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Reorganized and matured things a bit.

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This commit is contained in:
Gregory Burd 2012-06-19 18:30:08 +01:00
parent 719418647c
commit 5431a85312
9 changed files with 650 additions and 2 deletions
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6
.gitignore vendored Normal file
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*.beam
.eunit
ebin
*~
deps
ebin

178
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268
Makefile Normal file
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@ -0,0 +1,268 @@
RELPKG=
REBAR=rebar
OTPREL=$(shell erl -noshell -eval 'io:format(erlang:system_info(otp_release)), halt().')
PLT=$(HOME)/.dialyzer_plt.$(OTPREL)
DIALYZE_IGNORE_WARN?=dialyze-ignore-warnings.txt
DIALYZE_NOSPEC_IGNORE_WARN?=dialyze-nospec-ignore-warnings.txt
dialyzer=dialyzer -q --plt $(PLT) -Wunmatched_returns -r ./lib
dialyzer-nospec=dialyzer -q --plt $(PLT) --no_spec -Wno_undefined_callbacks -r ./lib
dialyzer-eunit=dialyzer -q --plt $(PLT) -Wunmatched_returns -r `find ./lib -name .eunit -print | xargs echo`
dialyzer-eunit-nospec=dialyzer -q --plt $(PLT) --no_spec -Wno_undefined_callbacks -r `find ./lib -name .eunit -print | xargs echo`
ifeq ($(shell uname -s),Darwin)
ifeq ($(shell uname -m),x86_64)
otp_configure_flags= --enable-darwin-64bit
else
otp_configure_flags= --enable-darwin-universal
endif
else
otp_configure_flags=
endif
.PHONY: all test \
compile compile-eqc compile-proper \
eunit-compile eqc-compile triq-compile proper-compile \
eunit eqc proper \
doc \
build-plt check-plt \
dialyze dialyze-nospec \
update-dialyzer-baseline update-dialyzer-nospec-baseline \
dialyze-eunit dialyze-eunit-nospec \
dialyze-eqc dialyze-eqc-nospec \
dialyze-proper dialyze-proper-nospec \
ctags etags \
clean realclean distclean \
otp_make_release_tests otp_run_release_tests
all: compile
test: eunit
deps: get-deps
get-deps:
$(REBAR) get-deps
compile:
@echo "compiling: $(RELPKG) ..."
$(REBAR) compile
compile-eqc:
@echo "compiling-eqc: $(RELPKG) ..."
$(REBAR) compile -D QC -D QC_EQC
compile-triq:
@echo "compiling-eqc: $(RELPKG) ..."
$(REBAR) compile -D EQC -D TRIQ
compile-proper:
@echo "compiling-proper: $(RELPKG) ..."
$(REBAR) compile -D QC -D QC_PROPER
eunit-compile: compile
@echo "eunit test compiling: $(RELPKG) ..."
$(REBAR) compile -D QC -D TRIQ -D TEST
eqc-compile: compile-eqc
@echo "eqc test compiling: $(RELPKG) ..."
$(REBAR) compile eqc -D QC -D QC_EQC
triq-compile: compile-triz
@echo "eqc test compiling: $(RELPKG) ..."
$(REBAR) eunit-compile -D EQC -D TRIQ
proper-compile: compile-proper
@echo "proper test compiling: $(RELPKG) ..."
$(REBAR) eunit-compile -D QC -D QC_PROPER
eunit: eunit-compile
@echo "eunit testing: $(RELPKG) ..."
$(REBAR) eunit recursive=false
eqc: eqc-compile
@echo "eqc testing: $(RELPKG) ... not implemented yet"
triq: triq-compile
@echo "triq testing: $(RELPKG) ... not implemented yet"
proper: proper-compile
@echo "proper testing: $(RELPKG) ... not implemented yet"
doc: compile
@echo "edoc generating: $(RELPKG) ..."
$(REBAR) doc
build-plt: $(PLT)
check-plt: $(PLT)
dialyzer -q --plt $(PLT) --check_plt
dialyze: build-plt clean compile
@echo "dialyzing w/spec: $(RELPKG) ..."
$(dialyzer) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)
dialyze-nospec: build-plt clean compile
@echo "dialyzing w/o spec: $(RELPKG) ..."
$(dialyzer-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)
update-dialyzer-baseline: dialyze
mv -f $(DIALYZE_IGNORE_WARN).log $(DIALYZE_IGNORE_WARN)
update-dialyzer-nospec-baseline: dialyze-nospec
mv -f $(DIALYZE_NOSPEC_IGNORE_WARN).log $(DIALYZE_NOSPEC_IGNORE_WARN)
dialyze-eunit: build-plt clean eunit-compile
@echo "dialyzing .eunit w/spec: $(RELPKG) ..."
$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)
dialyze-eunit-nospec: build-plt clean eunit-compile
@echo "dialyzing .eunit w/o spec: $(RELPKG) ..."
$(REBAR) eunit-compile
$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)
dialyze-eqc: build-plt clean eqc-compile
@echo "dialyzing .eqc w/spec: $(RELPKG) ..."
$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)
dialyze-eqc-nospec: build-plt clean eqc-compile
@echo "dialyzing .eqc w/o spec: $(RELPKG) ..."
$(REBAR) eqc-compile
$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)
dialyze-proper: build-plt clean proper-compile
@echo "dialyzing .proper w/spec: $(RELPKG) ..."
$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)
dialyze-proper-nospec: build-plt clean proper-compile
@echo "dialyzing .proper w/o spec: $(RELPKG) ..."
$(REBAR) proper-compile
$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)
ctags:
find ./lib -name "*.[he]rl" -print | fgrep -v .eunit | ctags -
find ./lib -name "*.app.src" -print | fgrep -v .eunit | ctags -a -
find ./lib -name "*.config" -print | fgrep -v .eunit | ctags -a -
find ./lib -name "*.[ch]" -print | fgrep -v .eunit | ctags -a -
find ./lib -name "*.cc" -print | fgrep -v .eunit | ctags -a -
etags:
find ./lib -name "*.[he]rl" -print | fgrep -v .eunit | etags -
find ./lib -name "*.app.src" -print | fgrep -v .eunit | etags -a -
find ./lib -name "*.config" -print | fgrep -v .eunit | etags -a -
find ./lib -name "*.[ch]" -print | fgrep -v .eunit | etags -a -
find ./lib -name "*.cc" -print | fgrep -v .eunit | etags -a -
clean:
@echo "cleaning: $(RELPKG) ..."
$(REBAR) clean
realclean: clean
@echo "realcleaning: $(RELPKG) ..."
rm -f $(PLT) TAGS
distclean:
@echo "distcleaning: $(RELPKG) ..."
repo forall -v -c 'git clean -fdx --exclude=lib/'
$(PLT):
@echo "building: $(PLT) ..."
dialyzer -q --build_plt --output_plt $(PLT) --apps \
asn1 \
compiler \
crypto \
dialyzer \
diameter \
edoc \
erts \
et \
eunit \
gs \
hipe \
inets \
kernel \
mnesia \
observer \
parsetools \
public_key \
runtime_tools \
sasl \
ssl \
stdlib \
syntax_tools \
tools \
webtool \
xmerl
# rm -rf rebar rebar.git
# . ~/.kerl/installations/r13b04/activate
# make -f rebar.mk rebar
# git commit -m "Update rebar (`$(REBAR) -V | cut -d ' ' -f 8`)" rebar
rebar: rebar.git
(cd $(CURDIR)/rebar.git && make clean && make && cp -f rebar ..)
$(REBAR) -V
rebar.git:
rm -rf $(CURDIR)/rebar
git clone git://github.com/norton/rebar.git rebar.git
otp: otp.git
make -C $(CURDIR)/otp.git install
otp.git:
rm -rf $(CURDIR)/otp
mkdir -p $(CURDIR)/otp
git clone git://github.com/erlang/otp.git otp.git
(cd $(CURDIR)/otp.git && \
git co OTP_R15B01 && \
./otp_build autoconf && \
./configure \
--disable-hipe \
--enable-debug \
--enable-kernel-poll \
--enable-threads \
--enable-dynamic-ssl-lib \
--enable-shared-zlib \
--enable-smp-support \
$(otp_configure_flags) \
--prefix=$(CURDIR)/otp)
make -C $(CURDIR)/otp.git
otp-debug: otp.git
env ERL_TOP=$(CURDIR)/otp.git make -C otp.git/erts/emulator debug FLAVOR=smp
otp-valgrind: otp.git
env ERL_TOP=$(CURDIR)/otp.git make -C otp.git/erts/emulator valgrind FLAVOR=smp
cerl-debug: otp.git
env ERL_TOP=$(CURDIR)/otp.git otp.git/bin/cerl -debug
cerl-valgrind: otp.git
env ERL_TOP=$(CURDIR)/otp.git otp.git/bin/cerl -valgrind
## See https://github.com/erlang/otp/wiki/Running-tests for details
otp_make_release_tests: otp.git
rm -rf otp.git/release/tests
env ERL_TOP=$(CURDIR)/otp.git ERL_LIBS=$(CURDIR)/otp.git/lib \
make -C otp.git release_tests
otp_run_release_tests: otp_make_release_tests
@echo ""
@echo "** Warning killing all local beam, beam.smp, and epmd programs **"
@echo ""
sleep 10
killall -q -9 beam || true
killall -q -9 beam.smp || true
killall -q -9 epmd || true
@echo ""
@echo "** Open '$(CURDIR)/otp.git/release/tests/test_server/index.html' in your browser**"
@echo ""
sleep 10
(cd $(CURDIR)/otp.git/release/tests/test_server && \
env ERL_TOP=$(CURDIR)/otp.git ERL_LIBS=$(CURDIR)/otp.git/lib \
$(CURDIR)/otp.git/bin/erl \
-s ts install \
-s ts run \
-s erlang halt)

0
README.md Normal file
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31
rebar.config Normal file
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@ -0,0 +1,31 @@
{require_otp_vsn, "R1[45]"}.
{cover_enabled, true}.
{clean_files, ["*.eunit", "ebin/*.beam"]}.
{eunit_opts, [verbose, {report, {eunit_surefire, [{dir, "."}]}}]}.
{deps, [ {edown, "0.3.*", {git, "git://github.com/esl/edown.git", {branch, "master"}}}
, {asciiedoc, "0.1.*", {git, "git://github.com/norton/asciiedoc.git", {branch, "master"}}}
, {triq, ".*", {git, "git://github.com/krestenkrab/triq.git", {branch, "master"}}}
]}.
{erl_opts, [%{d,'TRIQ',true}, %% define 'PROPER' instead if you must...
{parse_transform, lager_transform},
fail_on_warning,
warn_unused_vars,
warn_export_all,
warn_shadow_vars,
warn_unused_import,
warn_unused_function,
warn_bif_clash,
warn_unused_record,
warn_deprecated_function,
warn_obsolete_guard,
strict_validation,
warn_export_vars,
warn_exported_vars,
warn_missing_spec,
warn_untyped_record,
debug_info]}.
{xref_checks, [undefined_function_calls]}.

37
bloom.erl → src/bloom.erl
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@ -2,10 +2,19 @@
%% @reference [http://en.wikipedia.org/wiki/Bloom_filter]
-module(bloom).
-export([new/1, new/2, is_bloom/1, is_element/2, add_element/2]).
-export([new/1, new/2, is_bloom/1, is_element/2, add_element/2, clear/1, count/1]).
-import(math, [log/1, pow/2]).
-import(erlang, [phash2/2]).
-ifdef(TEST).
-ifdef(EQC).
-include_lib("eqc/include/eqc.hrl").
-define(QC_OUT(P),
eqc:on_output(fun(Str, Args) -> io:format(user, Str, Args) end, P)).
-endif.
-include_lib("eunit/include/eunit.hrl").
-endif.
-record(bloom, {
m = 0, % The size of the bitmap in bits.
bitmap = <<>>, % The bitmap.
@ -14,7 +23,7 @@
keys = 0 % The current number of keys.
}).
%% @spec new(capacity) -> bloom()
%% @spec new(capacity) -> bloom().
%% @equiv new(capacity, 0.001)
new(N) -> new(N, 0.001).
@ -25,6 +34,21 @@ new(N, E) when N > 0, is_float(E), E > 0, E =< 1 ->
{M, K} = calc_least_bits(N, E),
#bloom{m=M, bitmap = <<0:((M+7) div 8 * 8)>>, k=K, n=N}.
%% @spec clear(bloom()) -> bloom().
%% @doc Creates a new empty Bloom filter from an existing one.
clear(#bloom{#bitmap=Bitmap} = B) ->
B#bloom{<<0:bit_size(Bitmap)>>, n=0}.
%% @spec count(bloom()) -> unsigned().
%% @doc Returns the number of elements encoded into this Bloom filter.
count(#bloom{#keys=N}) ->
N.
%% @spec filter_size(bloom()) -> unsigned().
%% @doc Returns the number of bits used in this Bloom filter.
filter_size(#bloom{#bitmap=Bitmap}) ->
bit_size(Bitmap).
%% @spec is_bloom(bloom()) -> bool()
%% @doc Determines if the given argument is a bloom record.
is_bloom(#bloom{}) -> true;
@ -61,6 +85,15 @@ set_bits(Bin, [Idx | Idxs]) ->
Byte0 = Byte bor Mask,
set_bits(<<Pre/binary, Byte0:8, Post/binary>>, Idxs).
%% set2(N, Bin) ->
%% <<L:N/bits, _:1, R/bits>> = Bin,
%% <<L/bits, 1:1, R/bits>>.
%% a(N, B) ->
%% fun (<<L:N/bits, _:1, R/bits>>) ->
%% <<L/bits, 1:1, R/bits>>
%% end(B).
% Find the optimal bitmap size and number of hashes.
calc_least_bits(N, E) -> calc_least_bits(N, E, 1, 0, 0).
calc_least_bits(N, E, K, MinM, BestK) ->

87
src/ebloom.erl Normal file
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@ -0,0 +1,87 @@
%% -------------------------------------------------------------------
%%
%% Copyright (c) 2010 Basho Technologies, Inc. All Rights Reserved.
%%
%% This file is provided to you under the Apache License,
%% Version 2.0 (the "License"); you may not use this file
%% except in compliance with the License. You may obtain
%% a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing,
%% software distributed under the License is distributed on an
%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
%% KIND, either express or implied. See the License for the
%% specific language governing permissions and limitations
%% under the License.
%%
%% -------------------------------------------------------------------
%% This module in bloomerl serves to provide drop-in compatibility with
%% the ebloom module.
-module(ebloom).
-author('Dave Smith <dizzyd@dizzyd.com>').
-export([new/3,
insert/2,
contains/2,
clear/1,
size/1,
elements/1,
effective_fpp/1,
intersect/2,
union/2,
difference/2,
serialize/1,
deserialize/1]).
-spec new(integer(), float(), integer()) -> {ok, reference()}.
new(Count, FalseProb, _Seed) ->
bloom:new(Count, FalseProb).
-spec insert(reference(), binary()) -> ok.
insert(Ref, Bin) ->
bloom:add_element(Key, Ref).
-spec contains(reference(), binary()) -> true | false.
contains(Ref, Bin) ->
is_element(Bin, Ref).
-spec clear(reference()) -> ok.
clear(Ref) ->
bloom:clear(Ref).
-spec size(reference()) -> integer().
size(Ref) ->
bloom:filter_size(Ref).
-spec elements(reference()) -> integer().
elements(Ref) ->
bloom:count(Ref).
-spec effective_fpp(reference()) -> float().
effective_fpp(_Ref) ->
raise not_yet_implemented.
-spec intersect(reference(), reference()) -> ok.
intersect(_Ref, _OtherRef) ->
raise not_yet_implemented.
-spec union(reference(), reference()) -> ok.
union(_Ref, _OtherRef) ->
raise not_yet_implemented.
-spec difference(reference(), reference()) -> ok.
difference(_Ref, _OtherRef) ->
raise not_yet_implemented.
-spec serialize(reference()) -> binary().
serialize(Ref) ->
erlang:term_to_binary(Ref).
-spec deserialize(binary()) -> {ok, reference()}.
deserialize(Bin) ->
erlang:binary_to_term(Bin).

7
test/bloom_SUITE.erl Normal file
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@ -0,0 +1,7 @@
basic_test() ->
{ok, Ref} = new(5, 0.01, 123),
0 = elements(Ref),
insert(Ref, <<"abcdef">>),
true = contains(Ref, <<"abcdef">>),
false = contains(Ref, <<"zzzzzz">>).

38
test/ebloom_SUITE.erl Normal file
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@ -0,0 +1,38 @@
basic_test() ->
{ok, Ref} = new(5, 0.01, 123),
0 = elements(Ref),
insert(Ref, <<"abcdef">>),
true = contains(Ref, <<"abcdef">>),
false = contains(Ref, <<"zzzzzz">>).
%% union_test() ->
%% {ok, Ref} = new(5, 0.01, 123),
%% {ok, Ref2} = new(5, 0.01, 123),
%% insert(Ref, <<"abcdef">>),
%% false = contains(Ref2, <<"abcdef">>),
%% union(Ref2, Ref),
%% true = contains(Ref2, <<"abcdef">>).
serialize_test() ->
{ok, Ref} = new(5, 0.01, 123),
{ok, Ref2} = new(5, 0.01, 123),
Bin = serialize(Ref),
Bin2 = serialize(Ref2),
true = (Bin =:= Bin2),
insert(Ref, <<"abcdef">>),
Bin3 = serialize(Ref),
{ok, Ref3} = deserialize(Bin3),
true = contains(Ref3, <<"abcdef">>),
false = contains(Ref3, <<"rstuvw">>).
clear_test() ->
{ok, Ref} = new(5, 0.01, 123),
0 = elements(Ref),
insert(Ref, <<"1">>),
insert(Ref, <<"2">>),
insert(Ref, <<"3">>),
3 = elements(Ref),
clear(Ref),
0 = elements(Ref),
false = contains(Ref, <<"1">>).