/// <summary>
/// Create a new database connection object and return a handle to it.
/// </summary>
/// <param name="ConnectionString">Supplies the connection string.
/// </param>
/// <param name="Flags">Supplies control flags.</param>
/// <returns>The connection handle.</returns>
public static int CreateScriptDatabaseConnection(string ConnectionString, ScriptDatabaseConnectionFlags Flags)
{
int Handle;
ScriptDatabaseConnection Connection;
if (Flags.HasFlag(ScriptDatabaseConnectionFlags.StandardConnection))
{
Handle = 0;
if (StandardConnection == null)
{
ConnectionString = GetStandardDatabaseConnectionString();
Connection = new ScriptDatabaseConnection(ConnectionString, Flags);
StandardConnection = Connection;
ModuleLinkage.DefaultDatabase = StandardConnection.Database;
ConnectionTable.Add(Handle, Connection);
}
}
else
{
Connection = new ScriptDatabaseConnection(ConnectionString, Flags);
Handle = ++NextConnectionHandle;
if (Handle == 0)
{
Handle = ++NextConnectionHandle;
}
ConnectionTable.Add(Handle, Connection);
}
if (Flags.HasFlag(ScriptDatabaseConnectionFlags.StandardQueryLog) && StandardQueryLogger == null)
{
try
{
StandardQueryLogger = new StreamWriter(ALFA.SystemInfo.GetNWNX4InstallationDirectory() + "StandardQueryLog.txt");
}
catch (Exception e)
{
Logger.Log("ScriptDatabaseConnection.CreateScriptDatabaseConnection: Couldn't open standard query log (StandardQueryLog.txt in NWNX4 directory): Exception: {0}", e);
}
}
return(Handle);
}
public void Test()
{
ITunnelOverlap _ito = new SimpleTunnelOverlap();
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!");
}
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!");
}
/**
* Get a StatusMessage for this node
*/
public IDictionary GetStatus(IDictionary status_message, ISender edge)
{
//we just got s status request
if (1 == _disconnecting)
{
throw new AdrException((int)ErrorMessage.ErrorCode.Disconnecting, "disconnecting");
}
StatusMessage sm = new StatusMessage(status_message);
Edge from = GetEdge(edge);
if (ProtocolLog.LinkDebug.Enabled)
{
ProtocolLog.Write(ProtocolLog.LinkDebug, String.Format(
"{0} -start- sys:link.GetStatus({1},{2})", _node.Address, sm, edge));
}
CphState cphstate = null;
if (from != null)
{
cphstate = _edge_to_cphstate[from] as CphState;
}
/**
* StatusMessage objects are used to verify the completion
* of the Link protocol. If we receive a StatusMessage request
* after we send a LinkMessage response, we know the other
* Node got our LinkMessage response, and the connection
* is active
*/
StatusMessage response = null;
ConnectionTable tab = _node.ConnectionTable;
if (cphstate != null)
{
try {
LinkMessage lm_to_add = cphstate.LM;
//This is part of connection process:
response = _node.GetStatus(sm.NeighborType, lm_to_add.Local.Address);
Connection con = new Connection(from,
lm_to_add.Local.Address,
lm_to_add.ConTypeString,
sm,
lm_to_add);
tab.Add(con);
}
finally {
from.CloseEvent -= this.CloseHandler;
CloseHandler(from, null);
}
}
else
{
//This is just a "regular" status request
//update our table:
Address fadd = null;
Connection c = tab.GetConnection(from);
if (c != null)
{
fadd = c.Address;
tab.UpdateStatus(c, sm);
}
response = _node.GetStatus(sm.NeighborType, fadd);
}
if (ProtocolLog.LinkDebug.Enabled)
{
ProtocolLog.Write(ProtocolLog.LinkDebug, String.Format(
"{0} -end- sys:link.GetStatus()->{1}", _node.Address, response));
}
return(response.ToDictionary());
}
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!");
}
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);
}
IRelayOverlap sto = new SimpleRelayOverlap();
IRelayOverlap nto = new NCRelayOverlap(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!");
}
