ClientPluginChannels.java
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/*
* This file is part of LiteLoader.
* Copyright (C) 2012-16 Adam Mummery-Smith
* All Rights Reserved.
*/
package com.mumfrey.liteloader.core;
import com.mumfrey.liteloader.PluginChannelListener;
import com.mumfrey.liteloader.api.Listener;
import com.mumfrey.liteloader.core.event.HandlerList;
import com.mumfrey.liteloader.interfaces.FastIterableDeque;
import com.mumfrey.liteloader.permissions.PermissionsManagerClient;
import com.mumfrey.liteloader.util.log.LiteLoaderLogger;
import net.minecraft.network.INetHandler;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.play.server.SPacketCustomPayload;
/**
* Handler for client plugin channels
*
* @author Adam Mummery-Smith
*/
public abstract class ClientPluginChannels extends PluginChannels<PluginChannelListener>
{
private static ClientPluginChannels instance;
protected ClientPluginChannels()
{
if (ClientPluginChannels.instance != null) throw new RuntimeException("Plugin Channels Startup Error",
new InstantiationException("Only a single instance of ClientPluginChannels is allowed"));
ClientPluginChannels.instance = this;
}
@Override
protected FastIterableDeque<PluginChannelListener> createHandlerList()
{
return new HandlerList<PluginChannelListener>(PluginChannelListener.class);
}
protected static ClientPluginChannels getInstance()
{
return ClientPluginChannels.instance;
}
/* (non-Javadoc)
* @see com.mumfrey.liteloader.api.InterfaceProvider#initProvider()
*/
@Override
public void initProvider()
{
}
/* (non-Javadoc)
* @see com.mumfrey.liteloader.api.InterfaceProvider#getListenerBaseType()
*/
@Override
public Class<? extends Listener> getListenerBaseType()
{
return Listener.class;
}
/* (non-Javadoc)
* @see com.mumfrey.liteloader.api.InterfaceProvider
* #registerInterfaces(
* com.mumfrey.liteloader.core.InterfaceRegistrationDelegate)
*/
@Override
public void registerInterfaces(InterfaceRegistrationDelegate delegate)
{
delegate.registerInterface(PluginChannelListener.class);
}
void addClientPluginChannelListener(PluginChannelListener pluginChannelListener)
{
super.addPluginChannelListener(pluginChannelListener);
}
/**
* Callback for the plugin channel hook
*
* @param customPayload
*/
public abstract void onPluginChannelMessage(SPacketCustomPayload customPayload);
/**
* @param channel
* @param data
*/
protected void onPluginChannelMessage(String channel, PacketBuffer data)
{
if (PluginChannels.CHANNEL_REGISTER.equals(channel))
{
this.onRegisterPacketReceived(data);
}
else if (this.pluginChannels.containsKey(channel))
{
try
{
PermissionsManagerClient permissionsManager = LiteLoader.getClientPermissionsManager();
if (permissionsManager != null)
{
permissionsManager.onCustomPayload(channel, data);
}
}
catch (Exception ex) {}
this.onModPacketReceived(channel, data);
}
}
/**
* @param channel
* @param data
*/
protected void onModPacketReceived(String channel, PacketBuffer data)
{
for (PluginChannelListener pluginChannelListener : this.pluginChannels.get(channel))
{
try
{
pluginChannelListener.onCustomPayload(channel, data);
}
catch (Exception ex)
{
int failCount = 1;
if (this.faultingPluginChannelListeners.containsKey(pluginChannelListener))
{
failCount = this.faultingPluginChannelListeners.get(pluginChannelListener).intValue() + 1;
}
if (failCount >= PluginChannels.WARN_FAULT_THRESHOLD)
{
LiteLoaderLogger.warning("Plugin channel listener %s exceeded fault threshold on channel %s with %s",
pluginChannelListener.getName(), channel, ex.getClass().getSimpleName());
this.faultingPluginChannelListeners.remove(pluginChannelListener);
}
else
{
this.faultingPluginChannelListeners.put(pluginChannelListener, Integer.valueOf(failCount));
}
}
}
}
protected void sendRegisteredPluginChannels(INetHandler netHandler)
{
// Add the permissions manager channels
this.addPluginChannelsFor(LiteLoader.getClientPermissionsManager());
try
{
// Enumerate mods for plugin channels
for (PluginChannelListener pluginChannelListener : this.pluginChannelListeners)
{
this.addPluginChannelsFor(pluginChannelListener);
}
PacketBuffer registrationData = this.getRegistrationData();
if (registrationData != null)
{
this.sendRegistrationData(netHandler, registrationData);
}
}
catch (Exception ex)
{
LiteLoaderLogger.warning(ex, "Error dispatching REGISTER packet to server %s", ex.getClass().getSimpleName());
}
}
/**
* @param netHandler
* @param registrationData
*/
protected abstract void sendRegistrationData(INetHandler netHandler, PacketBuffer registrationData);
/**
* Send a message to the server on a plugin channel
*
* @param channel Channel to send, must not be a reserved channel name
* @param data
*/
public static boolean sendMessage(String channel, PacketBuffer data, ChannelPolicy policy)
{
if (ClientPluginChannels.instance != null)
{
return ClientPluginChannels.instance.send(channel, data, policy);
}
return false;
}
/**
* Send a message to the server on a plugin channel
*
* @param channel Channel to send, must not be a reserved channel name
* @param data
*/
protected abstract boolean send(String channel, PacketBuffer data, ChannelPolicy policy);
}