AsyncPty.h

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#ifndef ASYNC_PTY_INCLUDED
#define ASYNC_PTY_INCLUDED
 
 
/****************************************************************************
 *
 * System Includes
 *
 ****************************************************************************/
 
#include <unistd.h>
#include <sigc++/sigc++.h>
 
#include <string>
 
 
/****************************************************************************
 *
 * Project Includes
 *
 ****************************************************************************/
 
#include <AsyncTimer.h>
#include <AsyncFdWatch.h>
 
 
/****************************************************************************
 *
 * Local Includes
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Forward declarations
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Namespace
 *
 ****************************************************************************/
 
namespace Async
{
 
 
/****************************************************************************
 *
 * Forward declarations of classes inside of the declared namespace
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Defines & typedefs
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Exported Global Variables
 *
 ****************************************************************************/
 
 
 
/****************************************************************************
 *
 * Class definitions
 *
 ****************************************************************************/
 
class Pty : public sigc::trackable
{
  public:
    Pty(const std::string& slave_link="");
 
    ~Pty(void);
 
    void setLineBuffered(bool line_buffered)
    {
      m_is_line_buffered = line_buffered;
      m_line_buffer.clear();
    }
 
    bool open(void);
 
    void close(void);
 
    bool reopen(void);
 
    ssize_t write(const void *buf, size_t count);
 
    ssize_t write(const std::string& str)
    {
      return write(str.c_str(), str.size());
    }
 
    bool isOpen(void) const { return m_master >= 0; }
 
    const std::string& slavePath(void) const { return m_slave_path; }
 
    sigc::signal<void, const void*, size_t> dataReceived;
    
  protected:
    
  private:
    static const int POLLHUP_CHECK_INTERVAL = 100;
 
    std::string     m_slave_link;
    int             m_master            = -1;
    Async::FdWatch  m_watch;
    Async::Timer    m_pollhup_timer;
    bool            m_is_line_buffered  = false;
    std::string     m_line_buffer;
    std::string     m_slave_path;
 
    Pty(const Pty&);
    Pty& operator=(const Pty&);
    
    void charactersReceived(void);
    short pollMaster(void);
    void checkIfSlaveEndOpen(void);
 
};  /* class Pty */
 
 
} /* namespace */
 
#endif /* ASYNC_PTY_INCLUDED */
 
 
 
/*
 * This file has not been truncated
 */