optimize sign mechanism

app/cmd/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
-	"github.com/fthvgb1/wp-go/app/mail"
+	"github.com/fthvgb1/wp-go/app/ossigns"
 	"github.com/fthvgb1/wp-go/app/pkg/cache"
 	"github.com/fthvgb1/wp-go/app/pkg/config"
 	"github.com/fthvgb1/wp-go/app/pkg/db"
@@ -14,14 +14,10 @@ import (
 	"github.com/fthvgb1/wp-go/app/theme"
 	"github.com/fthvgb1/wp-go/app/wpconfig"
 	"github.com/fthvgb1/wp-go/cache/cachemanager"
-	"github.com/fthvgb1/wp-go/cache/reload"
 	"github.com/fthvgb1/wp-go/model"
-	"log"
 	"os"
-	"os/signal"
 	"regexp"
 	"strings"
-	"syscall"
 	"time"
 )
 
@@ -89,52 +85,6 @@ func cronClearCache() {
 	}
 }
 
-func flushCache() {
-	defer func() {
-		if r := recover(); r != nil {
-			err := mail.SendMail([]string{config.GetConfig().Mail.User}, "清空缓存失败", fmt.Sprintf("err:[%s]", r))
-			logs.IfError(err, "发邮件失败")
-		}
-	}()
-	cachemanager.Flush()
-	log.Println("all cache flushed")
-}
-
-func reloads() {
-	defer func() {
-		if r := recover(); r != nil {
-			log.Println(r)
-		}
-	}()
-	err := config.InitConfig(confPath)
-	logs.IfError(err, "获取配置文件失败", confPath)
-	err = logs.InitLogger()
-	logs.IfError(err, "日志配置错误")
-	_, err = db.InitDb()
-	logs.IfError(err, "重新读取db失败", config.GetConfig().Mysql)
-	err = wpconfig.InitOptions()
-	logs.IfError(err, "获取网站设置WpOption失败")
-	err = wpconfig.InitTerms()
-	logs.IfError(err, "获取WpTerms表失败")
-	wphandle.LoadPlugins()
-	reload.Reloads("themeArgAndConfig")
-	flushCache()
-	log.Println("reload complete")
-}
-
-func signalNotify() {
-	c := make(chan os.Signal)
-	signal.Notify(c, syscall.SIGUSR1, syscall.SIGUSR2)
-	for {
-		switch <-c {
-		case syscall.SIGUSR1:
-			go reloads()
-		case syscall.SIGUSR2:
-			go flushCache()
-		}
-	}
-}
-
 func main() {
 	defer func() {
 		if r := recover(); r != nil {
@@ -143,7 +93,8 @@ func main() {
 		}
 	}()
 	inits()
-	go signalNotify()
+	ossigns.SetConfPath(confPath)
+	go ossigns.SignalNotify()
 	Gin := route.SetupRouter()
 	c := config.GetConfig()
 	if c.Ssl.Key != "" && c.Ssl.Cert != "" {

app/ossigns/sings.go

@@ -0,0 +1,69 @@
+package ossigns
+
+import (
+	"fmt"
+	"github.com/fthvgb1/wp-go/app/mail"
+	"github.com/fthvgb1/wp-go/app/pkg/config"
+	"github.com/fthvgb1/wp-go/app/pkg/db"
+	"github.com/fthvgb1/wp-go/app/pkg/logs"
+	"github.com/fthvgb1/wp-go/app/plugins/wphandle"
+	"github.com/fthvgb1/wp-go/app/wpconfig"
+	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/cache/reload"
+	"github.com/fthvgb1/wp-go/signs"
+	"log"
+	"syscall"
+)
+
+var confPath string
+
+func SetConfPath(path string) {
+	confPath = path
+}
+
+func FlushCache() {
+	defer func() {
+		if r := recover(); r != nil {
+			err := mail.SendMail([]string{config.GetConfig().Mail.User}, "清空缓存失败", fmt.Sprintf("err:[%s]", r))
+			logs.IfError(err, "发邮件失败")
+		}
+	}()
+	cachemanager.Flush()
+	log.Println("all cache flushed")
+}
+
+func Reloads() {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println(r)
+		}
+	}()
+	err := config.InitConfig(confPath)
+	logs.IfError(err, "获取配置文件失败", confPath)
+	err = logs.InitLogger()
+	logs.IfError(err, "日志配置错误")
+	_, err = db.InitDb()
+	logs.IfError(err, "重新读取db失败", config.GetConfig().Mysql)
+	err = wpconfig.InitOptions()
+	logs.IfError(err, "获取网站设置WpOption失败")
+	err = wpconfig.InitTerms()
+	logs.IfError(err, "获取WpTerms表失败")
+	wphandle.LoadPlugins()
+	reload.Reloads("themeArgAndConfig")
+	FlushCache()
+	log.Println("reload complete")
+}
+
+func SignalNotify() {
+	rel := func() bool {
+		go Reloads()
+		return true
+	}
+	flu := func() bool {
+		go FlushCache()
+		return true
+	}
+	signs.Install(syscall.SIGUSR1, rel, "reload")
+	signs.Install(syscall.SIGUSR2, flu, "flush")
+	signs.Wait()
+}

helper/httptool/http.go

@@ -153,46 +153,45 @@ func SetBody(req *http.Request, types int, form map[string]any) (err error) {
 			return
 		}
 		bb, ok := maps.GetStrAnyVal[*[]byte](form, "binary")
-		if !ok {
+		if ok {
-			return errors.New("no binary value")
+			req.Body = io.NopCloser(NewBodyBuffer(bb))
+			req.Header.Add("Content-Type", "application/octet-stream")
+			req.ContentLength = int64(len(*bb))
+			return
 		}
-		req.Body = io.NopCloser(&BodyBuffer{0, bb})
+		bf, ok := maps.GetStrAnyVal[*BodyBuffer](form, "binary")
-		req.Header.Add("Content-Type", "application/octet-stream")
+		if ok {
-		req.ContentLength = int64(len(*bb))
+			req.Body = bf
+			req.Header.Add("Content-Type", "application/octet-stream")
+			req.ContentLength = int64(len(*bf.Data))
+			return
+		}
+		return errors.New("no binary value")
 
 	}
 	return
 }
 
 type BodyBuffer struct {
-	Offset int
+	Offset  int
-	Data   *[]byte
+	Data    *[]byte
+	ReadFn  func([]byte) (int, error)
+	CloseFn func() error
 }
 
-func (b *BodyBuffer) Write(p []byte) (int, error) {
+func (b *BodyBuffer) Close() error {
-	if b.Offset == 0 {
+	if b.CloseFn != nil {
-		copy(*b.Data, p)
+		return b.CloseFn()
-		if len(p) <= len(*b.Data) {
-			b.Offset += len(p)
-			return len(p), nil
-		}
-		b.Offset += len(*b.Data)
-		return len(*b.Data), nil
 	}
-	if len(p)+b.Offset <= len(*b.Data) {
+	b.Offset = 0
-		copy((*b.Data)[b.Offset:b.Offset+len(p)], p)
+	return nil
-		b.Offset += len(p)
-		return len(p), nil
-	}
-	l := len(*b.Data) - b.Offset
-	if l <= 0 {
-		return 0, nil
-	}
-	copy((*b.Data)[b.Offset:], p[:l])
-	return l, nil
 }
 
 func (b *BodyBuffer) Read(p []byte) (int, error) {
+	return b.ReadFn(p)
+}
+
+func (b *BodyBuffer) Reads(p []byte) (int, error) {
 	data := (*b.Data)[b.Offset:]
 	if len(p) <= len(data) {
 		copy(p, data[0:len(p)])
@@ -208,8 +207,18 @@ func (b *BodyBuffer) Read(p []byte) (int, error) {
 	return len(data), io.EOF
 }
 
-func NewBodyBuffer(bytes *[]byte) BodyBuffer {
+func NewBodyBuffer(byt *[]byte, readFn ...func(*BodyBuffer, []byte) (int, error)) *BodyBuffer {
-	return BodyBuffer{0, bytes}
+	var fn func([]byte) (int, error)
+	b := &BodyBuffer{Data: byt}
+	if len(readFn) > 1 {
+		fn = func(p []byte) (int, error) {
+			return readFn[0](b, p)
+		}
+	} else {
+		fn = b.Reads
+	}
+	b.ReadFn = fn
+	return b
 }
 
 func PostClient(u string, types int, form map[string]any, a ...any) (cli *http.Client, req *http.Request, err error) {

helper/slice/mockmap/map.go

@@ -42,3 +42,6 @@ func (q *Map[K, T]) Del(name K) {
 		slice.Delete((*[]Item[K, T])(q), i)
 	}
 }
+func (q *Map[K, T]) DelByIndex(i int) {
+	slice.Delete((*[]Item[K, T])(q), i)
+}

helper/slice/slice.go

@@ -22,6 +22,15 @@ func FilterAndMap[N any, T any](arr []T, fn func(T) (N, bool)) (r []N) {
 	}
 	return
 }
+func FilterAndMaps[N any, T any](arr []T, fn func(int, T) (N, bool)) (r []N) {
+	for i, t := range arr {
+		x, ok := fn(i, t)
+		if ok {
+			r = append(r, x)
+		}
+	}
+	return
+}
 
 func Walk[T any](arr []T, fn func(*T)) {
 	for i := 0; i < len(arr); i++ {

safety/vars.go

@@ -10,8 +10,12 @@ type Var[T any] struct {
 	p   unsafe.Pointer
 }
 
-func NewVar[T any](val T) *Var[T] {
+func NewVar[T any](vals ...T) *Var[T] {
-	return &Var[T]{val: val, p: unsafe.Pointer(&val)}
+	var v T
+	if len(vals) > 0 {
+		v = vals[0]
+	}
+	return &Var[T]{val: v, p: unsafe.Pointer(&v)}
 }
 
 func (r *Var[T]) Load() T {

signs/signs.go

@@ -0,0 +1,135 @@
+package signs
+
+import (
+	"github.com/fthvgb1/wp-go/helper"
+	"github.com/fthvgb1/wp-go/helper/slice"
+	"github.com/fthvgb1/wp-go/helper/slice/mockmap"
+	"os"
+	"os/signal"
+	"sync"
+)
+
+type Call func() bool
+
+type HookFn func(mockmap.Item[string, Call]) (os.Signal, mockmap.Item[string, Call], bool)
+
+var queues = map[os.Signal]mockmap.Map[string, Call]{}
+
+var ch = make(chan os.Signal, 1)
+
+var stopCh = make(chan struct{}, 1)
+
+var hooks = map[os.Signal][]HookFn{}
+
+var mux = sync.Mutex{}
+
+func GetChannel() chan os.Signal {
+	return ch
+}
+
+func Cancel(sings ...os.Signal) {
+	if len(sings) < 1 {
+		return
+	}
+	mux.Lock()
+	defer mux.Unlock()
+	for _, sing := range sings {
+		delete(queues, sing)
+	}
+	signal.Reset(sings...)
+}
+
+func Hook(sign os.Signal, fn HookFn) {
+	mux.Lock()
+	defer mux.Unlock()
+	hooks[sign] = append(hooks[sign], fn)
+}
+
+func hook(item []mockmap.Item[string, Call], sign os.Signal) []mockmap.Item[string, Call] {
+	mux.Lock()
+	defer mux.Unlock()
+	if len(item) < 1 {
+		delete(hooks, sign)
+		return item
+	}
+	hooksFn, ok := hooks[sign]
+	if !ok {
+		return item
+	}
+	for _, fn := range hooksFn {
+		item = slice.FilterAndMap(item, func(t mockmap.Item[string, Call]) (mockmap.Item[string, Call], bool) {
+			s, c, ok := fn(t)
+			if sign != s {
+				install(s, t.Value, t.Name, t.Order)
+				return t, false
+			}
+			return c, ok
+		})
+
+	}
+	delete(hooks, sign)
+	slice.SimpleSort(item, slice.DESC, func(t mockmap.Item[string, Call]) float64 {
+		return t.Order
+	})
+	return item
+}
+
+func Install(sign os.Signal, fn Call, a ...any) {
+	mux.Lock()
+	defer mux.Unlock()
+	arr := helper.ParseArgs([]os.Signal{}, a...)
+	if len(arr) > 0 {
+		for _, o := range arr {
+			install(o, fn, a...)
+		}
+	}
+	install(sign, fn, a...)
+}
+func install(sign os.Signal, fn Call, a ...any) {
+	m, ok := queues[sign]
+	if !ok {
+		queues[sign] = make(mockmap.Map[string, Call], 0)
+		signal.Notify(ch, sign)
+	}
+	m.Set(helper.ParseArgs("", a...), fn, helper.ParseArgs[float64](0, a...))
+	queues[sign] = m
+}
+
+func del(queue mockmap.Map[string, Call], sign os.Signal, i int) {
+	mux.Lock()
+	defer mux.Unlock()
+	queue.DelByIndex(i)
+	queues[sign] = queue
+}
+
+func Stop() {
+	stopCh <- struct{}{}
+}
+
+func Wait() {
+	for {
+		select {
+		case <-stopCh:
+			break
+		case sign := <-ch:
+			queue, ok := queues[sign]
+			if !ok {
+				break
+			}
+			queue = hook(queue, sign)
+			queues[sign] = queue
+			if len(queue) < 1 {
+				signal.Reset(sign)
+				continue
+			}
+			for i, item := range queue {
+				if !item.Value() {
+					del(queue, sign, i)
+				}
+			}
+			if len(queues[sign]) < 1 {
+				signal.Reset(sign)
+			}
+		}
+	}
+}