From 904aea5df88280fbbf65456a9bf80ced68624618 Mon Sep 17 00:00:00 2001 From: WJQSERVER <114663932+WJQSERVER@users.noreply.github.com> Date: Sun, 14 Dec 2025 22:56:37 +0800 Subject: [PATCH 1/4] refactor: Improve engine's tree processing and context handling. --- context.go | 18 +++++++++++++++++- engine.go | 9 +++------ tree.go | 26 ++++++++------------------ 3 files changed, 28 insertions(+), 25 deletions(-) diff --git a/context.go b/context.go index c79e4cc..644bbc6 100644 --- a/context.go +++ b/context.go @@ -65,6 +65,10 @@ type Context struct { // 请求体Body大小限制 MaxRequestBodySize int64 + + // skippedNodes 用于记录跳过的节点信息,以便回溯 + // 通常在处理嵌套路由时使用 + SkippedNodes []skippedNode } // --- Context 相关方法实现 --- @@ -80,7 +84,13 @@ func (c *Context) reset(w http.ResponseWriter, req *http.Request) { } c.Request = req - c.Params = c.Params[:0] // 清空 Params 切片,而不是重新分配,以复用底层数组 + //c.Params = c.Params[:0] // 清空 Params 切片,而不是重新分配,以复用底层数组 + //避免params长度为0 + if cap(c.Params) > 0 { + c.Params = c.Params[:0] + } else { + c.Params = make(Params, 0, 5) + } c.handlers = nil c.index = -1 // 初始为 -1,`Next()` 将其设置为 0 c.Keys = make(map[string]any) // 每次请求重新创建 map,避免数据污染 @@ -90,6 +100,12 @@ func (c *Context) reset(w http.ResponseWriter, req *http.Request) { c.ctx = req.Context() // 使用请求的上下文,继承其取消信号和值 c.sameSite = http.SameSiteDefaultMode // 默认 SameSite 模式 c.MaxRequestBodySize = c.engine.GlobalMaxRequestBodySize + + if cap(c.SkippedNodes) > 0 { + c.SkippedNodes = c.SkippedNodes[:0] + } else { + c.SkippedNodes = make([]skippedNode, 0, 256) + } } // Next 在处理链中执行下一个处理函数 diff --git a/engine.go b/engine.go index 581258c..0cdd5cc 100644 --- a/engine.go +++ b/engine.go @@ -432,9 +432,8 @@ func MethodNotAllowed() HandlerFunc { // 如果是 OPTIONS 请求,尝试查找所有允许的方法 allowedMethods := []string{} for _, treeIter := range engine.methodTrees { - var tempSkippedNodes []skippedNode // 注意这里 treeIter.root 才是正确的,因为 treeIter 是 methodTree 类型 - value := treeIter.root.getValue(requestPath, nil, &tempSkippedNodes, false) + value := treeIter.root.getValue(requestPath, nil, &c.SkippedNodes, false) if value.handlers != nil { allowedMethods = append(allowedMethods, treeIter.method) } @@ -451,9 +450,8 @@ func MethodNotAllowed() HandlerFunc { if treeIter.method == httpMethod { // 已经处理过当前方法,跳过 continue } - var tempSkippedNodes []skippedNode // 用于临时查找,不影响主 Context // 注意这里 treeIter.root 才是正确的,因为 treeIter 是 methodTree 类型 - value := treeIter.root.getValue(requestPath, nil, &tempSkippedNodes, false) // 只查找是否存在,不需要参数 + value := treeIter.root.getValue(requestPath, nil, &c.SkippedNodes, false) // 只查找是否存在,不需要参数 if value.handlers != nil { // 使用定义的ErrorHandle处理 engine.errorHandle.handler(c, http.StatusMethodNotAllowed, errors.New("method not allowed")) @@ -661,9 +659,8 @@ func (engine *Engine) handleRequest(c *Context) { // 查找匹配的节点和处理函数 // 这里传递 &c.Params 而不是重新创建,以利用 Context 中预分配的容量 // skippedNodes 内部使用,因此无需从外部传入已分配的 slice - var skippedNodes []skippedNode // 用于回溯的跳过节点 // 直接在 rootNode 上调用 getValue 方法 - value := rootNode.getValue(requestPath, &c.Params, &skippedNodes, true) // unescape=true 对路径参数进行 URL 解码 + value := rootNode.getValue(requestPath, &c.Params, &c.SkippedNodes, true) // unescape=true 对路径参数进行 URL 解码 if value.handlers != nil { //c.handlers = engine.combineHandlers(engine.globalHandlers, value.handlers) // 组合全局中间件和路由处理函数 diff --git a/tree.go b/tree.go index 09711a1..31246a5 100644 --- a/tree.go +++ b/tree.go @@ -5,7 +5,6 @@ package touka import ( - "bytes" "net/url" "strings" "unicode" @@ -27,12 +26,6 @@ func BytesToString(b []byte) string { return unsafe.String(unsafe.SliceData(b), len(b)) } -var ( - strColon = []byte(":") // 定义字节切片常量, 表示冒号, 用于路径参数识别 - strStar = []byte("*") // 定义字节切片常量, 表示星号, 用于捕获所有路径识别 - strSlash = []byte("/") // 定义字节切片常量, 表示斜杠, 用于路径分隔符识别 -) - // Param 是单个 URL 参数, 由键和值组成. type Param struct { Key string // 参数的键名 @@ -106,17 +99,14 @@ func (n *node) addChild(child *node) { // countParams 计算路径中参数(冒号)和捕获所有(星号)的数量. func countParams(path string) uint16 { - var n uint16 - s := StringToBytes(path) // 将路径字符串转换为字节切片 - n += uint16(bytes.Count(s, strColon)) // 统计冒号的数量 - n += uint16(bytes.Count(s, strStar)) // 统计星号的数量 - return n + colons := strings.Count(path, ":") + stars := strings.Count(path, "*") + return uint16(colons + stars) } // countSections 计算路径中斜杠('/')的数量, 即路径段的数量. func countSections(path string) uint16 { - s := StringToBytes(path) // 将路径字符串转换为字节切片 - return uint16(bytes.Count(s, strSlash)) // 统计斜杠的数量 + return uint16(strings.Count(path, "/")) } // nodeType 定义了节点的类型. @@ -418,10 +408,10 @@ func (n *node) insertChild(path string, fullPath string, handlers HandlersChain) fullPath: fullPath, // 设置完整路径 } - n.addChild(child) // 添加子节点 - n.indices = string('/') // 索引设置为 '/' - n = child // 移动到新创建的 catchAll 节点 - n.priority++ // 增加优先级 + n.addChild(child) // 添加子节点 + n.indices = "/" // 索引设置为 '/' + n = child // 移动到新创建的 catchAll 节点 + n.priority++ // 增加优先级 // 第二个节点: 包含变量的节点 child = &node{ From 9cfc82a3470df126ee2e824cc61af25726758912 Mon Sep 17 00:00:00 2001 From: WJQSERVER <114663932+WJQSERVER@users.noreply.github.com> Date: Sun, 14 Dec 2025 22:57:48 +0800 Subject: [PATCH 2/4] chore: update go module dependencies. --- go.mod | 6 +++--- go.sum | 6 ++++++ 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index d8b0dfc..bd8f41d 100644 --- a/go.mod +++ b/go.mod @@ -5,12 +5,12 @@ go 1.25.1 require ( github.com/WJQSERVER-STUDIO/go-utils/iox v0.0.2 github.com/WJQSERVER-STUDIO/httpc v0.8.2 - github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee + github.com/WJQSERVER/wanf v0.0.2 github.com/fenthope/reco v0.0.4 - github.com/go-json-experiment/json v0.0.0-20250910080747-cc2cfa0554c3 + github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e ) require ( github.com/valyala/bytebufferpool v1.0.0 // indirect - golang.org/x/net v0.46.0 // indirect + golang.org/x/net v0.48.0 // indirect ) diff --git a/go.sum b/go.sum index ca56e55..3e9287c 100644 --- a/go.sum +++ b/go.sum @@ -4,15 +4,21 @@ github.com/WJQSERVER-STUDIO/httpc v0.8.2 h1:PFPLodV0QAfGEP6915J57vIqoKu9cGuuiXG/ github.com/WJQSERVER-STUDIO/httpc v0.8.2/go.mod h1:8WhHVRO+olDFBSvL5PC/bdMkb6U3vRdPJ4p4pnguV5Y= github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee h1:tJ31DNBn6UhWkk8fiikAQWqULODM+yBcGAEar1tzdZc= github.com/WJQSERVER/wanf v0.0.0-20250810023226-e51d9d0737ee/go.mod h1:q2Pyg+G+s1acMWxrbI4CwS/Yk76/BzLREEdZ8iFwUNE= +github.com/WJQSERVER/wanf v0.0.2 h1:E3dfHP6AACYamKn5BVUpi7pkO3L26WJycKF4AhGusXY= +github.com/WJQSERVER/wanf v0.0.2/go.mod h1:q2Pyg+G+s1acMWxrbI4CwS/Yk76/BzLREEdZ8iFwUNE= github.com/fenthope/reco v0.0.4 h1:yo2g3aWwdoMpaZWZX4SdZOW7mCK82RQIU/YI8ZUQThM= github.com/fenthope/reco v0.0.4/go.mod h1:eMyS8HpdMVdJ/2WJt6Cvt8P1EH9Igzj5lSJrgc+0jeg= github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b h1:6Q4zRHXS/YLOl9Ng1b1OOOBWMidAQZR3Gel0UKPC/KU= github.com/go-json-experiment/json v0.0.0-20250813233538-9b1f9ea2e11b/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M= github.com/go-json-experiment/json v0.0.0-20250910080747-cc2cfa0554c3 h1:02WINGfSX5w0Mn+F28UyRoSt9uvMhKguwWMlOAh6U/0= github.com/go-json-experiment/json v0.0.0-20250910080747-cc2cfa0554c3/go.mod h1:uNVvRXArCGbZ508SxYYTC5v1JWoz2voff5pm25jU1Ok= +github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e h1:Lf/gRkoycfOBPa42vU2bbgPurFong6zXeFtPoxholzU= +github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e/go.mod h1:uNVvRXArCGbZ508SxYYTC5v1JWoz2voff5pm25jU1Ok= github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE= golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg= golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4= golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210= +golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU= +golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY= From 60b2936efff513254e0786fd84d566b0a5fb4b28 Mon Sep 17 00:00:00 2001 From: WJQSERVER <114663932+WJQSERVER@users.noreply.github.com> Date: Sun, 14 Dec 2025 23:16:29 +0800 Subject: [PATCH 3/4] add TempSkippedNodesPool --- context.go | 2 +- engine.go | 24 ++++++++++++++++++++++-- 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/context.go b/context.go index 644bbc6..00b842f 100644 --- a/context.go +++ b/context.go @@ -89,7 +89,7 @@ func (c *Context) reset(w http.ResponseWriter, req *http.Request) { if cap(c.Params) > 0 { c.Params = c.Params[:0] } else { - c.Params = make(Params, 0, 5) + c.Params = make(Params, 0, c.engine.maxParams) } c.handlers = nil c.index = -1 // 初始为 -1,`Next()` 将其设置为 0 diff --git a/engine.go b/engine.go index 0cdd5cc..b880b94 100644 --- a/engine.go +++ b/engine.go @@ -421,6 +421,22 @@ func getHandlerName(h HandlerFunc) string { } +// TempSkippedNodes池 +var TempSkippedNodesPool = sync.Pool{ + New: func() any { + return make([]skippedNode, 0, 256) + }, +} + +func GetTempSkippedNodes() *[]skippedNode { + return TempSkippedNodesPool.Get().(*[]skippedNode) +} + +func PutTempSkippedNodes(skippedNodes *[]skippedNode) { + *skippedNodes = (*skippedNodes)[:0] // 重置slice + TempSkippedNodesPool.Put(skippedNodes) +} + // 405中间件 func MethodNotAllowed() HandlerFunc { return func(c *Context) { @@ -433,7 +449,9 @@ func MethodNotAllowed() HandlerFunc { allowedMethods := []string{} for _, treeIter := range engine.methodTrees { // 注意这里 treeIter.root 才是正确的,因为 treeIter 是 methodTree 类型 - value := treeIter.root.getValue(requestPath, nil, &c.SkippedNodes, false) + tempSkippedNodes := GetTempSkippedNodes() + value := treeIter.root.getValue(requestPath, nil, tempSkippedNodes, false) + PutTempSkippedNodes(tempSkippedNodes) if value.handlers != nil { allowedMethods = append(allowedMethods, treeIter.method) } @@ -451,7 +469,9 @@ func MethodNotAllowed() HandlerFunc { continue } // 注意这里 treeIter.root 才是正确的,因为 treeIter 是 methodTree 类型 - value := treeIter.root.getValue(requestPath, nil, &c.SkippedNodes, false) // 只查找是否存在,不需要参数 + tempSkippedNodes := GetTempSkippedNodes() + value := treeIter.root.getValue(requestPath, nil, tempSkippedNodes, false) // 只查找是否存在,不需要参数 + PutTempSkippedNodes(tempSkippedNodes) if value.handlers != nil { // 使用定义的ErrorHandle处理 engine.errorHandle.handler(c, http.StatusMethodNotAllowed, errors.New("method not allowed")) From b348d7d41f393a06cae4569edaa6b8a7a8a6064f Mon Sep 17 00:00:00 2001 From: WJQSERVER <114663932+WJQSERVER@users.noreply.github.com> Date: Sun, 14 Dec 2025 23:42:50 +0800 Subject: [PATCH 4/4] update TempSkippedNodesPool --- engine.go | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/engine.go b/engine.go index b880b94..0a95765 100644 --- a/engine.go +++ b/engine.go @@ -421,19 +421,38 @@ func getHandlerName(h HandlerFunc) string { } -// TempSkippedNodes池 +const MaxSkippedNodesCap = 256 + +// TempSkippedNodesPool 存储 *[]skippedNode 以复用内存 var TempSkippedNodesPool = sync.Pool{ New: func() any { - return make([]skippedNode, 0, 256) + // 返回一个指向容量为 256 的新切片的指针 + s := make([]skippedNode, 0, MaxSkippedNodesCap) + return &s }, } +// GetTempSkippedNodes 从 Pool 中获取一个 *[]skippedNode 指针 func GetTempSkippedNodes() *[]skippedNode { + // 直接返回 Pool 中存储的指针 return TempSkippedNodesPool.Get().(*[]skippedNode) } +// PutTempSkippedNodes 将用完的 *[]skippedNode 指针放回 Pool func PutTempSkippedNodes(skippedNodes *[]skippedNode) { - *skippedNodes = (*skippedNodes)[:0] // 重置slice + if skippedNodes == nil || *skippedNodes == nil { + return + } + + // 检查容量是否符合预期。如果容量不足,则丢弃,不放回 Pool。 + if cap(*skippedNodes) < MaxSkippedNodesCap { + return // 丢弃该对象,让 Pool 在下次 Get 时通过 New 重新分配 + } + + // 长度重置为 0,保留容量,实现复用 + *skippedNodes = (*skippedNodes)[:0] + + // 将指针存回 Pool TempSkippedNodesPool.Put(skippedNodes) }