123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904 |
- /*
- * 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 OpenSimulator 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 log4net;
- using MySql.Data.MySqlClient;
- using OpenMetaverse;
- using OpenSim.Framework;
- namespace OpenSim.Data.MySQL
- {
- /// <summary>
- /// A MySQL interface for the inventory server
- /// </summary>
- public class MySQLInventoryData : IInventoryDataPlugin
- {
- private static readonly ILog m_log
- = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
- /// <summary>
- /// The database manager
- /// </summary>
- private MySQLManager database;
- public void Initialise()
- {
- m_log.Info("[MySQLInventoryData]: " + Name + " cannot be default-initialized!");
- throw new PluginNotInitialisedException (Name);
- }
- /// <summary>
- /// <para>Initialises Inventory interface</para>
- /// <para>
- /// <list type="bullet">
- /// <item>Loads and initialises the MySQL storage plugin</item>
- /// <item>warns and uses the obsolete mysql_connection.ini if connect string is empty.</item>
- /// <item>Check for migration</item>
- /// </list>
- /// </para>
- /// </summary>
- /// <param name="connect">connect string</param>
- public void Initialise(string connect)
- {
- if (connect != String.Empty)
- {
- database = new MySQLManager(connect);
- }
- else
- {
- m_log.Warn("Reverting to deprecated mysql_connection.ini file for connection info");
- IniFile GridDataMySqlFile = new IniFile("mysql_connection.ini");
- string settingHostname = GridDataMySqlFile.ParseFileReadValue("hostname");
- string settingDatabase = GridDataMySqlFile.ParseFileReadValue("database");
- string settingUsername = GridDataMySqlFile.ParseFileReadValue("username");
- string settingPassword = GridDataMySqlFile.ParseFileReadValue("password");
- string settingPooling = GridDataMySqlFile.ParseFileReadValue("pooling");
- string settingPort = GridDataMySqlFile.ParseFileReadValue("port");
- database =
- new MySQLManager(settingHostname, settingDatabase, settingUsername, settingPassword, settingPooling,
- settingPort);
- }
- // This actually does the roll forward assembly stuff
- Assembly assem = GetType().Assembly;
- Migration m = new Migration(database.Connection, assem, "InventoryStore");
- m.Update();
- }
- /// <summary>
- /// The name of this DB provider
- /// </summary>
- /// <returns>Name of DB provider</returns>
- public string Name
- {
- get { return "MySQL Inventory Data Interface"; }
- }
- /// <summary>
- /// Closes this DB provider
- /// </summary>
- /// <remarks>do nothing</remarks>
- public void Dispose()
- {
- // Do nothing.
- }
- /// <summary>
- /// Returns the version of this DB provider
- /// </summary>
- /// <returns>A string containing the DB provider version</returns>
- public string Version
- {
- get { return database.getVersion(); }
- }
- /// <summary>
- /// Returns a list of items in a specified folder
- /// </summary>
- /// <param name="folderID">The folder to search</param>
- /// <returns>A list containing inventory items</returns>
- public List<InventoryItemBase> getInventoryInFolder(UUID folderID)
- {
- try
- {
- lock (database)
- {
- List<InventoryItemBase> items = new List<InventoryItemBase>();
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand("SELECT * FROM inventoryitems WHERE parentFolderID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", folderID.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- while (reader.Read())
- {
- // A null item (because something went wrong) breaks everything in the folder
- InventoryItemBase item = readInventoryItem(reader);
- if (item != null)
- items.Add(item);
- }
- reader.Close();
- result.Dispose();
- return items;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// Returns a list of the root folders within a users inventory
- /// </summary>
- /// <param name="user">The user whos inventory is to be searched</param>
- /// <returns>A list of folder objects</returns>
- public List<InventoryFolderBase> getUserRootFolders(UUID user)
- {
- try
- {
- lock (database)
- {
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand(
- "SELECT * FROM inventoryfolders WHERE parentFolderID = ?zero AND agentID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", user.ToString());
- result.Parameters.AddWithValue("?zero", UUID.Zero.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- List<InventoryFolderBase> items = new List<InventoryFolderBase>();
- while (reader.Read())
- items.Add(readInventoryFolder(reader));
- reader.Close();
- result.Dispose();
- return items;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// see <see cref="InventoryItemBase.getUserRootFolder"/>
- /// </summary>
- /// <param name="user">The user UUID</param>
- /// <returns></returns>
- public InventoryFolderBase getUserRootFolder(UUID user)
- {
- try
- {
- lock (database)
- {
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand(
- "SELECT * FROM inventoryfolders WHERE parentFolderID = ?zero AND agentID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", user.ToString());
- result.Parameters.AddWithValue("?zero", UUID.Zero.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- List<InventoryFolderBase> items = new List<InventoryFolderBase>();
- while (reader.Read())
- items.Add(readInventoryFolder(reader));
- InventoryFolderBase rootFolder = null;
- // There should only ever be one root folder for a user. However, if there's more
- // than one we'll simply use the first one rather than failing. It would be even
- // nicer to print some message to this effect, but this feels like it's too low a
- // to put such a message out, and it's too minor right now to spare the time to
- // suitably refactor.
- if (items.Count > 0)
- {
- rootFolder = items[0];
- }
- reader.Close();
- result.Dispose();
- return rootFolder;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// Return a list of folders in a users inventory contained within the specified folder.
- /// This method is only used in tests - in normal operation the user always have one,
- /// and only one, root folder.
- /// </summary>
- /// <param name="parentID">The folder to search</param>
- /// <returns>A list of inventory folders</returns>
- public List<InventoryFolderBase> getInventoryFolders(UUID parentID)
- {
- try
- {
- lock (database)
- {
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand("SELECT * FROM inventoryfolders WHERE parentFolderID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", parentID.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- List<InventoryFolderBase> items = new List<InventoryFolderBase>();
- while (reader.Read())
- items.Add(readInventoryFolder(reader));
- reader.Close();
- result.Dispose();
- return items;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// Reads a one item from an SQL result
- /// </summary>
- /// <param name="reader">The SQL Result</param>
- /// <returns>the item read</returns>
- private static InventoryItemBase readInventoryItem(MySqlDataReader reader)
- {
- try
- {
- InventoryItemBase item = new InventoryItemBase();
- // TODO: this is to handle a case where NULLs creep in there, which we are not sure is indemic to the system, or legacy. It would be nice to live fix these.
- if (reader["creatorID"] == null)
- {
- item.CreatorId = UUID.Zero.ToString();
- }
- else
- {
- item.CreatorId = (string)reader["creatorID"];
- }
-
- // Be a bit safer in parsing these because the
- // database doesn't enforce them to be not null, and
- // the inventory still works if these are weird in the
- // db
- UUID Owner = UUID.Zero;
- UUID GroupID = UUID.Zero;
- UUID.TryParse((string)reader["avatarID"], out Owner);
- UUID.TryParse((string)reader["groupID"], out GroupID);
- item.Owner = Owner;
- item.GroupID = GroupID;
- // Rest of the parsing. If these UUID's fail, we're dead anyway
- item.ID = new UUID((string) reader["inventoryID"]);
- item.AssetID = new UUID((string) reader["assetID"]);
- item.AssetType = (int) reader["assetType"];
- item.Folder = new UUID((string) reader["parentFolderID"]);
- item.Name = (string) reader["inventoryName"];
- item.Description = (string) reader["inventoryDescription"];
- item.NextPermissions = (uint) reader["inventoryNextPermissions"];
- item.CurrentPermissions = (uint) reader["inventoryCurrentPermissions"];
- item.InvType = (int) reader["invType"];
- item.BasePermissions = (uint) reader["inventoryBasePermissions"];
- item.EveryOnePermissions = (uint) reader["inventoryEveryOnePermissions"];
- item.GroupPermissions = (uint) reader["inventoryGroupPermissions"];
- item.SalePrice = (int) reader["salePrice"];
- item.SaleType = Convert.ToByte(reader["saleType"]);
- item.CreationDate = (int) reader["creationDate"];
- item.GroupOwned = Convert.ToBoolean(reader["groupOwned"]);
- item.Flags = (uint) reader["flags"];
- return item;
- }
- catch (MySqlException e)
- {
- m_log.Error(e.ToString());
- }
- return null;
- }
- /// <summary>
- /// Returns a specified inventory item
- /// </summary>
- /// <param name="item">The item to return</param>
- /// <returns>An inventory item</returns>
- public InventoryItemBase getInventoryItem(UUID itemID)
- {
- try
- {
- lock (database)
- {
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand("SELECT * FROM inventoryitems WHERE inventoryID = ?uuid", database.Connection);
- result.Parameters.AddWithValue("?uuid", itemID.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- InventoryItemBase item = null;
- if (reader.Read())
- item = readInventoryItem(reader);
- reader.Close();
- result.Dispose();
- return item;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- }
- return null;
- }
- /// <summary>
- /// Reads a list of inventory folders returned by a query.
- /// </summary>
- /// <param name="reader">A MySQL Data Reader</param>
- /// <returns>A List containing inventory folders</returns>
- protected static InventoryFolderBase readInventoryFolder(MySqlDataReader reader)
- {
- try
- {
- InventoryFolderBase folder = new InventoryFolderBase();
- folder.Owner = new UUID((string) reader["agentID"]);
- folder.ParentID = new UUID((string) reader["parentFolderID"]);
- folder.ID = new UUID((string) reader["folderID"]);
- folder.Name = (string) reader["folderName"];
- folder.Type = (short) reader["type"];
- folder.Version = (ushort) ((int) reader["version"]);
- return folder;
- }
- catch (Exception e)
- {
- m_log.Error(e.ToString());
- }
- return null;
- }
- /// <summary>
- /// Returns a specified inventory folder
- /// </summary>
- /// <param name="folder">The folder to return</param>
- /// <returns>A folder class</returns>
- public InventoryFolderBase getInventoryFolder(UUID folderID)
- {
- try
- {
- lock (database)
- {
- database.CheckConnection();
- MySqlCommand result =
- new MySqlCommand("SELECT * FROM inventoryfolders WHERE folderID = ?uuid", database.Connection);
- result.Parameters.AddWithValue("?uuid", folderID.ToString());
- MySqlDataReader reader = result.ExecuteReader();
- reader.Read();
- InventoryFolderBase folder = readInventoryFolder(reader);
- reader.Close();
- result.Dispose();
- return folder;
- }
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// Adds a specified item to the database
- /// </summary>
- /// <param name="item">The inventory item</param>
- public void addInventoryItem(InventoryItemBase item)
- {
- string sql =
- "REPLACE INTO inventoryitems (inventoryID, assetID, assetType, parentFolderID, avatarID, inventoryName"
- + ", inventoryDescription, inventoryNextPermissions, inventoryCurrentPermissions, invType"
- + ", creatorID, inventoryBasePermissions, inventoryEveryOnePermissions, inventoryGroupPermissions, salePrice, saleType"
- + ", creationDate, groupID, groupOwned, flags) VALUES ";
- sql +=
- "(?inventoryID, ?assetID, ?assetType, ?parentFolderID, ?avatarID, ?inventoryName, ?inventoryDescription"
- + ", ?inventoryNextPermissions, ?inventoryCurrentPermissions, ?invType, ?creatorID"
- + ", ?inventoryBasePermissions, ?inventoryEveryOnePermissions, ?inventoryGroupPermissions, ?salePrice, ?saleType, ?creationDate"
- + ", ?groupID, ?groupOwned, ?flags)";
- string itemName = item.Name;
- if (item.Name.Length > 64)
- {
- itemName = item.Name.Substring(0, 64);
- m_log.Warn("[INVENTORY DB]: Name field truncated from " + item.Name.Length + " to " + itemName.Length + " characters on add item");
- }
-
- string itemDesc = item.Description;
- if (item.Description.Length > 128)
- {
- itemDesc = item.Description.Substring(0, 128);
- m_log.Warn("[INVENTORY DB]: Description field truncated from " + item.Description.Length + " to " + itemDesc.Length + " characters on add item");
- }
- try
- {
- database.CheckConnection();
- MySqlCommand result = new MySqlCommand(sql, database.Connection);
- result.Parameters.AddWithValue("?inventoryID", item.ID.ToString());
- result.Parameters.AddWithValue("?assetID", item.AssetID.ToString());
- result.Parameters.AddWithValue("?assetType", item.AssetType.ToString());
- result.Parameters.AddWithValue("?parentFolderID", item.Folder.ToString());
- result.Parameters.AddWithValue("?avatarID", item.Owner.ToString());
- result.Parameters.AddWithValue("?inventoryName", itemName);
- result.Parameters.AddWithValue("?inventoryDescription", itemDesc);
- result.Parameters.AddWithValue("?inventoryNextPermissions", item.NextPermissions.ToString());
- result.Parameters.AddWithValue("?inventoryCurrentPermissions",
- item.CurrentPermissions.ToString());
- result.Parameters.AddWithValue("?invType", item.InvType);
- result.Parameters.AddWithValue("?creatorID", item.CreatorId);
- result.Parameters.AddWithValue("?inventoryBasePermissions", item.BasePermissions);
- result.Parameters.AddWithValue("?inventoryEveryOnePermissions", item.EveryOnePermissions);
- result.Parameters.AddWithValue("?inventoryGroupPermissions", item.GroupPermissions);
- result.Parameters.AddWithValue("?salePrice", item.SalePrice);
- result.Parameters.AddWithValue("?saleType", item.SaleType);
- result.Parameters.AddWithValue("?creationDate", item.CreationDate);
- result.Parameters.AddWithValue("?groupID", item.GroupID);
- result.Parameters.AddWithValue("?groupOwned", item.GroupOwned);
- result.Parameters.AddWithValue("?flags", item.Flags);
- lock (database)
- {
- result.ExecuteNonQuery();
- }
- result.Dispose();
- result = new MySqlCommand("update inventoryfolders set version=version+1 where folderID = ?folderID", database.Connection);
- result.Parameters.AddWithValue("?folderID", item.Folder.ToString
- ());
- lock (database)
- {
- result.ExecuteNonQuery();
- }
- result.Dispose();
- }
- catch (MySqlException e)
- {
- m_log.Error(e.ToString());
- }
- }
- /// <summary>
- /// Updates the specified inventory item
- /// </summary>
- /// <param name="item">Inventory item to update</param>
- public void updateInventoryItem(InventoryItemBase item)
- {
- addInventoryItem(item);
- }
- /// <summary>
- /// Detele the specified inventory item
- /// </summary>
- /// <param name="item">The inventory item UUID to delete</param>
- public void deleteInventoryItem(UUID itemID)
- {
- try
- {
- database.CheckConnection();
- MySqlCommand cmd =
- new MySqlCommand("DELETE FROM inventoryitems WHERE inventoryID=?uuid", database.Connection);
- cmd.Parameters.AddWithValue("?uuid", itemID.ToString());
- lock (database)
- {
- cmd.ExecuteNonQuery();
- }
- }
- catch (MySqlException e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- }
- }
- public InventoryItemBase queryInventoryItem(UUID itemID)
- {
- return getInventoryItem(itemID);
- }
- public InventoryFolderBase queryInventoryFolder(UUID folderID)
- {
- return getInventoryFolder(folderID);
- }
- /// <summary>
- /// Creates a new inventory folder
- /// </summary>
- /// <param name="folder">Folder to create</param>
- public void addInventoryFolder(InventoryFolderBase folder)
- {
- string sql =
- "REPLACE INTO inventoryfolders (folderID, agentID, parentFolderID, folderName, type, version) VALUES ";
- sql += "(?folderID, ?agentID, ?parentFolderID, ?folderName, ?type, ?version)";
- string folderName = folder.Name;
- if (folderName.Length > 64)
- {
- folderName = folderName.Substring(0, 64);
- m_log.Warn("[INVENTORY DB]: Name field truncated from " + folder.Name.Length + " to " + folderName.Length + " characters on add folder");
- }
- database.CheckConnection();
- MySqlCommand cmd = new MySqlCommand(sql, database.Connection);
- cmd.Parameters.AddWithValue("?folderID", folder.ID.ToString());
- cmd.Parameters.AddWithValue("?agentID", folder.Owner.ToString());
- cmd.Parameters.AddWithValue("?parentFolderID", folder.ParentID.ToString());
- cmd.Parameters.AddWithValue("?folderName", folderName);
- cmd.Parameters.AddWithValue("?type", (short) folder.Type);
- cmd.Parameters.AddWithValue("?version", folder.Version);
- try
- {
- lock (database)
- {
- cmd.ExecuteNonQuery();
- }
- }
- catch (Exception e)
- {
- m_log.Error(e.ToString());
- }
- }
- /// <summary>
- /// Updates an inventory folder
- /// </summary>
- /// <param name="folder">Folder to update</param>
- public void updateInventoryFolder(InventoryFolderBase folder)
- {
- addInventoryFolder(folder);
- }
- /// <summary>
- /// Move an inventory folder
- /// </summary>
- /// <param name="folder">Folder to move</param>
- /// <remarks>UPDATE inventoryfolders SET parentFolderID=?parentFolderID WHERE folderID=?folderID</remarks>
- public void moveInventoryFolder(InventoryFolderBase folder)
- {
- string sql =
- "UPDATE inventoryfolders SET parentFolderID=?parentFolderID WHERE folderID=?folderID";
- database.CheckConnection();
- MySqlCommand cmd = new MySqlCommand(sql, database.Connection);
- cmd.Parameters.AddWithValue("?folderID", folder.ID.ToString());
- cmd.Parameters.AddWithValue("?parentFolderID", folder.ParentID.ToString());
- try
- {
- lock (database)
- {
- cmd.ExecuteNonQuery();
- }
- }
- catch (Exception e)
- {
- m_log.Error(e.ToString());
- }
- }
- /// <summary>
- /// Append a list of all the child folders of a parent folder
- /// </summary>
- /// <param name="folders">list where folders will be appended</param>
- /// <param name="parentID">ID of parent</param>
- protected void getInventoryFolders(ref List<InventoryFolderBase> folders, UUID parentID)
- {
- List<InventoryFolderBase> subfolderList = getInventoryFolders(parentID);
- foreach (InventoryFolderBase f in subfolderList)
- folders.Add(f);
- }
- /// <summary>
- /// See IInventoryDataPlugin
- /// </summary>
- /// <param name="parentID"></param>
- /// <returns></returns>
- public List<InventoryFolderBase> getFolderHierarchy(UUID parentID)
- {
- /* Note: There are subtle changes between this implementation of getFolderHierarchy and the previous one
- * - We will only need to hit the database twice instead of n times.
- * - We assume the database is well-formed - no stranded/dangling folders, all folders in heirarchy owned
- * by the same person, each user only has 1 inventory heirarchy
- * - The returned list is not ordered, instead of breadth-first ordered
- There are basically 2 usage cases for getFolderHeirarchy:
- 1) Getting the user's entire inventory heirarchy when they log in
- 2) Finding a subfolder heirarchy to delete when emptying the trash.
- This implementation will pull all inventory folders from the database, and then prune away any folder that
- is not part of the requested sub-heirarchy. The theory is that it is cheaper to make 1 request from the
- database than to make n requests. This pays off only if requested heirarchy is large.
- By making this choice, we are making the worst case better at the cost of making the best case worse.
- This way is generally better because we don't have to rebuild the connection/sql query per subfolder,
- even if we end up getting more data from the SQL server than we need.
- - Francis
- */
- try
- {
- List<InventoryFolderBase> folders = new List<InventoryFolderBase>();
- Dictionary<UUID, List<InventoryFolderBase>> hashtable
- = new Dictionary<UUID, List<InventoryFolderBase>>(); ;
- List<InventoryFolderBase> parentFolder = new List<InventoryFolderBase>();
- lock (database)
- {
- MySqlCommand result;
- MySqlDataReader reader;
- bool buildResultsFromHashTable = false;
- database.CheckConnection();
- /* Fetch the parent folder from the database to determine the agent ID, and if
- * we're querying the root of the inventory folder tree */
- result = new MySqlCommand("SELECT * FROM inventoryfolders WHERE folderID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", parentID.ToString());
- reader = result.ExecuteReader();
- while (reader.Read()) // Should be at most 1 result
- parentFolder.Add(readInventoryFolder(reader));
- reader.Close();
- result.Dispose();
- if (parentFolder.Count >= 1) // No result means parent folder does not exist
- {
- if (parentFolder[0].ParentID == UUID.Zero) // We are querying the root folder
- {
- /* Get all of the agent's folders from the database, put them in a list and return it */
- result = new MySqlCommand("SELECT * FROM inventoryfolders WHERE agentID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", parentFolder[0].Owner.ToString());
- reader = result.ExecuteReader();
- while (reader.Read())
- {
- InventoryFolderBase curFolder = readInventoryFolder(reader);
- if (curFolder.ID != parentID) // Do not need to add the root node of the tree to the list
- folders.Add(curFolder);
- }
- reader.Close();
- result.Dispose();
- } // if we are querying the root folder
- else // else we are querying a subtree of the inventory folder tree
- {
- /* Get all of the agent's folders from the database, put them all in a hash table
- * indexed by their parent ID */
- result = new MySqlCommand("SELECT * FROM inventoryfolders WHERE agentID = ?uuid",
- database.Connection);
- result.Parameters.AddWithValue("?uuid", parentFolder[0].Owner.ToString());
- reader = result.ExecuteReader();
- while (reader.Read())
- {
- InventoryFolderBase curFolder = readInventoryFolder(reader);
- if (hashtable.ContainsKey(curFolder.ParentID)) // Current folder already has a sibling
- hashtable[curFolder.ParentID].Add(curFolder); // append to sibling list
- else // else current folder has no known (yet) siblings
- {
- List<InventoryFolderBase> siblingList = new List<InventoryFolderBase>();
- siblingList.Add(curFolder);
- // Current folder has no known (yet) siblings
- hashtable.Add(curFolder.ParentID, siblingList);
- }
- } // while more items to read from the database
- reader.Close();
- result.Dispose();
- // Set flag so we know we need to build the results from the hash table after
- // we unlock the database
- buildResultsFromHashTable = true;
- } // else we are querying a subtree of the inventory folder tree
- } // if folder parentID exists
- if (buildResultsFromHashTable)
- {
- /* We have all of the user's folders stored in a hash table indexed by their parent ID
- * and we need to return the requested subtree. We will build the requested subtree
- * by performing a breadth-first-search on the hash table */
- if (hashtable.ContainsKey(parentID))
- folders.AddRange(hashtable[parentID]);
- for (int i = 0; i < folders.Count; i++) // **Note: folders.Count is *not* static
- if (hashtable.ContainsKey(folders[i].ID))
- folders.AddRange(hashtable[folders[i].ID]);
- }
- } // lock (database)
- return folders;
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- }
- /// <summary>
- /// Delete a folder from database
- /// </summary>
- /// <param name="folderID">the folder UUID</param>
- protected void deleteOneFolder(UUID folderID)
- {
- try
- {
- database.CheckConnection();
- MySqlCommand cmd =
- new MySqlCommand("DELETE FROM inventoryfolders WHERE folderID=?uuid", database.Connection);
- cmd.Parameters.AddWithValue("?uuid", folderID.ToString());
- lock (database)
- {
- cmd.ExecuteNonQuery();
- }
- }
- catch (MySqlException e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- }
- }
- /// <summary>
- /// Delete all item in a folder
- /// </summary>
- /// <param name="folderID">the folder UUID</param>
- protected void deleteItemsInFolder(UUID folderID)
- {
- try
- {
- database.CheckConnection();
- MySqlCommand cmd =
- new MySqlCommand("DELETE FROM inventoryitems WHERE parentFolderID=?uuid", database.Connection);
- cmd.Parameters.AddWithValue("?uuid", folderID.ToString());
- lock (database)
- {
- cmd.ExecuteNonQuery();
- }
- }
- catch (MySqlException e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- }
- }
- /// <summary>
- /// Deletes an inventory folder
- /// </summary>
- /// <param name="folderId">Id of folder to delete</param>
- public void deleteInventoryFolder(UUID folderID)
- {
- List<InventoryFolderBase> subFolders = getFolderHierarchy(folderID);
- //Delete all sub-folders
- foreach (InventoryFolderBase f in subFolders)
- {
- deleteOneFolder(f.ID);
- deleteItemsInFolder(f.ID);
- }
- //Delete the actual row
- deleteOneFolder(folderID);
- deleteItemsInFolder(folderID);
- }
-
- public List<InventoryItemBase> fetchActiveGestures(UUID avatarID)
- {
- MySqlDataReader result = null;
- MySqlCommand sqlCmd = null;
- lock (database)
- {
- try
- {
- database.CheckConnection();
- sqlCmd = new MySqlCommand(
- "SELECT * FROM inventoryitems WHERE avatarId = ?uuid AND assetType = ?type and flags = 1",
- database.Connection);
- sqlCmd.Parameters.AddWithValue("?uuid", avatarID.ToString());
- sqlCmd.Parameters.AddWithValue("?type", (int)AssetType.Gesture);
- result = sqlCmd.ExecuteReader();
- List<InventoryItemBase> list = new List<InventoryItemBase>();
- while (result.Read())
- {
- InventoryItemBase item = readInventoryItem(result);
- if (item != null)
- list.Add(item);
- }
- return list;
- }
- catch (Exception e)
- {
- database.Reconnect();
- m_log.Error(e.ToString());
- return null;
- }
- finally
- {
- if (result != null) result.Close();
- if (sqlCmd != null) sqlCmd.Dispose();
- }
- }
- }
- }
- }
|