2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, 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 <arpa/inet.h>
48 #include <sys/socket.h>
52 #include <netinet/in.h>
53 #include <sys/ioctl.h>
64 struct emp_qelem Players;
69 emp_initque(&Players);
70 init_player_commands();
74 player_new(int s, struct sockaddr_in *sin)
77 #ifdef RESOLVE_IPADDRESS
78 struct hostent *hostp;
81 lp = (struct player *)malloc(sizeof(struct player));
84 memset(lp, 0, sizeof(struct player));
86 /* real player, not dummy created by update and market update */
88 IO_READ | IO_WRITE | IO_NBLOCK,
94 emp_insque(&lp->queue, &Players);
95 strcpy(lp->hostaddr, inet_ntoa(sin->sin_addr));
96 #ifdef RESOLVE_IPADDRESS
99 gethostbyaddr((char *)&sin->sin_addr, sizeof(sin->sin_addr),
101 strcpy(lp->hostname, hostp->h_name);
102 #endif /* RESOLVE_IPADDRESS */
111 player_delete(struct player *lp)
115 back = (struct player *)lp->queue.q_back;
117 emp_remque(&lp->queue);
119 /* it's a real player */
124 /* XXX may need to free bigmap here */
129 player_next(struct player *lp)
132 lp = (struct player *)Players.q_forw;
134 lp = (struct player *)lp->queue.q_forw;
135 if (&lp->queue == &Players)
141 player_prev(struct player *lp)
144 lp = (struct player *)Players.q_back;
146 lp = (struct player *)lp->queue.q_back;
147 if (&lp->queue == &Players)
153 getplayer(natid cnum)
155 register struct emp_qelem *qp;
157 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
158 if (((struct player *)qp)->cnum == cnum)
159 return (struct player *)qp;
165 player_find_other(struct player *us, register natid cnum)
167 register struct emp_qelem *qp;
169 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
170 if (((struct player *)qp)->cnum == cnum &&
171 ((struct player *)qp != us) &&
172 (((struct player *)qp)->state == PS_PLAYING))
173 return (struct player *)qp;
180 player_wakeup_all(natid cnum)
182 register struct player *lp;
184 if (NULL != (lp = getplayer(cnum)))
189 player_wakeup(struct player *pl)
192 empth_wakeup(pl->proc);
197 player_accept(void *unused)
199 struct sockaddr_in sin;
212 sp = getservbyname("empire", "tcp");
214 port = htons(atoi(loginport));
217 sin.sin_addr.s_addr = INADDR_ANY;
219 sin.sin_family = AF_INET;
220 if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
221 logerror("inet socket create");
225 #if !(defined(__linux__) && defined(__alpha__))
226 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val))
228 logerror("inet socket setsockopt SO_REUSEADDR (%d)", errno);
232 logerror("Alpha/Linux? You don't support SO_REUSEADDR yet, do you?\n");
234 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
235 logerror("inet socket bind");
238 #ifdef LISTENMAXCONN /* because someone in linux world didn't want to use
239 * SOMAXCONN as defined in the header files... */
240 if (listen(s, LISTENMAXCONN) < 0) {
241 logerror("inet socket listen");
245 if (listen(s, SOMAXCONN) < 0) {
246 logerror("inet socket listen");
251 empth_select(s, EMPTH_FD_READ);
253 ns = accept(s, (struct sockaddr *)&sin, &len);
255 logerror("new socket accept");
258 (void)setsockopt(ns, SOL_SOCKET, SO_KEEPALIVE,
259 (char *)&set, sizeof(set));
260 np = player_new(ns, &sin);
262 logerror("can't create player for fd %d", ns);
266 /* XXX may not be big enough */
268 /* budget */ + max(WORLD_X * WORLD_Y / 2 * sizeof(int) * 7,
269 /* power */ MAXNOC * sizeof(struct powstr));
270 sprintf(buf, "Player (fd #%d)", ns);
271 empth_create(PP_PLAYER, player_login, stacksize,
272 0, buf, "Empire player", np);