nonce_generator.h

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// Copyright 2013 Google Inc. All Rights Reserved.


#ifndef PAGESPEED_KERNEL_UTIL_NONCE_GENERATOR_H_
#define PAGESPEED_KERNEL_UTIL_NONCE_GENERATOR_H_

#include "pagespeed/kernel/base/abstract_mutex.h"
#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/scoped_ptr.h"

namespace net_instaweb {

class NonceGenerator {
 public:
  virtual ~NonceGenerator();
  uint64 NewNonce();

 protected:
  explicit NonceGenerator(AbstractMutex* mutex) : mutex_(mutex) { }

  virtual uint64 NewNonceImpl() = 0;

 private:
  scoped_ptr<AbstractMutex> mutex_;

  
};

}  

#endif