refactored and fixed crash bug, some memleaks
This commit is contained in:
parent
30cdbff8a6
commit
53cc45e7e1
285
AMBuildScript
285
AMBuildScript
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@ -26,8 +26,9 @@ class AsyncSocketConfig(object):
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def __init__(self):
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self.sdks = {}
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self.binaries = []
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self.sm_root = None
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self.extensions = []
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self.generated_headers = None
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self.sm_root = None
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@property
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def tag(self):
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@ -39,160 +40,179 @@ class AsyncSocketConfig(object):
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if builder.options.sm_path:
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self.sm_root = builder.options.sm_path
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else:
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self.sm_root = ResolveEnvPath('SOURCEMOD17', 'sourcemod-1.7')
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self.sm_root = ResolveEnvPath('SOURCEMOD18', 'sourcemod-1.8')
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if not self.sm_root:
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self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod')
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if not self.sm_root:
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self.sm_root = ResolveEnvPath('SMCENTRAL', 'sourcemod-central')
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self.sm_root = ResolveEnvPath('SOURCEMOD_DEV', 'sourcemod-central')
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if not self.sm_root or not os.path.isdir(self.sm_root):
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raise Exception('Could not find a source copy of Sourcemod')
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raise Exception('Could not find a source copy of SourceMod')
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self.sm_root = Normalize(self.sm_root)
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def configure(self):
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builder.AddConfigureFile('pushbuild.txt')
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cxx = builder.DetectCompilers()
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if cxx.like('gcc'):
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cxx.defines += [
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'stricmp=strcasecmp',
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'_stricmp=strcasecmp',
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'_snprintf=snprintf',
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'_vsnprintf=vsnprintf',
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'HAVE_STDINT_H',
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'GNUC',
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]
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cxx.cflags += [
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'-pipe',
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'-fno-strict-aliasing',
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'-Wall',
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'-Werror',
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'-Wno-unused',
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'-Wno-switch',
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'-msse',
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'-m32',
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]
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cxx.cxxflags += [
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'-std=c++11',
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]
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have_gcc = cxx.vendor == 'gcc'
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have_clang = cxx.vendor == 'clang'
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if have_clang or (have_gcc and cxx.version >= '4'):
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cxx.cflags += ['-fvisibility=hidden']
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cxx.cxxflags += ['-fvisibility-inlines-hidden']
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if have_clang or (have_gcc and cxx.version >= '4.6'):
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cxx.cflags += ['-Wno-narrowing']
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if (have_gcc and cxx.version >= '4.7') or (have_clang and cxx.version >= '3'):
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cxx.cxxflags += ['-Wno-delete-non-virtual-dtor']
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if have_gcc and cxx.version >= '4.8':
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cxx.cflags += ['-Wno-unused-result']
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if have_clang:
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cxx.cxxflags += ['-Wno-implicit-exception-spec-mismatch']
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if (builder.target_platform == 'mac' and cxx.version >= '5.1') or cxx.version >= '3.4':
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cxx.cxxflags += ['-Wno-deprecated-register']
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else:
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cxx.cxxflags += ['-Wno-deprecated']
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cxx.cflags += ['-Wno-sometimes-uninitialized']
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cxx.linkflags += ['-m32']
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cxx.cxxflags += [
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'-fno-exceptions',
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'-fno-threadsafe-statics',
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'-Wno-non-virtual-dtor',
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'-Wno-overloaded-virtual',
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]
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if have_gcc:
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cxx.cflags += ['-mfpmath=sse']
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self.configure_gcc(cxx)
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elif cxx.vendor == 'msvc':
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if builder.options.debug == '1':
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cxx.cflags += ['/MTd']
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cxx.linkflags += ['/NODEFAULTLIB:libcmt']
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else:
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cxx.cflags += ['/MT']
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cxx.defines += [
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'_CRT_SECURE_NO_DEPRECATE',
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'_CRT_SECURE_NO_WARNINGS',
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'_CRT_NONSTDC_NO_DEPRECATE',
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'_ITERATOR_DEBUG_LEVEL=0',
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]
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cxx.cflags += [
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'/W3',
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]
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cxx.cxxflags += [
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'/EHsc',
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'/GR-',
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'/TP',
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]
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cxx.linkflags += [
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'/MACHINE:X86',
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'/SUBSYSTEM:WINDOWS',
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'kernel32.lib',
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'user32.lib',
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'gdi32.lib',
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'winspool.lib',
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'comdlg32.lib',
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'advapi32.lib',
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'shell32.lib',
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'ole32.lib',
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'oleaut32.lib',
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'uuid.lib',
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'odbc32.lib',
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'odbccp32.lib',
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]
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self.configure_msvc(cxx)
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# Optimization
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# Optimizaiton
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if builder.options.opt == '1':
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cxx.defines += ['NDEBUG']
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if cxx.like('gcc'):
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cxx.cflags += ['-O3']
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elif cxx.like('msvc'):
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cxx.cflags += ['/Ox']
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cxx.linkflags += ['/OPT:ICF', '/OPT:REF']
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# Debugging
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if builder.options.debug == '1':
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cxx.defines += ['DEBUG', '_DEBUG']
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if cxx.like('msvc'):
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cxx.cflags += ['/Od', '/RTC1']
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if cxx.version >= 1600:
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cxx.cflags += ['/d2Zi+']
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# This needs to be after our optimization flags which could otherwise disable it.
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if cxx.vendor == 'msvc':
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# Don't omit the frame pointer.
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cxx.cflags += ['/Oy-']
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# Platform-specifics
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if builder.target_platform == 'linux':
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cxx.defines += ['_LINUX', 'POSIX']
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if cxx.vendor == 'gcc':
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cxx.linkflags += ['-static-libgcc']
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elif cxx.vendor == 'clang':
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cxx.linkflags += ['-lgcc_eh']
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self.configure_linux(cxx)
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elif builder.target_platform == 'mac':
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cxx.defines += ['OSX', '_OSX', 'POSIX']
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cxx.cflags += ['-mmacosx-version-min=10.5']
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cxx.linkflags += [
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'-mmacosx-version-min=10.5',
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'-arch', 'i386',
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'-lstdc++',
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'-stdlib=libstdc++',
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]
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cxx.cxxflags += ['-stdlib=libstdc++']
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self.configure_mac(cxx)
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elif builder.target_platform == 'windows':
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cxx.defines += ['WIN32', '_WINDOWS']
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self.configure_windows(cxx)
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# Finish up.
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cxx.includes += [
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os.path.join(self.sm_root, 'public'),
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]
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def configure_gcc(self, cxx):
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cxx.defines += [
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'stricmp=strcasecmp',
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'_stricmp=strcasecmp',
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'_snprintf=snprintf',
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'_vsnprintf=vsnprintf',
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'HAVE_STDINT_H',
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'GNUC',
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]
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cxx.cflags += [
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'-pipe',
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'-fno-strict-aliasing',
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# '-Wall',
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'-Werror',
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'-Wno-unused',
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'-Wno-switch',
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'-Wno-array-bounds',
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'-msse',
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'-m32',
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'-fvisibility=hidden',
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]
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cxx.cxxflags += [
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'-std=c++11',
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'-fno-exceptions',
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'-fno-threadsafe-statics',
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'-Wno-non-virtual-dtor',
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'-Wno-overloaded-virtual',
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'-fvisibility-inlines-hidden',
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]
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cxx.linkflags += ['-m32']
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have_gcc = cxx.vendor == 'gcc'
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have_clang = cxx.vendor == 'clang'
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if cxx.version >= 'clang-3.6':
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cxx.cxxflags += ['-Wno-inconsistent-missing-override']
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if have_clang or (cxx.version >= 'gcc-4.6'):
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cxx.cflags += ['-Wno-narrowing']
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if have_clang or (cxx.version >= 'gcc-4.7'):
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cxx.cxxflags += ['-Wno-delete-non-virtual-dtor']
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if cxx.version >= 'gcc-4.8':
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cxx.cflags += ['-Wno-unused-result']
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if have_clang:
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cxx.cxxflags += ['-Wno-implicit-exception-spec-mismatch']
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if cxx.version >= 'apple-clang-5.1' or cxx.version >= 'clang-3.4':
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cxx.cxxflags += ['-Wno-deprecated-register']
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else:
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cxx.cxxflags += ['-Wno-deprecated']
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cxx.cflags += ['-Wno-sometimes-uninitialized']
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if have_gcc:
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cxx.cflags += ['-mfpmath=sse']
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if builder.options.opt == '1':
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cxx.cflags += ['-O3']
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def configure_msvc(self, cxx):
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if builder.options.debug == '1':
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cxx.cflags += ['/MTd']
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cxx.linkflags += ['/NODEFAULTLIB:libcmt']
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else:
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cxx.cflags += ['/MT']
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cxx.defines += [
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'_CRT_SECURE_NO_DEPRECATE',
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'_CRT_SECURE_NO_WARNINGS',
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'_CRT_NONSTDC_NO_DEPRECATE',
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'_ITERATOR_DEBUG_LEVEL=0',
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]
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cxx.cflags += [
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'/W3',
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]
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cxx.cxxflags += [
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'/EHsc',
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'/GR-',
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'/TP',
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]
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cxx.linkflags += [
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'/MACHINE:X86',
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'kernel32.lib',
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'user32.lib',
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'gdi32.lib',
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'winspool.lib',
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'comdlg32.lib',
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'advapi32.lib',
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'shell32.lib',
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'ole32.lib',
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'oleaut32.lib',
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'uuid.lib',
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'odbc32.lib',
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'odbccp32.lib',
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]
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if builder.options.opt == '1':
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cxx.cflags += ['/Ox', '/Zo']
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cxx.linkflags += ['/OPT:ICF', '/OPT:REF']
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if builder.options.debug == '1':
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cxx.cflags += ['/Od', '/RTC1']
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# This needs to be after our optimization flags which could otherwise disable it.
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# Don't omit the frame pointer.
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cxx.cflags += ['/Oy-']
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def configure_linux(self, cxx):
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cxx.defines += ['_LINUX', 'POSIX']
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cxx.linkflags += ['-Wl,--exclude-libs,ALL', '-lm']
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if cxx.vendor == 'gcc':
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cxx.linkflags += ['-static-libgcc']
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elif cxx.vendor == 'clang':
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cxx.linkflags += ['-lgcc_eh']
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def configure_mac(self, cxx):
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cxx.defines += ['OSX', '_OSX', 'POSIX']
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cxx.cflags += ['-mmacosx-version-min=10.5']
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cxx.linkflags += [
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'-mmacosx-version-min=10.5',
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'-arch', 'i386',
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'-lstdc++',
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'-stdlib=libstdc++',
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]
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cxx.cxxflags += ['-stdlib=libstdc++']
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def configure_windows(self, cxx):
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cxx.defines += ['WIN32', '_WINDOWS']
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def ConfigureForExtension(self, context, compiler):
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compiler.cxxincludes += [
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os.path.join(context.currentSourcePath),
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os.path.join(context.currentSourcePath, 'libs', 'libuv-v1.5.0', 'include'),
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os.path.join(context.currentSourcePath, 'sdk'),
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os.path.join(self.sm_root, 'public'),
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os.path.join(self.sm_root, 'public', 'amtl'),
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os.path.join(self.sm_root, 'public', 'extensions'),
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os.path.join(self.sm_root, 'public', 'sourcepawn')
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os.path.join(self.sm_root, 'sourcepawn', 'include'),
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os.path.join(self.sm_root, 'public', 'amtl', 'amtl'),
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os.path.join(self.sm_root, 'public', 'amtl'),
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]
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return compiler
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@ -200,5 +220,14 @@ AsyncSocket = AsyncSocketConfig()
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AsyncSocket.detectSDKs()
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AsyncSocket.configure()
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builder.RunBuildScripts(['extension/AMBuilder'], { 'AsyncSocket': AsyncSocket })
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builder.RunScript('PackageScript', { 'AsyncSocket': AsyncSocket })
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# Add additional buildscripts here
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BuildScripts = [
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'extension/AMBuilder'
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]
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if builder.backend == 'amb2':
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BuildScripts += [
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'PackageScript',
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]
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builder.RunBuildScripts(BuildScripts, { 'AsyncSocket': AsyncSocket})
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10
README.md
Normal file
10
README.md
Normal file
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@ -0,0 +1,10 @@
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# async_connect
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You need to compile https://github.com/libuv/libuv for 32bit like below if you have a 64bit OS.
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```
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sh autgen.sh
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./configure --build=i686-pc-linux-gnu "CFLAGS=-m32" "CXXFLAGS=-m32" "LDFLAGS=-m32" --disable-shared --enable-static
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make
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```
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Put the `libuv/include` folder and `libuv/.libs/libuv.a` in `extensions/libuv`.
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@ -5,7 +5,7 @@ binary = builder.compiler.Library('async_socket.ext')
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AsyncSocket.ConfigureForExtension(builder, binary.compiler)
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binary.compiler.includes += [
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os.path.join(builder.sourcePath, 'extension', 'libs', 'libuv-v1.5.0', 'include')
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os.path.join(builder.sourcePath, 'extension', 'libuv', 'include')
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]
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binary.sources += [
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@ -14,11 +14,17 @@ binary.sources += [
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os.path.join(AsyncSocket.sm_root, 'public', 'smsdk_ext.cpp')
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]
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binary.compiler.defines += ['SOURCEMOD_BUILD']
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binary.compiler.defines += [
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'SOURCEMOD_BUILD'
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]
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binary.compiler.postlink += [os.path.join(builder.sourcePath, 'extension', 'libs', 'libuv-v1.5.0', '.libs', 'libuv.a')]
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binary.compiler.postlink += [
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os.path.join(builder.sourcePath, 'extension', 'libuv', 'libuv.a')
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]
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if builder.target_platform == 'windows':
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binary.compiler.linkflags += ['ws2_32.lib']
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AsyncSocket.extensions += [builder.Add(binary)]
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AsyncSocket.extensions += [
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builder.Add(binary)
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]
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|
|
664
extension/atomicops.h
Normal file
664
extension/atomicops.h
Normal file
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@ -0,0 +1,664 @@
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// ©2013-2016 Cameron Desrochers.
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// Distributed under the simplified BSD license (see the license file that
|
||||
// should have come with this header).
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// Uses Jeff Preshing's semaphore implementation (under the terms of its
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// separate zlib license, embedded below).
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#pragma once
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// Provides portable (VC++2010+, Intel ICC 13, GCC 4.7+, and anything C++11 compliant) implementation
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// of low-level memory barriers, plus a few semi-portable utility macros (for inlining and alignment).
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// Also has a basic atomic type (limited to hardware-supported atomics with no memory ordering guarantees).
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// Uses the AE_* prefix for macros (historical reasons), and the "moodycamel" namespace for symbols.
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#include <cassert>
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#include <type_traits>
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#include <cerrno>
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||||
#include <cstdint>
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||||
#include <ctime>
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||||
|
||||
// Platform detection
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||||
#if defined(__INTEL_COMPILER)
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#define AE_ICC
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||||
#elif defined(_MSC_VER)
|
||||
#define AE_VCPP
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||||
#elif defined(__GNUC__)
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#define AE_GCC
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#endif
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||||
|
||||
#if defined(_M_IA64) || defined(__ia64__)
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#define AE_ARCH_IA64
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#elif defined(_WIN64) || defined(__amd64__) || defined(_M_X64) || defined(__x86_64__)
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#define AE_ARCH_X64
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#elif defined(_M_IX86) || defined(__i386__)
|
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#define AE_ARCH_X86
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#elif defined(_M_PPC) || defined(__powerpc__)
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#define AE_ARCH_PPC
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#else
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#define AE_ARCH_UNKNOWN
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#endif
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// AE_UNUSED
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#define AE_UNUSED(x) ((void)x)
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|
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// AE_FORCEINLINE
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#if defined(AE_VCPP) || defined(AE_ICC)
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#define AE_FORCEINLINE __forceinline
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#elif defined(AE_GCC)
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//#define AE_FORCEINLINE __attribute__((always_inline))
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#define AE_FORCEINLINE inline
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#else
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#define AE_FORCEINLINE inline
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#endif
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||||
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||||
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||||
// AE_ALIGN
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#if defined(AE_VCPP) || defined(AE_ICC)
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#define AE_ALIGN(x) __declspec(align(x))
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||||
#elif defined(AE_GCC)
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||||
#define AE_ALIGN(x) __attribute__((aligned(x)))
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#else
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||||
// Assume GCC compliant syntax...
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||||
#define AE_ALIGN(x) __attribute__((aligned(x)))
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||||
#endif
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||||
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||||
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||||
// Portable atomic fences implemented below:
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||||
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||||
namespace moodycamel {
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||||
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||||
enum memory_order {
|
||||
memory_order_relaxed,
|
||||
memory_order_acquire,
|
||||
memory_order_release,
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||||
memory_order_acq_rel,
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||||
memory_order_seq_cst,
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||||
|
||||
// memory_order_sync: Forces a full sync:
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||||
// #LoadLoad, #LoadStore, #StoreStore, and most significantly, #StoreLoad
|
||||
memory_order_sync = memory_order_seq_cst
|
||||
};
|
||||
|
||||
} // end namespace moodycamel
|
||||
|
||||
#if (defined(AE_VCPP) && (_MSC_VER < 1700 || defined(__cplusplus_cli))) || defined(AE_ICC)
|
||||
// VS2010 and ICC13 don't support std::atomic_*_fence, implement our own fences
|
||||
|
||||
#include <intrin.h>
|
||||
|
||||
#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
|
||||
#define AeFullSync _mm_mfence
|
||||
#define AeLiteSync _mm_mfence
|
||||
#elif defined(AE_ARCH_IA64)
|
||||
#define AeFullSync __mf
|
||||
#define AeLiteSync __mf
|
||||
#elif defined(AE_ARCH_PPC)
|
||||
#include <ppcintrinsics.h>
|
||||
#define AeFullSync __sync
|
||||
#define AeLiteSync __lwsync
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef AE_VCPP
|
||||
#pragma warning(push)
|
||||
#pragma warning(disable: 4365) // Disable erroneous 'conversion from long to unsigned int, signed/unsigned mismatch' error when using `assert`
|
||||
#ifdef __cplusplus_cli
|
||||
#pragma managed(push, off)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
namespace moodycamel {
|
||||
|
||||
AE_FORCEINLINE void compiler_fence(memory_order order)
|
||||
{
|
||||
switch (order) {
|
||||
case memory_order_relaxed: break;
|
||||
case memory_order_acquire: _ReadBarrier(); break;
|
||||
case memory_order_release: _WriteBarrier(); break;
|
||||
case memory_order_acq_rel: _ReadWriteBarrier(); break;
|
||||
case memory_order_seq_cst: _ReadWriteBarrier(); break;
|
||||
default: assert(false);
|
||||
}
|
||||
}
|
||||
|
||||
// x86/x64 have a strong memory model -- all loads and stores have
|
||||
// acquire and release semantics automatically (so only need compiler
|
||||
// barriers for those).
|
||||
#if defined(AE_ARCH_X86) || defined(AE_ARCH_X64)
|
||||
AE_FORCEINLINE void fence(memory_order order)
|
||||
{
|
||||
switch (order) {
|
||||
case memory_order_relaxed: break;
|
||||
case memory_order_acquire: _ReadBarrier(); break;
|
||||
case memory_order_release: _WriteBarrier(); break;
|
||||
case memory_order_acq_rel: _ReadWriteBarrier(); break;
|
||||
case memory_order_seq_cst:
|
||||
_ReadWriteBarrier();
|
||||
AeFullSync();
|
||||
_ReadWriteBarrier();
|
||||
break;
|
||||
default: assert(false);
|
||||
}
|
||||
}
|
||||
#else
|
||||
AE_FORCEINLINE void fence(memory_order order)
|
||||
{
|
||||
// Non-specialized arch, use heavier memory barriers everywhere just in case :-(
|
||||
switch (order) {
|
||||
case memory_order_relaxed:
|
||||
break;
|
||||
case memory_order_acquire:
|
||||
_ReadBarrier();
|
||||
AeLiteSync();
|
||||
_ReadBarrier();
|
||||
break;
|
||||
case memory_order_release:
|
||||
_WriteBarrier();
|
||||
AeLiteSync();
|
||||
_WriteBarrier();
|
||||
break;
|
||||
case memory_order_acq_rel:
|
||||
_ReadWriteBarrier();
|
||||
AeLiteSync();
|
||||
_ReadWriteBarrier();
|
||||
break;
|
||||
case memory_order_seq_cst:
|
||||
_ReadWriteBarrier();
|
||||
AeFullSync();
|
||||
_ReadWriteBarrier();
|
||||
break;
|
||||
default: assert(false);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
} // end namespace moodycamel
|
||||
#else
|
||||
// Use standard library of atomics
|
||||
#include <atomic>
|
||||
|
||||
namespace moodycamel {
|
||||
|
||||
AE_FORCEINLINE void compiler_fence(memory_order order)
|
||||
{
|
||||
switch (order) {
|
||||
case memory_order_relaxed: break;
|
||||
case memory_order_acquire: std::atomic_signal_fence(std::memory_order_acquire); break;
|
||||
case memory_order_release: std::atomic_signal_fence(std::memory_order_release); break;
|
||||
case memory_order_acq_rel: std::atomic_signal_fence(std::memory_order_acq_rel); break;
|
||||
case memory_order_seq_cst: std::atomic_signal_fence(std::memory_order_seq_cst); break;
|
||||
default: assert(false);
|
||||
}
|
||||
}
|
||||
|
||||
AE_FORCEINLINE void fence(memory_order order)
|
||||
{
|
||||
switch (order) {
|
||||
case memory_order_relaxed: break;
|
||||
case memory_order_acquire: std::atomic_thread_fence(std::memory_order_acquire); break;
|
||||
case memory_order_release: std::atomic_thread_fence(std::memory_order_release); break;
|
||||
case memory_order_acq_rel: std::atomic_thread_fence(std::memory_order_acq_rel); break;
|
||||
case memory_order_seq_cst: std::atomic_thread_fence(std::memory_order_seq_cst); break;
|
||||
default: assert(false);
|
||||
}
|
||||
}
|
||||
|
||||
} // end namespace moodycamel
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined(AE_VCPP) || (_MSC_VER >= 1700 && !defined(__cplusplus_cli))
|
||||
#define AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
|
||||
#endif
|
||||
|
||||
#ifdef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
|
||||
#include <atomic>
|
||||
#endif
|
||||
#include <utility>
|
||||
|
||||
// WARNING: *NOT* A REPLACEMENT FOR std::atomic. READ CAREFULLY:
|
||||
// Provides basic support for atomic variables -- no memory ordering guarantees are provided.
|
||||
// The guarantee of atomicity is only made for types that already have atomic load and store guarantees
|
||||
// at the hardware level -- on most platforms this generally means aligned pointers and integers (only).
|
||||
namespace moodycamel {
|
||||
template<typename T>
|
||||
class weak_atomic
|
||||
{
|
||||
public:
|
||||
weak_atomic() { }
|
||||
#ifdef AE_VCPP
|
||||
#pragma warning(disable: 4100) // Get rid of (erroneous) 'unreferenced formal parameter' warning
|
||||
#endif
|
||||
template<typename U> weak_atomic(U&& x) : value(std::forward<U>(x)) { }
|
||||
#ifdef __cplusplus_cli
|
||||
// Work around bug with universal reference/nullptr combination that only appears when /clr is on
|
||||
weak_atomic(nullptr_t) : value(nullptr) { }
|
||||
#endif
|
||||
weak_atomic(weak_atomic const& other) : value(other.value) { }
|
||||
weak_atomic(weak_atomic&& other) : value(std::move(other.value)) { }
|
||||
#ifdef AE_VCPP
|
||||
#pragma warning(default: 4100)
|
||||
#endif
|
||||
|
||||
AE_FORCEINLINE operator T() const { return load(); }
|
||||
|
||||
|
||||
#ifndef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
|
||||
template<typename U> AE_FORCEINLINE weak_atomic const& operator=(U&& x) { value = std::forward<U>(x); return *this; }
|
||||
AE_FORCEINLINE weak_atomic const& operator=(weak_atomic const& other) { value = other.value; return *this; }
|
||||
|
||||
AE_FORCEINLINE T load() const { return value; }
|
||||
|
||||
AE_FORCEINLINE T fetch_add_acquire(T increment)
|
||||
{
|
||||
#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
|
||||
if (sizeof(T) == 4) return _InterlockedExchangeAdd((long volatile*)&value, (long)increment);
|
||||
#if defined(_M_AMD64)
|
||||
else if (sizeof(T) == 8) return _InterlockedExchangeAdd64((long long volatile*)&value, (long long)increment);
|
||||
#endif
|
||||
#else
|
||||
#error Unsupported platform
|
||||
#endif
|
||||
assert(false && "T must be either a 32 or 64 bit type");
|
||||
return value;
|
||||
}
|
||||
|
||||
AE_FORCEINLINE T fetch_add_release(T increment)
|
||||
{
|
||||
#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
|
||||
if (sizeof(T) == 4) return _InterlockedExchangeAdd((long volatile*)&value, (long)increment);
|
||||
#if defined(_M_AMD64)
|
||||
else if (sizeof(T) == 8) return _InterlockedExchangeAdd64((long long volatile*)&value, (long long)increment);
|
||||
#endif
|
||||
#else
|
||||
#error Unsupported platform
|
||||
#endif
|
||||
assert(false && "T must be either a 32 or 64 bit type");
|
||||
return value;
|
||||
}
|
||||
#else
|
||||
template<typename U>
|
||||
AE_FORCEINLINE weak_atomic const& operator=(U&& x)
|
||||
{
|
||||
value.store(std::forward<U>(x), std::memory_order_relaxed);
|
||||
return *this;
|
||||
}
|
||||
|
||||
AE_FORCEINLINE weak_atomic const& operator=(weak_atomic const& other)
|
||||
{
|
||||
value.store(other.value.load(std::memory_order_relaxed), std::memory_order_relaxed);
|
||||
return *this;
|
||||
}
|
||||
|
||||
AE_FORCEINLINE T load() const { return value.load(std::memory_order_relaxed); }
|
||||
|
||||
AE_FORCEINLINE T fetch_add_acquire(T increment)
|
||||
{
|
||||
return value.fetch_add(increment, std::memory_order_acquire);
|
||||
}
|
||||
|
||||
AE_FORCEINLINE T fetch_add_release(T increment)
|
||||
{
|
||||
return value.fetch_add(increment, std::memory_order_release);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
private:
|
||||
#ifndef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
|
||||
// No std::atomic support, but still need to circumvent compiler optimizations.
|
||||
// `volatile` will make memory access slow, but is guaranteed to be reliable.
|
||||
volatile T value;
|
||||
#else
|
||||
std::atomic<T> value;
|
||||
#endif
|
||||
};
|
||||
|
||||
} // end namespace moodycamel
|
||||
|
||||
|
||||
|
||||
// Portable single-producer, single-consumer semaphore below:
|
||||
|
||||
#if defined(_WIN32)
|
||||
// Avoid including windows.h in a header; we only need a handful of
|
||||
// items, so we'll redeclare them here (this is relatively safe since
|
||||
// the API generally has to remain stable between Windows versions).
|
||||
// I know this is an ugly hack but it still beats polluting the global
|
||||
// namespace with thousands of generic names or adding a .cpp for nothing.
|
||||
extern "C" {
|
||||
struct _SECURITY_ATTRIBUTES;
|
||||
__declspec(dllimport) void* __stdcall CreateSemaphoreW(_SECURITY_ATTRIBUTES* lpSemaphoreAttributes, long lInitialCount, long lMaximumCount, const wchar_t* lpName);
|
||||
__declspec(dllimport) int __stdcall CloseHandle(void* hObject);
|
||||
__declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void* hHandle, unsigned long dwMilliseconds);
|
||||
__declspec(dllimport) int __stdcall ReleaseSemaphore(void* hSemaphore, long lReleaseCount, long* lpPreviousCount);
|
||||
}
|
||||
#elif defined(__MACH__)
|
||||
#include <mach/mach.h>
|
||||
#elif defined(__unix__)
|
||||
#include <semaphore.h>
|
||||
#endif
|
||||
|
||||
namespace moodycamel
|
||||
{
|
||||
// Code in the spsc_sema namespace below is an adaptation of Jeff Preshing's
|
||||
// portable + lightweight semaphore implementations, originally from
|
||||
// https://github.com/preshing/cpp11-on-multicore/blob/master/common/sema.h
|
||||
// LICENSE:
|
||||
// Copyright (c) 2015 Jeff Preshing
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied
|
||||
// warranty. In no event will the authors be held liable for any damages
|
||||
// arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it
|
||||
// freely, subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented; you must not
|
||||
// claim that you wrote the original software. If you use this software
|
||||
// in a product, an acknowledgement in the product documentation would be
|
||||
// appreciated but is not required.
|
||||
// 2. Altered source versions must be plainly marked as such, and must not be
|
||||
// misrepresented as being the original software.
|
||||
// 3. This notice may not be removed or altered from any source distribution.
|
||||
namespace spsc_sema
|
||||
{
|
||||
#if defined(_WIN32)
|
||||
class Semaphore
|
||||
{
|
||||
private:
|
||||
void* m_hSema;
|
||||
|
||||
Semaphore(const Semaphore& other);
|
||||
Semaphore& operator=(const Semaphore& other);
|
||||
|
||||
public:
|
||||
Semaphore(int initialCount = 0)
|
||||
{
|
||||
assert(initialCount >= 0);
|
||||
const long maxLong = 0x7fffffff;
|
||||
m_hSema = CreateSemaphoreW(nullptr, initialCount, maxLong, nullptr);
|
||||
}
|
||||
|
||||
~Semaphore()
|
||||
{
|
||||
CloseHandle(m_hSema);
|
||||
}
|
||||
|
||||
void wait()
|
||||
{
|
||||
const unsigned long infinite = 0xffffffff;
|
||||
WaitForSingleObject(m_hSema, infinite);
|
||||
}
|
||||
|
||||
bool try_wait()
|
||||
{
|
||||
const unsigned long RC_WAIT_TIMEOUT = 0x00000102;
|
||||
return WaitForSingleObject(m_hSema, 0) != RC_WAIT_TIMEOUT;
|
||||
}
|
||||
|
||||
bool timed_wait(std::uint64_t usecs)
|
||||
{
|
||||
const unsigned long RC_WAIT_TIMEOUT = 0x00000102;
|
||||
return WaitForSingleObject(m_hSema, (unsigned long)(usecs / 1000)) != RC_WAIT_TIMEOUT;
|
||||
}
|
||||
|
||||
void signal(int count = 1)
|
||||
{
|
||||
ReleaseSemaphore(m_hSema, count, nullptr);
|
||||
}
|
||||
};
|
||||
#elif defined(__MACH__)
|
||||
//---------------------------------------------------------
|
||||
// Semaphore (Apple iOS and OSX)
|
||||
// Can't use POSIX semaphores due to http://lists.apple.com/archives/darwin-kernel/2009/Apr/msg00010.html
|
||||
//---------------------------------------------------------
|
||||
class Semaphore
|
||||
{
|
||||
private:
|
||||
semaphore_t m_sema;
|
||||
|
||||
Semaphore(const Semaphore& other);
|
||||
Semaphore& operator=(const Semaphore& other);
|
||||
|
||||
public:
|
||||
Semaphore(int initialCount = 0)
|
||||
{
|
||||
assert(initialCount >= 0);
|
||||
semaphore_create(mach_task_self(), &m_sema, SYNC_POLICY_FIFO, initialCount);
|
||||
}
|
||||
|
||||
~Semaphore()
|
||||
{
|
||||
semaphore_destroy(mach_task_self(), m_sema);
|
||||
}
|
||||
|
||||
void wait()
|
||||
{
|
||||
semaphore_wait(m_sema);
|
||||
}
|
||||
|
||||
bool try_wait()
|
||||
{
|
||||
return timed_wait(0);
|
||||
}
|
||||
|
||||
bool timed_wait(std::int64_t timeout_usecs)
|
||||
{
|
||||
mach_timespec_t ts;
|
||||
ts.tv_sec = timeout_usecs / 1000000;
|
||||
ts.tv_nsec = (timeout_usecs % 1000000) * 1000;
|
||||
|
||||
// added in OSX 10.10: https://developer.apple.com/library/prerelease/mac/documentation/General/Reference/APIDiffsMacOSX10_10SeedDiff/modules/Darwin.html
|
||||
kern_return_t rc = semaphore_timedwait(m_sema, ts);
|
||||
|
||||
return rc != KERN_OPERATION_TIMED_OUT;
|
||||
}
|
||||
|
||||
void signal()
|
||||
{
|
||||
semaphore_signal(m_sema);
|
||||
}
|
||||
|
||||
void signal(int count)
|
||||
{
|
||||
while (count-- > 0)
|
||||
{
|
||||
semaphore_signal(m_sema);
|
||||
}
|
||||
}
|
||||
};
|
||||
#elif defined(__unix__)
|
||||
//---------------------------------------------------------
|
||||
// Semaphore (POSIX, Linux)
|
||||
//---------------------------------------------------------
|
||||
class Semaphore
|
||||
{
|
||||
private:
|
||||
sem_t m_sema;
|
||||
|
||||
Semaphore(const Semaphore& other);
|
||||
Semaphore& operator=(const Semaphore& other);
|
||||
|
||||
public:
|
||||
Semaphore(int initialCount = 0)
|
||||
{
|
||||
assert(initialCount >= 0);
|
||||
sem_init(&m_sema, 0, initialCount);
|
||||
}
|
||||
|
||||
~Semaphore()
|
||||
{
|
||||
sem_destroy(&m_sema);
|
||||
}
|
||||
|
||||
void wait()
|
||||
{
|
||||
// http://stackoverflow.com/questions/2013181/gdb-causes-sem-wait-to-fail-with-eintr-error
|
||||
int rc;
|
||||
do
|
||||
{
|
||||
rc = sem_wait(&m_sema);
|
||||
}
|
||||
while (rc == -1 && errno == EINTR);
|
||||
}
|
||||
|
||||
bool try_wait()
|
||||
{
|
||||
int rc;
|
||||
do {
|
||||
rc = sem_trywait(&m_sema);
|
||||
} while (rc == -1 && errno == EINTR);
|
||||
return !(rc == -1 && errno == EAGAIN);
|
||||
}
|
||||
|
||||
bool timed_wait(std::uint64_t usecs)
|
||||
{
|
||||
struct timespec ts;
|
||||
const int usecs_in_1_sec = 1000000;
|
||||
const int nsecs_in_1_sec = 1000000000;
|
||||
clock_gettime(CLOCK_REALTIME, &ts);
|
||||
ts.tv_sec += usecs / usecs_in_1_sec;
|
||||
ts.tv_nsec += (usecs % usecs_in_1_sec) * 1000;
|
||||
// sem_timedwait bombs if you have more than 1e9 in tv_nsec
|
||||
// so we have to clean things up before passing it in
|
||||
if (ts.tv_nsec > nsecs_in_1_sec) {
|
||||
ts.tv_nsec -= nsecs_in_1_sec;
|
||||
++ts.tv_sec;
|
||||
}
|
||||
|
||||
int rc;
|
||||
do {
|
||||
rc = sem_timedwait(&m_sema, &ts);
|
||||
} while (rc == -1 && errno == EINTR);
|
||||
return !(rc == -1 && errno == ETIMEDOUT);
|
||||
}
|
||||
|
||||
void signal()
|
||||
{
|
||||
sem_post(&m_sema);
|
||||
}
|
||||
|
||||
void signal(int count)
|
||||
{
|
||||
while (count-- > 0)
|
||||
{
|
||||
sem_post(&m_sema);
|
||||
}
|
||||
}
|
||||
};
|
||||
#else
|
||||
#error Unsupported platform! (No semaphore wrapper available)
|
||||
#endif
|
||||
|
||||
//---------------------------------------------------------
|
||||
// LightweightSemaphore
|
||||
//---------------------------------------------------------
|
||||
class LightweightSemaphore
|
||||
{
|
||||
public:
|
||||
typedef std::make_signed<std::size_t>::type ssize_t;
|
||||
|
||||
private:
|
||||
weak_atomic<ssize_t> m_count;
|
||||
Semaphore m_sema;
|
||||
|
||||
bool waitWithPartialSpinning(std::int64_t timeout_usecs = -1)
|
||||
{
|
||||
ssize_t oldCount;
|
||||
// Is there a better way to set the initial spin count?
|
||||
// If we lower it to 1000, testBenaphore becomes 15x slower on my Core i7-5930K Windows PC,
|
||||
// as threads start hitting the kernel semaphore.
|
||||
int spin = 10000;
|
||||
while (--spin >= 0)
|
||||
{
|
||||
if (m_count.load() > 0)
|
||||
{
|
||||
m_count.fetch_add_acquire(-1);
|
||||
return true;
|
||||
}
|
||||
compiler_fence(memory_order_acquire); // Prevent the compiler from collapsing the loop.
|
||||
}
|
||||
oldCount = m_count.fetch_add_acquire(-1);
|
||||
if (oldCount > 0)
|
||||
return true;
|
||||
if (timeout_usecs < 0)
|
||||
{
|
||||
m_sema.wait();
|
||||
return true;
|
||||
}
|
||||
if (m_sema.timed_wait(timeout_usecs))
|
||||
return true;
|
||||
// At this point, we've timed out waiting for the semaphore, but the
|
||||
// count is still decremented indicating we may still be waiting on
|
||||
// it. So we have to re-adjust the count, but only if the semaphore
|
||||
// wasn't signaled enough times for us too since then. If it was, we
|
||||
// need to release the semaphore too.
|
||||
while (true)
|
||||
{
|
||||
oldCount = m_count.fetch_add_release(1);
|
||||
if (oldCount < 0)
|
||||
return false; // successfully restored things to the way they were
|
||||
// Oh, the producer thread just signaled the semaphore after all. Try again:
|
||||
oldCount = m_count.fetch_add_acquire(-1);
|
||||
if (oldCount > 0 && m_sema.try_wait())
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
LightweightSemaphore(ssize_t initialCount = 0) : m_count(initialCount)
|
||||
{
|
||||
assert(initialCount >= 0);
|
||||
}
|
||||
|
||||
bool tryWait()
|
||||
{
|
||||
if (m_count.load() > 0)
|
||||
{
|
||||
m_count.fetch_add_acquire(-1);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void wait()
|
||||
{
|
||||
if (!tryWait())
|
||||
waitWithPartialSpinning();
|
||||
}
|
||||
|
||||
bool wait(std::int64_t timeout_usecs)
|
||||
{
|
||||
return tryWait() || waitWithPartialSpinning(timeout_usecs);
|
||||
}
|
||||
|
||||
void signal(ssize_t count = 1)
|
||||
{
|
||||
assert(count >= 0);
|
||||
ssize_t oldCount = m_count.fetch_add_release(count);
|
||||
assert(oldCount >= -1);
|
||||
if (oldCount < 0)
|
||||
{
|
||||
m_sema.signal(1);
|
||||
}
|
||||
}
|
||||
|
||||
ssize_t availableApprox() const
|
||||
{
|
||||
ssize_t count = m_count.load();
|
||||
return count > 0 ? count : 0;
|
||||
}
|
||||
};
|
||||
} // end namespace spsc_sema
|
||||
} // end namespace moodycamel
|
||||
|
||||
#if defined(AE_VCPP) && (_MSC_VER < 1700 || defined(__cplusplus_cli))
|
||||
#pragma warning(pop)
|
||||
#ifdef __cplusplus_cli
|
||||
#pragma managed(pop)
|
||||
#endif
|
||||
#endif
|
|
@ -1,91 +1,86 @@
|
|||
#include "context.h"
|
||||
|
||||
AsyncSocketContext::AsyncSocketContext(IPluginContext* pContext) {
|
||||
this->pContext = pContext;
|
||||
CAsyncSocketContext::CAsyncSocketContext(IPluginContext *pContext)
|
||||
{
|
||||
this->m_pContext = pContext;
|
||||
|
||||
socket = NULL;
|
||||
stream = NULL;
|
||||
|
||||
connectCallback = NULL;
|
||||
errorCallback = NULL;
|
||||
dataCallback = NULL;
|
||||
m_pConnectCallback = NULL;
|
||||
m_pErrorCallback = NULL;
|
||||
m_pDataCallback = NULL;
|
||||
}
|
||||
|
||||
AsyncSocketContext::~AsyncSocketContext() {
|
||||
if (connect_req != NULL) {
|
||||
free(connect_req);
|
||||
}
|
||||
CAsyncSocketContext::~CAsyncSocketContext()
|
||||
{
|
||||
if(socket != NULL)
|
||||
uv_close((uv_handle_t *)socket, NULL);
|
||||
|
||||
if (socket != NULL) {
|
||||
uv_close((uv_handle_t *) socket, NULL);
|
||||
}
|
||||
if(m_pConnectCallback)
|
||||
forwards->ReleaseForward(m_pConnectCallback);
|
||||
|
||||
if (connectCallback) {
|
||||
forwards->ReleaseForward(connectCallback);
|
||||
}
|
||||
if(m_pErrorCallback)
|
||||
forwards->ReleaseForward(m_pErrorCallback);
|
||||
|
||||
if (errorCallback) {
|
||||
forwards->ReleaseForward(errorCallback);
|
||||
}
|
||||
|
||||
if (dataCallback) {
|
||||
forwards->ReleaseForward(dataCallback);
|
||||
}
|
||||
if(m_pDataCallback)
|
||||
forwards->ReleaseForward(m_pDataCallback);
|
||||
}
|
||||
|
||||
void AsyncSocketContext::Connected() {
|
||||
if (!connectCallback) {
|
||||
void CAsyncSocketContext::Connected()
|
||||
{
|
||||
if(!m_pConnectCallback)
|
||||
return;
|
||||
}
|
||||
|
||||
connectCallback->PushCell(hndl);
|
||||
connectCallback->Execute(NULL);
|
||||
m_pConnectCallback->PushCell(m_Handle);
|
||||
m_pConnectCallback->Execute(NULL);
|
||||
}
|
||||
|
||||
void AsyncSocketContext::OnError(int error) {
|
||||
if (!errorCallback) {
|
||||
void CAsyncSocketContext::OnError(int error)
|
||||
{
|
||||
if(!m_pErrorCallback)
|
||||
return;
|
||||
}
|
||||
|
||||
errorCallback->PushCell(hndl);
|
||||
errorCallback->PushCell(error);
|
||||
errorCallback->PushString(uv_err_name(error));
|
||||
errorCallback->Execute(NULL);
|
||||
m_pErrorCallback->PushCell(m_Handle);
|
||||
m_pErrorCallback->PushCell(error);
|
||||
m_pErrorCallback->PushString(uv_err_name(error));
|
||||
m_pErrorCallback->Execute(NULL);
|
||||
}
|
||||
|
||||
void AsyncSocketContext::OnData(char* data, ssize_t size) {
|
||||
if (!dataCallback) {
|
||||
void CAsyncSocketContext::OnData(char* data, ssize_t size)
|
||||
{
|
||||
if(!m_pDataCallback)
|
||||
return;
|
||||
}
|
||||
|
||||
dataCallback->PushCell(hndl);
|
||||
dataCallback->PushString(data);
|
||||
dataCallback->PushCell(size);
|
||||
dataCallback->Execute(NULL);
|
||||
m_pDataCallback->PushCell(m_Handle);
|
||||
m_pDataCallback->PushString(data);
|
||||
m_pDataCallback->PushCell(size);
|
||||
m_pDataCallback->Execute(NULL);
|
||||
}
|
||||
|
||||
bool AsyncSocketContext::SetConnectCallback(funcid_t function) {
|
||||
if (connectCallback) {
|
||||
forwards->ReleaseForward(connectCallback);
|
||||
}
|
||||
|
||||
connectCallback = forwards->CreateForwardEx(NULL, ET_Single, 1, NULL, Param_Cell);
|
||||
return connectCallback->AddFunction(pContext, function);
|
||||
bool CAsyncSocketContext::SetConnectCallback(funcid_t function)
|
||||
{
|
||||
if(m_pConnectCallback)
|
||||
forwards->ReleaseForward(m_pConnectCallback);
|
||||
|
||||
m_pConnectCallback = forwards->CreateForwardEx(NULL, ET_Single, 1, NULL, Param_Cell);
|
||||
return m_pConnectCallback->AddFunction(m_pContext, function);
|
||||
}
|
||||
|
||||
bool AsyncSocketContext::SetErrorCallback(funcid_t function) {
|
||||
if (connectCallback) {
|
||||
forwards->ReleaseForward(errorCallback);
|
||||
}
|
||||
bool CAsyncSocketContext::SetErrorCallback(funcid_t function)
|
||||
{
|
||||
if(m_pConnectCallback)
|
||||
forwards->ReleaseForward(m_pErrorCallback);
|
||||
|
||||
errorCallback = forwards->CreateForwardEx(NULL, ET_Single, 3, NULL, Param_Cell, Param_Cell, Param_String);
|
||||
return errorCallback->AddFunction(pContext, function);
|
||||
m_pErrorCallback = forwards->CreateForwardEx(NULL, ET_Single, 3, NULL, Param_Cell, Param_Cell, Param_String);
|
||||
return m_pErrorCallback->AddFunction(m_pContext, function);
|
||||
}
|
||||
|
||||
bool AsyncSocketContext::SetDataCallback(funcid_t function) {
|
||||
if (dataCallback) {
|
||||
forwards->ReleaseForward(dataCallback);
|
||||
}
|
||||
|
||||
dataCallback = forwards->CreateForwardEx(NULL, ET_Single, 3, NULL, Param_Cell, Param_String, Param_Cell);
|
||||
return dataCallback->AddFunction(pContext, function);
|
||||
}
|
||||
bool CAsyncSocketContext::SetDataCallback(funcid_t function)
|
||||
{
|
||||
if(m_pDataCallback)
|
||||
forwards->ReleaseForward(m_pDataCallback);
|
||||
|
||||
m_pDataCallback = forwards->CreateForwardEx(NULL, ET_Single, 3, NULL, Param_Cell, Param_String, Param_Cell);
|
||||
return m_pDataCallback->AddFunction(m_pContext, function);
|
||||
}
|
||||
|
|
|
@ -6,36 +6,35 @@
|
|||
|
||||
#include "smsdk_ext.h"
|
||||
|
||||
class AsyncSocketContext {
|
||||
class CAsyncSocketContext
|
||||
{
|
||||
public:
|
||||
IPluginContext* pContext;
|
||||
IPluginContext *m_pContext;
|
||||
Handle_t m_Handle;
|
||||
|
||||
Handle_t hndl;
|
||||
char *m_pHost;
|
||||
int m_Port;
|
||||
|
||||
char* host;
|
||||
int port;
|
||||
|
||||
IChangeableForward *connectCallback;
|
||||
IChangeableForward *errorCallback;
|
||||
IChangeableForward *dataCallback;
|
||||
IChangeableForward *m_pConnectCallback;
|
||||
IChangeableForward *m_pErrorCallback;
|
||||
IChangeableForward *m_pDataCallback;
|
||||
|
||||
uv_getaddrinfo_t resolver;
|
||||
uv_connect_t* connect_req;
|
||||
uv_tcp_t* socket;
|
||||
uv_stream_t* stream;
|
||||
uv_tcp_t *socket;
|
||||
uv_stream_t *stream;
|
||||
|
||||
CAsyncSocketContext(IPluginContext *plugin);
|
||||
~CAsyncSocketContext();
|
||||
|
||||
AsyncSocketContext(IPluginContext* plugin);
|
||||
~AsyncSocketContext();
|
||||
|
||||
void Connected();
|
||||
|
||||
void OnError(int error);
|
||||
|
||||
void OnData(char* data, ssize_t size);
|
||||
void OnData(char *data, ssize_t size);
|
||||
|
||||
bool SetConnectCallback(funcid_t function);
|
||||
bool SetErrorCallback(funcid_t function);
|
||||
bool SetDataCallback(funcid_t function);
|
||||
};
|
||||
|
||||
#endif
|
||||
#endif
|
||||
|
|
|
@ -8,7 +8,7 @@
|
|||
* This program is free software; you can redistribute it and/or modify it under
|
||||
* the terms of the GNU General Public License, version 3.0, as published by the
|
||||
* Free Software Foundation.
|
||||
*
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||||
|
@ -30,8 +30,8 @@
|
|||
*/
|
||||
|
||||
#include "extension.h"
|
||||
#include "queue.h"
|
||||
#include "context.h"
|
||||
#include "readerwriterqueue.h"
|
||||
#include <uv.h>
|
||||
|
||||
/**
|
||||
|
@ -39,277 +39,190 @@
|
|||
* @brief Implement extension code here.
|
||||
*/
|
||||
|
||||
LockedQueue<AsyncSocketContext*> g_connect_queue;
|
||||
LockedQueue<socket_data_t*> g_data_queue;
|
||||
LockedQueue<error_data_t*> g_error_queue;
|
||||
moodycamel::ReaderWriterQueue<CAsyncSocketContext *> g_ConnectQueue;
|
||||
moodycamel::ReaderWriterQueue<CSocketError *> g_ErrorQueue;
|
||||
moodycamel::ReaderWriterQueue<CSocketData *> g_DataQueue;
|
||||
|
||||
uv_loop_t *loop;
|
||||
uv_loop_t *g_UV_Loop;
|
||||
uv_thread_t g_UV_LoopThread;
|
||||
|
||||
uv_thread_t loop_thread;
|
||||
|
||||
uv_async_t g_async_resolve;
|
||||
uv_async_t g_async_write;
|
||||
uv_async_t g_UV_AsyncAdded;
|
||||
moodycamel::ReaderWriterQueue<CAsyncAddJob> g_AsyncAddQueue;
|
||||
|
||||
AsyncSocket g_AsyncSocket; /**< Global singleton for extension's main interface */
|
||||
|
||||
SMEXT_LINK(&g_AsyncSocket);
|
||||
|
||||
void push_error(AsyncSocketContext *ctx, int error);
|
||||
|
||||
AsyncSocketContext* AsyncSocket::GetSocketInstanceByHandle(Handle_t handle) {
|
||||
CAsyncSocketContext *AsyncSocket::GetSocketInstanceByHandle(Handle_t handle)
|
||||
{
|
||||
HandleSecurity sec;
|
||||
sec.pOwner = NULL;
|
||||
sec.pIdentity = myself->GetIdentity();
|
||||
|
||||
AsyncSocketContext *client;
|
||||
|
||||
if (handlesys->ReadHandle(handle, socketHandleType, &sec, (void**)&client) != HandleError_None)
|
||||
CAsyncSocketContext *pContext;
|
||||
|
||||
if(handlesys->ReadHandle(handle, socketHandleType, &sec, (void **)&pContext) != HandleError_None)
|
||||
return NULL;
|
||||
|
||||
return client;
|
||||
return pContext;
|
||||
}
|
||||
|
||||
void AsyncSocket::OnHandleDestroy(HandleType_t type, void *object) {
|
||||
if(object != NULL) {
|
||||
AsyncSocketContext *ctx = (AsyncSocketContext *) object;
|
||||
|
||||
delete ctx;
|
||||
void AsyncSocket::OnHandleDestroy(HandleType_t type, void *object)
|
||||
{
|
||||
if(object != NULL)
|
||||
{
|
||||
CAsyncSocketContext *pContext = (CAsyncSocketContext *)object;
|
||||
delete pContext;
|
||||
}
|
||||
}
|
||||
|
||||
void OnGameFrame(bool simulating) {
|
||||
if (!g_connect_queue.Empty()) {
|
||||
g_connect_queue.Lock();
|
||||
while(!g_connect_queue.Empty()) {
|
||||
g_connect_queue.Pop()->Connected();
|
||||
}
|
||||
g_connect_queue.Unlock();
|
||||
void OnGameFrame(bool simulating)
|
||||
{
|
||||
CAsyncSocketContext *pContext;
|
||||
while(g_ConnectQueue.try_dequeue(pContext))
|
||||
{
|
||||
pContext->Connected();
|
||||
}
|
||||
|
||||
if (!g_error_queue.Empty()) {
|
||||
g_error_queue.Lock();
|
||||
while(!g_error_queue.Empty()) {
|
||||
error_data_t *err = g_error_queue.Pop();
|
||||
CSocketError *pError;
|
||||
while(g_ErrorQueue.try_dequeue(pError))
|
||||
{
|
||||
pError->pAsyncContext->OnError(pError->Error);
|
||||
|
||||
err->ctx->OnError(err->err);
|
||||
|
||||
free(err);
|
||||
}
|
||||
g_error_queue.Unlock();
|
||||
free(pError);
|
||||
}
|
||||
|
||||
if (!g_data_queue.Empty()) {
|
||||
g_data_queue.Lock();
|
||||
while(!g_data_queue.Empty()) {
|
||||
socket_data_t *data = g_data_queue.Pop();
|
||||
CSocketData *pData;
|
||||
while(g_DataQueue.try_dequeue(pData))
|
||||
{
|
||||
pData->pAsyncContext->OnData(pData->pBuffer, pData->BufferSize);
|
||||
|
||||
data->ctx->OnData(data->buf, data->size);
|
||||
free(pData->pBuffer);
|
||||
free(pData);
|
||||
}
|
||||
}
|
||||
|
||||
free(data->buf);
|
||||
free(data);
|
||||
}
|
||||
g_data_queue.Unlock();
|
||||
void UV_OnAsyncAdded(uv_async_t *pHandle)
|
||||
{
|
||||
CAsyncAddJob Job;
|
||||
while(g_AsyncAddQueue.try_dequeue(Job))
|
||||
{
|
||||
uv_async_t *pAsync = (uv_async_t *)malloc(sizeof(uv_async_t));
|
||||
uv_async_init(g_UV_Loop, pAsync, Job.CallbackFn);
|
||||
pAsync->data = Job.pData;
|
||||
uv_async_send(pAsync);
|
||||
}
|
||||
}
|
||||
|
||||
// main event loop thread
|
||||
void EventLoop(void* data) {
|
||||
uv_run(loop, UV_RUN_DEFAULT);
|
||||
void UV_EventLoop(void *data)
|
||||
{
|
||||
uv_run(g_UV_Loop, UV_RUN_DEFAULT);
|
||||
}
|
||||
|
||||
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
|
||||
buf->base = (char*) malloc(suggested_size);
|
||||
void UV_AllocBuffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf)
|
||||
{
|
||||
buf->base = (char *)malloc(suggested_size);
|
||||
buf->len = suggested_size;
|
||||
}
|
||||
|
||||
void on_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
|
||||
if (nread < 0) {
|
||||
push_error((AsyncSocketContext*) client->data, nread);
|
||||
// Should we decide to close the socket? For now let's let the plugin handle errors, including EOF.
|
||||
void UV_HandleCleanup(uv_handle_t *handle)
|
||||
{
|
||||
free(handle);
|
||||
}
|
||||
|
||||
void UV_PushError(CAsyncSocketContext *pContext, int error)
|
||||
{
|
||||
CSocketError *pError = (CSocketError *)malloc(sizeof(CSocketError));
|
||||
|
||||
pError->pAsyncContext = pContext;
|
||||
pError->Error = error;
|
||||
|
||||
g_ErrorQueue.enqueue(pError);
|
||||
}
|
||||
|
||||
void UV_OnRead(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf)
|
||||
{
|
||||
CAsyncSocketContext *pContext = (CAsyncSocketContext *)client->data;
|
||||
if(nread < 0)
|
||||
{
|
||||
// Connection closed
|
||||
uv_close((uv_handle_t *)client, NULL);
|
||||
pContext->socket = NULL;
|
||||
|
||||
UV_PushError((CAsyncSocketContext *)client->data, nread);
|
||||
return;
|
||||
}
|
||||
|
||||
char *data = (char*) malloc(sizeof(char) * (nread+1));
|
||||
data[nread] = '\0';
|
||||
char *data = (char *)malloc(sizeof(char) * (nread + 1));
|
||||
data[nread] = 0;
|
||||
strncpy(data, buf->base, nread);
|
||||
|
||||
socket_data_t *s = (socket_data_t *) malloc(sizeof(socket_data_t));
|
||||
CSocketData *pData = (CSocketData *)malloc(sizeof(CSocketData));
|
||||
pData->pAsyncContext = pContext;
|
||||
pData->pBuffer = data;
|
||||
pData->BufferSize = nread;
|
||||
|
||||
s->ctx = static_cast<AsyncSocketContext*>(client->data);
|
||||
s->buf = data;
|
||||
s->size = nread;
|
||||
|
||||
g_data_queue.Lock();
|
||||
g_data_queue.Push(s);
|
||||
g_data_queue.Unlock();
|
||||
g_DataQueue.enqueue(pData);
|
||||
|
||||
free(buf->base);
|
||||
}
|
||||
|
||||
void on_connect(uv_connect_t *req, int status) {
|
||||
AsyncSocketContext *ctx = (AsyncSocketContext*) req->data;
|
||||
void UV_OnConnect(uv_connect_t *req, int status)
|
||||
{
|
||||
CAsyncSocketContext *pContext = (CAsyncSocketContext *)req->data;
|
||||
|
||||
if (status < 0) {
|
||||
push_error(ctx, status);
|
||||
if(status < 0)
|
||||
{
|
||||
UV_PushError(pContext, status);
|
||||
return;
|
||||
}
|
||||
|
||||
ctx->connect_req = NULL;
|
||||
ctx->stream = req->handle;
|
||||
pContext->stream = req->handle;
|
||||
|
||||
g_connect_queue.Lock();
|
||||
g_connect_queue.Push(ctx);
|
||||
g_connect_queue.Unlock();
|
||||
g_ConnectQueue.enqueue(pContext);
|
||||
|
||||
req->handle->data = req->data;
|
||||
free(req);
|
||||
|
||||
uv_read_start(ctx->stream, alloc_buffer, on_read);
|
||||
uv_read_start(pContext->stream, UV_AllocBuffer, UV_OnRead);
|
||||
}
|
||||
|
||||
void push_error(AsyncSocketContext *ctx, int error) {
|
||||
error_data_t *err = (error_data_t*) malloc(sizeof(error_data_t));
|
||||
void UV_OnAsyncResolved(uv_getaddrinfo_t *resolver, int status, struct addrinfo *res)
|
||||
{
|
||||
free(resolver->service);
|
||||
CAsyncSocketContext *pContext = (CAsyncSocketContext *) resolver->data;
|
||||
|
||||
err->ctx = ctx;
|
||||
err->err = error;
|
||||
|
||||
g_error_queue.Lock();
|
||||
g_error_queue.Push(err);
|
||||
g_error_queue.Unlock();
|
||||
}
|
||||
|
||||
void on_resolved(uv_getaddrinfo_t *resolver, int status, struct addrinfo *res) {
|
||||
AsyncSocketContext *ctx = (AsyncSocketContext *) resolver->data;
|
||||
|
||||
if (status < 0) {
|
||||
push_error(ctx, status);
|
||||
if(status < 0)
|
||||
{
|
||||
UV_PushError(pContext, status);
|
||||
return;
|
||||
}
|
||||
|
||||
uv_connect_t *connect_req = (uv_connect_t*) malloc(sizeof(uv_connect_t));
|
||||
uv_tcp_t *socket = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
|
||||
uv_connect_t *connect_req = (uv_connect_t *)malloc(sizeof(uv_connect_t));
|
||||
uv_tcp_t *socket = (uv_tcp_t *)malloc(sizeof(uv_tcp_t));
|
||||
|
||||
ctx->connect_req = connect_req;
|
||||
ctx->socket = socket;
|
||||
pContext->socket = socket;
|
||||
connect_req->data = pContext;
|
||||
|
||||
connect_req->data = ctx;
|
||||
char addr[32] = {0};
|
||||
uv_ip4_name((struct sockaddr_in *)res->ai_addr, addr, sizeof(addr));
|
||||
|
||||
char addr[17] = {'\0'};
|
||||
uv_ip4_name((struct sockaddr_in*) res->ai_addr, addr, 16);
|
||||
|
||||
uv_tcp_init(loop, socket);
|
||||
|
||||
uv_tcp_connect(connect_req, socket, (const struct sockaddr*) res->ai_addr, on_connect);
|
||||
uv_tcp_init(g_UV_Loop, socket);
|
||||
uv_tcp_connect(connect_req, socket, (const struct sockaddr*) res->ai_addr, UV_OnConnect);
|
||||
|
||||
uv_freeaddrinfo(res);
|
||||
}
|
||||
|
||||
cell_t Socket_Create(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = new AsyncSocketContext(pContext);
|
||||
void UV_OnAsyncResolve(uv_async_t *handle)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = (CAsyncSocketContext *)handle->data;
|
||||
uv_close((uv_handle_t *)handle, UV_HandleCleanup);
|
||||
|
||||
ctx->hndl = handlesys->CreateHandle(g_AsyncSocket.socketHandleType, ctx, pContext->GetIdentity(), myself->GetIdentity(), NULL);
|
||||
pAsyncContext->resolver.data = pAsyncContext;
|
||||
|
||||
return ctx->hndl;
|
||||
}
|
||||
|
||||
cell_t Socket_Connect(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if (ctx == NULL) {
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
}
|
||||
|
||||
if (params[3] < 0 || params[3] > 65535) {
|
||||
return pContext->ThrowNativeError("Invalid port specified");
|
||||
}
|
||||
|
||||
char *address = NULL;
|
||||
pContext->LocalToString(params[2], &address);
|
||||
|
||||
ctx->host = address;
|
||||
ctx->port = params[3];
|
||||
|
||||
g_async_resolve.data = ctx;
|
||||
uv_async_send(&g_async_resolve);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
cell_t Socket_Write(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if (ctx == NULL) {
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
}
|
||||
|
||||
char *data = NULL;
|
||||
pContext->LocalToString(params[2], &data);
|
||||
|
||||
uv_buf_t* buffer = (uv_buf_t *) malloc(sizeof(uv_buf_t));
|
||||
|
||||
buffer->base = strdup(data);
|
||||
buffer->len = strlen(data);
|
||||
|
||||
socket_write_t *write = (socket_write_t *) malloc(sizeof(socket_write_t));
|
||||
|
||||
write->ctx = ctx;
|
||||
write->buf = buffer;
|
||||
|
||||
g_async_write.data = write;
|
||||
uv_async_send(&g_async_write);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
cell_t Socket_SetConnectCallback(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if (ctx == NULL) {
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
}
|
||||
|
||||
if (!ctx->SetConnectCallback(params[2])) {
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
cell_t Socket_SetErrorCallback(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if (ctx == NULL) {
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
}
|
||||
|
||||
if (!ctx->SetErrorCallback(params[2])) {
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
cell_t Socket_SetDataCallback(IPluginContext *pContext, const cell_t *params) {
|
||||
AsyncSocketContext *ctx = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if (ctx == NULL) {
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
}
|
||||
|
||||
if (!ctx->SetDataCallback(params[2])) {
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void async_resolve(uv_async_t *handle) {
|
||||
AsyncSocketContext *ctx = static_cast<AsyncSocketContext *>(handle->data);
|
||||
|
||||
ctx->resolver.data = ctx;
|
||||
|
||||
char *service = (char *) malloc(sizeof(char) * 6);
|
||||
|
||||
sprintf(service, "%d", ctx->port);
|
||||
char *service = (char *)malloc(8);
|
||||
sprintf(service, "%d", pAsyncContext->m_Port);
|
||||
|
||||
struct addrinfo hints;
|
||||
hints.ai_family = PF_INET;
|
||||
|
@ -317,47 +230,151 @@ void async_resolve(uv_async_t *handle) {
|
|||
hints.ai_protocol = IPPROTO_TCP;
|
||||
hints.ai_flags = 0;
|
||||
|
||||
int r = uv_getaddrinfo(loop, &ctx->resolver, on_resolved, ctx->host, service, &hints);
|
||||
|
||||
if (r) {
|
||||
push_error(ctx, r);
|
||||
}
|
||||
int err = uv_getaddrinfo(g_UV_Loop, &pAsyncContext->resolver, UV_OnAsyncResolved, pAsyncContext->m_pHost, service, &hints);
|
||||
if(err)
|
||||
UV_PushError(pAsyncContext, err);
|
||||
}
|
||||
|
||||
void async_write_cb(uv_write_t* req, int status) {
|
||||
socket_write_t *data = (socket_write_t *) req->data;
|
||||
|
||||
if (data->buf->base) {
|
||||
free(data->buf->base);
|
||||
}
|
||||
|
||||
free(data->buf);
|
||||
|
||||
free(data);
|
||||
void UV_OnAsyncWriteCleanup(uv_write_t *req, int status)
|
||||
{
|
||||
CAsyncWrite *pWrite = (CAsyncWrite *)req->data;
|
||||
|
||||
free(pWrite->pBuffer->base);
|
||||
free(pWrite->pBuffer);
|
||||
free(pWrite);
|
||||
free(req);
|
||||
}
|
||||
|
||||
void async_write(uv_async_t *handle) {
|
||||
socket_write_t *data = (socket_write_t *) handle->data;
|
||||
void UV_OnAsyncWrite(uv_async_t *handle)
|
||||
{
|
||||
CAsyncWrite *pWrite = (CAsyncWrite *)handle->data;
|
||||
uv_close((uv_handle_t *)handle, UV_HandleCleanup);
|
||||
|
||||
if (data == NULL || data->buf == NULL) {
|
||||
if(pWrite == NULL || pWrite->pBuffer == NULL)
|
||||
return;
|
||||
|
||||
if(pWrite->pAsyncContext == NULL || pWrite->pAsyncContext->stream == NULL)
|
||||
{
|
||||
free(pWrite->pBuffer->base);
|
||||
free(pWrite->pBuffer);
|
||||
free(pWrite);
|
||||
return;
|
||||
}
|
||||
|
||||
if (data->ctx == NULL || data->ctx->stream == NULL) {
|
||||
return;
|
||||
}
|
||||
uv_write_t *req = (uv_write_t *)malloc(sizeof(uv_write_t));
|
||||
req->data = pWrite;
|
||||
|
||||
uv_write_t* req = (uv_write_t *) malloc(sizeof(uv_write_t));
|
||||
uv_write(req, pWrite->pAsyncContext->stream, pWrite->pBuffer, 1, UV_OnAsyncWriteCleanup);
|
||||
}
|
||||
|
||||
req->data = data;
|
||||
cell_t Native_AsyncSocket_Create(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = new CAsyncSocketContext(pContext);
|
||||
|
||||
uv_write(req, data->ctx->stream, data->buf, 1, async_write_cb);
|
||||
pAsyncContext->m_Handle = handlesys->CreateHandle(g_AsyncSocket.socketHandleType, pAsyncContext,
|
||||
pContext->GetIdentity(), myself->GetIdentity(), NULL);
|
||||
|
||||
return pAsyncContext->m_Handle;
|
||||
}
|
||||
|
||||
cell_t Native_AsyncSocket_Connect(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if(pAsyncContext == NULL)
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
|
||||
if(params[3] < 0 || params[3] > 65535)
|
||||
return pContext->ThrowNativeError("Invalid port specified");
|
||||
|
||||
char *address = NULL;
|
||||
pContext->LocalToString(params[2], &address);
|
||||
|
||||
pAsyncContext->m_pHost = address;
|
||||
pAsyncContext->m_Port = params[3];
|
||||
|
||||
CAsyncAddJob Job;
|
||||
Job.CallbackFn = UV_OnAsyncResolve;
|
||||
Job.pData = pAsyncContext;
|
||||
g_AsyncAddQueue.enqueue(Job);
|
||||
|
||||
uv_async_send(&g_UV_AsyncAdded);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
cell_t Native_AsyncSocket_Write(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if(pAsyncContext == NULL)
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
|
||||
char *data = NULL;
|
||||
pContext->LocalToString(params[2], &data);
|
||||
|
||||
uv_buf_t* buffer = (uv_buf_t *)malloc(sizeof(uv_buf_t));
|
||||
|
||||
buffer->base = strdup(data);
|
||||
buffer->len = strlen(data);
|
||||
|
||||
CAsyncWrite *pWrite = (CAsyncWrite *)malloc(sizeof(CAsyncWrite));
|
||||
|
||||
pWrite->pAsyncContext = pAsyncContext;
|
||||
pWrite->pBuffer = buffer;
|
||||
|
||||
CAsyncAddJob Job;
|
||||
Job.CallbackFn = UV_OnAsyncWrite;
|
||||
Job.pData = pWrite;
|
||||
g_AsyncAddQueue.enqueue(Job);
|
||||
|
||||
uv_async_send(&g_UV_AsyncAdded);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
cell_t Native_AsyncSocket_SetConnectCallback(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if(pAsyncContext == NULL)
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
|
||||
if(!pAsyncContext->SetConnectCallback(params[2]))
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
cell_t Native_AsyncSocket_SetErrorCallback(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if(pAsyncContext == NULL)
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
|
||||
if(!pAsyncContext->SetErrorCallback(params[2]))
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
cell_t Native_AsyncSocket_SetDataCallback(IPluginContext *pContext, const cell_t *params)
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext = g_AsyncSocket.GetSocketInstanceByHandle(params[1]);
|
||||
|
||||
if(pAsyncContext == NULL)
|
||||
return pContext->ThrowNativeError("Invalid socket handle");
|
||||
|
||||
if(!pAsyncContext->SetDataCallback(params[2]))
|
||||
return pContext->ThrowNativeError("Invalid callback");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Sourcemod Plugin Events
|
||||
bool AsyncSocket::SDK_OnLoad(char *error, size_t maxlength, bool late) {
|
||||
bool AsyncSocket::SDK_OnLoad(char *error, size_t maxlength, bool late)
|
||||
{
|
||||
sharesys->AddNatives(myself, AsyncSocketNatives);
|
||||
sharesys->RegisterLibrary(myself, "async_socket");
|
||||
|
||||
|
@ -365,32 +382,34 @@ bool AsyncSocket::SDK_OnLoad(char *error, size_t maxlength, bool late) {
|
|||
|
||||
smutils->AddGameFrameHook(OnGameFrame);
|
||||
|
||||
loop = uv_default_loop();
|
||||
g_UV_Loop = uv_default_loop();
|
||||
|
||||
uv_async_init(loop, &g_async_resolve, async_resolve);
|
||||
uv_async_init(loop, &g_async_write, async_write);
|
||||
uv_async_init(g_UV_Loop, &g_UV_AsyncAdded, UV_OnAsyncAdded);
|
||||
|
||||
uv_thread_create(&g_UV_LoopThread, UV_EventLoop, NULL);
|
||||
|
||||
uv_thread_create(&loop_thread, EventLoop, NULL);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void AsyncSocket::SDK_OnUnload() {
|
||||
void AsyncSocket::SDK_OnUnload()
|
||||
{
|
||||
handlesys->RemoveType(socketHandleType, NULL);
|
||||
|
||||
uv_thread_join(&loop_thread);
|
||||
uv_close((uv_handle_t *)&g_UV_AsyncAdded, NULL);
|
||||
|
||||
uv_loop_close(loop);
|
||||
uv_thread_join(&g_UV_LoopThread);
|
||||
|
||||
uv_loop_close(g_UV_Loop);
|
||||
|
||||
smutils->RemoveGameFrameHook(OnGameFrame);
|
||||
}
|
||||
|
||||
const sp_nativeinfo_t AsyncSocketNatives[] = {
|
||||
{"AsyncSocket.AsyncSocket", Socket_Create},
|
||||
{"AsyncSocket.Connect", Socket_Connect},
|
||||
{"AsyncSocket.Write", Socket_Write},
|
||||
{"AsyncSocket.SetConnectCallback", Socket_SetConnectCallback},
|
||||
{"AsyncSocket.SetErrorCallback", Socket_SetErrorCallback},
|
||||
{"AsyncSocket.SetDataCallback", Socket_SetDataCallback},
|
||||
{"AsyncSocket.AsyncSocket", Native_AsyncSocket_Create},
|
||||
{"AsyncSocket.Connect", Native_AsyncSocket_Connect},
|
||||
{"AsyncSocket.Write", Native_AsyncSocket_Write},
|
||||
{"AsyncSocket.SetConnectCallback", Native_AsyncSocket_SetConnectCallback},
|
||||
{"AsyncSocket.SetErrorCallback", Native_AsyncSocket_SetErrorCallback},
|
||||
{"AsyncSocket.SetDataCallback", Native_AsyncSocket_SetDataCallback},
|
||||
{NULL, NULL}
|
||||
};
|
||||
};
|
||||
|
|
|
@ -8,7 +8,7 @@
|
|||
* This program is free software; you can redistribute it and/or modify it under
|
||||
* the terms of the GNU General Public License, version 3.0, as published by the
|
||||
* Free Software Foundation.
|
||||
*
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||||
|
@ -42,20 +42,29 @@
|
|||
#include "smsdk_ext.h"
|
||||
#include "context.h"
|
||||
|
||||
struct socket_write_t {
|
||||
AsyncSocketContext *ctx;
|
||||
uv_buf_t* buf;
|
||||
struct CAsyncAddJob
|
||||
{
|
||||
uv_async_cb CallbackFn;
|
||||
void *pData;
|
||||
};
|
||||
|
||||
struct socket_data_t {
|
||||
AsyncSocketContext *ctx;
|
||||
char* buf;
|
||||
ssize_t size;
|
||||
struct CAsyncWrite
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext;
|
||||
uv_buf_t *pBuffer;
|
||||
};
|
||||
|
||||
struct error_data_t {
|
||||
AsyncSocketContext *ctx;
|
||||
int err;
|
||||
struct CSocketData
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext;
|
||||
char *pBuffer;
|
||||
ssize_t BufferSize;
|
||||
};
|
||||
|
||||
struct CSocketError
|
||||
{
|
||||
CAsyncSocketContext *pAsyncContext;
|
||||
int Error;
|
||||
};
|
||||
|
||||
/**
|
||||
|
@ -74,7 +83,7 @@ public:
|
|||
* @return True to succeed loading, false to fail.
|
||||
*/
|
||||
virtual bool SDK_OnLoad(char *error, size_t maxlength, bool late);
|
||||
|
||||
|
||||
/**
|
||||
* @brief This is called right before the extension is unloaded.
|
||||
*/
|
||||
|
@ -135,7 +144,7 @@ public:
|
|||
public:
|
||||
HandleType_t socketHandleType;
|
||||
|
||||
AsyncSocketContext* GetSocketInstanceByHandle(Handle_t handle);
|
||||
CAsyncSocketContext* GetSocketInstanceByHandle(Handle_t handle);
|
||||
public:
|
||||
void OnHandleDestroy(HandleType_t type, void *object);
|
||||
};
|
||||
|
|
2
extension/libuv/.gitignore
vendored
Normal file
2
extension/libuv/.gitignore
vendored
Normal file
|
@ -0,0 +1,2 @@
|
|||
*
|
||||
!.gitignore
|
|
@ -1,44 +0,0 @@
|
|||
#ifndef ASYNC_QUEUE_H
|
||||
#define ASYNC_QUEUE_H
|
||||
|
||||
#include <deque>
|
||||
#include <uv.h>
|
||||
|
||||
template <class T>
|
||||
class LockedQueue {
|
||||
uv_mutex_t lock;
|
||||
std::deque<T> queue;
|
||||
|
||||
public:
|
||||
LockedQueue() {
|
||||
uv_mutex_init(&lock);
|
||||
}
|
||||
|
||||
~LockedQueue() {
|
||||
uv_mutex_destroy(&lock);
|
||||
}
|
||||
|
||||
void Lock() {
|
||||
uv_mutex_lock(&lock);
|
||||
}
|
||||
|
||||
void Unlock() {
|
||||
uv_mutex_unlock(&lock);
|
||||
}
|
||||
|
||||
T Pop() {
|
||||
T output = queue.front();
|
||||
queue.pop_front();
|
||||
return output;
|
||||
}
|
||||
|
||||
void Push(T item) {
|
||||
queue.push_back(item);
|
||||
}
|
||||
|
||||
bool Empty() {
|
||||
return queue.empty();
|
||||
}
|
||||
};
|
||||
|
||||
#endif
|
815
extension/readerwriterqueue.h
Normal file
815
extension/readerwriterqueue.h
Normal file
|
@ -0,0 +1,815 @@
|
|||
// ©2013-2016 Cameron Desrochers.
|
||||
// Distributed under the simplified BSD license (see the license file that
|
||||
// should have come with this header).
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "atomicops.h"
|
||||
#include <type_traits>
|
||||
#include <utility>
|
||||
#include <cassert>
|
||||
#include <stdexcept>
|
||||
#include <new>
|
||||
#include <cstdint>
|
||||
#include <cstdlib> // For malloc/free/abort & size_t
|
||||
#if __cplusplus > 199711L || _MSC_VER >= 1700 // C++11 or VS2012
|
||||
#include <chrono>
|
||||
#endif
|
||||
|
||||
|
||||
// A lock-free queue for a single-consumer, single-producer architecture.
|
||||
// The queue is also wait-free in the common path (except if more memory
|
||||
// needs to be allocated, in which case malloc is called).
|
||||
// Allocates memory sparingly (O(lg(n) times, amortized), and only once if
|
||||
// the original maximum size estimate is never exceeded.
|
||||
// Tested on x86/x64 processors, but semantics should be correct for all
|
||||
// architectures (given the right implementations in atomicops.h), provided
|
||||
// that aligned integer and pointer accesses are naturally atomic.
|
||||
// Note that there should only be one consumer thread and producer thread;
|
||||
// Switching roles of the threads, or using multiple consecutive threads for
|
||||
// one role, is not safe unless properly synchronized.
|
||||
// Using the queue exclusively from one thread is fine, though a bit silly.
|
||||
|
||||
#ifndef MOODYCAMEL_CACHE_LINE_SIZE
|
||||
#define MOODYCAMEL_CACHE_LINE_SIZE 64
|
||||
#endif
|
||||
|
||||
#ifndef MOODYCAMEL_EXCEPTIONS_ENABLED
|
||||
#if (defined(_MSC_VER) && defined(_CPPUNWIND)) || (defined(__GNUC__) && defined(__EXCEPTIONS)) || (!defined(_MSC_VER) && !defined(__GNUC__))
|
||||
#define MOODYCAMEL_EXCEPTIONS_ENABLED
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef AE_VCPP
|
||||
#pragma warning(push)
|
||||
#pragma warning(disable: 4324) // structure was padded due to __declspec(align())
|
||||
#pragma warning(disable: 4820) // padding was added
|
||||
#pragma warning(disable: 4127) // conditional expression is constant
|
||||
#endif
|
||||
|
||||
namespace moodycamel {
|
||||
|
||||
template<typename T, size_t MAX_BLOCK_SIZE = 512>
|
||||
class ReaderWriterQueue
|
||||
{
|
||||
// Design: Based on a queue-of-queues. The low-level queues are just
|
||||
// circular buffers with front and tail indices indicating where the
|
||||
// next element to dequeue is and where the next element can be enqueued,
|
||||
// respectively. Each low-level queue is called a "block". Each block
|
||||
// wastes exactly one element's worth of space to keep the design simple
|
||||
// (if front == tail then the queue is empty, and can't be full).
|
||||
// The high-level queue is a circular linked list of blocks; again there
|
||||
// is a front and tail, but this time they are pointers to the blocks.
|
||||
// The front block is where the next element to be dequeued is, provided
|
||||
// the block is not empty. The back block is where elements are to be
|
||||
// enqueued, provided the block is not full.
|
||||
// The producer thread owns all the tail indices/pointers. The consumer
|
||||
// thread owns all the front indices/pointers. Both threads read each
|
||||
// other's variables, but only the owning thread updates them. E.g. After
|
||||
// the consumer reads the producer's tail, the tail may change before the
|
||||
// consumer is done dequeuing an object, but the consumer knows the tail
|
||||
// will never go backwards, only forwards.
|
||||
// If there is no room to enqueue an object, an additional block (of
|
||||
// equal size to the last block) is added. Blocks are never removed.
|
||||
|
||||
public:
|
||||
// Constructs a queue that can hold maxSize elements without further
|
||||
// allocations. If more than MAX_BLOCK_SIZE elements are requested,
|
||||
// then several blocks of MAX_BLOCK_SIZE each are reserved (including
|
||||
// at least one extra buffer block).
|
||||
explicit ReaderWriterQueue(size_t maxSize = 15)
|
||||
#ifndef NDEBUG
|
||||
: enqueuing(false)
|
||||
,dequeuing(false)
|
||||
#endif
|
||||
{
|
||||
assert(maxSize > 0);
|
||||
assert(MAX_BLOCK_SIZE == ceilToPow2(MAX_BLOCK_SIZE) && "MAX_BLOCK_SIZE must be a power of 2");
|
||||
assert(MAX_BLOCK_SIZE >= 2 && "MAX_BLOCK_SIZE must be at least 2");
|
||||
|
||||
Block* firstBlock = nullptr;
|
||||
|
||||
largestBlockSize = ceilToPow2(maxSize + 1); // We need a spare slot to fit maxSize elements in the block
|
||||
if (largestBlockSize > MAX_BLOCK_SIZE * 2) {
|
||||
// We need a spare block in case the producer is writing to a different block the consumer is reading from, and
|
||||
// wants to enqueue the maximum number of elements. We also need a spare element in each block to avoid the ambiguity
|
||||
// between front == tail meaning "empty" and "full".
|
||||
// So the effective number of slots that are guaranteed to be usable at any time is the block size - 1 times the
|
||||
// number of blocks - 1. Solving for maxSize and applying a ceiling to the division gives us (after simplifying):
|
||||
size_t initialBlockCount = (maxSize + MAX_BLOCK_SIZE * 2 - 3) / (MAX_BLOCK_SIZE - 1);
|
||||
largestBlockSize = MAX_BLOCK_SIZE;
|
||||
Block* lastBlock = nullptr;
|
||||
for (size_t i = 0; i != initialBlockCount; ++i) {
|
||||
auto block = make_block(largestBlockSize);
|
||||
if (block == nullptr) {
|
||||
#ifdef MOODYCAMEL_EXCEPTIONS_ENABLED
|
||||
throw std::bad_alloc();
|
||||
#else
|
||||
abort();
|
||||
#endif
|
||||
}
|
||||
if (firstBlock == nullptr) {
|
||||
firstBlock = block;
|
||||
}
|
||||
else {
|
||||
lastBlock->next = block;
|
||||
}
|
||||
lastBlock = block;
|
||||
block->next = firstBlock;
|
||||
}
|
||||
}
|
||||
else {
|
||||
firstBlock = make_block(largestBlockSize);
|
||||
if (firstBlock == nullptr) {
|
||||
#ifdef MOODYCAMEL_EXCEPTIONS_ENABLED
|
||||
throw std::bad_alloc();
|
||||
#else
|
||||
abort();
|
||||
#endif
|
||||
}
|
||||
firstBlock->next = firstBlock;
|
||||
}
|
||||
frontBlock = firstBlock;
|
||||
tailBlock = firstBlock;
|
||||
|
||||
// Make sure the reader/writer threads will have the initialized memory setup above:
|
||||
fence(memory_order_sync);
|
||||
}
|
||||
|
||||
// Note: The queue should not be accessed concurrently while it's
|
||||
// being deleted. It's up to the user to synchronize this.
|
||||
~ReaderWriterQueue()
|
||||
{
|
||||
// Make sure we get the latest version of all variables from other CPUs:
|
||||
fence(memory_order_sync);
|
||||
|
||||
// Destroy any remaining objects in queue and free memory
|
||||
Block* frontBlock_ = frontBlock;
|
||||
Block* block = frontBlock_;
|
||||
do {
|
||||
Block* nextBlock = block->next;
|
||||
size_t blockFront = block->front;
|
||||
size_t blockTail = block->tail;
|
||||
|
||||
for (size_t i = blockFront; i != blockTail; i = (i + 1) & block->sizeMask) {
|
||||
auto element = reinterpret_cast<T*>(block->data + i * sizeof(T));
|
||||
element->~T();
|
||||
(void)element;
|
||||
}
|
||||
|
||||
auto rawBlock = block->rawThis;
|
||||
block->~Block();
|
||||
std::free(rawBlock);
|
||||
block = nextBlock;
|
||||
} while (block != frontBlock_);
|
||||
}
|
||||
|
||||
|
||||
// Enqueues a copy of element if there is room in the queue.
|
||||
// Returns true if the element was enqueued, false otherwise.
|
||||
// Does not allocate memory.
|
||||
AE_FORCEINLINE bool try_enqueue(T const& element)
|
||||
{
|
||||
return inner_enqueue<CannotAlloc>(element);
|
||||
}
|
||||
|
||||
// Enqueues a moved copy of element if there is room in the queue.
|
||||
// Returns true if the element was enqueued, false otherwise.
|
||||
// Does not allocate memory.
|
||||
AE_FORCEINLINE bool try_enqueue(T&& element)
|
||||
{
|
||||
return inner_enqueue<CannotAlloc>(std::forward<T>(element));
|
||||
}
|
||||
|
||||
|
||||
// Enqueues a copy of element on the queue.
|
||||
// Allocates an additional block of memory if needed.
|
||||
// Only fails (returns false) if memory allocation fails.
|
||||
AE_FORCEINLINE bool enqueue(T const& element)
|
||||
{
|
||||
return inner_enqueue<CanAlloc>(element);
|
||||
}
|
||||
|
||||
// Enqueues a moved copy of element on the queue.
|
||||
// Allocates an additional block of memory if needed.
|
||||
// Only fails (returns false) if memory allocation fails.
|
||||
AE_FORCEINLINE bool enqueue(T&& element)
|
||||
{
|
||||
return inner_enqueue<CanAlloc>(std::forward<T>(element));
|
||||
}
|
||||
|
||||
|
||||
// Attempts to dequeue an element; if the queue is empty,
|
||||
// returns false instead. If the queue has at least one element,
|
||||
// moves front to result using operator=, then returns true.
|
||||
template<typename U>
|
||||
bool try_dequeue(U& result)
|
||||
{
|
||||
#ifndef NDEBUG
|
||||
ReentrantGuard guard(this->dequeuing);
|
||||
#endif
|
||||
|
||||
// High-level pseudocode:
|
||||
// Remember where the tail block is
|
||||
// If the front block has an element in it, dequeue it
|
||||
// Else
|
||||
// If front block was the tail block when we entered the function, return false
|
||||
// Else advance to next block and dequeue the item there
|
||||
|
||||
// Note that we have to use the value of the tail block from before we check if the front
|
||||
// block is full or not, in case the front block is empty and then, before we check if the
|
||||
// tail block is at the front block or not, the producer fills up the front block *and
|
||||
// moves on*, which would make us skip a filled block. Seems unlikely, but was consistently
|
||||
// reproducible in practice.
|
||||
// In order to avoid overhead in the common case, though, we do a double-checked pattern
|
||||
// where we have the fast path if the front block is not empty, then read the tail block,
|
||||
// then re-read the front block and check if it's not empty again, then check if the tail
|
||||
// block has advanced.
|
||||
|
||||
Block* frontBlock_ = frontBlock.load();
|
||||
size_t blockTail = frontBlock_->localTail;
|
||||
size_t blockFront = frontBlock_->front.load();
|
||||
|
||||
if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
|
||||
fence(memory_order_acquire);
|
||||
|
||||
non_empty_front_block:
|
||||
// Front block not empty, dequeue from here
|
||||
auto element = reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
|
||||
result = std::move(*element);
|
||||
element->~T();
|
||||
|
||||
blockFront = (blockFront + 1) & frontBlock_->sizeMask;
|
||||
|
||||
fence(memory_order_release);
|
||||
frontBlock_->front = blockFront;
|
||||
}
|
||||
else if (frontBlock_ != tailBlock.load()) {
|
||||
fence(memory_order_acquire);
|
||||
|
||||
frontBlock_ = frontBlock.load();
|
||||
blockTail = frontBlock_->localTail = frontBlock_->tail.load();
|
||||
blockFront = frontBlock_->front.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
if (blockFront != blockTail) {
|
||||
// Oh look, the front block isn't empty after all
|
||||
goto non_empty_front_block;
|
||||
}
|
||||
|
||||
// Front block is empty but there's another block ahead, advance to it
|
||||
Block* nextBlock = frontBlock_->next;
|
||||
// Don't need an acquire fence here since next can only ever be set on the tailBlock,
|
||||
// and we're not the tailBlock, and we did an acquire earlier after reading tailBlock which
|
||||
// ensures next is up-to-date on this CPU in case we recently were at tailBlock.
|
||||
|
||||
size_t nextBlockFront = nextBlock->front.load();
|
||||
size_t nextBlockTail = nextBlock->localTail = nextBlock->tail.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
// Since the tailBlock is only ever advanced after being written to,
|
||||
// we know there's for sure an element to dequeue on it
|
||||
assert(nextBlockFront != nextBlockTail);
|
||||
AE_UNUSED(nextBlockTail);
|
||||
|
||||
// We're done with this block, let the producer use it if it needs
|
||||
fence(memory_order_release); // Expose possibly pending changes to frontBlock->front from last dequeue
|
||||
frontBlock = frontBlock_ = nextBlock;
|
||||
|
||||
compiler_fence(memory_order_release); // Not strictly needed
|
||||
|
||||
auto element = reinterpret_cast<T*>(frontBlock_->data + nextBlockFront * sizeof(T));
|
||||
|
||||
result = std::move(*element);
|
||||
element->~T();
|
||||
|
||||
nextBlockFront = (nextBlockFront + 1) & frontBlock_->sizeMask;
|
||||
|
||||
fence(memory_order_release);
|
||||
frontBlock_->front = nextBlockFront;
|
||||
}
|
||||
else {
|
||||
// No elements in current block and no other block to advance to
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// Returns a pointer to the front element in the queue (the one that
|
||||
// would be removed next by a call to `try_dequeue` or `pop`). If the
|
||||
// queue appears empty at the time the method is called, nullptr is
|
||||
// returned instead.
|
||||
// Must be called only from the consumer thread.
|
||||
T* peek()
|
||||
{
|
||||
#ifndef NDEBUG
|
||||
ReentrantGuard guard(this->dequeuing);
|
||||
#endif
|
||||
// See try_dequeue() for reasoning
|
||||
|
||||
Block* frontBlock_ = frontBlock.load();
|
||||
size_t blockTail = frontBlock_->localTail;
|
||||
size_t blockFront = frontBlock_->front.load();
|
||||
|
||||
if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
|
||||
fence(memory_order_acquire);
|
||||
non_empty_front_block:
|
||||
return reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
|
||||
}
|
||||
else if (frontBlock_ != tailBlock.load()) {
|
||||
fence(memory_order_acquire);
|
||||
frontBlock_ = frontBlock.load();
|
||||
blockTail = frontBlock_->localTail = frontBlock_->tail.load();
|
||||
blockFront = frontBlock_->front.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
if (blockFront != blockTail) {
|
||||
goto non_empty_front_block;
|
||||
}
|
||||
|
||||
Block* nextBlock = frontBlock_->next;
|
||||
|
||||
size_t nextBlockFront = nextBlock->front.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
assert(nextBlockFront != nextBlock->tail.load());
|
||||
return reinterpret_cast<T*>(nextBlock->data + nextBlockFront * sizeof(T));
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// Removes the front element from the queue, if any, without returning it.
|
||||
// Returns true on success, or false if the queue appeared empty at the time
|
||||
// `pop` was called.
|
||||
bool pop()
|
||||
{
|
||||
#ifndef NDEBUG
|
||||
ReentrantGuard guard(this->dequeuing);
|
||||
#endif
|
||||
// See try_dequeue() for reasoning
|
||||
|
||||
Block* frontBlock_ = frontBlock.load();
|
||||
size_t blockTail = frontBlock_->localTail;
|
||||
size_t blockFront = frontBlock_->front.load();
|
||||
|
||||
if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
|
||||
fence(memory_order_acquire);
|
||||
|
||||
non_empty_front_block:
|
||||
auto element = reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
|
||||
element->~T();
|
||||
|
||||
blockFront = (blockFront + 1) & frontBlock_->sizeMask;
|
||||
|
||||
fence(memory_order_release);
|
||||
frontBlock_->front = blockFront;
|
||||
}
|
||||
else if (frontBlock_ != tailBlock.load()) {
|
||||
fence(memory_order_acquire);
|
||||
frontBlock_ = frontBlock.load();
|
||||
blockTail = frontBlock_->localTail = frontBlock_->tail.load();
|
||||
blockFront = frontBlock_->front.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
if (blockFront != blockTail) {
|
||||
goto non_empty_front_block;
|
||||
}
|
||||
|
||||
// Front block is empty but there's another block ahead, advance to it
|
||||
Block* nextBlock = frontBlock_->next;
|
||||
|
||||
size_t nextBlockFront = nextBlock->front.load();
|
||||
size_t nextBlockTail = nextBlock->localTail = nextBlock->tail.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
assert(nextBlockFront != nextBlockTail);
|
||||
AE_UNUSED(nextBlockTail);
|
||||
|
||||
fence(memory_order_release);
|
||||
frontBlock = frontBlock_ = nextBlock;
|
||||
|
||||
compiler_fence(memory_order_release);
|
||||
|
||||
auto element = reinterpret_cast<T*>(frontBlock_->data + nextBlockFront * sizeof(T));
|
||||
element->~T();
|
||||
|
||||
nextBlockFront = (nextBlockFront + 1) & frontBlock_->sizeMask;
|
||||
|
||||
fence(memory_order_release);
|
||||
frontBlock_->front = nextBlockFront;
|
||||
}
|
||||
else {
|
||||
// No elements in current block and no other block to advance to
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Returns the approximate number of items currently in the queue.
|
||||
// Safe to call from both the producer and consumer threads.
|
||||
inline size_t size_approx() const
|
||||
{
|
||||
size_t result = 0;
|
||||
Block* frontBlock_ = frontBlock.load();
|
||||
Block* block = frontBlock_;
|
||||
do {
|
||||
fence(memory_order_acquire);
|
||||
size_t blockFront = block->front.load();
|
||||
size_t blockTail = block->tail.load();
|
||||
result += (blockTail - blockFront) & block->sizeMask;
|
||||
block = block->next.load();
|
||||
} while (block != frontBlock_);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
private:
|
||||
enum AllocationMode { CanAlloc, CannotAlloc };
|
||||
|
||||
template<AllocationMode canAlloc, typename U>
|
||||
bool inner_enqueue(U&& element)
|
||||
{
|
||||
#ifndef NDEBUG
|
||||
ReentrantGuard guard(this->enqueuing);
|
||||
#endif
|
||||
|
||||
// High-level pseudocode (assuming we're allowed to alloc a new block):
|
||||
// If room in tail block, add to tail
|
||||
// Else check next block
|
||||
// If next block is not the head block, enqueue on next block
|
||||
// Else create a new block and enqueue there
|
||||
// Advance tail to the block we just enqueued to
|
||||
|
||||
Block* tailBlock_ = tailBlock.load();
|
||||
size_t blockFront = tailBlock_->localFront;
|
||||
size_t blockTail = tailBlock_->tail.load();
|
||||
|
||||
size_t nextBlockTail = (blockTail + 1) & tailBlock_->sizeMask;
|
||||
if (nextBlockTail != blockFront || nextBlockTail != (tailBlock_->localFront = tailBlock_->front.load())) {
|
||||
fence(memory_order_acquire);
|
||||
// This block has room for at least one more element
|
||||
char* location = tailBlock_->data + blockTail * sizeof(T);
|
||||
new (location) T(std::forward<U>(element));
|
||||
|
||||
fence(memory_order_release);
|
||||
tailBlock_->tail = nextBlockTail;
|
||||
}
|
||||
else {
|
||||
fence(memory_order_acquire);
|
||||
if (tailBlock_->next.load() != frontBlock) {
|
||||
// Note that the reason we can't advance to the frontBlock and start adding new entries there
|
||||
// is because if we did, then dequeue would stay in that block, eventually reading the new values,
|
||||
// instead of advancing to the next full block (whose values were enqueued first and so should be
|
||||
// consumed first).
|
||||
|
||||
fence(memory_order_acquire); // Ensure we get latest writes if we got the latest frontBlock
|
||||
|
||||
// tailBlock is full, but there's a free block ahead, use it
|
||||
Block* tailBlockNext = tailBlock_->next.load();
|
||||
size_t nextBlockFront = tailBlockNext->localFront = tailBlockNext->front.load();
|
||||
nextBlockTail = tailBlockNext->tail.load();
|
||||
fence(memory_order_acquire);
|
||||
|
||||
// This block must be empty since it's not the head block and we
|
||||
// go through the blocks in a circle
|
||||
assert(nextBlockFront == nextBlockTail);
|
||||
tailBlockNext->localFront = nextBlockFront;
|
||||
|
||||
char* location = tailBlockNext->data + nextBlockTail * sizeof(T);
|
||||
new (location) T(std::forward<U>(element));
|
||||
|
||||
tailBlockNext->tail = (nextBlockTail + 1) & tailBlockNext->sizeMask;
|
||||
|
||||
fence(memory_order_release);
|
||||
tailBlock = tailBlockNext;
|
||||
}
|
||||
else if (canAlloc == CanAlloc) {
|
||||
// tailBlock is full and there's no free block ahead; create a new block
|
||||
auto newBlockSize = largestBlockSize >= MAX_BLOCK_SIZE ? largestBlockSize : largestBlockSize * 2;
|
||||
auto newBlock = make_block(newBlockSize);
|
||||
if (newBlock == nullptr) {
|
||||
// Could not allocate a block!
|
||||
return false;
|
||||
}
|
||||
largestBlockSize = newBlockSize;
|
||||
|
||||
new (newBlock->data) T(std::forward<U>(element));
|
||||
|
||||
assert(newBlock->front == 0);
|
||||
newBlock->tail = newBlock->localTail = 1;
|
||||
|
||||
newBlock->next = tailBlock_->next.load();
|
||||
tailBlock_->next = newBlock;
|
||||
|
||||
// Might be possible for the dequeue thread to see the new tailBlock->next
|
||||
// *without* seeing the new tailBlock value, but this is OK since it can't
|
||||
// advance to the next block until tailBlock is set anyway (because the only
|
||||
// case where it could try to read the next is if it's already at the tailBlock,
|
||||
// and it won't advance past tailBlock in any circumstance).
|
||||
|
||||
fence(memory_order_release);
|
||||
tailBlock = newBlock;
|
||||
}
|
||||
else if (canAlloc == CannotAlloc) {
|
||||
// Would have had to allocate a new block to enqueue, but not allowed
|
||||
return false;
|
||||
}
|
||||
else {
|
||||
assert(false && "Should be unreachable code");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// Disable copying
|
||||
ReaderWriterQueue(ReaderWriterQueue const&) { }
|
||||
|
||||
// Disable assignment
|
||||
ReaderWriterQueue& operator=(ReaderWriterQueue const&) { }
|
||||
|
||||
|
||||
|
||||
AE_FORCEINLINE static size_t ceilToPow2(size_t x)
|
||||
{
|
||||
// From http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
|
||||
--x;
|
||||
x |= x >> 1;
|
||||
x |= x >> 2;
|
||||
x |= x >> 4;
|
||||
for (size_t i = 1; i < sizeof(size_t); i <<= 1) {
|
||||
x |= x >> (i << 3);
|
||||
}
|
||||
++x;
|
||||
return x;
|
||||
}
|
||||
|
||||
template<typename U>
|
||||
static AE_FORCEINLINE char* align_for(char* ptr)
|
||||
{
|
||||
const std::size_t alignment = std::alignment_of<U>::value;
|
||||
return ptr + (alignment - (reinterpret_cast<std::uintptr_t>(ptr) % alignment)) % alignment;
|
||||
}
|
||||
private:
|
||||
#ifndef NDEBUG
|
||||
struct ReentrantGuard
|
||||
{
|
||||
ReentrantGuard(bool& _inSection)
|
||||
: inSection(_inSection)
|
||||
{
|
||||
assert(!inSection && "ReaderWriterQueue does not support enqueuing or dequeuing elements from other elements' ctors and dtors");
|
||||
inSection = true;
|
||||
}
|
||||
|
||||
~ReentrantGuard() { inSection = false; }
|
||||
|
||||
private:
|
||||
ReentrantGuard& operator=(ReentrantGuard const&);
|
||||
|
||||
private:
|
||||
bool& inSection;
|
||||
};
|
||||
#endif
|
||||
|
||||
struct Block
|
||||
{
|
||||
// Avoid false-sharing by putting highly contended variables on their own cache lines
|
||||
weak_atomic<size_t> front; // (Atomic) Elements are read from here
|
||||
size_t localTail; // An uncontended shadow copy of tail, owned by the consumer
|
||||
|
||||
char cachelineFiller0[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<size_t>) - sizeof(size_t)];
|
||||
weak_atomic<size_t> tail; // (Atomic) Elements are enqueued here
|
||||
size_t localFront;
|
||||
|
||||
char cachelineFiller1[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<size_t>) - sizeof(size_t)]; // next isn't very contended, but we don't want it on the same cache line as tail (which is)
|
||||
weak_atomic<Block*> next; // (Atomic)
|
||||
|
||||
char* data; // Contents (on heap) are aligned to T's alignment
|
||||
|
||||
const size_t sizeMask;
|
||||
|
||||
|
||||
// size must be a power of two (and greater than 0)
|
||||
Block(size_t const& _size, char* _rawThis, char* _data)
|
||||
: front(0), localTail(0), tail(0), localFront(0), next(nullptr), data(_data), sizeMask(_size - 1), rawThis(_rawThis)
|
||||
{
|
||||
}
|
||||
|
||||
private:
|
||||
// C4512 - Assignment operator could not be generated
|
||||
Block& operator=(Block const&);
|
||||
|
||||
public:
|
||||
char* rawThis;
|
||||
};
|
||||
|
||||
|
||||
static Block* make_block(size_t capacity)
|
||||
{
|
||||
// Allocate enough memory for the block itself, as well as all the elements it will contain
|
||||
auto size = sizeof(Block) + std::alignment_of<Block>::value - 1;
|
||||
size += sizeof(T) * capacity + std::alignment_of<T>::value - 1;
|
||||
auto newBlockRaw = static_cast<char*>(std::malloc(size));
|
||||
if (newBlockRaw == nullptr) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
auto newBlockAligned = align_for<Block>(newBlockRaw);
|
||||
auto newBlockData = align_for<T>(newBlockAligned + sizeof(Block));
|
||||
return new (newBlockAligned) Block(capacity, newBlockRaw, newBlockData);
|
||||
}
|
||||
|
||||
private:
|
||||
weak_atomic<Block*> frontBlock; // (Atomic) Elements are enqueued to this block
|
||||
|
||||
char cachelineFiller[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<Block*>)];
|
||||
weak_atomic<Block*> tailBlock; // (Atomic) Elements are dequeued from this block
|
||||
|
||||
size_t largestBlockSize;
|
||||
|
||||
#ifndef NDEBUG
|
||||
bool enqueuing;
|
||||
bool dequeuing;
|
||||
#endif
|
||||
};
|
||||
|
||||
// Like ReaderWriterQueue, but also providees blocking operations
|
||||
template<typename T, size_t MAX_BLOCK_SIZE = 512>
|
||||
class BlockingReaderWriterQueue
|
||||
{
|
||||
private:
|
||||
typedef ::moodycamel::ReaderWriterQueue<T, MAX_BLOCK_SIZE> ReaderWriterQueue;
|
||||
|
||||
public:
|
||||
explicit BlockingReaderWriterQueue(size_t maxSize = 15)
|
||||
: inner(maxSize)
|
||||
{ }
|
||||
|
||||
|
||||
// Enqueues a copy of element if there is room in the queue.
|
||||
// Returns true if the element was enqueued, false otherwise.
|
||||
// Does not allocate memory.
|
||||
AE_FORCEINLINE bool try_enqueue(T const& element)
|
||||
{
|
||||
if (inner.try_enqueue(element)) {
|
||||
sema.signal();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// Enqueues a moved copy of element if there is room in the queue.
|
||||
// Returns true if the element was enqueued, false otherwise.
|
||||
// Does not allocate memory.
|
||||
AE_FORCEINLINE bool try_enqueue(T&& element)
|
||||
{
|
||||
if (inner.try_enqueue(std::forward<T>(element))) {
|
||||
sema.signal();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
// Enqueues a copy of element on the queue.
|
||||
// Allocates an additional block of memory if needed.
|
||||
// Only fails (returns false) if memory allocation fails.
|
||||
AE_FORCEINLINE bool enqueue(T const& element)
|
||||
{
|
||||
if (inner.enqueue(element)) {
|
||||
sema.signal();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// Enqueues a moved copy of element on the queue.
|
||||
// Allocates an additional block of memory if needed.
|
||||
// Only fails (returns false) if memory allocation fails.
|
||||
AE_FORCEINLINE bool enqueue(T&& element)
|
||||
{
|
||||
if (inner.enqueue(std::forward<T>(element))) {
|
||||
sema.signal();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
// Attempts to dequeue an element; if the queue is empty,
|
||||
// returns false instead. If the queue has at least one element,
|
||||
// moves front to result using operator=, then returns true.
|
||||
template<typename U>
|
||||
bool try_dequeue(U& result)
|
||||
{
|
||||
if (sema.tryWait()) {
|
||||
bool success = inner.try_dequeue(result);
|
||||
assert(success);
|
||||
AE_UNUSED(success);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
// Attempts to dequeue an element; if the queue is empty,
|
||||
// waits until an element is available, then dequeues it.
|
||||
template<typename U>
|
||||
void wait_dequeue(U& result)
|
||||
{
|
||||
sema.wait();
|
||||
bool success = inner.try_dequeue(result);
|
||||
AE_UNUSED(result);
|
||||
assert(success);
|
||||
AE_UNUSED(success);
|
||||
}
|
||||
|
||||
|
||||
// Attempts to dequeue an element; if the queue is empty,
|
||||
// waits until an element is available up to the specified timeout,
|
||||
// then dequeues it and returns true, or returns false if the timeout
|
||||
// expires before an element can be dequeued.
|
||||
// Using a negative timeout indicates an indefinite timeout,
|
||||
// and is thus functionally equivalent to calling wait_dequeue.
|
||||
template<typename U>
|
||||
bool wait_dequeue_timed(U& result, std::int64_t timeout_usecs)
|
||||
{
|
||||
if (!sema.wait(timeout_usecs)) {
|
||||
return false;
|
||||
}
|
||||
bool success = inner.try_dequeue(result);
|
||||
AE_UNUSED(result);
|
||||
assert(success);
|
||||
AE_UNUSED(success);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
#if __cplusplus > 199711L || _MSC_VER >= 1700
|
||||
// Attempts to dequeue an element; if the queue is empty,
|
||||
// waits until an element is available up to the specified timeout,
|
||||
// then dequeues it and returns true, or returns false if the timeout
|
||||
// expires before an element can be dequeued.
|
||||
// Using a negative timeout indicates an indefinite timeout,
|
||||
// and is thus functionally equivalent to calling wait_dequeue.
|
||||
template<typename U, typename Rep, typename Period>
|
||||
inline bool wait_dequeue_timed(U& result, std::chrono::duration<Rep, Period> const& timeout)
|
||||
{
|
||||
return wait_dequeue_timed(result, std::chrono::duration_cast<std::chrono::microseconds>(timeout).count());
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
// Returns a pointer to the front element in the queue (the one that
|
||||
// would be removed next by a call to `try_dequeue` or `pop`). If the
|
||||
// queue appears empty at the time the method is called, nullptr is
|
||||
// returned instead.
|
||||
// Must be called only from the consumer thread.
|
||||
AE_FORCEINLINE T* peek()
|
||||
{
|
||||
return inner.peek();
|
||||
}
|
||||
|
||||
// Removes the front element from the queue, if any, without returning it.
|
||||
// Returns true on success, or false if the queue appeared empty at the time
|
||||
// `pop` was called.
|
||||
AE_FORCEINLINE bool pop()
|
||||
{
|
||||
if (sema.tryWait()) {
|
||||
bool result = inner.pop();
|
||||
assert(result);
|
||||
AE_UNUSED(result);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// Returns the approximate number of items currently in the queue.
|
||||
// Safe to call from both the producer and consumer threads.
|
||||
AE_FORCEINLINE size_t size_approx() const
|
||||
{
|
||||
return sema.availableApprox();
|
||||
}
|
||||
|
||||
|
||||
private:
|
||||
// Disable copying & assignment
|
||||
BlockingReaderWriterQueue(ReaderWriterQueue const&) { }
|
||||
BlockingReaderWriterQueue& operator=(ReaderWriterQueue const&) { }
|
||||
|
||||
private:
|
||||
ReaderWriterQueue inner;
|
||||
spsc_sema::LightweightSemaphore sema;
|
||||
};
|
||||
|
||||
} // end namespace moodycamel
|
||||
|
||||
#ifdef AE_VCPP
|
||||
#pragma warning(pop)
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user