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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2013, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file control.h
* \brief Header file for control.c.
**/
#ifndef TOR_CONTROL_H
#define TOR_CONTROL_H
void control_update_global_event_mask(void);
void control_adjust_event_log_severity(void);
void control_ports_write_to_file(void);
/** Log information about the connection <b>conn</b>, protecting it as with
* CONN_LOG_PROTECT. Example:
*
* LOG_FN_CONN(conn, (LOG_DEBUG, "Socket %d wants to write", conn->s));
**/
#define LOG_FN_CONN(conn, args) \
CONN_LOG_PROTECT(conn, log_fn args)
int connection_control_finished_flushing(control_connection_t *conn);
int connection_control_reached_eof(control_connection_t *conn);
void connection_control_closed(control_connection_t *conn);
int connection_control_process_inbuf(control_connection_t *conn);
#define EVENT_AUTHDIR_NEWDESCS 0x000D
#define EVENT_NS 0x000F
int control_event_is_interesting(int event);
int control_event_circuit_status(origin_circuit_t *circ,
circuit_status_event_t e, int reason);
int control_event_circuit_purpose_changed(origin_circuit_t *circ,
int old_purpose);
int control_event_circuit_cannibalized(origin_circuit_t *circ,
int old_purpose,
const struct timeval *old_tv_created);
int control_event_stream_status(entry_connection_t *conn,
stream_status_event_t e,
int reason);
int control_event_or_conn_status(or_connection_t *conn,
or_conn_status_event_t e, int reason);
int control_event_bandwidth_used(uint32_t n_read, uint32_t n_written);
int control_event_stream_bandwidth(edge_connection_t *edge_conn);
int control_event_stream_bandwidth_used(void);
void control_event_logmsg(int severity, uint32_t domain, const char *msg);
int control_event_descriptors_changed(smartlist_t *routers);
int control_event_address_mapped(const char *from, const char *to,
time_t expires, const char *error,
const int cached);
int control_event_or_authdir_new_descriptor(const char *action,
const char *desc,
size_t desclen,
const char *msg);
int control_event_my_descriptor_changed(void);
int control_event_networkstatus_changed(smartlist_t *statuses);
int control_event_newconsensus(const networkstatus_t *consensus);
int control_event_networkstatus_changed_single(const routerstatus_t *rs);
int control_event_general_status(int severity, const char *format, ...)
CHECK_PRINTF(2,3);
int control_event_client_status(int severity, const char *format, ...)
CHECK_PRINTF(2,3);
int control_event_server_status(int severity, const char *format, ...)
CHECK_PRINTF(2,3);
int control_event_guard(const char *nickname, const char *digest,
const char *status);
int control_event_conf_changed(const smartlist_t *elements);
int control_event_buildtimeout_set(buildtimeout_set_event_t type,
const char *args);
int control_event_signal(uintptr_t signal);
int init_control_cookie_authentication(int enabled);
smartlist_t *decode_hashed_passwords(config_line_t *passwords);
void disable_control_logging(void);
void enable_control_logging(void);
void monitor_owning_controller_process(const char *process_spec);
void control_event_bootstrap(bootstrap_status_t status, int progress);
MOCK_DECL(void, control_event_bootstrap_problem,(const char *warn,
int reason));
void control_event_clients_seen(const char *controller_str);
void control_event_transport_launched(const char *mode,
const char *transport_name,
tor_addr_t *addr, uint16_t port);
void control_free_all(void);
#ifdef CONTROL_PRIVATE
/* Recognized asynchronous event types. It's okay to expand this list
* because it is used both as a list of v0 event types, and as indices
* into the bitfield to determine which controllers want which events.
*/
#define EVENT_MIN_ 0x0001
#define EVENT_CIRCUIT_STATUS 0x0001
#define EVENT_STREAM_STATUS 0x0002
#define EVENT_OR_CONN_STATUS 0x0003
#define EVENT_BANDWIDTH_USED 0x0004
#define EVENT_CIRCUIT_STATUS_MINOR 0x0005
#define EVENT_NEW_DESC 0x0006
#define EVENT_DEBUG_MSG 0x0007
#define EVENT_INFO_MSG 0x0008
#define EVENT_NOTICE_MSG 0x0009
#define EVENT_WARN_MSG 0x000A
#define EVENT_ERR_MSG 0x000B
#define EVENT_ADDRMAP 0x000C
/* Exposed above */
// #define EVENT_AUTHDIR_NEWDESCS 0x000D
#define EVENT_DESCCHANGED 0x000E
/* Exposed above */
// #define EVENT_NS 0x000F
#define EVENT_STATUS_CLIENT 0x0010
#define EVENT_STATUS_SERVER 0x0011
#define EVENT_STATUS_GENERAL 0x0012
#define EVENT_GUARD 0x0013
#define EVENT_STREAM_BANDWIDTH_USED 0x0014
#define EVENT_CLIENTS_SEEN 0x0015
#define EVENT_NEWCONSENSUS 0x0016
#define EVENT_BUILDTIMEOUT_SET 0x0017
#define EVENT_SIGNAL 0x0018
#define EVENT_CONF_CHANGED 0x0019
#define EVENT_TRANSPORT_LAUNCHED 0x0020
#define EVENT_MAX_ 0x0020
/* If EVENT_MAX_ ever hits 0x0040, we need to make the mask into a
* different structure. */
/* Used only by control.c and test.c */
STATIC size_t write_escaped_data(const char *data, size_t len, char **out);
STATIC size_t read_escaped_data(const char *data, size_t len, char **out);
/** Flag for event_format_t. Indicates that we should use the one standard
format. (Other formats previous existed, and are now deprecated)
*/
#define ALL_FORMATS 1
/** Bit field of flags to select how to format a controller event. Recognized
* flag is ALL_FORMATS. */
typedef int event_format_t;
#ifdef TOR_UNIT_TESTS
MOCK_DECL(STATIC void,
send_control_event_string,(uint16_t event, event_format_t which,
const char *msg));
void control_testing_set_global_event_mask(uint64_t mask);
#endif
#endif
#endif
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