/**
* Find a call by callId.
*
* <p>Calls are kept in the activeCalls list and uniquely identified by
* <callId>::<name>@<phoneNumber> for a phone call and
*
* <p>This method searches for a call with the callId.
*/
public static CallHandler findCall(String callId) {
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println(
"findCall: looking for " + callId + ", " + activeCalls.size() + " active calls");
}
synchronized (activeCalls) {
for (int i = 0; i < activeCalls.size(); i++) {
CallHandler call = (CallHandler) activeCalls.elementAt(i);
CallParticipant cp = call.getCallParticipant();
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println("findCall: looking for " + callId + " got " + cp.getCallId());
}
if (match(cp, callId)) {
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println("findCall: found " + callId);
}
return call;
}
}
}
return null;
}
/** Send indication when a dtmf key is pressed */
public void dtmfKeys(String dtmfKeys) {
// if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println(cp + " got dtmf keys " + dtmfKeys + " " + cp.dtmfDetection());
// }
if (isCallEstablished()) {
if (cp.dtmfDetection()) {
member.stopTreatment(null);
CallEvent callEvent = new CallEvent(CallEvent.DTMF_KEY);
callEvent.setDtmfKey(dtmfKeys);
sendCallEventNotification(callEvent);
}
if (otherCall != null) {
Logger.println("Call " + cp + " forwarding dtmf key " + dtmfKeys + " to " + otherCall);
otherCall.getMemberSender().setDtmfKeyToSend(dtmfKeys);
} else {
getMemberSender().setDtmfKeyToSend(dtmfKeys);
}
} else {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println(cp + " Call not established, ignoring dtmf");
}
stopCallAnsweredTreatment();
}
}
/** Done with treatments for call end, now terminate the call */
public void terminateCall() {
if (receivedBye == false) {
if (gotOk == false || (getState() == CallState.INVITED && callAnswered == false)) {
try {
Logger.writeFile("Call " + cp + ": sendCancel");
sipUtil.sendCancel(clientTransaction);
} catch (Exception e) {
Logger.println("sendCancel " + e.getMessage());
}
} else {
/*
* Try sending a BYE as well.
* Seems that when we treat SESSION_PROGRESS
* as OK, sometimes we need to send a CANCEL
* and other times a BYE. We'll send both.
*/
try {
Logger.writeFile("Call " + cp + ": sendBye");
sipUtil.sendBye(clientTransaction);
} catch (Exception e) {
Logger.println("Call " + cp + ": sendBye" + e.getMessage());
}
}
}
}
public String noDataReceived() {
/*
* Create a packet of silence (linear 0)
* The dtmf detector needs to know when a dtmf key
* is released. If a phone stops sending immediately
* after the dtmf key is released, we need to append
* silence so that the dtmf detector will return
* the dtmf key.
*/
int[] silence = new int[mediaInfo.getSamplesPerPacket()];
String dtmfKeys = null;
dtmfKeys = processData(silence);
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println("no data received, done processing dtmf with silence");
if (dtmfKeys != null) {
Logger.println("silence. dtmf " + dtmfKeys);
}
}
return dtmfKeys;
}
private void startSpeaker(AudioFormat format) throws LineUnavailableException {
speaker.open(format, bufferSize);
int actualBufferSize = speaker.getBufferSize();
if (bufferSize != actualBufferSize) {
Logger.println(
"Speaker set buffer to " + bufferSize + " but actual size is " + actualBufferSize);
bufferSize = actualBufferSize;
}
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println(
"Speaker using "
+ getBufferSizeMillis(actualBufferSize)
+ " millisecond buffer "
+ actualBufferSize
+ " bytes");
}
speaker.start();
flush();
// println("speaker started");
}
/*
* Remove call from list of active calls
*/
public void removeCall(CallHandler callHandler) {
synchronized (activeCalls) {
activeCalls.remove(callHandler); // remove call from list
Logger.println("");
Logger.println("calls still in progress: " + activeCalls.size());
Logger.println("");
}
}
public static void main(String[] args) {
if (args.length != 1) {
Logger.println("Usage: java Speaker <input file>");
System.exit(1);
}
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
Speaker speaker = null;
while (true) {
try {
speaker =
new SpeakerJavasoundImpl(
8000, 1, RtpPacket.getDataSize(RtpPacket.PCM_ENCODING, 8000, 1));
} catch (Exception e) {
Logger.println(e.getMessage());
System.exit(1);
}
Logger.logLevel = 5;
try {
TreatmentManager t =
new TreatmentManager(args[0], 0, speaker.getSampleRate(), speaker.getChannels());
while (true) {
byte[] audioData = t.getLinearDataBytes(RtpPacket.PACKET_PERIOD);
if (audioData == null) {
break; // end of file
}
speaker.write(audioData, 0, audioData.length);
}
} catch (IOException e) {
Logger.println(e.getMessage());
}
if (speaker != null) {
speaker.done();
}
Logger.println("Press return to play the file again...");
try {
String line = br.readLine();
if (line.equalsIgnoreCase("quit")) {
break;
}
} catch (IOException ioe) {
break;
}
}
}
public void printStatistics() {
Logger.println(getName() + " " + packetsSent + " packets sent");
if (packetsSent > 0) {
Logger.println(
getName()
+ " average time to send a packet to every member "
+ (totalSendTime / 1000000000. / packetsSent)
+ " seconds ");
}
ticker.printStatistics();
}
public void printStatistics() {
Logger.writeFile(
"Call "
+ memberReceiver.toString()
+ ": "
+ "Dtmf detector calls: "
+ numberOfTimesCalled);
if (numberOfTimesCalled != 0) {
Logger.writeFile(
memberReceiver.toString()
+ ": Dtmf decoder average ms per call: "
+ ((float) ((float) totalDecodeTime / numberOfTimesCalled)));
}
}
public void run() {
while (!done) {
try {
ConferenceMember member = (ConferenceMember) workToDo.remove();
try {
member.sendData();
} catch (Exception e) {
e.printStackTrace();
Logger.println("Can't send data to " + member + " " + e.getMessage());
member.getCallHandler().cancelRequest("Unexpected Exception");
}
} catch (NoSuchElementException e) {
synchronized (this) {
doneSignal.countDown();
if (done) {
break; // done
}
try {
wait();
} catch (InterruptedException ie) {
break;
}
}
}
}
}
/** Mute or unmute the main conference from a particular call. */
public static void setConferenceSilenced(String callId, boolean isSilenced) {
synchronized (activeCalls) {
for (int i = 0; i < activeCalls.size(); i++) {
CallHandler call = (CallHandler) activeCalls.elementAt(i);
CallParticipant cp = call.getCallParticipant();
if (match(cp, callId)) {
if (Logger.logLevel >= Logger.LOG_DETAIL) {
String s = "";
if (isSilenced == false) {
s = "un";
}
Logger.println(cp.getCallId() + ": silenceMainonference " + s + "muted");
}
ConferenceMember member = call.getMember();
if (member != null) {
member.setConferenceSilenced(isSilenced);
}
}
}
}
}
/** Mute or unmute member in a whisperGroup */
public static void setMuteWhisperGroup(String callId, boolean isMuted) {
if (callId == null) {
return;
}
synchronized (activeCalls) {
for (int i = 0; i < activeCalls.size(); i++) {
CallHandler call = (CallHandler) activeCalls.elementAt(i);
CallParticipant cp = call.getCallParticipant();
if (match(cp, callId)) {
if (Logger.logLevel >= Logger.LOG_DETAIL) {
String s = "";
if (isMuted == false) {
s = "un";
}
Logger.println(cp.getCallId() + ": " + s + "muted");
}
MemberReceiver memberReceiver = call.getMemberReceiver();
if (memberReceiver != null) {
memberReceiver.setMuteWhisperGroup(isMuted);
}
}
}
}
}
public DtmfDecoder(MemberReceiver memberReceiver, MediaInfo mediaInfo) {
this.memberReceiver = memberReceiver;
this.mediaInfo = mediaInfo;
decoder = new Decoder();
linearData = new int[mediaInfo.getSamplesPerPacket()];
decoder.setRate(mediaInfo.getSampleRate());
if (mediaInfo.getChannels() != 1) {
/*
* Must convert multi-channel to 1
*/
try {
sampleRateConverter =
new SampleRateConverter(
"DtmfDecoder",
mediaInfo.getSampleRate(),
mediaInfo.getChannels(),
mediaInfo.getSampleRate(),
1);
} catch (IOException e) {
Logger.println("Call " + memberReceiver + " DtmfDecoder: " + e.getMessage());
}
}
}
public synchronized void done() {
if (done) {
return;
}
done = true;
/*
* There seems to be a bug in the Sun Ray audio system
* where close() hangs sometimes if there is still data
* in the speaker buffer. By sleeping for the time
* it would take to empty a full buffer (plus some slop),
* the close() seems to always complete.
*
* XXX
*/
try {
Thread.sleep(getBufferSizeMillis() + RtpPacket.PACKET_PERIOD);
} catch (InterruptedException e) {
}
synchronized (speaker) {
speaker.flush();
speaker.stop();
speaker.close();
}
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Speaker closed");
}
}
public void setVolumeLevel(double volumeLevel) {
this.volumeLevel = volumeLevel;
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Setting Speaker volume to " + volumeLevel);
}
Utils.setPreference(VOLUME_LEVEL, String.valueOf(volumeLevel));
}
private void handleReInvite(Request request, ServerTransaction st) {
Logger.println("Call " + cp + " Re-INVITE\n" + request);
if (request.getRawContent() == null) {
Logger.error("Call " + cp + " no SDP in INVITE Request!");
return;
}
String sdpBody = new String(request.getRawContent());
SdpInfo sdpInfo;
try {
sdpInfo = sipUtil.getSdpInfo(sdpBody);
} catch (ParseException e) {
Logger.error("Call " + cp + " invalid SDP in re-INVITE Request! " + e.getMessage());
return;
}
MediaInfo mediaInfo = sdpInfo.getMediaInfo();
InetSocketAddress isa = new InetSocketAddress(sdpInfo.getRemoteHost(), sdpInfo.getRemotePort());
InetSocketAddress rtcpAddress = sdpInfo.getRtcpAddress();
setEndpointAddress(
isa,
mediaInfo.getPayload(),
sdpInfo.getTransmitMediaInfo().getPayload(),
sdpInfo.getTelephoneEventPayload(),
rtcpAddress);
isa = callHandler.getReceiveAddress();
try {
sipUtil.sendOkWithSdp(request, st, isa, sdpInfo);
} catch (Exception e) {
Logger.println("Call " + cp + " Failed to send ok with sdp for re-invite " + e.getMessage());
return;
}
}
private boolean setupSpeaker(String device) throws LineUnavailableException {
Mixer.Info[] aInfos = AudioSystem.getMixerInfo();
for (int i = 0; i < aInfos.length; i++) {
Mixer.Info mixerInfo = aInfos[i];
if (GetDataLines.equals(device, mixerInfo) == false) {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Skipping: " + mixerInfo.getName() + "," + mixerInfo.getDescription());
}
continue;
}
try {
Mixer mixer = AudioSystem.getMixer(mixerInfo);
Line.Info[] infos = mixer.getSourceLineInfo();
for (int j = 0; j < infos.length; j++) {
Line line = (Line) mixer.getLine(infos[j]);
if (line instanceof SourceDataLine) {
speaker = (SourceDataLine) line;
if (Logger.logLevel >= Logger.LOG_INFO) {
Logger.println("Found speaker: " + j);
}
break;
}
}
} catch (Exception e) {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Exception: " + e.getMessage());
}
}
}
return speaker != null;
}
/**
* Processes SIP requests. The only request being handled is BYE.
*
* @param requestReceivedEvent the event containing the SIP request
*/
public synchronized void processRequest(RequestEvent requestReceivedEvent) {
// obtain request and transaction id
Request request = requestReceivedEvent.getRequest();
ServerTransaction st = requestReceivedEvent.getServerTransaction();
if (request.getMethod().equals(Request.BYE)) {
handleBye(request, st);
} else if (request.getMethod().equals(Request.INVITE)) {
/*
* This is a re-Invite
*/
handleReInvite(request, st);
} else if (request.getMethod().equals(Request.ACK)) {
Logger.println("Call " + cp + " got ACK");
} else {
// no other requests should come in other than BYE, INVITE or ACK
Logger.writeFile("Call " + cp + " ignoring request " + request.getMethod());
}
}
/**
* handles a BYE request
*
* @param request the request
* @param transId the transaction Id
* @throws TransactionDoesNotExistException when the transaction record does not exist.
*/
private void handleBye(Request request, ServerTransaction st) {
try {
CallIdHeader callIdHeader = (CallIdHeader) request.getHeader("Call-Id");
String sipCallId = callIdHeader.getCallId();
if (sipCallId.equals(this.sipCallId)) {
receivedBye = true;
try {
Logger.writeFile("Call " + cp + " has hung up.");
// sipUtil.sendOK(clientTransaction, st, cp);
sipUtil.sendOK(request, st);
} catch (Exception e) {
/*
* We sometimes get a null ServerTransaction
*/
}
cancelRequest("hung up");
sipServerCallback.removeSipListener(sipCallId);
} else {
/*
* this should not happen since the message has been
* delegated to this sip agent.
*/
throw new TransactionDoesNotExistException(
cp + "BYE request received did not " + "match either party: " + request);
}
} catch (TransactionDoesNotExistException e) {
Logger.error("Call " + cp + " Transaction not found " + e.getMessage());
} catch (SipException e) {
Logger.exception("Call " + cp + " SIP Stack error", e);
cancelRequest("handleBye: SIP Stack error " + e.getMessage());
} catch (Exception e) {
Logger.exception("Call " + cp + " Unknown error ", e);
cancelRequest("handleBye: SIP Stack error " + e.getMessage());
}
}
/*
* terminate a call.
*/
public void cancelRequest(String reason) {
if (done) {
return;
}
done = true;
Logger.println(cp + " Cancel request " + reason);
if (csa != null) {
csa.cancelRequest(reason);
}
}
/*
* data starts at RtpPacket.HEADER_SIZE
*/
public String processData(int[] linearData) {
numberOfTimesCalled++;
long start = System.currentTimeMillis();
if (sampleRateConverter != null) {
try {
int nSamples = linearData.length;
linearData = sampleRateConverter.resample(linearData);
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println(
"Resample for Dtmf: nSamples " + nSamples + " new nSamples " + linearData.length);
}
} catch (IOException e) {
Logger.println("Call " + memberReceiver + " DtmfDecoder: " + e.getMessage());
}
}
int keys[] = new int[MAX_KEYS]; // decoded key
int nkeys = decoder.decode(keys, AudioConversion.intsToShorts(linearData), 0);
String dtmfKeys = null;
if (nkeys > 0) {
char[] charKeys = new char[nkeys];
for (int i = 0; i < nkeys; i++) {
charKeys[i] = char_keys[keys[i]];
}
dtmfKeys = new String(charKeys);
}
totalDecodeTime += (System.currentTimeMillis() - start);
return dtmfKeys;
}
private void singleThreadSendDataToMembers(ArrayList memberList) {
for (int i = 0; i < memberList.size(); i++) {
ConferenceMember member = (ConferenceMember) memberList.get(i);
if (!member.getMemberSender().memberIsReadyForSenderData()) {
continue;
}
long start = 0;
if (Logger.logLevel == -33) {
start = System.nanoTime();
}
try {
member.sendData();
} catch (Exception e) {
e.printStackTrace();
Logger.println("Can't send data to " + member + " " + e.getMessage());
member.getCallHandler().cancelRequest("Unexpected Exception");
}
if (Logger.logLevel == -33) {
Logger.println(
"Sender sendDataToOneMember time "
+ member
+ " "
+ ((System.nanoTime() - start) / 1000000000.)
+ " seconds");
Logger.logLevel = 3;
}
}
}
public synchronized int write(byte[] buffer, int offset, int length) {
if (speaker == null) {
return 0;
}
start();
/*
* Break the buffer up into 20 ms chunks, write as much as we can,
* then wait until there's room for more.
*/
int len = length;
int sleepCount = 0;
long start = System.currentTimeMillis();
while (len > 0) {
int writeLength = Math.min(len, chunkSize);
while (!done && available() < chunkSize) {
try {
Thread.sleep(RtpPacket.PACKET_PERIOD);
sleepCount++;
} catch (InterruptedException e) {
}
}
applyVolume(buffer, offset, writeLength);
speaker.write(buffer, offset, writeLength);
offset += writeLength;
len -= writeLength;
}
if (sleepCount > 0) {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
long elapsed = System.currentTimeMillis() - start;
Logger.println("write to speaker slept " + sleepCount + " times, " + elapsed + "ms");
}
}
numWrites++;
return length;
}
/** Find the new call of a call migration. */
public static CallHandler findMigratingCall(String callId) {
synchronized (activeCalls) {
for (int i = 0; i < activeCalls.size(); i++) {
CallHandler call = (CallHandler) activeCalls.elementAt(i);
CallParticipant cp = call.getCallParticipant();
if (match(cp, callId) && cp.migrateCall()) {
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println("findMigratingCall: found " + callId);
}
return call;
}
}
}
return null;
}
public static void setDoNotRecord(String callId, boolean doNotRecord)
throws NoSuchElementException {
CallHandler callHandler = findCall(callId);
if (callHandler == null) {
throw new NoSuchElementException("Invalid callId specified: " + callId);
}
if (Logger.logLevel >= Logger.LOG_DETAIL) {
String s = "";
if (doNotRecord == true) {
s = "NOT";
}
Logger.println(callHandler + ": " + s + " okay to record");
}
callHandler.getMemberReceiver().setDoNotRecord(doNotRecord);
}
/*
* Begin Third-Party Call Control.
*/
public void initiateCall() throws IOException {
try {
try {
busyTreatment = new TreatmentManager("busy.au", 0);
} catch (IOException e) {
Logger.println("Invalid busy treatment: " + e.getMessage());
}
Logger.writeFile("Call " + cp + ": Begin SIP third party call");
setState(CallState.INVITED);
InetSocketAddress isa = callHandler.getReceiveAddress();
if (isa == null) {
throw new IOException("can't get receiver socket!");
}
// send INVITE to the CallParticipant
clientTransaction = sipUtil.sendInvite(cp, isa);
if (clientTransaction == null) {
Logger.error("Error placing call: " + cp);
setState(CallState.ENDED, "Reason='Error placing call'");
throw new IOException("Error placing call: " + cp);
}
CallIdHeader callIdHeader =
(CallIdHeader) clientTransaction.getRequest().getHeader(CallIdHeader.NAME);
sipCallId = callIdHeader.getCallId();
sipServerCallback = SipServer.getSipServerCallback();
sipServerCallback.addSipListener(sipCallId, this);
} catch (java.text.ParseException e) {
Logger.println("Call " + cp + " Error placing call " + cp + ": " + e.getMessage());
setState(CallState.ENDED, "Reason='Error placing call " + cp + " " + e.getMessage() + "'");
throw new IOException("Error placing call " + cp + " " + e.getMessage());
} catch (InvalidArgumentException e) {
Logger.println("Call " + cp + " Error placing call " + cp + ": " + e.getMessage());
setState(CallState.ENDED, "Reason='Error placing call " + cp + " " + e.getMessage() + "'");
throw new IOException("Error placing call " + cp + " " + e.getMessage());
} catch (SipException e) {
Logger.println("Call " + cp + " Error placing call " + cp + ": " + e.getMessage());
setState(CallState.ENDED, "Reason='Error placing call " + cp + " " + e.getMessage() + "'");
throw new IOException("Error placing call " + cp + " " + e.getMessage());
}
}
public TreatmentManager playTreatmentToCall(
String treatment, TreatmentDoneListener treatmentDoneListener) throws IOException {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Playing treatment " + treatment + " to " + cp.getCallId());
}
TreatmentManager treatmentManager =
new TreatmentManager(
treatment,
0,
conferenceManager.getMediaInfo().getSampleRate(),
conferenceManager.getMediaInfo().getChannels());
if (treatmentDoneListener != null) {
treatmentManager.addTreatmentDoneListener(treatmentDoneListener);
}
addTreatment(treatmentManager);
return treatmentManager;
}
/** Set flag to do voice detection while muted */
public static void setVoiceDetectionWhileMuted(String callId, boolean voiceDetectionWhileMuted) {
if (callId == null) {
return;
}
synchronized (activeCalls) {
for (int i = 0; i < activeCalls.size(); i++) {
CallHandler call = (CallHandler) activeCalls.elementAt(i);
CallParticipant cp = call.getCallParticipant();
if (match(cp, callId)) {
cp.setVoiceDetectionWhileMuted(voiceDetectionWhileMuted);
if (Logger.logLevel >= Logger.LOG_DETAIL) {
Logger.println(
cp.getCallId() + " voice detection while muted is " + voiceDetectionWhileMuted);
}
}
}
}
}
public SpeakerJavasoundImpl(int sampleRate, int channels, int bufferSize) throws IOException {
this.sampleRate = sampleRate;
this.channels = channels;
this.bufferSize = bufferSize;
chunkSize = RtpPacket.getDataSize(RtpPacket.PCM_ENCODING, sampleRate, channels);
try {
setupSpeaker();
} catch (LineUnavailableException e) {
throw new IOException(e.getMessage());
}
if (Logger.logLevel >= Logger.LOG_INFO) {
Logger.println("New speaker " + sampleRate + "/" + channels + " bufferSize " + bufferSize);
}
double volumeLevel = Utils.getDoublePreference(VOLUME_LEVEL);
if (volumeLevel != -1D) {
this.volumeLevel = volumeLevel;
}
}
public void processIOException(IOExceptionEvent ioee) {
if (Logger.logLevel >= Logger.LOG_SIP) {
Logger.println("processTransactionTerminated called");
}
}
