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"
46 #include <arpa/inet.h>
47 #include <sys/socket.h>
51 #include <netinet/in.h>
52 #include <sys/ioctl.h>
63 static struct emp_qelem Players;
64 static int player_socket;
69 struct sockaddr_in sin;
75 emp_initque(&Players);
76 init_player_commands();
79 sp = getservbyname("empire", "tcp");
81 port = htons(atoi(loginport));
84 sin.sin_addr.s_addr = INADDR_ANY;
86 sin.sin_family = AF_INET;
87 if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
88 logerror("inet socket create");
92 #if !(defined(__linux__) && defined(__alpha__))
93 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val))
95 logerror("inet socket setsockopt SO_REUSEADDR (%d)", errno);
99 logerror("Alpha/Linux? You don't support SO_REUSEADDR yet, do you?\n");
101 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
102 logerror("inet socket bind");
105 #ifdef LISTENMAXCONN /* because someone in linux world didn't want to use
106 * SOMAXCONN as defined in the header files... */
107 if (listen(s, LISTENMAXCONN) < 0) {
108 logerror("inet socket listen");
112 if (listen(s, SOMAXCONN) < 0) {
113 logerror("inet socket listen");
121 player_new(int s, struct sockaddr_in *sin)
124 #ifdef RESOLVE_IPADDRESS
125 struct hostent *hostp;
128 lp = (struct player *)malloc(sizeof(struct player));
131 memset(lp, 0, sizeof(struct player));
133 /* real player, not dummy created by update and market update */
135 IO_READ | IO_WRITE | IO_NBLOCK,
141 emp_insque(&lp->queue, &Players);
142 strcpy(lp->hostaddr, inet_ntoa(sin->sin_addr));
143 #ifdef RESOLVE_IPADDRESS
146 gethostbyaddr((char *)&sin->sin_addr, sizeof(sin->sin_addr),
148 strcpy(lp->hostname, hostp->h_name);
149 #endif /* RESOLVE_IPADDRESS */
158 player_delete(struct player *lp)
162 back = (struct player *)lp->queue.q_back;
164 emp_remque(&lp->queue);
166 /* it's a real player */
171 /* XXX may need to free bigmap here */
176 player_next(struct player *lp)
179 lp = (struct player *)Players.q_forw;
181 lp = (struct player *)lp->queue.q_forw;
182 if (&lp->queue == &Players)
188 player_prev(struct player *lp)
191 lp = (struct player *)Players.q_back;
193 lp = (struct player *)lp->queue.q_back;
194 if (&lp->queue == &Players)
200 getplayer(natid cnum)
202 register struct emp_qelem *qp;
204 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
205 if (((struct player *)qp)->cnum == cnum)
206 return (struct player *)qp;
212 player_find_other(struct player *us, register natid cnum)
214 register struct emp_qelem *qp;
216 for (qp = Players.q_forw; qp != &Players; qp = qp->q_forw)
217 if (((struct player *)qp)->cnum == cnum &&
218 ((struct player *)qp != us) &&
219 (((struct player *)qp)->state == PS_PLAYING))
220 return (struct player *)qp;
227 player_wakeup_all(natid cnum)
229 register struct player *lp;
231 if (NULL != (lp = getplayer(cnum)))
236 player_wakeup(struct player *pl)
239 empth_wakeup(pl->proc);
244 player_accept(void *unused)
246 struct sockaddr_in sin;
247 int s = player_socket;
256 empth_select(s, EMPTH_FD_READ);
258 ns = accept(s, (struct sockaddr *)&sin, &len);
260 logerror("new socket accept");
263 (void)setsockopt(ns, SOL_SOCKET, SO_KEEPALIVE,
264 (char *)&set, sizeof(set));
265 np = player_new(ns, &sin);
267 logerror("can't create player for fd %d", ns);
271 /* XXX may not be big enough */
273 /* budget */ + max(WORLD_X * WORLD_Y / 2 * sizeof(int) * 7,
274 /* power */ MAXNOC * sizeof(struct powstr));
275 sprintf(buf, "Player (fd #%d)", ns);
276 empth_create(PP_PLAYER, player_login, stacksize,
277 0, buf, "Empire player", np);