Line data    Source code

       1             : 
       2             : /* Copyright (c) 2005-2014, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *
       4             :  * This file is part of Collage <https://github.com/Eyescale/Collage>
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #ifndef CO_FDCONNECTION_H
      21             : #define CO_FDCONNECTION_H
      22             : 
      23             : #include <co/connection.h>
      24             : 
      25             : namespace co
      26             : {
      27             : 
      28             : /** A generic file descriptor-based connection, to be subclassed. */
      29             : class FDConnection : public Connection
      30             : {
      31             : public:
      32         871 :     Notifier getNotifier() const final { return _readFD; }
      33             : 
      34             : protected:
      35             :     FDConnection();
      36         361 :     virtual ~FDConnection() {}
      37             : 
      38     2069663 :     void readNB( void*, const uint64_t ) override { /* NOP */ }
      39             :     int64_t readSync( void* buffer, const uint64_t bytes,
      40             :                       const bool ignored ) override;
      41             :     int64_t write( const void* buffer,
      42             :                    const uint64_t bytes ) override;
      43             : 
      44             :     int   _readFD;     //!< The read file descriptor.
      45             :     int   _writeFD;    //!< The write file descriptor.
      46             : 
      47             :     friend inline std::ostream& operator << ( std::ostream& os,
      48             :                                               const FDConnection* connection );
      49             : private:
      50             :     int _getTimeOut();
      51             : 
      52             : };
      53             : 
      54             : inline std::ostream& operator << ( std::ostream& os,
      55             :                                    const FDConnection* connection )
      56             : {
      57             :     return os << static_cast< const Connection* >( connection ) << " readFD "
      58             :               << connection->_readFD << " writeFD " << connection->_writeFD;
      59             : }
      60             : }
      61             : 
      62             : #endif //CO_FDCONNECTION_H