public static OciErrorInfo HandleError(OciHandle hand)
{
OciErrorInfo info;
info.ErrorCode = 0;
info.ErrorMessage = String.Empty;
ulong errbufSize = 4096;
UIntPtr errbufSizep = new UIntPtr(errbufSize);
IntPtr errbuf = OciCalls.AllocateClear((int)errbufSize);
OciCalls.OCIErrorGet(hand,
1,
IntPtr.Zero,
out info.ErrorCode,
errbuf,
(uint)errbufSize,
OciHandleType.Error);
byte[] bytea = new byte[errbufSize];
Marshal.Copy(errbuf, bytea, 0, (int)errbufSize);
errbufSize = 0;
OciHandle h = hand.Parent;
if (h == null)
{
h = hand;
}
if (h == null)
{
throw new Exception("Internal driver error: handle is null.");
}
// first call to OCICharSetToUnicode gets the size
OciCalls.OCICharSetToUnicode(h, null, bytea, ref errbufSizep);
errbufSize = errbufSizep.ToUInt64();
StringBuilder str = new StringBuilder((int)errbufSize);
// second call to OCICharSetToUnicode gets the string
OciCalls.OCICharSetToUnicode(h, str, bytea, ref errbufSizep);
string errmsg = String.Empty;
if (errbufSize > 0)
{
errmsg = str.ToString();
}
else
{
errmsg = "Internal driver error. Could not retrieve error message.";
}
info.ErrorMessage = String.Copy(errmsg);
Marshal.FreeHGlobal(errbuf);
return(info);
}
public static OciErrorInfo HandleError(OciHandle hwnd, int status)
{
OciErrorInfo info;
info.ErrorCode = status;
info.ErrorMessage = OciGlue.ReturnCodeToString(status);
if (status == OciGlue.OCI_ERROR || status == OciGlue.OCI_SUCCESS_WITH_INFO)
{
OciHandle h = hwnd;
if (h == null)
{
throw new Exception("Internal driver error: handle is null.");
}
ulong errbufSize = 4096;
UIntPtr errbufSizep = new UIntPtr(errbufSize);
IntPtr errbuf = OciCalls.AllocateClear((int)errbufSize);
OciCalls.OCIErrorGet(hwnd,
1,
IntPtr.Zero,
out info.ErrorCode,
errbuf,
(uint)errbufSize,
OciHandleType.Error);
byte[] bytea = new byte[errbufSize];
Marshal.Copy(errbuf, bytea, 0, (int)errbufSize);
errbufSize = 0;
// first call to OCICharSetToUnicode gets the size
OciCalls.OCICharSetToUnicode(h, null, bytea, ref errbufSizep);
errbufSize = errbufSizep.ToUInt64();
StringBuilder str = new StringBuilder((int)errbufSize);
// second call to OCICharSetToUnicode gets the string
OciCalls.OCICharSetToUnicode(h, str, bytea, ref errbufSizep);
string errmsg = String.Empty;
if (errbufSize > 0)
{
errmsg = str.ToString();
info.ErrorMessage = String.Copy(errmsg);
}
Marshal.FreeHGlobal(errbuf);
}
return(info);
}
