internal void OnInfoMessage(UnsafeNativeMethods.IErrorInfo errorInfo, OleDbHResult errorCode)
{
OleDbInfoMessageEventHandler handler = (OleDbInfoMessageEventHandler)Events[EventInfoMessage];
if (null != handler)
{
try
{
OleDbException exception = OleDbException.CreateException(errorInfo, errorCode, null);
OleDbInfoMessageEventArgs e = new OleDbInfoMessageEventArgs(exception);
handler(this, e);
}
catch (Exception e)
{ // eat the exception
// UNDONE - should not be catching all exceptions!!!
if (!ADP.IsCatchableOrSecurityExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e);
}
}
#if DEBUG
else
{
OleDbException exception = OleDbException.CreateException(errorInfo, errorCode, null);
}
#endif
}
internal void OnInfoMessage(System.Data.Common.UnsafeNativeMethods.IErrorInfo errorInfo, OleDbHResult errorCode)
{
OleDbInfoMessageEventHandler handler = (OleDbInfoMessageEventHandler)base.Events[EventInfoMessage];
if (handler != null)
{
try
{
OleDbInfoMessageEventArgs e = new OleDbInfoMessageEventArgs(OleDbException.CreateException(errorInfo, errorCode, null));
if (Bid.TraceOn)
{
Bid.Trace("<oledb.OledbConnection.OnInfoMessage|API|INFO> %d#, Message='%ls'\n", this.ObjectID, e.Message);
}
handler(this, e);
}
catch (Exception exception)
{
if (!ADP.IsCatchableOrSecurityExceptionType(exception))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(exception);
}
}
}
internal static Exception?ProcessResults(OleDbHResult hresult, OleDbConnection?connection, object?src)
{
if ((0 <= (int)hresult) && ((null == connection) || (null == connection.Events[EventInfoMessage])))
{
SafeNativeMethods.Wrapper.ClearErrorInfo();
return(null);
}
// ErrorInfo object is to be checked regardless the hresult returned by the function called
Exception? e = null;
OleDbHResult hr = UnsafeNativeMethods.GetErrorInfo(0, out UnsafeNativeMethods.IErrorInfo? errorInfo); // 0 - IErrorInfo exists, 1 - no IErrorInfo
if ((OleDbHResult.S_OK == hr) && (null != errorInfo))
{
try
{
if (hresult < 0)
{
// UNDONE: if authentication failed - throw a unique exception object type
//if (/*OLEDB_Error.DB_SEC_E_AUTH_FAILED*/unchecked((int)0x80040E4D) == hr) {
//}
//else if (/*OLEDB_Error.DB_E_CANCELED*/unchecked((int)0x80040E4E) == hr) {
//}
// else {
e = OleDbException.CreateException(errorInfo, hresult, null);
//}
if (OleDbHResult.DB_E_OBJECTOPEN == hresult)
{
e = ADP.OpenReaderExists(e);
}
ResetState(connection);
}
else
{
connection?.OnInfoMessage(errorInfo, hresult);
}
}
finally
{
UnsafeNativeMethods.ReleaseErrorInfoObject(errorInfo);
}
}
else if (0 < hresult)
{
// @devnote: OnInfoMessage with no ErrorInfo
}
else if ((int)hresult < 0)
{
e = ODB.NoErrorInformation(connection?.Provider, hresult, null); // OleDbException
ResetState(connection);
}
if (null != e)
{
ADP.TraceExceptionAsReturnValue(e);
}
return(e);
}
internal void OnInfoMessage(UnsafeNativeMethods.IErrorInfo errorInfo, OleDbHResult errorCode)
{
OleDbInfoMessageEventHandler handler = (OleDbInfoMessageEventHandler)Events[EventInfoMessage];
if (null != handler)
{
try {
OleDbException exception = OleDbException.CreateException(errorInfo, errorCode, null);
OleDbInfoMessageEventArgs e = new OleDbInfoMessageEventArgs(exception);
if (Bid.TraceOn)
{
Bid.Trace("<oledb.OledbConnection.OnInfoMessage|API|INFO> %d#, Message='%ls'\n", ObjectID, e.Message);
}
handler(this, e);
}
catch (Exception e) { // eat the exception
//
if (!ADP.IsCatchableOrSecurityExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e);
}
}
#if DEBUG
else
{
OleDbException exception = OleDbException.CreateException(errorInfo, errorCode, null);
Bid.Trace("<oledb.OledbConnection.OnInfoMessage|API|INFO> %d#, Message='%ls'\n", ObjectID, exception.Message);
}
#endif
}
static internal Exception ProcessResults(OleDbHResult hresult, OleDbConnection connection, object src)
{
if ((0 <= (int)hresult) && ((null == connection) || (null == connection.Events[EventInfoMessage])))
{
SafeNativeMethods.Wrapper.ClearErrorInfo();
return(null);
}
// ErrorInfo object is to be checked regardless the hresult returned by the function called
Exception e = null;
UnsafeNativeMethods.IErrorInfo errorInfo = null;
OleDbHResult hr = UnsafeNativeMethods.GetErrorInfo(0, out errorInfo); // 0 - IErrorInfo exists, 1 - no IErrorInfo
if ((OleDbHResult.S_OK == hr) && (null != errorInfo))
{
if (hresult < 0)
{
//
e = OleDbException.CreateException(errorInfo, hresult, null);
//}
if (OleDbHResult.DB_E_OBJECTOPEN == hresult)
{
e = ADP.OpenReaderExists(e);
}
ResetState(connection);
}
else if (null != connection)
{
connection.OnInfoMessage(errorInfo, hresult);
}
else
{
Bid.Trace("<oledb.OledbConnection|WARN|INFO> ErrorInfo available, but not connection %08X{HRESULT}\n", hresult);
}
Marshal.ReleaseComObject(errorInfo);
}
else if (0 < hresult)
{
// @devnote: OnInfoMessage with no ErrorInfo
Bid.Trace("<oledb.OledbConnection|ERR|INFO> ErrorInfo not available %08X{HRESULT}\n", hresult);
}
else if ((int)hresult < 0)
{
e = ODB.NoErrorInformation((null != connection) ? connection.Provider : null, hresult, null); // OleDbException
ResetState(connection);
}
if (null != e)
{
ADP.TraceExceptionAsReturnValue(e);
}
return(e);
}
internal static Exception ProcessResults(OleDbHResult hresult, OleDbConnection connection, object src)
{
if ((OleDbHResult.S_OK <= hresult) && ((connection == null) || (connection.Events[EventInfoMessage] == null)))
{
SafeNativeMethods.Wrapper.ClearErrorInfo();
return(null);
}
Exception e = null;
System.Data.Common.UnsafeNativeMethods.IErrorInfo ppIErrorInfo = null;
if ((System.Data.Common.UnsafeNativeMethods.GetErrorInfo(0, out ppIErrorInfo) == OleDbHResult.S_OK) && (ppIErrorInfo != null))
{
if (hresult < OleDbHResult.S_OK)
{
e = OleDbException.CreateException(ppIErrorInfo, hresult, null);
if (OleDbHResult.DB_E_OBJECTOPEN == hresult)
{
e = ADP.OpenReaderExists(e);
}
ResetState(connection);
}
else if (connection != null)
{
connection.OnInfoMessage(ppIErrorInfo, hresult);
}
else
{
Bid.Trace("<oledb.OledbConnection|WARN|INFO> ErrorInfo available, but not connection %08X{HRESULT}\n", hresult);
}
Marshal.ReleaseComObject(ppIErrorInfo);
}
else if (OleDbHResult.S_OK < hresult)
{
Bid.Trace("<oledb.OledbConnection|ERR|INFO> ErrorInfo not available %08X{HRESULT}\n", hresult);
}
else if (hresult < OleDbHResult.S_OK)
{
e = ODB.NoErrorInformation((connection != null) ? connection.Provider : null, hresult, null);
ResetState(connection);
}
if (e != null)
{
ADP.TraceExceptionAsReturnValue(e);
}
return(e);
}