private RecoveryInformation TryOpenRecoveryInfoFile()
{
RecoveryInformation result = null;
Tracer.Debug("Checking for Recoverable Transactions filename: " + Filename);
lock (syncRoot)
{
try
{
if (!File.Exists(Filename))
{
return(null);
}
using (FileStream recoveryLog = new FileStream(Filename, FileMode.Open, FileAccess.Read))
{
Tracer.Debug("Found Recovery Log File: " + Filename);
IFormatter formatter = new BinaryFormatter();
result = formatter.Deserialize(recoveryLog) as RecoveryInformation;
}
}
catch (Exception ex)
{
Tracer.ErrorFormat("Error while opening Recovery file {0} error message: {1}", Filename, ex.Message);
// Nothing to restore.
return(null);
}
}
return(result);
}
public void LogRecoveryInfo(XATransactionId xid, byte[] recoveryInformation)
{
if (recoveryInformation == null || recoveryInformation.Length == 0)
{
return;
}
try
{
lock (syncRoot)
{
RecoveryInformation info = new RecoveryInformation(xid, recoveryInformation);
Tracer.Debug("Serializing Recovery Info to file: " + Filename);
IFormatter formatter = new BinaryFormatter();
using (FileStream recoveryLog = new FileStream(Filename, FileMode.OpenOrCreate, FileAccess.Write))
{
formatter.Serialize(recoveryLog, info);
}
}
}
catch (Exception ex)
{
Tracer.Error("Error while storing TX Recovery Info, message: " + ex.Message);
throw;
}
}
public KeyValuePair <XATransactionId, byte[]>[] GetRecoverables()
{
KeyValuePair <XATransactionId, byte[]>[] result = new KeyValuePair <XATransactionId, byte[]> [0];
RecoveryInformation info = TryOpenRecoveryInfoFile();
if (info != null)
{
result = new KeyValuePair <XATransactionId, byte[]> [1];
result[0] = new KeyValuePair <XATransactionId, byte[]>(info.Xid, info.TxRecoveryInfo);
}
return(result);
}
public void LogRecoveryInfo(XATransactionId xid, byte[] recoveryInformation)
{
if (recoveryInformation == null || recoveryInformation.Length == 0)
{
return;
}
try
{
lock (syncRoot)
{
RecoveryInformation info = new RecoveryInformation(xid, recoveryInformation);
Tracer.Debug("Serializing Recovery Info to file: " + Filename);
IFormatter formatter = new BinaryFormatter();
using (FileStream recoveryLog = new FileStream(Filename, FileMode.OpenOrCreate, FileAccess.Write))
{
formatter.Serialize(recoveryLog, info);
}
}
}
catch (Exception ex)
{
Tracer.Error("Error while storing TX Recovery Info, message: " + ex.Message);
throw;
}
}
