1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
5 | * Copyright (©) 2001,2007 Mark Wedel |
5 | * Copyright (©) 2001,2007 Mark Wedel |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * Crossfire TRT is free software; you can redistribute it and/or modify it |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
9 | * under the terms of the GNU General Public License as published by the Free |
9 | * it under the terms of the GNU General Public License as published by |
10 | * Software Foundation; either version 2 of the License, or (at your option) |
10 | * the Free Software Foundation, either version 3 of the License, or |
11 | * any later version. |
11 | * (at your option) any later version. |
12 | * |
12 | * |
13 | * This program is distributed in the hope that it will be useful, but |
13 | * This program is distributed in the hope that it will be useful, |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License along |
18 | * You should have received a copy of the GNU General Public License |
19 | * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
|
21 | * |
20 | * |
22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
23 | */ |
22 | */ |
24 | |
23 | |
25 | /** |
24 | /** |
… | |
… | |
46 | #include <unistd.h> |
45 | #include <unistd.h> |
47 | #include <arpa/inet.h> |
46 | #include <arpa/inet.h> |
48 | |
47 | |
49 | #include <algorithm> |
48 | #include <algorithm> |
50 | |
49 | |
|
|
50 | // use relatively small values, as we do not expect to receive much, |
|
|
51 | // and we do userspace write buffering |
|
|
52 | // 8kb limits throughput to roughly 66kb/s |
|
|
53 | #define SOCKET_RCVBUF 8192 |
|
|
54 | #define SOCKET_SNDBUF 16384 |
|
|
55 | |
51 | sockvec clients; |
56 | sockvec clients; |
52 | |
57 | |
53 | /** |
58 | /** |
54 | * Initializes a connection. Really, it just sets up the data structure, |
59 | * Initializes a connection. Really, it just sets up the data structure, |
55 | * socket setup is handled elsewhere. We do send a version to the |
60 | * socket setup is handled elsewhere. We do send a version to the |
56 | * client. |
61 | * client. |
57 | */ |
62 | */ |
58 | client::client (int fd, const char *peername) |
63 | client::client (int fd, const char *peername) |
59 | : fd (fd), host (strdup (peername)), |
64 | : fd (fd), host (strdup (peername)), |
60 | socket_ev (this, &client::socket_cb), |
65 | socket_ev (this, &client::socket_cb) |
61 | cmd_ev (this, &client::cmd_cb) |
|
|
62 | { |
66 | { |
63 | refcnt_inc (); // the socket is an external reference |
67 | refcnt_inc (); // the socket is an external reference |
64 | |
68 | |
65 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
69 | mss = 1500 - 52; // 1500 typical ethernet frame, 66 typical tcp header overhead |
66 | |
70 | |
… | |
… | |
74 | LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); |
78 | LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); |
75 | } |
79 | } |
76 | |
80 | |
77 | { |
81 | { |
78 | int val; |
82 | int val; |
|
|
83 | |
|
|
84 | #ifdef SO_RCVBUF |
|
|
85 | val = SOCKET_RCVBUF; |
|
|
86 | if (setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &val, sizeof (val))) |
|
|
87 | LOG (llevError, "SO_RCVBUF: %s\n", strerror (errno)); |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | #ifdef SO_SNDBUF |
|
|
91 | val = SOCKET_SNDBUF; |
|
|
92 | if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, &val, sizeof (val))) |
|
|
93 | LOG (llevError, "SO_SNDBUF: %s\n", strerror (errno)); |
|
|
94 | #endif |
79 | |
95 | |
80 | #ifdef IP_TOS |
96 | #ifdef IP_TOS |
81 | val = IPTOS_LOWDELAY; |
97 | val = IPTOS_LOWDELAY; |
82 | if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) |
98 | if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) |
83 | LOG (llevError, "IP_TOS: %s\n", strerror (errno)); |
99 | LOG (llevError, "IP_TOS: %s\n", strerror (errno)); |
… | |
… | |
146 | /* Do this so we don't send a face command for the client for |
162 | /* Do this so we don't send a face command for the client for |
147 | * this face. Face 0 is sent to the client to say clear |
163 | * this face. Face 0 is sent to the client to say clear |
148 | * face information. |
164 | * face information. |
149 | */ |
165 | */ |
150 | faces_sent[0] = true; |
166 | faces_sent[0] = true; |
|
|
167 | fx_want [FT_FACE] = true; // all clients must support image faces |
151 | |
168 | |
152 | socket_ev.prio (PE_PRIO_NORMAL); |
169 | socket_ev.prio (PE_PRIO_HIGH); |
153 | socket_ev.fd (fd); |
170 | socket_ev.fd (fd); |
154 | socket_ev.poll (PE_R); |
171 | socket_ev.poll (PE_R); |
155 | |
|
|
156 | cmd_ev.prio (PE_PRIO_NORMAL); |
|
|
157 | |
172 | |
158 | // initialisation done, kick it! |
173 | // initialisation done, kick it! |
159 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
174 | send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); |
160 | flush (); |
175 | flush (); |
161 | |
176 | |
… | |
… | |
166 | |
181 | |
167 | client::~client () |
182 | client::~client () |
168 | { |
183 | { |
169 | clients.erase (this); |
184 | clients.erase (this); |
170 | |
185 | |
|
|
186 | mapinfo_queue_clear (); |
171 | free (stats.range); |
187 | free (stats.range); |
172 | free (stats.title); |
188 | free (stats.title); |
173 | free (host); |
189 | free (host); |
174 | } |
190 | } |
175 | |
191 | |
… | |
… | |
190 | } |
206 | } |
191 | |
207 | |
192 | state = ST_DEAD; |
208 | state = ST_DEAD; |
193 | |
209 | |
194 | socket_ev.suspend (); |
210 | socket_ev.suspend (); |
195 | cmd_ev.suspend (); |
|
|
196 | |
211 | |
197 | refcnt_dec (); // socket no longer open |
212 | refcnt_dec (); // socket no longer open |
198 | } |
213 | } |
199 | |
214 | |
200 | void |
215 | void |
… | |
… | |
226 | |
241 | |
227 | static living zero_living; |
242 | static living zero_living; |
228 | last_stats = zero_living; |
243 | last_stats = zero_living; |
229 | } |
244 | } |
230 | |
245 | |
231 | /******************************************************************************* |
|
|
232 | * |
|
|
233 | * Start of functions dealing with freeing of the data. |
|
|
234 | * |
|
|
235 | ******************************************************************************/ |
|
|
236 | |
|
|
237 | /** Free's all the memory that ericserver allocates. */ |
|
|
238 | void |
|
|
239 | free_all_newserver (void) |
|
|
240 | { |
|
|
241 | LOG (llevDebug, "Freeing all new client/server information.\n"); |
|
|
242 | free_socket_images (); |
|
|
243 | } |
|
|
244 | |
|
|
245 | client * |
246 | client * |
246 | client::create (int fd, const char *peername) |
247 | client::create (int fd, const char *peername) |
247 | { |
248 | { |
248 | client *ns = new client (dup (fd), peername); |
249 | client *ns = new client (dup (fd), peername); |
249 | ns->instantiate (); // effectively a nop right now |
250 | ns->instantiate (); // effectively a nop right now |