internal void Open(long taskId)
{
this.Name = "t" + taskId + ".idx";
this.FullName = Path.Combine(Utilities.ConfigManager.GetValue("Backups.IndexFolder"), this.Name);
if (!File.Exists(FullName))
{
throw new Exception("This index doesn't exists or doesn't have a local copy");
}
indexDbConn = new SqliteConnection();
//indexDbConn.ConnectionString = "Version=3;Synchronous=off;Compress=True;data source=file:"+this.FullName;
indexDbConn.ConnectionString = "Version=3,Synchronous=off,data source=file:" + this.FullName + "";
indexDbConn.Open();
dataFormatter = new BinaryFormatter();
dataMs = new MemoryStream();
//get Header
string headerQ = "SELECT data FROM header";
System.Data.IDbCommand headerC = indexDbConn.CreateCommand();
headerC.CommandText = headerQ;
System.Data.IDataReader hReader = headerC.ExecuteReader();
hReader.Read();
dataMs = new MemoryStream();
long dataSize = hReader.GetBytes(0, 0, null, 0, 0);
int offset = 0, bytesRead = 0;
byte[] buffer = new byte[dataSize];
//Console.WriteLine ("open() read="+hReader.GetBytes(0, 0, buffer, offset, BUFFER_SIZE));
/*while((bytesRead = (int)hReader.GetBytes(0, offset, buffer, 0, 100)) > 0) {
* Console.WriteLine("open() read header : read="+bytesRead+", offset="+offset);
* dataMs.Write(buffer, 0, bytesRead);
* offset += bytesRead;
*
* }*/
int curPos = 0;
while (bytesRead < dataSize)
{
bytesRead += (int)hReader.GetBytes(0, curPos, buffer, curPos, (int)dataSize);
curPos += bytesRead;
}
dataMs.Write(buffer, 0, bytesRead);
dataMs.Flush();
//MemoryStream gzMs = new MemoryStream();
dataMs.Position = 0;
using (MemoryStream uncompressedStream = new MemoryStream()){
using (gz = new System.IO.Compression.GZipStream(dataMs, System.IO.Compression.CompressionMode.Decompress, true)){
gz.CopyTo(uncompressedStream);
}
uncompressedStream.Position = 0;
this.Header = (IndexHeader)dataFormatter.Deserialize(uncompressedStream);
}
dataMs.SetLength(0);
}
internal Index_bk()
{
this.Header = new IndexHeader();
}