internal static byte[] GetTransmitterPropagationToken(
OletxTransaction oletxTx
)
{
byte[] propagationToken = null;
CoTaskMemHandle propagationTokenBuffer = null;
UInt32 tokenSize = 0;
try
{
oletxTx.realOletxTransaction.TransactionShim.GetPropagationToken(
out tokenSize,
out propagationTokenBuffer);
propagationToken = new byte[tokenSize];
Marshal.Copy(propagationTokenBuffer.DangerousGetHandle(), propagationToken, 0, Convert.ToInt32(tokenSize));
}
catch (COMException comException)
{
OletxTransactionManager.ProxyException(comException);
throw;
}
finally
{
if (null != propagationTokenBuffer)
{
propagationTokenBuffer.Close();
}
}
return(propagationToken);
}
internal static byte[] GetTransmitterPropagationToken(OletxTransaction oletxTx)
{
CoTaskMemHandle propgationToken = null;
byte[] destination = null;
uint propagationTokeSize = 0;
try
{
oletxTx.realOletxTransaction.TransactionShim.GetPropagationToken(out propagationTokeSize, out propgationToken);
destination = new byte[propagationTokeSize];
Marshal.Copy(propgationToken.DangerousGetHandle(), destination, 0, Convert.ToInt32(propagationTokeSize));
}
catch (COMException exception)
{
OletxTransactionManager.ProxyException(exception);
throw;
}
finally
{
if (propgationToken != null)
{
propgationToken.Close();
}
}
return(destination);
}
public static byte[] GetExportCookie(Transaction transaction, byte[] whereabouts)
{
if (!TransactionManager._platformValidated)
{
TransactionManager.ValidatePlatform();
}
byte[] destination = null;
if (null == transaction)
{
throw new ArgumentNullException("transaction");
}
if (whereabouts == null)
{
throw new ArgumentNullException("whereabouts");
}
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "TransactionInterop.GetExportCookie");
}
byte[] destinationArray = new byte[whereabouts.Length];
Array.Copy(whereabouts, destinationArray, whereabouts.Length);
whereabouts = destinationArray;
int cookieIndex = 0;
uint cookieSize = 0;
CoTaskMemHandle cookieBuffer = null;
OletxTransaction transaction2 = ConvertToOletxTransaction(transaction);
try
{
transaction2.realOletxTransaction.TransactionShim.Export(Convert.ToUInt32(whereabouts.Length), whereabouts, out cookieIndex, out cookieSize, out cookieBuffer);
destination = new byte[cookieSize];
Marshal.Copy(cookieBuffer.DangerousGetHandle(), destination, 0, Convert.ToInt32(cookieSize));
}
catch (COMException exception)
{
OletxTransactionManager.ProxyException(exception);
throw TransactionManagerCommunicationException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
finally
{
if (cookieBuffer != null)
{
cookieBuffer.Close();
}
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "TransactionInterop.GetExportCookie");
}
return(destination);
}
public static byte[] GetExportCookie(
Transaction transaction,
byte[] whereabouts
)
{
if (!TransactionManager._platformValidated)
{
TransactionManager.ValidatePlatform();
}
byte[] cookie = null;
if (null == transaction)
{
throw new ArgumentNullException("transaction");
}
if (null == whereabouts)
{
throw new ArgumentNullException("whereabouts");
}
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(SR.GetString(SR.TraceSourceOletx),
"TransactionInterop.GetExportCookie"
);
}
// Copy the whereabouts so that it cannot be modified later.
byte[] whereaboutsCopy = new byte[whereabouts.Length];
Array.Copy(whereabouts, whereaboutsCopy, whereabouts.Length);
whereabouts = whereaboutsCopy;
int cookieIndex = 0;
UInt32 cookieSize = 0;
CoTaskMemHandle cookieBuffer = null;
// First, make sure we are working with an OletxTransaction.
OletxTransaction oletxTx = TransactionInterop.ConvertToOletxTransaction(transaction);
try
{
oletxTx.realOletxTransaction.TransactionShim.Export(
Convert.ToUInt32(whereabouts.Length),
whereabouts,
out cookieIndex,
out cookieSize,
out cookieBuffer);
// allocate and fill in the cookie
cookie = new byte[cookieSize];
Marshal.Copy(cookieBuffer.DangerousGetHandle(), cookie, 0, Convert.ToInt32(cookieSize));
}
catch (COMException comException)
{
OletxTransactionManager.ProxyException(comException);
// We are unsure of what the exception may mean. It is possible that
// we could get E_FAIL when trying to contact a transaction manager that is
// being blocked by a fire wall. On the other hand we may get a COMException
// based on bad data. The more common situation is that the data is fine
// (since it is generated by Microsoft code) and the problem is with
// communication. So in this case we default for unknown exceptions to
// assume that the problem is with communication.
throw TransactionManagerCommunicationException.Create(SR.GetString(SR.TraceSourceOletx), comException);
}
finally
{
if (null != cookieBuffer)
{
cookieBuffer.Close();
}
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(SR.GetString(SR.TraceSourceOletx),
"TransactionInterop.GetExportCookie"
);
}
return(cookie);
}
