Fixed some nits. (facebookincubator#47)

Summary:
Noticed some nits.

Pull Request resolved: facebookincubator#47

Reviewed By: pmazzini

Differential Revision: D55562918

Pulled By: mimir-d

fbshipit-source-id: 54dd4c792e5528339c6cbdfa0ee50fbe11599b04

lib/log.go

@@ -8,9 +8,10 @@
 package dhcplb
 
 import (
-	"github.com/golang/glog"
 	"net"
 	"time"
+
+	"github.com/golang/glog"
 )
 
 // LogMessage holds the info of a log line.
@@ -83,7 +84,7 @@ func (h *loggerHelper) LogSuccess(start time.Time, server *DHCPServer, packet []
 		}
 		err := h.personalizedLogger.Log(msg)
 		if err != nil {
-			glog.Errorf("Failed to log error: %s", err)
+			glog.Errorf("Failed to log success: %s", err)
 		}
 	}
 }

lib/throttle.go

@@ -79,41 +79,41 @@ func (c *Throttle) setRate(MaxRatePerItem int) {
 
 // NewThrottle returns a Throttle struct
 //
-//	Capacity:
+//	capacity:
 //	    Maximum capacity of the LRU cache
 //
-//	CacheRate (per second):
+//	cacheRate (per second):
 //	    Maximum allowed rate for adding new items to the cache. By that way it
 //	    prevents the cache invalidation to happen too soon for the existing rate
 //	    items in the cache. Cache rate will be infinite for 0 or negative values.
 //
-//	MaxRatePerItem (per second):
+//	maxRatePerItem (per second):
 //	    Maximum allowed requests rate for each key in the cache. Throttling will
 //	    be disabled for 0 or negative values. No cache will be created in that case.
-func NewThrottle(Capacity int, CacheRate int, MaxRatePerItem int) (*Throttle, error) {
-	if MaxRatePerItem <= 0 {
+func NewThrottle(capacity int, cacheRate int, maxRatePerItem int) (*Throttle, error) {
+	if maxRatePerItem <= 0 {
 		glog.Info("No throttling will be done")
 	}
 
-	cache, err := lru.New[string, *rate.Limiter](Capacity)
+	cache, err := lru.New[string, *rate.Limiter](capacity)
 	if err != nil {
 		return nil, err
 	}
 
 	// Keep track of the item creation rate.
 	var cacheLimiter *rate.Limiter
-	if CacheRate <= 0 {
+	if cacheRate <= 0 {
 		glog.Info("No cache rate limiting will be done")
 		cacheLimiter = rate.NewLimiter(rate.Inf, 1) // bucket size is ignored
 	} else {
-		cacheLimiter = rate.NewLimiter(rate.Limit(CacheRate), CacheRate)
+		cacheLimiter = rate.NewLimiter(rate.Limit(cacheRate), cacheRate)
 	}
 
 	throttle := &Throttle{
 		lru:            cache,
-		maxRatePerItem: MaxRatePerItem,
+		maxRatePerItem: maxRatePerItem,
 		cacheLimiter:   cacheLimiter,
-		cacheRate:      CacheRate,
+		cacheRate:      cacheRate,
 	}
 
 	return throttle, nil