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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 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
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 392
490############################################################################# 393#############################################################################
491 394
492=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
493 396
619our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 523our @CB_MAP = ();
621 524
622my %attachment; 525my %attachment;
623 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
624sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
626 535
627 use sort 'stable'; 536 use sort 'stable';
628 537
799# object support 708# object support
800 709
801sub reattach { 710sub reattach {
802 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 715
805 my $registry = $obj->registry; 716 my $registry = $obj->registry;
806 717
807 @$registry = (); 718 @$registry = ();
808 719
855 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
856 767
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 772 close $fh;
862 773
863 if (@$objs) { 774 if (@$objs) {
864 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) {
865 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 780 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
871 } 782 }
872 } else { 783 } else {
873 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
940=cut 851=cut
941 852
942sub register_extcmd { 853sub register_extcmd {
943 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
944 855
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
949} 857}
950 858
951cf::player->attach ( 859cf::player->attach (
952 on_command => sub { 860 on_command => sub {
953 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
966 874
967 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
968 876
969 if (ref $msg) { 877 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 881 }
974 } 882 }
975 } else { 883 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
978 886
979 cf::override; 887 cf::override;
980 }, 888 },
981); 889);
982 890
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 891sub load_extension {
990 my ($path) = @_; 892 my ($path) = @_;
991 893
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 895 my $base = $1;
994 my $pkg = $1; 896 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
997 899
998 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
999 901
1000 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 903 or die "$path: $!";
1002 904
1003 my $source = 905 my $source =
1004 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 909 . "\n};\n1";
1008 910
1009 eval $source 911 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 913 : "extension disabled.\n";
1012 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 915 warn $@;
1014 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
1015 917 exit 1;
1016# no strict 'refs'; 918 }
1017# @{"$pkg\::ISA"} = ext::; 919 die $@;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# } 920 }
1032 921
1033 # remove commands 922 push @EXTS, $pkg;
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057} 923}
1058 924
1059sub load_extensions { 925sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 927 next unless -r $ext;
1065 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1066 } 932 }
1067} 933}
1068 934
1069############################################################################# 935#############################################################################
1070# load/save/clean perl data associated with a map
1071
1072*cf::mapsupport::on_clean = sub {
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 936
1085=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1086 938
1087Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1088 940
1124 976
1125sub exists($) { 977sub exists($) {
1126 my ($login) = @_; 978 my ($login) = @_;
1127 979
1128 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1130} 982}
1131 983
1132sub find($) { 984sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 986 my $login = $_[0];
1180 1032
1181=cut 1033=cut
1182 1034
1183sub quit_character { 1035sub quit_character {
1184 my ($pl) = @_; 1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1185 1039
1186 $pl->{deny_save} = 1; 1040 $pl->{deny_save} = 1;
1187 $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
1188 1042
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1194 my $path = playerdir $pl; 1048 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1050 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1051 delete $cf::PLAYER{$pl->ob->name};
1198 $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
1199 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;
1200} 1074}
1201 1075
1202=item cf::player::list_logins 1076=item cf::player::list_logins
1203 1077
1204Returns 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
1224 \@logins 1098 \@logins
1225} 1099}
1226 1100
1227=item $player->maps 1101=item $player->maps
1228 1102
1229Returns 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
1230player. May block. 1104player. May block.
1231 1105
1232=cut 1106=cut
1233 1107
1234sub maps($) { 1108sub maps($) {
1235 my ($pl) = @_; 1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1112
1237 my $files = aio_readdir playerdir $pl 1113 my $files = aio_readdir playerdir $pl
1238 or return; 1114 or return;
1239 1115
1240 my @paths; 1116 my @paths;
1241 1117
1242 for (@$files) { 1118 for (@$files) {
1243 utf8::decode $_; 1119 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1120 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1121 next unless /^$PATH_SEP/o;
1246 1122
1247 s/$PATH_SEP/\//g; 1123 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1124 }
1250 1125
1251 \@paths 1126 \@paths
1252} 1127}
1253 1128
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, %msg)
1255 1130
1256Sends an ext reply to the player. 1131Sends an ext reply to the player.
1257 1132
1258=cut 1133=cut
1259 1134
1260sub ext_reply($$$%) { 1135sub ext_reply($$%) {
1261 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1262 1137
1263 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1264 1139
1265 $self->send ("ext " . cf::to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 $self->ns->ext_event ($type, %msg);
1266} 1153}
1267 1154
1268package cf; 1155package cf;
1269 1156
1270=back 1157=back
1279package cf::map; 1166package cf::map;
1280 1167
1281use Fcntl; 1168use Fcntl;
1282use Coro::AIO; 1169use Coro::AIO;
1283 1170
1171use overload
1172 '""' => \&as_string,
1173 fallback => 1;
1174
1284our $MAX_RESET = 3600; 1175our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1176our $DEFAULT_RESET = 3000;
1286 1177
1287sub generate_random_map { 1178sub generate_random_map {
1288 my ($path, $rmp) = @_; 1179 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1180 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1181 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1185 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1186 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1187 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1188 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1189 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $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},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1191 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (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
1304} 1323}
1305 1324
1306# and all this just because we cannot iterate over 1325# and all this just because we cannot iterate over
1307# all maps in C++... 1326# all maps in C++...
1308sub change_all_map_light { 1327sub change_all_map_light {
1310 1329
1311 $_->change_map_light ($change) 1330 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1331 for grep $_->outdoor, values %cf::MAP;
1313} 1332}
1314 1333
1334sub unlink_save {
1335 my ($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
1315sub try_load_header($) { 1342sub load_header_from($) {
1316 my ($path) = @_; 1343 my ($self, $path) = @_;
1317 1344
1318 utf8::encode $path; 1345 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1346 #aio_open $path, O_RDONLY, 0
1347 # or return;
1348
1349 $self->_load_header ($path)
1320 or return; 1350 or return;
1321 1351
1322 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
1323 or return; 1395 or return;
1396 $self->prepare_orig;
1397 }
1324 1398
1325 # for better error messages only, will be overwritten 1399 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1400}
1335 1401
1336sub find; 1402sub find;
1337sub find { 1403sub find {
1338 my ($path, $origin) = @_; 1404 my ($path, $origin) = @_;
1339 1405
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1406 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1407
1345 cf::lock_wait "map_find:$key"; 1408 cf::lock_wait "map_find:$path";
1346 1409
1347 $cf::MAP{$key} || do { 1410 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1411 my $guard = cf::lock_acquire "map_find:$path";
1349 1412 my $map = new_from_path cf::map $path
1350 # do it the slow way
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1413 or return;
1369 1414
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1415 $map->{last_save} = $cf::RUNTIME;
1382 1416
1383 Coro::cede; 1417 $map->load_header
1418 or return;
1384 1419
1385 if ($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;
1386 $map->reset; 1423 $map->reset;
1387 undef $guard; 1424 undef $guard;
1388 $map = find $path 1425 return find $path;
1389 or return;
1390 } 1426 }
1391 1427
1392 $cf::MAP{$key} = $map 1428 $cf::MAP{$path} = $map
1393 } 1429 }
1394} 1430}
1431
1432sub pre_load { }
1433sub post_load { }
1395 1434
1396sub load { 1435sub load {
1397 my ($self) = @_; 1436 my ($self) = @_;
1398 1437
1438 local $self->{deny_reset} = 1; # loading can take a long time
1439
1399 my $path = $self->{path}; 1440 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1441 my $guard = cf::lock_acquire "map_load:$path";
1401 1442
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1443 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1444
1404 $self->in_memory (cf::MAP_LOADING); 1445 $self->in_memory (cf::MAP_LOADING);
1405 1446
1406 $self->alloc; 1447 $self->alloc;
1448
1449 $self->pre_load;
1450
1407 $self->load_objects ($self->{load_path}, 1) 1451 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1452 or return;
1409 1453
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1455 if delete $self->{load_original};
1412 1456
1413 if (my $uniq = $path->uniq_path) { 1457 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1458 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1459 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1460 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1461 $self->_load_objects ($uniq, 0);
1418 } 1462 }
1419 } 1463 }
1420 1464
1421 Coro::cede; 1465 Coro::cede;
1422 1466
1423 # now do the right thing for maps 1467 # now do the right thing for maps
1424 $self->link_multipart_objects; 1468 $self->link_multipart_objects;
1425 1469
1426 if ($self->{path}->is_style_map) { 1470 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1471 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1472 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1473 $self->update_buttons;
1474 Coro::cede;
1433 $self->set_darkness_map; 1475 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1476 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1477 unless $self->difficulty;
1478 Coro::cede;
1436 $self->activate; 1479 $self->activate;
1437 } 1480 }
1438 1481
1439 Coro::cede; 1482 $self->post_load;
1440 1483
1441 $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 $self
1442} 1494}
1443 1495
1444# find and load all maps in the 3x3 area around a map 1496# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1497sub load_diag {
1446 my ($map) = @_; 1498 my ($map) = @_;
1476 1528
1477 cf::sync_job { $map->load }; 1529 cf::sync_job { $map->load };
1478} 1530}
1479 1531
1480our %MAP_PREFETCH; 1532our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1533our $MAP_PREFETCHER = undef;
1482 while () {
1483 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH
1485 or next;
1486 my $path = delete $MAP_PREFETCH{$key};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1534
1496sub find_async { 1535sub find_async {
1497 my ($path, $origin) = @_; 1536 my ($path, $origin) = @_;
1498 1537
1499 $path = new cf::path $path, $origin && $origin->path; 1538 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1539
1502 if (my $map = $cf::MAP{$key}) { 1540 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1542 }
1505 1543
1506 $MAP_PREFETCH{$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 };
1507 $MAP_PREFETCHER->ready; 1557 $MAP_PREFETCHER->prio (6);
1508 1558
1509 () 1559 ()
1510} 1560}
1511 1561
1512sub save { 1562sub save {
1516 1566
1517 $self->{last_save} = $cf::RUNTIME; 1567 $self->{last_save} = $cf::RUNTIME;
1518 1568
1519 return unless $self->dirty; 1569 return unless $self->dirty;
1520 1570
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1571 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1572 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1573
1524 $self->{load_path} = $save; 1574 $self->{load_path} = $save;
1525 1575
1526 return if $self->{deny_save}; 1576 return if $self->{deny_save};
1527 1577
1530 cf::async { 1580 cf::async {
1531 $_->contr->save for $self->players; 1581 $_->contr->save for $self->players;
1532 }; 1582 };
1533 1583
1534 if ($uniq) { 1584 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1586 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1587 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1588 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1589 }
1540} 1590}
1541 1591
1542sub swap_out { 1592sub swap_out {
1543 my ($self) = @_; 1593 my ($self) = @_;
1557 1607
1558sub reset_at { 1608sub reset_at {
1559 my ($self) = @_; 1609 my ($self) = @_;
1560 1610
1561 # TODO: safety, remove and allow resettable per-player maps 1611 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1613 return 1e99 if $self->{deny_reset};
1564 1614
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1617
1572 my ($self) = @_; 1622 my ($self) = @_;
1573 1623
1574 $self->reset_at <= $cf::RUNTIME 1624 $self->reset_at <= $cf::RUNTIME
1575} 1625}
1576 1626
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 1627sub reset {
1599 my ($self) = @_; 1628 my ($self) = @_;
1600 1629
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1630 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1631
1603 return if $self->players; 1632 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1633 return if $self->isa ("ext::map_per_player");#d#
1605 1634
1606 warn "resetting map ", $self->path;#d# 1635 warn "resetting map ", $self->path;#d#
1607 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
1608 delete $cf::MAP{$self->path}; 1647 delete $cf::MAP{$self->path};
1648
1649 $self->clear;
1609 1650
1610 $_->clear_links_to ($self) for values %cf::MAP; 1651 $_->clear_links_to ($self) for values %cf::MAP;
1611 1652
1612 $self->unlink_save; 1653 $self->unlink_save;
1613 $self->destroy; 1654 $self->destroy;
1616my $nuke_counter = "aaaa"; 1657my $nuke_counter = "aaaa";
1617 1658
1618sub nuke { 1659sub nuke {
1619 my ($self) = @_; 1660 my ($self) = @_;
1620 1661
1662 delete $cf::MAP{$self->path};
1663
1664 $self->unlink_save;
1665
1666 bless $self, "cf::map";
1667 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1668 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1669 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671
1672 $cf::MAP{$self->path} = $self;
1673
1624 $self->reset; # polite request, might not happen 1674 $self->reset; # polite request, might not happen
1625} 1675}
1626 1676
1627sub customise_for { 1677=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1678
1630 if ($map->per_player) { 1679Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1680instantiated unique items. May block.
1632 }
1633 1681
1634 $map 1682=cut
1683
1684sub unique_maps() {
1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1686 or return;
1687
1688 my @paths;
1689
1690 for (@$files) {
1691 utf8::decode $_;
1692 next if /\.pst$/;
1693 next unless /^$PATH_SEP/o;
1694
1695 push @paths, cf::map::normalise $_;
1696 }
1697
1698 \@paths
1635} 1699}
1636 1700
1637package cf; 1701package cf;
1638 1702
1639=back 1703=back
1711 1775
1712=item $player_object->enter_link 1776=item $player_object->enter_link
1713 1777
1714Freezes 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}>).
1715 1779
1716The 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
1717I<MUST> call C<leave_link> as soon as possible, though. 1781I<MUST> call C<leave_link> as soon as possible, though.
1718 1782
1783Will never block.
1784
1719=item $player_object->leave_link ($map, $x, $y) 1785=item $player_object->leave_link ($map, $x, $y)
1720 1786
1721Moves the player out of the specila link map onto the given map. If the 1787Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1788map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1789to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1790fails, to the emergency map position.
1725 1791
1726Might block. 1792Might block.
1727 1793
1728=cut 1794=cut
1795
1796sub link_map {
1797 unless ($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 $LINK_MAP
1804}
1729 1805
1730sub cf::object::player::enter_link { 1806sub cf::object::player::enter_link {
1731 my ($self) = @_; 1807 my ($self) = @_;
1732 1808
1733 $self->deactivate_recursive; 1809 $self->deactivate_recursive;
1734 1810
1735 return if $self->map == $LINK_MAP; 1811 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1812
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1814 if $self->map;
1739 1815
1740 $self->enter_map ($LINK_MAP, 20, 20); 1816 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1817}
1742 1818
1743sub cf::object::player::leave_link { 1819sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1820 my ($self, $map, $x, $y) = @_;
1745 1821
1767 $map->load; 1843 $map->load;
1768 $map->load_diag; 1844 $map->load_diag;
1769 1845
1770 return unless $self->contr->active; 1846 return unless $self->contr->active;
1771 $self->activate_recursive; 1847 $self->activate_recursive;
1848
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1850 $self->enter_map ($map, $x, $y);
1773} 1851}
1774 1852
1775cf::player->attach ( 1853cf::player->attach (
1776 on_logout => sub { 1854 on_logout => sub {
1789 # try to abort aborted map switching on player login :) 1867 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1868 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1869 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1870 $pl->ob->enter_link;
1793 (async { 1871 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef, 1872 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1873 "There was an internal problem at your last logout, "
1798 . "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.",
1799 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
1800 Coro::Timer::sleep 1; 1878 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1879 $pl->ob->leave_link;
1802 })->prio (2); 1880 })->prio (2);
1803 } 1881 }
1804 }, 1882 },
1809=cut 1887=cut
1810 1888
1811sub cf::object::player::goto { 1889sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1890 my ($self, $path, $x, $y) = @_;
1813 1891
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1892 $self->enter_link;
1818 1893
1819 (async { 1894 (async {
1895 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1896 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1897 $map = $map->customise_for ($self) if $map;
1822 1898 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1899 } or
1824# if $map;
1825
1826 $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);
1827 1901
1828 $self->leave_link ($map, $x, $y); 1902 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1903 })->prio (1);
1830} 1904}
1831 1905
1835 1909
1836sub parse_random_map_params { 1910sub parse_random_map_params {
1837 my ($spec) = @_; 1911 my ($spec) = @_;
1838 1912
1839 my $rmp = { # defaults 1913 my $rmp = { # defaults
1840 xsize => 10, 1914 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1915 ysize => (cf::rndm 15, 40),
1916 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1917 #layout => string,
1842 }; 1918 };
1843 1919
1844 for (split /\n/, $spec) { 1920 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1921 my ($k, $v) = split /\s+/, $_, 2;
1846 1922
1850 $rmp 1926 $rmp
1851} 1927}
1852 1928
1853sub prepare_random_map { 1929sub prepare_random_map {
1854 my ($exit) = @_; 1930 my ($exit) = @_;
1931
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1933
1856 # all this does is basically replace the /! path by 1934 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1935 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1936 # that depends on the exit object
1859 1937
1860 my $rmp = parse_random_map_params $exit->msg; 1938 my $rmp = parse_random_map_params $exit->msg;
1861 1939
1862 if ($exit->map) { 1940 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1941 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1942 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1943 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1944 $rmp->{origin_y} = $exit->y;
1867 } 1945 }
1868 1946
1869 $rmp->{random_seed} ||= $exit->random_seed; 1947 $rmp->{random_seed} ||= $exit->random_seed;
1870 1948
1871 my $data = cf::to_json $rmp; 1949 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1950 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1952
1874 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) {
1875 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;
1876 1957
1877 $exit->slaying ("?random/$md5"); 1958 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1959 $exit->msg (undef);
1879 } 1960 }
1880} 1961}
1881 1962
1882sub cf::object::player::enter_exit { 1963sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1964 my ($self, $exit) = @_;
1884 1965
1885 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;
1886 1978
1887 $self->enter_link; 1979 $self->enter_link;
1888 1980
1889 (async { 1981 (async {
1890 $self->deactivate_recursive; # just to be sure 1982 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1983 unless (eval {
1892 prepare_random_map $exit 1984 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1985
1898 1; 1986 1;
1899 }) { 1987 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1988 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "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. "
1902 . "Please report this to the dungeon master", 1990 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1991 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1992
1905 warn "ERROR in enter_exit: $@"; 1993 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1994 $self->leave_link;
1907 } 1995 }
1908 })->prio (1); 1996 })->prio (1);
1921 2009
1922sub cf::client::send_drawinfo { 2010sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2011 my ($self, $text, $flags) = @_;
1924 2012
1925 utf8::encode $text; 2013 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2014 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2015}
1928 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}
1929 2029
1930=item $success = $client->query ($flags, "text", \&cb) 2030=item $success = $client->query ($flags, "text", \&cb)
1931 2031
1932Queues a query to the client, calling the given callback with 2032Queues a query to the client, calling the given callback with
1933the 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>,
1962 # get handled first 2062 # get handled first
1963 my $queue = delete $ns->{query_queue} 2063 my $queue = delete $ns->{query_queue}
1964 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
1965 2065
1966 (shift @$queue)->[1]->($msg); 2066 (shift @$queue)->[1]->($msg);
2067 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2068
1968 push @{ $ns->{query_queue} }, @$queue; 2069 push @{ $ns->{query_queue} }, @$queue;
1969 2070
1970 if (@{ $ns->{query_queue} } == @$queue) { 2071 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2072 if (@$queue) {
2029 2130
2030# here we export the classes and methods available to script code 2131# here we export the classes and methods available to script code
2031 2132
2032=pod 2133=pod
2033 2134
2034The following fucntions and emthods are available within a safe environment: 2135The following functions and methods are available within a safe environment:
2035 2136
2036 cf::object contr pay_amount pay_player map 2137 cf::object contr pay_amount pay_player map
2037 cf::object::player player 2138 cf::object::player player
2038 cf::player peaceful 2139 cf::player peaceful
2039 cf::map trigger 2140 cf::map trigger
2132The 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
2133using it, it should be unique. 2234using it, it should be unique.
2134 2235
2135=over 4 2236=over 4
2136 2237
2137=item $hashref = cf::db_get $family
2138
2139Return a hashref for use by the extension C<$family>, which can be
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142
2143=item $value = cf::db_get $family => $key 2238=item $value = cf::db_get $family => $key
2144 2239
2145Returns a single value from the database 2240Returns a single value from the database.
2146
2147=item cf::db_put $family => $hashref
2148
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151 2241
2152=item cf::db_put $family => $key => $value 2242=item cf::db_put $family => $key => $value
2153 2243
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2244Stores the given C<$value> in the family.
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164 2245
2165=cut 2246=cut
2166 2247
2167our $DB; 2248our $DB;
2168 2249
2169{ 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
2170 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;
2171 2269
2172 sub db_load() { 2270 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2271 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2272 cf::db_put (rent => balance => $pst->{rent}{balance});
2273 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2274
2176 my $pid; 2275 unlink $path;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 } 2276 };
2186 } 2277 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 }); 2278 }
2279}
2198 2280
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 }
2203
2204 sub db_get($;$) { 2281sub db_get($$) {
2205 @_ >= 2 2282 my $key = "$_[0]/$_[1]";
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209 2283
2284 cf::sync_job {
2285 BDB::db_get $DB, undef, $key, my $data;
2286
2287 $! ? ()
2288 : Compress::LZF::sthaw $data
2289 }
2290}
2291
2210 sub db_put($$;$) { 2292sub db_put($$$) {
2211 if (@_ >= 3) { 2293 BDB::dbreq_pri 4;
2212 $DB->{$_[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;
2213 } else { 2331 } else {
2214 $DB->{$_[0]} = $_[1]; 2332 warn "smooth face '$info->{smooth}' not found for face '$face'";
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 2333 }
2224 ); 2334 Coro::cede;
2225} 2335 }
2226 2336
2227############################################################################# 2337 1
2228# 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}
2229 2350
2230sub cfg_load { 2351sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2352 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2353 or return;
2233 2354
2250 2371
2251sub main { 2372sub main {
2252 # we must not ever block the main coroutine 2373 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2374 local $Coro::idle = sub {
2254 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 {
2255 async { Event::one_event }; 2377 Event::one_event;
2378 })->prio (Coro::PRIO_MAX);
2256 }; 2379 };
2257 2380
2258 cfg_load; 2381 cfg_load;
2259 db_load; 2382 db_init;
2260 load_extensions; 2383 load_extensions;
2384
2385 $TICK_WATCHER->start;
2261 Event::loop; 2386 Event::loop;
2262} 2387}
2263 2388
2264############################################################################# 2389#############################################################################
2265# initialisation and cleanup 2390# initialisation and cleanup
2266 2391
2267# install some emergency cleanup handlers 2392# install some emergency cleanup handlers
2268BEGIN { 2393BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2394 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2395 Event->signal (
2396 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2397 data => WF_AUTOCANCEL,
2272 signal => $signal, 2398 signal => $signal,
2399 prio => 0,
2273 cb => sub { 2400 cb => sub {
2274 cf::cleanup "SIG$signal"; 2401 cf::cleanup "SIG$signal";
2275 }, 2402 },
2276 ); 2403 );
2277 } 2404 }
2278} 2405}
2283 warn "enter emergency perl save\n"; 2410 warn "enter emergency perl save\n";
2284 2411
2285 cf::sync_job { 2412 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2413 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2414 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2415 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2416 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2417 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2418 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2419 $pl->valid or next;
2293 $pl->save; 2420 $pl->save;
2299 my $map = $cf::MAP{$path} or next; 2426 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2427 $map->valid or next;
2301 $map->save; 2428 $map->save;
2302 } 2429 }
2303 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 $DB_ENV;
2434 warn "end emergency database checkpoint\n";
2304 }; 2435 };
2305 2436
2306 warn "leave emergency perl save\n"; 2437 warn "leave emergency perl save\n";
2438}
2439
2440sub post_cleanup {
2441 my ($make_core) = @_;
2442
2443 warn Carp::longmess "post_cleanup backtrace"
2444 if $make_core;
2307} 2445}
2308 2446
2309sub reload() { 2447sub reload() {
2310 # can/must only be called in main 2448 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2449 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2450 warn "can only reload from main coroutine";
2313 return; 2451 return;
2314 } 2452 }
2315 2453
2316 warn "reloading..."; 2454 warn "reloading...";
2317 2455
2318 my $guard = freeze_mainloop; 2456 warn "entering sync_job";
2457
2458 cf::sync_job {
2459 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2460 cf::emergency_save;
2461 cf::write_runtime; # external watchdog should not bark
2320 2462
2321 eval { 2463 warn "syncing database to disk";
2464 BDB::db_env_txn_checkpoint $DB_ENV;
2465
2322 # 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
2323 2467
2324 # cancel all watchers 2468 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2469 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2470 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2471 }
2328 2472
2473 warn "flushing outstanding aio requests";
2474 for (;;) {
2475 BDB::flush;
2476 IO::AIO::flush;
2477 Coro::cede;
2478 last unless IO::AIO::nreqs || BDB::nreqs;
2479 warn "iterate...";
2480 }
2481
2482 ++$RELOAD;
2483
2329 # cancel all extension coros 2484 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2485 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2486 %EXT_CORO = ();
2332 2487
2333 # unload all extensions 2488 warn "removing commands";
2334 for (@exts) { 2489 %COMMAND = ();
2490
2491 warn "removing ext commands";
2492 %EXTCMD = ();
2493
2494 warn "unloading/nuking all extensions";
2495 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2496 warn "... unloading $pkg";
2336 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: $@";
2337 } 2503 }
2338 2504
2505 warn "... nuking $pkg";
2506 Symbol::delete_package $pkg;
2507 }
2508
2339 # unload all modules loaded from $LIBDIR 2509 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2510 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2512
2343 warn "removing <$k>"; 2513 warn "... unloading $k";
2344 delete $INC{$k}; 2514 delete $INC{$k};
2345 2515
2346 $k =~ s/\.pm$//; 2516 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2517 $k =~ s/\//::/g;
2348 2518
2351 } 2521 }
2352 2522
2353 Symbol::delete_package $k; 2523 Symbol::delete_package $k;
2354 } 2524 }
2355 2525
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2526 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2527 Symbol::delete_package "safe::$_"
2362 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);
2363 2529
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2530 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2531 delete $INC{"cf.pm"};
2369 2532
2370 # don't, removes xs symbols, too, 2533 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2534 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2535 #Symbol::delete_package __PACKAGE__;
2373 2536
2374 # reload cf.pm 2537 warn "unload completed, starting to reload now";
2538
2375 warn "reloading cf.pm"; 2539 warn "reloading cf.pm";
2376 require cf; 2540 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2541 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2542
2379 # load config and database again 2543 warn "loading config and database again";
2380 cf::cfg_load; 2544 cf::cfg_load;
2381 cf::db_load;
2382 2545
2383 # load extensions
2384 warn "load extensions"; 2546 warn "loading extensions";
2385 cf::load_extensions; 2547 cf::load_extensions;
2386 2548
2387 # reattach attachments to objects 2549 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 2550 _global_reattach; # objects, sockets
2389 _global_reattach; 2551 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2552 reattach $_ for values %MAP;
2391 }; 2553 warn "reattaching attachments to players";
2554 reattach $_ for values %PLAYER;
2392 2555
2393 if ($@) { 2556 warn "loading reloadable resources";
2557 reload_resources;
2558
2559 warn "leaving sync_job";
2560
2561 1
2562 } or do {
2394 warn $@; 2563 warn $@;
2395 warn "error while reloading, exiting."; 2564 warn "error while reloading, exiting.";
2396 exit 1; 2565 exit 1;
2397 } 2566 };
2398 2567
2399 warn "reloaded successfully"; 2568 warn "reloaded";
2400}; 2569};
2401 2570
2402############################################################################# 2571our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($LINK_MAP) {
2405 $LINK_MAP = cf::map::new;
2406
2407 $LINK_MAP->width (41);
2408 $LINK_MAP->height (41);
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10,
2417 cb => sub {
2418 $_[0]->w->cancel;
2419
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 });
2438
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2572
2447register_command "reload" => sub { 2573register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2574 my ($who, $arg) = @_;
2449 2575
2450 if ($who->flag (FLAG_WIZ)) { 2576 if ($who->flag (FLAG_WIZ)) {
2451 $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 {
2452 reload; 2587 reload;
2453 $who->message ("end of reload."); 2588 undef $RELOAD_WATCHER;
2589 },
2590 );
2454 } 2591 }
2455}; 2592};
2456 2593
2457unshift @INC, $LIBDIR; 2594unshift @INC, $LIBDIR;
2595
2596my $bug_warning = 0;
2458 2597
2459$TICK_WATCHER = Event->timer ( 2598$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2599 reentrant => 0,
2600 parked => 1,
2461 prio => 0, 2601 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2602 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2464 cb => sub { 2604 cb => sub {
2605 if ($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
2465 cf::server_tick; # one server iteration 2613 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2614 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2615 $NEXT_TICK += $TICK;
2468 2616
2617 if ($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
2469 $WAIT_FOR_TICK->broadcast; 2625 $WAIT_FOR_TICK->broadcast;
2470 $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#
2471 2630
2472 # 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
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2632 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2633
2475 $TICK_WATCHER->at ($NEXT_TICK); 2634 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2635 $TICK_WATCHER->start;
2477 }, 2636 },
2478); 2637);
2479 2638
2639{
2480IO::AIO::max_poll_time $TICK * 0.2; 2640 BDB::max_poll_time $TICK * 0.1;
2481 2641 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2642 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2643 fd => BDB::poll_fileno,
2484 poll => 'r', 2644 poll => 'r',
2485 prio => 5, 2645 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2646 data => WF_AUTOCANCEL,
2492 after => 0, 2647 cb => \&BDB::poll_cb,
2493 interval => 10, 2648 );
2494 cb => sub { 2649 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2650
2496 write_runtime 2651 BDB::set_sync_prepare {
2497 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 $@;
2498 })->(); 2685 };
2499 }, 2686 }
2500); 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}
2501 2703
2502END { cf::emergency_save } 2704END { cf::emergency_save }
2503 2705
25041 27061
2505 2707

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