ICE Mini Grid

imxylz — Tue, 22 May 2012 11:47:00 GMT

ICE Grid 入门篇

这篇是ICE Grid入门的最简单版本(不涉及到IceGride Node)。这里面设计到过多的概念和知识，暂且不表。

创建slice文件

Printer.ice

转换slice

slice2cpp Printer.ice

配置IceGrid Registry
registry.cfg

IceGrid.InstanceName=DemoGrid

Ice.Default.Locator=DemoGrid/Locator:default -p 4061

IceGrid.Registry.Client.Endpoints=tcp -p 4061
IceGrid.Registry.Server.Endpoints=tcp
IceGrid.Registry.Internal.Endpoints=tcp
IceGrid.Registry.PermissionsVerifier=DemoGrid/NullPermissionsVerifier
IceGrid.Registry.AdminPermissionsVerifier=DemoGrid/NullPermissionsVerifier
IceGrid.Registry.SSLPermissionsVerifier=DemoGrid/NullSSLPermissionsVerifier
IceGrid.Registry.AdminSSLPermissionsVerifier=DemoGrid/NullSSLPermissionsVerifier
IceGrid.Registry.Data=./data
IceGrid.Registry.DynamicRegistration=1

启动Registry

icegridregistry --Ice.Config=./registry.cfg &

启动前最好创建数据目录./data

mkdir ./data

服务端

PrinterI.h

PrinterI.cpp

Server.cpp

1 #include
2 #include
3
4 using namespace std;
5
6 class Server : public Ice::Application {
7
8     public:
9         virtual int run(int argc,char* argv[]);
10 };
11
12 int main(int argc,char* argv[]){
13
14     Server app;
15     int status = app.main(argc,argv,"server.cfg");
16     return status;
17 }
18
19 int Server::run(int argc,char* argv[]){
20     if(argc>1){
21         cerr< 22         return EXIT_FAILURE;
23     }
24
25     Ice::PropertiesPtr properties = communicator()->getProperties();
26     Ice::ObjectAdapterPtr adapter = communicator()->createObjectAdapter("PrinterAdapter");
27     Ice::Identity id = communicator()->stringToIdentity("printer");
28     Demo::PrinterPtr printer = new PrinterI();
29     adapter->add(printer,id);
30     adapter->activate();
31     communicator()->waitForShutdown();
32     return EXIT_SUCCESS;
33 }
34

编译

c++ -I. -I$ICE_HOME/include -c PrinterI.cpp Printer.cpp Server.cpp

连接

c++ -o server Printer.o Server.o PrinterI.o -L$ICE_HOME/lib -lIce -lIceUtil -lpthread

服务端配置
server.cfg

PrinterAdapter.AdapterId=PrinterAdapter
PrinterAdapter.Endpoints=default
Ice.Default.Locator=DemoGrid/Locator:tcp -p 4061

运行服务端

./server

客户端

Client.cpp

1 //**********************************************************************
2 //
3 // Copyright (c) 2012 Ady Liu. All rights reserved.
4 //
5 // Email: imxylz@gmail.com
6 //
7 //**********************************************************************
8
9 #include
10 #include
11 #include
12
13 using namespace std;
14 using namespace Demo;
15
16 int main(int argc,char* argv[]){
17     int status = 0;
18     Ice::CommunicatorPtr ic;
19     PrinterPrx printer;
20     try{
21         ic = Ice::initialize(argc,argv);
22         cout<<"Printer Proxy=>"<stringToProxy("printer@PrinterAdapter")< 23
24         try{
25            printer = PrinterPrx::checkedCast(ic->stringToProxy("printer@PrinterAdapter"));
26         }catch(const Ice::NotRegisteredException&){
27             IceGrid::QueryPrx query = IceGrid::QueryPrx::checkedCast(ic->stringToProxy("DemoGrid/Query"));
28             printer = PrinterPrx::checkedCast(query->findObjectByType("::Demo::Printer"));
29         }
30         if(!printer){
31             cerr<<": could't find a `::Demo::Printer` object."< 32             if(ic){
33                 ic->destroy();
34             }
35             return EXIT_FAILURE;
36         }
37         printer->printString("Hello world!");
38     }catch(const Ice::Exception& ex){
39         cerr << ex << endl;
40         status = 1;
41     }catch(const char* msg){
42         cerr << msg << endl;
43         status = 2;
44     }
45     if(ic){
46         ic->destroy();
47     }
48     return status;
49 }
50

编译

c++ -I. -I$ICE_HOME/include -c Printer.cpp Client.cpp

连接

c++ -o client Printer.o Client.o -L$ICE_HOME/lib -lIce -lIceUtil -lIceGrid -lGlacier2 -lpthread

客户端配置
client.cfg

Ice.Default.Locator=DemoGrid/Locator:default -p 4061

运行客户端

./client --Ice.Config=./client.cfg

所有文件

grid
├── client.cfg
├── Client.cpp
├── Printer.cpp
├── Printer.h
├── PrinterI.cpp
├── PrinterI.h
├── registry.cfg
├── server.cfg
└── Server.cpp

所有文件下载: Ice Mini Guide

imxylz 2012-05-22 19:47 发表评论

ICE Mini Guide

imxylz — Wed, 29 Feb 2012 02:44:00 GMT

最近开始在团队内推广ICE中间件。

ICE作为一个异构平台，提供了高性能的RPC解决方案。全年指定的架构计划中就是将现有的内部通讯方式迁移到ICE+Protocol Buffers的组合方案中。
我们尽可能的利用Zookeeper的配置管理，创建更透明的客户端代理，同时也是降低开发的难度。
我们慢慢尝试，寻找更适合我们的分布式通讯中间件。

下面的Slide是一篇简短的入门介绍。目前为止，我们的开发还是仅限于Java语言的服务端。以后视情况提供一些其它语言的服务端吧。

Ice mini guide

View more presentations from Ady Lau

关键字：ICE "The Internet Communications Engine" RPC "Protocol Buffers"

imxylz 2012-02-29 10:44 发表评论

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