xenadmin/XenModel/XenAPI-Extensions/Blob.cs

/* Copyright (c) Citrix Systems Inc. 
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 * 
 * Redistribution and use in source and binary forms, 
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 *     following disclaimer. 
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 *     following disclaimer in the documentation and/or other 
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 * 
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
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 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
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using System;
using System.IO;
using XenAdmin;

namespace XenAPI
{
    public partial class Blob
    {
        private const String BLOB_URI = "/blob";

        public void Save(Stream inStream, Session session)
        {
            //Program.AssertOffEventThread();

            if (session == null)
                throw new IOException();
            UriBuilder uri = new UriBuilder();
            uri.Scheme = Connection.UriScheme;
            uri.Host = Connection.Hostname;
            uri.Port = Connection.Port;
            uri.Path = BLOB_URI;
            uri.Query = String.Format("ref={0}&session_id={1}",
                opaque_ref, Uri.EscapeDataString(session.uuid));

            using (Stream outStream = HTTPHelper.PUT(uri.Uri, inStream.Length, true))
            {
                HTTP.CopyStream(inStream, outStream, null, delegate() { return XenAdminConfigManager.Provider.ForcedExiting; });
            }
        }

        public Stream Load()
        {
            //Program.AssertOffEventThread();

            Session session = Connection.Session;
            if (session == null)
                throw new IOException();
            UriBuilder uri = new UriBuilder();
            uri.Scheme = Connection.UriScheme;
            uri.Host = Connection.Hostname;
            uri.Port = Connection.Port;
            uri.Path = BLOB_URI;
            uri.Query = String.Format("ref={0}&session_id={1}",
                opaque_ref, Uri.EscapeDataString(session.uuid));

            return HTTPHelper.GET(uri.Uri, Connection, true);
        }
    }
}