1dcc08735c
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@160 52acb1d6-8a22-11de-b505-999d5b087335
456 lines
12 KiB
C#
456 lines
12 KiB
C#
using System;
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using System.Collections;
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using libsecondlife;
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using libsecondlife.InventorySystem;
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using libsecondlife.Packets;
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namespace libsecondlife.AssetSystem
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{
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/// <summary>
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/// Summary description for AssetManager.
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/// </summary>
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public class AssetManager
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{
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public const int SINK_FEE_IMAGE = 1;
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private SecondLife slClient;
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private Hashtable htUploadRequests = new Hashtable();
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private Hashtable htDownloadRequests = new Hashtable();
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private class TransferRequest
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{
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public bool Completed;
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public bool Status;
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public string StatusMsg;
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public int Size;
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public int Received;
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public int LastPacket;
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public byte[] AssetData;
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}
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internal AssetManager( SecondLife client )
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{
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slClient = client;
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// Used to upload small assets, or as an initial start packet for large transfers
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PacketCallback AssetUploadCompleteCallback = new PacketCallback(AssetUploadCompleteCallbackHandler);
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slClient.Network.RegisterCallback("AssetUploadComplete", AssetUploadCompleteCallback);
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// Transfer Packets for downloading large assets
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PacketCallback TransferInfoCallback = new PacketCallback(TransferInfoCallbackHandler);
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slClient.Network.RegisterCallback("TransferInfo", TransferInfoCallback);
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PacketCallback TransferPacketCallback = new PacketCallback(TransferPacketCallbackHandler);
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slClient.Network.RegisterCallback("TransferPacket", TransferPacketCallback);
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// XFer packets for uploading large assets
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PacketCallback ConfirmXferPacketCallback = new PacketCallback(ConfirmXferPacketCallbackHandler);
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slClient.Network.RegisterCallback("ConfirmXferPacket", ConfirmXferPacketCallback);
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PacketCallback RequestXferCallback = new PacketCallback(RequestXferCallbackHandler);
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slClient.Network.RegisterCallback("RequestXfer", RequestXferCallback);
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}
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/*
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----- MoneyTransferRequest -----
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MoneyData
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AggregatePermInventory: 0
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AggregatePermNextOwner: 0
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DestID: 00000000000000000000000000000000
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Amount: 10
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Flags: 0
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SourceID: 25472683cb324516904a6cd0ecabf128
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TransactionType: 1101
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AgentData
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AgentID: 25472683cb324516904a6cd0ecabf128
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SessionID: 7395ab89cadf4f638c5f28630c0e75d2
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*/
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public void SinkFee( int sinkType )
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{
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switch( sinkType )
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{
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case SINK_FEE_IMAGE:
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slClient.Avatar.GiveMoney( new LLUUID(), 10, "Image Upload" );
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break;
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default:
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throw new Exception("AssetManager: Unknown sinktype (" + sinkType + ")");
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}
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}
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public void UploadAsset( Asset asset )
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{
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Packet packet;
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TransferRequest tr = new TransferRequest();
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tr.Completed = false;
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htUploadRequests[asset.AssetID] = tr;
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if( asset.AssetData.Length > 500 )
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{
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packet = AssetPackets.AssetUploadRequestHeaderOnly(slClient.Protocol, asset);
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slClient.Network.SendPacket(packet);
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tr.AssetData = asset.AssetData;
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}
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else
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{
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packet = AssetPackets.AssetUploadRequest(slClient.Protocol, asset);
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slClient.Network.SendPacket(packet);
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}
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while( tr.Completed == false )
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{
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slClient.Tick();
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}
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if( tr.Status == false )
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{
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throw new Exception( tr.StatusMsg );
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} else {
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if( asset.Type == Asset.ASSET_TYPE_IMAGE )
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{
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SinkFee( SINK_FEE_IMAGE );
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}
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}
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}
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public void GetInventoryAsset( InventoryItem item )
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{
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LLUUID TransferID = LLUUID.GenerateUUID();
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TransferRequest tr = new TransferRequest();
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tr.Completed = false;
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tr.Size = int.MaxValue; // Number of bytes expected
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tr.Received = 0; // Number of bytes received
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tr.LastPacket = getUnixtime(); // last time we recevied a packet for this request
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htDownloadRequests[TransferID] = tr;
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Packet packet = AssetPackets.TransferRequest(slClient.Protocol, slClient.Network.SessionID, slClient.Network.AgentID, TransferID, item );
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slClient.Network.SendPacket(packet);
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while( tr.Completed == false )
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{
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slClient.Tick();
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}
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item.SetAssetData( tr.AssetData );
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}
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public void AssetUploadCompleteCallbackHandler(Packet packet, Simulator simulator)
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{
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ArrayList blocks = packet.Blocks();
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LLUUID AssetID = "";
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bool Success = false;
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foreach (Block block in blocks)
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{
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if( block.Layout.Name.Equals("AssetBlock") )
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{
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foreach (Field field in block.Fields )
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{
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switch( field.Layout.Name )
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{
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case "Success":
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Success = bool.Parse(field.Data.ToString());
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break;
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case "UUID":
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AssetID = new LLUUID(field.Data.ToString());
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break;
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}
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}
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}
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}
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TransferRequest tr = (TransferRequest)htUploadRequests[AssetID];
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if( Success )
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{
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tr.Completed = true;
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tr.Status = true;
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tr.StatusMsg = "Success";
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}
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else
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{
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tr.Completed = true;
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tr.Status = false;
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tr.StatusMsg = "Server returned failed";
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}
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}
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/*
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---- TransferInfo ----
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-- TransferInfo --
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TransferID: 5eb06365fb85d94c853a15352da57574
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Size: 88
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ChannelType: 2
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TargetType: 0
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Status: 0
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Low 00194 - TransferInfo - Untrusted - Unencoded
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0770 TransferInfo (01)
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0072 TransferID (LLUUID / 1)
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0584 Size (S32 / 1)
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0912 ChannelType (S32 / 1)
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1049 TargetType (S32 / 1)
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1062 Status (S32 / 1)
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*/
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public void TransferInfoCallbackHandler(Packet packet, Simulator simulator)
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{
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ArrayList blocks = packet.Blocks();
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LLUUID TransferID = "";
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int Size = 0;
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int Status = 0;
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foreach (Block block in blocks)
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{
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if( block.Layout.Name.Equals("TransferInfo") )
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{
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foreach (Field field in block.Fields )
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{
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switch( field.Layout.Name )
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{
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case "Size":
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Size = (int)field.Data;
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break;
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case "TransferID":
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TransferID = (LLUUID)field.Data;
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break;
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case "Status":
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Status = (int)field.Data;
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break;
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}
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}
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}
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}
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TransferRequest tr = (TransferRequest)htDownloadRequests[TransferID];
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if( tr == null )
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{
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return;
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}
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if( Status == -2 )
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{
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tr.Completed = true;
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tr.Status = false;
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tr.StatusMsg = "Asset Status -2 :: Likely Status Not Found";
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tr.Size = 1;
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tr.AssetData = new byte[1];
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}
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else
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{
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tr.Size = Size;
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tr.AssetData = new byte[Size];
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}
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}
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/*
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----- TransferPacket -----
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TransferData
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TransferID: cc75b93dd4d8c25f6cf56c22f1b3b26c
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Data: 4c 69 6e 64 65 6e 20 74 65 78 74 20 76 65 72 73 Linden text vers
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Data: 69 6f 6e 20 31 0a 7b 0a 4c 4c 45 6d 62 65 64 64 ion 1.{.LLEmbedd
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Data: 65 64 49 74 65 6d 73 20 76 65 72 73 69 6f 6e 20 edItems version
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Data: 31 0a 7b 0a 63 6f 75 6e 74 20 30 0a 7d 0a 54 65 1.{.count 0.}.Te
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Data: 78 74 20 6c 65 6e 67 74 68 20 39 32 0a 0a 45 61 xt length 92..Ea
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Data: 72 6c 79 20 41 6c 65 72 74 20 57 65 62 73 69 74 rly Alert Websit
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Data: 65 0a 68 74 74 70 3a 2f 2f 65 61 72 6c 79 61 6c e.http://earlyal
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Data: 65 72 74 2e 66 75 6c 6c 63 6f 6c 6c 2e 65 64 75 ert.fullcoll.edu
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Data: 0a 46 75 6c 6c 65 72 74 6f 6e 20 43 6f 6c 6c 65 .Fullerton Colle
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Data: 67 65 0a 43 6f 75 6e 73 65 6c 69 6e 67 20 44 65 ge.Counseling De
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Data: 70 61 72 74 6d 65 6e 74 0a 7d 0a 00 partment.}..
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Packet: 0
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ChannelType: 2
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Status: 1
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*/
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public void TransferPacketCallbackHandler(Packet packet, Simulator simulator)
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{
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LLUUID TransferID = "";
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byte[] Data = null;
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ArrayList blocks = packet.Blocks();
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foreach (Block block in blocks)
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{
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if( block.Layout.Name.Equals("TransferData") )
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{
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foreach (Field field in block.Fields )
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{
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switch( field.Layout.Name )
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{
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case "TransferID":
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TransferID = new LLUUID(field.Data.ToString());
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break;
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case "Data":
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Data = (byte[])field.Data;
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break;
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}
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}
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}
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}
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// Append data to data received.
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TransferRequest tr = (TransferRequest)htDownloadRequests[TransferID];
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if( tr == null )
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{
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return;
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}
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Array.Copy(Data, 0, tr.AssetData, tr.Received, Data.Length);
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tr.Received += Data.Length;
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// If we've gotten all the data, mark it completed.
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if( tr.Received >= tr.Size )
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{
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tr.Completed = true;
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}
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}
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/*
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High 00021 - ConfirmXferPacket - Untrusted - Zerocoded
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0804 XferID (01)
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0030 ID (U64 / 1)
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0785 Packet (U32 / 1)
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----- ConfirmXferPacket -----
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XferID
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ID: 4089841211943505063
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Packet: 0
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*/
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public void ConfirmXferPacketCallbackHandler(Packet packet, Simulator simulator)
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{
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U64 XferID = new U64();
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uint PacketNum = 0;
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ArrayList blocks = packet.Blocks();
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foreach (Block block in blocks)
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{
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if( block.Layout.Name.Equals("XferID") )
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{
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foreach (Field field in block.Fields )
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{
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switch( field.Layout.Name )
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{
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case "ID":
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XferID = (U64)field.Data;
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break;
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case "Packet":
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PacketNum = (uint)field.Data;
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break;
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}
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}
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}
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}
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}
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/*
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Low 00197 - RequestXfer - Untrusted - Unencoded
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0804 XferID (01)
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0030 ID (U64 / 1)
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0183 UseBigPackets (BOOL / 1)
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0351 DeleteOnCompletion (BOOL / 1)
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0687 FilePath (U8 / 1)
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0817 Filename (Variable / 1)
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0997 VFileID (LLUUID / 1)
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1333 VFileType (S16 / 1)
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----- RequestXfer -----
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XferID
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ID: 12874913228238730530
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UseBigPackets: False
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DeleteOnCompletion: False
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FilePath: 0
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Filename:
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VFileID: b16097032e253a9d5220ba07c1a1b28a
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VFileType: 7
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*/
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public void RequestXferCallbackHandler(Packet packet, Simulator simulator)
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{
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U64 XferID = new U64();
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LLUUID AssetID = "";
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ArrayList blocks = packet.Blocks();
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foreach (Block block in blocks)
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{
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if( block.Layout.Name.Equals("XferID") )
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{
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foreach (Field field in block.Fields )
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{
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switch( field.Layout.Name )
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{
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case "ID":
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XferID = (U64)field.Data;
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break;
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case "VFileID":
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AssetID = (LLUUID)field.Data;
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break;
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}
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}
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}
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}
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TransferRequest tr = (TransferRequest)htUploadRequests[AssetID];
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byte[] packetData = new byte[1004];
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// FIXME: Apply endianness patch
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Array.Copy(BitConverter.GetBytes((int)tr.AssetData.Length), 0, packetData, 0, 4);
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Array.Copy(tr.AssetData, 0, packetData, 4, 1000);
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packet = AssetPackets.SendXferPacket(slClient.Protocol, XferID, packetData, 0);
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slClient.Network.SendPacket(packet);
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// TODO: This for loop should be removed and these uploads should take place in
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// a call back handler for ConfirmXferPacket
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int numPackets = tr.AssetData.Length / 1000;
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for( uint i = 1; i<numPackets; i++ )
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{
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packetData = new byte[1000];
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Array.Copy(tr.AssetData, i*1000, packetData, 0, 1000);
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packet = AssetPackets.SendXferPacket(slClient.Protocol, XferID, packetData, i);
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slClient.Network.SendPacket(packet);
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}
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int lastLen = tr.AssetData.Length - (numPackets * 1000);
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packetData = new byte[ lastLen ];
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Array.Copy(tr.AssetData, numPackets * 1000, packetData, 0, lastLen);
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uint lastPacket = (uint)int.MaxValue + (uint)numPackets + (uint)1;
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packet = AssetPackets.SendXferPacket(slClient.Protocol, XferID, packetData, lastPacket);
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slClient.Network.SendPacket(packet);
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}
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public static int getUnixtime()
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{
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TimeSpan ts = (DateTime.UtcNow - new DateTime(1970,1,1,0,0,0));
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return (int)ts.TotalSeconds;
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}
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}
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}
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