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//
// This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
// project.
//
// Copyright (C) 1998-2024 OpenLink Software
//
// This project is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; only version 2 of the License, dated June 1991.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
//
//
// $Id$
//
using System;
using System.Text;
using System.Runtime.InteropServices;
using System.Data;
#if ODBC_CLIENT
namespace OpenLink.Data.VirtuosoOdbcClient
#elif CLIENT
namespace OpenLink.Data.VirtuosoClient
#else
namespace OpenLink.Data.Virtuoso
#endif
{
internal sealed class Diagnostics
{
private Diagnostics () {}
internal static void HandleResult (
CLI.ReturnCode returnCode,
ICreateErrors source,
IDbConnection connection)
{
if (returnCode == CLI.ReturnCode.SQL_SUCCESS_WITH_INFO)
HandleWarnings (source, connection);
else if (returnCode != CLI.ReturnCode.SQL_SUCCESS)
HandleErrors (returnCode, source);
}
internal static void HandleErrors (CLI.ReturnCode returnCode, ICreateErrors source)
{
VirtuosoErrorCollection errors = null;
if (returnCode == CLI.ReturnCode.SQL_ERROR)
errors = source.CreateErrors ();
else
errors = CreateErrors (returnCode);
throw new VirtuosoException (returnCode, errors);
}
internal static void HandleWarnings (ICreateErrors source, IDbConnection connection)
{
VirtuosoErrorCollection errors = source.CreateErrors ();
VirtuosoInfoMessageEventArgs args = new VirtuosoInfoMessageEventArgs (errors);
((VirtuosoConnection)connection).OnInfoMessage (args);
}
private static VirtuosoErrorCollection CreateErrors (CLI.ReturnCode rc)
{
string message = null;
switch (rc)
{
case CLI.ReturnCode.SQL_INVALID_HANDLE:
message = "Invalid Handle";
break;
case CLI.ReturnCode.SQL_NEED_DATA:
message = "Need Data";
break;
case CLI.ReturnCode.SQL_STILL_EXECUTING:
message = "Still Executing";
break;
default:
message = "Unexpected Return Code";
break;
}
VirtuosoErrorCollection errors = new VirtuosoErrorCollection ();
VirtuosoError error = new VirtuosoError (message, "");
errors.Add (error);
return errors;
}
#if UNMANAGED_ODBC
// deprecated
internal static void HandleResult (
CLI.ReturnCode returnCode,
CLI.HandleType handleType,
IntPtr handle,
VirtuosoConnection connection)
{
if (returnCode == CLI.ReturnCode.SQL_SUCCESS_WITH_INFO)
HandleWarnings (handleType, handle, connection);
else if (returnCode != CLI.ReturnCode.SQL_SUCCESS)
HandleErrors (returnCode, handleType, handle);
}
// deprecated
internal static void HandleErrors (
CLI.ReturnCode returnCode,
CLI.HandleType handleType,
IntPtr handle)
{
VirtuosoErrorCollection errors = null;
if (returnCode == CLI.ReturnCode.SQL_ERROR)
errors = OdbcErrors.CreateErrors (handleType, handle);
else
errors = CreateErrors (returnCode);
throw new VirtuosoException (returnCode, errors);
}
// deprecated
internal static void HandleWarnings (
CLI.HandleType handleType,
IntPtr handle,
VirtuosoConnection connection)
{
VirtuosoInfoMessageEventArgs args = new VirtuosoInfoMessageEventArgs (OdbcErrors.CreateErrors (handleType, handle));
connection.OnInfoMessage (args);
}
#endif
}
}
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