Internet availability checks (#226)

Author: konraddysput

Runtime/BacktraceDatabase.cs

@@ -236,7 +236,7 @@ internal void Update()
             }
             if (_breadcrumbs != null)
             {
-                _breadcrumbs.Update();
+                _breadcrumbs.Update(Time.unscaledTime);
             }
             LastFrameTime = Time.unscaledTime;
             if (!DatabaseSettings.AutoSendMode)

Runtime/Model/Breadcrumbs/BacktraceBreadcrumbs.cs

@@ -191,9 +191,9 @@ public double BreadcrumbId()
             return LogManager.BreadcrumbId();
         }
 
-        public void Update()
+        public void Update(float time)
         {
-            EventHandler.Update();
+            EventHandler.Update(time);
         }
 
         public static bool CanStoreBreadcrumbs(UnityEngineLogLevel logLevel, BacktraceBreadcrumbType backtraceBreadcrumbsLevel)

Runtime/Model/Breadcrumbs/BacktraceBreadcrumbsEventHandler.cs

@@ -13,6 +13,10 @@ internal sealed class BacktraceBreadcrumbsEventHandler
         private BacktraceBreadcrumbType _registeredLevel;
         private NetworkReachability _networkStatus = NetworkReachability.NotReachable;
         private Thread _thread;
+        private float _lastUpdateTime = 0;
+
+        // time in seconds between internet availability checks
+        private float INTERNET_AVAILABILITY_CHECK_INTERVAL_SEC = 30;
         public BacktraceBreadcrumbsEventHandler(BacktraceBreadcrumbs breadcrumbs)
         {
             _thread = Thread.CurrentThread;
@@ -151,8 +155,13 @@ private void LogNewNetworkStatus(NetworkReachability status)
             Log(string.Format("Network:{0}", status), LogType.Log, BreadcrumbLevel.System);
         }
 
-        internal void Update()
+        internal void Update(float time)
         {
+            if (time - _lastUpdateTime < INTERNET_AVAILABILITY_CHECK_INTERVAL_SEC && _lastUpdateTime != 0)
+            {
+                return;
+            }
+            _lastUpdateTime = time;
             if (_registeredLevel.HasFlag(BacktraceBreadcrumbType.System) && Application.internetReachability != _networkStatus)
             {
                 LogNewNetworkStatus(Application.internetReachability);

Runtime/Model/Breadcrumbs/IBacktraceBreadcrumbs.cs

@@ -29,7 +29,7 @@ public interface IBacktraceBreadcrumbs
         string GetBreadcrumbLogPath();
         double BreadcrumbId();
         void UnregisterEvents();
-        void Update();
+        void Update(float time);
         string Archive();
     }
 }