private void syncWindowStateNext() throws EOFException {
AppXrw.logger.info("Enter syncWindowStateNext");
CreateWindowMsgArgs crtMsgArgs = new CreateWindowMsgArgs();
WindowXrw win;
int controllingUserLen;
int desiredZOrder;
float rotY; // Currently ignored
Vector3f userTranslation = new Vector3f();
crtMsgArgs.wid = bufQueue.nextInt();
crtMsgArgs.x = (short) bufQueue.nextInt();
crtMsgArgs.y = (short) bufQueue.nextInt();
crtMsgArgs.wAndBorder = bufQueue.nextInt();
crtMsgArgs.hAndBorder = bufQueue.nextInt();
crtMsgArgs.borderWidth = bufQueue.nextInt();
controllingUserLen = bufQueue.nextInt();
desiredZOrder = bufQueue.nextInt();
rotY = bufQueue.nextFloat(); // Just skipped
userTranslation.x = bufQueue.nextFloat();
userTranslation.y = bufQueue.nextFloat();
userTranslation.z = bufQueue.nextFloat();
AppXrw.logger.info("userTranslation = " + userTranslation);
/* TODO: 0.4 protocol:
int transientFor = bufQueue.nextInt();
AppXrw.logger.info("transientFor = " + transientFor);
*/
// TODO: 0.4 protocol: skip isTransient
int transientFor = bufQueue.nextInt();
int typeOrdinal = bufQueue.nextInt();
Window2D.Type type = Window2D.Type.values()[typeOrdinal];
AppXrw.logger.info("type = " + type);
int parentWid = bufQueue.nextInt();
AppXrw.logger.info("parentWid = " + parentWid);
crtMsgArgs.decorated = (bufQueue.nextByte() == 1) ? true : false;
AppXrw.logger.info("client = " + client);
AppXrw.logger.info("crtMsgArgs = " + crtMsgArgs);
AppXrw.logger.info("desiredZOrder= " + desiredZOrder);
// Make sure window is ready to receive data on creation
win = client.createWindow(crtMsgArgs);
if (win == null) {
AppXrw.logger.warning("Cannot create slave window for " + crtMsgArgs.wid);
return;
}
if (win.getType() != type) {
win.setType(type);
}
// Defer parent assignment until all windows are created
if (parentWid != WindowXrw.INVALID_WID) {
windowParents.put(win, parentWid);
}
win.setDesiredZOrder(desiredZOrder);
CellTransform userTransformCell = new CellTransform(null, null);
userTransformCell.setTranslation(userTranslation);
win.setUserTransformCellLocal(userTransformCell);
boolean show = (bufQueue.nextByte() == 1) ? true : false;
AppXrw.logger.info("show = " + show);
if (controllingUserLen > 0) {
byte[] controllingUserBuf = bufQueue.nextBuffer();
String controllingUser = new String(controllingUserBuf);
AppXrw.logger.info("controlling user = " + controllingUser);
win.setControllingUser(controllingUser);
}
int srcWidth = crtMsgArgs.wAndBorder;
int srcHeight = crtMsgArgs.hAndBorder;
int[] pixels = new int[srcWidth * srcHeight];
for (int y = 0; y < srcHeight; y++) {
int srcLineOffset = y * srcWidth;
for (int x = 0; x < srcWidth; x++) {
pixels[srcLineOffset + x] = bufQueue.nextInt();
}
}
win.displayPixels(0, 0, srcWidth, srcHeight, pixels);
/* TODO: 0.4 protocol:
WindowXrw winTransientFor = client.lookupWindow(transientFor);
win.setVisibleApp(show, winTransientFor);
*/
win.setVisibleApp(show);
}
private void initialHandshake() throws EOFException {
String userName = session.getUserID().getUsername();
int strLen = userName.length();
// Inform the server that we have connected by sending a hello message
// with the name of this user
byte[] helloBuf =
new byte[Proto.ClientMessageType.HELLO.size() + strLen + Proto.SIGNATURE_SIZE];
helloBuf[0] = (byte) Proto.ClientMessageType.HELLO.ordinal();
helloBuf[1] = (byte) 0; // pad
helloBuf[2] = (byte) ((strLen >> 8) & 0xff);
helloBuf[3] = (byte) (strLen & 0xff);
System.arraycopy(userName.getBytes(), 0, helloBuf, 4, strLen);
try {
slaveSocket.send(sign(helloBuf));
} catch (IOException ex) {
throw new RuntimeException(ex);
}
AppXrw.logger.info("Broadcast slave Hello message for user " + userName);
// Get the welcome message from the server. This contains the client id
// Note: because the master hub broadcasts to all slaves, there is a chance
// there might be irrelevant messages queued up for this
// slave. These should be ignored. This come from the fact that it takes
// some time after the slave joins the connection for the master to become
// aware of it and to compose and send the welcome message. During this time
// if there are any incoming messages from the X server they will be
// forwarded to this slave even if it has not yet been officially welcomed.
// Since the content of these messages will be reflected in the welcome message
// and the slave can't really do anything until it is welcomed we need
// to ignore these messages.
ServerMessageType type = null;
do {
type = getMessageType();
} while (type != ServerMessageType.WELCOME);
// TODO: eventually we should add a timeout
// Skip 3 bytes of pad
bufQueue.nextByte();
bufQueue.nextShort();
clientId = bufQueue.nextInt();
client.setClientId(clientId);
windowParents.clear();
// Read the initial window state synchronization
// part of the welcome message
int numWins = bufQueue.nextInt();
AppXrw.logger.info("numWins = " + numWins);
for (int i = 0; i < numWins; i++) {
syncWindowStateNext();
}
// All windows have been defined. Now assign the parents
for (WindowXrw win : windowParents.keySet()) {
Integer parentWid = windowParents.get(win);
if (parentWid != null) {
WindowXrw parentWin = client.lookupWindow(parentWid.intValue());
win.setParent(parentWin);
}
}
windowParents.clear();
client.updateSlaveWindows();
}