public void start() {
if (isRunning) throw new IllegalStateException("Client is already started.");
// Start up the threads and stuff
if (reliableAdapter != null) {
reliableAdapter.start();
}
if (fastAdapter != null) {
fastAdapter.start();
}
// Send our connection message with a generated ID until
// we get one back from the server. We'll hash time in
// millis and time in nanos.
// This is used to match the TCP and UDP endpoints up on the
// other end since they may take different routes to get there.
// Behind NAT, many game clients may be coming over the same
// IP address from the server's perspective and they may have
// their UDP ports mapped all over the place.
//
// Since currentTimeMillis() is absolute time and nano time
// is roughtly related to system start time, adding these two
// together should be plenty unique for our purposes. It wouldn't
// hurt to reconcile with IP on the server side, though.
long tempId = System.currentTimeMillis() + System.nanoTime();
// Set it true here so we can send some messages.
isRunning = true;
ClientRegistrationMessage reg;
if (reliable != null) {
reg = new ClientRegistrationMessage();
reg.setId(tempId);
reg.setGameName(getGameName());
reg.setVersion(getVersion());
reg.setReliable(true);
send(reg, false);
}
if (fast != null) {
// We create two different ones to prepare for someday
// when there will probably be threaded sending.
reg = new ClientRegistrationMessage();
reg.setId(tempId);
reg.setReliable(false);
send(reg, false);
}
}
