corrade-vassal – Rev 1
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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using OpenMetaverse;
using OpenMetaverse.Assets;
namespace OpenMetaverse.TestClient
{
public class CreateNotecardCommand : Command
{
const int NOTECARD_CREATE_TIMEOUT = 1000 * 10;
const int NOTECARD_FETCH_TIMEOUT = 1000 * 10;
const int INVENTORY_FETCH_TIMEOUT = 1000 * 10;
public CreateNotecardCommand(TestClient testClient)
{
Name = "createnotecard";
Description = "Creates a notecard from a local text file and optionally embed an inventory item. Usage: createnotecard filename.txt [itemid]";
Category = CommandCategory.Inventory;
}
public override string Execute(string[] args, UUID fromAgentID)
{
UUID embedItemID = UUID.Zero, notecardItemID = UUID.Zero, notecardAssetID = UUID.Zero;
string filename, fileData;
bool success = false, finalUploadSuccess = false;
string message = String.Empty;
AutoResetEvent notecardEvent = new AutoResetEvent(false);
if (args.Length == 1)
{
filename = args[0];
}
else if (args.Length == 2)
{
filename = args[0];
UUID.TryParse(args[1], out embedItemID);
}
else
{
return "Usage: createnotecard filename.txt";
}
if (!File.Exists(filename))
return "File \"" + filename + "\" does not exist";
try { fileData = File.ReadAllText(filename); }
catch (Exception ex) { return "Failed to open " + filename + ": " + ex.Message; }
#region Notecard asset data
AssetNotecard notecard = new AssetNotecard();
notecard.BodyText = fileData;
// Item embedding
if (embedItemID != UUID.Zero)
{
// Try to fetch the inventory item
InventoryItem item = FetchItem(embedItemID);
if (item != null)
{
notecard.EmbeddedItems = new List<InventoryItem> { item };
notecard.BodyText += (char)0xdbc0 + (char)0xdc00;
}
else
{
return "Failed to fetch inventory item " + embedItemID;
}
}
notecard.Encode();
#endregion Notecard asset data
Client.Inventory.RequestCreateItem(Client.Inventory.FindFolderForType(AssetType.Notecard),
filename, filename + " created by OpenMetaverse TestClient " + DateTime.Now, AssetType.Notecard,
UUID.Random(), InventoryType.Notecard, PermissionMask.All,
delegate(bool createSuccess, InventoryItem item)
{
if (createSuccess)
{
#region Upload an empty notecard asset first
AutoResetEvent emptyNoteEvent = new AutoResetEvent(false);
AssetNotecard empty = new AssetNotecard();
empty.BodyText = "\n";
empty.Encode();
Client.Inventory.RequestUploadNotecardAsset(empty.AssetData, item.UUID,
delegate(bool uploadSuccess, string status, UUID itemID, UUID assetID)
{
notecardItemID = itemID;
notecardAssetID = assetID;
success = uploadSuccess;
message = status ?? "Unknown error uploading notecard asset";
emptyNoteEvent.Set();
});
emptyNoteEvent.WaitOne(NOTECARD_CREATE_TIMEOUT, false);
#endregion Upload an empty notecard asset first
if (success)
{
// Upload the actual notecard asset
Client.Inventory.RequestUploadNotecardAsset(notecard.AssetData, item.UUID,
delegate(bool uploadSuccess, string status, UUID itemID, UUID assetID)
{
notecardItemID = itemID;
notecardAssetID = assetID;
finalUploadSuccess = uploadSuccess;
message = status ?? "Unknown error uploading notecard asset";
notecardEvent.Set();
});
}
else
{
notecardEvent.Set();
}
}
else
{
message = "Notecard item creation failed";
notecardEvent.Set();
}
}
);
notecardEvent.WaitOne(NOTECARD_CREATE_TIMEOUT, false);
if (finalUploadSuccess)
{
Logger.Log("Notecard successfully created, ItemID " + notecardItemID + " AssetID " + notecardAssetID, Helpers.LogLevel.Info);
return DownloadNotecard(notecardItemID, notecardAssetID);
}
else
return "Notecard creation failed: " + message;
}
private InventoryItem FetchItem(UUID itemID)
{
InventoryItem fetchItem = null;
AutoResetEvent fetchItemEvent = new AutoResetEvent(false);
EventHandler<ItemReceivedEventArgs> itemReceivedCallback =
delegate(object sender, ItemReceivedEventArgs e)
{
if (e.Item.UUID == itemID)
{
fetchItem = e.Item;
fetchItemEvent.Set();
}
};
Client.Inventory.ItemReceived += itemReceivedCallback;
Client.Inventory.RequestFetchInventory(itemID, Client.Self.AgentID);
fetchItemEvent.WaitOne(INVENTORY_FETCH_TIMEOUT, false);
Client.Inventory.ItemReceived -= itemReceivedCallback;
return fetchItem;
}
private string DownloadNotecard(UUID itemID, UUID assetID)
{
AutoResetEvent assetDownloadEvent = new AutoResetEvent(false);
byte[] notecardData = null;
string error = "Timeout";
Client.Assets.RequestInventoryAsset(assetID, itemID, UUID.Zero, Client.Self.AgentID, AssetType.Notecard, true,
delegate(AssetDownload transfer, Asset asset)
{
if (transfer.Success)
notecardData = transfer.AssetData;
else
error = transfer.Status.ToString();
assetDownloadEvent.Set();
}
);
assetDownloadEvent.WaitOne(NOTECARD_FETCH_TIMEOUT, false);
if (notecardData != null)
return Encoding.UTF8.GetString(notecardData);
else
return "Error downloading notecard asset: " + error;
}
}
}
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