static int
play_cmd(void)
{
struct player *other;
natid cnum;
struct natstr *natp;
char **ap;
char buf[128];
ap = player->argp;
if (*++ap) {
strncpy(player->userid, *ap, sizeof(player->userid) - 1);
player->userid[sizeof(player->userid) - 1] = '\0';
player->authenticated = 0;
}
if (*++ap) {
if (natbyname(*ap, &cnum) < 0) {
pr_id(player, C_CMDERR, "country %s does not exist\n", *ap);
return RET_FAIL;
}
}
if (*++ap) {
if (!natpass(cnum, *ap)) {
pr_id(player, C_CMDERR, "password bad, logging entry\n");
logerror("%s tried country #%d with %s",
praddr(player), cnum, *ap);
return RET_FAIL;
}
player->cnum = cnum;
player->authenticated = 1;
}
if (!may_play())
return RET_FAIL;
other = getplayer(player->cnum);
if (other) {
natp = getnatp(player->cnum);
if (natp->nat_stat != STAT_VIS) {
pr_id(player, C_EXIT, "country in use by %s\n", praddr(other));
} else {
pr_id(player, C_EXIT, "country in use\n");
}
return RET_FAIL;
}
snprintf(buf, sizeof(buf), "Play#%d", player->cnum);
logerror("%s logged in as country #%d", praddr(player), player->cnum);
journal_login();
empth_set_name(empth_self(), buf);
pr_id(player, C_INIT, "%d\n", CLIENTPROTO);
empth_rwlock_rdlock(shutdown_lock);
player->state = PS_PLAYING;
player_main(player);
journal_logout();
logerror("%s logged out, country #%d", praddr(player), player->cnum);
if (!io_eof(player->iop) && !io_error(player->iop))
io_set_eof(player->iop);
return RET_OK;
}
/*
* Execute command named by player->argp[0].
* BUF is the raw UTF-8 command line. It should have been passed to
* parse() to set up player->argp.
* If REDIR is not null, it's the command's redirection, in UTF-8.
* Return -1 if the command is not unique or doesn't exist, else 0.
*/
int
dispatch(char *buf, char *redir)
{
struct natstr *np;
struct cmndstr *command;
int cmd;
cmd = comtch(player->argp[0], player_coms, player->nstat);
if (cmd < 0) {
if (cmd == M_NOTUNIQUE)
pr("Command \"%s\" is ambiguous -- ", player->argp[0]);
else if (cmd == M_IGNORE)
return 0;
else
pr("\"%s\" is not a legal command\n", player->argp[0]);
return -1;
}
command = &player_coms[cmd];
np = getnatp(player->cnum);
if (np->nat_btu < command->c_cost && command->c_cost > 0) {
if (player->god || opt_BLITZ)
np->nat_btu = max_btus;
else {
pr("You don't have the BTU's, bozo\n");
return 0;
}
}
if (!command->c_addr) {
pr("Command not implemented\n");
return 0;
}
player->may_sleep = command->c_flags & C_MOD
? PLAYER_SLEEP_ON_INPUT : PLAYER_SLEEP_FREELY;
player->command = command;
empth_rwlock_rdlock(update_lock);
if (redir) {
prredir(redir);
uprnf(buf);
pr("\n");
}
journal_command(command->c_form);
switch (command->c_addr()) {
case RET_OK:
player->btused += command->c_cost;
break;
case RET_FAIL:
pr("command failed\n");
player->btused += command->c_cost;
break;
case RET_SYN:
pr("Usage: %s\n", command->c_form);
break;
default:
CANT_REACH();
break;
}
empth_rwlock_unlock(update_lock);
player->command = NULL;
if (player->may_sleep != PLAYER_SLEEP_NEVER || !io_eof(player->iop))
player->may_sleep = PLAYER_SLEEP_FREELY;
/* else we're being kicked out */
return 0;
}
