Thrift交流（一）简单的Thrift

Thrift是一个可伸缩的跨语言的服务开发框架，是facebook开发的一个跨语言通信平台。为各种语言提供快捷的rpc服务。现阶段已经支持C++,
Java, Python, PHP, Ruby, Erlang, Perl, Haskell, C#, Cocoa, Smalltalk, and OCaml等语言。在近来的工作中，重新学习Thrift通信的内容，和大家做个简单的交流。

Thrift示意图



1）安装Thrift环境

Thrift的环境的安装并不复杂，我们现在以最简单的windows环境做个案例。

首先在官方网站下载最新的thrift exe文件，http://thrift.apache.org/download/

然后把exe文件改名为thrift.exe,放在了windows的目录下，如图所示：



接着配置thrift环境变量：



测试Thrift运行环境：



2）编写Thrift文件

thrift文件如下

namespace java thrift  // defines the namespace

typedef i32 int  //typedefs to get convenient names for your types

service ThriftService {
int add(1:int a,2:int b),
}

通过命令行执行Thrift文件，并生成



3）建立Thrift工程

首先建立maven工程，把如下内容加到pom.xml

<dependency>
<groupId>org.apache.thrift</groupId>
<artifactId>libthrift</artifactId>
<version>0.9.0</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.7.5</version>
</dependency>

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>

编写ThriftService的实现类：



代码如下：

package thrift;

import org.apache.thrift.TException;

public class ThriftServiceImpl implements Iface {

@Override
public int add(int a, int b) throws TException {
return a + b;
}

}

4）编写服务器及测试

package com.duowan.yy.thriftTest;

import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TBinaryProtocol.Factory;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TSimpleServer;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TTransportException;

import thrift.ThriftService;
import thrift.ThriftServiceImpl;

public class ThriftServer {
public static void main(String[] args) {
try {
TServerSocket serverTransport = new TServerSocket(7911);

Factory proFactory = new TBinaryProtocol.Factory();

TProcessor processor = new ThriftService.Processor<ThriftService.Iface>(
new ThriftServiceImpl());
TServer.Args tArgs = new TServer.Args(serverTransport);
tArgs.processor(processor);
tArgs.protocolFactory(proFactory);

TServer server = new TSimpleServer(tArgs);
System.out.println("Start server on port 7911....");
server.serve();
} catch (TTransportException e) {
e.printStackTrace();
}
}
}

测试启动：



编写测试类：

package com.duowan.yy.thriftTest;

import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;

import thrift.ThriftService;

public class Test {

/**
* @param args
*/
public static void main(String[] args) {
try {
TTransport transport = new TSocket("localhost", 7911);
transport.open();
TProtocol protocol = new TBinaryProtocol(transport);
ThriftService.Client client = new ThriftService.Client(protocol);
System.out.println(client.add(77, 5));
transport.close();

} catch (TTransportException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (TException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}

效果如下：



简单的Thrift之旅已经完成了，希望大家玩的开心。

Thrift交流（二）thrift服务端和客户端实现
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