41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#ifndef FINGERPRINT_H
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#define FINGERPRINT_H
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#include <boost/uuid/uuid.hpp>
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#include <type_traits>
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namespace osrm
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{
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namespace util
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{
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// implements a singleton, i.e. there is one and only one conviguration object
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class FingerPrint
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{
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public:
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static FingerPrint GetValid();
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const boost::uuids::uuid &GetFingerPrint() const;
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bool IsMagicNumberOK(const FingerPrint &other) const;
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bool TestGraphUtil(const FingerPrint &other) const;
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bool TestContractor(const FingerPrint &other) const;
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bool TestRTree(const FingerPrint &other) const;
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bool TestQueryObjects(const FingerPrint &other) const;
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private:
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unsigned magic_number;
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char md5_prepare[33];
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char md5_tree[33];
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char md5_graph[33];
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char md5_objects[33];
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// initialize to {6ba7b810-9dad-11d1-80b4-00c04fd430c8}
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boost::uuids::uuid named_uuid;
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};
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static_assert(sizeof(FingerPrint) == 152, "FingerPrint has unexpected size");
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static_assert(std::is_trivial<FingerPrint>::value, "FingerPrint needs to be trivial.");
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}
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}
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#endif /* FingerPrint_H */
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