The System Object (#0)

"...This code should only be run as a server task...";
if (callers())
    return E_PERM;
endif
if (typeof(h = $network:incoming_connection(player)) == OBJ)
    "connected to an object";
    return h;
elseif (h)
    return 0;
endif
host = $string_utils:connection_hostname(connection_name(player));
if ($login:redlisted(host))
    boot_player(player);
    server_log(tostr("REDLISTED: ", player, " from ", host));
    return 0;
endif
args = $login:parse_command(@args);
return $login:(args[1])(@listdelete(args, 1));
.

if (callers())
    "This code should only be run as a server task.";
    return E_PERM;
endif
$network:server_started();
$last_restart_time = time();
"... suitable prefix for server log messages...";
preamble = "STARTUP: [#0:server_started]  ";
if ($dump_interval > 3600)
    "...Setting dump time to 3am:";
    "...10 or 11 hours offset from GMT midnight plus now until GMT midnight.";
    dumptime = (((ctime()[27] == "D") ? 10 | 11) * 60) * 60;
    desired_interval = (24 * 60) * 60;
    $dump_interval = (dumptime - time()) % desired_interval;
    if ($dump_interval <= 0)
        $dump_interval = $dump_interval + desired_interval;
    endif
    server_log(tostr(preamble, "Checkpoint scheduled for ", ctime(time() + $dump_interval), 
"."));
    "...Now, the system starts up, and schedules the first checkpoint.";
    "...The second one will be scheduled at some random time if we don't reset it";
    "...to 24 hours.  Any time between now and the first checkpoint time will do.";
    fork (1)
        $dump_interval = desired_interval;
    endfork
else
    server_log(tostr(preamble, "Checkpoint scheduled every ", $dump_interval / 60, 
" minutes."));
endif
"...do some basic sanity checks for $maxint and $minint...";
if (((($maxint + 1) != $minint) || ($minint >= 0)) || ($maxint <= 0))
    server_log(preamble + "Warning:  $maxint and $minint look incorrect.");
endif
.

saved = {#0};
for p in (properties(#0))
    v = #0.(p);
    if ((typeof(v) == OBJ) && valid(v))
        saved = setadd(saved, v);
    endif
endfor
for o in (saved)
    p = parent(o);
    while (valid(p))
        saved = setadd(saved, p);
        p = parent(p);
    endwhile
endfor
return $list_utils:sort(saved);
.

if (caller_perms().wizard)
    pass();
    if ("server_started" in verbs(this))
        code = {"callers() || ($last_restart_time = time());"};
        set_verb_code(this, "server_started", code);
    endif
    $shutdown_message = "";
    $shutdown_time = 0;
    $dump_interval = 3600;
    $gripe_recipients = {player};
    $class_registry = {{"generics", "Generic objects intended for use as the parents 
of new objects", {$room, $exit, $thing, $note, $letter, $container, $root_class, 
$player, $prog, $wiz, $generic_editor, $mail_recipient, $mail_agent}}, {"utilities", 
"Objects holding useful general-purpose verbs", {$string_utils, $gender_utils, $trig_utils, 
$time_utils, $match_utils, $object_utils, $lock_utils, $list_utils, $command_utils, 
$code_utils, $perm_utils, $building_utils}}};
endif
.

"Added callers() security and login watcher Dredful 1/24/94";
if (callers())
    return E_PERM;
endif
user = args[1];
set_task_perms(user);
fork (0)
    user:confunc();
endfork
user.location:confunc(user);
$local.watcher:tell_connect(user);
.

"Added callers() security and login watcher functionality. Dredful 1/24/94";
if (callers())
    return E_PERM;
endif
user = args[1];
user.last_disconnect_time = time();
set_task_perms(user);
fork (0)
    user.location:disfunc(user);
endfork
user:disfunc();
if (valid(user))
    $local.watcher:tell_disconnect(user, verb == "user_disconnected");
endif
.

if (callers())
    return E_PERM;
else
    "for debugging until decide proper system of notification";
    for dude in ($set_utils:intersection($wiz_utils:all_wizards(), connected_players()))
        dude:notify("Message from server: checkpoint starting...");
    endfor
endif
.

if (callers())
    return E_PERM;
else
    "For debugging until decide on proper notification";
    for dude in ($set_utils:intersection($wiz_utils:all_wizards(), connected_players()))
        if (!args[1])
            dude:notify("Message from server: checkpoint failed!");
        else
            dude:notify("Message from server: checkpoint completed successfully.");
        endif
    endfor
endif
.