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authorBernhard Schmidt <berni@debian.org>2020-09-01 16:52:17 +0200
committerBernhard Schmidt <berni@debian.org>2020-09-01 16:52:17 +0200
commit9fc3b98112217f2d92a67977dbde0987cc7a1803 (patch)
tree29fcc8654ee65d9dd89ade797bea2f3d9dfd9cfd /src/openvpn/ping.h
parenta8758c0e03eed188dcb9da0e4fd781a67c25bf1e (diff)
parent69b02b1f7fd609d84ace13ab04697158de2418a9 (diff)
Merge branch 'debian/experimental-2.5'
Diffstat (limited to 'src/openvpn/ping.h')
-rw-r--r--src/openvpn/ping.h44
1 files changed, 43 insertions, 1 deletions
diff --git a/src/openvpn/ping.h b/src/openvpn/ping.h
index 05793b4..6feaa87 100644
--- a/src/openvpn/ping.h
+++ b/src/openvpn/ping.h
@@ -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 */