mirror of
https://github.com/paparazzi/paparazzi.git
synced 2026-05-25 23:46:04 +08:00
Felix Ruess
78 lines
2.5 KiB
OCaml
78 lines
2.5 KiB
OCaml
(*
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* Log files utilities
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*
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* Copyright (C) 2007 ENAC
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*
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* This file is part of paparazzi.
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*
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* paparazzi is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* paparazzi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with paparazzi; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*)
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open Printf
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let (//) = Filename.concat
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let logs_dir = Env.paparazzi_home // "var" // "logs"
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let log_suffix = fun s ->
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let n = String.length s in
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n > 4 && String.sub s (n-4) 4 = ".log"
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let length_data = fun data_file ->
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let f = Ocaml_tools.open_compress data_file in
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let line = ref "" in
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try
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while true do line := input_line f done; failwith "unreachable"
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with
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End_of_file ->
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let i = String.index !line '.' in
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int_of_string (String.sub !line 0 i)
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let chooser = fun ~callback () ->
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let dialog = GWindow.file_chooser_dialog ~action:`OPEN ~title:"Open Log" () in
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ignore (dialog#set_current_folder logs_dir);
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dialog#add_filter (GFile.filter ~name:"log" ~patterns:["*.log"] ());
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dialog#add_button_stock `CANCEL `CANCEL ;
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dialog#add_select_button_stock `OPEN `OPEN ;
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let info_label = GMisc.label ~text:"1234" () in
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dialog#set_extra_widget info_label#coerce;
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let preview_cb = fun () ->
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match dialog#preview_filename with
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| Some log_file when log_suffix log_file ->
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let basename = Filename.chop_extension (Filename.basename log_file) in
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let data_file = basename ^ ".data" in
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let info =
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try
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let data_file = Ocaml_tools.find_file [Filename.dirname log_file] data_file in
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let size = (Unix.stat data_file).Unix.st_size / 1000 in
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let time = length_data data_file in
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sprintf "Data Size: %dk, Time Length: %ds" size time
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with
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Not_found -> "No associated data file found" in
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info_label#set_text (sprintf "Log %s: %s" basename info)
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| _ -> info_label#set_text "" in
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ignore(dialog#connect#update_preview ~callback:preview_cb);
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begin match dialog#run (), dialog#filename with
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`OPEN, Some name ->
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dialog#destroy ();
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callback name
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| _ -> dialog#destroy ()
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end
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