update

refactor limiter
fix getLink bug
add connection limit
move limit config to ControllerConfig
del dynamic speed limit (next version will be re add)
del online ip sync (next version will be re add)

limiter/dynamic.go

@@ -0,0 +1,37 @@
+package limiter
+
+import (
+	"fmt"
+	"github.com/Yuzuki616/V2bX/api/panel"
+	"time"
+)
+
+func (l *Limiter) AddDynamicSpeedLimit(tag string, userInfo *panel.UserInfo, limitNum int, expire int64) error {
+	userLimit := &UserLimitInfo{
+		DynamicSpeedLimit: limitNum,
+		ExpireTime:        time.Now().Add(time.Duration(expire) * time.Second).Unix(),
+	}
+	l.UserLimitInfo.Store(fmt.Sprintf("%s|%s|%d", tag, userInfo.Uuid, userInfo.Id), userLimit)
+	return nil
+}
+
+// determineSpeedLimit returns the minimum non-zero rate
+func determineSpeedLimit(limit1, limit2 int) (limit int) {
+	if limit1 == 0 || limit2 == 0 {
+		if limit1 > limit2 {
+			return limit1
+		} else if limit1 < limit2 {
+			return limit2
+		} else {
+			return 0
+		}
+	} else {
+		if limit1 > limit2 {
+			return limit2
+		} else if limit1 < limit2 {
+			return limit1
+		} else {
+			return limit1
+		}
+	}
+}