/* Copyright (C) CJ Affiliate
  *
  * You may use, distribute and modify this code under  the
  * terms of the  GNU General Public License  version 2  or
  * later.
  *
  * You should have received a copy of the license with this
  * file. If not, you will find a copy in the "LICENSE" file
  * at https://github.com/cjdev/dual-control.
  */
 

 #ifndef _SESSION_H_
 #define _SESSION_H_
 
 #include <string>
 
 #include "request.h"
 #include "sys_pam.h"
 

 class sessions_ifc
 {
 public:
     virtual ~sessions_ifc () {}
     virtual std::string user_name (const pam_request &request)  const
     {
         return "";
     }

 };
 

 class sessions
 {

 public:
     typedef std::shared_ptr<sessions_ifc> delegate;

 private:

     delegate delegate_;

 public:

     sessions (delegate delegate =

                   std::make_shared<sessions_ifc>()) : delegate_ (delegate) {}
     std::string user_name (const pam_request &request) const
     {
         return delegate_->user_name (request);
     }
     static sessions create (const pam &pam);

 };
 
 #endif