1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2011, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file connection.h
* \brief Header file for connection.c.
**/
#ifndef _TOR_CONNECTION_H
#define _TOR_CONNECTION_H
const char *conn_type_to_string(int type);
const char *conn_state_to_string(int type, int state);
dir_connection_t *dir_connection_new(int socket_family);
or_connection_t *or_connection_new(int socket_family);
edge_connection_t *edge_connection_new(int type, int socket_family);
control_connection_t *control_connection_new(int socket_family);
connection_t *connection_new(int type, int socket_family);
void connection_link_connections(connection_t *conn_a, connection_t *conn_b);
void connection_free(connection_t *conn);
void connection_free_all(void);
void connection_about_to_close_connection(connection_t *conn);
void connection_close_immediate(connection_t *conn);
void _connection_mark_for_close(connection_t *conn,int line, const char *file);
#define connection_mark_for_close(c) \
_connection_mark_for_close((c), __LINE__, _SHORT_FILE_)
void connection_expire_held_open(void);
int connection_connect(connection_t *conn, const char *address,
const tor_addr_t *addr,
uint16_t port, int *socket_error);
int connection_proxy_connect(connection_t *conn, int type);
int connection_read_proxy_handshake(connection_t *conn);
int retry_all_listeners(smartlist_t *replaced_conns,
smartlist_t *new_conns);
ssize_t connection_bucket_write_limit(connection_t *conn, time_t now);
int global_write_bucket_low(connection_t *conn, size_t attempt, int priority);
void connection_bucket_init(void);
void connection_bucket_refill(int seconds_elapsed, time_t now);
int connection_handle_read(connection_t *conn);
int connection_fetch_from_buf(char *string, size_t len, connection_t *conn);
int connection_wants_to_flush(connection_t *conn);
int connection_outbuf_too_full(connection_t *conn);
int connection_handle_write(connection_t *conn, int force);
void _connection_write_to_buf_impl(const char *string, size_t len,
connection_t *conn, int zlib);
static void connection_write_to_buf(const char *string, size_t len,
connection_t *conn);
static void connection_write_to_buf_zlib(const char *string, size_t len,
dir_connection_t *conn, int done);
static INLINE void
connection_write_to_buf(const char *string, size_t len, connection_t *conn)
{
_connection_write_to_buf_impl(string, len, conn, 0);
}
static INLINE void
connection_write_to_buf_zlib(const char *string, size_t len,
dir_connection_t *conn, int done)
{
_connection_write_to_buf_impl(string, len, TO_CONN(conn), done ? -1 : 1);
}
connection_t *connection_get_by_global_id(uint64_t id);
connection_t *connection_get_by_type(int type);
connection_t *connection_get_by_type_purpose(int type, int purpose);
connection_t *connection_get_by_type_addr_port_purpose(int type,
const tor_addr_t *addr,
uint16_t port, int purpose);
connection_t *connection_get_by_type_state(int type, int state);
connection_t *connection_get_by_type_state_rendquery(int type, int state,
const char *rendquery);
#define connection_speaks_cells(conn) ((conn)->type == CONN_TYPE_OR)
int connection_is_listener(connection_t *conn);
int connection_state_is_open(connection_t *conn);
int connection_state_is_connecting(connection_t *conn);
char *alloc_http_authenticator(const char *authenticator);
void assert_connection_ok(connection_t *conn, time_t now);
int connection_or_nonopen_was_started_here(or_connection_t *conn);
void connection_dump_buffer_mem_stats(int severity);
void remove_file_if_very_old(const char *fname, time_t now);
#endif
|