/** Send Clear command to all members in Group */
public void sendClearPanelMsg() {
DrawCommand comm = new DrawCommand(DrawCommand.CLEAR);
try {
byte[] buf = Util.streamableToByteBuffer(comm);
if (use_unicasts) sendToAll(buf);
else channel.send(new Message(null, null, buf));
} catch (Exception ex) {
System.err.println(ex);
}
}
/**
* Send State (content on WhiteBoard) to all members of Group
*
* @param copy
*/
protected void sendOwnState(final Map<Point, Color> copy) {
if (copy == null) return;
for (Point point : copy.keySet()) {
// we don't need the color: it is our draw_color anyway
DrawCommand comm = new DrawCommand(DrawCommand.DRAW, point.x, point.y, drawColor.getRGB());
try {
byte[] buf = Util.streamableToByteBuffer(comm);
if (use_unicasts) sendToAll(buf);
else channel.send(new Message(null, buf));
} catch (Exception ex) {
System.err.println(ex);
}
}
}
public void run() {
Random r = new Random();
while (true) {
Util.sleep(10);
try {
if (transmitting) {
channel.send(new Message(null, null, new TotalPayload(r.nextInt(255))));
} else {
Util.sleep(200);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* Send message to members in members list only.
*
* @param buf
* @throws Exception
*/
private void sendToAll(byte[] buf) throws Exception {
for (Address mbr : members) channel.send(new Message(mbr, buf));
}