public void SendDiscoveryRequest_TwoServersRespond()
{
// This test should test with more than one server but that would mean to have more local ips
// to bind to
var ips = GetAllIpv4Addresses().ToList();
var closetEndpoints = FindMostPopulatedSubnet(ips);
if (closetEndpoints.Count <= 1)
{
Assert.True(false, "System does not have more than 1 IP in the same 255.255.255.0 subnet to test with");
}
var received = new List <Tuple <ServerDiscoveryResponse, IpEndpoint> >();
using (var serverDiscovery = new BroadcastClient(new IpEndpoint(closetEndpoints.First(), 4000), 4338, 3, new NullTrace()))
{
var serializer = new Serializer <ISerializableMessage>();
serializer.AddType <ServerDiscoveryResponse>();
serializer.AddType <ServerDiscoveryRequest>();
var typedConnection = new TypedConnection <ISerializableMessage>(serverDiscovery.Connection, serializer);
typedConnection.NewMessage += (p1, p2, p3) =>
{
received.Add(Tuple.Create((ServerDiscoveryResponse)p2, serverDiscovery.CurrentEndpoint));
};
serverDiscovery.StartReceiving();
var amountConnections = new int[1];
var servers = new List <Server>();
ips = closetEndpoints;
int amountOfServer = ips.Count;
for (int i = 0; i < amountOfServer; i++)
{
var copyOfi = i + 1;
var server = new Server(new ServerConfiguration(new IpEndpoint(ips[i], 4338)), new NullTrace());
server.NewServerPeer += (server1, serverPeer) =>
{
serverPeer.NewConnection += (p1, p2) =>
{
amountConnections[0]++;
int runningId = 0;
var typed = new TypedConnection <ISerializableMessage>(p2, serializer);
typed.NewMessage += (p3, p4, p5) =>
{
var request = ((ServerDiscoveryRequest)p4);
var response = new ServerDiscoveryResponse {
ServerVersion = request.ClientVersion * copyOfi, RunningId = runningId++
};
typed.Send(response);
};
};
};
servers.Add(server);
server.StartReceiving();
}
try
{
for (int i = 0; i < 100; i++)
{
var receivedBefore = received.Count;
typedConnection.Send(new ServerDiscoveryRequest()
{
ClientVersion = i
});
System.Threading.Thread.Sleep(1);
Assert.True(Wait.UntilTrue(() => receivedBefore + amountOfServer == received.Count));
}
Assert.Equal(amountOfServer * 100, received.Count);
for (var index = 0; index < ips.Count; index++)
{
var ipAddress = ips[index];
var byIp = received.Where(_ => _.Item2.IpAddress.Equals(ipAddress)).ToList();
Assert.Equal(100, byIp.Count);
byIp.Sort((p1, p2) => p1.Item1.ServerVersion.CompareTo(p2.Item1.ServerVersion));
Assert.Equal(Enumerable.Range(0, 100).Select(_ => _ * (1 + index)), byIp.Select(_ => _.Item1.ServerVersion));
}
}
finally
{
foreach (var server in servers)
{
server.Dispose();
}
}
}
}
