Class: Quark::MdkDiscovery::Protocol::DiscoClient

Inherits:
DatawireQuarkCore::QuarkObject show all
Extended by:
DatawireQuarkCore::Static
Defined in:
lib/mdk_discovery/protocol.rb

Constant Summary

Constants included from DatawireQuarkCore::Static

DatawireQuarkCore::Static::Unassigned

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from DatawireQuarkCore::Static

_lazy_statics, static, unlazy_statics

Methods inherited from DatawireQuarkCore::QuarkObject

#to_s

Constructor Details

#initialize(disco_subscriber, wsclient, runtime) ⇒ DiscoClient

Returns a new instance of DiscoClient.



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# File 'lib/mdk_discovery/protocol.rb', line 108

def initialize(disco_subscriber, wsclient, runtime)
    
    self.__init_fields__
    (self)._subscriber = disco_subscriber
    (self)._wsclient = wsclient
    (self)._wsclient.subscribe(self)
    (self)._failurePolicyFactory = ::DatawireQuarkCore.cast((runtime).dependencies.getService("failurepolicy_factory")) { ::Quark.mdk_discovery.FailurePolicyFactory }
    (self)._timeService = runtime.getTimeService()

    nil
end

Instance Attribute Details

#_dispatcher ⇒ Object

Returns the value of attribute _dispatcher.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def _dispatcher
  @_dispatcher
end

#_failurePolicyFactory ⇒ Object

Returns the value of attribute _failurePolicyFactory.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def _failurePolicyFactory
  @_failurePolicyFactory
end

#_subscriber ⇒ Object

Returns the value of attribute _subscriber.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def _subscriber
  @_subscriber
end

#_timeService ⇒ Object

Returns the value of attribute _timeService.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def _timeService
  @_timeService
end

#_wsclient ⇒ Object

Returns the value of attribute _wsclient.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def _wsclient
  @_wsclient
end

#dlog ⇒ Object

Returns the value of attribute dlog.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def dlog
  @dlog
end

#lastHeartbeat ⇒ Object

Returns the value of attribute lastHeartbeat.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def lastHeartbeat
  @lastHeartbeat
end

#registered ⇒ Object

Returns the value of attribute registered.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def registered
  @registered
end

#sock ⇒ Object

Returns the value of attribute sock.



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# File 'lib/mdk_discovery/protocol.rb', line 101

def sock
  @sock
end

Instance Method Details

#__init_fields__ ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 358

def __init_fields__()
    
    self._failurePolicyFactory = nil
    self._dispatcher = nil
    self._timeService = nil
    self._subscriber = nil
    self._wsclient = nil
    self.registered = ::Hash.new()
    self.dlog = ::Quark.quark._getLogger("discovery")
    self.lastHeartbeat = 0
    self.sock = nil

    nil
end

#_getClass ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 284

def _getClass()
    
    return "mdk_discovery.protocol.DiscoClient"

    nil
end

#_getField(name) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 291

def _getField(name)
    
    if ((name) == ("_failurePolicyFactory"))
        return (self)._failurePolicyFactory
    end
    if ((name) == ("_dispatcher"))
        return (self)._dispatcher
    end
    if ((name) == ("_timeService"))
        return (self)._timeService
    end
    if ((name) == ("_subscriber"))
        return (self)._subscriber
    end
    if ((name) == ("_wsclient"))
        return (self)._wsclient
    end
    if ((name) == ("registered"))
        return (self).registered
    end
    if ((name) == ("dlog"))
        return (self).dlog
    end
    if ((name) == ("lastHeartbeat"))
        return (self).lastHeartbeat
    end
    if ((name) == ("sock"))
        return (self).sock
    end
    return nil

    nil
end

#_register(node) ⇒ Object

Register a node with the remote Discovery server.



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# File 'lib/mdk_discovery/protocol.rb', line 191

def _register(node)
    
    service = (node).service
    if (!((@registered).key?(service)))
        (@registered)[service] = (::Quark.mdk_discovery.Cluster.new((self)._failurePolicyFactory))
    end
    (@registered)[service].add(node)
    if ((self)._wsclient.isConnected())
        self.active(node)
    end

    nil
end

#_setField(name, value) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 325

def _setField(name, value)
    
    if ((name) == ("_failurePolicyFactory"))
        (self)._failurePolicyFactory = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_discovery.FailurePolicyFactory }
    end
    if ((name) == ("_dispatcher"))
        (self)._dispatcher = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_runtime.actors.MessageDispatcher }
    end
    if ((name) == ("_timeService"))
        (self)._timeService = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_runtime.Time }
    end
    if ((name) == ("_subscriber"))
        (self)._subscriber = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_runtime.actors.Actor }
    end
    if ((name) == ("_wsclient"))
        (self)._wsclient = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_protocol.WSClient }
    end
    if ((name) == ("registered"))
        (self).registered = ::DatawireQuarkCore.cast(value) { ::Hash }
    end
    if ((name) == ("dlog"))
        (self).dlog = value
    end
    if ((name) == ("lastHeartbeat"))
        (self).lastHeartbeat = ::DatawireQuarkCore.cast(value) { ::Integer }
    end
    if ((name) == ("sock"))
        (self).sock = ::DatawireQuarkCore.cast(value) { ::Quark.mdk_runtime.actors.Actor }
    end

    nil
end

#active(node) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 205

def active(node)
    
    active = ::Quark.mdk_discovery.protocol.Active.new()
    (active).node = node
    (active).ttl = ((self)._wsclient).ttl
    (self)._dispatcher.tell(self, active.encode(), (self).sock)
    @dlog.info(("active ") + (node.toString()))

    nil
end

#expire(node) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 216

def expire(node)
    
    expire = ::Quark.mdk_discovery.protocol.Expire.new()
    (expire).node = node
    (self)._dispatcher.tell(self, expire.encode(), (self).sock)
    @dlog.info(("expire ") + (node.toString()))

    nil
end

#heartbeat ⇒ Object

Send all registered services.



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# File 'lib/mdk_discovery/protocol.rb', line 250

def heartbeat()
    
    services = ::DatawireQuarkCore::List.new(((self).registered).keys)
    idx = 0
    while ((idx) < ((services).size)) do
        jdx = 0
        nodes = (((self).registered)[(services)[idx]]).nodes
        while ((jdx) < ((nodes).size)) do
            self.active((nodes)[jdx])
            jdx = (jdx) + (1)
        end
        idx = (idx) + (1)
    end

    nil
end

#onActive(active) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 233

def onActive(active)
    
    (self)._dispatcher.tell(self, ::Quark.mdk_discovery.NodeActive.new((active).node), (self)._subscriber)

    nil
end

#onExpire(expire) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 240

def onExpire(expire)
    
    (self)._dispatcher.tell(self, ::Quark.mdk_discovery.NodeExpired.new((expire).node), (self)._subscriber)

    nil
end

#onMessage(origin, message) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 137

def onMessage(origin, message)
    
    klass = (::Quark.quark.reflect.QuarkClass.get(::DatawireQuarkCore._getClass(message))).id
    if ((klass) == ("mdk_discovery.RegisterNode"))
        register = ::DatawireQuarkCore.cast(message) { ::Quark.mdk_discovery.RegisterNode }
        self._register((register).node)
        return
    end
    ::Quark.mdk_protocol._subscriberDispatch(self, message)

    nil
end

#onMessageFromServer(message) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 150

def onMessageFromServer(message)
    
    type = (::Quark.quark.reflect.QuarkClass.get(::DatawireQuarkCore._getClass(message))).id
    if ((type) == ("mdk_discovery.protocol.Active"))
        active = ::DatawireQuarkCore.cast(message) { ::Quark.mdk_discovery.protocol.Active }
        self.onActive(active)
        return
    end
    if ((type) == ("mdk_discovery.protocol.Expire"))
        expire = ::DatawireQuarkCore.cast(message) { ::Quark.mdk_discovery.protocol.Expire }
        self.onExpire(expire)
        return
    end

    nil
end

#onPump ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 176

def onPump()
    
    rightNow = (((self)._timeService.time()) * (1000.0)).round()
    heartbeatInterval = (((((self)._wsclient).ttl) / (2.0)) * (1000.0)).round()
    if (((rightNow) - ((self).lastHeartbeat)) >= (heartbeatInterval))
        (self).lastHeartbeat = rightNow
        self.heartbeat()
    end

    nil
end

#onStart(dispatcher) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 123

def onStart(dispatcher)
    
    (self)._dispatcher = dispatcher

    nil
end

#onStop ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 130

def onStop()
    
    self.shutdown()

    nil
end

#onWSConnected(websocket) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 167

def onWSConnected(websocket)
    
    (self).sock = websocket
    (self).lastHeartbeat = (((self)._timeService.time()) * (1000.0)).round()
    self.heartbeat()

    nil
end

#resolve(node) ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 226

def resolve(node)
    
    nil

    nil
end

#shutdown ⇒ Object 



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# File 'lib/mdk_discovery/protocol.rb', line 267

def shutdown()
    
    services = ::DatawireQuarkCore::List.new(((self).registered).keys)
    idx = 0
    while ((idx) < ((services).size)) do
        jdx = 0
        nodes = (((self).registered)[(services)[idx]]).nodes
        while ((jdx) < ((nodes).size)) do
            self.expire((nodes)[jdx])
            jdx = (jdx) + (1)
        end
        idx = (idx) + (1)
    end

    nil
end