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using System;
using System.Collections.Generic;
using System.Text;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment.LandManagement;
using OpenSim.Region.Environment;
using OpenSim.Region.Interfaces;
using OpenSim.Framework.Console;
using libsecondlife;
using System.Data;
// Yes, this won't compile on MS, need to deal with that later
using Mono.Data.SqliteClient;
using Primitive = OpenSim.Region.Environment.Scenes.Primitive;
namespace OpenSim.DataStore.SqliteStorage
{
public class SqliteDataStore : IRegionDataStore
{
private const string primSelect = "select * from prims";
private const string shapeSelect = "select * from primshapes";
private DataSet ds;
private SqliteDataAdapter primDa;
private SqliteDataAdapter shapeDa;
public void Initialise(string dbfile, string dbname)
{
// for us, dbfile will be the connect string
MainLog.Instance.Verbose("DATASTORE", "Sqlite - connecting: " + dbfile);
SqliteConnection conn = new SqliteConnection(dbfile);
SqliteCommand primSelectCmd = new SqliteCommand(primSelect, conn);
primDa = new SqliteDataAdapter(primSelectCmd);
// SqliteCommandBuilder primCb = new SqliteCommandBuilder(primDa);
SqliteCommand shapeSelectCmd = new SqliteCommand(shapeSelect, conn);
shapeDa = new SqliteDataAdapter(shapeSelectCmd);
// SqliteCommandBuilder shapeCb = new SqliteCommandBuilder(shapeDa);
ds = new DataSet();
// We fill the data set, now we've got copies in memory for the information
// TODO: see if the linkage actually holds.
// primDa.FillSchema(ds, SchemaType.Source, "PrimSchema");
primDa.Fill(ds, "prims");
ds.AcceptChanges();
DataTable prims = ds.Tables["prims"];
prims.PrimaryKey = new DataColumn[] { prims.Columns["UUID"] };
setupPrimCommands(primDa, conn);
// shapeDa.FillSchema(ds, SchemaType.Source, "ShapeSchema");
shapeDa.Fill(ds, "primshapes");
return;
}
private SqliteParameter createSqliteParameter(string name, DbType type)
{
SqliteParameter param = new SqliteParameter();
param.ParameterName = ":" + name;
param.DbType = type;
param.SourceColumn = name;
param.SourceVersion = DataRowVersion.Current;
return param;
}
private void setupPrimCommands(SqliteDataAdapter da, SqliteConnection conn)
{
SqliteParameter UUID = createSqliteParameter("UUID", DbType.String);
SqliteParameter Name = createSqliteParameter("Name", DbType.String);
SqliteParameter CreationDate = createSqliteParameter("CreationDate", DbType.Int32);
SqliteParameter PositionX = createSqliteParameter("PositionX", DbType.Double);
SqliteParameter PositionY = createSqliteParameter("PositionY", DbType.Double);
SqliteParameter PositionZ = createSqliteParameter("PositionZ", DbType.Double);
SqliteCommand delete = new SqliteCommand("delete from prims where UUID = :UUID");
delete.Connection = conn;
SqliteCommand insert =
new SqliteCommand("insert into prims(" +
"UUID, CreationDate, Name, PositionX, PositionY, PositionZ" +
") values(:UUID, :CreationDate, :Name, :PositionX, :PositionY, :PositionZ)");
insert.Connection = conn;
SqliteCommand update =
new SqliteCommand("update prims set " +
"UUID = :UUID, CreationDate = :CreationDate, Name = :Name, PositionX = :PositionX, " +
"PositionY = :PositionY, PositionZ = :PositionZ where UUID = :UUID");
update.Connection = conn;
delete.Parameters.Add(UUID);
insert.Parameters.Add(UUID);
insert.Parameters.Add(Name);
insert.Parameters.Add(CreationDate);
insert.Parameters.Add(PositionX);
insert.Parameters.Add(PositionY);
insert.Parameters.Add(PositionZ);
update.Parameters.Add(UUID);
update.Parameters.Add(Name);
update.Parameters.Add(CreationDate);
update.Parameters.Add(PositionX);
update.Parameters.Add(PositionY);
update.Parameters.Add(PositionZ);
da.DeleteCommand = delete;
da.InsertCommand = insert;
da.UpdateCommand = update;
}
private void StoreSceneObject(SceneObject obj)
{
}
public void StoreObject(AllNewSceneObjectPart2 obj)
{
// TODO: Serializing code
DataTable prims = ds.Tables["prims"];
DataTable shapes = ds.Tables["shapes"];
}
private void fillPrimRow(DataRow row, Primitive prim)
{
row["UUID"] = prim.UUID;
row["CreationDate"] = prim.CreationDate;
row["Name"] = prim.Name;
row["PositionX"] = prim.Pos.X;
row["PositionY"] = prim.Pos.Y;
row["PositionZ"] = prim.Pos.Z;
}
private void addPrim(Primitive prim)
{
DataTable prims = ds.Tables["prims"];
DataTable shapes = ds.Tables["shapes"];
DataRow row = prims.Rows.Find(prim.UUID);
if (row == null) {
row = prims.NewRow();
fillPrimRow(row, prim);
prims.Rows.Add(row);
} else {
fillPrimRow(row, prim);
}
}
public void StoreObject(SceneObject obj)
{
foreach (Primitive prim in obj.Children.Values)
{
addPrim(prim);
}
MainLog.Instance.Verbose("Attempting to do update....");
primDa.Update(ds, "prims");
MainLog.Instance.Verbose("Dump of prims:", ds.GetXml());
}
public void RemoveObject(LLUUID obj)
{
// TODO: remove code
}
public List<SceneObject> LoadObjects()
{
List<SceneObject> retvals = new List<SceneObject>();
MainLog.Instance.Verbose("DATASTORE", "Sqlite - LoadObjects found " + " objects");
return retvals;
}
public void StoreTerrain(double[,] ter)
{
}
public double[,] LoadTerrain()
{
return null;
}
public void RemoveLandObject(uint id)
{
}
public void StoreParcel(Land parcel)
{
}
public List<Land> LoadLandObjects()
{
return new List<Land>();
}
public void Shutdown()
{
// TODO: DataSet commit
}
}
}
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