| 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) 2002-2003,2007 Mark Wedel & The Crossfire Development Team |
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| 6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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| 7 | * |
5 | * |
| 8 | * Deliantra is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
| 10 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
| 11 | * (at your option) any later version. |
9 | * option) any later version. |
| 12 | * |
10 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
| 17 | * |
15 | * |
| 18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
| 20 | * |
19 | * |
| 21 | * The authors can be reached via e-mail to <support@deliantra.net> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 22 | */ |
21 | */ |
| 23 | |
22 | |
| 24 | /** |
23 | /** |
| … | |
… | |
| 49 | #define BG_SCRUB_RATE 4 // how often to send a face in the background |
48 | #define BG_SCRUB_RATE 4 // how often to send a face in the background |
| 50 | |
49 | |
| 51 | #define MAX_QUEUE_DEPTH 50 |
50 | #define MAX_QUEUE_DEPTH 50 |
| 52 | #define MAX_QUEUE_BACKLOG 3. |
51 | #define MAX_QUEUE_BACKLOG 3. |
| 53 | |
52 | |
| 54 | // disconnect a socket after this many seconds without an ack |
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| 55 | #define SOCKET_TIMEOUT 16. |
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| 56 | |
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| 57 | void |
53 | void |
| 58 | client::reset_state () |
54 | client::reset_state () |
| 59 | { |
55 | { |
| 60 | if (!pl) |
56 | if (!pl) |
| 61 | return; |
57 | return; |
| … | |
… | |
| 95 | { |
91 | { |
| 96 | command &cmd = cmd_queue.front (); |
92 | command &cmd = cmd_queue.front (); |
| 97 | |
93 | |
| 98 | if (cmd.stamp + MAX_QUEUE_BACKLOG < NOW) |
94 | if (cmd.stamp + MAX_QUEUE_BACKLOG < NOW) |
| 99 | { |
95 | { |
| 100 | reset_state (); |
96 | reset_state (); // the command might actually reset some movement state etc. |
| 101 | send_packet_printf ("drawinfo %d ignoring delayed commands.", NDI_RED); |
97 | |
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98 | if (pl) |
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99 | pl->failmsg ( |
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100 | "Cannot keep up with your commands, ignoring them! " |
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101 | "H<Your character cannot keep up with the instructions you give G<him|her>. " |
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102 | "Try issuing commands slower, or, if G<he|she> is incapacitated (paralyzed and so on), " |
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103 | "wait till your character can act again.\n\nIf G<he|she> is permanently stuck, then " |
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104 | "try the B<suicide> command (or use B<chat> to ask somebody to B<invite> you out).>" |
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105 | ); |
| 102 | } |
106 | } |
| 103 | else |
107 | else |
| 104 | execute (cmd.handler, cmd.data, cmd.datalen); |
108 | execute (cmd.handler, cmd.data, cmd.datalen); |
| 105 | |
109 | |
| 106 | sfree<char> (cmd.data, cmd.datalen + 1); |
110 | sfree<char> (cmd.data, cmd.datalen + 1); |
| … | |
… | |
| 158 | tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss, |
162 | tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss, |
| 159 | |
163 | |
| 160 | tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked)); |
164 | tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked)); |
| 161 | #endif |
165 | #endif |
| 162 | |
166 | |
| 163 | // fast-time-out a player by checking for missign acks |
167 | // fast-time-out a player by checking for missing acks |
| 164 | // do this only when player is active |
168 | // do this only when player is active |
| 165 | if (pl && pl->active |
169 | if (pl && pl->active |
| 166 | && tcpi.tcpi_last_ack_recv > int (SOCKET_TIMEOUT * 1000)) |
170 | && tcpi.tcpi_last_ack_recv > int (socket_timeout * 1000)) |
| 167 | { |
171 | { |
| 168 | send_msg (NDI_RED | NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
172 | send_msg (NDI_RED | NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)"); |
| 169 | write_outputbuffer (); |
173 | write_outputbuffer (); |
| 170 | |
174 | |
| 171 | LOG (llevDebug, "connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd, |
175 | LOG (llevDebug, "connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd, |
