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ehlxr 2021-01-27 11:47:09 +08:00
parent 9e966decb8
commit 251a21ef97
7 changed files with 158 additions and 94 deletions
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6
README.md
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@ -1,5 +1,11 @@
# did
[![license](https://badgen.net/badge/license/MIT/blue)](./LICENSE)
[![](https://badgen.net/github/commits/ehlxr/did)](https://github.com/ehlxr/did/commits/)
[![](https://badgen.net/github/last-commit/ehlxr/did)]((https://github.com/ehlxr/did/commits/))
[![](https://badgen.net/github/releases/ehlxr/did)](https://github.com/ehlxr/did/releases)
[![Build Status](https://ci.ehlxr.me/api/badges/ehlxr/did/status.svg)](https://ci.ehlxr.me/ehlxr/did)
基于 SnowFlake 算法实现的分布式 ID 生成服务
## did-server

8
did-server/src/main/java/io/github/ehlxr/did/ServerStarter.java
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@ -29,16 +29,14 @@ public class ServerStarter {
machineId = "".equals(Constants.getEnv("MACHINES_ID")) ? machineId : Long.parseLong(Constants.getEnv("MACHINES_ID"));
logger.info("SnowFlake datacenterId is: {}, machineId is: {}", datacenterId, machineId);
final SnowFlake snowFlake = new SnowFlake(datacenterId, machineId);
final SnowFlake snowFlake = SnowFlake.newBuilder().datacenterId(datacenterId).machineId(machineId).build();
// 启动 Http 服务器
final HttpServer httpServer = new HttpServer(snowFlake);
httpServer.init();
final Server httpServer = HttpServer.newBuilder().snowFlake(snowFlake).build();
httpServer.start();
// 启动 Sdk 服务器
final SdkServer sdkServer = new SdkServer(snowFlake);
sdkServer.init();
final Server sdkServer = SdkServer.newBuilder().snowFlake(snowFlake).build();
sdkServer.start();
Runtime.getRuntime().addShutdownHook(new Thread(() ->

26
did-server/src/main/java/io/github/ehlxr/did/core/SnowFlake.java
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@ -139,4 +139,30 @@ public class SnowFlake {
long end = System.currentTimeMillis();
System.out.println(end - start);
}
public static SnowFlakeBuilder newBuilder() {
return new SnowFlakeBuilder();
}
public static final class SnowFlakeBuilder {
private long datacenterId;
private long machineId;
private SnowFlakeBuilder() {
}
public SnowFlakeBuilder datacenterId(long datacenterId) {
this.datacenterId = datacenterId;
return this;
}
public SnowFlakeBuilder machineId(long machineId) {
this.machineId = machineId;
return this;
}
public SnowFlake build() {
return new SnowFlake(datacenterId, machineId);
}
}
}

12
did-server/src/main/java/io/github/ehlxr/did/server/BaseServer.java
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@ -3,8 +3,10 @@ package io.github.ehlxr.did.server;
import io.github.ehlxr.did.core.SnowFlake;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -22,10 +24,9 @@ public abstract class BaseServer implements Server {
protected NioEventLoopGroup workGroup;
protected ChannelFuture channelFuture;
protected ServerBootstrap serverBootstrap;
protected int port;
protected SnowFlake snowFlake;
public void init() {
protected void init() {
defLoopGroup = new DefaultEventLoopGroup(Runtime.getRuntime().availableProcessors(), new ThreadFactory() {
private final AtomicInteger index = new AtomicInteger(0);
@ -52,6 +53,13 @@ public abstract class BaseServer implements Server {
});
serverBootstrap = new ServerBootstrap();
serverBootstrap.group(bossGroup, workGroup)
.channel(NioServerSocketChannel.class)
// .option(ChannelOption.SO_KEEPALIVE, true)
// .option(ChannelOption.TCP_NODELAY, true)
// .localAddress(new InetSocketAddress(port))
.option(ChannelOption.SO_BACKLOG, 1024);
}
@Override

95
did-server/src/main/java/io/github/ehlxr/did/server/http/HttpServer.java
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@ -4,15 +4,15 @@ import io.github.ehlxr.did.common.Constants;
import io.github.ehlxr.did.core.SnowFlake;
import io.github.ehlxr.did.server.BaseServer;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Objects;
/**
* Http 服务器，使用 Netty 中的 Http 协议栈，
*
@ -20,50 +20,23 @@ import org.slf4j.LoggerFactory;
*/
public class HttpServer extends BaseServer {
protected Logger logger = LoggerFactory.getLogger(HttpServer.class);
private int port = "".equals(Constants.getEnv("HTTP_PORT")) ? Constants.HTTP_PORT : Integer.parseInt(Constants.getEnv("HTTP_PORT"));
public HttpServer(SnowFlake snowFlake, int port) {
Objects.requireNonNull(snowFlake, "snowflake instance not allow null");
this.snowFlake = snowFlake;
this.port = port;
this.port = port == 0 ? this.port : port;
}
public HttpServer(SnowFlake snowFlake) {
this.snowFlake = snowFlake;
this.port = "".equals(Constants.getEnv("HTTP_PORT")) ?
Constants.HTTP_PORT :
Integer.parseInt(Constants.getEnv("HTTP_PORT"));
this(snowFlake, 0);
}
@Override
public void init() {
super.init();
serverBootstrap.group(bossGroup, workGroup)
.channel(NioServerSocketChannel.class)
// .option(ChannelOption.SO_KEEPALIVE, false)
// .option(ChannelOption.TCP_NODELAY, true)
.option(ChannelOption.SO_BACKLOG, 1024)
// .localAddress(new InetSocketAddress(port))
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) {
ch.pipeline().addLast(defLoopGroup,
new HttpRequestDecoder(),
new HttpObjectAggregator(65536),
new HttpResponseEncoder(),
new HttpServerHandler(snowFlake)
);
}
});
public static HttpServerBuilder newBuilder() {
return new HttpServerBuilder();
}
@Override
public void start() {
try {
channelFuture = serverBootstrap.bind(port).sync();
logger.info("HttpServer start success, port is:{}", port);
} catch (InterruptedException e) {
logger.error("HttpServer start fail,", e);
}
}
@Override
public void shutdown() {
@ -71,4 +44,54 @@ public class HttpServer extends BaseServer {
super.shutdown();
logger.info("HttpServer shutdown finish!");
}
@Override
public void start() {
try {
init();
serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) {
ch.pipeline().addLast(defLoopGroup,
new HttpRequestDecoder(),
new HttpObjectAggregator(65536),
new HttpResponseEncoder(),
new HttpServerHandler(snowFlake)
);
}
});
channelFuture = serverBootstrap.bind(port).sync();
logger.info("HttpServer start success, port is:{}", port);
} catch (InterruptedException e) {
logger.error("HttpServer start fail,", e);
}
}
public static final class HttpServerBuilder {
protected SnowFlake snowFlake;
private int port;
private HttpServerBuilder() {
}
public static HttpServerBuilder aHttpServer() {
return new HttpServerBuilder();
}
public HttpServerBuilder snowFlake(SnowFlake snowFlake) {
this.snowFlake = snowFlake;
return this;
}
public HttpServerBuilder port(int port) {
this.port = port;
return this;
}
public HttpServer build() {
return new HttpServer(snowFlake, port);
}
}
}

15
did-server/src/main/java/io/github/ehlxr/did/server/http/HttpServerHandler.java
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@ -31,10 +31,7 @@ public class HttpServerHandler extends SimpleChannelInboundHandler<FullHttpReque
@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
String uri = getUriNoSprit(request);
logger.info("request uri is: {}", uri);
FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
// if (Constants.HTTP_REQUEST.equals(uri)) {
if (semaphore.tryAcquire(Constants.ACQUIRE_TIMEOUTMILLIS, TimeUnit.MILLISECONDS)) {
try {
long id = snowFlake.nextId();
@ -50,9 +47,6 @@ public class HttpServerHandler extends SimpleChannelInboundHandler<FullHttpReque
logger.warn(info);
throw new Exception(info);
}
// } else {
// response.content().writeBytes(("Unsupported uri: " + uri).getBytes());
// }
ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}
@ -63,13 +57,4 @@ public class HttpServerHandler extends SimpleChannelInboundHandler<FullHttpReque
logger.error("HttpServerHandler channel [{}] error and will be closed", NettyUtil.parseRemoteAddr(channel), cause);
NettyUtil.closeChannel(channel);
}
private String getUriNoSprit(FullHttpRequest request) {
String uri = request.uri();
if (uri.startsWith("/")) {
uri = uri.substring(1);
}
return uri;
}
}

90
did-server/src/main/java/io/github/ehlxr/did/server/sdk/SdkServer.java
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@ -4,59 +4,32 @@ import io.github.ehlxr.did.common.Constants;
import io.github.ehlxr.did.core.SnowFlake;
import io.github.ehlxr.did.server.BaseServer;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Objects;
/**
* @author ehlxr
*/
public class SdkServer extends BaseServer {
protected Logger logger = LoggerFactory.getLogger(SdkServer.class);
private int port = "".equals(Constants.getEnv("SDK_PORT")) ? Constants.HTTP_PORT : Integer.parseInt(Constants.getEnv("SDK_PORT"));
public SdkServer(SnowFlake snowFlake) {
this.snowFlake = snowFlake;
this.port = "".equals(Constants.getEnv("SDK_PORT")) ?
Constants.SDK_PORT :
Integer.parseInt(Constants.getEnv("SDK_PORT"));
this(snowFlake, 0);
}
public SdkServer(SnowFlake snowFlake, int port) {
Objects.requireNonNull(snowFlake, "snowflake instance not allow null");
this.snowFlake = snowFlake;
this.port = port;
this.port = port == 0 ? this.port : port;
}
@Override
public void init() {
super.init();
serverBootstrap.group(bossGroup, workGroup)
.channel(NioServerSocketChannel.class)
// .option(ChannelOption.SO_KEEPALIVE, true)
// .option(ChannelOption.TCP_NODELAY, true)
.option(ChannelOption.SO_BACKLOG, 1024)
// .localAddress(new InetSocketAddress(port))
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) {
ch.pipeline().addLast(defLoopGroup,
new SdkServerDecoder(12),
new SdkServerEncoder(),
new SdkServerHandler(snowFlake)
);
}
});
}
@Override
public void start() {
try {
channelFuture = serverBootstrap.bind(port).sync();
logger.info("SdkServer start success, port is:{}", port);
} catch (InterruptedException e) {
logger.error("SdkServer start fail,", e);
}
public static SdkServerBuilder newBuilder() {
return new SdkServerBuilder();
}
@Override
@ -65,4 +38,49 @@ public class SdkServer extends BaseServer {
super.shutdown();
logger.info("SdkServer shutdown finish!");
}
@Override
public void start() {
try {
init();
serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) {
ch.pipeline().addLast(defLoopGroup,
new SdkServerDecoder(12),
new SdkServerEncoder(),
new SdkServerHandler(snowFlake)
);
}
});
channelFuture = serverBootstrap.bind(port).sync();
logger.info("SdkServer start success, port is:{}", port);
} catch (InterruptedException e) {
logger.error("SdkServer start fail,", e);
}
}
public static final class SdkServerBuilder {
protected SnowFlake snowFlake;
private int port;
private SdkServerBuilder() {
}
public SdkServerBuilder snowFlake(SnowFlake snowFlake) {
this.snowFlake = snowFlake;
return this;
}
public SdkServerBuilder port(int port) {
this.port = port;
return this;
}
public SdkServer build() {
return new SdkServer(snowFlake, port);
}
}
}