public void getData(PositionWindowMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.clientId = bufQueue.nextInt();
msgArgs.wid = bufQueue.nextInt();
msgArgs.x = bufQueue.nextShort();
msgArgs.y = bufQueue.nextShort();
}
public void getData(WindowSetRotateYMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.clientId = bufQueue.nextInt();
msgArgs.wid = bufQueue.nextInt();
int iroty = bufQueue.nextInt();
msgArgs.roty = Float.intBitsToFloat(iroty);
}
public void getData(ControllerStatusMsgArgs msgArgs) throws EOFException {
int status = (int) bufQueue.nextByte();
msgArgs.status = Proto.ControllerStatus.values()[status];
// Skip 2 bytes of pad
bufQueue.nextShort();
msgArgs.clientId = bufQueue.nextInt();
}
public void getData(SetPopupParentMsgArgs msgArgs) throws EOFException {
// Skip 3 bytes of pad
bufQueue.nextByte();
bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
msgArgs.parentWid = bufQueue.nextInt();
}
public void getData(CreateWindowMsgArgs msgArgs) throws EOFException {
msgArgs.decorated = bufQueue.nextByte() != 0;
bufQueue.nextShort(); // Skip 2 bytes of pad
msgArgs.wid = bufQueue.nextInt();
msgArgs.x = bufQueue.nextShort();
msgArgs.y = bufQueue.nextShort();
msgArgs.wAndBorder = bufQueue.nextInt();
msgArgs.hAndBorder = bufQueue.nextInt();
}
// TODO: 0.4 protocol
public void getData(MoveCursorMsgArgs msg) throws EOFException {
// Skip 3 bytes of pad
bufQueue.nextByte();
bufQueue.nextShort();
msg.wid = bufQueue.nextInt();
msg.x = bufQueue.nextInt();
msg.y = bufQueue.nextInt();
}
public void getData(WindowSetUserDisplMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.clientId = bufQueue.nextInt();
msgArgs.wid = bufQueue.nextInt();
int ix = bufQueue.nextInt();
int iy = bufQueue.nextInt();
int iz = bufQueue.nextInt();
msgArgs.userDispl =
new Vector3f(Float.intBitsToFloat(ix), Float.intBitsToFloat(iy), Float.intBitsToFloat(iz));
}
public void getData(ShowWindowMsgArgs msgArgs) throws EOFException {
msgArgs.show = (bufQueue.nextByte() != 0);
// TODO: 0.4 protocol: skip 2 bytes of transient and pad (ignore transient for now)
// TODO: 0.5 protocol: skip 2 bytes of pad
bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
// TODO: 0.5 protocol: not yet
// msgArgs.transientFor = bufQueue.nextInt();
}
public void getData(SetWindowTitleMsgArgs msgArgs) throws EOFException {
// Skip 3 byte of pad
bufQueue.nextByte();
bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
int strLen = bufQueue.nextInt();
byte[] bytes = new byte[strLen];
for (int i = 0; i < strLen; i++) {
bytes[i] = bufQueue.nextByte();
}
msgArgs.title = new String(bytes);
}
public void getData(UserNameMsgArgs msgArgs) throws EOFException {
// Skip 1 byte of pad
bufQueue.nextByte();
int strLen = bufQueue.nextShort();
if (strLen > 0) {
byte[] bytes = new byte[strLen];
for (int i = 0; i < strLen; i++) {
bytes[i] = bufQueue.nextByte();
}
msgArgs.userName = new String(bytes);
} else {
msgArgs.userName = null;
}
controllingUserName = msgArgs.userName;
}
public void cleanup() {
disconnect();
client = null;
scanLineBuf = null;
if (bufQueue != null) {
bufQueue.close();
bufQueue = null;
}
AppXrw.logger.info("ServerProxySlave cleaned up");
}
public Proto.ServerMessageType getMessageType() throws EOFException {
if (bufQueue == null) {
return Proto.ServerMessageType.SERVER_DISCONNECT;
}
try {
int msgCode = (int) bufQueue.nextByte();
AppXrw.logger.info("msgCode = " + msgCode);
return Proto.ServerMessageType.values()[msgCode];
} catch (EOFException ex) {
return Proto.ServerMessageType.SERVER_DISCONNECT;
}
}
public void getData(CopyAreaMsgArgs msgArgs) throws EOFException {
// Skip 3 bytes of pad
bufQueue.nextByte();
bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
msgArgs.srcX = bufQueue.nextInt();
msgArgs.srcY = bufQueue.nextInt();
msgArgs.width = bufQueue.nextInt();
msgArgs.height = bufQueue.nextInt();
msgArgs.dstX = bufQueue.nextInt();
msgArgs.dstY = bufQueue.nextInt();
}
public void getData(ConfigureWindowMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.clientId = bufQueue.nextInt();
msgArgs.wid = bufQueue.nextInt();
msgArgs.x = bufQueue.nextShort();
msgArgs.y = bufQueue.nextShort();
msgArgs.wAndBorder = bufQueue.nextInt();
msgArgs.hAndBorder = bufQueue.nextInt();
msgArgs.sibid = bufQueue.nextInt();
}
public void getData(DisplayPixelsMsgArgs msgArgs) throws EOFException {
int encodingCode = bufQueue.nextByte();
msgArgs.encoding = Proto.PixelEncoding.values()[encodingCode];
msgArgs.x = bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
msgArgs.y = bufQueue.nextShort();
msgArgs.w = bufQueue.nextShort();
msgArgs.h = bufQueue.nextShort();
// Skip 2 bytes of pad
bufQueue.nextShort();
}
// TODO: 0.4 protocol
public void getData(DisplayCursorMsgArgs msg) throws EOFException {
// Skip 3 bytes of pad
bufQueue.nextByte();
bufQueue.nextShort();
msg.width = bufQueue.nextShort();
msg.height = bufQueue.nextShort();
msg.xhot = bufQueue.nextShort();
msg.yhot = bufQueue.nextShort();
int numPixels = msg.width * msg.height;
msg.pixels = new int[numPixels];
for (int i : msg.pixels) {
msg.pixels[i] = bufQueue.nextInt();
}
}
public void readRleChunk(byte[] buf, int len) throws EOFException {
bufQueue.nextBytes(buf, len);
}
public int readRleInt() throws EOFException {
int value = bufQueue.nextInt();
return value;
}
public byte[] readScanLine() throws EOFException {
return bufQueue.nextBuffer();
}
// TODO: 0.4 protocol
public void getData(ShowCursorMsgArgs msg) throws EOFException {
msg.show = (bufQueue.nextByte() == 1) ? true : false;
}
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);
}
public void getData(DestroyWindowMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.wid = bufQueue.nextInt();
}
public void getData(WindowSetDecoratedMsgArgs msgArgs) throws EOFException {
msgArgs.decorated = (bufQueue.nextByte() == 1) ? true : false;
bufQueue.nextShort(); // Skip 2 bytes of pad
msgArgs.wid = bufQueue.nextInt();
}
public void getData(SlaveCloseWindowMsgArgs msgArgs) throws EOFException {
bufQueue.skipBytes(3); // Skip 3 bytes of pad
msgArgs.clientId = bufQueue.nextInt();
msgArgs.wid = bufQueue.nextInt();
}
public void getData(WindowSetBorderWidthMsgArgs msgArgs) throws EOFException {
bufQueue.nextByte(); // Skip 1 byte of pad
msgArgs.borderWidth = bufQueue.nextShort();
msgArgs.wid = bufQueue.nextInt();
}
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();
}
