Fix Websocket OpenApi (#9935)

* Further split inbound and outbound messages

* Fix datatype for inbound start messages

* fixes from review

1 files changed, 14 insertions, 2 deletions

diff --git a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
index b1a99853a..af79c18c4 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
@@ -9,7 +9,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Extensions.Json;
 using MediaBrowser.Controller.Net;
-using MediaBrowser.Model.Net;
+using MediaBrowser.Controller.Net.WebSocketMessages;
 using MediaBrowser.Model.Session;
 using Microsoft.Extensions.Logging;
 
@@ -88,6 +88,18 @@ namespace Emby.Server.Implementations.HttpServer
         /// <summary>
         /// Sends a message asynchronously.
         /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public Task SendAsync(WebSocketMessage message, CancellationToken cancellationToken)
+        {
+            var json = JsonSerializer.SerializeToUtf8Bytes(message, _jsonOptions);
+            return _socket.SendAsync(json, WebSocketMessageType.Text, true, cancellationToken);
+        }
+
+        /// <summary>
+        /// Sends a message asynchronously.
+        /// </summary>
         /// <typeparam name="T">The type of the message.</typeparam>
         /// <param name="message">The message.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
@@ -224,7 +236,7 @@ namespace Emby.Server.Implementations.HttpServer
         {
             LastKeepAliveDate = DateTime.UtcNow;
             return SendAsync(
-                new WebSocketMessage<string>
+                new OutboundWebSocketMessage
                 {
                     MessageId = Guid.NewGuid(),
                     MessageType = SessionMessageType.KeepAlive