/** Implements notification in order to track socket state. */
@Override
public synchronized void onSctpNotification(SctpSocket socket, SctpNotification notification) {
if (logger.isDebugEnabled()) {
logger.debug("socket=" + socket + "; notification=" + notification);
}
switch (notification.sn_type) {
case SctpNotification.SCTP_ASSOC_CHANGE:
SctpNotification.AssociationChange assocChange =
(SctpNotification.AssociationChange) notification;
switch (assocChange.state) {
case SctpNotification.AssociationChange.SCTP_COMM_UP:
if (!assocIsUp) {
boolean wasReady = isReady();
assocIsUp = true;
if (isReady() && !wasReady) notifySctpConnectionReady();
}
break;
case SctpNotification.AssociationChange.SCTP_COMM_LOST:
case SctpNotification.AssociationChange.SCTP_SHUTDOWN_COMP:
case SctpNotification.AssociationChange.SCTP_CANT_STR_ASSOC:
try {
closeStream();
} catch (IOException e) {
logger.error("Error closing SCTP socket", e);
}
break;
}
break;
}
}
/**
* Makes an <tt>RTCPREMBPacket</tt> that provides receiver feedback to the endpoint from which we
* receive.
*
* @return an <tt>RTCPREMBPacket</tt> that provides receiver feedback to the endpoint from which
* we receive.
*/
private RTCPREMBPacket makeRTCPREMBPacket() {
// TODO we should only make REMBs if REMB support has been advertised.
// Destination
RemoteBitrateEstimator remoteBitrateEstimator =
((VideoMediaStream) getStream()).getRemoteBitrateEstimator();
Collection<Integer> ssrcs = remoteBitrateEstimator.getSsrcs();
// TODO(gp) intersect with SSRCs from signaled simulcast layers
// NOTE(gp) The Google Congestion Control algorithm (sender side)
// doesn't seem to care about the SSRCs in the dest field.
long[] dest = new long[ssrcs.size()];
int i = 0;
for (Integer ssrc : ssrcs) dest[i++] = ssrc & 0xFFFFFFFFL;
// Exp & mantissa
long bitrate = remoteBitrateEstimator.getLatestEstimate();
if (bitrate == -1) return null;
if (logger.isDebugEnabled()) logger.debug("Estimated bitrate: " + bitrate);
// Create and return the packet.
// We use the stream's local source ID (SSRC) as the SSRC of packet
// sender.
long streamSSRC = getLocalSSRC();
return new RTCPREMBPacket(streamSSRC, /* mediaSSRC */ 0L, bitrate, dest);
}
private void handleResquest(String s) {
Logger.info("@ClientMediator.handleResquest id=" + _id + " :s=" + s);
if (s.indexOf("sync") > -1) {
tellClient("sync " + s.split(" ")[1], 0);
} else if (s.indexOf("get-status") > -1) {
Integer[] ts = (Integer[]) tankStateProxy().getTanks();
Logger.debug("ClientMediator.handleResquest: ts.len=" + ts.length);
for (int i = 0; i < ts.length; i++) {
ClientMediator cm =
(ClientMediator) appFacade().retrieveMediator(Const.CLIENT_MEDIATOR + ts[i].intValue());
TankState t = cm.getState();
if (t == null || cm.destroyd) continue;
tellClient(
"create tank "
+ t.tankID
+ " "
+ t.tankName
+ " 0 0 "
+ t.life
+ " 500 "
+ t.x
+ " "
+ t.y
+ " "
+ cm.getTankAngle()
+ " "
+ cm.getGunAngle(),
0);
}
} else if (s.indexOf("born") > -1) {
if (_state == null) Arena.addReq(_id, s, null);
} else if (s.indexOf("move-to") > -1) {
if (_state != null) {
Arena.addReq(_id, s, getState());
}
} else if (s.indexOf("rotate-to") > -1) { // rotate gun
if (_state != null) {
Arena.addReq(_id, s, getState());
}
} else if (s.indexOf("shoot") > -1) {
if (_state != null) {
Arena.addReq(_id, s, getState());
}
} else if (s.indexOf("talk") > -1) {
if (_state != null) s = "talk " + _state.tankName + " say: " + s.substring(5);
this.sendNotification(Const.BROAD_CAST, s, null);
}
}
/**
* Creates an instance of <tt>ShowPreviewDialog</tt>
*
* @param chatPanel The <tt>ChatConversationPanel</tt> that is associated with this dialog.
*/
ShowPreviewDialog(final ChatConversationPanel chatPanel) {
this.chatPanel = chatPanel;
this.setTitle(
GuiActivator.getResources().getI18NString("service.gui.SHOW_PREVIEW_DIALOG_TITLE"));
okButton = new JButton(GuiActivator.getResources().getI18NString("service.gui.OK"));
cancelButton = new JButton(GuiActivator.getResources().getI18NString("service.gui.CANCEL"));
JPanel mainPanel = new TransparentPanel();
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
// mainPanel.setPreferredSize(new Dimension(200, 150));
this.getContentPane().add(mainPanel);
JTextPane descriptionMsg = new JTextPane();
descriptionMsg.setEditable(false);
descriptionMsg.setOpaque(false);
descriptionMsg.setText(
GuiActivator.getResources().getI18NString("service.gui.SHOW_PREVIEW_WARNING_DESCRIPTION"));
Icon warningIcon = null;
try {
warningIcon =
new ImageIcon(
ImageIO.read(
GuiActivator.getResources().getImageURL("service.gui.icons.WARNING_ICON")));
} catch (IOException e) {
logger.debug("failed to load the warning icon");
}
JLabel warningSign = new JLabel(warningIcon);
JPanel warningPanel = new TransparentPanel();
warningPanel.setLayout(new BoxLayout(warningPanel, BoxLayout.X_AXIS));
warningPanel.add(warningSign);
warningPanel.add(Box.createHorizontalStrut(10));
warningPanel.add(descriptionMsg);
enableReplacement =
new JCheckBox(
GuiActivator.getResources()
.getI18NString("plugin.chatconfig.replacement.ENABLE_REPLACEMENT_STATUS"));
enableReplacement.setOpaque(false);
enableReplacement.setSelected(cfg.getBoolean(ReplacementProperty.REPLACEMENT_ENABLE, true));
enableReplacementProposal =
new JCheckBox(
GuiActivator.getResources()
.getI18NString("plugin.chatconfig.replacement.ENABLE_REPLACEMENT_PROPOSAL"));
enableReplacementProposal.setOpaque(false);
JPanel checkBoxPanel = new TransparentPanel();
checkBoxPanel.setLayout(new BoxLayout(checkBoxPanel, BoxLayout.Y_AXIS));
checkBoxPanel.add(enableReplacement);
checkBoxPanel.add(enableReplacementProposal);
JPanel buttonsPanel = new TransparentPanel(new FlowLayout(FlowLayout.CENTER));
buttonsPanel.add(okButton);
buttonsPanel.add(cancelButton);
mainPanel.add(warningPanel);
mainPanel.add(Box.createVerticalStrut(10));
mainPanel.add(checkBoxPanel);
mainPanel.add(buttonsPanel);
okButton.addActionListener(this);
cancelButton.addActionListener(this);
this.setPreferredSize(new Dimension(390, 230));
}
private void runOnDtlsTransport(StreamConnector connector) throws IOException {
DtlsControlImpl dtlsControl = (DtlsControlImpl) getTransportManager().getDtlsControl(this);
DtlsTransformEngine engine = dtlsControl.getTransformEngine();
final DtlsPacketTransformer transformer = (DtlsPacketTransformer) engine.getRTPTransformer();
byte[] receiveBuffer = new byte[SCTP_BUFFER_SIZE];
if (LOG_SCTP_PACKETS) {
System.setProperty(
ConfigurationService.PNAME_SC_HOME_DIR_LOCATION, System.getProperty("java.io.tmpdir"));
System.setProperty(
ConfigurationService.PNAME_SC_HOME_DIR_NAME, SctpConnection.class.getName());
}
synchronized (this) {
// FIXME local SCTP port is hardcoded in bridge offer SDP (Jitsi
// Meet)
sctpSocket = Sctp.createSocket(5000);
assocIsUp = false;
acceptedIncomingConnection = false;
}
// Implement output network link for SCTP stack on DTLS transport
sctpSocket.setLink(
new NetworkLink() {
@Override
public void onConnOut(SctpSocket s, byte[] packet) throws IOException {
if (LOG_SCTP_PACKETS) {
LibJitsi.getPacketLoggingService()
.logPacket(
PacketLoggingService.ProtocolName.ICE4J,
new byte[] {0, 0, 0, (byte) debugId},
5000,
new byte[] {0, 0, 0, (byte) (debugId + 1)},
remoteSctpPort,
PacketLoggingService.TransportName.UDP,
true,
packet);
}
// Send through DTLS transport
transformer.sendApplicationData(packet, 0, packet.length);
}
});
if (logger.isDebugEnabled()) {
logger.debug("Connecting SCTP to port: " + remoteSctpPort + " to " + getEndpoint().getID());
}
sctpSocket.setNotificationListener(this);
sctpSocket.listen();
// FIXME manage threads
threadPool.execute(
new Runnable() {
@Override
public void run() {
SctpSocket sctpSocket = null;
try {
// sctpSocket is set to null on close
sctpSocket = SctpConnection.this.sctpSocket;
while (sctpSocket != null) {
if (sctpSocket.accept()) {
acceptedIncomingConnection = true;
break;
}
Thread.sleep(100);
sctpSocket = SctpConnection.this.sctpSocket;
}
if (isReady()) {
notifySctpConnectionReady();
}
} catch (Exception e) {
logger.error("Error accepting SCTP connection", e);
}
if (sctpSocket == null && logger.isInfoEnabled()) {
logger.info(
"SctpConnection " + getID() + " closed" + " before SctpSocket accept()-ed.");
}
}
});
// Notify that from now on SCTP connection is considered functional
sctpSocket.setDataCallback(this);
// Setup iceSocket
DatagramSocket datagramSocket = connector.getDataSocket();
if (datagramSocket != null) {
this.iceSocket = new IceUdpSocketWrapper(datagramSocket);
} else {
this.iceSocket = new IceTcpSocketWrapper(connector.getDataTCPSocket());
}
DatagramPacket rcvPacket = new DatagramPacket(receiveBuffer, 0, receiveBuffer.length);
// Receive loop, breaks when SCTP socket is closed
try {
do {
iceSocket.receive(rcvPacket);
RawPacket raw =
new RawPacket(rcvPacket.getData(), rcvPacket.getOffset(), rcvPacket.getLength());
raw = transformer.reverseTransform(raw);
// Check for app data
if (raw == null) continue;
if (LOG_SCTP_PACKETS) {
LibJitsi.getPacketLoggingService()
.logPacket(
PacketLoggingService.ProtocolName.ICE4J,
new byte[] {0, 0, 0, (byte) (debugId + 1)},
remoteSctpPort,
new byte[] {0, 0, 0, (byte) debugId},
5000,
PacketLoggingService.TransportName.UDP,
false,
raw.getBuffer(),
raw.getOffset(),
raw.getLength());
}
// Pass network packet to SCTP stack
sctpSocket.onConnIn(raw.getBuffer(), raw.getOffset(), raw.getLength());
} while (true);
} finally {
// Eventually, close the socket although it should happen from
// expire().
synchronized (this) {
assocIsUp = false;
acceptedIncomingConnection = false;
if (sctpSocket != null) {
sctpSocket.close();
sctpSocket = null;
}
}
}
}
/**
* Handles control packet.
*
* @param data raw packet data that arrived on control PPID.
* @param sid SCTP stream id on which the data has arrived.
*/
private synchronized void onCtrlPacket(byte[] data, int sid) throws IOException {
ByteBuffer buffer = ByteBuffer.wrap(data);
int messageType = /* 1 byte unsigned integer */ 0xFF & buffer.get();
if (messageType == MSG_CHANNEL_ACK) {
if (logger.isDebugEnabled()) {
logger.debug(getEndpoint().getID() + " ACK received SID: " + sid);
}
// Open channel ACK
WebRtcDataStream channel = channels.get(sid);
if (channel != null) {
// Ack check prevents from firing multiple notifications
// if we get more than one ACKs (by mistake/bug).
if (!channel.isAcknowledged()) {
channel.ackReceived();
notifyChannelOpened(channel);
} else {
logger.warn("Redundant ACK received for SID: " + sid);
}
} else {
logger.error("No channel exists on sid: " + sid);
}
} else if (messageType == MSG_OPEN_CHANNEL) {
int channelType = /* 1 byte unsigned integer */ 0xFF & buffer.get();
int priority = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
long reliability = /* 4 bytes unsigned integer */ 0xFFFFFFFFL & buffer.getInt();
int labelLength = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
int protocolLength = /* 2 bytes unsigned integer */ 0xFFFF & buffer.getShort();
String label;
String protocol;
if (labelLength == 0) {
label = "";
} else {
byte[] labelBytes = new byte[labelLength];
buffer.get(labelBytes);
label = new String(labelBytes, "UTF-8");
}
if (protocolLength == 0) {
protocol = "";
} else {
byte[] protocolBytes = new byte[protocolLength];
buffer.get(protocolBytes);
protocol = new String(protocolBytes, "UTF-8");
}
if (logger.isDebugEnabled()) {
logger.debug(
"!!! "
+ getEndpoint().getID()
+ " data channel open request on SID: "
+ sid
+ " type: "
+ channelType
+ " prio: "
+ priority
+ " reliab: "
+ reliability
+ " label: "
+ label
+ " proto: "
+ protocol);
}
if (channels.containsKey(sid)) {
logger.error("Channel on sid: " + sid + " already exists");
}
WebRtcDataStream newChannel = new WebRtcDataStream(sctpSocket, sid, label, true);
channels.put(sid, newChannel);
sendOpenChannelAck(sid);
notifyChannelOpened(newChannel);
} else {
logger.error("Unexpected ctrl msg type: " + messageType);
}
}
private void logDebug(String msg) {
if (logger.isDebugEnabled()) {
msg = getSimulcastEngine().getVideoChannel().getEndpoint().getID() + ": " + msg;
logger.debug(msg);
}
}
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "RV_RETURN_VALUE_IGNORED_BAD_PRACTICE")
private void sendInterruptMarker() {
LOG.debug("Sending interrupt marker in order to interrupt feed consumer");
changes.offer(INTERRUPT_MARKER);
}
public void cancel() {
LOG.debug("Feed cancelled");
shouldRun = false;
thread.interrupt();
}
private void handleHeartbeat() {
LOG.debug("Got heartbeat from DB");
}
public void handleNotification(INotification notification) {
// Logger.debug("@ClientMediator.handleNotification:noti="+notification.getBody());
String noname = notification.getName();
if (noname == Const.TICK) {
if (destroyd) return;
long t = TimerCmd.timeStamp;
String[] ary;
int st, ed;
if (_lastRotTank != null) {
ary = _lastRotTank.split(" ");
st = Integer.parseInt(ary[0]);
ed = st + Integer.parseInt(ary[6]);
if (t <= ed && t >= st) {
int ist = Integer.parseInt(ary[0]);
if (_move.size() > 0) {
st = Integer.parseInt(_move.peek().split(" ")[0]);
while (st < ist && _move.size() > 0) {
_move.poll();
if (_move.size() == 0) break;
st = Integer.parseInt(_move.peek().split(" ")[0]);
}
}
}
}
if (_move.size() > 0) {
ary = _move.peek().split(" ");
st = Integer.parseInt(ary[0]);
ed = st + Integer.parseInt(ary[8]);
while ((t > ed) && _move.size() > 0) {
// Logger.debug("@TankMediator.handleNotification: t = " + t + " st = " + st + "
// ed="+ed);
String p = (String) _move.poll();
Logger.debug("ClientMediator.TICK _move.poll=" + p);
if (_move.size() == 0) break;
ary = _move.peek().split(" ");
st = Integer.parseInt(ary[0]);
ed = st + Integer.parseInt(ary[8]);
}
if (_move.size() > 0) {
String[] li = (String[]) _move.toArray(new String[0]);
for (int i = li.length - 1; i >= 0; i--) {
String s = li[i];
ary = s.split(" ");
st = Integer.parseInt(ary[0]);
ed = st + Integer.parseInt(ary[8]);
if (t <= ed && t >= st) {
if (t == st) { // ed==st in this situation
_state.x = (int) Float.parseFloat(ary[4]);
_state.y = (int) Float.parseFloat(ary[5]);
_nextX = _state.x;
_nextY = _state.y;
} else {
float sx = Float.parseFloat(ary[4]);
float ex = Float.parseFloat(ary[6]);
float sy = Float.parseFloat(ary[5]);
float ey = Float.parseFloat(ary[7]);
double eco = 1.0 * (t - st) / (ed - st);
_state.x = (int) (sx + (ex - sx) * eco);
_state.y = (int) (sy + (ey - sy) * eco);
double neco = 1.0 * (t + 1 - st) / (ed - st);
_nextX = (sx + (ex - sx) * neco);
_nextY = (sy + (ey - sy) * neco);
}
while (_move.size() > 1) _move.poll();
break;
}
}
}
}
if (_state != null) {
ConcurrentHashMap<Integer, BulletState> bs =
((ServerBulletMediator) (appFacade().retrieveMediator(Const.SERVER_BULLET_MEDIATOR)))
.getBullets();
for (Enumeration enu = bs.keys(); enu.hasMoreElements(); ) {
int id = (Integer) enu.nextElement();
BulletState blt = bs.get(id);
if (Texter.distance(blt.x, blt.y, _state.x, _state.y) < 16) {
this.sendNotification(Const.BROAD_CAST, "destroy bullet " + id, null);
_state.life -= 100;
if (_state.life <= 0) {
this.sendNotification(Const.BROAD_CAST, "destroy tank " + _state.tankID, null);
} else {
this.sendNotification(
Const.BROAD_CAST, "set-life tank " + _state.tankID + " " + _state.life, null);
}
}
}
}
// barrier and tank
if (_state != null) {
// colision detection
// Logger.only("ClientMediator.handleNotification: x="+_state.x+" y="+_state.y+"
// nx="+_nextX+" ny="+_nextY+" "+Texter.sqrareDis(_nextX, _nextY, 470, 200)+"
// "+Texter.sqrareDis(_state.x, _state.y, 470, 200));
if (!Arena.canGo(_state.x, _state.y, _nextX, _nextY)) {
Arena.addReq(_id, Const.STOP_MOVE, getState());
}
for (Enumeration enu = AcceptCmd.clients.elements(); enu.hasMoreElements(); ) {
ClientMediator cmm = (ClientMediator) enu.nextElement();
if (cmm.destroyd) return;
int cmid = cmm.getID();
if (cmid == _id) continue;
TankState ts = cmm.getState();
if (ts == null) continue;
double curdis = Texter.distance(ts.x, ts.y, _state.x, _state.y);
double netdis = Texter.distance(ts.x, ts.y, _nextX, _nextY);
if (curdis < 40 && netdis < curdis) {
Arena.addReq(_id, Const.STOP_MOVE, getState());
Arena.addReq(cmid, Const.STOP_MOVE, ts);
}
}
}
// handle delayed first
// ary=_delayOrder.toArray(new String[0]);
// _delayOrder.clear();
// for(int i=0;i<ary.length;i++){
// Logger.only("delayArray: "+ary[i]);
// int ttt=Integer.parseInt(ary[i].split(" ")[0]);
// if(ttt==t){
// tellClientWithTime(ary[i]);
// }else if(ttt>t){
// _delayOrder.add(ary[i]);
// }
// }
} else if (noname == Const.BROAD_CAST) {
String s = (String) notification.getBody();
String ary[] = s.split(" ");
if (notification.getType() == Const.NO_PREFIX) {
tellClientWithTime(s);
return;
} else if (s.indexOf("talk") > -1) {
tellClient(s, 0);
return;
}
if (_id == Integer.parseInt(ary[2])) {
if (s.indexOf("rotate-gun") > -1) {
_lastRotateGun = TimerCmd.timeStamp + " " + s;
if (_state != null) _state.gunAngle = Float.parseFloat(_lastRotateGun.split(" ")[5]);
} else if (s.indexOf("move tank") > -1) {
Logger.debug("ClientMediator: move add s=" + s);
int offset = Integer.parseInt(notification.getType());
if (offset == 0) _move.clear();
_move.add((TimerCmd.timeStamp + offset) + " " + s);
} else if (s.indexOf("create tank") > -1) {
_state =
new TankState(
_id,
ary[3],
Integer.parseInt(ary[6]),
(int) Float.parseFloat(ary[8]),
(int) Float.parseFloat(ary[9]),
Float.parseFloat(ary[10]),
Float.parseFloat(ary[11]));
_state.printState();
} else if (s.indexOf("rotate-tank") > -1) {
_lastRotTank = TimerCmd.timeStamp + " " + s;
if (_state != null) _state.tankAngle = Float.parseFloat(_lastRotTank.split(" ")[5]);
} else if (s.indexOf("destroy tank") > -1) {
this.destroyd = true;
}
}
if (notification.getType() != null) tellClient(s, Integer.parseInt(notification.getType()));
else tellClient(s, 0);
}
}
/**
* Enables or disables this <tt>RTPConnectorInputStream</tt>. While the stream is disabled, it
* does not accept any packets.
*
* @param enabled <tt>true</tt> to enable, <tt>false</tt> to disable.
*/
public void setEnabled(boolean enabled) {
if (logger.isDebugEnabled()) logger.debug("setEnabled: " + enabled);
this.enabled = enabled;
}