allow multiple websocket connections

go.mod

@@ -0,0 +1,5 @@
+module go-buzz
+
+go 1.23.2
+
+require github.com/gorilla/websocket v1.5.3

go.sum

@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

main.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"sync"
+
+	"github.com/gorilla/websocket"
+)
+
+type webSocketHandler struct {
+	upgrader websocket.Upgrader
+}
+
+// GLOBALS
+var connections int = 0
+var wg sync.WaitGroup
+
+func (wsh webSocketHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	//upgrade http connection to websocket
+	connection, err := wsh.upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Printf("Error while upgrading connection to websocket: %s", err)
+		return
+	}
+	connections++
+	log.Printf("New websocket connection. There are now %v\n", connections)
+	wg.Add(1)
+	go func() {
+		for {
+
+		}
+	}()
+	defer connection.Close()
+}
+
+func main() {
+	webSocketHandler := webSocketHandler{
+		upgrader: websocket.Upgrader{},
+	}
+	var port string = "8080"
+	http.Handle("/", webSocketHandler)
+	wg.Add(1)
+	log.Printf("listening on port %s...\n", port)
+	log.Fatal(http.ListenAndServe("localhost:8080", nil))
+	wg.Wait()
+}