Refactor Network api, add more dcos, expose it to scripting

Source/Engine/Platform/Platform.cs

@@ -0,0 +1,79 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+using System;
+
+namespace FlaxEngine
+{
+    partial class Platform
+    {
+        /// <summary>
+        /// Checks if current execution in on the main thread.
+        /// </summary>
+        public static bool IsInMainThread => CurrentThreadID == Globals.MainThreadID;
+    }
+
+    partial class Network
+    {
+        /// <summary>
+        /// Writes data to the socket.
+        /// </summary>
+        /// <param name="socket">The socket.</param>
+        /// <param name="data">The data to write.</param>
+        /// <returns>Returns -1 on error, otherwise bytes written.</returns>
+        [Unmanaged]
+        public static unsafe int WriteSocket(NetworkSocket socket, byte[] data)
+        {
+            if (data == null)
+                throw new ArgumentNullException(nameof(data));
+            fixed (byte* ptr = data)
+                return Internal_WriteSocket(ref socket, ptr, (uint)data.Length, null);
+        }
+
+        /// <summary>
+        /// Writes data to the socket.
+        /// </summary>
+        /// <param name="socket">The socket.</param>
+        /// <param name="data">The data to write.</param>
+        /// <param name="endPoint">If protocol is UDP, the destination end point.</param>
+        /// <returns>Returns -1 on error, otherwise bytes written.</returns>
+        [Unmanaged]
+        public static unsafe int WriteSocket(NetworkSocket socket, byte[] data, NetworkEndPoint endPoint)
+        {
+            if (data == null)
+                throw new ArgumentNullException(nameof(data));
+            fixed (byte* ptr = data)
+                return Internal_WriteSocket(ref socket, ptr, (uint)data.Length, &endPoint);
+        }
+
+        /// <summary>
+        /// Reads data on the socket.
+        /// </summary>
+        /// <param name="socket">The socket.</param>
+        /// <param name="buffer">The buffer.</param>
+        /// <returns>Returns -1 on error, otherwise bytes read.</returns>
+        [Unmanaged]
+        public static unsafe int ReadSocket(NetworkSocket socket, byte[] buffer)
+        {
+            if (buffer == null)
+                throw new ArgumentNullException(nameof(buffer));
+            fixed (byte* ptr = buffer)
+                return Internal_ReadSocket(ref socket, ptr, (uint)buffer.Length, null);
+        }
+
+        /// <summary>
+        /// Reads data on the socket.
+        /// </summary>
+        /// <param name="socket">The socket.</param>
+        /// <param name="buffer">The buffer.</param>
+        /// <param name="endPoint">If UDP, the end point from where data is coming. Otherwise nullptr.</param>
+        /// <returns>Returns -1 on error, otherwise bytes read.</returns>
+        [Unmanaged]
+        public static unsafe int ReadSocket(NetworkSocket socket, byte[] buffer, NetworkEndPoint endPoint)
+        {
+            if (buffer == null)
+                throw new ArgumentNullException(nameof(buffer));
+            fixed (byte* ptr = buffer)
+                return Internal_ReadSocket(ref socket, ptr, (uint)buffer.Length, &endPoint);
+        }
+    }
+}