Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/src/login-common/login-proxy-state.h b/src/login-common/login-proxy-state.h
new file mode 100644
index 0000000..405cd0d
--- /dev/null
+++ b/src/login-common/login-proxy-state.h
@@ -0,0 +1,40 @@
+#ifndef LOGIN_PROXY_STATE_H
+#define LOGIN_PROXY_STATE_H
+
+#include <sys/time.h>
+
+struct login_proxy_record {
+	struct ip_addr ip;
+	in_port_t port;
+
+	/* These are used to spread client-visible disconnects over longer
+	   periods of time to avoid reconnect spikes when a server dies.
+
+	   If num_disconnects_since_ts=0 when server disconnects us, it's
+	   increased and disconnect_timestamp is updated. Afterwards it's
+	   increased for each new disconnection. num_disconnects_since_ts gets
+	   reset back to zero whenever a) last_success gets updated or b)
+	   num_delayed_client_disconnects drops to 0. */
+	struct timeval disconnect_timestamp;
+	unsigned int num_disconnects_since_ts;
+	unsigned int num_delayed_client_disconnects;
+
+	/* these are tracking connect()s, not necessarily logins: */
+	unsigned int num_waiting_connections;
+	/* number of connections we're proxying now (post-login) */
+	unsigned int num_proxying_connections;
+	struct timeval last_failure;
+	struct timeval last_success;
+};
+
+struct login_proxy_state *login_proxy_state_init(const char *notify_path);
+void login_proxy_state_deinit(struct login_proxy_state **state);
+
+struct login_proxy_record *
+login_proxy_state_get(struct login_proxy_state *state,
+		      const struct ip_addr *ip, in_port_t port);
+
+void login_proxy_state_notify(struct login_proxy_state *state,
+			      const char *user);
+
+#endif