/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2017, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
*
* Known contributors to this file:
* Dave Pare, 1994
- * Markus Armbruster, 2005-2009
+ * Markus Armbruster, 2005-2014
*/
#include <config.h>
#include "empio.h"
#include "empthread.h"
-#include "file.h"
#include "misc.h"
#include "nat.h"
#include "optlist.h"
#include "player.h"
-#include "power.h"
-#include "proto.h"
#include "prototypes.h"
static struct emp_qelem Players;
static int player_socket;
static size_t player_addrlen;
+static const char *sockaddr_ntop(struct sockaddr *, char *, size_t);
+
void
player_init(void)
{
player_new(int s)
{
struct player *lp;
- struct timeval idle_timeout;
lp = malloc(sizeof(struct player));
if (!lp)
return NULL;
memset(lp, 0, sizeof(struct player));
- idle_timeout.tv_sec = max_idle * 60;
- idle_timeout.tv_usec = 0;
if (s >= 0) {
/* real player, not dummy created by update and market update */
- lp->iop = io_open(s, IO_READ | IO_WRITE, IO_BUFSIZE, idle_timeout);
+ lp->iop = io_open(s, IO_READ | IO_WRITE, IO_BUFSIZE);
if (!lp->iop) {
free(lp);
return NULL;
{
struct player *back;
- back = (struct player *)lp->queue.q_back;
- if (back)
- emp_remque(&lp->queue);
if (lp->iop) {
/* it's a real player */
- io_close(lp->iop);
+ io_close(lp->iop, player->curup + login_grace_time);
lp->iop = NULL;
}
+ back = (struct player *)lp->queue.q_back;
+ if (back)
+ emp_remque(&lp->queue);
free(lp);
/* XXX may need to free bigmap here */
return back;
}
/*
- * Return player in state PS_PLAYING for CNUM.
+ * Return player in state PS_PLAYING for @cnum.
*/
struct player *
getplayer(natid cnum)
return NULL;
}
+time_t
+player_io_deadline(struct player *pl, int write)
+{
+ if (pl->may_sleep < (write ? PLAYER_SLEEP_FREELY : PLAYER_SLEEP_ON_INPUT))
+ return 0;
+ if (pl->state != PS_PLAYING)
+ return pl->curup + login_grace_time;
+ return pl->curup
+ + minutes(pl->nstat & NONVIS ? max_idle: max_idle_visitor);
+}
+
/*ARGSUSED*/
void
player_accept(void *unused)
{
+ static int conn_cnt;
struct sockaddr *sap;
- void *inaddr;
- int s = player_socket;
struct player *np;
socklen_t len;
+ const char *p;
int ns;
int set = 1;
- int stacksize;
char buf[128];
-#ifdef RESOLVE_IPADDRESS
- struct hostent *hostp;
-#endif
/* auto sockaddr_storage would be simpler, but less portable */
sap = malloc(player_addrlen);
+ len = player_addrlen;
+ if (getsockname(player_socket, sap, &len)) {
+ logerror("getsockname() failed: %s", strerror(errno));
+ p = NULL;
+ } else {
+ p = sockaddr_ntop(sap, buf, sizeof(buf));
+ CANT_HAPPEN(!p);
+ }
+ logerror("Listening on %s", p ? buf : "unknown address");
while (1) {
- empth_select(s, EMPTH_FD_READ, NULL);
+ empth_select(player_socket, EMPTH_FD_READ, NULL);
len = player_addrlen;
- ns = accept(s, sap, &len);
+ ns = accept(player_socket, sap, &len);
/* FIXME accept() can block on some systems (RST after select() reports ready) */
if (ns < 0) {
logerror("new socket accept");
continue;
}
- /* FIXME SO_KEEPALIVE is useless, player_kill_idle() strikes long before */
(void)setsockopt(ns, SOL_SOCKET, SO_KEEPALIVE, &set, sizeof(set));
np = player_new(ns);
if (!np) {
close(ns);
continue;
}
-#ifdef HAVE_GETADDRINFO
- inaddr = sap->sa_family == AF_INET
- ? (void *)&((struct sockaddr_in *)sap)->sin_addr
- : (void *)&((struct sockaddr_in6 *)sap)->sin6_addr;
- /* Assumes that if you got getaddrinfo(), you got inet_ntop() too */
- if (!inet_ntop(sap->sa_family, inaddr,
- np->hostaddr, sizeof(np->hostaddr))) {
- logerror("inet_ntop() failed: %s", strerror(errno));
+ if (!sockaddr_ntop(sap, np->hostaddr, sizeof(np->hostaddr))) {
+ CANT_REACH();
player_delete(np);
continue;
}
+ logerror("Connect from %s", np->hostaddr);
+ sprintf(buf, "Conn%d", conn_cnt++);
+ empth_create(player_login, 1024 * 1024, 0, buf, np);
+ }
+}
+
+static const char *
+sockaddr_ntop(struct sockaddr *sap, char *buf, size_t bufsz)
+{
+#ifdef HAVE_GETADDRINFO
+ /* Assumes that if you got getaddrinfo(), you got inet_ntop() too */
+ sa_family_t af = sap->sa_family;
+ void *addr;
+ struct sockaddr_in6 *sap6;
+
+ if (af == AF_INET)
+ addr = &((struct sockaddr_in *)sap)->sin_addr;
+ else {
+ sap6 = (struct sockaddr_in6 *)sap;
+ addr = &sap6->sin6_addr;
+ if (IN6_IS_ADDR_V4MAPPED(&sap6->sin6_addr)) {
+ af = AF_INET;
+ addr = sap6->sin6_addr.s6_addr + 12;
+ }
+ }
+ return inet_ntop(af, addr, buf, bufsz);
#else
- inaddr = &((struct sockaddr_in *)sap)->sin_addr;
- strcpy(np->hostaddr, inet_ntoa(*(struct in_addr *)inaddr));
-#endif
-#ifdef RESOLVE_IPADDRESS
- hostp = gethostbyaddr(inaddr, player_addrlen, sap->sa_family);
- if (NULL != hostp)
- strcpy(np->hostname, hostp->h_name);
-#endif /* RESOLVE_IPADDRESS */
- /* FIXME ancient black magic; figure out true stack need */
- stacksize = 100000
-/* budget */ + MAX(WORLD_SZ() * sizeof(int) * 7,
-/* power */ MAXNOC * sizeof(struct powstr));
- sprintf(buf, "Conn%d", ns);
- empth_create(player_login, stacksize, 0, buf, np);
+ const char *p;
+
+ p = inet_ntoa(((struct sockaddr_in *)sap)->sin_addr);
+ if (strlen(p) >= bufsz) {
+ errno = ENOSPC;
+ return NULL;
}
+ return strcpy(buf, p);
+#endif
}