/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* wu.c: Write a telegram to a user from another
- *
+ *
* Known contributors to this file:
* Steve McClure, 2000
- *
*/
-#include <stdarg.h>
-#include "misc.h"
+#include <config.h>
+
#include <fcntl.h>
-#if !defined(_WIN32)
+#include <stdarg.h>
#include <sys/uio.h>
-#endif
-#include "nat.h"
-#include "tel.h"
+#include <unistd.h>
#include "file.h"
-#include "player.h"
-#include "server.h"
+#include "misc.h"
+#include "nat.h"
#include "optlist.h"
+#include "player.h"
#include "prototypes.h"
+#include "server.h"
+#include "tel.h"
static struct telstr last_tel[MAXNOC];
}
/*
- * telegram_is_new counts new telegrams the same as read_telegrams in
+ * telegram_is_new counts new telegrams the same as read_telegrams in
* lib/commands/mail.c and lib/commands/rea.c
*/
is_new |= tel->tel_type != last_tel[to].tel_type;
is_new |= tel->tel_from != last_tel[to].tel_from;
- is_new |= !update_pending && /* sometimes updates take a long time */
+ is_new |= !update_running && /* updates can take a long time */
abs(tel->tel_date - last_tel[to].tel_date) > TEL_SECONDS;
last_tel[to].tel_type = tel->tel_type;
return is_new;
}
-/*VARARGS*/
+/*
+ * Send a telegram from FROM to TO.
+ * Format text to send using printf-style FORMAT and optional
+ * arguments. It is plain ASCII.
+ * If running from the update, telegram type is TEL_UPDATE.
+ * Else if FROM is a deity, type is TEL_BULLETIN.
+ * Else it is TEL_NORM.
+ * Return 0 on success, -1 on error.
+ */
int
-wu(natid from, natid to, s_char *format, ...)
+wu(natid from, natid to, char *format, ...)
{
struct natstr *np;
va_list ap;
- s_char buf[4096];
+ char buf[4096];
va_start(ap, format);
(void)vsprintf(buf, format, ap);
va_end(ap);
np = getnatp(from);
- if (update_pending)
+ if (update_running)
return typed_wu(from, to, buf, TEL_UPDATE);
- else if (np->nat_stat & STAT_GOD)
+ else if (np->nat_stat == STAT_GOD)
return typed_wu(from, to, buf, TEL_BULLETIN);
else
return typed_wu(from, to, buf, TEL_NORM);
}
+/*
+ * Send a telegram from FROM to TO.
+ * MESSAGE is the text to send, in UTF-8.
+ * TYPE is the telegram type.
+ * Return 0 on success, -1 on error.
+ */
int
-typed_wu(natid from, natid to, s_char *message, int type)
+typed_wu(natid from, natid to, char *message, int type)
{
- register s_char *bp;
int len;
struct telstr tel;
struct natstr *np;
-#if !defined(_WIN32)
struct iovec iov[2];
-#endif
int fd;
- s_char box[1024];
- int notify = 0;
+ char box[1024];
+ int write_ok = 0;
int new_tele = 0;
struct player *other;
mailbox(box, to);
if (type != TEL_ANNOUNCE)
- if ((np = getnatp(to)) == 0 ||
- ((np->nat_stat & STAT_NORM) == 0 &&
- (np->nat_stat & STAT_SANCT) == 0)) {
+ if ((np = getnatp(to)) == 0 || np->nat_stat < STAT_SANCT)
return -1;
- }
#if !defined(_WIN32)
if ((fd = open(box, O_WRONLY | O_APPEND, 0)) < 0) {
#else
logerror("telegram 'open' of %s (#%d) failed", box, to);
return -1;
}
+ memset(&tel, 0, sizeof(tel));
tel.tel_from = from;
(void)time(&tel.tel_date);
- bp = message;
- while (*bp++) ;
- len = bp - message;
- if (len >= MAXTELSIZE)
- len = (MAXTELSIZE - 1);
- message[len] = 0;
+ len = strlen(message);
+ if (CANT_HAPPEN(len > MAXTELSIZE)) {
+ len = MAXTELSIZE;
+ message[len] = 0;
+ }
tel.tel_length = len;
tel.tel_type = type;
-#if !defined(_WIN32)
iov[0].iov_base = &tel;
iov[0].iov_len = sizeof(tel);
iov[1].iov_base = message;
iov[1].iov_len = len;
if (writev(fd, iov, 2) < (int)(iov[0].iov_len + iov[1].iov_len)) {
-#else
- if ((write(fd, &tel, sizeof(tel)) != sizeof(tel)) ||
- (write(fd, message, len) != len)) {
-#endif
logerror("telegram 'write' to #%d failed", to);
- } else if (type == TEL_ANNOUNCE) {
+ } else
+ write_ok = 1;
+
+ if (close(fd) == -1) {
+ logerror("telegram 'write' to #%d failed to close.", to);
+ } else if (write_ok && type == TEL_ANNOUNCE) {
for (to = 0; NULL != (np = getnatp(to)); to++) {
- if (!(np->nat_stat & STAT_NORM) &&
- !(np->nat_stat & STAT_SANCT))
+ if (np->nat_stat < STAT_SANCT)
continue;
if (!player->god && (getrejects(from, np) & REJ_ANNO))
continue;
- notify = (np->nat_ann == 0);
np->nat_ann++;
putnat(np);
- if (notify)
- player_wakeup_all(to);
}
- } else {
- notify = (np->nat_tgms == 0);
+ } else if (write_ok) {
new_tele = telegram_is_new(to, &tel);
- np->nat_tgms += new_tele || notify;
+ np->nat_tgms += new_tele || np->nat_tgms == 0;
putnat(np);
if (new_tele && np->nat_flags & NF_INFORM) {
pr_inform(other, "[new tele]\n");
else
pr_inform(other, "[%d new teles]\n", np->nat_tgms);
- player_wakeup_all(to);
}
- } else if (notify)
- player_wakeup_all(to);
+ }
}
- close(fd);
return 0;
}