OpenSimMirror/OpenGridServices/OpenGrid.Framework.Data.SQLite/SQLiteManager.cs

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/*
* Copyright (c) Contributors, http://www.openmetaverse.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.Text;
using System.Data;
using System.Data.SQLite;
using OpenGrid.Framework.Data;
namespace OpenGrid.Framework.Data.SQLite
{
class SQLiteManager
{
IDbConnection dbcon;
/// <summary>
/// Initialises and creates a new SQLite connection and maintains it.
/// </summary>
/// <param name="hostname">The SQLite server being connected to</param>
/// <param name="database">The name of the SQLite database being used</param>
/// <param name="username">The username logging into the database</param>
/// <param name="password">The password for the user logging in</param>
/// <param name="cpooling">Whether to use connection pooling or not, can be one of the following: 'yes', 'true', 'no' or 'false', if unsure use 'false'.</param>
public SQLiteManager(string hostname, string database, string username, string password, string cpooling)
{
try
{
string connectionString = "URI=file:GridServerSqlite.db;";
dbcon = new SQLiteConnection(connectionString);
dbcon.Open();
}
catch (Exception e)
{
throw new Exception("Error initialising SQLite Database: " + e.ToString());
}
}
/// <summary>
/// Shuts down the database connection
/// </summary>
public void Close()
{
dbcon.Close();
dbcon = null;
}
/// <summary>
/// Runs a query with protection against SQL Injection by using parameterised input.
/// </summary>
/// <param name="sql">The SQL string - replace any variables such as WHERE x = "y" with WHERE x = @y</param>
/// <param name="parameters">The parameters - index so that @y is indexed as 'y'</param>
/// <returns>A SQLite DB Command</returns>
public IDbCommand Query(string sql, Dictionary<string, string> parameters)
{
SQLiteCommand dbcommand = (SQLiteCommand)dbcon.CreateCommand();
dbcommand.CommandText = sql;
foreach (KeyValuePair<string, string> param in parameters)
{
SQLiteParameter paramx = new SQLiteParameter(param.Key,param.Value);
dbcommand.Parameters.Add(paramx);
}
return (IDbCommand)dbcommand;
}
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/// <summary>
/// Reads a region row from a database reader
/// </summary>
/// <param name="reader">An active database reader</param>
/// <returns>A region profile</returns>
public SimProfileData getRow(IDataReader reader)
{
SimProfileData retval = new SimProfileData();
if (reader.Read())
{
// Region Main
retval.regionHandle = (ulong)reader["regionHandle"];
retval.regionName = (string)reader["regionName"];
retval.UUID = new libsecondlife.LLUUID((string)reader["uuid"]);
// Secrets
retval.regionRecvKey = (string)reader["regionRecvKey"];
retval.regionSecret = (string)reader["regionSecret"];
retval.regionSendKey = (string)reader["regionSendKey"];
// Region Server
retval.regionDataURI = (string)reader["regionDataURI"];
retval.regionOnline = false; // Needs to be pinged before this can be set.
retval.serverIP = (string)reader["serverIP"];
retval.serverPort = (uint)reader["serverPort"];
retval.serverURI = (string)reader["serverURI"];
// Location
retval.regionLocX = (uint)((int)reader["locX"]);
retval.regionLocY = (uint)((int)reader["locY"]);
retval.regionLocZ = (uint)((int)reader["locZ"]);
// Neighbours - 0 = No Override
retval.regionEastOverrideHandle = (ulong)reader["eastOverrideHandle"];
retval.regionWestOverrideHandle = (ulong)reader["westOverrideHandle"];
retval.regionSouthOverrideHandle = (ulong)reader["southOverrideHandle"];
retval.regionNorthOverrideHandle = (ulong)reader["northOverrideHandle"];
// Assets
retval.regionAssetURI = (string)reader["regionAssetURI"];
retval.regionAssetRecvKey = (string)reader["regionAssetRecvKey"];
retval.regionAssetSendKey = (string)reader["regionAssetSendKey"];
// Userserver
retval.regionUserURI = (string)reader["regionUserURI"];
retval.regionUserRecvKey = (string)reader["regionUserRecvKey"];
retval.regionUserSendKey = (string)reader["regionUserSendKey"];
}
else
{
throw new Exception("No rows to return");
}
return retval;
}
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/// <summary>
/// Inserts a new region into the database
/// </summary>
/// <param name="profile">The region to insert</param>
/// <returns>Success?</returns>
public bool insertRow(SimProfileData profile)
{
string sql = "REPLACE INTO regions VALUES (regionHandle, regionName, uuid, regionRecvKey, regionSecret, regionSendKey, regionDataURI, ";
sql += "serverIP, serverPort, serverURI, locX, locY, locZ, eastOverrideHandle, westOverrideHandle, southOverrideHandle, northOverrideHandle, regionAssetURI, regionAssetRecvKey, ";
sql += "regionAssetSendKey, regionUserURI, regionUserRecvKey, regionUserSendKey) VALUES ";
sql += "(@regionHandle, @regionName, @uuid, @regionRecvKey, @regionSecret, @regionSendKey, @regionDataURI, ";
sql += "@serverIP, @serverPort, @serverURI, @locX, @locY, @locZ, @eastOverrideHandle, @westOverrideHandle, @southOverrideHandle, @northOverrideHandle, @regionAssetURI, @regionAssetRecvKey, ";
sql += "@regionAssetSendKey, @regionUserURI, @regionUserRecvKey, @regionUserSendKey);";
Dictionary<string, string> parameters = new Dictionary<string, string>();
parameters["regionHandle"] = profile.regionHandle.ToString();
parameters["regionName"] = profile.regionName;
parameters["uuid"] = profile.UUID.ToString();
parameters["regionRecvKey"] = profile.regionRecvKey;
parameters["regionSendKey"] = profile.regionSendKey;
parameters["regionDataURI"] = profile.regionDataURI;
parameters["serverIP"] = profile.serverIP;
parameters["serverPort"] = profile.serverPort.ToString();
parameters["serverURI"] = profile.serverURI;
parameters["locX"] = profile.regionLocX.ToString();
parameters["locY"] = profile.regionLocY.ToString();
parameters["locZ"] = profile.regionLocZ.ToString();
parameters["eastOverrideHandle"] = profile.regionEastOverrideHandle.ToString();
parameters["westOverrideHandle"] = profile.regionWestOverrideHandle.ToString();
parameters["northOverrideHandle"] = profile.regionNorthOverrideHandle.ToString();
parameters["southOverrideHandle"] = profile.regionSouthOverrideHandle.ToString();
parameters["regionAssetURI"] = profile.regionAssetURI;
parameters["regionAssetRecvKey"] = profile.regionAssetRecvKey;
parameters["regionAssetSendKey"] = profile.regionAssetSendKey;
parameters["regionUserURI"] = profile.regionUserURI;
parameters["regionUserRecvKey"] = profile.regionUserRecvKey;
parameters["regionUserSendKey"] = profile.regionUserSendKey;
bool returnval = false;
try
{
IDbCommand result = Query(sql, parameters);
if (result.ExecuteNonQuery() == 1)
returnval = true;
result.Dispose();
}
catch (Exception e)
{
return false;
}
return returnval;
}
}
}