Added transport interface

Author: TwoTenPvP

MLAPI/Data/Transports/ChannelType.cs

@@ -0,0 +1,15 @@
+namespace MLAPI.Data
+{
+    public enum ChannelType
+    {
+        Unreliable,
+        UnreliableFragmented,
+        UnreliableSequenced,
+        Reliable,
+        ReliableFragmented,
+        ReliableSequenced,
+        StateUpdate,
+        ReliableStateUpdate,
+        AllCostDelivery
+    }
+}

MLAPI/Data/Transports/IUDPTransport.cs

@@ -0,0 +1,16 @@
+namespace MLAPI.Data
+{
+    public interface IUDPTransport
+    {
+        void QueueMessageForSending(uint clientId, ref byte[] dataBuffer, int dataSize, int channelId, bool skipqueue, out byte error);
+        void SendQueue(uint clientId, out byte error);
+        NetEventType PollReceive(out uint clientId, out int channelId, ref byte[] data, int bufferSize, out int receivedSize, out byte error);
+        int Connect(string address, int port, object settings, bool websocket, out byte error);
+        int RegisterServerListenSocket(object settings, bool websocket);
+        void Disconnect(uint clientId);
+        int GetCurrentRTT(uint clientId, out byte error);
+        int GetRemoteDelayTimeMS(uint clientId, int remoteTimestamp, out byte error);
+        int GetNetworkTimestamp();
+        void Shutdown();
+    }
+}

MLAPI/Data/Transports/NetEventType.cs

@@ -0,0 +1,10 @@
+namespace MLAPI.Data
+{
+    public enum NetEventType
+    {
+        Data,
+        Connect,
+        Disconnect,
+        Nothing
+    }
+}

MLAPI/Data/Transports/UnetTransport.cs

@@ -0,0 +1,93 @@
+using UnityEngine.Networking;
+
+namespace MLAPI.Data
+{
+    public class UnetTransport : IUDPTransport
+    {
+        public int Connect(string address, int port, object settings, bool websocket, out byte error)
+        {
+            NetworkTransport.Init();
+            int hostId = NetworkTransport.AddHost((HostTopology)settings);
+            return NetworkTransport.Connect(hostId, address, port, 0, out error);
+        }
+
+        public void Disconnect(uint clientId)
+        {
+            NetId netId = new NetId(clientId);
+            byte error;
+            NetworkTransport.Disconnect(netId.HostId, netId.ConnectionId, out error);
+        }
+
+        public int GetCurrentRTT(uint clientId, out byte error)
+        {
+            NetId netId = new NetId(clientId);
+            return NetworkTransport.GetCurrentRTT(netId.HostId, netId.ConnectionId, out error);
+        }
+
+        public int GetNetworkTimestamp()
+        {
+            return NetworkTransport.GetNetworkTimestamp();
+        }
+
+        public int GetRemoteDelayTimeMS(uint clientId, int remoteTimestamp, out byte error)
+        {
+            NetId netId = new NetId(clientId);
+            return NetworkTransport.GetRemoteDelayTimeMS(netId.HostId, netId.ConnectionId, remoteTimestamp, out error);
+        }
+
+        public NetEventType PollReceive(out uint clientId, out int channelId, ref byte[] data, int bufferSize, out int receivedSize, out byte error)
+        {
+            int hostId;
+            int connectionId;
+            byte err;
+            NetworkEventType eventType = NetworkTransport.Receive(out hostId, out connectionId, out channelId, data, bufferSize, out receivedSize, out err);
+            clientId = new NetId((byte)hostId, (ushort)connectionId, false, false).GetClientId();
+            NetworkError errorType = (NetworkError)err;
+            if (errorType == NetworkError.Timeout)
+                eventType = NetworkEventType.DisconnectEvent; //In UNET. Timeouts are not disconnects. We have to translate that here.
+            error = 0;
+
+            //Translate NetworkEventType to NetEventType
+            switch (eventType)
+            {
+                case NetworkEventType.DataEvent:
+                    return NetEventType.Data;
+                case NetworkEventType.ConnectEvent:
+                    return NetEventType.Connect;
+                case NetworkEventType.DisconnectEvent:
+                    return NetEventType.Disconnect;
+                case NetworkEventType.Nothing:
+                    return NetEventType.Nothing;
+                case NetworkEventType.BroadcastEvent:
+                    return NetEventType.Nothing;
+            }
+            return NetEventType.Nothing;
+        }
+
+        public int RegisterServerListenSocket(object settings, bool websockets)
+        {
+            NetworkTransport.Init();
+            return NetworkTransport.AddHost((HostTopology)settings);
+        }
+
+        public void QueueMessageForSending(uint clientId, ref byte[] dataBuffer, int dataSize, int channelId, bool skipqueue, out byte error)
+        {
+            NetId netId = new NetId(clientId);
+            if (skipqueue)
+                NetworkTransport.Send(netId.HostId, netId.ConnectionId, channelId, dataBuffer, dataSize, out error);
+            else
+                NetworkTransport.QueueMessageForSending(netId.HostId, netId.ConnectionId, channelId, dataBuffer, dataSize, out error);
+        }
+
+        public void Shutdown()
+        {
+            NetworkTransport.Shutdown();
+        }
+
+        public void SendQueue(uint clientId, out byte error)
+        {
+            NetId netId = new NetId(clientId);
+            NetworkTransport.SendQueuedMessages(netId.HostId, netId.ConnectionId, out error);
+        }
+    }
+}

MLAPI/MLAPI.csproj

@@ -72,15 +72,19 @@
     <Compile Include="Attributes\TargetRpc.cs" />
     <Compile Include="Data\Cache.cs" />
     <Compile Include="Data\Channel.cs" />
+    <Compile Include="Data\Transports\ChannelType.cs" />
     <Compile Include="Data\FieldType.cs" />
     <Compile Include="Attributes\SyncedVar.cs" />
     <Compile Include="Data\FixedQueue.cs" />
+    <Compile Include="Data\Transports\IUDPTransport.cs" />
+    <Compile Include="Data\Transports\NetEventType.cs" />
     <Compile Include="Data\NetworkConfig.cs" />
     <Compile Include="Data\NetworkedPrefab.cs" />
     <Compile Include="Data\NetworkPool.cs" />
     <Compile Include="Data\SyncedVarField.cs" />
     <Compile Include="Data\TrackedPointData.cs" />
     <Compile Include="Data\TransportHost.cs" />
+    <Compile Include="Data\Transports\UnetTransport.cs" />
     <Compile Include="GlobalSuppressions.cs" />
     <Compile Include="MonoBehaviours\Prototyping\NetworkedAnimator.cs" />
     <Compile Include="MonoBehaviours\Prototyping\NetworkedNavMeshAgent.cs" />