#ifdef __cplusplus
#include <vector>
+#include <boost/array.hpp>
#include <boost/utility.hpp>
#include <boost/unordered_map.hpp>
#include <boost/unordered_set.hpp>
*
*/
struct s_mc_pages_store {
-private: // Types
+public: // Types
+#ifdef MC_PAGE_STORE_MD4
+ typedef boost::array<uint64_t,2> hash_type;
+#else
typedef uint64_t hash_type;
- typedef boost ::unordered_set<size_t> page_set_type;
+#endif
+private: // Types
+#ifdef MC_PAGE_STORE_MD4
+ // We are using a secure hash to identify a page.
+ // We assume there will not be any collision: we need to map a hash
+ // to a single page index.
+ typedef boost::unordered_map<hash_type, size_t> pages_map_type;
+#else
+ // We are using a cheap hash to index a page.
+ // We should expect collision and we need to associate multiple page indices
+ // to the same hash.
+ typedef boost::unordered_set<size_t> page_set_type;
typedef boost::unordered_map<hash_type, page_set_type> pages_map_type;
+#endif
private: // Fields:
/** First page