unikernel/duniverse/mirage/lib/devices/reporter.ml

@@ -0,0 +1,30 @@
+open Functoria.DSL
+
+type reporter = job
+
+let reporter = Functoria.job
+
+let pp_level ppf = function
+  | Some Logs.Error -> Fmt.string ppf "(Some Logs.Error)"
+  | Some Logs.Warning -> Fmt.string ppf "(Some Logs.Warning)"
+  | Some Logs.Info -> Fmt.string ppf "(Some Logs.Info)"
+  | Some Logs.Debug -> Fmt.string ppf "(Some Logs.Debug)"
+  | Some Logs.App -> Fmt.string ppf "(Some Logs.App)"
+  | None -> Fmt.string ppf "None"
+
+let default_reporter ?(level = Some Logs.Info) () =
+  let packages = [ package ~min:"3.0.0" ~max:"4.0.0" "mirage-logs" ] in
+  let runtime_args = [ Runtime_arg.v Runtime_arg.logs ] in
+  let connect _ modname = function
+    | [ logs ] ->
+        code ~pos:__POS__
+          "@[<v 2>let reporter = %s.create () in@ Mirage_runtime.set_level \
+           ~default:%a %s;@ Logs.set_reporter reporter;@ Lwt.return reporter@]"
+          modname pp_level level logs
+    | _ -> Misc.connect_err "log" 1
+  in
+  impl ~packages ~runtime_args ~connect "Mirage_logs" reporter
+
+let no_reporter =
+  let connect _ _ _ = code ~pos:__POS__ "assert false" in
+  impl ~connect "Mirage_runtime" reporter