[Network] NWContentContext binding, progress on NWConnection

src/Network/NWConnection.cs

@@ -199,5 +199,88 @@ namespace Network {
 			        block_ptr_handler->CleanupBlock ();
 			}
 		}
+		
+		delegate void nw_connection_path_event_handler_t (IntPtr block, IntPtr path);
+		static nw_connection_path_event_handler_t static_PathChanged = TrampolinePathChanged;
+		
+		[MonoPInvokeCallback (typeof (nw_connection_path_event_handler_t))]
+		static unsafe void TrampolinePathChanged (IntPtr block, IntPtr path)
+		{
+			var descriptor = (BlockLiteral *) block;
+			var del = (Action<NWPath>) (descriptor->Target);
+			if (del != null){
+				var x = new NWPath (path, owns: false);
+			        del (x);
+				x.Dispose ();
+			}
+		}
+		
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern unsafe void nw_connection_set_path_changed_handler (IntPtr handle, void *callback);
+		
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void SetPathChangedHandler (Action<NWPath> callback)
+		{
+			unsafe {
+			        BlockLiteral *block_ptr_handler;
+			        BlockLiteral block_handler;
+			        block_handler = new BlockLiteral ();
+			        block_ptr_handler = &block_handler;
+			        block_handler.SetupBlockUnsafe (static_PathChanged, callback);
+			
+			        nw_connection_set_path_changed_handler (handle, (void*) block_ptr_handler);
+			        block_ptr_handler->CleanupBlock ();
+			}
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_set_queue (IntPtr handle, IntPtr queue);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void SetQueue (DispatchQueue queue)
+		{
+			if (queue == null)
+				throw new ArgumentNullException (nameof (queue));
+			nw_connection_set_queue (handle, queue.handle);
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_start (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void Start () => nw_connection_start (handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_restart (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void Restart () => nw_connection_restart (handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_cancel (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void Cancel () => nw_connection_cancel (handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_force_cancel (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void ForceCancel () => nw_connection_force_cancel (handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern void nw_connection_cancel_current_endpoint (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void CancelCurrentEndpoint () => nw_connection_cancel_current_endpoint (handle);
+
+		
 	}
 }

src/Network/NWContentContext.cs

@@ -0,0 +1,202 @@
+//
+// NWContentContext.cs: Bindings the Netowrk nw_content_context_t API
+//
+// Authors:
+//   Miguel de Icaza (miguel@microsoft.com)
+//
+// Copyrigh 2018 Microsoft Inc
+//
+using System;
+using System.Runtime.InteropServices;
+using ObjCRuntime;
+using Foundation;
+using CoreFoundation;
+
+namespace Network {
+	
+	public class NWContentContext : INativeObject, IDisposable {
+		IntPtr handle;
+		public IntPtr Handle {
+			get { return handle; }
+		}
+
+		public NWContentContext (IntPtr handle, bool owns)
+		{
+			this.handle = handle;
+			if (owns == false)
+				CFObject.CFRetain (handle);
+		}
+
+		public NWContentContext (IntPtr handle) : this (handle, false)
+		{
+		}
+
+		~NWContentContext ()
+		{
+			Dispose (false);
+		}
+
+		public void Dispose ()
+		{
+			Dispose (true);
+			GC.SuppressFinalize (this);
+		}
+
+		public virtual void Dispose (bool disposing)
+		{
+			if (handle != IntPtr.Zero) {
+				CFObject.CFRelease (handle);
+				handle = IntPtr.Zero;
+			}
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static IntPtr nw_content_context_create (string contextIdentifier);
+
+		public NWContentContext (string contextIdentifier)
+		{
+			if (contextIdentifier == null)
+				throw new ArgumentNullException (nameof (contextIdentifier));
+			handle = nw_content_context_create (contextIdentifier);
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static IntPtr nw_content_context_get_identifier (IntPtr handle);
+
+		public string Identifier => Marshal.PtrToStringAnsi (nw_content_context_get_identifier (handle));
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		[return: MarshalAs (UnmanagedType.I1)]
+		extern static bool nw_content_context_get_is_final (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static void nw_content_context_set_is_final (IntPtr handle, [MarshalAs (UnmanagedType.I1)] bool is_final);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public bool IsFinal {
+			get => nw_content_context_get_is_final (handle);
+			set => nw_content_context_set_is_final (handle, value);
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static ulong nw_content_context_get_expiration_milliseconds (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static void nw_content_context_set_expiration_milliseconds (IntPtr handle, ulong value);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public ulong ExpirationMilliseconds {
+			get => nw_content_context_get_expiration_milliseconds (handle);
+			set => nw_content_context_set_expiration_milliseconds (handle, value);
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static double nw_content_context_get_relative_priority (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static void nw_content_context_set_relative_priority (IntPtr handle, double value);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public double RelativePriority {
+			get => nw_content_context_get_relative_priority (handle);
+			set => nw_content_context_set_relative_priority (handle, value);
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static IntPtr nw_content_context_copy_antecedent (IntPtr handle);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static void nw_content_context_set_antecedent (IntPtr handle, IntPtr value);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public NWContentContext Antecedent {
+			get {
+				var h = nw_content_context_copy_antecedent (handle);
+				if (h == IntPtr.Zero)
+					return null;
+				return new NWContentContext (h, owns: true);
+			}
+			set {
+				nw_content_context_set_antecedent (handle, value == null ? IntPtr.Zero : value.Handle);
+			}
+		}
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static IntPtr nw_content_context_copy_protocol_metadata (IntPtr handle, IntPtr protocol);
+
+		public NWProtocolMetadata GetProtocolMetadata (NWProtocolDefinition protocolDefinition)
+		{
+			if (protocolDefinition == null)
+				throw new ArgumentNullException (nameof (protocolDefinition));
+			var x = nw_content_context_copy_protocol_metadata (handle, protocolDefinition.handle);
+			if (x == IntPtr.Zero)
+				return null;
+			return new NWProtocolMetadata (x, owns: true);
+		}
+		
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static void nw_content_context_set_metadata_for_protocol (IntPtr handle, IntPtr protocolMetadata);
+
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void SetMetadata (NWProtocolMetadata protocolMetadata)
+		{
+			if (protocolMetadata == null)
+				throw new ArgumentNullException (nameof (protocolMetadata));
+			nw_content_context_set_metadata_for_protocol (handle, protocolMetadata.Handle);
+		}
+
+		delegate void ProtocolIterator (IntPtr block, IntPtr definition, IntPtr metadata);
+		static ProtocolIterator static_ProtocolIterator = TrampolineProtocolIterator;
+		
+		[MonoPInvokeCallback (typeof (ProtocolIterator))]
+		static unsafe void TrampolineProtocolIterator (IntPtr block, IntPtr definition, IntPtr metadata)
+		{
+			var descriptor = (BlockLiteral *) block;
+			var del = (Action<NWProtocolDefinition,NWProtocolMetadata>) (descriptor->Target);
+			if (del != null){
+				var pdef = definition == IntPtr.Zero ? null : new NWProtocolDefinition (definition, owns: true);
+				var meta = metadata == IntPtr.Zero ? null : new NWProtocolMetadata (metadata, owns: true);
+
+				del (pdef, meta);
+				
+				pdef?.Dispose ();
+				meta?.Dispose ();
+				if (pdef != null)
+					pdef.Dispose ();
+				if (meta != null)
+					meta.Dispose ();
+			}
+		}
+		
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		[DllImport (Constants.NetworkLibrary)]
+		static extern unsafe void nw_content_context_foreach_protocol_metadata (IntPtr handle, void *callback);
+		
+		[TV (12,0), Mac (10,14), iOS (12,0)]
+		public void ItereateProtocolMetadata (Action<NWProtocolDefinition,NWProtocolMetadata> callback)
+		{
+			unsafe {
+			        BlockLiteral *block_ptr_handler;
+			        BlockLiteral block_handler;
+			        block_handler = new BlockLiteral ();
+			        block_ptr_handler = &block_handler;
+			        block_handler.SetupBlockUnsafe (static_ProtocolIterator, callback);
+			
+			        nw_content_context_foreach_protocol_metadata (handle, (void*) block_ptr_handler);
+			        block_ptr_handler->CleanupBlock ();
+			}
+		}
+	}
+}

src/Network/NWProtocolDefinition.cs

@@ -24,7 +24,7 @@ namespace Network {
 	}
 		
 	public class NWProtocolDefinition : INativeObject, IDisposable {
-		IntPtr handle;
+		internal IntPtr handle;
 		public IntPtr Handle {
 			get { return handle; }
 		}

src/frameworks.sources

@@ -1078,6 +1078,7 @@ MULTIPEERCONNECTIVITY_SOURCES = \
 NETWORK_SOURCES = \
 	Network/NWAdvertiseDescriptor.cs	\
 	Network/NWConnection.cs			\
+	Network/NWContentContext.cs		\
 	Network/NWEndpoint.cs			\
 	Network/NWError.cs			\
 	Network/NWInterface.cs			\