Dogcows Code - chaz/openbox/blob - openbox/debug.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    debug.c for the Openbox window manager
   4    Copyright (c) 2003-2007   Dana Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "debug.h"
  20 #include "prompt.h"
  21 #include "openbox.h"
  22 #include "gettext.h"
  23 #include "obt/paths.h"
  24
  25 #include <glib.h>
  26 #include <stdlib.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <errno.h>
  30
  31 #ifdef HAVE_UNISTD_H
  32 #  include <unistd.h>
  33 #endif
  34
  35 static gboolean  enabled_types[OB_DEBUG_TYPE_NUM] = {FALSE};
  36 static FILE     *log_file = NULL;
  37 static guint     rr_handler_id = 0;
  38 static guint     obt_handler_id = 0;
  39 static guint     ob_handler_id = 0;
  40 static guint     ob_handler_prompt_id = 0;
  41
  42 static void log_handler(const gchar *log_domain, GLogLevelFlags log_level,
  43                         const gchar *message, gpointer user_data);
  44 static void prompt_handler(const gchar *log_domain, GLogLevelFlags log_level,
  45                            const gchar *message, gpointer user_data);
  46
  47 void ob_debug_startup(void)
  48 {
  49     ObtPaths *p = obt_paths_new();
  50     gchar *dir = g_build_filename(obt_paths_cache_home(p),
  51                                   "openbox", NULL);
  52
  53     /* log messages to a log file!  fancy, no? */
  54     if (!obt_paths_mkdir_path(dir, 0777))
  55         g_message(_("Unable to make directory '%s': %s"),
  56                   dir, g_strerror(errno));
  57     else {
  58         gchar *name = g_build_filename(obt_paths_cache_home(p),
  59                                        "openbox", "openbox.log", NULL);
  60         /* unlink it before opening to remove competition */
  61         unlink(name);
  62         log_file = fopen(name, "w");
  63         g_free(name);
  64     }
  65
  66     rr_handler_id =
  67         g_log_set_handler("ObRender", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL |
  68                           G_LOG_FLAG_RECURSION, log_handler, NULL);
  69     obt_handler_id =
  70         g_log_set_handler("Obt", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL |
  71                           G_LOG_FLAG_RECURSION, log_handler, NULL);
  72     ob_handler_id =
  73         g_log_set_handler("Openbox", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL |
  74                           G_LOG_FLAG_RECURSION, log_handler, NULL);
  75     ob_handler_prompt_id =
  76         g_log_set_handler("Openbox", G_LOG_LEVEL_MASK & ~G_LOG_LEVEL_DEBUG,
  77                           prompt_handler, NULL);
  78
  79     obt_paths_unref(p);
  80     g_free(dir);
  81 }
  82
  83 void ob_debug_shutdown(void)
  84 {
  85     g_log_remove_handler("ObRender", rr_handler_id);
  86     g_log_remove_handler("Obt", obt_handler_id);
  87     g_log_remove_handler("Openbox", ob_handler_id);
  88     g_log_remove_handler("Openbox", ob_handler_prompt_id);
  89
  90     if (log_file) {
  91         fclose(log_file);
  92         log_file = NULL;
  93     }
  94 }
  95
  96 void ob_debug_enable(ObDebugType type, gboolean enable)
  97 {
  98     g_assert(type < OB_DEBUG_TYPE_NUM);
  99     enabled_types[type] = enable;
 100 }
 101
 102 static inline void log_print(FILE *out, const gchar* log_domain,
 103                              const gchar *level, const gchar *message)
 104 {
 105     fprintf(out, "%s", log_domain);
 106     fprintf(out, "-");
 107     fprintf(out, "%s", level);
 108     fprintf(out, ": ");
 109     fprintf(out, "%s", message);
 110     fprintf(out, "\n");
 111     fflush(out);
 112 }
 113
 114 static void log_handler(const gchar *log_domain, GLogLevelFlags log_level,
 115                         const gchar *message, gpointer data)
 116 {
 117     FILE *out;
 118     const gchar *level;
 119
 120     switch (log_level & G_LOG_LEVEL_MASK) {
 121     case G_LOG_LEVEL_DEBUG:    level = "Debug";    out = stdout; break;
 122     case G_LOG_LEVEL_INFO:     level = "Info";     out = stdout; break;
 123     case G_LOG_LEVEL_MESSAGE:  level = "Message";  out = stdout; break;
 124     case G_LOG_LEVEL_WARNING:  level = "Warning";  out = stderr; break;
 125     case G_LOG_LEVEL_CRITICAL: level = "Critical"; out = stderr; break;
 126     case G_LOG_LEVEL_ERROR:    level = "Error";    out = stderr; break;
 127     default:                   g_assert_not_reached(); /* invalid level.. */
 128     }
 129
 130     log_print(out, log_domain, level, message);
 131     if (log_file) log_print(log_file, log_domain, level, message);
 132 }
 133
 134 static void prompt_handler(const gchar *log_domain, GLogLevelFlags log_level,
 135                            const gchar *message, gpointer data)
 136 {
 137     if (ob_state() == OB_STATE_RUNNING)
 138         prompt_show_message(message, _("Openbox"), _("Close"));
 139 }
 140
 141 static inline void log_argv(ObDebugType type,
 142                             const gchar *format, va_list args)
 143 {
 144     const gchar *prefix;
 145     gchar *message;
 146
 147     g_assert(type < OB_DEBUG_TYPE_NUM);
 148     if (!enabled_types[type]) return;
 149
 150     switch (type) {
 151     case OB_DEBUG_FOCUS:    prefix = "(FOCUS) ";           break;
 152     case OB_DEBUG_APP_BUGS: prefix = "(APPLICATION BUG) "; break;
 153     case OB_DEBUG_SM:       prefix = "(SESSION) ";         break;
 154     default:                prefix = NULL;                 break;
 155     }
 156
 157     message = g_strdup_vprintf(format, args);
 158     if (prefix) {
 159         gchar *a = message;
 160         message = g_strconcat(prefix, message, NULL);
 161         g_free(a);
 162     }
 163
 164     g_debug(message);
 165     g_free(message);
 166 }
 167
 168 void ob_debug(const gchar *a, ...)
 169 {
 170     va_list vl;
 171
 172     va_start(vl, a);
 173     log_argv(OB_DEBUG_NORMAL, a, vl);
 174     va_end(vl);
 175 }
 176
 177 void ob_debug_type(ObDebugType type, const gchar *a, ...)
 178 {
 179     va_list vl;
 180
 181     va_start(vl, a);
 182     log_argv(type, a, vl);
 183     va_end(vl);
 184 }