| 1 | /* |
1 | /* |
| 2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 | * |
3 | * |
| 4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * |
5 | * |
| 6 | * Deliantra is free software: you can redistribute it and/or modify it under |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 7 | * the terms of the Affero GNU General Public License as published by the |
7 | * the terms of the Affero GNU General Public License as published by the |
| 8 | * Free Software Foundation, either version 3 of the License, or (at your |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
| 9 | * option) any later version. |
9 | * option) any later version. |
| … | |
… | |
| 178 | destroy (); |
178 | destroy (); |
| 179 | } |
179 | } |
| 180 | } |
180 | } |
| 181 | #endif |
181 | #endif |
| 182 | |
182 | |
|
|
183 | // limit budget surplus/deficit by one mss, add per-tick budget |
| 183 | rate_avail = min (max_rate + mss, rate_avail + max_rate); |
184 | rate_avail = min (rate_avail, mss) + max_rate; |
| 184 | |
185 | |
| 185 | int max_send = rate_avail; |
186 | int max_send = rate_avail; |
| 186 | |
187 | |
| 187 | #if HAVE_TCP_INFO |
188 | #if HAVE_TCP_INFO |
| 188 | // further restrict the available bandwidth by the excess bandwidth available |
189 | // further restrict the available bandwidth by the excess bandwidth available |
| 189 | max_send = min (max_send, (tcpi.tcpi_snd_cwnd - tcpi.tcpi_unacked + tcpi.tcpi_sacked) * mss); |
190 | min_it (max_send, (tcpi.tcpi_snd_cwnd - tcpi.tcpi_unacked + tcpi.tcpi_sacked) * mss); |
| 190 | #endif |
191 | #endif |
| 191 | |
192 | |
| 192 | // round to next-lowest mss |
193 | // round to next-lowest mss |
| 193 | max_send -= max_send % mss; |
194 | max_send -= max_send % mss; |
| 194 | |
195 | |
| … | |
… | |
| 244 | |
245 | |
| 245 | packet sl ("ix"); |
246 | packet sl ("ix"); |
| 246 | |
247 | |
| 247 | sl << ber32 (ix.idx) |
248 | sl << ber32 (ix.idx) |
| 248 | << ber32 (ix.ofs) |
249 | << ber32 (ix.ofs) |
| 249 | << data (d->data.data () + ix.ofs, chunk); |
250 | << data (d->data + ix.ofs, chunk); |
| 250 | |
251 | |
| 251 | send_packet (sl); |
252 | send_packet (sl); |
| 252 | } |
253 | } |
| 253 | else |
254 | else |
| 254 | ix.ofs = 0; |
255 | ix.ofs = 0; |
