Tor  0.4.3.0-alpha-dev
btrack_orconn.h
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1 /* Copyright (c) 2007-2020, The Tor Project, Inc. */
2 /* See LICENSE for licensing information */
3 
4 /**
5  * \file btrack_orconn.h
6  * \brief Header file for btrack_orconn.c
7  **/
8 
9 #ifndef TOR_BTRACK_ORCONN_H
10 #define TOR_BTRACK_ORCONN_H
11 
12 #include "lib/pubsub/pubsub.h"
13 
14 #ifdef BTRACK_ORCONN_PRIVATE
15 
16 #include "ht.h"
17 
18 /**
19  * Structure for tracking OR connection states
20  *
21  * This gets linked into two hash maps: one with connection IDs, and
22  * another with channel IDs.
23  **/
24 typedef struct bt_orconn_t {
25  HT_ENTRY(bt_orconn_t) node; /**< Hash map entry indexed by gid */
26  HT_ENTRY(bt_orconn_t) chan_node; /**< Hash map entry indexed by channel ID */
27  uint64_t gid; /**< Global ID of this ORCONN */
28  uint64_t chan; /**< Channel ID, if known */
29  int proxy_type; /**< Proxy type */
30  uint8_t state; /**< State of this ORCONN */
31  bool is_orig; /**< Does this carry an origin circuit? */
32  bool is_onehop; /**< Is this for a one-hop circuit? */
33 } bt_orconn_t;
34 
35 #endif /* defined(BTRACK_ORCONN_PRIVATE) */
36 
37 int btrack_orconn_init(void);
38 int btrack_orconn_add_pubsub(pubsub_connector_t *);
39 void btrack_orconn_fini(void);
40 
41 #endif /* !defined(TOR_BTRACK_ORCONN_H) */
struct pubsub_connector_t pubsub_connector_t
int btrack_orconn_init(void)
void btrack_orconn_fini(void)
Header for OO publish-subscribe functionality.