/usr/lib/ruby/vendor_ruby/Ice.rb is in ruby-zeroc-ice 3.5.1-6.4ubuntu1.
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#
# Copyright (c) 2003-2013 ZeroC, Inc. All rights reserved.
#
# This copy of Ice is licensed to you under the terms described in the
# ICE_LICENSE file included in this distribution.
#
# **********************************************************************
require 'IceRuby'
require 'thread'
module Ice
#
# Convenience function for locating the directory containing the
# Slice files.
#
def Ice.getSliceDir
#
# Get the parent of the directory containing this file
# (Ice.rb).
#
rbHome = File::join(File::dirname(__FILE__), "..")
#
# For an installation from a source distribution, a binary
# tarball, or a Windows installer, the "slice" directory is a
# sibling of the "rb" directory.
#
dir = File::join(rbHome, "slice")
if File::exists?(dir)
return File::expand_path(dir)
end
#
# In a source distribution, the "slice" directory is one level
# higher.
#
dir = File::join(rbHome, "..", "slice")
if File::exists?(dir)
return File::expand_path(dir)
end
if RUBY_PLATFORM =~ /linux/i
iceVer = Ice::stringVersion
#
# Check the default RPM location.
#
dir = File::join("/", "usr", "share", "Ice-" + iceVer, "slice")
if File::exists?(dir)
return dir
end
end
return nil
end
#
# Exceptions.
#
class Exception < ::StandardError
def ice_name
to_s
end
def inspect
return ::Ice::__stringifyException(self)
end
end
class UserException < Exception
end
class LocalException < Exception
end
#
# Object.
#
T_Object = Ice.__declareClass('::Ice::Object')
T_ObjectPrx = Ice.__declareProxy('::Ice::Object')
module Object_mixin
def ice_isA(id, current=nil)
return ice_ids().include?(id)
end
def ice_ping(current=nil)
end
attr_accessor :_ice_slicedData # Only used for instances of preserved classes.
end
class Object
include Object_mixin
def Object.ice_staticId()
'::Ice::Object'
end
end
T_Object.defineClass(nil, -1, true, false, nil, [], [])
Object_mixin::ICE_TYPE = T_Object
T_ObjectPrx.defineProxy(ObjectPrx, T_Object)
ObjectPrx::ICE_TYPE = T_ObjectPrx
#
# LocalObject.
#
T_LocalObject = Ice.__declareLocalClass('::Ice::LocalObject')
T_LocalObject.defineClass(nil, -1, true, false, nil, [], [])
#
# UnknownSlicedObject.
#
class UnknownSlicedObject
include ::Ice::Object_mixin
attr_accessor :unknownTypeId
end
T_UnknownSlicedObject = Ice.__declareClass('::Ice::UnknownSlicedObject')
T_UnknownSlicedObject.defineClass(UnknownSlicedObject, -1, false, true, nil, [], [])
UnknownSlicedObject::ICE_TYPE = T_UnknownSlicedObject
#
# InitializationData.
#
class InitializationData
def initialize(properties=nil, logger=nil)
@properties = properties
@logger = logger
end
attr_accessor :properties, :logger
end
#
# SlicedData
#
class SlicedData
attr_accessor :slices # array of SliceInfo
end
#
# SliceInfo
#
class SliceInfo
attr_accessor :typeId, :bytes, :objects
end
class FormatType
include Comparable
def initialize(val)
fail("invalid value #{val} for FormatType") unless(val >= 0 and val < 3)
@val = val
end
def FormatType.from_int(val)
raise IndexError, "#{val} is out of range 0..2" if(val < 0 || val > 2)
@@_values[val]
end
def to_s
@@_names[@val]
end
def to_i
@val
end
def <=>(other)
other.is_a?(FormatType) or raise ArgumentError, "value must be a FormatType"
@val <=> other.to_i
end
def hash
@val.hash
end
def inspect
@@_names[@val] + "(#{@val})"
end
def FormatType.each(&block)
@@_values.each(&block)
end
@@_names = ['DefaultFormat', 'CompactFormat', 'SlicedFormat']
@@_values = [FormatType.new(0), FormatType.new(1), FormatType.new(2)]
DefaultFormat = @@_values[0]
CompactFormat = @@_values[1]
SlicedFormat = @@_values[2]
private_class_method :new
end
#
# Slice checksum dictionary.
#
SliceChecksums = {}
end
#
# Include certain generated files.
#
require 'Ice/BuiltinSequences.rb'
require 'Ice/Current.rb'
require 'Ice/EndpointTypes.rb'
require 'Ice/LocalException.rb'
require 'Ice/Locator.rb'
require 'Ice/Logger.rb'
require 'Ice/ObjectFactory.rb'
require 'Ice/Process.rb'
require 'Ice/Router.rb'
require 'Ice/Endpoint.rb'
require 'Ice/Version.rb'
require 'Ice/Instrumentation.rb'
require 'Ice/Metrics.rb'
module Ice
#
# Reopen Identity to add the <=> method.
#
class Identity
def <=>(other)
n = self.name <=> other.name
if n == 0
return self.category <=> other.category
else
return n
end
end
end
#
# Note the interface is the same as the C++ CtrlCHandler
# implementation, however, the implementation is different.
#
class CtrlCHandler
def initialize
if @@_self != nil
raise RuntimeError, "Only a single instance of a CtrlCHandler can be instantiated."
end
@@_self = self
# State variables. These are not class static variables.
@condVar = ConditionVariable.new
@mutex = Mutex.new
@queue = Array.new
@done = false
@callback = nil
#
# Setup and install signal handlers
#
if Signal.list.has_key?('HUP')
Signal.trap('HUP') { signalHandler('HUP') }
end
Signal.trap('INT') { signalHandler('INT') }
Signal.trap('TERM') { signalHandler('TERM') }
@thr = Thread.new { main }
end
# Dequeue and dispatch signals.
def main
while true
sig, callback = @mutex.synchronize {
while @queue.empty? and not @done
@condVar.wait(@mutex)
end
if @done
return
end
@queue.shift
}
if callback
callback.call(sig)
end
end
end
# Destroy the object. Wait for the thread to terminate and cleanup
# the internal state.
def destroy
@mutex.synchronize {
@done = true
@condVar.signal
}
# Wait for the thread to terminate
@thr.join
#
# Cleanup any state set by the CtrlCHandler.
#
if Signal.list.has_key?('HUP')
Signal.trap('HUP', 'SIG_DFL')
end
Signal.trap('INT', 'SIG_DFL')
Signal.trap('TERM', 'SIG_DFL')
@@_self = nil
end
def setCallback(callback)
@mutex.synchronize {
@callback = callback
}
end
def getCallback
@mutex.synchronize {
return @callback
}
end
# Private. Only called by the signal handling mechanism.
def signalHandler(sig)
@mutex.synchronize {
#
# The signal AND the current callback are queued together.
#
@queue = @queue.push([sig, @callback])
@condVar.signal
}
end
@@_self = nil
end
#
# Ice::Application.
#
class Application
def initialize(signalPolicy=HandleSignals)
@@_signalPolicy = signalPolicy
end
def main(args, configFile=nil, initData=nil)
if @@_communicator
Ice::getProcessLogger().error($0 + ": only one instance of the Application class can be used")
return false
end
if @@_signalPolicy == HandleSignals
@@_ctrlCHandler = CtrlCHandler.new
end
@@_interrupted = false
@@_appName = $0
status = 0
begin
if initData.nil?
initData = InitializationData.new
end
if configFile
initData.properties = Ice::createProperties
initData.properties.load(configFile)
end
initData.properties = Ice::createProperties(args, initData.properties)
@@_appName = initData.properties.getPropertyWithDefault("Ice.ProgramName", @@_appName)
@@_application = self
@@_communicator = Ice::initialize(args, initData)
@@_destroyed = false
#
# Used by destroyOnInterruptCallback.
#
@@_nohup = @@_communicator.getProperties().getPropertyAsInt("Ice.Nohup") > 0
#
# The default is to destroy when a signal is received.
#
if @@_signalPolicy == HandleSignals
Application::destroyOnInterrupt
end
status = run(args)
rescue => ex
Ice::getProcessLogger().error($!.inspect + "\n" + ex.backtrace.join("\n"))
status = 1
end
#
# Don't want any new interrupt and at this point (post-run),
# it would not make sense to release a held signal to run
# shutdown or destroy.
#
if @@_signalPolicy == HandleSignals
Application::ignoreInterrupt
end
@@_mutex.synchronize {
while @@_callbackInProgress
@@_condVar.wait(@@_mutex)
end
if @@_destroyed
@@_communicator = nil
else
@@_destroyed = true
end
#
# And _communicator != 0, meaning will be destroyed
# next, _destroyed = true also ensures that any
# remaining callback won't do anything
#
@@_application = nil
}
if @@_communicator
begin
@@_communicator.destroy()
rescue => ex
Ice::getProcessLogger().error($!.inspect + "\n" + ex.backtrace.join("\n"))
status = 1
end
@@_communicator = nil
end
if @@_signalPolicy == HandleSignals
@@_ctrlCHandler.destroy()
@@_ctrlCHandler = nil
end
return status
end
def interruptCallback(sig)
end
def Application.appName
@@_appName
end
def Application.communicator
@@_communicator
end
def Application.destroyOnInterrupt
if @@_signalPolicy == HandleSignals
@@_mutex.synchronize {
if @@_ctrlCHandler.getCallback == @@_holdInterruptCallbackProc
@@_released = true
@@_condVar.signal
end
@@_ctrlCHandler.setCallback(@@_destroyOnInterruptCallbackProc)
}
else
Ice::getProcessLogger().error(@@_appName + ": warning: interrupt method called on Application configured to not handle interrupts.")
end
end
# No support for this since no server side in Ice for ruby.
#def Application.shutdownOnInterrupt
#end
def Application.ignoreInterrupt
if @@_signalPolicy == HandleSignals
@@_mutex.synchronize {
if @@_ctrlCHandler.getCallback == @@_holdInterruptCallbackProc
@@_released = true
@@_condVar.signal
end
@@_ctrlCHandler.setCallback(nil)
}
else
Ice::getProcessLogger().error(@@_appName + ": warning: interrupt method called on Application configured to not handle interrupts.")
end
end
def Application.callbackOnInterrupt()
if @@_signalPolicy == HandleSignals
@@_mutex.synchronize {
if @@_ctrlCHandler.getCallback == @@_holdInterruptCallbackProc
@@_released = true
@@_condVar.signal
end
@@_ctrlCHandler.setCallback(@@_callbackOnInterruptCallbackProc)
}
else
Ice::getProcessLogger().error(@@_appName + ": warning: interrupt method called on Application configured to not handle interrupts.")
end
end
def Application.holdInterrupt
if @@_signalPolicy == HandleSignals
@@_mutex.synchronize {
if @@_ctrlCHandler.getCallback != @@_holdInterruptCallbackProc
@@_previousCallback = @@_ctrlCHandler.getCallback
@@_released = false
@@_ctrlCHandler.setCallback(@@_holdInterruptCallbackProc)
end
# else, we were already holding signals
}
else
Ice::getProcessLogger().error(@@_appName + ": warning: interrupt method called on Application configured to not handle interrupts.")
end
end
def Application.releaseInterrupt
if @@_signalPolicy == HandleSignals
@@_mutex.synchronize {
if @@_ctrlCHandler.getCallback == @@_holdInterruptCallbackProc
#
# Note that it's very possible no signal is held;
# in this case the callback is just replaced and
# setting _released to true and signalling _condVar
# do no harm.
#
@@_released = true
@@_ctrlCHandler.setCallback(@@_previousCallback)
@@_condVar.signal
end
# Else nothing to release.
}
else
Ice::getProcessLogger().error(@@_appName + ": warning: interrupt method called on Application configured to not handle interrupts.")
end
end
def Application.interrupted
@@_mutex.synchronize {
return @@_interrupted
}
end
def Application.holdInterruptCallback(sig)
callback = @@_mutex.synchronize {
while not @@_released
@@_condVar.wait(@@_mutex)
end
if @@_destroyed
return
end
@@_ctrlCHandler.getCallback
}
#
# Use the current callback to process this (old) signal.
#
if callback
callback.call(sig)
end
end
def Application.destroyOnInterruptCallback(sig)
@@_mutex.synchronize {
if @@_destroyed or @@_nohup and sig == 'HUP'
return
end
@@_callbackInProcess = true
@@_interrupted = true
@@_destroyed = true
}
begin
@@_communicator.destroy()
rescue => ex
Ice::getProcessLogger().error($!.inspect + "\n" + @@_appName + " (while destroying in response to signal " + sig + "):\n" + ex.backtrace.join("\n"))
end
@@_mutex.synchronize {
@@_callbackInProcess = false
@@_condVar.signal
}
end
def Application.callbackOnInterruptCallback(sig)
# For SIGHUP the user callback is always called. It can
# decide what to do.
@@_mutex.synchronize {
if @@_destroyed
#
# Being destroyed by main thread.
#
return
end
@@_interrupted = true
@@_callbackInProcess = true
}
begin
@@_application.interruptCallback(sig)
rescue => ex
Ice::getProcessLogger().error($!.inspect + "\n" + @@_appName + " (while interrupting in response to signal " + sig + "):\n" + ex.backtrace.join("\n"))
end
@@_mutex.synchronize {
@@_callbackInProcess = false
@@_condVar.signal
}
end
HandleSignals = 0
NoSignalHandling = 1
@@_appName = nil
@@_communicator = nil
@@_application = nil
@@_ctrlCHandler = nil
@@_previousCallback = nil
@@_interrupted = false
@@_released = false
@@_destroyed = false
@@_callbackInProgress = false
@@_condVar = ConditionVariable.new
@@_mutex = Mutex.new
@@_holdInterruptCallbackProc = Proc.new { |sig| Application::holdInterruptCallback(sig) }
@@_destroyOnInterruptCallbackProc = Proc.new { |sig| Application::destroyOnInterruptCallback(sig) }
@@_callbackOnInterruptCallbackProc = Proc.new { |sig| Application::callbackOnInterruptCallback(sig) }
@@_signalPolicy = HandleSignals
end
#
# Proxy comparison functions.
#
def Ice.proxyIdentityCompare(lhs, rhs)
if (lhs && !lhs.is_a?(ObjectPrx)) || (rhs && !rhs.is_a?(ObjectPrx))
raise TypeError, 'argument is not a proxy'
end
if lhs.nil? && rhs.nil?
return 0
elsif lhs.nil? && rhs
return -1
elsif lhs && rhs.nil?
return 1
else
return lhs.ice_getIdentity() <=> rhs.ice_getIdentity()
end
end
def Ice.proxyIdentityEqual(lhs, rhs)
return proxyIdentityCompare(lhs, rhs) == 0
end
def Ice.proxyIdentityAndFacetCompare(lhs, rhs)
n = proxyIdentityCompare(lhs, rhs)
if n == 0 && lhs && rhs
n = lhs.ice_getFacet() <=> rhs.ice_getFacet()
end
return n
end
def Ice.proxyIdentityAndFacetEqual(lhs, rhs)
return proxyIdentityAndFacetCompare(lhs, rhs) == 0
end
Protocol_1_0 = ProtocolVersion.new(1, 0)
Encoding_1_0 = EncodingVersion.new(1, 0)
Encoding_1_1 = EncodingVersion.new(1, 1)
end
Ice::Object_mixin::OP_ice_isA = ::Ice::__defineOperation('ice_isA', ::Ice::OperationMode::Idempotent, ::Ice::OperationMode::Nonmutating, false, nil, [[::Ice::T_string, false, 0]], [], [::Ice::T_bool, false, 0], [])
Ice::Object_mixin::OP_ice_ping = ::Ice::__defineOperation('ice_ping', ::Ice::OperationMode::Idempotent, ::Ice::OperationMode::Nonmutating, false, nil, [], [], nil, [])
Ice::Object_mixin::OP_ice_ids = ::Ice::__defineOperation('ice_ids', ::Ice::OperationMode::Idempotent, ::Ice::OperationMode::Nonmutating, false, nil, [], [], [::Ice::T_StringSeq, false, 0], [])
Ice::Object_mixin::OP_ice_id = ::Ice::__defineOperation('ice_id', ::Ice::OperationMode::Idempotent, ::Ice::OperationMode::Nonmutating, false, nil, [], [], [::Ice::T_string, false, 0], [])
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