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refactoring

This commit is contained in:
2021-06-17 15:06:10 +03:00
parent e7b5120661
commit e7f7b9654e
38 changed files with 252 additions and 961 deletions

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@@ -1,9 +0,0 @@
apply from: rootDir.toPath().resolve('logic.gradle').toFile()
dependencies {
implementation libs.netty
implementation libs.json
implementation libs.objpool
testImplementation libs.lang3
}

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@@ -1,2 +0,0 @@
# suppress inspection "UnusedProperty" for whole file
module.name=protocol

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@@ -1,85 +0,0 @@
package mc.protocol;
import io.netty.channel.ChannelHandlerContext;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;
import lombok.experimental.Accessors;
import mc.protocol.api.ConnectionContext;
import mc.protocol.packets.ServerSidePacket;
import mc.protocol.pool.Passivable;
import java.util.Map;
import java.util.Optional;
@EqualsAndHashCode
public class NettyConnectionContext implements ConnectionContext, Passivable {
@Accessors(chain = true)
@Setter
private ChannelHandlerContext ctx;
/**
* @deprecated костыль
*/
@Deprecated
@Getter
@Setter
private boolean usedContext;
@Override
public State getState() {
return ctx.channel().attr(NetworkAttributes.STATE).get();
}
@Override
public void setState(State state) {
ctx.channel().attr(NetworkAttributes.STATE).set(state);
}
/**
* @deprecated костыль
*/
@Deprecated
@Override
public <T> void setCustomProperty(String key, T value) {
Map<String, Object> map = ctx.channel().attr(NetworkAttributes.CUSTOM_PROPERTIES).get();
map.put(key, value);
}
/**
* @deprecated костыль
*/
@Deprecated
@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> getCustomProperty(String key, Class<T> classResult) {
Map<String, Object> map = ctx.channel().attr(NetworkAttributes.CUSTOM_PROPERTIES).get();
return (Optional<T>) Optional.ofNullable(map.getOrDefault(key, null));
}
@Override
public void send(ServerSidePacket packet) {
ctx.write(packet);
}
@Override
public void sendNow(ServerSidePacket packet) {
ctx.writeAndFlush(packet);
}
@Override
public void flushSending() {
ctx.flush();
}
@Override
public void disconnect() {
ctx.disconnect();
}
@Override
public void passivate() {
this.ctx = null;
}
}

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@@ -1,103 +0,0 @@
package mc.protocol;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import mc.protocol.api.ConnectionContext;
import mc.protocol.api.Server;
import mc.protocol.event.EventBus;
import mc.protocol.io.codec.ProtocolDecoder;
import mc.protocol.io.codec.ProtocolEncoder;
import mc.protocol.io.codec.ProtocolSplitter;
import mc.protocol.packets.ClientSidePacket;
import javax.annotation.Nonnull;
import javax.inject.Provider;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Consumer;
@Slf4j
@RequiredArgsConstructor
public class NettyServer implements Server {
private final Provider<ProtocolDecoder> protocolDecoderProvider;
private final Provider<PacketInboundHandler> packetInboundHandlerProvider;
private final EventBus eventBus;
private Consumer<ConnectionContext> consumerNewConnection;
private Consumer<ConnectionContext> consumerDisconnect;
@Override
public void bind(String host, int port) {
log.info("Network starting: {}:{}", host, port);
try {
createServerBootstrap().bind(host, port).sync().channel().closeFuture().sync();
} catch (InterruptedException e) {
if (log.isTraceEnabled()) {
log.trace("{}: {}", e.getClass().getSimpleName(), e.getMessage(), e);
}
}
}
@Override
public void onNewConnect(Consumer<ConnectionContext> consumer) {
this.consumerNewConnection = consumer;
}
@Override
public void onDisonnect(Consumer<ConnectionContext> consumer) {
this.consumerDisconnect = consumer;
}
@Override
@SuppressWarnings("java:S2326") // Сонар, ты бредишь
public <P extends ClientSidePacket> void listenPacket(State state, Class<P> packetClass, EventBus.EventHandler<P> eventHandler) {
this.eventBus.subscribe(state, packetClass, eventHandler);
}
private ServerBootstrap createServerBootstrap() {
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap.group(new NioEventLoopGroup(1), new NioEventLoopGroup())
.channel(NioServerSocketChannel.class)
.childHandler(createChannelChannelInitializer());
return bootstrap;
}
private ChannelInitializer<SocketChannel> createChannelChannelInitializer() {
return new ChannelInitializer<>() {
@Override
protected void initChannel(@Nonnull SocketChannel socketChannel) {
ChannelPipeline pipeline = socketChannel.pipeline();
createChannelHandlerMap().forEach(pipeline::addLast);
}
};
}
private Map<String, ChannelHandler> createChannelHandlerMap() {
Map<String, ChannelHandler> map = new LinkedHashMap<>();
map.put("packet_splitter", new ProtocolSplitter());
map.put("logger", new LoggingHandler(LogLevel.DEBUG));
ProtocolDecoder protocolDecoder = protocolDecoderProvider.get();
protocolDecoder.setConsumerNewConnection(consumerNewConnection);
protocolDecoder.setConsumerDisconnect(consumerDisconnect);
map.put("packet_decoder", protocolDecoder);
map.put("packet_encoder", new ProtocolEncoder());
map.put("packet_handler", packetInboundHandlerProvider.get());
return map;
}
}

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@@ -1,42 +0,0 @@
package mc.protocol.api;
import mc.protocol.State;
import mc.protocol.packets.ServerSidePacket;
import java.util.Optional;
public interface ConnectionContext {
/**
* @deprecated костыль
*/
@Deprecated
void setUsedContext(boolean value);
/**
* @deprecated костыль
*/
@Deprecated
boolean isUsedContext();
State getState();
void setState(State state);
/**
* @deprecated костыль
*/
@Deprecated
<T> void setCustomProperty(String key, T value);
/**
* @deprecated костыль
*/
@Deprecated
<T> Optional<T> getCustomProperty(String key, Class<T> classResult);
void send(ServerSidePacket packet);
void sendNow(ServerSidePacket packet);
void flushSending();
void disconnect();
}

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@@ -1,18 +0,0 @@
package mc.protocol.api;
import mc.protocol.State;
import mc.protocol.packets.ClientSidePacket;
import mc.protocol.event.EventBus;
import java.util.function.Consumer;
public interface Server {
void bind(String host, int port);
void onNewConnect(Consumer<ConnectionContext> consumer);
void onDisonnect(Consumer<ConnectionContext> consumer);
@SuppressWarnings("java:S2326") // Сонар, ты бредишь
<P extends ClientSidePacket> void listenPacket(State state, Class<P> packetClass, EventBus.EventHandler<P> eventHandler);
}

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@@ -1,42 +0,0 @@
package mc.protocol.di;
import dagger.Module;
import dagger.Provides;
import mc.protocol.NettyConnectionContext;
import mc.protocol.State;
import mc.protocol.packets.ClientSidePacket;
import mc.protocol.packets.UnknownPacket;
import mc.protocol.pool.NettyConnectionContextFactory;
import mc.protocol.pool.PacketFactory;
import mc.protocol.pool.PacketPool;
import org.apache.commons.pool2.ObjectPool;
import org.apache.commons.pool2.impl.GenericObjectPool;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@Module
public class PoolModule {
@Provides
@ServerScope
@SuppressWarnings({ "rawtypes", "unchecked" })
PacketPool providePacketPool() {
Map<Class<? extends ClientSidePacket>, ObjectPool> map = Stream.of(State.values())
.flatMap(state -> state.getClientSidePackets().values().stream())
.distinct()
.collect(Collectors.toMap(
packetClass -> packetClass,
packetClass -> new GenericObjectPool(new PacketFactory<>(packetClass))));
map.put(UnknownPacket.class, new GenericObjectPool(new PacketFactory<>(UnknownPacket.class)));
return new PacketPool(map);
}
@Provides
@ServerScope
ObjectPool<NettyConnectionContext> providePoolNettyConnectionContext() {
return new GenericObjectPool<>(new NettyConnectionContextFactory());
}
}

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@@ -1,14 +0,0 @@
package mc.protocol.di;
import dagger.Component;
import mc.protocol.api.Server;
@Component(modules = {
ProtocolModule.class,
PoolModule.class
})
@ServerScope
public interface ProtocolComponent {
Server getServer();
}

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@@ -1,57 +0,0 @@
package mc.protocol.di;
import dagger.Module;
import dagger.Provides;
import lombok.RequiredArgsConstructor;
import mc.protocol.NettyConnectionContext;
import mc.protocol.NettyServer;
import mc.protocol.PacketInboundHandler;
import mc.protocol.api.Server;
import mc.protocol.event.EventBus;
import mc.protocol.event.SimpleEventBus;
import mc.protocol.io.codec.ProtocolDecoder;
import mc.protocol.pool.PacketPool;
import org.apache.commons.pool2.ObjectPool;
import javax.inject.Provider;
@Module
@RequiredArgsConstructor
public class ProtocolModule {
private final boolean readUnknownPackets;
@Provides
@ServerScope
Server provideServer(
Provider<ProtocolDecoder> protocolDecoderProvider,
Provider<PacketInboundHandler> packetInboundHandlerProvider,
EventBus eventBus
) {
return new NettyServer(protocolDecoderProvider, packetInboundHandlerProvider, eventBus);
}
@Provides
ProtocolDecoder provideProtocolDecoder(
ObjectPool<NettyConnectionContext> poolNettyConnectionContext,
PacketPool poolPackets
) {
return new ProtocolDecoder(readUnknownPackets, poolNettyConnectionContext, poolPackets);
}
@Provides
PacketInboundHandler providePacketInboundHandler(
ObjectPool<NettyConnectionContext> poolNettyConnectionContext,
PacketPool packetPool,
EventBus eventBus
) {
return new PacketInboundHandler(poolNettyConnectionContext, packetPool, eventBus);
}
@Provides
@ServerScope
EventBus provideEventBus() {
return new SimpleEventBus();
}
}

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@@ -1,10 +0,0 @@
package mc.protocol.di;
import javax.inject.Scope;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Scope
@Retention(RetentionPolicy.RUNTIME)
public @interface ServerScope {
}

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@@ -1,17 +0,0 @@
package mc.protocol.event;
import mc.protocol.State;
import mc.protocol.api.ConnectionContext;
import mc.protocol.packets.ClientSidePacket;
public interface EventBus {
<P extends ClientSidePacket> void subscribe(State state, Class<P> packetClass, EventHandler<P> eventHandler);
<P extends ClientSidePacket> void emit(State state, ConnectionContext channelContext, P packet);
@FunctionalInterface
interface EventHandler<P extends ClientSidePacket> {
void handle(ConnectionContext channelContext, P packet);
}
}

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@@ -1,26 +0,0 @@
package mc.protocol.event;
import mc.protocol.State;
import mc.protocol.api.ConnectionContext;
import mc.protocol.packets.ClientSidePacket;
import mc.protocol.utils.Table;
@SuppressWarnings({ "rawtypes", "unchecked" })
public class SimpleEventBus implements EventBus {
private final Table<State, Class<? extends ClientSidePacket>, EventHandler> table = new Table<>();
@Override
public <P extends ClientSidePacket> void subscribe(State state, Class<P> packetClass, EventHandler<P> eventHandler) {
table.put(state, packetClass, eventHandler);
}
@Override
public <P extends ClientSidePacket> void emit(State state, ConnectionContext channelContext, P packet) {
EventHandler eventHandler = table.getColumnAndRow(state, packet.getClass());
if (eventHandler != null) {
eventHandler.handle(channelContext, packet);
}
}
}

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@@ -1,32 +0,0 @@
package mc.protocol.packets;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import mc.protocol.State;
import mc.protocol.io.NetByteBuf;
@NoArgsConstructor
@Data
@ToString(exclude = "rawData")
public class UnknownPacket implements ClientSidePacket {
private State state;
private int id;
private int dataSize;
private byte[] rawData;
@Override
public void readSelf(NetByteBuf netByteBuf) {
rawData = new byte[dataSize];
netByteBuf.readBytes(rawData);
}
@Override
public void passivate() {
this.state = null;
this.id = 0;
this.dataSize = 0;
this.rawData = null;
}
}

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@@ -1,24 +0,0 @@
package mc.protocol.pool;
import mc.protocol.NettyConnectionContext;
import org.apache.commons.pool2.BasePooledObjectFactory;
import org.apache.commons.pool2.PooledObject;
import org.apache.commons.pool2.impl.DefaultPooledObject;
public class NettyConnectionContextFactory extends BasePooledObjectFactory<NettyConnectionContext> {
@Override
public NettyConnectionContext create() throws Exception {
return new NettyConnectionContext();
}
@Override
public PooledObject<NettyConnectionContext> wrap(NettyConnectionContext context) {
return new DefaultPooledObject<>(context);
}
@Override
public void passivateObject(PooledObject<NettyConnectionContext> pooledObj) {
pooledObj.getObject().passivate();
}
}

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@@ -1,7 +0,0 @@
package mc.protocol.world;
public interface Chunk {
int getX();
int getZ();
}

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@@ -1,13 +0,0 @@
package mc.protocol.world;
import mc.protocol.model.Location;
import mc.protocol.utils.LevelType;
public interface World {
LevelType getLevelType();
Location getSpawn();
Chunk getChunk(int x, int z);
}

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@@ -1,24 +0,0 @@
package mc.protocol.model.text;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
class TextTest {
@Test
void contentTest() {
Text actual;
Text expected;
actual = Text.builder().append("123").build();
expected = new Text(null, null, "123", null);
assertEquals(expected, actual);
actual = Text.builder().append("123").append(Text.of("456")).build();
expected = new Text(null, null, "123", List.of(Text.of("456")));
assertEquals(expected, actual);
}
}

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@@ -1,40 +0,0 @@
package mc.protocol.serializer;
import mc.protocol.model.text.Text;
import mc.protocol.model.text.TextColor;
import mc.protocol.model.text.TextStyle;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
class TextSerializerTest {
@ParameterizedTest
@MethodSource("paramsPlain")
void fromPlain(String sample, Text expected) {
Text actual = TextSerializer.fromPlain(sample);
assertEquals(expected, actual);
}
@SuppressWarnings("unused")
static Stream<Arguments> paramsPlain() {
return Stream.of(
Arguments.of("text", Text.of("text")),
Arguments.of("&&text", Text.of("&text")),
Arguments.of("&ztext", Text.of("text")),
Arguments.of("&4red_text", Text.of(TextColor.DARK_RED, "red_text")),
Arguments.of("&l&4red_text", Text.of(TextColor.DARK_RED, TextStyle.BOLD, "red_text")),
Arguments.of("&4&lred_text", Text.of(TextColor.DARK_RED, TextStyle.BOLD, "red_text")),
Arguments.of("&4red_text &eyellow_text", Text.builder()
.color(TextColor.DARK_RED)
.append("red_text ")
.append(Text.of(TextColor.YELLOW, "yellow_text"))
.build())
);
}
}