opensim-development – 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;
using System.Collections.Generic;
using System.Data;
using System.Reflection;
using MySql.Data.MySqlClient;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Data;
using RegionFlags = OpenSim.Framework.RegionFlags;
namespace OpenSim.Data.MySQL
{
public class MySqlRegionData : MySqlFramework, IRegionData
{
private string m_Realm;
private List<string> m_ColumnNames;
//private string m_connectionString;
protected virtual Assembly Assembly
{
get { return GetType().Assembly; }
}
public MySqlRegionData(string connectionString, string realm)
: base(connectionString)
{
m_Realm = realm;
m_connectionString = connectionString;
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
{
dbcon.Open();
Migration m = new Migration(dbcon, Assembly, "GridStore");
m.Update();
}
}
public List<RegionData> Get(string regionName, UUID scopeID)
{
string command = "select * from `"+m_Realm+"` where regionName like ?regionName";
if (scopeID != UUID.Zero)
command += " and ScopeID = ?scopeID";
command += " order by regionName";
using (MySqlCommand cmd = new MySqlCommand(command))
{
cmd.Parameters.AddWithValue("?regionName", regionName);
cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
return RunCommand(cmd);
}
}
public RegionData Get(int posX, int posY, UUID scopeID)
{
string command = "select * from `"+m_Realm+"` where locX = ?posX and locY = ?posY";
if (scopeID != UUID.Zero)
command += " and ScopeID = ?scopeID";
using (MySqlCommand cmd = new MySqlCommand(command))
{
cmd.Parameters.AddWithValue("?posX", posX.ToString());
cmd.Parameters.AddWithValue("?posY", posY.ToString());
cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
List<RegionData> ret = RunCommand(cmd);
if (ret.Count == 0)
return null;
return ret[0];
}
}
public RegionData Get(UUID regionID, UUID scopeID)
{
string command = "select * from `"+m_Realm+"` where uuid = ?regionID";
if (scopeID != UUID.Zero)
command += " and ScopeID = ?scopeID";
using (MySqlCommand cmd = new MySqlCommand(command))
{
cmd.Parameters.AddWithValue("?regionID", regionID.ToString());
cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
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 command = "select * from `"+m_Realm+"` where locX between ?startX and ?endX and locY between ?startY and ?endY";
if (scopeID != UUID.Zero)
command += " and ScopeID = ?scopeID";
using (MySqlCommand cmd = new MySqlCommand(command))
{
cmd.Parameters.AddWithValue("?startX", startX.ToString());
cmd.Parameters.AddWithValue("?startY", startY.ToString());
cmd.Parameters.AddWithValue("?endX", endX.ToString());
cmd.Parameters.AddWithValue("?endY", endY.ToString());
cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
return RunCommand(cmd);
}
}
public List<RegionData> RunCommand(MySqlCommand cmd)
{
List<RegionData> retList = new List<RegionData>();
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
{
dbcon.Open();
cmd.Connection = dbcon;
using (IDataReader result = cmd.ExecuteReader())
{
while (result.Read())
{
RegionData ret = new RegionData();
ret.Data = new Dictionary<string, object>();
ret.RegionID = DBGuid.FromDB(result["uuid"]);
ret.ScopeID = DBGuid.FromDB(result["ScopeID"]);
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"]);
CheckColumnNames(result);
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;
object value = result[s];
if (value is DBNull)
ret.Data[s] = null;
else
ret.Data[s] = result[s].ToString();
}
retList.Add(ret);
}
}
}
return retList;
}
private void CheckColumnNames(IDataReader result)
{
if (m_ColumnNames != null)
return;
List<string> columnNames = new List<string>();
DataTable schemaTable = result.GetSchemaTable();
foreach (DataRow row in schemaTable.Rows)
{
if (row["ColumnName"] != null)
columnNames.Add(row["ColumnName"].ToString());
}
m_ColumnNames = columnNames;
}
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");
if (data.RegionName.Length > 128)
data.RegionName = data.RegionName.Substring(0, 128);
string[] fields = new List<string>(data.Data.Keys).ToArray();
using (MySqlCommand cmd = new MySqlCommand())
{
string update = "update `" + m_Realm + "` set locX=?posX, locY=?posY, sizeX=?sizeX, sizeY=?sizeY";
foreach (string field in fields)
{
update += ", ";
update += "`" + field + "` = ?" + field;
cmd.Parameters.AddWithValue("?" + field, data.Data[field]);
}
update += " where uuid = ?regionID";
if (data.ScopeID != UUID.Zero)
update += " and ScopeID = ?scopeID";
cmd.CommandText = update;
cmd.Parameters.AddWithValue("?regionID", data.RegionID.ToString());
cmd.Parameters.AddWithValue("?regionName", data.RegionName);
cmd.Parameters.AddWithValue("?scopeID", data.ScopeID.ToString());
cmd.Parameters.AddWithValue("?posX", data.posX.ToString());
cmd.Parameters.AddWithValue("?posY", data.posY.ToString());
cmd.Parameters.AddWithValue("?sizeX", data.sizeX.ToString());
cmd.Parameters.AddWithValue("?sizeY", data.sizeY.ToString());
if (ExecuteNonQuery(cmd) < 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;
if (ExecuteNonQuery(cmd) < 1)
{
return false;
}
}
}
return true;
}
public bool SetDataItem(UUID regionID, string item, string value)
{
using (MySqlCommand cmd = new MySqlCommand("update `" + m_Realm + "` set `" + item + "` = ?" + item + " where uuid = ?UUID"))
{
cmd.Parameters.AddWithValue("?" + item, value);
cmd.Parameters.AddWithValue("?UUID", regionID.ToString());
if (ExecuteNonQuery(cmd) > 0)
return true;
}
return false;
}
public bool Delete(UUID regionID)
{
using (MySqlCommand cmd = new MySqlCommand("delete from `" + m_Realm + "` where uuid = ?UUID"))
{
cmd.Parameters.AddWithValue("?UUID", regionID.ToString());
if (ExecuteNonQuery(cmd) > 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 command = "select * from `" + m_Realm + "` where (flags & " + regionFlags.ToString() + ") <> 0";
if (scopeID != UUID.Zero)
command += " and ScopeID = ?scopeID";
using (MySqlCommand cmd = new MySqlCommand(command))
{
cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
return RunCommand(cmd);
}
}
}
}
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