124 lines
4.9 KiB
C#
124 lines
4.9 KiB
C#
using log4net;
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using MySql.Data.MySqlClient;
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using Nini.Config;
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using OpenSim.Region.Framework.Scenes;
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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.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Timers;
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namespace OpenSim.Modules.DataValue.Storage
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{
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class MySQL : iStorage
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Scene m_scene = null;
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private Timer m_timer = null;
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private String m_connectionString = null;
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private MySqlConnection m_mySQLClient = null;
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public MySQL(Scene scene, IConfig config)
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{
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m_scene = scene;
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m_connectionString = config.GetString("DataValueConnectionString", String.Empty).ToUpper().Trim();
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if (m_connectionString == String.Empty)
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return;
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m_timer = new Timer();
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m_timer.Interval = 10000;
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m_timer.Elapsed += mysqlping;
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m_timer.Start();
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m_mySQLClient = new MySqlConnection(m_connectionString);
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m_mySQLClient.Open();
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createEmptyTable();
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}
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private void mysqlping(object sender, ElapsedEventArgs e)
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{
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if (!m_mySQLClient.Ping())
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m_mySQLClient.Open();
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}
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public bool check(String storageID, string key)
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{
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using (MySqlCommand _mysqlCommand = m_mySQLClient.CreateCommand())
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{
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_mysqlCommand.CommandText = "Select StorageID, StorageKey FROM ?mysqlTable WHERE StorageID = ?mysqlStorage AND StorageKey = ?mysqlStorageKey";
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_mysqlCommand.Parameters.AddWithValue("?mysqlTable", "StorageData");
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorage", storageID);
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorageKey", key);
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using (IDataReader _mysqlReader = _mysqlCommand.ExecuteReader())
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{
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if (_mysqlReader["StorageKey"] != null)
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return true;
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return false;
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}
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}
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}
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public string get(String storageID, string key)
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{
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using (MySqlCommand _mysqlCommand = m_mySQLClient.CreateCommand())
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{
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_mysqlCommand.CommandText = "Select StorageID, StorageKey, StorageData FROM ?mysqlTable WHERE StorageID = ?mysqlStorage AND StorageKey = ?mysqlStorageKey";
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_mysqlCommand.Parameters.AddWithValue("?mysqlTable", "StorageData");
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorage", storageID);
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorageKey", key);
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using (IDataReader _mysqlReader = _mysqlCommand.ExecuteReader())
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{
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if (_mysqlReader["StorageData"] != null)
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return _mysqlReader["StorageData"].ToString();
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return null;
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}
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}
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}
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public void remove(string storageID, string key)
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{
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using (MySqlCommand _mysqlCommand = m_mySQLClient.CreateCommand())
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{
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_mysqlCommand.CommandText = "DELETE FROM ?mysqlTable WHERE StorageID = ?mysqlStorage AND StorageKey = ?mysqlStorageKey";
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_mysqlCommand.Parameters.AddWithValue("?mysqlTable", "StorageData");
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorage", storageID);
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorageKey", key);
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_mysqlCommand.ExecuteNonQuery();
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}
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}
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public void save(String storageID, string key, string data)
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{
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using (MySqlCommand _mysqlCommand = m_mySQLClient.CreateCommand())
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{
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_mysqlCommand.CommandText = "REPLACE INTO ?mysqlTable (StorageID, StorageKey, StorageData) VALUES (?mysqlStorage, ?mysqlStorageKey, ?mysqlStorageData)";
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_mysqlCommand.Parameters.AddWithValue("?mysqlTable", "StorageData");
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorage", storageID);
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorageKey", key);
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_mysqlCommand.Parameters.AddWithValue("?mysqlStorageData", data);
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_mysqlCommand.ExecuteNonQuery();
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}
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}
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private void createEmptyTable()
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{
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using (MySqlCommand _mysqlCommand = m_mySQLClient.CreateCommand())
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{
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_mysqlCommand.CommandText = "CREATE TABLE IF NOT EXISTS `StorageData` (`StorageID` VARCHAR(36) NOT NULL, `StorageKey` VARCHAR(256) NOT NULL, `StorageData` TEXT NOT NULL DEFAULT '', PRIMARY KEY(`StorageID`, `StorageKey`)) COLLATE = 'utf8_general_ci'; ";
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_mysqlCommand.ExecuteNonQuery();
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}
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}
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}
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}
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