fix hop http plugin

hop/plugin/http.go

@@ -24,10 +24,6 @@ type httpPluginRequest struct {
 	Src     string `json:"src"`
 }
 
-type httpPluginResponse struct {
-	Node string `json:"node"`
-}
-
 type httpPlugin struct {
 	name   string
 	url    string
@@ -101,18 +97,8 @@ func (p *httpPlugin) Select(ctx context.Context, opts ...hop.SelectOption) *chai
 		return nil
 	}
 
-	res := httpPluginResponse{}
-	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
-		p.log.Error(resp.Status)
-		return nil
-	}
-
-	if res.Node == "" {
-		return nil
-	}
-
 	var cfg config.NodeConfig
-	if err := json.NewDecoder(bytes.NewReader([]byte(res.Node))).Decode(&cfg); err != nil {
+	if err := json.NewDecoder(resp.Body).Decode(&cfg); err != nil {
 		p.log.Error(err)
 		return nil
 	}

listener/udp/metadata.go

@@ -27,7 +27,7 @@ func (l *udpListener) parseMetadata(md mdata.Metadata) (err error) {
 		readBufferSize = "readBufferSize"
 		readQueueSize  = "readQueueSize"
 		backlog        = "backlog"
-		keepAlive      = "keepAlive"
+		keepalive      = "keepalive"
 		ttl            = "ttl"
 	)
 
@@ -49,7 +49,7 @@ func (l *udpListener) parseMetadata(md mdata.Metadata) (err error) {
 	if l.md.backlog <= 0 {
 		l.md.backlog = defaultBacklog
 	}
-	l.md.keepalive = mdutil.GetBool(md, keepAlive)
+	l.md.keepalive = mdutil.GetBool(md, keepalive)
 
 	return
 }