Committed a first experiment in the formalization of Lebesgue dominated

[helm.git] / daemons / graphs / tools / drawGraph.ml

diff --git a/daemons/graphs/tools/drawGraph.ml b/daemons/graphs/tools/drawGraph.ml
index c17902fbc551dd85e92f0a4a5315fee500d978f7..0dc9800fe1c3dac2f226d1ce74dda762c7f8e9dd 100644 (file)
--- a/daemons/graphs/tools/drawGraph.ml
+++ b/daemons/graphs/tools/drawGraph.ml
@@ -56,7 +56,7 @@ let string_of_exit_status = function
   | Unix.WSIGNALED n -> sprintf "Process killed by signal %d" n
   | Unix.WSTOPPED n -> sprintf "Process stopped by signal %d" n
 in
-let callback (req: Http_types.request) outchan =
+let callback ((req: Http_types.request), outchan) =
   try
     (match req#path with
     | "/draw" ->
@@ -90,12 +90,18 @@ let callback (req: Http_types.request) outchan =
         ~body:(sprintf "Parameter '%s' is missing" attr_name)
         outchan
 in
+let callback req ch =
+  HExtlib.finally
+    (fun () -> try close_out ch with Sys_error _ -> ())
+    callback (req, ch)
+in
 Helm_registry.load_from configuration_file;
 let port = Helm_registry.get_int "draw_graph.port" in
 Sys.chdir (Helm_registry.get "draw_graph.dir");
 printf "%s started and listening on port %d\n" daemon_name port;
 printf "current directory is %s\n" (Sys.getcwd ());
 flush stdout;
-Http_daemon.start' ~port callback;
+let d_spec = Http_daemon.daemon_spec ~port ~callback () in
+Http_daemon.main d_spec;
 printf "%s is terminating, bye!\n" daemon_name