thin-provisioning-tools/era/era_detail.h

#ifndef ERA_DETAIL_H
#define ERA_DETAIL_H

#include "base/endian_utils.h"
#include "persistent-data/transaction_manager.h"

//----------------------------------------------------------------

namespace era {
	struct era_detail_disk {
		base::le32 nr_blocks;
		base::le32 nr_bits;
		base::le32 nr_set;
		base::le64 bloom_root;
	} __attribute__ ((packed));

	struct era_detail {
		uint32_t nr_blocks;
		uint32_t nr_bits;
		uint32_t nr_set;

		uint32_t hash1;
		uint32_t hash2;
		uint32_t nr_probes;

		uint64_t bloom_root;
	};

	struct era_detail_ref_counter {
		era_detail_ref_counter(persistent_data::transaction_manager::ptr tm);

		void inc(persistent_data::block_address b);
		void dec(persistent_data::block_address b);
	};

	struct era_detail_traits {
		typedef era_detail_disk disk_type;
		typedef era_detail value_type;
		typedef era_detail_ref_counter ref_counter;

		static void unpack(disk_type const &disk, value_type &value);
		static void pack(value_type const &value, disk_type &disk);
	};
}

//----------------------------------------------------------------

#endif