/**
* 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));
}
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();
}
/**
* Initializes all the attributes to necessary values.
* Channels are created using the static factory in the
* <code>ChannelServer</code> inteface.
*
* Constructor for One2OneConnectionImpl.
*/
public Any2AnyConnectionImpl() : base()
{
chanToServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanFromServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanClientSynch = StandardChannelFactory.getDefaultInstance().createAny2One(new CSPBuffer(1));
chanServerSynch = StandardChannelFactory.getDefaultInstance().createAny2One(new CSPBuffer(1));
}
/**
* Initializes all the attributes to necessary values.
* Channels are created using the static factory in the
* <code>ChannelServer</code> inteface.
*
* Constructor for One2OneConnectionImpl.
*/
public Any2OneConnectionImpl() : base()
{
chanToServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanFromServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanSynch = StandardChannelFactory.getDefaultInstance().createAny2One(new CSPBuffer(1));
//create the server object - client object created when accessed
connectionServer = new AltingConnectionServerImpl(chanToServer.In(), chanToServer.In());
}
/**
* Constructs and returns an array of <code>Any2OneChannel</code>
* objects with a given buffering behaviour.
*
* @param n the size of the array of channels.
* @param buffer the buffer implementation to use.
* @return the array of channels.
*
* @see jcsp.lang.ChannelArrayFactory#createAny2One(int)
*/
public Any2OneChannel[] createAny2One(ChannelDataStore buffer, int n)
{
Any2OneChannel[] toReturn = new Any2OneChannel[n];
for (int i = 0; i < n; i++)
{
toReturn[i] = createAny2One(buffer);
}
return(toReturn);
}
/**
* Constructs and returns an array of <code>Any2OneChannel</code>
* objects.
*
* @param n the size of the array of channels.
* @return the array of channels.
*
* @see jcsp.lang.ChannelArrayFactory#createAny2One(int)
*/
public Any2OneChannel[] createAny2One(int n)
{
Any2OneChannel[] toReturn = new Any2OneChannel[n];
for (int i = 0; i < n; i++)
{
toReturn[i] = createAny2One();
}
return(toReturn);
}
public static Any2OneChannel[] any2oneArray(int size, ChannelDataStore data, int immunity)
{
Any2OneChannel[] r = new Any2OneChannel[size];
for (int i = 0; i < size; i++)
{
r[i] = any2one(data, immunity);
}
return(r);
}
public static Any2OneChannel[] any2oneArray(int size)
{
Any2OneChannel[] r = new Any2OneChannel[size];
for (int i = 0; i < size; i++)
{
r[i] = any2one();
}
return(r);
}
/**
* Initializes all the attributes to necessary values.
* Channels are created using the static factory in the
* <code>ChannelServer</code> interface.
*
* Constructor for One2OneConnectionImpl.
*/
public One2AnyConnectionImpl() : base()
{
chanToServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanFromServer = StandardChannelFactory.getDefaultInstance().createOne2One(new CSPBuffer(1));
chanSynch = StandardChannelFactory.getDefaultInstance().createAny2One(new CSPBuffer(1));
//create the client and server objects
altingClient = new AltingConnectionClientImpl(chanFromServer.In(),
chanToServer.Out(),
chanToServer.Out(),
chanFromServer.Out());
}
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));
}
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();
}
/**
* 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();
}
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));
}
/**
* 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());
}
/**
* 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();
}
