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基于zookeeper、连接池、Failover/LoadBalance等改造Thrift 服务化

时间:2016-04-06 15:15:28      阅读:810      评论:0      收藏:0      [点我收藏+]

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对于Thrift服务化的改造,主要是客户端,可以从如下几个方面进行:

1.服务端的服务注册,客户端自动发现,无需手工修改配置,这里我们使用zookeeper,但由于zookeeper本身提供的客户端使用较为复杂,因此采用curator-recipes工具类进行处理服务的注册与发现。

2.客户端使用连接池对服务调用进行管理,提升性能,这里我们使用Apache Commons项目commons-pool,可以大大减少代码的复杂度。

3.关于Failover/LoadBalance,由于zookeeper的watcher,当服务端不可用是及时通知客户端,并移除不可用的服务节点,而LoadBalance有很多算法,这里我们采用随机加权方式,也是常有的负载算法,至于其他的算法介绍参考:常见的负载均衡的基本算法

4.使thrift服务的注册和发现可以基于spring配置,可以提供很多的便利。

5.其他的改造如:

1)通过动态代理实现client和server端的交互细节透明化,让用户只需通过服务方提供的接口进行访问

2)Thrift通过两种方式调用服务Client和Iface

 

  1. // *) Client API 调用  
  2. (EchoService.Client)client.echo("hello lilei");  ---(1)  
  3. // *) Service 接口 调用  
  4. (EchoService.Iface)service.echo("hello lilei");  ---(2)  
// *) Client API 调用
(EchoService.Client)client.echo("hello lilei");  ---(1)
// *) Service 接口 调用
(EchoService.Iface)service.echo("hello lilei");  ---(2)

Client API的方式, 不推荐, 我们推荐Service接口的方式(服务化)。

 

下面我们来一一实现:

一、pom.xml引入依赖jar包

 

  1. <dependency>  
  2.             <groupId>org.apache.thrift</groupId>  
  3.             <artifactId>libthrift</artifactId>  
  4.             <version>0.9.2</version>  
  5.         </dependency>  
  6.         <dependency>  
  7.             <groupId>commons-pool</groupId>  
  8.             <artifactId>commons-pool</artifactId>  
  9.             <version>1.6</version>  
  10.         </dependency>  
  11.         <dependency>  
  12.             <groupId>org.springframework</groupId>  
  13.             <artifactId>spring-context</artifactId>  
  14.             <version>4.0.9.RELEASE</version>  
  15.         </dependency>  
  16.   
  17.         <dependency>  
  18.             <groupId>org.apache.zookeeper</groupId>  
  19.             <artifactId>zookeeper</artifactId>  
  20.             <version>3.4.6</version>  
  21.         </dependency>  
  22.         <dependency>  
  23.             <groupId>org.apache.curator</groupId>  
  24.             <artifactId>curator-recipes</artifactId>  
  25.             <version>2.7.1</version>  
  26.         </dependency>  
<dependency>
			<groupId>org.apache.thrift</groupId>
			<artifactId>libthrift</artifactId>
			<version>0.9.2</version>
		</dependency>
		<dependency>
			<groupId>commons-pool</groupId>
			<artifactId>commons-pool</artifactId>
			<version>1.6</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>4.0.9.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.apache.zookeeper</groupId>
			<artifactId>zookeeper</artifactId>
			<version>3.4.6</version>
		</dependency>
		<dependency>
			<groupId>org.apache.curator</groupId>
			<artifactId>curator-recipes</artifactId>
			<version>2.7.1</version>
		</dependency>

二、使用zookeeper管理服务节点配置

RPC服务往平台化的方向发展, 会屏蔽掉更多的服务细节(服务的IP地址集群, 集群的扩容和迁移), 只暴露服务接口. 这部分的演化, 使得server端和client端完全的解耦合. 两者的交互通过ConfigServer(MetaServer)的中介角色来搭线。

技术分享

注: 该图源自dubbo的官网
这边借助Zookeeper来扮演该角色, server扮演发布者的角色, 而client扮演订阅者的角色.

Zookeeper是分布式应用协作服务. 它实现了paxos的一致性算法, 在命名管理/配置推送/数据同步/主从切换方面扮演重要的角色。 其数据组织类似文件系统的目录结构: 

技术分享

每个节点被称为znode, 为znode节点依据其特性, 又可以分为如下类型:
  1). PERSISTENT: 永久节点
  2). EPHEMERAL: 临时节点, 会随session(client disconnect)的消失而消失
  3). PERSISTENT_SEQUENTIAL: 永久节点, 其节点的名字编号是单调递增的
  4). EPHEMERAL_SEQUENTIAL: 临时节点, 其节点的名字编号是单调递增的
  注: 临时节点不能成为父节点
  Watcher观察模式, client可以注册对节点的状态/内容变更的事件回调机制. 其Event事件的两类属性需要关注下:
  1). KeeperState: Disconnected,SyncConnected,Expired
  2). EventType: None,NodeCreated,NodeDeleted,NodeDataChanged,NodeChildrenChanged
RPC服务端:
  作为具体业务服务的RPC服务发布方, 对其自身的服务描述由以下元素构成.
  1). namespace: 命名空间,来区分不同应用 
  2). service: 服务接口, 采用发布方的类全名来表示
  3). version: 版本号
  借鉴了Maven的GAV坐标系, 三维坐标系更符合服务平台化的大环境.
  *) 数据模型的设计
  具体RPC服务的注册路径为: /rpc/{namespace}/{service}/{version}, 该路径上的节点都是永久节点
  RPC服务集群节点的注册路径为: /rpc/{namespace}/{service}/{version}/{ip:port:weight}, 末尾的节点是临时节点.

1.定义Zookeeper的客户端的管理

ZookeeperFactory.java

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. import org.apache.curator.framework.CuratorFramework;  
  4. import org.apache.curator.framework.CuratorFrameworkFactory;  
  5. import org.apache.curator.retry.ExponentialBackoffRetry;  
  6. import org.springframework.beans.factory.FactoryBean;  
  7. import org.springframework.util.StringUtils;  
  8.   
  9. /** 
  10.  * 获取zookeeper客户端链接 
  11.  */  
  12. public class ZookeeperFactory implements FactoryBean<CuratorFramework> {  
  13.   
  14.     private String zkHosts;  
  15.     // session超时  
  16.     private int sessionTimeout = 30000;  
  17.     private int connectionTimeout = 30000;  
  18.   
  19.     // 共享一个zk链接  
  20.     private boolean singleton = true;  
  21.   
  22.     // 全局path前缀,常用来区分不同的应用  
  23.     private String namespace;  
  24.   
  25.     private final static String ROOT = "rpc";  
  26.   
  27.     private CuratorFramework zkClient;  
  28.   
  29.     public void setZkHosts(String zkHosts) {  
  30.         this.zkHosts = zkHosts;  
  31.     }  
  32.   
  33.     public void setSessionTimeout(int sessionTimeout) {  
  34.         this.sessionTimeout = sessionTimeout;  
  35.     }  
  36.   
  37.     public void setConnectionTimeout(int connectionTimeout) {  
  38.         this.connectionTimeout = connectionTimeout;  
  39.     }  
  40.   
  41.     public void setSingleton(boolean singleton) {  
  42.         this.singleton = singleton;  
  43.     }  
  44.   
  45.     public void setNamespace(String namespace) {  
  46.         this.namespace = namespace;  
  47.     }  
  48.   
  49.     public void setZkClient(CuratorFramework zkClient) {  
  50.         this.zkClient = zkClient;  
  51.     }  
  52.   
  53.     @Override  
  54.     public CuratorFramework getObject() throws Exception {  
  55.         if (singleton) {  
  56.             if (zkClient == null) {  
  57.                 zkClient = create();  
  58.                 zkClient.start();  
  59.             }  
  60.             return zkClient;  
  61.         }  
  62.         return create();  
  63.     }  
  64.   
  65.     @Override  
  66.     public Class<?> getObjectType() {  
  67.         return CuratorFramework.class;  
  68.     }  
  69.   
  70.     @Override  
  71.     public boolean isSingleton() {  
  72.         return singleton;  
  73.     }  
  74.   
  75.     public CuratorFramework create() throws Exception {  
  76.         if (StringUtils.isEmpty(namespace)) {  
  77.             namespace = ROOT;  
  78.         } else {  
  79.             namespace = ROOT +"/"+ namespace;  
  80.         }  
  81.         return create(zkHosts, sessionTimeout, connectionTimeout, namespace);  
  82.     }  
  83.   
  84.     public static CuratorFramework create(String connectString, int sessionTimeout, int connectionTimeout, String namespace) {  
  85.         CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();  
  86.         return builder.connectString(connectString).sessionTimeoutMs(sessionTimeout).connectionTimeoutMs(30000)  
  87.                 .canBeReadOnly(true).namespace(namespace).retryPolicy(new ExponentialBackoffRetry(1000, Integer.MAX_VALUE))  
  88.                 .defaultData(null).build();  
  89.     }  
  90.   
  91.     public void close() {  
  92.         if (zkClient != null) {  
  93.             zkClient.close();  
  94.         }  
  95.     }  
  96. }  
package cn.slimsmart.thrift.rpc.zookeeper;

import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.util.StringUtils;

/**
 * 获取zookeeper客户端链接
 */
public class ZookeeperFactory implements FactoryBean<CuratorFramework> {

	private String zkHosts;
	// session超时
	private int sessionTimeout = 30000;
	private int connectionTimeout = 30000;

	// 共享一个zk链接
	private boolean singleton = true;

	// 全局path前缀,常用来区分不同的应用
	private String namespace;

	private final static String ROOT = "rpc";

	private CuratorFramework zkClient;

	public void setZkHosts(String zkHosts) {
		this.zkHosts = zkHosts;
	}

	public void setSessionTimeout(int sessionTimeout) {
		this.sessionTimeout = sessionTimeout;
	}

	public void setConnectionTimeout(int connectionTimeout) {
		this.connectionTimeout = connectionTimeout;
	}

	public void setSingleton(boolean singleton) {
		this.singleton = singleton;
	}

	public void setNamespace(String namespace) {
		this.namespace = namespace;
	}

	public void setZkClient(CuratorFramework zkClient) {
		this.zkClient = zkClient;
	}

	@Override
	public CuratorFramework getObject() throws Exception {
		if (singleton) {
			if (zkClient == null) {
				zkClient = create();
				zkClient.start();
			}
			return zkClient;
		}
		return create();
	}

	@Override
	public Class<?> getObjectType() {
		return CuratorFramework.class;
	}

	@Override
	public boolean isSingleton() {
		return singleton;
	}

	public CuratorFramework create() throws Exception {
		if (StringUtils.isEmpty(namespace)) {
			namespace = ROOT;
		} else {
			namespace = ROOT +"/"+ namespace;
		}
		return create(zkHosts, sessionTimeout, connectionTimeout, namespace);
	}

	public static CuratorFramework create(String connectString, int sessionTimeout, int connectionTimeout, String namespace) {
		CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
		return builder.connectString(connectString).sessionTimeoutMs(sessionTimeout).connectionTimeoutMs(30000)
				.canBeReadOnly(true).namespace(namespace).retryPolicy(new ExponentialBackoffRetry(1000, Integer.MAX_VALUE))
				.defaultData(null).build();
	}

	public void close() {
		if (zkClient != null) {
			zkClient.close();
		}
	}
}

 

2.服务端注册服务

由于服务端配置需要获取本机的IP地址,因此定义IP获取接口

ThriftServerIpResolve.java

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. /** 
  4.  *  
  5.  * 解析thrift-server端IP地址,用于注册服务 
  6.  * 1) 可以从一个物理机器或者虚机的特殊文件中解析 
  7.  * 2) 可以获取指定网卡序号的Ip 
  8.  * 3) 其他 
  9.  */  
  10. public interface ThriftServerIpResolve {  
  11.       
  12.     String getServerIp() throws Exception;  
  13.       
  14.     void reset();  
  15.       
  16.     //当IP变更时,将会调用reset方法  
  17.     static interface IpRestCalllBack{  
  18.         public void rest(String newIp);  
  19.     }  
  20. }  
package cn.slimsmart.thrift.rpc.zookeeper;

/**
 * 
 * 解析thrift-server端IP地址,用于注册服务
 * 1) 可以从一个物理机器或者虚机的特殊文件中解析
 * 2) 可以获取指定网卡序号的Ip
 * 3) 其他
 */
public interface ThriftServerIpResolve {
	
	String getServerIp() throws Exception;
	
	void reset();
	
	//当IP变更时,将会调用reset方法
	static interface IpRestCalllBack{
		public void rest(String newIp);
	}
}

可以对该接口做不通的实现,下面我们基于网卡获取IP地址,也可以通过配置serverIp
ThriftServerIpLocalNetworkResolve.java

 

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. import java.net.Inet6Address;  
  4. import java.net.InetAddress;  
  5. import java.net.NetworkInterface;  
  6. import java.net.SocketException;  
  7. import java.util.Enumeration;  
  8.   
  9. import org.slf4j.Logger;  
  10. import org.slf4j.LoggerFactory;  
  11.   
  12. /** 
  13.  * 解析网卡Ip 
  14.  * 
  15.  */  
  16. public class ThriftServerIpLocalNetworkResolve implements ThriftServerIpResolve {  
  17.       
  18.     private Logger logger = LoggerFactory.getLogger(getClass());  
  19.   
  20.     //缓存  
  21.     private String serverIp;  
  22.       
  23.     public void setServerIp(String serverIp) {  
  24.         this.serverIp = serverIp;  
  25.     }  
  26.   
  27.     @Override  
  28.     public String getServerIp() {  
  29.         if (serverIp != null) {  
  30.             return serverIp;  
  31.         }  
  32.         // 一个主机有多个网络接口  
  33.         try {  
  34.             Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();  
  35.             while (netInterfaces.hasMoreElements()) {  
  36.                 NetworkInterface netInterface = netInterfaces.nextElement();  
  37.                 // 每个网络接口,都会有多个"网络地址",比如一定会有lookback地址,会有siteLocal地址等.以及IPV4或者IPV6 .  
  38.                 Enumeration<InetAddress> addresses = netInterface.getInetAddresses();  
  39.                 while (addresses.hasMoreElements()) {  
  40.                     InetAddress address = addresses.nextElement();  
  41.                     if(address instanceof Inet6Address){  
  42.                         continue;  
  43.                     }  
  44.                     if (address.isSiteLocalAddress() && !address.isLoopbackAddress()) {  
  45.                         serverIp = address.getHostAddress();  
  46.                         logger.info("resolve server ip :"+ serverIp);  
  47.                         continue;  
  48.                     }  
  49.                 }  
  50.             }  
  51.         } catch (SocketException e) {  
  52.             e.printStackTrace();  
  53.         }  
  54.         return serverIp;  
  55.     }  
  56.   
  57.     @Override  
  58.     public void reset() {  
  59.         serverIp = null;  
  60.     }  
  61. }  
package cn.slimsmart.thrift.rpc.zookeeper;

import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 解析网卡Ip
 *
 */
public class ThriftServerIpLocalNetworkResolve implements ThriftServerIpResolve {
	
	private Logger logger = LoggerFactory.getLogger(getClass());

	//缓存
	private String serverIp;
	
	public void setServerIp(String serverIp) {
		this.serverIp = serverIp;
	}

	@Override
	public String getServerIp() {
		if (serverIp != null) {
			return serverIp;
		}
		// 一个主机有多个网络接口
		try {
			Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
			while (netInterfaces.hasMoreElements()) {
				NetworkInterface netInterface = netInterfaces.nextElement();
				// 每个网络接口,都会有多个"网络地址",比如一定会有lookback地址,会有siteLocal地址等.以及IPV4或者IPV6 .
				Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
				while (addresses.hasMoreElements()) {
					InetAddress address = addresses.nextElement();
					if(address instanceof Inet6Address){
						continue;
					}
					if (address.isSiteLocalAddress() && !address.isLoopbackAddress()) {
						serverIp = address.getHostAddress();
						logger.info("resolve server ip :"+ serverIp);
						continue;
					}
				}
			}
		} catch (SocketException e) {
			e.printStackTrace();
		}
		return serverIp;
	}

	@Override
	public void reset() {
		serverIp = null;
	}
}

接下来我们定义发布服务接口,并实现将服务信息(服务接口、版本号,IP、port、weight)发布到zookeeper中。
ThriftServerAddressRegister.java

 

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. /** 
  4.  * 发布服务地址及端口到服务注册中心,这里是zookeeper服务器 
  5.  */  
  6. public interface ThriftServerAddressRegister {  
  7.     /** 
  8.      * 发布服务接口 
  9.      * @param service 服务接口名称,一个产品中不能重复 
  10.      * @param version 服务接口的版本号,默认1.0.0 
  11.      * @param address 服务发布的地址和端口 
  12.      */  
  13.     void register(String service,String version,String address);  
  14. }  
package cn.slimsmart.thrift.rpc.zookeeper;

/**
 * 发布服务地址及端口到服务注册中心,这里是zookeeper服务器
 */
public interface ThriftServerAddressRegister {
	/**
	 * 发布服务接口
	 * @param service 服务接口名称,一个产品中不能重复
	 * @param version 服务接口的版本号,默认1.0.0
	 * @param address 服务发布的地址和端口
	 */
	void register(String service,String version,String address);
}

实现:ThriftServerAddressRegisterZookeeper.java

 

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. import java.io.UnsupportedEncodingException;  
  4.   
  5. import org.apache.curator.framework.CuratorFramework;  
  6. import org.apache.curator.framework.imps.CuratorFrameworkState;  
  7. import org.apache.zookeeper.CreateMode;  
  8. import org.slf4j.Logger;  
  9. import org.slf4j.LoggerFactory;  
  10. import org.springframework.util.StringUtils;  
  11.   
  12. import cn.slimsmart.thrift.rpc.ThriftException;  
  13.   
  14. /** 
  15.  *  注册服务列表到Zookeeper 
  16.  */  
  17. public class ThriftServerAddressRegisterZookeeper implements ThriftServerAddressRegister{  
  18.       
  19.     private Logger logger = LoggerFactory.getLogger(getClass());  
  20.       
  21.     private CuratorFramework zkClient;  
  22.       
  23.     public ThriftServerAddressRegisterZookeeper(){}  
  24.       
  25.     public ThriftServerAddressRegisterZookeeper(CuratorFramework zkClient){  
  26.         this.zkClient = zkClient;  
  27.     }  
  28.   
  29.     public void setZkClient(CuratorFramework zkClient) {  
  30.         this.zkClient = zkClient;  
  31.     }  
  32.   
  33.     @Override  
  34.     public void register(String service, String version, String address) {  
  35.         if(zkClient.getState() == CuratorFrameworkState.LATENT){  
  36.             zkClient.start();  
  37.         }  
  38.         if(StringUtils.isEmpty(version)){  
  39.             version="1.0.0";  
  40.         }  
  41.         //临时节点  
  42.         try {  
  43.             zkClient.create()  
  44.                 .creatingParentsIfNeeded()  
  45.                 .withMode(CreateMode.EPHEMERAL)  
  46.                 .forPath("/"+service+"/"+version+"/"+address);  
  47.         } catch (UnsupportedEncodingException e) {  
  48.             logger.error("register service address to zookeeper exception:{}",e);  
  49.             throw new ThriftException("register service address to zookeeper exception: address UnsupportedEncodingException", e);  
  50.         } catch (Exception e) {  
  51.             logger.error("register service address to zookeeper exception:{}",e);  
  52.             throw new ThriftException("register service address to zookeeper exception:{}", e);  
  53.         }  
  54.     }  
  55.       
  56.     public void close(){  
  57.         zkClient.close();  
  58.     }  
  59. }  
package cn.slimsmart.thrift.rpc.zookeeper;

import java.io.UnsupportedEncodingException;

import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.imps.CuratorFrameworkState;
import org.apache.zookeeper.CreateMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;

import cn.slimsmart.thrift.rpc.ThriftException;

/**
 *  注册服务列表到Zookeeper
 */
public class ThriftServerAddressRegisterZookeeper implements ThriftServerAddressRegister{
	
	private Logger logger = LoggerFactory.getLogger(getClass());
	
	private CuratorFramework zkClient;
	
	public ThriftServerAddressRegisterZookeeper(){}
	
	public ThriftServerAddressRegisterZookeeper(CuratorFramework zkClient){
		this.zkClient = zkClient;
	}

	public void setZkClient(CuratorFramework zkClient) {
		this.zkClient = zkClient;
	}

	@Override
	public void register(String service, String version, String address) {
		if(zkClient.getState() == CuratorFrameworkState.LATENT){
			zkClient.start();
		}
		if(StringUtils.isEmpty(version)){
			version="1.0.0";
		}
		//临时节点
		try {
			zkClient.create()
				.creatingParentsIfNeeded()
				.withMode(CreateMode.EPHEMERAL)
				.forPath("/"+service+"/"+version+"/"+address);
		} catch (UnsupportedEncodingException e) {
			logger.error("register service address to zookeeper exception:{}",e);
			throw new ThriftException("register service address to zookeeper exception: address UnsupportedEncodingException", e);
		} catch (Exception e) {
			logger.error("register service address to zookeeper exception:{}",e);
			throw new ThriftException("register service address to zookeeper exception:{}", e);
		}
	}
	
	public void close(){
		zkClient.close();
	}
}

 

3.客户端发现服务

定义获取服务地址接口

ThriftServerAddressProvider.java

 

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. import java.net.InetSocketAddress;  
  4. import java.util.List;  
  5.   
  6. /** 
  7.  * thrift server-service地址提供者,以便构建客户端连接池 
  8.  */  
  9. public interface ThriftServerAddressProvider {  
  10.       
  11.     //获取服务名称  
  12.     String getService();  
  13.   
  14.     /** 
  15.      * 获取所有服务端地址 
  16.      * @return 
  17.      */  
  18.     List<InetSocketAddress> findServerAddressList();  
  19.   
  20.     /** 
  21.      * 选取一个合适的address,可以随机获取等‘ 
  22.      * 内部可以使用合适的算法. 
  23.      * @return 
  24.      */  
  25.     InetSocketAddress selector();  
  26.   
  27.     void close();  
  28. }  
package cn.slimsmart.thrift.rpc.zookeeper;

import java.net.InetSocketAddress;
import java.util.List;

/**
 * thrift server-service地址提供者,以便构建客户端连接池
 */
public interface ThriftServerAddressProvider {
	
	//获取服务名称
	String getService();

	/**
	 * 获取所有服务端地址
	 * @return
	 */
    List<InetSocketAddress> findServerAddressList();

    /**
     * 选取一个合适的address,可以随机获取等‘
     * 内部可以使用合适的算法.
     * @return
     */
    InetSocketAddress selector();

    void close();
}

基于zookeeper服务地址自动发现实现:ThriftServerAddressProviderZookeeper.java

  1. package cn.slimsmart.thrift.rpc.zookeeper;  
  2.   
  3. import java.net.InetSocketAddress;  
  4. import java.util.ArrayList;  
  5. import java.util.Collections;  
  6. import java.util.HashSet;  
  7. import java.util.LinkedList;  
  8. import java.util.List;  
  9. import java.util.Queue;  
  10. import java.util.Set;  
  11.   
  12. import org.apache.curator.framework.CuratorFramework;  
  13. import org.apache.curator.framework.imps.CuratorFrameworkState;  
  14. import org.apache.curator.framework.recipes.cache.ChildData;  
  15. import org.apache.curator.framework.recipes.cache.PathChildrenCache;  
  16. import org.apache.curator.framework.recipes.cache.PathChildrenCache.StartMode;  
  17. import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;  
  18. import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;  
  19. import org.slf4j.Logger;  
  20. import org.slf4j.LoggerFactory;  
  21. import org.springframework.beans.factory.InitializingBean;  
  22.   
  23. /** 
  24.  * 使用zookeeper作为"config"中心,使用apache-curator方法库来简化zookeeper开发 
  25.  */  
  26. public class ThriftServerAddressProviderZookeeper implements ThriftServerAddressProvider, InitializingBean {  
  27.   
  28.     private Logger logger = LoggerFactory.getLogger(getClass());  
  29.   
  30.     // 注册服务  
  31.     private String service;  
  32.     // 服务版本号  
  33.     private String version = "1.0.0";  
  34.   
  35.     private PathChildrenCache cachedPath;  
  36.   
  37.     private CuratorFramework zkClient;  
  38.   
  39.     // 用来保存当前provider所接触过的地址记录  
  40.     // 当zookeeper集群故障时,可以使用trace中地址,作为"备份"  
  41.     private Set<String> trace = new HashSet<String>();  
  42.   
  43.     private final List<InetSocketAddress> container = new ArrayList<InetSocketAddress>();  
  44.   
  45.     private Queue<InetSocketAddress> inner = new LinkedList<InetSocketAddress>();  
  46.   
  47.     private Object lock = new Object();  
  48.   
  49.     // 默认权重  
  50.     private static final Integer DEFAULT_WEIGHT = 1;  
  51.   
  52.     public void setService(String service) {  
  53.         this.service = service;  
  54.     }  
  55.   
  56.     public void setVersion(String version) {  
  57.         this.version = version;  
  58.     }  
  59.   
  60.     public ThriftServerAddressProviderZookeeper() {  
  61.     }  
  62.   
  63.     public ThriftServerAddressProviderZookeeper(CuratorFramework zkClient) {  
  64.         this.zkClient = zkClient;  
  65.     }  
  66.   
  67.     public void setZkClient(CuratorFramework zkClient) {  
  68.         this.zkClient = zkClient;  
  69.     }  
  70.   
  71.     @Override  
  72.     public void afterPropertiesSet() throws Exception {  
  73.         // 如果zk尚未启动,则启动  
  74.         if (zkClient.getState() == CuratorFrameworkState.LATENT) {  
  75.             zkClient.start();  
  76.         }  
  77.         buildPathChildrenCache(zkClient, getServicePath(), true);  
  78.         cachedPath.start(StartMode.POST_INITIALIZED_EVENT);  
  79.     }  
  80.   
  81.     private String getServicePath(){  
  82.         return "/" + service + "/" + version;  
  83.     }  
  84.     private void buildPathChildrenCache(final CuratorFramework client, String path, Boolean cacheData) throws Exception {  
  85.         cachedPath = new PathChildrenCache(client, path, cacheData);  
  86.         cachedPath.getListenable().addListener(new PathChildrenCacheListener() {  
  87.             @Override  
  88.             public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {  
  89.                 PathChildrenCacheEvent.Type eventType = event.getType();  
  90.                 switch (eventType) {  
  91.                 case CONNECTION_RECONNECTED:  
  92.                     logger.info("Connection is reconection.");  
  93.                     break;  
  94.                 case CONNECTION_SUSPENDED:  
  95.                     logger.info("Connection is suspended.");  
  96.                     break;  
  97.                 case CONNECTION_LOST:  
  98.                     logger.warn("Connection error,waiting...");  
  99.                     return;  
  100.                 default:  
  101.                     //  
  102.                 }  
  103.                 // 任何节点的时机数据变动,都会rebuild,此处为一个"简单的"做法.  
  104.                 cachedPath.rebuild();  
  105.                 rebuild();  
  106.             }  
  107.   
  108.             protected void rebuild() throws Exception {  
  109.                 List<ChildData> children = cachedPath.getCurrentData();  
  110.                 if (children == null || children.isEmpty()) {  
  111.                     // 有可能所有的thrift server都与zookeeper断开了链接  
  112.                     // 但是,有可能,thrift client与thrift server之间的网络是良好的  
  113.                     // 因此此处是否需要清空container,是需要多方面考虑的.  
  114.                     container.clear();  
  115.                     logger.error("thrift server-cluster error....");  
  116.                     return;  
  117.                 }  
  118.                 List<InetSocketAddress> current = new ArrayList<InetSocketAddress>();  
  119.                 String path = null;  
  120.                 for (ChildData data : children) {  
  121.                     path = data.getPath();  
  122.                     logger.debug("get path:"+path);  
  123.                     path = path.substring(getServicePath().length()+1);  
  124.                     logger.debug("get serviceAddress:"+path);  
  125.                     String address = new String(path.getBytes(), "utf-8");  
  126.                     current.addAll(transfer(address));  
  127.                     trace.add(address);  
  128.                 }  
  129.                 Collections.shuffle(current);  
  130.                 synchronized (lock) {  
  131.                     container.clear();  
  132.                     container.addAll(current);  
  133.                     inner.clear();  
  134.                     inner.addAll(current);  
  135.   
  136.                 }  
  137.             }  
  138.         });  
  139.     }  
  140.   
  141.     private List<InetSocketAddress> transfer(String address) {  
  142.         String[] hostname = address.split(":");  
  143.         Integer weight = DEFAULT_WEIGHT;  
  144.         if (hostname.length == 3) {  
  145.             weight = Integer.valueOf(hostname[2]);  
  146.         }  
  147.         String ip = hostname[0];  
  148.         Integer port = Integer.valueOf(hostname[1]);  
  149.         List<InetSocketAddress> result = new ArrayList<InetSocketAddress>();  
  150.         // 根据优先级,将ip:port添加多次到地址集中,然后随机取地址实现负载  
  151.         for (int i = 0; i < weight; i++) {  
  152.             result.add(new InetSocketAddress(ip, port));  
  153.         }  
  154.         return result;  
  155.     }  
  156.   
  157.     @Override  
  158.     public List<InetSocketAddress> findServerAddressList() {  
  159.         return Collections.unmodifiableList(container);  
  160.     }  
  161.   
  162.     @Override  
  163.     public synchronized InetSocketAddress selector() {  
  164.         if (inner.isEmpty()) {  
  165.             if (!container.isEmpty()) {  
  166.                 inner.addAll(container);  
  167.             } else if (!trace.isEmpty()) {  
  168.                 synchronized (lock) {  
  169.                     for (String hostname : trace) {  
  170.                         container.addAll(transfer(hostname));  
  171.                     }  
  172.                     Collections.shuffle(container);  
  173.                     inner.addAll(container);  
  174.                 }  
  175.             }  
  176.         }  
  177.         return inner.poll();  
  178.     }  
  179.   
  180.     @Override  
  181.     public void close() {  
  182.         try {  
  183.             cachedPath.close();  
  184.             zkClient.close();  
  185.         } catch (Exception e) {  
  186.         }  
  187.     }  
  188.   
  189.     @Override  
  190.     public String getService() {  
  191.         return service;  
  192.     }  
  193.   
  194. }  
package cn.slimsmart.thrift.rpc.zookeeper;

import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import java.util.Set;

import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.imps.CuratorFrameworkState;
import org.apache.curator.framework.recipes.cache.ChildData;
import org.apache.curator.framework.recipes.cache.PathChildrenCache;
import org.apache.curator.framework.recipes.cache.PathChildrenCache.StartMode;
import org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent;
import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;

/**
 * 使用zookeeper作为"config"中心,使用apache-curator方法库来简化zookeeper开发
 */
public class ThriftServerAddressProviderZookeeper implements ThriftServerAddressProvider, InitializingBean {

	private Logger logger = LoggerFactory.getLogger(getClass());

	// 注册服务
	private String service;
	// 服务版本号
	private String version = "1.0.0";

	private PathChildrenCache cachedPath;

	private CuratorFramework zkClient;

	// 用来保存当前provider所接触过的地址记录
	// 当zookeeper集群故障时,可以使用trace中地址,作为"备份"
	private Set<String> trace = new HashSet<String>();

	private final List<InetSocketAddress> container = new ArrayList<InetSocketAddress>();

	private Queue<InetSocketAddress> inner = new LinkedList<InetSocketAddress>();

	private Object lock = new Object();

	// 默认权重
	private static final Integer DEFAULT_WEIGHT = 1;

	public void setService(String service) {
		this.service = service;
	}

	public void setVersion(String version) {
		this.version = version;
	}

	public ThriftServerAddressProviderZookeeper() {
	}

	public ThriftServerAddressProviderZookeeper(CuratorFramework zkClient) {
		this.zkClient = zkClient;
	}

	public void setZkClient(CuratorFramework zkClient) {
		this.zkClient = zkClient;
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		// 如果zk尚未启动,则启动
		if (zkClient.getState() == CuratorFrameworkState.LATENT) {
			zkClient.start();
		}
		buildPathChildrenCache(zkClient, getServicePath(), true);
		cachedPath.start(StartMode.POST_INITIALIZED_EVENT);
	}

	private String getServicePath(){
		return "/" + service + "/" + version;
	}
	private void buildPathChildrenCache(final CuratorFramework client, String path, Boolean cacheData) throws Exception {
		cachedPath = new PathChildrenCache(client, path, cacheData);
		cachedPath.getListenable().addListener(new PathChildrenCacheListener() {
			@Override
			public void childEvent(CuratorFramework client, PathChildrenCacheEvent event) throws Exception {
				PathChildrenCacheEvent.Type eventType = event.getType();
				switch (eventType) {
				case CONNECTION_RECONNECTED:
					logger.info("Connection is reconection.");
					break;
				case CONNECTION_SUSPENDED:
					logger.info("Connection is suspended.");
					break;
				case CONNECTION_LOST:
					logger.warn("Connection error,waiting...");
					return;
				default:
					//
				}
				// 任何节点的时机数据变动,都会rebuild,此处为一个"简单的"做法.
				cachedPath.rebuild();
				rebuild();
			}

			protected void rebuild() throws Exception {
				List<ChildData> children = cachedPath.getCurrentData();
				if (children == null || children.isEmpty()) {
					// 有可能所有的thrift server都与zookeeper断开了链接
					// 但是,有可能,thrift client与thrift server之间的网络是良好的
					// 因此此处是否需要清空container,是需要多方面考虑的.
					container.clear();
					logger.error("thrift server-cluster error....");
					return;
				}
				List<InetSocketAddress> current = new ArrayList<InetSocketAddress>();
				String path = null;
				for (ChildData data : children) {
					path = data.getPath();
					logger.debug("get path:"+path);
					path = path.substring(getServicePath().length()+1);
					logger.debug("get serviceAddress:"+path);
					String address = new String(path.getBytes(), "utf-8");
					current.addAll(transfer(address));
					trace.add(address);
				}
				Collections.shuffle(current);
				synchronized (lock) {
					container.clear();
					container.addAll(current);
					inner.clear();
					inner.addAll(current);

				}
			}
		});
	}

	private List<InetSocketAddress> transfer(String address) {
		String[] hostname = address.split(":");
		Integer weight = DEFAULT_WEIGHT;
		if (hostname.length == 3) {
			weight = Integer.valueOf(hostname[2]);
		}
		String ip = hostname[0];
		Integer port = Integer.valueOf(hostname[1]);
		List<InetSocketAddress> result = new ArrayList<InetSocketAddress>();
		// 根据优先级,将ip:port添加多次到地址集中,然后随机取地址实现负载
		for (int i = 0; i < weight; i++) {
			result.add(new InetSocketAddress(ip, port));
		}
		return result;
	}

	@Override
	public List<InetSocketAddress> findServerAddressList() {
		return Collections.unmodifiableList(container);
	}

	@Override
	public synchronized InetSocketAddress selector() {
		if (inner.isEmpty()) {
			if (!container.isEmpty()) {
				inner.addAll(container);
			} else if (!trace.isEmpty()) {
				synchronized (lock) {
					for (String hostname : trace) {
						container.addAll(transfer(hostname));
					}
					Collections.shuffle(container);
					inner.addAll(container);
				}
			}
		}
		return inner.poll();
	}

	@Override
	public void close() {
		try {
            cachedPath.close();
            zkClient.close();
        } catch (Exception e) {
        }
	}

	@Override
	public String getService() {
		return service;
	}

}

对此接口还做了一种实现,通过配置获取服务地址,参考附件:FixedAddressProvider.java

 

三、服务端服务注册实现

ThriftServiceServerFactory.java

 

  1. package cn.slimsmart.thrift.rpc;  
  2.   
  3. import java.lang.instrument.IllegalClassFormatException;  
  4. import java.lang.reflect.Constructor;  
  5.   
  6. import org.apache.thrift.TProcessor;  
  7. import org.apache.thrift.TProcessorFactory;  
  8. import org.apache.thrift.protocol.TBinaryProtocol;  
  9. import org.apache.thrift.server.TServer;  
  10. import org.apache.thrift.server.TThreadedSelectorServer;  
  11. import org.apache.thrift.transport.TFramedTransport;  
  12. import org.apache.thrift.transport.TNonblockingServerSocket;  
  13. import org.springframework.beans.factory.InitializingBean;  
  14. import org.springframework.util.StringUtils;  
  15.   
  16. import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressRegister;  
  17. import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerIpLocalNetworkResolve;  
  18. import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerIpResolve;  
  19.   
  20. /** 
  21.  * 服务端注册服务工厂 
  22.  */  
  23. public class ThriftServiceServerFactory implements InitializingBean {  
  24.     // 服务注册本机端口  
  25.     private Integer port = 8299;  
  26.     // 优先级  
  27.     private Integer weight = 1;// default  
  28.     // 服务实现类  
  29.     private Object service;// serice实现类  
  30.     //服务版本号  
  31.     private String version;  
  32.     // 解析本机IP  
  33.     private ThriftServerIpResolve thriftServerIpResolve;  
  34.     //服务注册  
  35.     private ThriftServerAddressRegister thriftServerAddressRegister;  
  36.   
  37.     private ServerThread serverThread;  
  38.       
  39.     public void setPort(Integer port) {  
  40.         this.port = port;  
  41.     }  
  42.   
  43.     public void setWeight(Integer weight) {  
  44.         this.weight = weight;  
  45.     }  
  46.   
  47.     public void setService(Object service) {  
  48.         this.service = service;  
  49.     }  
  50.   
  51.     public void setVersion(String version) {  
  52.         this.version = version;  
  53.     }  
  54.   
  55.     public void setThriftServerIpResolve(ThriftServerIpResolve thriftServerIpResolve) {  
  56.         this.thriftServerIpResolve = thriftServerIpResolve;  
  57.     }  
  58.   
  59.     public void setThriftServerAddressRegister(ThriftServerAddressRegister thriftServerAddressRegister) {  
  60.         this.thriftServerAddressRegister = thriftServerAddressRegister;  
  61.     }  
  62.   
  63.     @Override  
  64.     public void afterPropertiesSet() throws Exception {  
  65.         if (thriftServerIpResolve == null) {  
  66.             thriftServerIpResolve = new ThriftServerIpLocalNetworkResolve();  
  67.         }  
  68.         String serverIP = thriftServerIpResolve.getServerIp();  
  69.         if (StringUtils.isEmpty(serverIP)) {  
  70.             throw new ThriftException("cant find server ip...");  
  71.         }  
  72.   
  73.         String hostname = serverIP + ":" + port + ":" + weight;  
  74.         Class<?> serviceClass = service.getClass();  
  75.         // 获取实现类接口  
  76.         Class<?>[] interfaces = serviceClass.getInterfaces();  
  77.         if (interfaces.length == 0) {  
  78.             throw new IllegalClassFormatException("service-class should implements Iface");  
  79.         }  
  80.         // reflect,load "Processor";  
  81.         TProcessor processor = null;  
  82.         String serviceName = null;  
  83.         for (Class<?> clazz : interfaces) {  
  84.             String cname = clazz.getSimpleName();  
  85.             if (!cname.equals("Iface")) {  
  86.                 continue;  
  87.             }  
  88.             serviceName = clazz.getEnclosingClass().getName();  
  89.             String pname = serviceName + "$Processor";  
  90.             try {  
  91.                 ClassLoader classLoader = Thread.currentThread().getContextClassLoader();  
  92.                 Class<?> pclass = classLoader.loadClass(pname);  
  93.                 if (!TProcessor.class.isAssignableFrom(pclass)) {  
  94.                     continue;  
  95.                 }  
  96.                 Constructor<?> constructor = pclass.getConstructor(clazz);  
  97.                 processor = (TProcessor) constructor.newInstance(service);  
  98.                 break;  
  99.             } catch (Exception e) {  
  100.                 //  
  101.             }  
  102.         }  
  103.         if (processor == null) {  
  104.             throw new IllegalClassFormatException("service-class should implements Iface");  
  105.         }  
  106.         //需要单独的线程,因为serve方法是阻塞的.  
  107.         serverThread = new ServerThread(processor, port);  
  108.         serverThread.start();  
  109.         // 注册服务  
  110.         if (thriftServerAddressRegister != null) {  
  111.             thriftServerAddressRegister.register(serviceName, version, hostname);  
  112.         }  
  113.   
  114.     }  
  115.     class ServerThread extends Thread {  
  116.         private TServer server;  
  117.         ServerThread(TProcessor processor, int port) throws Exception {  
  118.             TNonblockingServerSocket serverTransport = new TNonblockingServerSocket(port);  
  119.             TThreadedSelectorServer.Args tArgs = new TThreadedSelectorServer.Args(serverTransport);    
  120.             TProcessorFactory processorFactory = new TProcessorFactory(processor);  
  121.             tArgs.processorFactory(processorFactory);  
  122.             tArgs.transportFactory(new TFramedTransport.Factory());    
  123.             tArgs.protocolFactory( new TBinaryProtocol.Factory(true, true));   
  124.             server = new TThreadedSelectorServer(tArgs);  
  125.         }  
  126.   
  127.         @Override  
  128.         public void run(){  
  129.             try{  
  130.                 //启动服务  
  131.                 server.serve();  
  132.             }catch(Exception e){  
  133.                 //  
  134.             }  
  135.         }  
  136.           
  137.         public void stopServer(){  
  138.             server.stop();  
  139.         }  
  140.     }  
  141.       
  142.     public void close() {  
  143.         serverThread.stopServer();  
  144.     }  
  145. }  
package cn.slimsmart.thrift.rpc;

import java.lang.instrument.IllegalClassFormatException;
import java.lang.reflect.Constructor;

import org.apache.thrift.TProcessor;
import org.apache.thrift.TProcessorFactory;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadedSelectorServer;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TNonblockingServerSocket;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.StringUtils;

import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressRegister;
import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerIpLocalNetworkResolve;
import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerIpResolve;

/**
 * 服务端注册服务工厂
 */
public class ThriftServiceServerFactory implements InitializingBean {
	// 服务注册本机端口
	private Integer port = 8299;
	// 优先级
	private Integer weight = 1;// default
	// 服务实现类
	private Object service;// serice实现类
	//服务版本号
	private String version;
	// 解析本机IP
	private ThriftServerIpResolve thriftServerIpResolve;
	//服务注册
	private ThriftServerAddressRegister thriftServerAddressRegister;

	private ServerThread serverThread;
	
	public void setPort(Integer port) {
		this.port = port;
	}

	public void setWeight(Integer weight) {
		this.weight = weight;
	}

	public void setService(Object service) {
		this.service = service;
	}

	public void setVersion(String version) {
		this.version = version;
	}

	public void setThriftServerIpResolve(ThriftServerIpResolve thriftServerIpResolve) {
		this.thriftServerIpResolve = thriftServerIpResolve;
	}

	public void setThriftServerAddressRegister(ThriftServerAddressRegister thriftServerAddressRegister) {
		this.thriftServerAddressRegister = thriftServerAddressRegister;
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		if (thriftServerIpResolve == null) {
			thriftServerIpResolve = new ThriftServerIpLocalNetworkResolve();
		}
		String serverIP = thriftServerIpResolve.getServerIp();
		if (StringUtils.isEmpty(serverIP)) {
			throw new ThriftException("cant find server ip...");
		}

		String hostname = serverIP + ":" + port + ":" + weight;
		Class<?> serviceClass = service.getClass();
		// 获取实现类接口
		Class<?>[] interfaces = serviceClass.getInterfaces();
		if (interfaces.length == 0) {
			throw new IllegalClassFormatException("service-class should implements Iface");
		}
		// reflect,load "Processor";
		TProcessor processor = null;
		String serviceName = null;
		for (Class<?> clazz : interfaces) {
			String cname = clazz.getSimpleName();
			if (!cname.equals("Iface")) {
				continue;
			}
			serviceName = clazz.getEnclosingClass().getName();
			String pname = serviceName + "$Processor";
			try {
				ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
				Class<?> pclass = classLoader.loadClass(pname);
				if (!TProcessor.class.isAssignableFrom(pclass)) {
					continue;
				}
				Constructor<?> constructor = pclass.getConstructor(clazz);
				processor = (TProcessor) constructor.newInstance(service);
				break;
			} catch (Exception e) {
				//
			}
		}
		if (processor == null) {
			throw new IllegalClassFormatException("service-class should implements Iface");
		}
		//需要单独的线程,因为serve方法是阻塞的.
		serverThread = new ServerThread(processor, port);
		serverThread.start();
		// 注册服务
		if (thriftServerAddressRegister != null) {
			thriftServerAddressRegister.register(serviceName, version, hostname);
		}

	}
	class ServerThread extends Thread {
		private TServer server;
		ServerThread(TProcessor processor, int port) throws Exception {
			TNonblockingServerSocket serverTransport = new TNonblockingServerSocket(port);
			TThreadedSelectorServer.Args tArgs = new TThreadedSelectorServer.Args(serverTransport);  
			TProcessorFactory processorFactory = new TProcessorFactory(processor);
			tArgs.processorFactory(processorFactory);
			tArgs.transportFactory(new TFramedTransport.Factory());  
			tArgs.protocolFactory( new TBinaryProtocol.Factory(true, true)); 
			server = new TThreadedSelectorServer(tArgs);
		}

		@Override
		public void run(){
			try{
				//启动服务
				server.serve();
			}catch(Exception e){
				//
			}
		}
		
		public void stopServer(){
			server.stop();
		}
	}
	
	public void close() {
		serverThread.stopServer();
	}
}

 

四、客户端获取服务代理及连接池实现
客户端连接池实现:ThriftClientPoolFactory.java

 

  1. package cn.slimsmart.thrift.rpc;  
  2.   
  3. import java.net.InetSocketAddress;  
  4.   
  5. import org.apache.commons.pool.BasePoolableObjectFactory;  
  6. import org.apache.thrift.TServiceClient;  
  7. import org.apache.thrift.TServiceClientFactory;  
  8. import org.apache.thrift.protocol.TBinaryProtocol;  
  9. import org.apache.thrift.protocol.TProtocol;  
  10. import org.apache.thrift.transport.TFramedTransport;  
  11. import org.apache.thrift.transport.TSocket;  
  12. import org.apache.thrift.transport.TTransport;  
  13.   
  14. import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProvider;  
  15.   
  16. /** 
  17.  * 连接池,thrift-client for spring 
  18.  */  
  19. public class ThriftClientPoolFactory extends BasePoolableObjectFactory<TServiceClient> {  
  20.   
  21.     private final ThriftServerAddressProvider serverAddressProvider;  
  22.     private final TServiceClientFactory<TServiceClient> clientFactory;  
  23.     private PoolOperationCallBack callback;  
  24.   
  25.     protected ThriftClientPoolFactory(ThriftServerAddressProvider addressProvider, TServiceClientFactory<TServiceClient> clientFactory) throws Exception {  
  26.         this.serverAddressProvider = addressProvider;  
  27.         this.clientFactory = clientFactory;  
  28.     }  
  29.   
  30.     protected ThriftClientPoolFactory(ThriftServerAddressProvider addressProvider, TServiceClientFactory<TServiceClient> clientFactory,  
  31.             PoolOperationCallBack callback) throws Exception {  
  32.         this.serverAddressProvider = addressProvider;  
  33.         this.clientFactory = clientFactory;  
  34.         this.callback = callback;  
  35.     }  
  36.   
  37.     static interface PoolOperationCallBack {  
  38.         // 销毁client之前执行  
  39.         void destroy(TServiceClient client);  
  40.   
  41.         // 创建成功是执行  
  42.         void make(TServiceClient client);  
  43.     }  
  44.   
  45.     public void destroyObject(TServiceClient client) throws Exception {  
  46.         if (callback != null) {  
  47.             try {  
  48.                 callback.destroy(client);  
  49.             } catch (Exception e) {  
  50.                 //  
  51.             }  
  52.         }  
  53.         TTransport pin = client.getInputProtocol().getTransport();  
  54.         pin.close();  
  55.     }  
  56.   
  57.     public boolean validateObject(TServiceClient client) {  
  58.         TTransport pin = client.getInputProtocol().getTransport();  
  59.         return pin.isOpen();  
  60.     }  
  61.   
  62.     @Override  
  63.     public TServiceClient makeObject() throws Exception {  
  64.         InetSocketAddress address = serverAddressProvider.selector();  
  65.         TSocket tsocket = new TSocket(address.getHostName(), address.getPort());  
  66.         TTransport transport = new TFramedTransport(tsocket);  
  67.         TProtocol protocol = new TBinaryProtocol(transport);  
  68.         TServiceClient client = this.clientFactory.getClient(protocol);  
  69.         transport.open();  
  70.         if (callback != null) {  
  71.             try {  
  72.                 callback.make(client);  
  73.             } catch (Exception e) {  
  74.                 //  
  75.             }  
  76.         }  
  77.         return client;  
  78.     }  
  79.   
  80. }  
package cn.slimsmart.thrift.rpc;

import java.net.InetSocketAddress;

import org.apache.commons.pool.BasePoolableObjectFactory;
import org.apache.thrift.TServiceClient;
import org.apache.thrift.TServiceClientFactory;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;

import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProvider;

/**
 * 连接池,thrift-client for spring
 */
public class ThriftClientPoolFactory extends BasePoolableObjectFactory<TServiceClient> {

	private final ThriftServerAddressProvider serverAddressProvider;
	private final TServiceClientFactory<TServiceClient> clientFactory;
	private PoolOperationCallBack callback;

	protected ThriftClientPoolFactory(ThriftServerAddressProvider addressProvider, TServiceClientFactory<TServiceClient> clientFactory) throws Exception {
		this.serverAddressProvider = addressProvider;
		this.clientFactory = clientFactory;
	}

	protected ThriftClientPoolFactory(ThriftServerAddressProvider addressProvider, TServiceClientFactory<TServiceClient> clientFactory,
			PoolOperationCallBack callback) throws Exception {
		this.serverAddressProvider = addressProvider;
		this.clientFactory = clientFactory;
		this.callback = callback;
	}

	static interface PoolOperationCallBack {
		// 销毁client之前执行
		void destroy(TServiceClient client);

		// 创建成功是执行
		void make(TServiceClient client);
	}

	public void destroyObject(TServiceClient client) throws Exception {
		if (callback != null) {
			try {
				callback.destroy(client);
			} catch (Exception e) {
				//
			}
		}
		TTransport pin = client.getInputProtocol().getTransport();
		pin.close();
	}

	public boolean validateObject(TServiceClient client) {
		TTransport pin = client.getInputProtocol().getTransport();
		return pin.isOpen();
	}

	@Override
	public TServiceClient makeObject() throws Exception {
		InetSocketAddress address = serverAddressProvider.selector();
		TSocket tsocket = new TSocket(address.getHostName(), address.getPort());
		TTransport transport = new TFramedTransport(tsocket);
		TProtocol protocol = new TBinaryProtocol(transport);
		TServiceClient client = this.clientFactory.getClient(protocol);
		transport.open();
		if (callback != null) {
			try {
				callback.make(client);
			} catch (Exception e) {
				//
			}
		}
		return client;
	}

}

客户端服务代理工厂实现:ThriftServiceClientProxyFactory.java

 

 

  1. package cn.slimsmart.thrift.rpc;  
  2.   
  3. import java.lang.reflect.InvocationHandler;  
  4. import java.lang.reflect.Method;  
  5. import java.lang.reflect.Proxy;  
  6.   
  7. import org.apache.commons.pool.impl.GenericObjectPool;  
  8. import org.apache.thrift.TServiceClient;  
  9. import org.apache.thrift.TServiceClientFactory;  
  10. import org.springframework.beans.factory.FactoryBean;  
  11. import org.springframework.beans.factory.InitializingBean;  
  12.   
  13. import cn.slimsmart.thrift.rpc.ThriftClientPoolFactory.PoolOperationCallBack;  
  14. import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProvider;  
  15.   
  16. /** 
  17.  * 客户端代理 
  18.  */  
  19. @SuppressWarnings({ "unchecked", "rawtypes" })  
  20. public class ThriftServiceClientProxyFactory implements FactoryBean, InitializingBean {  
  21.   
  22.     private Integer maxActive = 32;// 最大活跃连接数  
  23.   
  24.     // ms,default 3 min,链接空闲时间  
  25.     // -1,关闭空闲检测  
  26.     private Integer idleTime = 180000;  
  27.     private ThriftServerAddressProvider serverAddressProvider;  
  28.   
  29.     private Object proxyClient;  
  30.     private Class<?> objectClass;  
  31.   
  32.     private GenericObjectPool<TServiceClient> pool;  
  33.   
  34.     private PoolOperationCallBack callback = new PoolOperationCallBack() {  
  35.         @Override  
  36.         public void make(TServiceClient client) {  
  37.             System.out.println("create");  
  38.         }  
  39.   
  40.         @Override  
  41.         public void destroy(TServiceClient client) {  
  42.             System.out.println("destroy");  
  43.         }  
  44.     };  
  45.       
  46.     public void setMaxActive(Integer maxActive) {  
  47.         this.maxActive = maxActive;  
  48.     }  
  49.   
  50.     public void setIdleTime(Integer idleTime) {  
  51.         this.idleTime = idleTime;  
  52.     }  
  53.   
  54.     public void setServerAddressProvider(ThriftServerAddressProvider serverAddressProvider) {  
  55.         this.serverAddressProvider = serverAddressProvider;  
  56.     }  
  57.   
  58.     @Override  
  59.     public void afterPropertiesSet() throws Exception {  
  60.         ClassLoader classLoader = Thread.currentThread().getContextClassLoader();  
  61.         // 加载Iface接口  
  62.         objectClass = classLoader.loadClass(serverAddressProvider.getService() + "$Iface");  
  63.         // 加载Client.Factory类  
  64.         Class<TServiceClientFactory<TServiceClient>> fi = (Class<TServiceClientFactory<TServiceClient>>) classLoader.loadClass(serverAddressProvider.getService() + "$Client$Factory");  
  65.         TServiceClientFactory<TServiceClient> clientFactory = fi.newInstance();  
  66.         ThriftClientPoolFactory clientPool = new ThriftClientPoolFactory(serverAddressProvider, clientFactory, callback);  
  67.         GenericObjectPool.Config poolConfig = new GenericObjectPool.Config();  
  68.         poolConfig.maxActive = maxActive;  
  69.         poolConfig.minIdle = 0;  
  70.         poolConfig.minEvictableIdleTimeMillis = idleTime;  
  71.         poolConfig.timeBetweenEvictionRunsMillis = idleTime / 2L;  
  72.         pool = new GenericObjectPool<TServiceClient>(clientPool, poolConfig);  
  73.         proxyClient = Proxy.newProxyInstance(classLoader, new Class[] { objectClass }, new InvocationHandler() {  
  74.             @Override  
  75.             public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {  
  76.                 //  
  77.                 TServiceClient client = pool.borrowObject();  
  78.                 try {  
  79.                     return method.invoke(client, args);  
  80.                 } catch (Exception e) {  
  81.                     throw e;  
  82.                 } finally {  
  83.                     pool.returnObject(client);  
  84.                 }  
  85.             }  
  86.         });  
  87.     }  
  88.   
  89.     @Override  
  90.     public Object getObject() throws Exception {  
  91.         return proxyClient;  
  92.     }  
  93.   
  94.     @Override  
  95.     public Class<?> getObjectType() {  
  96.         return objectClass;  
  97.     }  
  98.   
  99.     @Override  
  100.     public boolean isSingleton() {  
  101.         return true;  
  102.     }  
  103.   
  104.     public void close() {  
  105.         if (serverAddressProvider != null) {  
  106.             serverAddressProvider.close();  
  107.         }  
  108.     }  
  109. }  
package cn.slimsmart.thrift.rpc;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import org.apache.commons.pool.impl.GenericObjectPool;
import org.apache.thrift.TServiceClient;
import org.apache.thrift.TServiceClientFactory;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

import cn.slimsmart.thrift.rpc.ThriftClientPoolFactory.PoolOperationCallBack;
import cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProvider;

/**
 * 客户端代理
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public class ThriftServiceClientProxyFactory implements FactoryBean, InitializingBean {

	private Integer maxActive = 32;// 最大活跃连接数

	// ms,default 3 min,链接空闲时间
	// -1,关闭空闲检测
	private Integer idleTime = 180000;
	private ThriftServerAddressProvider serverAddressProvider;

	private Object proxyClient;
	private Class<?> objectClass;

	private GenericObjectPool<TServiceClient> pool;

	private PoolOperationCallBack callback = new PoolOperationCallBack() {
		@Override
		public void make(TServiceClient client) {
			System.out.println("create");
		}

		@Override
		public void destroy(TServiceClient client) {
			System.out.println("destroy");
		}
	};
	
	public void setMaxActive(Integer maxActive) {
		this.maxActive = maxActive;
	}

	public void setIdleTime(Integer idleTime) {
		this.idleTime = idleTime;
	}

	public void setServerAddressProvider(ThriftServerAddressProvider serverAddressProvider) {
		this.serverAddressProvider = serverAddressProvider;
	}

	@Override
	public void afterPropertiesSet() throws Exception {
		ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
		// 加载Iface接口
		objectClass = classLoader.loadClass(serverAddressProvider.getService() + "$Iface");
		// 加载Client.Factory类
		Class<TServiceClientFactory<TServiceClient>> fi = (Class<TServiceClientFactory<TServiceClient>>) classLoader.loadClass(serverAddressProvider.getService() + "$Client$Factory");
		TServiceClientFactory<TServiceClient> clientFactory = fi.newInstance();
		ThriftClientPoolFactory clientPool = new ThriftClientPoolFactory(serverAddressProvider, clientFactory, callback);
		GenericObjectPool.Config poolConfig = new GenericObjectPool.Config();
		poolConfig.maxActive = maxActive;
		poolConfig.minIdle = 0;
		poolConfig.minEvictableIdleTimeMillis = idleTime;
		poolConfig.timeBetweenEvictionRunsMillis = idleTime / 2L;
		pool = new GenericObjectPool<TServiceClient>(clientPool, poolConfig);
		proxyClient = Proxy.newProxyInstance(classLoader, new Class[] { objectClass }, new InvocationHandler() {
			@Override
			public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
				//
				TServiceClient client = pool.borrowObject();
				try {
					return method.invoke(client, args);
				} catch (Exception e) {
					throw e;
				} finally {
					pool.returnObject(client);
				}
			}
		});
	}

	@Override
	public Object getObject() throws Exception {
		return proxyClient;
	}

	@Override
	public Class<?> getObjectType() {
		return objectClass;
	}

	@Override
	public boolean isSingleton() {
		return true;
	}

	public void close() {
		if (serverAddressProvider != null) {
			serverAddressProvider.close();
		}
	}
}

下面我们看一下服务端和客户端的配置;

 

服务端spring-context-thrift-server.xml

 

  1. <?xml version="1.0" encoding="UTF-8"?>  
  2. <beans xmlns="http://www.springframework.org/schema/beans"  
  3.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"  
  4.     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"  
  5.     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd  
  6.                 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd  
  7.                 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd  
  8.                 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"  
  9.     default-lazy-init="false">  
  10.   
  11.     <!-- zookeeper -->  
  12.     <bean id="thriftZookeeper" class="cn.slimsmart.thrift.rpc.zookeeper.ZookeeperFactory"  
  13.         destroy-method="close">  
  14.         <property name="zkHosts"  
  15.             value="192.168.36.54:2181,192.168.36.99:2181,192.168.36.189:2181" />  
  16.         <property name="namespace" value="cn.slimsmart.thrift.rpc.demo" />  
  17.         <property name="connectionTimeout" value="3000" />  
  18.         <property name="sessionTimeout" value="3000" />  
  19.         <property name="singleton" value="true" />  
  20.     </bean>  
  21.     <bean id="sericeAddressRegister"  
  22.         class="cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressRegisterZookeeper"  
  23.         destroy-method="close">  
  24.         <property name="zkClient" ref="thriftZookeeper" />  
  25.     </bean>  
  26.     <bean id="echoSerivceImpl" class="cn.slimsmart.thrift.rpc.demo.EchoSerivceImpl" />  
  27.   
  28.     <bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"  
  29.         destroy-method="close">  
  30.         <property name="service" ref="echoSerivceImpl" />  
  31.         <property name="port" value="9000" />  
  32.         <property name="version" value="1.0.0" />  
  33.         <property name="weight" value="1" />  
  34.         <property name="thriftServerAddressRegister" ref="sericeAddressRegister" />  
  35.     </bean>  
  36.       
  37.     <bean id="echoSerivce1" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"  
  38.         destroy-method="close">  
  39.         <property name="service" ref="echoSerivceImpl" />  
  40.         <property name="port" value="9001" />  
  41.         <property name="version" value="1.0.0" />  
  42.         <property name="weight" value="1" />  
  43.         <property name="thriftServerAddressRegister" ref="sericeAddressRegister" />  
  44.     </bean>  
  45.       
  46.     <bean id="echoSerivce2" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"  
  47.         destroy-method="close">  
  48.         <property name="service" ref="echoSerivceImpl" />  
  49.         <property name="port" value="9002" />  
  50.         <property name="version" value="1.0.0" />  
  51.         <property name="weight" value="1" />  
  52.         <property name="thriftServerAddressRegister" ref="sericeAddressRegister" />  
  53.     </bean>  
  54. </beans>  
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
				http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"
	default-lazy-init="false">

	<!-- zookeeper -->
	<bean id="thriftZookeeper" class="cn.slimsmart.thrift.rpc.zookeeper.ZookeeperFactory"
		destroy-method="close">
		<property name="zkHosts"
			value="192.168.36.54:2181,192.168.36.99:2181,192.168.36.189:2181" />
		<property name="namespace" value="cn.slimsmart.thrift.rpc.demo" />
		<property name="connectionTimeout" value="3000" />
		<property name="sessionTimeout" value="3000" />
		<property name="singleton" value="true" />
	</bean>
	<bean id="sericeAddressRegister"
		class="cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressRegisterZookeeper"
		destroy-method="close">
		<property name="zkClient" ref="thriftZookeeper" />
	</bean>
	<bean id="echoSerivceImpl" class="cn.slimsmart.thrift.rpc.demo.EchoSerivceImpl" />

	<bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"
		destroy-method="close">
		<property name="service" ref="echoSerivceImpl" />
		<property name="port" value="9000" />
		<property name="version" value="1.0.0" />
		<property name="weight" value="1" />
		<property name="thriftServerAddressRegister" ref="sericeAddressRegister" />
	</bean>
	
	<bean id="echoSerivce1" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"
		destroy-method="close">
		<property name="service" ref="echoSerivceImpl" />
		<property name="port" value="9001" />
		<property name="version" value="1.0.0" />
		<property name="weight" value="1" />
		<property name="thriftServerAddressRegister" ref="sericeAddressRegister" />
	</bean>
	
	<bean id="echoSerivce2" class="cn.slimsmart.thrift.rpc.ThriftServiceServerFactory"
		destroy-method="close">
		<property name="service" ref="echoSerivceImpl" />
		<property name="port" value="9002" />
		<property name="version" value="1.0.0" />
		<property name="weight" value="1" />
		<property name="thriftServerAddressRegister" ref="sericeAddressRegister" />
	</bean>
</beans>

客户端:spring-context-thrift-client.xml

  1. <?xml version="1.0" encoding="UTF-8"?>  
  2. <beans xmlns="http://www.springframework.org/schema/beans"  
  3.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"  
  4.     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"  
  5.     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd  
  6.                 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd  
  7.                 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd  
  8.                 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"  
  9.     default-lazy-init="false">  
  10.       
  11.     <!-- fixedAddress -->  
  12.     <!--   
  13.     <bean id="fixedAddressProvider" class="cn.slimsmart.thrift.rpc.zookeeper.FixedAddressProvider">  
  14.          <property name="service" value="cn.slimsmart.thrift.rpc.demo.EchoSerivce" />  
  15.          <property name="serverAddress" value="192.168.36.215:9001:1,192.168.36.215:9002:2,192.168.36.215:9003:3" />  
  16.     </bean>  
  17.     <bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceClientProxyFactory">  
  18.         <property name="maxActive" value="5" />  
  19.         <property name="idleTime" value="10000" />  
  20.         <property name="serverAddressProvider" ref="fixedAddressProvider" />  
  21.     </bean>  
  22.    -->  
  23.     <!-- zookeeper   -->  
  24.     <bean id="thriftZookeeper" class="cn.slimsmart.thrift.rpc.zookeeper.ZookeeperFactory"  
  25.         destroy-method="close">  
  26.         <property name="zkHosts"  
  27.             value="192.168.36.54:2181,192.168.36.99:2181,192.168.36.189:2181" />  
  28.         <property name="namespace" value="cn.slimsmart.thrift.rpc.demo" />  
  29.         <property name="connectionTimeout" value="3000" />  
  30.         <property name="sessionTimeout" value="3000" />  
  31.         <property name="singleton" value="true" />  
  32.     </bean>  
  33.     <bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceClientProxyFactory" destroy-method="close">  
  34.         <property name="maxActive" value="5" />  
  35.         <property name="idleTime" value="1800000" />  
  36.         <property name="serverAddressProvider">  
  37.             <bean class="cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProviderZookeeper">  
  38.                 <property name="service" value="cn.slimsmart.thrift.rpc.demo.EchoSerivce" />  
  39.                 <property name="version" value="1.0.0" />  
  40.                 <property name="zkClient" ref="thriftZookeeper" />  
  41.             </bean>  
  42.         </property>  
  43.     </bean>  
  44. </beans>  
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
				http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"
	default-lazy-init="false">
	
	<!-- fixedAddress -->
	<!--	
	<bean id="fixedAddressProvider" class="cn.slimsmart.thrift.rpc.zookeeper.FixedAddressProvider">
		 <property name="service" value="cn.slimsmart.thrift.rpc.demo.EchoSerivce" />
         <property name="serverAddress" value="192.168.36.215:9001:1,192.168.36.215:9002:2,192.168.36.215:9003:3" />
	</bean>
    <bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceClientProxyFactory">
        <property name="maxActive" value="5" />
        <property name="idleTime" value="10000" />
        <property name="serverAddressProvider" ref="fixedAddressProvider" />
    </bean>
   -->
    <!-- zookeeper   -->
    <bean id="thriftZookeeper" class="cn.slimsmart.thrift.rpc.zookeeper.ZookeeperFactory"
		destroy-method="close">
		<property name="zkHosts"
			value="192.168.36.54:2181,192.168.36.99:2181,192.168.36.189:2181" />
		<property name="namespace" value="cn.slimsmart.thrift.rpc.demo" />
		<property name="connectionTimeout" value="3000" />
		<property name="sessionTimeout" value="3000" />
		<property name="singleton" value="true" />
	</bean>
    <bean id="echoSerivce" class="cn.slimsmart.thrift.rpc.ThriftServiceClientProxyFactory" destroy-method="close">
        <property name="maxActive" value="5" />
        <property name="idleTime" value="1800000" />
        <property name="serverAddressProvider">
        	<bean class="cn.slimsmart.thrift.rpc.zookeeper.ThriftServerAddressProviderZookeeper">
        		<property name="service" value="cn.slimsmart.thrift.rpc.demo.EchoSerivce" />
        		<property name="version" value="1.0.0" />
        		<property name="zkClient" ref="thriftZookeeper" />
        	</bean>
        </property>
    </bean>
</beans>

运行服务端后,我们可以看见zookeeper注册了多个服务地址。

 

技术分享
详细实例这里就不详述了,请参考实例代码:https://github.com/slimina/thrift-zookeeper-rpc

关于Thrift设计优化文档:

Thrift RPC服务框架日志的优化

基于zookeeper、连接池、Failover/LoadBalance等改造Thrift 服务化

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原文地址:http://www.cnblogs.com/rainy-shurun/p/5359201.html

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