Jprotobuf-rpc-socket

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Protobuf RPC是一种基于TCP协议的二进制高性能RPC通信协议实现。它以Protobuf作为基本的数据交换格式，支持完全基于POJO的发布方式，极大的简化了开发复杂性。
Features:

完全支持POJO方式发布，使用非常简单
内置连接池，具备更高的性能，低延迟 QPS: 5w+
支持自动重连功能
Client支持Ha的负载均衡功能
支持附件发送
压缩功能，支持GZip与Snappy
支持多包拆分与合并功能
支持多级超时设定，灵活控制请求超时时间
支持RPC服务元数据动态生成，简单易用
集成内置HTTP管理功能(3.1.1版本+)

关联项目： https://github.com/jhunters/jprotobuf
golang 协议实现: https://github.com/baidu-golang/baidurpc

使用示例

环境要求：JDK 6+

<dependency> 
	<groupId>com.baidu</groupId>
	<artifactId>jprotobuf-rpc-core</artifactId>
	<version>4.2.1</version>
</dependency>

<!-- 提供spring扩展 -->
<dependency>
	<groupId>com.baidu</groupId>
	<artifactId>jprotobuf-rpc-core-spring</artifactId>
	<version>4.2.1</version>
</dependency>

<!-- 提供spring boot扩展 -->
<dependency>
	<groupId>com.baidu</groupId>
	<artifactId>jprotobuf-rpc-spring-starter</artifactId>
	<version>4.2.1</version>
</dependency>

<!-- 基于redis实现服务注册，发现功能 -->
<dependency>
	<groupId>com.baidu</groupId>
	<artifactId>jprotobuf-rpc-registry-redis</artifactId>
	<version>4.2.1</version>
</dependency>

使用Jprotobuf pre compile插件进行预编译，提升启动速度

    <plugin>
        <groupId>com.baidu</groupId>
        <artifactId>jprotobuf-precompile-plugin</artifactId>
        <version>1.2.8</version>
        <configuration>
            <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
            <filterClassPackage>com.baidu</filterClassPackage>
        </configuration>
        <executions>
            <execution>
                <phase>compile</phase>
                <goals>
                    <goal>precompile</goal>
                </goals>
            </execution>
        </executions>
    </plugin>

filterClassPackage 用来指定进行预编译时需要扫描的package,目前只支持配置一个package名称
maven执行命令如下:

mvn jprotobuf:precompile
or
mvn package

下载发行包

Qucik Start

Jprotobuf-rpc-socket基于JProtobuf基础上开发，可帮助大家开发中省去编写Google Protobuf的IDL描述文件的过程。

客户端开发

1.EchoService功用实现

EchoService 提供一个echo方法，参数对象EchoInfo只有一个message属性。下面是EchoInfo对象定义

public class EchoInfo {
    
    @Protobuf
    public String message;
}

注解方式的定义可以极大简化大家的工作量，上面等同于下面的IDEL配置

package pkg;  

option java_package = "com.baidu.bjf.remoting.protobuf.rpc";

//这里声明输出的java的类名  
option java_outer_classname = "EchoInfo";  

message InterClassName {  
  required string message = 1;
}

2.定义EchoService接口

public interface EchoService {

    /**
     * To define a RPC client method. <br>
     * serviceName is "echoService"
     * methodName is use default method name "echo"
     * onceTalkTimeout is 200 milliseconds
     * 
     * @param info
     * @return
     */
    @ProtobufRPC(serviceName = "echoService", onceTalkTimeout = 200)
    EchoInfo echo(EchoInfo info);
}

RPC的方法必须要指定@ProtobufRPC注解. serviceName与methodName要与服务端保持一致。这里未指定methodName，则使用方法的名称 "echo"

3.创建RPC Client进行访问

RpcClient rpcClient = new RpcClient();
// 创建EchoService代理
ProtobufRpcProxy<EchoService> pbrpcProxy = new ProtobufRpcProxy<EchoService>(rpcClient, EchoService.class);
pbrpcProxy.setPort(1031);
// 动态生成代理实例
EchoService echoService = pbrpcProxy.proxy();
EchoInfo request = new EchoInfo();
request.message = "hello";
EchoInfo response = echoService.echo(request);
rpcClient.stop();

服务端开发

1.开发服务实现类

public class EchoServiceImpl {

    @ProtobufRPCService(serviceName = "echoService", methodName = "echo")
    public EchoInfo doEcho(EchoInfo info) {
        EchoInfo ret = new EchoInfo();
        ret.setMessage("hello:" + info.message);
        
        return ret;
    }
}

服务发布的RPC方法必须用@ProtobufPRCService注解进行标识

2.发布RPC服务

	RpcServer rpcServer = new RpcServer();
	
	EchoServiceImpl echoServiceImpl = new EchoServiceImpl();
	rpcServer.registerService(echoServiceImpl);
	rpcServer.start(1031);

上面的代码实现把 EchoServiceImpl 的RPC服务发布出去

更多使用说明

性能测试

机器配置：

Linux 64G内存 6核 12线程
Intel(R) Xeon(R) CPU E5645 @ 2.40GHz

性能测试结果如下(客户端与服务端部署在同一台机器中)：单线程：平均QPS: 9000+ 多线程：QPS: 最高 40000+

---------------------Performance Result-------------------------
send byte size: 44;receive byte size: 50
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|               11807|                     0|                8469|                   1|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 44;receive byte size: 50
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|               10407|                     0|                9608|                   1|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 1139;receive byte size: 1139
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|               11513|                     0|                8685|                   1|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 44;receive byte size: 50
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|                5904|                     0|               16937|                   2|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 44;receive byte size: 50
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|                3754|                     0|               26638|                   4|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 44;receive byte size: 50
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|                1736|                     0|               57603|                  20|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 1139;receive byte size: 1139
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|                2381|                     0|               41999|                  20|
---------------------Performance Result-------------------------
---------------------Performance Result-------------------------
send byte size: 1139;receive byte size: 1139
|         total count|       time took(ms)|           average(ms)|                 QPS|             threads|
|              100000|                2012|                     0|               49701|                  40|
---------------------Performance Result-------------------------

License

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

baidu/Jprotobuf-rpc-socket

baidu

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