1 files changed, 28 insertions, 0 deletions
diff --git a/src/auth/auth-penalty.h b/src/auth/auth-penalty.h
new file mode 100644
index 0000000..96783e4
--- /dev/null
+++ b/src/auth/auth-penalty.h
@@ -0,0 +1,28 @@
+#ifndef AUTH_PENALTY_H
+#define AUTH_PENALTY_H
+
+struct auth_request;
+
+#define AUTH_PENALTY_INIT_SECS 2
+#define AUTH_PENALTY_MAX_SECS 15
+/* timeout specifies how long it takes for penalty to be irrelevant. */
+#define AUTH_PENALTY_TIMEOUT \
+	(AUTH_PENALTY_INIT_SECS + 4 + 8 + AUTH_PENALTY_MAX_SECS)
+#define AUTH_PENALTY_MAX_PENALTY 4
+
+/* If lookup failed, penalty and last_update are both zero */
+typedef void auth_penalty_callback_t(unsigned int penalty,
+				     struct auth_request *request);
+
+struct auth_penalty *auth_penalty_init(const char *path);
+void auth_penalty_deinit(struct auth_penalty **penalty);
+
+unsigned int auth_penalty_to_secs(unsigned int penalty);
+
+void auth_penalty_lookup(struct auth_penalty *penalty,
+			 struct auth_request *auth_request,
+			 auth_penalty_callback_t *callback);
+void auth_penalty_update(struct auth_penalty *penalty,
+			 struct auth_request *auth_request, unsigned int value);
+
+#endif