From 603a99217dc455370b09967e7628412c13b6663b Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sat, 13 Jan 2007 21:13:24 +0000
Subject: Allow adding user defined directories

---
 common/notify-dummy.c   |  8 +++++++
 common/notify-inotify.c | 59 ++++++++++++++++++++++++++++++++++++++++---------
 common/notify.h         |  2 ++
 3 files changed, 58 insertions(+), 11 deletions(-)

(limited to 'common')

diff --git a/common/notify-dummy.c b/common/notify-dummy.c
index f199e972..3443a467 100644
--- a/common/notify-dummy.c
+++ b/common/notify-dummy.c
@@ -34,3 +34,11 @@ void notify_init(void)
 void notify_close(void)
 {
 }
+
+void notify_add(const char *pathname)
+{
+}
+
+void notify_remove(const char *pathname)
+{
+}
diff --git a/common/notify-inotify.c b/common/notify-inotify.c
index a1e12a6a..2b14b744 100644
--- a/common/notify-inotify.c
+++ b/common/notify-inotify.c
@@ -26,6 +26,7 @@
 #endif
 
 #include <unistd.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/inotify.h>
 
@@ -38,6 +39,8 @@ static GIOChannel *io = NULL;
 static int fd = -1;
 static int wd = -1;
 
+static char *name = NULL;
+
 static gboolean io_event(GIOChannel *chan, GIOCondition cond, gpointer data)
 {
 	unsigned char buf[129];
@@ -53,20 +56,26 @@ static gboolean io_event(GIOChannel *chan, GIOCondition cond, gpointer data)
 	if (len < sizeof(struct inotify_event))
 		return TRUE;
 
+	if (evt->wd != wd)
+		return TRUE;
+
 	if (evt->mask & (IN_CREATE | IN_MOVED_TO))
-		debug("File %s/%s created", CONFIGDIR, evt->name);
+		debug("File %s/%s created", name, evt->name);
 
 	if (evt->mask & (IN_DELETE | IN_MOVED_FROM))
-		debug("File %s/%s deleted", CONFIGDIR, evt->name);
+		debug("File %s/%s deleted", name, evt->name);
 
 	if (evt->mask & IN_MODIFY)
-		debug("File %s/%s modified", CONFIGDIR, evt->name);
+		debug("File %s/%s modified", name, evt->name);
 
 	return TRUE;
 }
 
 void notify_init(void)
 {
+	if (fd != -1)
+		return;
+
 	fd = inotify_init();
 	if (fd < 0) {
 		error("Creation of inotify context failed");
@@ -80,15 +89,13 @@ void notify_init(void)
 	}
 
 	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 (fd == -1)
+		return;
+
 	if (wd != -1) {
 		inotify_rm_watch(fd, wd);
 		wd = -1;
@@ -99,8 +106,38 @@ void notify_close(void)
 		io = NULL;
 	}
 
-	if (fd != -1) {
-		close(fd);
-		fd = -1;
+	close(fd);
+	fd = -1;
+
+	if (name) {
+		free(name);
+		name = NULL;
 	}
 }
+
+void notify_add(const char *pathname)
+{
+	if (fd == -1 || wd != -1)
+		return;
+
+	if (name)
+		free(name);
+
+	name = strdup(pathname);
+	if (!name)
+		return;
+
+	wd = inotify_add_watch(fd, pathname,
+		IN_ONLYDIR | IN_CREATE | IN_DELETE | IN_MODIFY | IN_MOVE);
+	if (wd < 0)
+		error("Creation of watch for %s failed", pathname);
+}
+
+void notify_remove(const char *pathname)
+{
+	if (fd == -1 || wd == -1)
+		return;
+
+	inotify_rm_watch(fd, wd);
+	wd = -1;
+}
diff --git a/common/notify.h b/common/notify.h
index d82a7ca2..b6b40034 100644
--- a/common/notify.h
+++ b/common/notify.h
@@ -23,3 +23,5 @@
 
 void notify_init(void);
 void notify_close(void);
+void notify_add(const char *pathname);
+void notify_remove(const char *pathname);
-- 
cgit