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77 行
1.9 KiB
77 行
1.9 KiB
-module(nifHashb).
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-on_load(init/0).
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-export([
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new/0
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, get/2
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, put/3
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, hash1/2
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, hash2/2
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, hash3/2
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, cb1/2
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, cb2/2
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, compareBin1/2
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, compareBin2/2
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]).
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init() ->
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SoName =
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case code:priv_dir(?MODULE) of
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{error, _} ->
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case code:which(?MODULE) of
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Filename when is_list(Filename) ->
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filename:join([filename:dirname(Filename), "../priv", "nifHashb"]);
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_ ->
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filename:join("../priv", "nifHashb")
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end;
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Dir ->
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filename:join(Dir, "nifHashb")
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end,
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erlang:load_nif(SoName, 0).
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new() ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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get(Ref, Key) ->
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KeyBin = erlang:term_to_binary(Key),
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Hash1 = erlang:phash2(KeyBin),
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Hash2 = erlang:phash2(KeyBin, 123211111),
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get(Ref, Hash1, Hash2, KeyBin).
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get(Ref, Hash1, Hash2, KeyBin) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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put(Ref, Key, Value) ->
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KeyBin = erlang:term_to_binary(Key),
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ValueBin = erlang:term_to_binary(Value),
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Hash1 = erlang:phash2(KeyBin),
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Hash2 = erlang:phash2(KeyBin, 123211111),
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put(Ref, Hash1, Hash2, KeyBin, ValueBin).
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put(Ref, Hash1, Hash2, Key, Value) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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hash1(Term, Range) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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hash2(Term, Range) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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hash3(Term, Range) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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cb1(Term1, Term2) ->
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compareBin1(term_to_binary(Term1), term_to_binary(Term2)).
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cb2(Term1, Term2) ->
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compareBin2(term_to_binary(Term1), term_to_binary(Term2)).
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compareBin1(Bin1, Bin2) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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compareBin2(Bin1, Bin2) ->
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erlang:nif_error({nif_not_loaded, module, ?MODULE, line, ?LINE}).
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