The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2007-2008 The Android Open Source Project |
| 2 | ** |
| 3 | ** This software is licensed under the terms of the GNU General Public |
| 4 | ** License version 2, as published by the Free Software Foundation, and |
| 5 | ** may be copied, distributed, and modified under those terms. |
| 6 | ** |
| 7 | ** This program is distributed in the hope that it will be useful, |
| 8 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | ** GNU General Public License for more details. |
| 11 | */ |
| 12 | #ifndef _SLIRP_SHAPER_H_ |
| 13 | #define _SLIRP_SHAPER_H_ |
| 14 | |
| 15 | #include <stddef.h> |
| 16 | |
| 17 | /* a NetShaper object is used to limit the throughput of data packets |
| 18 | * at a fixed rate expressed in bits/seconds |
| 19 | */ |
| 20 | typedef struct NetShaperRec_* NetShaper; |
| 21 | typedef void (*NetShaperSendFunc)( void* data, size_t size, void* opaque); |
| 22 | |
| 23 | NetShaper netshaper_create ( int do_copy, |
| 24 | NetShaperSendFunc send_func ); |
| 25 | |
| 26 | void netshaper_set_rate(NetShaper shaper, double rate ); |
| 27 | |
| 28 | void netshaper_send( NetShaper shaper, void* data, size_t size ); |
| 29 | |
| 30 | void netshaper_send_aux( NetShaper shaper, void* data, size_t size, void* opaque ); |
| 31 | |
| 32 | int netshaper_can_send( NetShaper shaper ); |
| 33 | |
| 34 | void netshaper_destroy (NetShaper shaper); |
| 35 | |
| 36 | /* a NetDelay object is used to simulate network connection latencies */ |
| 37 | typedef struct NetDelayRec_* NetDelay; |
| 38 | |
| 39 | NetDelay netdelay_create( NetShaperSendFunc send_func ); |
| 40 | void netdelay_set_latency( NetDelay delay, int min_ms, int max_ms ); |
| 41 | void netdelay_send( NetDelay delay, const void* data, size_t size ); |
| 42 | void netdelay_send_aux( NetDelay delay, const void* data, size_t size, void* opaque ); |
| 43 | void netdelay_destroy( NetDelay delay ); |
| 44 | |
| 45 | /** in vl.c */ |
| 46 | /* network traffic shaper and delayer */ |
| 47 | extern NetShaper slirp_shaper_in; |
| 48 | extern NetShaper slirp_shaper_out; |
| 49 | extern NetDelay slirp_delay_in; |
| 50 | |
| 51 | #endif /* _SLIRP_SHAPER_H_ */ |