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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-02-21 15:53:40 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-02-21 15:53:40 +0100
commit349cfa7acb95abe865209a28e417ec74b56f9bba (patch)
treead65334821b587c4ecdd461be84c94305ffdb888 /ping-inline.h
Imported Upstream version 2.2.1upstream/2.2.1
Diffstat (limited to 'ping-inline.h')
-rw-r--r--ping-inline.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/ping-inline.h b/ping-inline.h
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+++ b/ping-inline.h
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+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single TCP/UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ * 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.
+ *
+ * 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 (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PING_INLINE_H
+#define PING_INLINE_H
+
+/*
+ * Should we exit or restart due to ping (or other authenticated packet)
+ * not received in n seconds?
+ */
+static inline void
+check_ping_restart (struct context *c)
+{
+ void check_ping_restart_dowork (struct context *c);
+ if (c->options.ping_rec_timeout
+ && event_timeout_trigger (&c->c2.ping_rec_interval,
+ &c->c2.timeval,
+ (!c->options.ping_timer_remote
+ || link_socket_actual_defined (&c->c1.link_socket_addr.actual))
+ ? ETT_DEFAULT : 15))
+ check_ping_restart_dowork (c);
+}
+
+/*
+ * Should we ping the remote?
+ */
+static inline void
+check_ping_send (struct context *c)
+{
+ void check_ping_send_dowork (struct context *c);
+ if (c->options.ping_send_timeout
+ && event_timeout_trigger (&c->c2.ping_send_interval,
+ &c->c2.timeval,
+ !TO_LINK_DEF(c) ? ETT_DEFAULT : 1))
+ check_ping_send_dowork (c);
+}
+
+#endif