error handling

src/locsrv/main.go

@@ -78,17 +78,17 @@ func main() {
     event.Latitude = req.Form.Get("latitude")
     event.Longitude = req.Form.Get("longitude")
 
-    var message string
     select {
     case ch <- event:
-      message = "message forwarded"
+      resp.WriteHeader(http.StatusOK)
+      fmt.Fprintf(resp, "Message forwarded")
+      return
     default:
-      log.Println("Channel full, message lost")
-      message = "message lost"
+      log.Printf("Channel full, message lost")
+      http.Error(resp, "Channel full, message lost", http.StatusServiceUnavailable)
+      return
     }
 
-    resp.WriteHeader(http.StatusOK)
-    fmt.Fprintf(resp, message)
   })
 
   err := http.ListenAndServe(":8080", nil)