public static void DeleteLogFile(
string pszLogFileName,
SECURITY_ATTRIBUTES psaLogFile)
{
if (!_DeleteLogFile(pszLogFileName, psaLogFile))
{
uint errorCode = (uint)Marshal.GetLastWin32Error();
switch (errorCode)
{
case Error.ERROR_ACCESS_DENIED:
case Error.ERROR_FILE_NOT_FOUND:
case Error.ERROR_INVALID_PARAMETER:
case Error.ERROR_SHARING_VIOLATION:
case Error.ERROR_INVALID_NAME:
case Error.ERROR_BAD_PATHNAME:
case Error.ERROR_BAD_NETPATH:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForKnownCode(errorCode));
case Error.ERROR_NOT_SUPPORTED:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.Argument_FileNameInvalid));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForUnknownCode(errorCode));
}
}
}
public static SafeFileHandle CreateLogFile(
string pszLogFileName,
int fDesiredAccess,
System.IO.FileShare dwShareMode,
SECURITY_ATTRIBUTES psaLogFile,
System.IO.FileMode fCreateDisposition,
int fFlagsAndAttributes)
{
SafeFileHandle ret = _CreateLogFile(
pszLogFileName,
fDesiredAccess,
dwShareMode,
psaLogFile,
fCreateDisposition,
fFlagsAndAttributes);
if (ret.IsInvalid)
{
uint errorCode = (uint)Marshal.GetLastWin32Error();
switch (errorCode)
{
case Error.ERROR_SHARING_VIOLATION:
case Error.ERROR_ALREADY_EXISTS:
case Error.ERROR_ACCESS_DENIED:
case Error.ERROR_FILE_NOT_FOUND:
case Error.ERROR_PATH_NOT_FOUND:
case Error.ERROR_NO_SYSTEM_RESOURCES:
case Error.ERROR_OUTOFMEMORY:
case Error.ERROR_INVALID_PARAMETER:
case Error.ERROR_INVALID_NAME:
case Error.ERROR_BAD_PATHNAME:
case Error.ERROR_BAD_NETPATH:
case Error.ERROR_CANT_RESOLVE_FILENAME:
case Error.ERROR_LOG_BLOCK_VERSION:
case Error.ERROR_LOG_BLOCK_INVALID:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForKnownCode(errorCode));
case Error.ERROR_NOT_SUPPORTED:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.Argument_FileNameInvalid));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForUnknownCode(errorCode));
}
}
return ret;
}
extern static SafeFileHandle _CreateLogFile(
string pszLogFileName,
int fDesiredAccess,
System.IO.FileShare dwShareMode,
SECURITY_ATTRIBUTES psaLogFile,
System.IO.FileMode fCreateDisposition,
int fFlagsAndAttributes);
extern static bool _DeleteLogFile(
string pszLogFileName,
SECURITY_ATTRIBUTES psaSecurityAttributes);
// If pinningHandle is not null, caller must free it AFTER the call to
// CreateFile has returned.
//
// [....]: Copied this from System.IO.FileStream
//
private static unsafe SECURITY_ATTRIBUTES GetSecAttrs(
FileShare share,
FileSecurity fileSecurity,
out object pinningHandle)
{
pinningHandle = null;
SECURITY_ATTRIBUTES secAttrs = null;
if ((share & FileShare.Inheritable) != 0 || fileSecurity != null)
{
secAttrs = new SECURITY_ATTRIBUTES();
secAttrs.nLength = (int)Marshal.SizeOf(secAttrs);
if ((share & FileShare.Inheritable) != 0)
{
secAttrs.bInheritHandle = 1;
}
// For ACLs, get the security descriptor from the FileSecurity.
if (fileSecurity != null)
{
byte[] sd = fileSecurity.GetSecurityDescriptorBinaryForm();
pinningHandle = GCHandle.Alloc(sd, GCHandleType.Pinned);
fixed (byte* pSecDescriptor = sd)
secAttrs.pSecurityDescriptor = pSecDescriptor;
}
}
return secAttrs;
}
