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 * wu.c: Write a telegram to a user from another
30 * Known contributors to this file:
45 #include "prototypes.h"
47 static struct telstr last_tel[MAXNOC];
50 clear_telegram_is_new(natid to)
52 last_tel[to].tel_type = 0;
53 last_tel[to].tel_from = 0;
54 last_tel[to].tel_date = 0;
58 * telegram_is_new counts new telegrams the same as read_telegrams in
59 * lib/commands/mail.c and lib/commands/rea.c
63 telegram_is_new (natid to, struct telstr *tel)
65 extern int update_pending;
68 is_new |= tel->tel_type != last_tel[to].tel_type;
69 is_new |= tel->tel_from != last_tel[to].tel_from;
70 is_new |= !update_pending && /* sometimes updates take a long time */
71 abs (tel->tel_date - last_tel[to].tel_date) > TEL_SECONDS;
73 last_tel[to].tel_type = tel->tel_type;
74 last_tel[to].tel_from = tel->tel_from;
75 last_tel[to].tel_date = tel->tel_date;
82 wu(natid from, natid to, s_char *format, ...)
87 extern int update_pending;
90 (void) vsprintf(buf, format, ap);
94 return typed_wu(from, to, buf, TEL_UPDATE);
95 else if (np->nat_stat & STAT_GOD)
96 return typed_wu(from, to, buf, TEL_BULLETIN);
98 return typed_wu(from, to, buf, TEL_NORM);
102 typed_wu(natid from, natid to, s_char *message, int type)
115 struct player *other;
117 if (type == TEL_ANNOUNCE)
122 if (type != TEL_ANNOUNCE)
123 if ((np = getnatp(to)) == 0 ||
124 ((np->nat_stat & STAT_NORM) == 0 &&
125 (np->nat_stat & STAT_SANCT) == 0)) {
130 if ((fd = open(box, O_WRONLY|O_APPEND, 0)) < 0) {
132 if ((fd = open(box, O_WRONLY|O_APPEND|O_BINARY, 0)) < 0) {
134 logerror("telegram 'open' of %s (#%d) failed", box, to);
138 (void) time(&tel.tel_date);
143 if (len >= MAXTELSIZE)
144 len = (MAXTELSIZE - 1);
146 tel.tel_length = len;
149 iov[0].iov_base = (caddr_t) &tel;
150 iov[0].iov_len = sizeof(tel);
151 iov[1].iov_base = message;
152 iov[1].iov_len = len;
153 if (writev(fd, iov, 2) < (int)(iov[0].iov_len + iov[1].iov_len)) {
155 if ((write(fd, &tel, sizeof(tel)) != sizeof(tel)) ||
156 (write(fd, message, len) != len)) {
158 logerror("telegram 'write' to #%d failed", to);
159 } else if (type == TEL_ANNOUNCE) {
160 for (to=0; NULL != (np = getnatp(to)); to++) {
161 if (!(np->nat_stat & STAT_NORM) &&
162 !(np->nat_stat & STAT_SANCT))
164 if (!player->god && (getrejects(from,np) & REJ_ANNO))
166 notify = (np->nat_ann == 0);
170 player_wakeup_all(to);
173 notify = (np->nat_tgms == 0);
174 new_tele = telegram_is_new(to, &tel);
175 np->nat_tgms += new_tele || notify;
178 if (new_tele && np->nat_flags & NF_INFORM) {
179 if (NULL != (other = getplayer(to))) {
180 if (np->nat_tgms == 1)
181 pr_inform(other, "[new tele]\n");
183 pr_inform(other, "[%d new teles]\n",
185 player_wakeup_all(to);
188 player_wakeup_all(to);