* QBrowser.cs: Change log levels

* QClient.cs: Change to Queue for TCP sending messages

* QControlKit.csproj:
* Info.plist:
* MainPage.xaml.cs:
* QControlKitXamDemo.csproj:
* QControlKitXamDemo.iOS.csproj:
* QControlKitXamDemo.Android.csproj: Updates

* TCPClient.cs: Start work on send queue for TCP

QControlKit/QBrowser.cs

@@ -26,13 +26,17 @@ namespace QControlKit
 
         public async void ProbeForQLabInstances()
         {
+            Log.Debug("[qbrowser] probing for instances");
+
             IReadOnlyList<IZeroconfHost> results = await
                     ZeroconfResolver.ResolveAsync(QBonjour.TCPService,TimeSpan.FromSeconds(3));
 
             foreach (var zeroconfHost in results)
             {
+                Log.Debug($"[qbrowser] found host {zeroconfHost.IPAddress}:{zeroconfHost.DisplayName}");
                 foreach (var service in zeroconfHost.Services)
                 {
+                    Log.Debug($"[qbrowser] found {service.Key}:{service.Value}");
                     if (service.Key.Equals(QBonjour.TCPService))
                     {
 

QControlKit/QClient.cs

@@ -59,7 +59,7 @@ namespace QControlKit
 
         public void sendMessage(string address, params object[] args)
         {
-            tcpClient.Send(new OscMessage(address, args));
+            tcpClient.QueueForSending(new OscMessage(address, args));
             Log.Debug($"[client] send message {address} : {args}");
         }
 

QControlKit/QControlKit.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <Authors>Joel Wetzell</Authors>
     <Version>1.0.0-devel</Version>
@@ -16,14 +16,18 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="Zeroconf" Version="3.5.11" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="Zeroconf" Version="3.5.11" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Constants\" />
     <Folder Include="Cue\" />
+    <Folder Include="SharpOSC\" />
   </ItemGroup>
   <ItemGroup>
     <None Remove="Cue\" />
+    <None Remove="SharpOSC" />
+    <None Remove="Zeroconf" />
+    <None Remove="SharpOSC\" />
   </ItemGroup>
 </Project>

QControlKit/SharpOSC/TCPClient.cs

@@ -31,7 +31,12 @@ namespace SharpOSC
         }
         public delegate void MessageReceivedHandler(object source, MessageEventArgs args);
         public event MessageReceivedHandler MessageReceived;
+
+        private Queue<OscPacket> SendQueue = new Queue<OscPacket>();
+
         private Thread receivingThread;
+        private Thread sendThread;
+
         string _address;
         TcpClient client;
 
@@ -54,6 +59,10 @@ namespace SharpOSC
                 client = new TcpClient(Address, Port);
                 receivingThread = new Thread(ReceiveLoop);
                 receivingThread.Start();
+
+                sendThread = new Thread(SendLoop);
+                sendThread.Start();
+
                 Log.Debug($"[tcpclient] connected to <{Address}:{Port}>");
                 return true;
             } 
@@ -65,6 +74,23 @@ namespace SharpOSC
             
         }
 
+        public void QueueForSending(OscPacket packet)
+        {
+            SendQueue.Enqueue(packet);
+        }
+
+        private void SendLoop()
+        {
+            while (client != null && client.Connected)
+            {
+                if(SendQueue.Count > 0)
+                {
+                    OscPacket packet = SendQueue.Dequeue();
+                    Send(packet);
+                }
+            }
+        }
+
         public void Send(byte[] message)
         {
             byte[] slipData = SlipEncode(message);
@@ -91,7 +117,7 @@ namespace SharpOSC
 
         public void ReceiveLoop()
         {
-            while (client.Connected)
+            while (client != null && client.Connected)
             {
                 Receive();
             }
@@ -124,10 +150,11 @@ namespace SharpOSC
                     } while (netStream.DataAvailable);
 
                     //Console.WriteLine("Raw TCP In: " + System.Text.Encoding.UTF8.GetString(responseData.ToArray()));
-                    OscMessage response = (OscMessage)OscPacket.GetPacket(responseData.Skip(1).ToArray());
+                    OscPacket packet = OscPacket.GetPacket(responseData.Skip(1).ToArray());
+                    OscMessage responseMessage = (OscMessage)packet;
                     //watch.Stop();
                     //Console.WriteLine($"TCPCLient - message receive took {watch.ElapsedMilliseconds}ms and {reads} reads");
-                    OnMessageReceived(response);
+                    OnMessageReceived(responseMessage);
                 }
             } catch(Exception e)
             {