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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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;
21use Coro::Storable;
19 22
23use BDB ();
20use Data::Dumper; 24use Data::Dumper;
21use Digest::MD5; 25use Digest::MD5;
22use Fcntl; 26use Fcntl;
27use YAML::Syck ();
23use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
26 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 39
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
33 42
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 44
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46
36our %COMMAND = (); 47our %COMMAND = ();
37our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
39 54
55our $RELOAD; # number of reloads so far
40our @EVENT; 56our @EVENT;
41our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
42 58
43our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 63our $NEXT_TICK;
46our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
47 69
48our %CFG; 70our %CFG;
49 71
50our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 73our $RUNTIME;
52 74
53our %PLAYER; # all users 75our %PLAYER; # all users
54our %MAP; # all maps 76our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 79our $BDB_ENV_DIR = cf::localdir . "/db";
58 80
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83
84# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 86
62binmode STDOUT; 87binmode STDOUT;
63binmode STDERR; 88binmode STDERR;
64 89
65# read virtual server time, if available 90# read virtual server time, if available
72mkdir cf::localdir; 97mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
77 103
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
81 107
82############################################################################# 108#############################################################################
83 109
84=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
85 111
156} 182}
157 183
158$Event::DIED = sub { 184$Event::DIED = sub {
159 warn "error in event callback: @_"; 185 warn "error in event callback: @_";
160}; 186};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 187
166=head2 UTILITY FUNCTIONS 188=head2 UTILITY FUNCTIONS
167 189
168=over 4 190=over 4
169 191
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 211 $d
190 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
191} 213}
192 214
193use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 216
195=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
196 218
197Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
198 220
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
207 222
208Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 224
217=item cf::lock_wait $string 225=item cf::lock_wait $string
218 226
219Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
220 228
257} 265}
258 266
259sub freeze_mainloop { 267sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
261 269
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
263 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
264 $guard 274 $guard
265} 275}
266 276
267=item cf::async { BLOCK } 277=item cf::async { BLOCK }
319 } 329 }
320} 330}
321 331
322=item $coro = cf::async_ext { BLOCK } 332=item $coro = cf::async_ext { BLOCK }
323 333
324Like async, but this coro is automcatially being canceled when the 334Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 335extension calling this is being unloaded.
326 336
327=cut 337=cut
328 338
329sub async_ext(&) { 339sub async_ext(&) {
338 348
339 $coro 349 $coro
340} 350}
341 351
342sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
343 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
344 356
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 358 or return;
347 359
360 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 365 and return;
351 366
367 # always fsync - this file is important
352 aio_fsync $fh 368 aio_fsync $fh
353 and return; 369 and return;
354 370
355 close $fh 371 close $fh
356 or return; 372 or return;
359 and return; 375 and return;
360 376
361 1 377 1
362} 378}
363 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
364=back 391=back
365 392
366=cut 393=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 394
495############################################################################# 395#############################################################################
496 396
497=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
498 398
624our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 525our @CB_MAP = ();
626 526
627my %attachment; 527my %attachment;
628 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
629sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
631 537
632 use sort 'stable'; 538 use sort 'stable';
633 539
804# object support 710# object support
805 711
806sub reattach { 712sub reattach {
807 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 717
810 my $registry = $obj->registry; 718 my $registry = $obj->registry;
811 719
812 @$registry = (); 720 @$registry = ();
813 721
860 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
861 769
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 774 close $fh;
867 775
868 if (@$objs) { 776 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 782 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
876 } 784 }
877 } else { 785 } else {
878 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
945=cut 853=cut
946 854
947sub register_extcmd { 855sub register_extcmd {
948 my ($name, $cb) = @_; 856 my ($name, $cb) = @_;
949 857
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 858 $EXTCMD{$name} = $cb;
954} 859}
955 860
956cf::player->attach ( 861cf::player->attach (
957 on_command => sub { 862 on_command => sub {
958 my ($pl, $name, $params) = @_; 863 my ($pl, $name, $params) = @_;
971 876
972 my $msg = eval { from_json $buf }; 877 my $msg = eval { from_json $buf };
973 878
974 if (ref $msg) { 879 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 880 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 881 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 882 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 883 }
979 } 884 }
980 } else { 885 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 888
984 cf::override; 889 cf::override;
985 }, 890 },
986); 891);
987 892
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 893sub load_extension {
995 my ($path) = @_; 894 my ($path) = @_;
996 895
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 897 my $base = $1;
999 my $pkg = $1; 898 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 899 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 900 $pkg = "ext::$pkg";
1002 901
1003 warn "loading '$path' into '$pkg'\n"; 902 warn "... loading '$path' into '$pkg'\n";
1004 903
1005 open my $fh, "<:utf8", $path 904 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 905 or die "$path: $!";
1007 906
1008 my $source = 907 my $source =
1009 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 911 . "\n};\n1";
1013 912
1014 eval $source 913 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 915 : "extension disabled.\n";
1017 916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 917 warn $@;
1019 $ext_pkg{$base} = $pkg; 918 warn "mandatory extension failed to load, exiting.\n";
1020 919 exit 1;
1021# no strict 'refs'; 920 }
1022# @{"$pkg\::ISA"} = ext::; 921 die $@;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# } 922 }
1037 923
1038 # remove commands 924 push @EXTS, $pkg;
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 925}
1063 926
1064sub load_extensions { 927sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 928 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 929 next unless -r $ext;
1070 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1071 } 934 }
1072} 935}
1073 936
1074############################################################################# 937#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 938
1090=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1091 940
1092Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1093 942
1116} 965}
1117 966
1118sub path($) { 967sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 969
1121 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
1122} 971}
1123 972
1124sub find_active($) { 973sub find_active($) {
1125 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1129 978
1130sub exists($) { 979sub exists($) {
1131 my ($login) = @_; 980 my ($login) = @_;
1132 981
1133 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1135} 984}
1136 985
1137sub find($) { 986sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 988 my $login = $_[0];
1140 989
1141 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1142 991
1143 $cf::PLAYER{$_[0]} || do { 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
1144 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
1145 or return; 1001 or return;
1146 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
1147 } 1003 }
1148 } 1004 }
1185 1041
1186=cut 1042=cut
1187 1043
1188sub quit_character { 1044sub quit_character {
1189 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1190 1048
1191 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1051
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1199 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1061 $pl->destroy;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1204 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1205} 1083}
1206 1084
1207=item cf::player::list_logins 1085=item cf::player::list_logins
1208 1086
1209Returns am arrayref of all valid playernames in the system, can take a 1087Returns am arrayref of all valid playernames in the system, can take a
1229 \@logins 1107 \@logins
1230} 1108}
1231 1109
1232=item $player->maps 1110=item $player->maps
1233 1111
1234Returns an arrayref of cf::path's of all maps that are private for this 1112Returns an arrayref of map paths that are private for this
1235player. May block. 1113player. May block.
1236 1114
1237=cut 1115=cut
1238 1116
1239sub maps($) { 1117sub maps($) {
1240 my ($pl) = @_; 1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1121
1242 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1243 or return; 1123 or return;
1244 1124
1245 my @paths; 1125 my @paths;
1247 for (@$files) { 1127 for (@$files) {
1248 utf8::decode $_; 1128 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1251 1131
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1133 }
1254 1134
1255 \@paths 1135 \@paths
1256} 1136}
1257 1137
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1259 1139
1260Sends an ext reply to the player. 1140Sends an ext reply to the player.
1261 1141
1262=cut 1142=cut
1263 1143
1264sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1265 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1266 1146
1267 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1268 1148
1269 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1150}
1151
1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1270} 1162}
1271 1163
1272package cf; 1164package cf;
1273 1165
1274=back 1166=back
1283package cf::map; 1175package cf::map;
1284 1176
1285use Fcntl; 1177use Fcntl;
1286use Coro::AIO; 1178use Coro::AIO;
1287 1179
1180use overload
1181 '""' => \&as_string,
1182 fallback => 1;
1183
1288our $MAX_RESET = 3600; 1184our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1185our $DEFAULT_RESET = 3000;
1290 1186
1291sub generate_random_map { 1187sub generate_random_map {
1292 my ($path, $rmp) = @_; 1188 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1189 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1190 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1191 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1192 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1193 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1194 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1195 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1196 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1197 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1198 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1199 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1200 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1201 (cf::region::find $rmp->{region}), $rmp->{custom}
1202 )
1203}
1204
1205=item cf::map->register ($regex, $prio)
1206
1207Register a handler for the map path matching the given regex at the
1208givne priority (higher is better, built-in handlers have priority 0, the
1209default).
1210
1211=cut
1212
1213sub register {
1214 my (undef, $regex, $prio) = @_;
1215 my $pkg = caller;
1216
1217 no strict;
1218 push @{"$pkg\::ISA"}, __PACKAGE__;
1219
1220 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221}
1222
1223# also paths starting with '/'
1224$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1225
1226sub thawer_merge {
1227 my ($self, $merge) = @_;
1228
1229 # we have to keep some variables in memory intact
1230 local $self->{path};
1231 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234
1235 $self->SUPER::thawer_merge ($merge);
1236}
1237
1238sub normalise {
1239 my ($path, $base) = @_;
1240
1241 $path = "$path"; # make sure its a string
1242
1243 $path =~ s/\.map$//;
1244
1245 # map plan:
1246 #
1247 # /! non-realised random map exit (special hack!)
1248 # {... are special paths that are not being touched
1249 # ?xxx/... are special absolute paths
1250 # ?random/... random maps
1251 # /... normal maps
1252 # ~user/... per-player map of a specific user
1253
1254 $path =~ s/$PATH_SEP/\//go;
1255
1256 # treat it as relative path if it starts with
1257 # something that looks reasonable
1258 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1259 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1260
1261 $base =~ s{[^/]+/?$}{};
1262 $path = "$base/$path";
1263 }
1264
1265 for ($path) {
1266 redo if s{//}{/};
1267 redo if s{/\.?/}{/};
1268 redo if s{/[^/]+/\.\./}{/};
1269 }
1270
1271 $path
1272}
1273
1274sub new_from_path {
1275 my (undef, $path, $base) = @_;
1276
1277 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1278
1279 $path = normalise $path, $base;
1280
1281 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1282 if ($path =~ $EXT_MAP{$pkg}[1]) {
1283 my $self = bless cf::map::new, $pkg;
1284 $self->{path} = $path; $self->path ($path);
1285 $self->init; # pass $1 etc.
1286 return $self;
1287 }
1288 }
1289
1290 Carp::carp "unable to resolve path '$path' (base '$base').";
1291 ()
1292}
1293
1294sub init {
1295 my ($self) = @_;
1296
1297 $self
1298}
1299
1300sub as_string {
1301 my ($self) = @_;
1302
1303 "$self->{path}"
1304}
1305
1306# the displayed name, this is a one way mapping
1307sub visible_name {
1308 &as_string
1309}
1310
1311# the original (read-only) location
1312sub load_path {
1313 my ($self) = @_;
1314
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1316}
1317
1318# the temporary/swap location
1319sub save_path {
1320 my ($self) = @_;
1321
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1324}
1325
1326# the unique path, undef == no special unique path
1327sub uniq_path {
1328 my ($self) = @_;
1329
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308} 1332}
1309 1333
1310# and all this just because we cannot iterate over 1334# and all this just because we cannot iterate over
1311# all maps in C++... 1335# all maps in C++...
1312sub change_all_map_light { 1336sub change_all_map_light {
1314 1338
1315 $_->change_map_light ($change) 1339 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1340 for grep $_->outdoor, values %cf::MAP;
1317} 1341}
1318 1342
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1349}
1350
1319sub try_load_header($) { 1351sub load_header_from($) {
1320 my ($path) = @_; 1352 my ($self, $path) = @_;
1321 1353
1322 utf8::encode $path; 1354 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1355 #aio_open $path, O_RDONLY, 0
1356 # or return;
1357
1358 $self->_load_header ($path)
1324 or return; 1359 or return;
1325 1360
1326 my $map = cf::map::new 1361 $self->{load_path} = $path;
1362
1363 1
1364}
1365
1366sub load_header_orig {
1367 my ($self) = @_;
1368
1369 $self->load_header_from ($self->load_path)
1370}
1371
1372sub load_header_temp {
1373 my ($self) = @_;
1374
1375 $self->load_header_from ($self->save_path)
1376}
1377
1378sub prepare_temp {
1379 my ($self) = @_;
1380
1381 $self->last_access ((delete $self->{last_access})
1382 || $cf::RUNTIME); #d#
1383 # safety
1384 $self->{instantiate_time} = $cf::RUNTIME
1385 if $self->{instantiate_time} > $cf::RUNTIME;
1386}
1387
1388sub prepare_orig {
1389 my ($self) = @_;
1390
1391 $self->{load_original} = 1;
1392 $self->{instantiate_time} = $cf::RUNTIME;
1393 $self->last_access ($cf::RUNTIME);
1394 $self->instantiate;
1395}
1396
1397sub load_header {
1398 my ($self) = @_;
1399
1400 if ($self->load_header_temp) {
1401 $self->prepare_temp;
1402 } else {
1403 $self->load_header_orig
1327 or return; 1404 or return;
1405 $self->prepare_orig;
1406 }
1328 1407
1329 # for better error messages only, will be overwritten 1408 1
1330 $map->path ($path);
1331
1332 $map->load_header ($path)
1333 or return;
1334
1335 $map->{load_path} = $path;
1336
1337 $map
1338} 1409}
1339 1410
1340sub find; 1411sub find;
1341sub find { 1412sub find {
1342 my ($path, $origin) = @_; 1413 my ($path, $origin) = @_;
1343 1414
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1415 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1416
1349 cf::lock_wait "map_find:$key"; 1417 cf::lock_wait "map_find:$path";
1350 1418
1351 $cf::MAP{$key} || do { 1419 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1420 my $guard = cf::lock_acquire "map_find:$path";
1353 1421 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1422 or return;
1373 1423
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1424 $map->{last_save} = $cf::RUNTIME;
1386 1425
1387 Coro::cede; 1426 $map->load_header
1427 or return;
1388 1428
1389 if ($map->should_reset) { 1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1432 $map->reset;
1391 undef $guard; 1433 undef $guard;
1392 $map = find $path 1434 return find $path;
1393 or return;
1394 } 1435 }
1395 1436
1396 $cf::MAP{$key} = $map 1437 $cf::MAP{$path} = $map
1397 } 1438 }
1398} 1439}
1440
1441sub pre_load { }
1442sub post_load { }
1399 1443
1400sub load { 1444sub load {
1401 my ($self) = @_; 1445 my ($self) = @_;
1402 1446
1447 local $self->{deny_reset} = 1; # loading can take a long time
1448
1403 my $path = $self->{path}; 1449 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1450 my $guard = cf::lock_acquire "map_load:$path";
1405 1451
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1452 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1453
1408 $self->in_memory (cf::MAP_LOADING); 1454 $self->in_memory (cf::MAP_LOADING);
1409 1455
1410 $self->alloc; 1456 $self->alloc;
1457
1458 $self->pre_load;
1459
1411 $self->load_objects ($self->{load_path}, 1) 1460 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1461 or return;
1413 1462
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1464 if delete $self->{load_original};
1416 1465
1417 if (my $uniq = $path->uniq_path) { 1466 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1467 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1468 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1469 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1470 $self->_load_objects ($uniq, 0);
1422 } 1471 }
1423 } 1472 }
1424 1473
1425 Coro::cede; 1474 Coro::cede;
1426 1475
1427 # now do the right thing for maps 1476 # now do the right thing for maps
1428 $self->link_multipart_objects; 1477 $self->link_multipart_objects;
1429 1478
1430 if ($self->{path}->is_style_map) { 1479 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1480 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1481 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1482 $self->update_buttons;
1483 Coro::cede;
1437 $self->set_darkness_map; 1484 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1485 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1486 unless $self->difficulty;
1487 Coro::cede;
1440 $self->activate; 1488 $self->activate;
1441 } 1489 }
1442 1490
1443 Coro::cede; 1491 $self->post_load;
1444 1492
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494}
1495
1496sub customise_for {
1497 my ($self, $ob) = @_;
1498
1499 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player;
1501
1502 $self
1446} 1503}
1447 1504
1448# find and load all maps in the 3x3 area around a map 1505# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1506sub load_diag {
1450 my ($map) = @_; 1507 my ($map) = @_;
1480 1537
1481 cf::sync_job { $map->load }; 1538 cf::sync_job { $map->load };
1482} 1539}
1483 1540
1484our %MAP_PREFETCH; 1541our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1542our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1543
1500sub find_async { 1544sub find_async {
1501 my ($path, $origin) = @_; 1545 my ($path, $origin) = @_;
1502 1546
1503 $path = new cf::path $path, $origin && $origin->path; 1547 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1548
1506 if (my $map = $cf::MAP{$key}) { 1549 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1551 }
1509 1552
1510 $MAP_PREFETCH{$key} = $path; 1553 undef $MAP_PREFETCH{$path};
1554 $MAP_PREFETCHER ||= cf::async {
1555 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) {
1557 my $map = find $path
1558 or next;
1559 $map->load;
1560
1561 delete $MAP_PREFETCH{$path};
1562 }
1563 }
1564 undef $MAP_PREFETCHER;
1565 };
1511 $MAP_PREFETCHER->ready; 1566 $MAP_PREFETCHER->prio (6);
1512 1567
1513 () 1568 ()
1514} 1569}
1515 1570
1516sub save { 1571sub save {
1520 1575
1521 $self->{last_save} = $cf::RUNTIME; 1576 $self->{last_save} = $cf::RUNTIME;
1522 1577
1523 return unless $self->dirty; 1578 return unless $self->dirty;
1524 1579
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1580 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1581 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1582
1528 $self->{load_path} = $save; 1583 $self->{load_path} = $save;
1529 1584
1530 return if $self->{deny_save}; 1585 return if $self->{deny_save};
1531 1586
1534 cf::async { 1589 cf::async {
1535 $_->contr->save for $self->players; 1590 $_->contr->save for $self->players;
1536 }; 1591 };
1537 1592
1538 if ($uniq) { 1593 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1595 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1596 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1597 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1598 }
1544} 1599}
1545 1600
1546sub swap_out { 1601sub swap_out {
1547 my ($self) = @_; 1602 my ($self) = @_;
1561 1616
1562sub reset_at { 1617sub reset_at {
1563 my ($self) = @_; 1618 my ($self) = @_;
1564 1619
1565 # TODO: safety, remove and allow resettable per-player maps 1620 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1622 return 1e99 if $self->{deny_reset};
1568 1623
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1626
1576 my ($self) = @_; 1631 my ($self) = @_;
1577 1632
1578 $self->reset_at <= $cf::RUNTIME 1633 $self->reset_at <= $cf::RUNTIME
1579} 1634}
1580 1635
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1636sub reset {
1603 my ($self) = @_; 1637 my ($self) = @_;
1604 1638
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1639 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1640
1607 return if $self->players; 1641 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1642 return if $self->isa ("ext::map_per_player");#d#
1609 1643
1610 warn "resetting map ", $self->path;#d# 1644 warn "resetting map ", $self->path;#d#
1611 1645
1646 $self->in_memory (cf::MAP_SWAPPED);
1647
1648 # need to save uniques path
1649 unless ($self->{deny_save}) {
1650 my $uniq = $self->uniq_path; utf8::encode $uniq;
1651
1652 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1653 if $uniq;
1654 }
1655
1612 delete $cf::MAP{$self->path}; 1656 delete $cf::MAP{$self->path};
1657
1658 $self->clear;
1613 1659
1614 $_->clear_links_to ($self) for values %cf::MAP; 1660 $_->clear_links_to ($self) for values %cf::MAP;
1615 1661
1616 $self->unlink_save; 1662 $self->unlink_save;
1617 $self->destroy; 1663 $self->destroy;
1620my $nuke_counter = "aaaa"; 1666my $nuke_counter = "aaaa";
1621 1667
1622sub nuke { 1668sub nuke {
1623 my ($self) = @_; 1669 my ($self) = @_;
1624 1670
1671 delete $cf::MAP{$self->path};
1672
1673 $self->unlink_save;
1674
1675 bless $self, "cf::map";
1676 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1677 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1678 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680
1681 $cf::MAP{$self->path} = $self;
1682
1628 $self->reset; # polite request, might not happen 1683 $self->reset; # polite request, might not happen
1629} 1684}
1630 1685
1631sub customise_for {
1632 my ($map, $ob) = @_;
1633
1634 if ($map->per_player) {
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636 }
1637
1638 $map
1639}
1640
1641=item cf::map::unique_maps 1686=item cf::map::unique_maps
1642 1687
1643Returns an arrayref of cf::path's of all shared maps that have 1688Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1689instantiated unique items. May block.
1645 1690
1646=cut 1691=cut
1647 1692
1648sub unique_maps() { 1693sub unique_maps() {
1654 for (@$files) { 1699 for (@$files) {
1655 utf8::decode $_; 1700 utf8::decode $_;
1656 next if /\.pst$/; 1701 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1702 next unless /^$PATH_SEP/o;
1658 1703
1659 push @paths, new cf::path $_; 1704 push @paths, cf::map::normalise $_;
1660 } 1705 }
1661 1706
1662 \@paths 1707 \@paths
1663} 1708}
1664 1709
1739 1784
1740=item $player_object->enter_link 1785=item $player_object->enter_link
1741 1786
1742Freezes the player and moves him/her to a special map (C<{link}>). 1787Freezes the player and moves him/her to a special map (C<{link}>).
1743 1788
1744The player should be reaosnably safe there for short amounts of time. You 1789The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1790I<MUST> call C<leave_link> as soon as possible, though.
1746 1791
1792Will never block.
1793
1747=item $player_object->leave_link ($map, $x, $y) 1794=item $player_object->leave_link ($map, $x, $y)
1748 1795
1749Moves the player out of the specila link map onto the given map. If the 1796Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1797map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1798to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1799fails, to the emergency map position.
1753 1800
1754Might block. 1801Might block.
1755 1802
1756=cut 1803=cut
1804
1805sub link_map {
1806 unless ($LINK_MAP) {
1807 $LINK_MAP = cf::map::find "{link}"
1808 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1809 $LINK_MAP->load;
1810 }
1811
1812 $LINK_MAP
1813}
1757 1814
1758sub cf::object::player::enter_link { 1815sub cf::object::player::enter_link {
1759 my ($self) = @_; 1816 my ($self) = @_;
1760 1817
1761 $self->deactivate_recursive; 1818 $self->deactivate_recursive;
1762 1819
1763 return if $self->map == $LINK_MAP; 1820 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1821
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1823 if $self->map;
1767 1824
1768 $self->enter_map ($LINK_MAP, 20, 20); 1825 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1826}
1770 1827
1771sub cf::object::player::leave_link { 1828sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1829 my ($self, $map, $x, $y) = @_;
1773 1830
1795 $map->load; 1852 $map->load;
1796 $map->load_diag; 1853 $map->load_diag;
1797 1854
1798 return unless $self->contr->active; 1855 return unless $self->contr->active;
1799 $self->activate_recursive; 1856 $self->activate_recursive;
1857
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 1859 $self->enter_map ($map, $x, $y);
1801} 1860}
1802 1861
1803cf::player->attach ( 1862cf::player->attach (
1804 on_logout => sub { 1863 on_logout => sub {
1817 # try to abort aborted map switching on player login :) 1876 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes 1877 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) { 1878 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link; 1879 $pl->ob->enter_link;
1821 (async { 1880 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef, 1881 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, " 1882 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.", 1883 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED); 1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1828 Coro::Timer::sleep 1; 1887 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link; 1888 $pl->ob->leave_link;
1830 })->prio (2); 1889 })->prio (2);
1831 } 1890 }
1832 }, 1891 },
1837=cut 1896=cut
1838 1897
1839sub cf::object::player::goto { 1898sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1899 my ($self, $path, $x, $y) = @_;
1841 1900
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1901 $self->enter_link;
1845 1902
1846 (async { 1903 (async {
1904 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 1905 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1906 $map = $map->customise_for ($self) if $map;
1849 1907 $map
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1908 } or
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 1910
1855 $self->leave_link ($map, $x, $y); 1911 $self->leave_link ($map, $x, $y);
1856 })->prio (1); 1912 })->prio (1);
1857} 1913}
1858 1914
1862 1918
1863sub parse_random_map_params { 1919sub parse_random_map_params {
1864 my ($spec) = @_; 1920 my ($spec) = @_;
1865 1921
1866 my $rmp = { # defaults 1922 my $rmp = { # defaults
1867 xsize => 10, 1923 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1924 ysize => (cf::rndm 15, 40),
1925 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1926 #layout => string,
1869 }; 1927 };
1870 1928
1871 for (split /\n/, $spec) { 1929 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1930 my ($k, $v) = split /\s+/, $_, 2;
1873 1931
1877 $rmp 1935 $rmp
1878} 1936}
1879 1937
1880sub prepare_random_map { 1938sub prepare_random_map {
1881 my ($exit) = @_; 1939 my ($exit) = @_;
1940
1941 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1942
1883 # all this does is basically replace the /! path by 1943 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1944 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1945 # that depends on the exit object
1886 1946
1887 my $rmp = parse_random_map_params $exit->msg; 1947 my $rmp = parse_random_map_params $exit->msg;
1888 1948
1889 if ($exit->map) { 1949 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 1950 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 1951 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 1952 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 1953 $rmp->{origin_y} = $exit->y;
1894 } 1954 }
1895 1955
1896 $rmp->{random_seed} ||= $exit->random_seed; 1956 $rmp->{random_seed} ||= $exit->random_seed;
1897 1957
1898 my $data = cf::to_json $rmp; 1958 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1959 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1961
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 1963 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh;
1965 aio_rename "$meta~", $meta;
1903 1966
1904 $exit->slaying ("?random/$md5"); 1967 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1968 $exit->msg (undef);
1906 } 1969 }
1907} 1970}
1908 1971
1909sub cf::object::player::enter_exit { 1972sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 1973 my ($self, $exit) = @_;
1911 1974
1912 return unless $self->type == cf::PLAYER; 1975 return unless $self->type == cf::PLAYER;
1976
1977 if ($exit->slaying eq "/!") {
1978 #TODO: this should de-fi-ni-te-ly not be a sync-job
1979 # the problem is that $exit might not survive long enough
1980 # so it needs to be done right now, right here
1981 cf::sync_job { prepare_random_map $exit };
1982 }
1983
1984 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp;
1913 1987
1914 $self->enter_link; 1988 $self->enter_link;
1915 1989
1916 (async { 1990 (async {
1917 $self->deactivate_recursive; # just to be sure 1991 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1992 unless (eval {
1919 prepare_random_map $exit 1993 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 1994
1925 1; 1995 1;
1926 }) { 1996 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1997 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 1998 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 1999 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2000 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2001
1932 warn "ERROR in enter_exit: $@"; 2002 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2003 $self->leave_link;
1934 } 2004 }
1935 })->prio (1); 2005 })->prio (1);
1948 2018
1949sub cf::client::send_drawinfo { 2019sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2020 my ($self, $text, $flags) = @_;
1951 2021
1952 utf8::encode $text; 2022 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2024}
1955 2025
2026=item $client->ext_event ($type, %msg)
2027
2028Sends an exti event to the client.
2029
2030=cut
2031
2032sub cf::client::ext_event($$%) {
2033 my ($self, $type, %msg) = @_;
2034
2035 $msg{msgtype} = "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg);
2037}
1956 2038
1957=item $success = $client->query ($flags, "text", \&cb) 2039=item $success = $client->query ($flags, "text", \&cb)
1958 2040
1959Queues a query to the client, calling the given callback with 2041Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2042the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1989 # get handled first 2071 # get handled first
1990 my $queue = delete $ns->{query_queue} 2072 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2073 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2074
1993 (shift @$queue)->[1]->($msg); 2075 (shift @$queue)->[1]->($msg);
2076 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2077
1995 push @{ $ns->{query_queue} }, @$queue; 2078 push @{ $ns->{query_queue} }, @$queue;
1996 2079
1997 if (@{ $ns->{query_queue} } == @$queue) { 2080 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2081 if (@$queue) {
2056 2139
2057# here we export the classes and methods available to script code 2140# here we export the classes and methods available to script code
2058 2141
2059=pod 2142=pod
2060 2143
2061The following fucntions and emthods are available within a safe environment: 2144The following functions and methods are available within a safe environment:
2062 2145
2063 cf::object contr pay_amount pay_player map 2146 cf::object contr pay_amount pay_player map
2064 cf::object::player player 2147 cf::object::player player
2065 cf::player peaceful 2148 cf::player peaceful
2066 cf::map trigger 2149 cf::map trigger
2159The parameter C<$family> should best start with the name of the extension 2242The parameter C<$family> should best start with the name of the extension
2160using it, it should be unique. 2243using it, it should be unique.
2161 2244
2162=over 4 2245=over 4
2163 2246
2164=item $hashref = cf::db_get $family
2165
2166Return a hashref for use by the extension C<$family>, which can be
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169
2170=item $value = cf::db_get $family => $key 2247=item $value = cf::db_get $family => $key
2171 2248
2172Returns a single value from the database 2249Returns a single value from the database.
2173
2174=item cf::db_put $family => $hashref
2175
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178 2250
2179=item cf::db_put $family => $key => $value 2251=item cf::db_put $family => $key => $value
2180 2252
2181Stores the given C<$value> in the family hash. Updates are delayed, if you 2253Stores the given C<$value> in the family.
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191 2254
2192=cut 2255=cut
2193 2256
2194our $DB; 2257our $DB;
2195 2258
2196{ 2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
2197 my $path = cf::localdir . "/database.pst"; 2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2198 2278
2199 sub db_load() { 2279 cf::db_put (board => data => $pst->{board});
2200 $DB = stat $path ? Storable::retrieve $path : { }; 2280 cf::db_put (guildrules => data => $pst->{guildrules});
2201 } 2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2202 2283
2203 my $pid; 2284 unlink $path;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 } 2285 };
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 });
2225
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 }
2230
2231 sub db_get($;$) {
2232 @_ >= 2
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236
2237 sub db_put($$;$) {
2238 if (@_ >= 3) {
2239 $DB->{$_[0]}{$_[1]} = $_[2];
2240 } else {
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245
2246 cf::global->attach (
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 2286 }
2251 ); 2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252} 2304}
2253 2305
2254############################################################################# 2306#############################################################################
2255# the server's main() 2307# the server's init and main functions
2308
2309sub load_facedata {
2310 my $path = sprintf "%s/facedata", cf::datadir;
2311
2312 warn "loading facedata from $path\n";
2313
2314 my $facedata;
2315 0 < aio_load $path, $facedata
2316 or die "$path: $!";
2317
2318 $facedata = Coro::Storable::thaw $facedata;
2319
2320 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322
2323 {
2324 my $faces = $facedata->{faceinfo};
2325
2326 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331 Coro::cede;
2332 }
2333
2334 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth};
2336 my $idx = cf::face::find $face
2337 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) {
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2340 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 }
2343 Coro::cede;
2344 }
2345 }
2346
2347 {
2348 my $anims = $facedata->{animinfo};
2349
2350 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede;
2353 }
2354
2355 cf::anim::invalidate_all; # d'oh
2356 }
2357
2358 1
2359}
2360
2361sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2363 or die "unable to load regions file\n";#d#
2364 load_facedata
2365 or die "unable to load facedata\n";#d#
2366}
2367
2368sub init {
2369 reload_resources;
2370}
2256 2371
2257sub cfg_load { 2372sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2373 open my $fh, "<:utf8", cf::confdir . "/config"
2259 or return; 2374 or return;
2260 2375
2277 2392
2278sub main { 2393sub main {
2279 # we must not ever block the main coroutine 2394 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2395 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2396 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397 (async {
2282 async { Event::one_event }; 2398 Event::one_event;
2399 })->prio (Coro::PRIO_MAX);
2283 }; 2400 };
2284 2401
2285 cfg_load; 2402 cfg_load;
2286 db_load; 2403 db_init;
2287 load_extensions; 2404 load_extensions;
2405
2406 $TICK_WATCHER->start;
2288 Event::loop; 2407 Event::loop;
2289} 2408}
2290 2409
2291############################################################################# 2410#############################################################################
2292# initialisation and cleanup 2411# initialisation and cleanup
2293 2412
2294# install some emergency cleanup handlers 2413# install some emergency cleanup handlers
2295BEGIN { 2414BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2415 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2416 Event->signal (
2417 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2418 data => WF_AUTOCANCEL,
2299 signal => $signal, 2419 signal => $signal,
2420 prio => 0,
2300 cb => sub { 2421 cb => sub {
2301 cf::cleanup "SIG$signal"; 2422 cf::cleanup "SIG$signal";
2302 }, 2423 },
2303 ); 2424 );
2304 } 2425 }
2305} 2426}
2310 warn "enter emergency perl save\n"; 2431 warn "enter emergency perl save\n";
2311 2432
2312 cf::sync_job { 2433 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2434 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2435 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2436 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2437 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2438 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2439 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2440 $pl->valid or next;
2320 $pl->save; 2441 $pl->save;
2326 my $map = $cf::MAP{$path} or next; 2447 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2448 $map->valid or next;
2328 $map->save; 2449 $map->save;
2329 } 2450 }
2330 warn "end emergency map save\n"; 2451 warn "end emergency map save\n";
2452
2453 warn "begin emergency database checkpoint\n";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455 warn "end emergency database checkpoint\n";
2331 }; 2456 };
2332 2457
2333 warn "leave emergency perl save\n"; 2458 warn "leave emergency perl save\n";
2459}
2460
2461sub post_cleanup {
2462 my ($make_core) = @_;
2463
2464 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core;
2334} 2466}
2335 2467
2336sub reload() { 2468sub reload() {
2337 # can/must only be called in main 2469 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2470 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2471 warn "can only reload from main coroutine";
2340 return; 2472 return;
2341 } 2473 }
2342 2474
2343 warn "reloading..."; 2475 warn "reloading...";
2344 2476
2345 my $guard = freeze_mainloop; 2477 warn "entering sync_job";
2478
2479 cf::sync_job {
2480 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2481 cf::emergency_save;
2482 cf::write_runtime; # external watchdog should not bark
2347 2483
2348 eval { 2484 warn "syncing database to disk";
2485 BDB::db_env_txn_checkpoint $DB_ENV;
2486
2349 # if anything goes wrong in here, we should simply crash as we already saved 2487 # if anything goes wrong in here, we should simply crash as we already saved
2350 2488
2351 # cancel all watchers 2489 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2490 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2491 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2492 }
2355 2493
2494 warn "flushing outstanding aio requests";
2495 for (;;) {
2496 BDB::flush;
2497 IO::AIO::flush;
2498 Coro::cede;
2499 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate...";
2501 }
2502
2503 ++$RELOAD;
2504
2356 # cancel all extension coros 2505 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2506 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2507 %EXT_CORO = ();
2359 2508
2360 # unload all extensions 2509 warn "removing commands";
2361 for (@exts) { 2510 %COMMAND = ();
2511
2512 warn "removing ext commands";
2513 %EXTCMD = ();
2514
2515 warn "unloading/nuking all extensions";
2516 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2517 warn "... unloading $pkg";
2363 unload_extension $_; 2518
2519 if (my $cb = $pkg->can ("unload")) {
2520 eval {
2521 $cb->($pkg);
2522 1
2523 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2524 }
2365 2525
2526 warn "... nuking $pkg";
2527 Symbol::delete_package $pkg;
2528 }
2529
2366 # unload all modules loaded from $LIBDIR 2530 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2531 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2532 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2533
2370 warn "removing <$k>"; 2534 warn "... unloading $k";
2371 delete $INC{$k}; 2535 delete $INC{$k};
2372 2536
2373 $k =~ s/\.pm$//; 2537 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2538 $k =~ s/\//::/g;
2375 2539
2378 } 2542 }
2379 2543
2380 Symbol::delete_package $k; 2544 Symbol::delete_package $k;
2381 } 2545 }
2382 2546
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2547 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2548 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2550
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2551 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2552 delete $INC{"cf.pm"};
2396 2553
2397 # don't, removes xs symbols, too, 2554 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2555 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2556 #Symbol::delete_package __PACKAGE__;
2400 2557
2401 # reload cf.pm 2558 warn "unload completed, starting to reload now";
2559
2402 warn "reloading cf.pm"; 2560 warn "reloading cf.pm";
2403 require cf; 2561 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2563
2406 # load config and database again 2564 warn "loading config and database again";
2407 cf::cfg_load; 2565 cf::cfg_load;
2408 cf::db_load;
2409 2566
2410 # load extensions
2411 warn "load extensions"; 2567 warn "loading extensions";
2412 cf::load_extensions; 2568 cf::load_extensions;
2413 2569
2414 # reattach attachments to objects 2570 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 2571 _global_reattach; # objects, sockets
2416 _global_reattach; 2572 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2573 reattach $_ for values %MAP;
2418 }; 2574 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER;
2419 2576
2420 if ($@) { 2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job";
2581
2582 1
2583 } or do {
2421 warn $@; 2584 warn $@;
2422 warn "error while reloading, exiting."; 2585 warn "error while reloading, exiting.";
2423 exit 1; 2586 exit 1;
2424 } 2587 };
2425 2588
2426 warn "reloaded successfully"; 2589 warn "reloaded";
2427}; 2590};
2428 2591
2429############################################################################# 2592our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2593
2474register_command "reload" => sub { 2594register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2595 my ($who, $arg) = @_;
2476 2596
2477 if ($who->flag (FLAG_WIZ)) { 2597 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload."); 2598 $who->message ("reloading server.");
2599
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2479 reload; 2608 reload;
2480 $who->message ("end of reload."); 2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2481 } 2612 }
2482}; 2613};
2483 2614
2484unshift @INC, $LIBDIR; 2615unshift @INC, $LIBDIR;
2616
2617my $bug_warning = 0;
2485 2618
2486$TICK_WATCHER = Event->timer ( 2619$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2620 reentrant => 0,
2621 parked => 1,
2488 prio => 0, 2622 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2623 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2624 data => WF_AUTOCANCEL,
2491 cb => sub { 2625 cb => sub {
2626 if ($Coro::current != $Coro::main) {
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10;
2629 return;
2630 }
2631
2632 $NOW = Event::time;
2633
2492 cf::server_tick; # one server iteration 2634 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2635 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2636 $NEXT_TICK += $TICK;
2495 2637
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool {
2641 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!";
2643 };
2644 }
2645
2496 $WAIT_FOR_TICK->broadcast; 2646 $WAIT_FOR_TICK->broadcast;
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d#
2498 2651
2499 # if we are delayed by four ticks or more, skip them all 2652 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501 2654
2502 $TICK_WATCHER->at ($NEXT_TICK); 2655 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2656 $TICK_WATCHER->start;
2504 }, 2657 },
2505); 2658);
2506 2659
2660{
2507IO::AIO::max_poll_time $TICK * 0.2; 2661 BDB::max_poll_time $TICK * 0.1;
2508 2662 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 2663 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2664 fd => BDB::poll_fileno,
2511 poll => 'r', 2665 poll => 'r',
2512 prio => 5, 2666 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2519 after => 0, 2668 cb => \&BDB::poll_cb,
2520 interval => 10, 2669 );
2521 cb => sub { 2670 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 2671
2523 write_runtime 2672 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 2673 my $status;
2674 my $current = $Coro::current;
2675 (
2676 sub {
2677 $status = $!;
2678 $current->ready; undef $current;
2679 },
2680 sub {
2681 Coro::schedule while defined $current;
2682 $! = $status;
2683 },
2684 )
2685 };
2686
2687 unless ($DB_ENV) {
2688 $DB_ENV = BDB::db_env_create;
2689
2690 cf::sync_job {
2691 eval {
2692 BDB::db_env_open
2693 $DB_ENV,
2694 $BDB_ENV_DIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666;
2698
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 };
2704
2705 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 2706 };
2526 }, 2707 }
2527); 2708}
2709
2710{
2711 IO::AIO::min_parallel 8;
2712
2713 undef $Coro::AIO::WATCHER;
2714 IO::AIO::max_poll_time $TICK * 0.1;
2715 $AIO_POLL_WATCHER = Event->io (
2716 reentrant => 0,
2717 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno,
2719 poll => 'r',
2720 prio => 6,
2721 cb => \&IO::AIO::poll_cb,
2722 );
2723}
2528 2724
2529END { cf::emergency_save } 2725END { cf::emergency_save }
2530 2726
25311 27271
2532 2728

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