#ifndef _MINISKETCH_STATE_H_
#define _MINISKETCH_STATE_H_
#include <stdint.h>
#include <stdlib.h>
class Sketch
{
uint64_t m_canary;
const int m_implementation;
const int m_bits;
public:
Sketch(int implementation, int bits) : m_implementation(implementation), m_bits(bits) {}
void Ready() { m_canary = 0x6d496e536b65LU; }
void Check() const { if (m_canary != 0x6d496e536b65LU) abort(); }
void UnReady() { m_canary = 1; }
int Implementation() const { return m_implementation; }
int Bits() const { return m_bits; }
virtual ~Sketch() {}
virtual size_t Syndromes() const = 0;
virtual void Init(int syndromes) = 0;
virtual void Add(uint64_t element) = 0;
virtual void Serialize(unsigned char*) const = 0;
virtual void Deserialize(const unsigned char*) = 0;
virtual size_t Merge(const Sketch* other_sketch) = 0;
virtual void SetSeed(uint64_t seed) = 0;
virtual int Decode(int max_count, uint64_t* roots) const = 0;
};
#endif