Add ugly workaround for UDP ReceiveFrom + SocketAddress behaving diff…

…erently on Linux
compujuckel · Dec 21, 2023 · 51737e2 · 51737e2
1 parent 2b5950b
commit 51737e2
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/AssettoServer/Network/Udp/ACUdpServer.cs b/AssettoServer/Network/Udp/ACUdpServer.cs
@@ -72,7 +72,11 @@ private void ReceiveLoop(CancellationToken stoppingToken)
                 var bytesRead = _socket.ReceiveFrom(buffer, SocketFlags.None, address);
                 OnReceived(address, buffer, bytesRead);
             }
-            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.TimedOut) { }
+            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.TimedOut)
+            {
+                // This is a workaround because on Linux, the SocketAddress Size will be set to 0 for some reason
+                address.Size = address.Buffer.Length;
+            }
             catch (Exception ex)
             {
                 Log.Error(ex, "Error in UDP receive loop");

diff --git a/AssettoServer/Network/Udp/UdpPluginServer.cs b/AssettoServer/Network/Udp/UdpPluginServer.cs
@@ -152,7 +152,11 @@ private void ReceiveLoop(CancellationToken stoppingToken)
                     Log.Information("Ignoring UDP Plugin packet from address {Address}", address);
                 }
             }
-            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.TimedOut) { }
+            catch (SocketException ex) when (ex.SocketErrorCode == SocketError.TimedOut)
+            {
+                // This is a workaround because on Linux, the SocketAddress Size will be set to 0 for some reason
+                address.Size = address.Buffer.Length;
+            }
             catch (Exception ex)
             {
                 Log.Error(ex, "Error in UDP plugin receive loop");