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Merge pull request #39 from Leymooo/packet-handle

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Fix PacketMapping toString/equals/hashCode, do not handle Chat and Ta…
Dieser Commit ist enthalten in:
Andrew Steinborn 2018-08-19 09:13:01 -04:00 committet von GitHub
Commit 8e836a5066
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GPG-Schlüssel-ID: 4AEE18F83AFDEB23
3 geänderte Dateien mit 106 neuen und 99 gelöschten Zeilen
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1
proxy/src/main/java/com/velocitypowered/proxy/connection/backend/BackendPlaySessionHandler.java
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@ -17,6 +17,7 @@ public class BackendPlaySessionHandler implements MinecraftSessionHandler {
@Override
public void handle(MinecraftPacket packet) {
//Not handleable packets: Chat, TabCompleteResponse, Respawn, Scoreboard*
if (!connection.getProxyPlayer().isActive()) {
// Connection was left open accidentally. Close it so as to avoid "You logged in from another location"
// errors.

196
proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java
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@ -13,6 +13,7 @@ import java.util.function.Supplier;
import static com.velocitypowered.proxy.protocol.ProtocolConstants.*;
public enum StateRegistry {
HANDSHAKE {
{
SERVERBOUND.register(Handshake.class, Handshake::new,
@ -35,99 +36,99 @@ public enum StateRegistry {
PLAY {
{
SERVERBOUND.register(TabCompleteRequest.class, TabCompleteRequest::new,
map(0x14, MINECRAFT_1_8),
map(0x01, MINECRAFT_1_9),
map(0x02, MINECRAFT_1_12),
map(0x01, MINECRAFT_1_12_1),
map(0x05, MINECRAFT_1_13));
map(0x14, MINECRAFT_1_8, false),
map(0x01, MINECRAFT_1_9, false),
map(0x02, MINECRAFT_1_12, false),
map(0x01, MINECRAFT_1_12_1, false),
map(0x05, MINECRAFT_1_13, false));
SERVERBOUND.register(Chat.class, Chat::new,
map(0x01, MINECRAFT_1_8),
map(0x02, MINECRAFT_1_9),
map(0x03, MINECRAFT_1_12),
map(0x02, MINECRAFT_1_12_2),
map(0x02, MINECRAFT_1_13));
map(0x01, MINECRAFT_1_8, false),
map(0x02, MINECRAFT_1_9, false),
map(0x03, MINECRAFT_1_12, false),
map(0x02, MINECRAFT_1_12_2, false),
map(0x02, MINECRAFT_1_13, false));
SERVERBOUND.register(ClientSettings.class, ClientSettings::new,
map(0x15, MINECRAFT_1_8),
map(0x04, MINECRAFT_1_9),
map(0x05, MINECRAFT_1_12),
map(0x04, MINECRAFT_1_12_1),
map(0x04, MINECRAFT_1_13));
map(0x15, MINECRAFT_1_8, false),
map(0x04, MINECRAFT_1_9, false),
map(0x05, MINECRAFT_1_12, false),
map(0x04, MINECRAFT_1_12_1, false),
map(0x04, MINECRAFT_1_13, false));
SERVERBOUND.register(PluginMessage.class, PluginMessage::new,
map(0x17, MINECRAFT_1_8),
map(0x09, MINECRAFT_1_9),
map(0x0A, MINECRAFT_1_12),
map(0x09, MINECRAFT_1_12_1),
map(0x0A, MINECRAFT_1_13));
map(0x17, MINECRAFT_1_8, false),
map(0x09, MINECRAFT_1_9, false),
map(0x0A, MINECRAFT_1_12, false),
map(0x09, MINECRAFT_1_12_1, false),
map(0x0A, MINECRAFT_1_13, false));
SERVERBOUND.register(KeepAlive.class, KeepAlive::new,
map(0x00, MINECRAFT_1_8),
map(0x0B, MINECRAFT_1_9),
map(0x0C, MINECRAFT_1_12),
map(0x0B, MINECRAFT_1_12_1),
map(0x0E, MINECRAFT_1_13));
map(0x00, MINECRAFT_1_8, false),
map(0x0B, MINECRAFT_1_9, false),
map(0x0C, MINECRAFT_1_12, false),
map(0x0B, MINECRAFT_1_12_1, false),
map(0x0E, MINECRAFT_1_13, false));
CLIENTBOUND.register(BossBar.class, BossBar::new,
map(0x0C, MINECRAFT_1_9),
map(0x0C, MINECRAFT_1_12));
map(0x0C, MINECRAFT_1_9, false),
map(0x0C, MINECRAFT_1_12, false));
CLIENTBOUND.register(Chat.class, Chat::new,
map(0x02, MINECRAFT_1_8),
map(0x0F, MINECRAFT_1_9),
map(0x0F, MINECRAFT_1_12),
map(0x0E, MINECRAFT_1_13));
map(0x02, MINECRAFT_1_8, true),
map(0x0F, MINECRAFT_1_9, true),
map(0x0F, MINECRAFT_1_12, true),
map(0x0E, MINECRAFT_1_13, true));
CLIENTBOUND.register(TabCompleteResponse.class, TabCompleteResponse::new,
map(0x3A, MINECRAFT_1_8),
map(0x0E, MINECRAFT_1_9),
map(0x0E, MINECRAFT_1_12),
map(0x10, MINECRAFT_1_13));
map(0x3A, MINECRAFT_1_8, true),
map(0x0E, MINECRAFT_1_9, true),
map(0x0E, MINECRAFT_1_12, true),
map(0x10, MINECRAFT_1_13, true));
CLIENTBOUND.register(PluginMessage.class, PluginMessage::new,
map(0x3F, MINECRAFT_1_8),
map(0x18, MINECRAFT_1_9),
map(0x18, MINECRAFT_1_12),
map(0x19, MINECRAFT_1_13));
map(0x3F, MINECRAFT_1_8, false),
map(0x18, MINECRAFT_1_9, false),
map(0x18, MINECRAFT_1_12, false),
map(0x19, MINECRAFT_1_13, false));
CLIENTBOUND.register(Disconnect.class, Disconnect::new,
map(0x40, MINECRAFT_1_8),
map(0x1A, MINECRAFT_1_9),
map(0x1A, MINECRAFT_1_12),
map(0x1B, MINECRAFT_1_13));
map(0x40, MINECRAFT_1_8, false),
map(0x1A, MINECRAFT_1_9, false),
map(0x1A, MINECRAFT_1_12, false),
map(0x1B, MINECRAFT_1_13, false));
CLIENTBOUND.register(KeepAlive.class, KeepAlive::new,
map(0x00, MINECRAFT_1_8),
map(0x1F, MINECRAFT_1_9),
map(0x1F, MINECRAFT_1_12),
map(0x21, MINECRAFT_1_13));
map(0x00, MINECRAFT_1_8, false),
map(0x1F, MINECRAFT_1_9, false),
map(0x1F, MINECRAFT_1_12, false),
map(0x21, MINECRAFT_1_13, false));
CLIENTBOUND.register(JoinGame.class, JoinGame::new,
map(0x01, MINECRAFT_1_8),
map(0x23, MINECRAFT_1_9),
map(0x23, MINECRAFT_1_12),
map(0x25, MINECRAFT_1_13));
map(0x01, MINECRAFT_1_8, false),
map(0x23, MINECRAFT_1_9, false),
map(0x23, MINECRAFT_1_12, false),
map(0x25, MINECRAFT_1_13, false));
CLIENTBOUND.register(Respawn.class, Respawn::new,
map(0x07, MINECRAFT_1_8, false),
map(0x33, MINECRAFT_1_9, false),
map(0x34, MINECRAFT_1_12, false),
map(0x35, MINECRAFT_1_12_2, false),
map(0x38, MINECRAFT_1_13, false));
map(0x07, MINECRAFT_1_8, true),
map(0x33, MINECRAFT_1_9, true),
map(0x34, MINECRAFT_1_12, true),
map(0x35, MINECRAFT_1_12_2, true),
map(0x38, MINECRAFT_1_13, true));
CLIENTBOUND.register(ScoreboardDisplay.class, ScoreboardDisplay::new,
map(0x3D, MINECRAFT_1_8, false),
map(0x38, MINECRAFT_1_9, false),
map(0x3A, MINECRAFT_1_12, false),
map(0x3B, MINECRAFT_1_12_1, false),
map(0x3E, MINECRAFT_1_13, false));
map(0x3D, MINECRAFT_1_8, true),
map(0x38, MINECRAFT_1_9, true),
map(0x3A, MINECRAFT_1_12, true),
map(0x3B, MINECRAFT_1_12_1, true),
map(0x3E, MINECRAFT_1_13, true));
CLIENTBOUND.register(ScoreboardObjective.class, ScoreboardObjective::new,
map(0x3B, MINECRAFT_1_8, false),
map(0x3F, MINECRAFT_1_9, false),
map(0x41, MINECRAFT_1_12, false),
map(0x42, MINECRAFT_1_12_1, false),
map(0x45, MINECRAFT_1_13, false));
map(0x3B, MINECRAFT_1_8, true),
map(0x3F, MINECRAFT_1_9, true),
map(0x41, MINECRAFT_1_12, true),
map(0x42, MINECRAFT_1_12_1, true),
map(0x45, MINECRAFT_1_13, true));
CLIENTBOUND.register(ScoreboardTeam.class, ScoreboardTeam::new,
map(0x3E, MINECRAFT_1_8, false),
map(0x41, MINECRAFT_1_9, false),
map(0x43, MINECRAFT_1_12, false),
map(0x44, MINECRAFT_1_12_1, false),
map(0x47, MINECRAFT_1_13, false));
map(0x3E, MINECRAFT_1_8, true),
map(0x41, MINECRAFT_1_9, true),
map(0x43, MINECRAFT_1_12, true),
map(0x44, MINECRAFT_1_12_1, true),
map(0x47, MINECRAFT_1_13, true));
CLIENTBOUND.register(ScoreboardSetScore.class, ScoreboardSetScore::new,
map(0x3C, MINECRAFT_1_8, false),
map(0x42, MINECRAFT_1_9, false),
map(0x44, MINECRAFT_1_12, false),
map(0x45, MINECRAFT_1_12_1, false),
map(0x48, MINECRAFT_1_13, false));
map(0x3C, MINECRAFT_1_8, true),
map(0x42, MINECRAFT_1_9, true),
map(0x44, MINECRAFT_1_12, true),
map(0x45, MINECRAFT_1_12_1, true),
map(0x48, MINECRAFT_1_13, true));
}
},
LOGIN {
@ -137,7 +138,7 @@ public enum StateRegistry {
SERVERBOUND.register(EncryptionResponse.class, EncryptionResponse::new,
genericMappings(0x01));
SERVERBOUND.register(LoginPluginResponse.class, LoginPluginResponse::new,
map(0x02, MINECRAFT_1_13));
map(0x02, MINECRAFT_1_13, false));
CLIENTBOUND.register(Disconnect.class, Disconnect::new,
genericMappings(0x00));
@ -148,7 +149,7 @@ public enum StateRegistry {
CLIENTBOUND.register(SetCompression.class, SetCompression::new,
genericMappings(0x03));
CLIENTBOUND.register(LoginPluginMessage.class, LoginPluginMessage::new,
map(0x04, MINECRAFT_1_13));
map(0x04, MINECRAFT_1_13, false));
}
};
@ -199,7 +200,7 @@ public enum StateRegistry {
if (version == null) {
throw new IllegalArgumentException("Unknown protocol version " + mapping.protocolVersion);
}
if (mapping.needPacketDecode) {
if (!mapping.encodeOnly) {
version.packetIdToSupplier.put(mapping.id, packetSupplier);
}
version.packetClassToId.put(clazz, mapping.id);
@ -212,7 +213,7 @@ public enum StateRegistry {
for (PacketMapping m : mappings) {
if (linkedVersion == m.protocolVersion) continue links;
}
register(clazz, packetSupplier, map(mapping.id, linkedVersion, mapping.needPacketDecode));
register(clazz, packetSupplier, map(mapping.id, linkedVersion, mapping.encodeOnly));
}
}
}
@ -260,12 +261,12 @@ public enum StateRegistry {
public static class PacketMapping {
private final int id;
private final int protocolVersion;
private final boolean needPacketDecode;
private final boolean encodeOnly;
public PacketMapping(int id, int protocolVersion, boolean needPacketDecode) {
public PacketMapping(int id, int protocolVersion, boolean packetDecoding) {
this.id = id;
this.protocolVersion = protocolVersion;
this.needPacketDecode = needPacketDecode;
this.encodeOnly = packetDecoding;
}
@Override
@ -273,6 +274,7 @@ public enum StateRegistry {
return "PacketMapping{" +
"id=" + id +
", protocolVersion=" + protocolVersion +
", encodeOnly=" + encodeOnly +
'}';
}
@ -282,29 +284,33 @@ public enum StateRegistry {
if (o == null || getClass() != o.getClass()) return false;
PacketMapping that = (PacketMapping) o;
return id == that.id &&
protocolVersion == that.protocolVersion;
protocolVersion == that.protocolVersion &&
encodeOnly == that.encodeOnly;
}
@Override
public int hashCode() {
return Objects.hash(id, protocolVersion);
return Objects.hash(id, protocolVersion, encodeOnly);
}
}
private static PacketMapping map(int id, int version, boolean handleFromBackend) {
return new PacketMapping(id, version, handleFromBackend);
}
private static PacketMapping map(int id, int version) {
return map(id, version, true);
/**
* Creates a PacketMapping using the provided arguments
* @param id Packet Id
* @param version Protocol version
* @param encodeOnly When true packet decoding will be disabled
* @return PacketMapping with the provided arguments
*/
private static PacketMapping map(int id, int version, boolean encodeOnly) {
return new PacketMapping(id, version, encodeOnly);
}
private static PacketMapping[] genericMappings(int id) {
return new PacketMapping[]{
map(id, MINECRAFT_1_8),
map(id, MINECRAFT_1_9),
map(id, MINECRAFT_1_12),
map(id, MINECRAFT_1_13)
map(id, MINECRAFT_1_8, false),
map(id, MINECRAFT_1_9, false),
map(id, MINECRAFT_1_12, false),
map(id, MINECRAFT_1_13, false)
};
}
}

6
proxy/src/test/java/com/velocitypowered/proxy/protocol/PacketRegistryTest.java
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@ -11,7 +11,7 @@ import static org.junit.jupiter.api.Assertions.*;
class PacketRegistryTest {
private StateRegistry.PacketRegistry setupRegistry() {
StateRegistry.PacketRegistry registry = new StateRegistry.PacketRegistry(ProtocolConstants.Direction.CLIENTBOUND, StateRegistry.HANDSHAKE);
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, true));
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, false));
return registry;
}
@ -44,8 +44,8 @@ class PacketRegistryTest {
@Test
void registrySuppliesCorrectPacketsByProtocol() {
StateRegistry.PacketRegistry registry = new StateRegistry.PacketRegistry(ProtocolConstants.Direction.CLIENTBOUND, StateRegistry.HANDSHAKE);
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, true),
new StateRegistry.PacketMapping(0x01, MINECRAFT_1_12_1, true));
registry.register(Handshake.class, Handshake::new, new StateRegistry.PacketMapping(0x00, MINECRAFT_1_12, false),
new StateRegistry.PacketMapping(0x01, MINECRAFT_1_12_1, false));
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12).createPacket(0x00).getClass());
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12_1).createPacket(0x01).getClass());
assertEquals(Handshake.class, registry.getVersion(MINECRAFT_1_12_2).createPacket(0x01).getClass());