Mirrors/Velocity
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Mirror von https://github.com/PaperMC/Velocity.git synchronisiert 2024-12-23 23:00:35 +01:00
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Extra clarity for server/MinecraftConnection naming

Quellcode durchsuchen
Dieser Commit ist enthalten in:
Andrew Steinborn 2018-09-27 02:35:10 -04:00
Ursprung 403fec13d8
Commit 63f22dc2de
5 geänderte Dateien mit 88 neuen und 88 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

70
proxy/src/main/java/com/velocitypowered/proxy/connection/backend/BackendPlaySessionHandler.java
Datei anzeigen

@ -16,38 +16,38 @@ import io.netty.buffer.ByteBuf;
public class BackendPlaySessionHandler implements MinecraftSessionHandler {
private final VelocityServer server;
private final VelocityServerConnection connection;
private final VelocityServerConnection serverConn;
public BackendPlaySessionHandler(VelocityServer server, VelocityServerConnection connection) {
public BackendPlaySessionHandler(VelocityServer server, VelocityServerConnection serverConn) {
this.server = server;
this.connection = connection;
this.serverConn = serverConn;
}
@Override
public void activated() {
server.getEventManager().fireAndForget(new ServerConnectedEvent(connection.getPlayer(), connection.getServer()));
connection.getServer().addPlayer(connection.getPlayer());
server.getEventManager().fireAndForget(new ServerConnectedEvent(serverConn.getPlayer(), serverConn.getServer()));
serverConn.getServer().addPlayer(serverConn.getPlayer());
}
@Override
public void handle(MinecraftPacket packet) {
if (!connection.getPlayer().isActive()) {
if (!serverConn.getPlayer().isActive()) {
// Connection was left open accidentally. Close it so as to avoid "You logged in from another location"
// errors.
connection.disconnect();
serverConn.disconnect();
return;
}
ClientPlaySessionHandler playerHandler =
(ClientPlaySessionHandler) connection.getPlayer().getConnection().getSessionHandler();
(ClientPlaySessionHandler) serverConn.getPlayer().getConnection().getSessionHandler();
if (packet instanceof KeepAlive) {
// Forward onto the player
connection.setLastPingId(((KeepAlive) packet).getRandomId());
connection.getPlayer().getConnection().write(packet);
serverConn.setLastPingId(((KeepAlive) packet).getRandomId());
serverConn.getPlayer().getConnection().write(packet);
} else if (packet instanceof Disconnect) {
Disconnect original = (Disconnect) packet;
connection.disconnect();
connection.getPlayer().handleConnectionException(connection.getServer(), original);
serverConn.disconnect();
serverConn.getPlayer().handleConnectionException(serverConn.getServer(), original);
} else if (packet instanceof JoinGame) {
playerHandler.handleBackendJoinGame((JoinGame) packet);
} else if (packet instanceof BossBar) {
@ -60,7 +60,7 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
playerHandler.getServerBossBars().remove(bossBar.getUuid());
break;
}
connection.getPlayer().getConnection().write(packet);
serverConn.getPlayer().getConnection().write(packet);
} else if (packet instanceof PluginMessage) {
PluginMessage pm = (PluginMessage) packet;
if (!canForwardPluginMessage(pm)) {
@ -68,61 +68,61 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
}
if (PluginMessageUtil.isMCBrand(pm)) {
connection.getPlayer().getConnection().write(PluginMessageUtil.rewriteMCBrand(pm));
serverConn.getPlayer().getConnection().write(PluginMessageUtil.rewriteMCBrand(pm));
return;
}
if (!connection.hasCompletedJoin() && pm.getChannel().equals(VelocityConstants.FORGE_LEGACY_HANDSHAKE_CHANNEL)) {
if (!connection.isLegacyForge()) {
connection.setLegacyForge(true);
if (!serverConn.hasCompletedJoin() && pm.getChannel().equals(VelocityConstants.FORGE_LEGACY_HANDSHAKE_CHANNEL)) {
if (!serverConn.isLegacyForge()) {
serverConn.setLegacyForge(true);
// We must always reset the handshake before a modded connection is established if
// we haven't done so already.
connection.getPlayer().sendLegacyForgeHandshakeResetPacket();
serverConn.getPlayer().sendLegacyForgeHandshakeResetPacket();
}
// Always forward these messages during login
connection.getPlayer().getConnection().write(pm);
serverConn.getPlayer().getConnection().write(pm);
return;
}
ChannelIdentifier id = server.getChannelRegistrar().getFromId(pm.getChannel());
if (id == null) {
connection.getPlayer().getConnection().write(pm);
serverConn.getPlayer().getConnection().write(pm);
} else {
PluginMessageEvent event = new PluginMessageEvent(connection, connection.getPlayer(), id, pm.getData());
PluginMessageEvent event = new PluginMessageEvent(serverConn, serverConn.getPlayer(), id, pm.getData());
server.getEventManager().fire(event)
.thenAcceptAsync(pme -> {
if (pme.getResult().isAllowed()) {
connection.getPlayer().getConnection().write(pm);
serverConn.getPlayer().getConnection().write(pm);
}
}, connection.getMinecraftConnection().getChannel().eventLoop());
}, serverConn.getConnection().getChannel().eventLoop());
}
} else if (packet instanceof TabCompleteResponse) {
playerHandler.handleTabCompleteResponse((TabCompleteResponse) packet);
} else if (connection.hasCompletedJoin()) {
} else if (serverConn.hasCompletedJoin()) {
// Just forward the packet on. We don't have anything to handle at this time.
connection.getPlayer().getConnection().write(packet);
serverConn.getPlayer().getConnection().write(packet);
}
}
@Override
public void handleUnknown(ByteBuf buf) {
if (!connection.getPlayer().isActive()) {
if (!serverConn.getPlayer().isActive()) {
// Connection was left open accidentally. Close it so as to avoid "You logged in from another location"
// errors.
connection.disconnect();
serverConn.disconnect();
return;
}
if (connection.hasCompletedJoin()) {
connection.getPlayer().getConnection().write(buf.retain());
if (serverConn.hasCompletedJoin()) {
serverConn.getPlayer().getConnection().write(buf.retain());
}
}
@Override
public void exception(Throwable throwable) {
connection.getPlayer().handleConnectionException(connection.getServer(), throwable);
serverConn.getPlayer().handleConnectionException(serverConn.getServer(), throwable);
}
public VelocityServer getServer() {
@ -131,18 +131,18 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
@Override
public void disconnected() {
connection.getServer().removePlayer(connection.getPlayer());
if (!connection.isGracefulDisconnect()) {
connection.getPlayer().handleConnectionException(connection.getServer(), Disconnect.create(
serverConn.getServer().removePlayer(serverConn.getPlayer());
if (!serverConn.isGracefulDisconnect()) {
serverConn.getPlayer().handleConnectionException(serverConn.getServer(), Disconnect.create(
ConnectionMessages.UNEXPECTED_DISCONNECT));
}
}
private boolean canForwardPluginMessage(PluginMessage message) {
ClientPlaySessionHandler playerHandler =
(ClientPlaySessionHandler) connection.getPlayer().getConnection().getSessionHandler();
(ClientPlaySessionHandler) serverConn.getPlayer().getConnection().getSessionHandler();
boolean isMCOrFMLMessage;
if (connection.getMinecraftConnection().getProtocolVersion() <= ProtocolConstants.MINECRAFT_1_12_2) {
if (serverConn.getConnection().getProtocolVersion() <= ProtocolConstants.MINECRAFT_1_12_2) {
String channel = message.getChannel();
isMCOrFMLMessage = channel.startsWith("MC|") || channel.startsWith(VelocityConstants.FORGE_LEGACY_HANDSHAKE_CHANNEL);
} else {

38
proxy/src/main/java/com/velocitypowered/proxy/connection/backend/LoginSessionHandler.java
Datei anzeigen

@ -27,12 +27,12 @@ import java.util.concurrent.CompletableFuture;
public class LoginSessionHandler implements MinecraftSessionHandler {
private final VelocityServer server;
private final VelocityServerConnection connection;
private final VelocityServerConnection serverConn;
private boolean informationForwarded;
public LoginSessionHandler(VelocityServer server, VelocityServerConnection connection) {
public LoginSessionHandler(VelocityServer server, VelocityServerConnection serverConn) {
this.server = server;
this.connection = connection;
this.serverConn = serverConn;
}
@Override
@ -48,9 +48,9 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
response.setSuccess(true);
response.setId(message.getId());
response.setData(createForwardingData(configuration.getForwardingSecret(),
connection.getPlayer().getRemoteAddress().getHostString(),
connection.getPlayer().getProfile()));
connection.getMinecraftConnection().write(response);
serverConn.getPlayer().getRemoteAddress().getHostString(),
serverConn.getPlayer().getProfile()));
serverConn.getConnection().write(response);
informationForwarded = true;
} else {
// Don't understand
@ -58,48 +58,48 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
response.setSuccess(false);
response.setId(message.getId());
response.setData(Unpooled.EMPTY_BUFFER);
connection.getMinecraftConnection().write(response);
serverConn.getConnection().write(response);
}
} else if (packet instanceof Disconnect) {
Disconnect disconnect = (Disconnect) packet;
// Do we have an outstanding notification? If so, fulfill it.
doNotify(ConnectionRequestResults.forDisconnect(disconnect));
connection.disconnect();
serverConn.disconnect();
} else if (packet instanceof SetCompression) {
SetCompression sc = (SetCompression) packet;
connection.getMinecraftConnection().setCompressionThreshold(sc.getThreshold());
serverConn.getConnection().setCompressionThreshold(sc.getThreshold());
} else if (packet instanceof ServerLoginSuccess) {
if (server.getConfiguration().getPlayerInfoForwardingMode() == PlayerInfoForwarding.MODERN && !informationForwarded) {
doNotify(ConnectionRequestResults.forDisconnect(
TextComponent.of("Your server did not send a forwarding request to the proxy. Is it set up correctly?")));
connection.disconnect();
serverConn.disconnect();
return;
}
// The player has been logged on to the backend server.
connection.getMinecraftConnection().setState(StateRegistry.PLAY);
VelocityServerConnection existingConnection = connection.getPlayer().getConnectedServer();
serverConn.getConnection().setState(StateRegistry.PLAY);
VelocityServerConnection existingConnection = serverConn.getPlayer().getConnectedServer();
if (existingConnection == null) {
// Strap on the play session handler
connection.getPlayer().getConnection().setSessionHandler(new ClientPlaySessionHandler(server, connection.getPlayer()));
serverConn.getPlayer().getConnection().setSessionHandler(new ClientPlaySessionHandler(server, serverConn.getPlayer()));
} else {
// The previous server connection should become obsolete.
// Before we remove it, if the server we are departing is modded, we must always reset the client state.
if (existingConnection.isLegacyForge()) {
connection.getPlayer().sendLegacyForgeHandshakeResetPacket();
serverConn.getPlayer().sendLegacyForgeHandshakeResetPacket();
}
existingConnection.disconnect();
}
doNotify(ConnectionRequestResults.SUCCESSFUL);
connection.getMinecraftConnection().setSessionHandler(new BackendPlaySessionHandler(server, connection));
connection.getPlayer().setConnectedServer(connection);
serverConn.getConnection().setSessionHandler(new BackendPlaySessionHandler(server, serverConn));
serverConn.getPlayer().setConnectedServer(serverConn);
}
}
@Override
public void exception(Throwable throwable) {
CompletableFuture<ConnectionRequestBuilder.Result> future = connection.getMinecraftConnection().getChannel()
CompletableFuture<ConnectionRequestBuilder.Result> future = serverConn.getConnection().getChannel()
.attr(VelocityServerConnection.CONNECTION_NOTIFIER).getAndSet(null);
if (future != null) {
future.completeExceptionally(throwable);
@ -108,7 +108,7 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
@Override
public void disconnected() {
CompletableFuture<ConnectionRequestBuilder.Result> future = connection.getMinecraftConnection().getChannel()
CompletableFuture<ConnectionRequestBuilder.Result> future = serverConn.getConnection().getChannel()
.attr(VelocityServerConnection.CONNECTION_NOTIFIER).getAndSet(null);
if (future != null) {
future.completeExceptionally(new IOException("Unexpectedly disconnected from remote server"));
@ -116,7 +116,7 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
}
private void doNotify(ConnectionRequestBuilder.Result result) {
CompletableFuture<ConnectionRequestBuilder.Result> future = connection.getMinecraftConnection().getChannel()
CompletableFuture<ConnectionRequestBuilder.Result> future = serverConn.getConnection().getChannel()
.attr(VelocityServerConnection.CONNECTION_NOTIFIER).getAndSet(null);
if (future != null) {
future.complete(result);

28
proxy/src/main/java/com/velocitypowered/proxy/connection/backend/VelocityServerConnection.java
Datei anzeigen

@ -40,7 +40,7 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
private final VelocityRegisteredServer registeredServer;
private final ConnectedPlayer proxyPlayer;
private final VelocityServer server;
private MinecraftConnection minecraftConnection;
private MinecraftConnection connection;
private boolean legacyForge = false;
private boolean hasCompletedJoin = false;
private boolean gracefulDisconnect = false;
@ -78,10 +78,10 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
minecraftConnection = future.channel().pipeline().get(MinecraftConnection.class);
connection = future.channel().pipeline().get(MinecraftConnection.class);
// Kick off the connection process
minecraftConnection.setSessionHandler(new LoginSessionHandler(server, VelocityServerConnection.this));
connection.setSessionHandler(new LoginSessionHandler(server, VelocityServerConnection.this));
startHandshake();
} else {
result.completeExceptionally(future.cause());
@ -116,25 +116,25 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
handshake.setServerAddress(registeredServer.getServerInfo().getAddress().getHostString());
}
handshake.setPort(registeredServer.getServerInfo().getAddress().getPort());
minecraftConnection.write(handshake);
connection.write(handshake);
int protocolVersion = proxyPlayer.getConnection().getProtocolVersion();
minecraftConnection.setProtocolVersion(protocolVersion);
minecraftConnection.setState(StateRegistry.LOGIN);
connection.setProtocolVersion(protocolVersion);
connection.setState(StateRegistry.LOGIN);
ServerLogin login = new ServerLogin();
login.setUsername(proxyPlayer.getUsername());
minecraftConnection.write(login);
connection.write(login);
}
public void writeIfJoined(PluginMessage message) {
if (hasCompletedJoin) {
minecraftConnection.write(message);
connection.write(message);
}
}
public MinecraftConnection getMinecraftConnection() {
return minecraftConnection;
public MinecraftConnection getConnection() {
return connection;
}
@Override
@ -153,9 +153,9 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
}
public void disconnect() {
if (minecraftConnection != null) {
minecraftConnection.close();
minecraftConnection = null;
if (connection != null) {
connection.close();
connection = null;
gracefulDisconnect = true;
}
}
@ -172,7 +172,7 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
PluginMessage message = new PluginMessage();
message.setChannel(identifier.getId());
message.setData(data);
minecraftConnection.write(message);
connection.write(message);
return true;
}

38
proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
Datei anzeigen

@ -69,7 +69,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
return;
}
player.setPing(System.currentTimeMillis() - serverConnection.getLastPingSent());
serverConnection.getMinecraftConnection().write(packet);
serverConnection.getConnection().write(packet);
serverConnection.resetLastPingId();
return;
}
@ -86,7 +86,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
if (msg.startsWith("/")) {
try {
if (!server.getCommandManager().execute(player, msg.substring(1))) {
player.getConnectedServer().getMinecraftConnection().write(chat);
player.getConnectedServer().getConnection().write(chat);
}
} catch (Exception e) {
logger.info("Exception occurred while running command for {}", player.getProfile().getName(), e);
@ -98,11 +98,11 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
server.getEventManager().fire(event)
.thenAcceptAsync(pme -> {
if (pme.getResult().equals(PlayerChatEvent.ChatResult.allowed())){
player.getConnectedServer().getMinecraftConnection().write(chat);
player.getConnectedServer().getConnection().write(chat);
} else if (pme.getResult().isAllowed() && pme.getResult().getMessage().isPresent()){
player.getConnectedServer().getMinecraftConnection().write(Chat.createServerbound(pme.getResult().getMessage().get()));
player.getConnectedServer().getConnection().write(Chat.createServerbound(pme.getResult().getMessage().get()));
}
}, player.getConnectedServer().getMinecraftConnection().getChannel().eventLoop());
}, player.getConnectedServer().getConnection().getChannel().eventLoop());
}
return;
}
@ -110,7 +110,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
if (packet instanceof TabCompleteRequest) {
// Record the request so that the outstanding request can be augmented later.
outstandingTabComplete = (TabCompleteRequest) packet;
serverConnection.getMinecraftConnection().write(packet);
serverConnection.getConnection().write(packet);
}
if (packet instanceof PluginMessage) {
@ -120,7 +120,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
// If we don't want to handle this packet, just forward it on.
if (serverConnection.hasCompletedJoin()) {
serverConnection.getMinecraftConnection().write(packet);
serverConnection.getConnection().write(packet);
}
}
@ -133,7 +133,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
}
if (serverConnection.hasCompletedJoin()) {
serverConnection.getMinecraftConnection().write(buf.retain());
serverConnection.getConnection().write(buf.retain());
}
}
@ -157,7 +157,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
VelocityServerConnection server = player.getConnectedServer();
if (server != null) {
boolean writable = player.getConnection().getChannel().isWritable();
server.getMinecraftConnection().getChannel().config().setAutoRead(writable);
server.getConnection().getChannel().config().setAutoRead(writable);
}
}
@ -215,14 +215,14 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
if (!toRegister.isEmpty()) {
String channel = player.getConnection().getProtocolVersion() >= ProtocolConstants.MINECRAFT_1_13 ?
"minecraft:register" : "REGISTER";
player.getConnectedServer().getMinecraftConnection().delayedWrite(PluginMessageUtil.constructChannelsPacket(
player.getConnectedServer().getConnection().delayedWrite(PluginMessageUtil.constructChannelsPacket(
channel, toRegister));
}
// If we had plugin messages queued during login/FML handshake, send them now.
PluginMessage pm;
while ((pm = loginPluginMessages.poll()) != null) {
player.getConnectedServer().getMinecraftConnection().delayedWrite(pm);
player.getConnectedServer().getConnection().delayedWrite(pm);
}
// Clear any title from the previous server.
@ -230,7 +230,7 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
// Flush everything
player.getConnection().flush();
player.getConnectedServer().getMinecraftConnection().flush();
player.getConnectedServer().getConnection().flush();
player.getConnectedServer().setHasCompletedJoin(true);
if (player.getConnectedServer().isLegacyForge()) {
// We only need to indicate we can send a reset packet if we complete a handshake, that is,
@ -268,18 +268,18 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
if (actuallyRegistered.size() > 0) {
PluginMessage newRegisterPacket = PluginMessageUtil.constructChannelsPacket(packet.getChannel(), actuallyRegistered);
player.getConnectedServer().getMinecraftConnection().write(newRegisterPacket);
player.getConnectedServer().getConnection().write(newRegisterPacket);
}
} else if (PluginMessageUtil.isMCUnregister(packet)) {
List<String> channels = PluginMessageUtil.getChannels(packet);
clientPluginMsgChannels.removeAll(channels);
player.getConnectedServer().getMinecraftConnection().write(packet);
player.getConnectedServer().getConnection().write(packet);
} else if (PluginMessageUtil.isMCBrand(packet)) {
player.getConnectedServer().getMinecraftConnection().write(PluginMessageUtil.rewriteMCBrand(packet));
player.getConnectedServer().getConnection().write(PluginMessageUtil.rewriteMCBrand(packet));
} else if (player.getConnectedServer().isLegacyForge() && !player.getConnectedServer().hasCompletedJoin()) {
if (packet.getChannel().equals(VelocityConstants.FORGE_LEGACY_HANDSHAKE_CHANNEL)) {
// Always forward the FML handshake to the remote server.
player.getConnectedServer().getMinecraftConnection().write(packet);
player.getConnectedServer().getConnection().write(packet);
} else {
// The client is trying to send messages too early. This is primarily caused by mods, but it's further
// aggravated by Velocity. To work around these issues, we will queue any non-FML handshake messages to
@ -289,15 +289,15 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
} else {
ChannelIdentifier id = server.getChannelRegistrar().getFromId(packet.getChannel());
if (id == null) {
player.getConnectedServer().getMinecraftConnection().write(packet);
player.getConnectedServer().getConnection().write(packet);
} else {
PluginMessageEvent event = new PluginMessageEvent(player, player.getConnectedServer(), id, packet.getData());
server.getEventManager().fire(event)
.thenAcceptAsync(pme -> {
if (pme.getResult().isAllowed()) {
player.getConnectedServer().getMinecraftConnection().write(packet);
player.getConnectedServer().getConnection().write(packet);
}
}, player.getConnectedServer().getMinecraftConnection().getChannel().eventLoop());
}, player.getConnectedServer().getConnection().getChannel().eventLoop());
}
}
}

2
proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java
Datei anzeigen

@ -420,7 +420,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
@Override
public void spoofChatInput(String input) {
Preconditions.checkArgument(input.length() <= Chat.MAX_SERVERBOUND_MESSAGE_LENGTH, "input cannot be greater than " + Chat.MAX_SERVERBOUND_MESSAGE_LENGTH + " characters in length");
connectedServer.getMinecraftConnection().write(Chat.createServerbound(input));
connectedServer.getConnection().write(Chat.createServerbound(input));
}
private class ConnectionRequestBuilderImpl implements ConnectionRequestBuilder {