/**
* Creates a TelURL based on given URI string. The scheme or '+' should not be included in the
* phoneNumber string argument.
*
* @param uri - the new string value of the phoneNumber.
* @throws URISyntaxException if the URI string is malformed.
*/
public javax.sip.address.TelURL createTelURL(String uri) throws ParseException {
if (uri == null) throw new NullPointerException("null url");
String telUrl = "tel:" + uri;
try {
StringMsgParser smp = new StringMsgParser();
TelURLImpl timp = (TelURLImpl) smp.parseUrl(telUrl);
return (TelURL) timp;
} catch (ParseException ex) {
throw new ParseException(ex.getMessage(), 0);
}
}
/**
* create a sip uri.
*
* @param uri -- the uri to parse.
*/
public javax.sip.address.SipURI createSipURI(String uri)
// throws java.net.URISyntaxException {
throws ParseException {
if (uri == null) throw new NullPointerException("null URI");
try {
StringMsgParser smp = new StringMsgParser();
SipUri sipUri = smp.parseSIPUrl(uri);
return (SipURI) sipUri;
} catch (ParseException ex) {
// throw new java.net.URISyntaxException(uri, ex.getMessage());
throw new ParseException(ex.getMessage(), 0);
}
}
/**
* Creates an Address with the new address string value. The address string is parsed in order to
* create the new Address instance. Create with a String value of "*" creates a wildcard address.
* The wildcard can be determined if <code>((SipURI)Address.getURI).getUser() == *;</code>.
*
* @param address - the new string value of the address.
* @throws ParseException which signals that an error has been reached unexpectedly while parsing
* the address value.
*/
public javax.sip.address.Address createAddress(String address) throws java.text.ParseException {
if (address == null) throw new NullPointerException("null address");
if (address.equals("*")) {
AddressImpl addressImpl = new AddressImpl();
addressImpl.setAddressType(AddressImpl.WILD_CARD);
SipURI uri = new SipUri();
uri.setUser("*");
addressImpl.setURI(uri);
return addressImpl;
} else {
StringMsgParser smp = new StringMsgParser();
return smp.parseAddress(address);
}
}
/** Run method specified by runnnable. */
public void run() {
// Assume no thread pooling (bug fix by spierhj)
ThreadAuditor.ThreadHandle threadHandle = null;
while (true) {
// Create a new string message parser to parse the list of messages.
if (myParser == null) {
myParser = new StringMsgParser();
myParser.setParseExceptionListener(this);
}
// messages that we write out to him.
DatagramPacket packet;
if (sipStack.threadPoolSize != -1) {
synchronized (((UDPMessageProcessor) messageProcessor).messageQueue) {
while (((UDPMessageProcessor) messageProcessor).messageQueue.isEmpty()) {
// Check to see if we need to exit.
if (!((UDPMessageProcessor) messageProcessor).isRunning) return;
try {
// We're part of a thread pool. Ask the auditor to
// monitor this thread.
if (threadHandle == null) {
threadHandle = sipStack.getThreadAuditor().addCurrentThread();
}
// Send a heartbeat to the thread auditor
threadHandle.ping();
// Wait for packets
// Note: getPingInterval returns 0 (infinite) if the
// thread auditor is disabled.
((UDPMessageProcessor) messageProcessor)
.messageQueue.wait(threadHandle.getPingIntervalInMillisecs());
} catch (InterruptedException ex) {
if (!((UDPMessageProcessor) messageProcessor).isRunning) return;
}
}
packet =
(DatagramPacket) ((UDPMessageProcessor) messageProcessor).messageQueue.removeFirst();
}
this.incomingPacket = packet;
} else {
packet = this.incomingPacket;
}
// Process the packet. Catch and log any exception we may throw.
try {
processIncomingDataPacket(packet);
} catch (Exception e) {
sipStack.logWriter.logError("Error while processing incoming UDP packet", e);
}
if (sipStack.threadPoolSize == -1) {
return;
}
}
}
/**
* Create a SipURI
*
* @param user -- the user
* @param host -- the host.
*/
public javax.sip.address.SipURI createSipURI(String user, String host) throws ParseException {
if (host == null) throw new NullPointerException("null host");
StringBuffer uriString = new StringBuffer("sip:");
if (user != null) {
uriString.append(user);
uriString.append("@");
}
// if host is an IPv6 string we should enclose it in sq brackets
if (host.indexOf(':') != host.lastIndexOf(':') && host.trim().charAt(0) != '[')
host = '[' + host + ']';
uriString.append(host);
StringMsgParser smp = new StringMsgParser();
try {
SipUri sipUri = smp.parseSIPUrl(uriString.toString());
return sipUri;
} catch (ParseException ex) {
throw new ParseException(ex.getMessage(), 0);
}
}
/**
* 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.logWriter.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) {
myParser = null; // let go of the parser reference.
if (sipStack.isLoggingEnabled()) {
this.sipStack.logWriter.logDebug("Rejecting message ! " + new String(msgBytes));
this.sipStack.logWriter.logDebug("error message " + ex.getMessage());
this.sipStack.logWriter.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.getLogWriter().logDebug("Sending automatic 400 Bad Request:");
sipStack.getLogWriter().logDebug(badReqRes);
}
try {
this.sendMessage(badReqRes.getBytes(), peerAddress, packet.getPort(), "UDP", false);
} catch (IOException e) {
this.sipStack.logWriter.logException(e);
}
} else {
if (sipStack.isLoggingEnabled()) {
sipStack.getLogWriter().logDebug("Could not formulate automatic 400 Bad Request");
}
}
}
return;
}
// No parse exception but null message - reject it and
// march on (or return).
// exit this message processor if the message did not parse.
if (sipMessage == null) {
if (sipStack.isLoggingEnabled()) {
this.sipStack.logWriter.logDebug("Rejecting message ! + Null message parsed.");
}
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.logWriter.logError("bad message " + badmsg);
this.sipStack.logWriter.logError(
">>> Dropped Bad Msg "
+ "From = "
+ sipMessage.getFrom()
+ "To = "
+ sipMessage.getTo()
+ "CallId = "
+ sipMessage.getCallId()
+ "CSeq = "
+ sipMessage.getCSeq()
+ "Via = "
+ sipMessage.getViaHeaders());
}
sipStack.logWriter.logError("BAD MESSAGE!");
return;
}
// For a request first via header tells where the message
// is coming from.
// 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);
}