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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.303 by root, Wed Jul 11 15:57:31 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;
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 190@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 191@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 192@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 193@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 194@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
195@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 196@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 197
194# we bless all objects into (empty) derived classes to force a method lookup 198# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 199# within the Safe compartment.
196for my $pkg (qw( 200for my $pkg (qw(
197 cf::global cf::attachable 201 cf::global cf::attachable
205} 209}
206 210
207$Event::DIED = sub { 211$Event::DIED = sub {
208 warn "error in event callback: @_"; 212 warn "error in event callback: @_";
209}; 213};
214
215#############################################################################
210 216
211=head2 UTILITY FUNCTIONS 217=head2 UTILITY FUNCTIONS
212 218
213=over 4 219=over 4
214 220
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 239 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 240 $d
235 } || "[unable to dump $_[0]: '$@']"; 241 } || "[unable to dump $_[0]: '$@']";
236} 242}
237 243
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 244=item $ref = cf::from_json $json
241 245
242Converts a JSON string into the corresponding perl data structure. 246Converts a JSON string into the corresponding perl data structure.
243 247
244=item $json = cf::to_json $ref 248=item $json = cf::to_json $ref
245 249
246Converts a perl data structure into its JSON representation. 250Converts a perl data structure into its JSON representation.
251
252=cut
253
254our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255
256sub to_json ($) { $json_coder->encode ($_[0]) }
257sub from_json ($) { $json_coder->decode ($_[0]) }
247 258
248=item cf::lock_wait $string 259=item cf::lock_wait $string
249 260
250Wait until the given lock is available. See cf::lock_acquire. 261Wait until the given lock is available. See cf::lock_acquire.
251 262
317 328
318BEGIN { *async = \&Coro::async_pool } 329BEGIN { *async = \&Coro::async_pool }
319 330
320=item cf::sync_job { BLOCK } 331=item cf::sync_job { BLOCK }
321 332
322The design of crossfire+ requires that the main coro ($Coro::main) is 333The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 334is always able to handle events or runnable, as Crossfire TRT is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 335partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336acceptable.
325 337
326If it must be done, put the blocking parts into C<sync_job>. This will run 338If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 339the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 340server will be frozen during this time, so the block should either finish
329fast or be very important. 341fast or be very important.
389 $EXT_CORO{$coro+0} = $coro; 401 $EXT_CORO{$coro+0} = $coro;
390 402
391 $coro 403 $coro
392} 404}
393 405
394sub write_runtime { 406=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 407
397 # first touch the runtime file to show we are still running: 408Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 409process, returning the results. Everything must be serialisable with
410Coro::Storable. May, of course, block. Note that the executed sub may
411never block itself or use any form of Event handling.
399 412
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 413=cut
401 utime undef, undef, $fh;
402 }
403 414
404 my $guard = cf::lock_acquire "write_runtime"; 415sub _store_scalar {
405 416 open my $fh, ">", \my $buf
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 417 or die "fork_call: cannot open fh-to-buf in child : $!";
407 or return; 418 Storable::store_fd $_[0], $fh;
408
409 my $value = $cf::RUNTIME + 90 + 10;
410 # 10 is the runtime save interval, for a monotonic clock
411 # 60 allows for the watchdog to kill the server.
412
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0
414 and return;
415
416 # always fsync - this file is important
417 aio_fsync $fh
418 and return;
419
420 # touch it again to show we are up-to-date
421 utime undef, undef, $fh;
422
423 close $fh 419 close $fh;
424 or return;
425 420
426 aio_rename "$runtime~", $runtime 421 $buf
427 and return; 422}
428 423
429 warn "runtime file written.\n";#d# 424sub fork_call(&@) {
425 my ($cb, @args) = @_;
430 426
427# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
428# or die "socketpair: $!";
429 pipe my $fh1, my $fh2
430 or die "pipe: $!";
431
432 if (my $pid = fork) {
433 close $fh2;
434
435 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436 warn "pst<$res>" unless $res =~ /^pst/;
437 $res = Coro::Storable::thaw $res;
438
439 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441 Carp::confess $$res unless "ARRAY" eq ref $res;
442
443 return wantarray ? @$res : $res->[-1];
444 } else {
445 reset_signals;
446 local $SIG{__WARN__};
447 local $SIG{__DIE__};
448 # just in case, this hack effectively disables event
449 # in the child. cleaner and slower would be canceling all watchers,
450 # but this works for the time being.
451 local $Coro::idle;
452 $Coro::current->prio (Coro::PRIO_MAX);
453
454 eval {
455 close $fh1;
456
457 my @res = eval { $cb->(@args) };
458
459 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460 close $fh2;
461 };
462
463 warn $@ if $@;
464 _exit 0;
431 1 465 }
466}
467
468=item $value = cf::db_get $family => $key
469
470Returns a single value from the environment database.
471
472=item cf::db_put $family => $key => $value
473
474Stores the given C<$value> in the family. It can currently store binary
475data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476
477=cut
478
479our $DB;
480
481sub db_init {
482 unless ($DB) {
483 $DB = BDB::db_create $DB_ENV;
484
485 cf::sync_job {
486 eval {
487 $DB->set_flags (BDB::CHKSUM);
488
489 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491 cf::cleanup "db_open(db): $!" if $!;
492 };
493 cf::cleanup "db_open(db): $@" if $@;
494 };
495 }
496}
497
498sub db_get($$) {
499 my $key = "$_[0]/$_[1]";
500
501 cf::sync_job {
502 BDB::db_get $DB, undef, $key, my $data;
503
504 $! ? ()
505 : $data
506 }
507}
508
509sub db_put($$$) {
510 BDB::dbreq_pri 4;
511 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
512}
513
514=item cf::cache $id => [$paths...], $processversion => $process
515
516Generic caching function that returns the value of the resource $id,
517caching and regenerating as required.
518
519This function can block.
520
521=cut
522
523sub cache {
524 my ($id, $src, $processversion, $process) = @_;
525
526 my $meta =
527 join "\x00",
528 $processversion,
529 map {
530 aio_stat $_
531 and Carp::croak "$_: $!";
532
533 ($_, (stat _)[7,9])
534 } @$src;
535
536 my $dbmeta = db_get cache => "$id/meta";
537 if ($dbmeta ne $meta) {
538 # changed, we may need to process
539
540 my @data;
541 my $md5;
542
543 for (0 .. $#$src) {
544 0 <= aio_load $src->[$_], $data[$_]
545 or Carp::croak "$src->[$_]: $!";
546 }
547
548 # if processing is expensive, check
549 # checksum first
550 if (1) {
551 $md5 =
552 join "\x00",
553 $processversion,
554 map {
555 Coro::cede;
556 ($src->[$_], Digest::MD5::md5_hex $data[$_])
557 } 0.. $#$src;
558
559
560 my $dbmd5 = db_get cache => "$id/md5";
561 if ($dbmd5 eq $md5) {
562 db_put cache => "$id/meta", $meta;
563
564 return db_get cache => "$id/data";
565 }
566 }
567
568 my $t1 = Time::HiRes::time;
569 my $data = $process->(\@data);
570 my $t2 = Time::HiRes::time;
571
572 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
573
574 db_put cache => "$id/data", $data;
575 db_put cache => "$id/md5" , $md5;
576 db_put cache => "$id/meta", $meta;
577
578 return $data;
579 }
580
581 db_get cache => "$id/data"
432} 582}
433 583
434=item cf::datalog type => key => value, ... 584=item cf::datalog type => key => value, ...
435 585
436Log a datalog packet of the given type with the given key-value pairs. 586Log a datalog packet of the given type with the given key-value pairs.
454attach callbacks/event handlers (a collection of which is called an "attachment") 604attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 605to it. All such attachable objects support the following methods.
456 606
457In the following description, CLASS can be any of C<global>, C<object> 607In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 608C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 609Crossfire TRT).
460 610
461=over 4 611=over 4
462 612
463=item $attachable->attach ($attachment, key => $value...) 613=item $attachable->attach ($attachment, key => $value...)
464 614
666 _attach $registry, $klass, @attach; 816 _attach $registry, $klass, @attach;
667 } 817 }
668 818
669 $obj->{$name} = \%arg; 819 $obj->{$name} = \%arg;
670 } else { 820 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 821 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 822 }
673 823
674 $obj->{_attachment}{$name} = undef; 824 $obj->{_attachment}{$name} = undef;
675} 825}
676 826
874 or return; 1024 or return;
875 $av = eval { (Storable::thaw $av)->{objs} }; 1025 $av = eval { (Storable::thaw $av)->{objs} };
876 } 1026 }
877 1027
878 warn sprintf "loading %s (%d)\n", 1028 warn sprintf "loading %s (%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1029 $filename, length $data, scalar @{$av || []};
880 return ($data, $av); 1030 return ($data, $av);
881} 1031}
1032
1033=head2 COMMAND CALLBACKS
1034
1035=over 4
1036
1037=cut
882 1038
883############################################################################# 1039#############################################################################
884# command handling &c 1040# command handling &c
885 1041
886=item cf::register_command $name => \&callback($ob,$args); 1042=item cf::register_command $name => \&callback($ob,$args);
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1055 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1056}
901 1057
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1058=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1059
904Register a callbackf ro execution when the client sends an extcmd packet. 1060Register a callback for execution when the client sends an (synchronous)
1061extcmd packet. Ext commands will be processed in the order they are
1062received by the server, like other user commands. The first argument is
1063the logged-in player. Ext commands can only be processed after a player
1064has logged in successfully.
905 1065
906If the callback returns something, it is sent back as if reply was being 1066If the callback returns something, it is sent back as if reply was being
907called. 1067called.
908 1068
1069=item cf::register_exticmd $name => \&callback($ns,$packet);
1070
1071Register a callback for execution when the client sends an (asynchronous)
1072exticmd packet. Exti commands are processed by the server as soon as they
1073are received, i.e. out of order w.r.t. other commands. The first argument
1074is a client socket. Exti commands can be received anytime, even before
1075log-in.
1076
1077If the callback returns something, it is sent back as if reply was being
1078called.
1079
909=cut 1080=cut
910 1081
911sub register_extcmd { 1082sub register_extcmd {
912 my ($name, $cb) = @_; 1083 my ($name, $cb) = @_;
913 1084
914 $EXTCMD{$name} = $cb; 1085 $EXTCMD{$name} = $cb;
1086}
1087
1088sub register_exticmd {
1089 my ($name, $cb) = @_;
1090
1091 $EXTICMD{$name} = $cb;
915} 1092}
916 1093
917cf::player->attach ( 1094cf::player->attach (
918 on_command => sub { 1095 on_command => sub {
919 my ($pl, $name, $params) = @_; 1096 my ($pl, $name, $params) = @_;
928 cf::override; 1105 cf::override;
929 }, 1106 },
930 on_extcmd => sub { 1107 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1108 my ($pl, $buf) = @_;
932 1109
933 my $msg = eval { from_json $buf }; 1110 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1111
935 if (ref $msg) { 1112 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1113 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->($pl, $msg)) { 1114 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 1115 $pl->ext_reply ($msg->{msgid}, %reply);
944 1121
945 cf::override; 1122 cf::override;
946 }, 1123 },
947); 1124);
948 1125
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1126sub load_extensions {
1127 cf::sync_job {
1128 my %todo;
1129
984 for my $ext (<$LIBDIR/*.ext>) { 1130 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1131 next unless -r $path;
986 eval { 1132
987 load_extension $ext; 1133 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1134 my $base = $1;
1135 my $pkg = $1;
1136 $pkg =~ s/[^[:word:]]/_/g;
1137 $pkg = "ext::$pkg";
1138
1139 open my $fh, "<:utf8", $path
1140 or die "$path: $!";
1141
1142 my $source = do { local $/; <$fh> };
1143
1144 my %ext = (
1145 path => $path,
1146 base => $base,
1147 pkg => $pkg,
1148 );
1149
1150 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152
1153 $ext{source} =
1154 "package $pkg; use strict; use utf8;\n"
1155 . "#line 1 \"$path\"\n{\n"
1156 . $source
1157 . "\n};\n1";
1158
1159 $todo{$base} = \%ext;
1160 }
1161
1162 my %done;
1163 while (%todo) {
1164 my $progress;
1165
1166 while (my ($k, $v) = each %todo) {
1167 for (split /,\s*/, $v->{meta}{depends}) {
1168 goto skip
1169 unless exists $done{$_};
1170 }
1171
1172 warn "... loading '$k' into '$v->{pkg}'\n";
1173
1174 unless (eval $v->{source}) {
1175 my $msg = $@ ? "$v->{path}: $@\n"
1176 : "$v->{base}: extension inactive.\n";
1177
1178 if (exists $v->{meta}{mandatory}) {
1179 warn $msg;
1180 warn "mandatory extension failed to load, exiting.\n";
1181 exit 1;
1182 }
1183
1184 warn $msg;
1185 }
1186
1187 $done{$k} = delete $todo{$k};
1188 push @EXTS, $v->{pkg};
1189 $progress = 1;
988 1 1190 }
989 } or warn "$ext not loaded: $@"; 1191
1192 skip:
1193 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1194 unless $progress;
1195 }
990 } 1196 };
991} 1197}
992 1198
993############################################################################# 1199#############################################################################
1200
1201=back
994 1202
995=head2 CORE EXTENSIONS 1203=head2 CORE EXTENSIONS
996 1204
997Functions and methods that extend core crossfire objects. 1205Functions and methods that extend core crossfire objects.
998 1206
1186 } 1394 }
1187 1395
1188 \@paths 1396 \@paths
1189} 1397}
1190 1398
1399=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1400
1401Expand crossfire pod fragments into protocol xml.
1402
1403=cut
1404
1405sub expand_cfpod {
1406 ((my $self), (local $_)) = @_;
1407
1408 # escape & and <
1409 s/&/&amp;/g;
1410 s/(?<![BIUGH])</&lt;/g;
1411
1412 # this is buggy, it needs to properly take care of nested <'s
1413
1414 1 while
1415 # replace B<>, I<>, U<> etc.
1416 s/B<([^\>]*)>/<b>$1<\/b>/
1417 || s/I<([^\>]*)>/<i>$1<\/i>/
1418 || s/U<([^\>]*)>/<u>$1<\/u>/
1419 # replace G<male|female> tags
1420 || s{G<([^>|]*)\|([^>]*)>}{
1421 $self->gender ? $2 : $1
1422 }ge
1423 # replace H<hint text>
1424 || s{H<([^\>]*)>}
1425 {
1426 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428 "")
1429 [$self->{hintmode}]
1430 }ge;
1431
1432 # create single paragraphs (very hackish)
1433 s/(?<=\S)\n(?=\w)/ /g;
1434
1435 # compress some whitespace
1436 s/\s+\n/\n/g; # ws line-ends
1437 s/\n\n+/\n/g; # double lines
1438 s/^\n+//; # beginning lines
1439 s/\n+$//; # ending lines
1440
1441 $_
1442}
1443
1444sub hintmode {
1445 $_[0]{hintmode} = $_[1] if @_ > 1;
1446 $_[0]{hintmode}
1447}
1448
1191=item $player->ext_reply ($msgid, %msg) 1449=item $player->ext_reply ($msgid, %msg)
1192 1450
1193Sends an ext reply to the player. 1451Sends an ext reply to the player.
1194 1452
1195=cut 1453=cut
1196 1454
1197sub ext_reply($$%) { 1455sub ext_reply($$%) {
1198 my ($self, $id, %msg) = @_; 1456 my ($self, $id, %msg) = @_;
1199 1457
1200 $msg{msgid} = $id; 1458 $msg{msgid} = $id;
1201 1459 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1460}
1204 1461
1205=item $player->ext_event ($type, %msg) 1462=item $player->ext_event ($type, %msg)
1206 1463
1207Sends an ext event to the client. 1464Sends an ext event to the client.
1222 1479
1223package cf::region; 1480package cf::region;
1224 1481
1225=item cf::region::find_by_path $path 1482=item cf::region::find_by_path $path
1226 1483
1227Tries to decuce the probable region for a map knowing only its path. 1484Tries to decuce the likely region for a map knowing only its path.
1228 1485
1229=cut 1486=cut
1230 1487
1231sub find_by_path($) { 1488sub find_by_path($) {
1232 my ($path) = @_; 1489 my ($path) = @_;
1306 my ($self, $merge) = @_; 1563 my ($self, $merge) = @_;
1307 1564
1308 # we have to keep some variables in memory intact 1565 # we have to keep some variables in memory intact
1309 local $self->{path}; 1566 local $self->{path};
1310 local $self->{load_path}; 1567 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1568
1314 $self->SUPER::thawer_merge ($merge); 1569 $self->SUPER::thawer_merge ($merge);
1315} 1570}
1316 1571
1317sub normalise { 1572sub normalise {
1417 1672
1418 $_->change_map_light ($change) 1673 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1674 for grep $_->outdoor, values %cf::MAP;
1420} 1675}
1421 1676
1677sub decay_objects {
1678 my ($self) = @_;
1679
1680 return if $self->{deny_reset};
1681
1682 $self->do_decay_objects;
1683}
1684
1422sub unlink_save { 1685sub unlink_save {
1423 my ($self) = @_; 1686 my ($self) = @_;
1424 1687
1425 utf8::encode (my $save = $self->save_path); 1688 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1689 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1482 $self->load_header_orig 1745 $self->load_header_orig
1483 or return; 1746 or return;
1484 $self->prepare_orig; 1747 $self->prepare_orig;
1485 } 1748 }
1486 1749
1750 $self->{deny_reset} = 1
1751 if $self->no_reset;
1752
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1753 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1754 unless $self->default_region;
1489 1755
1490 1 1756 1
1491} 1757}
1506 $map->{last_save} = $cf::RUNTIME; 1772 $map->{last_save} = $cf::RUNTIME;
1507 1773
1508 $map->load_header 1774 $map->load_header
1509 or return; 1775 or return;
1510 1776
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1777 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1778 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1779 #$cf::WAIT_FOR_TICK->wait;
1514 $map->reset; 1780 $map->reset;
1515 undef $guard; 1781 undef $guard;
1516 return find $path; 1782 return find $path;
1583 my ($self, $ob) = @_; 1849 my ($self, $ob) = @_;
1584 1850
1585 return find "~" . $ob->name . "/" . $self->{path} 1851 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 1852 if $self->per_player;
1587 1853
1854# return find "?party/" . $ob->name . "/" . $self->{path}
1855# if $self->per_party;
1856
1588 $self 1857 $self
1589} 1858}
1590 1859
1591# find and load all maps in the 3x3 area around a map 1860# find and load all maps in the 3x3 area around a map
1592sub load_diag { 1861sub load_diag {
1702 1971
1703sub reset_at { 1972sub reset_at {
1704 my ($self) = @_; 1973 my ($self) = @_;
1705 1974
1706 # TODO: safety, remove and allow resettable per-player maps 1975 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 1976 return 1e99 if $self->{deny_reset};
1709 1977
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1978 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1979 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 1980
1723 my ($self) = @_; 1991 my ($self) = @_;
1724 1992
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1993 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 1994
1727 return if $self->players; 1995 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 1996
1730 warn "resetting map ", $self->path;#d# 1997 warn "resetting map ", $self->path;
1731 1998
1732 $self->in_memory (cf::MAP_SWAPPED); 1999 $self->in_memory (cf::MAP_SWAPPED);
1733 2000
1734 # need to save uniques path 2001 # need to save uniques path
1735 unless ($self->{deny_save}) { 2002 unless ($self->{deny_save}) {
1767 $cf::MAP{$self->path} = $self; 2034 $cf::MAP{$self->path} = $self;
1768 2035
1769 $self->reset; # polite request, might not happen 2036 $self->reset; # polite request, might not happen
1770} 2037}
1771 2038
2039=item $maps = cf::map::tmp_maps
2040
2041Returns an arrayref with all map paths of currently instantiated and saved
2042maps. May block.
2043
2044=cut
2045
2046sub tmp_maps() {
2047 [
2048 map {
2049 utf8::decode $_;
2050 /\.map$/
2051 ? normalise $_
2052 : ()
2053 } @{ aio_readdir $TMPDIR or [] }
2054 ]
2055}
2056
2057=item $maps = cf::map::random_maps
2058
2059Returns an arrayref with all map paths of currently instantiated and saved
2060random maps. May block.
2061
2062=cut
2063
2064sub random_maps() {
2065 [
2066 map {
2067 utf8::decode $_;
2068 /\.map$/
2069 ? normalise "?random/$_"
2070 : ()
2071 } @{ aio_readdir $RANDOMDIR or [] }
2072 ]
2073}
2074
1772=item cf::map::unique_maps 2075=item cf::map::unique_maps
1773 2076
1774Returns an arrayref of paths of all shared maps that have 2077Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2078instantiated unique items. May block.
1776 2079
1777=cut 2080=cut
1778 2081
1779sub unique_maps() { 2082sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2083 [
1781 or return; 2084 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2085 utf8::decode $_;
1787 next if /\.pst$/; 2086 /\.map$/
1788 next unless /^$PATH_SEP/o; 2087 ? normalise $_
1789 2088 : ()
1790 push @paths, cf::map::normalise $_; 2089 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2090 ]
1792
1793 \@paths
1794} 2091}
1795 2092
1796package cf; 2093package cf;
1797 2094
1798=back 2095=back
1844 2141
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2142 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2143
1847 if ($self->{record_replies}) { 2144 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2145 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2146
1849 } else { 2147 } else {
2148 my $pl = $self->contr;
2149
2150 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151 my $diag = $pl->{npc_dialog};
2152 $diag->{pl}->ext_reply (
2153 $diag->{id},
2154 msgtype => "reply",
2155 msg => $diag->{pl}->expand_cfpod ($msg),
2156 add_topics => []
2157 );
2158
2159 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2160 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2161 $self->message ($msg, $flags);
2162 }
1852 } 2163 }
1853} 2164}
1854 2165
1855=item $player_object->may ("access") 2166=item $player_object->may ("access")
1856 2167
2065 my $hp = $exit->stats->hp; 2376 my $hp = $exit->stats->hp;
2066 my $sp = $exit->stats->sp; 2377 my $sp = $exit->stats->sp;
2067 2378
2068 $self->enter_link; 2379 $self->enter_link;
2069 2380
2381 # if exit is damned, update players death & WoR home-position
2382 $self->contr->savebed ($slaying, $hp, $sp)
2383 if $exit->flag (FLAG_DAMNED);
2384
2070 (async { 2385 (async {
2071 $self->deactivate_recursive; # just to be sure 2386 $self->deactivate_recursive; # just to be sure
2072 unless (eval { 2387 unless (eval {
2073 $self->goto ($slaying, $hp, $sp); 2388 $self->goto ($slaying, $hp, $sp);
2074 2389
2101 2416
2102 utf8::encode $text; 2417 utf8::encode $text;
2103 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2418 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104} 2419}
2105 2420
2421=item $client->send_msg ($color, $type, $msg, [extra...])
2422
2423Send a drawinfo or msg packet to the client, formatting the msg for the
2424client if neccessary. C<$type> should be a string identifying the type of
2425the message, with C<log> being the default. If C<$color> is negative, suppress
2426the message unless the client supports the msg packet.
2427
2428=cut
2429
2430sub cf::client::send_msg {
2431 my ($self, $color, $type, $msg, @extra) = @_;
2432
2433 $msg = $self->pl->expand_cfpod ($msg);
2434
2435 return unless @extra || length $msg;
2436
2437 if ($self->can_msg) {
2438 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2439 } else {
2440 # replace some tags by gcfclient-compatible ones
2441 for ($msg) {
2442 1 while
2443 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448 }
2449
2450 if ($color >= 0) {
2451 if (0 && $msg =~ /\[/) {
2452 $self->send_packet ("drawextinfo $color 4 0 $msg")
2453 } else {
2454 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455 $self->send_packet ("drawinfo $color $msg")
2456 }
2457 }
2458 }
2459}
2460
2106=item $client->ext_event ($type, %msg) 2461=item $client->ext_event ($type, %msg)
2107 2462
2108Sends an exti event to the client. 2463Sends an ext event to the client.
2109 2464
2110=cut 2465=cut
2111 2466
2112sub cf::client::ext_event($$%) { 2467sub cf::client::ext_event($$%) {
2113 my ($self, $type, %msg) = @_; 2468 my ($self, $type, %msg) = @_;
2114 2469
2115 $msg{msgtype} = "event_$type"; 2470 $msg{msgtype} = "event_$type";
2116 $self->send_packet ("ext " . cf::to_json \%msg); 2471 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2117} 2472}
2118 2473
2119=item $success = $client->query ($flags, "text", \&cb) 2474=item $success = $client->query ($flags, "text", \&cb)
2120 2475
2121Queues a query to the client, calling the given callback with 2476Queues a query to the client, calling the given callback with
2122the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2477the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2478C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124 2479
2125Queries can fail, so check the return code. Or don't, as queries will become 2480Queries can fail, so check the return code. Or don't, as queries will
2126reliable at some point in the future. 2481become reliable at some point in the future.
2127 2482
2128=cut 2483=cut
2129 2484
2130sub cf::client::query { 2485sub cf::client::query {
2131 my ($self, $flags, $text, $cb) = @_; 2486 my ($self, $flags, $text, $cb) = @_;
2139 utf8::encode $text; 2494 utf8::encode $text;
2140 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2495 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141 2496
2142 $self->send_packet ($self->{query_queue}[0][0]) 2497 $self->send_packet ($self->{query_queue}[0][0])
2143 if @{ $self->{query_queue} } == 1; 2498 if @{ $self->{query_queue} } == 1;
2499
2500 1
2144} 2501}
2145 2502
2146cf::client->attach ( 2503cf::client->attach (
2504 on_connect => sub {
2505 my ($ns) = @_;
2506
2507 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2508 },
2147 on_reply => sub { 2509 on_reply => sub {
2148 my ($ns, $msg) = @_; 2510 my ($ns, $msg) = @_;
2149 2511
2150 # this weird shuffling is so that direct followup queries 2512 # this weird shuffling is so that direct followup queries
2151 # get handled first 2513 # get handled first
2163 } else { 2525 } else {
2164 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2526 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165 } 2527 }
2166 } 2528 }
2167 }, 2529 },
2530 on_exticmd => sub {
2531 my ($ns, $buf) = @_;
2532
2533 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534
2535 if (ref $msg) {
2536 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2537 if (my %reply = $cb->($ns, $msg)) {
2538 $reply{msgid} = $msg->{msgid};
2539 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540 }
2541 }
2542 } else {
2543 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544 }
2545
2546 cf::override;
2547 },
2168); 2548);
2169 2549
2170=item $client->async (\&cb) 2550=item $client->async (\&cb)
2171 2551
2172Create a new coroutine, running the specified callback. The coroutine will 2552Create a new coroutine, running the specified callback. The coroutine will
2221 2601
2222=pod 2602=pod
2223 2603
2224The following functions and methods are available within a safe environment: 2604The following functions and methods are available within a safe environment:
2225 2605
2226 cf::object contr pay_amount pay_player map 2606 cf::object
2607 contr pay_amount pay_player map x y force_find force_add
2608 insert remove
2609
2227 cf::object::player player 2610 cf::object::player
2228 cf::player peaceful 2611 player
2229 cf::map trigger 2612
2613 cf::player
2614 peaceful
2615
2616 cf::map
2617 trigger
2230 2618
2231=cut 2619=cut
2232 2620
2233for ( 2621for (
2234 ["cf::object" => qw(contr pay_amount pay_player map)], 2622 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623 insert remove)],
2235 ["cf::object::player" => qw(player)], 2624 ["cf::object::player" => qw(player)],
2236 ["cf::player" => qw(peaceful)], 2625 ["cf::player" => qw(peaceful)],
2237 ["cf::map" => qw(trigger)], 2626 ["cf::map" => qw(trigger)],
2238) { 2627) {
2239 no strict 'refs'; 2628 no strict 'refs';
2310=back 2699=back
2311 2700
2312=cut 2701=cut
2313 2702
2314############################################################################# 2703#############################################################################
2315
2316=head2 EXTENSION DATABASE SUPPORT
2317
2318Crossfire maintains a very simple database for extension use. It can
2319currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320convert to/from binary).
2321
2322The parameter C<$family> should best start with the name of the extension
2323using it, it should be unique.
2324
2325=over 4
2326
2327=item $value = cf::db_get $family => $key
2328
2329Returns a single value from the database.
2330
2331=item cf::db_put $family => $key => $value
2332
2333Stores the given C<$value> in the family.
2334
2335=cut
2336
2337our $DB;
2338
2339sub db_init {
2340 unless ($DB) {
2341 $DB = BDB::db_create $DB_ENV;
2342
2343 cf::sync_job {
2344 eval {
2345 $DB->set_flags (BDB::CHKSUM);
2346
2347 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349 cf::cleanup "db_open(db): $!" if $!;
2350 };
2351 cf::cleanup "db_open(db): $@" if $@;
2352 };
2353 }
2354}
2355
2356sub db_get($$) {
2357 my $key = "$_[0]/$_[1]";
2358
2359 cf::sync_job {
2360 BDB::db_get $DB, undef, $key, my $data;
2361
2362 $! ? ()
2363 : $data
2364 }
2365}
2366
2367sub db_put($$$) {
2368 BDB::dbreq_pri 4;
2369 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370}
2371
2372=item cf::cache $id => [$paths...], $processversion => $process
2373
2374Generic caching function that returns the value of the resource $id,
2375caching and regenerating as required.
2376
2377This function can block.
2378
2379=cut
2380
2381sub cache {
2382 my ($id, $src, $processversion, $process) = @_;
2383
2384 my $meta =
2385 join "\x00",
2386 $processversion,
2387 map {
2388 aio_stat $_
2389 and Carp::croak "$_: $!";
2390
2391 ($_, (stat _)[7,9])
2392 } @$src;
2393
2394 my $dbmeta = db_get cache => "$id/meta";
2395 if ($dbmeta ne $meta) {
2396 # changed, we may need to process
2397
2398 my @data;
2399 my $md5;
2400
2401 for (0 .. $#$src) {
2402 0 <= aio_load $src->[$_], $data[$_]
2403 or Carp::croak "$src->[$_]: $!";
2404 }
2405
2406 # if processing is expensive, check
2407 # checksum first
2408 if (1) {
2409 $md5 =
2410 join "\x00",
2411 $processversion,
2412 map {
2413 Coro::cede;
2414 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2415 } 0.. $#$src;
2416
2417
2418 my $dbmd5 = db_get cache => "$id/md5";
2419 if ($dbmd5 eq $md5) {
2420 db_put cache => "$id/meta", $meta;
2421
2422 return db_get cache => "$id/data";
2423 }
2424 }
2425
2426 my $t1 = Time::HiRes::time;
2427 my $data = $process->(\@data);
2428 my $t2 = Time::HiRes::time;
2429
2430 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432 db_put cache => "$id/data", $data;
2433 db_put cache => "$id/md5" , $md5;
2434 db_put cache => "$id/meta", $meta;
2435
2436 return $data;
2437 }
2438
2439 db_get cache => "$id/data"
2440}
2441
2442=item fork_call { }, $args
2443
2444Executes the given code block with the given arguments in a seperate
2445process, returning the results. Everything must be serialisable with
2446Coro::Storable. May, of course, block. Note that the executed sub may
2447never block itself or use any form of Event handling.
2448
2449=cut
2450
2451sub fork_call(&@) {
2452 my ($cb, @args) = @_;
2453
2454# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455# or die "socketpair: $!";
2456 pipe my $fh1, my $fh2
2457 or die "pipe: $!";
2458
2459 if (my $pid = fork) {
2460 close $fh2;
2461
2462 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463 $res = Coro::Storable::thaw $res;
2464
2465 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467 die $$res unless "ARRAY" eq ref $res;
2468
2469 return wantarray ? @$res : $res->[-1];
2470 } else {
2471 reset_signals;
2472 local $SIG{__WARN__};
2473 local $SIG{__DIE__};
2474 eval {
2475 close $fh1;
2476
2477 my @res = eval { $cb->(@args) };
2478 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479 };
2480
2481 warn $@ if $@;
2482 _exit 0;
2483 }
2484}
2485
2486
2487
2488#############################################################################
2489# the server's init and main functions 2704# the server's init and main functions
2490 2705
2491sub load_facedata($) { 2706sub load_facedata($) {
2492 my ($path) = @_; 2707 my ($path) = @_;
2493 2708
2505 { 2720 {
2506 my $faces = $facedata->{faceinfo}; 2721 my $faces = $facedata->{faceinfo};
2507 2722
2508 while (my ($face, $info) = each %$faces) { 2723 while (my ($face, $info) = each %$faces) {
2509 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2724 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2510 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2725 cf::face::set_visibility $idx, $info->{visibility};
2726 cf::face::set_magicmap $idx, $info->{magicmap};
2511 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2727 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2512 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2728 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2513 Coro::cede; 2729
2730 cf::cede_to_tick;
2514 } 2731 }
2515 2732
2516 while (my ($face, $info) = each %$faces) { 2733 while (my ($face, $info) = each %$faces) {
2517 next unless $info->{smooth}; 2734 next unless $info->{smooth};
2518 my $idx = cf::face::find $face 2735 my $idx = cf::face::find $face
2519 or next; 2736 or next;
2520 if (my $smooth = cf::face::find $info->{smooth}) { 2737 if (my $smooth = cf::face::find $info->{smooth}) {
2738 cf::face::set_smooth $idx, $smooth;
2521 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2739 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522 } else { 2740 } else {
2523 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2741 warn "smooth face '$info->{smooth}' not found for face '$face'";
2524 } 2742 }
2525 Coro::cede; 2743
2744 cf::cede_to_tick;
2526 } 2745 }
2527 } 2746 }
2528 2747
2529 { 2748 {
2530 my $anims = $facedata->{animinfo}; 2749 my $anims = $facedata->{animinfo};
2531 2750
2532 while (my ($anim, $info) = each %$anims) { 2751 while (my ($anim, $info) = each %$anims) {
2533 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2752 cf::anim::set $anim, $info->{frames}, $info->{facings};
2534 Coro::cede; 2753 cf::cede_to_tick;
2535 } 2754 }
2536 2755
2537 cf::anim::invalidate_all; # d'oh 2756 cf::anim::invalidate_all; # d'oh
2757 }
2758
2759 {
2760 # TODO: for gcfclient pleasure, we should give resources
2761 # that gcfclient doesn't grok a >10000 face index.
2762 my $res = $facedata->{resource};
2763 my $enc = JSON::XS->new->utf8->canonical;
2764
2765 while (my ($name, $info) = each %$res) {
2766 my $meta = $enc->encode ({
2767 name => $name,
2768 type => $info->{type},
2769 copyright => $info->{copyright}, #TODO#
2770 });
2771 my $data = pack "(w/a*)*", $meta, $info->{data};
2772 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2775 cf::face::set_type $idx, 1;
2776 cf::face::set_data $idx, 0, $data, $chk;
2777
2778 cf::cede_to_tick;
2779 }
2538 } 2780 }
2539 2781
2540 1 2782 1
2541} 2783}
2542 2784
2551} 2793}
2552 2794
2553sub reload_archetypes { 2795sub reload_archetypes {
2554 load_resource_file "$DATADIR/archetypes" 2796 load_resource_file "$DATADIR/archetypes"
2555 or die "unable to load archetypes\n"; 2797 or die "unable to load archetypes\n";
2798 #d# NEED to laod twice to resolve forward references
2799 # this really needs to be done in an extra post-pass
2800 # (which needs to be synchronous, so solve it differently)
2801 load_resource_file "$DATADIR/archetypes"
2802 or die "unable to load archetypes\n";
2556} 2803}
2557 2804
2558sub reload_treasures { 2805sub reload_treasures {
2559 load_resource_file "$DATADIR/treasures" 2806 load_resource_file "$DATADIR/treasures"
2560 or die "unable to load treasurelists\n"; 2807 or die "unable to load treasurelists\n";
2563sub reload_resources { 2810sub reload_resources {
2564 warn "reloading resource files...\n"; 2811 warn "reloading resource files...\n";
2565 2812
2566 reload_regions; 2813 reload_regions;
2567 reload_facedata; 2814 reload_facedata;
2815 #reload_archetypes;#d#
2568 reload_archetypes; 2816 reload_archetypes;
2569 reload_treasures; 2817 reload_treasures;
2570 2818
2571 warn "finished reloading resource files\n"; 2819 warn "finished reloading resource files\n";
2572} 2820}
2629 }, 2877 },
2630 ); 2878 );
2631 } 2879 }
2632} 2880}
2633 2881
2882sub write_runtime {
2883 my $runtime = "$LOCALDIR/runtime";
2884
2885 # first touch the runtime file to show we are still running:
2886 # the fsync below can take a very very long time.
2887
2888 IO::AIO::aio_utime $runtime, undef, undef;
2889
2890 my $guard = cf::lock_acquire "write_runtime";
2891
2892 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
2893 or return;
2894
2895 my $value = $cf::RUNTIME + 90 + 10;
2896 # 10 is the runtime save interval, for a monotonic clock
2897 # 60 allows for the watchdog to kill the server.
2898
2899 (aio_write $fh, 0, (length $value), $value, 0) <= 0
2900 and return;
2901
2902 # always fsync - this file is important
2903 aio_fsync $fh
2904 and return;
2905
2906 # touch it again to show we are up-to-date
2907 aio_utime $fh, undef, undef;
2908
2909 close $fh
2910 or return;
2911
2912 aio_rename "$runtime~", $runtime
2913 and return;
2914
2915 warn "runtime file written.\n";
2916
2917 1
2918}
2919
2634sub emergency_save() { 2920sub emergency_save() {
2635 my $freeze_guard = cf::freeze_mainloop; 2921 my $freeze_guard = cf::freeze_mainloop;
2636 2922
2637 warn "enter emergency perl save\n"; 2923 warn "enter emergency perl save\n";
2638 2924
2713 %EXT_CORO = (); 2999 %EXT_CORO = ();
2714 3000
2715 warn "removing commands"; 3001 warn "removing commands";
2716 %COMMAND = (); 3002 %COMMAND = ();
2717 3003
2718 warn "removing ext commands"; 3004 warn "removing ext/exti commands";
2719 %EXTCMD = (); 3005 %EXTCMD = ();
3006 %EXTICMD = ();
2720 3007
2721 warn "unloading/nuking all extensions"; 3008 warn "unloading/nuking all extensions";
2722 for my $pkg (@EXTS) { 3009 for my $pkg (@EXTS) {
2723 warn "... unloading $pkg"; 3010 warn "... unloading $pkg";
2724 3011

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