From 88b71f29d9ec2818efb3ef68cb252a0729c39557 Mon Sep 17 00:00:00 2001
From: Anna <git@anna.lgbt>
Date: Sat, 23 Mar 2024 13:17:51 -0400
Subject: [PATCH] chore: ignore more unactionable errors

---
 Plugin.cs | 26 +++++++++++++++++++++++++-
 Server.cs |  9 ++++++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/Plugin.cs b/Plugin.cs
index 803d51f..3e52614 100644
--- a/Plugin.cs
+++ b/Plugin.cs
@@ -347,6 +347,17 @@ private Configuration.SpeedLimit CalculateLimit() {
 
     private class ExceptionFilter : IExceptionFilter {
         private static readonly HashSet<int> IgnoredHResults = [
+            // hresult list
+            // https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/705fb797-2175-4a90-b5a3-3918024b10b8
+
+            // win32 error list (hresult 0x8007xxxx)
+            // https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d
+            // different win32 error list (primarily decimal)
+            // https://learn.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499-
+
+            // 0x80131620 is generic IOException (COR_E_IO)
+
+            // ERROR_HANDLE_DISK_FULL
             unchecked((int) 0x80070027),
             // ERROR_DISK_FULL
             unchecked((int) 0x80070070),
@@ -364,11 +375,24 @@ private class ExceptionFilter : IExceptionFilter {
             // SEC_E_UNSUPPORTED_FUNCTION
             // this is for the tls errors on wine
             unchecked((int) 0x80090302),
+
+            // can't find this in the reference, but it's "The WOF driver
+            // "encountered a corruption in the compressed file's Resource
+            // Table."
+            unchecked((int) 0x80071160),
+
+            // can't find this in the reference, but it's "A device which does
+            // not exist was specified."
+            unchecked((int) 0x800701b1),
         ];
 
         #pragma warning disable SYSLIB1045
         private static readonly List<Regex> IgnoredMessages = [
             new Regex(@"^No such host is known\.", RegexOptions.Compiled),
+            new Regex(@"An established connection was aborted by the software in your host machine\.", RegexOptions.Compiled),
+            new Regex(@"\(ResponseEnded\)", RegexOptions.Compiled),
+            new Regex(@"at least \d+ additional bytes expected", RegexOptions.Compiled),
+            new Regex(@"Unable to read data from the transport connection", RegexOptions.Compiled),
         ];
         #pragma warning restore SYSLIB1045
 
@@ -397,7 +421,7 @@ public bool Filter(Exception ex) {
             }
 
             // ignore specific io errors
-            if (ex.GetHResults().Any(hResult => IgnoredHResults.Contains(hResult))) {
+            if (ex.GetHResults().Any(IgnoredHResults.Contains)) {
                 return true;
             }
 
diff --git a/Server.cs b/Server.cs
index 81a6ec2..bed7425 100644
--- a/Server.cs
+++ b/Server.cs
@@ -111,7 +111,14 @@ internal void StartServer() {
     }
 
     private void HandleConnection() {
-        var ctx = this.Listener.GetContext();
+        HttpListenerContext ctx;
+        try {
+            ctx = this.Listener.GetContext();
+        } catch (HttpListenerException ex) {
+            Plugin.Log.Warning(ex, "Could not get request context");
+            return;
+        }
+
         var req = ctx.Request;
         var resp = ctx.Response;
         var url = req.Url?.AbsolutePath ?? "/";