434 lines
15 KiB
C#
434 lines
15 KiB
C#
/*
|
|
* 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.Data.SqlClient;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using log4net;
|
|
using OpenMetaverse;
|
|
|
|
namespace OpenSim.Data.MSSQL
|
|
{
|
|
/// <summary>
|
|
/// A management class for the MS SQL Storage Engine
|
|
/// </summary>
|
|
public class MSSQLManager
|
|
{
|
|
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
/// <summary>
|
|
/// Connection string for ADO.net
|
|
/// </summary>
|
|
private readonly string connectionString;
|
|
|
|
public MSSQLManager(string dataSource, string initialCatalog, string persistSecurityInfo, string userId,
|
|
string password)
|
|
{
|
|
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder();
|
|
|
|
builder.DataSource = dataSource;
|
|
builder.InitialCatalog = initialCatalog;
|
|
builder.PersistSecurityInfo = Convert.ToBoolean(persistSecurityInfo);
|
|
builder.UserID = userId;
|
|
builder.Password = password;
|
|
builder.ApplicationName = Assembly.GetEntryAssembly().Location;
|
|
|
|
connectionString = builder.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Initialize the manager and set the connectionstring
|
|
/// </summary>
|
|
/// <param name="connection"></param>
|
|
public MSSQLManager(string connection)
|
|
{
|
|
connectionString = connection;
|
|
}
|
|
|
|
public SqlConnection DatabaseConnection()
|
|
{
|
|
SqlConnection conn = new SqlConnection(connectionString);
|
|
|
|
//TODO is this good??? Opening connection here
|
|
conn.Open();
|
|
|
|
return conn;
|
|
}
|
|
|
|
#region Obsolete functions, can be removed!
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="dt"></param>
|
|
/// <param name="name"></param>
|
|
/// <param name="type"></param>
|
|
[Obsolete("Do not use!")]
|
|
protected static void createCol(DataTable dt, string name, Type type)
|
|
{
|
|
DataColumn col = new DataColumn(name, type);
|
|
dt.Columns.Add(col);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Define Table function
|
|
/// </summary>
|
|
/// <param name="dt"></param>
|
|
/// <returns></returns>
|
|
/*
|
|
[Obsolete("Do not use!")]
|
|
protected static string defineTable(DataTable dt)
|
|
{
|
|
string sql = "create table " + dt.TableName + "(";
|
|
string subsql = String.Empty;
|
|
foreach (DataColumn col in dt.Columns)
|
|
{
|
|
if (subsql.Length > 0)
|
|
{
|
|
// a map function would rock so much here
|
|
subsql += ",\n";
|
|
}
|
|
|
|
subsql += col.ColumnName + " " + SqlType(col.DataType);
|
|
if (col == dt.PrimaryKey[0])
|
|
{
|
|
subsql += " primary key";
|
|
}
|
|
}
|
|
sql += subsql;
|
|
sql += ")";
|
|
return sql;
|
|
}
|
|
*/
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Type conversion function
|
|
/// </summary>
|
|
/// <param name="type">a type</param>
|
|
/// <returns>a sqltype</returns>
|
|
/// <remarks>this is something we'll need to implement for each db slightly differently.</remarks>
|
|
/*
|
|
[Obsolete("Used by a obsolete methods")]
|
|
public static string SqlType(Type type)
|
|
{
|
|
if (type == typeof(String))
|
|
{
|
|
return "varchar(255)";
|
|
}
|
|
if (type == typeof(Int32))
|
|
{
|
|
return "integer";
|
|
}
|
|
if (type == typeof(Double))
|
|
{
|
|
return "float";
|
|
}
|
|
if (type == typeof(Byte[]))
|
|
{
|
|
return "image";
|
|
}
|
|
return "varchar(255)";
|
|
}
|
|
*/
|
|
|
|
/// <summary>
|
|
/// Type conversion to a SQLDbType functions
|
|
/// </summary>
|
|
/// <param name="type"></param>
|
|
/// <returns></returns>
|
|
internal SqlDbType DbtypeFromType(Type type)
|
|
{
|
|
if (type == typeof(string))
|
|
{
|
|
return SqlDbType.VarChar;
|
|
}
|
|
if (type == typeof(double))
|
|
{
|
|
return SqlDbType.Float;
|
|
}
|
|
if (type == typeof(Single))
|
|
{
|
|
return SqlDbType.Float;
|
|
}
|
|
if (type == typeof(int))
|
|
{
|
|
return SqlDbType.Int;
|
|
}
|
|
if (type == typeof(bool))
|
|
{
|
|
return SqlDbType.Bit;
|
|
}
|
|
if (type == typeof(UUID))
|
|
{
|
|
return SqlDbType.UniqueIdentifier;
|
|
}
|
|
if (type == typeof(sbyte))
|
|
{
|
|
return SqlDbType.Int;
|
|
}
|
|
if (type == typeof(Byte[]))
|
|
{
|
|
return SqlDbType.Image;
|
|
}
|
|
if (type == typeof(uint) || type == typeof(ushort))
|
|
{
|
|
return SqlDbType.Int;
|
|
}
|
|
if (type == typeof(ulong))
|
|
{
|
|
return SqlDbType.BigInt;
|
|
}
|
|
return SqlDbType.VarChar;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates value for parameter.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns></returns>
|
|
private static object CreateParameterValue(object value)
|
|
{
|
|
Type valueType = value.GetType();
|
|
|
|
if (valueType == typeof(UUID)) //TODO check if this works
|
|
{
|
|
return ((UUID) value).Guid;
|
|
}
|
|
if (valueType == typeof(UUID))
|
|
{
|
|
return ((UUID)value).Guid;
|
|
}
|
|
if (valueType == typeof(bool))
|
|
{
|
|
return (bool)value ? 1 : 0;
|
|
}
|
|
if (valueType == typeof(Byte[]))
|
|
{
|
|
return value;
|
|
}
|
|
if (valueType == typeof(int))
|
|
{
|
|
return value;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a parameter for a command
|
|
/// </summary>
|
|
/// <param name="parameterName">Name of the parameter.</param>
|
|
/// <param name="parameterObject">parameter object.</param>
|
|
/// <returns></returns>
|
|
internal SqlParameter CreateParameter(string parameterName, object parameterObject)
|
|
{
|
|
return CreateParameter(parameterName, parameterObject, false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the parameter for a command.
|
|
/// </summary>
|
|
/// <param name="parameterName">Name of the parameter.</param>
|
|
/// <param name="parameterObject">parameter object.</param>
|
|
/// <param name="parameterOut">if set to <c>true</c> parameter is a output parameter</param>
|
|
/// <returns></returns>
|
|
internal SqlParameter CreateParameter(string parameterName, object parameterObject, bool parameterOut)
|
|
{
|
|
//Tweak so we dont always have to add @ sign
|
|
if (!parameterName.StartsWith("@")) parameterName = "@" + parameterName;
|
|
|
|
//HACK if object is null, it is turned into a string, there are no nullable type till now
|
|
if (parameterObject == null) parameterObject = "";
|
|
|
|
SqlParameter parameter = new SqlParameter(parameterName, DbtypeFromType(parameterObject.GetType()));
|
|
|
|
if (parameterOut)
|
|
{
|
|
parameter.Direction = ParameterDirection.Output;
|
|
}
|
|
else
|
|
{
|
|
parameter.Direction = ParameterDirection.Input;
|
|
parameter.Value = CreateParameterValue(parameterObject);
|
|
}
|
|
|
|
return parameter;
|
|
}
|
|
|
|
private static readonly Dictionary<string, string> emptyDictionary = new Dictionary<string, string>();
|
|
|
|
/// <summary>
|
|
/// Run a query and return a sql db command
|
|
/// </summary>
|
|
/// <param name="sql">The SQL query.</param>
|
|
/// <returns></returns>
|
|
internal AutoClosingSqlCommand Query(string sql)
|
|
{
|
|
return Query(sql, emptyDictionary);
|
|
}
|
|
|
|
/// <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 Sql DB Command</returns>
|
|
internal AutoClosingSqlCommand Query(string sql, Dictionary<string, string> parameters)
|
|
{
|
|
SqlCommand dbcommand = DatabaseConnection().CreateCommand();
|
|
dbcommand.CommandText = sql;
|
|
foreach (KeyValuePair<string, string> param in parameters)
|
|
{
|
|
dbcommand.Parameters.AddWithValue(param.Key, param.Value);
|
|
}
|
|
|
|
return new AutoClosingSqlCommand(dbcommand);
|
|
}
|
|
|
|
/// <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="sqlParameter">A parameter - use createparameter to create parameter</param>
|
|
/// <returns></returns>
|
|
internal AutoClosingSqlCommand Query(string sql, SqlParameter sqlParameter)
|
|
{
|
|
SqlCommand dbcommand = DatabaseConnection().CreateCommand();
|
|
dbcommand.CommandText = sql;
|
|
dbcommand.Parameters.Add(sqlParameter);
|
|
|
|
return new AutoClosingSqlCommand(dbcommand);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if we need to do some migrations to the database
|
|
/// </summary>
|
|
/// <param name="migrationStore">migrationStore.</param>
|
|
public void CheckMigration(string migrationStore)
|
|
{
|
|
using (SqlConnection connection = DatabaseConnection())
|
|
{
|
|
Assembly assem = GetType().Assembly;
|
|
MSSQLMigration migration = new MSSQLMigration(connection, assem, migrationStore);
|
|
|
|
migration.Update();
|
|
|
|
connection.Close();
|
|
}
|
|
}
|
|
|
|
#region Old Testtable functions
|
|
|
|
/// <summary>
|
|
/// Execute a SQL statement stored in a resource, as a string
|
|
/// </summary>
|
|
/// <param name="name">the ressource string</param>
|
|
public void ExecuteResourceSql(string name)
|
|
{
|
|
using (IDbCommand cmd = Query(getResourceString(name), new Dictionary<string, string>()))
|
|
{
|
|
cmd.ExecuteNonQuery();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Given a list of tables, return the version of the tables, as seen in the database
|
|
/// </summary>
|
|
/// <param name="tableList"></param>
|
|
public void GetTableVersion(Dictionary<string, string> tableList)
|
|
{
|
|
Dictionary<string, string> param = new Dictionary<string, string>();
|
|
param["dbname"] = new SqlConnectionStringBuilder(connectionString).InitialCatalog;
|
|
|
|
using (IDbCommand tablesCmd =
|
|
Query("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_CATALOG=@dbname", param))
|
|
using (IDataReader tables = tablesCmd.ExecuteReader())
|
|
{
|
|
while (tables.Read())
|
|
{
|
|
try
|
|
{
|
|
string tableName = (string)tables["TABLE_NAME"];
|
|
if (tableList.ContainsKey(tableName))
|
|
tableList[tableName] = tableName;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(e.ToString());
|
|
}
|
|
}
|
|
tables.Close();
|
|
}
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="name"></param>
|
|
/// <returns></returns>
|
|
private string getResourceString(string name)
|
|
{
|
|
Assembly assem = GetType().Assembly;
|
|
string[] names = assem.GetManifestResourceNames();
|
|
|
|
foreach (string s in names)
|
|
if (s.EndsWith(name))
|
|
using (Stream resource = assem.GetManifestResourceStream(s))
|
|
{
|
|
using (StreamReader resourceReader = new StreamReader(resource))
|
|
{
|
|
string resourceString = resourceReader.ReadToEnd();
|
|
return resourceString;
|
|
}
|
|
}
|
|
throw new Exception(string.Format("Resource '{0}' was not found", name));
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Returns the version of this DB provider
|
|
/// </summary>
|
|
/// <returns>A string containing the DB provider</returns>
|
|
public string getVersion()
|
|
{
|
|
Module module = GetType().Module;
|
|
// string dllName = module.Assembly.ManifestModule.Name;
|
|
Version dllVersion = module.Assembly.GetName().Version;
|
|
|
|
return
|
|
string.Format("{0}.{1}.{2}.{3}", dllVersion.Major, dllVersion.Minor, dllVersion.Build,
|
|
dllVersion.Revision);
|
|
}
|
|
}
|
|
}
|