| /* |
| * Copyright 2015 Red Hat, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * Author: Matthias Clasen <mclasen@redhat.com> |
| */ |
| |
| #include "config.h" |
| |
| #include <gio/gio.h> |
| #include <gi18n.h> |
| |
| #include "gio-tool.h" |
| |
| static gchar **watch_dirs; |
| static gchar **watch_files; |
| static gchar **watch_direct; |
| static gchar **watch_silent; |
| static gchar **watch_default; |
| static gboolean no_moves; |
| static gboolean mounts; |
| |
| static const GOptionEntry entries[] = { |
| { "dir", 'd', 0, G_OPTION_ARG_FILENAME_ARRAY, &watch_dirs, |
| N_("Monitor a directory (default: depends on type)"), N_("LOCATION") }, |
| { "file", 'f', 0, G_OPTION_ARG_FILENAME_ARRAY, &watch_files, |
| N_("Monitor a file (default: depends on type)"), N_("LOCATION") }, |
| { "direct", 'D', 0, G_OPTION_ARG_FILENAME_ARRAY, &watch_direct, |
| N_("Monitor a file directly (notices changes made via hardlinks)"), N_("LOCATION") }, |
| { "silent", 's', 0, G_OPTION_ARG_FILENAME_ARRAY, &watch_silent, |
| N_("Monitors a file directly, but doesn’t report changes"), N_("LOCATION") }, |
| { "no-moves", 'n', 0, G_OPTION_ARG_NONE, &no_moves, |
| N_("Report moves and renames as simple deleted/created events"), NULL }, |
| { "mounts", 'm', 0, G_OPTION_ARG_NONE, &mounts, |
| N_("Watch for mount events"), NULL }, |
| { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &watch_default }, |
| { NULL } |
| }; |
| |
| static void |
| watch_callback (GFileMonitor *monitor, |
| GFile *child, |
| GFile *other, |
| GFileMonitorEvent event_type, |
| gpointer user_data) |
| { |
| gchar *child_str; |
| gchar *other_str; |
| |
| g_assert (child); |
| |
| if (g_file_is_native (child)) |
| child_str = g_file_get_path (child); |
| else |
| child_str = g_file_get_uri (child); |
| |
| if (other) |
| { |
| if (g_file_is_native (other)) |
| other_str = g_file_get_path (other); |
| else |
| other_str = g_file_get_uri (other); |
| } |
| else |
| other_str = g_strdup ("(none)"); |
| |
| g_print ("%s: ", (gchar *) user_data); |
| switch (event_type) |
| { |
| case G_FILE_MONITOR_EVENT_CHANGED: |
| g_assert (!other); |
| g_print ("%s: changed", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT: |
| g_assert (!other); |
| g_print ("%s: changes done", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_DELETED: |
| g_assert (!other); |
| g_print ("%s: deleted", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_CREATED: |
| g_assert (!other); |
| g_print ("%s: created", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED: |
| g_assert (!other); |
| g_print ("%s: attributes changed", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_PRE_UNMOUNT: |
| g_assert (!other); |
| g_print ("%s: pre-unmount", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_UNMOUNTED: |
| g_assert (!other); |
| g_print ("%s: unmounted", child_str); |
| break; |
| case G_FILE_MONITOR_EVENT_MOVED_IN: |
| g_print ("%s: moved in", child_str); |
| if (other) |
| g_print (" (from %s)", other_str); |
| break; |
| case G_FILE_MONITOR_EVENT_MOVED_OUT: |
| g_print ("%s: moved out", child_str); |
| if (other) |
| g_print (" (to %s)", other_str); |
| break; |
| case G_FILE_MONITOR_EVENT_RENAMED: |
| g_assert (other); |
| g_print ("%s: renamed to %s\n", child_str, other_str); |
| break; |
| |
| case G_FILE_MONITOR_EVENT_MOVED: |
| default: |
| g_assert_not_reached (); |
| } |
| |
| g_free (child_str); |
| g_free (other_str); |
| g_print ("\n"); |
| } |
| |
| typedef enum |
| { |
| WATCH_DIR, |
| WATCH_FILE, |
| WATCH_AUTO |
| } WatchType; |
| |
| static gboolean |
| add_watch (const gchar *cmdline, |
| WatchType watch_type, |
| GFileMonitorFlags flags, |
| gboolean connect_handler) |
| { |
| GFileMonitor *monitor = NULL; |
| GError *error = NULL; |
| GFile *file; |
| |
| file = g_file_new_for_commandline_arg (cmdline); |
| |
| if (watch_type == WATCH_AUTO) |
| { |
| GFileInfo *info; |
| guint32 type; |
| |
| info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_TYPE, G_FILE_QUERY_INFO_NONE, NULL, &error); |
| if (!info) |
| goto err; |
| |
| type = g_file_info_get_attribute_uint32 (info, G_FILE_ATTRIBUTE_STANDARD_TYPE); |
| watch_type = (type == G_FILE_TYPE_DIRECTORY) ? WATCH_DIR : WATCH_FILE; |
| } |
| |
| if (watch_type == WATCH_DIR) |
| monitor = g_file_monitor_directory (file, flags, NULL, &error); |
| else |
| monitor = g_file_monitor (file, flags, NULL, &error); |
| |
| if (!monitor) |
| goto err; |
| |
| if (connect_handler) |
| g_signal_connect (monitor, "changed", G_CALLBACK (watch_callback), g_strdup (cmdline)); |
| |
| monitor = NULL; /* leak */ |
| g_object_unref (file); |
| |
| return TRUE; |
| |
| err: |
| print_file_error (file, error->message); |
| g_error_free (error); |
| g_object_unref (file); |
| |
| return FALSE; |
| } |
| |
| int |
| handle_monitor (int argc, gchar *argv[], gboolean do_help) |
| { |
| GOptionContext *context; |
| gchar *param; |
| GError *error = NULL; |
| GFileMonitorFlags flags; |
| guint i; |
| |
| g_set_prgname ("gio monitor"); |
| |
| /* Translators: commandline placeholder */ |
| param = g_strdup_printf ("%s…", _("LOCATION")); |
| context = g_option_context_new (param); |
| g_free (param); |
| g_option_context_set_help_enabled (context, FALSE); |
| g_option_context_set_summary (context, |
| _("Monitor files or directories for changes.")); |
| g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE); |
| |
| if (do_help) |
| { |
| show_help (context, NULL); |
| g_option_context_free (context); |
| return 0; |
| } |
| |
| if (!g_option_context_parse (context, &argc, &argv, &error)) |
| { |
| show_help (context, error->message); |
| g_error_free (error); |
| g_option_context_free (context); |
| return 1; |
| } |
| |
| if (!watch_dirs && !watch_files && !watch_direct && !watch_silent && !watch_default) |
| { |
| show_help (context, _("No locations given")); |
| g_option_context_free (context); |
| return 1; |
| } |
| |
| g_option_context_free (context); |
| |
| flags = (no_moves ? 0 : G_FILE_MONITOR_WATCH_MOVES) | |
| (mounts ? G_FILE_MONITOR_WATCH_MOUNTS : 0); |
| |
| if (watch_dirs) |
| { |
| for (i = 0; watch_dirs[i]; i++) |
| if (!add_watch (watch_dirs[i], WATCH_DIR, flags, TRUE)) |
| return 1; |
| } |
| |
| if (watch_files) |
| { |
| for (i = 0; watch_files[i]; i++) |
| if (!add_watch (watch_files[i], WATCH_FILE, flags, TRUE)) |
| return 1; |
| } |
| |
| if (watch_direct) |
| { |
| for (i = 0; watch_direct[i]; i++) |
| if (!add_watch (watch_direct[i], WATCH_FILE, flags | G_FILE_MONITOR_WATCH_HARD_LINKS, TRUE)) |
| return 1; |
| } |
| |
| if (watch_silent) |
| { |
| for (i = 0; watch_silent[i]; i++) |
| if (!add_watch (watch_silent[i], WATCH_FILE, flags | G_FILE_MONITOR_WATCH_HARD_LINKS, FALSE)) |
| return 1; |
| } |
| |
| if (watch_default) |
| { |
| for (i = 0; watch_default[i]; i++) |
| if (!add_watch (watch_default[i], WATCH_AUTO, flags, TRUE)) |
| return 1; |
| } |
| |
| while (TRUE) |
| g_main_context_iteration (NULL, TRUE); |
| |
| return 0; |
| } |