xenadmin/XenAdmin/Diagnostics/Checks/DiskSpaceForBatchUpdatesCheck.cs

/* Copyright (c) Citrix Systems Inc. 
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 *     following disclaimer. 
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using System;
using XenAPI;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Core;
using System.IO;
using XenAdmin.Diagnostics.Problems.HostProblem;
using System.Text.RegularExpressions;
using System.Xml;
using System.Collections.Generic;
using XenAdmin.Actions;
using System.Linq;


namespace XenAdmin.Diagnostics.Checks
{
    class DiskSpaceForBatchUpdatesCheck : Check
    {
        private readonly long size = 0;

        public DiskSpaceForBatchUpdatesCheck(Host host, long size)
            : base(host)
        {
            this.size = size;
        }

        protected override Problem RunCheck()
        {
            if (!Host.IsLive)
                return new HostNotLiveWarning(this, Host);

            if (!Host.Connection.IsConnected)
                throw new EndOfStreamException(Helpers.GetName(Host.Connection));

            Session session = Host.Connection.DuplicateSession();

            if (Helpers.CreamOrGreater(Host.Connection))
            {
                var action = new GetDiskSpaceRequirementsAction(Host, size, true);

                try
                {
                    action.RunExternal(action.Session);
                }
                catch
                {
                    log.WarnFormat("Could not get disk space requirements");
                }

                if (action.Succeeded && action.DiskSpaceRequirements.AvailableDiskSpace < size)
                    return new HostOutOfSpaceProblem(this, Host, null, action.DiskSpaceRequirements);
            }

            return null;
            
        }

        public override string Description
        {
            get { return Messages.SERVER_SIDE_CHECK_AUTO_MODE_DESCRIPTION; }
        }

        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
    }
}