[Network] Implement Xcode 16.0 beta 1-6 changes. (#21075)

Note: there were no changes in beta 2, beta 3, beta 4, beta 5 or beta 6.

src/Network/NWEnums.cs

@@ -175,6 +175,8 @@ public enum NWParametersExpiredDnsBehavior {
 		Default = 0,
 		Allow = 1,
 		Prohibit = 2,
+		[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+		Persistent = 3,
 	}
 
 	// this maps to `nw_path_status_t` in Network/Headers/path.h (and not the enum from NetworkExtension)

src/Network/NWListener.cs

@@ -96,6 +96,35 @@ public NWListener (NativeHandle handle, bool owns) : base (handle, owns)
 			return new NWListener (handle, owns: true);
 		}
 
+#if __MACOS__ && NET
+		[SupportedOSPlatform ("macos")]
+		[UnsupportedOSPlatform ("tvos")]
+		[UnsupportedOSPlatform ("ios")]
+		[UnsupportedOSPlatform ("maccatalyst")]
+		[DllImport (Constants.NetworkLibrary)]
+		extern static IntPtr nw_listener_create_with_launchd_key (/* nw_parameters_t */ IntPtr nwparameters, /* const char */ IntPtr launchd_key);
+
+		/// <summary>Creates an <see cref="NWListener" /> instance from a launchd key.</summary>
+		/// <param name="parameters">The parameters to use for the listener, including the protocols to use.</param>
+		/// <param name="launchd_key">The name of the socket entry as specified in the launchd.plist.</param>
+		/// <returns>A new <see cref="NWListener" /> instance, or null if not successful.</returns>
+		[SupportedOSPlatform ("macos")]
+		[UnsupportedOSPlatform ("tvos")]
+		[UnsupportedOSPlatform ("ios")]
+		[UnsupportedOSPlatform ("maccatalyst")]
+		public static NWListener? Create (NWParameters parameters, string launchd_key)
+		{
+			if (launchd_key is null)
+				ObjCRuntime.ThrowHelper.ThrowArgumentNullException (nameof (launchd_key));
+
+			using var launchd_key_ptr = new TransientString (launchd_key);
+			var handle = nw_listener_create_with_launchd_key (parameters.GetNonNullHandle (nameof (parameters)), launchd_key_ptr);
+			if (handle == IntPtr.Zero)
+				return null;
+			return new NWListener (handle, owns: true);
+		}
+#endif // __MACOS__ && NET
+
 		[DllImport (Constants.NetworkLibrary)]
 		extern static void nw_listener_set_queue (IntPtr listener, IntPtr queue);
 

src/Network/NWQuicMetadata.cs

@@ -54,6 +54,15 @@ public ushort KeepaliveInterval {
 			set => nw_quic_set_keepalive_interval (GetCheckedHandle (), value);
 		}
 
+		/// <summary>
+		/// Set the default keepalive value. The current default is every 20 seconds, but this is subject to change.
+		/// </summary>
+		public void SetDefaultKeepAlive ()
+		{
+			// #define NW_QUIC_CONNECTION_DEFAULT_KEEPALIVE	UINT16_MAX
+			KeepaliveInterval = ushort.MaxValue;
+		}
+
 		[DllImport (Constants.NetworkLibrary, EntryPoint = "nw_quic_get_application_error_reason")]
 		static extern IntPtr nw_quic_get_application_error_reason_ptr (OS_nw_protocol_metadata metadata);
 

tests/cecil-tests/Documentation.KnownFailures.txt

@@ -15538,6 +15538,7 @@ F:Network.NWParametersAttribution.Developer
 F:Network.NWParametersAttribution.User
 F:Network.NWParametersExpiredDnsBehavior.Allow
 F:Network.NWParametersExpiredDnsBehavior.Default
+F:Network.NWParametersExpiredDnsBehavior.Persistent
 F:Network.NWParametersExpiredDnsBehavior.Prohibit
 F:Network.NWPathStatus.Invalid
 F:Network.NWPathStatus.Satisfiable

tests/monotouch-test/Network/NWListenerTest.cs

@@ -61,6 +61,16 @@ public void SetNewConnectionGroupHandlerTest ()
 				});
 			});
 		}
+
+#if __MACOS__ && NET
+		[Test]
+		public void TestCreateLaunchd ()
+		{
+			using var parameters = NWParameters.CreateTcp ();
+			using var instance = NWListener.Create (parameters, "xamarinlaunchdkey");
+			Assert.IsNotNull (instance, "Create");
+		}
+#endif
 	}
 }
 #endif