2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * accept.c: Keep track of people logged in
30 * Known contributors to this file:
34 #include "prototypes.h"
37 #include "empthread.h"
47 #include <sys/socket.h>
51 #include <netinet/in.h>
52 #include <sys/ioctl.h>
63 struct emp_qelem Players;
68 emp_initque(&Players);
69 init_player_commands();
73 player_new(int s, struct sockaddr_in *sin)
76 struct hostent *hostp;
78 lp = (struct player *)malloc(sizeof(struct player));
81 memset(lp, 0, sizeof(struct player));
83 /* real player, not dummy created by update and market update */
85 IO_READ | IO_WRITE | IO_NBLOCK,
91 emp_insque(&lp->queue, &Players);
92 strcpy(lp->hostaddr, inet_ntoa(sin->sin_addr));
93 #ifdef RESOLVE_IPADDRESS
96 gethostbyaddr((char *)&sin->sin_addr, sizeof(sin->sin_addr),
98 strcpy(lp->hostname, hostp->h_name);
99 #endif /* RESOLVE_IPADDRESS */
108 player_delete(struct player *lp)
112 back = (struct player *)lp->queue.q_back;
114 emp_remque(&lp->queue);
116 /* it's a real player */
121 /* XXX may need to free bigmap here */
126 player_next(struct player *lp)
129 lp = (struct player *)Players.q_forw;
131 lp = (struct player *)lp->queue.q_forw;
132 if (&lp->queue == &Players)
138 player_prev(struct player *lp)
141 lp = (struct player *)Players.q_back;
143 lp = (struct player *)lp->queue.q_back;
144 if (&lp->queue == &Players)
150 getplayer(natid cnum)
152 register struct emp_qelem *qp;
154 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
155 if (((struct player *)qp)->cnum == cnum)
156 return (struct player *)qp;
162 player_find_other(struct player *us, register natid cnum)
164 register struct emp_qelem *qp;
166 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
167 if (((struct player *)qp)->cnum == cnum &&
168 ((struct player *)qp != us) &&
169 (((struct player *)qp)->state == PS_PLAYING))
170 return (struct player *)qp;
177 player_wakeup_all(natid cnum)
179 register struct player *lp;
181 if (NULL != (lp = getplayer(cnum)))
186 player_wakeup(struct player *pl)
189 empth_wakeup(pl->proc);
194 player_accept(void *argv)
196 struct sockaddr_in sin;
209 sp = getservbyname("empire", "tcp");
211 port = htons(atoi(loginport));
214 sin.sin_addr.s_addr = INADDR_ANY;
216 sin.sin_family = AF_INET;
217 if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
218 logerror("inet socket create");
222 #if !(defined(__linux__) && defined(__alpha__))
223 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val))
225 logerror("inet socket setsockopt SO_REUSEADDR (%d)", errno);
230 ("Alpha/Linux? You don't support SO_REUSEADDR yet, do you?\n");
232 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
233 logerror("inet socket bind");
236 #ifdef LISTENMAXCONN /* because someone in linux world didn't want to use
237 * SOMAXCONN as defined in the header files... */
238 if (listen(s, LISTENMAXCONN) < 0) {
239 logerror("inet socket listen");
243 if (listen(s, SOMAXCONN) < 0) {
244 logerror("inet socket listen");
249 empth_select(s, EMPTH_FD_READ);
251 ns = accept(s, (struct sockaddr *)&sin, &len);
253 logerror("new socket accept");
256 (void)setsockopt(ns, SOL_SOCKET, SO_KEEPALIVE,
257 (char *)&set, sizeof(set));
258 np = player_new(ns, &sin);
260 logerror("can't create player for fd %d", ns);
264 /* XXX may not be big enough */
266 /* budget */ + max(WORLD_X * WORLD_Y / 2 * sizeof(int) * 7,
267 /* power */ MAXNOC * sizeof(struct powstr));
268 sprintf(buf, "Player (fd #%d)", ns);
269 empth_create(PP_PLAYER, player_login, stacksize,
270 0, buf, "Empire player", np);