clear logs on contrl socket

cmd/circologd/http_ctl.go

@@ -11,6 +11,7 @@ import (
 func setupHTTPCtl(hub circolog.Hub) *mux.Router {
 	mux := mux.NewRouter()
 	mux.HandleFunc("/pause/toggle", togglePause(hub)).Methods("POST")
+	mux.HandleFunc("/logs/clear", clearQueue(hub)).Methods("POST")
 	return mux
 }
 
@@ -24,3 +25,14 @@ func togglePause(hub circolog.Hub) http.HandlerFunc {
 		enc.Encode(map[string]interface{}{"paused": !active})
 	}
 }
+
+func clearQueue(hub circolog.Hub) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		hub.Commands <- circolog.HubFullCommand{Command: circolog.CommandClear}
+		resp := <-hub.Responses
+		success := resp.Value.(bool)
+		w.Header().Set("content-type", "application/json")
+		enc := json.NewEncoder(w)
+		enc.Encode(map[string]interface{}{"success": success})
+	}
+}