From 7dd1cd5bbd1e422a09cabe5a80f1a2cc96d3939c Mon Sep 17 00:00:00 2001
From: JKorf <jankorf91@gmail.com>
Date: Tue, 13 Jan 2026 21:21:30 +0100
Subject: [PATCH] Added HandleUnhandledMessage virtual method to
 SocketApiClient to allow some processing for messages which couldn't be
 mapped via the normal way

---
 CryptoExchange.Net/Clients/SocketApiClient.cs          | 9 ++++++++-
 CryptoExchange.Net/Sockets/Default/SocketConnection.cs | 8 ++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CryptoExchange.Net/Clients/SocketApiClient.cs b/CryptoExchange.Net/Clients/SocketApiClient.cs
index b2ef32e..4dfddcf 100644
--- a/CryptoExchange.Net/Clients/SocketApiClient.cs
+++ b/CryptoExchange.Net/Clients/SocketApiClient.cs
@@ -802,7 +802,6 @@ namespace CryptoExchange.Net.Clients
             return new CallResult<HighPerfSocketConnection<TUpdateType>>(socketConnection);
         }
 
-
         /// <summary>
         /// Process an unhandled message
         /// </summary>
@@ -811,6 +810,14 @@ namespace CryptoExchange.Net.Clients
         {
         }
 
+        /// <summary>
+        /// Process an unhandled message
+        /// </summary>
+        /// <param name="connection">The socket connection</param>
+        /// <param name="typeIdentifier">The type as identified</param>
+        /// <param name="data">The data</param>
+        protected internal virtual bool HandleUnhandledMessage(SocketConnection connection, string typeIdentifier, ReadOnlySpan<byte> data) => false;
+
         /// <summary>
         /// Process connect rate limited
         /// </summary>
diff --git a/CryptoExchange.Net/Sockets/Default/SocketConnection.cs b/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
index 6c3bd49..98178e7 100644
--- a/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
+++ b/CryptoExchange.Net/Sockets/Default/SocketConnection.cs
@@ -571,8 +571,12 @@ namespace CryptoExchange.Net.Sockets.Default
 
             if (deserializationType == null)
             {
-                // No handler found for identifier either, can't process
-                _logger.LogWarning("Failed to determine message type for identifier {Identifier}. Data: {Message}", typeIdentifier, Encoding.UTF8.GetString(data.ToArray()));
+                if (!ApiClient.HandleUnhandledMessage(this, typeIdentifier, data))
+                {
+                    // No handler found for identifier either, can't process
+                    _logger.LogWarning("Failed to determine message type for identifier {Identifier}. Data: {Message}", typeIdentifier, Encoding.UTF8.GetString(data.ToArray()));
+                }
+                    
                 return;
             }