public GraphNode(AHAddress addr)
{
Shortcuts = 0;
Address = addr;
ConnectionTable = new ConnectionTable(addr);
UpdateSystem();
do {
UniqueID = _rand.Next();
} while(_unique_allocations.ContainsKey(UniqueID));
_unique_allocations[UniqueID] = UniqueID;
}
public void Test()
{
Address addr_x = new AHAddress(new RNGCryptoServiceProvider());
byte[] addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (Address.Full / 2));
Address.SetClass(addrbuff, AHAddress._class);
Address addr_y = new AHAddress(addrbuff);
List<Connection> connections = new List<Connection>();
ConnectionTable ct_x = new ConnectionTable();
ConnectionTable ct_y = new ConnectionTable();
ConnectionTable ct_empty = new ConnectionTable();
NCService ncservice = new NCService();
Connection fast_con = null;
for(int i = 1; i <= 11; i++) {
addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (i * Address.Full / 16));
Address.SetClass(addrbuff, AHAddress._class);
Address addr = new AHAddress(addrbuff);
Connection con = null;
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://158.7.0.1:5000");
Edge fe = new FakeEdge(ta, ta, TransportAddress.TAType.Tcp);
if(i <= 10) {
con = new Connection(fe, addr, "structured", null, null);
ct_x.Add(con);
if(i % 2 == 0) {
ncservice.ProcessSample(DateTime.UtcNow, String.Empty, addr,
new Point(new double[] {0, 0}, 0), 0, i*10);
}
} else {
fast_con = new Connection(fe, addr, "structured", null, null);
ncservice.ProcessSample(DateTime.UtcNow, String.Empty, addr,
new Point(new double[] {0, 0}, 0), 0, 5);
}
if(i == 10) {
ct_y.Add(con);
}
connections.Add(con);
}
ITunnelOverlap sto = new SimpleTunnelOverlap();
ITunnelOverlap nto = new NCTunnelOverlap(ncservice);
ConnectionType con_type = ConnectionType.Structured;
List<Connection> pre_cons = new List<Connection>();
pre_cons.Add(connections[9]);
IDictionary id = nto.GetSyncMessage(pre_cons, addr_x, ct_x.GetConnections(con_type));
// We do have some pre-existing overlap
Assert.AreEqual(nto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], connections[9], "NC: Have an overlap!");
Assert.AreEqual(sto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], connections[9], "Simple: Have an overlap!");
// We have no overlap with an empty connection table
Assert.AreEqual(nto.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");
Assert.AreEqual(sto.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");
// latency[0] == -1
Assert.AreEqual(connections[1].Address.Equals(nto.EvaluatePotentialOverlap(id)), true,
"NC: EvaluatePotentialOverlap returns expected!");
Assert.AreEqual(ct_x.Contains(con_type, sto.EvaluatePotentialOverlap(id)), true,
"Simple: EvaluatePotentialOverlap returns valid!");
ct_y.Add(fast_con);
ct_x.Add(fast_con);
id = nto.GetSyncMessage(pre_cons, addr_x, ct_x.GetConnections(con_type));
Assert.AreEqual(fast_con.Address.Equals(nto.EvaluatePotentialOverlap(id)), true,
"NC: EvaluatePotentialOverlap returns expected!");
Assert.AreEqual(nto.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0], fast_con, "NC: Have better overlap!");
}
public void Test()
{
IRelayOverlap _ito = new SimpleRelayOverlap();
Address addr_x = new AHAddress(new RNGCryptoServiceProvider());
byte[] addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (Address.Full / 2));
Address.SetClass(addrbuff, AHAddress._class);
Address addr_y = new AHAddress(addrbuff);
ArrayList addresses = new ArrayList();
ConnectionTable ct_x = new ConnectionTable();
ConnectionTable ct_y = new ConnectionTable();
ConnectionTable ct_empty = new ConnectionTable();
for(int i = 1; i <= 10; i++) {
addrbuff = Address.ConvertToAddressBuffer(addr_x.ToBigInteger() + (i * Address.Full / 16));
Address.SetClass(addrbuff, AHAddress._class);
addresses.Add(new AHAddress(addrbuff));
TransportAddress ta = TransportAddressFactory.CreateInstance("brunet.tcp://158.7.0.1:5000");
Edge fe = new FakeEdge(ta, ta, TransportAddress.TAType.Tcp);
ct_x.Add(new Connection(fe, addresses[i - 1] as AHAddress, "structured", null, null));
if(i == 10) {
ct_y.Add(new Connection(fe, addresses[i - 1] as AHAddress, "structured", null, null));
}
}
ConnectionType con_type = ConnectionType.Structured;
IDictionary id = _ito.GetSyncMessage(null, addr_x, ct_x.GetConnections(con_type));
Assert.AreEqual(_ito.EvaluateOverlap(ct_y.GetConnections(con_type), id)[0].Address, addresses[9], "Have an overlap!");
Assert.AreEqual(_ito.EvaluateOverlap(ct_empty.GetConnections(con_type), id).Count, 0, "No overlap!");
Assert.AreEqual(addresses.Contains(_ito.EvaluatePotentialOverlap(id)), true, "EvaluatePotentialOverlap returns valid!");
}
/**
* Create a node with a given local address and
* a set of Routers.
* @param addr Address for the local node
* @param realm the Realm or Namespace this node belongs to
*/
protected Node(Address addr, string realm)
{
//Start with the address hashcode:
_sync = new Object();
lock(_sync)
{
DemuxHandler = new DemuxHandler();
/*
* Make all the hashtables :
*/
_local_add = AddressParser.Parse( addr.ToMemBlock() );
_realm = String.Intern(realm);
/* Set up the heartbeat */
_heart_period = 500; //500 ms, or 1/2 second.
_heartbeat_handlers = new Dictionary<EventHandler, Brunet.Util.FuzzyEvent>();
_task_queue = new NodeTaskQueue(this);
_packet_queue = new BCon.LFBlockingQueue<IAction>();
_running = 0;
_send_pings = 1;
_LOG = ProtocolLog.Monitor.Enabled;
_connection_table = new ConnectionTable(new DefaultERPolicy(addr));
_connection_table.ConnectionEvent += this.ConnectionHandler;
LockMgr = new ConnectionLockManager(_connection_table);
//We start off offline.
_con_state = Node.ConnectionState.Offline;
/* Set up the ReqrepManager as a filter */
_rrm = new ReqrepManager(this.ToString());
DemuxHandler.GetTypeSource(PType.Protocol.ReqRep).Subscribe(_rrm, null);
_rrm.Subscribe(this, null);
this.HeartBeatEvent += _rrm.TimeoutChecker;
/* Set up RPC */
_rpc = new RpcManager(_rrm);
DemuxHandler.GetTypeSource( PType.Protocol.Rpc ).Subscribe(_rpc, null);
//Add a map-reduce handlers:
_mr_handler = new MR.MapReduceHandler(this);
//Subscribe it with the RPC handler:
_rpc.AddHandler("mapreduce", _mr_handler);
/*
* Where there is a change in the Connections, we might have a state
* change
*/
_connection_table.ConnectionEvent += this.CheckForStateChange;
_connection_table.DisconnectionEvent += this.CheckForStateChange;
#if !BRUNET_SIMULATOR
_codeinjection = new Brunet.Services.CodeInjection(this);
_codeinjection.LoadLocalModules();
#endif
/*
* We must later make sure the EdgeEvent events from
* any EdgeListeners are connected to _cph.EdgeHandler
*/
/**
* Here are the protocols that every edge must support
*/
/* Here are the transport addresses */
_remote_ta = ImmutableList<TransportAddress>.Empty;
/*@throw ArgumentNullException if the list ( new ArrayList()) is null.
*/
/* EdgeListener's */
_edgelistener_list = new ArrayList();
_co_list = new List<ConnectionOverlord>();
_edge_factory = new EdgeFactory();
_ta_discovery = ImmutableList<Discovery>.Empty;
StateChangeEvent += HandleTADiscoveryState;
/* Initialize this at 15 seconds */
_connection_timeout = new TimeSpan(0,0,0,0,15000);
//Check the edges from time to time
IAction cec_act = new HeartBeatAction(this, this.CheckEdgesCallback);
_check_edges = Brunet.Util.FuzzyTimer.Instance.DoEvery(delegate(DateTime dt) {
this.EnqueueAction(cec_act);
}, 5000, 500);
}
}
public SymphonyVerification(ConnectionTable ct)
{
_ct = ct;
}
/// <summary>
/// Remove a database connection object by handle.
/// </summary>
/// <param name="ConnectionHandle">Supplies a handle to the database
/// connection to delete.</param>
/// <returns>True of the operation succeeded.</returns>
public static bool DestroyDatabaseConnection(int ConnectionHandle)
{
return(ConnectionTable.Remove(ConnectionHandle));
}
public void SetTable(ref ConnectionTable connectionTable)
{
_connectionTable = connectionTable;
_control.SetTable(ref connectionTable);
}
