IOChannel.h

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#ifndef STORAGE_FACTORY_IO_CHANNEL_H
#define STORAGE_FACTORY_IO_CHANNEL_H
 
#include "Utilities/StorageFactory/interface/IOInput.h"
#include "Utilities/StorageFactory/interface/IOOutput.h"
 
class IOChannel : public virtual IOInput, public virtual IOOutput {
public:
  IOChannel(IOFD fd = EDM_IOFD_INVALID);
  ~IOChannel(void) override;
  // implicit copy constructor
  // implicit assignment operator
 
  using IOInput::read;
  using IOOutput::write;
 
  IOSize read(void *into, IOSize n) override;
  IOSize readv(IOBuffer *into, IOSize buffers) override;
 
  IOSize write(const void *from, IOSize n) override;
  IOSize writev(const IOBuffer *from, IOSize buffers) override;
 
  virtual IOFD fd(void) const;
  virtual void fd(IOFD value);  // FIXME: dangerous?
 
  virtual void close(void);
 
  virtual void setBlocking(bool value);
  virtual bool isBlocking(void) const;
 
protected:
  // System implementation
  bool sysclose(IOFD fd, int *error = nullptr);
 
private:
  IOFD m_fd; /*< System file descriptor. */
};
 
#endif  // STORAGE_FACTORY_IO_CHANNEL_H