supersocket/SocketEngin/BootstrapFactory.cs 详解

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using SuperSocket.SocketBase;

using SuperSocket.SocketEngine.Configuration;

using SuperSocket.SocketBase.Config;

using System.Configuration;

namespace SuperSocket.SocketEngine

{

    /// <summary>

    /// Bootstrap Factory

    /// </summary>

    public static class BootstrapFactory

    {

        /// <summary>

        /// Creates the bootstrap.

        /// </summary>

        /// <param name="config">The config.</param>

        /// <returns></returns>

        public static IBootstrap CreateBootstrap(IConfigurationSource config)

        {

            if (config == null)

                throw new ArgumentNullException("config");

            if (config.Isolation == IsolationMode.AppDomain)

                return new AppDomainBootstrap(config);

            else if (config.Isolation == IsolationMode.Process)

                return new ProcessBootstrap(config);

            else

                return new DefaultBootstrap(config);

        }

        /// <summary>

        /// Creates the bootstrap from app configuration's socketServer section.

        /// </summary>

        /// <returns></returns>

        public static IBootstrap CreateBootstrap()

        {

            var configSection = ConfigurationManager.GetSection("superSocket");

            if (configSection == null)//to keep compatible with old version

                configSection = ConfigurationManager.GetSection("socketServer");

            if(configSection == null)

                throw new ConfigurationErrorsException("Missing 'superSocket' or 'socketServer' configuration section.");

            var configSource = configSection as IConfigurationSource;

            if(configSource == null)

                throw new ConfigurationErrorsException("Invalid 'superSocket' or 'socketServer' configuration section.");

            return CreateBootstrap(configSource);

        }

        /// <summary>

        /// Creates the bootstrap.

        /// </summary>

        /// <param name="configSectionName">Name of the config section.</param>

        /// <returns></returns>

        public static IBootstrap CreateBootstrap(string configSectionName)

        {

            var configSource = ConfigurationManager.GetSection(configSectionName) as IConfigurationSource;

            if (configSource == null)

                throw new ArgumentException("Invalid section name.");

            return CreateBootstrap(configSource);

        }

        /// <summary>

        /// Creates the bootstrap from configuration file.

        /// </summary>

        /// <param name="configFile">The configuration file.</param>

        /// <returns></returns>

        public static IBootstrap CreateBootstrapFromConfigFile(string configFile)

        {

            ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap();

            fileMap.ExeConfigFilename = configFile;

            var config = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);

            var configSection = config.GetSection("superSocket");

            if (configSection == null)

                configSection = config.GetSection("socketServer");

            return CreateBootstrap(configSection as IConfigurationSource);

        }

    }

}