public void LogicalRouteTable_ComputeDistance()
{
const string logicalEP = "logical://test";
MsgRouter router;
LogicalRouteTable routes;
// Compute distances from a leaf router
router = new MsgRouter();
router.RouterEP = "physical://root/hub0/leaf0";
router.TcpEP = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 10);
routes = new LogicalRouteTable(router);
Assert.AreEqual(RouteDistance.Process, routes.ComputeDistance(new LogicalRoute(logicalEP, "test.msg", MsgHandler.Stub)));
Assert.AreEqual(RouteDistance.Process, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf0", IPAddress.Parse("10.0.0.1")))));
Assert.AreEqual(RouteDistance.Machine, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf0a", IPAddress.Parse("10.0.0.1")))));
Assert.AreEqual(RouteDistance.Subnet, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.2")))));
Assert.AreEqual(RouteDistance.Subnet, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0", IPAddress.Parse("10.0.0.3")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.4")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1/leaf0", IPAddress.Parse("10.0.0.1")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1/leaf1", IPAddress.Parse("10.0.0.2")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1", IPAddress.Parse("10.0.0.3")))));
// Compute distances from a hub router.
router = new MsgRouter();
router.RouterEP = "physical://root/hub0";
router.TcpEP = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 10);
routes = new LogicalRouteTable(router);
Assert.AreEqual(RouteDistance.Process, routes.ComputeDistance(new LogicalRoute(logicalEP, "test.msg", MsgHandler.Stub)));
Assert.AreEqual(RouteDistance.Subnet, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf0", IPAddress.Parse("10.0.0.2")))));
Assert.AreEqual(RouteDistance.Subnet, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.3")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.4")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1/leaf0", IPAddress.Parse("10.0.0.1")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1/leaf1", IPAddress.Parse("10.0.0.2")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1", IPAddress.Parse("10.0.0.3")))));
// Compute distances from a root router.
router = new MsgRouter();
router.RouterEP = "physical://root";
router.TcpEP = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 10);
routes = new LogicalRouteTable(router);
Assert.AreEqual(RouteDistance.Process, routes.ComputeDistance(new LogicalRoute(logicalEP, "test.msg", MsgHandler.Stub)));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0", IPAddress.Parse("10.0.0.2")))));
Assert.AreEqual(RouteDistance.External, routes.ComputeDistance(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf0", IPAddress.Parse("10.0.0.3")))));
}
public void LogicalRouteTable_Flush()
{
MsgRouter router = new MsgRouter();
LogicalRouteTable routes = new LogicalRouteTable(router);
DateTime sysNow = SysTime.Now;
TimeSpan ttl = TimeSpan.FromSeconds(2);
List <LogicalRoute> matches;
router.PhysicalRoutes = new PhysicalRouteTable(router, TimeSpan.FromMinutes(1));
router.RouterEP = "physical://root/hub/leaf";
router.Start(IPAddress.Any, null, new IPEndPoint(IPAddress.Any, 0), new IPEndPoint(IPAddress.Any, 0), 100, TimeSpan.FromMinutes(1));
try
{
routes.Add(new LogicalRoute("logical://foo", new PhysicalRoute("physical://root/hub/leaf0", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 15), new IPEndPoint(IPAddress.Loopback, 10), sysNow + ttl)));
routes.Add(new LogicalRoute("logical://foo", new PhysicalRoute("physical://root/hub/leaf0", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 25), new IPEndPoint(IPAddress.Loopback, 20), sysNow + ttl)));
routes.Add(new LogicalRoute("logical://bar", new PhysicalRoute("physical://root/hub/leaf1", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 35), new IPEndPoint(IPAddress.Loopback, 30), sysNow + ttl)));
routes.Add(new LogicalRoute("logical://bar", new PhysicalRoute("physical://root/hub/leaf1", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 45), new IPEndPoint(IPAddress.Loopback, 40), sysNow + ttl)));
matches = routes.GetRoutes("logical://foo");
Assert.AreEqual(2, matches.Count);
matches = routes.GetRoutes("logical://bar");
Assert.AreEqual(2, matches.Count);
router.AddPhysicalRoute("physical://root/hub/leaf0", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 15), new IPEndPoint(IPAddress.Loopback, 10));
router.AddPhysicalRoute("physical://root/hub/leaf1", "", "", MsgRouterInfo.Default, Guid.Empty, new IPEndPoint(IPAddress.Loopback, 45), new IPEndPoint(IPAddress.Loopback, 40));
routes.Flush();
matches = routes.GetRoutes("logical://foo");
Assert.AreEqual(1, matches.Count);
Assert.AreEqual(10, matches[0].PhysicalRoute.TcpEP.NetEP.Port);
matches = routes.GetRoutes("logical://bar");
Assert.AreEqual(1, matches.Count);
Assert.AreEqual(40, matches[0].PhysicalRoute.TcpEP.NetEP.Port);
}
finally
{
router.Stop();
}
}
public void LogicalRouteTable_Lookup()
{
MsgRouter router = new MsgRouter();
LogicalRouteTable routes = new LogicalRouteTable(router);
DateTime sysNow = SysTime.Now;
TimeSpan ttl = TimeSpan.FromSeconds(2);
List <LogicalRoute> matches;
string[] s;
Assert.AreEqual(0, routes.Count);
Assert.AreEqual(0, routes.GetRoutes("logical://foo").Count);
routes.Add(new LogicalRoute("logical://foo", new PhysicalRoute("physical://root0", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
Assert.AreEqual(1, routes.GetRoutes("logical://foo").Count);
Assert.AreEqual(new MsgEP("physical://root0"), routes.GetRoutes("logical://foo")[0].PhysicalRoute.RouterEP);
Assert.AreEqual(0, routes.GetRoutes("logical://bar").Count);
routes.Add(new LogicalRoute("logical://foo", new PhysicalRoute("physical://root1", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
matches = routes.GetRoutes("logical://foo");
Assert.AreEqual(2, matches.Count);
s = new string[2];
s[0] = matches[0].PhysicalRoute.RouterEP.ToString();
s[1] = matches[1].PhysicalRoute.RouterEP.ToString();
Array.Sort(s);
Assert.AreEqual("physical://root0", s[0]);
Assert.AreEqual("physical://root1", s[1]);
Assert.AreEqual(0, routes.GetRoutes("logical://bar").Count);
matches = routes.GetRoutes("logical://*");
Assert.AreEqual(2, matches.Count);
s = new string[2];
s[0] = matches[0].PhysicalRoute.RouterEP.ToString();
s[1] = matches[1].PhysicalRoute.RouterEP.ToString();
Array.Sort(s);
Assert.AreEqual("physical://root0", s[0]);
Assert.AreEqual("physical://root1", s[1]);
routes.Add(new LogicalRoute("logical://bar", new PhysicalRoute("physical://root2", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
routes.Add(new LogicalRoute("logical://foo/bar", new PhysicalRoute("physical://root3", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
routes.Add(new LogicalRoute("logical://foo/bar0", new PhysicalRoute("physical://root4", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
routes.Add(new LogicalRoute("logical://foo/bar1", new PhysicalRoute("physical://root5", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
Assert.AreEqual(6, routes.Count);
matches = routes.GetRoutes("logical://*");
Assert.AreEqual(6, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root0", s[0]);
Assert.AreEqual("physical://root1", s[1]);
Assert.AreEqual("physical://root2", s[2]);
Assert.AreEqual("physical://root3", s[3]);
Assert.AreEqual("physical://root4", s[4]);
Assert.AreEqual("physical://root5", s[5]);
matches = routes.GetRoutes("logical://foo/*");
Assert.AreEqual(5, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root0", s[0]);
Assert.AreEqual("physical://root1", s[1]);
Assert.AreEqual("physical://root3", s[2]);
Assert.AreEqual("physical://root4", s[3]);
Assert.AreEqual("physical://root5", s[4]);
matches = routes.GetRoutes("logical://foo/bar0");
Assert.AreEqual(1, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root4", s[0]);
routes.Add(new LogicalRoute("logical://foo/bar/*", new PhysicalRoute("physical://root6", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
routes.Add(new LogicalRoute("logical://foobar/*", new PhysicalRoute("physical://root7", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
Assert.AreEqual(8, routes.Count);
matches = routes.GetRoutes("logical://foo/bar/test/1");
Assert.AreEqual(1, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root6", s[0]);
matches = routes.GetRoutes("logical://foobar/test/1");
Assert.AreEqual(1, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root7", s[0]);
matches = routes.GetRoutes("logical://*");
Assert.AreEqual(8, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root0", s[0]);
Assert.AreEqual("physical://root1", s[1]);
Assert.AreEqual("physical://root2", s[2]);
Assert.AreEqual("physical://root3", s[3]);
Assert.AreEqual("physical://root4", s[4]);
Assert.AreEqual("physical://root5", s[5]);
Assert.AreEqual("physical://root6", s[6]);
Assert.AreEqual("physical://root7", s[7]);
routes.Clear();
Assert.AreEqual(0, routes.Count);
Assert.AreEqual(0, routes.GetRoutes("logical://*").Count);
routes.Clear();
routes.Add(new LogicalRoute("logical://foo/bar/*", new PhysicalRoute("physical://root8", "", "", MsgRouterInfo.Default, Guid.Empty, null, null, sysNow + ttl)));
matches = routes.GetRoutes("logical://foo/bar/*");
Assert.AreEqual(1, matches.Count);
s = new string[matches.Count];
for (int i = 0; i < matches.Count; i++)
{
s[i] = matches[i].PhysicalRoute.RouterEP.ToString();
}
Array.Sort(s);
Assert.AreEqual("physical://root8", s[0]);
}
public void LogicalRouteTable_GetClosestRoutes()
{
const string logicalEP = "logical://test";
MsgRouter router;
LogicalRouteTable routes;
LogicalRoute route;
router = new MsgRouter();
router.RouterEP = "physical://root/hub0/leaf0";
router.TcpEP = new IPEndPoint(IPAddress.Parse("10.0.0.1"), 10);
routes = new LogicalRouteTable(router);
// Empty routing table
Assert.AreEqual(0, routes.GetClosestRoutes("logical://test").Count);
// Routing table with a variety of route distances
routes.Clear();
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.3"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf0", IPAddress.Parse("10.0.0.1"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.2"))));
Assert.AreEqual(1, routes.GetClosestRoutes(logicalEP).Count);
route = routes.GetClosestRoutes(logicalEP)[0];
Assert.AreEqual(RouteDistance.Process, route.Distance);
routes.Clear();
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.3"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.2"))));
Assert.AreEqual(1, routes.GetClosestRoutes(logicalEP).Count);
route = routes.GetClosestRoutes(logicalEP)[0];
Assert.AreEqual(RouteDistance.Subnet, route.Distance);
routes.Clear();
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.3"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0", IPAddress.Parse("10.0.0.2"))));
Assert.AreEqual(1, routes.GetClosestRoutes(logicalEP).Count);
route = routes.GetClosestRoutes(logicalEP)[0];
Assert.AreEqual(RouteDistance.Subnet, route.Distance);
routes.Clear();
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.3"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub1/leaf1", IPAddress.Parse("10.0.0.2"))));
Assert.AreEqual(2, routes.GetClosestRoutes(logicalEP).Count);
route = routes.GetClosestRoutes(logicalEP)[0];
Assert.AreEqual(RouteDistance.External, route.Distance);
route = routes.GetClosestRoutes(logicalEP)[1];
Assert.AreEqual(RouteDistance.External, route.Distance);
// Routing table with multiple routes at the same distance
routes.Clear();
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root", IPAddress.Parse("10.0.0.3"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.2"))));
routes.Add(new LogicalRoute(logicalEP, GetPhysRoute("physical://root/hub0/leaf1", IPAddress.Parse("10.0.0.4"))));
Assert.AreEqual(2, routes.GetClosestRoutes(logicalEP).Count);
route = routes.GetClosestRoutes(logicalEP)[0];
Assert.AreEqual(RouteDistance.Subnet, route.Distance);
route = routes.GetClosestRoutes(logicalEP)[1];
Assert.AreEqual(RouteDistance.Subnet, route.Distance);
}
