2.4.2: Added HTTP diagnostics to -debug

DepotDownloader/ContentDownloader.cs

@@ -840,8 +840,11 @@ namespace DepotDownloader
                         try
                         {
                             connection = cdnPool.GetConnection(cts.Token);
+
+                            DebugLog.WriteLine("ContentDownloader", "Authenticating connection to {0}", connection);
                             var cdnToken = await cdnPool.AuthenticateConnection(appId, depot.id, connection);
 
+                            DebugLog.WriteLine("ContentDownloader", "Downloading manifest {0} from {1} with {2}", depot.manifestId, connection, cdnPool.ProxyServer != null ? cdnPool.ProxyServer : "no proxy");
                             depotManifest = await cdnPool.CDNClient.DownloadManifestAsync(depot.id, depot.manifestId,
                                 connection, cdnToken, depot.depotKey, proxyServer: cdnPool.ProxyServer).ConfigureAwait(false);
 
@@ -1215,8 +1218,11 @@ namespace DepotDownloader
                 try
                 {
                     connection = cdnPool.GetConnection(cts.Token);
+
+                    DebugLog.WriteLine("ContentDownloader", "Authenticating connection to {0}", connection);
                     var cdnToken = await cdnPool.AuthenticateConnection(appId, depot.id, connection);
 
+                    DebugLog.WriteLine("ContentDownloader", "Downloading chunk {0} from {1} with {2}", chunkID, connection, cdnPool.ProxyServer != null ? cdnPool.ProxyServer : "no proxy");
                     chunkData = await cdnPool.CDNClient.DownloadDepotChunkAsync(depot.id, data,
                         connection, cdnToken, depot.depotKey, proxyServer: cdnPool.ProxyServer).ConfigureAwait(false);
 

DepotDownloader/HttpDiagnosticEventListener.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace DepotDownloader
+{
+    internal sealed class HttpDiagnosticEventListener : EventListener
+    {
+        public const EventKeywords TasksFlowActivityIds = (EventKeywords)0x80;
+
+        protected override void OnEventSourceCreated(EventSource eventSource)
+        {
+            if (eventSource.Name == "System.Net.Http" ||
+                eventSource.Name == "System.Net.Sockets" ||
+                eventSource.Name == "System.Net.Security" ||
+                eventSource.Name == "System.Net.NameResolution")
+            {
+                EnableEvents(eventSource, EventLevel.LogAlways);
+            }
+            else if (eventSource.Name == "System.Threading.Tasks.TplEventSource")
+            {
+                EnableEvents(eventSource, EventLevel.LogAlways, TasksFlowActivityIds);
+            }
+        }
+
+        protected override void OnEventWritten(EventWrittenEventArgs eventData)
+        {
+            var sb = new StringBuilder().Append($"{eventData.TimeStamp:HH:mm:ss.fffffff}  {eventData.EventSource.Name}.{eventData.EventName}(");
+            for (int i = 0; i < eventData.Payload?.Count; i++)
+            {
+                sb.Append(eventData.PayloadNames?[i]).Append(": ").Append(eventData.Payload[i]);
+                if (i < eventData.Payload?.Count - 1)
+                {
+                    sb.Append(", ");
+                }
+            }
+
+            sb.Append(")");
+            Console.WriteLine(sb.ToString());
+        }
+    }
+}

DepotDownloader/Program.cs

@@ -5,7 +5,6 @@ using System.Text.RegularExpressions;
 using SteamKit2;
 using System.ComponentModel;
 using System.Threading.Tasks;
-using System.Runtime.InteropServices;
 using System.Linq;
 
 namespace DepotDownloader
@@ -36,6 +35,8 @@ namespace DepotDownloader
                 {
                     Console.WriteLine( "[{0}] {1}", category, message );
                 });
+
+                var httpEventListener = new HttpDiagnosticEventListener();
             }
 
             string username = GetParameter<string>( args, "-username" ) ?? GetParameter<string>( args, "-user" );

DepotDownloader/Properties/AssemblyInfo.cs

@@ -31,4 +31,4 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.4.1.0")]
+[assembly: AssemblyVersion("2.4.2.0")]