public void TestReliableChannelDoesNotDiscardsOldMessages()
{
// Create 3 packets, add them in the order 1, 3, 2.
// 2 should be discarded
var channel = new ReliableChannel();
channel.QueueIncomingPacket(EndPoint, new Packet(PacketType.Connect, Channel.Reliable, 1, new byte[0]));
channel.QueueIncomingPacket(EndPoint, new Packet(PacketType.Connect, Channel.Reliable, 3, new byte[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 0
}));
channel.QueueIncomingPacket(EndPoint, new Packet(PacketType.Connect, Channel.Reliable, 2, new byte[0]));
UnreliableChannel.PendingPacket packet;
Assert.IsTrue(channel.TryGetNextIncomingPacket(out packet));
Assert.IsNotNull(packet);
Assert.AreEqual(1, packet.Sequence);
Assert.IsTrue(channel.TryGetNextIncomingPacket(out packet));
Assert.IsNotNull(packet);
Assert.AreEqual(3, packet.Sequence);
Assert.AreEqual(new byte[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 0
}, packet.Data);
Assert.IsFalse(channel.TryGetNextIncomingPacket(out packet));
Assert.IsNull(packet);
}
public void TestReliableChannelResends()
{
var channel = new ReliableChannel();
channel.QueueOutgoingPacket(EndPoint, new Packet(PacketType.Connect, Channel.Reliable, 1, new byte[0]));
UnreliableChannel.PendingPacket[] packets = channel.GetPendingOutgoingPackets().ToArray();
Assert.IsNotEmpty(packets);
Assert.AreEqual(1, packets[0].Sequence);
channel.QueueIncomingPacket(EndPoint, new Packet(PacketType.Ack, Channel.Reliable, (ushort)packets[0].Sequence, new byte[0]));
packets = channel.GetPendingIncomingPackets().ToArray();
Assert.IsEmpty(packets);
channel.QueueOutgoingPacket(EndPoint, new Packet(PacketType.Connect, Channel.Reliable, 2, new byte[0]));
packets = channel.GetPendingOutgoingPackets().ToArray();
Assert.IsNotEmpty(packets);
Assert.AreEqual(2, packets[0].Sequence);
Thread.Sleep(600);
packets = channel.GetPendingOutgoingPackets().ToArray();
Assert.IsNotEmpty(packets);
Assert.AreEqual(2, packets[0].Sequence);
Thread.Sleep(600);
packets = channel.GetPendingOutgoingPackets().ToArray();
Assert.IsNotEmpty(packets);
Assert.AreEqual(2, packets[0].Sequence);
channel.QueueIncomingPacket(EndPoint, new Packet(PacketType.Ack, Channel.Reliable, (ushort)packets[0].Sequence, new byte[0]));
packets = channel.GetPendingIncomingPackets().ToArray();
Assert.IsEmpty(packets);
packets = channel.GetPendingOutgoingPackets().ToArray();
Assert.IsEmpty(packets);
}
