public async Task TestHandlingDuplicatePackets() {
using (var server = new TestNode()) {
server.ListenAsync();
using (var client = new TestNode()) {
await client.ConnectAsync();
var payload = GenerateRandomBytes(200);
var startingSequenceNumber = client.RemoteConnection.SequenceNumber;
for (int i = 0; i < 10; i++) {
var packet = client.BuildReliableDataPacket(payload, 0, payload.Length, (ushort)(startingSequenceNumber + i));
var sendSequenceNumber = (ushort)client.RemoteConnection.IncrementSequenceNumber();
// Send duplicates
client.SendToSequenced(client.RemoteConnection, sendSequenceNumber, packet, true);
client.SendToSequenced(client.RemoteConnection, sendSequenceNumber, packet, true);
client.SendToSequenced(client.RemoteConnection, sendSequenceNumber, packet, true);
}
for (int i = 0; i < 10; i++) {
using (var result = await server.ReadMessage()) {
Assert.True(result.Payload.SequenceEqual(payload));
}
}
}
}
}
private async Task SendPayloads(TestNode server, TestNode client, byte[][] payloads) {
for (int i = 0; i < payloads.Length; i++) {
client.SendDataAsync(payloads[i]);
using (var result = await server.ReadMessage()) {
Assert.True(result.Payload.SequenceEqual(payloads[i]));
}
}
}
private async Task VerifySentPayloads(TestNode server, byte[][] payloads) {
for (int i = 0; i < payloads.Length; i++) {
using (var result = await server.ReadMessage()) {
Assert.True(result.Payload.SequenceEqual(payloads[i]));
}
}
}
public async Task ManySimpleMessageTestWithoutWaiting(byte[][] payloads, int latency, int dropPercentage) {
using (var server = new TestNode()) {
using (var client = new TestNode(new TestSettings(latency, dropPercentage))) {
server.ListenAsync();
await client.ConnectAsync();
for (int n = 0; n < 50; n++) {
for (int i = 0; i < payloads.Length; i++) {
client.SendDataAsync(payloads[i]);
}
}
for (int n = 0; n < 50; n++) {
for (int i = 0; i < payloads.Length; i++) {
using (var result = await server.ReadMessage()) {
Assert.True(result.Payload.SequenceEqual(payloads[i]));
}
}
}
await client.DisconnectAsync();
}
}
}