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37 lines
1.1 KiB
OCaml
37 lines
1.1 KiB
OCaml
(* Copyright (C) 2015, Thomas Leonard <thomas.leonard@unikernel.com>
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See the README file for details. *)
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let buf = Buffer.create 200
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let log_fmt = Format.formatter_of_buffer buf
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let string_of_level =
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let open Logs in function
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| App -> "APP"
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| Error -> "ERR"
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| Warning -> "WRN"
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| Info -> "INF"
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| Debug -> "DBG"
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let fmt_timestamp tm =
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let open Clock in
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Printf.sprintf "%04d-%02d-%02d %02d:%02d.%02d"
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(tm.tm_year + 1900) (tm.tm_mon + 1) tm.tm_mday tm.tm_hour tm.tm_min tm.tm_sec
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module Make (C : V1.CLOCK) = struct
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let init_logging () =
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let report src level ~over k msgf =
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let now = C.time () |> Clock.gmtime |> fmt_timestamp in
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let lvl = string_of_level level in
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let k _ =
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let msg = Buffer.contents buf in
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Buffer.clear buf;
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output_string stderr (msg ^ "\n");
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flush stderr;
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MProf.Trace.label msg;
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over ();
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k () in
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msgf @@ fun ?header:_ ?tags:_ fmt ->
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Format.kfprintf k log_fmt ("%s: %s [%s] " ^^ fmt) now lvl (Logs.Src.name src) in
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Logs.set_reporter { Logs.report }
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end
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