| 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 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. |
| … | |
… | |
| 41 | #include <netdb.h> |
41 | #include <netdb.h> |
| 42 | |
42 | |
| 43 | #include <unistd.h> |
43 | #include <unistd.h> |
| 44 | #include <arpa/inet.h> |
44 | #include <arpa/inet.h> |
| 45 | |
45 | |
| 46 | #include <loader.h> |
|
|
| 47 | |
|
|
| 48 | #define BG_SCRUB_RATE 4 // how often to send a face in the background |
46 | #define BG_SCRUB_RATE 4 // how often to send a face in the background |
| 49 | |
47 | |
| 50 | #define MAX_QUEUE_DEPTH 50 |
48 | #define MAX_QUEUE_DEPTH 50 |
| 51 | #define MAX_QUEUE_BACKLOG 3. |
49 | #define MAX_QUEUE_BACKLOG 3. |
| 52 | |
50 | |
| … | |
… | |
| 65 | { |
63 | { |
| 66 | tstamp stamp = NOW; |
64 | tstamp stamp = NOW; |
| 67 | |
65 | |
| 68 | if (cmd_queue.size () >= MAX_QUEUE_DEPTH) |
66 | if (cmd_queue.size () >= MAX_QUEUE_DEPTH) |
| 69 | { |
67 | { |
| 70 | //TODO: just disconnect here? |
|
|
| 71 | reset_state (); |
68 | reset_state (); |
| 72 | send_packet_printf ("drawinfo %d command queue overflow, ignoring.", NDI_RED); |
69 | send_packet_printf ("drawinfo %d command queue overflow, ignoring.", NDI_RED); |
| 73 | } |
70 | } |
| 74 | else |
71 | else |
| 75 | { |
72 | { |
| … | |
… | |
| 181 | destroy (); |
178 | destroy (); |
| 182 | } |
179 | } |
| 183 | } |
180 | } |
| 184 | #endif |
181 | #endif |
| 185 | |
182 | |
|
|
183 | // limit budget surplus/deficit by one mss, add per-tick budget |
| 186 | rate_avail = min (max_rate + mss, rate_avail + max_rate); |
184 | rate_avail = min (rate_avail, mss) + max_rate; |
| 187 | |
185 | |
| 188 | int max_send = rate_avail; |
186 | int max_send = rate_avail; |
| 189 | |
187 | |
| 190 | #if HAVE_TCP_INFO |
188 | #if HAVE_TCP_INFO |
| 191 | // further restrict the available bandwidth by the excess bandwidth available |
189 | // further restrict the available bandwidth by the excess bandwidth available |
| 192 | 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); |
| 193 | #endif |
191 | #endif |
| 194 | |
192 | |
| 195 | // round to next-lowest mss |
193 | // round to next-lowest mss |
| 196 | max_send -= max_send % mss; |
194 | max_send -= max_send % mss; |
| 197 | |
195 | |
| … | |
… | |
| 247 | |
245 | |
| 248 | packet sl ("ix"); |
246 | packet sl ("ix"); |
| 249 | |
247 | |
| 250 | sl << ber32 (ix.idx) |
248 | sl << ber32 (ix.idx) |
| 251 | << ber32 (ix.ofs) |
249 | << ber32 (ix.ofs) |
| 252 | << data (d->data.data () + ix.ofs, chunk); |
250 | << data (d->data + ix.ofs, chunk); |
| 253 | |
251 | |
| 254 | send_packet (sl); |
252 | send_packet (sl); |
| 255 | } |
253 | } |
| 256 | else |
254 | else |
| 257 | ix.ofs = 0; |
255 | ix.ofs = 0; |
| … | |
… | |
| 268 | |
266 | |
| 269 | rate_avail -= outputbuffer_len (); |
267 | rate_avail -= outputbuffer_len (); |
| 270 | } |
268 | } |
| 271 | |
269 | |
| 272 | void |
270 | void |
| 273 | client::flush_sockets (void) |
271 | client::flush_sockets () |
| 274 | { |
272 | { |
| 275 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
273 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
| 276 | (*i)->flush (); |
274 | (*i)->flush (); |
| 277 | } |
275 | } |
| 278 | |
276 | |
| 279 | void |
277 | void |
| 280 | client::clock (void) |
278 | client::clock () |
| 281 | { |
279 | { |
| 282 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
280 | for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i) |
| 283 | (*i)->tick (); |
281 | (*i)->tick (); |
| 284 | |
282 | |
| 285 | // give them all the same chances |
283 | // give them all the same chances |
