… | |
… | |
20 | use Coro::Signal; |
20 | use Coro::Signal; |
21 | use Coro::Semaphore; |
21 | use Coro::Semaphore; |
22 | use Coro::AIO; |
22 | use Coro::AIO; |
23 | use Coro::Storable; |
23 | use Coro::Storable; |
24 | |
24 | |
|
|
25 | use JSON::XS 1.4 (); |
25 | use BDB (); |
26 | use BDB (); |
26 | use Data::Dumper; |
27 | use Data::Dumper; |
27 | use Digest::MD5; |
28 | use Digest::MD5; |
28 | use Fcntl; |
29 | use Fcntl; |
29 | use YAML::Syck (); |
30 | use YAML::Syck (); |
… | |
… | |
49 | our %COMMAND = (); |
50 | our %COMMAND = (); |
50 | our %COMMAND_TIME = (); |
51 | our %COMMAND_TIME = (); |
51 | |
52 | |
52 | our @EXTS = (); # list of extension package names |
53 | our @EXTS = (); # list of extension package names |
53 | our %EXTCMD = (); |
54 | our %EXTCMD = (); |
|
|
55 | our %EXTICMD = (); |
54 | our %EXT_CORO = (); # coroutines bound to extensions |
56 | our %EXT_CORO = (); # coroutines bound to extensions |
55 | our %EXT_MAP = (); # pluggable maps |
57 | our %EXT_MAP = (); # pluggable maps |
56 | |
58 | |
57 | our $RELOAD; # number of reloads so far |
59 | our $RELOAD; # number of reloads so far |
58 | our @EVENT; |
60 | our @EVENT; |
… | |
… | |
206 | } |
208 | } |
207 | |
209 | |
208 | $Event::DIED = sub { |
210 | $Event::DIED = sub { |
209 | warn "error in event callback: @_"; |
211 | warn "error in event callback: @_"; |
210 | }; |
212 | }; |
|
|
213 | |
|
|
214 | ############################################################################# |
211 | |
215 | |
212 | =head2 UTILITY FUNCTIONS |
216 | =head2 UTILITY FUNCTIONS |
213 | |
217 | |
214 | =over 4 |
218 | =over 4 |
215 | |
219 | |
… | |
… | |
234 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
238 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
235 | $d |
239 | $d |
236 | } || "[unable to dump $_[0]: '$@']"; |
240 | } || "[unable to dump $_[0]: '$@']"; |
237 | } |
241 | } |
238 | |
242 | |
239 | use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working |
|
|
240 | |
|
|
241 | =item $ref = cf::from_json $json |
243 | =item $ref = cf::from_json $json |
242 | |
244 | |
243 | Converts a JSON string into the corresponding perl data structure. |
245 | Converts a JSON string into the corresponding perl data structure. |
244 | |
246 | |
245 | =item $json = cf::to_json $ref |
247 | =item $json = cf::to_json $ref |
246 | |
248 | |
247 | Converts a perl data structure into its JSON representation. |
249 | Converts a perl data structure into its JSON representation. |
|
|
250 | |
|
|
251 | =cut |
|
|
252 | |
|
|
253 | our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max |
|
|
254 | |
|
|
255 | sub to_json ($) { $json_coder->encode ($_[0]) } |
|
|
256 | sub from_json ($) { $json_coder->decode ($_[0]) } |
248 | |
257 | |
249 | =item cf::lock_wait $string |
258 | =item cf::lock_wait $string |
250 | |
259 | |
251 | Wait until the given lock is available. See cf::lock_acquire. |
260 | Wait until the given lock is available. See cf::lock_acquire. |
252 | |
261 | |
… | |
… | |
318 | |
327 | |
319 | BEGIN { *async = \&Coro::async_pool } |
328 | BEGIN { *async = \&Coro::async_pool } |
320 | |
329 | |
321 | =item cf::sync_job { BLOCK } |
330 | =item cf::sync_job { BLOCK } |
322 | |
331 | |
323 | The design of crossfire+ requires that the main coro ($Coro::main) is |
332 | The design of Crossfire TRT requires that the main coroutine ($Coro::main) |
324 | always able to handle events or runnable, as crossfire+ is only partly |
333 | is always able to handle events or runnable, as Crossfire TRT is only |
325 | reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
334 | partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not |
|
|
335 | acceptable. |
326 | |
336 | |
327 | If it must be done, put the blocking parts into C<sync_job>. This will run |
337 | If it must be done, put the blocking parts into C<sync_job>. This will run |
328 | the given BLOCK in another coroutine while waiting for the result. The |
338 | the given BLOCK in another coroutine while waiting for the result. The |
329 | server will be frozen during this time, so the block should either finish |
339 | server will be frozen during this time, so the block should either finish |
330 | fast or be very important. |
340 | fast or be very important. |
… | |
… | |
390 | $EXT_CORO{$coro+0} = $coro; |
400 | $EXT_CORO{$coro+0} = $coro; |
391 | |
401 | |
392 | $coro |
402 | $coro |
393 | } |
403 | } |
394 | |
404 | |
395 | sub write_runtime { |
405 | =item fork_call { }, $args |
396 | my $runtime = "$LOCALDIR/runtime"; |
|
|
397 | |
406 | |
398 | # first touch the runtime file to show we are still running: |
407 | Executes the given code block with the given arguments in a seperate |
399 | # the fsync below can take a very very long time. |
408 | process, returning the results. Everything must be serialisable with |
|
|
409 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
410 | never block itself or use any form of Event handling. |
400 | |
411 | |
401 | IO::AIO::aio_utime $runtime, undef, undef; |
412 | =cut |
402 | |
413 | |
403 | my $guard = cf::lock_acquire "write_runtime"; |
414 | sub fork_call(&@) { |
|
|
415 | my ($cb, @args) = @_; |
404 | |
416 | |
405 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
417 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
406 | or return; |
418 | # or die "socketpair: $!"; |
|
|
419 | pipe my $fh1, my $fh2 |
|
|
420 | or die "pipe: $!"; |
407 | |
421 | |
408 | my $value = $cf::RUNTIME + 90 + 10; |
422 | if (my $pid = fork) { |
409 | # 10 is the runtime save interval, for a monotonic clock |
|
|
410 | # 60 allows for the watchdog to kill the server. |
|
|
411 | |
|
|
412 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
|
|
413 | and return; |
|
|
414 | |
|
|
415 | # always fsync - this file is important |
|
|
416 | aio_fsync $fh |
|
|
417 | and return; |
|
|
418 | |
|
|
419 | # touch it again to show we are up-to-date |
|
|
420 | aio_utime $fh, undef, undef; |
|
|
421 | |
|
|
422 | close $fh |
423 | close $fh2; |
423 | or return; |
|
|
424 | |
424 | |
425 | aio_rename "$runtime~", $runtime |
425 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
426 | and return; |
426 | $res = Coro::Storable::thaw $res; |
427 | |
427 | |
428 | warn "runtime file written.\n"; |
428 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
429 | |
429 | |
|
|
430 | die $$res unless "ARRAY" eq ref $res; |
|
|
431 | |
|
|
432 | return wantarray ? @$res : $res->[-1]; |
|
|
433 | } else { |
|
|
434 | reset_signals; |
|
|
435 | local $SIG{__WARN__}; |
|
|
436 | local $SIG{__DIE__}; |
|
|
437 | eval { |
|
|
438 | close $fh1; |
|
|
439 | |
|
|
440 | my @res = eval { $cb->(@args) }; |
|
|
441 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
442 | }; |
|
|
443 | |
|
|
444 | warn $@ if $@; |
|
|
445 | _exit 0; |
430 | 1 |
446 | } |
|
|
447 | } |
|
|
448 | |
|
|
449 | =item $value = cf::db_get $family => $key |
|
|
450 | |
|
|
451 | Returns a single value from the environment database. |
|
|
452 | |
|
|
453 | =item cf::db_put $family => $key => $value |
|
|
454 | |
|
|
455 | Stores the given C<$value> in the family. It can currently store binary |
|
|
456 | data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). |
|
|
457 | |
|
|
458 | =cut |
|
|
459 | |
|
|
460 | our $DB; |
|
|
461 | |
|
|
462 | sub db_init { |
|
|
463 | unless ($DB) { |
|
|
464 | $DB = BDB::db_create $DB_ENV; |
|
|
465 | |
|
|
466 | cf::sync_job { |
|
|
467 | eval { |
|
|
468 | $DB->set_flags (BDB::CHKSUM); |
|
|
469 | |
|
|
470 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
471 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
472 | cf::cleanup "db_open(db): $!" if $!; |
|
|
473 | }; |
|
|
474 | cf::cleanup "db_open(db): $@" if $@; |
|
|
475 | }; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | |
|
|
479 | sub db_get($$) { |
|
|
480 | my $key = "$_[0]/$_[1]"; |
|
|
481 | |
|
|
482 | cf::sync_job { |
|
|
483 | BDB::db_get $DB, undef, $key, my $data; |
|
|
484 | |
|
|
485 | $! ? () |
|
|
486 | : $data |
|
|
487 | } |
|
|
488 | } |
|
|
489 | |
|
|
490 | sub db_put($$$) { |
|
|
491 | BDB::dbreq_pri 4; |
|
|
492 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
|
|
493 | } |
|
|
494 | |
|
|
495 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
496 | |
|
|
497 | Generic caching function that returns the value of the resource $id, |
|
|
498 | caching and regenerating as required. |
|
|
499 | |
|
|
500 | This function can block. |
|
|
501 | |
|
|
502 | =cut |
|
|
503 | |
|
|
504 | sub cache { |
|
|
505 | my ($id, $src, $processversion, $process) = @_; |
|
|
506 | |
|
|
507 | my $meta = |
|
|
508 | join "\x00", |
|
|
509 | $processversion, |
|
|
510 | map { |
|
|
511 | aio_stat $_ |
|
|
512 | and Carp::croak "$_: $!"; |
|
|
513 | |
|
|
514 | ($_, (stat _)[7,9]) |
|
|
515 | } @$src; |
|
|
516 | |
|
|
517 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
518 | if ($dbmeta ne $meta) { |
|
|
519 | # changed, we may need to process |
|
|
520 | |
|
|
521 | my @data; |
|
|
522 | my $md5; |
|
|
523 | |
|
|
524 | for (0 .. $#$src) { |
|
|
525 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
526 | or Carp::croak "$src->[$_]: $!"; |
|
|
527 | } |
|
|
528 | |
|
|
529 | # if processing is expensive, check |
|
|
530 | # checksum first |
|
|
531 | if (1) { |
|
|
532 | $md5 = |
|
|
533 | join "\x00", |
|
|
534 | $processversion, |
|
|
535 | map { |
|
|
536 | Coro::cede; |
|
|
537 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
538 | } 0.. $#$src; |
|
|
539 | |
|
|
540 | |
|
|
541 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
542 | if ($dbmd5 eq $md5) { |
|
|
543 | db_put cache => "$id/meta", $meta; |
|
|
544 | |
|
|
545 | return db_get cache => "$id/data"; |
|
|
546 | } |
|
|
547 | } |
|
|
548 | |
|
|
549 | my $t1 = Time::HiRes::time; |
|
|
550 | my $data = $process->(\@data); |
|
|
551 | my $t2 = Time::HiRes::time; |
|
|
552 | |
|
|
553 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
554 | |
|
|
555 | db_put cache => "$id/data", $data; |
|
|
556 | db_put cache => "$id/md5" , $md5; |
|
|
557 | db_put cache => "$id/meta", $meta; |
|
|
558 | |
|
|
559 | return $data; |
|
|
560 | } |
|
|
561 | |
|
|
562 | db_get cache => "$id/data" |
431 | } |
563 | } |
432 | |
564 | |
433 | =item cf::datalog type => key => value, ... |
565 | =item cf::datalog type => key => value, ... |
434 | |
566 | |
435 | Log a datalog packet of the given type with the given key-value pairs. |
567 | Log a datalog packet of the given type with the given key-value pairs. |
… | |
… | |
453 | attach callbacks/event handlers (a collection of which is called an "attachment") |
585 | attach callbacks/event handlers (a collection of which is called an "attachment") |
454 | to it. All such attachable objects support the following methods. |
586 | to it. All such attachable objects support the following methods. |
455 | |
587 | |
456 | In the following description, CLASS can be any of C<global>, C<object> |
588 | In the following description, CLASS can be any of C<global>, C<object> |
457 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
589 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
458 | crossfire+). |
590 | Crossfire TRT). |
459 | |
591 | |
460 | =over 4 |
592 | =over 4 |
461 | |
593 | |
462 | =item $attachable->attach ($attachment, key => $value...) |
594 | =item $attachable->attach ($attachment, key => $value...) |
463 | |
595 | |
… | |
… | |
877 | warn sprintf "loading %s (%d)\n", |
1009 | warn sprintf "loading %s (%d)\n", |
878 | $filename, length $data, scalar @{$av || []}; |
1010 | $filename, length $data, scalar @{$av || []}; |
879 | return ($data, $av); |
1011 | return ($data, $av); |
880 | } |
1012 | } |
881 | |
1013 | |
|
|
1014 | =head2 COMMAND CALLBACKS |
|
|
1015 | |
|
|
1016 | =over 4 |
|
|
1017 | |
|
|
1018 | =cut |
|
|
1019 | |
882 | ############################################################################# |
1020 | ############################################################################# |
883 | # command handling &c |
1021 | # command handling &c |
884 | |
1022 | |
885 | =item cf::register_command $name => \&callback($ob,$args); |
1023 | =item cf::register_command $name => \&callback($ob,$args); |
886 | |
1024 | |
… | |
… | |
898 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
1036 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
899 | } |
1037 | } |
900 | |
1038 | |
901 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
1039 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
902 | |
1040 | |
903 | Register a callbackf ro execution when the client sends an extcmd packet. |
1041 | Register a callback for execution when the client sends an (synchronous) |
|
|
1042 | extcmd packet. Ext commands will be processed in the order they are |
|
|
1043 | received by the server, like other user commands. The first argument is |
|
|
1044 | the logged-in player. Ext commands can only be processed after a player |
|
|
1045 | has logged in successfully. |
904 | |
1046 | |
905 | If the callback returns something, it is sent back as if reply was being |
1047 | If the callback returns something, it is sent back as if reply was being |
906 | called. |
1048 | called. |
907 | |
1049 | |
|
|
1050 | =item cf::register_exticmd $name => \&callback($ns,$packet); |
|
|
1051 | |
|
|
1052 | Register a callback for execution when the client sends an (asynchronous) |
|
|
1053 | exticmd packet. Exti commands are processed by the server as soon as they |
|
|
1054 | are received, i.e. out of order w.r.t. other commands. The first argument |
|
|
1055 | is a client socket. Exti commands can be received anytime, even before |
|
|
1056 | log-in. |
|
|
1057 | |
|
|
1058 | If the callback returns something, it is sent back as if reply was being |
|
|
1059 | called. |
|
|
1060 | |
908 | =cut |
1061 | =cut |
909 | |
1062 | |
910 | sub register_extcmd { |
1063 | sub register_extcmd { |
911 | my ($name, $cb) = @_; |
1064 | my ($name, $cb) = @_; |
912 | |
1065 | |
913 | $EXTCMD{$name} = $cb; |
1066 | $EXTCMD{$name} = $cb; |
|
|
1067 | } |
|
|
1068 | |
|
|
1069 | sub register_exticmd { |
|
|
1070 | my ($name, $cb) = @_; |
|
|
1071 | |
|
|
1072 | $EXTICMD{$name} = $cb; |
914 | } |
1073 | } |
915 | |
1074 | |
916 | cf::player->attach ( |
1075 | cf::player->attach ( |
917 | on_command => sub { |
1076 | on_command => sub { |
918 | my ($pl, $name, $params) = @_; |
1077 | my ($pl, $name, $params) = @_; |
… | |
… | |
927 | cf::override; |
1086 | cf::override; |
928 | }, |
1087 | }, |
929 | on_extcmd => sub { |
1088 | on_extcmd => sub { |
930 | my ($pl, $buf) = @_; |
1089 | my ($pl, $buf) = @_; |
931 | |
1090 | |
932 | my $msg = eval { from_json $buf }; |
1091 | my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; |
933 | |
1092 | |
934 | if (ref $msg) { |
1093 | if (ref $msg) { |
935 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
1094 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
936 | if (my %reply = $cb->($pl, $msg)) { |
1095 | if (my %reply = $cb->($pl, $msg)) { |
937 | $pl->ext_reply ($msg->{msgid}, %reply); |
1096 | $pl->ext_reply ($msg->{msgid}, %reply); |
… | |
… | |
1018 | }; |
1177 | }; |
1019 | } |
1178 | } |
1020 | |
1179 | |
1021 | ############################################################################# |
1180 | ############################################################################# |
1022 | |
1181 | |
|
|
1182 | =back |
|
|
1183 | |
1023 | =head2 CORE EXTENSIONS |
1184 | =head2 CORE EXTENSIONS |
1024 | |
1185 | |
1025 | Functions and methods that extend core crossfire objects. |
1186 | Functions and methods that extend core crossfire objects. |
1026 | |
1187 | |
1027 | =cut |
1188 | =cut |
… | |
… | |
1214 | } |
1375 | } |
1215 | |
1376 | |
1216 | \@paths |
1377 | \@paths |
1217 | } |
1378 | } |
1218 | |
1379 | |
|
|
1380 | =item $protocol_xml = $player->expand_cfpod ($crossfire_pod) |
|
|
1381 | |
|
|
1382 | Expand crossfire pod fragments into protocol xml. |
|
|
1383 | |
|
|
1384 | =cut |
|
|
1385 | |
|
|
1386 | sub expand_cfpod { |
|
|
1387 | ((my $self), (local $_)) = @_; |
|
|
1388 | |
|
|
1389 | # escape & and < |
|
|
1390 | s/&/&/g; |
|
|
1391 | s/(?<![BIUGH])</</g; |
|
|
1392 | |
|
|
1393 | # this is buggy, it needs to properly take care of nested <'s |
|
|
1394 | |
|
|
1395 | 1 while |
|
|
1396 | # replace B<>, I<>, U<> etc. |
|
|
1397 | s/B<([^\>]*)>/<b>$1<\/b>/ |
|
|
1398 | || s/I<([^\>]*)>/<i>$1<\/i>/ |
|
|
1399 | || s/U<([^\>]*)>/<u>$1<\/u>/ |
|
|
1400 | # replace G<male|female> tags |
|
|
1401 | || s{G<([^>|]*)\|([^>]*)>}{ |
|
|
1402 | $self->gender ? $2 : $1 |
|
|
1403 | }ge |
|
|
1404 | # replace H<hint text> |
|
|
1405 | || s{H<([^\>]*)>} |
|
|
1406 | { |
|
|
1407 | ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", |
|
|
1408 | "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", |
|
|
1409 | "") |
|
|
1410 | [$self->{hintmode}] |
|
|
1411 | }ge; |
|
|
1412 | |
|
|
1413 | # create single paragraphs (very hackish) |
|
|
1414 | s/(?<=\S)\n(?=\w)/ /g; |
|
|
1415 | |
|
|
1416 | # compress some whitespace |
|
|
1417 | 1 while s/\s*\n\s*\n\s*/\n/; |
|
|
1418 | |
|
|
1419 | $_ |
|
|
1420 | } |
|
|
1421 | |
|
|
1422 | sub hintmode { |
|
|
1423 | $_[0]{hintmode} = $_[1] if @_ > 1; |
|
|
1424 | $_[0]{hintmode} |
|
|
1425 | } |
|
|
1426 | |
1219 | =item $player->ext_reply ($msgid, %msg) |
1427 | =item $player->ext_reply ($msgid, %msg) |
1220 | |
1428 | |
1221 | Sends an ext reply to the player. |
1429 | Sends an ext reply to the player. |
1222 | |
1430 | |
1223 | =cut |
1431 | =cut |
1224 | |
1432 | |
1225 | sub ext_reply($$%) { |
1433 | sub ext_reply($$%) { |
1226 | my ($self, $id, %msg) = @_; |
1434 | my ($self, $id, %msg) = @_; |
1227 | |
1435 | |
1228 | $msg{msgid} = $id; |
1436 | $msg{msgid} = $id; |
1229 | |
1437 | $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg)); |
1230 | $self->send ("ext " . cf::to_json \%msg); |
|
|
1231 | } |
1438 | } |
1232 | |
1439 | |
1233 | =item $player->ext_event ($type, %msg) |
1440 | =item $player->ext_event ($type, %msg) |
1234 | |
1441 | |
1235 | Sends an ext event to the client. |
1442 | Sends an ext event to the client. |
… | |
… | |
1250 | |
1457 | |
1251 | package cf::region; |
1458 | package cf::region; |
1252 | |
1459 | |
1253 | =item cf::region::find_by_path $path |
1460 | =item cf::region::find_by_path $path |
1254 | |
1461 | |
1255 | Tries to decuce the probable region for a map knowing only its path. |
1462 | Tries to decuce the likely region for a map knowing only its path. |
1256 | |
1463 | |
1257 | =cut |
1464 | =cut |
1258 | |
1465 | |
1259 | sub find_by_path($) { |
1466 | sub find_by_path($) { |
1260 | my ($path) = @_; |
1467 | my ($path) = @_; |
… | |
… | |
1912 | |
2119 | |
1913 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
2120 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
1914 | |
2121 | |
1915 | if ($self->{record_replies}) { |
2122 | if ($self->{record_replies}) { |
1916 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
2123 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
2124 | |
1917 | } else { |
2125 | } else { |
|
|
2126 | my $pl = $self->contr; |
|
|
2127 | |
|
|
2128 | if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { |
|
|
2129 | my $diag = $pl->{npc_dialog}; |
|
|
2130 | $diag->{pl}->ext_reply ( |
|
|
2131 | $diag->{id}, |
|
|
2132 | msgtype => "reply", |
|
|
2133 | msg => $diag->{pl}->expand_cfpod ($msg), |
|
|
2134 | add_topics => [] |
|
|
2135 | ); |
|
|
2136 | |
|
|
2137 | } else { |
1918 | $msg = $npc->name . " says: $msg" if $npc; |
2138 | $msg = $npc->name . " says: $msg" if $npc; |
1919 | $self->message ($msg, $flags); |
2139 | $self->message ($msg, $flags); |
|
|
2140 | } |
1920 | } |
2141 | } |
1921 | } |
2142 | } |
1922 | |
2143 | |
1923 | =item $player_object->may ("access") |
2144 | =item $player_object->may ("access") |
1924 | |
2145 | |
… | |
… | |
2169 | |
2390 | |
2170 | utf8::encode $text; |
2391 | utf8::encode $text; |
2171 | $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); |
2392 | $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); |
2172 | } |
2393 | } |
2173 | |
2394 | |
|
|
2395 | =item $client->send_msg ($color, $type, $msg, [extra...]) |
|
|
2396 | |
|
|
2397 | Send a drawinfo or msg packet to the client, formatting the msg for the |
|
|
2398 | client if neccessary. C<$type> should be a string identifying the type of |
|
|
2399 | the message, with C<log> being the default. If C<$color> is negative, suppress |
|
|
2400 | the message unless the client supports the msg packet. |
|
|
2401 | |
|
|
2402 | =cut |
|
|
2403 | |
|
|
2404 | sub cf::client::send_msg { |
|
|
2405 | my ($self, $color, $type, $msg, @extra) = @_; |
|
|
2406 | |
|
|
2407 | $msg = $self->pl->expand_cfpod ($msg); |
|
|
2408 | |
|
|
2409 | if ($self->can_msg) { |
|
|
2410 | $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); |
|
|
2411 | } else { |
|
|
2412 | # replace some tags by gcfclient-compatible ones |
|
|
2413 | for ($msg) { |
|
|
2414 | 1 while |
|
|
2415 | s/<b>([^<]*)<\/b>/[b]${1}[\/b]/ |
|
|
2416 | || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/ |
|
|
2417 | || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/ |
|
|
2418 | || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/ |
|
|
2419 | || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/; |
|
|
2420 | } |
|
|
2421 | |
|
|
2422 | if ($color >= 0) { |
|
|
2423 | if (0 && $msg =~ /\[/) { |
|
|
2424 | $self->send_packet ("drawextinfo $color 4 0 $msg") |
|
|
2425 | } else { |
|
|
2426 | $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; |
|
|
2427 | $self->send_packet ("drawinfo $color $msg") |
|
|
2428 | } |
|
|
2429 | } |
|
|
2430 | } |
|
|
2431 | } |
|
|
2432 | |
2174 | =item $client->ext_event ($type, %msg) |
2433 | =item $client->ext_event ($type, %msg) |
2175 | |
2434 | |
2176 | Sends an exti event to the client. |
2435 | Sends an ext event to the client. |
2177 | |
2436 | |
2178 | =cut |
2437 | =cut |
2179 | |
2438 | |
2180 | sub cf::client::ext_event($$%) { |
2439 | sub cf::client::ext_event($$%) { |
2181 | my ($self, $type, %msg) = @_; |
2440 | my ($self, $type, %msg) = @_; |
2182 | |
2441 | |
2183 | $msg{msgtype} = "event_$type"; |
2442 | $msg{msgtype} = "event_$type"; |
2184 | $self->send_packet ("ext " . cf::to_json \%msg); |
2443 | $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); |
2185 | } |
2444 | } |
2186 | |
2445 | |
2187 | =item $success = $client->query ($flags, "text", \&cb) |
2446 | =item $success = $client->query ($flags, "text", \&cb) |
2188 | |
2447 | |
2189 | Queues a query to the client, calling the given callback with |
2448 | Queues a query to the client, calling the given callback with |
2190 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
2449 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
2191 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
2450 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
2192 | |
2451 | |
2193 | Queries can fail, so check the return code. Or don't, as queries will become |
2452 | Queries can fail, so check the return code. Or don't, as queries will |
2194 | reliable at some point in the future. |
2453 | become reliable at some point in the future. |
2195 | |
2454 | |
2196 | =cut |
2455 | =cut |
2197 | |
2456 | |
2198 | sub cf::client::query { |
2457 | sub cf::client::query { |
2199 | my ($self, $flags, $text, $cb) = @_; |
2458 | my ($self, $flags, $text, $cb) = @_; |
… | |
… | |
2207 | utf8::encode $text; |
2466 | utf8::encode $text; |
2208 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
2467 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
2209 | |
2468 | |
2210 | $self->send_packet ($self->{query_queue}[0][0]) |
2469 | $self->send_packet ($self->{query_queue}[0][0]) |
2211 | if @{ $self->{query_queue} } == 1; |
2470 | if @{ $self->{query_queue} } == 1; |
|
|
2471 | |
|
|
2472 | 1 |
2212 | } |
2473 | } |
2213 | |
2474 | |
2214 | cf::client->attach ( |
2475 | cf::client->attach ( |
|
|
2476 | on_connect => sub { |
|
|
2477 | my ($ns) = @_; |
|
|
2478 | |
|
|
2479 | $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed; |
|
|
2480 | }, |
2215 | on_reply => sub { |
2481 | on_reply => sub { |
2216 | my ($ns, $msg) = @_; |
2482 | my ($ns, $msg) = @_; |
2217 | |
2483 | |
2218 | # this weird shuffling is so that direct followup queries |
2484 | # this weird shuffling is so that direct followup queries |
2219 | # get handled first |
2485 | # get handled first |
… | |
… | |
2230 | $ns->send_packet ($ns->{query_queue}[0][0]); |
2496 | $ns->send_packet ($ns->{query_queue}[0][0]); |
2231 | } else { |
2497 | } else { |
2232 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
2498 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
2233 | } |
2499 | } |
2234 | } |
2500 | } |
|
|
2501 | }, |
|
|
2502 | on_exticmd => sub { |
|
|
2503 | my ($ns, $buf) = @_; |
|
|
2504 | |
|
|
2505 | my $msg = eval { $ns->{json_coder}->decode ($buf) }; |
|
|
2506 | |
|
|
2507 | if (ref $msg) { |
|
|
2508 | if (my $cb = $EXTICMD{$msg->{msgtype}}) { |
|
|
2509 | if (my %reply = $cb->($ns, $msg)) { |
|
|
2510 | $reply{msgid} = $msg->{msgid}; |
|
|
2511 | $ns->send ("ext " . $ns->{json_coder}->encode (\%reply)); |
|
|
2512 | } |
|
|
2513 | } |
|
|
2514 | } else { |
|
|
2515 | warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; |
|
|
2516 | } |
|
|
2517 | |
|
|
2518 | cf::override; |
2235 | }, |
2519 | }, |
2236 | ); |
2520 | ); |
2237 | |
2521 | |
2238 | =item $client->async (\&cb) |
2522 | =item $client->async (\&cb) |
2239 | |
2523 | |
… | |
… | |
2378 | =back |
2662 | =back |
2379 | |
2663 | |
2380 | =cut |
2664 | =cut |
2381 | |
2665 | |
2382 | ############################################################################# |
2666 | ############################################################################# |
2383 | |
|
|
2384 | =head2 EXTENSION DATABASE SUPPORT |
|
|
2385 | |
|
|
2386 | Crossfire maintains a very simple database for extension use. It can |
|
|
2387 | currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to |
|
|
2388 | convert to/from binary). |
|
|
2389 | |
|
|
2390 | The parameter C<$family> should best start with the name of the extension |
|
|
2391 | using it, it should be unique. |
|
|
2392 | |
|
|
2393 | =over 4 |
|
|
2394 | |
|
|
2395 | =item $value = cf::db_get $family => $key |
|
|
2396 | |
|
|
2397 | Returns a single value from the database. |
|
|
2398 | |
|
|
2399 | =item cf::db_put $family => $key => $value |
|
|
2400 | |
|
|
2401 | Stores the given C<$value> in the family. |
|
|
2402 | |
|
|
2403 | =cut |
|
|
2404 | |
|
|
2405 | our $DB; |
|
|
2406 | |
|
|
2407 | sub db_init { |
|
|
2408 | unless ($DB) { |
|
|
2409 | $DB = BDB::db_create $DB_ENV; |
|
|
2410 | |
|
|
2411 | cf::sync_job { |
|
|
2412 | eval { |
|
|
2413 | $DB->set_flags (BDB::CHKSUM); |
|
|
2414 | |
|
|
2415 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2416 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2417 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2418 | }; |
|
|
2419 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2420 | }; |
|
|
2421 | } |
|
|
2422 | } |
|
|
2423 | |
|
|
2424 | sub db_get($$) { |
|
|
2425 | my $key = "$_[0]/$_[1]"; |
|
|
2426 | |
|
|
2427 | cf::sync_job { |
|
|
2428 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2429 | |
|
|
2430 | $! ? () |
|
|
2431 | : $data |
|
|
2432 | } |
|
|
2433 | } |
|
|
2434 | |
|
|
2435 | sub db_put($$$) { |
|
|
2436 | BDB::dbreq_pri 4; |
|
|
2437 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
|
|
2438 | } |
|
|
2439 | |
|
|
2440 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
2441 | |
|
|
2442 | Generic caching function that returns the value of the resource $id, |
|
|
2443 | caching and regenerating as required. |
|
|
2444 | |
|
|
2445 | This function can block. |
|
|
2446 | |
|
|
2447 | =cut |
|
|
2448 | |
|
|
2449 | sub cache { |
|
|
2450 | my ($id, $src, $processversion, $process) = @_; |
|
|
2451 | |
|
|
2452 | my $meta = |
|
|
2453 | join "\x00", |
|
|
2454 | $processversion, |
|
|
2455 | map { |
|
|
2456 | aio_stat $_ |
|
|
2457 | and Carp::croak "$_: $!"; |
|
|
2458 | |
|
|
2459 | ($_, (stat _)[7,9]) |
|
|
2460 | } @$src; |
|
|
2461 | |
|
|
2462 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
2463 | if ($dbmeta ne $meta) { |
|
|
2464 | # changed, we may need to process |
|
|
2465 | |
|
|
2466 | my @data; |
|
|
2467 | my $md5; |
|
|
2468 | |
|
|
2469 | for (0 .. $#$src) { |
|
|
2470 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
2471 | or Carp::croak "$src->[$_]: $!"; |
|
|
2472 | } |
|
|
2473 | |
|
|
2474 | # if processing is expensive, check |
|
|
2475 | # checksum first |
|
|
2476 | if (1) { |
|
|
2477 | $md5 = |
|
|
2478 | join "\x00", |
|
|
2479 | $processversion, |
|
|
2480 | map { |
|
|
2481 | Coro::cede; |
|
|
2482 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
2483 | } 0.. $#$src; |
|
|
2484 | |
|
|
2485 | |
|
|
2486 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
2487 | if ($dbmd5 eq $md5) { |
|
|
2488 | db_put cache => "$id/meta", $meta; |
|
|
2489 | |
|
|
2490 | return db_get cache => "$id/data"; |
|
|
2491 | } |
|
|
2492 | } |
|
|
2493 | |
|
|
2494 | my $t1 = Time::HiRes::time; |
|
|
2495 | my $data = $process->(\@data); |
|
|
2496 | my $t2 = Time::HiRes::time; |
|
|
2497 | |
|
|
2498 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
2499 | |
|
|
2500 | db_put cache => "$id/data", $data; |
|
|
2501 | db_put cache => "$id/md5" , $md5; |
|
|
2502 | db_put cache => "$id/meta", $meta; |
|
|
2503 | |
|
|
2504 | return $data; |
|
|
2505 | } |
|
|
2506 | |
|
|
2507 | db_get cache => "$id/data" |
|
|
2508 | } |
|
|
2509 | |
|
|
2510 | =item fork_call { }, $args |
|
|
2511 | |
|
|
2512 | Executes the given code block with the given arguments in a seperate |
|
|
2513 | process, returning the results. Everything must be serialisable with |
|
|
2514 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
2515 | never block itself or use any form of Event handling. |
|
|
2516 | |
|
|
2517 | =cut |
|
|
2518 | |
|
|
2519 | sub fork_call(&@) { |
|
|
2520 | my ($cb, @args) = @_; |
|
|
2521 | |
|
|
2522 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
2523 | # or die "socketpair: $!"; |
|
|
2524 | pipe my $fh1, my $fh2 |
|
|
2525 | or die "pipe: $!"; |
|
|
2526 | |
|
|
2527 | if (my $pid = fork) { |
|
|
2528 | close $fh2; |
|
|
2529 | |
|
|
2530 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
2531 | $res = Coro::Storable::thaw $res; |
|
|
2532 | |
|
|
2533 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
2534 | |
|
|
2535 | die $$res unless "ARRAY" eq ref $res; |
|
|
2536 | |
|
|
2537 | return wantarray ? @$res : $res->[-1]; |
|
|
2538 | } else { |
|
|
2539 | reset_signals; |
|
|
2540 | local $SIG{__WARN__}; |
|
|
2541 | local $SIG{__DIE__}; |
|
|
2542 | eval { |
|
|
2543 | close $fh1; |
|
|
2544 | |
|
|
2545 | my @res = eval { $cb->(@args) }; |
|
|
2546 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
2547 | }; |
|
|
2548 | |
|
|
2549 | warn $@ if $@; |
|
|
2550 | _exit 0; |
|
|
2551 | } |
|
|
2552 | } |
|
|
2553 | |
|
|
2554 | ############################################################################# |
|
|
2555 | # the server's init and main functions |
2667 | # the server's init and main functions |
2556 | |
2668 | |
2557 | sub load_facedata($) { |
2669 | sub load_facedata($) { |
2558 | my ($path) = @_; |
2670 | my ($path) = @_; |
2559 | |
2671 | |
… | |
… | |
2615 | load_facedata "$DATADIR/facedata" |
2727 | load_facedata "$DATADIR/facedata" |
2616 | or die "unable to load facedata\n"; |
2728 | or die "unable to load facedata\n"; |
2617 | } |
2729 | } |
2618 | |
2730 | |
2619 | sub reload_archetypes { |
2731 | sub reload_archetypes { |
|
|
2732 | load_resource_file "$DATADIR/archetypes" |
|
|
2733 | or die "unable to load archetypes\n"; |
|
|
2734 | #d# NEED to laod twice to resolve forward references |
|
|
2735 | # this really needs to be done in an extra post-pass |
|
|
2736 | # (which needs to be synchronous, so solve it differently) |
2620 | load_resource_file "$DATADIR/archetypes" |
2737 | load_resource_file "$DATADIR/archetypes" |
2621 | or die "unable to load archetypes\n"; |
2738 | or die "unable to load archetypes\n"; |
2622 | } |
2739 | } |
2623 | |
2740 | |
2624 | sub reload_treasures { |
2741 | sub reload_treasures { |
… | |
… | |
2696 | }, |
2813 | }, |
2697 | ); |
2814 | ); |
2698 | } |
2815 | } |
2699 | } |
2816 | } |
2700 | |
2817 | |
|
|
2818 | sub write_runtime { |
|
|
2819 | my $runtime = "$LOCALDIR/runtime"; |
|
|
2820 | |
|
|
2821 | # first touch the runtime file to show we are still running: |
|
|
2822 | # the fsync below can take a very very long time. |
|
|
2823 | |
|
|
2824 | IO::AIO::aio_utime $runtime, undef, undef; |
|
|
2825 | |
|
|
2826 | my $guard = cf::lock_acquire "write_runtime"; |
|
|
2827 | |
|
|
2828 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
|
|
2829 | or return; |
|
|
2830 | |
|
|
2831 | my $value = $cf::RUNTIME + 90 + 10; |
|
|
2832 | # 10 is the runtime save interval, for a monotonic clock |
|
|
2833 | # 60 allows for the watchdog to kill the server. |
|
|
2834 | |
|
|
2835 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
|
|
2836 | and return; |
|
|
2837 | |
|
|
2838 | # always fsync - this file is important |
|
|
2839 | aio_fsync $fh |
|
|
2840 | and return; |
|
|
2841 | |
|
|
2842 | # touch it again to show we are up-to-date |
|
|
2843 | aio_utime $fh, undef, undef; |
|
|
2844 | |
|
|
2845 | close $fh |
|
|
2846 | or return; |
|
|
2847 | |
|
|
2848 | aio_rename "$runtime~", $runtime |
|
|
2849 | and return; |
|
|
2850 | |
|
|
2851 | warn "runtime file written.\n"; |
|
|
2852 | |
|
|
2853 | 1 |
|
|
2854 | } |
|
|
2855 | |
2701 | sub emergency_save() { |
2856 | sub emergency_save() { |
2702 | my $freeze_guard = cf::freeze_mainloop; |
2857 | my $freeze_guard = cf::freeze_mainloop; |
2703 | |
2858 | |
2704 | warn "enter emergency perl save\n"; |
2859 | warn "enter emergency perl save\n"; |
2705 | |
2860 | |
… | |
… | |
2780 | %EXT_CORO = (); |
2935 | %EXT_CORO = (); |
2781 | |
2936 | |
2782 | warn "removing commands"; |
2937 | warn "removing commands"; |
2783 | %COMMAND = (); |
2938 | %COMMAND = (); |
2784 | |
2939 | |
2785 | warn "removing ext commands"; |
2940 | warn "removing ext/exti commands"; |
2786 | %EXTCMD = (); |
2941 | %EXTCMD = (); |
|
|
2942 | %EXTICMD = (); |
2787 | |
2943 | |
2788 | warn "unloading/nuking all extensions"; |
2944 | warn "unloading/nuking all extensions"; |
2789 | for my $pkg (@EXTS) { |
2945 | for my $pkg (@EXTS) { |
2790 | warn "... unloading $pkg"; |
2946 | warn "... unloading $pkg"; |
2791 | |
2947 | |