Package net.fabricmc.fabric.api.networking.v1

Class ServerLoginNetworking

java.lang.Object

net.fabricmc.fabric.api.networking.v1.ServerLoginNetworking

public final class ServerLoginNetworking
extends Object

Offers access to login stage server-side networking functionalities.

Server-side networking functionalities include receiving serverbound query responses and sending clientbound query requests.

See Also:

• ServerPlayNetworking

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ServerLoginNetworking.LoginQueryResponseHandler
static interface	ServerLoginNetworking.LoginSynchronizer	Allows blocking client log-in until all futures passed into ServerLoginNetworking.LoginSynchronizer.waitFor(Future) are completed.

Method Summary

Modifier and Type	Method	Description
static Set<Identifier>	getGlobalReceivers()	Gets all channel names which global receivers are registered for.
static MinecraftServer	getServer(ServerLoginNetworkHandler handler)	Returns the Minecraft Server of a server login network handler.
static boolean	registerGlobalReceiver(Identifier channelName, ServerLoginNetworking.LoginQueryResponseHandler channelHandler)	Registers a handler to a query response channel.
static boolean	registerReceiver(ServerLoginNetworkHandler networkHandler, Identifier channelName, ServerLoginNetworking.LoginQueryResponseHandler responseHandler)	Registers a handler to a query response channel.
static ServerLoginNetworking.LoginQueryResponseHandler	unregisterGlobalReceiver(Identifier channelName)	Removes the handler of a query response channel.
static ServerLoginNetworking.LoginQueryResponseHandler	unregisterReceiver(ServerLoginNetworkHandler networkHandler, Identifier channelName)	Removes the handler of a query response channel.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

registerGlobalReceiver

public static boolean registerGlobalReceiver(Identifier channelName,
 ServerLoginNetworking.LoginQueryResponseHandler channelHandler)

Registers a handler to a query response channel. A global receiver is registered to all connections, in the present and future.

If a handler is already registered to the channel, this method will return false, and no change will be made. Use unregisterGlobalReceiver(Identifier) to unregister the existing handler.

Parameters:

channelName - the id of the channel

channelHandler - the handler

Returns:

false if a handler is already registered to the channel

See Also:

• unregisterGlobalReceiver(Identifier)
• registerReceiver(ServerLoginNetworkHandler, Identifier, LoginQueryResponseHandler)

unregisterGlobalReceiver

@Nullable
public static ServerLoginNetworking.LoginQueryResponseHandler unregisterGlobalReceiver(Identifier channelName)

Removes the handler of a query response channel. A global receiver is registered to all connections, in the present and future.

The channel is guaranteed not to have a handler after this call.

Parameters:

channelName - the id of the channel

Returns:

the previous handler, or null if no handler was bound to the channel

See Also:

• registerGlobalReceiver(Identifier, LoginQueryResponseHandler)
• unregisterReceiver(ServerLoginNetworkHandler, Identifier)

getGlobalReceivers

public static Set<Identifier> getGlobalReceivers()

Gets all channel names which global receivers are registered for. A global receiver is registered to all connections, in the present and future.

Returns:

all channel names which global receivers are registered for.

registerReceiver

public static boolean registerReceiver(ServerLoginNetworkHandler networkHandler,
 Identifier channelName,
 ServerLoginNetworking.LoginQueryResponseHandler responseHandler)

Registers a handler to a query response channel.

If a handler is already registered to the channelName, this method will return false, and no change will be made. Use unregisterReceiver(ServerLoginNetworkHandler, Identifier) to unregister the existing handler.

Parameters:

networkHandler - the handler

channelName - the id of the channel

responseHandler - the handler

Returns:

false if a handler is already registered to the channel name

unregisterReceiver

@Nullable
public static ServerLoginNetworking.LoginQueryResponseHandler unregisterReceiver(ServerLoginNetworkHandler networkHandler,
 Identifier channelName)

Removes the handler of a query response channel.

The channelName is guaranteed not to have a handler after this call.

Parameters:

channelName - the id of the channel

Returns:

the previous handler, or null if no handler was bound to the channel name

getServer

public static MinecraftServer getServer(ServerLoginNetworkHandler handler)

Returns the Minecraft Server of a server login network handler.

Parameters:

handler - the server login network handler