[feat]标准网络封包新增wireshark协议插件，便于分析网络包；StandardCodec支持编码基础类型

Doc/newlife.lua

@@ -0,0 +1,71 @@
+do
+    local p_newlife = Proto("newlife", "新生命标准网络封包")
+
+    -- https://www.wireshark.org/docs/wsdg_html_chunked/lua_module_Proto.html#lua_class_ProtoField
+    local FF_flag = {
+        [8] = "[Reply]",
+        [7] = "[Error/Oneway]",
+        [3] = "[Encrypted]",
+        [2] = "[Compressed]",
+        [1] = "[Binary]"
+    }
+
+    local f_flag = ProtoField.uint8("NewLife.flag", "标记", base.HEX, FF_flag, 0xFF)
+    -- local f_flag = ProtoField.uint8("NewLife.flag", "标记", base.HEX)
+    local f_seq = ProtoField.uint8("NewLife.seq", "序列号", base.DEC)
+    local f_length = ProtoField.uint16("NewLife.length", "长度", base.DEC)
+    -- local f_data = ProtoField.string("NewLife.data", "内容", base.UNICODE)
+    local f_data = ProtoField.bytes("NewLife.data", "数据", base.SPACE)
+
+    p_newlife.fields = {f_flag, f_seq, f_length, f_data}
+
+    local data_dis = Dissector.get("data")
+
+    local function NewLife_dissector(buf, pkt, root)
+        local buf_len = buf:len();
+        if buf_len < 4 then
+            return false
+        end
+
+        local tvb = buf:range()
+        local v_flag = tvb(0, 1)
+        local v_seq = tvb(1, 1)
+        local v_length = tvb(2, 2)
+        local flag = tvb(0, 1):uint()
+
+        local len = tvb(2, 2):le_uint()
+        local v_data = tvb(4, len)
+
+        pkt.cols.protocol = "NewLife"
+
+        local t = root:add(p_newlife, buf)
+        t:add(f_flag, v_flag)
+        t:add(f_seq, v_seq)
+        t:add_le(f_length, v_length)
+
+        -- t:add_packet_field(f_data, v_data, ENC_UTF_8 + ENC_STRING)
+        t:add(f_data, v_data)
+
+        return true
+    end
+
+    function p_newlife.dissector(buf, pkt, root)
+        if NewLife_dissector(buf, pkt, root) then
+            -- valid NewLife diagram
+        else
+            data_dis:call(buf, pkt, root)
+        end
+    end
+
+    local udp_encap_table = DissectorTable.get("udp.port")
+    udp_encap_table:add(5500, p_newlife)
+    udp_encap_table:add(9999, p_newlife)
+    udp_encap_table:add(777, p_newlife)
+    udp_encap_table:add(12345, p_newlife)
+
+    local tcp_encap_table = DissectorTable.get("tcp.port")
+    tcp_encap_table:add(5500, p_newlife)
+    tcp_encap_table:add(9999, p_newlife)
+    tcp_encap_table:add(777, p_newlife)
+    tcp_encap_table:add(12345, p_newlife)
+end

NewLife.Core/Net/Handlers/StandardCodec.cs

@@ -1,6 +1,8 @@
 using NewLife.Data;
 using NewLife.Messaging;
 using NewLife.Model;
+using NewLife.Reflection;
+using NewLife.Serialization;
 
 namespace NewLife.Net.Handlers;
 
@@ -18,6 +20,20 @@ public class StandardCodec : MessageCodec<IMessage>
     /// <returns></returns>
     public override Object? Write(IHandlerContext context, Object message)
     {
+        // 基础类型
+        if (message is String str)
+        {
+            message = new Packet(str.GetBytes());
+        }
+        else if (message.GetType().GetTypeCode() != TypeCode.Object)
+        {
+            message = Binary.FastWrite(message);
+        }
+        else if (message is Byte[] buf)
+        {
+            message = new Packet(buf);
+        }
+
         if (UserPacket && message is Packet pk)
             message = new DefaultMessage { Payload = pk, Sequence = (Byte)Interlocked.Increment(ref _gid) };
         else if (message is DefaultMessage msg && !msg.Reply && msg.Sequence == 0)