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- /*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the OpenSim Project nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- using System;
- using System.Collections.Generic;
- using System.Reflection;
- using System.Xml;
- using libsecondlife;
- using log4net;
- using OpenSim.Framework;
- using OpenSim.Region.DataSnapshot.Interfaces;
- using OpenSim.Region.Environment.Interfaces;
- using OpenSim.Region.Environment.Modules.World.Land;
- using OpenSim.Region.Environment.Scenes;
- using libsecondlife.Packets;
- namespace OpenSim.Region.DataSnapshot.Providers
- {
- public class LandSnapshot : IDataSnapshotProvider
- {
- private Scene m_scene = null;
- // private DataSnapshotManager m_parent = null;
- //private Dictionary<int, Land> m_landIndexed = new Dictionary<int, Land>();
- private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
- private bool m_stale = true;
- #region Dead code
- /*
- * David, I don't think we need this at all. When we do the snapshot, we can
- * simply look into the parcels that are marked for ShowDirectory -- see
- * conditional in RequestSnapshotData
- *
- //Revise this, look for more direct way of checking for change in land
- #region Client hooks
- public void OnNewClient(IClientAPI client)
- {
- //Land hooks
- client.OnParcelDivideRequest += ParcelSplitHook;
- client.OnParcelJoinRequest += ParcelSplitHook;
- client.OnParcelPropertiesUpdateRequest += ParcelPropsHook;
- }
- public void ParcelSplitHook(int west, int south, int east, int north, IClientAPI remote_client)
- {
- PrepareData();
- }
- public void ParcelPropsHook(ParcelPropertiesUpdatePacket packet, IClientAPI remote_client)
- {
- PrepareData();
- }
- #endregion
- public void PrepareData()
- {
- m_log.Info("[EXTERNALDATA]: Generating land data.");
- m_landIndexed.Clear();
- //Index sim land
- foreach (KeyValuePair<int, Land> curLand in m_scene.LandManager.landList)
- {
- //if ((curLand.Value.landData.landFlags & (uint)Parcel.ParcelFlags.ShowDirectory) == (uint)Parcel.ParcelFlags.ShowDirectory)
- //{
- m_landIndexed.Add(curLand.Key, curLand.Value.Copy());
- //}
- }
- }
- public Dictionary<int,Land> IndexedLand {
- get { return m_landIndexed; }
- }
- */
- #endregion
- #region IDataSnapshotProvider members
- public void Initialize(Scene scene, DataSnapshotManager parent)
- {
- m_scene = scene;
- // m_parent = parent;
- //Brought back from the dead for staleness checks.
- m_scene.EventManager.OnNewClient += OnNewClient;
- }
- public Scene GetParentScene
- {
- get { return m_scene; }
- }
- public XmlNode RequestSnapshotData(XmlDocument nodeFactory)
- {
- ILandChannel landChannel = (LandChannel)m_scene.LandChannel;
- Dictionary<int, ILandObject> landList = null;
- try
- {
- Type landChannelType = typeof(LandChannel);
- FieldInfo landListField = landChannelType.GetField("landList", BindingFlags.NonPublic | BindingFlags.Instance);
- if (landListField != null)
- {
- landList = (Dictionary<int, ILandObject>)landListField.GetValue(landChannel);
- }
- }
- catch (Exception e)
- {
- m_log.Error("[DATASNAPSHOT] couldn't access field reflectively\n" + e.ToString());
- }
- XmlNode parent = nodeFactory.CreateNode(XmlNodeType.Element, "parceldata", "");
- if (landList != null)
- {
- //foreach (KeyValuePair<int, Land> curParcel in m_landIndexed)
- foreach (LandObject land in landList.Values)
- {
- LandData parcel = land.landData;
- if ((parcel.landFlags & (uint)Parcel.ParcelFlags.ShowDirectory) == (uint)Parcel.ParcelFlags.ShowDirectory)
- {
- //TODO: make better method of marshalling data from LandData to XmlNode
- XmlNode xmlparcel = nodeFactory.CreateNode(XmlNodeType.Element, "parcel", "");
- // Attributes of the parcel node
- XmlAttribute scripts_attr = nodeFactory.CreateAttribute("scripts");
- scripts_attr.Value = GetScriptsPermissions(parcel);
- XmlAttribute category_attr = nodeFactory.CreateAttribute("category");
- category_attr.Value = parcel.category.ToString();
- //XmlAttribute entities_attr = nodeFactory.CreateAttribute("entities");
- //entities_attr.Value = land.primsOverMe.Count.ToString();
- xmlparcel.Attributes.Append(scripts_attr);
- xmlparcel.Attributes.Append(category_attr);
- //xmlparcel.Attributes.Append(entities_attr);
- //name, description, area, and UUID
- XmlNode name = nodeFactory.CreateNode(XmlNodeType.Element, "name", "");
- name.InnerText = parcel.landName;
- xmlparcel.AppendChild(name);
- XmlNode desc = nodeFactory.CreateNode(XmlNodeType.Element, "description", "");
- desc.InnerText = parcel.landDesc;
- xmlparcel.AppendChild(desc);
- XmlNode uuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
- uuid.InnerText = parcel.globalID.ToString();
- xmlparcel.AppendChild(uuid);
- XmlNode area = nodeFactory.CreateNode(XmlNodeType.Element, "area", "");
- area.InnerText = parcel.area.ToString();
- xmlparcel.AppendChild(area);
- //default location
- XmlNode tpLocation = nodeFactory.CreateNode(XmlNodeType.Element, "location", "");
- LLVector3 loc = parcel.userLocation;
- if (loc.Equals(LLVector3.Zero)) // This test is mute at this point: the location is wrong by default
- loc = new LLVector3((parcel.AABBMax.X - parcel.AABBMin.X) / 2, (parcel.AABBMax.Y - parcel.AABBMin.Y) / 2, (parcel.AABBMax.Y - parcel.AABBMin.Y) / 2);
- tpLocation.InnerText = loc.X.ToString() + "/" + loc.Y.ToString() + "/" + loc.Z.ToString();
- xmlparcel.AppendChild(tpLocation);
- //TODO: figure how to figure out teleport system landData.landingType
- //land texture snapshot uuid
- if (parcel.snapshotID != LLUUID.Zero)
- {
- XmlNode textureuuid = nodeFactory.CreateNode(XmlNodeType.Element, "image", "");
- textureuuid.InnerText = parcel.snapshotID.ToString();
- xmlparcel.AppendChild(textureuuid);
- }
- //attached user and group
- if (parcel.groupID != LLUUID.Zero)
- {
- XmlNode groupblock = nodeFactory.CreateNode(XmlNodeType.Element, "group", "");
- XmlNode groupuuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
- groupuuid.InnerText = parcel.groupID.ToString();
- groupblock.AppendChild(groupuuid);
- //No name yet, there's no way to get a group name since they don't exist yet.
- //TODO: When groups are supported, add the group handling code.
- xmlparcel.AppendChild(groupblock);
- }
- if (!parcel.isGroupOwned)
- {
- XmlNode userblock = nodeFactory.CreateNode(XmlNodeType.Element, "owner", "");
- LLUUID userOwnerUUID = parcel.ownerID;
- XmlNode useruuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
- useruuid.InnerText = userOwnerUUID.ToString();
- userblock.AppendChild(useruuid);
- try
- {
- XmlNode username = nodeFactory.CreateNode(XmlNodeType.Element, "name", "");
- UserProfileData userProfile = m_scene.CommsManager.UserService.GetUserProfile(userOwnerUUID);
- username.InnerText = userProfile.FirstName + " " + userProfile.SurName;
- userblock.AppendChild(username);
- }
- catch (Exception)
- {
- m_log.Info("[DATASNAPSHOT]: Cannot find owner name; ignoring this parcel");
- }
- xmlparcel.AppendChild(userblock);
- }
- //else
- //{
- // XmlAttribute type = (XmlAttribute)nodeFactory.CreateNode(XmlNodeType.Attribute, "type", "");
- // type.InnerText = "owner";
- // groupblock.Attributes.Append(type);
- //}
- parent.AppendChild(xmlparcel);
- }
- }
- //snap.AppendChild(parent);
- }
- this.Stale = false;
- return parent;
- }
- public String Name
- {
- get { return "LandSnapshot"; }
- }
- public bool Stale
- {
- get
- {
- return m_stale;
- }
- set
- {
- m_stale = value;
- if (m_stale)
- OnStale(this);
- }
- }
- public event ProviderStale OnStale;
- #endregion
- #region Helper functions
- private string GetScriptsPermissions(LandData parcel)
- {
- if ((parcel.landFlags & (uint)Parcel.ParcelFlags.AllowOtherScripts) == (uint)Parcel.ParcelFlags.AllowOtherScripts)
- return "yes";
- else
- return "no";
- }
- #endregion
- #region Change detection hooks
- public void OnNewClient(IClientAPI client)
- {
- //Land hooks
- client.OnParcelDivideRequest += delegate (int west, int south, int east, int north,
- IClientAPI remote_client) { this.Stale = true; };
- client.OnParcelJoinRequest += delegate (int west, int south, int east, int north,
- IClientAPI remote_client) { this.Stale = true; };
- client.OnParcelPropertiesUpdateRequest += delegate(LandUpdateArgs args, int local_id,
- IClientAPI remote_client) { this.Stale = true; };
- client.OnParcelBuy += delegate (LLUUID agentId, LLUUID groupId, bool final, bool groupOwned,
- bool removeContribution, int parcelLocalID, int parcelArea, int parcelPrice, bool authenticated)
- { this.Stale = true; };
- }
- public void ParcelSplitHook(int west, int south, int east, int north, IClientAPI remote_client)
- {
- this.Stale = true;
- }
- public void ParcelPropsHook(LandUpdateArgs args, int local_id, IClientAPI remote_client)
- {
- this.Stale = true;
- }
- #endregion
- }
- }
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