/// <summary>
/// ParseProtocol
/// </summary>
/// <param name="protocol"></param>
/// <returns></returns>
public byte[] ParseProtocol(byte[] protocol)
{
try
{
ulong callTableId = 0;
RemoteTable rt = null;
byte[] ret = null;
if (protocol[0] == 1) //Protocol 1
{
if (protocol[1] != 1)
{
callTableId = BitConverter.ToUInt64(protocol, 2);
_sync.EnterReadLock();
try
{
if (!_t.TryGetValue(callTableId, out rt))
{
//throw new Exception("table can't be find by id");
return(new byte[] { 255 }); //Protocol 255 means error of operation and must raise an exception
}
}
finally
{
_sync.ExitReadLock();
}
}
switch (protocol[1])
{
case 1:
#region "OpenRemoteTable"
//Special parsing
int tblLen = BitConverter.ToInt32(protocol, 2);
byte[] rb = protocol.Substring(6, tblLen);
string tblName = rb.UTF8_GetString(); // System.Text.Encoding.UTF8.GetString(rb,0,rb.Length);
string _fileName = System.IO.Path.Combine(configuration.DBreezeDataFolderName, tblName);
_sync.EnterUpgradeableReadLock();
try
{
if (!_tIds.TryGetValue(_fileName, out callTableId))
{
_sync.EnterWriteLock();
try
{
if (!_tIds.TryGetValue(_fileName, out callTableId))
{
tableId++;
//Creating directory, if necessary
if (directoryIsNotCreated)
{
var di = this.configuration.FSFactory.CreateDirectoryInfo(System.IO.Path.GetDirectoryName(_fileName));
if (!di.Exists)
{
di.Create();
}
//System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(_fileName));
directoryIsNotCreated = false;
}
rt = new RemoteTable(this, _fileName, tableId);
_t[tableId] = rt;
_tIds[_fileName] = tableId;
}
}
finally
{
_sync.ExitWriteLock();
}
}
else
{
_t.TryGetValue(callTableId, out rt);
}
}
finally
{
_sync.ExitUpgradeableReadLock();
}
return(rt.OpenRemoteTable());
#endregion
case 2:
#region "CloseRemoteTable"
return(rt.CloseRemoteTable());
#endregion
case 3:
#region "DeleteRemoteTable"
ret = rt.DeleteRemoteTable();
_sync.EnterWriteLock();
try
{
_tIds.Remove(rt._fileName);
_t.Remove(callTableId);
}
finally
{
_sync.ExitWriteLock();
}
return(ret);
#endregion
case 4:
#region DataFileWrite
return(rt.DataFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19)));
#endregion
case 5:
#region "RollbackFileWrite"
return(rt.RollbackFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19)));
#endregion
case 6:
#region "RollbackHelperFileWrite"
return(rt.RollbackHelperFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19)));
#endregion
case 7:
#region "DataFileRead"
return(rt.DataFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18)));
#endregion
case 8:
#region "RollbackFileRead"
return(rt.RollbackFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18)));
#endregion
case 9:
#region "RollbackHelperFileRead"
return(rt.RollbackHelperFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18)));
#endregion
case 10:
#region "DataFileFlush"
return(rt.DataFileFlush());
#endregion
case 11:
#region "RollbackFileFlush"
return(rt.RollbackFileFlush());
#endregion
case 12:
#region "RollbackFileRecreate"
return(rt.RollbackFileRecreate());
#endregion
}
}
}
catch// (Exception ex)
{
return(new byte[] { 255 });
//throw ex; //Connector must be disconnected and error must be logged
}
return(null);
}
/// <summary>
/// ParseProtocol
/// </summary>
/// <param name="protocol"></param>
/// <returns></returns>
public byte[] ParseProtocol(byte[] protocol)
{
try
{
ulong callTableId = 0;
RemoteTable rt = null;
byte[] ret = null;
if (protocol[0] == 1) //Protocol 1
{
if (protocol[1] != 1)
{
callTableId = BitConverter.ToUInt64(protocol, 2);
_sync.EnterReadLock();
try
{
if (!_t.TryGetValue(callTableId, out rt))
{
//throw new Exception("table can't be find by id");
return new byte[] { 255 }; //Protocol 255 means error of operation and must raise an exception
}
}
finally
{
_sync.ExitReadLock();
}
}
switch (protocol[1])
{
case 1:
#region "OpenRemoteTable"
//Special parsing
int tblLen = BitConverter.ToInt32(protocol, 2);
string tblName = System.Text.Encoding.UTF8.GetString(protocol.Substring(6,tblLen));
string _fileName = System.IO.Path.Combine(databasePreFolderPath, tblName);
_sync.EnterUpgradeableReadLock();
try
{
if (!_tIds.TryGetValue(_fileName, out callTableId))
{
_sync.EnterWriteLock();
try
{
if (!_tIds.TryGetValue(_fileName, out callTableId))
{
tableId++;
//Creating directory, if necessary
if (directoryIsNotCreated)
{
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(_fileName));
directoryIsNotCreated = false;
}
rt = new RemoteTable(_fileName, tableId);
_t[tableId] = rt;
_tIds[_fileName] = tableId;
}
}
finally
{
_sync.ExitWriteLock();
}
}
else
_t.TryGetValue(callTableId, out rt);
}
finally
{
_sync.ExitUpgradeableReadLock();
}
return rt.OpenRemoteTable();
#endregion
case 2:
#region "CloseRemoteTable"
return rt.CloseRemoteTable();
#endregion
case 3:
#region "DeleteRemoteTable"
ret = rt.DeleteRemoteTable();
_sync.EnterWriteLock();
try
{
_tIds.Remove(rt._fileName);
_t.Remove(callTableId);
}
finally
{
_sync.ExitWriteLock();
}
return ret;
#endregion
case 4:
#region DataFileWrite
return rt.DataFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19));
#endregion
case 5:
#region "RollbackFileWrite"
return rt.RollbackFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19));
#endregion
case 6:
#region "RollbackHelperFileWrite"
return rt.RollbackHelperFileWrite(BitConverter.ToInt64(protocol, 10), (protocol[18] == 1), protocol.Substring(19));
#endregion
case 7:
#region "DataFileRead"
return rt.DataFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18));
#endregion
case 8:
#region "RollbackFileRead"
return rt.RollbackFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18));
#endregion
case 9:
#region "RollbackHelperFileRead"
return rt.RollbackHelperFileRead(BitConverter.ToInt64(protocol, 10), BitConverter.ToInt32(protocol, 18));
#endregion
case 10:
#region "DataFileFlush"
return rt.DataFileFlush();
#endregion
case 11:
#region "RollbackFileFlush"
return rt.RollbackFileFlush();
#endregion
case 12:
#region "RollbackFileRecreate"
return rt.RollbackFileRecreate();
#endregion
}
}
}
catch// (Exception ex)
{
return new byte[] { 255 };
//throw ex; //Connector must be disconnected and error must be logged
}
return null;
}