Issue #11: implement gateway workerclient

src/MxGateway.Server/Workers/WorkerClientConnection.cs

@@ -0,0 +1,38 @@
+namespace MxGateway.Server.Workers;
+
+public sealed class WorkerClientConnection
+{
+    public WorkerClientConnection(
+        string sessionId,
+        string nonce,
+        Stream stream,
+        WorkerFrameProtocolOptions frameOptions,
+        WorkerProcessHandle? processHandle = null)
+    {
+        if (string.IsNullOrWhiteSpace(sessionId))
+        {
+            throw new ArgumentException("Session id is required.", nameof(sessionId));
+        }
+
+        if (string.IsNullOrWhiteSpace(nonce))
+        {
+            throw new ArgumentException("Worker nonce is required.", nameof(nonce));
+        }
+
+        SessionId = sessionId;
+        Nonce = nonce;
+        Stream = stream ?? throw new ArgumentNullException(nameof(stream));
+        FrameOptions = frameOptions ?? throw new ArgumentNullException(nameof(frameOptions));
+        ProcessHandle = processHandle;
+    }
+
+    public string SessionId { get; }
+
+    public string Nonce { get; }
+
+    public Stream Stream { get; }
+
+    public WorkerFrameProtocolOptions FrameOptions { get; }
+
+    public WorkerProcessHandle? ProcessHandle { get; }
+}