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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.47 by root, Sat Jun 9 22:54:03 2007 UTC vs.
Revision 1.61 by root, Wed Sep 2 16:54:20 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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 * Deliantra 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 <support@deliantra.net>
23 */ 22 */
24 23
25/** 24/**
26 * \file 25 * \file
27 * Socket general functions 26 * Socket general functions
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
51sockvec clients; 56sockvec 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 */
58client::client (int fd, const char *peername) 63client::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
70
71 socket_timeout = 16.;
66 72
67 { 73 {
68 struct linger linger_opt; 74 struct linger linger_opt;
69 75
70 linger_opt.l_onoff = 0; 76 linger_opt.l_onoff = 0;
74 LOG (llevError, "SO_LINGER: %s\n", strerror (errno)); 80 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
75 } 81 }
76 82
77 { 83 {
78 int val; 84 int val;
85
86#ifdef SO_RCVBUF
87 val = SOCKET_RCVBUF;
88 if (setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &val, sizeof (val)))
89 LOG (llevError, "SO_RCVBUF: %s\n", strerror (errno));
90#endif
91
92#ifdef SO_SNDBUF
93 val = SOCKET_SNDBUF;
94 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, &val, sizeof (val)))
95 LOG (llevError, "SO_SNDBUF: %s\n", strerror (errno));
96#endif
79 97
80#ifdef IP_TOS 98#ifdef IP_TOS
81 val = IPTOS_LOWDELAY; 99 val = IPTOS_LOWDELAY;
82 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val))) 100 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
83 LOG (llevError, "IP_TOS: %s\n", strerror (errno)); 101 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
114 if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val)) 132 if (!getsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &val, &sl) && sl == sizeof (val))
115 mss = val; 133 mss = val;
116#endif 134#endif
117 } 135 }
118 136
119 {
120 int bufsize = 65535; /*Supposed absolute upper limit */
121 int oldbufsize;
122 int buflen = sizeof (int);
123
124 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1) 137 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
125 LOG (llevError, "InitConnection: Error on fcntl.\n"); 138 LOG (llevError, "InitConnection: Error on fcntl.\n");
126
127 if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
128 oldbufsize = 0;
129
130 if (oldbufsize < bufsize)
131 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
132 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
133
134 buflen = sizeof (oldbufsize);
135 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
136 }
137 139
138 state = ST_SETUP; 140 state = ST_SETUP;
139 mapmode = Map0Cmd; 141 mapmode = Map1aCmd;
140 darkness = 1;
141 mapx = 11; 142 mapx = 11;
142 mapy = 11; 143 mapy = 11;
143 itemcmd = 1; /* Default is version item1 command */ 144 itemcmd = 1; /* Default is version item1 command */
144 max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default 145 max_rate = 100000 / (1000000 / MAX_TIME); // ~1mbit is assumed per default
145 146
146 /* Do this so we don't send a face command for the client for 147 /* 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 148 * this face. Face 0 is sent to the client to say clear
148 * face information. 149 * face information.
149 */ 150 */
150 faces_sent[0] = true; 151 faces_sent[0] = true;
152 fx_want [FT_FACE] = true; // all clients must support image faces
151 153
152 socket_ev.prio (PE_PRIO_NORMAL); 154 socket_ev.set (fd, EV_READ);
155 socket_ev.prio (2); // one higher than the ticker priority
153 socket_ev.fd (fd); 156 socket_ev.start ();
154 socket_ev.poll (PE_R);
155
156 cmd_ev.prio (PE_PRIO_NORMAL);
157 157
158 // initialisation done, kick it! 158 // initialisation done, kick it!
159 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 159 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
160 flush (); 160 flush ();
161 161
166 166
167client::~client () 167client::~client ()
168{ 168{
169 clients.erase (this); 169 clients.erase (this);
170 170
171 mapinfo_queue_clear ();
171 free (stats.range); 172 free (stats.range);
172 free (stats.title); 173 free (stats.title);
173 free (host); 174 free (host);
174} 175}
175 176
189 close (fd); 190 close (fd);
190 } 191 }
191 192
192 state = ST_DEAD; 193 state = ST_DEAD;
193 194
194 socket_ev.suspend (); 195 socket_ev.stop ();
195 cmd_ev.suspend ();
196 196
197 refcnt_dec (); // socket no longer open 197 refcnt_dec (); // socket no longer open
198} 198}
199 199
200void 200void
212 last_resist[i] = -1; 212 last_resist[i] = -1;
213 213
214 last_weapon_sp = -1; 214 last_weapon_sp = -1;
215 last_level = -1; 215 last_level = -1;
216 last_stats.exp = -1; 216 last_stats.exp = -1;
217 last_weight = (uint32) - 1;
218 last_flags = 0; 217 last_flags = 0;
219 last_weight = 0; 218 last_weight = -1;
220 last_weight_limit = 0; 219 last_weight_limit = 0;
221 last_path_attuned = 0; 220 last_path_attuned = 0;
222 last_path_repelled = 0; 221 last_path_repelled = 0;
223 last_path_denied = 0; 222 last_path_denied = 0;
224 last_speed = 0; 223 last_speed = 0;
226 225
227 static living zero_living; 226 static living zero_living;
228 last_stats = zero_living; 227 last_stats = zero_living;
229} 228}
230 229
231/*******************************************************************************
232 *
233 * Start of functions dealing with freeing of the data.
234 *
235 ******************************************************************************/
236
237/** Free's all the memory that ericserver allocates. */
238void
239free_all_newserver (void)
240{
241 LOG (llevDebug, "Freeing all new client/server information.\n");
242 free_socket_images ();
243}
244
245client * 230client *
246client::create (int fd, const char *peername) 231client::create (int fd, const char *peername)
247{ 232{
248 client *ns = new client (dup (fd), peername); 233 client *ns = new client (dup (fd), peername);
249 ns->instantiate (); // effectively a nop right now 234 ns->instantiate (); // effectively a nop right now

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