public void handleGameRoomJoin(Player player, Channel channel, ChannelBuffer buffer) {
String refKey = NettyUtils.readString(buffer);
GameRoom gameRoom = lookupService.gameRoomLookup(refKey);
if (null != gameRoom) {
PlayerSession playerSession = gameRoom.createPlayerSession();
playerSession.setConnectParameter(
NettyUtils.NETTY_CHANNEL, channel); // TODO is this required?
gameRoom.onLogin(playerSession);
LOG.trace("Sending GAME_ROOM_JOIN_SUCCESS to channel {}", channel.getId());
ChannelFuture future =
channel.write(NettyUtils.createBufferForOpcode(Events.GAME_ROOM_JOIN_SUCCESS));
connectToGameRoom(gameRoom, playerSession, future);
loginUdp(playerSession, buffer);
} else {
// Write failure and close channel.
ChannelFuture future =
channel.write(NettyUtils.createBufferForOpcode(Events.GAME_ROOM_JOIN_FAILURE));
future.addListener(ChannelFutureListener.CLOSE);
LOG.error(
"Invalid ref key provided by client: {}. Channel {} will be closed",
refKey,
channel.getId());
}
}
public void handleLogin(Player player, Channel channel) {
if (null != player) {
channel.write(NettyUtils.createBufferForOpcode(Events.LOG_IN_SUCCESS));
} else {
// Write future and close channel
closeChannelWithLoginFailure(channel);
}
}
@Override
public void applyProtocol(PlayerSession playerSession) {
LOG.trace("Going to apply protocol on session: {}", playerSession);
ChannelPipeline pipeline = NettyUtils.getPipeLineOfConnection(playerSession);
NettyUtils.clearPipeline(pipeline);
// Upstream handlers or encoders (i.e towards server) are added to
// pipeline now.
pipeline.addLast("lengthDecoder", createLengthBasedFrameDecoder());
pipeline.addLast("messageBufferEventDecoder", messageBufferEventDecoder);
pipeline.addLast("eventHandler", new DefaultToServerHandler(playerSession));
// Downstream handlers - Filter for data which flows from server to
// client. Note that the last handler added is actually the first
// handler for outgoing data.
pipeline.addLast("lengthFieldPrepender", lengthFieldPrepender);
pipeline.addLast("messageBufferEventEncoder", messageBufferEventEncoder);
}
/**
* Helper method which will close the channel after writing {@link Events#LOG_IN_FAILURE} to
* remote connection.
*
* @param channel The tcp connection to remote machine that will be closed.
*/
private void closeChannelWithLoginFailure(Channel channel) {
ChannelFuture future = channel.write(NettyUtils.createBufferForOpcode(Events.LOG_IN_FAILURE));
future.addListener(ChannelFutureListener.CLOSE);
}
/**
* This method adds the player session to the {@link SessionRegistryService}. The key being the
* remote udp address of the client and the session being the value.
*
* @param playerSession
* @param buffer Used to read the remote address of the client which is attempting to connect via
* udp.
*/
protected void loginUdp(PlayerSession playerSession, ChannelBuffer buffer) {
InetSocketAddress remoteAdress = NettyUtils.readSocketAddress(buffer);
if (null != remoteAdress) {
sessionRegistryService.putSession(remoteAdress, playerSession);
}
}