56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#ifndef ERA_DETAIL_H
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#define ERA_DETAIL_H
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#include "base/endian_utils.h"
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#include "persistent-data/transaction_manager.h"
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//----------------------------------------------------------------
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namespace era {
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struct era_detail_disk {
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base::le32 nr_bits;
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base::le64 writeset_root;
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} __attribute__ ((packed));
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struct era_detail {
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era_detail()
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: nr_bits(0),
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writeset_root(0) {
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}
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uint32_t nr_bits;
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uint64_t writeset_root;
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};
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struct era_detail_ref_counter {
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era_detail_ref_counter(persistent_data::transaction_manager::ptr tm)
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: tm_(tm) {
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}
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void inc(era_detail const &d) {
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tm_->get_sm()->inc(d.writeset_root);
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}
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void dec(persistent_data::block_address b) {
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// I don't think we ever do this in the tools
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throw std::runtime_error("not implemented");
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}
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private:
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persistent_data::transaction_manager::ptr tm_;
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};
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struct era_detail_traits {
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typedef era_detail_disk disk_type;
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typedef era_detail value_type;
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typedef era_detail_ref_counter ref_counter;
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static void unpack(disk_type const &disk, value_type &value);
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static void pack(value_type const &value, disk_type &disk);
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};
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}
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//----------------------------------------------------------------
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#endif
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