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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.17 by root, Thu Dec 14 20:39:54 2006 UTC vs.
Revision 1.40 by root, Wed Mar 14 01:19:10 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game for X-windows
3 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 2001 Mark Wedel 5 * Copyright (C) 2001 Mark Wedel
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version. 11 * (at your option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 21 *
21 The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The author can be reached via e-mail to <crossfire@schmorp.de>
22*/ 23 */
23 24
24/** 25/**
25 * \file 26 * \file
26 * Socket general functions 27 * Socket general functions
27 * 28 *
… …
29 * 30 *
30 * Mainly deals with initialization and higher level socket 31 * Mainly deals with initialization and higher level socket
31 * maintenance (checking for lost connections and if data has arrived.) 32 * maintenance (checking for lost connections and if data has arrived.)
32 * The reading of data is handled in ericserver.c 33 * The reading of data is handled in ericserver.c
33 */ 34 */
34
35 35
36#include <global.h> 36#include <global.h>
37#include <sproto.h> 37#include <sproto.h>
38#include <sys/types.h> 38#include <sys/types.h>
39#include <sys/time.h> 39#include <sys/time.h>
40#include <sys/socket.h> 40#include <sys/socket.h>
41#include <netinet/in.h> 41#include <netinet/in.h>
42#include <netinet/tcp.h>
43#include <netinet/ip.h>
42#include <netdb.h> 44#include <netdb.h>
43 45
44#ifdef HAVE_UNISTD_H
45# include <unistd.h> 46#include <unistd.h>
46#endif
47
48#ifdef HAVE_ARPA_INET_H
49# include <arpa/inet.h> 47#include <arpa/inet.h>
50#endif
51#include <newserver.h>
52 48
49#include <algorithm>
50
53sockvec client_sockets; 51sockvec clients;
54 52
55/** 53/**
56 * Initializes a connection. Really, it just sets up the data structure, 54 * Initializes a connection. Really, it just sets up the data structure,
57 * socket setup is handled elsewhere. We do send a version to the 55 * socket setup is handled elsewhere. We do send a version to the
58 * client. 56 * client.
59 */ 57 */
60client_socket::client_socket (int fd, const char *peername) 58client::client (int fd, const char *peername)
61: fd (fd), host (strdup (peername)), 59: fd (fd), host (strdup (peername)),
62 socket_ev (this, &client_socket::socket_cb) 60 socket_ev (this, &client::socket_cb),
61 cmd_ev (this, &client::cmd_cb),
62 cc_inv (this), cc_other (this)
63{ 63{
64 refcnt_inc (); // the socket is an external reference
65
64 { 66 {
65 struct linger linger_opt; 67 struct linger linger_opt;
66 68
67 linger_opt.l_onoff = 0; 69 linger_opt.l_onoff = 0;
68 linger_opt.l_linger = 0; 70 linger_opt.l_linger = 0;
69 71
70 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 72 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
71 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 73 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
72 } 74 }
75
76 {
77 int val = IPTOS_LOWDELAY;
78
79 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
80 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
81 }
82
83 {
84 int val = 1;
85
86 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
87 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
88 }
89
90#ifdef __linux__
91 {
92 int val;
93
94 // set some very aggressive keepalive parameters
95 val = 10;
96 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
97 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
98
99 val = 5;
100 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
101 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
102
103 val = 1;
104 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
105 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
106 }
107#endif
73 108
74 { 109 {
75 int bufsize = 65535; /*Supposed absolute upper limit */ 110 int bufsize = 65535; /*Supposed absolute upper limit */
76 int oldbufsize; 111 int oldbufsize;
77 int buflen = sizeof (int); 112 int buflen = sizeof (int);
… …
88 123
89 buflen = sizeof (oldbufsize); 124 buflen = sizeof (oldbufsize);
90 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 125 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
91 } 126 }
92 127
128 state = ST_SETUP;
93 mapmode = Map0Cmd; 129 mapmode = Map0Cmd;
94 darkness = 1; 130 darkness = 1;
95 status = Ns_Add;
96 mapx = 11; 131 mapx = 11;
97 mapy = 11; 132 mapy = 11;
98 itemcmd = 1; /* Default is version item1 command */ 133 itemcmd = 1; /* Default is version item1 command */
99
100 faces_sent_len = nrofpixmaps;
101 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
102 if (!faces_sent)
103 fatal (OUT_OF_MEMORY);
104 134
105 /* Do this so we don't send a face command for the client for 135 /* Do this so we don't send a face command for the client for
106 * this face. Face 0 is sent to the client to say clear 136 * this face. Face 0 is sent to the client to say clear
107 * face information. 137 * face information.
108 */ 138 */
109 faces_sent[0] = NS_FACESENT_FACE; 139 faces_sent[0] = true;
110 140
111 socket_ev.fd (fd).poll (PE_W).start (); 141 socket_ev.prio (PE_PRIO_NORMAL);
142 socket_ev.fd (fd);
143 socket_ev.poll (PE_R);
144
145 cmd_ev.prio (PE_PRIO_NORMAL);
112 146
113 // initialisation done, kick it! 147 // initialisation done, kick it!
114
115 {
116 packet sl;
117 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 148 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
118 send_packet (sl); 149 flush ();
150
151 reset_stats ();
152
153 clients.insert (this);
154}
155
156client::~client ()
157{
158 clients.erase (this);
159
160 free (stats.range);
161 free (stats.title);
162 free (host);
163}
164
165void
166client::do_destroy ()
167{
168 attachable::do_destroy ();
169
170 if (pl)
171 pl->disconnect ();
172
173 if (fd >= 0)
174 {
175 send_packet ("goodbye");
176 flush ();
177
178 close (fd);
119 } 179 }
120 180
121#if 0//TODO 181 state = ST_DEAD;
122 socket_info.nconns++;
123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
125#endif
126}
127 182
128client_socket::~client_socket () 183 socket_ev.suspend ();
184 cmd_ev.suspend ();
185
186 refcnt_dec (); // socket no longer open
187}
188
189void
190client::reset_stats ()
129{ 191{
130 status = Ns_Dead; 192 /* we need to clear these to -1 and not zero - otherwise,
193 * if a player quits and starts a new character, we wont
194 * send new values to the client, as things like exp start
195 * at zero.
196 */
197 for (int i = 0; i < NUM_SKILLS; i++)
198 last_skill_exp[i] = -1;
199
200 for (int i = 0; i < NROFATTACKS; i++)
201 last_resist[i] = -1;
202
203 last_weapon_sp = -1;
204 last_level = -1;
205 last_stats.exp = -1;
206 last_weight = (uint32) - 1;
207 last_flags = 0;
208 last_weight = 0;
209 last_weight_limit = 0;
210 last_path_attuned = 0;
211 last_path_repelled = 0;
212 last_path_denied = 0;
213 last_speed = 0;
214 flags = 0;
215
216 static living zero_living;
217 last_stats = zero_living;
131} 218}
132 219
133/** This sets up the socket and reads all the image information into memory. */ 220/** This sets up the socket and reads all the image information into memory. */
134void 221void
135init_ericserver (void) 222init_ericserver (void)
136{ 223{
137 struct sockaddr_in insock;
138 struct linger linger_opt;
139
140 memset (&cst_tot, 0, sizeof (CS_Stats));
141 memset (&cst_lst, 0, sizeof (CS_Stats));
142 cst_tot.time_start = time (NULL); 224 cst_tot.time_start = time (NULL);
143 cst_lst.time_start = time (NULL); 225 cst_lst.time_start = time (NULL);
144 226
145 LOG (llevDebug, "Initialize new client/server data\n"); 227 LOG (llevDebug, "Initialize new client/server data\n");
146
147 read_client_images ();
148} 228}
149 229
150 230
151/******************************************************************************* 231/*******************************************************************************
152 * 232 *
… …
160{ 240{
161 LOG (llevDebug, "Freeing all new client/server information.\n"); 241 LOG (llevDebug, "Freeing all new client/server information.\n");
162 free_socket_images (); 242 free_socket_images ();
163} 243}
164 244
165/** 245client *
166 * Frees a socket.
167 * Basically, all we need to do here is free all data structures that
168 * might be associated with the socket. It is up to the caller to
169 * update the list
170 */
171
172void
173free_newsocket (client_socket *ns)
174{
175 if (ns->fd >= 0)
176 close (ns->fd);
177
178 if (ns->stats.range)
179 free (ns->stats.range);
180
181 if (ns->stats.title)
182 free (ns->stats.title);
183
184 free (ns->host);
185
186 ns->fd = -1;
187 ns->stats.range = 0;
188 ns->stats.title = 0;
189 ns->host = 0;
190}
191
192/** Sends the 'goodbye' command to the player, and closes connection. */
193void
194final_free_player (player *pl)
195{
196 pl->socket->send_packet ("goodbye");
197 free_newsocket (pl->socket);
198 free_player (pl);
199}
200
201bool
202add_client_socket (int fd, const char *peername) 246client::create (int fd, const char *peername)
203{ 247{
204 if (checkbanned (NULL, peername))
205 {
206 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
207 return false;
208 }
209 else
210 {
211 client_socket *ns = new client_socket (dup (fd), peername); 248 client *ns = new client (dup (fd), peername);
212 client_sockets.push_back (ns); 249 ns->instantiate (); // effectively a nop right now
213 return true; 250 INVOKE_CLIENT (CONNECT, ns);
214 } 251 return ns;
215} 252}
216 253

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