2.Icegrid v 3.7.6 CPP98/Icegrid/icebox 官方demo学习笔记

Index

• ICE
• • Hello.ice
• 客户端
• • Client.cpp
• Icebox服务共享库
• • HelloI.h
  • HelloI.cpp
  • HelloServiceI.h
  • HelloServiceI.cpp
• 客户端配置
• • config.client
• icegridnode服务配置
• • config.grid
  • application.xml
• 部署
• • 启动icegridnode
  • 部署服务HelloSimpsons
• 测试
• icegridgui

ICE

Hello.ice

#pragma oncemodule Demo
{interface Hello{idempotent void sayHello();}
}

客户端

Client.cpp

#include 
#include using namespace std;
using namespace Demo;//
// Global variable for destroyCommunicator
//
Ice::CommunicatorPtr communicator;//
// Callback for CtrlCHandler
//
void
destroyCommunicator(int)
{communicator->destroy();
}int
main(int argc, char* argv[])
{
#ifdef ICE_STATIC_LIBSIce::registerIceLocatorDiscovery();
#endifint status = 0;try{//// CtrlCHandler must be created before the communicator or any other threads are started//Ice::CtrlCHandler ctrlCHandler;//// CommunicatorHolder's ctor initializes an Ice communicator,// and it's dtor destroys this communicator.//Ice::CommunicatorHolder ich(argc, argv, "config.client");communicator = ich.communicator();//// Destroy communicator on Ctrl-C//ctrlCHandler.setCallback(&destroyCommunicator);//// The communicator initialization removes all Ice-related arguments from argc/argv//if(argc > 1){cerr << argv[0] << ": too many arguments" << endl;status = 1;}else{HelloPrx hello = HelloPrx::uncheckedCast(communicator->propertyToProxy("Hello.Proxy"));if(!hello){cerr << argv[0] << ": invalid or missing Hello.Proxy property" << endl;return 1;}hello->sayHello();}}catch(const std::exception& ex){cerr << ex.what() << endl;status = 1;}return status;
}

Icebox服务共享库

HelloI.h

#ifndef HELLO_I_H
#define HELLO_I_H#include class HelloI : public Demo::Hello
{
public:HelloI(const std::string&);virtual void sayHello(const Ice::Current&);private:// Required to prevent compiler warnings with MSVC++HelloI& operator=(const HelloI&);const std::string _serviceName;
};#endif

HelloI.cpp

#ifdef _MSC_VER
// For getenv
#  define _CRT_SECURE_NO_WARNINGS
#endif#include 
#include using namespace std;HelloI::HelloI(const string& serviceName) :_serviceName(serviceName)
{
}void
HelloI::sayHello(const Ice::Current&)
{char* val = getenv("LANG");string lang = val ? string(val) : "en";string greeting = "Hello, ";if(lang == "fr"){greeting = "Bonjour, ";}else if(lang == "zh"){greeting = "你好, ";}else if(lang == "de"){greeting = "Hallo, ";}else if(lang == "es"){greeting = "Hola, ";}else if(lang == "it"){greeting = "Ciao, ";}cout << greeting << _serviceName << endl;
}

HelloServiceI.h

#ifndef HELLO_SERVICE_I_H
#define HELLO_SERVICE_I_H#include class HelloServiceI : public ::IceBox::Service
{
public:virtual void start(const ::std::string&,const ::Ice::CommunicatorPtr&,const ::Ice::StringSeq&);virtual void stop();private:::Ice::ObjectAdapterPtr _adapter;
};#endif

HelloServiceI.cpp

#include 
#include 
#include using namespace std;extern "C"
{//
// Factory function
//
ICE_DECLSPEC_EXPORT IceBox::Service*
create(Ice::CommunicatorPtr)
{return new HelloServiceI;
}}void
HelloServiceI::start(const string& name, const Ice::CommunicatorPtr& communicator, const Ice::StringSeq& /*args*/)
{_adapter = communicator->createObjectAdapter("Hello-" + name);string helloIdentity = communicator->getProperties()->getProperty("Hello.Identity");Demo::HelloPtr hello = new HelloI(name);_adapter->add(hello, Ice::stringToIdentity(helloIdentity));_adapter->activate();
}void
HelloServiceI::stop()
{_adapter->destroy();
}

客户端配置

config.client

#
# The client reads this property to create the reference to the
# "hello" object in the server.
#
Hello.Proxy=hello#
# The IceGrid locator proxy.
#
Ice.Default.Locator=DemoIceGrid/Locator:default -h localhost -p 4061#
# To use the IceGrid discovery plugin comment out the default locator
# property above and un-comment the two properties below. The discovery
# plugin uses multicast to discover IceGrid.
#
#Ice.Plugin.IceLocatorDiscovery=IceLocatorDiscovery:createIceLocatorDiscovery
#IceLocatorDiscovery.InstanceName=DemoIceGrid

icegridnode服务配置

config.grid

#
# The IceGrid instance name.
#
IceGrid.InstanceName=DemoIceGrid#
# The IceGrid locator proxy.
#
Ice.Default.Locator=DemoIceGrid/Locator:default -h localhost -p 4061#
# IceGrid registry configuration.
#
IceGrid.Registry.Client.Endpoints=default -h localhost -p 4061
IceGrid.Registry.Server.Endpoints=default -h localhost
IceGrid.Registry.Internal.Endpoints=default -h localhost#
# Enable the admin session manager for use with Glacier2.
#
IceGrid.Registry.AdminSessionManager.Endpoints=default -h localhostIceGrid.Registry.LMDB.Path=db/registry
IceGrid.Registry.PermissionsVerifier=DemoIceGrid/NullPermissionsVerifier
IceGrid.Registry.AdminPermissionsVerifier=DemoIceGrid/NullPermissionsVerifier
IceGrid.Registry.SSLPermissionsVerifier=DemoIceGrid/NullSSLPermissionsVerifier
IceGrid.Registry.AdminSSLPermissionsVerifier=DemoIceGrid/NullSSLPermissionsVerifier
IceGrid.Registry.Discovery.Interface=127.0.0.1#
# IceGrid node configuration.
#
IceGrid.Node.Name=node1
IceGrid.Node.Endpoints=default -h localhost
IceGrid.Node.Data=db/node
IceGrid.Node.CollocateRegistry=1
#IceGrid.Node.Output=db
#IceGrid.Node.RedirectErrToOut=1#
# IceMX configuration
#
IceMX.Metrics.Debug.GroupBy=id
IceMX.Metrics.Debug.Disabled=1
IceMX.Metrics.Debug.Reject.parent=Ice\.Admin
IceMX.Metrics.ByParent.GroupBy=parent
IceMX.Metrics.ByParent.Disabled=1#
# Trace properties.
#
IceGrid.Node.Trace.Activator=1
#IceGrid.Node.Trace.Adapter=2
#IceGrid.Node.Trace.Server=3#
# Dummy username and password for icegridadmin.
#
IceGridAdmin.Username=foo
IceGridAdmin.Password=bar

application.xml

<icegrid><application name="HelloSimpsons"><properties id="mx"><property name="IceMX.Metrics.Debug.GroupBy" value="id"/><property name="IceMX.Metrics.Debug.Disabled" value="1"/><property name="IceMX.Metrics.ByParent.GroupBy" value="parent"/><property name="IceMX.Metrics.ByParent.Disabled" value="1"/>properties><service-template id="HelloService"><parameter name="name"/><service name="${name}" entry="./HelloService:create"><description>A very simple service named after ${name}description><properties><properties refid="mx"/><property name="Hello.Identity" value="hello"/>properties><adapter name="Hello-${name}" endpoints="default -h localhost" id="Hello-${name}"replica-group="HelloGroup" server-lifetime="false"/>service>service-template><server-template id="Glacier2"><parameter name="instance-name" default="${application}.Glacier2"/><parameter name="client-endpoints"/><parameter name="server-endpoints"/><parameter name="session-timeout" default="0"/><server id="${instance-name}" activation="manual" exe="glacier2router"><properties><properties refid="mx"/><property name="Glacier2.Client.Endpoints" value="${client-endpoints}"/><property name="Glacier2.Server.Endpoints" value="${server-endpoints}"/><property name="Glacier2.InstanceName" value="${instance-name}"/><property name="Glacier2.SessionTimeout" value="${session-timeout}"/>properties>server>server-template><replica-group id="HelloGroup"><load-balancing type="round-robin" n-replicas="1"/><object identity="hello" type="::Demo::Hello"/>replica-group><node name="node1"><server-instance template="Glacier2"instance-name="DemoGlacier2"client-endpoints="tcp -h localhost -p 4063"server-endpoints="tcp -h localhost"><properties><property name="Glacier2.SessionManager" value="DemoIceGrid/AdminSessionManager"/><property name="Glacier2.PermissionsVerifier" value="DemoGlacier2/NullPermissionsVerifier"/>properties>server-instance><icebox id="IceBox" activation="on-demand" exe="icebox"><description>A sample IceBox serverdescription><properties><properties refid="mx"/><property name="IceBox.Trace.ServiceObserver" value="1"/>properties><service-instance template="HelloService" name="Homer"/><service-instance template="HelloService" name="Marge"/><service-instance template="HelloService" name="Bart"/><service-instance template="HelloService" name="Lisa"/><service-instance template="HelloService" name="Maggie"/><env>LANG=enenv>icebox>node>application>
icegrid>

部署

启动icegridnode

icegridnode --Ice.Config=config.grid

部署服务HelloSimpsons

icegridadmin --Ice.Config=config.grid -e "application add application.xml"

测试

• ./client
  

icegridgui

• 安装:sudo apt install zeroc-icegridgui
• 启动:icegridgui
• 登录（确保icegridnode服务已经启动）
  
• 创建连接
  
  
  
  
  
  
  

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