Initial commit of SqlTools Service API

ServiceHost/MessageProtocol/Channel/NamedPipeClientChannel.cs

@@ -0,0 +1,83 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+#if false
+
+using System;
+using System.IO.Pipes;
+using System.Threading.Tasks;
+
+namespace Microsoft.PowerShell.EditorServices.Protocol.MessageProtocol.Channel
+{
+    public class NamedPipeClientChannel : ChannelBase
+    {
+        private string pipeName;
+        private bool isClientConnected;
+        private NamedPipeClientStream pipeClient;
+
+        public NamedPipeClientChannel(string pipeName)
+        {
+            this.pipeName = pipeName;
+        }
+
+        public override async Task WaitForConnection()
+        {
+#if NanoServer
+            await this.pipeClient.ConnectAsync();
+#else
+            this.IsConnected = false;
+
+            while (!this.IsConnected)
+            {
+                try
+                {
+                    // Wait for 500 milliseconds so that we don't tie up the thread
+                    this.pipeClient.Connect(500);
+                    this.IsConnected = this.pipeClient.IsConnected;
+                }
+                catch (TimeoutException)
+                {
+                    // Connect timed out, wait and try again
+                    await Task.Delay(1000);
+                    continue;
+                }
+            }
+#endif
+
+            // If we've reached this point, we're connected
+            this.IsConnected = true;
+        }
+
+        protected override void Initialize(IMessageSerializer messageSerializer)
+        {
+            this.pipeClient =
+                new NamedPipeClientStream(
+                    ".",
+                    this.pipeName,
+                    PipeDirection.InOut,
+                    PipeOptions.Asynchronous);
+
+            this.MessageReader =
+                new MessageReader(
+                    this.pipeClient,
+                    messageSerializer);
+
+            this.MessageWriter =
+                new MessageWriter(
+                    this.pipeClient,
+                    messageSerializer);
+        }
+
+        protected override void Shutdown()
+        {
+            if (this.pipeClient != null)
+            {
+                this.pipeClient.Dispose();
+            }
+        }
+    }
+}
+
+#endif