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Added assets service method AssetsExist(), which returns whether the given list of assets exist.

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This method is used to optimize sending assets with embedded assets: e.g., when a Hypergrid visitor takes an item into the inventory.
This commit is contained in:
Oren Hurvitz
2014-03-31 11:53:12 +03:00
parent ac16a667e1
commit d1c3f8eef5
25 changed files with 579 additions and 179 deletions
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50
OpenSim/Framework/Util.cs
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@@ -52,6 +52,8 @@ using OpenMetaverse;
using OpenMetaverse.StructuredData;
using Amib.Threading;
using System.Collections.Concurrent;
using System.Collections.Specialized;
using System.Web;
namespace OpenSim.Framework
{
@@ -865,6 +867,54 @@ namespace OpenSim.Framework
return null;
}
/// <summary>
/// Parses a foreign asset ID.
/// </summary>
/// <param name="id">A possibly-foreign asset ID: http://grid.example.com:8002/00000000-0000-0000-0000-000000000000 </param>
/// <param name="url">The URL: http://grid.example.com:8002</param>
/// <param name="assetID">The asset ID: 00000000-0000-0000-0000-000000000000. Returned even if 'id' isn't foreign.</param>
/// <returns>True: this is a foreign asset ID; False: it isn't</returns>
public static bool ParseForeignAssetID(string id, out string url, out string assetID)
{
url = String.Empty;
assetID = String.Empty;
UUID uuid;
if (UUID.TryParse(id, out uuid))
{
assetID = uuid.ToString();
return false;
}
if ((id.Length == 0) || (id[0] != 'h' && id[0] != 'H'))
return false;
Uri assetUri;
if (!Uri.TryCreate(id, UriKind.Absolute, out assetUri) || assetUri.Scheme != Uri.UriSchemeHttp)
return false;
// Simian
if (assetUri.Query != string.Empty)
{
NameValueCollection qscoll = HttpUtility.ParseQueryString(assetUri.Query);
assetID = qscoll["id"];
if (assetID != null)
url = id.Replace(assetID, ""); // Malformed again, as simian expects
else
url = id; // !!! best effort
}
else // robust
{
url = "http://" + assetUri.Authority;
assetID = assetUri.LocalPath.Trim(new char[] { '/' });
}
if (!UUID.TryParse(assetID, out uuid))
return false;
return true;
}
/// <summary>
/// Removes all invalid path chars (OS dependent)
/// </summary>