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authorMarcel Holtmann <marcel@holtmann.org>2007-01-13 20:43:18 +0000
committerMarcel Holtmann <marcel@holtmann.org>2007-01-13 20:43:18 +0000
commit55295dbb667c2d0701b1285217e7f1242ca6ae83 (patch)
treee3ce6771c0f87381d52632e87cce24df9c604f0c /common/notify-inotify.c
parent24e6b9de235b5592e7c64651875001cbd1d5590d (diff)
Add basic notification support
Diffstat (limited to 'common/notify-inotify.c')
-rw-r--r--common/notify-inotify.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/common/notify-inotify.c b/common/notify-inotify.c
index e69de29b..a1e12a6a 100644
--- a/common/notify-inotify.c
+++ b/common/notify-inotify.c
@@ -0,0 +1,106 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2006-2007 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <string.h>
+#include <sys/inotify.h>
+
+#include "glib-ectomy.h"
+#include "logging.h"
+#include "notify.h"
+
+static GIOChannel *io = NULL;
+
+static int fd = -1;
+static int wd = -1;
+
+static gboolean io_event(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+ unsigned char buf[129];
+ struct inotify_event *evt = (struct inotify_event *) buf;
+ int len;
+
+ if (cond & (G_IO_HUP | G_IO_ERR))
+ return FALSE;
+
+ memset(buf, 0, sizeof(buf));
+
+ len = read(fd, buf, sizeof(buf) - 1);
+ if (len < sizeof(struct inotify_event))
+ return TRUE;
+
+ if (evt->mask & (IN_CREATE | IN_MOVED_TO))
+ debug("File %s/%s created", CONFIGDIR, evt->name);
+
+ if (evt->mask & (IN_DELETE | IN_MOVED_FROM))
+ debug("File %s/%s deleted", CONFIGDIR, evt->name);
+
+ if (evt->mask & IN_MODIFY)
+ debug("File %s/%s modified", CONFIGDIR, evt->name);
+
+ return TRUE;
+}
+
+void notify_init(void)
+{
+ fd = inotify_init();
+ if (fd < 0) {
+ error("Creation of inotify context failed");
+ return;
+ }
+
+ io = g_io_channel_unix_new(fd);
+ if (!io) {
+ error("Creation of inotify channel failed");
+ return;
+ }
+
+ g_io_add_watch(io, G_IO_IN, io_event, NULL);
+
+ wd = inotify_add_watch(fd, CONFIGDIR,
+ IN_ONLYDIR | IN_CREATE | IN_DELETE | IN_MODIFY | IN_MOVE);
+ if (wd < 0)
+ error("Creation of watch for %s failed", CONFIGDIR);
+}
+
+void notify_close(void)
+{
+ if (wd != -1) {
+ inotify_rm_watch(fd, wd);
+ wd = -1;
+ }
+
+ if (io) {
+ g_io_channel_unref(io);
+ io = NULL;
+ }
+
+ if (fd != -1) {
+ close(fd);
+ fd = -1;
+ }
+}