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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC

20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24 24
25use JSON::XS 1.4 ();
25use BDB (); 26use BDB ();
26use Data::Dumper; 27use Data::Dumper;
27use Digest::MD5; 28use Digest::MD5;
28use Fcntl; 29use Fcntl;
29use YAML::Syck (); 30use YAML::Syck ();
30use IO::AIO 2.32 (); 31use IO::AIO 2.32 ();
31use Time::HiRes; 32use Time::HiRes;
32use Compress::LZF; 33use Compress::LZF;
34use Digest::MD5 ();
33 35
34# configure various modules to our taste 36# configure various modules to our taste
35# 37#
36$Storable::canonical = 1; # reduce rsync transfers 38$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
49our %COMMAND = (); 51our %COMMAND = ();
50our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
51 53
52our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
56 59
57our $RELOAD; # number of reloads so far 60our $RELOAD; # number of reloads so far
58our @EVENT; 61our @EVENT;
164 167
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 169returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 170per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 171
172=item @cf::INVOKE_RESULTS
173
174This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call.
177
169=back 178=back
170 179
171=cut 180=cut
172 181
173BEGIN { 182BEGIN {
206} 215}
207 216
208$Event::DIED = sub { 217$Event::DIED = sub {
209 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
210}; 219};
220
221#############################################################################
211 222
212=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
213 224
214=over 4 225=over 4
215 226
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 246 $d
236 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
237} 248}
238 249
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
242 251
243Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
244 253
245=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
246 255
247Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
257
258=cut
259
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261
262sub to_json ($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) }
248 264
249=item cf::lock_wait $string 265=item cf::lock_wait $string
250 266
251Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
252 268
306 }; 322 };
307 $TICK_WATCHER->stop; 323 $TICK_WATCHER->stop;
308 $guard 324 $guard
309} 325}
310 326
327=item cf::get_slot $time[, $priority[, $name]]
328
329Allocate $time seconds of blocking CPU time at priority C<$priority>:
330This call blocks and returns only when you have at least C<$time> seconds
331of cpu time till the next tick. The slot is only valid till the next cede.
332
333The optional C<$name> can be used to identify the job to run. It might be
334used for statistical purposes and should identify the same time-class.
335
336Useful for short background jobs.
337
338=cut
339
340our @SLOT_QUEUE;
341our $SLOT_QUEUE;
342
343$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async {
345 my $signal = new Coro::Signal;
346
347 while () {
348 next_job:
349 my $avail = cf::till_tick;
350 if ($avail > 0.01) {
351 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) {
353 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send;
355 Coro::cede;
356 goto next_job;
357 }
358 }
359 }
360
361 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait;
365 } else {
366 Coro::schedule;
367 }
368 }
369};
370
371sub get_slot($;$$) {
372 my ($time, $pri, $name) = @_;
373
374 $time = $TICK * .6 if $time > $TICK * .6;
375 my $sig = new Coro::Signal;
376
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready;
380 $sig->wait;
381}
382
311=item cf::async { BLOCK } 383=item cf::async { BLOCK }
312 384
313Currently the same as Coro::async_pool, meaning you cannot use 385Currently the same as Coro::async_pool, meaning you cannot use
314C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 386C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315thing you are allowed to do is call C<prio> on it. 387thing you are allowed to do is call C<prio> on it.
318 390
319BEGIN { *async = \&Coro::async_pool } 391BEGIN { *async = \&Coro::async_pool }
320 392
321=item cf::sync_job { BLOCK } 393=item cf::sync_job { BLOCK }
322 394
323The design of crossfire+ requires that the main coro ($Coro::main) is 395The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 396is always able to handle events or runnable, as Crossfire TRT is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable.
326 399
327If it must be done, put the blocking parts into C<sync_job>. This will run 400If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 401the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 402server will be frozen during this time, so the block should either finish
330fast or be very important. 403fast or be very important.
390 $EXT_CORO{$coro+0} = $coro; 463 $EXT_CORO{$coro+0} = $coro;
391 464
392 $coro 465 $coro
393} 466}
394 467
395sub write_runtime { 468=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 469
398 # first touch the runtime file to show we are still running: 470Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 471process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling.
400 474
401 IO::AIO::aio_utime $runtime, undef, undef; 475=cut
402 476
403 my $guard = cf::lock_acquire "write_runtime"; 477sub _store_scalar {
404 478 open my $fh, ">", \my $buf
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 479 or die "fork_call: cannot open fh-to-buf in child : $!";
406 or return; 480 Storable::store_fd $_[0], $fh;
407
408 my $value = $cf::RUNTIME + 90 + 10;
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 481 close $fh;
423 or return;
424 482
425 aio_rename "$runtime~", $runtime 483 $buf
426 and return; 484}
427 485
428 warn "runtime file written.\n"; 486sub fork_call(&@) {
487 my ($cb, @args) = @_;
429 488
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
490# or die "socketpair: $!";
491 pipe my $fh1, my $fh2
492 or die "pipe: $!";
493
494 if (my $pid = fork) {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
430 1 527 }
528}
529
530=item $value = cf::db_get $family => $key
531
532Returns a single value from the environment database.
533
534=item cf::db_put $family => $key => $value
535
536Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538
539=cut
540
541our $DB;
542
543sub db_init {
544 unless ($DB) {
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558}
559
560sub db_get($$) {
561 my $key = "$_[0]/$_[1]";
562
563 cf::sync_job {
564 BDB::db_get $DB, undef, $key, my $data;
565
566 $! ? ()
567 : $data
568 }
569}
570
571sub db_put($$$) {
572 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
574}
575
576=item cf::cache $id => [$paths...], $processversion => $process
577
578Generic caching function that returns the value of the resource $id,
579caching and regenerating as required.
580
581This function can block.
582
583=cut
584
585sub cache {
586 my ($id, $src, $processversion, $process) = @_;
587
588 my $meta =
589 join "\x00",
590 $processversion,
591 map {
592 aio_stat $_
593 and Carp::croak "$_: $!";
594
595 ($_, (stat _)[7,9])
596 } @$src;
597
598 my $dbmeta = db_get cache => "$id/meta";
599 if ($dbmeta ne $meta) {
600 # changed, we may need to process
601
602 my @data;
603 my $md5;
604
605 for (0 .. $#$src) {
606 0 <= aio_load $src->[$_], $data[$_]
607 or Carp::croak "$src->[$_]: $!";
608 }
609
610 # if processing is expensive, check
611 # checksum first
612 if (1) {
613 $md5 =
614 join "\x00",
615 $processversion,
616 map {
617 Coro::cede;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src;
620
621
622 my $dbmd5 = db_get cache => "$id/md5";
623 if ($dbmd5 eq $md5) {
624 db_put cache => "$id/meta", $meta;
625
626 return db_get cache => "$id/data";
627 }
628 }
629
630 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time;
633
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
635
636 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta;
639
640 return $data;
641 }
642
643 db_get cache => "$id/data"
431} 644}
432 645
433=item cf::datalog type => key => value, ... 646=item cf::datalog type => key => value, ...
434 647
435Log a datalog packet of the given type with the given key-value pairs. 648Log a datalog packet of the given type with the given key-value pairs.
453attach callbacks/event handlers (a collection of which is called an "attachment") 666attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 667to it. All such attachable objects support the following methods.
455 668
456In the following description, CLASS can be any of C<global>, C<object> 669In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 670C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 671Crossfire TRT).
459 672
460=over 4 673=over 4
461 674
462=item $attachable->attach ($attachment, key => $value...) 675=item $attachable->attach ($attachment, key => $value...)
463 676
665 _attach $registry, $klass, @attach; 878 _attach $registry, $klass, @attach;
666 } 879 }
667 880
668 $obj->{$name} = \%arg; 881 $obj->{$name} = \%arg;
669 } else { 882 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 883 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 884 }
672 885
673 $obj->{_attachment}{$name} = undef; 886 $obj->{_attachment}{$name} = undef;
674} 887}
675 888
715 "; 928 ";
716 die if $@; 929 die if $@;
717} 930}
718 931
719our $override; 932our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 933our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 934
722sub override { 935sub override {
723 $override = 1; 936 $override = 1;
724 @invoke_results = (); 937 @INVOKE_RESULTS = (@_);
725} 938}
726 939
727sub do_invoke { 940sub do_invoke {
728 my $event = shift; 941 my $event = shift;
729 my $callbacks = shift; 942 my $callbacks = shift;
730 943
731 @invoke_results = (); 944 @INVOKE_RESULTS = ();
732 945
733 local $override; 946 local $override;
734 947
735 for (@$callbacks) { 948 for (@$callbacks) {
736 eval { &{$_->[1]} }; 949 eval { &{$_->[1]} };
753 966
754Generate an object-specific event with the given arguments. 967Generate an object-specific event with the given arguments.
755 968
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 969This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 970removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 971results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 972
760=back 973=back
761 974
762=cut 975=cut
763 976
764############################################################################# 977#############################################################################
765# object support 978# object support
979#
980
981sub _can_merge {
982 my ($ob1, $ob2) = @_;
983
984 local $Storable::canonical = 1;
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987
988 $fob1 eq $fob2
989}
766 990
767sub reattach { 991sub reattach {
768 # basically do the same as instantiate, without calling instantiate 992 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 993 my ($obj) = @_;
770 994
877 warn sprintf "loading %s (%d)\n", 1101 warn sprintf "loading %s (%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1102 $filename, length $data, scalar @{$av || []};
879 return ($data, $av); 1103 return ($data, $av);
880} 1104}
881 1105
1106=head2 COMMAND CALLBACKS
1107
1108=over 4
1109
1110=cut
1111
882############################################################################# 1112#############################################################################
883# command handling &c 1113# command handling &c
884 1114
885=item cf::register_command $name => \&callback($ob,$args); 1115=item cf::register_command $name => \&callback($ob,$args);
886 1116
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1128 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1129}
900 1130
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1131=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1132
903Register a callbackf ro execution when the client sends an extcmd packet. 1133Register a callback for execution when the client sends an (synchronous)
1134extcmd packet. Ext commands will be processed in the order they are
1135received by the server, like other user commands. The first argument is
1136the logged-in player. Ext commands can only be processed after a player
1137has logged in successfully.
904 1138
905If the callback returns something, it is sent back as if reply was being 1139If the callback returns something, it is sent back as if reply was being
906called. 1140called.
907 1141
1142=item cf::register_exticmd $name => \&callback($ns,$packet);
1143
1144Register a callback for execution when the client sends an (asynchronous)
1145exticmd packet. Exti commands are processed by the server as soon as they
1146are received, i.e. out of order w.r.t. other commands. The first argument
1147is a client socket. Exti commands can be received anytime, even before
1148log-in.
1149
1150If the callback returns something, it is sent back as if reply was being
1151called.
1152
908=cut 1153=cut
909 1154
910sub register_extcmd { 1155sub register_extcmd {
911 my ($name, $cb) = @_; 1156 my ($name, $cb) = @_;
912 1157
913 $EXTCMD{$name} = $cb; 1158 $EXTCMD{$name} = $cb;
1159}
1160
1161sub register_exticmd {
1162 my ($name, $cb) = @_;
1163
1164 $EXTICMD{$name} = $cb;
914} 1165}
915 1166
916cf::player->attach ( 1167cf::player->attach (
917 on_command => sub { 1168 on_command => sub {
918 my ($pl, $name, $params) = @_; 1169 my ($pl, $name, $params) = @_;
927 cf::override; 1178 cf::override;
928 }, 1179 },
929 on_extcmd => sub { 1180 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1181 my ($pl, $buf) = @_;
931 1182
932 my $msg = eval { from_json $buf }; 1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1184
934 if (ref $msg) { 1185 if (ref $msg) {
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1186 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936 if (my %reply = $cb->($pl, $msg)) { 1187 if (my %reply = $cb->($pl, $msg)) {
937 $pl->ext_reply ($msg->{msgid}, %reply); 1188 $pl->ext_reply ($msg->{msgid}, %reply);
1018 }; 1269 };
1019} 1270}
1020 1271
1021############################################################################# 1272#############################################################################
1022 1273
1274=back
1275
1023=head2 CORE EXTENSIONS 1276=head2 CORE EXTENSIONS
1024 1277
1025Functions and methods that extend core crossfire objects. 1278Functions and methods that extend core crossfire objects.
1026 1279
1027=cut 1280=cut
1214 } 1467 }
1215 1468
1216 \@paths 1469 \@paths
1217} 1470}
1218 1471
1472=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1473
1474Expand crossfire pod fragments into protocol xml.
1475
1476=cut
1477
1478sub expand_cfpod {
1479 ((my $self), (local $_)) = @_;
1480
1481 # escape & and <
1482 s/&/&amp;/g;
1483 s/(?<![BIUGH])</&lt;/g;
1484
1485 # this is buggy, it needs to properly take care of nested <'s
1486
1487 1 while
1488 # replace B<>, I<>, U<> etc.
1489 s/B<([^\>]*)>/<b>$1<\/b>/
1490 || s/I<([^\>]*)>/<i>$1<\/i>/
1491 || s/U<([^\>]*)>/<u>$1<\/u>/
1492 # replace G<male|female> tags
1493 || s{G<([^>|]*)\|([^>]*)>}{
1494 $self->gender ? $2 : $1
1495 }ge
1496 # replace H<hint text>
1497 || s{H<([^\>]*)>}
1498 {
1499 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501 "")
1502 [$self->{hintmode}]
1503 }ge;
1504
1505 # create single paragraphs (very hackish)
1506 s/(?<=\S)\n(?=\w)/ /g;
1507
1508 # compress some whitespace
1509 s/\s+\n/\n/g; # ws line-ends
1510 s/\n\n+/\n/g; # double lines
1511 s/^\n+//; # beginning lines
1512 s/\n+$//; # ending lines
1513
1514 $_
1515}
1516
1517sub hintmode {
1518 $_[0]{hintmode} = $_[1] if @_ > 1;
1519 $_[0]{hintmode}
1520}
1521
1219=item $player->ext_reply ($msgid, %msg) 1522=item $player->ext_reply ($msgid, %msg)
1220 1523
1221Sends an ext reply to the player. 1524Sends an ext reply to the player.
1222 1525
1223=cut 1526=cut
1224 1527
1225sub ext_reply($$%) { 1528sub ext_reply($$%) {
1226 my ($self, $id, %msg) = @_; 1529 my ($self, $id, %msg) = @_;
1227 1530
1228 $msg{msgid} = $id; 1531 $msg{msgid} = $id;
1229 1532 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1533}
1232 1534
1233=item $player->ext_event ($type, %msg) 1535=item $player->ext_event ($type, %msg)
1234 1536
1235Sends an ext event to the client. 1537Sends an ext event to the client.
1250 1552
1251package cf::region; 1553package cf::region;
1252 1554
1253=item cf::region::find_by_path $path 1555=item cf::region::find_by_path $path
1254 1556
1255Tries to decuce the probable region for a map knowing only its path. 1557Tries to decuce the likely region for a map knowing only its path.
1256 1558
1257=cut 1559=cut
1258 1560
1259sub find_by_path($) { 1561sub find_by_path($) {
1260 my ($path) = @_; 1562 my ($path) = @_;
1261 1563
1262 my ($match, $specificity); 1564 my ($match, $specificity);
1263 1565
1264 for my $region (list) { 1566 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1567 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1568 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1569 if $region->specificity > $specificity;
1268 } 1570 }
1269 } 1571 }
1270 1572
1390 $self->init; # pass $1 etc. 1692 $self->init; # pass $1 etc.
1391 return $self; 1693 return $self;
1392 } 1694 }
1393 } 1695 }
1394 1696
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1697 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1698 ()
1397} 1699}
1398 1700
1399sub init { 1701sub init {
1400 my ($self) = @_; 1702 my ($self) = @_;
1678 1980
1679 undef $MAP_PREFETCH{$path}; 1981 undef $MAP_PREFETCH{$path};
1680 $MAP_PREFETCHER ||= cf::async { 1982 $MAP_PREFETCHER ||= cf::async {
1681 while (%MAP_PREFETCH) { 1983 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 1984 for my $path (keys %MAP_PREFETCH) {
1683 my $map = find $path 1985 if (my $map = find $path) {
1684 or next;
1685 $map->load; 1986 $map->load;
1987 }
1686 1988
1687 delete $MAP_PREFETCH{$path}; 1989 delete $MAP_PREFETCH{$path};
1688 } 1990 }
1689 } 1991 }
1690 undef $MAP_PREFETCHER; 1992 undef $MAP_PREFETCHER;
1912 2214
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2215 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2216
1915 if ($self->{record_replies}) { 2217 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2218 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2219
1917 } else { 2220 } else {
2221 my $pl = $self->contr;
2222
2223 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224 my $diag = $pl->{npc_dialog};
2225 $diag->{pl}->ext_reply (
2226 $diag->{id},
2227 msgtype => "reply",
2228 msg => $diag->{pl}->expand_cfpod ($msg),
2229 add_topics => []
2230 );
2231
2232 } else {
1918 $msg = $npc->name . " says: $msg" if $npc; 2233 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2234 $self->message ($msg, $flags);
2235 }
1920 } 2236 }
1921} 2237}
1922 2238
1923=item $player_object->may ("access") 2239=item $player_object->may ("access")
1924 2240
2013 2329
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2330 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2331 $self->enter_map ($map, $x, $y);
2016} 2332}
2017 2333
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2334=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2335
2020Moves the player to the given map-path and coordinates by first freezing 2336Moves the player to the given map-path and coordinates by first freezing
2021her, loading and preparing them map, calling the provided $check callback 2337her, loading and preparing them map, calling the provided $check callback
2022that has to return the map if sucecssful, and then unfreezes the player on 2338that has to return the map if sucecssful, and then unfreezes the player on
2023the new (success) or old (failed) map position. 2339the new (success) or old (failed) map position. In either case, $done will
2340be called at the end of this process.
2024 2341
2025=cut 2342=cut
2026 2343
2027our $GOTOGEN; 2344our $GOTOGEN;
2028 2345
2029sub cf::object::player::goto { 2346sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2347 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2348
2032 # do generation counting so two concurrent goto's will be executed in-order 2349 # do generation counting so two concurrent goto's will be executed in-order
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2350 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2351
2035 $self->enter_link; 2352 $self->enter_link;
2055 2372
2056 if ($gen == $self->{_goto_generation}) { 2373 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2374 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2375 $self->leave_link ($map, $x, $y);
2059 } 2376 }
2377
2378 $done->() if $done;
2060 })->prio (1); 2379 })->prio (1);
2061} 2380}
2062 2381
2063=item $player_object->enter_exit ($exit_object) 2382=item $player_object->enter_exit ($exit_object)
2064 2383
2133 my $hp = $exit->stats->hp; 2452 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp; 2453 my $sp = $exit->stats->sp;
2135 2454
2136 $self->enter_link; 2455 $self->enter_link;
2137 2456
2457 # if exit is damned, update players death & WoR home-position
2458 $self->contr->savebed ($slaying, $hp, $sp)
2459 if $exit->flag (FLAG_DAMNED);
2460
2138 (async { 2461 (async {
2139 $self->deactivate_recursive; # just to be sure 2462 $self->deactivate_recursive; # just to be sure
2140 unless (eval { 2463 unless (eval {
2141 $self->goto ($slaying, $hp, $sp); 2464 $self->goto ($slaying, $hp, $sp);
2142 2465
2169 2492
2170 utf8::encode $text; 2493 utf8::encode $text;
2171 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2494 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172} 2495}
2173 2496
2497=item $client->send_msg ($channel, $msg, $color, [extra...])
2498
2499Send a drawinfo or msg packet to the client, formatting the msg for the
2500client if neccessary. C<$type> should be a string identifying the type of
2501the message, with C<log> being the default. If C<$color> is negative, suppress
2502the message unless the client supports the msg packet.
2503
2504=cut
2505
2506sub cf::client::send_msg {
2507 my ($self, $channel, $msg, $color, @extra) = @_;
2508
2509 $msg = $self->pl->expand_cfpod ($msg);
2510
2511 $color &= ~cf::NDI_UNIQUE; # just in case...
2512
2513 if (ref $channel) {
2514 # send meta info to client, if not yet sent
2515 unless (exists $self->{channel}{$channel->{id}}) {
2516 $self->{channel}{$channel->{id}} = $channel;
2517 $self->ext_event (channel_info => %$channel);
2518 }
2519
2520 $channel = $channel->{id};
2521 }
2522
2523 return unless @extra || length $msg;
2524
2525 if ($self->can_msg) {
2526 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2527 } else {
2528 # replace some tags by gcfclient-compatible ones
2529 for ($msg) {
2530 1 while
2531 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536 }
2537
2538 if ($color >= 0) {
2539 if (0 && $msg =~ /\[/) {
2540 $self->send_packet ("drawextinfo $color 4 0 $msg")
2541 } else {
2542 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543 $self->send_packet ("drawinfo $color $msg")
2544 }
2545 }
2546 }
2547}
2548
2174=item $client->ext_event ($type, %msg) 2549=item $client->ext_event ($type, %msg)
2175 2550
2176Sends an exti event to the client. 2551Sends an ext event to the client.
2177 2552
2178=cut 2553=cut
2179 2554
2180sub cf::client::ext_event($$%) { 2555sub cf::client::ext_event($$%) {
2181 my ($self, $type, %msg) = @_; 2556 my ($self, $type, %msg) = @_;
2182 2557
2558 return unless $self->extcmd;
2559
2183 $msg{msgtype} = "event_$type"; 2560 $msg{msgtype} = "event_$type";
2184 $self->send_packet ("ext " . cf::to_json \%msg); 2561 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2185} 2562}
2186 2563
2187=item $success = $client->query ($flags, "text", \&cb) 2564=item $success = $client->query ($flags, "text", \&cb)
2188 2565
2189Queues a query to the client, calling the given callback with 2566Queues a query to the client, calling the given callback with
2190the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2567the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2568C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192 2569
2193Queries can fail, so check the return code. Or don't, as queries will become 2570Queries can fail, so check the return code. Or don't, as queries will
2194reliable at some point in the future. 2571become reliable at some point in the future.
2195 2572
2196=cut 2573=cut
2197 2574
2198sub cf::client::query { 2575sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 2576 my ($self, $flags, $text, $cb) = @_;
2207 utf8::encode $text; 2584 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2585 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 2586
2210 $self->send_packet ($self->{query_queue}[0][0]) 2587 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 2588 if @{ $self->{query_queue} } == 1;
2589
2590 1
2212} 2591}
2213 2592
2214cf::client->attach ( 2593cf::client->attach (
2594 on_connect => sub {
2595 my ($ns) = @_;
2596
2597 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2598 },
2215 on_reply => sub { 2599 on_reply => sub {
2216 my ($ns, $msg) = @_; 2600 my ($ns, $msg) = @_;
2217 2601
2218 # this weird shuffling is so that direct followup queries 2602 # this weird shuffling is so that direct followup queries
2219 # get handled first 2603 # get handled first
2231 } else { 2615 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2616 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 2617 }
2234 } 2618 }
2235 }, 2619 },
2620 on_exticmd => sub {
2621 my ($ns, $buf) = @_;
2622
2623 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624
2625 if (ref $msg) {
2626 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2627 if (my %reply = $cb->($ns, $msg)) {
2628 $reply{msgid} = $msg->{msgid};
2629 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630 }
2631 }
2632 } else {
2633 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634 }
2635
2636 cf::override;
2637 },
2236); 2638);
2237 2639
2238=item $client->async (\&cb) 2640=item $client->async (\&cb)
2239 2641
2240Create a new coroutine, running the specified callback. The coroutine will 2642Create a new coroutine, running the specified callback. The coroutine will
2289 2691
2290=pod 2692=pod
2291 2693
2292The following functions and methods are available within a safe environment: 2694The following functions and methods are available within a safe environment:
2293 2695
2294 cf::object contr pay_amount pay_player map 2696 cf::object
2697 contr pay_amount pay_player map x y force_find force_add
2698 insert remove
2699
2295 cf::object::player player 2700 cf::object::player
2296 cf::player peaceful 2701 player
2297 cf::map trigger 2702
2703 cf::player
2704 peaceful
2705
2706 cf::map
2707 trigger
2298 2708
2299=cut 2709=cut
2300 2710
2301for ( 2711for (
2302 ["cf::object" => qw(contr pay_amount pay_player map)], 2712 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713 insert remove)],
2303 ["cf::object::player" => qw(player)], 2714 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 2715 ["cf::player" => qw(peaceful)],
2305 ["cf::map" => qw(trigger)], 2716 ["cf::map" => qw(trigger)],
2306) { 2717) {
2307 no strict 'refs'; 2718 no strict 'refs';
2378=back 2789=back
2379 2790
2380=cut 2791=cut
2381 2792
2382############################################################################# 2793#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($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
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
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
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($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 { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($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 $@;
2550 _exit 0;
2551 }
2552}
2553
2554#############################################################################
2555# the server's init and main functions 2794# the server's init and main functions
2556 2795
2557sub load_facedata($) { 2796sub load_facedata($) {
2558 my ($path) = @_; 2797 my ($path) = @_;
2559 2798
2571 { 2810 {
2572 my $faces = $facedata->{faceinfo}; 2811 my $faces = $facedata->{faceinfo};
2573 2812
2574 while (my ($face, $info) = each %$faces) { 2813 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2814 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2815 cf::face::set_visibility $idx, $info->{visibility};
2816 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2817 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2818 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2579 Coro::cede; 2819
2820 cf::cede_to_tick;
2580 } 2821 }
2581 2822
2582 while (my ($face, $info) = each %$faces) { 2823 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 2824 next unless $info->{smooth};
2584 my $idx = cf::face::find $face 2825 my $idx = cf::face::find $face
2585 or next; 2826 or next;
2586 if (my $smooth = cf::face::find $info->{smooth}) { 2827 if (my $smooth = cf::face::find $info->{smooth}) {
2828 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2829 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 2830 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2831 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 2832 }
2591 Coro::cede; 2833
2834 cf::cede_to_tick;
2592 } 2835 }
2593 } 2836 }
2594 2837
2595 { 2838 {
2596 my $anims = $facedata->{animinfo}; 2839 my $anims = $facedata->{animinfo};
2597 2840
2598 while (my ($anim, $info) = each %$anims) { 2841 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2842 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 2843 cf::cede_to_tick;
2601 } 2844 }
2602 2845
2603 cf::anim::invalidate_all; # d'oh 2846 cf::anim::invalidate_all; # d'oh
2847 }
2848
2849 {
2850 # TODO: for gcfclient pleasure, we should give resources
2851 # that gcfclient doesn't grok a >10000 face index.
2852 my $res = $facedata->{resource};
2853 my $enc = JSON::XS->new->utf8->canonical;
2854
2855 while (my ($name, $info) = each %$res) {
2856 my $meta = $enc->encode ({
2857 name => $name,
2858 type => $info->{type},
2859 copyright => $info->{copyright}, #TODO#
2860 });
2861
2862 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863
2864 if ($name =~ /\.jpg$/) {
2865 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
2866 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
2867 } else {
2868 my $data = pack "(w/a*)*", $meta, $info->{data};
2869 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871 cf::face::set_type $idx, 1;
2872 cf::face::set_data $idx, 0, $data, $chk;
2873 }
2874
2875 cf::cede_to_tick;
2876 }
2604 } 2877 }
2605 2878
2606 1 2879 1
2607} 2880}
2608 2881
2609sub reload_regions { 2882sub reload_regions {
2610 load_resource_file "$MAPDIR/regions" 2883 load_resource_file "$MAPDIR/regions"
2611 or die "unable to load regions file\n"; 2884 or die "unable to load regions file\n";
2885
2886 for (cf::region::list) {
2887 $_->{match} = qr/$_->{match}/
2888 if exists $_->{match};
2889 }
2612} 2890}
2613 2891
2614sub reload_facedata { 2892sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 2893 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 2894 or die "unable to load facedata\n";
2617} 2895}
2618 2896
2619sub reload_archetypes { 2897sub reload_archetypes {
2898 load_resource_file "$DATADIR/archetypes"
2899 or die "unable to load archetypes\n";
2900 #d# NEED to laod twice to resolve forward references
2901 # this really needs to be done in an extra post-pass
2902 # (which needs to be synchronous, so solve it differently)
2620 load_resource_file "$DATADIR/archetypes" 2903 load_resource_file "$DATADIR/archetypes"
2621 or die "unable to load archetypes\n"; 2904 or die "unable to load archetypes\n";
2622} 2905}
2623 2906
2624sub reload_treasures { 2907sub reload_treasures {
2696 }, 2979 },
2697 ); 2980 );
2698 } 2981 }
2699} 2982}
2700 2983
2984sub write_runtime {
2985 my $runtime = "$LOCALDIR/runtime";
2986
2987 # first touch the runtime file to show we are still running:
2988 # the fsync below can take a very very long time.
2989
2990 IO::AIO::aio_utime $runtime, undef, undef;
2991
2992 my $guard = cf::lock_acquire "write_runtime";
2993
2994 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
2995 or return;
2996
2997 my $value = $cf::RUNTIME + 90 + 10;
2998 # 10 is the runtime save interval, for a monotonic clock
2999 # 60 allows for the watchdog to kill the server.
3000
3001 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3002 and return;
3003
3004 # always fsync - this file is important
3005 aio_fsync $fh
3006 and return;
3007
3008 # touch it again to show we are up-to-date
3009 aio_utime $fh, undef, undef;
3010
3011 close $fh
3012 or return;
3013
3014 aio_rename "$runtime~", $runtime
3015 and return;
3016
3017 warn "runtime file written.\n";
3018
3019 1
3020}
3021
2701sub emergency_save() { 3022sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3023 my $freeze_guard = cf::freeze_mainloop;
2703 3024
2704 warn "enter emergency perl save\n"; 3025 warn "enter emergency perl save\n";
2705 3026
2780 %EXT_CORO = (); 3101 %EXT_CORO = ();
2781 3102
2782 warn "removing commands"; 3103 warn "removing commands";
2783 %COMMAND = (); 3104 %COMMAND = ();
2784 3105
2785 warn "removing ext commands"; 3106 warn "removing ext/exti commands";
2786 %EXTCMD = (); 3107 %EXTCMD = ();
3108 %EXTICMD = ();
2787 3109
2788 warn "unloading/nuking all extensions"; 3110 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) { 3111 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg"; 3112 warn "... unloading $pkg";
2791 3113

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