xenadmin/XenModel/Actions/Host/ApplyLicenseAction.cs

/* Copyright (c) Citrix Systems, Inc. 
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 *     following disclaimer. 
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
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using System;
using System.IO;
using XenAPI;

namespace XenAdmin.Actions
{
    public class ApplyLicenseAction : AsyncAction
    {
        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        private readonly String Filepath;

        public ApplyLicenseAction(Host host, string filepath)
            : base(host.Connection, string.Format(Messages.APPLYLICENSE_TITLE, host.Name()), Messages.APPLYLICENSE_PREP)
        {
            this.Host = host;
            this.Filepath = filepath;
        }

        protected override void Run()
        {
            SafeToExit = false;
            if (Connection.IsConnected)
            {
                if (!File.Exists(Filepath))
                {
                    throw new Exception(Messages.LICENSE_FILE_DOES_NOT_EXIST);
                }
                if (new FileInfo(Filepath).Length > 1048576)
                {
                    throw new Exception(Messages.LICENSE_FILE_TOO_LARGE);
                }

                string encodedContent = Convert.ToBase64String(File.ReadAllBytes(Filepath));

                Description = string.Format(Messages.APPLYLICENSE_APPLYING, Filepath);
                log.DebugFormat("Applying license to server {0}", Host.Name());
                RelatedTask = Host.async_license_apply(Session, Host.opaque_ref, encodedContent);
                PollToCompletion();
                Description = Messages.APPLYLICENSE_APPLIED;
            }
        }
    }
}