| 1 | #! perl # MANDATORY |
1 | #! perl # mandatory |
| 2 | |
2 | |
| 3 | # login handling |
3 | # login handling |
| 4 | |
4 | |
| 5 | use Fcntl; |
5 | use Fcntl; |
| 6 | use Coro::AIO; |
6 | use Coro::AIO; |
| 7 | use List::Util qw(min max); |
|
|
| 8 | |
|
|
| 9 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
|
|
| 10 | |
7 | |
| 11 | # paranoia function to overwrite a string-in-place |
8 | # paranoia function to overwrite a string-in-place |
| 12 | sub nuke_str { |
9 | sub nuke_str { |
| 13 | substr $_[0], 0, (length $_[0]), "x" x length $_[0] |
10 | substr $_[0], 0, (length $_[0]), "x" x length $_[0] |
| 14 | } |
11 | } |
| … | |
… | |
| 41 | return unless cf::player::find_active $user; |
38 | return unless cf::player::find_active $user; |
| 42 | |
39 | |
| 43 | $ns->send_drawinfo ( |
40 | $ns->send_drawinfo ( |
| 44 | "That player is already logged in on this server. " |
41 | "That player is already logged in on this server. " |
| 45 | . "If you want to create a new player, choose another name. " |
42 | . "If you want to create a new player, choose another name. " |
| 46 | . "If you are already a registered player, make sure nobody " |
43 | . "If you have already a registered, make sure nobody " |
| 47 | . "else is using your account at this time. If you lost your conenction " |
44 | . "else is using your account at this time. If you lost your connection " |
| 48 | . "then the server will likely timeout within a minute. If you still " |
45 | . "then the server will likely timeout within a minute. If you still " |
| 49 | . "cannot log-in after a minute, you are still logged in. Make sure " |
46 | . "cannot log-in after a minute, you are still logged in. Make sure " |
| 50 | . "you do not have another client running. If you use windows, reboot, " |
47 | . "you do not have another client running. If you use windows, reboot, " |
| 51 | . "this will fix anything.", |
48 | . "this will fix anything.", |
| 52 | cf::NDI_RED |
49 | cf::NDI_RED |
| 53 | ); |
50 | ); |
| 54 | |
51 | |
| 55 | 1 |
52 | 1 |
| 56 | } |
53 | } |
| 57 | |
54 | |
| 58 | sub check_clean_save { |
55 | sub enter_map { |
| 59 | my ($pl) = @_; |
56 | my ($pl) = @_; |
| 60 | |
57 | |
|
|
58 | my $ob = $pl->ob; |
|
|
59 | |
|
|
60 | my ($map, $x, $y) |
|
|
61 | = $ob->{_link_pos} |
|
|
62 | ? @{delete $ob->{_link_pos}} |
|
|
63 | : ($pl->maplevel, $ob->x, $ob->y); |
|
|
64 | |
|
|
65 | $ob->enter_link; |
|
|
66 | |
| 61 | if (my $time = delete $pl->{unclean_save}) { |
67 | if (my $time = delete $pl->{unclean_save}) { |
|
|
68 | if (my $m = cf::map::find $map) { |
|
|
69 | if ($time < $m->{instantiate_time}) { |
|
|
70 | # the map was reset in the meantime |
|
|
71 | my $age = $cf::RUNTIME - $time; |
|
|
72 | warn $ob->name, " map reset after logout, logout age $age\n";#d# |
|
|
73 | |
|
|
74 | # for now, just go back to savebed |
|
|
75 | ($map, $x, $y) = $pl->savebed; |
|
|
76 | |
| 62 | $pl->ns->send_drawinfo ( |
77 | $pl->ns->send_drawinfo ( |
|
|
78 | "You didn't use a bed to reality to leave this realm, leaving your body in great danger. " |
|
|
79 | . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. " |
|
|
80 | . "Better use a savebed next time, much worse things could have happened...", |
|
|
81 | cf::NDI_RED |
|
|
82 | ); |
|
|
83 | } else { |
|
|
84 | $pl->ns->send_drawinfo ( |
| 63 | "You didn't use a savebed to leave this realm. This is very dangerous, " |
85 | "You didn't use a bed to reality to leave this realm. This is very dangerous, " |
| 64 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
86 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
| 65 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
87 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
| 66 | cf::NDI_RED |
88 | cf::NDI_RED |
|
|
89 | ); |
|
|
90 | } |
| 67 | ); |
91 | } |
| 68 | #d#TODO |
|
|
| 69 | } |
92 | } |
|
|
93 | |
|
|
94 | $ob->goto ($map, $x, $y); |
| 70 | } |
95 | } |
| 71 | |
96 | |
| 72 | # delete a player directory, be non-blocking AND synchronous... |
97 | # delete a player directory, be non-blocking AND synchronous... |
| 73 | # (thats hard, so we crap out and fork). |
98 | # (thats hard, so we crap out and fork). |
| 74 | sub nuke_playerdir { |
99 | sub nuke_playerdir { |
| … | |
… | |
| 78 | system "cd \Q$PLAYERDIR\E " |
103 | system "cd \Q$PLAYERDIR\E " |
| 79 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
104 | . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
| 80 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
105 | . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
| 81 | } |
106 | } |
| 82 | |
107 | |
| 83 | sub send_capabilities { |
108 | cf::client->attach (on_addme => sub { |
| 84 | my ($ns) = @_; |
109 | my ($ns) = @_; |
| 85 | |
110 | |
| 86 | return unless $ns->extcmd; |
|
|
| 87 | |
|
|
| 88 | $ns->ext_event (capabilities => |
|
|
| 89 | # id, name, flags (1 == 2d), edge length |
|
|
| 90 | tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]], |
|
|
| 91 | ); |
|
|
| 92 | } |
|
|
| 93 | |
|
|
| 94 | sub setup { |
|
|
| 95 | my ($ns, $args) = @_; |
|
|
| 96 | |
|
|
| 97 | # run through the cmds of setup |
|
|
| 98 | # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
|
|
| 99 | # |
|
|
| 100 | # we send the status of the cmd back, or a FALSE is the cmd is the server unknown |
|
|
| 101 | # The client then must sort this out |
|
|
| 102 | |
|
|
| 103 | my %setup = split / +/, $args; |
|
|
| 104 | while (my ($k, $v) = each %setup) { |
|
|
| 105 | if ($k eq "sound") { |
|
|
| 106 | $ns->sound ($v); |
|
|
| 107 | |
|
|
| 108 | } elsif ($k eq "exp64") { |
|
|
| 109 | $setup{$k} = 1; |
|
|
| 110 | |
|
|
| 111 | } elsif ($k eq "spellmon") { |
|
|
| 112 | $ns->monitor_spells ($v); |
|
|
| 113 | |
|
|
| 114 | } elsif ($k eq "darkness") { |
|
|
| 115 | $ns->darkness ($v); |
|
|
| 116 | |
|
|
| 117 | } elsif ($k eq "map1cmd") { |
|
|
| 118 | $ns->mapmode (cf::Map1Cmd) if $v > 0; |
|
|
| 119 | |
|
|
| 120 | } elsif ($k eq "map1acmd") { |
|
|
| 121 | $ns->mapmode (cf::Map1aCmd) if $v > 0; |
|
|
| 122 | |
|
|
| 123 | } elsif ($k eq "map2cmd") { |
|
|
| 124 | # gcfclient bug, map1acmd is sent too late |
|
|
| 125 | $ns->mapmode (cf::Map1aCmd); |
|
|
| 126 | $setup{$k} = "FALSE"; |
|
|
| 127 | |
|
|
| 128 | } elsif ($k eq "newmapcmd") { |
|
|
| 129 | $ns->newmapcmd ($v); |
|
|
| 130 | |
|
|
| 131 | } elsif ($k eq "mapinfocmd") { |
|
|
| 132 | $ns->mapinfocmd ($v); |
|
|
| 133 | |
|
|
| 134 | } elsif ($k eq "extcmd") { |
|
|
| 135 | $ns->extcmd ($v > 0); |
|
|
| 136 | send_capabilities $ns; |
|
|
| 137 | |
|
|
| 138 | } elsif ($k eq "extmap") { |
|
|
| 139 | $ns->extmap ($v); |
|
|
| 140 | |
|
|
| 141 | } elsif ($k eq "facecache") { |
|
|
| 142 | if (!$v) { |
|
|
| 143 | $v = 1; |
|
|
| 144 | $setup{$k} = $v; |
|
|
| 145 | $ns->send_drawinfo ("(trying to force facecaching to be enabled)", cf::NDI_RED); |
|
|
| 146 | } |
|
|
| 147 | |
|
|
| 148 | $ns->facecache ($v); |
|
|
| 149 | |
|
|
| 150 | } elsif ($k eq "faceset") { |
|
|
| 151 | $ns->faceset (0); |
|
|
| 152 | $setup{$k} = 0; |
|
|
| 153 | # $ns->image2 (1) |
|
|
| 154 | |
|
|
| 155 | } elsif ($k eq "tileset") { |
|
|
| 156 | $setup{$k} = $ns->faceset ($v & 1); |
|
|
| 157 | |
|
|
| 158 | } elsif ($k eq "itemcmd") { |
|
|
| 159 | # Version of the item protocol command to use. Currently, |
|
|
| 160 | # only supported versions are 1 and 2. Using a numeric |
|
|
| 161 | # value will make it very easy to extend this in the future. |
|
|
| 162 | $ns->itemcmd ($v) if $v >= 1 && $v <= 2; |
|
|
| 163 | |
|
|
| 164 | $setup{$k} = $ns->itemcmd; |
|
|
| 165 | |
|
|
| 166 | } elsif ($k eq "mapsize") { |
|
|
| 167 | my ($x, $y) = split /x/, $v; |
|
|
| 168 | |
|
|
| 169 | $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1); |
|
|
| 170 | $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1); |
|
|
| 171 | |
|
|
| 172 | $setup{$k} = "${x}x${y}"; |
|
|
| 173 | |
|
|
| 174 | } elsif ($k eq "extendedMapInfos") { |
|
|
| 175 | $ns->ext_mapinfos ($v); |
|
|
| 176 | |
|
|
| 177 | } elsif ($k eq "extendedTextInfos") { |
|
|
| 178 | $ns->has_readable_type ($v); |
|
|
| 179 | |
|
|
| 180 | } elsif ($k eq "smoothing") { # cfplus-style smoothing |
|
|
| 181 | $ns->smoothing ($v); |
|
|
| 182 | |
|
|
| 183 | } elsif ($k eq "fxix") { |
|
|
| 184 | $ns->fxix ($v); |
|
|
| 185 | |
|
|
| 186 | } else { |
|
|
| 187 | # other commands: |
|
|
| 188 | # sexp: no idea, probably for oudated servers |
|
|
| 189 | # tick: more stupidity, server should sned a tick per tick |
|
|
| 190 | |
|
|
| 191 | $setup{$k} = "FALSE"; |
|
|
| 192 | } |
|
|
| 193 | } |
|
|
| 194 | |
|
|
| 195 | $ns->send_packet (join " ", setup => %setup); |
|
|
| 196 | |
|
|
| 197 | cf::datalog setup => |
|
|
| 198 | request => $args, |
|
|
| 199 | reply => \%setup, |
|
|
| 200 | client => $ns->version, |
|
|
| 201 | ; |
|
|
| 202 | } |
|
|
| 203 | |
|
|
| 204 | sub addme { |
|
|
| 205 | my ($ns) = @_; |
|
|
| 206 | |
|
|
| 207 | if (!$ns->facecache) |
111 | if (!$ns->facecache) |
| 208 | { |
112 | { |
| 209 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
113 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
| 210 | |
114 | |
| 211 | |
115 | |
| 212 | *** |
116 | *** |
| 213 | *** WARNING: |
117 | *** WARNING: |
| 214 | *** Your client does not support face/image caching, |
118 | *** Your client does not support face/image caching, |
| … | |
… | |
| 282 | . "(only a-z, A-Z and 0-9 are allowed), " |
186 | . "(only a-z, A-Z and 0-9 are allowed), " |
| 283 | . "or is not between 3 and 18 characters in length.", |
187 | . "or is not between 3 and 18 characters in length.", |
| 284 | cf::NDI_RED |
188 | cf::NDI_RED |
| 285 | ); |
189 | ); |
| 286 | } |
190 | } |
|
|
191 | Coro::Timer::sleep 0.4; |
| 287 | } |
192 | } |
| 288 | |
193 | |
| 289 | check_playing $ns, $user and next; |
194 | check_playing $ns, $user and next; |
| 290 | |
195 | |
| 291 | $ns->send_drawinfo ( |
196 | $ns->send_drawinfo ( |
| … | |
… | |
| 302 | $ns->send_drawinfo ( |
207 | $ns->send_drawinfo ( |
| 303 | "Try to use at least three characters as your password please, " |
208 | "Try to use at least three characters as your password please, " |
| 304 | . "that cannot be too much to ask for :)", |
209 | . "that cannot be too much to ask for :)", |
| 305 | cf::NDI_RED |
210 | cf::NDI_RED |
| 306 | ); |
211 | ); |
|
|
212 | Coro::Timer::sleep 0.4; |
| 307 | } |
213 | } |
| 308 | |
214 | |
| 309 | # lock this username for the remainder of this login session |
215 | # lock this username for the remainder of this login session |
| 310 | if ($cf::LOGIN_LOCK{$user}) { |
216 | if ($cf::LOGIN_LOCK{$user}) { |
| 311 | $ns->send_drawinfo ( |
217 | $ns->send_drawinfo ( |
| … | |
… | |
| 328 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
234 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
| 329 | nuke_str $pass; |
235 | nuke_str $pass; |
| 330 | # password matches, wonderful |
236 | # password matches, wonderful |
| 331 | my $pl = cf::player::find $user or next; |
237 | my $pl = cf::player::find $user or next; |
| 332 | $pl->connect ($ns); |
238 | $pl->connect ($ns); |
| 333 | check_clean_save $pl; |
239 | enter_map $pl; |
| 334 | last; |
240 | last; |
| 335 | } elsif (can_cleanup $pl, $mtime) { |
241 | } elsif (can_cleanup $pl, $mtime) { |
| 336 | Coro::Timer::sleep 1; |
242 | Coro::Timer::sleep 1; |
| 337 | |
243 | |
| 338 | $ns->send_drawinfo ( |
244 | $ns->send_drawinfo ( |
| … | |
… | |
| 392 | nuke_str $pass2; |
298 | nuke_str $pass2; |
| 393 | $ns->send_drawinfo ( |
299 | $ns->send_drawinfo ( |
| 394 | "The passwords do not match, please try again.", |
300 | "The passwords do not match, please try again.", |
| 395 | cf::NDI_RED |
301 | cf::NDI_RED |
| 396 | ); |
302 | ); |
|
|
303 | Coro::Timer::sleep 0.5; |
| 397 | next; |
304 | next; |
| 398 | } |
305 | } |
| 399 | |
306 | |
| 400 | nuke_str $pass2; |
307 | nuke_str $pass2; |
| 401 | |
308 | |
| 402 | my $pl = cf::player::new $user; |
309 | my $pl = cf::player::new $user; |
| 403 | $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]); |
310 | $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]); |
| 404 | nuke_str $pass; |
311 | nuke_str $pass; |
| 405 | $pl->connect ($ns); |
312 | $pl->connect ($ns); |
| 406 | |
|
|
| 407 | my $ob = $pl->ob; |
313 | my $ob = $pl->ob; |
|
|
314 | |
|
|
315 | $ob->goto ($pl->maplevel, $ob->x, $ob->y); |
| 408 | |
316 | |
| 409 | while () { |
317 | while () { |
| 410 | $ob->update_stats; |
318 | $ob->update_stats; |
| 411 | $pl->save_stats; |
319 | $pl->save_stats; |
| 412 | |
320 | |
| … | |
… | |
| 422 | $ob->swap_stats ($res - 1, $swap - 1); |
330 | $ob->swap_stats ($res - 1, $swap - 1); |
| 423 | } |
331 | } |
| 424 | } else { |
332 | } else { |
| 425 | $ob->roll_stats; |
333 | $ob->roll_stats; |
| 426 | } |
334 | } |
|
|
335 | |
|
|
336 | Coro::Timer::sleep 0.2; |
| 427 | } |
337 | } |
| 428 | |
338 | |
| 429 | $ob->set_animation (2); |
339 | $ob->set_animation (2); |
| 430 | $ob->add_statbonus; |
340 | $ob->add_statbonus; |
| 431 | |
341 | |
| 432 | $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); |
342 | while () { |
| 433 | $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, |
343 | $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title); |
|
|
344 | my $msg = $ob->msg; |
|
|
345 | $msg =~ s/(?<=\S)\n(?=\S)/ /g; |
|
|
346 | $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg); |
|
|
347 | |
|
|
348 | my $res = query $ns, cf::CS_QUERY_SINGLECHAR, |
| 434 | "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"); |
349 | "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"; |
| 435 | |
350 | |
| 436 | $ns->state (cf::ST_CHANGE_CLASS); |
351 | last if $res =~ /[dD]/; |
|
|
352 | |
|
|
353 | $pl->chargen_race_next; |
|
|
354 | Coro::Timer::sleep 0.2; |
|
|
355 | } |
|
|
356 | |
|
|
357 | $pl->chargen_race_done; |
|
|
358 | |
|
|
359 | while () { |
|
|
360 | my $res = query $ns, cf::CS_QUERY_SINGLECHAR, |
|
|
361 | "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n"; |
|
|
362 | |
|
|
363 | if ($res =~ /^[fF]/) { |
|
|
364 | $pl->gender (1); |
|
|
365 | last; |
|
|
366 | } elsif ($res =~ /^[mM]/) { |
|
|
367 | $pl->gender (0); |
|
|
368 | last; |
|
|
369 | } |
|
|
370 | Coro::Timer::sleep 0.2; |
|
|
371 | } |
|
|
372 | |
|
|
373 | $ob->reply (undef, "Welcome to Crossfire!"); |
|
|
374 | |
| 437 | delete $pl->{deny_save};#d# too early |
375 | delete $pl->{deny_save}; |
| 438 | |
376 | |
| 439 | last; |
377 | last; |
| 440 | } |
378 | } |
| 441 | }); |
379 | }); |
| 442 | } |
380 | }); |
| 443 | |
381 | |
| 444 | cf::register_command quit => sub { |
382 | cf::register_command quit => sub { |
| 445 | my ($ob, $arg) = @_; |
383 | my ($ob, $arg) = @_; |
| 446 | |
384 | |
| 447 | $ob->reply (undef, |
385 | $ob->reply (undef, |
| … | |
… | |
| 518 | $pl->{unclean_save} = $cf::RUNTIME; |
456 | $pl->{unclean_save} = $cf::RUNTIME; |
| 519 | } |
457 | } |
| 520 | }, |
458 | }, |
| 521 | ); |
459 | ); |
| 522 | |
460 | |
| 523 | cf::client->attach ( |
|
|
| 524 | on_addme => \&addme, |
|
|
| 525 | on_setup => \&setup, |
|
|
| 526 | ); |
|
|
| 527 | |
|
|
| 528 | ############################################################################# |
461 | ############################################################################# |
| 529 | |
462 | |
| 530 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
463 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
| 531 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
464 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
| 532 | |
465 | |
| … | |
… | |
| 548 | eval { |
481 | eval { |
| 549 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
482 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
| 550 | cf::wait_for_tick_begin; |
483 | cf::wait_for_tick_begin; |
| 551 | $pl->save; |
484 | $pl->save; |
| 552 | |
485 | |
| 553 | unless ($pl->active) { |
486 | unless ($pl->active || $pl->ns) { |
| 554 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
487 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
| 555 | my $ob = $pl->ob; |
488 | my $ob = $pl->ob; |
| 556 | Scalar::Util::weaken $pl; |
489 | |
| 557 | Scalar::Util::weaken $ob; |
|
|
| 558 | my $a_ = $pl->refcnt;#d# |
|
|
| 559 | my $b_ = $ob->refcnt;#d# |
|
|
| 560 | my $pl_ref = $pl->refcnt_cnt; |
490 | my $pl_ref = $pl->refcnt_cnt; |
| 561 | my $ob_ref = $ob->refcnt_cnt; |
491 | my $ob_ref = $ob->refcnt_cnt; |
| 562 | |
492 | |
| 563 | ## pl_ref == one from object + one from cf::PLAYER |
493 | ## pl_ref == $pl + ob->contr + %cf::PLAYER |
| 564 | ## ob_ref == one from simply being an object |
494 | ## ob_ref == $ob + pl->observe + simply being an object |
| 565 | if ($pl_ref == 2 && $ob_ref == 1) { |
495 | if ($pl_ref == 3 && $ob_ref == 3) { |
| 566 | warn "player-scheduler destroy ", $ob->name;#d# |
496 | warn "player-scheduler destroy ", $ob->name;#d# |
| 567 | |
497 | |
| 568 | # remove from sight and get fresh "copies" |
498 | # remove from sight and get fresh "copies" |
| 569 | $pl = delete $cf::PLAYER{$ob->name}; |
499 | $pl = delete $cf::PLAYER{$ob->name}; |
| 570 | $ob = $pl->ob; |
500 | $ob = $pl->ob; |
| 571 | |
501 | |
| 572 | $ob->destroy; |
|
|
| 573 | $pl->destroy; |
502 | $pl->destroy; # destroys $ob |
| 574 | } else { |
503 | } else { |
|
|
504 | my $a_ = $pl->refcnt;#d# |
|
|
505 | my $b_ = $ob->refcnt;#d# |
|
|
506 | |
| 575 | warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d# |
507 | warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d# |
| 576 | } |
508 | } |
| 577 | } |
509 | } |
| 578 | } |
510 | } |
| 579 | }; |
511 | }; |
| 580 | warn $@ if $@; |
512 | warn $@ if $@; |
