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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
20use Data::Dumper; 23use Data::Dumper;
21use Digest::MD5; 24use Digest::MD5;
22use Fcntl; 25use Fcntl;
26use YAML::Syck ();
23use IO::AIO 2.32 (); 27use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
26 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 37
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
33 40
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 42
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44
36our %COMMAND = (); 45our %COMMAND = ();
37our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
39 52
53our $RELOAD; # number of reloads so far
40our @EVENT; 54our @EVENT;
41our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
42 56
43our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 61our $NEXT_TICK;
46our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
47 67
48our %CFG; 68our %CFG;
49 69
50our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 71our $RUNTIME;
52 72
53our %PLAYER; # all users 73our %PLAYER; # all users
54our %MAP; # all maps 74our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 77our $BDB_ENV_DIR = cf::localdir . "/db";
58 78
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81
82# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 84
62binmode STDOUT; 85binmode STDOUT;
63binmode STDERR; 86binmode STDERR;
64 87
65# read virtual server time, if available 88# read virtual server time, if available
72mkdir cf::localdir; 95mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
77 101
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
81 105
82############################################################################# 106#############################################################################
83 107
84=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
85 109
156} 180}
157 181
158$Event::DIED = sub { 182$Event::DIED = sub {
159 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
160}; 184};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 185
166=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
167 187
168=over 4 188=over 4
169 189
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 209 $d
190 } || "[unable to dump $_[0]: '$@']"; 210 } || "[unable to dump $_[0]: '$@']";
191} 211}
192 212
193use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 214
195=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
196 216
197Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
198 218
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
207 220
208Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 222
217=item cf::lock_wait $string 223=item cf::lock_wait $string
218 224
219Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
220 226
257} 263}
258 264
259sub freeze_mainloop { 265sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
261 267
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
263 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
264 $guard 272 $guard
265} 273}
266 274
267=item cf::async { BLOCK } 275=item cf::async { BLOCK }
319 } 327 }
320} 328}
321 329
322=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
323 331
324Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 333extension calling this is being unloaded.
326 334
327=cut 335=cut
328 336
329sub async_ext(&) { 337sub async_ext(&) {
338 346
339 $coro 347 $coro
340} 348}
341 349
342sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
343 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
344 354
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 356 or return;
347 357
358 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 363 and return;
351 364
365 # always fsync - this file is important
352 aio_fsync $fh 366 aio_fsync $fh
353 and return; 367 and return;
354 368
355 close $fh 369 close $fh
356 or return; 370 or return;
359 and return; 373 and return;
360 374
361 1 375 1
362} 376}
363 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
364=back 389=back
365 390
366=cut 391=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 392
495############################################################################# 393#############################################################################
496 394
497=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
498 396
624our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 523our @CB_MAP = ();
626 524
627my %attachment; 525my %attachment;
628 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
629sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
631 535
632 use sort 'stable'; 536 use sort 'stable';
633 537
804# object support 708# object support
805 709
806sub reattach { 710sub reattach {
807 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 715
810 my $registry = $obj->registry; 716 my $registry = $obj->registry;
811 717
812 @$registry = (); 718 @$registry = ();
813 719
860 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
861 767
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 772 close $fh;
867 773
868 if (@$objs) { 774 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 780 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
876 } 782 }
877 } else { 783 } else {
878 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
945=cut 851=cut
946 852
947sub register_extcmd { 853sub register_extcmd {
948 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
949 855
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
954} 857}
955 858
956cf::player->attach ( 859cf::player->attach (
957 on_command => sub { 860 on_command => sub {
958 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
971 874
972 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
973 876
974 if (ref $msg) { 877 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 881 }
979 } 882 }
980 } else { 883 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 886
984 cf::override; 887 cf::override;
985 }, 888 },
986); 889);
987 890
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 891sub load_extension {
995 my ($path) = @_; 892 my ($path) = @_;
996 893
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 895 my $base = $1;
999 my $pkg = $1; 896 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
1002 899
1003 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
1004 901
1005 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 903 or die "$path: $!";
1007 904
1008 my $source = 905 my $source =
1009 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 909 . "\n};\n1";
1013 910
1014 eval $source 911 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 913 : "extension disabled.\n";
1017 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 915 warn $@;
1019 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
1020 917 exit 1;
1021# no strict 'refs'; 918 }
1022# @{"$pkg\::ISA"} = ext::; 919 die $@;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# } 920 }
1037 921
1038 # remove commands 922 push @EXTS, $pkg;
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 923}
1063 924
1064sub load_extensions { 925sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 927 next unless -r $ext;
1070 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1071 } 932 }
1072} 933}
1073 934
1074############################################################################# 935#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 936
1090=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1091 938
1092Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1093 940
1129 976
1130sub exists($) { 977sub exists($) {
1131 my ($login) = @_; 978 my ($login) = @_;
1132 979
1133 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1135} 982}
1136 983
1137sub find($) { 984sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 986 my $login = $_[0];
1185 1032
1186=cut 1033=cut
1187 1034
1188sub quit_character { 1035sub quit_character {
1189 my ($pl) = @_; 1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1190 1039
1191 $pl->{deny_save} = 1; 1040 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1042
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1199 my $path = playerdir $pl; 1048 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1050 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1051 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1204 IO::AIO::aio_rmtree $temp; 1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1205} 1074}
1206 1075
1207=item cf::player::list_logins 1076=item cf::player::list_logins
1208 1077
1209Returns am arrayref of all valid playernames in the system, can take a 1078Returns am arrayref of all valid playernames in the system, can take a
1229 \@logins 1098 \@logins
1230} 1099}
1231 1100
1232=item $player->maps 1101=item $player->maps
1233 1102
1234Returns an arrayref of cf::path's of all maps that are private for this 1103Returns an arrayref of map paths that are private for this
1235player. May block. 1104player. May block.
1236 1105
1237=cut 1106=cut
1238 1107
1239sub maps($) { 1108sub maps($) {
1240 my ($pl) = @_; 1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1112
1242 my $files = aio_readdir playerdir $pl 1113 my $files = aio_readdir playerdir $pl
1243 or return; 1114 or return;
1244 1115
1245 my @paths; 1116 my @paths;
1247 for (@$files) { 1118 for (@$files) {
1248 utf8::decode $_; 1119 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1120 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1121 next unless /^$PATH_SEP/o;
1251 1122
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1123 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1124 }
1254 1125
1255 \@paths 1126 \@paths
1256} 1127}
1257 1128
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, %msg)
1259 1130
1260Sends an ext reply to the player. 1131Sends an ext reply to the player.
1261 1132
1262=cut 1133=cut
1263 1134
1264sub ext_reply($$$%) { 1135sub ext_reply($$%) {
1265 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1266 1137
1267 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1268 1139
1269 $self->send ("ext " . cf::to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 $self->ns->ext_event ($type, %msg);
1270} 1153}
1271 1154
1272package cf; 1155package cf;
1273 1156
1274=back 1157=back
1283package cf::map; 1166package cf::map;
1284 1167
1285use Fcntl; 1168use Fcntl;
1286use Coro::AIO; 1169use Coro::AIO;
1287 1170
1171use overload
1172 '""' => \&as_string,
1173 fallback => 1;
1174
1288our $MAX_RESET = 3600; 1175our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1176our $DEFAULT_RESET = 3000;
1290 1177
1291sub generate_random_map { 1178sub generate_random_map {
1292 my ($path, $rmp) = @_; 1179 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1180 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1181 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1185 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1186 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1187 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1188 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1189 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1190 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1191 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1192 (cf::region::find $rmp->{region}), $rmp->{custom}
1193 )
1194}
1195
1196=item cf::map->register ($regex, $prio)
1197
1198Register a handler for the map path matching the given regex at the
1199givne priority (higher is better, built-in handlers have priority 0, the
1200default).
1201
1202=cut
1203
1204sub register {
1205 my (undef, $regex, $prio) = @_;
1206 my $pkg = caller;
1207
1208 no strict;
1209 push @{"$pkg\::ISA"}, __PACKAGE__;
1210
1211 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212}
1213
1214# also paths starting with '/'
1215$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1216
1217sub thawer_merge {
1218 my ($self, $merge) = @_;
1219
1220 # we have to keep some variables in memory intact
1221 local $self->{path};
1222 local $self->{load_path};
1223 local $self->{deny_save};
1224 local $self->{deny_reset};
1225
1226 $self->SUPER::thawer_merge ($merge);
1227}
1228
1229sub normalise {
1230 my ($path, $base) = @_;
1231
1232 $path = "$path"; # make sure its a string
1233
1234 $path =~ s/\.map$//;
1235
1236 # map plan:
1237 #
1238 # /! non-realised random map exit (special hack!)
1239 # {... are special paths that are not being touched
1240 # ?xxx/... are special absolute paths
1241 # ?random/... random maps
1242 # /... normal maps
1243 # ~user/... per-player map of a specific user
1244
1245 $path =~ s/$PATH_SEP/\//go;
1246
1247 # treat it as relative path if it starts with
1248 # something that looks reasonable
1249 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1250 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1251
1252 $base =~ s{[^/]+/?$}{};
1253 $path = "$base/$path";
1254 }
1255
1256 for ($path) {
1257 redo if s{//}{/};
1258 redo if s{/\.?/}{/};
1259 redo if s{/[^/]+/\.\./}{/};
1260 }
1261
1262 $path
1263}
1264
1265sub new_from_path {
1266 my (undef, $path, $base) = @_;
1267
1268 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1269
1270 $path = normalise $path, $base;
1271
1272 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1273 if ($path =~ $EXT_MAP{$pkg}[1]) {
1274 my $self = bless cf::map::new, $pkg;
1275 $self->{path} = $path; $self->path ($path);
1276 $self->init; # pass $1 etc.
1277 return $self;
1278 }
1279 }
1280
1281 Carp::carp "unable to resolve path '$path' (base '$base').";
1282 ()
1283}
1284
1285sub init {
1286 my ($self) = @_;
1287
1288 $self
1289}
1290
1291sub as_string {
1292 my ($self) = @_;
1293
1294 "$self->{path}"
1295}
1296
1297# the displayed name, this is a one way mapping
1298sub visible_name {
1299 &as_string
1300}
1301
1302# the original (read-only) location
1303sub load_path {
1304 my ($self) = @_;
1305
1306 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1307}
1308
1309# the temporary/swap location
1310sub save_path {
1311 my ($self) = @_;
1312
1313 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1315}
1316
1317# the unique path, undef == no special unique path
1318sub uniq_path {
1319 my ($self) = @_;
1320
1321 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308} 1323}
1309 1324
1310# and all this just because we cannot iterate over 1325# and all this just because we cannot iterate over
1311# all maps in C++... 1326# all maps in C++...
1312sub change_all_map_light { 1327sub change_all_map_light {
1314 1329
1315 $_->change_map_light ($change) 1330 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1331 for grep $_->outdoor, values %cf::MAP;
1317} 1332}
1318 1333
1334sub unlink_save {
1335 my ($self) = @_;
1336
1337 utf8::encode (my $save = $self->save_path);
1338 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1339 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1340}
1341
1319sub try_load_header($) { 1342sub load_header_from($) {
1320 my ($path) = @_; 1343 my ($self, $path) = @_;
1321 1344
1322 utf8::encode $path; 1345 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1346 #aio_open $path, O_RDONLY, 0
1347 # or return;
1348
1349 $self->_load_header ($path)
1324 or return; 1350 or return;
1325 1351
1326 my $map = cf::map::new 1352 $self->{load_path} = $path;
1353
1354 1
1355}
1356
1357sub load_header_orig {
1358 my ($self) = @_;
1359
1360 $self->load_header_from ($self->load_path)
1361}
1362
1363sub load_header_temp {
1364 my ($self) = @_;
1365
1366 $self->load_header_from ($self->save_path)
1367}
1368
1369sub prepare_temp {
1370 my ($self) = @_;
1371
1372 $self->last_access ((delete $self->{last_access})
1373 || $cf::RUNTIME); #d#
1374 # safety
1375 $self->{instantiate_time} = $cf::RUNTIME
1376 if $self->{instantiate_time} > $cf::RUNTIME;
1377}
1378
1379sub prepare_orig {
1380 my ($self) = @_;
1381
1382 $self->{load_original} = 1;
1383 $self->{instantiate_time} = $cf::RUNTIME;
1384 $self->last_access ($cf::RUNTIME);
1385 $self->instantiate;
1386}
1387
1388sub load_header {
1389 my ($self) = @_;
1390
1391 if ($self->load_header_temp) {
1392 $self->prepare_temp;
1393 } else {
1394 $self->load_header_orig
1327 or return; 1395 or return;
1396 $self->prepare_orig;
1397 }
1328 1398
1329 # for better error messages only, will be overwritten 1399 1
1330 $map->path ($path);
1331
1332 $map->load_header ($path)
1333 or return;
1334
1335 $map->{load_path} = $path;
1336
1337 $map
1338} 1400}
1339 1401
1340sub find; 1402sub find;
1341sub find { 1403sub find {
1342 my ($path, $origin) = @_; 1404 my ($path, $origin) = @_;
1343 1405
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1406 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1407
1349 cf::lock_wait "map_find:$key"; 1408 cf::lock_wait "map_find:$path";
1350 1409
1351 $cf::MAP{$key} || do { 1410 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1411 my $guard = cf::lock_acquire "map_find:$path";
1353 1412 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1413 or return;
1373 1414
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1415 $map->{last_save} = $cf::RUNTIME;
1386 1416
1387 Coro::cede; 1417 $map->load_header
1418 or return;
1388 1419
1389 if ($map->should_reset) { 1420 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1421 # doing this can freeze the server in a sync job, obviously
1422 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1423 $map->reset;
1391 undef $guard; 1424 undef $guard;
1392 $map = find $path 1425 return find $path;
1393 or return;
1394 } 1426 }
1395 1427
1396 $cf::MAP{$key} = $map 1428 $cf::MAP{$path} = $map
1397 } 1429 }
1398} 1430}
1431
1432sub pre_load { }
1433sub post_load { }
1399 1434
1400sub load { 1435sub load {
1401 my ($self) = @_; 1436 my ($self) = @_;
1402 1437
1438 local $self->{deny_reset} = 1; # loading can take a long time
1439
1403 my $path = $self->{path}; 1440 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1441 my $guard = cf::lock_acquire "map_load:$path";
1405 1442
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1443 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1444
1408 $self->in_memory (cf::MAP_LOADING); 1445 $self->in_memory (cf::MAP_LOADING);
1409 1446
1410 $self->alloc; 1447 $self->alloc;
1448
1449 $self->pre_load;
1450
1411 $self->load_objects ($self->{load_path}, 1) 1451 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1452 or return;
1413 1453
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1455 if delete $self->{load_original};
1416 1456
1417 if (my $uniq = $path->uniq_path) { 1457 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1458 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1459 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1460 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1461 $self->_load_objects ($uniq, 0);
1422 } 1462 }
1423 } 1463 }
1424 1464
1425 Coro::cede; 1465 Coro::cede;
1426 1466
1427 # now do the right thing for maps 1467 # now do the right thing for maps
1428 $self->link_multipart_objects; 1468 $self->link_multipart_objects;
1429 1469
1430 if ($self->{path}->is_style_map) { 1470 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1471 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1472 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1473 $self->update_buttons;
1474 Coro::cede;
1437 $self->set_darkness_map; 1475 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1476 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1477 unless $self->difficulty;
1478 Coro::cede;
1440 $self->activate; 1479 $self->activate;
1441 } 1480 }
1442 1481
1443 Coro::cede; 1482 $self->post_load;
1444 1483
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1484 $self->in_memory (cf::MAP_IN_MEMORY);
1485}
1486
1487sub customise_for {
1488 my ($self, $ob) = @_;
1489
1490 return find "~" . $ob->name . "/" . $self->{path}
1491 if $self->per_player;
1492
1493 $self
1446} 1494}
1447 1495
1448# find and load all maps in the 3x3 area around a map 1496# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1497sub load_diag {
1450 my ($map) = @_; 1498 my ($map) = @_;
1480 1528
1481 cf::sync_job { $map->load }; 1529 cf::sync_job { $map->load };
1482} 1530}
1483 1531
1484our %MAP_PREFETCH; 1532our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1533our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1534
1500sub find_async { 1535sub find_async {
1501 my ($path, $origin) = @_; 1536 my ($path, $origin) = @_;
1502 1537
1503 $path = new cf::path $path, $origin && $origin->path; 1538 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1539
1506 if (my $map = $cf::MAP{$key}) { 1540 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1542 }
1509 1543
1510 $MAP_PREFETCH{$key} = $path; 1544 undef $MAP_PREFETCH{$path};
1545 $MAP_PREFETCHER ||= cf::async {
1546 while (%MAP_PREFETCH) {
1547 for my $path (keys %MAP_PREFETCH) {
1548 my $map = find $path
1549 or next;
1550 $map->load;
1551
1552 delete $MAP_PREFETCH{$path};
1553 }
1554 }
1555 undef $MAP_PREFETCHER;
1556 };
1511 $MAP_PREFETCHER->ready; 1557 $MAP_PREFETCHER->prio (6);
1512 1558
1513 () 1559 ()
1514} 1560}
1515 1561
1516sub save { 1562sub save {
1520 1566
1521 $self->{last_save} = $cf::RUNTIME; 1567 $self->{last_save} = $cf::RUNTIME;
1522 1568
1523 return unless $self->dirty; 1569 return unless $self->dirty;
1524 1570
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1571 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1572 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1573
1528 $self->{load_path} = $save; 1574 $self->{load_path} = $save;
1529 1575
1530 return if $self->{deny_save}; 1576 return if $self->{deny_save};
1531 1577
1534 cf::async { 1580 cf::async {
1535 $_->contr->save for $self->players; 1581 $_->contr->save for $self->players;
1536 }; 1582 };
1537 1583
1538 if ($uniq) { 1584 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1586 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1587 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1588 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1589 }
1544} 1590}
1545 1591
1546sub swap_out { 1592sub swap_out {
1547 my ($self) = @_; 1593 my ($self) = @_;
1561 1607
1562sub reset_at { 1608sub reset_at {
1563 my ($self) = @_; 1609 my ($self) = @_;
1564 1610
1565 # TODO: safety, remove and allow resettable per-player maps 1611 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1613 return 1e99 if $self->{deny_reset};
1568 1614
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1617
1576 my ($self) = @_; 1622 my ($self) = @_;
1577 1623
1578 $self->reset_at <= $cf::RUNTIME 1624 $self->reset_at <= $cf::RUNTIME
1579} 1625}
1580 1626
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1627sub reset {
1603 my ($self) = @_; 1628 my ($self) = @_;
1604 1629
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1630 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1631
1607 return if $self->players; 1632 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1633 return if $self->isa ("ext::map_per_player");#d#
1609 1634
1610 warn "resetting map ", $self->path;#d# 1635 warn "resetting map ", $self->path;#d#
1611 1636
1637 $self->in_memory (cf::MAP_SWAPPED);
1638
1639 # need to save uniques path
1640 unless ($self->{deny_save}) {
1641 my $uniq = $self->uniq_path; utf8::encode $uniq;
1642
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1644 if $uniq;
1645 }
1646
1612 delete $cf::MAP{$self->path}; 1647 delete $cf::MAP{$self->path};
1648
1649 $self->clear;
1613 1650
1614 $_->clear_links_to ($self) for values %cf::MAP; 1651 $_->clear_links_to ($self) for values %cf::MAP;
1615 1652
1616 $self->unlink_save; 1653 $self->unlink_save;
1617 $self->destroy; 1654 $self->destroy;
1620my $nuke_counter = "aaaa"; 1657my $nuke_counter = "aaaa";
1621 1658
1622sub nuke { 1659sub nuke {
1623 my ($self) = @_; 1660 my ($self) = @_;
1624 1661
1662 delete $cf::MAP{$self->path};
1663
1664 $self->unlink_save;
1665
1666 bless $self, "cf::map";
1667 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1668 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1669 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671
1672 $cf::MAP{$self->path} = $self;
1673
1628 $self->reset; # polite request, might not happen 1674 $self->reset; # polite request, might not happen
1629} 1675}
1630 1676
1631sub customise_for {
1632 my ($map, $ob) = @_;
1633
1634 if ($map->per_player) {
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636 }
1637
1638 $map
1639}
1640
1641=item cf::map::unique_maps 1677=item cf::map::unique_maps
1642 1678
1643Returns an arrayref of cf::path's of all shared maps that have 1679Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1680instantiated unique items. May block.
1645 1681
1646=cut 1682=cut
1647 1683
1648sub unique_maps() { 1684sub unique_maps() {
1654 for (@$files) { 1690 for (@$files) {
1655 utf8::decode $_; 1691 utf8::decode $_;
1656 next if /\.pst$/; 1692 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1693 next unless /^$PATH_SEP/o;
1658 1694
1659 push @paths, new cf::path $_; 1695 push @paths, cf::map::normalise $_;
1660 } 1696 }
1661 1697
1662 \@paths 1698 \@paths
1663} 1699}
1664 1700
1739 1775
1740=item $player_object->enter_link 1776=item $player_object->enter_link
1741 1777
1742Freezes the player and moves him/her to a special map (C<{link}>). 1778Freezes the player and moves him/her to a special map (C<{link}>).
1743 1779
1744The player should be reaosnably safe there for short amounts of time. You 1780The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1781I<MUST> call C<leave_link> as soon as possible, though.
1746 1782
1783Will never block.
1784
1747=item $player_object->leave_link ($map, $x, $y) 1785=item $player_object->leave_link ($map, $x, $y)
1748 1786
1749Moves the player out of the specila link map onto the given map. If the 1787Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1788map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1789to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1790fails, to the emergency map position.
1753 1791
1754Might block. 1792Might block.
1755 1793
1756=cut 1794=cut
1795
1796sub link_map {
1797 unless ($LINK_MAP) {
1798 $LINK_MAP = cf::map::find "{link}"
1799 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1800 $LINK_MAP->load;
1801 }
1802
1803 $LINK_MAP
1804}
1757 1805
1758sub cf::object::player::enter_link { 1806sub cf::object::player::enter_link {
1759 my ($self) = @_; 1807 my ($self) = @_;
1760 1808
1761 $self->deactivate_recursive; 1809 $self->deactivate_recursive;
1762 1810
1763 return if $self->map == $LINK_MAP; 1811 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1812
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1814 if $self->map;
1767 1815
1768 $self->enter_map ($LINK_MAP, 20, 20); 1816 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1817}
1770 1818
1771sub cf::object::player::leave_link { 1819sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1820 my ($self, $map, $x, $y) = @_;
1773 1821
1795 $map->load; 1843 $map->load;
1796 $map->load_diag; 1844 $map->load_diag;
1797 1845
1798 return unless $self->contr->active; 1846 return unless $self->contr->active;
1799 $self->activate_recursive; 1847 $self->activate_recursive;
1848
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 1850 $self->enter_map ($map, $x, $y);
1801} 1851}
1802 1852
1803cf::player->attach ( 1853cf::player->attach (
1804 on_logout => sub { 1854 on_logout => sub {
1817 # try to abort aborted map switching on player login :) 1867 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes 1868 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) { 1869 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link; 1870 $pl->ob->enter_link;
1821 (async { 1871 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef, 1872 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, " 1873 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.", 1874 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED); 1875 cf::NDI_RED);
1876 # we need this sleep as the login has a concurrent enter_exit running
1877 # and this sleep increases chances of the player not ending up in scorn
1828 Coro::Timer::sleep 1; 1878 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link; 1879 $pl->ob->leave_link;
1830 })->prio (2); 1880 })->prio (2);
1831 } 1881 }
1832 }, 1882 },
1837=cut 1887=cut
1838 1888
1839sub cf::object::player::goto { 1889sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1890 my ($self, $path, $x, $y) = @_;
1841 1891
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1892 $self->enter_link;
1845 1893
1846 (async { 1894 (async {
1895 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 1896 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1897 $map = $map->customise_for ($self) if $map;
1849 1898 $map
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1899 } or
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1900 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 1901
1855 $self->leave_link ($map, $x, $y); 1902 $self->leave_link ($map, $x, $y);
1856 })->prio (1); 1903 })->prio (1);
1857} 1904}
1858 1905
1862 1909
1863sub parse_random_map_params { 1910sub parse_random_map_params {
1864 my ($spec) = @_; 1911 my ($spec) = @_;
1865 1912
1866 my $rmp = { # defaults 1913 my $rmp = { # defaults
1867 xsize => 10, 1914 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1915 ysize => (cf::rndm 15, 40),
1916 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1917 #layout => string,
1869 }; 1918 };
1870 1919
1871 for (split /\n/, $spec) { 1920 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1921 my ($k, $v) = split /\s+/, $_, 2;
1873 1922
1877 $rmp 1926 $rmp
1878} 1927}
1879 1928
1880sub prepare_random_map { 1929sub prepare_random_map {
1881 my ($exit) = @_; 1930 my ($exit) = @_;
1931
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1933
1883 # all this does is basically replace the /! path by 1934 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1935 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1936 # that depends on the exit object
1886 1937
1887 my $rmp = parse_random_map_params $exit->msg; 1938 my $rmp = parse_random_map_params $exit->msg;
1888 1939
1889 if ($exit->map) { 1940 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 1941 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 1942 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 1943 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 1944 $rmp->{origin_y} = $exit->y;
1894 } 1945 }
1895 1946
1896 $rmp->{random_seed} ||= $exit->random_seed; 1947 $rmp->{random_seed} ||= $exit->random_seed;
1897 1948
1898 my $data = cf::to_json $rmp; 1949 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1950 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1952
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1953 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 1954 aio_write $fh, 0, (length $data), $data, 0;
1955 undef $fh;
1956 aio_rename "$meta~", $meta;
1903 1957
1904 $exit->slaying ("?random/$md5"); 1958 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1959 $exit->msg (undef);
1906 } 1960 }
1907} 1961}
1908 1962
1909sub cf::object::player::enter_exit { 1963sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 1964 my ($self, $exit) = @_;
1911 1965
1912 return unless $self->type == cf::PLAYER; 1966 return unless $self->type == cf::PLAYER;
1967
1968 if ($exit->slaying eq "/!") {
1969 #TODO: this should de-fi-ni-te-ly not be a sync-job
1970 # the problem is that $exit might not survive long enough
1971 # so it needs to be done right now, right here
1972 cf::sync_job { prepare_random_map $exit };
1973 }
1974
1975 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976 my $hp = $exit->stats->hp;
1977 my $sp = $exit->stats->sp;
1913 1978
1914 $self->enter_link; 1979 $self->enter_link;
1915 1980
1916 (async { 1981 (async {
1917 $self->deactivate_recursive; # just to be sure 1982 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1983 unless (eval {
1919 prepare_random_map $exit 1984 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 1985
1925 1; 1986 1;
1926 }) { 1987 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1988 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 1989 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 1990 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 1991 cf::NDI_UNIQUE | cf::NDI_RED);
1931 1992
1932 warn "ERROR in enter_exit: $@"; 1993 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 1994 $self->leave_link;
1934 } 1995 }
1935 })->prio (1); 1996 })->prio (1);
1948 2009
1949sub cf::client::send_drawinfo { 2010sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2011 my ($self, $text, $flags) = @_;
1951 2012
1952 utf8::encode $text; 2013 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2014 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2015}
1955 2016
2017=item $client->ext_event ($type, %msg)
2018
2019Sends an exti event to the client.
2020
2021=cut
2022
2023sub cf::client::ext_event($$%) {
2024 my ($self, $type, %msg) = @_;
2025
2026 $msg{msgtype} = "event_$type";
2027 $self->send_packet ("ext " . cf::to_json \%msg);
2028}
1956 2029
1957=item $success = $client->query ($flags, "text", \&cb) 2030=item $success = $client->query ($flags, "text", \&cb)
1958 2031
1959Queues a query to the client, calling the given callback with 2032Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2033the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1989 # get handled first 2062 # get handled first
1990 my $queue = delete $ns->{query_queue} 2063 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2064 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2065
1993 (shift @$queue)->[1]->($msg); 2066 (shift @$queue)->[1]->($msg);
2067 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2068
1995 push @{ $ns->{query_queue} }, @$queue; 2069 push @{ $ns->{query_queue} }, @$queue;
1996 2070
1997 if (@{ $ns->{query_queue} } == @$queue) { 2071 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2072 if (@$queue) {
2056 2130
2057# here we export the classes and methods available to script code 2131# here we export the classes and methods available to script code
2058 2132
2059=pod 2133=pod
2060 2134
2061The following fucntions and emthods are available within a safe environment: 2135The following functions and methods are available within a safe environment:
2062 2136
2063 cf::object contr pay_amount pay_player map 2137 cf::object contr pay_amount pay_player map
2064 cf::object::player player 2138 cf::object::player player
2065 cf::player peaceful 2139 cf::player peaceful
2066 cf::map trigger 2140 cf::map trigger
2159The parameter C<$family> should best start with the name of the extension 2233The parameter C<$family> should best start with the name of the extension
2160using it, it should be unique. 2234using it, it should be unique.
2161 2235
2162=over 4 2236=over 4
2163 2237
2164=item $hashref = cf::db_get $family
2165
2166Return a hashref for use by the extension C<$family>, which can be
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169
2170=item $value = cf::db_get $family => $key 2238=item $value = cf::db_get $family => $key
2171 2239
2172Returns a single value from the database 2240Returns a single value from the database.
2173
2174=item cf::db_put $family => $hashref
2175
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178 2241
2179=item cf::db_put $family => $key => $value 2242=item cf::db_put $family => $key => $value
2180 2243
2181Stores the given C<$value> in the family hash. Updates are delayed, if you 2244Stores the given C<$value> in the family.
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191 2245
2192=cut 2246=cut
2193 2247
2194our $DB; 2248our $DB;
2195 2249
2196{ 2250sub db_init {
2251 unless ($DB) {
2252 $DB = BDB::db_create $DB_ENV;
2253
2254 cf::sync_job {
2255 eval {
2256 $DB->set_flags (BDB::CHKSUM);
2257
2258 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260 cf::cleanup "db_open(db): $!" if $!;
2261 };
2262 cf::cleanup "db_open(db): $@" if $@;
2263 };
2264
2197 my $path = cf::localdir . "/database.pst"; 2265 my $path = cf::localdir . "/database.pst";
2266 if (stat $path) {
2267 cf::sync_job {
2268 my $pst = Storable::retrieve $path;
2198 2269
2199 sub db_load() { 2270 cf::db_put (board => data => $pst->{board});
2200 $DB = stat $path ? Storable::retrieve $path : { }; 2271 cf::db_put (guildrules => data => $pst->{guildrules});
2201 } 2272 cf::db_put (rent => balance => $pst->{rent}{balance});
2273 BDB::db_env_txn_checkpoint $DB_ENV;
2202 2274
2203 my $pid; 2275 unlink $path;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 } 2276 };
2213 } 2277 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 }); 2278 }
2279}
2225 2280
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 }
2230
2231 sub db_get($;$) { 2281sub db_get($$) {
2232 @_ >= 2 2282 my $key = "$_[0]/$_[1]";
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236 2283
2284 cf::sync_job {
2285 BDB::db_get $DB, undef, $key, my $data;
2286
2287 $! ? ()
2288 : Compress::LZF::sthaw $data
2289 }
2290}
2291
2237 sub db_put($$;$) { 2292sub db_put($$$) {
2238 if (@_ >= 3) { 2293 BDB::dbreq_pri 4;
2239 $DB->{$_[0]}{$_[1]} = $_[2]; 2294 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295}
2296
2297#############################################################################
2298# the server's init and main functions
2299
2300sub load_facedata {
2301 my $path = sprintf "%s/facedata", cf::datadir;
2302
2303 warn "loading facedata from $path\n";
2304
2305 my $faces;
2306 0 < aio_load $path, $faces
2307 or die "$path: $!";
2308
2309 Coro::cede;
2310 $faces = Storable::thaw $faces;
2311 Coro::cede;
2312
2313 my $meta = delete $faces->{""};
2314 $meta->{version} == 1
2315 or cf::cleanup "$path: version mismatch, cannot proceed.";
2316
2317 while (my ($face, $info) = each %$faces) {
2318 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2320 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2321 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2322 Coro::cede;
2323 }
2324
2325 while (my ($face, $info) = each %$faces) {
2326 next unless $info->{smooth};
2327 my $idx = cf::face::find $face
2328 or next;
2329 if (my $smooth = cf::face::find $info->{smooth}) {
2330 cf::face::set_smooth $idx, $smooth;
2240 } else { 2331 } else {
2241 $DB->{$_[0]} = $_[1]; 2332 warn "smooth face '$info->{smooth}' not found for face '$face'";
2242 }
2243 db_dirty;
2244 }
2245
2246 cf::global->attach (
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 2333 }
2251 ); 2334 Coro::cede;
2252} 2335 }
2253 2336
2254############################################################################# 2337 1
2255# the server's main() 2338}
2339
2340sub reload_resources {
2341 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2342 or die "unable to load regions file\n";#d#
2343 load_facedata
2344 or die "unable to load facedata\n";#d#
2345}
2346
2347sub init {
2348 reload_resources;
2349}
2256 2350
2257sub cfg_load { 2351sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2352 open my $fh, "<:utf8", cf::confdir . "/config"
2259 or return; 2353 or return;
2260 2354
2277 2371
2278sub main { 2372sub main {
2279 # we must not ever block the main coroutine 2373 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2374 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2375 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376 (async {
2282 async { Event::one_event }; 2377 Event::one_event;
2378 })->prio (Coro::PRIO_MAX);
2283 }; 2379 };
2284 2380
2285 cfg_load; 2381 cfg_load;
2286 db_load; 2382 db_init;
2287 load_extensions; 2383 load_extensions;
2384
2385 $TICK_WATCHER->start;
2288 Event::loop; 2386 Event::loop;
2289} 2387}
2290 2388
2291############################################################################# 2389#############################################################################
2292# initialisation and cleanup 2390# initialisation and cleanup
2293 2391
2294# install some emergency cleanup handlers 2392# install some emergency cleanup handlers
2295BEGIN { 2393BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2394 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2395 Event->signal (
2396 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2397 data => WF_AUTOCANCEL,
2299 signal => $signal, 2398 signal => $signal,
2399 prio => 0,
2300 cb => sub { 2400 cb => sub {
2301 cf::cleanup "SIG$signal"; 2401 cf::cleanup "SIG$signal";
2302 }, 2402 },
2303 ); 2403 );
2304 } 2404 }
2305} 2405}
2310 warn "enter emergency perl save\n"; 2410 warn "enter emergency perl save\n";
2311 2411
2312 cf::sync_job { 2412 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2413 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2414 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2415 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2416 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2417 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2418 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2419 $pl->valid or next;
2320 $pl->save; 2420 $pl->save;
2326 my $map = $cf::MAP{$path} or next; 2426 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2427 $map->valid or next;
2328 $map->save; 2428 $map->save;
2329 } 2429 }
2330 warn "end emergency map save\n"; 2430 warn "end emergency map save\n";
2431
2432 warn "begin emergency database checkpoint\n";
2433 BDB::db_env_txn_checkpoint $DB_ENV;
2434 warn "end emergency database checkpoint\n";
2331 }; 2435 };
2332 2436
2333 warn "leave emergency perl save\n"; 2437 warn "leave emergency perl save\n";
2438}
2439
2440sub post_cleanup {
2441 my ($make_core) = @_;
2442
2443 warn Carp::longmess "post_cleanup backtrace"
2444 if $make_core;
2334} 2445}
2335 2446
2336sub reload() { 2447sub reload() {
2337 # can/must only be called in main 2448 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2449 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2450 warn "can only reload from main coroutine";
2340 return; 2451 return;
2341 } 2452 }
2342 2453
2343 warn "reloading..."; 2454 warn "reloading...";
2344 2455
2345 my $guard = freeze_mainloop; 2456 warn "entering sync_job";
2457
2458 cf::sync_job {
2459 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2460 cf::emergency_save;
2461 cf::write_runtime; # external watchdog should not bark
2347 2462
2348 eval { 2463 warn "syncing database to disk";
2464 BDB::db_env_txn_checkpoint $DB_ENV;
2465
2349 # if anything goes wrong in here, we should simply crash as we already saved 2466 # if anything goes wrong in here, we should simply crash as we already saved
2350 2467
2351 # cancel all watchers 2468 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2469 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2470 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2471 }
2355 2472
2473 warn "flushing outstanding aio requests";
2474 for (;;) {
2475 BDB::flush;
2476 IO::AIO::flush;
2477 Coro::cede;
2478 last unless IO::AIO::nreqs || BDB::nreqs;
2479 warn "iterate...";
2480 }
2481
2482 ++$RELOAD;
2483
2356 # cancel all extension coros 2484 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2485 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2486 %EXT_CORO = ();
2359 2487
2360 # unload all extensions 2488 warn "removing commands";
2361 for (@exts) { 2489 %COMMAND = ();
2490
2491 warn "removing ext commands";
2492 %EXTCMD = ();
2493
2494 warn "unloading/nuking all extensions";
2495 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2496 warn "... unloading $pkg";
2363 unload_extension $_; 2497
2498 if (my $cb = $pkg->can ("unload")) {
2499 eval {
2500 $cb->($pkg);
2501 1
2502 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2503 }
2365 2504
2505 warn "... nuking $pkg";
2506 Symbol::delete_package $pkg;
2507 }
2508
2366 # unload all modules loaded from $LIBDIR 2509 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2510 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2512
2370 warn "removing <$k>"; 2513 warn "... unloading $k";
2371 delete $INC{$k}; 2514 delete $INC{$k};
2372 2515
2373 $k =~ s/\.pm$//; 2516 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2517 $k =~ s/\//::/g;
2375 2518
2378 } 2521 }
2379 2522
2380 Symbol::delete_package $k; 2523 Symbol::delete_package $k;
2381 } 2524 }
2382 2525
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2526 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2527 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2528 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2529
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2530 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2531 delete $INC{"cf.pm"};
2396 2532
2397 # don't, removes xs symbols, too, 2533 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2534 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2535 #Symbol::delete_package __PACKAGE__;
2400 2536
2401 # reload cf.pm 2537 warn "unload completed, starting to reload now";
2538
2402 warn "reloading cf.pm"; 2539 warn "reloading cf.pm";
2403 require cf; 2540 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2541 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2542
2406 # load config and database again 2543 warn "loading config and database again";
2407 cf::cfg_load; 2544 cf::cfg_load;
2408 cf::db_load;
2409 2545
2410 # load extensions
2411 warn "load extensions"; 2546 warn "loading extensions";
2412 cf::load_extensions; 2547 cf::load_extensions;
2413 2548
2414 # reattach attachments to objects 2549 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 2550 _global_reattach; # objects, sockets
2416 _global_reattach; 2551 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2552 reattach $_ for values %MAP;
2418 }; 2553 warn "reattaching attachments to players";
2554 reattach $_ for values %PLAYER;
2419 2555
2420 if ($@) { 2556 warn "loading reloadable resources";
2557 reload_resources;
2558
2559 warn "leaving sync_job";
2560
2561 1
2562 } or do {
2421 warn $@; 2563 warn $@;
2422 warn "error while reloading, exiting."; 2564 warn "error while reloading, exiting.";
2423 exit 1; 2565 exit 1;
2424 } 2566 };
2425 2567
2426 warn "reloaded successfully"; 2568 warn "reloaded";
2427}; 2569};
2428 2570
2429############################################################################# 2571our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2572
2474register_command "reload" => sub { 2573register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2574 my ($who, $arg) = @_;
2476 2575
2477 if ($who->flag (FLAG_WIZ)) { 2576 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload."); 2577 $who->message ("reloading server.");
2578
2579 # doing reload synchronously and two reloads happen back-to-back,
2580 # coro crashes during coro_state_free->destroy here.
2581
2582 $RELOAD_WATCHER ||= Event->timer (
2583 reentrant => 0,
2584 after => 0,
2585 data => WF_AUTOCANCEL,
2586 cb => sub {
2479 reload; 2587 reload;
2480 $who->message ("end of reload."); 2588 undef $RELOAD_WATCHER;
2589 },
2590 );
2481 } 2591 }
2482}; 2592};
2483 2593
2484unshift @INC, $LIBDIR; 2594unshift @INC, $LIBDIR;
2595
2596my $bug_warning = 0;
2485 2597
2486$TICK_WATCHER = Event->timer ( 2598$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2599 reentrant => 0,
2600 parked => 1,
2488 prio => 0, 2601 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2602 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2491 cb => sub { 2604 cb => sub {
2605 if ($Coro::current != $Coro::main) {
2606 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607 unless ++$bug_warning > 10;
2608 return;
2609 }
2610
2611 $NOW = Event::time;
2612
2492 cf::server_tick; # one server iteration 2613 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2614 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2615 $NEXT_TICK += $TICK;
2495 2616
2617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2619 Coro::async_pool {
2620 write_runtime
2621 or warn "ERROR: unable to write runtime file: $!";
2622 };
2623 }
2624
2496 $WAIT_FOR_TICK->broadcast; 2625 $WAIT_FOR_TICK->broadcast;
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2626 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628# my $AFTER = Event::time;
2629# warn $AFTER - $NOW;#d#
2498 2630
2499 # if we are delayed by four ticks or more, skip them all 2631 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2632 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501 2633
2502 $TICK_WATCHER->at ($NEXT_TICK); 2634 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2635 $TICK_WATCHER->start;
2504 }, 2636 },
2505); 2637);
2506 2638
2639{
2507IO::AIO::max_poll_time $TICK * 0.2; 2640 BDB::max_poll_time $TICK * 0.1;
2508 2641 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 2642 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2643 fd => BDB::poll_fileno,
2511 poll => 'r', 2644 poll => 'r',
2512 prio => 5, 2645 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 2646 data => WF_AUTOCANCEL,
2519 after => 0, 2647 cb => \&BDB::poll_cb,
2520 interval => 10, 2648 );
2521 cb => sub { 2649 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 2650
2523 write_runtime 2651 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 2652 my $status;
2653 my $current = $Coro::current;
2654 (
2655 sub {
2656 $status = $!;
2657 $current->ready; undef $current;
2658 },
2659 sub {
2660 Coro::schedule while defined $current;
2661 $! = $status;
2662 },
2663 )
2664 };
2665
2666 unless ($DB_ENV) {
2667 $DB_ENV = BDB::db_env_create;
2668
2669 cf::sync_job {
2670 eval {
2671 BDB::db_env_open
2672 $DB_ENV,
2673 $BDB_ENV_DIR,
2674 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676 0666;
2677
2678 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2679
2680 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681 $DB_ENV->set_lk_detect;
2682 };
2683
2684 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 2685 };
2526 }, 2686 }
2527); 2687}
2688
2689{
2690 IO::AIO::min_parallel 8;
2691
2692 undef $Coro::AIO::WATCHER;
2693 IO::AIO::max_poll_time $TICK * 0.1;
2694 $AIO_POLL_WATCHER = Event->io (
2695 reentrant => 0,
2696 data => WF_AUTOCANCEL,
2697 fd => IO::AIO::poll_fileno,
2698 poll => 'r',
2699 prio => 6,
2700 cb => \&IO::AIO::poll_cb,
2701 );
2702}
2528 2703
2529END { cf::emergency_save } 2704END { cf::emergency_save }
2530 2705
25311 27061
2532 2707

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