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

Example 6 with SIPRequest

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

the class UDPMessageChannel method processIncomingDataPacket.

/**
     * Process an incoming datagram
     *
     * @param packet
     *            is the incoming datagram packet.
     */
private void processIncomingDataPacket(DatagramPacket packet) throws Exception {
    this.peerAddress = packet.getAddress();
    int packetLength = packet.getLength();
    // Read bytes and put it in a eueue.
    byte[] bytes = packet.getData();
    byte[] msgBytes = new byte[packetLength];
    System.arraycopy(bytes, 0, msgBytes, 0, packetLength);
    // Do debug logging.
    if (sipStack.isLoggingEnabled()) {
        this.sipStack.getStackLogger().logDebug("UDPMessageChannel: processIncomingDataPacket : peerAddress = " + peerAddress.getHostAddress() + "/" + packet.getPort() + " Length = " + packetLength);
    }
    SIPMessage sipMessage = null;
    try {
        this.receptionTime = System.currentTimeMillis();
        sipMessage = myParser.parseSIPMessage(msgBytes);
        myParser = null;
    } catch (ParseException ex) {
        // let go of the parser reference.
        myParser = null;
        if (sipStack.isLoggingEnabled()) {
            this.sipStack.getStackLogger().logDebug("Rejecting message !  " + new String(msgBytes));
            this.sipStack.getStackLogger().logDebug("error message " + ex.getMessage());
            this.sipStack.getStackLogger().logException(ex);
        }
        // JvB: send a 400 response for requests (except ACK)
        // Currently only UDP, @todo also other transports
        String msgString = new String(msgBytes, 0, packetLength);
        if (!msgString.startsWith("SIP/") && !msgString.startsWith("ACK ")) {
            String badReqRes = createBadReqRes(msgString, ex);
            if (badReqRes != null) {
                if (sipStack.isLoggingEnabled()) {
                    sipStack.getStackLogger().logDebug("Sending automatic 400 Bad Request:");
                    sipStack.getStackLogger().logDebug(badReqRes);
                }
                try {
                    this.sendMessage(badReqRes.getBytes(), peerAddress, packet.getPort(), "UDP", false);
                } catch (IOException e) {
                    this.sipStack.getStackLogger().logException(e);
                }
            } else {
                if (sipStack.isLoggingEnabled()) {
                    sipStack.getStackLogger().logDebug("Could not formulate automatic 400 Bad Request");
                }
            }
        }
        return;
    }
    if (sipMessage == null) {
        if (sipStack.isLoggingEnabled()) {
            this.sipStack.getStackLogger().logDebug("Rejecting message !  + Null message parsed.");
        }
        if (pingBackRecord.get(packet.getAddress().getHostAddress() + ":" + packet.getPort()) == null) {
            byte[] retval = "\r\n\r\n".getBytes();
            DatagramPacket keepalive = new DatagramPacket(retval, 0, retval.length, packet.getAddress(), packet.getPort());
            ((UDPMessageProcessor) this.messageProcessor).sock.send(keepalive);
            this.sipStack.getTimer().schedule(new PingBackTimerTask(packet.getAddress().getHostAddress(), packet.getPort()), 1000);
        }
        return;
    }
    ViaList viaList = sipMessage.getViaHeaders();
    // Check for the required headers.
    if (sipMessage.getFrom() == null || sipMessage.getTo() == null || sipMessage.getCallId() == null || sipMessage.getCSeq() == null || sipMessage.getViaHeaders() == null) {
        String badmsg = new String(msgBytes);
        if (sipStack.isLoggingEnabled()) {
            this.sipStack.getStackLogger().logError("bad message " + badmsg);
            this.sipStack.getStackLogger().logError(">>> Dropped Bad Msg " + "From = " + sipMessage.getFrom() + "To = " + sipMessage.getTo() + "CallId = " + sipMessage.getCallId() + "CSeq = " + sipMessage.getCSeq() + "Via = " + sipMessage.getViaHeaders());
        }
        return;
    }
    // For response, just get the port from the packet.
    if (sipMessage instanceof SIPRequest) {
        Via v = (Via) viaList.getFirst();
        Hop hop = sipStack.addressResolver.resolveAddress(v.getHop());
        this.peerPort = hop.getPort();
        this.peerProtocol = v.getTransport();
        this.peerPacketSourceAddress = packet.getAddress();
        this.peerPacketSourcePort = packet.getPort();
        try {
            this.peerAddress = packet.getAddress();
            // Check to see if the received parameter matches
            // the peer address and tag it appropriately.
            boolean hasRPort = v.hasParameter(Via.RPORT);
            if (hasRPort || !hop.getHost().equals(this.peerAddress.getHostAddress())) {
                v.setParameter(Via.RECEIVED, this.peerAddress.getHostAddress());
            }
            if (hasRPort) {
                v.setParameter(Via.RPORT, Integer.toString(this.peerPacketSourcePort));
            }
        } catch (java.text.ParseException ex1) {
            InternalErrorHandler.handleException(ex1);
        }
    } else {
        this.peerPacketSourceAddress = packet.getAddress();
        this.peerPacketSourcePort = packet.getPort();
        this.peerAddress = packet.getAddress();
        this.peerPort = packet.getPort();
        this.peerProtocol = ((Via) viaList.getFirst()).getTransport();
    }
    this.processMessage(sipMessage);
}

Example 7 with SIPRequest

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

the class UDPMessageChannel method sendMessage.

/**
     * Return a reply from a pre-constructed reply. This sends the message back
     * to the entity who caused us to create this channel in the first place.
     *
     * @param sipMessage
     *            Message string to send.
     * @throws IOException
     *             If there is a problem with sending the message.
     */
public void sendMessage(SIPMessage sipMessage) throws IOException {
    if (sipStack.isLoggingEnabled() && this.sipStack.isLogStackTraceOnMessageSend()) {
        if (sipMessage instanceof SIPRequest && ((SIPRequest) sipMessage).getRequestLine() != null) {
            /*
                 * We dont want to log empty trace messages.
                 */
            this.sipStack.getStackLogger().logStackTrace(StackLogger.TRACE_INFO);
        } else {
            this.sipStack.getStackLogger().logStackTrace(StackLogger.TRACE_INFO);
        }
    }
    // Test and see where we are going to send the messsage. If the message
    // is sent back to oursleves, just
    // shortcircuit processing.
    long time = System.currentTimeMillis();
    try {
        for (MessageProcessor messageProcessor : sipStack.getMessageProcessors()) {
            if (messageProcessor.getIpAddress().equals(this.peerAddress) && messageProcessor.getPort() == this.peerPort && messageProcessor.getTransport().equals(this.peerProtocol)) {
                MessageChannel messageChannel = messageProcessor.createMessageChannel(this.peerAddress, this.peerPort);
                if (messageChannel instanceof RawMessageChannel) {
                    ((RawMessageChannel) messageChannel).processMessage(sipMessage);
                    if (sipStack.isLoggingEnabled())
                        sipStack.getStackLogger().logDebug("Self routing message");
                    return;
                }
            }
        }
        byte[] msg = sipMessage.encodeAsBytes(this.getTransport());
        sendMessage(msg, peerAddress, peerPort, peerProtocol, sipMessage instanceof SIPRequest);
    } catch (IOException ex) {
        throw ex;
    } catch (Exception ex) {
        sipStack.getStackLogger().logError("An exception occured while sending message", ex);
        throw new IOException("An exception occured while sending message");
    } finally {
        if (sipStack.getStackLogger().isLoggingEnabled(ServerLogger.TRACE_MESSAGES) && !sipMessage.isNullRequest())
            logMessage(sipMessage, peerAddress, peerPort, time);
        else if (sipStack.getStackLogger().isLoggingEnabled(ServerLogger.TRACE_DEBUG))
            sipStack.getStackLogger().logDebug("Sent EMPTY Message");
    }
}

Example 8 with SIPRequest

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

the class SIPTransactionStack method removeTransactionHash.

/**
     * Remove the transaction from transaction hash.
     */
protected void removeTransactionHash(SIPTransaction sipTransaction) {
    SIPRequest sipRequest = sipTransaction.getOriginalRequest();
    if (sipRequest == null)
        return;
    if (sipTransaction instanceof SIPClientTransaction) {
        String key = sipTransaction.getTransactionId();
        if (stackLogger.isLoggingEnabled()) {
            stackLogger.logStackTrace();
            stackLogger.logDebug("removing client Tx : " + key);
        }
        clientTransactionTable.remove(key);
    } else if (sipTransaction instanceof SIPServerTransaction) {
        String key = sipTransaction.getTransactionId();
        serverTransactionTable.remove(key);
        if (stackLogger.isLoggingEnabled()) {
            stackLogger.logDebug("removing server Tx : " + key);
        }
    }
}

Example 9 with SIPRequest

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

the class SIPDialog method storeFirstTransactionInfo.

private static void storeFirstTransactionInfo(SIPDialog dialog, SIPTransaction transaction) {
    dialog.firstTransaction = transaction;
    dialog.firstTransactionSeen = true;
    dialog.firstTransactionIsServerTransaction = transaction.isServerTransaction();
    dialog.firstTransactionSecure = transaction.getRequest().getRequestURI().getScheme().equalsIgnoreCase("sips");
    dialog.firstTransactionPort = transaction.getPort();
    dialog.firstTransactionId = transaction.getBranchId();
    dialog.firstTransactionMethod = transaction.getMethod();
    if (dialog.isServer()) {
        SIPServerTransaction st = (SIPServerTransaction) transaction;
        SIPResponse response = st.getLastResponse();
        dialog.contactHeader = response != null ? response.getContactHeader() : null;
    } else {
        SIPClientTransaction ct = (SIPClientTransaction) transaction;
        if (ct != null) {
            SIPRequest sipRequest = ct.getOriginalRequest();
            dialog.contactHeader = sipRequest.getContactHeader();
        }
    }
}

Example 10 with SIPRequest

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

the class SIPDialog method createFromNOTIFY.

/**
     * Creates a new dialog based on a received NOTIFY. The dialog state is initialized
     * appropriately. The NOTIFY differs in the From tag
     * 
     * Made this a separate method to clearly distinguish what's happening here - this is a
     * non-trivial case
     * 
     * @param subscribeTx - the transaction started with the SUBSCRIBE that we sent
     * @param notifyST - the ServerTransaction created for an incoming NOTIFY
     * @return -- a new dialog created from the subscribe original SUBSCRIBE transaction.
     * 
     * 
     */
public static SIPDialog createFromNOTIFY(SIPClientTransaction subscribeTx, SIPTransaction notifyST) {
    SIPDialog d = new SIPDialog(notifyST);
    //
    // The above sets d.firstTransaction to NOTIFY (ST), correct that
    //
    d.serverTransactionFlag = false;
    // they share this one
    d.lastTransaction = subscribeTx;
    storeFirstTransactionInfo(d, subscribeTx);
    d.terminateOnBye = false;
    d.localSequenceNumber = subscribeTx.getCSeq();
    SIPRequest not = (SIPRequest) notifyST.getRequest();
    d.remoteSequenceNumber = not.getCSeq().getSeqNumber();
    d.setDialogId(not.getDialogId(true));
    d.setLocalTag(not.getToTag());
    d.setRemoteTag(not.getFromTag());
    // to properly create the Dialog object.
    // If not the stack will throw an exception when creating the response.
    d.setLastResponse(subscribeTx, subscribeTx.getLastResponse());
    // Dont use setLocal / setRemote here, they make other assumptions
    d.localParty = not.getTo().getAddress();
    d.remoteParty = not.getFrom().getAddress();
    // initialize d's route set based on the NOTIFY. Any proxies must have
    // Record-Routed
    d.addRoute(not);
    // set state, *after* setting route set!
    d.setState(CONFIRMED_STATE);
    return d;
}