1 files changed, 58 insertions, 0 deletions
diff --git a/src/feature/dirauth/bwauth.h b/src/feature/dirauth/bwauth.h
new file mode 100644
index 0000000000..f10f8227af
--- /dev/null
+++ b/src/feature/dirauth/bwauth.h
@@ -0,0 +1,58 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file bwauth.h
+ * \brief Header file for bwauth.c
+ **/
+
+#ifndef TOR_BWAUTH_H
+#define TOR_BWAUTH_H
+
+/** Maximum allowable length of bandwidth headers in a bandwidth file */
+#define MAX_BW_FILE_HEADER_COUNT_IN_VOTE 50
+
+/** Terminatore that separates bandwidth file headers from bandwidth file
+ * relay lines */
+#define BW_FILE_HEADERS_TERMINATOR "=====\n"
+
+int dirserv_read_measured_bandwidths(const char *from_file,
+                                     smartlist_t *routerstatuses,
+                                     smartlist_t *bw_file_headers);
+
+int dirserv_query_measured_bw_cache_kb(const char *node_id,
+                                       long *bw_out,
+                                       time_t *as_of_out);
+void dirserv_clear_measured_bw_cache(void);
+int dirserv_has_measured_bw(const char *node_id);
+int dirserv_get_measured_bw_cache_size(void);
+void dirserv_count_measured_bws(const smartlist_t *routers);
+int dirserv_get_last_n_measured_bws(void);
+
+uint32_t dirserv_get_credible_bandwidth_kb(const routerinfo_t *ri);
+
+#ifdef BWAUTH_PRIVATE
+typedef struct measured_bw_line_t {
+  char node_id[DIGEST_LEN];
+  char node_hex[MAX_HEX_NICKNAME_LEN+1];
+  long int bw_kb;
+} measured_bw_line_t;
+
+/* Put the MAX_MEASUREMENT_AGE #define here so unit tests can see it */
+#define MAX_MEASUREMENT_AGE (3*24*60*60) /* 3 days */
+
+STATIC int measured_bw_line_parse(measured_bw_line_t *out, const char *line,
+                                  int line_is_after_headers);
+
+STATIC int measured_bw_line_apply(measured_bw_line_t *parsed_line,
+                           smartlist_t *routerstatuses);
+
+STATIC void dirserv_cache_measured_bw(const measured_bw_line_t *parsed_line,
+                               time_t as_of);
+STATIC void dirserv_expire_measured_bw_cache(time_t now);
+#endif /* defined(BWAUTH_PRIVATE) */
+
+#endif