// send a packet
public int send(DatagramPacket p, Client sender, EmuSocket socket) {
boolean sentSomething = false;
Client receiver = getReceiver(sender);
if (receiver == null) throw new RuntimeException("ERROR: send() called on wrong link");
Vector receiverSockets = receiver.getSockets();
if (!this.isNextPacketDeliverable()) {
return Link.PACKET_LOST;
}
for (Iterator iter = receiverSockets.iterator(); iter.hasNext(); ) {
EmuSocket curSocket = (EmuSocket) iter.next();
if (curSocket.getGroups().contains(p.getAddress())) {
// send the packet to the socket
curSocket.receivePacket(p, this.getDelay());
sentSomething = true;
}
}
if (sentSomething) {
if (Options.flashTime != 0) {
// adjust color of arrow (-> flashing)
if (receiver == this.start) {
// change the color of the link
if (flashThreadStart == null || !flashThreadStart.isAlive()) {
flashThreadStart = new FlashLinkThread(true);
flashThreadStart.start();
} else {
flashThreadStart.reset();
}
} else {
// change the color of the link
if (flashThreadEnd == null || !flashThreadEnd.isAlive()) {
flashThreadEnd = new FlashLinkThread(false);
flashThreadEnd.start();
} else {
flashThreadEnd.reset();
}
}
}
return Link.PACKET_SENT;
} else {
return Link.NO_GROUP_MEMBER;
}
}
