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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#ifndef _SLIRP_SHAPER_H_
#define _SLIRP_SHAPER_H_
#include <stddef.h>
/* a NetShaper object is used to limit the throughput of data packets
* at a fixed rate expressed in bits/seconds
*/
typedef struct NetShaperRec_* NetShaper;
typedef void (*NetShaperSendFunc)( void* data, size_t size, void* opaque);
NetShaper netshaper_create ( int do_copy,
NetShaperSendFunc send_func );
void netshaper_set_rate(NetShaper shaper, double rate );
void netshaper_send( NetShaper shaper, void* data, size_t size );
void netshaper_send_aux( NetShaper shaper, void* data, size_t size, void* opaque );
int netshaper_can_send( NetShaper shaper );
void netshaper_destroy (NetShaper shaper);
/* a NetDelay object is used to simulate network connection latencies */
typedef struct NetDelayRec_* NetDelay;
NetDelay netdelay_create( NetShaperSendFunc send_func );
void netdelay_set_latency( NetDelay delay, int min_ms, int max_ms );
void netdelay_send( NetDelay delay, const void* data, size_t size );
void netdelay_send_aux( NetDelay delay, const void* data, size_t size, void* opaque );
void netdelay_destroy( NetDelay delay );
/** in vl.c */
/* network traffic shaper and delayer */
extern NetShaper slirp_shaper_in;
extern NetShaper slirp_shaper_out;
extern NetDelay slirp_delay_in;
#endif /* _SLIRP_SHAPER_H_ */
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