opensim – Rev 1
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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 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.Data;
using System.Drawing;
using System.IO;
using System.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using RegionFlags = OpenSim.Framework.RegionFlags;
using Npgsql;
namespace OpenSim.Data.PGSQL
{
/// <summary>
/// A PGSQL Interface for the Region Server.
/// </summary>
public class PGSQLRegionData : IRegionData
{
private string m_Realm;
private List<string> m_ColumnNames = null;
private string m_ConnectionString;
private PGSQLManager m_database;
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected Dictionary<string, string> m_FieldTypes = new Dictionary<string, string>();
protected virtual Assembly Assembly
{
get { return GetType().Assembly; }
}
public PGSQLRegionData(string connectionString, string realm)
{
m_Realm = realm;
m_ConnectionString = connectionString;
m_database = new PGSQLManager(connectionString);
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
{
conn.Open();
Migration m = new Migration(conn, GetType().Assembly, "GridStore");
m.Update();
}
LoadFieldTypes();
}
private void LoadFieldTypes()
{
m_FieldTypes = new Dictionary<string, string>();
string query = string.Format(@"select column_name,data_type
from INFORMATION_SCHEMA.COLUMNS
where table_name = lower('{0}');
", m_Realm);
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(query, conn))
{
conn.Open();
using (NpgsqlDataReader rdr = cmd.ExecuteReader())
{
while (rdr.Read())
{
// query produces 0 to many rows of single column, so always add the first item in each row
m_FieldTypes.Add((string)rdr[0], (string)rdr[1]);
}
}
}
}
public List<RegionData> Get(string regionName, UUID scopeID)
{
string sql = "select * from "+m_Realm+" where lower(\"regionName\") like lower(:regionName) ";
if (scopeID != UUID.Zero)
sql += " and \"ScopeID\" = :scopeID";
sql += " order by lower(\"regionName\")";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("regionName", regionName));
if (scopeID != UUID.Zero)
cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
conn.Open();
return RunCommand(cmd);
}
}
public RegionData Get(int posX, int posY, UUID scopeID)
{
string sql = "select * from "+m_Realm+" where \"locX\" = :posX and \"locY\" = :posY";
if (scopeID != UUID.Zero)
sql += " and \"ScopeID\" = :scopeID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("posX", posX));
cmd.Parameters.Add(m_database.CreateParameter("posY", posY));
if (scopeID != UUID.Zero)
cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
conn.Open();
List<RegionData> ret = RunCommand(cmd);
if (ret.Count == 0)
return null;
return ret[0];
}
}
public RegionData Get(UUID regionID, UUID scopeID)
{
string sql = "select * from "+m_Realm+" where uuid = :regionID";
if (scopeID != UUID.Zero)
sql += " and \"ScopeID\" = :scopeID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("regionID", regionID));
if (scopeID != UUID.Zero)
cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
conn.Open();
List<RegionData> ret = RunCommand(cmd);
if (ret.Count == 0)
return null;
return ret[0];
}
}
public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID)
{
string sql = "select * from "+m_Realm+" where \"locX\" between :startX and :endX and \"locY\" between :startY and :endY";
if (scopeID != UUID.Zero)
sql += " and \"ScopeID\" = :scopeID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("startX", startX));
cmd.Parameters.Add(m_database.CreateParameter("startY", startY));
cmd.Parameters.Add(m_database.CreateParameter("endX", endX));
cmd.Parameters.Add(m_database.CreateParameter("endY", endY));
cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
conn.Open();
return RunCommand(cmd);
}
}
public List<RegionData> RunCommand(NpgsqlCommand cmd)
{
List<RegionData> retList = new List<RegionData>();
NpgsqlDataReader result = cmd.ExecuteReader();
while (result.Read())
{
RegionData ret = new RegionData();
ret.Data = new Dictionary<string, object>();
UUID regionID;
UUID.TryParse(result["uuid"].ToString(), out regionID);
ret.RegionID = regionID;
UUID scope;
UUID.TryParse(result["ScopeID"].ToString(), out scope);
ret.ScopeID = scope;
ret.RegionName = result["regionName"].ToString();
ret.posX = Convert.ToInt32(result["locX"]);
ret.posY = Convert.ToInt32(result["locY"]);
ret.sizeX = Convert.ToInt32(result["sizeX"]);
ret.sizeY = Convert.ToInt32(result["sizeY"]);
if (m_ColumnNames == null)
{
m_ColumnNames = new List<string>();
DataTable schemaTable = result.GetSchemaTable();
foreach (DataRow row in schemaTable.Rows)
m_ColumnNames.Add(row["ColumnName"].ToString());
}
foreach (string s in m_ColumnNames)
{
if (s == "uuid")
continue;
if (s == "ScopeID")
continue;
if (s == "regionName")
continue;
if (s == "locX")
continue;
if (s == "locY")
continue;
ret.Data[s] = result[s].ToString();
}
retList.Add(ret);
}
return retList;
}
public bool Store(RegionData data)
{
if (data.Data.ContainsKey("uuid"))
data.Data.Remove("uuid");
if (data.Data.ContainsKey("ScopeID"))
data.Data.Remove("ScopeID");
if (data.Data.ContainsKey("regionName"))
data.Data.Remove("regionName");
if (data.Data.ContainsKey("posX"))
data.Data.Remove("posX");
if (data.Data.ContainsKey("posY"))
data.Data.Remove("posY");
if (data.Data.ContainsKey("sizeX"))
data.Data.Remove("sizeX");
if (data.Data.ContainsKey("sizeY"))
data.Data.Remove("sizeY");
if (data.Data.ContainsKey("locX"))
data.Data.Remove("locX");
if (data.Data.ContainsKey("locY"))
data.Data.Remove("locY");
string[] fields = new List<string>(data.Data.Keys).ToArray();
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand())
{
string update = "update " + m_Realm + " set \"locX\"=:posX, \"locY\"=:posY, \"sizeX\"=:sizeX, \"sizeY\"=:sizeY ";
foreach (string field in fields)
{
update += ", ";
update += " \"" + field + "\" = :" + field;
if (m_FieldTypes.ContainsKey(field))
cmd.Parameters.Add(m_database.CreateParameter(field, data.Data[field], m_FieldTypes[field]));
else
cmd.Parameters.Add(m_database.CreateParameter(field, data.Data[field]));
}
update += " where uuid = :regionID";
if (data.ScopeID != UUID.Zero)
update += " and \"ScopeID\" = :scopeID";
cmd.CommandText = update;
cmd.Connection = conn;
cmd.Parameters.Add(m_database.CreateParameter("regionID", data.RegionID));
cmd.Parameters.Add(m_database.CreateParameter("regionName", data.RegionName));
cmd.Parameters.Add(m_database.CreateParameter("scopeID", data.ScopeID));
cmd.Parameters.Add(m_database.CreateParameter("posX", data.posX));
cmd.Parameters.Add(m_database.CreateParameter("posY", data.posY));
cmd.Parameters.Add(m_database.CreateParameter("sizeX", data.sizeX));
cmd.Parameters.Add(m_database.CreateParameter("sizeY", data.sizeY));
conn.Open();
try
{
if (cmd.ExecuteNonQuery() < 1)
{
string insert = "insert into " + m_Realm + " (uuid, \"ScopeID\", \"locX\", \"locY\", \"sizeX\", \"sizeY\", \"regionName\", \"" +
String.Join("\", \"", fields) +
"\") values (:regionID, :scopeID, :posX, :posY, :sizeX, :sizeY, :regionName, :" + String.Join(", :", fields) + ")";
cmd.CommandText = insert;
try
{
if (cmd.ExecuteNonQuery() < 1)
{
return false;
}
}
catch (Exception ex)
{
m_log.Warn("[PGSQL Grid]: Error inserting into Regions table: " + ex.Message + ", INSERT sql: " + insert);
}
}
}
catch (Exception ex)
{
m_log.Warn("[PGSQL Grid]: Error updating Regions table: " + ex.Message + ", UPDATE sql: " + update);
}
}
return true;
}
public bool SetDataItem(UUID regionID, string item, string value)
{
string sql = "update " + m_Realm +
" set \"" + item + "\" = :" + item + " where uuid = :UUID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("" + item, value));
cmd.Parameters.Add(m_database.CreateParameter("UUID", regionID));
conn.Open();
if (cmd.ExecuteNonQuery() > 0)
return true;
}
return false;
}
public bool Delete(UUID regionID)
{
string sql = "delete from " + m_Realm +
" where uuid = :UUID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("UUID", regionID));
conn.Open();
if (cmd.ExecuteNonQuery() > 0)
return true;
}
return false;
}
public List<RegionData> GetDefaultRegions(UUID scopeID)
{
return Get((int)RegionFlags.DefaultRegion, scopeID);
}
public List<RegionData> GetDefaultHypergridRegions(UUID scopeID)
{
return Get((int)RegionFlags.DefaultHGRegion, scopeID);
}
public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
{
List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID);
RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y);
regions.Sort(distanceComparer);
return regions;
}
public List<RegionData> GetHyperlinks(UUID scopeID)
{
return Get((int)RegionFlags.Hyperlink, scopeID);
}
private List<RegionData> Get(int regionFlags, UUID scopeID)
{
string sql = "SELECT * FROM " + m_Realm + " WHERE (\"flags\" & " + regionFlags.ToString() + ") <> 0";
if (scopeID != UUID.Zero)
sql += " AND \"ScopeID\" = :scopeID";
using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("scopeID", scopeID));
conn.Open();
return RunCommand(cmd);
}
}
}
}