emo/thin-provisioning-tools
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write some code

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This commit is contained in:
Joe Thornber
2011-06-27 10:45:30 +01:00
parent 2e39670ff9
commit c090bb88b5
9 changed files with 366 additions and 99 deletions
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20
btree.h
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@@ -1,6 +1,7 @@
#ifndef BTREE_H
#define BTREE_H
#include "endian.h"
#include "transaction_manager.h"
//----------------------------------------------------------------
@@ -17,8 +18,8 @@ namespace persistent_data {
typedef typename block_manager<BlockSize>::read_ref read_ref;
typedef typename block_manager<BlockSize>::write_ref write_ref;
btree(boost::shared_ptr<transaction_manager<BlockSize> > tm);
btree(boost::shared_ptr<transaction_manager<BlockSize> > tm,
btree(typename persistent_data::transaction_manager<BlockSize>::ptr tm);
btree(typename transaction_manager<BlockSize>::ptr tm,
block_address root);
~btree();
@@ -42,8 +43,23 @@ namespace persistent_data {
bool destroy_;
block_address root_;
};
struct uint64_traits {
typedef base::__le64 disk_type;
typedef uint64_t value_type;
static value_type construct(void *data) {
// extra memcpy because I'm paranoid about alignment issues
base::__le64 disk;
::memcpy(&disk, data, sizeof(disk));
return base::to_cpu<uint64_t>(disk);
}
};
};
#include "btree.tcc"
//----------------------------------------------------------------
#endif