Add Backend to configuration (#23)

Author: klaidliadon

config.go

@@ -10,7 +10,7 @@ type Config struct {
 	Disabled bool `toml:"disabled"` // default: false
 
 	WindowLength time.Duration `toml:"window_length"` // default: 1m
-	ClientName   string        `toml:"client_name"`   // default: os.Args[0]
+	ClientName   string        `toml:"client_name"`   // default: ""
 	PrefixKey    string        `toml:"prefix_key"`    // default: "httprate"
 
 	// OnError lets you subscribe to all runtime Redis errors. Useful for logging/debugging.

httprateredis.go

@@ -3,8 +3,6 @@ package httprateredis
 import (
 	"context"
 	"fmt"
-	"os"
-	"path/filepath"
 	"strconv"
 	"sync/atomic"
 	"time"
@@ -38,9 +36,6 @@ func NewCounter(cfg *Config) *redisCounter {
 	if cfg.Port < 1 {
 		cfg.Port = 6379
 	}
-	if cfg.ClientName == "" {
-		cfg.ClientName = filepath.Base(os.Args[0])
-	}
 	if cfg.PrefixKey == "" {
 		cfg.PrefixKey = "httprate"
 	}