/usr/include/tango/fwdattrdesc.h is in libtango-dev 9.2.5a+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// file : fwdattrdesc.h
//
// description : Include file for the FwdAttr classes hierarchy. Three classes are declared in this file :
// The FwdAttr class
//
// project : TANGO
//
// author(s) : A.Gotz + E.Taurel
//
// Copyright (C) : 2013,2014,2015
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License along with Tango.
// If not, see <http://www.gnu.org/licenses/>.
//
// $Revision: 28373 $
//
//===================================================================================================================
#ifndef _FWDATTRDESC_H
#define _FWDATTRDESC_H
#include <tango.h>
namespace Tango
{
/**
* User class to set forwarded attribute default properties.
*
* This class is used to set forwarded attribute default properties. Three levels of
* attributes properties setting are implemented within Tango. The highest
* property setting level is the database. Then the user default (set using
* this UserDefaultFwdAttrProp class) and finally a Tango library default
* value
*
* $Author: taurel $
* $Revision: 28373 $
*
* @headerfile tango.h
* @ingroup Server
*/
class UserDefaultFwdAttrProp
{
public:
/**@name Constructor
* Only one constructor is defined for this class */
//@{
/**
* Constructs a newly allocated UserDefaultAttrProp object.
*/
UserDefaultFwdAttrProp():ext(Tango_nullptr) {}
//@}
/**@name Set default property methods */
//@{
/**
* Set default label property
*
* @param def_label The user default label property
*/
void set_label(const string &def_label)
{
label = def_label;
}
//@}
/// @privatesection
~UserDefaultFwdAttrProp() {}
string label;
private:
class UserDefaultFwdAttrPropExt
{
};
#ifdef HAS_UNIQUE_PTR
unique_ptr<UserDefaultFwdAttrPropExt> ext; // Class extension
#else
UserDefaultFwdAttrPropExt *ext;
#endif
};
class MultiAttribute;
/**
* User class to create a forwarded attribute object.
*
* Information from this class and information fetched out from the Tango
* database allows the Tango core software to create the FwdAttribute object
* for the forwarded attribute created by the user.
*
* $Author: taurel $
* $Revision: 28373 $
*
* @headerfile tango.h
* @ingroup Server
*/
class FwdAttr: public ImageAttr
{
public:
/**@name Constructors
* Only one constructor is defined for this class */
//@{
/**
* Constructs a newly allocated FwdAttr object.
*
* @param name The attribute name
* @param root_attribute The root attribute name (FQAN)
*
*/
FwdAttr(const string &name,const string &root_attribute=RootAttNotDef);
//@}
/**@name Miscellaneous methods*/
//@{
/**
* Set default attribute properties
*
* @param prop The user default property class
*/
void set_default_properties(UserDefaultFwdAttrProp &prop);
//@}
/// @privatesection
FwdAttr(const FwdAttr &);
virtual bool is_fwd() {return true;}
string &get_fwd_root_att() {return fwd_root_att;}
string &get_fwd_dev_name() {return fwd_dev_name;}
string &get_full_root_att() {return full_root_att;}
bool is_correctly_configured() {return fwd_wrongly_conf;}
FwdAttError get_err_kind() {return err_kind;}
void set_err_kind(FwdAttError _e) {err_kind = _e;}
virtual void read(DeviceImpl *,Attribute &);
virtual void write(DeviceImpl *,WAttribute &);
virtual bool is_allowed(DeviceImpl *,AttReqType) {return true;}
virtual void init_conf(AttrConfEventData *);
bool validate_fwd_att(vector<AttrProperty> &,const string &);
void get_root_conf(string &,DeviceImpl *);
void remove_useless_prop(vector<AttrProperty> &,string &,MultiAttribute *);
string &get_label_from_default_properties();
protected:
/// @privatesection
string full_root_att; // Root att (dev_name/att_name)
string fwd_dev_name; // Root att device name (lower case)
string fwd_root_att; // Root att (lower case)
bool fwd_wrongly_conf;
FwdAttError err_kind;
private:
class FwdAttrExt
{
};
#ifdef HAS_UNIQUE_PTR
unique_ptr<FwdAttrExt> ext; // Class extension
#else
FwdAttrExt *ext;
#endif
};
} // End of Tango namespace
#endif /* _FWDATTRDESC_H */
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