SQLite support added to grid manager. (Win!)

OpenGrid.Framework.Data.SQLite/SQLiteManager.cs

@@ -0,0 +1,172 @@
+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;
+        }
+
+        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;
+        }
+
+        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;
+        }
+    }
+}