lxy/redkale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

增加 TransportStrategy 功能

Browse Source
This commit is contained in:
Redkale
2017-07-21 16:07:13 +08:00
parent 702220d18e
commit 27b4742b6d
5 changed files with 55 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/org/redkale/boot/Application.java
View File

@@ -232,12 +232,14 @@ public final class Application {
}
this.logger = Logger.getLogger(this.getClass().getSimpleName());
this.serversLatch = new CountDownLatch(config.getAnyValues("server").length + 1);
this.classLoader = new RedkaleClassLoader(Thread.currentThread().getContextClassLoader());
logger.log(Level.INFO, "------------------------------- Redkale " + Redkale.getDotedVersion() + " -------------------------------");
//------------------配置 <transport> 节点 ------------------
ObjectPool<ByteBuffer> transportPool = null;
ExecutorService transportExec = null;
AsynchronousChannelGroup transportGroup = null;
final AnyValue resources = config.getAnyValue("resources");
TransportStrategy strategy = null;
if (resources != null) {
AnyValue transportConf = resources.getAnyValue("transport");
int groupsize = resources.getAnyValues("group").length;
@@ -257,6 +259,10 @@ public final class Application {
});
//-----------transportChannelGroup--------------
try {
final String strategyClass = transportConf.getValue("strategy");
if (strategyClass != null && !strategyClass.isEmpty()) {
strategy = (TransportStrategy) classLoader.loadClass(strategyClass).newInstance();
}
final AtomicInteger counter = new AtomicInteger();
transportExec = Executors.newFixedThreadPool(threads, (Runnable r) -> {
Thread t = new Thread(r);
@@ -271,8 +277,7 @@ public final class Application {
logger.log(Level.INFO, Transport.class.getSimpleName() + " configure bufferCapacity = " + bufferCapacity + "; bufferPoolSize = " + bufferPoolSize + "; threads = " + threads + ";");
}
}
this.transportFactory = new TransportFactory(transportExec, transportPool, transportGroup);
this.classLoader = new RedkaleClassLoader(Thread.currentThread().getContextClassLoader());
this.transportFactory = new TransportFactory(transportExec, transportPool, transportGroup, strategy);
Thread.currentThread().setContextClassLoader(this.classLoader);
this.serverClassLoader = new RedkaleClassLoader(this.classLoader);
}

17
src/org/redkale/net/Transport.java
View File

@@ -56,15 +56,20 @@ public final class Transport {
protected final ObjectPool<ByteBuffer> bufferPool;
//负载均衡策略
protected final TransportStrategy strategy;
protected final ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> connPool = new ConcurrentHashMap<>();
public Transport(String name, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
this(name, DEFAULT_PROTOCOL, subprotocol, transportBufferPool, transportChannelGroup, clientAddress, addresses);
final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
this(name, DEFAULT_PROTOCOL, subprotocol, transportBufferPool, transportChannelGroup, clientAddress, addresses, strategy);
}
public Transport(String name, String protocol, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
this.name = name;
this.subprotocol = subprotocol == null ? "" : subprotocol.trim();
this.protocol = protocol;
@@ -72,6 +77,7 @@ public final class Transport {
this.group = transportChannelGroup;
this.bufferPool = transportBufferPool;
this.clientAddress = clientAddress;
this.strategy = strategy;
updateRemoteAddresses(addresses);
}
@@ -132,6 +138,10 @@ public final class Transport {
return remoteAddres;
}
public ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> getAsyncConnectionPool() {
return connPool;
}
@Override
public String toString() {
return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteAddres = " + Arrays.toString(remoteAddres) + "}";
@@ -158,6 +168,7 @@ public final class Transport {
}
public AsyncConnection pollConnection(SocketAddress addr) {
if (this.strategy != null) return strategy.pollConnection(addr, this);
if (addr == null && remoteAddres.length == 1) addr = remoteAddres[0];
final boolean rand = addr == null;
if (rand && remoteAddres.length < 1) throw new RuntimeException("Transport (" + this.name + ") have no remoteAddress list");

15
src/org/redkale/net/TransportFactory.java
View File

@@ -43,10 +43,19 @@ public class TransportFactory {
protected final List<WeakReference<Service>> services = new CopyOnWriteArrayList<>();
public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
//负载均衡策略
protected final TransportStrategy strategy;
public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
final TransportStrategy strategy) {
this.executor = executor;
this.bufferPool = bufferPool;
this.channelGroup = channelGroup;
this.strategy = strategy;
}
public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
this(executor, bufferPool, channelGroup, null);
}
public String findGroupName(InetSocketAddress addr) {
@@ -127,14 +136,14 @@ public class TransportFactory {
}
if (info == null) return null;
if (sncpAddress != null) addresses.remove(sncpAddress);
return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, addresses);
return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, addresses, this.strategy);
}
private Transport loadTransport(final String groupName, InetSocketAddress sncpAddress) {
if (groupName == null) return null;
TransportGroupInfo info = groupInfos.get(groupName);
if (info == null) return null;
return new Transport(groupName, info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, info.addresses);
return new Transport(groupName, info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, info.addresses, this.strategy);
}
public ExecutorService getExecutor() {

21
src/org/redkale/net/TransportStrategy.java Normal file
View File

@@ -0,0 +1,21 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package org.redkale.net;
import java.net.SocketAddress;
/**
* 远程请求的负载均衡策略
*
* <p>
* 详情见: https://redkale.org
*
* @author zhangjx
*/
public interface TransportStrategy {
public AsyncConnection pollConnection(SocketAddress addr, Transport transport);
}