mirror of
https://gitlab.torproject.org/tpo/core/tor.git
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96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/* Copyright (c) 2009-2012, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef _TOR_COMPAT_LIBEVENT_H
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#define _TOR_COMPAT_LIBEVENT_H
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#include "orconfig.h"
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struct event;
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struct event_base;
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#ifdef USE_BUFFEREVENTS
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struct bufferevent;
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struct ev_token_bucket_cfg;
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struct bufferevent_rate_limit_group;
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#endif
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#ifdef HAVE_EVENT2_EVENT_H
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#include <event2/util.h>
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#elif !defined(EVUTIL_SOCKET_DEFINED)
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#define EVUTIL_SOCKET_DEFINED
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#define evutil_socket_t int
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#endif
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void configure_libevent_logging(void);
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void suppress_libevent_log_msg(const char *msg);
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#ifdef HAVE_EVENT2_EVENT_H
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#define tor_event_new event_new
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#define tor_evtimer_new evtimer_new
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#define tor_evsignal_new evsignal_new
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#define tor_event_free event_free
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#define tor_evdns_add_server_port(sock, tcp, cb, data) \
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evdns_add_server_port_with_base(tor_libevent_get_base(), \
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(sock),(tcp),(cb),(data));
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#else
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struct event *tor_event_new(struct event_base * base, evutil_socket_t sock,
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short what, void (*cb)(evutil_socket_t, short, void *), void *arg);
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struct event *tor_evtimer_new(struct event_base * base,
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void (*cb)(evutil_socket_t, short, void *), void *arg);
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struct event *tor_evsignal_new(struct event_base * base, int sig,
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void (*cb)(evutil_socket_t, short, void *), void *arg);
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void tor_event_free(struct event *ev);
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#define tor_evdns_add_server_port evdns_add_server_port
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#endif
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typedef struct periodic_timer_t periodic_timer_t;
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periodic_timer_t *periodic_timer_new(struct event_base *base,
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const struct timeval *tv,
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void (*cb)(periodic_timer_t *timer, void *data),
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void *data);
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void periodic_timer_free(periodic_timer_t *);
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#ifdef HAVE_EVENT_BASE_LOOPEXIT
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#define tor_event_base_loopexit event_base_loopexit
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#else
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struct timeval;
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int tor_event_base_loopexit(struct event_base *base, struct timeval *tv);
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#endif
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/** Defines a configuration for using libevent with Tor: passed as an argument
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* to tor_libevent_initialize() to describe how we want to set up. */
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typedef struct tor_libevent_cfg {
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/** Flag: if true, disable IOCP (assuming that it could be enabled). */
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int disable_iocp;
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/** How many CPUs should we use (relevant only with IOCP). */
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int num_cpus;
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/** How many milliseconds should we allow between updating bandwidth limits?
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* (relevant only with bufferevents). */
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int msec_per_tick;
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} tor_libevent_cfg;
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void tor_libevent_initialize(tor_libevent_cfg *cfg);
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struct event_base *tor_libevent_get_base(void);
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const char *tor_libevent_get_method(void);
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void tor_check_libevent_version(const char *m, int server,
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const char **badness_out);
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void tor_check_libevent_header_compatibility(void);
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const char *tor_libevent_get_version_str(void);
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#ifdef USE_BUFFEREVENTS
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const struct timeval *tor_libevent_get_one_tick_timeout(void);
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int tor_libevent_using_iocp_bufferevents(void);
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int tor_set_bufferevent_rate_limit(struct bufferevent *bev,
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struct ev_token_bucket_cfg *cfg);
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int tor_add_bufferevent_to_rate_limit_group(struct bufferevent *bev,
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struct bufferevent_rate_limit_group *g);
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#endif
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void tor_gettimeofday_cached(struct timeval *tv);
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void tor_gettimeofday_cache_clear(void);
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#endif
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