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/cvs/deliantra/server/ext/login.ext
Revision: 1.47
Committed: Fri Apr 27 17:16:13 2007 UTC (17 years ago) by root
Branch: MAIN
Changes since 1.46: +1 -1 lines
Log Message:
remove a source for relatively useless refcounts being kept on players

File Contents

# Content
1 #! perl # MANDATORY
2
3 # login handling
4
5 use Fcntl;
6 use Coro::AIO;
7 use List::Util qw(min max);
8
9 # paranoia function to overwrite a string-in-place
10 sub nuke_str {
11 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
12 }
13
14 sub query {
15 my ($ns, $flags, $text) = @_;
16
17 my $current = $Coro::current;
18 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
19 Coro::schedule while ref $current;
20
21 $current
22 }
23
24 sub can_cleanup {
25 my ($pl, $mtime) = @_;
26
27 my $age = time - $mtime;
28 my $level = $pl->ob->level;
29
30 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
31 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
32 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
33 || $age > 700 * 86400 # 2 years for everybody else
34 }
35
36 sub check_playing {
37 my ($ns, $user) = @_;
38
39 return unless cf::player::find_active $user;
40
41 $ns->send_drawinfo (
42 "That player is already logged in on this server. "
43 . "If you want to create a new player, choose another name. "
44 . "If you are already a registered player, make sure nobody "
45 . "else is using your account at this time. If you lost your conenction "
46 . "then the server will likely timeout within a minute. If you still "
47 . "cannot log-in after a minute, you are still logged in. Make sure "
48 . "you do not have another client running. If you use windows, reboot, "
49 . "this will fix anything.",
50 cf::NDI_RED
51 );
52
53 1
54 }
55
56 sub check_clean_save {
57 my ($pl) = @_;
58
59 if (my $time = delete $pl->{unclean_save}) {
60 $pl->ns->send_drawinfo (
61 "You didn't use a savebed to leave this realm. This is very dangerous, "
62 . "as lots of things could happen when you leave by other means, such as cave-ins, "
63 . "or monsters suddenly snapping your body. Better use a savebed next time.",
64 cf::NDI_RED
65 );
66 #d#TODO
67 }
68 }
69
70 # delete a player directory, be non-blocking AND synchronous...
71 # (thats hard, so we crap out and fork).
72 sub nuke_playerdir {
73 my ($user) = @_;
74
75 aio_stat "$PLAYERDIR/$user";
76 system "cd \Q$PLAYERDIR\E "
77 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
78 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
79 }
80
81 sub send_capabilities {
82 my ($ns) = @_;
83
84 return unless $ns->extcmd;
85
86 $ns->ext_event (capabilities =>
87 # id, name, flags (1 == 2d), edge length
88 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
89 );
90 }
91
92 sub setup {
93 my ($ns, $args) = @_;
94
95 # run through the cmds of setup
96 # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
97 #
98 # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
99 # The client then must sort this out
100
101 my %setup = split / +/, $args;
102 while (my ($k, $v) = each %setup) {
103 if ($k eq "sound") {
104 $ns->sound ($v);
105
106 } elsif ($k eq "exp64") {
107 $setup{$k} = 1;
108
109 } elsif ($k eq "spellmon") {
110 $ns->monitor_spells ($v);
111
112 } elsif ($k eq "darkness") {
113 $ns->darkness ($v);
114
115 } elsif ($k eq "map1cmd") {
116 $ns->mapmode (cf::Map1Cmd) if $v > 0;
117
118 } elsif ($k eq "map1acmd") {
119 $ns->mapmode (cf::Map1aCmd) if $v > 0;
120
121 } elsif ($k eq "map2cmd") {
122 # gcfclient bug, map1acmd is sent too late
123 $ns->mapmode (cf::Map1aCmd);
124 $setup{$k} = "FALSE";
125
126 } elsif ($k eq "newmapcmd") {
127 $ns->newmapcmd ($v);
128
129 } elsif ($k eq "mapinfocmd") {
130 $ns->mapinfocmd ($v);
131
132 } elsif ($k eq "extcmd") {
133 $ns->extcmd ($v > 0);
134 send_capabilities $ns;
135
136 } elsif ($k eq "extmap") {
137 $ns->extmap ($v);
138
139 } elsif ($k eq "facecache") {
140 if (!$v) {
141 $v = 1;
142 $setup{$k} = $v;
143 $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
144 }
145
146 $ns->facecache ($v);
147
148 } elsif ($k eq "faceset") {
149 $ns->faceset (0);
150 $setup{$k} = 0;
151 # $ns->image2 (1)
152
153 } elsif ($k eq "tileset") {
154 $setup{$k} = $ns->faceset ($v & 1);
155
156 } elsif ($k eq "itemcmd") {
157 # Version of the item protocol command to use. Currently,
158 # only supported versions are 1 and 2. Using a numeric
159 # value will make it very easy to extend this in the future.
160 $ns->itemcmd ($v) if $v >= 1 && $v <= 2;
161
162 $setup{$k} = $ns->itemcmd;
163
164 } elsif ($k eq "mapsize") {
165 my ($x, $y) = split /x/, $v;
166
167 $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
168 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
169
170 $setup{$k} = "${x}x${y}";
171
172 } elsif ($k eq "extendedMapInfos") {
173 $ns->ext_mapinfos ($v);
174
175 } elsif ($k eq "extendedTextInfos") {
176 $ns->has_readable_type ($v);
177
178 } elsif ($k eq "smoothing") { # cfplus-style smoothing
179 $ns->smoothing ($v);
180
181 } elsif ($k eq "fxix") {
182 $ns->fxix ($v);
183
184 } elsif ($k eq "msg") {
185 $ns->can_msg ($v);
186
187 } elsif ($k eq "excmd") {
188 # we support it
189
190 } else {
191 # other commands:
192 # sexp: no idea, probably for oudated servers
193 # tick: more stupidity, server should send a tick per tick
194
195 $setup{$k} = "FALSE";
196 }
197 }
198
199 $ns->send_packet (join " ", setup => %setup);
200
201 cf::datalog setup =>
202 request => $args,
203 reply => \%setup,
204 client => $ns->version,
205 ;
206 }
207
208 sub addme {
209 my ($ns) = @_;
210
211 if (!$ns->facecache)
212 {
213 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
214
215
216 ***
217 *** WARNING:
218 *** Your client does not support face/image caching,
219 *** or it has been disabled. Face caching is mandatory
220 *** so please enable it or use a newer client.
221 ***
222 *** Look at your client preferences:
223 ***
224 *** CFPlus: all known versions automatically enable the facecache.
225 *** cfclient: use the -cache commandline option.
226 *** cfclient: map will not redraw automatically (bug).
227 *** gcfclient: use -cache commandline option, or enable
228 *** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
229 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
230 ***
231 ***
232 EOF
233 if ($ns->version =~ /jcrossclient/) {
234 # let them, for now
235 } else {
236 $ns->flush;
237 return $ns->destroy;
238 }
239
240 # $ns->facecache = true;
241 }
242
243 if ($ns->mapmode < cf::Map1aCmd) {
244 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
245
246
247 ***
248 *** WARNING:
249 *** Your client is too old. Please upgrade to a newer version.
250 EOF
251
252 $ns->flush;
253 return $ns->destroy;
254 }
255
256 $ns->pl and return $ns->destroy;
257
258 $ns->async (sub {
259 my ($user, $pass);
260
261 $ns->send_packet ("addme_success");
262
263 for (;;) {
264 $ns->send_drawinfo (
265 "Please enter your username now. If you are a new user, "
266 . "make one up that describes your character best. "
267 . "Only letters and digits are allowed, though.",
268 cf::NDI_BLUE
269 );
270
271 # read username
272 while () {
273 $user = query $ns, 0, "What is your name?\n:";
274
275 if ($cf::LOGIN_LOCK{$user}) {
276 $ns->send_drawinfo (
277 "That username is currently used in another login session. "
278 . "Chose another, or wait till the other session has ended.",
279 cf::NDI_RED
280 );
281 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
282 last;
283 } else {
284 $ns->send_drawinfo (
285 "Your username contains illegal characters "
286 . "(only a-z, A-Z and 0-9 are allowed), "
287 . "or is not between 3 and 18 characters in length.",
288 cf::NDI_RED
289 );
290 }
291 }
292
293 check_playing $ns, $user and next;
294
295 $ns->send_drawinfo (
296 "Welcome $user, please enter your password now. "
297 . "New users should now choose a password. "
298 . "Anything your client lets you enter is fine.",
299 cf::NDI_BLUE
300 );
301
302 # read password
303 while () {
304 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
305 last if $pass =~ /.../;
306 $ns->send_drawinfo (
307 "Try to use at least three characters as your password please, "
308 . "that cannot be too much to ask for :)",
309 cf::NDI_RED
310 );
311 }
312
313 # lock this username for the remainder of this login session
314 if ($cf::LOGIN_LOCK{$user}) {
315 $ns->send_drawinfo (
316 "That username is currently used in another login session. "
317 . "Chose another, or wait till the other session has ended.",
318 cf::NDI_RED
319 );
320 next;
321 }
322 local $cf::LOGIN_LOCK{$user} = 1;
323
324 check_playing $ns, $user and next;
325
326 # try to read the user file and check the password
327 if (my $pl = cf::player::find $user) {
328 aio_stat $pl->path and next;
329 my $mtime = (stat _)[9];
330 my $hash = $pl->password;
331
332 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
333 nuke_str $pass;
334 # password matches, wonderful
335 my $pl = cf::player::find $user or next;
336 $pl->connect ($ns);
337 check_clean_save $pl;
338 last;
339 } elsif (can_cleanup $pl, $mtime) {
340 Coro::Timer::sleep 1;
341
342 $ns->send_drawinfo (
343 "Player exists, but password does not match. If this is your account, "
344 . "please try again. If not, you can now decide to take over this account "
345 . "because it has not been in-use for some time.",
346 cf::NDI_RED
347 );
348
349 #TODO: nuke_str
350 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
351 or next;
352
353 # check if the file hasn't changed
354 aio_stat cf::player::path $user and next;
355 $mtime == (stat _)[9] or next;
356
357 $pl->quit_character;
358
359 # fall through to creation
360 } else {
361 nuke_str $pass;
362
363 Coro::Timer::sleep 1;
364
365 $ns->send_drawinfo (
366 "Wrong username or password. Please try again "
367 . "(check for Numlock and other semi-obvious error sources).",
368 cf::NDI_RED
369 );
370 next;
371 }
372 } else {
373 # unable to load the playerfile:
374 # check wether the player dir exists, which means the file is corrupted or
375 # something very similar.
376 if (!aio_stat cf::player::playerdir $user) {
377 $ns->send_drawinfo (
378 "Unable to retrieve this player. It might be a locked or broken account. "
379 . "If this is your account, ask a dungeon master for assistance. "
380 . "Otherwise choose a different login name.",
381 cf::NDI_RED
382 );
383 next;
384 }
385 }
386
387 # the rest of this function is character creation
388
389 # just to make sure nothing is left over
390 nuke_playerdir $user;
391
392 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
393
394 if ($pass2 ne $pass) {
395 nuke_str $pass;
396 nuke_str $pass2;
397 $ns->send_drawinfo (
398 "The passwords do not match, please try again.",
399 cf::NDI_RED
400 );
401 next;
402 }
403
404 nuke_str $pass2;
405
406 my $pl = cf::player::new $user;
407 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
408 nuke_str $pass;
409 $pl->connect ($ns);
410
411 my $ob = $pl->ob;
412
413 while () {
414 $ob->update_stats;
415 $pl->save_stats;
416
417 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
418 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
419
420 if ($res =~ /^[Nn]/) {
421 last;
422 } elsif ($res > 0 && $res <= 7) {
423 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
424
425 if ($swap > 0 && $swap <= 7) {
426 $ob->swap_stats ($res - 1, $swap - 1);
427 }
428 } else {
429 $ob->roll_stats;
430 }
431 }
432
433 $ob->set_animation (2);
434 $ob->add_statbonus;
435
436 while () {
437 $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
438 my $msg = $ob->msg;
439 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
440 $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
441
442 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
443 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
444
445 last if $res =~ /[dD]/;
446
447 $pl->chargen_race_next;
448 }
449
450 $pl->chargen_race_done;
451
452 delete $pl->{deny_save};
453
454 last;
455 }
456 });
457 }
458
459 cf::register_command quit => sub {
460 my ($ob, $arg) = @_;
461
462 $ob->reply (undef,
463 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
464 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
465 cf::NDI_UNIQUE | cf::NDI_RED);
466 };
467
468 cf::register_command quit_character => sub {
469 my ($ob, $arg) = @_;
470
471 my $pl = $ob->contr;
472
473 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
474 if ($_[0] !~ /^[yY]/) {
475 $ob->reply (undef,
476 "Ok, not not quitting then.",
477 cf::NDI_UNIQUE | cf::NDI_RED);
478 } else {
479 $ob->reply (undef,
480 "Ok, quitting, hope to see you again.",
481 cf::NDI_UNIQUE | cf::NDI_RED);
482 $pl->ns->flush;
483 cf::async { $pl->quit_character };
484 }
485 });
486 };
487
488 cf::object->attach (
489 type => cf::SAVEBED,
490 on_apply => sub {
491 my ($bed, $ob) = @_;
492
493 return cf::override 0 unless $ob->type == cf::PLAYER;
494
495 my $pl = $ob->contr;
496
497 # update respawn position
498 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
499 cf::async { $pl->save };
500
501 $pl->killer ("left");
502 $ob->check_score;
503
504 $ob->reply (undef, "In the future, you will wake up here when you die.");
505
506 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
507 if ($_[0] !~ /^[yY]/) {
508 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
509 $pl->deactivate;
510 $pl->ns->destroy;
511 } else {
512 cf::async { $pl->save };
513 }
514 });
515 },
516 );
517
518 cf::player->attach (
519 on_login => sub {
520 my ($pl) = @_;
521 my $name = $pl->ob->name;
522
523 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
524 },
525 on_logout => sub {
526 my ($pl, $cleanly) = @_;
527 my $name = $pl->ob->name;
528
529 if ($cleanly) {
530 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
531 } else {
532 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
533 $pl->{unclean_save} = $cf::RUNTIME;
534 }
535 },
536 );
537
538 cf::client->attach (
539 on_addme => \&addme,
540 on_setup => \&setup,
541 );
542
543 #############################################################################
544
545 our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
546 our $SAVE_TIMEOUT = 20; # save players every n seconds
547
548 our $SCHEDULER = cf::async_ext {
549 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
550 while () {
551 $schedule_interval->next;
552
553 # this weird form of iteration over values is used because
554 # the hash changes underneath us frequently, and for
555 # keeps a direct reference to the value without (in 5.8 perls)
556 # keeping a reference, so this is prone to crashes or worse.
557 my @players = keys %cf::PLAYER;
558 for (@players) {
559 my $pl = $cf::PLAYER{$_}
560 or next;
561 $pl->valid or next;
562
563 eval {
564 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
565 cf::wait_for_tick_begin;
566 $pl->save;
567
568 unless ($pl->active) {
569 # check refcounts, this is tricky and needs to be adjusted to fit server internals
570 my $ob = $pl->ob;
571 Scalar::Util::weaken $pl;
572 Scalar::Util::weaken $ob;
573 my $a_ = $pl->refcnt;#d#
574 my $b_ = $ob->refcnt;#d#
575 my $pl_ref = $pl->refcnt_cnt;
576 my $ob_ref = $ob->refcnt_cnt;
577
578 ## pl_ref == one from object + one from cf::PLAYER
579 ## ob_ref == one from simply being an object
580 if ($pl_ref == 2 && $ob_ref == 1) {
581 warn "player-scheduler destroy ", $ob->name;#d#
582
583 # remove from sight and get fresh "copies"
584 $pl = delete $cf::PLAYER{$ob->name};
585 $ob = $pl->ob;
586
587 $ob->destroy;
588 $pl->destroy;
589 } else {
590 warn "player-scheduler refcnt ", $ob->name, " pp$pl_ref,pc$a_ op$ob_ref,oc$b_\n";#d#
591 }
592 }
593 }
594 };
595 warn $@ if $@;
596 Coro::cede;
597 };
598 }
599 };
600
601 $SCHEDULER->prio (1);
602