Initial Commit - Lesson 31 (Commit #1)

Plugins/GameLiftServerSDK/Source/GameLiftMetrics/Private/TickableCollector.cpp

@@ -0,0 +1,57 @@
+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include "TickableCollector.h"
+#include "TimeStats.h"
+#include "GameLiftMetrics.h"
+
+#include "Misc/App.h"
+
+namespace Aws {
+namespace GameLift {
+namespace Metrics {
+    GAMELIFT_METRICS_DEFINE_GAUGE(MetricServerUp);
+}
+}
+}
+
+#if WITH_GAMELIFT_METRICS
+void FTickableCollector::Tick(float)
+{
+    GAMELIFT_METRICS_SET(Aws::GameLift::Metrics::MetricServerUp, 1);
+
+    NetworkStats.Collect();
+    MemoryStats.Collect();
+
+    const double DeltaTime = FApp::GetDeltaTime();
+    GAMELIFT_METRICS_SET_SEC(Aws::GameLift::Metrics::MetricGameDeltaTime, DeltaTime);
+    if (bComputeFallbackGameThreadTime)
+    {
+        const double EstimatedGameThreadTime = DeltaTime - FApp::GetIdleTime();
+        GAMELIFT_METRICS_SET_SEC(Aws::GameLift::Metrics::MetricGameTickTime, EstimatedGameThreadTime);
+    }
+
+    // Re-emit specific metrics so that they don't go stale.
+    // Grafana reports no data for the metric after 5 minutes of it being stale.
+    FGameLiftMetricsModule::Get().ReEmitMetrics();
+
+    Aws::GameLift::Metrics::MetricsProcess();
+}
+#else
+void FTickableCollector::Tick(float) {}
+#endif // WITH_GAMELIFT_METRICS
+
+
+TStatId FTickableCollector::GetStatId() const
+{
+    return TStatId{};
+}