LCOV - code coverage report
Current view: top level - src - Pipe.hpp (source / functions) Hit Total Coverage
Test: lcov.info Lines: 2 2 100.0 %
Date: 2025-04-27 01:14:20 Functions: 2 2 100.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            : ** Copyright (C) 2022 CERN
       3                 :            : **
       4                 :            : ** This software is provided 'as-is', without any express or implied
       5                 :            : ** warranty.  In no event will the authors be held liable for any damages
       6                 :            : ** arising from the use of this software.
       7                 :            : **
       8                 :            : ** Permission is granted to anyone to use this software for any purpose,
       9                 :            : ** including commercial applications, and to alter it and redistribute it
      10                 :            : ** freely, subject to the following restrictions:
      11                 :            : **
      12                 :            : ** 1. The origin of this software must not be misrepresented; you must not
      13                 :            : **    claim that you wrote the original software. If you use this software
      14                 :            : **    in a product, an acknowledgment in the product documentation would be
      15                 :            : **    appreciated but is not required.
      16                 :            : ** 2. Altered source versions must be plainly marked as such, and must not be
      17                 :            : **    misrepresented as being the original software.
      18                 :            : ** 3. This notice may not be removed or altered from any source distribution.
      19                 :            : **
      20                 :            : ** Created on: 2022-11-29T10:34:40
      21                 :            : ** Author: Sylvain Fargier <sylvain.fargier@cern.ch>
      22                 :            : */
      23                 :            : 
      24                 :            : #ifndef PIPE_HPP__
      25                 :            : #define PIPE_HPP__
      26                 :            : 
      27                 :            : #include <string>
      28                 :            : 
      29                 :            : namespace ccut {
      30                 :            : 
      31                 :            : /**
      32                 :            :  * @brief small wrapper on unix pipe objects
      33                 :            :  * @details created pipe is always non-blocking
      34                 :            :  *
      35                 :            :  */
      36                 :            : class Pipe
      37                 :            : {
      38                 :            : public:
      39                 :            :     Pipe();
      40                 :            :     ~Pipe();
      41                 :            : 
      42                 :         20 :     inline int in() const { return m_fd[0]; }
      43                 :          2 :     inline int out() const { return m_fd[1]; }
      44                 :            : 
      45                 :            :     void write(const std::string &msg);
      46                 :            : 
      47                 :            :     /**
      48                 :            :      * @brief write bytes of data
      49                 :            :      *
      50                 :            :      * @param[in] data data to write
      51                 :            :      * @param[in] size data size
      52                 :            :      * @throws ccut::Exception on read error
      53                 :            :      */
      54                 :            :     size_t write(const void *data, size_t size);
      55                 :            : 
      56                 :            :     /**
      57                 :            :      * @brief read up to size bytes of data
      58                 :            :      * @return the number of bytes read
      59                 :            :      * @throws ccut::Exception on read error
      60                 :            :      */
      61                 :            :     size_t read(void *data, size_t size);
      62                 :            : 
      63                 :            :     /**
      64                 :            :      * @brief flushes all buffered data
      65                 :            :      */
      66                 :            :     void flush();
      67                 :            : 
      68                 :            : protected:
      69                 :            :     int m_fd[2];
      70                 :            : };
      71                 :            : 
      72                 :            : } // namespace ccut
      73                 :            : 
      74                 :            : #endif

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