3 files changed, 20 insertions, 5 deletions

diff --git a/Tools/Hazel-Networking/Hazel/Udp/UdpClientConnection.cs b/Tools/Hazel-Networking/Hazel/Udp/UdpClientConnection.cs
index f6da329..90aeb0d 100644
--- a/Tools/Hazel-Networking/Hazel/Udp/UdpClientConnection.cs
+++ b/Tools/Hazel-Networking/Hazel/Udp/UdpClientConnection.cs
@@ -205,9 +205,10 @@ namespace Hazel.Udp
             }
 #endif
 
-            var msg = MessageReader.GetSized(this.ReceiveBufferSize);
+            var msg = MessageReader.GetSized(this.ReceiveBufferSize);//一个父message
             try
             {
+                // Buffer包含MessageWriter的整个内容，包括header
                 socket.BeginReceive(msg.Buffer, 0, msg.Buffer.Length, SocketFlags.None, ReadCallback, msg);
             }
             catch
@@ -282,7 +283,7 @@ namespace Hazel.Udp
             //Begin receiving again
             try
             {
-                StartListeningForData();
+                StartListeningForData(); //继续接受消息。它这里没有用async await在一个while里轮询，所以需要嵌套调用
             }
             catch (SocketException e)
             {
@@ -305,6 +306,7 @@ namespace Hazel.Udp
 
             DataReceivedRaw?.Invoke(msg.Buffer, msg.Length);
 #endif
+            //c //! 重点看这里面长什么样
             HandleReceive(msg, msg.Length);
         }
 
diff --git a/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.Reliable.cs b/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.Reliable.cs
index bed4738..cff403b 100644
--- a/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.Reliable.cs
+++ b/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.Reliable.cs
@@ -280,7 +280,18 @@ namespace Hazel.Udp
             ushort id;
             if (ProcessReliableReceive(message.Buffer, 1, out id))
             {
-                InvokeDataReceived(SendOption.Reliable, message, 3, bytesReceived);
+                //c 
+/*
+        void InvokeDataReceived(SendOption sendOption, MessageReader buffer, int dataOffset, int bytesReceived)
+        {
+            buffer.Offset = dataOffset;
+            buffer.Length = bytesReceived - dataOffset;
+            buffer.Position = 0;
+
+            InvokeDataReceived(buffer, sendOption);
+        }
+*/
+                InvokeDataReceived(SendOption.Reliable, message, 3, bytesReceived); // 鈭� 3鏄痟eader锛屼笉鏄痩ength+tag
             }
             else
             {
@@ -302,7 +313,7 @@ namespace Hazel.Udp
             byte b2 = bytes[offset + 1];
 
             //Get the ID form the packet
-            id = (ushort)((b1 << 8) + b2);
+            id = (ushort)((b1 << 8) + b2); // 鐢ㄤ簬鍙潬浼犺緭鐨刬d
 
             /*
              * It gets a little complicated here (note the fact I'm actually using a multiline comment for once...)
diff --git a/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.cs b/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.cs
index e64576a..78f1788 100644
--- a/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.cs
+++ b/Tools/Hazel-Networking/Hazel/Udp/UdpConnection.cs
@@ -77,7 +77,7 @@ namespace Hazel.Udp
                     case SendOption.Reliable:
                         ResetKeepAliveTimer();
 
-                        AttachReliableID(buffer, 1);
+                        AttachReliableID(buffer, 1); // 写入之前留空的用于可靠传输的ID
                         WriteBytesToConnection(buffer, buffer.Length);
                         Statistics.LogReliableSend(buffer.Length - 3);
                         break;
@@ -132,6 +132,7 @@ namespace Hazel.Udp
             {
                 //Handle reliable receives
                 case (byte)SendOption.Reliable:
+                    //c //!
                     ReliableMessageReceive(message, bytesReceived);
                     break;
 
@@ -161,6 +162,7 @@ namespace Hazel.Udp
                     break;
 
                 case (byte)SendOption.None:
+                    //c //!
                     InvokeDataReceived(SendOption.None, message, 1, bytesReceived);
                     Statistics.LogUnreliableReceive(bytesReceived - 1, bytesReceived);
                     break;