public async Task Receiving_from_ipv6_and_ipv4_should_work_when_receiving_from_any_source()
{
using (var udpClient = new UdpClient(this._bufferPool))
{
var ipv4ServerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
ipv4ServerSocket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
var bufferIpv4 = new byte[] { 1, 2, 3, 4 };
await udpClient.SendAsync(bufferIpv4, 0, bufferIpv4.Length, ipv4ServerSocket.LocalEndPoint);
udpClient.Ipv4LocalEndPoint.Should().NotBeNull();
var sendToIpv4 = new IPEndPoint(IPAddress.Loopback, ((IPEndPoint)udpClient.Ipv4LocalEndPoint).Port);
ipv4ServerSocket.SendTo(new byte[] { 10, 9, 8, 7 }, sendToIpv4);
var receiveBufferIpv4 = new byte[DatagramHeader.MaxUdpSize];
var receiveTaskIpv4 = udpClient.ReceiveAsync(receiveBufferIpv4, 0, new IPEndPoint(IPAddress.Any, 0));
receiveTaskIpv4.ExecutionTimeOf(x => x.Wait()).Should().BeLessOrEqualTo(TimeSpan.FromSeconds(5));
receiveBufferIpv4.Take(4).Should().Equal(10, 9, 8, 7);
var ipv6ServerSocket = new Socket(AddressFamily.InterNetworkV6, SocketType.Dgram, ProtocolType.Udp);
ipv6ServerSocket.Bind(new IPEndPoint(IPAddress.IPv6Loopback, 0));
var buffer2 = new byte[] { 10, 20, 30, 40 };
await udpClient.SendAsync(buffer2, 0, buffer2.Length, ipv6ServerSocket.LocalEndPoint);
udpClient.Ipv6LocalEndPoint.Should().NotBeNull();
var sendToIpv6 = new IPEndPoint(IPAddress.IPv6Loopback, ((IPEndPoint)udpClient.Ipv6LocalEndPoint).Port);
ipv6ServerSocket.SendTo(new byte[] { 100, 90, 80, 70 }, sendToIpv6);
var receiveBufferIpv6 = new byte[DatagramHeader.MaxUdpSize];
var receiveTaskIpv6 = udpClient.ReceiveAsync(receiveBufferIpv6, 0, new IPEndPoint(IPAddress.Any, 0));
receiveTaskIpv6.ExecutionTimeOf(x => x.Wait()).Should().BeLessOrEqualTo(TimeSpan.FromSeconds(5));
receiveBufferIpv6.Take(4).Should().Equal(100, 90, 80, 70);
}
}
public void Trying_to_receive_without_send_or_bind_should_throw()
{
using (var udpClient = new UdpClient(this._bufferPool))
{
udpClient
.Awaiting(x => x.ReceiveAsync(new byte[DatagramHeader.MaxUdpSize], 0, FakeEndPoints.CreateRemote()))
.Should()
.Throw <InvalidOperationException>();
}
}
public async Task Trying_to_receive_different_IP_type_before_corresponding_bind(bool ipv4OrIpv6, bool bindOrSend)
{
UdpClient udpClient;
IPEndPoint bindEndPoint;
IPEndPoint mismatchingReceiveEndPoint;
if (ipv4OrIpv6)
{
bindEndPoint = new IPEndPoint(IPAddress.Loopback, 12345);
mismatchingReceiveEndPoint = new IPEndPoint(IPAddress.IPv6Loopback, 12345);
}
else
{
bindEndPoint = new IPEndPoint(IPAddress.IPv6Loopback, 12345);
mismatchingReceiveEndPoint = new IPEndPoint(IPAddress.Loopback, 12345);
}
var remoteEndPoint = new IPEndPoint(bindEndPoint.Address, bindEndPoint.Port + 1);
if (bindOrSend)
{
udpClient = new UdpClient(bindEndPoint, this._bufferPool);
}
else
{
udpClient = new UdpClient(this._bufferPool);
await udpClient
.SendAsync(new byte[1], 0, 1, remoteEndPoint)
.ConfigureAwait(true);
}
var buffer = new byte[DatagramHeader.MaxUdpSize];
using (udpClient)
{
udpClient
.Awaiting(x => x.ReceiveAsync(buffer, 0, mismatchingReceiveEndPoint))
.Should()
.Throw <InvalidOperationException>();
}
}