mirror of
https://github.com/gelldur/EventBus.git
synced 2024-12-26 10:41:01 +08:00
Reorganize project structure
commit f7dd4172cf535cf52601a8819cf5c8bfabcd1fe4
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 31 10:26:27 2018 +0200
Improve Travis script
Fixed after reordering project structure
commit d054e5c91762da15defa458404e355d7c670e301
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Mon Jul 30 15:11:21 2018 +0200
Update Travis CI for linux and OSX
commit 63395f5a7e3dd9f2a52b2d6a254da89ec1d6e5e9
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Fri Jul 27 14:38:40 2018 +0200
Secure EventBus from wrong usage
For example user previously could do such thing:
bus.listen<const MyEvent>(...)
bus.listen<MyEvent>(...)
Those we 2 different events :/
commit f9195316d3ba6313ee425e3194b65b32fe52d641
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Thu Jul 26 12:44:17 2018 +0200
Update for better managing Debug/Release
Updated project for easy switch between debug/release versions of library
Thanks to that we can do only find_package and don't have to care about if's switching between
debug/release
Thanks: https://github.com/forexample/package-example
commit 7d708959d9e96176875ca882f0f69a72622added
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Wed Jul 25 13:45:55 2018 +0200
Update clang-format style
commit beb1d3b863379490f321e43f3e42ab272954ea67
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 16:05:16 2018 +0200
Add some docs
commit ca450dfeee2d4bc604bbb9bf0599f373c21a4173
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 15:49:52 2018 +0200
Remove not needed includes
commit 6473b80e8e60408675bcc4adc88653390576c4bd
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 15:41:57 2018 +0200
Code format
commit 8abb56e1dd4b71df2b05bb34bef0530567e4ff2e
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 15:41:40 2018 +0200
Improve performance
Thanks to that we don't need RTTI
commit 1feacbb1f9ae6a5ac2209a6dc1df5c868ead8fd4
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 15:14:16 2018 +0200
Remove trash
commit b5dc5c05589b969dd61eb65b68e4cdce69c5a5fb
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 15:00:15 2018 +0200
Fix include path
commit 9939fd09805191f0bdada6cb85193a291d519116
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 14:51:02 2018 +0200
Update install lib
commit 9eaa09f9ec5a29045b03ffc7632878863a2b2b9b
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 14:50:47 2018 +0200
Fix
commit 7a5b3323af0b728f7e511ac22ff5027c6d06402e
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 14:16:12 2018 +0200
Update README
commit beb6599ee4385fdffc747dc866db46e160be1358
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 14:16:05 2018 +0200
Add performance compare to Poco::NotifactionCenter
commit 1d25b997580a9ee09c9db86135b4ca9e1b1a10c6
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 14:14:08 2018 +0200
Update clang-format
commit 4f4cb4a7e8a849c067a42085eb3e76c3df894bc7
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 13:04:30 2018 +0200
Remove bad flag
It is only working for GCC
commit 66a7945084607f94d9d0c803008398e8d281fd06
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 13:03:15 2018 +0200
Remove deprecated stuff
It was breaking encapsulation
commit 1e7500607b42bff3632250f623888b95a503dfd0
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 13:01:37 2018 +0200
Update sample
commit 11a146bb9145fa55f9b9a39a9e033387007a7151
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 13:01:27 2018 +0200
Add clang-format rules
commit 685562c632d9751f50a2f05b92ef9ebf53a5d6e0
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 12:47:10 2018 +0200
Reorganize project layout
Inspired by: https://www.youtube.com/watch?v=6sWec7b0JIc
commit 40d1d6487814730533d7dd7cbedbaf2b4e34ef19
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 12:45:55 2018 +0200
Remove Catch2 submodule
Switch to own dependency
commit ca21df04f392adcb027a5b4f25ffac085b51f48c
Author: Dawid Drozd <dawid.drozd@mobica.com>
Date: Tue Jul 24 11:28:51 2018 +0200
Remove old code
This commit is contained in:
Dawid Drozd
parent
7ae52d926d
commit
3688c145cb
127
.clang-format
Normal file
127
.clang-format
Normal file
@ -0,0 +1,127 @@
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|
# Checkout config tool: https://zed0.co.uk/clang-format-configurator/
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||||||
|
# Or http://cf.monofraps.net/
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||||||
|
# https://clang.llvm.org/docs/ClangFormatStyleOptions.html
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||||||
|
# https://github.com/01org/parameter-framework/blob/master/.clang-format
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|
|
||||||
|
# Tested on: clang-format version 6.0.1
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||||||
|
|
||||||
|
|
||||||
|
# Common settings
|
||||||
|
BasedOnStyle: WebKit
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||||||
|
TabWidth: 4
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|
IndentWidth: 4
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||||||
|
UseTab: Always
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||||||
|
ColumnLimit: 100
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||||||
|
|
||||||
|
# Other languages JavaScript, Proto
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||||||
|
|
||||||
|
---
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||||||
|
Language: Cpp
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||||||
|
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||||||
|
# http://releases.llvm.org/6.0.1/tools/clang/docs/ClangFormatStyleOptions.html#disabling-formatting-on-a-piece-of-code
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|
# int formatted_code;
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# // clang-format off
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# void unformatted_code ;
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# // clang-format on
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# void formatted_code_again;
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DisableFormat: false
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||||||
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Standard: Cpp11
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||||||
|
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||||||
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AccessModifierOffset: -4
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||||||
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AlignAfterOpenBracket: true
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||||||
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AlignConsecutiveAssignments: false
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AlignConsecutiveDeclarations: false
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AlignEscapedNewlinesLeft: false
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||||||
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AlignOperands: true
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|
AlignTrailingComments: false
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||||||
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AllowAllParametersOfDeclarationOnNextLine: true
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||||||
|
AllowShortBlocksOnASingleLine: false
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||||||
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AllowShortCaseLabelsOnASingleLine: false
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||||||
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AllowShortFunctionsOnASingleLine: Empty
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||||||
|
AllowShortIfStatementsOnASingleLine: false
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||||||
|
AllowShortLoopsOnASingleLine: false
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||||||
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AlwaysBreakAfterDefinitionReturnType: false
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||||||
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AlwaysBreakAfterReturnType: None
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||||||
|
AlwaysBreakBeforeMultilineStrings: false
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||||||
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AlwaysBreakTemplateDeclarations: true
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||||||
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BinPackArguments: false
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BinPackParameters: false
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# Configure each individual brace in BraceWrapping
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|
BreakBeforeBraces: Custom
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# Control of individual brace wrapping cases
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BraceWrapping: {
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AfterClass: 'true'
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AfterControlStatement: 'true'
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AfterEnum : 'true'
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AfterFunction : 'true'
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AfterNamespace : 'true'
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AfterStruct : 'true'
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AfterUnion : 'true'
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BeforeCatch : 'true'
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BeforeElse : 'true'
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|
IndentBraces : 'false'
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|
AfterExternBlock : 'true'
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SplitEmptyFunction : 'false'
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SplitEmptyRecord : 'false'
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SplitEmptyNamespace : 'true'
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}
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BreakAfterJavaFieldAnnotations: true
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BreakBeforeInheritanceComma: false
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BreakBeforeBinaryOperators: None
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BreakBeforeTernaryOperators: true
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BreakConstructorInitializersBeforeComma: true
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BreakStringLiterals: true
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CommentPragmas: '^ IWYU pragma:'
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CompactNamespaces: false
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ConstructorInitializerAllOnOneLineOrOnePerLine: false
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ConstructorInitializerIndentWidth: 4
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ContinuationIndentWidth: 4
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Cpp11BracedListStyle: true
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DerivePointerAlignment: false
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ExperimentalAutoDetectBinPacking: false
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ForEachMacros: [ foreach, Q_FOREACH, BOOST_FOREACH ]
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|
IndentCaseLabels: false
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FixNamespaceComments: true
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IndentWrappedFunctionNames: false
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KeepEmptyLinesAtTheStartOfBlocks: true
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|
MacroBlockBegin: ''
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MacroBlockEnd: ''
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|
JavaScriptQuotes: Double
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|
MaxEmptyLinesToKeep: 1
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|
NamespaceIndentation: None
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||||||
|
ObjCBlockIndentWidth: 4
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|
ObjCSpaceAfterProperty: true
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|
ObjCSpaceBeforeProtocolList: true
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|
PenaltyBreakBeforeFirstCallParameter: 19
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|
PenaltyBreakComment: 300
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|
PenaltyBreakFirstLessLess: 120
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|
PenaltyBreakString: 1000
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|
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|
PenaltyExcessCharacter: 1000000
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|
PenaltyReturnTypeOnItsOwnLine: 60
|
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|
PointerAlignment: Left
|
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|
SpaceAfterCStyleCast: false
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|
SpaceBeforeAssignmentOperators: true
|
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|
SpaceBeforeParens: Never
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|
SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 1
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|
SpacesInAngles: false
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|
SpacesInContainerLiterals: true
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|
SpacesInCStyleCastParentheses: false
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|
SpacesInParentheses: false
|
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|
SpacesInSquareBrackets: false
|
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|
SpaceAfterTemplateKeyword: true
|
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|
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|
SortUsingDeclarations: true
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|
SortIncludes: true
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|
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|
# Comments are for developers, they should arrange them
|
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|
ReflowComments: false
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|
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IncludeBlocks: Preserve
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IndentPPDirectives: AfterHash
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|
---
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3
.gitmodules
vendored
3
.gitmodules
vendored
@ -1,6 +1,3 @@
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[submodule "test/Catch"]
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path = test/Catch
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url = https://github.com/philsquared/Catch.git
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[submodule "performance/benchmark"]
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[submodule "performance/benchmark"]
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path = performance/benchmark
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path = performance/benchmark
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url = https://github.com/google/benchmark.git
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url = https://github.com/google/benchmark.git
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71
.travis.yml
71
.travis.yml
@ -1,37 +1,54 @@
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os: linux
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dist: trusty
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sudo: require
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language: cpp
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language: cpp
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sudo: false
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addons:
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common_sources: &all_sources
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apt:
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- ubuntu-toolchain-r-test
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sources:
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- llvm-toolchain-trusty
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- llvm-toolchain-precise-3.9
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- llvm-toolchain-trusty-3.9
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- ubuntu-toolchain-r-test
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- llvm-toolchain-trusty-4.0
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packages:
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- llvm-toolchain-trusty-5.0
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- clang-3.9
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- llvm-toolchain-trusty-6.0
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- gcc-6
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- g++-6
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matrix:
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matrix:
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include:
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exclude: # On OSX g++ is a symlink to clang++ by default
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- compiler: gcc
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- os: osx
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env: COMPILER=g++-6
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compiler: gcc
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- compiler: clang
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include:
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env: COMPILER=clang++-3.9
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- os: linux
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compiler: gcc
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addons:
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apt:
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sources: *all_sources
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packages: ['gcc-7', 'g++-7', 'cmake']
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env: COMPILER='g++-7'
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- os: linux
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compiler: clang
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addons:
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apt:
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sources: *all_sources
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packages: ['clang-6.0', 'libstdc++-6-dev', 'cmake']
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env: COMPILER='clang++-6.0'
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|
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- os: osx
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osx_image: xcode9.4
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compiler: clang
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env: COMPILER='clang++'
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before_install:
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before_install:
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- if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get -qq update; fi
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# Install catch 2 dependency
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- wget https://github.com/catchorg/Catch2/archive/v2.2.3.zip
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before_script:
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- unzip v2.2.3.zip && cd Catch2-2.2.3 && mkdir -p build/ && cd build/
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- if [ "$COMPILER" = "g++-6" ]; then export CXX="g++-6" CC="gcc-6"; fi
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- cmake -DCMAKE_BUILD_TYPE=Release .. -DCMAKE_INSTALL_PREFIX=~/.local/ && cmake --build . --target install
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- if [ "$COMPILER" = "clang++-3.9" ]; then export CXX="clang++-3.9" CC="clang-3.9"; fi
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- cd ../..
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script:
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script:
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- mkdir build-debug && cd build-debug && cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_TESTING=YES .. && cmake --build .
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#Build & Install library
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- ./test/EventBusTest # Run tests
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- (mkdir -p lib/build-debug/ && cd lib/build-debug && cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=~/.local/ .. && cmake --build . --target install)
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- cd .. # exit from build-debug
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- (mkdir -p lib/build-release/ && cd lib/build-release && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/.local/ .. && cmake --build . --target install)
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- mkdir build-release && cd build-release && cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=YES .. && cmake --build .
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# Run tests
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- ./test/EventBusTest # Run tests
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- (mkdir -p test/build-debug/ && cd test/build-debug && cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=~/.local/ .. && cmake --build . && ctest -V .)
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- (mkdir -p test/build-release/ && cd test/build-release && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/.local/ .. && cmake --build . && ctest -V .)
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@ -1,66 +1,20 @@
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CMAKE_MINIMUM_REQUIRED(VERSION 3.2 FATAL_ERROR)
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cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
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OPTION(PERFORMANCE "Enable/Disable performance subdirectory" OFF)
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# Layout of project is inspired by: https://youtu.be/6sWec7b0JIc?t=20m50s
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# This top level CMakeLists should be used for development
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# BUILD_SHARED_LIBS can controll build type!
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project(EventBusDev)
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PROJECT(EventBus
|
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VERSION 2.2.0
|
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LANGUAGES CXX
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)
|
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|
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ADD_LIBRARY(EventBus
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add_subdirectory(lib/)
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src/eventbus/EventCollector.cpp include/eventbus/EventCollector.h
|
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include/eventbus/EventBus.h
|
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)
|
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ADD_LIBRARY(Dexode::EventBus ALIAS EventBus)
|
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|
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TARGET_INCLUDE_DIRECTORIES(EventBus PUBLIC
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enable_testing()
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/>
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add_subdirectory(test/)
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$<INSTALL_INTERFACE:include/>
|
add_subdirectory(sample/)
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PRIVATE src/
|
add_subdirectory(performance/)
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)
|
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|
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TARGET_COMPILE_OPTIONS(EventBus PRIVATE
|
target_compile_options(EventBus PUBLIC
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-Wall -pedantic
|
-Wall -pedantic
|
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-Wnon-virtual-dtor
|
-Wnon-virtual-dtor
|
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-Werror
|
-Werror
|
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-Wno-error=deprecated-declarations
|
-Wno-error=deprecated-declarations
|
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)
|
)
|
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|
|
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IF(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBus PRIVATE
|
|
||||||
-Wno-error=unknown-argument
|
|
||||||
-Wno-error=unused-command-line-argument
|
|
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)
|
|
||||||
ENDIF()
|
|
||||||
|
|
||||||
SET_TARGET_PROPERTIES(EventBus PROPERTIES
|
|
||||||
CXX_STANDARD 14
|
|
||||||
)
|
|
||||||
|
|
||||||
IF(NOT CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
|
|
||||||
TARGET_COMPILE_FEATURES(EventBus
|
|
||||||
PUBLIC cxx_auto_type
|
|
||||||
)
|
|
||||||
ENDIF()
|
|
||||||
|
|
||||||
INSTALL(TARGETS EventBus EXPORT EventBusConfig
|
|
||||||
ARCHIVE DESTINATION lib/
|
|
||||||
LIBRARY DESTINATION lib/
|
|
||||||
RUNTIME DESTINATION bin/
|
|
||||||
INCLUDES DESTINATION include/
|
|
||||||
)
|
|
||||||
INSTALL(DIRECTORY ${CMAKE_SOURCE_DIR}/include/ DESTINATION include/ FILES_MATCHING PATTERN "*.h*")
|
|
||||||
INSTALL(EXPORT EventBusConfig
|
|
||||||
DESTINATION cmake/
|
|
||||||
NAMESPACE Dexode::
|
|
||||||
)
|
|
||||||
EXPORT(TARGETS EventBus FILE EventBusConfig.cmake)
|
|
||||||
|
|
||||||
IF(BUILD_TESTING)
|
|
||||||
ADD_SUBDIRECTORY(test/)
|
|
||||||
ENDIF()
|
|
||||||
|
|
||||||
IF(PERFORMANCE)
|
|
||||||
ADD_SUBDIRECTORY(performance/)
|
|
||||||
ENDIF()
|
|
||||||
|
|||||||
14
README.md
14
README.md
@ -180,8 +180,12 @@ TARGET_LINK_LIBRARIES(MyExecutable PUBLIC Dexode::EventBus)
|
|||||||
Also if you want you can install library and add it at any way you want.
|
Also if you want you can install library and add it at any way you want.
|
||||||
Eg.
|
Eg.
|
||||||
```commandline
|
```commandline
|
||||||
mkdir Release && cd Release
|
mkdir -p lib/build/
|
||||||
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=./install ..
|
cd lib/build
|
||||||
|
cmake -DCMAKE_BUILD_TYPE=Relase -DCMAKE_INSTALL_PREFIX=~/.local/ ..
|
||||||
|
|
||||||
|
cmake --build . --target install
|
||||||
|
# OR
|
||||||
make && make install
|
make && make install
|
||||||
```
|
```
|
||||||
|
|
||||||
@ -205,6 +209,7 @@ checkNotifyFor10kListenersWhenNoOneListens_CCNotificationCenter 127388 ns
|
|||||||
- Thread safe EventBus ?
|
- Thread safe EventBus ?
|
||||||
- Verbose messages for easy debugging ?
|
- Verbose messages for easy debugging ?
|
||||||
- Generating graph flow ?
|
- Generating graph flow ?
|
||||||
|
- Add nice documentation [like in POCO](https://pocoproject.org/slides/090-NotificationsEvents.pdf)
|
||||||
- ...
|
- ...
|
||||||
|
|
||||||
# Issues ?
|
# Issues ?
|
||||||
@ -217,6 +222,11 @@ Please report here issue / question / whatever in 99% I will answer ;)
|
|||||||
- [swietlana](https://github.com/swietlana) for english correction and support ;)
|
- [swietlana](https://github.com/swietlana) for english correction and support ;)
|
||||||
- [ruslo](https://github.com/ruslo) for this great example: https://github.com/forexample/package-example
|
- [ruslo](https://github.com/ruslo) for this great example: https://github.com/forexample/package-example
|
||||||
|
|
||||||
|
## For modern cmake refer
|
||||||
|
|
||||||
|
- https://github.com/forexample/package-example
|
||||||
|
- https://www.youtube.com/watch?v=6sWec7b0JIc
|
||||||
|
|
||||||
# License
|
# License
|
||||||
|
|
||||||
EventBus source code can be used according to the **Apache License, Version 2.0**.
|
EventBus source code can be used according to the **Apache License, Version 2.0**.
|
||||||
|
|||||||
104
lib/CMakeLists.txt
Normal file
104
lib/CMakeLists.txt
Normal file
@ -0,0 +1,104 @@
|
|||||||
|
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
|
||||||
|
|
||||||
|
# BUILD_SHARED_LIBS can controll build type!
|
||||||
|
project(EventBus
|
||||||
|
VERSION 2.2.0
|
||||||
|
LANGUAGES CXX
|
||||||
|
)
|
||||||
|
|
||||||
|
# Dependencies
|
||||||
|
# No dependencies for EventBus yay!
|
||||||
|
|
||||||
|
# Introduce variables:
|
||||||
|
# * CMAKE_INSTALL_LIBDIR
|
||||||
|
# * CMAKE_INSTALL_BINDIR
|
||||||
|
# * CMAKE_INSTALL_INCLUDEDIR
|
||||||
|
include(GNUInstallDirs)
|
||||||
|
|
||||||
|
# Layout. This works for all platforms:
|
||||||
|
# * <prefix>/lib*/cmake/<PROJECT-NAME>
|
||||||
|
# * <prefix>/lib*/
|
||||||
|
# * <prefix>/include/
|
||||||
|
set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
|
||||||
|
|
||||||
|
# Library definition
|
||||||
|
add_library(EventBus
|
||||||
|
src/EventCollector.cpp include/eventbus/EventCollector.h
|
||||||
|
include/eventbus/EventBus.h
|
||||||
|
)
|
||||||
|
add_library(Dexode::EventBus ALIAS EventBus)
|
||||||
|
|
||||||
|
target_compile_features(EventBus PUBLIC cxx_std_14)
|
||||||
|
|
||||||
|
target_include_directories(EventBus PUBLIC
|
||||||
|
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/>
|
||||||
|
$<INSTALL_INTERFACE:include/>
|
||||||
|
PRIVATE lib/src/
|
||||||
|
)
|
||||||
|
|
||||||
|
# Add definitions for targets
|
||||||
|
# Values:
|
||||||
|
# * Debug: -DEVENTBUS_DEBUG=1
|
||||||
|
# * Release: -DEVENTBUS_DEBUG=0
|
||||||
|
# * other: -DEVENTBUS_DEBUG=0
|
||||||
|
target_compile_definitions(EventBus PUBLIC "EVENTBUS_DEBUG=$<CONFIG:Debug>")
|
||||||
|
|
||||||
|
|
||||||
|
# Configuration
|
||||||
|
set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
|
||||||
|
set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
|
||||||
|
set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
|
||||||
|
set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
|
||||||
|
set(namespace "Dexode::")
|
||||||
|
|
||||||
|
# Targets:
|
||||||
|
# * <prefix>/lib/libEventBus.a
|
||||||
|
# * header location after install: <prefix>/include/eventbus/EventBus.h
|
||||||
|
# * headers can be included by C++ code `#include <eventbus/EventBus.h>`
|
||||||
|
install(TARGETS EventBus
|
||||||
|
EXPORT "${TARGETS_EXPORT_NAME}"
|
||||||
|
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
||||||
|
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
|
||||||
|
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
|
||||||
|
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
|
||||||
|
)
|
||||||
|
|
||||||
|
# Export headers
|
||||||
|
install(DIRECTORY include/eventbus
|
||||||
|
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
|
||||||
|
)
|
||||||
|
|
||||||
|
# Include module with fuction 'write_basic_package_version_file'
|
||||||
|
include(CMakePackageConfigHelpers)
|
||||||
|
|
||||||
|
# Configure '<PROJECT-NAME>ConfigVersion.cmake'
|
||||||
|
# Use:
|
||||||
|
# * PROJECT_VERSION
|
||||||
|
write_basic_package_version_file(
|
||||||
|
"${version_config}" COMPATIBILITY SameMajorVersion
|
||||||
|
)
|
||||||
|
|
||||||
|
# Configure '<PROJECT-NAME>Config.cmake'
|
||||||
|
# Use variables:
|
||||||
|
# * TARGETS_EXPORT_NAME
|
||||||
|
# * PROJECT_NAME
|
||||||
|
configure_package_config_file(
|
||||||
|
"cmake/Config.cmake.in"
|
||||||
|
"${project_config}"
|
||||||
|
INSTALL_DESTINATION "${config_install_dir}"
|
||||||
|
)
|
||||||
|
|
||||||
|
# Config
|
||||||
|
# * <prefix>/lib/cmake/EventBusventBusConfig.cmake
|
||||||
|
# * <prefix>/lib/cmake/EventBus/EventBusConfigVersion.cmake
|
||||||
|
install(
|
||||||
|
FILES "${project_config}" "${version_config}"
|
||||||
|
DESTINATION "${config_install_dir}"
|
||||||
|
)
|
||||||
|
|
||||||
|
# Config
|
||||||
|
# * <prefix>/lib/cmake/EventBus/EventBusTargets.cmake
|
||||||
|
install(EXPORT "${TARGETS_EXPORT_NAME}"
|
||||||
|
DESTINATION "${config_install_dir}"
|
||||||
|
NAMESPACE "${namespace}"
|
||||||
|
)
|
||||||
4
lib/cmake/Config.cmake.in
Normal file
4
lib/cmake/Config.cmake.in
Normal file
@ -0,0 +1,4 @@
|
|||||||
|
@PACKAGE_INIT@
|
||||||
|
|
||||||
|
include("${CMAKE_CURRENT_LIST_DIR}/@TARGETS_EXPORT_NAME@.cmake")
|
||||||
|
check_required_components("@PROJECT_NAME@")
|
||||||
@ -5,15 +5,28 @@
|
|||||||
#include <functional>
|
#include <functional>
|
||||||
#include <map>
|
#include <map>
|
||||||
#include <memory>
|
#include <memory>
|
||||||
#include <string>
|
|
||||||
#include <typeinfo>
|
|
||||||
#include <vector>
|
#include <vector>
|
||||||
|
|
||||||
namespace Dexode
|
namespace Dexode
|
||||||
{
|
{
|
||||||
|
|
||||||
|
template <typename>
|
||||||
|
void type_id() // Helper for getting "type id"
|
||||||
|
{}
|
||||||
|
|
||||||
|
using type_id_t = void (*)(); // Function pointer
|
||||||
|
|
||||||
class EventBus
|
class EventBus
|
||||||
{
|
{
|
||||||
|
template <class Event>
|
||||||
|
constexpr void validateEvent()
|
||||||
|
{
|
||||||
|
static_assert(std::is_const<Event>::value == false, "Struct must be without const");
|
||||||
|
static_assert(std::is_volatile<Event>::value == false, "Struct must be without volatile");
|
||||||
|
static_assert(std::is_reference<Event>::value == false, "Struct must be without reference");
|
||||||
|
static_assert(std::is_pointer<Event>::value == false, "Struct must be without pointer");
|
||||||
|
}
|
||||||
|
|
||||||
public:
|
public:
|
||||||
EventBus() = default;
|
EventBus() = default;
|
||||||
|
|
||||||
@ -35,9 +48,11 @@ public:
|
|||||||
* @param callback - your callback to handle event
|
* @param callback - your callback to handle event
|
||||||
* @return token used for unlisten
|
* @return token used for unlisten
|
||||||
*/
|
*/
|
||||||
template<typename Event>
|
template <typename Event>
|
||||||
int listen(const std::function<void(const Event&)>& callback)
|
int listen(const std::function<void(const Event&)>& callback)
|
||||||
{
|
{
|
||||||
|
validateEvent<Event>();
|
||||||
|
|
||||||
const int token = ++_tokener;
|
const int token = ++_tokener;
|
||||||
listen<Event>(token, callback);
|
listen<Event>(token, callback);
|
||||||
return token;
|
return token;
|
||||||
@ -48,15 +63,17 @@ public:
|
|||||||
* @param token - unique token for identification receiver. Simply pass token from @see EventBus::listen
|
* @param token - unique token for identification receiver. Simply pass token from @see EventBus::listen
|
||||||
* @param callback - your callback to handle event
|
* @param callback - your callback to handle event
|
||||||
*/
|
*/
|
||||||
template<typename Event>
|
template <typename Event>
|
||||||
void listen(const int token, const std::function<void(const Event&)>& callback)
|
void listen(const int token, const std::function<void(const Event&)>& callback)
|
||||||
{
|
{
|
||||||
|
validateEvent<Event>();
|
||||||
|
|
||||||
using Vector = VectorImpl<Event>;
|
using Vector = VectorImpl<Event>;
|
||||||
|
|
||||||
assert(callback && "callback should be valid");//Check for valid object
|
assert(callback && "callback should be valid"); //Check for valid object
|
||||||
|
|
||||||
std::unique_ptr<VectorInterface>& vector = _callbacks[getTypeId<Event>()];
|
std::unique_ptr<VectorInterface>& vector = _callbacks[type_id<Event>];
|
||||||
if (vector == nullptr)
|
if(vector == nullptr)
|
||||||
{
|
{
|
||||||
vector.reset(new Vector{});
|
vector.reset(new Vector{});
|
||||||
}
|
}
|
||||||
@ -70,7 +87,7 @@ public:
|
|||||||
*/
|
*/
|
||||||
void unlistenAll(const int token)
|
void unlistenAll(const int token)
|
||||||
{
|
{
|
||||||
for (auto& element : _callbacks)
|
for(auto& element : _callbacks)
|
||||||
{
|
{
|
||||||
element.second->remove(token);
|
element.second->remove(token);
|
||||||
}
|
}
|
||||||
@ -80,11 +97,13 @@ public:
|
|||||||
* @tparam Event - type you want to unlisten. @see Notiier::listen
|
* @tparam Event - type you want to unlisten. @see Notiier::listen
|
||||||
* @param token - token from EventBus::listen
|
* @param token - token from EventBus::listen
|
||||||
*/
|
*/
|
||||||
template<typename Event>
|
template <typename Event>
|
||||||
void unlisten(const int token)
|
void unlisten(const int token)
|
||||||
{
|
{
|
||||||
auto found = _callbacks.find(getTypeId<Event>());
|
validateEvent<Event>();
|
||||||
if (found != _callbacks.end())
|
|
||||||
|
auto found = _callbacks.find(type_id<Event>);
|
||||||
|
if(found != _callbacks.end())
|
||||||
{
|
{
|
||||||
found->second->remove(token);
|
found->second->remove(token);
|
||||||
}
|
}
|
||||||
@ -95,15 +114,17 @@ public:
|
|||||||
*
|
*
|
||||||
* @param event your event struct
|
* @param event your event struct
|
||||||
*/
|
*/
|
||||||
template<typename Event>
|
template <typename Event>
|
||||||
void notify(const Event& event)
|
void notify(const Event& event)
|
||||||
{
|
{
|
||||||
using Vector = VectorImpl<Event>;
|
using CleanEventType = typename std::remove_const<Event>::type;
|
||||||
const auto typeId = getTypeId<Event>();//TODO think about constexpr
|
validateEvent<CleanEventType>();
|
||||||
auto found = _callbacks.find(typeId);
|
|
||||||
if (found == _callbacks.end())
|
using Vector = VectorImpl<CleanEventType>;
|
||||||
|
auto found = _callbacks.find(type_id<CleanEventType>);
|
||||||
|
if(found == _callbacks.end())
|
||||||
{
|
{
|
||||||
return;// no such notifications
|
return; // no such notifications
|
||||||
}
|
}
|
||||||
|
|
||||||
std::unique_ptr<VectorInterface>& vector = found->second;
|
std::unique_ptr<VectorInterface>& vector = found->second;
|
||||||
@ -111,7 +132,7 @@ public:
|
|||||||
Vector* vectorImpl = static_cast<Vector*>(vector.get());
|
Vector* vectorImpl = static_cast<Vector*>(vector.get());
|
||||||
|
|
||||||
vectorImpl->beginTransaction();
|
vectorImpl->beginTransaction();
|
||||||
for (const auto& element : vectorImpl->container)
|
for(const auto& element : vectorImpl->container)
|
||||||
{
|
{
|
||||||
element.second(event);
|
element.second(event);
|
||||||
}
|
}
|
||||||
@ -126,7 +147,7 @@ private:
|
|||||||
virtual void remove(const int token) = 0;
|
virtual void remove(const int token) = 0;
|
||||||
};
|
};
|
||||||
|
|
||||||
template<typename Event>
|
template <typename Event>
|
||||||
struct VectorImpl : public VectorInterface
|
struct VectorImpl : public VectorInterface
|
||||||
{
|
{
|
||||||
using CallbackType = std::function<void(const Event&)>;
|
using CallbackType = std::function<void(const Event&)>;
|
||||||
@ -139,19 +160,18 @@ private:
|
|||||||
|
|
||||||
virtual void remove(const int token) override
|
virtual void remove(const int token) override
|
||||||
{
|
{
|
||||||
if (inTransaction > 0)
|
if(inTransaction > 0)
|
||||||
{
|
{
|
||||||
toRemove.push_back(token);
|
toRemove.push_back(token);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
//Invalidation rules: https://stackoverflow.com/questions/6438086/iterator-invalidation-rules
|
//Invalidation rules: https://stackoverflow.com/questions/6438086/iterator-invalidation-rules
|
||||||
auto removeFrom = std::remove_if(container.begin(), container.end()
|
auto removeFrom = std::remove_if(
|
||||||
, [token](const ContainerElement& element)
|
container.begin(), container.end(), [token](const ContainerElement& element) {
|
||||||
{
|
return element.first == token;
|
||||||
return element.first == token;
|
});
|
||||||
});
|
if(removeFrom != container.end())
|
||||||
if (removeFrom != container.end())
|
|
||||||
{
|
{
|
||||||
container.erase(removeFrom, container.end());
|
container.erase(removeFrom, container.end());
|
||||||
}
|
}
|
||||||
@ -159,7 +179,7 @@ private:
|
|||||||
|
|
||||||
void add(const int token, const CallbackType& callback)
|
void add(const int token, const CallbackType& callback)
|
||||||
{
|
{
|
||||||
if (inTransaction > 0)
|
if(inTransaction > 0)
|
||||||
{
|
{
|
||||||
toAdd.emplace_back(token, callback);
|
toAdd.emplace_back(token, callback);
|
||||||
}
|
}
|
||||||
@ -177,20 +197,20 @@ private:
|
|||||||
void commitTransaction()
|
void commitTransaction()
|
||||||
{
|
{
|
||||||
--inTransaction;
|
--inTransaction;
|
||||||
if (inTransaction > 0)
|
if(inTransaction > 0)
|
||||||
{
|
{
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
inTransaction = 0;
|
inTransaction = 0;
|
||||||
|
|
||||||
if (toAdd.empty() == false)
|
if(toAdd.empty() == false)
|
||||||
{
|
{
|
||||||
container.insert(container.end(), toAdd.begin(), toAdd.end());
|
container.insert(container.end(), toAdd.begin(), toAdd.end());
|
||||||
toAdd.clear();
|
toAdd.clear();
|
||||||
}
|
}
|
||||||
if (toRemove.empty() == false)
|
if(toRemove.empty() == false)
|
||||||
{
|
{
|
||||||
for (auto token : toRemove)
|
for(auto token : toRemove)
|
||||||
{
|
{
|
||||||
remove(token);
|
remove(token);
|
||||||
}
|
}
|
||||||
@ -200,14 +220,7 @@ private:
|
|||||||
};
|
};
|
||||||
|
|
||||||
int _tokener = 0;
|
int _tokener = 0;
|
||||||
std::map<std::size_t, std::unique_ptr<VectorInterface>> _callbacks;
|
std::map<type_id_t, std::unique_ptr<VectorInterface>> _callbacks;
|
||||||
|
|
||||||
template<typename T>
|
|
||||||
static std::size_t getTypeId()
|
|
||||||
{
|
|
||||||
//std::hash<std::string>{}(typeid(T).name() is slower
|
|
||||||
return typeid(T).hash_code();
|
|
||||||
}
|
|
||||||
};
|
};
|
||||||
|
|
||||||
} /* namespace Dexode */
|
} /* namespace Dexode */
|
||||||
@ -11,36 +11,6 @@
|
|||||||
namespace Dexode
|
namespace Dexode
|
||||||
{
|
{
|
||||||
|
|
||||||
class [[deprecated("This class will be removed, is breaking API")]] BusAttorney
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
BusAttorney(std::shared_ptr<EventBus> bus)
|
|
||||||
: _bus(std::move(bus))
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Notify all listeners for event
|
|
||||||
*
|
|
||||||
* @param event your event struct
|
|
||||||
*/
|
|
||||||
template<typename Event>
|
|
||||||
[[deprecated]]
|
|
||||||
void notify(const Event& event) const
|
|
||||||
{
|
|
||||||
_bus->notify(event);
|
|
||||||
}
|
|
||||||
|
|
||||||
[[deprecated]]
|
|
||||||
std::shared_ptr<EventBus> extract() const
|
|
||||||
{
|
|
||||||
return _bus;
|
|
||||||
}
|
|
||||||
|
|
||||||
private:
|
|
||||||
std::shared_ptr<EventBus> _bus;
|
|
||||||
};
|
|
||||||
|
|
||||||
class EventCollector
|
class EventCollector
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
@ -93,10 +63,6 @@ public:
|
|||||||
|
|
||||||
bool isUsing(const std::shared_ptr<EventBus>& bus) const;
|
bool isUsing(const std::shared_ptr<EventBus>& bus) const;
|
||||||
|
|
||||||
///I wan't explicitly say getBus. Ok we could add method for notify but this is more explicit
|
|
||||||
[[deprecated("This method will be removed, is breaking encapsulation")]]
|
|
||||||
BusAttorney getBus() const;
|
|
||||||
|
|
||||||
private:
|
private:
|
||||||
int _token = 0;
|
int _token = 0;
|
||||||
std::shared_ptr<EventBus> _bus;
|
std::shared_ptr<EventBus> _bus;
|
||||||
@ -49,6 +49,7 @@ EventCollector::~EventCollector()
|
|||||||
|
|
||||||
EventCollector& EventCollector::operator=(const EventCollector& other)
|
EventCollector& EventCollector::operator=(const EventCollector& other)
|
||||||
{
|
{
|
||||||
|
std::unique_ptr<int> vector3;
|
||||||
if (this == &other)
|
if (this == &other)
|
||||||
{
|
{
|
||||||
return *this;
|
return *this;
|
||||||
@ -86,11 +87,6 @@ void EventCollector::unlistenAll()
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
BusAttorney EventCollector::getBus() const
|
|
||||||
{
|
|
||||||
return BusAttorney{_bus};
|
|
||||||
}
|
|
||||||
|
|
||||||
bool EventCollector::isUsing(const std::shared_ptr<EventBus>& bus) const
|
bool EventCollector::isUsing(const std::shared_ptr<EventBus>& bus) const
|
||||||
{
|
{
|
||||||
return _bus == bus;
|
return _bus == bus;
|
||||||
@ -1,17 +1,26 @@
|
|||||||
|
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
|
||||||
|
|
||||||
# http://www.levelofindirection.com/journal/2010/12/28/unit-testing-in-c-and-objective-c-just-got-easier.html
|
# http://www.levelofindirection.com/journal/2010/12/28/unit-testing-in-c-and-objective-c-just-got-easier.html
|
||||||
# Thanks for CATCH!
|
# Thanks for CATCH!
|
||||||
|
|
||||||
ADD_SUBDIRECTORY(benchmark/)
|
find_package(Poco COMPONENTS Foundation Util)
|
||||||
|
|
||||||
|
add_subdirectory(benchmark/)
|
||||||
|
|
||||||
|
if (NOT TARGET Dexode::EventBus)
|
||||||
|
find_package(EventBus CONFIG REQUIRED)
|
||||||
|
endif ()
|
||||||
|
|
||||||
# If you want to compare with CCNotificationCenter read about it in README and uncomment line below
|
# If you want to compare with CCNotificationCenter read about it in README and uncomment line below
|
||||||
#INCLUDE(cocos2d-x-compare/Cocos2dxCompare.cmake)
|
#INCLUDE(cocos2d-x-compare/Cocos2dxCompare.cmake)
|
||||||
|
|
||||||
ADD_EXECUTABLE(EventBusPerformance
|
add_executable(EventBusPerformance
|
||||||
eventbus/EventBusPerformance.cpp
|
src/EventBusPerformance.cpp
|
||||||
${CCNOTIFICATION_CENTER_SRC}
|
${CCNOTIFICATION_CENTER_SRC}
|
||||||
|
$<$<BOOL:${Poco_FOUND}>:src/PocoNotificationCenterPerformance.cpp>
|
||||||
)
|
)
|
||||||
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBusPerformance PUBLIC
|
target_compile_options(EventBusPerformance PUBLIC
|
||||||
-Wall -pedantic
|
-Wall -pedantic
|
||||||
-Wno-unused-private-field
|
-Wno-unused-private-field
|
||||||
-Wnon-virtual-dtor
|
-Wnon-virtual-dtor
|
||||||
@ -19,27 +28,22 @@ TARGET_COMPILE_OPTIONS(EventBusPerformance PUBLIC
|
|||||||
-Werror
|
-Werror
|
||||||
)
|
)
|
||||||
|
|
||||||
SET(EVENTBUS_DEBUG_FLAGS
|
set(EVENTBUS_DEBUG_FLAGS
|
||||||
-O0 -fno-inline
|
-O0 -fno-inline
|
||||||
-DDEBUG
|
-DDEBUG
|
||||||
-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
|
|
||||||
)
|
)
|
||||||
|
|
||||||
SET(EVENTBUS_RELEASE_FLAGS
|
|
||||||
-DNDEBUG
|
|
||||||
)
|
|
||||||
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBusPerformance PUBLIC "$<$<CONFIG:DEBUG>:${EVENTBUS_DEBUG_FLAGS}>")
|
target_compile_options(EventBusPerformance PUBLIC "$<$<CONFIG:DEBUG>:${EVENTBUS_DEBUG_FLAGS}>")
|
||||||
TARGET_COMPILE_OPTIONS(EventBusPerformance PUBLIC "$<$<CONFIG:RELEASE>:${EVENTBUS_RELEASE_FLAGS}>")
|
|
||||||
|
|
||||||
SET_TARGET_PROPERTIES(EventBusPerformance PROPERTIES
|
target_include_directories(EventBusPerformance PUBLIC
|
||||||
CXX_STANDARD 14
|
src/
|
||||||
CXX_STANDARD_REQUIRED YES
|
|
||||||
)
|
|
||||||
|
|
||||||
TARGET_INCLUDE_DIRECTORIES(EventBusPerformance PUBLIC
|
|
||||||
./
|
|
||||||
${CCNOTIFICATION_CENTER_INCLUDE}
|
${CCNOTIFICATION_CENTER_INCLUDE}
|
||||||
)
|
)
|
||||||
|
|
||||||
TARGET_LINK_LIBRARIES(EventBusPerformance PUBLIC Dexode::EventBus benchmark)
|
target_link_libraries(EventBusPerformance PUBLIC
|
||||||
|
Dexode::EventBus
|
||||||
|
benchmark
|
||||||
|
$<$<BOOL:${Poco_FOUND}>:Poco::Foundation>
|
||||||
|
$<$<BOOL:${Poco_FOUND}>:Poco::Util>
|
||||||
|
)
|
||||||
@ -1,284 +0,0 @@
|
|||||||
//
|
|
||||||
// Created by Dawid Drozd aka Gelldur on 05.08.17.
|
|
||||||
//
|
|
||||||
#include <random>
|
|
||||||
|
|
||||||
#include <benchmark/benchmark.h>
|
|
||||||
#include <eventbus/EventBus.h>
|
|
||||||
|
|
||||||
namespace
|
|
||||||
{
|
|
||||||
|
|
||||||
void checkNListeners(benchmark::State& state, const int listenersCount)
|
|
||||||
{
|
|
||||||
Dexode::EventBus bus;
|
|
||||||
int sum = 0;
|
|
||||||
|
|
||||||
struct SimpleEvent
|
|
||||||
{
|
|
||||||
int value;
|
|
||||||
};
|
|
||||||
|
|
||||||
for (int i = 0; i < listenersCount; ++i)
|
|
||||||
{
|
|
||||||
bus.listen<SimpleEvent>([&](const SimpleEvent& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value * 2);
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
const auto event = SimpleEvent{2};
|
|
||||||
while (state.KeepRunning())//Performance area!
|
|
||||||
{
|
|
||||||
bus.notify(event);
|
|
||||||
}
|
|
||||||
state.counters["sum"] = sum;
|
|
||||||
}
|
|
||||||
|
|
||||||
void checkSimpleNotification(benchmark::State& state)
|
|
||||||
{
|
|
||||||
checkNListeners(state, 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
void check10Listeners(benchmark::State& state)
|
|
||||||
{
|
|
||||||
checkNListeners(state, 10);
|
|
||||||
}
|
|
||||||
|
|
||||||
void check100Listeners(benchmark::State& state)
|
|
||||||
{
|
|
||||||
checkNListeners(state, 100);
|
|
||||||
}
|
|
||||||
|
|
||||||
void check1kListeners(benchmark::State& state)
|
|
||||||
{
|
|
||||||
checkNListeners(state, 1000);
|
|
||||||
}
|
|
||||||
|
|
||||||
void call1kLambdas_compare(benchmark::State& state)
|
|
||||||
{
|
|
||||||
int sum = 0;
|
|
||||||
std::vector<std::function<void(int)>> callbacks;
|
|
||||||
callbacks.reserve(1000);
|
|
||||||
for (int i = 0; i < 1000; ++i)
|
|
||||||
{
|
|
||||||
callbacks.emplace_back([&](int value)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += value * 2);
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
while (state.KeepRunning())//Performance area!
|
|
||||||
{
|
|
||||||
for (int i = 0; i < 1000; ++i)
|
|
||||||
// for (auto& callback :callbacks)
|
|
||||||
{
|
|
||||||
callbacks[i](2);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
state.counters["sum"] = sum;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<int N>
|
|
||||||
struct SimpleEvent
|
|
||||||
{
|
|
||||||
int value = N;
|
|
||||||
};
|
|
||||||
|
|
||||||
void checkNNotificationsForNListeners(benchmark::State& state, const int notificationsCount, const int listenersCount)
|
|
||||||
{
|
|
||||||
std::mt19937 generator(311281);
|
|
||||||
std::uniform_int_distribution<int> uniformDistribution(0, notificationsCount - 1);
|
|
||||||
|
|
||||||
Dexode::EventBus bus;
|
|
||||||
int sum = 0;
|
|
||||||
for (int i = 0; i < listenersCount; ++i)//We register M listeners for N notifications using uniform distribution
|
|
||||||
{
|
|
||||||
const auto which = uniformDistribution(generator);
|
|
||||||
//We generate here N different notifications
|
|
||||||
switch (which)
|
|
||||||
{
|
|
||||||
case 0:
|
|
||||||
bus.listen<SimpleEvent<0>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 1:
|
|
||||||
bus.listen<SimpleEvent<1>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 2:
|
|
||||||
bus.listen<SimpleEvent<2>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 3:
|
|
||||||
bus.listen<SimpleEvent<3>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 4:
|
|
||||||
bus.listen<SimpleEvent<4>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 5:
|
|
||||||
bus.listen<SimpleEvent<5>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 6:
|
|
||||||
bus.listen<SimpleEvent<6>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 7:
|
|
||||||
bus.listen<SimpleEvent<7>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 8:
|
|
||||||
bus.listen<SimpleEvent<8>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
case 9:
|
|
||||||
bus.listen<SimpleEvent<9>>([&](const auto& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value *
|
|
||||||
2);//we use it to prevent some? optimizations
|
|
||||||
});
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
assert(false);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
while (state.KeepRunning())//Performance area!
|
|
||||||
{
|
|
||||||
//Pick random notification
|
|
||||||
const auto which = uniformDistribution(generator);
|
|
||||||
const auto number = uniformDistribution(generator);
|
|
||||||
//We generate here N different notifications
|
|
||||||
switch (which)
|
|
||||||
{
|
|
||||||
case 0:
|
|
||||||
bus.notify(SimpleEvent<0>{number});
|
|
||||||
break;
|
|
||||||
case 1:
|
|
||||||
bus.notify(SimpleEvent<1>{number});
|
|
||||||
break;
|
|
||||||
case 2:
|
|
||||||
bus.notify(SimpleEvent<2>{number});
|
|
||||||
break;
|
|
||||||
case 3:
|
|
||||||
bus.notify(SimpleEvent<3>{number});
|
|
||||||
break;
|
|
||||||
case 4:
|
|
||||||
bus.notify(SimpleEvent<4>{number});
|
|
||||||
break;
|
|
||||||
case 5:
|
|
||||||
bus.notify(SimpleEvent<5>{number});
|
|
||||||
break;
|
|
||||||
case 6:
|
|
||||||
bus.notify(SimpleEvent<6>{number});
|
|
||||||
break;
|
|
||||||
case 7:
|
|
||||||
bus.notify(SimpleEvent<7>{number});
|
|
||||||
break;
|
|
||||||
case 8:
|
|
||||||
bus.notify(SimpleEvent<8>{number});
|
|
||||||
break;
|
|
||||||
case 9:
|
|
||||||
bus.notify(SimpleEvent<9>{number});
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
assert(false);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
state.counters["sum"] = sum;
|
|
||||||
}
|
|
||||||
|
|
||||||
void check10NotificationsFor1kListeners(benchmark::State& state)
|
|
||||||
{
|
|
||||||
checkNNotificationsForNListeners(state, 10, 1000);
|
|
||||||
}
|
|
||||||
|
|
||||||
//Sorry not available
|
|
||||||
//void check100NotificationsFor1kListeners(benchmark::State& state)
|
|
||||||
//{
|
|
||||||
// checkNNotificationsForNListeners(state, 100, 1000);
|
|
||||||
//}
|
|
||||||
//
|
|
||||||
//void check1kNotificationsFor1kListeners(benchmark::State& state)
|
|
||||||
//{
|
|
||||||
// checkNNotificationsForNListeners(state, 1000, 1000);
|
|
||||||
//}
|
|
||||||
//
|
|
||||||
//void check100NotificationsFor10kListeners(benchmark::State& state)
|
|
||||||
//{
|
|
||||||
// checkNNotificationsForNListeners(state, 100, 10000);
|
|
||||||
//}
|
|
||||||
|
|
||||||
void checkNotifyFor10kListenersWhenNoOneListens(benchmark::State& state)
|
|
||||||
{
|
|
||||||
Dexode::EventBus bus;
|
|
||||||
int sum = 0;
|
|
||||||
struct SimpleEvent
|
|
||||||
{
|
|
||||||
int value;
|
|
||||||
};
|
|
||||||
struct UnknownEvent
|
|
||||||
{
|
|
||||||
int value;
|
|
||||||
};
|
|
||||||
for (int i = 0; i < 10000; ++i)
|
|
||||||
{
|
|
||||||
bus.listen<SimpleEvent>([&](const SimpleEvent& event)
|
|
||||||
{
|
|
||||||
benchmark::DoNotOptimize(sum += event.value * 2);
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
const auto unknownEvent = UnknownEvent{2};
|
|
||||||
while (state.KeepRunning())//Performance area!
|
|
||||||
{
|
|
||||||
bus.notify(unknownEvent);
|
|
||||||
}
|
|
||||||
state.counters["sum"] = sum;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
BENCHMARK(call1kLambdas_compare);
|
|
||||||
|
|
||||||
BENCHMARK(checkSimpleNotification);
|
|
||||||
BENCHMARK(check10Listeners);
|
|
||||||
BENCHMARK(check100Listeners);
|
|
||||||
BENCHMARK(check1kListeners);
|
|
||||||
BENCHMARK(check10NotificationsFor1kListeners);
|
|
||||||
//BENCHMARK(check100NotificationsFor1kListeners); //Not available
|
|
||||||
//BENCHMARK(check1kNotificationsFor1kListeners); //Not available
|
|
||||||
//BENCHMARK(check100NotificationsFor10kListeners); //Not available
|
|
||||||
BENCHMARK(checkNotifyFor10kListenersWhenNoOneListens);
|
|
||||||
|
|
||||||
BENCHMARK_MAIN()
|
|
||||||
269
performance/src/EventBusPerformance.cpp
Normal file
269
performance/src/EventBusPerformance.cpp
Normal file
@ -0,0 +1,269 @@
|
|||||||
|
//
|
||||||
|
// Created by Dawid Drozd aka Gelldur on 05.08.17.
|
||||||
|
//
|
||||||
|
#include <random>
|
||||||
|
|
||||||
|
#include <benchmark/benchmark.h>
|
||||||
|
#include <eventbus/EventBus.h>
|
||||||
|
|
||||||
|
namespace
|
||||||
|
{
|
||||||
|
|
||||||
|
void checkNListeners(benchmark::State& state, const int listenersCount)
|
||||||
|
{
|
||||||
|
Dexode::EventBus bus;
|
||||||
|
int sum = 0;
|
||||||
|
|
||||||
|
struct SimpleEvent
|
||||||
|
{
|
||||||
|
int value;
|
||||||
|
};
|
||||||
|
|
||||||
|
for(int i = 0; i < listenersCount; ++i)
|
||||||
|
{
|
||||||
|
bus.listen<SimpleEvent>(
|
||||||
|
[&](const SimpleEvent& event) { benchmark::DoNotOptimize(sum += event.value * 2); });
|
||||||
|
}
|
||||||
|
|
||||||
|
while(state.KeepRunning()) // Performance area!
|
||||||
|
{
|
||||||
|
const auto event = SimpleEvent{2};
|
||||||
|
bus.notify(event);
|
||||||
|
}
|
||||||
|
state.counters["sum"] = sum;
|
||||||
|
}
|
||||||
|
|
||||||
|
void checkSimpleNotification(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void check10Listeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 10);
|
||||||
|
}
|
||||||
|
|
||||||
|
void check100Listeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 100);
|
||||||
|
}
|
||||||
|
|
||||||
|
void check1kListeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 1000);
|
||||||
|
}
|
||||||
|
|
||||||
|
void call1kLambdas_compare(benchmark::State& state)
|
||||||
|
{
|
||||||
|
int sum = 0;
|
||||||
|
std::vector<std::function<void(int)>> callbacks;
|
||||||
|
callbacks.reserve(1000);
|
||||||
|
for(int i = 0; i < 1000; ++i)
|
||||||
|
{
|
||||||
|
callbacks.emplace_back([&](int value) { benchmark::DoNotOptimize(sum += value * 2); });
|
||||||
|
}
|
||||||
|
|
||||||
|
while(state.KeepRunning()) // Performance area!
|
||||||
|
{
|
||||||
|
for(int i = 0; i < 1000; ++i)
|
||||||
|
// for (auto& callback :callbacks)
|
||||||
|
{
|
||||||
|
callbacks[i](2);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
state.counters["sum"] = sum;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <int N>
|
||||||
|
struct SimpleEvent
|
||||||
|
{
|
||||||
|
int value = N;
|
||||||
|
};
|
||||||
|
|
||||||
|
void checkNNotificationsForNListeners(benchmark::State& state,
|
||||||
|
const int notificationsCount,
|
||||||
|
const int listenersCount)
|
||||||
|
{
|
||||||
|
std::mt19937 generator(311281);
|
||||||
|
std::uniform_int_distribution<int> uniformDistribution(0, notificationsCount - 1);
|
||||||
|
|
||||||
|
Dexode::EventBus bus;
|
||||||
|
int sum = 0;
|
||||||
|
for(int i = 0; i < listenersCount;
|
||||||
|
++i) // We register M listeners for N notifications using uniform distribution
|
||||||
|
{
|
||||||
|
const auto which = uniformDistribution(generator);
|
||||||
|
// We generate here N different notifications
|
||||||
|
switch(which)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
bus.listen<SimpleEvent<0>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
bus.listen<SimpleEvent<1>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
bus.listen<SimpleEvent<2>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
bus.listen<SimpleEvent<3>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 4:
|
||||||
|
bus.listen<SimpleEvent<4>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 5:
|
||||||
|
bus.listen<SimpleEvent<5>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
bus.listen<SimpleEvent<6>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
bus.listen<SimpleEvent<7>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 8:
|
||||||
|
bus.listen<SimpleEvent<8>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
case 9:
|
||||||
|
bus.listen<SimpleEvent<9>>([&](const auto& event) {
|
||||||
|
benchmark::DoNotOptimize(sum += event.value *
|
||||||
|
2); // we use it to prevent some? optimizations
|
||||||
|
});
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
assert(false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
while(state.KeepRunning()) // Performance area!
|
||||||
|
{
|
||||||
|
// Pick random notification
|
||||||
|
const auto which = uniformDistribution(generator);
|
||||||
|
const auto number = uniformDistribution(generator);
|
||||||
|
// We generate here N different notifications
|
||||||
|
switch(which)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
bus.notify(SimpleEvent<0>{number});
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
bus.notify(SimpleEvent<1>{number});
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
bus.notify(SimpleEvent<2>{number});
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
bus.notify(SimpleEvent<3>{number});
|
||||||
|
break;
|
||||||
|
case 4:
|
||||||
|
bus.notify(SimpleEvent<4>{number});
|
||||||
|
break;
|
||||||
|
case 5:
|
||||||
|
bus.notify(SimpleEvent<5>{number});
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
bus.notify(SimpleEvent<6>{number});
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
bus.notify(SimpleEvent<7>{number});
|
||||||
|
break;
|
||||||
|
case 8:
|
||||||
|
bus.notify(SimpleEvent<8>{number});
|
||||||
|
break;
|
||||||
|
case 9:
|
||||||
|
bus.notify(SimpleEvent<9>{number});
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
assert(false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
state.counters["sum"] = sum;
|
||||||
|
}
|
||||||
|
|
||||||
|
void check10NotificationsFor1kListeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNNotificationsForNListeners(state, 10, 1000);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Sorry not available
|
||||||
|
// void check100NotificationsFor1kListeners(benchmark::State& state)
|
||||||
|
//{
|
||||||
|
// checkNNotificationsForNListeners(state, 100, 1000);
|
||||||
|
//}
|
||||||
|
//
|
||||||
|
// void check1kNotificationsFor1kListeners(benchmark::State& state)
|
||||||
|
//{
|
||||||
|
// checkNNotificationsForNListeners(state, 1000, 1000);
|
||||||
|
//}
|
||||||
|
//
|
||||||
|
// void check100NotificationsFor10kListeners(benchmark::State& state)
|
||||||
|
//{
|
||||||
|
// checkNNotificationsForNListeners(state, 100, 10000);
|
||||||
|
//}
|
||||||
|
|
||||||
|
void checkNotifyFor10kListenersWhenNoOneListens(benchmark::State& state)
|
||||||
|
{
|
||||||
|
Dexode::EventBus bus;
|
||||||
|
int sum = 0;
|
||||||
|
struct SimpleEvent
|
||||||
|
{
|
||||||
|
int value;
|
||||||
|
};
|
||||||
|
struct UnknownEvent
|
||||||
|
{
|
||||||
|
int value;
|
||||||
|
};
|
||||||
|
for(int i = 0; i < 10000; ++i)
|
||||||
|
{
|
||||||
|
bus.listen<SimpleEvent>(
|
||||||
|
[&](const SimpleEvent& event) { benchmark::DoNotOptimize(sum += event.value * 2); });
|
||||||
|
}
|
||||||
|
|
||||||
|
const auto unknownEvent = UnknownEvent{2};
|
||||||
|
while(state.KeepRunning()) // Performance area!
|
||||||
|
{
|
||||||
|
bus.notify(unknownEvent);
|
||||||
|
}
|
||||||
|
state.counters["sum"] = sum;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
BENCHMARK(call1kLambdas_compare);
|
||||||
|
|
||||||
|
BENCHMARK(checkSimpleNotification);
|
||||||
|
BENCHMARK(check10Listeners);
|
||||||
|
BENCHMARK(check100Listeners);
|
||||||
|
BENCHMARK(check1kListeners);
|
||||||
|
BENCHMARK(check10NotificationsFor1kListeners);
|
||||||
|
// BENCHMARK(check100NotificationsFor1kListeners); //Not available
|
||||||
|
// BENCHMARK(check1kNotificationsFor1kListeners); //Not available
|
||||||
|
// BENCHMARK(check100NotificationsFor10kListeners); //Not available
|
||||||
|
BENCHMARK(checkNotifyFor10kListenersWhenNoOneListens);
|
||||||
|
|
||||||
|
BENCHMARK_MAIN()
|
||||||
101
performance/src/PocoNotificationCenterPerformance.cpp
Normal file
101
performance/src/PocoNotificationCenterPerformance.cpp
Normal file
@ -0,0 +1,101 @@
|
|||||||
|
//
|
||||||
|
// Created by Dawid Drozd aka Gelldur on 24.07.18.
|
||||||
|
//
|
||||||
|
#include <functional>
|
||||||
|
#include <random>
|
||||||
|
|
||||||
|
#include <benchmark/benchmark.h>
|
||||||
|
|
||||||
|
#include <Poco/NObserver.h>
|
||||||
|
#include <Poco/Notification.h>
|
||||||
|
#include <Poco/NotificationCenter.h>
|
||||||
|
|
||||||
|
namespace
|
||||||
|
{
|
||||||
|
|
||||||
|
template <class T>
|
||||||
|
struct Wrapper : public Poco::Notification
|
||||||
|
{
|
||||||
|
T data;
|
||||||
|
|
||||||
|
Wrapper(T data)
|
||||||
|
: data(std::move(data))
|
||||||
|
{
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
template <class Egg>
|
||||||
|
class Target
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
Target(std::function<void(const Egg&)> callback)
|
||||||
|
: _callback(std::move(callback))
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
void handle(const Poco::AutoPtr<Wrapper<Egg>>& event)
|
||||||
|
{
|
||||||
|
_callback((*event.get()).data);
|
||||||
|
}
|
||||||
|
|
||||||
|
private:
|
||||||
|
std::function<void(const Egg&)> _callback;
|
||||||
|
};
|
||||||
|
|
||||||
|
void checkNListeners(benchmark::State& state, const int listenersCount)
|
||||||
|
{
|
||||||
|
Poco::NotificationCenter bus;
|
||||||
|
int sum = 0;
|
||||||
|
|
||||||
|
struct SimpleEvent
|
||||||
|
{
|
||||||
|
int value;
|
||||||
|
};
|
||||||
|
|
||||||
|
using MyEvent = Wrapper<SimpleEvent>;
|
||||||
|
using Listener = Target<SimpleEvent>;
|
||||||
|
|
||||||
|
std::vector<Listener> targets;
|
||||||
|
targets.reserve(listenersCount + 1);
|
||||||
|
|
||||||
|
for(int i = 0; i < listenersCount; ++i)
|
||||||
|
{
|
||||||
|
targets.emplace_back(
|
||||||
|
[&](const SimpleEvent& event) { benchmark::DoNotOptimize(sum += event.value * 2); });
|
||||||
|
|
||||||
|
bus.addObserver(Poco::NObserver<Listener, MyEvent>(targets.back(), &Listener::handle));
|
||||||
|
}
|
||||||
|
|
||||||
|
while(state.KeepRunning()) // Performance area!
|
||||||
|
{
|
||||||
|
const Poco::AutoPtr<MyEvent> event = new Wrapper<SimpleEvent>{SimpleEvent{2}};
|
||||||
|
bus.postNotification(event);
|
||||||
|
}
|
||||||
|
state.counters["sum"] = sum;
|
||||||
|
}
|
||||||
|
|
||||||
|
void Poco_checkSimpleNotification(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void Poco_check10Listeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 10);
|
||||||
|
}
|
||||||
|
|
||||||
|
void Poco_check100Listeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 100);
|
||||||
|
}
|
||||||
|
|
||||||
|
void Poco_check1kListeners(benchmark::State& state)
|
||||||
|
{
|
||||||
|
checkNListeners(state, 1000);
|
||||||
|
}
|
||||||
|
|
||||||
|
BENCHMARK(Poco_checkSimpleNotification);
|
||||||
|
BENCHMARK(Poco_check10Listeners);
|
||||||
|
BENCHMARK(Poco_check100Listeners);
|
||||||
|
BENCHMARK(Poco_check1kListeners);
|
||||||
|
}
|
||||||
@ -1,23 +1,13 @@
|
|||||||
CMAKE_MINIMUM_REQUIRED(VERSION 3.2 FATAL_ERROR)
|
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
|
||||||
|
|
||||||
PROJECT(Sample LANGUAGES CXX)
|
project(Sample LANGUAGES CXX)
|
||||||
|
|
||||||
ADD_EXECUTABLE(Sample
|
add_executable(Sample
|
||||||
src/main.cpp
|
src/main.cpp
|
||||||
)
|
)
|
||||||
|
|
||||||
TARGET_COMPILE_OPTIONS(Sample PUBLIC
|
if(NOT TARGET Dexode::EventBus)
|
||||||
-Wall -pedantic
|
find_package(EventBus CONFIG REQUIRED)
|
||||||
-Wno-unused-private-field
|
endif()
|
||||||
-Wnon-virtual-dtor
|
|
||||||
-Wno-gnu
|
|
||||||
-Werror
|
|
||||||
)
|
|
||||||
|
|
||||||
SET_TARGET_PROPERTIES(Sample PROPERTIES
|
target_link_libraries(Sample PRIVATE Dexode::EventBus)
|
||||||
CXX_STANDARD 14
|
|
||||||
)
|
|
||||||
|
|
||||||
ADD_SUBDIRECTORY(../ EventBus/)
|
|
||||||
|
|
||||||
TARGET_LINK_LIBRARIES(Sample PRIVATE Dexode::EventBus)
|
|
||||||
|
|||||||
@ -2,45 +2,48 @@
|
|||||||
* @brief Sample code to play with!
|
* @brief Sample code to play with!
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <memory>
|
|
||||||
#include <iostream>
|
|
||||||
#include <string>
|
|
||||||
#include <cassert>
|
#include <cassert>
|
||||||
|
#include <iostream>
|
||||||
|
#include <memory>
|
||||||
|
#include <string>
|
||||||
|
|
||||||
#include <eventbus/EventBus.h>
|
#include <eventbus/EventBus.h>
|
||||||
#include <eventbus/EventCollector.h>
|
#include <eventbus/EventCollector.h>
|
||||||
|
|
||||||
namespace Event //Example namespace for events
|
namespace Event // Example namespace for events
|
||||||
{
|
{
|
||||||
|
struct Gold // Event that will be proceed when our gold changes
|
||||||
struct Gold { int value = 0; }; //Event that will be proceed when our gold changes
|
{
|
||||||
|
int value = 0;
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
enum class Monster
|
enum class Monster
|
||||||
{
|
{
|
||||||
Frog, Tux, Shark
|
Frog,
|
||||||
|
Tux,
|
||||||
|
Shark
|
||||||
};
|
};
|
||||||
|
|
||||||
class CharacterController // some kind of character controller
|
class Character
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
CharacterController(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
Character(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
||||||
: _bus{eventBus}
|
: _bus{eventBus}
|
||||||
{
|
{
|
||||||
}
|
}
|
||||||
|
|
||||||
void kill(Monster monsterType)
|
void kill(Monster monsterType)
|
||||||
{
|
{
|
||||||
if (Monster::Frog == monsterType)
|
if(Monster::Frog == monsterType)
|
||||||
{
|
{
|
||||||
_gold += 1;
|
_gold += 1;
|
||||||
}
|
}
|
||||||
else if (Monster::Tux == monsterType)
|
else if(Monster::Tux == monsterType)
|
||||||
{
|
{
|
||||||
_gold += 100;
|
_gold += 100;
|
||||||
}
|
}
|
||||||
else if (Monster::Shark == monsterType)
|
else if(Monster::Shark == monsterType)
|
||||||
{
|
{
|
||||||
_gold += 25;
|
_gold += 25;
|
||||||
}
|
}
|
||||||
@ -48,7 +51,7 @@ public:
|
|||||||
}
|
}
|
||||||
|
|
||||||
private:
|
private:
|
||||||
int _gold = 0;//Controller stores how much gold we have
|
int _gold = 0;
|
||||||
std::shared_ptr<Dexode::EventBus> _bus;
|
std::shared_ptr<Dexode::EventBus> _bus;
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -56,21 +59,20 @@ class UIWallet
|
|||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
UIWallet(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
UIWallet(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
||||||
: _listener{eventBus}
|
: _listener{eventBus}
|
||||||
{
|
{
|
||||||
}
|
}
|
||||||
|
|
||||||
void onDraw()//Example "draw" of UI
|
void onDraw() // Example "draw" of UI
|
||||||
{
|
{
|
||||||
std::cout << "Gold:" << _gold << std::endl;
|
std::cout << "Gold:" << _gold << std::endl;
|
||||||
}
|
}
|
||||||
|
|
||||||
void onEnter()// We could also do such things in ctor and dtor but a lot of UI has something like this
|
void onEnter() // We could also do such things in ctor and dtor but a lot of UI has something
|
||||||
|
// like this
|
||||||
{
|
{
|
||||||
_listener.listen<Event::Gold>([this](const auto& event)
|
_listener.listen<Event::Gold>(
|
||||||
{
|
[this](const auto& event) { _gold = std::to_string(event.value); });
|
||||||
_gold = std::to_string(event.value);
|
|
||||||
});
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void onExit()
|
void onExit()
|
||||||
@ -83,23 +85,17 @@ private:
|
|||||||
Dexode::EventCollector _listener;
|
Dexode::EventCollector _listener;
|
||||||
};
|
};
|
||||||
|
|
||||||
class ShopButton // Shop button is only enabled when we have some gold (odd decision but for sample good :P)
|
class ShopButton // Shop button is only enabled when we have some gold (odd decision but for sample
|
||||||
|
// good :P)
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
ShopButton(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
ShopButton(const std::shared_ptr<Dexode::EventBus>& eventBus)
|
||||||
: _listener{eventBus}
|
: _listener{eventBus}
|
||||||
{
|
{
|
||||||
}
|
// We can use lambda or bind your choice
|
||||||
|
_listener.listen<Event::Gold>(
|
||||||
void onEnter()
|
std::bind(&ShopButton::onGoldUpdated, this, std::placeholders::_1));
|
||||||
{
|
// Also we use RAII idiom to handle unlisten
|
||||||
//We can use lambda or bind your choice
|
|
||||||
_listener.listen<Event::Gold>(std::bind(&ShopButton::onGoldUpdated, this, std::placeholders::_1));
|
|
||||||
}
|
|
||||||
|
|
||||||
void onExit()
|
|
||||||
{
|
|
||||||
_listener.unlistenAll();//unlistenAll is also called when listener is destroyed
|
|
||||||
}
|
}
|
||||||
|
|
||||||
bool isEnabled() const
|
bool isEnabled() const
|
||||||
@ -114,32 +110,36 @@ private:
|
|||||||
void onGoldUpdated(const Event::Gold& event)
|
void onGoldUpdated(const Event::Gold& event)
|
||||||
{
|
{
|
||||||
_isEnabled = event.value > 0;
|
_isEnabled = event.value > 0;
|
||||||
std::cout << "Shop button is:" << _isEnabled << std::endl;//some kind of logs
|
std::cout << "Shop button is:" << _isEnabled << std::endl; // some kind of logs
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
int main(int argc, char* argv[])
|
int main(int argc, char* argv[])
|
||||||
{
|
{
|
||||||
std::shared_ptr<Dexode::EventBus> eventBus = std::shared_ptr<Dexode::EventBus>(new Dexode::EventBus{});
|
std::shared_ptr<Dexode::EventBus> eventBus = std::make_shared<Dexode::EventBus>();
|
||||||
|
|
||||||
CharacterController characterController{eventBus};
|
Character characterController{eventBus};
|
||||||
|
|
||||||
UIWallet wallet{eventBus};//UIWallet doesn't know anything about character or even who store gold
|
UIWallet wallet{eventBus}; // UIWallet doesn't know anything about character
|
||||||
ShopButton shopButton{eventBus};//ShopButton doesn't know anything about character
|
// or even who store gold
|
||||||
|
ShopButton shopButton{eventBus}; // ShopButton doesn't know anything about character
|
||||||
{
|
{
|
||||||
wallet.onEnter();
|
wallet.onEnter();
|
||||||
shopButton.onEnter();
|
|
||||||
}
|
}
|
||||||
|
|
||||||
characterController.kill(Monster::Tux);
|
wallet.onDraw();
|
||||||
|
{
|
||||||
|
characterController.kill(Monster::Tux);
|
||||||
|
}
|
||||||
wallet.onDraw();
|
wallet.onDraw();
|
||||||
|
|
||||||
//It is easy to test UI eg.
|
// It is easy to test UI eg.
|
||||||
eventBus->notify(Event::Gold{1});
|
eventBus->notify(Event::Gold{1});
|
||||||
assert(shopButton.isEnabled() == true);
|
assert(shopButton.isEnabled() == true);
|
||||||
eventBus->notify(Event::Gold{0});
|
eventBus->notify(Event::Gold{0});
|
||||||
assert(shopButton.isEnabled() == false);
|
assert(shopButton.isEnabled() == false);
|
||||||
|
|
||||||
|
wallet.onExit();
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1,203 +0,0 @@
|
|||||||
#pragma once
|
|
||||||
|
|
||||||
#include <algorithm>
|
|
||||||
#include <cassert>
|
|
||||||
#include <functional>
|
|
||||||
#include <map>
|
|
||||||
#include <memory>
|
|
||||||
#include <string>
|
|
||||||
#include <typeinfo>
|
|
||||||
#include <list>
|
|
||||||
|
|
||||||
#if __cplusplus < 201103L
|
|
||||||
#error This library needs at least a C++11 compliant compiler
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// This version isn't transaction safe as normal EventBus
|
|
||||||
|
|
||||||
namespace Dexode
|
|
||||||
{
|
|
||||||
|
|
||||||
class EventBus
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
EventBus() = default;
|
|
||||||
|
|
||||||
~EventBus()
|
|
||||||
{
|
|
||||||
_callbacks.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
EventBus(const EventBus&) = delete;
|
|
||||||
EventBus(EventBus&&) = delete;
|
|
||||||
|
|
||||||
EventBus& operator=(EventBus&&) = delete;
|
|
||||||
EventBus& operator=(const EventBus&) = delete;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Register listener for event. Returns token used for unlisten.
|
|
||||||
*
|
|
||||||
* @tparam Event - type you want to listen for
|
|
||||||
* @param callback - your callback to handle event
|
|
||||||
* @return token used for unlisten
|
|
||||||
*/
|
|
||||||
template<typename Event>
|
|
||||||
int listen(const std::function<void(const Event&)>& callback)
|
|
||||||
{
|
|
||||||
const int token = ++_tokener;
|
|
||||||
listen<Event>(token, callback);
|
|
||||||
return token;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @tparam Event - type you want to listen for
|
|
||||||
* @param token - unique token for identification receiver. Simply pass token from @see EventBus::listen
|
|
||||||
* @param callback - your callback to handle event
|
|
||||||
*/
|
|
||||||
template<typename Event>
|
|
||||||
void listen(const int token, const std::function<void(const Event&)>& callback)
|
|
||||||
{
|
|
||||||
using Vector = VectorImpl<Event>;
|
|
||||||
|
|
||||||
assert(callback && "callback should be valid");//Check for valid object
|
|
||||||
|
|
||||||
std::unique_ptr<VectorInterface>& vector = _callbacks[getTypeId<Event>()];
|
|
||||||
if (vector == nullptr)
|
|
||||||
{
|
|
||||||
vector.reset(new Vector{});
|
|
||||||
}
|
|
||||||
|
|
||||||
assert(dynamic_cast<Vector*>(vector.get()));
|
|
||||||
Vector* vectorImpl = static_cast<Vector*>(vector.get());
|
|
||||||
vectorImpl->container.emplace_back(std::make_pair(callback, token));
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @param token - token from EventBus::listen
|
|
||||||
*/
|
|
||||||
void unlistenAll(const int token)
|
|
||||||
{
|
|
||||||
for (auto& element : _callbacks)
|
|
||||||
{
|
|
||||||
element.second->remove(token);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @tparam Event - type you want to unlisten. @see Notiier::listen
|
|
||||||
* @param token - token from EventBus::listen
|
|
||||||
*/
|
|
||||||
template<typename Event>
|
|
||||||
void unlisten(const int token)
|
|
||||||
{
|
|
||||||
auto found = _callbacks.find(getTypeId<Event>());
|
|
||||||
if (found != _callbacks.end())
|
|
||||||
{
|
|
||||||
found->second->remove(token);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Notify all listeners for event
|
|
||||||
*
|
|
||||||
* @param event your event struct
|
|
||||||
*/
|
|
||||||
template<typename Event>
|
|
||||||
void notify(const Event& event)
|
|
||||||
{
|
|
||||||
using Vector = VectorImpl<Event>;
|
|
||||||
// constexpr auto typeId = getTypeId<Event>();
|
|
||||||
const auto typeId = getTypeId<Event>();
|
|
||||||
auto found = _callbacks.find(typeId);
|
|
||||||
if (found == _callbacks.end())
|
|
||||||
{
|
|
||||||
return;// no such notifications
|
|
||||||
}
|
|
||||||
|
|
||||||
std::unique_ptr<VectorInterface>& vector = found->second;
|
|
||||||
assert(dynamic_cast<Vector*>(vector.get()));
|
|
||||||
Vector* vectorImpl = static_cast<Vector*>(vector.get());
|
|
||||||
|
|
||||||
if (vectorImpl->container.empty())
|
|
||||||
{
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
auto it = vectorImpl->container.begin();
|
|
||||||
while (it != vectorImpl->container.end())
|
|
||||||
{
|
|
||||||
vectorImpl->currentIterator = std::next(it);
|
|
||||||
it->first(event);//Order may change eg. some unlisten during call
|
|
||||||
it = vectorImpl->currentIterator;
|
|
||||||
}
|
|
||||||
vectorImpl->currentIterator = vectorImpl->container.end();
|
|
||||||
}
|
|
||||||
|
|
||||||
private:
|
|
||||||
struct VectorInterface
|
|
||||||
{
|
|
||||||
virtual ~VectorInterface() = default;
|
|
||||||
|
|
||||||
virtual void remove(const int token) = 0;
|
|
||||||
virtual void removeAll() = 0;
|
|
||||||
};
|
|
||||||
|
|
||||||
template<typename Event>
|
|
||||||
struct VectorImpl : public VectorInterface
|
|
||||||
{
|
|
||||||
using CallbackType = std::function<void(const Event&)>;
|
|
||||||
using ContainerType = std::list<std::pair<CallbackType, int>>;
|
|
||||||
ContainerType container;
|
|
||||||
typename ContainerType::iterator currentIterator = container.end();
|
|
||||||
|
|
||||||
//Invalidation rules: https://stackoverflow.com/questions/6438086/iterator-invalidation-rules
|
|
||||||
virtual void removeAll() override
|
|
||||||
{
|
|
||||||
container.clear();
|
|
||||||
currentIterator = container.end();
|
|
||||||
}
|
|
||||||
|
|
||||||
virtual void remove(const int token) override
|
|
||||||
{
|
|
||||||
auto removeIfPredicate = [token](const std::pair<CallbackType, int>& element)
|
|
||||||
{
|
|
||||||
return element.second == token;
|
|
||||||
};
|
|
||||||
//It is safe to remove
|
|
||||||
if (currentIterator == container.end())
|
|
||||||
{
|
|
||||||
container.remove_if(removeIfPredicate);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
//During iteration
|
|
||||||
ContainerType unvisited;
|
|
||||||
unvisited.splice(unvisited.begin(), container, currentIterator, container.end());
|
|
||||||
|
|
||||||
container.remove_if(removeIfPredicate);//could invalidate currentIterator
|
|
||||||
unvisited.remove_if(removeIfPredicate);
|
|
||||||
|
|
||||||
const auto distance = unvisited.size();
|
|
||||||
container.splice(container.end(), unvisited);
|
|
||||||
|
|
||||||
if (container.empty())
|
|
||||||
{
|
|
||||||
currentIterator = container.end();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
currentIterator = std::prev(container.end(), distance);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
int _tokener = 0;
|
|
||||||
std::map<std::size_t, std::unique_ptr<VectorInterface>> _callbacks;
|
|
||||||
|
|
||||||
template<typename T>
|
|
||||||
static const std::size_t getTypeId()
|
|
||||||
{
|
|
||||||
//std::hash<std::string>{}(typeid(T).name() is slower
|
|
||||||
return typeid(T).hash_code();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
} /* namespace Dexode */
|
|
||||||
@ -1,42 +1,53 @@
|
|||||||
|
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
|
||||||
|
|
||||||
# http://www.levelofindirection.com/journal/2010/12/28/unit-testing-in-c-and-objective-c-just-got-easier.html
|
# http://www.levelofindirection.com/journal/2010/12/28/unit-testing-in-c-and-objective-c-just-got-easier.html
|
||||||
# Thanks for CATCH!
|
# Thanks for CATCH!
|
||||||
|
|
||||||
ADD_EXECUTABLE(EventBusTest
|
project(EventBusTest)
|
||||||
eventbus/EventCollectorTest.cpp
|
|
||||||
eventbus/NotifierTest.cpp
|
# Dependencies
|
||||||
|
enable_testing()
|
||||||
|
if (NOT TARGET Dexode::EventBus)
|
||||||
|
find_package(EventBus CONFIG REQUIRED)
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
# From 2.3.X they broke back compatibility
|
||||||
|
find_package(Catch2 2.2 REQUIRED)
|
||||||
|
|
||||||
|
# Target definition
|
||||||
|
add_executable(EventBusTest
|
||||||
|
src/EventCollectorTest.cpp
|
||||||
|
src/NotifierTest.cpp
|
||||||
)
|
)
|
||||||
|
|
||||||
SET_TARGET_PROPERTIES(EventBusTest PROPERTIES
|
target_compile_options(EventBusTest PUBLIC
|
||||||
CXX_STANDARD 14
|
|
||||||
CXX_STANDARD_REQUIRED YES
|
|
||||||
)
|
|
||||||
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBusTest PUBLIC
|
|
||||||
-Wall -pedantic
|
-Wall -pedantic
|
||||||
|
-Wno-unused-private-field
|
||||||
-Wnon-virtual-dtor
|
-Wnon-virtual-dtor
|
||||||
|
-Wno-gnu
|
||||||
-Werror
|
-Werror
|
||||||
-Wno-error=deprecated-declarations
|
|
||||||
)
|
)
|
||||||
IF(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBusTest PRIVATE
|
|
||||||
-Wno-error=unknown-argument
|
|
||||||
)
|
|
||||||
ENDIF()
|
|
||||||
|
|
||||||
SET(EVENTBUS_DEBUG_FLAGS
|
# Don't do such thing:
|
||||||
|
# if(CMAKE_BUILD_TYPE STREQUAL DEBUG)
|
||||||
|
# ....
|
||||||
|
# else()
|
||||||
|
# ...
|
||||||
|
# endif()
|
||||||
|
#
|
||||||
|
# Instead do this way: (It will work for Visual Studio)
|
||||||
|
# target_compile_definitions(foo PRIVATE "VERBOSITY=$<IF:$<BOOL:${VERBOSE}>,30,10>")
|
||||||
|
|
||||||
|
|
||||||
|
set(EVENTBUS_DEBUG_FLAGS
|
||||||
-O0 -fno-inline
|
-O0 -fno-inline
|
||||||
-DDEBUG
|
-DDEBUG
|
||||||
-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
|
#-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
|
||||||
)
|
)
|
||||||
|
|
||||||
SET(EVENTBUS_RELEASE_FLAGS
|
target_compile_options(EventBusTest PUBLIC "$<$<CONFIG:DEBUG>:${EVENTBUS_DEBUG_FLAGS}>")
|
||||||
-DNDEBUG
|
|
||||||
)
|
|
||||||
|
|
||||||
TARGET_COMPILE_OPTIONS(EventBusTest PUBLIC "$<$<CONFIG:DEBUG>:${EVENTBUS_DEBUG_FLAGS}>")
|
target_link_libraries(EventBusTest PUBLIC Dexode::EventBus Catch2::Catch)
|
||||||
TARGET_COMPILE_OPTIONS(EventBusTest PUBLIC "$<$<CONFIG:RELEASE>:${EVENTBUS_RELEASE_FLAGS}>")
|
|
||||||
|
|
||||||
|
|
||||||
TARGET_INCLUDE_DIRECTORIES(EventBusTest PUBLIC Catch/single_include/)
|
add_test(NAME EventBus.UnitTests COMMAND EventBusTest)
|
||||||
TARGET_LINK_LIBRARIES(EventBusTest PUBLIC Dexode::EventBus)
|
|
||||||
|
|
||||||
|
|||||||
@ -1 +0,0 @@
|
|||||||
Subproject commit ee67ac6b7c3595251342671485c65cf81d725896
|
|
||||||
Loading…
x
Reference in New Issue
Block a user