393 lines
16 KiB
C#
393 lines
16 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Drawing;
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using System.IO;
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using System.Reflection;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using RegionFlags = OpenSim.Framework.RegionFlags;
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using Npgsql;
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namespace OpenSim.Data.PGSQL
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{
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/// <summary>
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/// A PGSQL Interface for the Region Server.
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/// </summary>
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public class PGSQLRegionData : IRegionData
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{
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private string m_Realm;
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private List<string> m_ColumnNames = null;
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private string m_ConnectionString;
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private PGSQLManager m_database;
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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protected Dictionary<string, string> m_FieldTypes = new Dictionary<string, string>();
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protected virtual Assembly Assembly
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{
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get { return GetType().Assembly; }
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}
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public PGSQLRegionData(string connectionString, string realm)
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{
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m_Realm = realm;
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m_ConnectionString = connectionString;
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m_database = new PGSQLManager(connectionString);
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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{
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conn.Open();
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Migration m = new Migration(conn, GetType().Assembly, "GridStore");
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m.Update();
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}
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LoadFieldTypes();
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}
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private void LoadFieldTypes()
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{
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m_FieldTypes = new Dictionary<string, string>();
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string query = string.Format(@"select column_name,data_type
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from INFORMATION_SCHEMA.COLUMNS
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where table_name = lower('{0}');
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", m_Realm);
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(query, conn))
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{
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conn.Open();
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using (NpgsqlDataReader rdr = cmd.ExecuteReader())
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{
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while (rdr.Read())
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{
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// query produces 0 to many rows of single column, so always add the first item in each row
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m_FieldTypes.Add((string)rdr[0], (string)rdr[1]);
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}
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}
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}
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}
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public List<RegionData> Get(string regionName, UUID scopeID)
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{
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string sql = "select * from "+m_Realm+" where lower(\"regionName\") like lower(:regionName) ";
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if (scopeID != UUID.Zero)
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sql += " and \"ScopeID\" = :scopeID";
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sql += " order by lower(\"regionName\")";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("regionName", regionName));
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if (scopeID != UUID.Zero)
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
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conn.Open();
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return RunCommand(cmd);
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}
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}
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public RegionData Get(int posX, int posY, UUID scopeID)
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{
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string sql = "select * from "+m_Realm+" where \"locX\" = :posX and \"locY\" = :posY";
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if (scopeID != UUID.Zero)
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sql += " and \"ScopeID\" = :scopeID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("posX", posX));
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cmd.Parameters.Add(m_database.CreateParameter("posY", posY));
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if (scopeID != UUID.Zero)
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
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conn.Open();
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List<RegionData> ret = RunCommand(cmd);
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if (ret.Count == 0)
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return null;
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return ret[0];
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}
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}
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public RegionData Get(UUID regionID, UUID scopeID)
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{
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string sql = "select * from "+m_Realm+" where uuid = :regionID";
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if (scopeID != UUID.Zero)
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sql += " and \"ScopeID\" = :scopeID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("regionID", regionID));
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if (scopeID != UUID.Zero)
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
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conn.Open();
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List<RegionData> ret = RunCommand(cmd);
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if (ret.Count == 0)
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return null;
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return ret[0];
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}
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}
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public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID)
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{
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string sql = "select * from "+m_Realm+" where \"locX\" between :startX and :endX and \"locY\" between :startY and :endY";
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if (scopeID != UUID.Zero)
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sql += " and \"ScopeID\" = :scopeID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("startX", startX));
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cmd.Parameters.Add(m_database.CreateParameter("startY", startY));
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cmd.Parameters.Add(m_database.CreateParameter("endX", endX));
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cmd.Parameters.Add(m_database.CreateParameter("endY", endY));
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
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conn.Open();
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return RunCommand(cmd);
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}
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}
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public List<RegionData> RunCommand(NpgsqlCommand cmd)
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{
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List<RegionData> retList = new List<RegionData>();
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NpgsqlDataReader result = cmd.ExecuteReader();
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while (result.Read())
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{
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RegionData ret = new RegionData();
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ret.Data = new Dictionary<string, object>();
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UUID regionID;
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UUID.TryParse(result["uuid"].ToString(), out regionID);
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ret.RegionID = regionID;
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UUID scope;
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UUID.TryParse(result["ScopeID"].ToString(), out scope);
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ret.ScopeID = scope;
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ret.RegionName = result["regionName"].ToString();
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ret.posX = Convert.ToInt32(result["locX"]);
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ret.posY = Convert.ToInt32(result["locY"]);
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ret.sizeX = Convert.ToInt32(result["sizeX"]);
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ret.sizeY = Convert.ToInt32(result["sizeY"]);
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if (m_ColumnNames == null)
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{
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m_ColumnNames = new List<string>();
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DataTable schemaTable = result.GetSchemaTable();
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foreach (DataRow row in schemaTable.Rows)
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m_ColumnNames.Add(row["ColumnName"].ToString());
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}
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foreach (string s in m_ColumnNames)
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{
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if (s == "uuid")
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continue;
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if (s == "ScopeID")
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continue;
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if (s == "regionName")
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continue;
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if (s == "locX")
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continue;
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if (s == "locY")
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continue;
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ret.Data[s] = result[s].ToString();
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}
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retList.Add(ret);
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}
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return retList;
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}
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public bool Store(RegionData data)
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{
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if (data.Data.ContainsKey("uuid"))
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data.Data.Remove("uuid");
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if (data.Data.ContainsKey("ScopeID"))
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data.Data.Remove("ScopeID");
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if (data.Data.ContainsKey("regionName"))
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data.Data.Remove("regionName");
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if (data.Data.ContainsKey("posX"))
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data.Data.Remove("posX");
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if (data.Data.ContainsKey("posY"))
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data.Data.Remove("posY");
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if (data.Data.ContainsKey("sizeX"))
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data.Data.Remove("sizeX");
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if (data.Data.ContainsKey("sizeY"))
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data.Data.Remove("sizeY");
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if (data.Data.ContainsKey("locX"))
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data.Data.Remove("locX");
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if (data.Data.ContainsKey("locY"))
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data.Data.Remove("locY");
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string[] fields = new List<string>(data.Data.Keys).ToArray();
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand())
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{
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string update = "update " + m_Realm + " set \"locX\"=:posX, \"locY\"=:posY, \"sizeX\"=:sizeX, \"sizeY\"=:sizeY ";
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foreach (string field in fields)
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{
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update += ", ";
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update += " \"" + field + "\" = :" + field;
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if (m_FieldTypes.ContainsKey(field))
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cmd.Parameters.Add(m_database.CreateParameter(field, data.Data[field], m_FieldTypes[field]));
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else
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cmd.Parameters.Add(m_database.CreateParameter(field, data.Data[field]));
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}
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update += " where uuid = :regionID";
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if (data.ScopeID != UUID.Zero)
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update += " and \"ScopeID\" = :scopeID";
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cmd.CommandText = update;
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cmd.Connection = conn;
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cmd.Parameters.Add(m_database.CreateParameter("regionID", data.RegionID));
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cmd.Parameters.Add(m_database.CreateParameter("regionName", data.RegionName));
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", data.ScopeID));
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cmd.Parameters.Add(m_database.CreateParameter("posX", data.posX));
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cmd.Parameters.Add(m_database.CreateParameter("posY", data.posY));
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cmd.Parameters.Add(m_database.CreateParameter("sizeX", data.sizeX));
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cmd.Parameters.Add(m_database.CreateParameter("sizeY", data.sizeY));
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conn.Open();
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try
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{
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if (cmd.ExecuteNonQuery() < 1)
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{
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string insert = "insert into " + m_Realm + " (uuid, \"ScopeID\", \"locX\", \"locY\", \"sizeX\", \"sizeY\", \"regionName\", \"" +
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String.Join("\", \"", fields) +
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"\") values (:regionID, :scopeID, :posX, :posY, :sizeX, :sizeY, :regionName, :" + String.Join(", :", fields) + ")";
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cmd.CommandText = insert;
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try
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{
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if (cmd.ExecuteNonQuery() < 1)
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{
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return false;
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}
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}
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catch (Exception ex)
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{
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m_log.Warn("[PGSQL Grid]: Error inserting into Regions table: " + ex.Message + ", INSERT sql: " + insert);
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}
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}
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}
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catch (Exception ex)
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{
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m_log.Warn("[PGSQL Grid]: Error updating Regions table: " + ex.Message + ", UPDATE sql: " + update);
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}
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}
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return true;
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}
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public bool SetDataItem(UUID regionID, string item, string value)
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{
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string sql = "update " + m_Realm +
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" set \"" + item + "\" = :" + item + " where uuid = :UUID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("" + item, value));
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cmd.Parameters.Add(m_database.CreateParameter("UUID", regionID));
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conn.Open();
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if (cmd.ExecuteNonQuery() > 0)
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return true;
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}
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return false;
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}
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public bool Delete(UUID regionID)
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{
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string sql = "delete from " + m_Realm +
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" where uuid = :UUID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("UUID", regionID));
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conn.Open();
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if (cmd.ExecuteNonQuery() > 0)
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return true;
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}
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return false;
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}
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public List<RegionData> GetDefaultRegions(UUID scopeID)
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{
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return Get((int)RegionFlags.DefaultRegion, scopeID);
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}
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public List<RegionData> GetDefaultHypergridRegions(UUID scopeID)
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{
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return Get((int)RegionFlags.DefaultHGRegion, scopeID);
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}
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public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
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{
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List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID);
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RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y);
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regions.Sort(distanceComparer);
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return regions;
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}
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public List<RegionData> GetHyperlinks(UUID scopeID)
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{
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return Get((int)RegionFlags.Hyperlink, scopeID);
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}
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private List<RegionData> Get(int regionFlags, UUID scopeID)
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{
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string sql = "SELECT * FROM " + m_Realm + " WHERE (\"flags\" & " + regionFlags.ToString() + ") <> 0";
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if (scopeID != UUID.Zero)
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sql += " AND \"ScopeID\" = :scopeID";
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using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
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using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
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{
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cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
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conn.Open();
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return RunCommand(cmd);
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}
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}
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}
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}
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