[+] Network Module

[+] Network Module

Assets/GameScripts/HotFix/GameLogic/Network.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 145b951be40d41dea06e76bd967a5d15
+timeCreated: 1682045847

Assets/GameScripts/HotFix/GameLogic/Network/HeartBeat.cs

@@ -0,0 +1,19 @@
+using System;
+using ProtoBuf;
+
+namespace GameLogic
+{
+    [Serializable, ProtoContract(Name = @"HeartBeat")]
+    public class HeartBeat : PacketBase
+    {
+        public HeartBeat()
+        {
+        }
+
+        public override int Id => 1;
+
+        public override void Clear()
+        {
+        }
+    }
+}

Assets/GameScripts/HotFix/GameLogic/Network/HeartBeat.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d8b9b60d2abf409ca9dd2ce00506ac79
+timeCreated: 1682046644

Assets/GameScripts/HotFix/GameLogic/Network/NetworkChannelHelper.cs

@@ -0,0 +1,254 @@
+using ProtoBuf;
+using ProtoBuf.Meta;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net.Sockets;
+using System.Reflection;
+using TEngine;
+
+namespace GameLogic
+{
+    public class NetworkChannelHelper : INetworkChannelHelper, IMemory
+    {
+        private readonly Dictionary<int, Type> _serverToClientPacketTypes = new Dictionary<int, Type>();
+        private readonly MemoryStream _cachedStream = new MemoryStream(1024 * 8);
+        private INetworkChannel _networkChannel = null;
+
+        /// <summary>
+        /// 获取消息包头长度。
+        /// <remarks>4。</remarks>
+        /// </summary>
+        public int PacketHeaderLength => sizeof(int);
+
+        /// <summary>
+        /// 初始化网络频道辅助器。
+        /// </summary>
+        /// <param name="networkChannel">网络频道。</param>
+        public void Initialize(INetworkChannel networkChannel)
+        {
+            _networkChannel = networkChannel;
+
+            // 反射注册包和包处理函数。
+            Type packetBaseType = typeof(ProtoPacket);
+            Assembly assembly = Assembly.GetExecutingAssembly();
+            Type[] types = assembly.GetTypes();
+            for (int i = 0; i < types.Length; i++)
+            {
+                if (!types[i].IsClass || types[i].IsAbstract)
+                {
+                    continue;
+                }
+
+                if (types[i].BaseType == packetBaseType)
+                {
+                    PacketBase packetBase = (PacketBase)Activator.CreateInstance(types[i]);
+                    Type packetType = GetServerToClientPacketType(packetBase.Id);
+                    if (packetType != null)
+                    {
+                        Log.Warning("Already exist packet type '{0}', check '{1}' or '{2}'?.", packetBase.Id.ToString(), packetType.Name, packetBase.GetType().Name);
+                        continue;
+                    }
+
+                    _serverToClientPacketTypes.Add(packetBase.Id, types[i]);
+                }
+            }
+
+            GameEvent.AddEventListener<INetworkChannel, object>(NetworkEvent.NetworkConnectedEvent, OnNetworkConnected);
+            GameEvent.AddEventListener<INetworkChannel>(NetworkEvent.NetworkClosedEvent, OnNetworkClosed);
+            GameEvent.AddEventListener<INetworkChannel, int>(NetworkEvent.NetworkMissHeartBeatEvent, OnNetworkMissHeartBeat);
+            GameEvent.AddEventListener<INetworkChannel, NetworkErrorCode, SocketError, string>(NetworkEvent.NetworkErrorEvent, OnNetworkError);
+            GameEvent.AddEventListener<INetworkChannel, object>(NetworkEvent.NetworkCustomErrorEvent, OnNetworkCustomError);
+        }
+
+        /// <summary>
+        /// 关闭并清理网络频道辅助器。
+        /// </summary>
+        public void Shutdown()
+        {
+            GameEvent.RemoveEventListener<INetworkChannel, object>(NetworkEvent.NetworkConnectedEvent, OnNetworkConnected);
+            GameEvent.RemoveEventListener<INetworkChannel>(NetworkEvent.NetworkClosedEvent, OnNetworkClosed);
+            GameEvent.RemoveEventListener<INetworkChannel, int>(NetworkEvent.NetworkMissHeartBeatEvent, OnNetworkMissHeartBeat);
+            GameEvent.RemoveEventListener<INetworkChannel, NetworkErrorCode, SocketError, string>(NetworkEvent.NetworkErrorEvent, OnNetworkError);
+            GameEvent.RemoveEventListener<INetworkChannel, object>(NetworkEvent.NetworkCustomErrorEvent, OnNetworkCustomError);
+
+            _networkChannel = null;
+        }
+
+        /// <summary>
+        /// 准备进行连接。
+        /// </summary>
+        public void PrepareForConnecting()
+        {
+            _networkChannel.Socket.ReceiveBufferSize = 1024 * 64;
+            _networkChannel.Socket.SendBufferSize = 1024 * 64;
+        }
+
+        /// <summary>
+        /// 发送心跳消息包。
+        /// </summary>
+        /// <returns>是否发送心跳消息包成功。</returns>
+        public bool SendHeartBeat()
+        {
+            _networkChannel.Send(MemoryPool.Acquire<HeartBeat>());
+            return true;
+        }
+
+        /// <summary>
+        /// 序列化消息包。
+        /// </summary>
+        /// <typeparam name="T">消息包类型。</typeparam>
+        /// <param name="packet">要序列化的消息包。</param>
+        /// <param name="destination">要序列化的目标流。</param>
+        /// <returns>是否序列化成功。</returns>
+        public bool Serialize<T>(T packet, Stream destination) where T : Packet
+        {
+            PacketBase packetImpl = packet as PacketBase;
+            if (packetImpl == null)
+            {
+                Log.Warning("Packet is invalid.");
+                return false;
+            }
+
+            _cachedStream.SetLength(_cachedStream.Capacity); // 此行防止 Array.Copy 的数据无法写入
+            _cachedStream.Position = 0L;
+
+            PacketHeader packetHeader = MemoryPool.Acquire<PacketHeader>();
+            Serializer.Serialize(_cachedStream, packetHeader);
+            MemoryPool.Release(packetHeader);
+
+            Serializer.SerializeWithLengthPrefix(_cachedStream, packet, PrefixStyle.Fixed32);
+            MemoryPool.Release((IMemory)packet);
+
+            _cachedStream.WriteTo(destination);
+            return true;
+        }
+
+        /// <summary>
+        /// 反序列化消息包头。
+        /// </summary>
+        /// <param name="source">要反序列化的来源流。</param>
+        /// <param name="customErrorData">用户自定义错误数据。</param>
+        /// <returns>反序列化后的消息包头。</returns>
+        public IPacketHeader DeserializePacketHeader(Stream source, out object customErrorData)
+        {
+            // 注意：此函数并不在主线程调用！
+            customErrorData = null;
+            return (IPacketHeader)RuntimeTypeModel.Default.Deserialize(source, MemoryPool.Acquire<PacketHeader>(), typeof(PacketHeader));
+        }
+
+        /// <summary>
+        /// 反序列化消息包。
+        /// </summary>
+        /// <param name="packetHeader">消息包头。</param>
+        /// <param name="source">要反序列化的来源流。</param>
+        /// <param name="customErrorData">用户自定义错误数据。</param>
+        /// <returns>反序列化后的消息包。</returns>
+        public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
+        {
+            // 注意：此函数并不在主线程调用！
+            customErrorData = null;
+
+            PacketHeader scPacketHeader = packetHeader as PacketHeader;
+            if (scPacketHeader == null)
+            {
+                Log.Warning("Packet header is invalid.");
+                return null;
+            }
+
+            Packet packet = null;
+            if (scPacketHeader.IsValid)
+            {
+                Type packetType = GetServerToClientPacketType(scPacketHeader.Id);
+                if (packetType != null)
+                {
+                    packet = (Packet)RuntimeTypeModel.Default.DeserializeWithLengthPrefix(source, MemoryPool.Acquire(packetType), packetType, PrefixStyle.Fixed32, 0);
+                }
+                else
+                {
+                    Log.Warning("Can not deserialize packet for packet id '{0}'.", scPacketHeader.Id.ToString());
+                }
+            }
+            else
+            {
+                Log.Warning("Packet header is invalid.");
+            }
+
+            MemoryPool.Release(scPacketHeader);
+            return packet;
+        }
+
+        private Type GetServerToClientPacketType(int id)
+        {
+            if (_serverToClientPacketTypes.TryGetValue(id, out var type))
+            {
+                return type;
+            }
+
+            return null;
+        }
+
+        private void OnNetworkConnected(INetworkChannel channel, object userdata)
+        {
+            if (channel != _networkChannel)
+            {
+                return;
+            }
+
+            Log.Info("Network channel '{0}' connected, local address '{1}', remote address '{2}'.",
+                channel.Name, channel.Socket.LocalEndPoint.ToString(),
+                channel.Socket.RemoteEndPoint.ToString());
+        }
+
+        private void OnNetworkClosed(INetworkChannel channel)
+        {
+            if (channel != _networkChannel)
+            {
+                return;
+            }
+
+            Log.Info("Network channel '{0}' closed.", channel.Name);
+        }
+
+        private void OnNetworkMissHeartBeat(INetworkChannel channel, int missCount)
+        {
+            if (channel != _networkChannel)
+            {
+                return;
+            }
+
+            Log.Info("Network channel '{0}' miss heart beat '{1}' times.", channel.Name, missCount.ToString());
+
+            if (missCount < 2)
+            {
+                return;
+            }
+
+            channel.Close();
+        }
+
+        private void OnNetworkError(INetworkChannel channel, NetworkErrorCode networkErrorCode, SocketError socketError, string errorMessage)
+        {
+            if (channel != _networkChannel)
+            {
+                return;
+            }
+
+            Log.Info("Network channel '{0}' error, error code is '{1}', error message is '{2}'.", channel.Name, networkErrorCode.ToString(), errorMessage);
+
+            channel.Close();
+        }
+
+        private void OnNetworkCustomError(INetworkChannel channel, object userData)
+        {
+            if (channel != _networkChannel)
+            {
+                return;
+            }
+        }
+
+        public void Clear()
+        {
+        }
+    }
+}

Assets/GameScripts/HotFix/GameLogic/Network/NetworkChannelHelper.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: bf86ce2ddfb5429abecfb06257c86acd
+timeCreated: 1682045961

Assets/GameScripts/HotFix/GameLogic/Network/PacketBase.cs

@@ -0,0 +1,24 @@
+using TEngine;
+
+namespace GameLogic
+{
+    /// <summary>
+    /// 网络消息包基类。
+    /// </summary>
+    public abstract class PacketBase : Packet
+    {
+        /// <summary>
+        /// 网络消息包Id。
+        /// </summary>
+        public int ProtoId;
+
+        /// <summary>
+        /// 网络消息包包体。
+        /// </summary>
+        public byte[] ProtoBody;
+    
+        public void Close()
+        {
+        }
+    }
+}

Assets/GameScripts/HotFix/GameLogic/Network/PacketBase.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: acea4283f57644b6b4452354d23f2803
+timeCreated: 1682045887

Assets/GameScripts/HotFix/GameLogic/Network/PacketHeader.cs

@@ -0,0 +1,47 @@
+using TEngine;
+
+namespace GameLogic
+{
+    /// <summary>
+    /// 网络消息包头。
+    /// </summary>
+    public class PacketHeader : IPacketHeader, IMemory
+    {
+        /// <summary>
+        /// 网络消息包Id。
+        /// </summary>
+        public short Id
+        {
+            get;
+            set;
+        }
+    
+        /// <summary>
+        /// 网络消息包长度。
+        /// </summary>
+        public int PacketLength
+        {
+            get;
+            set;
+        }
+    
+        /// <summary>
+        /// 网络消息包是否合法。
+        /// </summary>
+        public bool IsValid
+        {
+            get
+            {
+                return PacketLength >= 0;
+            }
+        }
+
+        /// <summary>
+        /// 清除网络消息包头。
+        /// </summary>
+        public void Clear()
+        {
+            PacketLength = 0;
+        }
+    }
+}

Assets/GameScripts/HotFix/GameLogic/Network/PacketHeader.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 30edc133b73141598b5351d4afc2ad93
+timeCreated: 1682046771

Assets/GameScripts/HotFix/GameLogic/Network/ProtoPacket.cs

@@ -0,0 +1,15 @@
+namespace GameLogic
+{
+    /// <summary>
+    /// 网络消息包。
+    /// </summary>
+    public partial class ProtoPacket : PacketBase
+    {
+        public override int Id => 1;
+
+        public override void Clear()
+        {
+            Close();
+        }
+    }
+}

Assets/GameScripts/HotFix/GameLogic/Network/ProtoPacket.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: da70995486db4799baba570b1767ab86
+timeCreated: 1682045865

Assets/GameScripts/HotFix/GameLogic/Network/ProtobufUtils.cs

@@ -0,0 +1,138 @@
+// using System;
+// using System.ComponentModel;
+// using System.IO;
+// using ProtoBuf;
+// using ProtoBuf.Meta;
+//
+// /// <summary>
+// /// ProtoBuf工具
+// /// </summary>
+// public class ProtobufUtils
+// {
+//     /// <summary>
+//     /// 消息压入内存流。
+//     /// </summary>
+//     /// <param name="message"></param>
+//     /// <param name="stream"></param>
+//     public static void ToStream(object message, MemoryStream stream)
+//     {
+//         ((IMessage)message).WriteTo(stream);
+//     }
+//
+//     /// <summary>
+//     /// 比特流解析。
+//     /// </summary>
+//     /// <param name="type"></param>
+//     /// <param name="bytes"></param>
+//     /// <param name="index"></param>
+//     /// <param name="count"></param>
+//     /// <returns></returns>
+//     public static object FromBytes(Type type, byte[] bytes, int index, int count)
+//     {
+//         object message = Activator.CreateInstance(type);
+//         ((IMessage)message).MergeFrom(bytes, index, count);
+//         ISupportInitialize iSupportInitialize = message as ISupportInitialize;
+//         if (iSupportInitialize == null)
+//         {
+//             return message;
+//         }
+//
+//         iSupportInitialize.EndInit();
+//         return message;
+//     }
+//
+//     /// <summary>
+//     /// 比特流解析。
+//     /// </summary>
+//     /// <param name="instance"></param>
+//     /// <param name="bytes"></param>
+//     /// <param name="index"></param>
+//     /// <param name="count"></param>
+//     /// <returns></returns>
+//     public static object FromBytes(object instance, byte[] bytes, int index, int count)
+//     {
+//         object message = instance;
+//         ((IMessage)message).MergeFrom(bytes, index, count);
+//         ISupportInitialize iSupportInitialize = message as ISupportInitialize;
+//         if (iSupportInitialize == null)
+//         {
+//             return message;
+//         }
+//
+//         iSupportInitialize.EndInit();
+//         return message;
+//     }
+//
+//     /// <summary>
+//     /// 从内存流取出。
+//     /// </summary>
+//     /// <param name="type"></param>
+//     /// <param name="stream"></param>
+//     /// <returns></returns>
+//     public static object FromStream(Type type, MemoryStream stream)
+//     {
+//         object message = Activator.CreateInstance(type);
+//         ((IMessage)message).MergeFrom(stream.GetBuffer(), (int)stream.Position, (int)stream.Length);
+//         ISupportInitialize iSupportInitialize = message as ISupportInitialize;
+//         if (iSupportInitialize == null)
+//         {
+//             return message;
+//         }
+//
+//         iSupportInitialize.EndInit();
+//         return message;
+//     }
+//
+//     /// <summary>
+//     /// 从内存流取出。
+//     /// </summary>
+//     /// <param name="message"></param>
+//     /// <param name="stream"></param>
+//     /// <returns></returns>
+//     public static object FromStream(object message, MemoryStream stream)
+//     {
+//         // TODO 这个message最好从池中获取，减少gc
+//         ((IMessage)message).MergeFrom(stream.GetBuffer(), (int)stream.Position, (int)stream.Length);
+//         ISupportInitialize iSupportInitialize = message as ISupportInitialize;
+//         if (iSupportInitialize == null)
+//         {
+//             return message;
+//         }
+//
+//         iSupportInitialize.EndInit();
+//         return message;
+//     }
+//
+//     /// <summary>
+//     /// 序列化protobuf
+//     /// </summary>
+//     /// <param name="message"></param>
+//     /// <returns></returns>
+//     public static byte[] Serialize(object message)
+//     {
+//         return ((IMessage)message).ToByteArray();
+//     }
+//
+//     /// <summary>
+//     /// 反序列化protobuf
+//     /// </summary>
+//     /// <typeparam name="T"></typeparam>
+//     /// <param name="dataBytes"></param>
+//     /// <returns></returns>
+//     public static T Deserialize<T>(byte[] dataBytes) where T : IMessage, new()
+//     {
+//         T msg = new T();
+//         msg = (T)msg.Descriptor.Parser.ParseFrom(dataBytes);
+//         return msg;
+//     }
+//
+//     public static int GetHighOrder(int cmdMerge)
+//     {
+//         return cmdMerge >> 16;
+//     }
+//
+//     public static int GetLowOrder(int cmdMerge)
+//     {
+//         return cmdMerge & 65535;
+//     }
+// }

Assets/GameScripts/HotFix/GameLogic/Network/ProtobufUtils.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 972ca4545003463d8710de956f0fde66
+timeCreated: 1682047511

Assets/TEngine/Runtime/GameFramework/Network/Interface/INetworkChannel.cs

@@ -129,6 +129,13 @@ namespace TEngine
         /// <param name="msgDelegate">要注册的网络消息包处理函数。</param>
         void RemoveMsgHandler(int msgId, CsMsgDelegate msgDelegate);
 
+        /// <summary>
+        /// 连接到远程主机。
+        /// </summary>
+        /// <param name="ipAddress">远程主机的 IP 地址。</param>
+        /// <param name="port">远程主机的端口号。</param>
+        void Connect(string ipAddress, int port);
+        
         /// <summary>
         /// 连接到远程主机。
         /// </summary>

Assets/TEngine/Runtime/GameFramework/Network/NetworkManager.NetworkChannelBase.cs

@@ -275,6 +275,17 @@ namespace TEngine
                 }
             }
             
+            /// <summary>
+            /// 连接到远程主机。
+            /// </summary>
+            /// <param name="ipAddress">远程主机的 IP 地址。</param>
+            /// <param name="port">远程主机的端口号。</param>
+            public void Connect(string ipAddress, int port)
+            {
+                IPAddress address = IPAddress.Parse(ipAddress);
+                Connect(address, port, null);
+            }
+
             /// <summary>
             /// 连接到远程主机。
             /// </summary>