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/*
* Copyright (c) 2017 Balabit
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, 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
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "directory-monitor-poll.h"
#include "directory-monitor-content-comparator.h"
#include "messages.h"
#include "timeutils/misc.h"
#include "glib.h"
#include "glib/gstdio.h"
#include <iv.h>
typedef struct _DirectoryMonitorPoll
{
DirectoryMonitorContentComparator super;
struct iv_timer rescan_timer;
} DirectoryMonitorPoll;
static void
_start_watches(DirectoryMonitor *s)
{
DirectoryMonitorPoll *self = (DirectoryMonitorPoll *)s;
msg_trace("Starting to poll directory changes",
evt_tag_str("dir", self->super.super.dir),
evt_tag_int("freq", self->super.super.recheck_time));
directory_monitor_content_comparator_rescan_directory(&self->super, TRUE);
rearm_timer(&self->rescan_timer, self->super.super.recheck_time);
}
static void
_stop_watches(DirectoryMonitor *s)
{
DirectoryMonitorPoll *self = (DirectoryMonitorPoll *)s;
if (iv_timer_registered(&self->rescan_timer))
iv_timer_unregister(&self->rescan_timer);
}
static void
_triggered_timer(gpointer data)
{
DirectoryMonitorPoll *self = (DirectoryMonitorPoll *)data;
directory_monitor_content_comparator_rescan_directory(&self->super, FALSE);
rearm_timer(&self->rescan_timer, self->super.super.recheck_time);
}
DirectoryMonitor *
directory_monitor_poll_new(const gchar *dir, guint recheck_time)
{
DirectoryMonitorPoll *self = g_new0(DirectoryMonitorPoll, 1);
directory_monitor_content_comparator_init_instance(&self->super, dir, recheck_time, "poll");
IV_TIMER_INIT(&self->rescan_timer);
self->rescan_timer.cookie = self;
self->rescan_timer.handler = _triggered_timer;
self->super.super.start_watches = _start_watches;
self->super.super.stop_watches = _stop_watches;
return &self->super.super;
}
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