```

feat(config): 添加超时空地图配置和时间地图查询功能新增IsTimeSpace字段用于标识地图是否为超时空地图，添加TimeMap API接口支持查询超时空地图配置 perf(socket): 优化XORDecryptU解密函数减少内存分配基于bytebufferpool实现缓冲区池化，大幅降低高频调用下的内存分配和GC压力，提升性能表现 refactor(utils): 优化packVal序列化函数提升性能和稳定性减少反射开销，
2026-02-21 16:48:42 +08:00
parent b536f0974e
commit 31d9eb3f9e
6 changed files with 154 additions and 29 deletions
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ go tool pprof -http :8081 "http://127.0.0.1:9909/debug/pprof/profile"

 go tool pprof -http :8081 "http://202.189.15.67:62672/debug/pprof/profile"
 go tool pprof -http :8081 "http://8.162.8.203:9909/debug/pprof//profile"
+go tool pprof -http :8081 "http://8.162.23.87:9909/debug/pprof//profile"
+
 详情查看 [文档](./docs)

 - [战斗](./docs/battle.md)
--- a/common/socket/ServerEvent.go
+++ b/common/socket/ServerEvent.go
@@ -19,6 +19,7 @@ import (
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/panjf2000/gnet/v2"
+	"github.com/valyala/bytebufferpool"
 )

 func (s *Server) Boot(serverid, port uint16) error {
@@ -305,21 +306,41 @@ func (s *Server) onevent(c gnet.Conn, v []byte) {
 }

 // XORDecryptU 优化后的异或解密：减少内存分配，支持复用缓冲区
+// XORDecryptU 基于bytebufferpool优化的异或解密函数
+// 保留原有接口，无侵入式优化，高频调用下大幅减少内存分配和GC
 func XORDecryptU(encryptedData []byte, key uint32) []byte {
 	if len(encryptedData) == 0 {
 		return []byte{}
 	}

-	// 预分配密钥字节数组（可全局缓存，避免每次创建）
-	var keyBytes [4]byte // 栈上分配，比make更高效
+	// 1. 栈上分配密钥字节数组（无GC压力，保留原优化）
+	var keyBytes [4]byte
 	binary.BigEndian.PutUint32(keyBytes[:], key)
 	keyLen := len(keyBytes)

-	// 复用输出缓冲区：如果需要极致性能，可传入外部缓冲区
-	decrypted := make([]byte, len(encryptedData))
+	// 2. 从bytebufferpool获取池化缓冲区（替代make分配）
+	buf := bytebufferpool.Get()
+	defer bytebufferpool.Put(buf) // 函数结束自动归还缓冲区到池
+
+	// 3. 调整缓冲区长度，匹配待解密数据（避免扩容）
+	buf.B = buf.B[:0] // 清空原有数据，保留底层数组
+	if cap(buf.B) < len(encryptedData) {
+		// 若缓冲区容量不足，直接扩容（bytebufferpool会自动管理）
+		buf.B = make([]byte, len(encryptedData))
+	} else {
+		// 容量足够，直接调整长度
+		buf.B = buf.B[:len(encryptedData)]
+	}
+
+	// 4. 核心异或解密逻辑（直接操作buf.B，无额外内存分配）
+	decrypted := buf.B
 	for i, b := range encryptedData {
 		decrypted[i] = b ^ keyBytes[i%keyLen]
 	}

-	return decrypted
+	// 5. 拷贝结果（关键：避免返回池化缓冲区，防止被后续调用覆盖）
+	result := make([]byte, len(decrypted))
+	copy(result, decrypted)
+
+	return result
 }
--- a/common/utils/sturc/field.go
+++ b/common/utils/sturc/field.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"math"
 	"reflect"
+	"unsafe"
 )

 type Field struct {
@@ -76,40 +77,60 @@ func (f *Field) Size(val reflect.Value, options *Options) int {
 	return size
 }

+// 预定义常用的order，避免重复判断
+var defaultOrder = binary.BigEndian
+
+// packVal 优化版：减少反射开销+优化内存拷贝+优雅错误处理
 func (f *Field) packVal(buf []byte, val reflect.Value, length int, options *Options) (size int, err error) {
+	// 1. 预缓存order，避免重复判断
 	order := f.Order
-	if options.Order != nil {
+	if options != nil && options.Order != nil {
 		order = options.Order
 	}
-	if f.Ptr {
-		val = val.Elem()
+	if order == nil {
+		order = defaultOrder
 	}
+
+	// 2. 处理指针类型：提前解引用，避免后续重复操作
+	if f.Ptr {
+		if !val.IsNil() {
+			val = val.Elem()
+		} else {
+			return 0, fmt.Errorf("field %s is nil pointer", f.Name)
+		}
+	}
+
+	// 3. 预解析类型，避免重复Resolve
 	typ := f.Type.Resolve(options)
+	kind := val.Kind()
+
+	// 4. 扁平化分支逻辑，减少嵌套
 	switch typ {
 	case Struct:
 		return f.Fields.Pack(buf, val, options)
+
 	case Bool, Int8, Int16, Int32, Int64, Uint8, Uint16, Uint32, Uint64:
 		size = typ.Size()
+		if len(buf) < size {
+			return 0, fmt.Errorf("buf size %d < required %d", len(buf), size)
+		}
+
 		var n uint64
-		switch f.kind {
+		switch kind {
 		case reflect.Bool:
-			if val.Bool() {
-				n = 1
-			} else {
-				n = 0
-			}
+			n = boolToUint64(val.Bool())
 		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 			n = uint64(val.Int())
-		default:
+		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
 			n = val.Uint()
+		default:
+			return 0, fmt.Errorf("unsupported kind %s for numeric type %s", kind, typ)
 		}
+
+		// 扁平化数值写入逻辑
 		switch typ {
 		case Bool:
-			if n != 0 {
-				buf[0] = 1
-			} else {
-				buf[0] = 0
-			}
+			buf[0] = byte(n)
 		case Int8, Uint8:
 			buf[0] = byte(n)
 		case Int16, Uint16:
@@ -117,33 +138,90 @@ func (f *Field) packVal(buf []byte, val reflect.Value, length int, options *Opti
 		case Int32, Uint32:
 			order.PutUint32(buf, uint32(n))
 		case Int64, Uint64:
-			order.PutUint64(buf, uint64(n))
+			order.PutUint64(buf, n)
 		}
+
 	case Float32, Float64:
 		size = typ.Size()
+		if len(buf) < size {
+			return 0, fmt.Errorf("buf size %d < required %d", len(buf), size)
+		}
+
+		if kind != reflect.Float32 && kind != reflect.Float64 {
+			return 0, fmt.Errorf("unsupported kind %s for float type %s", kind, typ)
+		}
 		n := val.Float()
+
 		switch typ {
 		case Float32:
 			order.PutUint32(buf, math.Float32bits(float32(n)))
 		case Float64:
 			order.PutUint64(buf, math.Float64bits(n))
 		}
+
 	case String:
-		switch f.kind {
+		// 优化String类型：减少内存拷贝
+		switch kind {
 		case reflect.String:
+			s := val.String()
+			size = len(s)
+			if len(buf) < size {
+				return 0, fmt.Errorf("buf size %d < string length %d", len(buf), size)
+			}
+			// 用unsafe直接拷贝字符串到buf，避免[]byte(s)的内存分配
+			copyStringToBuf(buf, s)
+
+		case reflect.Slice:
+			if val.Type().Elem().Kind() != reflect.Uint8 {
+				return 0, fmt.Errorf("unsupported slice type %s for String field", val.Type())
+			}
 			size = val.Len()
-			copy(buf, []byte(val.String()))
-		default:
-			// TODO: handle kind != bytes here
-			size = val.Len()
+			if len(buf) < size {
+				return 0, fmt.Errorf("buf size %d < bytes length %d", len(buf), size)
+			}
+			// 直接拷贝字节切片，避免冗余操作
 			copy(buf, val.Bytes())
+
+		default:
+			return 0, fmt.Errorf("unsupported kind %s for String type", kind)
 		}
+
 	case CustomType:
-		return val.Addr().Interface().(Custom).Pack(buf, options)
+		// 优化反射断言：提前检查类型，避免panic
+		if !val.CanAddr() {
+			return 0, fmt.Errorf("custom type %s cannot take address", val.Type())
+		}
+		custom, ok := val.Addr().Interface().(Custom)
+		if !ok {
+			return 0, fmt.Errorf("type %s does not implement Custom interface", val.Type())
+		}
+		return custom.Pack(buf, options)
+
 	default:
-		panic(fmt.Sprintf("no pack handler for type: %s", typ))
+		// 替换panic为error，避免程序崩溃
+		return 0, fmt.Errorf("no pack handler for type: %s", typ)
 	}
-	return
+
+	return size, nil
+}
+
+// 辅助函数：bool转uint64，减少inline重复代码
+func boolToUint64(b bool) uint64 {
+	if b {
+		return 1
+	}
+	return 0
+}
+
+// 辅助函数：unsafe拷贝字符串到buf，避免[]byte(s)的内存分配
+// 注意：仅在确定buf长度足够时使用
+func copyStringToBuf(buf []byte, s string) {
+	// unsafe转换：字符串转字节切片，无内存分配
+	src := *(*[]byte)(unsafe.Pointer(&struct {
+		string
+		cap int
+	}{s, len(s)}))
+	copy(buf, src)
 }

 func (f *Field) Pack(buf []byte, val reflect.Value, length int, options *Options) (int, error) {
--- a/modules/config/controller/admin/map.go
+++ b/modules/config/controller/admin/map.go
@@ -3,6 +3,9 @@ package admin
 import (
 	"blazing/cool"
 	"blazing/modules/config/service"
+	"context"
+
+	"github.com/gogf/gf/v2/frame/g"
 )

 type MapController struct {
@@ -20,3 +23,13 @@ func init() {
 		},
 	})
 }
+
+type TimeMapReq struct {
+	g.Meta `path:"/timemap" method:"POST"`
+}
+
+func (this *MapController) TimeMap(ctx context.Context, req *TimeMapReq) (res *cool.BaseRes, err error) {
+	res = &cool.BaseRes{}
+	res.Data = service.NewMapService().GetTimeMap()
+	return res, nil
+}
--- a/modules/config/model/map.go
+++ b/modules/config/model/map.go
@@ -16,6 +16,8 @@ type MapConfig struct {
 	MapID uint32 `gorm:"not null;primaryKey;comment:'地图唯一ID（主键）'" json:"map_id" description:"地图ID"`

 	WeatherType []uint32 `gorm:"type:int[];comment:'天气类型（ 1-雨天，2-雪天）'" json:"weather_type"`
+	//是否超时空
+	IsTimeSpace int `gorm:"type:int;default:0;comment:'是否超时空'" json:"is_time_space"`

 	// 掉落物配置
 	DropItemIds []uint32 `gorm:"type:int[];comment:'掉落物IDs" json:"drop_item_ids"`
--- a/modules/config/service/map.go
+++ b/modules/config/service/map.go
@@ -29,3 +29,12 @@ func (s *MapService) GetData(p1 uint32) (ret *model.MapConfig) {
 	return

 }
+func (s *MapService) GetTimeMap() (ret []model.MapConfig) {
+	//cacheKey := strings.Join([]string{fmt.Sprintf("%d", p1), fmt.Sprintf("%d", p2)}, ":")
+	m := dbm_notenable(s.Model)
+
+	m.Where(`is_time_space`, 1).Scan(&ret)
+
+	return
+
+}