protected virtual void Dispose(bool disposing)
{
ReleaseUnmanagedResources();
if (disposing)
{
_disk?.Dispose();
_crypto?.Dispose();
}
}
public void Dispose()
{
// dispose datafile and journal file
_disk.Dispose();
// dispose crypto
if (_crypto != null)
{
_crypto.Dispose();
}
}
public void Dispose()
{
// first, commit any possible dirty page
this.Commit();
// dispose datafile and journal file
_disk.Dispose();
// dispose crypto
if (_crypto != null)
{
_crypto.Dispose();
}
}
public void Dispose()
{
// if there is any open transaction, rollback
if (_transactions.Count > 0)
{
this.Rollback();
}
// dispose datafile and journal file
_disk.Dispose();
// dispose crypto
if (_crypto != null)
{
_crypto.Dispose();
}
}
/// <summary>
/// Initialize LiteEngine using custom disk service implementation and full engine options
/// </summary>
public LiteEngine(IDiskService disk, string password = null, TimeSpan?timeout = null, int cacheSize = 5000, Logger log = null)
{
if (disk == null)
{
throw new ArgumentNullException("disk");
}
_timeout = timeout ?? TimeSpan.FromMinutes(1);
_cacheSize = cacheSize;
_disk = disk;
_log = log ?? new Logger();
// initialize datafile (create) and set log instance
_disk.Initialize(_log, password);
// read header page
var header = BasePage.ReadPage(_disk.ReadPage(0)) as HeaderPage;
// hash password with sha1 or keep as empty byte[20]
var sha1 = password == null ? new byte[20] : AesEncryption.HashSHA1(password);
// compare header password with user password even if not passed password (datafile can have password)
if (sha1.BinaryCompareTo(header.Password) != 0)
{
// explicit dispose
_disk.Dispose();
throw LiteException.DatabaseWrongPassword();
}
// initialize AES encryptor
if (password != null)
{
_crypto = new AesEncryption(password, header.Salt);
}
// initialize all services
this.InitializeServices();
// try recovery data only if journal are enabled
if (_disk.IsJournalEnabled)
{
// try recovery if has journal file
_trans.Recovery();
}
}
/// <summary>
/// Initialize LiteEngine using custom disk service implementation and full engine options
/// </summary>
public LiteEngine(IDiskService disk, string password = null, TimeSpan? timeout = null, bool autocommit = true, int cacheSize = 5000, Logger log = null)
{
_timeout = timeout ?? TimeSpan.FromMinutes(1);
_cacheSize = cacheSize;
_autocommit = autocommit;
_disk = disk;
_log = log ?? new Logger();
_locker = new Locker(_timeout);
// initialize datafile (create) and set log instance
_disk.Initialize(_log, password);
// read header page
var header = BasePage.ReadPage(_disk.ReadPage(0)) as HeaderPage;
// hash password with sha1 or keep as empty byte[20]
var sha1 = password == null ? new byte[20] : AesEncryption.HashSHA1(password);
// compare header password with user password even if not passed password (datafile can have password)
if (sha1.BinaryCompareTo(header.Password) != 0)
{
// explicit dispose
_disk.Dispose();
throw LiteException.DatabaseWrongPassword();
}
// initialize AES encryptor
if (password != null)
{
_crypto = new AesEncryption(password, header.Salt);
}
// initialize all services
this.InitializeServices();
if (_disk.IsJournalEnabled)
{
// try recovery if has journal file
_trans.Recovery();
}
}
public void Dispose()
{
_disk.Dispose();
}