- access frequence limit

- output detail request when error

platformapi/limit_access_speed.go

@@ -0,0 +1,33 @@
+package platformapi
+
+import (
+	"time"
+
+	"github.com/juju/ratelimit"
+)
+
+type LimiterConfig struct {
+	MaxAccessCount  int
+	TimeGapInSecond int
+}
+
+type Limiter struct {
+	limitConfig map[string]*ratelimit.Bucket
+}
+
+func New(config map[string]*LimiterConfig) *Limiter {
+	limiter := &Limiter{
+		limitConfig: make(map[string]*ratelimit.Bucket),
+	}
+	for k, v := range config {
+		limiter.limitConfig[k] = ratelimit.NewBucketWithQuantum(time.Duration(v.TimeGapInSecond)*time.Second, int64(v.MaxAccessCount), int64(v.MaxAccessCount))
+	}
+	return limiter
+}
+
+func (l *Limiter) AccessAPI(apiName string) {
+	bucket := l.limitConfig[apiName]
+	if bucket != nil {
+		bucket.Wait(1)
+	}
+}