241b480320
* Created an LLUDP folder to hold extensions that are purely LLUDP packet handlers. This is not a complete abstraction away from transport protocols, but it's a start * Moved physics code from Movement.cs into PhysicsSimple.cs, and moved the physics loop into a thread in SceneManager * Simian.ini cleanup git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2490 52acb1d6-8a22-11de-b505-999d5b087335
674 lines
31 KiB
C#
674 lines
31 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using System.Xml;
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using ExtensionLoader;
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using OpenMetaverse;
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using OpenMetaverse.Packets;
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using OpenMetaverse.StructuredData;
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namespace Simian
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{
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class HyperGridLink
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{
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public string RegionName;
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public ulong RegionHandle;
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public UUID RegionID;
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public UUID RegionImage;
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public int UDPPort;
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public int RemotingPort;
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}
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public class LLMap : IExtension<ISceneProvider>
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{
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static readonly UUID WATER_TEXTURE = new UUID("af588c7c-52b0-4d9e-a888-1fe9d6c35f45");
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static readonly UUID HYPERGRID_MAP_TEXTURE = new UUID("3f1f56ad-7811-42e6-b3c1-98b79fc5c360");
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ISceneProvider scene;
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public LLMap()
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{
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}
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public bool Start(ISceneProvider scene)
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{
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this.scene = scene;
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scene.UDP.RegisterPacketCallback(PacketType.MapLayerRequest, MapLayerRequestHandler);
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scene.UDP.RegisterPacketCallback(PacketType.MapBlockRequest, MapBlockRequestHandler);
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scene.UDP.RegisterPacketCallback(PacketType.MapItemRequest, MapItemRequestHandler);
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scene.UDP.RegisterPacketCallback(PacketType.TeleportRequest, TeleportRequestHandler);
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scene.UDP.RegisterPacketCallback(PacketType.TeleportLocationRequest, TeleportLocationRequestHandler);
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return true;
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}
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public void Stop()
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{
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}
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void MapLayerRequestHandler(Packet packet, Agent agent)
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{
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MapLayerRequestPacket request = (MapLayerRequestPacket)packet;
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GridLayerType type = (GridLayerType)request.AgentData.Flags;
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// FIXME: Do this properly. Use the grid service to get the aggregated map layers
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// (lots of map tiles in a single texture == layer)
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MapLayerReplyPacket reply = new MapLayerReplyPacket();
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reply.AgentData.AgentID = agent.ID;
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reply.AgentData.Flags = (uint)type;
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reply.LayerData = new MapLayerReplyPacket.LayerDataBlock[1];
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reply.LayerData[0] = new MapLayerReplyPacket.LayerDataBlock();
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reply.LayerData[0].Bottom = 0;
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reply.LayerData[0].Left = 0;
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reply.LayerData[0].Top = UInt16.MaxValue;
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reply.LayerData[0].Right = UInt16.MaxValue;
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reply.LayerData[0].ImageID = WATER_TEXTURE;
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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void MapBlockRequestHandler(Packet packet, Agent agent)
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{
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MapBlockRequestPacket request = (MapBlockRequestPacket)packet;
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bool returnNonexistent = (request.AgentData.Flags == 0x10000);
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GridLayerType type = (GridLayerType)(request.AgentData.Flags &~0x10000);
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IList<RegionInfo> regions = scene.Server.Grid.GetRegionsInArea(request.PositionData.MinX, request.PositionData.MinY,
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request.PositionData.MaxX, request.PositionData.MaxY);
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MapBlockReplyPacket reply = new MapBlockReplyPacket();
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reply.AgentData.AgentID = agent.ID;
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reply.AgentData.Flags = (uint)type;
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MapBlockReplyPacket.DataBlock[] blocks;
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if (returnNonexistent)
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{
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int blockCountX = request.PositionData.MaxX + 1 - request.PositionData.MinX;
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int blockCountY = request.PositionData.MaxY + 1 - request.PositionData.MinY;
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blocks = new MapBlockReplyPacket.DataBlock[blockCountX * blockCountY];
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int i = 0;
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for (int y = request.PositionData.MinY; y <= request.PositionData.MaxY; y++)
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{
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for (int x = request.PositionData.MinX; x <= request.PositionData.MaxX; x++)
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{
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blocks[i] = new MapBlockReplyPacket.DataBlock();
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blocks[i].X = (ushort)x;
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blocks[i].Y = (ushort)y;
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// See if we have data for this region
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RegionInfo? region = null;
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for (int j = 0; j < regions.Count; j++)
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{
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if (regions[j].X == x && regions[j].Y == y)
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{
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region = regions[j];
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break;
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}
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}
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if (region.HasValue)
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{
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blocks[i].Access = (byte)SimAccess.Min;
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blocks[i].Agents = (byte)region.Value.AgentCount;
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blocks[i].MapImageID = region.Value.MapTextureID;
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blocks[i].Name = Utils.StringToBytes(region.Value.Name);
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blocks[i].RegionFlags = (uint)region.Value.Flags;
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blocks[i].WaterHeight = (byte)region.Value.WaterHeight;
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}
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else
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{
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blocks[i].Name = Utils.EmptyBytes;
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blocks[i].MapImageID = WATER_TEXTURE;
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}
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++i;
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}
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}
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}
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else
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{
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blocks = new MapBlockReplyPacket.DataBlock[regions.Count];
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for (int i = 0; i < regions.Count; i++)
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{
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RegionInfo region = regions[i];
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blocks[i] = new MapBlockReplyPacket.DataBlock();
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blocks[i].X = (ushort)region.X;
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blocks[i].Y = (ushort)region.Y;
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blocks[i].Access = (byte)SimAccess.Min;
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blocks[i].Agents = (byte)region.AgentCount;
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blocks[i].MapImageID = region.MapTextureID;
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blocks[i].Name = Utils.StringToBytes(region.Name);
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blocks[i].RegionFlags = (uint)region.Flags;
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blocks[i].WaterHeight = (byte)region.WaterHeight;
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}
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}
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// FIXME: Handle large numbers of blocks by splitting things up
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reply.Data = blocks;
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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void MapItemRequestHandler(Packet packet, Agent agent)
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{
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MapItemRequestPacket request = (MapItemRequestPacket)packet;
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GridLayerType layerType = (GridLayerType)request.AgentData.Flags;
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GridItemType itemType = (GridItemType)request.RequestData.ItemType;
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uint regionX, regionY;
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Utils.LongToUInts(request.RequestData.RegionHandle, out regionX, out regionY);
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RegionInfo regionInfo;
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if (scene.Server.Grid.TryGetRegion(regionX, regionY, scene.RegionCertificate, out regionInfo))
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{
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Logger.Log("MapItemRequest for " + itemType + " from layer " + layerType + " in " + regionInfo.Name, Helpers.LogLevel.Info);
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MapItemReplyPacket reply = new MapItemReplyPacket();
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reply.AgentData.AgentID = agent.ID;
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reply.AgentData.Flags = request.AgentData.Flags;
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reply.RequestData.ItemType = (uint)itemType;
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reply.Data = new MapItemReplyPacket.DataBlock[0];
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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else
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{
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Logger.Log("MapItemRequest for " + itemType + " from layer " + layerType + " in unknown region at " + regionX + "," + regionY,
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Helpers.LogLevel.Warning);
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}
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}
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void TeleportRequestHandler(Packet packet, Agent agent)
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{
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TeleportRequestPacket request = (TeleportRequestPacket)packet;
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// TODO: Stand the avatar up first
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if (request.Info.RegionID == scene.RegionID)
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{
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// Local teleport
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agent.Avatar.Prim.Position = request.Info.Position;
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agent.CurrentLookAt = request.Info.LookAt;
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// TODO: Actually adjust the agent's LookAt
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TeleportLocalPacket reply = new TeleportLocalPacket();
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reply.Info.AgentID = agent.ID;
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reply.Info.LocationID = 0; // Unused by the client
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reply.Info.LookAt = agent.CurrentLookAt;
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reply.Info.Position = agent.Avatar.Prim.Position;
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// TODO: Need a "Flying" boolean for Agent
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reply.Info.TeleportFlags = (uint)TeleportFlags.ViaRegionID;
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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else
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{
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TeleportFailedPacket reply = new TeleportFailedPacket();
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reply.Info.AgentID = agent.ID;
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reply.Info.Reason = Utils.StringToBytes("Unknown region");
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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}
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void TeleportLocationRequestHandler(Packet packet, Agent agent)
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{
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TeleportLocationRequestPacket request = (TeleportLocationRequestPacket)packet;
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// TODO: Stand the avatar up first
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if (request.Info.RegionHandle == scene.RegionHandle)
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{
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// Local teleport
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agent.Avatar.Prim.Position = request.Info.Position;
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agent.CurrentLookAt = request.Info.LookAt;
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TeleportLocalPacket reply = new TeleportLocalPacket();
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reply.Info.AgentID = agent.ID;
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reply.Info.LocationID = 0; // Unused by the client
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reply.Info.LookAt = agent.CurrentLookAt;
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reply.Info.Position = agent.Avatar.Prim.Position;
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// TODO: Need a "Flying" boolean for Agent
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reply.Info.TeleportFlags = (uint)TeleportFlags.ViaLocation;
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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// FIXME: Add .ini config support for HyperGrid destinations
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/*else if (request.Info.RegionHandle == Utils.UIntsToLong((scene.RegionX + 1) * 256, scene.RegionY * 256))
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{
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// Special case: adjacent simulator is the HyperGrid portal
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HyperGridTeleport(agent, new Uri("http://osl2.nac.uci.edu:9006/"), request.Info.Position);
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}*/
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else
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{
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TeleportFailedPacket reply = new TeleportFailedPacket();
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reply.Info.AgentID = agent.ID;
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reply.Info.Reason = Utils.StringToBytes("Unknown region");
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scene.UDP.SendPacket(agent.ID, reply, PacketCategory.Transaction);
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}
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}
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bool HyperGridTeleport(Agent agent, Uri destination, Vector3 destPos)
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{
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HyperGridLink link;
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TeleportProgress(agent, "Resolving destination IP address", TeleportFlags.ViaLocation);
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IPHostEntry entry = Dns.GetHostEntry(destination.DnsSafeHost);
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if (entry.AddressList != null && entry.AddressList.Length >= 1)
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{
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TeleportProgress(agent, "Retrieving destination details", TeleportFlags.ViaLocation);
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if (LinkRegion(destination, out link))
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{
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TeleportProgress(agent, "Creating foreign agent", TeleportFlags.ViaLocation);
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// This is a crufty part of the HyperGrid protocol. We need to generate a fragment of a UUID
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// (missing the last four digits) and send that as the caps_path variable. Locally, we expand
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// that out to http://foreignsim:httpport/CAPS/fragment0000/ and use it as the seed caps path
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// that is sent to the client
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UUID seedID = UUID.Random();
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string seedCapFragment = seedID.ToString().Substring(0, 32);
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Uri seedCap = new Uri(destination, "/CAPS/" + seedCapFragment + "0000/");
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if (ExpectHyperGridUser(agent, destination, destPos, link, seedCap))
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{
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TeleportProgress(agent, "Establishing foreign agent presence", TeleportFlags.ViaLocation);
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if (CreateChildAgent(agent, destination, destPos, link, seedCapFragment))
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{
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// Send the final teleport message to the client
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if (scene.HasRunningEventQueue(agent))
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{
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uint x, y;
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Utils.LongToUInts(link.RegionHandle, out x, out y);
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x /= 256;
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y /= 256;
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Logger.Log(String.Format("HyperGrid teleporting to {0} ({1}, {2}) @ {3}",
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link.RegionName, x, y, destination), Helpers.LogLevel.Info);
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OSDMap teleport = CapsMessages.TeleportFinish(agent.ID, 4, link.RegionHandle, seedCap, (byte)SimAccess.Min,
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entry.AddressList[0], link.UDPPort, TeleportFlags.ViaLocation);
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scene.SendEvent(agent, "TeleportFinish", teleport);
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}
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else
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{
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Logger.Log("No running EventQueue for " + agent.FullName + ", sending TeleportFinish over UDP",
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Helpers.LogLevel.Warning);
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TeleportFinishPacket teleport = new TeleportFinishPacket();
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teleport.Info.AgentID = agent.ID;
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teleport.Info.LocationID = 0; // Unused by the client
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teleport.Info.RegionHandle = link.RegionHandle;
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teleport.Info.SeedCapability = Utils.StringToBytes(seedCap.ToString());
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teleport.Info.SimAccess = (byte)SimAccess.Min;
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teleport.Info.SimIP = Utils.BytesToUInt(entry.AddressList[0].GetAddressBytes());
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teleport.Info.SimPort = (ushort)link.UDPPort;
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teleport.Info.TeleportFlags = (uint)TeleportFlags.ViaLocation;
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scene.UDP.SendPacket(agent.ID, teleport, PacketCategory.Transaction);
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}
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// Remove the agent from the local scene (will also tear down the UDP connection)
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//scene.ObjectRemove(this, agent.ID);
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return true;
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}
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}
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}
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}
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return false;
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}
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bool LinkRegion(Uri destination, out HyperGridLink link)
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{
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try
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{
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#region Build Request
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HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(destination);
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request.Method = "POST";
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request.ContentType = "text/xml";
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MemoryStream memoryStream = new MemoryStream();
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using (XmlWriter writer = XmlWriter.Create(memoryStream))
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{
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writer.WriteStartElement("methodCall");
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{
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writer.WriteElementString("methodName", "link_region");
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writer.WriteStartElement("params");
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writer.WriteStartElement("param");
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writer.WriteStartElement("value");
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writer.WriteStartElement("struct");
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{
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WriteStringMember(writer, "region_name", String.Empty);
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}
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writer.WriteEndElement();
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writer.WriteEndElement();
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writer.WriteEndElement();
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writer.WriteEndElement();
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}
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writer.WriteEndElement();
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writer.Flush();
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}
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request.ContentLength = memoryStream.Length;
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using (Stream writeStream = request.GetRequestStream())
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{
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writeStream.Write(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
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}
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#endregion Build Request
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#region Parse Response
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HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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XmlReaderSettings settings = new XmlReaderSettings();
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settings.IgnoreComments = true;
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settings.IgnoreWhitespace = true;
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using (XmlReader reader = XmlReader.Create(response.GetResponseStream(), settings))
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{
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link = new HyperGridLink();
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reader.ReadStartElement("methodResponse");
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{
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reader.ReadStartElement("params");
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reader.ReadStartElement("param");
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reader.ReadStartElement("value");
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reader.ReadStartElement("struct");
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{
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while (reader.Name == "member")
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{
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reader.ReadStartElement("member");
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{
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string name = reader.ReadElementContentAsString("name", String.Empty);
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reader.ReadStartElement("value");
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{
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switch (name)
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{
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case "region_name":
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link.RegionName = reader.ReadElementContentAsString("string", String.Empty);
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break;
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case "handle":
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string handle = reader.ReadElementContentAsString("string", String.Empty);
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link.RegionHandle = UInt64.Parse(handle);
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break;
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case "uuid":
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string uuid = reader.ReadElementContentAsString("string", String.Empty);
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link.RegionID = UUID.Parse(uuid);
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break;
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case "internal_port":
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link.UDPPort = reader.ReadElementContentAsInt("string", String.Empty);
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break;
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case "region_image":
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string imageuuid = reader.ReadElementContentAsString("string", String.Empty);
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link.RegionImage = UUID.Parse(imageuuid);
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break;
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case "remoting_port":
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link.RemotingPort = reader.ReadElementContentAsInt("string", String.Empty);
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break;
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default:
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Logger.Log("[HyperGrid] Unrecognized response XML chunk: " + reader.ReadInnerXml(),
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Helpers.LogLevel.Warning);
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break;
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}
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}
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reader.ReadEndElement();
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}
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reader.ReadEndElement();
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}
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}
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reader.ReadEndElement();
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reader.ReadEndElement();
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reader.ReadEndElement();
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reader.ReadEndElement();
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}
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reader.ReadEndElement();
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return true;
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}
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#endregion Parse Response
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}
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catch (Exception ex)
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{
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Logger.Log(ex.Message, Helpers.LogLevel.Error, ex);
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}
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link = null;
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return false;
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}
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bool ExpectHyperGridUser(Agent agent, Uri destination, Vector3 destPos, HyperGridLink link, Uri seedCap)
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{
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try
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{
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#region Build Request
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HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(destination);
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request.Method = "POST";
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request.ContentType = "text/xml";
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MemoryStream memoryStream = new MemoryStream();
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using (XmlWriter writer = XmlWriter.Create(memoryStream))
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{
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writer.WriteStartElement("methodCall");
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{
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writer.WriteElementString("methodName", "expect_hg_user");
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writer.WriteStartElement("params");
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writer.WriteStartElement("param");
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writer.WriteStartElement("value");
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writer.WriteStartElement("struct");
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{
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WriteStringMember(writer, "session_id", agent.SessionID.ToString());
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WriteStringMember(writer, "secure_session_id", agent.SecureSessionID.ToString());
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WriteStringMember(writer, "firstname", agent.Info.FirstName);
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WriteStringMember(writer, "lastname", agent.Info.LastName);
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WriteStringMember(writer, "agent_id", agent.ID.ToString());
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WriteStringMember(writer, "circuit_code", agent.CircuitCode.ToString());
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WriteStringMember(writer, "startpos_x", destPos.X.ToString(Utils.EnUsCulture));
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WriteStringMember(writer, "startpos_y", destPos.Y.ToString(Utils.EnUsCulture));
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WriteStringMember(writer, "startpos_z", destPos.Z.ToString(Utils.EnUsCulture));
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WriteStringMember(writer, "caps_path", seedCap.ToString());
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WriteStringMember(writer, "region_uuid", link.RegionID.ToString());
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//WriteStringMember(writer, "userserver_id", "");
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//WriteStringMember(writer, "assetserver_id", "");
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//WriteStringMember(writer, "inventoryserver_id", "");
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WriteStringMember(writer, "root_folder_id", agent.Info.InventoryRoot.ToString());
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string port = scene.Server.HttpUri.Port.ToString();
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WriteStringMember(writer, "internal_port", port);
|
|
WriteStringMember(writer, "regionhandle", scene.RegionHandle.ToString());
|
|
WriteStringMember(writer, "home_address", IPAddress.Loopback.ToString());
|
|
WriteStringMember(writer, "home_port", port);
|
|
WriteStringMember(writer, "home_remoting", port);
|
|
}
|
|
writer.WriteEndElement();
|
|
writer.WriteEndElement();
|
|
writer.WriteEndElement();
|
|
writer.WriteEndElement();
|
|
}
|
|
writer.WriteEndElement();
|
|
|
|
writer.Flush();
|
|
}
|
|
|
|
request.ContentLength = memoryStream.Length;
|
|
|
|
using (Stream writeStream = request.GetRequestStream())
|
|
{
|
|
writeStream.Write(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
|
|
}
|
|
|
|
#endregion Build Request
|
|
|
|
#region Parse Response
|
|
|
|
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
|
|
|
XmlReaderSettings settings = new XmlReaderSettings();
|
|
settings.IgnoreComments = true;
|
|
settings.IgnoreWhitespace = true;
|
|
|
|
using (XmlReader reader = XmlReader.Create(response.GetResponseStream(), settings))
|
|
{
|
|
bool success = false;
|
|
string reason = String.Empty;
|
|
|
|
reader.ReadStartElement("methodResponse");
|
|
{
|
|
reader.ReadStartElement("params");
|
|
reader.ReadStartElement("param");
|
|
reader.ReadStartElement("value");
|
|
reader.ReadStartElement("struct");
|
|
{
|
|
while (reader.Name == "member")
|
|
{
|
|
reader.ReadStartElement("member");
|
|
{
|
|
string name = reader.ReadElementContentAsString("name", String.Empty);
|
|
|
|
reader.ReadStartElement("value");
|
|
{
|
|
switch (name)
|
|
{
|
|
case "success":
|
|
success = (reader.ReadElementContentAsString("string", String.Empty).ToUpper() == "TRUE");
|
|
break;
|
|
case "reason":
|
|
reason = reader.ReadElementContentAsString("string", String.Empty);
|
|
break;
|
|
default:
|
|
Logger.Log("[HyperGrid] Unrecognized response XML chunk: " + reader.ReadInnerXml(),
|
|
Helpers.LogLevel.Warning);
|
|
break;
|
|
}
|
|
}
|
|
reader.ReadEndElement();
|
|
}
|
|
reader.ReadEndElement();
|
|
}
|
|
}
|
|
reader.ReadEndElement();
|
|
reader.ReadEndElement();
|
|
reader.ReadEndElement();
|
|
reader.ReadEndElement();
|
|
}
|
|
reader.ReadEndElement();
|
|
|
|
if (!success)
|
|
Logger.Log("[HyperGrid] Teleport failed, reason: " + reason, Helpers.LogLevel.Warning);
|
|
|
|
return success;
|
|
}
|
|
|
|
#endregion Parse Response
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Log(ex.Message, Helpers.LogLevel.Error, ex);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CreateChildAgent(Agent agent, Uri destination, Vector3 destPos, HyperGridLink link, string seedCapFragment)
|
|
{
|
|
try
|
|
{
|
|
destination = new Uri(destination, "/agent/" + agent.ID.ToString() + "/");
|
|
|
|
OSDMap args = new OSDMap();
|
|
args["agent_id"] = OSD.FromUUID(agent.ID);
|
|
args["base_folder"] = OSD.FromUUID(UUID.Zero);
|
|
args["caps_path"] = OSD.FromString(seedCapFragment);
|
|
args["children_seeds"] = OSD.FromBoolean(false);
|
|
args["child"] = OSD.FromBoolean(false);
|
|
args["circuit_code"] = OSD.FromString(agent.CircuitCode.ToString());
|
|
args["first_name"] = OSD.FromString(agent.Info.FirstName);
|
|
args["last_name"] = OSD.FromString(agent.Info.LastName);
|
|
args["inventory_folder"] = OSD.FromUUID(agent.Info.InventoryRoot);
|
|
args["secure_session_id"] = OSD.FromUUID(agent.SecureSessionID);
|
|
args["session_id"] = OSD.FromUUID(agent.SessionID);
|
|
args["start_pos"] = OSD.FromString(destPos.ToString());
|
|
args["destination_handle"] = OSD.FromString(link.RegionHandle.ToString());
|
|
|
|
LitJson.JsonData jsonData = OSDParser.SerializeJson(args);
|
|
byte[] data = System.Text.Encoding.UTF8.GetBytes(jsonData.ToJson());
|
|
|
|
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(destination);
|
|
request.Method = "POST";
|
|
request.ContentType = "application/json";
|
|
request.ContentLength = data.Length;
|
|
|
|
using (Stream requestStream = request.GetRequestStream())
|
|
{
|
|
requestStream.Write(data, 0, data.Length);
|
|
requestStream.Flush();
|
|
}
|
|
|
|
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
|
|
|
bool success = false;
|
|
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
|
|
{
|
|
Boolean.TryParse(reader.ReadToEnd(), out success);
|
|
}
|
|
|
|
return success;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Log(ex.Message, Helpers.LogLevel.Error, ex);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void TeleportProgress(Agent agent, string message, TeleportFlags flags)
|
|
{
|
|
TeleportProgressPacket progress = new TeleportProgressPacket();
|
|
progress.AgentData.AgentID = agent.ID;
|
|
progress.Info.Message = Utils.StringToBytes(message);
|
|
progress.Info.TeleportFlags = (uint)flags;
|
|
|
|
scene.UDP.SendPacket(agent.ID, progress, PacketCategory.Transaction);
|
|
}
|
|
|
|
static void WriteStringMember(XmlWriter writer, string name, string value)
|
|
{
|
|
writer.WriteStartElement("member");
|
|
{
|
|
writer.WriteElementString("name", name);
|
|
|
|
writer.WriteStartElement("value");
|
|
{
|
|
writer.WriteElementString("string", value);
|
|
}
|
|
writer.WriteEndElement();
|
|
}
|
|
writer.WriteEndElement();
|
|
}
|
|
}
|
|
}
|