| 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) 2002-2003,2007 Mark Wedel & The Crossfire Development Team |
5 | * Copyright (©) 2002-2003,2007 Mark Wedel & The Crossfire Development Team |
| 6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
| 7 | * |
7 | * |
| 8 | * Deliantra is free software: you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| … | |
… | |
| 95 | { |
95 | { |
| 96 | command &cmd = cmd_queue.front (); |
96 | command &cmd = cmd_queue.front (); |
| 97 | |
97 | |
| 98 | if (cmd.stamp + MAX_QUEUE_BACKLOG < NOW) |
98 | if (cmd.stamp + MAX_QUEUE_BACKLOG < NOW) |
| 99 | { |
99 | { |
| 100 | reset_state (); |
100 | reset_state (); // the command might actually reset some movement state etc. |
| 101 | send_packet_printf ("drawinfo %d ignoring delayed commands.", NDI_RED); |
101 | |
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102 | if (pl) |
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103 | pl->failmsg ( |
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104 | "Cannot keep up with your commands, ignoring them! " |
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105 | "H<Your character cannot keep up with the instructions you give G<him|her>. " |
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106 | "Try issuing commands slower, or, if G<he|she> is incapacitated (paralyzed and so on), " |
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107 | "wait till your character can act again.\n\nIf G<he|she> is permanently stuck, then " |
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108 | "try the B<suicide> command (or use B<chat> to ask somebody to B<invite> you out).>" |
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109 | ); |
| 102 | } |
110 | } |
| 103 | else |
111 | else |
| 104 | execute (cmd.handler, cmd.data, cmd.datalen); |
112 | execute (cmd.handler, cmd.data, cmd.datalen); |
| 105 | |
113 | |
| 106 | sfree<char> (cmd.data, cmd.datalen + 1); |
114 | sfree<char> (cmd.data, cmd.datalen + 1); |
| … | |
… | |
| 114 | void |
122 | void |
| 115 | client::tick () |
123 | client::tick () |
| 116 | { |
124 | { |
| 117 | if (!pl || destroyed ()) |
125 | if (!pl || destroyed ()) |
| 118 | return; |
126 | return; |
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127 | |
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128 | pl->dirty = true; |
| 119 | |
129 | |
| 120 | /* Update the players stats once per tick. More efficient than |
130 | /* Update the players stats once per tick. More efficient than |
| 121 | * sending them whenever they change, and probably just as useful |
131 | * sending them whenever they change, and probably just as useful |
| 122 | */ |
132 | */ |
| 123 | esrv_update_stats (pl); |
133 | esrv_update_stats (pl); |
| 124 | |
134 | |
| 125 | sint32 weight = pl->ob->client_weight (); |
135 | sint32 weight = pl->ob->client_weight (); |
| 126 | |
136 | |
| 127 | if (last_weight != weight) |
137 | if (last_weight != weight) |
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138 | { |
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139 | pl->ob->update_stats (); |
| 128 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
140 | esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob); |
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141 | } |
| 129 | |
142 | |
| 130 | draw_client_map (pl); |
143 | draw_client_map (pl); |
| 131 | |
144 | |
| 132 | if (update_look) |
145 | if (update_look) |
| 133 | esrv_draw_look (pl); |
146 | esrv_draw_look (pl); |
| … | |
… | |
| 153 | tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss, |
166 | tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss, |
| 154 | |
167 | |
| 155 | tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked)); |
168 | tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked)); |
| 156 | #endif |
169 | #endif |
| 157 | |
170 | |
| 158 | // fast-time-out a player by checking for missign acks |
171 | // fast-time-out a player by checking for missing acks |
| 159 | // do this only when player is active |
172 | // do this only when player is active |
| 160 | if (pl && pl->active |
173 | if (pl && pl->active |
| 161 | && tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) |
174 | && tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) |
| 162 | { |
175 | { |
| 163 | send_msg (NDI_RED | NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
176 | send_msg (NDI_RED | NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
| … | |
… | |
| 177 | #if HAVE_TCP_INFO |
190 | #if HAVE_TCP_INFO |
| 178 | // further restrict the available bandwidth by the excess bandwidth available |
191 | // further restrict the available bandwidth by the excess bandwidth available |
| 179 | max_send = min (max_send, (tcpi.tcpi_snd_cwnd - tcpi.tcpi_unacked + tcpi.tcpi_sacked) * mss); |
192 | max_send = min (max_send, (tcpi.tcpi_snd_cwnd - tcpi.tcpi_unacked + tcpi.tcpi_sacked) * mss); |
| 180 | #endif |
193 | #endif |
| 181 | |
194 | |
| 182 | // if we can split images, round to next-lowest mss |
195 | // round to next-lowest mss |
| 183 | if (fxix) max_send -= max_send % mss; |
196 | max_send -= max_send % mss; |
| 184 | |
197 | |
| 185 | if (ixface.empty ()) |
198 | if (ixface.empty ()) |
| 186 | { |
199 | { |
| 187 | // regularly send a new face when queue is empty |
200 | // regularly send a new face when queue is empty |
| 188 | if (bg_scrub && !--bg_scrub && enable_bg_scrub) |
201 | if (bg_scrub && !--bg_scrub) |
| 189 | while (scrub_idx < faces.size () - 1) |
202 | while (scrub_idx < faces.size () - 1) |
| 190 | { |
203 | { |
| 191 | ++scrub_idx; |
204 | ++scrub_idx; |
| 192 | |
205 | |
| 193 | if (!faces_sent [scrub_idx]) |
206 | if (!faces_sent [scrub_idx]) |
| … | |
… | |
| 215 | |
228 | |
| 216 | ixsend &ix = ixface.back (); |
229 | ixsend &ix = ixface.back (); |
| 217 | |
230 | |
| 218 | if (facedata *d = face_data (ix.idx, faceset)) |
231 | if (facedata *d = face_data (ix.idx, faceset)) |
| 219 | { |
232 | { |
| 220 | if (fxix) |
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| 221 | { |
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| 222 | // estimate the packet header overhead "ix " + idx + (new)ofs |
233 | // estimate the packet header overhead "ix " + idx + (new)ofs |
| 223 | int pktlen = 3 + ber32::encoded_size (ix.idx) + ber32::encoded_size (ix.ofs); |
234 | int pktlen = 3 + ber32::encoded_size (ix.idx) + ber32::encoded_size (ix.ofs); |
| 224 | int chunk = min (avail - packet::hdrlen, MAXSOCKBUF) - pktlen; |
235 | int chunk = min (avail - packet::hdrlen, MAXSOCKBUF) - pktlen; |
| 225 | |
236 | |
| 226 | // only transfer something if the amount of data transferred |
237 | // only transfer something if the amount of data transferred |
| 227 | // has a healthy relation to the header overhead |
238 | // has a healthy relation to the header overhead |
| 228 | if (chunk < 64) |
239 | if (chunk < 64) |
| 229 | break; |
240 | break; |
| 230 | |
241 | |
| 231 | chunk = min (chunk, (int)ix.ofs); |
242 | chunk = min (chunk, (int)ix.ofs); |
| 232 | |
243 | |
| 233 | ix.ofs -= chunk; |
244 | ix.ofs -= chunk; |
| 234 | |
245 | |
| 235 | //fprintf (stderr, "i%dx %6d: %5d+%4d (%4d)\n", fxix, ix.idx,ix.ofs,chunk, ixface.size());//D |
246 | //fprintf (stderr, "i%dx %6d: %5d+%4d (%4d)\n", fxix, ix.idx,ix.ofs,chunk, ixface.size());//D |
| 236 | |
247 | |
| 237 | packet sl ("ix"); |
248 | packet sl ("ix"); |
| 238 | |
249 | |
| 239 | sl << ber32 (ix.idx) |
250 | sl << ber32 (ix.idx) |
| 240 | << ber32 (ix.ofs) |
251 | << ber32 (ix.ofs) |
| 241 | << data (d->data.data () + ix.ofs, chunk); |
252 | << data (d->data.data () + ix.ofs, chunk); |
| 242 | |
253 | |
| 243 | send_packet (sl); |
254 | send_packet (sl); |
| 244 | } |
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| 245 | else |
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| 246 | { |
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| 247 | send_image (ix.idx); |
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| 248 | ix.ofs = 0; |
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| 249 | } |
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| 250 | } |
255 | } |
| 251 | else |
256 | else |
| 252 | ix.ofs = 0; |
257 | ix.ofs = 0; |
| 253 | |
258 | |
| 254 | if (!ix.ofs) |
259 | if (!ix.ofs) |
