sink.h

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#ifndef CVMFS_NETWORK_SINK_H_
#define CVMFS_NETWORK_SINK_H_

#include <stdint.h>
#include <string>

namespace cvmfs {

class Sink {
 protected:
  explicit Sink(bool is_owner) : is_owner_(is_owner) { }

 public:
  virtual ~Sink() { }
  virtual int64_t Write(const void *buf, uint64_t sz) = 0;

  virtual int Reset() = 0;

  virtual int Purge() = 0;

  virtual bool IsValid() = 0;

  void Release() { is_owner_ = false; }

  virtual int Flush() = 0;

  virtual bool Reserve(size_t size) = 0;

  virtual bool RequiresReserve() = 0;

  virtual std::string Describe() = 0;

 protected:
    bool is_owner_;
};

}  // namespace cvmfs

#endif  // CVMFS_NETWORK_SINK_H_