From f059d52d43f2cc8c7f0651c6e52b2c5e48ef1ea6 Mon Sep 17 00:00:00 2001
From: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
Date: Wed, 11 Oct 2023 17:19:39 +0200
Subject: [PATCH] Use DefaultServeMux instead of github.com/gorilla/mux

---
 receivers/httpReceiver.go | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/receivers/httpReceiver.go b/receivers/httpReceiver.go
index c243e41..ac7aa03 100644
--- a/receivers/httpReceiver.go
+++ b/receivers/httpReceiver.go
@@ -12,7 +12,6 @@ import (
 
 	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
 	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	"github.com/gorilla/mux"
 	influx "github.com/influxdata/line-protocol/v2/lineprotocol"
 )
 
@@ -39,7 +38,6 @@ type HttpReceiver struct {
 	receiver
 	meta   map[string]string
 	config HttpReceiverConfig
-	router *mux.Router
 	server *http.Server
 	wg     sync.WaitGroup
 }
@@ -93,16 +91,16 @@ func (r *HttpReceiver) Init(name string, config json.RawMessage) error {
 	uri := addr + p
 	cclog.ComponentDebug(r.name, "INIT", "listen on:", uri)
 
-	// Create new router and register p as path
-	r.router = mux.NewRouter()
-	r.router.Path(p).HandlerFunc(r.ServerHttp)
+	// Register handler function r.ServerHttp for path p in the DefaultServeMux
+	http.HandleFunc(p, r.ServerHttp)
 
-	// Create http server, with router as handler
+	// Create http server
 	r.server = &http.Server{
 		Addr:        addr,
-		Handler:     r.router,
+		Handler:     nil, // handler to invoke, http.DefaultServeMux if nil
 		IdleTimeout: r.config.idleTimeout,
 	}
+
 	return nil
 }