Tor  0.4.7.0-alpha-dev
reachability.h
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1 /* Copyright (c) 2001 Matej Pfajfar.
2  * Copyright (c) 2001-2004, Roger Dingledine.
3  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
4  * Copyright (c) 2007-2021, The Tor Project, Inc. */
5 /* See LICENSE for licensing information */
6 
7 /**
8  * \file reachability.h
9  * \brief Header file for reachability.c.
10  **/
11 
12 #ifndef TOR_REACHABILITY_H
13 #define TOR_REACHABILITY_H
14 
15 /** What fraction (1 over this number) of the relay ID space do we
16  * (as a directory authority) launch connections to at each reachability
17  * test? */
18 #define REACHABILITY_MODULO_PER_TEST 128
19 
20 /** How often (in seconds) do we launch reachability tests? */
21 #define REACHABILITY_TEST_INTERVAL 10
22 
23 /** How many seconds apart are the reachability tests for a given relay? */
24 #define REACHABILITY_TEST_CYCLE_PERIOD \
25  (REACHABILITY_TEST_INTERVAL*REACHABILITY_MODULO_PER_TEST)
26 
27 #ifdef HAVE_MODULE_DIRAUTH
28 void dirserv_single_reachability_test(time_t now, routerinfo_t *router);
29 void dirserv_test_reachability(time_t now);
30 
32  const routerinfo_t *ri_old);
33 void dirserv_orconn_tls_done(const tor_addr_t *addr,
34  uint16_t or_port,
35  const char *digest_rcvd,
36  const struct ed25519_public_key_t *ed_id_rcvd);
37 #else /* !defined(HAVE_MODULE_DIRAUTH) */
38 #define dirserv_single_reachability_test(now, router) \
39  (((void)(now)),((void)(router)))
40 #define dirserv_test_reachability(now) \
41  (((void)(now)))
42 
43 #define dirserv_should_launch_reachability_test(ri, ri_old) \
44  (((void)(ri)),((void)(ri_old)),0)
45 #define dirserv_orconn_tls_done(addr, or_port, digest_rcvd, ed_id_rcvd) \
46  (((void)(addr)),((void)(or_port)),((void)(digest_rcvd)), \
47  ((void)(ed_id_rcvd)))
48 #endif /* defined(HAVE_MODULE_DIRAUTH) */
49 
50 #endif /* !defined(TOR_REACHABILITY_H) */
int dirserv_should_launch_reachability_test(const routerinfo_t *ri, const routerinfo_t *ri_old)
Definition: reachability.c:103
void dirserv_orconn_tls_done(const tor_addr_t *addr, uint16_t or_port, const char *digest_rcvd, const ed25519_public_key_t *ed_id_rcvd)
Definition: reachability.c:40
void dirserv_single_reachability_test(time_t now, routerinfo_t *router)
Definition: reachability.c:134
void dirserv_test_reachability(time_t now)
Definition: reachability.c:186