IPC 통신기법 (channel을 통한 IPC 통신방법)

- Client 소스 예.
using System;
using System.Runtime.Remoting.Channels.Ipc;
using System.Security.Permissions;
using dllobject;

public class Client
{
    [SecurityPermission(SecurityAction.Demand)]
    public static void Main(string[] args)
    {
        // Create the channel.
        IpcChannel channel = new IpcChannel();

        // Register the channel.
        System.Runtime.Remoting.Channels.ChannelServices.
            RegisterChannel(channel);

        // Register as client for remote object.
        System.Runtime.Remoting.WellKnownClientTypeEntry remoteType =
            new System.Runtime.Remoting.WellKnownClientTypeEntry(
                typeof(RemoteObject),
                "ipc://localhost:9090/RemoteObject.rem");
        System.Runtime.Remoting.RemotingConfiguration.
            RegisterWellKnownClientType(remoteType);

        // Create a message sink.
        string objectUri;
        System.Runtime.Remoting.Messaging.IMessageSink messageSink =
            channel.CreateMessageSink(
                "ipc://localhost:9090/RemoteObject.rem", null,
                out objectUri);
        Console.WriteLine("The URI of the message sink is {0}.",
            objectUri);
        if (messageSink != null)
        {
            Console.WriteLine("The type of the message sink is {0}.",
                messageSink.GetType().ToString());
        }

        // Create an instance of the remote object.
        RemoteObject service = new RemoteObject();

        // Invoke a method on the remote object.
        Console.WriteLine("The client is invoking the remote object.");
        while (true)
        {
            try
            {
                Console.WriteLine("The remote object has been called {0} times.",
                    service.GetCount());
            }
            catch
            {
                Console.WriteLine("channel fail...");
            }
        }
    }
}

- Server 소스 예제.
using System;
using System.Runtime.Remoting.Channels.Ipc;
using System.Security.Permissions;
using dllobject;

public class Server
{
    [SecurityPermission(SecurityAction.Demand)]
    public static void Main(string[] args)
    {
        try
        {
            // Create the server channel.
            IpcChannel serverChannel =
                new IpcChannel("localhost:9090");

            // Register the server channel.
            System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(
                serverChannel);

            // Show the name of the channel.
            Console.WriteLine("The name of the channel is {0}.",
                serverChannel.ChannelName);

            // Show the priority of the channel.
            Console.WriteLine("The priority of the channel is {0}.",
                serverChannel.ChannelPriority);

            // Show the URIs associated with the channel.
            System.Runtime.Remoting.Channels.ChannelDataStore channelData =
                (System.Runtime.Remoting.Channels.ChannelDataStore)
                serverChannel.ChannelData;
            foreach (string uri in channelData.ChannelUris)
            {
                Console.WriteLine("The channel URI is {0}.", uri);
            }

            // Expose an object for remote calls.
            System.Runtime.Remoting.RemotingConfiguration.
                RegisterWellKnownServiceType(
                    typeof(RemoteObject), "RemoteObject.rem",
                    System.Runtime.Remoting.WellKnownObjectMode.Singleton);

            // Parse the channel's URI.
            string[] urls = serverChannel.GetUrlsForUri("RemoteObject.rem");
            if (urls.Length > 0)
            {
                string objectUrl = urls[0];
                string objectUri;
                string channelUri = serverChannel.Parse(objectUrl, out objectUri);
                Console.WriteLine("The object URI is {0}.", objectUri);
                Console.WriteLine("The channel URI is {0}.", channelUri);
                Console.WriteLine("The object URL is {0}.", objectUrl);
            }
        }
        catch
        {
            Console.WriteLine("error....");
        }
        // Wait for the user prompt.
        Console.WriteLine("Press ENTER to exit the server.");
        Console.ReadLine();
        Console.WriteLine("The server is exiting.");
    }
}

- object 소스 예제.(DLL)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace dllobject
{
    public class RemoteObject : MarshalByRefObject
    {
        private int callCount = 0;

        public int GetCount()
        {
            Console.WriteLine("공유 안되구만...");
            callCount++;
            return (callCount);
        }
    }
}

좀전에 한 tcp와 비교해서 뭐가 틀린지 분석해 보자.
아 정말 프로세스 통신은 이해가 될까말까  하구만...