ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 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 ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.32 (); 26use IO::AIO 2.32 ();
23use YAML::Syck (); 27use YAML::Syck ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 33$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27 36
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 38$YAML::Syck::ImplicitUnicode = 1;
30 39
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 41
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 42our %COMMAND = ();
36our %COMMAND_TIME = (); 43our %COMMAND_TIME = ();
44
45our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 46our %EXTCMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps
38 49
50our $RELOAD; # number of reloads so far
39our @EVENT; 51our @EVENT;
40our $LIBDIR = datadir . "/ext"; 52our $LIBDIR = datadir . "/ext";
41 53
42our $TICK = MAX_TIME * 1e-6; 54our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 55our $TICK_WATCHER;
56our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 58our $NEXT_TICK;
45our $NOW; 59our $NOW;
60our $USE_FSYNC = 1; # use fsync to write maps - default off
61
62our $BDB_POLL_WATCHER;
63our $DB_ENV;
46 64
47our %CFG; 65our %CFG;
48 66
49our $UPTIME; $UPTIME ||= time; 67our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 68our $RUNTIME;
51 69
52our %PLAYER; # all users 70our %PLAYER; # all users
53our %MAP; # all maps 71our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 72our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 73our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78
79# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 81
58binmode STDOUT; 82binmode STDOUT;
59binmode STDERR; 83binmode STDERR;
60 84
61# read virtual server time, if available 85# read virtual server time, if available
68mkdir cf::localdir; 92mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 93mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 94mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 95mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
73 98
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 99our $EMERGENCY_POSITION;
100
101sub cf::map::normalise;
77 102
78############################################################################# 103#############################################################################
79 104
80=head2 GLOBAL VARIABLES 105=head2 GLOBAL VARIABLES
81 106
105 130
106=item %cf::CFG 131=item %cf::CFG
107 132
108Configuration for the server, loaded from C</etc/crossfire/config>, or 133Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 134from wherever your confdir points to.
135
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
137
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
140processing has been done. Call C<< ->wait >> on them to maximise the
141window of cpu time available, or simply to synchronise to the server tick.
110 142
111=back 143=back
112 144
113=cut 145=cut
114 146
146 178
147$Event::DIED = sub { 179$Event::DIED = sub {
148 warn "error in event callback: @_"; 180 warn "error in event callback: @_";
149}; 181};
150 182
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 183=head2 UTILITY FUNCTIONS
156 184
157=over 4 185=over 4
158 186
187=item dumpval $ref
188
159=cut 189=cut
190
191sub dumpval {
192 eval {
193 local $SIG{__DIE__};
194 my $d;
195 if (1) {
196 $d = new Data::Dumper([$_[0]], ["*var"]);
197 $d->Terse(1);
198 $d->Indent(2);
199 $d->Quotekeys(0);
200 $d->Useqq(1);
201 #$d->Bless(...);
202 $d->Seen($_[1]) if @_ > 1;
203 $d = $d->Dump();
204 }
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d
207 } || "[unable to dump $_[0]: '$@']";
208}
160 209
161use JSON::Syck (); # TODO# replace by JSON::PC once working 210use JSON::Syck (); # TODO# replace by JSON::PC once working
162 211
163=item $ref = cf::from_json $json 212=item $ref = cf::from_json $json
164 213
225} 274}
226 275
227sub freeze_mainloop { 276sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 277 return unless $TICK_WATCHER->is_active;
229 278
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 279 my $guard = Coro::guard {
280 $TICK_WATCHER->start;
281 };
231 $TICK_WATCHER->stop; 282 $TICK_WATCHER->stop;
232 $guard 283 $guard
233} 284}
234 285
235=item cf::async { BLOCK } 286=item cf::async { BLOCK }
287 } 338 }
288} 339}
289 340
290=item $coro = cf::async_ext { BLOCK } 341=item $coro = cf::async_ext { BLOCK }
291 342
292Like async, but this coro is automcatially being canceled when the 343Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 344extension calling this is being unloaded.
294 345
295=cut 346=cut
296 347
297sub async_ext(&) { 348sub async_ext(&) {
306 357
307 $coro 358 $coro
308} 359}
309 360
310sub write_runtime { 361sub write_runtime {
362 my $guard = cf::lock_acquire "write_runtime";
363
311 my $runtime = cf::localdir . "/runtime"; 364 my $runtime = cf::localdir . "/runtime";
312 365
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 367 or return;
315 368
369 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 370 # 10 is the runtime save interval, for a monotonic clock
371 # 60 allows for the watchdog to kill the server.
372
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 373 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 374 and return;
319 375
376 # always fsync - this file is important
320 aio_fsync $fh 377 aio_fsync $fh
321 and return; 378 and return;
322 379
323 close $fh 380 close $fh
324 or return; 381 or return;
330} 387}
331 388
332=back 389=back
333 390
334=cut 391=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 392
456############################################################################# 393#############################################################################
457 394
458=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
459 396
585our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 523our @CB_MAP = ();
587 524
588my %attachment; 525my %attachment;
589 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
590sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
592 535
593 use sort 'stable'; 536 use sort 'stable';
594 537
765# object support 708# object support
766 709
767sub reattach { 710sub reattach {
768 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 715
771 my $registry = $obj->registry; 716 my $registry = $obj->registry;
772 717
773 @$registry = (); 718 @$registry = ();
774 719
821 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
822 767
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 772 close $fh;
828 773
829 if (@$objs) { 774 if (@$objs) {
830 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) {
831 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 780 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
837 } 782 }
838 } else { 783 } else {
839 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
906=cut 851=cut
907 852
908sub register_extcmd { 853sub register_extcmd {
909 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
910 855
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
915} 857}
916 858
917cf::player->attach ( 859cf::player->attach (
918 on_command => sub { 860 on_command => sub {
919 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
932 874
933 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
934 876
935 if (ref $msg) { 877 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 881 }
940 } 882 }
941 } else { 883 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 886
945 cf::override; 887 cf::override;
946 }, 888 },
947); 889);
948 890
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 891sub load_extension {
956 my ($path) = @_; 892 my ($path) = @_;
957 893
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 895 my $base = $1;
960 my $pkg = $1; 896 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
963 899
964 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
965 901
966 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 903 or die "$path: $!";
968 904
969 my $source = 905 my $source =
970 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
973 . "\n};\n1"; 909 . "\n};\n1";
974 910
975 eval $source 911 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 913 : "extension disabled.\n";
978 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 915 warn $@;
980 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
981 917 exit 1;
982# no strict 'refs'; 918 }
983# @{"$pkg\::ISA"} = ext::; 919 die $@;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# } 920 }
998 921
999 # remove commands 922 push @EXTS, $pkg;
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 923}
1024 924
1025sub load_extensions { 925sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 927 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1032 } 932 }
1033} 933}
1034 934
1035############################################################################# 935#############################################################################
1036# load/save/clean perl data associated with a map
1037
1038*cf::mapsupport::on_clean = sub {
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 936
1073=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1074 938
1075Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1076 940
1077=cut 941=cut
1078 942
1079package cf::player; 943package cf::player;
944
945use Coro::AIO;
1080 946
1081=head3 cf::player 947=head3 cf::player
1082 948
1083=over 4 949=over 4
1084 950
1110 976
1111sub exists($) { 977sub exists($) {
1112 my ($login) = @_; 978 my ($login) = @_;
1113 979
1114 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1116} 982}
1117 983
1118sub find($) { 984sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 986 my $login = $_[0];
1121 987
1122 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
1123 989
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 990 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login
992 or return;
993 $cf::PLAYER{$login} = $pl
994 }
1125 }; 995 }
1126} 996}
1127 997
1128sub save($) { 998sub save($) {
1129 my ($pl) = @_; 999 my ($pl) = @_;
1130 1000
1133 my $path = path $pl; 1003 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1004 my $guard = cf::lock_acquire "user_save:$path";
1135 1005
1136 return if $pl->{deny_save}; 1006 return if $pl->{deny_save};
1137 1007
1138 IO::AIO::aio_mkdir playerdir $pl, 0770; 1008 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1009 $pl->{last_save} = $cf::RUNTIME;
1140 1010
1141 Coro::cede;
1142 $pl->save_pl ($path); 1011 $pl->save_pl ($path);
1143 Coro::cede; 1012 Coro::cede;
1144} 1013}
1145 1014
1146sub new($) { 1015sub new($) {
1154 $cf::PLAYER{$login} = $self; 1023 $cf::PLAYER{$login} = $self;
1155 1024
1156 $self 1025 $self
1157} 1026}
1158 1027
1028=item $pl->quit_character
1029
1030Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time.
1032
1033=cut
1034
1159sub quit_character { 1035sub quit_character {
1160 my ($pl) = @_; 1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1161 1039
1162 $pl->{deny_save} = 1; 1040 $pl->{deny_save} = 1;
1163 $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
1164 1042
1165 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1167 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1168 $pl->ns->destroy if $pl->ns; 1046 $pl->ns->destroy if $pl->ns;
1169 1047
1170 my $path = playerdir $pl; 1048 my $path = playerdir $pl;
1171 my $temp = "$path~$cf::RUNTIME~deleting~"; 1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1172 IO::AIO::aio_rename $path, $temp, sub { 1050 aio_rename $path, $temp;
1173 delete $cf::PLAYER{$pl->ob->name}; 1051 delete $cf::PLAYER{$pl->ob->name};
1174 $pl->destroy; 1052 $pl->destroy;
1175 1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1176 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;
1074}
1075
1076=item cf::player::list_logins
1077
1078Returns am arrayref of all valid playernames in the system, can take a
1079while and may block, so not sync_job-capable, ever.
1080
1081=cut
1082
1083sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1085 or return [];
1086
1087 my @logins;
1088
1089 for my $login (@$dirs) {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag
1093
1094 utf8::decode $login;
1095 push @logins, $login;
1177 }; 1096 }
1097
1098 \@logins
1099}
1100
1101=item $player->maps
1102
1103Returns an arrayref of map paths that are private for this
1104player. May block.
1105
1106=cut
1107
1108sub maps($) {
1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1112
1113 my $files = aio_readdir playerdir $pl
1114 or return;
1115
1116 my @paths;
1117
1118 for (@$files) {
1119 utf8::decode $_;
1120 next if /\.(?:pl|pst)$/;
1121 next unless /^$PATH_SEP/o;
1122
1123 push @paths, cf::map::normalise "~$pl/$_";
1124 }
1125
1126 \@paths
1178} 1127}
1179 1128
1180=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, $msgtype, %msg)
1181 1130
1182Sends an ext reply to the player. 1131Sends an ext reply to the player.
1205package cf::map; 1154package cf::map;
1206 1155
1207use Fcntl; 1156use Fcntl;
1208use Coro::AIO; 1157use Coro::AIO;
1209 1158
1159use overload
1160 '""' => \&as_string,
1161 fallback => 1;
1162
1210our $MAX_RESET = 3600; 1163our $MAX_RESET = 3600;
1211our $DEFAULT_RESET = 3000; 1164our $DEFAULT_RESET = 3000;
1212 1165
1213sub generate_random_map { 1166sub generate_random_map {
1214 my ($path, $rmp) = @_; 1167 my ($self, $rmp) = @_;
1215
1216 # mit "rum" bekleckern, nicht 1168 # mit "rum" bekleckern, nicht
1217 cf::map::_create_random_map 1169 $self->_create_random_map (
1218 $path,
1219 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1170 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1171 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1172 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222 $rmp->{exit_on_final_map}, 1173 $rmp->{exit_on_final_map},
1223 $rmp->{xsize}, $rmp->{ysize}, 1174 $rmp->{xsize}, $rmp->{ysize},
1224 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1175 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1176 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1177 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1178 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1179 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229 (cf::region::find $rmp->{region}) 1180 (cf::region::find $rmp->{region}), $rmp->{custom}
1181 )
1182}
1183
1184=item cf::map->register ($regex, $prio)
1185
1186Register a handler for the map path matching the given regex at the
1187givne priority (higher is better, built-in handlers have priority 0, the
1188default).
1189
1190=cut
1191
1192sub register {
1193 my (undef, $regex, $prio) = @_;
1194 my $pkg = caller;
1195
1196 no strict;
1197 push @{"$pkg\::ISA"}, __PACKAGE__;
1198
1199 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200}
1201
1202# also paths starting with '/'
1203$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1204
1205sub thawer_merge {
1206 my ($self, $merge) = @_;
1207
1208 # we have to keep some variables in memory intact
1209 local $self->{path};
1210 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213
1214 $self->SUPER::thawer_merge ($merge);
1215}
1216
1217sub normalise {
1218 my ($path, $base) = @_;
1219
1220 $path = "$path"; # make sure its a string
1221
1222 $path =~ s/\.map$//;
1223
1224 # map plan:
1225 #
1226 # /! non-realised random map exit (special hack!)
1227 # {... are special paths that are not being touched
1228 # ?xxx/... are special absolute paths
1229 # ?random/... random maps
1230 # /... normal maps
1231 # ~user/... per-player map of a specific user
1232
1233 $path =~ s/$PATH_SEP/\//go;
1234
1235 # treat it as relative path if it starts with
1236 # something that looks reasonable
1237 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1238 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1239
1240 $base =~ s{[^/]+/?$}{};
1241 $path = "$base/$path";
1242 }
1243
1244 for ($path) {
1245 redo if s{//}{/};
1246 redo if s{/\.?/}{/};
1247 redo if s{/[^/]+/\.\./}{/};
1248 }
1249
1250 $path
1251}
1252
1253sub new_from_path {
1254 my (undef, $path, $base) = @_;
1255
1256 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1257
1258 $path = normalise $path, $base;
1259
1260 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1261 if ($path =~ $EXT_MAP{$pkg}[1]) {
1262 my $self = bless cf::map::new, $pkg;
1263 $self->{path} = $path; $self->path ($path);
1264 $self->init; # pass $1 etc.
1265 return $self;
1266 }
1267 }
1268
1269 Carp::carp "unable to resolve path '$path' (base '$base').";
1270 ()
1271}
1272
1273sub init {
1274 my ($self) = @_;
1275
1276 $self
1277}
1278
1279sub as_string {
1280 my ($self) = @_;
1281
1282 "$self->{path}"
1283}
1284
1285# the displayed name, this is a one way mapping
1286sub visible_name {
1287 &as_string
1288}
1289
1290# the original (read-only) location
1291sub load_path {
1292 my ($self) = @_;
1293
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1295}
1296
1297# the temporary/swap location
1298sub save_path {
1299 my ($self) = @_;
1300
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1303}
1304
1305# the unique path, undef == no special unique path
1306sub uniq_path {
1307 my ($self) = @_;
1308
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230} 1311}
1231 1312
1232# and all this just because we cannot iterate over 1313# and all this just because we cannot iterate over
1233# all maps in C++... 1314# all maps in C++...
1234sub change_all_map_light { 1315sub change_all_map_light {
1236 1317
1237 $_->change_map_light ($change) 1318 $_->change_map_light ($change)
1238 for grep $_->outdoor, values %cf::MAP; 1319 for grep $_->outdoor, values %cf::MAP;
1239} 1320}
1240 1321
1322sub unlink_save {
1323 my ($self) = @_;
1324
1325 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1327 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1328}
1329
1241sub try_load_header($) { 1330sub load_header_from($) {
1242 my ($path) = @_; 1331 my ($self, $path) = @_;
1243 1332
1244 utf8::encode $path; 1333 utf8::encode $path;
1245 aio_open $path, O_RDONLY, 0 1334 #aio_open $path, O_RDONLY, 0
1335 # or return;
1336
1337 $self->_load_header ($path)
1246 or return; 1338 or return;
1247 1339
1248 my $map = cf::map::new 1340 $self->{load_path} = $path;
1341
1342 1
1343}
1344
1345sub load_header_orig {
1346 my ($self) = @_;
1347
1348 $self->load_header_from ($self->load_path)
1349}
1350
1351sub load_header_temp {
1352 my ($self) = @_;
1353
1354 $self->load_header_from ($self->save_path)
1355}
1356
1357sub prepare_temp {
1358 my ($self) = @_;
1359
1360 $self->last_access ((delete $self->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $self->{instantiate_time} = $cf::RUNTIME
1364 if $self->{instantiate_time} > $cf::RUNTIME;
1365}
1366
1367sub prepare_orig {
1368 my ($self) = @_;
1369
1370 $self->{load_original} = 1;
1371 $self->{instantiate_time} = $cf::RUNTIME;
1372 $self->last_access ($cf::RUNTIME);
1373 $self->instantiate;
1374}
1375
1376sub load_header {
1377 my ($self) = @_;
1378
1379 if ($self->load_header_temp) {
1380 $self->prepare_temp;
1381 } else {
1382 $self->load_header_orig
1249 or return; 1383 or return;
1384 $self->prepare_orig;
1385 }
1250 1386
1251 # for better error messages only, will be overwritten 1387 1
1252 $map->path ($path);
1253
1254 $map->load_header ($path)
1255 or return;
1256
1257 $map->{load_path} = $path;
1258
1259 $map
1260} 1388}
1261 1389
1262sub find; 1390sub find;
1263sub find { 1391sub find {
1264 my ($path, $origin) = @_; 1392 my ($path, $origin) = @_;
1265 1393
1266 #warn "find<$path,$origin>\n";#d#
1267
1268 $path = new cf::path $path, $origin && $origin->path; 1394 $path = normalise $path, $origin && $origin->path;
1269 my $key = $path->as_string;
1270 1395
1271 cf::lock_wait "map_find:$key"; 1396 cf::lock_wait "map_find:$path";
1272 1397
1273 $cf::MAP{$key} || do { 1398 $cf::MAP{$path} || do {
1274 my $guard = cf::lock_acquire "map_find:$key"; 1399 my $guard = cf::lock_acquire "map_find:$path";
1275 1400 my $map = new_from_path cf::map $path
1276 # do it the slow way
1277 my $map = try_load_header $path->save_path;
1278
1279 Coro::cede;
1280
1281 if ($map) {
1282 $map->last_access ((delete $map->{last_access})
1283 || $cf::RUNTIME); #d#
1284 # safety
1285 $map->{instantiate_time} = $cf::RUNTIME
1286 if $map->{instantiate_time} > $cf::RUNTIME;
1287 } else {
1288 if (my $rmp = $path->random_map_params) {
1289 $map = generate_random_map $key, $rmp;
1290 } else {
1291 $map = try_load_header $path->load_path;
1292 }
1293
1294 $map or return; 1401 or return;
1295 1402
1296 $map->{load_original} = 1;
1297 $map->{instantiate_time} = $cf::RUNTIME;
1298 $map->last_access ($cf::RUNTIME);
1299 $map->instantiate;
1300
1301 # per-player maps become, after loading, normal maps
1302 $map->per_player (0) if $path->{user_rel};
1303 }
1304
1305 $map->path ($key);
1306 $map->{path} = $path;
1307 $map->{last_save} = $cf::RUNTIME; 1403 $map->{last_save} = $cf::RUNTIME;
1308 1404
1309 Coro::cede; 1405 $map->load_header
1406 or return;
1310 1407
1311 if ($map->should_reset) { 1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait;
1312 $map->reset; 1411 $map->reset;
1313 undef $guard; 1412 undef $guard;
1314 $map = find $path 1413 return find $path;
1315 or return;
1316 } 1414 }
1317 1415
1318 $cf::MAP{$key} = $map 1416 $cf::MAP{$path} = $map
1319 } 1417 }
1320} 1418}
1419
1420sub pre_load { }
1421sub post_load { }
1321 1422
1322sub load { 1423sub load {
1323 my ($self) = @_; 1424 my ($self) = @_;
1324 1425
1426 local $self->{deny_reset} = 1; # loading can take a long time
1427
1325 my $path = $self->{path}; 1428 my $path = $self->{path};
1326 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1429 my $guard = cf::lock_acquire "map_load:$path";
1327 1430
1328 return if $self->in_memory != cf::MAP_SWAPPED; 1431 return if $self->in_memory != cf::MAP_SWAPPED;
1329 1432
1330 $self->in_memory (cf::MAP_LOADING); 1433 $self->in_memory (cf::MAP_LOADING);
1331 1434
1332 $self->alloc; 1435 $self->alloc;
1436
1437 $self->pre_load;
1438
1333 $self->load_objects ($self->{load_path}, 1) 1439 $self->_load_objects ($self->{load_path}, 1)
1334 or return; 1440 or return;
1335 1441
1336 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337 if delete $self->{load_original}; 1443 if delete $self->{load_original};
1338 1444
1339 if (my $uniq = $path->uniq_path) { 1445 if (my $uniq = $self->uniq_path) {
1340 utf8::encode $uniq; 1446 utf8::encode $uniq;
1341 if (aio_open $uniq, O_RDONLY, 0) { 1447 if (aio_open $uniq, O_RDONLY, 0) {
1342 $self->clear_unique_items; 1448 $self->clear_unique_items;
1343 $self->load_objects ($uniq, 0); 1449 $self->_load_objects ($uniq, 0);
1344 } 1450 }
1345 } 1451 }
1346 1452
1347 Coro::cede; 1453 Coro::cede;
1348 1454
1349 # now do the right thing for maps 1455 # now do the right thing for maps
1350 $self->link_multipart_objects; 1456 $self->link_multipart_objects;
1351 1457
1352 if ($self->{path}->is_style_map) { 1458 unless ($self->{deny_activate}) {
1353 $self->{deny_save} = 1; 1459 $self->decay_objects;
1354 $self->{deny_reset} = 1;
1355 } else {
1356 $self->fix_auto_apply; 1460 $self->fix_auto_apply;
1357 $self->decay_objects;
1358 $self->update_buttons; 1461 $self->update_buttons;
1462 Coro::cede;
1359 $self->set_darkness_map; 1463 $self->set_darkness_map;
1360 $self->difficulty ($self->estimate_difficulty) 1464 $self->difficulty ($self->estimate_difficulty)
1361 unless $self->difficulty; 1465 unless $self->difficulty;
1466 Coro::cede;
1362 $self->activate; 1467 $self->activate;
1363 } 1468 }
1364 1469
1365 Coro::cede; 1470 $self->post_load;
1366 1471
1367 $self->in_memory (cf::MAP_IN_MEMORY); 1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473}
1474
1475sub customise_for {
1476 my ($self, $ob) = @_;
1477
1478 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player;
1480
1481 $self
1482}
1483
1484# find and load all maps in the 3x3 area around a map
1485sub load_diag {
1486 my ($map) = @_;
1487
1488 my @diag; # diagonal neighbours
1489
1490 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_)
1492 or next;
1493 $neigh = find $neigh, $map
1494 or next;
1495 $neigh->load;
1496
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 }
1500
1501 for (@diag) {
1502 my $neigh = find @$_
1503 or next;
1504 $neigh->load;
1505 }
1368} 1506}
1369 1507
1370sub find_sync { 1508sub find_sync {
1371 my ($path, $origin) = @_; 1509 my ($path, $origin) = @_;
1372 1510
1373 cf::sync_job { cf::map::find $path, $origin } 1511 cf::sync_job { find $path, $origin }
1374} 1512}
1375 1513
1376sub do_load_sync { 1514sub do_load_sync {
1377 my ($map) = @_; 1515 my ($map) = @_;
1378 1516
1379 cf::sync_job { $map->load }; 1517 cf::sync_job { $map->load };
1380} 1518}
1381 1519
1520our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef;
1522
1523sub find_async {
1524 my ($path, $origin) = @_;
1525
1526 $path = normalise $path, $origin && $origin->{path};
1527
1528 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1530 }
1531
1532 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path
1537 or next;
1538 $map->load;
1539
1540 delete $MAP_PREFETCH{$path};
1541 }
1542 }
1543 undef $MAP_PREFETCHER;
1544 };
1545 $MAP_PREFETCHER->prio (6);
1546
1547 ()
1548}
1549
1382sub save { 1550sub save {
1383 my ($self) = @_; 1551 my ($self) = @_;
1384 1552
1385 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:" . $self->path;
1386 1554
1387 $self->{last_save} = $cf::RUNTIME; 1555 $self->{last_save} = $cf::RUNTIME;
1388 1556
1389 return unless $self->dirty; 1557 return unless $self->dirty;
1390 1558
1391 my $save = $self->{path}->save_path; utf8::encode $save; 1559 my $save = $self->save_path; utf8::encode $save;
1392 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1560 my $uniq = $self->uniq_path; utf8::encode $uniq;
1393 1561
1394 $self->{load_path} = $save; 1562 $self->{load_path} = $save;
1395 1563
1396 return if $self->{deny_save}; 1564 return if $self->{deny_save};
1397 1565
1400 cf::async { 1568 cf::async {
1401 $_->contr->save for $self->players; 1569 $_->contr->save for $self->players;
1402 }; 1570 };
1403 1571
1404 if ($uniq) { 1572 if ($uniq) {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406 $self->save_objects ($uniq, cf::IO_UNIQUES); 1574 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1407 } else { 1575 } else {
1408 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1576 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409 } 1577 }
1410} 1578}
1411 1579
1412sub swap_out { 1580sub swap_out {
1413 my ($self) = @_; 1581 my ($self) = @_;
1427 1595
1428sub reset_at { 1596sub reset_at {
1429 my ($self) = @_; 1597 my ($self) = @_;
1430 1598
1431 # TODO: safety, remove and allow resettable per-player maps 1599 # TODO: safety, remove and allow resettable per-player maps
1432 return 1e99 if $self->{path}{user_rel}; 1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1433 return 1e99 if $self->{deny_reset}; 1601 return 1e99 if $self->{deny_reset};
1434 1602
1435 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437 1605
1442 my ($self) = @_; 1610 my ($self) = @_;
1443 1611
1444 $self->reset_at <= $cf::RUNTIME 1612 $self->reset_at <= $cf::RUNTIME
1445} 1613}
1446 1614
1447sub unlink_save {
1448 my ($self) = @_;
1449
1450 utf8::encode (my $save = $self->{path}->save_path);
1451 aioreq_pri 3; IO::AIO::aio_unlink $save;
1452 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453}
1454
1455sub rename {
1456 my ($self, $new_path) = @_;
1457
1458 $self->unlink_save;
1459
1460 delete $cf::MAP{$self->path};
1461 $self->{path} = new cf::path $new_path;
1462 $self->path ($self->{path}->as_string);
1463 $cf::MAP{$self->path} = $self;
1464
1465 $self->save;
1466}
1467
1468sub reset { 1615sub reset {
1469 my ($self) = @_; 1616 my ($self) = @_;
1470 1617
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1618 my $lock = cf::lock_acquire "map_data:$self->{path}";
1472 1619
1473 return if $self->players; 1620 return if $self->players;
1474 return if $self->{path}{user_rel};#d# 1621 return if $self->isa ("ext::map_per_player");#d#
1475 1622
1476 warn "resetting map ", $self->path;#d# 1623 warn "resetting map ", $self->path;#d#
1477 1624
1625 $self->in_memory (cf::MAP_SWAPPED);
1626
1627 # need to save uniques path
1628 unless ($self->{deny_save}) {
1629 my $uniq = $self->uniq_path; utf8::encode $uniq;
1630
1631 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1632 if $uniq;
1633 }
1634
1478 delete $cf::MAP{$self->path}; 1635 delete $cf::MAP{$self->path};
1636
1637 $self->clear;
1479 1638
1480 $_->clear_links_to ($self) for values %cf::MAP; 1639 $_->clear_links_to ($self) for values %cf::MAP;
1481 1640
1482 $self->unlink_save; 1641 $self->unlink_save;
1483 $self->destroy; 1642 $self->destroy;
1486my $nuke_counter = "aaaa"; 1645my $nuke_counter = "aaaa";
1487 1646
1488sub nuke { 1647sub nuke {
1489 my ($self) = @_; 1648 my ($self) = @_;
1490 1649
1650 delete $cf::MAP{$self->path};
1651
1652 $self->unlink_save;
1653
1654 bless $self, "cf::map";
1655 delete $self->{deny_reset};
1491 $self->{deny_save} = 1; 1656 $self->{deny_save} = 1;
1492 $self->reset_timeout (1); 1657 $self->reset_timeout (1);
1493 $self->rename ("{nuke}/" . ($nuke_counter++)); 1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659
1660 $cf::MAP{$self->path} = $self;
1661
1494 $self->reset; # polite request, might not happen 1662 $self->reset; # polite request, might not happen
1495} 1663}
1496 1664
1497sub customise_for { 1665=item cf::map::unique_maps
1498 my ($map, $ob) = @_;
1499 1666
1500 if ($map->per_player) { 1667Returns an arrayref of paths of all shared maps that have
1501 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1668instantiated unique items. May block.
1502 }
1503 1669
1504 $map 1670=cut
1505}
1506 1671
1507sub emergency_save { 1672sub unique_maps() {
1508 my $freeze_guard = cf::freeze_mainloop; 1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1674 or return;
1509 1675
1510 warn "enter emergency perl save\n"; 1676 my @paths;
1511 1677
1512 cf::sync_job { 1678 for (@$files) {
1513 warn "begin emergency player save\n"; 1679 utf8::decode $_;
1514 $_->save for values %cf::PLAYER; 1680 next if /\.pst$/;
1515 warn "end emergency player save\n"; 1681 next unless /^$PATH_SEP/o;
1516 1682
1517 warn "begin emergency map save\n"; 1683 push @paths, cf::map::normalise $_;
1518 $_->save for values %cf::MAP;
1519 warn "end emergency map save\n";
1520 }; 1684 }
1521 1685
1522 warn "leave emergency perl save\n"; 1686 \@paths
1523} 1687}
1524 1688
1525package cf; 1689package cf;
1526 1690
1527=back 1691=back
1528 1692
1693=head3 cf::object
1694
1695=cut
1696
1697package cf::object;
1698
1699=over 4
1700
1701=item $ob->inv_recursive
1702
1703Returns the inventory of the object _and_ their inventories, recursively.
1704
1705=cut
1706
1707sub inv_recursive_;
1708sub inv_recursive_ {
1709 map { $_, inv_recursive_ $_->inv } @_
1710}
1711
1712sub inv_recursive {
1713 inv_recursive_ inv $_[0]
1714}
1715
1716package cf;
1717
1718=back
1529 1719
1530=head3 cf::object::player 1720=head3 cf::object::player
1531 1721
1532=over 4 1722=over 4
1533 1723
1573 1763
1574=item $player_object->enter_link 1764=item $player_object->enter_link
1575 1765
1576Freezes the player and moves him/her to a special map (C<{link}>). 1766Freezes the player and moves him/her to a special map (C<{link}>).
1577 1767
1578The player should be reaosnably safe there for short amounts of time. You 1768The player should be reasonably safe there for short amounts of time. You
1579I<MUST> call C<leave_link> as soon as possible, though. 1769I<MUST> call C<leave_link> as soon as possible, though.
1580 1770
1771Will never block.
1772
1581=item $player_object->leave_link ($map, $x, $y) 1773=item $player_object->leave_link ($map, $x, $y)
1582 1774
1583Moves the player out of the specila link map onto the given map. If the 1775Moves the player out of the special C<{link}> map onto the specified
1584map is not valid (or omitted), the player will be moved back to the 1776map. If the map is not valid (or omitted), the player will be moved back
1585location he/she was before the call to C<enter_link>, or, if that fails, 1777to the location he/she was before the call to C<enter_link>, or, if that
1586to the emergency map position. 1778fails, to the emergency map position.
1587 1779
1588Might block. 1780Might block.
1589 1781
1590=cut 1782=cut
1783
1784sub link_map {
1785 unless ($LINK_MAP) {
1786 $LINK_MAP = cf::map::find "{link}"
1787 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1788 $LINK_MAP->load;
1789 }
1790
1791 $LINK_MAP
1792}
1591 1793
1592sub cf::object::player::enter_link { 1794sub cf::object::player::enter_link {
1593 my ($self) = @_; 1795 my ($self) = @_;
1594 1796
1595 $self->deactivate_recursive; 1797 $self->deactivate_recursive;
1596 1798
1597 return if $self->map == $LINK_MAP; 1799 return if UNIVERSAL::isa $self->map, "ext::map_link";
1598 1800
1599 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600 if $self->map; 1802 if $self->map;
1601 1803
1602 $self->enter_map ($LINK_MAP, 20, 20); 1804 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1603} 1805}
1604 1806
1605sub cf::object::player::leave_link { 1807sub cf::object::player::leave_link {
1606 my ($self, $map, $x, $y) = @_; 1808 my ($self, $map, $x, $y) = @_;
1607 1809
1625 # use -1 or undef as default coordinates, not 0, 0 1827 # use -1 or undef as default coordinates, not 0, 0
1626 ($x, $y) = ($map->enter_x, $map->enter_y) 1828 ($x, $y) = ($map->enter_x, $map->enter_y)
1627 if $x <=0 && $y <= 0; 1829 if $x <=0 && $y <= 0;
1628 1830
1629 $map->load; 1831 $map->load;
1832 $map->load_diag;
1630 1833
1631 return unless $self->contr->active; 1834 return unless $self->contr->active;
1632 $self->activate_recursive; 1835 $self->activate_recursive;
1836
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633 $self->enter_map ($map, $x, $y); 1838 $self->enter_map ($map, $x, $y);
1634} 1839}
1635 1840
1636cf::player->attach ( 1841cf::player->attach (
1637 on_logout => sub { 1842 on_logout => sub {
1650 # try to abort aborted map switching on player login :) 1855 # try to abort aborted map switching on player login :)
1651 # should happen only on crashes 1856 # should happen only on crashes
1652 if ($pl->ob->{_link_pos}) { 1857 if ($pl->ob->{_link_pos}) {
1653 $pl->ob->enter_link; 1858 $pl->ob->enter_link;
1654 (async { 1859 (async {
1655 # we need this sleep as the login has a concurrent enter_exit running
1656 # and this sleep increases chances of the player not ending up in scorn
1657 $pl->ob->reply (undef, 1860 $pl->ob->reply (undef,
1658 "There was an internal problem at your last logout, " 1861 "There was an internal problem at your last logout, "
1659 . "the server will try to bring you to your intended destination in a second.", 1862 . "the server will try to bring you to your intended destination in a second.",
1660 cf::NDI_RED); 1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1661 Coro::Timer::sleep 1; 1866 Coro::Timer::sleep 1;
1662 $pl->ob->leave_link; 1867 $pl->ob->leave_link;
1663 })->prio (2); 1868 })->prio (2);
1664 } 1869 }
1665 }, 1870 },
1673 my ($self, $path, $x, $y) = @_; 1878 my ($self, $path, $x, $y) = @_;
1674 1879
1675 $self->enter_link; 1880 $self->enter_link;
1676 1881
1677 (async { 1882 (async {
1678 $path = new cf::path $path; 1883 my $map = eval {
1679
1680 my $map = cf::map::find $path->as_string; 1884 my $map = cf::map::find $path;
1681 $map = $map->customise_for ($self) if $map; 1885 $map = $map->customise_for ($self) if $map;
1682 1886 $map
1683# warn "entering ", $map->path, " at ($x, $y)\n" 1887 } or
1684# if $map;
1685
1686 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687 1889
1688 $self->leave_link ($map, $x, $y); 1890 $self->leave_link ($map, $x, $y);
1689 })->prio (1); 1891 })->prio (1);
1690} 1892}
1691 1893
1695 1897
1696sub parse_random_map_params { 1898sub parse_random_map_params {
1697 my ($spec) = @_; 1899 my ($spec) = @_;
1698 1900
1699 my $rmp = { # defaults 1901 my $rmp = { # defaults
1700 xsize => 10, 1902 xsize => (cf::rndm 15, 40),
1701 ysize => 10, 1903 ysize => (cf::rndm 15, 40),
1904 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1905 #layout => string,
1702 }; 1906 };
1703 1907
1704 for (split /\n/, $spec) { 1908 for (split /\n/, $spec) {
1705 my ($k, $v) = split /\s+/, $_, 2; 1909 my ($k, $v) = split /\s+/, $_, 2;
1706 1910
1710 $rmp 1914 $rmp
1711} 1915}
1712 1916
1713sub prepare_random_map { 1917sub prepare_random_map {
1714 my ($exit) = @_; 1918 my ($exit) = @_;
1919
1920 my $guard = cf::lock_acquire "exit_prepare:$exit";
1715 1921
1716 # all this does is basically replace the /! path by 1922 # all this does is basically replace the /! path by
1717 # a new random map path (?random/...) with a seed 1923 # a new random map path (?random/...) with a seed
1718 # that depends on the exit object 1924 # that depends on the exit object
1719 1925
1720 my $rmp = parse_random_map_params $exit->msg; 1926 my $rmp = parse_random_map_params $exit->msg;
1721 1927
1722 if ($exit->map) { 1928 if ($exit->map) {
1723 $rmp->{region} = $exit->map->region_name; 1929 $rmp->{region} = $exit->region->name;
1724 $rmp->{origin_map} = $exit->map->path; 1930 $rmp->{origin_map} = $exit->map->path;
1725 $rmp->{origin_x} = $exit->x; 1931 $rmp->{origin_x} = $exit->x;
1726 $rmp->{origin_y} = $exit->y; 1932 $rmp->{origin_y} = $exit->y;
1727 } 1933 }
1728 1934
1729 $rmp->{random_seed} ||= $exit->random_seed; 1935 $rmp->{random_seed} ||= $exit->random_seed;
1730 1936
1731 my $data = cf::to_json $rmp; 1937 my $data = cf::to_json $rmp;
1732 my $md5 = Digest::MD5::md5_hex $data; 1938 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733 1940
1734 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735 aio_write $fh, 0, (length $data), $data, 0; 1942 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh;
1944 aio_rename "$meta~", $meta;
1736 1945
1737 $exit->slaying ("?random/$md5"); 1946 $exit->slaying ("?random/$md5");
1738 $exit->msg (undef); 1947 $exit->msg (undef);
1739 } 1948 }
1740} 1949}
1741 1950
1742sub cf::object::player::enter_exit { 1951sub cf::object::player::enter_exit {
1743 my ($self, $exit) = @_; 1952 my ($self, $exit) = @_;
1744 1953
1745 return unless $self->type == cf::PLAYER; 1954 return unless $self->type == cf::PLAYER;
1955
1956 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job
1958 cf::sync_job { prepare_random_map $exit };
1959 }
1960
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp;
1746 1964
1747 $self->enter_link; 1965 $self->enter_link;
1748 1966
1749 (async { 1967 (async {
1750 $self->deactivate_recursive; # just to be sure 1968 $self->deactivate_recursive; # just to be sure
1751 unless (eval { 1969 unless (eval {
1752 prepare_random_map $exit 1970 $self->goto ($slaying, $hp, $sp);
1753 if $exit->slaying eq "/!";
1754
1755 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757 1971
1758 1; 1972 1;
1759 }) { 1973 }) {
1760 $self->message ("Something went wrong deep within the crossfire server. " 1974 $self->message ("Something went wrong deep within the crossfire server. "
1761 . "I'll try to bring you back to the map you were before. " 1975 . "I'll try to bring you back to the map you were before. "
1762 . "Please report this to the dungeon master", 1976 . "Please report this to the dungeon master!",
1763 cf::NDI_UNIQUE | cf::NDI_RED); 1977 cf::NDI_UNIQUE | cf::NDI_RED);
1764 1978
1765 warn "ERROR in enter_exit: $@"; 1979 warn "ERROR in enter_exit: $@";
1766 $self->leave_link; 1980 $self->leave_link;
1767 } 1981 }
1822 # get handled first 2036 # get handled first
1823 my $queue = delete $ns->{query_queue} 2037 my $queue = delete $ns->{query_queue}
1824 or return; # be conservative, not sure how that can happen, but we saw a crash here 2038 or return; # be conservative, not sure how that can happen, but we saw a crash here
1825 2039
1826 (shift @$queue)->[1]->($msg); 2040 (shift @$queue)->[1]->($msg);
2041 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827 2042
1828 push @{ $ns->{query_queue} }, @$queue; 2043 push @{ $ns->{query_queue} }, @$queue;
1829 2044
1830 if (@{ $ns->{query_queue} } == @$queue) { 2045 if (@{ $ns->{query_queue} } == @$queue) {
1831 if (@$queue) { 2046 if (@$queue) {
1992The parameter C<$family> should best start with the name of the extension 2207The parameter C<$family> should best start with the name of the extension
1993using it, it should be unique. 2208using it, it should be unique.
1994 2209
1995=over 4 2210=over 4
1996 2211
1997=item $hashref = cf::db_get $family
1998
1999Return a hashref for use by the extension C<$family>, which can be
2000modified. After modifications, you have to call C<cf::db_dirty> or
2001C<cf::db_sync>.
2002
2003=item $value = cf::db_get $family => $key 2212=item $value = cf::db_get $family => $key
2004 2213
2005Returns a single value from the database 2214Returns a single value from the database.
2006
2007=item cf::db_put $family => $hashref
2008
2009Stores the given family hashref into the database. Updates are delayed, if
2010you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011 2215
2012=item cf::db_put $family => $key => $value 2216=item cf::db_put $family => $key => $value
2013 2217
2014Stores the given C<$value> in the family hash. Updates are delayed, if you 2218Stores the given C<$value> in the family.
2015want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017=item cf::db_dirty
2018
2019Marks the database as dirty, to be updated at a later time.
2020
2021=item cf::db_sync
2022
2023Immediately write the database to disk I<if it is dirty>.
2024 2219
2025=cut 2220=cut
2026 2221
2027our $DB; 2222our $DB;
2028 2223
2029{ 2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2030 my $path = cf::localdir . "/database.pst"; 2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2031 2243
2032 sub db_load() { 2244 cf::db_put (board => data => $pst->{board});
2033 $DB = stat $path ? Storable::retrieve $path : { }; 2245 cf::db_put (guildrules => data => $pst->{guildrules});
2034 } 2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2035 2248
2036 my $pid; 2249 unlink $path;
2037
2038 sub db_save() {
2039 waitpid $pid, 0 if $pid;
2040 if (0 == ($pid = fork)) {
2041 $DB->{_meta}{version} = 1;
2042 Storable::nstore $DB, "$path~";
2043 rename "$path~", $path;
2044 cf::_exit 0 if defined $pid;
2045 } 2250 };
2046 }
2047
2048 my $dirty;
2049
2050 sub db_sync() {
2051 db_save if $dirty;
2052 undef $dirty;
2053 }
2054
2055 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056 db_sync;
2057 });
2058
2059 sub db_dirty() {
2060 $dirty = 1;
2061 $idle->start;
2062 }
2063
2064 sub db_get($;$) {
2065 @_ >= 2
2066 ? $DB->{$_[0]}{$_[1]}
2067 : ($DB->{$_[0]} ||= { })
2068 }
2069
2070 sub db_put($$;$) {
2071 if (@_ >= 3) {
2072 $DB->{$_[0]}{$_[1]} = $_[2];
2073 } else {
2074 $DB->{$_[0]} = $_[1];
2075 }
2076 db_dirty;
2077 }
2078
2079 cf::global->attach (
2080 prio => 10000,
2081 on_cleanup => sub {
2082 db_sync;
2083 }, 2251 }
2084 ); 2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2085} 2269}
2086 2270
2087############################################################################# 2271#############################################################################
2088# the server's main() 2272# the server's init and main functions
2273
2274sub load_faces {
2275 my $path = sprintf "%s/faces", cf::datadir;
2276
2277 warn "loading faces from $path\n";
2278
2279 my $faces;
2280 0 < aio_load $path, $faces
2281 or die "$path: $!";
2282
2283 Coro::cede;
2284 $faces = Storable::thaw $faces;
2285 Coro::cede;
2286
2287 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291 Coro::cede;
2292 }
2293
2294 1
2295}
2296
2297sub reload_resources {
2298 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2299 or die "unable to load regions file\n";#d#
2300 load_faces
2301 or die "unable to load faces\n";#d#
2302}
2303
2304sub init {
2305 reload_resources;
2306}
2089 2307
2090sub cfg_load { 2308sub cfg_load {
2091 open my $fh, "<:utf8", cf::confdir . "/config" 2309 open my $fh, "<:utf8", cf::confdir . "/config"
2092 or return; 2310 or return;
2093 2311
2099 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2317 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2318 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101 2319
2102 if (exists $CFG{mlockall}) { 2320 if (exists $CFG{mlockall}) {
2103 eval { 2321 eval {
2104 $CFG{mlockall} ? &mlockall : &munlockall 2322 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105 and die "WARNING: m(un)lockall failed: $!\n"; 2323 and die "WARNING: m(un)lockall failed: $!\n";
2106 }; 2324 };
2107 warn $@ if $@; 2325 warn $@ if $@;
2108 } 2326 }
2109} 2327}
2110 2328
2111sub main { 2329sub main {
2112 # we must not ever block the main coroutine 2330 # we must not ever block the main coroutine
2113 local $Coro::idle = sub { 2331 local $Coro::idle = sub {
2114 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2332 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333 (async {
2115 async { Event::one_event }; 2334 Event::one_event;
2335 })->prio (Coro::PRIO_MAX);
2116 }; 2336 };
2117 2337
2118 cfg_load; 2338 cfg_load;
2119 db_load; 2339 db_init;
2120 load_extensions; 2340 load_extensions;
2341
2342 $TICK_WATCHER->start;
2121 Event::loop; 2343 Event::loop;
2122} 2344}
2123 2345
2124############################################################################# 2346#############################################################################
2125# initialisation 2347# initialisation and cleanup
2348
2349# install some emergency cleanup handlers
2350BEGIN {
2351 for my $signal (qw(INT HUP TERM)) {
2352 Event->signal (
2353 reentrant => 0,
2354 data => WF_AUTOCANCEL,
2355 signal => $signal,
2356 prio => 0,
2357 cb => sub {
2358 cf::cleanup "SIG$signal";
2359 },
2360 );
2361 }
2362}
2363
2364sub emergency_save() {
2365 my $freeze_guard = cf::freeze_mainloop;
2366
2367 warn "enter emergency perl save\n";
2368
2369 cf::sync_job {
2370 # use a peculiar iteration method to avoid tripping on perl
2371 # refcount bugs in for. also avoids problems with players
2372 # and maps saved/destroyed asynchronously.
2373 warn "begin emergency player save\n";
2374 for my $login (keys %cf::PLAYER) {
2375 my $pl = $cf::PLAYER{$login} or next;
2376 $pl->valid or next;
2377 $pl->save;
2378 }
2379 warn "end emergency player save\n";
2380
2381 warn "begin emergency map save\n";
2382 for my $path (keys %cf::MAP) {
2383 my $map = $cf::MAP{$path} or next;
2384 $map->valid or next;
2385 $map->save;
2386 }
2387 warn "end emergency map save\n";
2388
2389 warn "begin emergency database checkpoint\n";
2390 BDB::db_env_txn_checkpoint $DB_ENV;
2391 warn "end emergency database checkpoint\n";
2392 };
2393
2394 warn "leave emergency perl save\n";
2395}
2396
2397sub post_cleanup {
2398 my ($make_core) = @_;
2399
2400 warn Carp::longmess "post_cleanup backtrace"
2401 if $make_core;
2402}
2126 2403
2127sub reload() { 2404sub reload() {
2128 # can/must only be called in main 2405 # can/must only be called in main
2129 if ($Coro::current != $Coro::main) { 2406 if ($Coro::current != $Coro::main) {
2130 warn "can only reload from main coroutine\n"; 2407 warn "can only reload from main coroutine";
2131 return; 2408 return;
2132 } 2409 }
2133 2410
2134 warn "reloading..."; 2411 warn "reloading...";
2135 2412
2136 my $guard = freeze_mainloop; 2413 warn "entering sync_job";
2414
2415 cf::sync_job {
2416 cf::write_runtime; # external watchdog should not bark
2137 cf::emergency_save; 2417 cf::emergency_save;
2418 cf::write_runtime; # external watchdog should not bark
2138 2419
2139 eval { 2420 warn "syncing database to disk";
2421 BDB::db_env_txn_checkpoint $DB_ENV;
2422
2140 # if anything goes wrong in here, we should simply crash as we already saved 2423 # if anything goes wrong in here, we should simply crash as we already saved
2141 2424
2142 # cancel all watchers 2425 warn "cancelling all WF_AUTOCANCEL watchers";
2143 for (Event::all_watchers) { 2426 for (Event::all_watchers) {
2144 $_->cancel if $_->data & WF_AUTOCANCEL; 2427 $_->cancel if $_->data & WF_AUTOCANCEL;
2145 } 2428 }
2146 2429
2430 warn "flushing outstanding aio requests";
2431 for (;;) {
2432 BDB::flush;
2433 IO::AIO::flush;
2434 Coro::cede;
2435 last unless IO::AIO::nreqs || BDB::nreqs;
2436 warn "iterate...";
2437 }
2438
2439 ++$RELOAD;
2440
2147 # cancel all extension coros 2441 warn "cancelling all extension coros";
2148 $_->cancel for values %EXT_CORO; 2442 $_->cancel for values %EXT_CORO;
2149 %EXT_CORO = (); 2443 %EXT_CORO = ();
2150 2444
2151 # unload all extensions 2445 warn "removing commands";
2152 for (@exts) { 2446 %COMMAND = ();
2447
2448 warn "removing ext commands";
2449 %EXTCMD = ();
2450
2451 warn "unloading/nuking all extensions";
2452 for my $pkg (@EXTS) {
2153 warn "unloading <$_>"; 2453 warn "... unloading $pkg";
2154 unload_extension $_; 2454
2455 if (my $cb = $pkg->can ("unload")) {
2456 eval {
2457 $cb->($pkg);
2458 1
2459 } or warn "$pkg unloaded, but with errors: $@";
2155 } 2460 }
2156 2461
2462 warn "... nuking $pkg";
2463 Symbol::delete_package $pkg;
2464 }
2465
2157 # unload all modules loaded from $LIBDIR 2466 warn "unloading all perl modules loaded from $LIBDIR";
2158 while (my ($k, $v) = each %INC) { 2467 while (my ($k, $v) = each %INC) {
2159 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2468 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160 2469
2161 warn "removing <$k>"; 2470 warn "... unloading $k";
2162 delete $INC{$k}; 2471 delete $INC{$k};
2163 2472
2164 $k =~ s/\.pm$//; 2473 $k =~ s/\.pm$//;
2165 $k =~ s/\//::/g; 2474 $k =~ s/\//::/g;
2166 2475
2169 } 2478 }
2170 2479
2171 Symbol::delete_package $k; 2480 Symbol::delete_package $k;
2172 } 2481 }
2173 2482
2174 # sync database to disk
2175 cf::db_sync;
2176 IO::AIO::flush;
2177
2178 # get rid of safe::, as good as possible 2483 warn "getting rid of safe::, as good as possible";
2179 Symbol::delete_package "safe::$_" 2484 Symbol::delete_package "safe::$_"
2180 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2485 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181 2486
2182 # remove register_script_function callbacks
2183 # TODO
2184
2185 # unload cf.pm "a bit" 2487 warn "unloading cf.pm \"a bit\"";
2186 delete $INC{"cf.pm"}; 2488 delete $INC{"cf.pm"};
2187 2489
2188 # don't, removes xs symbols, too, 2490 # don't, removes xs symbols, too,
2189 # and global variables created in xs 2491 # and global variables created in xs
2190 #Symbol::delete_package __PACKAGE__; 2492 #Symbol::delete_package __PACKAGE__;
2191 2493
2192 # reload cf.pm 2494 warn "unload completed, starting to reload now";
2495
2193 warn "reloading cf.pm"; 2496 warn "reloading cf.pm";
2194 require cf; 2497 require cf;
2195 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2498 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196 2499
2197 # load config and database again 2500 warn "loading config and database again";
2198 cf::cfg_load; 2501 cf::cfg_load;
2199 cf::db_load;
2200 2502
2201 # load extensions
2202 warn "load extensions"; 2503 warn "loading extensions";
2203 cf::load_extensions; 2504 cf::load_extensions;
2204 2505
2205 # reattach attachments to objects 2506 warn "reattaching attachments to objects/players";
2206 warn "reattach"; 2507 _global_reattach; # objects, sockets
2207 _global_reattach; 2508 warn "reattaching attachments to maps";
2208 reattach $_ for values %MAP; 2509 reattach $_ for values %MAP;
2209 }; 2510 warn "reattaching attachments to players";
2511 reattach $_ for values %PLAYER;
2210 2512
2211 if ($@) { 2513 warn "loading reloadable resources";
2514 reload_resources;
2515
2516 warn "leaving sync_job";
2517
2518 1
2519 } or do {
2212 warn $@; 2520 warn $@;
2213 warn "error while reloading, exiting."; 2521 warn "error while reloading, exiting.";
2214 exit 1; 2522 exit 1;
2215 } 2523 };
2216 2524
2217 warn "reloaded successfully"; 2525 warn "reloaded";
2218}; 2526};
2219 2527
2220############################################################################# 2528our $RELOAD_WATCHER; # used only during reload
2221
2222unless ($LINK_MAP) {
2223 $LINK_MAP = cf::map::new;
2224
2225 $LINK_MAP->width (41);
2226 $LINK_MAP->height (41);
2227 $LINK_MAP->alloc;
2228 $LINK_MAP->path ("{link}");
2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232 # dirty hack because... archetypes are not yet loaded
2233 Event->timer (
2234 after => 10,
2235 cb => sub {
2236 $_[0]->w->cancel;
2237
2238 # provide some exits "home"
2239 my $exit = cf::object::new "exit";
2240
2241 $exit->slaying ($EMERGENCY_POSITION->[0]);
2242 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245 $LINK_MAP->insert ($exit->clone, 19, 19);
2246 $LINK_MAP->insert ($exit->clone, 19, 20);
2247 $LINK_MAP->insert ($exit->clone, 19, 21);
2248 $LINK_MAP->insert ($exit->clone, 20, 19);
2249 $LINK_MAP->insert ($exit->clone, 20, 21);
2250 $LINK_MAP->insert ($exit->clone, 21, 19);
2251 $LINK_MAP->insert ($exit->clone, 21, 20);
2252 $LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254 $exit->destroy;
2255 });
2256
2257 $LINK_MAP->{deny_save} = 1;
2258 $LINK_MAP->{deny_reset} = 1;
2259
2260 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261}
2262
2263register "<global>", __PACKAGE__;
2264 2529
2265register_command "reload" => sub { 2530register_command "reload" => sub {
2266 my ($who, $arg) = @_; 2531 my ($who, $arg) = @_;
2267 2532
2268 if ($who->flag (FLAG_WIZ)) { 2533 if ($who->flag (FLAG_WIZ)) {
2269 $who->message ("start of reload."); 2534 $who->message ("reloading server.");
2535
2536 # doing reload synchronously and two reloads happen back-to-back,
2537 # coro crashes during coro_state_free->destroy here.
2538
2539 $RELOAD_WATCHER ||= Event->timer (
2540 reentrant => 0,
2541 after => 0,
2542 data => WF_AUTOCANCEL,
2543 cb => sub {
2270 reload; 2544 reload;
2271 $who->message ("end of reload."); 2545 undef $RELOAD_WATCHER;
2546 },
2547 );
2272 } 2548 }
2273}; 2549};
2274 2550
2275unshift @INC, $LIBDIR; 2551unshift @INC, $LIBDIR;
2552
2553my $bug_warning = 0;
2276 2554
2277$TICK_WATCHER = Event->timer ( 2555$TICK_WATCHER = Event->timer (
2278 reentrant => 0, 2556 reentrant => 0,
2557 parked => 1,
2279 prio => 0, 2558 prio => 0,
2280 at => $NEXT_TICK || $TICK, 2559 at => $NEXT_TICK || $TICK,
2281 data => WF_AUTOCANCEL, 2560 data => WF_AUTOCANCEL,
2282 cb => sub { 2561 cb => sub {
2562 if ($Coro::current != $Coro::main) {
2563 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564 unless ++$bug_warning > 10;
2565 return;
2566 }
2567
2568 $NOW = Event::time;
2569
2283 cf::server_tick; # one server iteration 2570 cf::server_tick; # one server iteration
2284 $RUNTIME += $TICK; 2571 $RUNTIME += $TICK;
2285 $NEXT_TICK += $TICK; 2572 $NEXT_TICK += $TICK;
2573
2574 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575 $NEXT_RUNTIME_WRITE = $NOW + 10;
2576 Coro::async_pool {
2577 write_runtime
2578 or warn "ERROR: unable to write runtime file: $!";
2579 };
2580 }
2581
2582 $WAIT_FOR_TICK->broadcast;
2583 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585# my $AFTER = Event::time;
2586# warn $AFTER - $NOW;#d#
2286 2587
2287 # if we are delayed by four ticks or more, skip them all 2588 # if we are delayed by four ticks or more, skip them all
2288 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2589 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289 2590
2290 $TICK_WATCHER->at ($NEXT_TICK); 2591 $TICK_WATCHER->at ($NEXT_TICK);
2291 $TICK_WATCHER->start; 2592 $TICK_WATCHER->start;
2292 }, 2593 },
2293); 2594);
2294 2595
2596{
2295IO::AIO::max_poll_time $TICK * 0.2; 2597 BDB::max_poll_time $TICK * 0.1;
2296 2598 $BDB_POLL_WATCHER = Event->io (
2297Event->io ( 2599 reentrant => 0,
2298 fd => IO::AIO::poll_fileno, 2600 fd => BDB::poll_fileno,
2299 poll => 'r', 2601 poll => 'r',
2300 prio => 5, 2602 prio => 0,
2301 data => WF_AUTOCANCEL,
2302 cb => \&IO::AIO::poll_cb,
2303);
2304
2305Event->timer (
2306 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2307 after => 0, 2604 cb => \&BDB::poll_cb,
2308 interval => 10, 2605 );
2309 cb => sub { 2606 BDB::min_parallel 8;
2310 (Coro::unblock_sub { 2607
2311 write_runtime 2608 BDB::set_sync_prepare {
2312 or warn "ERROR: unable to write runtime file: $!"; 2609 my $status;
2610 my $current = $Coro::current;
2611 (
2612 sub {
2613 $status = $!;
2614 $current->ready; undef $current;
2615 },
2616 sub {
2617 Coro::schedule while defined $current;
2618 $! = $status;
2619 },
2620 )
2621 };
2622
2623 unless ($DB_ENV) {
2624 $DB_ENV = BDB::db_env_create;
2625
2626 cf::sync_job {
2627 eval {
2628 BDB::db_env_open
2629 $DB_ENV,
2630 $BDB_ENV_DIR,
2631 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633 0666;
2634
2635 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2636
2637 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638 $DB_ENV->set_lk_detect;
2639 };
2640
2641 cf::cleanup "db_env_open(db): $@" if $@;
2313 })->(); 2642 };
2314 }, 2643 }
2315); 2644}
2645
2646{
2647 IO::AIO::min_parallel 8;
2648
2649 undef $Coro::AIO::WATCHER;
2650 IO::AIO::max_poll_time $TICK * 0.1;
2651 $AIO_POLL_WATCHER = Event->io (
2652 reentrant => 0,
2653 data => WF_AUTOCANCEL,
2654 fd => IO::AIO::poll_fileno,
2655 poll => 'r',
2656 prio => 6,
2657 cb => \&IO::AIO::poll_cb,
2658 );
2659}
2316 2660
2317END { cf::emergency_save } 2661END { cf::emergency_save }
2318 2662
23191 26631
2320 2664

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines