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             : /** A generic file descriptor-based connection, to be subclassed. */
      28             : class FDConnection : public Connection
      29             : {
      30             : public:
      31         847 :     Notifier getNotifier() const final { return _readFD; }
      32             : protected:
      33             :     FDConnection();
      34         349 :     virtual ~FDConnection() {}
      35     3016723 :     void readNB(void*, const uint64_t) override { /* NOP */}
      36             :     int64_t readSync(void* buffer, const uint64_t bytes,
      37             :                      const bool ignored) override;
      38             :     int64_t write(const void* buffer, const uint64_t bytes) override;
      39             : 
      40             :     int _readFD;  //!< The read file descriptor.
      41             :     int _writeFD; //!< The write file descriptor.
      42             : 
      43             :     friend inline std::ostream& operator<<(std::ostream& os,
      44             :                                            const FDConnection* connection);
      45             : 
      46             : private:
      47             :     int _getTimeOut();
      48             : };
      49             : 
      50             : inline std::ostream& operator<<(std::ostream& os,
      51             :                                 const FDConnection* connection)
      52             : {
      53             :     return os << static_cast<const Connection*>(connection) << " readFD "
      54             :               << connection->_readFD << " writeFD " << connection->_writeFD;
      55             : }
      56             : }
      57             : 
      58             : #endif // CO_FDCONNECTION_H