Exemplo n.º 1
0
        static void Main(string[] args)
        {
            Console.WriteLine("How many Philosophers?\t");
            int            philosophers = Int32.Parse(Console.ReadLine());
            Any2OneChannel service      = Channel.any2one();
            One2AnyChannel deliver      = Channel.one2any();
            One2OneChannel supply       = Channel.one2one();

            List <IamCSProcess> network = new List <IamCSProcess>();

            Philosopher[] philosopherList = new Philosopher[philosophers];
            for (int i = 0; i < philosophers; i++)
            {
                philosopherList.SetValue(new Philosopher(philosopherId: i,
                                                         service: service.Out(),
                                                         deliver:
                                                         deliver.In()), i);
                network.Add(philosopherList[i]);
            }



            network.Add(new QueuingServery(service: service.In(),
                                           deliver: deliver.Out(),
                                           supply: supply.In()));

            network.Add(new Kitchen(supply: supply.Out()));

            new CSPParallel(network.ToArray()).run();
        }
Exemplo n.º 2
0
        /**
         * Static factory method for creating a new NetBarrier with a given index
         *
         * @param localEnroll
         *            The number of locally enrolled processes
         * @param remoteEnroll
         *            The number of remote processes to wait for enrolls from
         * @param barrierIndex
         *            The index to create the barrier with
         * @return A new NetBarrier
         * @//throws ArgumentException
         *             Thrown if the any of the arguments are outside the desired ranges.
         */
        internal static NetBarrier create(int localEnroll, int remoteEnroll, int barrierIndex)
        ////throws ArgumentException
        {
            // First, the sanity checks.
            if (localEnroll < 1)
            {
                throw new ArgumentException(
                          "Tried to create a NetBarrier with fewer than one locally enrolled process");
            }
            if (remoteEnroll < 0)
            {
                throw new ArgumentException("Tried to create a NetBarrier with negative remote enrollments");
            }

            // Now create the BarrierData structure
            BarrierData data = new BarrierData();

            // Set state to OK_SERVER
            data.state = BarrierDataState.OK_SERVER;
            // Create the connecting channel
            Any2OneChannel chan = Channel.any2one(new InfiniteBuffer());

            // Add the output end to the structure
            data.toBarrier = chan.Out();
            // Initialise the structure with the BarrierManager, using the given index
            BarrierManager.getInstance().create(barrierIndex, data);
            // Return a new NetBarrier
            return(new NetBarrier(data, localEnroll, remoteEnroll, null, chan.In(), null));
        }
        public void run()
        {
            Any2OneChannel console = Channel.any2one();

            Clock clock = new Clock(toConsole: console.Out());

            QueuingCanteen servery = new QueuingCanteen(service: service,
                                                        deliver: deliver,
                                                        supply: supply,
                                                        toConsole: console.Out());
            GConsole serveryConsole = new GConsole(toConsole: console.In(),
                                                   frameLabel: "Clocked Queuing Servery");

            IamCSProcess[] network = { servery, serveryConsole, clock };
            new CSPParallel(network).run();
        }
Exemplo n.º 4
0
 /**
  * Returns a <code>SharedConnectionServer</code> object for this
  * connection. This method can be called multiple times to return a new
  * <code>SharedConnectionServer</code> object each time. Any object
  * created can only be used by one process at a time but the set of
  * objects constructed can be used concurrently.
  *
  * @return a new <code>SharedConnectionServer</code> object.
  */
 public SharedConnectionServer server()
 {
     return(new SharedConnectionServerImpl(
                chanToServer.In(),
                chanToServer.In(),
                chanServerSynch.In(),
                chanServerSynch.Out(),
                this));
 }
Exemplo n.º 5
0
 /**
  * Returns the <code>AltingConnectionClient</code> that can
  * be used by a single process at any instance.
  *
  * @return the <code>AltingConnectionClient</code> object.
  */
 public SharedAltingConnectionClient client()
 {
     return(new SharedAltingConnectionClient(chanFromServer.In(),
                                             chanSynch.In(),
                                             chanToServer.Out(),
                                             chanToServer.Out(),
                                             chanSynch.Out(),
                                             chanFromServer.Out(),
                                             this));
 }
        static NetAltingConnectionServer create(NetworkMessageFilter.FilterRx filterRX,
                                                NetworkMessageFilter.FilterTx filterTX)
        {
            ConnectionData data        = new ConnectionData();
            Any2OneChannel requestChan = Channel.any2one(new InfiniteBuffer());
            Any2OneChannel openChan    = Channel.any2one(new InfiniteBuffer());

            data.toConnection = requestChan.Out();
            data.openServer   = openChan.Out();
            data.state        = ConnectionDataState.SERVER_STATE_CLOSED;
            ConnectionManager.getInstance().create(data);
            return(new NetAltingConnectionServer(openChan.In(), requestChan.In(), data, filterRX, filterTX));
        }
Exemplo n.º 7
0
        /**
         * Static factory method used to create a new Net2OneChannel. Used internally within the architecture.
         *
         * @param poisonImmunity
         *            The immunity level of the channel
         * @param filter
         *            The filter on the channel used to convert read bytes into an object
         * @return A new Net2OneChannel
         */
        public static Net2OneChannel create(int poisonImmunity, NetworkMessageFilter.FilterRx filter)
        {
            // Create a new ChannelData object
            ChannelData data = new ChannelData();

            // Create a new infinitely buffered any2one channel connecting the Links to the channel object
            Any2OneChannel chan = Channel.any2one(new InfiniteBuffer());

            // Add the output end to the ChannelData object
            data.toChannel = chan.Out();

            // Set the immunity level
            data.immunityLevel = poisonImmunity;

            // Initialise the ChannelData object with the ChannelManager
            ChannelManager.getInstance().create(data);

            // Return a new Net2OneChannel
            return(new Net2OneChannel(chan.In(), data, filter));
        }
        static void Main(string[] args)
        {
            int n_philosophers = 5;

            Any2OneChannel service = Channel.any2one();
            One2OneChannel deliver = Channel.one2one();
            One2OneChannel supply  = Channel.one2one();

            Philosopher[] philosopher = new Philosopher[n_philosophers];
            for (int i = 0; i < n_philosophers; i++)
            {
                philosopher[i] = new Philosopher(i, service.Out(), deliver.In());
            }

            IamCSProcess[] network =
            {
                new Clock(),
                new Canteen(service.In(),supply.In(),  deliver.Out()),
                new Chef(supply.Out()),
                new CSPParallel(philosopher)
            };

            new CSPParallel(network).run();
        }
Exemplo n.º 9
0
        static NetAltingConnectionClient create(NetConnectionLocation loc, NetworkMessageFilter.FilterTx filterTX, NetworkMessageFilter.FilterRx filterRX)
        ////throws JCSPNetworkException
        {
            // Create the connection data structure
            ConnectionData data = new ConnectionData();

            // Create channel linking this to the Link level. This channel is used to receive response and
            // acknowledgement messages
            Any2OneChannel chan = Channel.any2one(new InfiniteBuffer());

            data.toConnection = chan.Out();

            // Set state of connection
            data.state = ConnectionDataState.CLIENT_STATE_CLOSED;

            ConnectionManager.getInstance().create(data);

            ChannelOutput toLink;

            if (loc.getNodeID().equals(Node.getInstance().getNodeID()))
            {
                toLink = ConnectionManager.getInstance().getConnection(loc.getVConnN()).toConnection;
                return(new NetAltingConnectionClient(chan.In(), toLink, null, data, loc, filterTX, filterRX));
            }

            Link link = LinkManager.getInstance().requestLink(loc.getNodeID());

            if (link == null)
            {
                link = LinkFactory.getLink(loc.getNodeID());
            }

            toLink = link.getTxChannel();

            return(new NetAltingConnectionClient(chan.In(), toLink, link, data, loc, filterTX, filterRX));
        }
Exemplo n.º 10
0
        /**
         * Static factory method for creating a client end of a NetBarrier
         *
         * @param loc
         *            The location of the server end of the connection
         * @param localEnroll
         *            The number of locally enrolled processes
         * @return A new NetBarrier client end
         * @//throws JCSPNetworkException
         *             Thrown if something goes wrong in the underlying architecture
         * @//throws ArgumentException
         *             Thrown if local enrolled is less than 1
         */
        internal static NetBarrier create(NetBarrierLocation loc, int localEnroll)
        ////throws JCSPNetworkException, ArgumentException
        {
            // First, the sanity check.
            if (localEnroll < 1)
            {
                throw new ArgumentException(
                          "Tried to create a NetBarrier with fewer than one locally enrolled process");
            }

            // Next, create the BarrierData structure
            BarrierData data = new BarrierData();

            // Set the state to OK_CLIENT
            data.state = BarrierDataState.OK_CLIENT;
            // Create the connecting channel between this object and the Links
            Any2OneChannel chan = Channel.any2one(new InfiniteBuffer());

            // Attach the output end to the structure
            data.toBarrier = chan.Out();
            // Initialise the barrier with the BarrierManager
            BarrierManager.getInstance().create(data);

            // Now check if this is a locally connected barrier
            if (loc.getNodeID().equals(Node.getInstance().getNodeID()))
            {
                // We are locally connected, so create a new NetBarrier. The constructor will connect to the Barrier server
                // end for us.
                return(new NetBarrier(data, localEnroll, 0, loc, chan.In(), null));
            }

            // We are not locally connected. Continue.

            // This is the channel we will pass to the NetBarrier
            ChannelOutput toLink;

            // First, check if the LinkManager has a connection for us.
            Link link = LinkManager.getInstance().requestLink(loc.getNodeID());

            // The previous operation returns null if no connection exists.
            if (link == null)
            {
                // No connection to the Link exists. Use the factory to get one.
                link = LinkFactory.getLink(loc.getNodeID());

                // The LinkFactory will have created and started the Link for us, if it could connect. We can continue
            }

            // Retrieve the channel connecting to the TX process
            toLink = link.getTxChannel();

            // We now need to enroll with the server end. Send the enroll message
            NetworkMessage msg = new NetworkMessage();

            msg.type = NetworkProtocol.ENROLL;
            // Destination is the VBN of the location
            msg.attr1 = loc.getVBN();
            // Attribute 2 is not used
            msg.attr2 = -1;
            // Write the message to the Link
            toLink.write(msg);
            // Register with the Link
            link.registerBarrier(data);
            // Return a new NetBarrier
            return(new NetBarrier(data, localEnroll, 0, loc, chan.In(), toLink));
        }
        static void Main(string[] args)
        {
            // synchronisation components
            AltingBarrier[] stable    = AltingBarrier.create(10);
            var             elfGroups = Bucket.create(4);

            // Santa to Vestibule Channels
            One2OneChannel openForBusiness  = Channel.createOne2One();
            One2OneChannel consultationOver = Channel.createOne2One();

            //reindeer channels
            Any2OneChannel harness   = Channel.createAny2One();
            One2AnyChannel harnessed = Channel.createOne2Any();
            One2AnyChannel returned  = Channel.createOne2Any();

            One2OneChannel[]  unharness     = Channel.createOne2One(9);
            ChannelOutputList unharnessList = new ChannelOutputList(unharness);

            // elf channels, including Vestibule channels
            Any2OneChannel needToConsult = Channel.createAny2One();
            One2AnyChannel joinGroup     = Channel.createOne2Any();
            Any2OneChannel consult       = Channel.createAny2One();
            Any2OneChannel negotiating   = Channel.createAny2One();

            One2OneChannel[]  consulting     = Channel.createOne2One(10);
            One2OneChannel[]  consulted      = Channel.createOne2One(10);
            ChannelOutputList consultingList = new ChannelOutputList(consulting);
            ChannelOutputList consultedList  = new ChannelOutputList(consulted);

            List <IamCSProcess> grottoList = new List <IamCSProcess>();

            Reindeer[] herd = new Reindeer[9];
            for (int i = 0; i < 9; i++)
            {
                herd[i] = new Reindeer(number: i,
                                       stable: stable[i],
                                       harness: harness.Out(),
                                       harnessed:
                                       harnessed.In(),
                                       returned:
                                       returned.In(),
                                       unharness:
                                       unharness[i].In(),
                                       holidayTime:
                                       15000
                                       );
                grottoList.Add(herd[i]);
            }

            Elf[]          elves        = new Elf[9];
            IamCSProcess[] elvesNetwork = new IamCSProcess[8];
            for (int i = 0; i < 9; i++)
            {
                elves[i] = new Elf(number: i,
                                   groups: elfGroups,
                                   needToConsult: needToConsult.Out(),
                                   joinGroup:
                                   joinGroup.In(),
                                   consult:
                                   consult.Out(),
                                   consulting:
                                   consulting[i].In(),
                                   negotiating:
                                   negotiating.Out(),
                                   consulted:
                                   consulted[i].In(),
                                   workingTime:
                                   1000
                                   );
                grottoList.Add(elves[i]);
            }

            Santa santa = new Santa(openForBusiness: openForBusiness.Out(),
                                    consultationOver: consultationOver.Out(),
                                    harness:
                                    harness.In(),
                                    harnessed:
                                    harnessed.Out(),
                                    returned:
                                    returned.Out(),
                                    unharnessList:
                                    unharnessList,
                                    stable:
                                    stable[9],
                                    consult:
                                    consult.In(),
                                    consulting:
                                    consultingList,
                                    negotiating:
                                    negotiating.In(),
                                    consulted:
                                    consultedList,
                                    deliveryTime:
                                    1000,
                                    consultationTime:
                                    1000
                                    );

            Vestibule vestibule = new Vestibule(groups: elfGroups,
                                                needToConsult: needToConsult.In(),
                                                joinGroup: joinGroup.Out(),
                                                openForBusiness:
                                                openForBusiness.In(),
                                                consultationOver:
                                                consultationOver.In()
                                                );

            grottoList.Add(santa);
            grottoList.Add(vestibule);
            IamCSProcess[] grotto = grottoList.ToArray();

            new CSPParallel(grotto).run();
        }
 /**
  * Constructs a new filtered channel over the top of an existing channel.
  */
 public FilteredAny2OneChannelImpl(Any2OneChannel chan)
 {
     _In  = new FilteredAltingChannelInput(chan.In());
     _Out = new FilteredSharedChannelOutputWrapper(chan.Out());
 }