/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.lanternpowered.server.network.forge.message.handler.handshake;
import static org.lanternpowered.server.text.translation.TranslationHelper.t;
import io.netty.util.Attribute;
import org.lanternpowered.server.game.Lantern;
import org.lanternpowered.server.network.NetworkContext;
import org.lanternpowered.server.network.forge.handshake.ForgeClientHandshakePhase;
import org.lanternpowered.server.network.forge.handshake.ForgeHandshakePhase;
import org.lanternpowered.server.network.forge.handshake.ForgeServerHandshakePhase;
import org.lanternpowered.server.network.forge.message.type.handshake.MessageForgeHandshakeInOutAck;
import org.lanternpowered.server.network.forge.message.type.handshake.MessageForgeHandshakeOutRegistryData;
import org.lanternpowered.server.network.message.handler.Handler;
import org.lanternpowered.server.network.NetworkSession;
import org.lanternpowered.server.network.protocol.ProtocolState;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public final class HandlerForgeHandshakeInAck implements Handler<MessageForgeHandshakeInOutAck> {
@Override
public void handle(NetworkContext context, MessageForgeHandshakeInOutAck message) {
final NetworkSession session = context.getSession();
final Attribute<ForgeServerHandshakePhase> phase = context.getChannel().attr(ForgeHandshakePhase.PHASE);
switch (phase.get()) {
case WAITING_ACK:
if (!message.getPhase().equals(ForgeClientHandshakePhase.WAITING_SERVER_DATA)) {
session.disconnect(t("Retrieved unexpected forge handshake ack message. (Got %s, expected %s)",
message.getPhase(), ForgeClientHandshakePhase.WAITING_SERVER_DATA));
} else {
List<MessageForgeHandshakeOutRegistryData.Entry> entries = new ArrayList<>();
entries.add(new MessageForgeHandshakeOutRegistryData.Entry("minecraft:items", new HashMap<>(), new ArrayList<>()));
entries.add(new MessageForgeHandshakeOutRegistryData.Entry("minecraft:blocks", new HashMap<>(), new ArrayList<>()));
session.send(new MessageForgeHandshakeOutRegistryData(entries));
session.send(new MessageForgeHandshakeInOutAck(ForgeServerHandshakePhase.WAITING_ACK));
phase.set(ForgeServerHandshakePhase.COMPLETE);
}
Lantern.getLogger().info("{}: Forge handshake -> Received ack (waitingServerData) message.",
session.getGameProfile().getName().get());
break;
case COMPLETE:
if (!message.getPhase().equals(ForgeClientHandshakePhase.WAITING_SERVER_COMPLETE)) {
session.disconnect(t("Retrieved unexpected forge handshake ack message. (Got %s, expected %s)",
message.getPhase(), ForgeClientHandshakePhase.WAITING_SERVER_COMPLETE));
} else {
session.send(new MessageForgeHandshakeInOutAck(ForgeServerHandshakePhase.COMPLETE));
phase.set(ForgeServerHandshakePhase.DONE);
}
Lantern.getLogger().info("{}: Forge handshake -> Received ack (waitingServerComplete) message.",
session.getGameProfile().getName().get());
break;
case DONE:
if (!message.getPhase().equals(ForgeClientHandshakePhase.PENDING_COMPLETE) &&
!message.getPhase().equals(ForgeClientHandshakePhase.COMPLETE)) {
session.disconnect(t("Retrieved unexpected forge handshake ack message. (Got %s, expected %s or %s)",
message.getPhase(), ForgeClientHandshakePhase.PENDING_COMPLETE, ForgeClientHandshakePhase.COMPLETE));
} else {
if (message.getPhase().equals(ForgeClientHandshakePhase.PENDING_COMPLETE)) {
session.send(new MessageForgeHandshakeInOutAck(ForgeServerHandshakePhase.DONE));
Lantern.getLogger().info("{}: Forge handshake -> Received ack (pendingComplete) message.",
session.getGameProfile().getName().get());
} else {
session.setProtocolState(ProtocolState.PLAY);
session.initPlayer();
Lantern.getLogger().info("{}: Forge handshake -> Received ack (complete) message.",
session.getGameProfile().getName().get());
}
}
break;
case ERROR:
break;
default:
session.disconnect(t("Retrieved unexpected forge handshake ack message. (Got %s)", message.getPhase()));
}
}
}