest) request;
    String callId = sipRequest.getCallId().getCallId();
    request.removeHeader(AuthorizationHeader.NAME);
    Collection<AuthorizationHeader> authHeaders = this.cachedCredentials.getCachedAuthorizationHeaders(callId);
    if (authHeaders == null) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logDebug("Could not find authentication headers for " + callId);
        return;
    }
    for (AuthorizationHeader authHeader : authHeaders) {
        request.addHeader(authHeader);
    }
}

Example 4 with SIPRequest

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

the class ListeningPointImpl method sendHeartbeat.

public void sendHeartbeat(String ipAddress, int port) throws IOException {
    HostPort targetHostPort = new HostPort();
    targetHostPort.setHost(new Host(ipAddress));
    targetHostPort.setPort(port);
    MessageChannel messageChannel = this.messageProcessor.createMessageChannel(targetHostPort);
    SIPRequest siprequest = new SIPRequest();
    siprequest.setNullRequest();
    messageChannel.sendMessage(siprequest);
}

Example 5 with SIPRequest

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

the class SIPTransactionStack method auditTransactions.

/**
     * Audits SIP transactions for leaks
     *
     * @return Audit report, null if no transaction leaks were found
     */
private String auditTransactions(ConcurrentHashMap transactionsMap, long a_nLeakedTransactionTimer) {
    String auditReport = "  Leaked transactions:\n";
    int leakedTransactions = 0;
    long currentTime = System.currentTimeMillis();
    // Make a shallow copy of the transaction list.
    // This copy will remain intact as leaked transactions are removed by
    // the stack.
    LinkedList transactionsList = new LinkedList(transactionsMap.values());
    // Iterate through our copy
    Iterator it = transactionsList.iterator();
    while (it.hasNext()) {
        SIPTransaction sipTransaction = (SIPTransaction) it.next();
        if (sipTransaction != null) {
            if (sipTransaction.auditTag == 0) {
                // First time we see this transaction. Mark it as audited.
                sipTransaction.auditTag = currentTime;
            } else {
                // up.
                if (currentTime - sipTransaction.auditTag >= a_nLeakedTransactionTimer) {
                    // Leaked transaction found
                    leakedTransactions++;
                    // Generate some report
                    TransactionState transactionState = sipTransaction.getState();
                    SIPRequest origRequest = sipTransaction.getOriginalRequest();
                    String origRequestMethod = (origRequest != null ? origRequest.getMethod() : null);
                    String transactionReport = sipTransaction.getClass().getName() + ", state: " + (transactionState != null ? transactionState.toString() : "null") + ", OR: " + (origRequestMethod != null ? origRequestMethod : "null");
                    auditReport += "    " + transactionReport + "\n";
                    // Kill it
                    removeTransaction(sipTransaction);
                    if (isLoggingEnabled())
                        stackLogger.logDebug("auditTransactions: leaked " + transactionReport);
                }
            }
        }
    }
    // Return final report
    if (leakedTransactions > 0) {
        auditReport += "    Total: " + Integer.toString(leakedTransactions) + " leaked transactions detected and removed.\n";
    } else {
        auditReport = null;
    }
    return auditReport;
}