src/or/main.h

   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) 2007-2013, The Tor Project, Inc. */
   5 /* See LICENSE for licensing information */
   6
   7 /**
   8  * \file main.h
   9  * \brief Header file for main.c.
  10  **/
  11
  12 #ifndef TOR_MAIN_H
  13 #define TOR_MAIN_H
  14
  15 extern int can_complete_circuit;
  16
  17 int connection_add_impl(connection_t *conn, int is_connecting);
  18 #define connection_add(conn) connection_add_impl((conn), 0)
  19 #define connection_add_connecting(conn) connection_add_impl((conn), 1)
  20 int connection_remove(connection_t *conn);
  21 void connection_unregister_events(connection_t *conn);
  22 int connection_in_array(connection_t *conn);
  23 void add_connection_to_closeable_list(connection_t *conn);
  24 int connection_is_on_closeable_list(connection_t *conn);
  25
  26 smartlist_t *get_connection_array(void);
  27 MOCK_DECL(uint64_t,get_bytes_read,(void));
  28 MOCK_DECL(uint64_t,get_bytes_written,(void));
  29
  30 /** Bitmask for events that we can turn on and off with
  31  * connection_watch_events. */
  32 typedef enum watchable_events {
  33   /* Yes, it is intentional that these match Libevent's EV_READ and EV_WRITE */
  34   READ_EVENT=0x02, /**< We want to know when a connection is readable */
  35   WRITE_EVENT=0x04 /**< We want to know when a connection is writable */
  36 } watchable_events_t;
  37 void connection_watch_events(connection_t *conn, watchable_events_t events);
  38 int connection_is_reading(connection_t *conn);
  39 MOCK_DECL(void,connection_stop_reading,(connection_t *conn));
  40 MOCK_DECL(void,connection_start_reading,(connection_t *conn));
  41
  42 int connection_is_writing(connection_t *conn);
  43 MOCK_DECL(void,connection_stop_writing,(connection_t *conn));
  44 MOCK_DECL(void,connection_start_writing,(connection_t *conn));
  45
  46 void connection_stop_reading_from_linked_conn(connection_t *conn);
  47
  48 void directory_all_unreachable(time_t now);
  49 void directory_info_has_arrived(time_t now, int from_cache);
  50
  51 void ip_address_changed(int at_interface);
  52 void dns_servers_relaunch_checks(void);
  53 void reschedule_descriptor_update_check(void);
  54
  55 MOCK_DECL(long,get_uptime,(void));
  56
  57 unsigned get_signewnym_epoch(void);
  58
  59 void handle_signals(int is_parent);
  60 void process_signal(uintptr_t sig);
  61
  62 int try_locking(const or_options_t *options, int err_if_locked);
  63 int have_lockfile(void);
  64 void release_lockfile(void);
  65
  66 void tor_cleanup(void);
  67 void tor_free_all(int postfork);
  68
  69 int tor_main(int argc, char *argv[]);
  70
  71 int do_main_loop(void);
  72 int tor_init(int argc, char **argv);
  73
  74 #ifdef MAIN_PRIVATE
  75 STATIC void init_connection_lists(void);
  76 STATIC void close_closeable_connections(void);
  77 #endif
  78
  79 #endif
  80