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stuff

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This commit is contained in:
Joe Thornber
2013-12-11 17:28:14 +00:00
parent 927f611aad
commit 8049d369a9
12 changed files with 123 additions and 90 deletions
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31
persistent-data/space_map.h
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@ -19,8 +19,9 @@
#ifndef SPACE_MAP_H
#define SPACE_MAP_H
#include "block.h"
#include "block_counter.h"
#include "persistent-data/block.h"
#include "persistent-data/block_counter.h"
#include "persistent-data/run.h"
#include <boost/shared_ptr.hpp>
#include <boost/optional.hpp>
@ -114,6 +115,28 @@ namespace persistent_data {
}
};
//--------------------------------
namespace space_map_detail {
class damage {
virtual ~damage() {}
};
class missing_counts : public damage {
public:
missing_counts(base::run<block_address> &lost);
};
class visitor {
public:
virtual ~visitor() {}
virtual void visit(missing_counts const &mc) = 0;
virtual void visit(block_address b, uint32_t count) = 0;
};
}
//--------------------------------
class persistent_space_map : public space_map {
public:
typedef boost::shared_ptr<persistent_space_map> ptr;
@ -126,8 +149,8 @@ namespace persistent_data {
public:
typedef boost::shared_ptr<checked_space_map> ptr;
virtual void check(block_counter &counter) const {
throw std::runtime_error("'check' not implemented");
virtual void visit(space_map_detail::visitor &v) const {
throw std::runtime_error("space_map.visit not implemented");
}
// FIXME: should this be in the base space_map class?