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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) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file circuitbuild.h
* \brief Header file for circuitbuild.c.
**/
#ifndef TOR_CHANNELPADDING_H
#define TOR_CHANNELPADDING_H
#include "trunnel/channelpadding_negotiation.h"
#define CHANNELPADDING_SOS_PARAM "nf_pad_single_onion"
#define CHANNELPADDING_SOS_DEFAULT 1
typedef enum {
CHANNELPADDING_WONTPAD,
CHANNELPADDING_PADLATER,
CHANNELPADDING_PADDING_SCHEDULED,
CHANNELPADDING_PADDING_ALREADY_SCHEDULED,
CHANNELPADDING_PADDING_SENT,
} channelpadding_decision_t;
channelpadding_decision_t channelpadding_decide_to_pad_channel(channel_t
*chan);
int channelpadding_update_padding_for_channel(channel_t *,
const channelpadding_negotiate_t
*chan);
void channelpadding_disable_padding_on_channel(channel_t *chan);
void channelpadding_reduce_padding_on_channel(channel_t *chan);
int channelpadding_send_enable_command(channel_t *chan, uint16_t low_timeout,
uint16_t high_timeout);
int channelpadding_get_circuits_available_timeout(void);
unsigned int channelpadding_get_channel_idle_timeout(const channel_t *, int);
void channelpadding_new_consensus_params(networkstatus_t *ns);
#endif /* !defined(TOR_CHANNELPADDING_H) */
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