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99 行
4.1 KiB
99 行
4.1 KiB
#if MULTIPLAYER_TOOLS
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#if MULTIPLAYER_TOOLS_1_0_0_PRE_7
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using System.Collections;
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using NUnit.Framework;
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using Unity.Collections;
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using Unity.Multiplayer.Tools.MetricTypes;
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using Unity.Netcode.TestHelpers.Runtime;
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using Unity.Netcode.TestHelpers.Runtime.Metrics;
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using Unity.Netcode.Transports.UTP;
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#if UTP_TRANSPORT_2_0_ABOVE
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using Unity.Networking.Transport.Utilities;
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#endif
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using UnityEngine.TestTools;
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namespace Unity.Netcode.RuntimeTests.Metrics
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{
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public class PacketLossMetricsTests : NetcodeIntegrationTest
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{
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protected override int NumberOfClients => 1;
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private readonly int m_PacketLossRate = 25;
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private readonly int m_PacketLossRangeDelta = 3;
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private readonly int m_MessageSize = 200;
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public PacketLossMetricsTests()
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: base(HostOrServer.Server)
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{ }
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protected override void OnServerAndClientsCreated()
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{
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var clientTransport = (UnityTransport)m_ClientNetworkManagers[0].NetworkConfig.NetworkTransport;
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#if !UTP_TRANSPORT_2_0_ABOVE
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clientTransport.SetDebugSimulatorParameters(0, 0, m_PacketLossRate);
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#endif
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// Determined through trial and error. With both UTP 1.2 and 2.0, this random seed
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// results in an effective packet loss percentage between 22% and 28%. Future UTP
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// updates may change the RNG call patterns and cause this test to fail, in which
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// case the value should be modified again.
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clientTransport.DebugSimulatorRandomSeed = 4;
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base.OnServerAndClientsCreated();
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}
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[UnityTest]
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public IEnumerator TrackPacketLossAsServer()
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{
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var waitForPacketLossMetric = new WaitForGaugeMetricValues((m_ServerNetworkManager.NetworkMetrics as NetworkMetrics).Dispatcher,
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NetworkMetricTypes.PacketLoss,
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metric => metric == 0.0d);
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for (int i = 0; i < 1000; ++i)
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{
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using var writer = new FastBufferWriter(m_MessageSize, Allocator.Persistent);
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writer.WriteBytesSafe(new byte[m_MessageSize]);
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m_ServerNetworkManager.CustomMessagingManager.SendNamedMessage("Test", m_ServerNetworkManager.ConnectedClientsIds, writer);
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}
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yield return waitForPacketLossMetric.WaitForMetricsReceived();
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var packetLossValue = waitForPacketLossMetric.AssertMetricValueHaveBeenFound();
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Assert.AreEqual(0d, packetLossValue);
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}
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[UnityTest]
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public IEnumerator TrackPacketLossAsClient()
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{
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double packetLossRateMinRange = (m_PacketLossRate - m_PacketLossRangeDelta) / 100d;
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double packetLossRateMaxrange = (m_PacketLossRate + m_PacketLossRangeDelta) / 100d;
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var clientNetworkManager = m_ClientNetworkManagers[0];
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#if UTP_TRANSPORT_2_0_ABOVE
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var clientTransport = (UnityTransport)clientNetworkManager.NetworkConfig.NetworkTransport;
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clientTransport.NetworkDriver.CurrentSettings.TryGet<SimulatorUtility.Parameters>(out var parameters);
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parameters.PacketDropPercentage = m_PacketLossRate;
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clientTransport.NetworkDriver.ModifySimulatorStageParameters(parameters);
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#endif
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var waitForPacketLossMetric = new WaitForGaugeMetricValues((clientNetworkManager.NetworkMetrics as NetworkMetrics).Dispatcher,
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NetworkMetricTypes.PacketLoss,
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metric => packetLossRateMinRange <= metric && metric <= packetLossRateMaxrange);
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for (int i = 0; i < 1000; ++i)
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{
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using var writer = new FastBufferWriter(m_MessageSize, Allocator.Persistent);
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writer.WriteBytesSafe(new byte[m_MessageSize]);
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m_ServerNetworkManager.CustomMessagingManager.SendNamedMessage("Test", m_ServerNetworkManager.ConnectedClientsIds, writer);
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}
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yield return waitForPacketLossMetric.WaitForMetricsReceived();
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var packetLossValue = waitForPacketLossMetric.AssertMetricValueHaveBeenFound();
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Assert.That(packetLossValue, Is.InRange(packetLossRateMinRange, packetLossRateMaxrange));
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}
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}
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}
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#endif
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#endif
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