diff options
Diffstat (limited to 'src/openvpn/ping.h')
| -rw-r--r-- | src/openvpn/ping.h | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/src/openvpn/ping.h b/src/openvpn/ping.h index 05793b4..7518404 100644 --- a/src/openvpn/ping.h +++ b/src/openvpn/ping.h @@ -5,7 +5,7 @@ * packet encryption, packet authentication, and * packet compression. * - * Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net> + * Copyright (C) 2002-2021 OpenVPN 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 @@ -43,4 +43,46 @@ is_ping_msg(const struct buffer *buf) return buf_string_match(buf, ping_string, PING_STRING_SIZE); } -#endif +/** + * Trigger the correct signal on a --ping timeout + * depending if --ping-exit is set (SIGTERM) or not + * (SIGUSR1) + */ +void trigger_ping_timeout_signal(struct context *c); + +void check_ping_send_dowork(struct context *c); + +/* + * 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) +{ + 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)) + { + trigger_ping_timeout_signal(c); + } +} + +/* + * Should we ping the remote? + */ +static inline void +check_ping_send(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 /* ifndef PING_H */ |