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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 1.231 by root, Wed Apr 4 00:02:06 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($$%) {
1261 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1262 1137
1263 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 delete $msg{msgid};
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1264 1155
1265 $self->send ("ext " . cf::to_json \%msg); 1156 $self->send ("ext " . cf::to_json \%msg);
1266} 1157}
1267 1158
1268package cf; 1159package cf;
1279package cf::map; 1170package cf::map;
1280 1171
1281use Fcntl; 1172use Fcntl;
1282use Coro::AIO; 1173use Coro::AIO;
1283 1174
1175use overload
1176 '""' => \&as_string,
1177 fallback => 1;
1178
1284our $MAX_RESET = 3600; 1179our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1180our $DEFAULT_RESET = 3000;
1286 1181
1287sub generate_random_map { 1182sub generate_random_map {
1288 my ($path, $rmp) = @_; 1183 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1184 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1185 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1186 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1187 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1188 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1189 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1190 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1191 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1192 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1193 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1194 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1195 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1196 (cf::region::find $rmp->{region}), $rmp->{custom}
1197 )
1198}
1199
1200=item cf::map->register ($regex, $prio)
1201
1202Register a handler for the map path matching the given regex at the
1203givne priority (higher is better, built-in handlers have priority 0, the
1204default).
1205
1206=cut
1207
1208sub register {
1209 my (undef, $regex, $prio) = @_;
1210 my $pkg = caller;
1211
1212 no strict;
1213 push @{"$pkg\::ISA"}, __PACKAGE__;
1214
1215 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216}
1217
1218# also paths starting with '/'
1219$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1220
1221sub thawer_merge {
1222 my ($self, $merge) = @_;
1223
1224 # we have to keep some variables in memory intact
1225 local $self->{path};
1226 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229
1230 $self->SUPER::thawer_merge ($merge);
1231}
1232
1233sub normalise {
1234 my ($path, $base) = @_;
1235
1236 $path = "$path"; # make sure its a string
1237
1238 $path =~ s/\.map$//;
1239
1240 # map plan:
1241 #
1242 # /! non-realised random map exit (special hack!)
1243 # {... are special paths that are not being touched
1244 # ?xxx/... are special absolute paths
1245 # ?random/... random maps
1246 # /... normal maps
1247 # ~user/... per-player map of a specific user
1248
1249 $path =~ s/$PATH_SEP/\//go;
1250
1251 # treat it as relative path if it starts with
1252 # something that looks reasonable
1253 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1254 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1255
1256 $base =~ s{[^/]+/?$}{};
1257 $path = "$base/$path";
1258 }
1259
1260 for ($path) {
1261 redo if s{//}{/};
1262 redo if s{/\.?/}{/};
1263 redo if s{/[^/]+/\.\./}{/};
1264 }
1265
1266 $path
1267}
1268
1269sub new_from_path {
1270 my (undef, $path, $base) = @_;
1271
1272 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1273
1274 $path = normalise $path, $base;
1275
1276 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1277 if ($path =~ $EXT_MAP{$pkg}[1]) {
1278 my $self = bless cf::map::new, $pkg;
1279 $self->{path} = $path; $self->path ($path);
1280 $self->init; # pass $1 etc.
1281 return $self;
1282 }
1283 }
1284
1285 Carp::carp "unable to resolve path '$path' (base '$base').";
1286 ()
1287}
1288
1289sub init {
1290 my ($self) = @_;
1291
1292 $self
1293}
1294
1295sub as_string {
1296 my ($self) = @_;
1297
1298 "$self->{path}"
1299}
1300
1301# the displayed name, this is a one way mapping
1302sub visible_name {
1303 &as_string
1304}
1305
1306# the original (read-only) location
1307sub load_path {
1308 my ($self) = @_;
1309
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1311}
1312
1313# the temporary/swap location
1314sub save_path {
1315 my ($self) = @_;
1316
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1319}
1320
1321# the unique path, undef == no special unique path
1322sub uniq_path {
1323 my ($self) = @_;
1324
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1327}
1305 1328
1306# and all this just because we cannot iterate over 1329# and all this just because we cannot iterate over
1307# all maps in C++... 1330# all maps in C++...
1308sub change_all_map_light { 1331sub change_all_map_light {
1310 1333
1311 $_->change_map_light ($change) 1334 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1335 for grep $_->outdoor, values %cf::MAP;
1313} 1336}
1314 1337
1338sub unlink_save {
1339 my ($self) = @_;
1340
1341 utf8::encode (my $save = $self->save_path);
1342 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1343 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1344}
1345
1315sub try_load_header($) { 1346sub load_header_from($) {
1316 my ($path) = @_; 1347 my ($self, $path) = @_;
1317 1348
1318 utf8::encode $path; 1349 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1350 #aio_open $path, O_RDONLY, 0
1351 # or return;
1352
1353 $self->_load_header ($path)
1320 or return; 1354 or return;
1321 1355
1322 my $map = cf::map::new 1356 $self->{load_path} = $path;
1357
1358 1
1359}
1360
1361sub load_header_orig {
1362 my ($self) = @_;
1363
1364 $self->load_header_from ($self->load_path)
1365}
1366
1367sub load_header_temp {
1368 my ($self) = @_;
1369
1370 $self->load_header_from ($self->save_path)
1371}
1372
1373sub prepare_temp {
1374 my ($self) = @_;
1375
1376 $self->last_access ((delete $self->{last_access})
1377 || $cf::RUNTIME); #d#
1378 # safety
1379 $self->{instantiate_time} = $cf::RUNTIME
1380 if $self->{instantiate_time} > $cf::RUNTIME;
1381}
1382
1383sub prepare_orig {
1384 my ($self) = @_;
1385
1386 $self->{load_original} = 1;
1387 $self->{instantiate_time} = $cf::RUNTIME;
1388 $self->last_access ($cf::RUNTIME);
1389 $self->instantiate;
1390}
1391
1392sub load_header {
1393 my ($self) = @_;
1394
1395 if ($self->load_header_temp) {
1396 $self->prepare_temp;
1397 } else {
1398 $self->load_header_orig
1323 or return; 1399 or return;
1400 $self->prepare_orig;
1401 }
1324 1402
1325 # for better error messages only, will be overwritten 1403 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1404}
1335 1405
1336sub find; 1406sub find;
1337sub find { 1407sub find {
1338 my ($path, $origin) = @_; 1408 my ($path, $origin) = @_;
1339 1409
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1410 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1411
1345 cf::lock_wait "map_find:$key"; 1412 cf::lock_wait "map_find:$path";
1346 1413
1347 $cf::MAP{$key} || do { 1414 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1415 my $guard = cf::lock_acquire "map_find:$path";
1349 1416 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; 1417 or return;
1369 1418
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; 1419 $map->{last_save} = $cf::RUNTIME;
1382 1420
1383 Coro::cede; 1421 $map->load_header
1422 or return;
1384 1423
1385 if ($map->should_reset) { 1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1427 $map->reset;
1387 undef $guard; 1428 undef $guard;
1388 $map = find $path 1429 return find $path;
1389 or return;
1390 } 1430 }
1391 1431
1392 $cf::MAP{$key} = $map 1432 $cf::MAP{$path} = $map
1393 } 1433 }
1394} 1434}
1435
1436sub pre_load { }
1437sub post_load { }
1395 1438
1396sub load { 1439sub load {
1397 my ($self) = @_; 1440 my ($self) = @_;
1398 1441
1442 local $self->{deny_reset} = 1; # loading can take a long time
1443
1399 my $path = $self->{path}; 1444 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1445 my $guard = cf::lock_acquire "map_load:$path";
1401 1446
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1447 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1448
1404 $self->in_memory (cf::MAP_LOADING); 1449 $self->in_memory (cf::MAP_LOADING);
1405 1450
1406 $self->alloc; 1451 $self->alloc;
1452
1453 $self->pre_load;
1454
1407 $self->load_objects ($self->{load_path}, 1) 1455 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1456 or return;
1409 1457
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1459 if delete $self->{load_original};
1412 1460
1413 if (my $uniq = $path->uniq_path) { 1461 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1462 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1463 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1464 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1465 $self->_load_objects ($uniq, 0);
1418 } 1466 }
1419 } 1467 }
1420 1468
1421 Coro::cede; 1469 Coro::cede;
1422 1470
1423 # now do the right thing for maps 1471 # now do the right thing for maps
1424 $self->link_multipart_objects; 1472 $self->link_multipart_objects;
1425 1473
1426 if ($self->{path}->is_style_map) { 1474 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1475 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1476 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1477 $self->update_buttons;
1478 Coro::cede;
1433 $self->set_darkness_map; 1479 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1480 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1481 unless $self->difficulty;
1482 Coro::cede;
1436 $self->activate; 1483 $self->activate;
1437 } 1484 }
1438 1485
1439 Coro::cede; 1486 $self->post_load;
1440 1487
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489}
1490
1491sub customise_for {
1492 my ($self, $ob) = @_;
1493
1494 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player;
1496
1497 $self
1442} 1498}
1443 1499
1444# find and load all maps in the 3x3 area around a map 1500# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1501sub load_diag {
1446 my ($map) = @_; 1502 my ($map) = @_;
1476 1532
1477 cf::sync_job { $map->load }; 1533 cf::sync_job { $map->load };
1478} 1534}
1479 1535
1480our %MAP_PREFETCH; 1536our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1537our $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 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1538
1496sub find_async { 1539sub find_async {
1497 my ($path, $origin) = @_; 1540 my ($path, $origin) = @_;
1498 1541
1499 $path = new cf::path $path, $origin && $origin->path; 1542 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1543
1502 if (my $map = $cf::MAP{$key}) { 1544 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1545 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1546 }
1505 1547
1506 $MAP_PREFETCH{$key} = $path; 1548 undef $MAP_PREFETCH{$path};
1549 $MAP_PREFETCHER ||= cf::async {
1550 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) {
1552 my $map = find $path
1553 or next;
1554 $map->load;
1555
1556 delete $MAP_PREFETCH{$path};
1557 }
1558 }
1559 undef $MAP_PREFETCHER;
1560 };
1507 $MAP_PREFETCHER->ready; 1561 $MAP_PREFETCHER->prio (6);
1508 1562
1509 () 1563 ()
1510} 1564}
1511 1565
1512sub save { 1566sub save {
1516 1570
1517 $self->{last_save} = $cf::RUNTIME; 1571 $self->{last_save} = $cf::RUNTIME;
1518 1572
1519 return unless $self->dirty; 1573 return unless $self->dirty;
1520 1574
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1575 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1576 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1577
1524 $self->{load_path} = $save; 1578 $self->{load_path} = $save;
1525 1579
1526 return if $self->{deny_save}; 1580 return if $self->{deny_save};
1527 1581
1530 cf::async { 1584 cf::async {
1531 $_->contr->save for $self->players; 1585 $_->contr->save for $self->players;
1532 }; 1586 };
1533 1587
1534 if ($uniq) { 1588 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1589 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1590 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1591 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1593 }
1540} 1594}
1541 1595
1542sub swap_out { 1596sub swap_out {
1543 my ($self) = @_; 1597 my ($self) = @_;
1557 1611
1558sub reset_at { 1612sub reset_at {
1559 my ($self) = @_; 1613 my ($self) = @_;
1560 1614
1561 # TODO: safety, remove and allow resettable per-player maps 1615 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1617 return 1e99 if $self->{deny_reset};
1564 1618
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1621
1572 my ($self) = @_; 1626 my ($self) = @_;
1573 1627
1574 $self->reset_at <= $cf::RUNTIME 1628 $self->reset_at <= $cf::RUNTIME
1575} 1629}
1576 1630
1577sub unlink_save {
1578 my ($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 $self->save;
1596}
1597
1598sub reset { 1631sub reset {
1599 my ($self) = @_; 1632 my ($self) = @_;
1600 1633
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1634 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1635
1603 return if $self->players; 1636 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1637 return if $self->isa ("ext::map_per_player");#d#
1605 1638
1606 warn "resetting map ", $self->path;#d# 1639 warn "resetting map ", $self->path;#d#
1607 1640
1641 $self->in_memory (cf::MAP_SWAPPED);
1642
1643 # need to save uniques path
1644 unless ($self->{deny_save}) {
1645 my $uniq = $self->uniq_path; utf8::encode $uniq;
1646
1647 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1648 if $uniq;
1649 }
1650
1608 delete $cf::MAP{$self->path}; 1651 delete $cf::MAP{$self->path};
1652
1653 $self->clear;
1609 1654
1610 $_->clear_links_to ($self) for values %cf::MAP; 1655 $_->clear_links_to ($self) for values %cf::MAP;
1611 1656
1612 $self->unlink_save; 1657 $self->unlink_save;
1613 $self->destroy; 1658 $self->destroy;
1616my $nuke_counter = "aaaa"; 1661my $nuke_counter = "aaaa";
1617 1662
1618sub nuke { 1663sub nuke {
1619 my ($self) = @_; 1664 my ($self) = @_;
1620 1665
1666 delete $cf::MAP{$self->path};
1667
1668 $self->unlink_save;
1669
1670 bless $self, "cf::map";
1671 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1672 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1673 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1674 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675
1676 $cf::MAP{$self->path} = $self;
1677
1624 $self->reset; # polite request, might not happen 1678 $self->reset; # polite request, might not happen
1625} 1679}
1626 1680
1627sub customise_for { 1681=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1682
1630 if ($map->per_player) { 1683Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1684instantiated unique items. May block.
1632 }
1633 1685
1634 $map 1686=cut
1687
1688sub unique_maps() {
1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1690 or return;
1691
1692 my @paths;
1693
1694 for (@$files) {
1695 utf8::decode $_;
1696 next if /\.pst$/;
1697 next unless /^$PATH_SEP/o;
1698
1699 push @paths, cf::map::normalise $_;
1700 }
1701
1702 \@paths
1635} 1703}
1636 1704
1637package cf; 1705package cf;
1638 1706
1639=back 1707=back
1711 1779
1712=item $player_object->enter_link 1780=item $player_object->enter_link
1713 1781
1714Freezes the player and moves him/her to a special map (C<{link}>). 1782Freezes the player and moves him/her to a special map (C<{link}>).
1715 1783
1716The player should be reaosnably safe there for short amounts of time. You 1784The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1785I<MUST> call C<leave_link> as soon as possible, though.
1718 1786
1787Will never block.
1788
1719=item $player_object->leave_link ($map, $x, $y) 1789=item $player_object->leave_link ($map, $x, $y)
1720 1790
1721Moves the player out of the specila link map onto the given map. If the 1791Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1792map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1793to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1794fails, to the emergency map position.
1725 1795
1726Might block. 1796Might block.
1727 1797
1728=cut 1798=cut
1799
1800sub link_map {
1801 unless ($LINK_MAP) {
1802 $LINK_MAP = cf::map::find "{link}"
1803 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1804 $LINK_MAP->load;
1805 }
1806
1807 $LINK_MAP
1808}
1729 1809
1730sub cf::object::player::enter_link { 1810sub cf::object::player::enter_link {
1731 my ($self) = @_; 1811 my ($self) = @_;
1732 1812
1733 $self->deactivate_recursive; 1813 $self->deactivate_recursive;
1734 1814
1735 return if $self->map == $LINK_MAP; 1815 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1816
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1818 if $self->map;
1739 1819
1740 $self->enter_map ($LINK_MAP, 20, 20); 1820 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1821}
1742 1822
1743sub cf::object::player::leave_link { 1823sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1824 my ($self, $map, $x, $y) = @_;
1745 1825
1767 $map->load; 1847 $map->load;
1768 $map->load_diag; 1848 $map->load_diag;
1769 1849
1770 return unless $self->contr->active; 1850 return unless $self->contr->active;
1771 $self->activate_recursive; 1851 $self->activate_recursive;
1852
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1854 $self->enter_map ($map, $x, $y);
1773} 1855}
1774 1856
1775cf::player->attach ( 1857cf::player->attach (
1776 on_logout => sub { 1858 on_logout => sub {
1789 # try to abort aborted map switching on player login :) 1871 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1872 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1873 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1874 $pl->ob->enter_link;
1793 (async { 1875 (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, 1876 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1877 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.", 1878 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED); 1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1800 Coro::Timer::sleep 1; 1882 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1883 $pl->ob->leave_link;
1802 })->prio (2); 1884 })->prio (2);
1803 } 1885 }
1804 }, 1886 },
1809=cut 1891=cut
1810 1892
1811sub cf::object::player::goto { 1893sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1894 my ($self, $path, $x, $y) = @_;
1813 1895
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1896 $self->enter_link;
1818 1897
1819 (async { 1898 (async {
1899 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1900 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1901 $map = $map->customise_for ($self) if $map;
1822 1902 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1903 } or
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827 1905
1828 $self->leave_link ($map, $x, $y); 1906 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1907 })->prio (1);
1830} 1908}
1831 1909
1835 1913
1836sub parse_random_map_params { 1914sub parse_random_map_params {
1837 my ($spec) = @_; 1915 my ($spec) = @_;
1838 1916
1839 my $rmp = { # defaults 1917 my $rmp = { # defaults
1840 xsize => 10, 1918 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1919 ysize => (cf::rndm 15, 40),
1920 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1921 #layout => string,
1842 }; 1922 };
1843 1923
1844 for (split /\n/, $spec) { 1924 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1925 my ($k, $v) = split /\s+/, $_, 2;
1846 1926
1850 $rmp 1930 $rmp
1851} 1931}
1852 1932
1853sub prepare_random_map { 1933sub prepare_random_map {
1854 my ($exit) = @_; 1934 my ($exit) = @_;
1935
1936 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1937
1856 # all this does is basically replace the /! path by 1938 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1939 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1940 # that depends on the exit object
1859 1941
1860 my $rmp = parse_random_map_params $exit->msg; 1942 my $rmp = parse_random_map_params $exit->msg;
1861 1943
1862 if ($exit->map) { 1944 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1945 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1946 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1947 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1948 $rmp->{origin_y} = $exit->y;
1867 } 1949 }
1868 1950
1869 $rmp->{random_seed} ||= $exit->random_seed; 1951 $rmp->{random_seed} ||= $exit->random_seed;
1870 1952
1871 my $data = cf::to_json $rmp; 1953 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1954 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1956
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1958 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh;
1960 aio_rename "$meta~", $meta;
1876 1961
1877 $exit->slaying ("?random/$md5"); 1962 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1963 $exit->msg (undef);
1879 } 1964 }
1880} 1965}
1881 1966
1882sub cf::object::player::enter_exit { 1967sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1968 my ($self, $exit) = @_;
1884 1969
1885 return unless $self->type == cf::PLAYER; 1970 return unless $self->type == cf::PLAYER;
1971
1972 if ($exit->slaying eq "/!") {
1973 #TODO: this should de-fi-ni-te-ly not be a sync-job
1974 cf::sync_job { prepare_random_map $exit };
1975 }
1976
1977 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp;
1886 1980
1887 $self->enter_link; 1981 $self->enter_link;
1888 1982
1889 (async { 1983 (async {
1890 $self->deactivate_recursive; # just to be sure 1984 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1985 unless (eval {
1892 prepare_random_map $exit 1986 $self->goto ($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 1987
1898 1; 1988 1;
1899 }) { 1989 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1990 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1991 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1992 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1993 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1994
1905 warn "ERROR in enter_exit: $@"; 1995 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1996 $self->leave_link;
1907 } 1997 }
1921 2011
1922sub cf::client::send_drawinfo { 2012sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2013 my ($self, $text, $flags) = @_;
1924 2014
1925 utf8::encode $text; 2015 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2016 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2017}
1928 2018
1929 2019
1930=item $success = $client->query ($flags, "text", \&cb) 2020=item $success = $client->query ($flags, "text", \&cb)
1931 2021
1962 # get handled first 2052 # get handled first
1963 my $queue = delete $ns->{query_queue} 2053 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2054 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2055
1966 (shift @$queue)->[1]->($msg); 2056 (shift @$queue)->[1]->($msg);
2057 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2058
1968 push @{ $ns->{query_queue} }, @$queue; 2059 push @{ $ns->{query_queue} }, @$queue;
1969 2060
1970 if (@{ $ns->{query_queue} } == @$queue) { 2061 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2062 if (@$queue) {
2029 2120
2030# here we export the classes and methods available to script code 2121# here we export the classes and methods available to script code
2031 2122
2032=pod 2123=pod
2033 2124
2034The following fucntions and emthods are available within a safe environment: 2125The following functions and methods are available within a safe environment:
2035 2126
2036 cf::object contr pay_amount pay_player map 2127 cf::object contr pay_amount pay_player map
2037 cf::object::player player 2128 cf::object::player player
2038 cf::player peaceful 2129 cf::player peaceful
2039 cf::map trigger 2130 cf::map trigger
2132The parameter C<$family> should best start with the name of the extension 2223The parameter C<$family> should best start with the name of the extension
2133using it, it should be unique. 2224using it, it should be unique.
2134 2225
2135=over 4 2226=over 4
2136 2227
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 2228=item $value = cf::db_get $family => $key
2144 2229
2145Returns a single value from the database 2230Returns 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 2231
2152=item cf::db_put $family => $key => $value 2232=item cf::db_put $family => $key => $value
2153 2233
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2234Stores 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 2235
2165=cut 2236=cut
2166 2237
2167our $DB; 2238our $DB;
2168 2239
2169{ 2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
2170 my $path = cf::localdir . "/database.pst"; 2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2171 2259
2172 sub db_load() { 2260 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2261 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2264
2176 my $pid; 2265 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 } 2266 };
2186 } 2267 }
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 }); 2268 }
2269}
2198 2270
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 }
2203
2204 sub db_get($;$) { 2271sub db_get($$) {
2205 @_ >= 2 2272 my $key = "$_[0]/$_[1]";
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209 2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2210 sub db_put($$;$) { 2282sub db_put($$$) {
2211 if (@_ >= 3) { 2283 BDB::dbreq_pri 4;
2212 $DB->{$_[0]}{$_[1]} = $_[2]; 2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions
2289
2290sub load_facedata {
2291 my $path = sprintf "%s/facedata", cf::datadir;
2292
2293 warn "loading facedata from $path\n";
2294
2295 my $faces;
2296 0 < aio_load $path, $faces
2297 or die "$path: $!";
2298
2299 Coro::cede;
2300 $faces = Storable::thaw $faces;
2301 Coro::cede;
2302
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1
2305 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306
2307 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2312 Coro::cede;
2313 }
2314
2315 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth};
2317 my $idx = cf::face::find $face
2318 or next;
2319 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth;
2213 } else { 2321 } else {
2214 $DB->{$_[0]} = $_[1]; 2322 warn "smooth face '$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 }, 2323 }
2224 ); 2324 Coro::cede;
2225} 2325 }
2226 2326
2227############################################################################# 2327 1
2228# the server's main() 2328}
2329
2330sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2332 or die "unable to load regions file\n";#d#
2333 load_facedata
2334 or die "unable to load facedata\n";#d#
2335}
2336
2337sub init {
2338 reload_resources;
2339}
2229 2340
2230sub cfg_load { 2341sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2342 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2343 or return;
2233 2344
2250 2361
2251sub main { 2362sub main {
2252 # we must not ever block the main coroutine 2363 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2364 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2365 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366 (async {
2255 async { Event::one_event }; 2367 Event::one_event;
2368 })->prio (Coro::PRIO_MAX);
2256 }; 2369 };
2257 2370
2258 cfg_load; 2371 cfg_load;
2259 db_load; 2372 db_init;
2260 load_extensions; 2373 load_extensions;
2374
2375 $TICK_WATCHER->start;
2261 Event::loop; 2376 Event::loop;
2262} 2377}
2263 2378
2264############################################################################# 2379#############################################################################
2265# initialisation and cleanup 2380# initialisation and cleanup
2266 2381
2267# install some emergency cleanup handlers 2382# install some emergency cleanup handlers
2268BEGIN { 2383BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2384 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2385 Event->signal (
2386 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2387 data => WF_AUTOCANCEL,
2272 signal => $signal, 2388 signal => $signal,
2389 prio => 0,
2273 cb => sub { 2390 cb => sub {
2274 cf::cleanup "SIG$signal"; 2391 cf::cleanup "SIG$signal";
2275 }, 2392 },
2276 ); 2393 );
2277 } 2394 }
2278} 2395}
2283 warn "enter emergency perl save\n"; 2400 warn "enter emergency perl save\n";
2284 2401
2285 cf::sync_job { 2402 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2403 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2404 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2405 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2406 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2407 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2408 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2409 $pl->valid or next;
2293 $pl->save; 2410 $pl->save;
2299 my $map = $cf::MAP{$path} or next; 2416 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2417 $map->valid or next;
2301 $map->save; 2418 $map->save;
2302 } 2419 }
2303 warn "end emergency map save\n"; 2420 warn "end emergency map save\n";
2421
2422 warn "begin emergency database checkpoint\n";
2423 BDB::db_env_txn_checkpoint $DB_ENV;
2424 warn "end emergency database checkpoint\n";
2304 }; 2425 };
2305 2426
2306 warn "leave emergency perl save\n"; 2427 warn "leave emergency perl save\n";
2428}
2429
2430sub post_cleanup {
2431 my ($make_core) = @_;
2432
2433 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core;
2307} 2435}
2308 2436
2309sub reload() { 2437sub reload() {
2310 # can/must only be called in main 2438 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2439 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2440 warn "can only reload from main coroutine";
2313 return; 2441 return;
2314 } 2442 }
2315 2443
2316 warn "reloading..."; 2444 warn "reloading...";
2317 2445
2318 my $guard = freeze_mainloop; 2446 warn "entering sync_job";
2447
2448 cf::sync_job {
2449 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2450 cf::emergency_save;
2451 cf::write_runtime; # external watchdog should not bark
2320 2452
2321 eval { 2453 warn "syncing database to disk";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455
2322 # if anything goes wrong in here, we should simply crash as we already saved 2456 # if anything goes wrong in here, we should simply crash as we already saved
2323 2457
2324 # cancel all watchers 2458 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2459 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2460 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2461 }
2328 2462
2463 warn "flushing outstanding aio requests";
2464 for (;;) {
2465 BDB::flush;
2466 IO::AIO::flush;
2467 Coro::cede;
2468 last unless IO::AIO::nreqs || BDB::nreqs;
2469 warn "iterate...";
2470 }
2471
2472 ++$RELOAD;
2473
2329 # cancel all extension coros 2474 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2475 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2476 %EXT_CORO = ();
2332 2477
2333 # unload all extensions 2478 warn "removing commands";
2334 for (@exts) { 2479 %COMMAND = ();
2480
2481 warn "removing ext commands";
2482 %EXTCMD = ();
2483
2484 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2486 warn "... unloading $pkg";
2336 unload_extension $_; 2487
2488 if (my $cb = $pkg->can ("unload")) {
2489 eval {
2490 $cb->($pkg);
2491 1
2492 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2493 }
2338 2494
2495 warn "... nuking $pkg";
2496 Symbol::delete_package $pkg;
2497 }
2498
2339 # unload all modules loaded from $LIBDIR 2499 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2500 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2501 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2502
2343 warn "removing <$k>"; 2503 warn "... unloading $k";
2344 delete $INC{$k}; 2504 delete $INC{$k};
2345 2505
2346 $k =~ s/\.pm$//; 2506 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2507 $k =~ s/\//::/g;
2348 2508
2351 } 2511 }
2352 2512
2353 Symbol::delete_package $k; 2513 Symbol::delete_package $k;
2354 } 2514 }
2355 2515
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2516 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2517 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2518 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2519
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2520 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2521 delete $INC{"cf.pm"};
2369 2522
2370 # don't, removes xs symbols, too, 2523 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2524 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2525 #Symbol::delete_package __PACKAGE__;
2373 2526
2374 # reload cf.pm 2527 warn "unload completed, starting to reload now";
2528
2375 warn "reloading cf.pm"; 2529 warn "reloading cf.pm";
2376 require cf; 2530 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2532
2379 # load config and database again 2533 warn "loading config and database again";
2380 cf::cfg_load; 2534 cf::cfg_load;
2381 cf::db_load;
2382 2535
2383 # load extensions
2384 warn "load extensions"; 2536 warn "loading extensions";
2385 cf::load_extensions; 2537 cf::load_extensions;
2386 2538
2387 # reattach attachments to objects 2539 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 2540 _global_reattach; # objects, sockets
2389 _global_reattach; 2541 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2542 reattach $_ for values %MAP;
2391 }; 2543 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER;
2392 2545
2393 if ($@) { 2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job";
2550
2551 1
2552 } or do {
2394 warn $@; 2553 warn $@;
2395 warn "error while reloading, exiting."; 2554 warn "error while reloading, exiting.";
2396 exit 1; 2555 exit 1;
2397 } 2556 };
2398 2557
2399 warn "reloaded successfully"; 2558 warn "reloaded";
2400}; 2559};
2401 2560
2402############################################################################# 2561our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($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} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2562
2447register_command "reload" => sub { 2563register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2564 my ($who, $arg) = @_;
2449 2565
2450 if ($who->flag (FLAG_WIZ)) { 2566 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2567 $who->message ("reloading server.");
2568
2569 # doing reload synchronously and two reloads happen back-to-back,
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2452 reload; 2577 reload;
2453 $who->message ("end of reload."); 2578 undef $RELOAD_WATCHER;
2579 },
2580 );
2454 } 2581 }
2455}; 2582};
2456 2583
2457unshift @INC, $LIBDIR; 2584unshift @INC, $LIBDIR;
2585
2586my $bug_warning = 0;
2458 2587
2459$TICK_WATCHER = Event->timer ( 2588$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2589 reentrant => 0,
2590 parked => 1,
2461 prio => 0, 2591 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2592 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2593 data => WF_AUTOCANCEL,
2464 cb => sub { 2594 cb => sub {
2595 if ($Coro::current != $Coro::main) {
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10;
2598 return;
2599 }
2600
2601 $NOW = Event::time;
2602
2465 cf::server_tick; # one server iteration 2603 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2604 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2605 $NEXT_TICK += $TICK;
2468 2606
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10;
2609 Coro::async_pool {
2610 write_runtime
2611 or warn "ERROR: unable to write runtime file: $!";
2612 };
2613 }
2614
2469 $WAIT_FOR_TICK->broadcast; 2615 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d#
2471 2620
2472 # if we are delayed by four ticks or more, skip them all 2621 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2623
2475 $TICK_WATCHER->at ($NEXT_TICK); 2624 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2625 $TICK_WATCHER->start;
2477 }, 2626 },
2478); 2627);
2479 2628
2629{
2480IO::AIO::max_poll_time $TICK * 0.2; 2630 BDB::max_poll_time $TICK * 0.1;
2481 2631 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2632 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2633 fd => BDB::poll_fileno,
2484 poll => 'r', 2634 poll => 'r',
2485 prio => 5, 2635 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2636 data => WF_AUTOCANCEL,
2492 after => 0, 2637 cb => \&BDB::poll_cb,
2493 interval => 10, 2638 );
2494 cb => sub { 2639 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2640
2496 write_runtime 2641 BDB::set_sync_prepare {
2497 or warn "ERROR: unable to write runtime file: $!"; 2642 my $status;
2643 my $current = $Coro::current;
2644 (
2645 sub {
2646 $status = $!;
2647 $current->ready; undef $current;
2648 },
2649 sub {
2650 Coro::schedule while defined $current;
2651 $! = $status;
2652 },
2653 )
2654 };
2655
2656 unless ($DB_ENV) {
2657 $DB_ENV = BDB::db_env_create;
2658
2659 cf::sync_job {
2660 eval {
2661 BDB::db_env_open
2662 $DB_ENV,
2663 $BDB_ENV_DIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666;
2667
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2669
2670 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671 $DB_ENV->set_lk_detect;
2672 };
2673
2674 cf::cleanup "db_env_open(db): $@" if $@;
2498 })->(); 2675 };
2499 }, 2676 }
2500); 2677}
2678
2679{
2680 IO::AIO::min_parallel 8;
2681
2682 undef $Coro::AIO::WATCHER;
2683 IO::AIO::max_poll_time $TICK * 0.1;
2684 $AIO_POLL_WATCHER = Event->io (
2685 reentrant => 0,
2686 data => WF_AUTOCANCEL,
2687 fd => IO::AIO::poll_fileno,
2688 poll => 'r',
2689 prio => 6,
2690 cb => \&IO::AIO::poll_cb,
2691 );
2692}
2501 2693
2502END { cf::emergency_save } 2694END { cf::emergency_save }
2503 2695
25041 26961
2505 2697

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