public void ClientDisconnectTest()
{
using (ThreadLimitedUdpConnectionListener listener = new ThreadLimitedUdpConnectionListener(2, new IPEndPoint(IPAddress.Any, 4296), new NullLogger()))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
ManualResetEvent mutex = new ManualResetEvent(false);
ManualResetEvent mutex2 = new ManualResetEvent(false);
listener.NewConnection += delegate(NewConnectionEventArgs args)
{
args.Connection.Disconnected += delegate(object sender2, DisconnectedEventArgs args2)
{
mutex2.Set();
};
mutex.Set();
};
listener.Start();
connection.Connect();
mutex.WaitOne();
connection.Disconnect("Testing");
mutex2.WaitOne();
}
}
public void PingDisconnectClientTest()
{
#if DEBUG
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
listener.Start();
connection.Connect();
// After connecting, quietly stop responding to all messages to fake connection loss.
Thread.Sleep(10);
listener.TestDropRate = 1;
connection.KeepAliveInterval = 100;
Thread.Sleep(1050); //Enough time for ~10 keep alive packets
Assert.AreEqual(ConnectionState.NotConnected, connection.State);
Assert.AreEqual(3 * connection.MissingPingsUntilDisconnect + 4, connection.Statistics.TotalBytesSent); // + 4 for connecting overhead
}
#else
Assert.Inconclusive("Only works in DEBUG");
#endif
}
public void ClientServerDisposeDisconnectsTest()
{
IPEndPoint ep = new IPEndPoint(IPAddress.Loopback, 4296);
bool serverConnected = false;
bool serverDisconnected = false;
bool clientDisconnected = false;
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(ep))
{
listener.NewConnection += (evt) =>
{
serverConnected = true;
evt.Connection.Disconnected += (o, et) => serverDisconnected = true;
};
connection.Disconnected += (o, et) => clientDisconnected = true;
listener.Start();
connection.Connect();
Thread.Sleep(100); // Gotta wait for the server to set up the events.
connection.Dispose();
Thread.Sleep(100);
Assert.IsTrue(serverConnected);
Assert.IsTrue(serverDisconnected);
Assert.IsFalse(clientDisconnected);
}
}
public void KeepAliveServerTest()
{
ManualResetEvent mutex = new ManualResetEvent(false);
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
UdpConnection client = null;
listener.NewConnection += delegate(NewConnectionEventArgs args)
{
client = (UdpConnection)args.Connection;
client.KeepAliveInterval = 100;
Thread.Sleep(1050); //Enough time for ~10 keep alive packets
mutex.Set();
};
listener.Start();
connection.Connect();
mutex.WaitOne();
Assert.AreEqual(ConnectionState.Connected, client.State);
Assert.IsTrue(
client.Statistics.TotalBytesSent >= 27 &&
client.Statistics.TotalBytesSent <= 50,
"Sent: " + client.Statistics.TotalBytesSent
);
}
}
public void ServerExtraDataDisconnectTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
MessageReader received = null;
ManualResetEvent mutex = new ManualResetEvent(false);
connection.Disconnected += delegate(object sender, DisconnectedEventArgs args)
{
received = args.Message;
mutex.Set();
};
listener.NewConnection += delegate(NewConnectionEventArgs args)
{
MessageWriter writer = MessageWriter.Get(SendOption.None);
writer.Write("Goodbye");
args.Connection.Disconnect("Testing", writer);
};
listener.Start();
connection.Connect();
mutex.WaitOne();
Assert.IsNotNull(received);
Assert.AreEqual("Goodbye", received.ReadString());
}
}
public void KeepAliveServerTest()
{
ManualResetEvent mutex = new ManualResetEvent(false);
UdpConnection listenerConnectionToClient = null;
using (UdpConnectionListener listener = new UdpConnectionListener(new NetworkEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296)))
{
listener.NewConnection += delegate(object sender, NewConnectionEventArgs args)
{
listenerConnectionToClient = (UdpConnection)args.Connection;
listenerConnectionToClient.KeepAliveInterval = 100;
Thread.Sleep(1050); //Enough time for ~10 keep alive packets
mutex.Set();
};
listener.Start();
connection.Connect();
mutex.WaitOne();
Assert.IsNotNull(listenerConnectionToClient);
Assert.IsTrue(
listenerConnectionToClient.Statistics.TotalBytesSent >= 30 &&
listenerConnectionToClient.Statistics.TotalBytesSent <= 50,
"Sent: " + listenerConnectionToClient.Statistics.TotalBytesSent
);
}
}
public void UdpUnreliableMessageSendTest()
{
byte[] TestData = new byte[] { 1, 2, 3, 4, 5, 6 };
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
MessageReader output = null;
listener.NewConnection += delegate(NewConnectionEventArgs e)
{
e.Connection.DataReceived += delegate(DataReceivedEventArgs evt)
{
output = evt.Message;
};
};
listener.Start();
connection.Connect();
for (int i = 0; i < 4; ++i)
{
var msg = MessageWriter.Get(SendOption.None);
msg.Write(TestData);
connection.Send(msg);
msg.Recycle();
}
Thread.Sleep(10);
for (int i = 0; i < TestData.Length; ++i)
{
Assert.AreEqual(TestData[i], output.ReadByte());
}
}
}
public void KeepAliveServerTest()
{
ManualResetEvent mutex = new ManualResetEvent(false);
using (UdpConnectionListener listener = new UdpConnectionListener(IPAddress.Any, 4296))
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296)))
{
listener.NewConnection += delegate(object sender, NewConnectionEventArgs args)
{
((UdpConnection)args.Connection).KeepAliveInterval = 100;
Thread.Sleep(1100); //Enough time for ~10 keep alive packets
Assert.IsTrue(
args.Connection.Statistics.TotalBytesSent >= 27 &&
args.Connection.Statistics.TotalBytesSent <= 33,
"Received: " + args.Connection.Statistics.TotalBytesSent
);
mutex.Set();
};
listener.Start();
connection.Connect();
mutex.WaitOne();
}
}
public void UdpIPv4ConnectionTest()
{
using (ThreadLimitedUdpConnectionListener listener = new ThreadLimitedUdpConnectionListener(2, new IPEndPoint(IPAddress.Any, 4296), new NullLogger()))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
listener.Start();
connection.Connect();
}
}
public void UdpIPv4ConnectionTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new NetworkEndPoint(IPAddress.Any, 4296, IPMode.IPv4)))
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296, IPMode.IPv4)))
{
listener.Start();
connection.Connect();
}
}
public void UdpIPv6ConnectionTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.IPv6Any, 4296), IPMode.IPv6))
{
listener.Start();
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 4296), IPMode.IPv6))
{
connection.Connect();
}
}
}
public void UdpHandshakeTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new NetworkEndPoint(IPAddress.Any, 4296, IPMode.IPv4)))
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296, IPMode.IPv4)))
{
listener.Start();
listener.NewConnection += delegate(object sender, NewConnectionEventArgs e)
{
Assert.IsTrue(Enumerable.SequenceEqual(e.HandshakeData, new byte[] { 1, 2, 3, 4, 5, 6 }));
};
connection.Connect(new byte[] { 1, 2, 3, 4, 5, 6 });
}
}
// [TestMethod]
public void StressTestOpeningConnections()
{
// Start a listener in another process, or even better,
// adjust the target IP and start listening on another computer.
var ep = new IPEndPoint(IPAddress.Loopback, 22023);
Parallel.For(0, 10000,
new ParallelOptions {
MaxDegreeOfParallelism = 64
},
(i) => {
var connection = new UdpClientConnection(ep);
connection.KeepAliveInterval = 50;
connection.Connect(new byte[5]);
});
}
public void TcpDualModeConnectionTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(IPAddress.Any, 4296, IPMode.IPv4AndIPv6))
{
listener.Start();
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296, IPMode.IPv4)))
{
connection.Connect();
}
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296, IPMode.IPv4AndIPv6)))
{
connection.Connect();
}
}
}
public void KeepAliveClientTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new NetworkEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new NetworkEndPoint(IPAddress.Loopback, 4296)))
{
listener.Start();
connection.Connect();
connection.KeepAliveInterval = 100;
System.Threading.Thread.Sleep(1050); //Enough time for ~10 keep alive packets
Assert.IsTrue(
connection.Statistics.TotalBytesSent >= 30 &&
connection.Statistics.TotalBytesSent <= 50,
"Sent: " + connection.Statistics.TotalBytesSent
);
}
}
public void UdpFieldTest()
{
NetworkEndPoint ep = new NetworkEndPoint(IPAddress.Loopback, 4296);
using (UdpConnectionListener listener = new UdpConnectionListener(new NetworkEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(ep))
{
listener.Start();
connection.Connect();
//Connection fields
Assert.AreEqual(ep, connection.EndPoint);
//UdpConnection fields
Assert.AreEqual(new IPEndPoint(IPAddress.Loopback, 4296), connection.RemoteEndPoint);
Assert.AreEqual(1, connection.Statistics.DataBytesSent);
Assert.AreEqual(0, connection.Statistics.DataBytesReceived);
}
}
public void KeepAliveClientTest()
{
using (ThreadLimitedUdpConnectionListener listener = new ThreadLimitedUdpConnectionListener(2, new IPEndPoint(IPAddress.Any, 4296), new NullLogger()))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
listener.Start();
connection.Connect();
connection.KeepAliveInterval = 100;
Thread.Sleep(1050); //Enough time for ~10 keep alive packets
Assert.AreEqual(ConnectionState.Connected, connection.State);
Assert.IsTrue(
connection.Statistics.TotalBytesSent >= 30 &&
connection.Statistics.TotalBytesSent <= 50,
"Sent: " + connection.Statistics.TotalBytesSent
);
}
}
public void ServerExtraDataDisconnectTest()
{
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
string received = null;
ManualResetEvent mutex = new ManualResetEvent(false);
connection.Disconnected += delegate(object sender, DisconnectedEventArgs args)
{
// We don't own the message, we have to read the string now
received = args.Message.ReadString();
mutex.Set();
};
listener.NewConnection += delegate(NewConnectionEventArgs args)
{
// As it turns out, the UdpConnectionListener can have an issue on loopback where the disconnect can happen before the hello confirm
// Tossing it on a different thread makes this test more reliable. Perhaps something to think about elsewhere though.
Task.Run(async() =>
{
await Task.Delay(1);
MessageWriter writer = MessageWriter.Get(SendOption.None);
writer.Write("Goodbye");
args.Connection.Disconnect("Testing", writer);
});
};
listener.Start();
connection.Connect();
mutex.WaitOne();
Assert.IsNotNull(received);
Assert.AreEqual("Goodbye", received);
}
}
public void UdpHandshakeTest()
{
byte[] TestData = new byte[] { 1, 2, 3, 4, 5, 6 };
using (UdpConnectionListener listener = new UdpConnectionListener(new IPEndPoint(IPAddress.Any, 4296)))
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Loopback, 4296)))
{
listener.Start();
MessageReader output = null;
listener.NewConnection += delegate(NewConnectionEventArgs e)
{
output = e.HandshakeData;
};
connection.Connect(TestData);
Thread.Sleep(10);
for (int i = 0; i < TestData.Length; ++i)
{
Assert.AreEqual(TestData[i], output.ReadByte());
}
}
}
public void MixedConnectionTest()
{
using (UdpConnectionListener listener2 = new UdpConnectionListener(new IPEndPoint(IPAddress.IPv6Any, 4296), IPMode.IPv6))
{
listener2.Start();
listener2.NewConnection += (evt) =>
{
Console.WriteLine("v6 connection: " + ((NetworkConnection)evt.Connection).GetIP4Address());
};
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 4296)))
{
connection.Connect();
Assert.AreEqual(ConnectionState.Connected, connection.State);
}
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.IPv6Loopback, 4296), IPMode.IPv6))
{
connection.Connect();
Assert.AreEqual(ConnectionState.Connected, connection.State);
}
}
}
public void MixedConnectionTest()
{
using (ThreadLimitedUdpConnectionListener listener2 = new ThreadLimitedUdpConnectionListener(4, new IPEndPoint(IPAddress.IPv6Any, 4296), new ConsoleLogger(), IPMode.IPv6))
{
listener2.Start();
listener2.NewConnection += (evt) =>
{
Console.WriteLine($"Connection: {evt.Connection.EndPoint}");
};
using (UdpConnection connection = new UdpClientConnection(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 4296)))
{
connection.Connect();
Assert.AreEqual(ConnectionState.Connected, connection.State);
}
using (UdpConnection connection2 = new UdpClientConnection(new IPEndPoint(IPAddress.IPv6Loopback, 4296), IPMode.IPv6))
{
connection2.Connect();
Assert.AreEqual(ConnectionState.Connected, connection2.State);
}
}
}
public bool Connect(IPAddress address, int port)
{
CreateConnection(address, port);
connection.Connect();
return(IsConnected);
}