Minecraft/mc-core
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simple server

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DmitriyMX
2018-03-25 18:27:47 +03:00
parent dfe250a0c6
commit 4b08137861
6 changed files with 230 additions and 0 deletions
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106
pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<name>MC Core</name>
<groupId>mc</groupId>
<artifactId>core</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<slf4j.version>1.7.21</slf4j.version>
<log4j.version>2.5</log4j.version>
<netty.version>4.1.22.Final</netty.version>
</properties>
<dependencies>
<!-- LOGGER -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>${log4j.version}</version>
</dependency>
<!-- COMPONENTS -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.16</version>
</dependency>
<!-- Netty -->
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
<version>${netty.version}</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}-${project.version}</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.15</version>
<configuration>
<argLine>-Dfile.encoding=${project.build.sourceEncoding}</argLine>
</configuration>
</plugin>
<!-- Copy dependency -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.4</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>dependency/</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.8</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

22
src/main/java/mc/core/Main.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-03-25
*/
package mc.core;
import lombok.extern.slf4j.Slf4j;
import mc.core.netty.NettyServer;
@Slf4j
public class Main {
public static void main(String[] args) {
log.info("Start server");
Server server = new NettyServer();
try {
server.start("127.0.0.1", 25565);
} catch (StartServerException e) {
log.error("Starting server error", e);
server.stop();
}
}
}

11
src/main/java/mc/core/Server.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-03-25
*/
package mc.core;
public interface Server {
void start(String host, int port) throws StartServerException;
void stop();
boolean isRunning();
}

11
src/main/java/mc/core/StartServerException.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-03-25
*/
package mc.core;
public class StartServerException extends Exception {
public StartServerException(Throwable cause) {
super(cause);
}
}

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src/main/java/mc/core/netty/NettyServer.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-03-25
*/
package mc.core.netty;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LoggingHandler;
import mc.core.Server;
import mc.core.StartServerException;
public class NettyServer implements Server {
private EventLoopGroup bossGroup, workerGroup;
private ChannelInitializer buildChannelInitializer() {
return new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel socketChannel) {
socketChannel.pipeline().addLast(
new LoggingHandler()
);
}
};
}
private ServerBootstrap buildServerBootstrap() {
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(buildChannelInitializer());
return bootstrap;
}
@Override
public void start(String host, int port) throws StartServerException {
bossGroup = new NioEventLoopGroup(1);
workerGroup = new NioEventLoopGroup();
ServerBootstrap serverBootstrap = buildServerBootstrap();
try {
serverBootstrap.bind(host, port).sync().channel().closeFuture().sync();
} catch (InterruptedException e) {
throw new StartServerException(e);
}
}
@Override
public void stop() {
workerGroup.shutdownGracefully();
bossGroup.shutdownGracefully();
}
@Override
public boolean isRunning() {
return bossGroup != null
&& workerGroup != null
&& !(bossGroup.isShutdown() && workerGroup.isShutdown());
}
}

13
src/main/resources/log4j2.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%-5level] \{%20.20c\:%-4L} %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Root level="trace">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>