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/* * Copyright (c) 2012, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file circuitmux.h
* \brief Header file for circuitmux.c
**/
#ifndef _TOR_CIRCUITMUX_H
#define _TOR_CIRCUITMUX_H
#include "or.h"
/* Consistency check */
void circuitmux_assert_okay(circuitmux_t *cmux);
/* Create/destroy */
circuitmux_t * circuitmux_alloc(void);
void circuitmux_detach_all_circuits(circuitmux_t *cmux);
void circuitmux_free(circuitmux_t *cmux);
/* Status inquiries */
cell_direction_t circuitmux_attached_circuit_direction(
circuitmux_t *cmux,
circuit_t *circ);
int circuitmux_is_circuit_attached(circuitmux_t *cmux, circuit_t *circ);
int circuitmux_is_circuit_active(circuitmux_t *cmux, circuit_t *circ);
unsigned int circuitmux_num_cells_for_circuit(circuitmux_t *cmux,
circuit_t *circ);
unsigned int circuitmux_num_cells(circuitmux_t *cmux);
unsigned int circuitmux_num_circuits(circuitmux_t *cmux);
unsigned int circuitmux_num_active_circuits(circuitmux_t *cmux);
/* Channel interface */
circuit_t * circuitmux_get_first_active_circuit(circuitmux_t *cmux);
void circuitmux_notify_xmit_cells(circuitmux_t *cmux, circuit_t *circ,
unsigned int n_cells);
/* Circuit interface */
void circuitmux_attach_circuit(circuitmux_t *cmux, circuit_t *circ,
cell_direction_t direction);
void circuitmux_detach_circuit(circuitmux_t *cmux, circuit_t *circ);
void circuitmux_clear_num_cells(circuitmux_t *cmux, circuit_t *circ);
void circuitmux_add_to_num_cells(circuitmux_t *cmux, circuit_t *circ,
unsigned int n_cells);
void circuitmux_set_num_cells(circuitmux_t *cmux, circuit_t *circ,
unsigned int n_cells);
#endif /* _TOR_CIRCUITMUX_H */
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