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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 26use YAML::Syck ();
27use IO::AIO 2.32 ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
27 37
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
30 40
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 42
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35our %COMMAND = (); 45our %COMMAND = ();
36our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
38 52
53our $RELOAD; # number of reloads so far
39our @EVENT; 54our @EVENT;
40our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
41 56
42our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 61our $NEXT_TICK;
45our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
46 67
47our %CFG; 68our %CFG;
48 69
49our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 71our $RUNTIME;
51 72
52our %PLAYER; # all users 73our %PLAYER; # all users
53our %MAP; # all maps 74our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81
82# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 84
58binmode STDOUT; 85binmode STDOUT;
59binmode STDERR; 86binmode STDERR;
60 87
61# read virtual server time, if available 88# read virtual server time, if available
68mkdir cf::localdir; 95mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
73 101
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
77 105
78############################################################################# 106#############################################################################
79 107
80=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
81 109
105 133
106=item %cf::CFG 134=item %cf::CFG
107 135
108Configuration for the server, loaded from C</etc/crossfire/config>, or 136Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 137from wherever your confdir points to.
138
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
140
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
143processing has been done. Call C<< ->wait >> on them to maximise the
144window of cpu time available, or simply to synchronise to the server tick.
110 145
111=back 146=back
112 147
113=cut 148=cut
114 149
118 utf8::encode $msg; 153 utf8::encode $msg;
119 154
120 $msg .= "\n" 155 $msg .= "\n"
121 unless $msg =~ /\n$/; 156 unless $msg =~ /\n$/;
122 157
123 LOG llevError, "cfperl: $msg"; 158 LOG llevError, $msg;
124 }; 159 };
125} 160}
126 161
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 181
147$Event::DIED = sub { 182$Event::DIED = sub {
148 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
149}; 184};
150 185
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
156 187
157=over 4 188=over 4
158 189
159=cut 190=item dumpval $ref
160 191
192=cut
193
194sub dumpval {
195 eval {
196 local $SIG{__DIE__};
197 my $d;
198 if (1) {
199 $d = new Data::Dumper([$_[0]], ["*var"]);
200 $d->Terse(1);
201 $d->Indent(2);
202 $d->Quotekeys(0);
203 $d->Useqq(1);
204 #$d->Bless(...);
205 $d->Seen($_[1]) if @_ > 1;
206 $d = $d->Dump();
207 }
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d
210 } || "[unable to dump $_[0]: '$@']";
211}
212
161use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 214
163=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
164 216
165Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
166 218
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
175 220
176Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
177
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184 222
185=item cf::lock_wait $string 223=item cf::lock_wait $string
186 224
187Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
188 226
225} 263}
226 264
227sub freeze_mainloop { 265sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
229 267
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
231 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
232 $guard 272 $guard
233} 273}
234 274
235=item cf::async { BLOCK } 275=item cf::async { BLOCK }
287 } 327 }
288} 328}
289 329
290=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
291 331
292Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 333extension calling this is being unloaded.
294 334
295=cut 335=cut
296 336
297sub async_ext(&) { 337sub async_ext(&) {
306 346
307 $coro 347 $coro
308} 348}
309 349
310sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
311 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
312 354
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 356 or return;
315 357
358 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 363 and return;
319 364
365 # always fsync - this file is important
320 aio_fsync $fh 366 aio_fsync $fh
321 and return; 367 and return;
322 368
323 close $fh 369 close $fh
324 or return; 370 or return;
327 and return; 373 and return;
328 374
329 1 375 1
330} 376}
331 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
332=back 389=back
333 390
334=cut 391=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
1080 944
945use Coro::AIO;
946
1081=head3 cf::player 947=head3 cf::player
1082 948
1083=over 4 949=over 4
1084 950
1085=item cf::player::find $login 951=item cf::player::find $login
1086 952
1087Returns the given player object, loading it if necessary (might block). 953Returns the given player object, loading it if necessary (might block).
1088 954
1089=cut 955=cut
1090 956
957sub playerdir($) {
958 cf::localdir
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963}
964
1091sub path($) { 965sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 967
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 968 (playerdir $login) . "/$login.pl"
1095} 969}
1096 970
1097sub find_active($) { 971sub find_active($) {
1098 $cf::PLAYER{$_[0]} 972 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 973 and $cf::PLAYER{$_[0]}->active
1102 976
1103sub exists($) { 977sub exists($) {
1104 my ($login) = @_; 978 my ($login) = @_;
1105 979
1106 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1108} 982}
1109 983
1110sub find($) { 984sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 986 my $login = $_[0];
1113 987
1114 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
1115 989
1116 $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 }
1117 }; 995 }
1118} 996}
1119 997
1120sub save($) { 998sub save($) {
1121 my ($pl) = @_; 999 my ($pl) = @_;
1122 1000
1124 1002
1125 my $path = path $pl; 1003 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 1004 my $guard = cf::lock_acquire "user_save:$path";
1127 1005
1128 return if $pl->{deny_save}; 1006 return if $pl->{deny_save};
1007
1008 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1009 $pl->{last_save} = $cf::RUNTIME;
1130 1010
1131 Coro::cede;
1132 $pl->save_pl ($path); 1011 $pl->save_pl ($path);
1133 Coro::cede; 1012 Coro::cede;
1134} 1013}
1135 1014
1136sub new($) { 1015sub new($) {
1144 $cf::PLAYER{$login} = $self; 1023 $cf::PLAYER{$login} = $self;
1145 1024
1146 $self 1025 $self
1147} 1026}
1148 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
1035sub quit_character {
1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1039
1040 $pl->{deny_save} = 1;
1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1042
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns;
1047
1048 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1050 aio_rename $path, $temp;
1051 delete $cf::PLAYER{$pl->ob->name};
1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
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;
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
1127}
1128
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, %msg)
1150 1130
1151Sends an ext reply to the player. 1131Sends an ext reply to the player.
1152 1132
1153=cut 1133=cut
1154 1134
1155sub ext_reply($$$%) { 1135sub ext_reply($$%) {
1156 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1157 1137
1158 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 delete $msg{msgid};
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1159 1155
1160 $self->send ("ext " . cf::to_json \%msg); 1156 $self->send ("ext " . cf::to_json \%msg);
1161} 1157}
1162 1158
1163package cf; 1159package cf;
1174package cf::map; 1170package cf::map;
1175 1171
1176use Fcntl; 1172use Fcntl;
1177use Coro::AIO; 1173use Coro::AIO;
1178 1174
1175use overload
1176 '""' => \&as_string,
1177 fallback => 1;
1178
1179our $MAX_RESET = 3600; 1179our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1180our $DEFAULT_RESET = 3000;
1181 1181
1182sub generate_random_map { 1182sub generate_random_map {
1183 my ($path, $rmp) = @_; 1183 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1184 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1185 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1186 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1187 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1188 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1189 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1190 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1191 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1192 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1193 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1194 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1195 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1196 (cf::region::find $rmp->{region}), $rmp->{custom}
1197 )
1198}
1199
1200=item cf::map->register ($regex, $prio)
1201
1202Register a handler for the map path matching the given regex at the
1203givne priority (higher is better, built-in handlers have priority 0, the
1204default).
1205
1206=cut
1207
1208sub register {
1209 my (undef, $regex, $prio) = @_;
1210 my $pkg = caller;
1211
1212 no strict;
1213 push @{"$pkg\::ISA"}, __PACKAGE__;
1214
1215 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216}
1217
1218# also paths starting with '/'
1219$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1220
1221sub thawer_merge {
1222 my ($self, $merge) = @_;
1223
1224 # we have to keep some variables in memory intact
1225 local $self->{path};
1226 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229
1230 $self->SUPER::thawer_merge ($merge);
1231}
1232
1233sub normalise {
1234 my ($path, $base) = @_;
1235
1236 $path = "$path"; # make sure its a string
1237
1238 $path =~ s/\.map$//;
1239
1240 # map plan:
1241 #
1242 # /! non-realised random map exit (special hack!)
1243 # {... are special paths that are not being touched
1244 # ?xxx/... are special absolute paths
1245 # ?random/... random maps
1246 # /... normal maps
1247 # ~user/... per-player map of a specific user
1248
1249 $path =~ s/$PATH_SEP/\//go;
1250
1251 # treat it as relative path if it starts with
1252 # something that looks reasonable
1253 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1254 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1255
1256 $base =~ s{[^/]+/?$}{};
1257 $path = "$base/$path";
1258 }
1259
1260 for ($path) {
1261 redo if s{//}{/};
1262 redo if s{/\.?/}{/};
1263 redo if s{/[^/]+/\.\./}{/};
1264 }
1265
1266 $path
1267}
1268
1269sub new_from_path {
1270 my (undef, $path, $base) = @_;
1271
1272 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1273
1274 $path = normalise $path, $base;
1275
1276 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1277 if ($path =~ $EXT_MAP{$pkg}[1]) {
1278 my $self = bless cf::map::new, $pkg;
1279 $self->{path} = $path; $self->path ($path);
1280 $self->init; # pass $1 etc.
1281 return $self;
1282 }
1283 }
1284
1285 Carp::carp "unable to resolve path '$path' (base '$base').";
1286 ()
1287}
1288
1289sub init {
1290 my ($self) = @_;
1291
1292 $self
1293}
1294
1295sub as_string {
1296 my ($self) = @_;
1297
1298 "$self->{path}"
1299}
1300
1301# the displayed name, this is a one way mapping
1302sub visible_name {
1303 &as_string
1304}
1305
1306# the original (read-only) location
1307sub load_path {
1308 my ($self) = @_;
1309
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1311}
1312
1313# the temporary/swap location
1314sub save_path {
1315 my ($self) = @_;
1316
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1319}
1320
1321# the unique path, undef == no special unique path
1322sub uniq_path {
1323 my ($self) = @_;
1324
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1327}
1200 1328
1201# and all this just because we cannot iterate over 1329# and all this just because we cannot iterate over
1202# all maps in C++... 1330# all maps in C++...
1203sub change_all_map_light { 1331sub change_all_map_light {
1205 1333
1206 $_->change_map_light ($change) 1334 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1335 for grep $_->outdoor, values %cf::MAP;
1208} 1336}
1209 1337
1338sub unlink_save {
1339 my ($self) = @_;
1340
1341 utf8::encode (my $save = $self->save_path);
1342 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1343 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1344}
1345
1210sub try_load_header($) { 1346sub load_header_from($) {
1211 my ($path) = @_; 1347 my ($self, $path) = @_;
1212 1348
1213 utf8::encode $path; 1349 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1350 #aio_open $path, O_RDONLY, 0
1351 # or return;
1352
1353 $self->_load_header ($path)
1215 or return; 1354 or return;
1216 1355
1217 my $map = cf::map::new 1356 $self->{load_path} = $path;
1357
1358 1
1359}
1360
1361sub load_header_orig {
1362 my ($self) = @_;
1363
1364 $self->load_header_from ($self->load_path)
1365}
1366
1367sub load_header_temp {
1368 my ($self) = @_;
1369
1370 $self->load_header_from ($self->save_path)
1371}
1372
1373sub prepare_temp {
1374 my ($self) = @_;
1375
1376 $self->last_access ((delete $self->{last_access})
1377 || $cf::RUNTIME); #d#
1378 # safety
1379 $self->{instantiate_time} = $cf::RUNTIME
1380 if $self->{instantiate_time} > $cf::RUNTIME;
1381}
1382
1383sub prepare_orig {
1384 my ($self) = @_;
1385
1386 $self->{load_original} = 1;
1387 $self->{instantiate_time} = $cf::RUNTIME;
1388 $self->last_access ($cf::RUNTIME);
1389 $self->instantiate;
1390}
1391
1392sub load_header {
1393 my ($self) = @_;
1394
1395 if ($self->load_header_temp) {
1396 $self->prepare_temp;
1397 } else {
1398 $self->load_header_orig
1218 or return; 1399 or return;
1400 $self->prepare_orig;
1401 }
1219 1402
1220 # for better error messages only, will be overwritten 1403 1
1221 $map->path ($path);
1222
1223 $map->load_header ($path)
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1404}
1230 1405
1231sub find; 1406sub find;
1232sub find { 1407sub find {
1233 my ($path, $origin) = @_; 1408 my ($path, $origin) = @_;
1234 1409
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1410 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1411
1240 cf::lock_wait "map_find:$key"; 1412 cf::lock_wait "map_find:$path";
1241 1413
1242 $cf::MAP{$key} || do { 1414 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1415 my $guard = cf::lock_acquire "map_find:$path";
1244 1416 my $map = new_from_path cf::map $path
1245 # do it the slow way
1246 my $map = try_load_header $path->save_path;
1247
1248 Coro::cede;
1249
1250 if ($map) {
1251 $map->last_access ((delete $map->{last_access})
1252 || $cf::RUNTIME); #d#
1253 # safety
1254 $map->{instantiate_time} = $cf::RUNTIME
1255 if $map->{instantiate_time} > $cf::RUNTIME;
1256 } else {
1257 if (my $rmp = $path->random_map_params) {
1258 $map = generate_random_map $key, $rmp;
1259 } else {
1260 $map = try_load_header $path->load_path;
1261 }
1262
1263 $map or return; 1417 or return;
1264 1418
1265 $map->{load_original} = 1;
1266 $map->{instantiate_time} = $cf::RUNTIME;
1267 $map->last_access ($cf::RUNTIME);
1268 $map->instantiate;
1269
1270 # per-player maps become, after loading, normal maps
1271 $map->per_player (0) if $path->{user_rel};
1272 }
1273
1274 $map->path ($key);
1275 $map->{path} = $path;
1276 $map->{last_save} = $cf::RUNTIME; 1419 $map->{last_save} = $cf::RUNTIME;
1277 1420
1278 Coro::cede; 1421 $map->load_header
1422 or return;
1279 1423
1280 if ($map->should_reset) { 1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1427 $map->reset;
1282 undef $guard; 1428 undef $guard;
1283 $map = find $path 1429 return find $path;
1284 or return;
1285 } 1430 }
1286 1431
1287 $cf::MAP{$key} = $map 1432 $cf::MAP{$path} = $map
1288 } 1433 }
1289} 1434}
1435
1436sub pre_load { }
1437sub post_load { }
1290 1438
1291sub load { 1439sub load {
1292 my ($self) = @_; 1440 my ($self) = @_;
1293 1441
1442 local $self->{deny_reset} = 1; # loading can take a long time
1443
1294 my $path = $self->{path}; 1444 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1445 my $guard = cf::lock_acquire "map_load:$path";
1296 1446
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1447 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1448
1299 $self->in_memory (cf::MAP_LOADING); 1449 $self->in_memory (cf::MAP_LOADING);
1300 1450
1301 $self->alloc; 1451 $self->alloc;
1452
1453 $self->pre_load;
1454
1302 $self->load_objects ($self->{load_path}, 1) 1455 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1456 or return;
1304 1457
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1459 if delete $self->{load_original};
1307 1460
1308 if (my $uniq = $path->uniq_path) { 1461 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1462 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1463 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1464 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1465 $self->_load_objects ($uniq, 0);
1313 } 1466 }
1314 } 1467 }
1315 1468
1316 Coro::cede; 1469 Coro::cede;
1317 1470
1318 # now do the right thing for maps 1471 # now do the right thing for maps
1319 $self->link_multipart_objects; 1472 $self->link_multipart_objects;
1320 1473
1321 if ($self->{path}->is_style_map) { 1474 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1475 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1476 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1477 $self->update_buttons;
1478 Coro::cede;
1328 $self->set_darkness_map; 1479 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1480 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1481 unless $self->difficulty;
1482 Coro::cede;
1331 $self->activate; 1483 $self->activate;
1332 } 1484 }
1333 1485
1334 Coro::cede; 1486 $self->post_load;
1335 1487
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489}
1490
1491sub customise_for {
1492 my ($self, $ob) = @_;
1493
1494 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player;
1496
1497 $self
1498}
1499
1500# find and load all maps in the 3x3 area around a map
1501sub load_diag {
1502 my ($map) = @_;
1503
1504 my @diag; # diagonal neighbours
1505
1506 for (0 .. 3) {
1507 my $neigh = $map->tile_path ($_)
1508 or next;
1509 $neigh = find $neigh, $map
1510 or next;
1511 $neigh->load;
1512
1513 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1515 }
1516
1517 for (@diag) {
1518 my $neigh = find @$_
1519 or next;
1520 $neigh->load;
1521 }
1337} 1522}
1338 1523
1339sub find_sync { 1524sub find_sync {
1340 my ($path, $origin) = @_; 1525 my ($path, $origin) = @_;
1341 1526
1342 cf::sync_job { cf::map::find $path, $origin } 1527 cf::sync_job { find $path, $origin }
1343} 1528}
1344 1529
1345sub do_load_sync { 1530sub do_load_sync {
1346 my ($map) = @_; 1531 my ($map) = @_;
1347 1532
1348 cf::sync_job { $map->load }; 1533 cf::sync_job { $map->load };
1349} 1534}
1350 1535
1536our %MAP_PREFETCH;
1537our $MAP_PREFETCHER = undef;
1538
1539sub find_async {
1540 my ($path, $origin) = @_;
1541
1542 $path = normalise $path, $origin && $origin->{path};
1543
1544 if (my $map = $cf::MAP{$path}) {
1545 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1546 }
1547
1548 undef $MAP_PREFETCH{$path};
1549 $MAP_PREFETCHER ||= cf::async {
1550 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) {
1552 my $map = find $path
1553 or next;
1554 $map->load;
1555
1556 delete $MAP_PREFETCH{$path};
1557 }
1558 }
1559 undef $MAP_PREFETCHER;
1560 };
1561 $MAP_PREFETCHER->prio (6);
1562
1563 ()
1564}
1565
1351sub save { 1566sub save {
1352 my ($self) = @_; 1567 my ($self) = @_;
1353 1568
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1569 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1570
1356 $self->{last_save} = $cf::RUNTIME; 1571 $self->{last_save} = $cf::RUNTIME;
1357 1572
1358 return unless $self->dirty; 1573 return unless $self->dirty;
1359 1574
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1575 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1576 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1577
1363 $self->{load_path} = $save; 1578 $self->{load_path} = $save;
1364 1579
1365 return if $self->{deny_save}; 1580 return if $self->{deny_save};
1366 1581
1369 cf::async { 1584 cf::async {
1370 $_->contr->save for $self->players; 1585 $_->contr->save for $self->players;
1371 }; 1586 };
1372 1587
1373 if ($uniq) { 1588 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1589 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1590 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1591 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1593 }
1379} 1594}
1380 1595
1381sub swap_out { 1596sub swap_out {
1382 my ($self) = @_; 1597 my ($self) = @_;
1396 1611
1397sub reset_at { 1612sub reset_at {
1398 my ($self) = @_; 1613 my ($self) = @_;
1399 1614
1400 # TODO: safety, remove and allow resettable per-player maps 1615 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1617 return 1e99 if $self->{deny_reset};
1403 1618
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1621
1411 my ($self) = @_; 1626 my ($self) = @_;
1412 1627
1413 $self->reset_at <= $cf::RUNTIME 1628 $self->reset_at <= $cf::RUNTIME
1414} 1629}
1415 1630
1416sub unlink_save {
1417 my ($self) = @_;
1418
1419 utf8::encode (my $save = $self->{path}->save_path);
1420 aioreq_pri 3; IO::AIO::aio_unlink $save;
1421 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422}
1423
1424sub rename {
1425 my ($self, $new_path) = @_;
1426
1427 $self->unlink_save;
1428
1429 delete $cf::MAP{$self->path};
1430 $self->{path} = new cf::path $new_path;
1431 $self->path ($self->{path}->as_string);
1432 $cf::MAP{$self->path} = $self;
1433
1434 $self->save;
1435}
1436
1437sub reset { 1631sub reset {
1438 my ($self) = @_; 1632 my ($self) = @_;
1439 1633
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1634 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1635
1442 return if $self->players; 1636 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1637 return if $self->isa ("ext::map_per_player");#d#
1444 1638
1445 warn "resetting map ", $self->path;#d# 1639 warn "resetting map ", $self->path;#d#
1446 1640
1641 $self->in_memory (cf::MAP_SWAPPED);
1642
1643 # need to save uniques path
1644 unless ($self->{deny_save}) {
1645 my $uniq = $self->uniq_path; utf8::encode $uniq;
1646
1647 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1648 if $uniq;
1649 }
1650
1447 delete $cf::MAP{$self->path}; 1651 delete $cf::MAP{$self->path};
1652
1653 $self->clear;
1448 1654
1449 $_->clear_links_to ($self) for values %cf::MAP; 1655 $_->clear_links_to ($self) for values %cf::MAP;
1450 1656
1451 $self->unlink_save; 1657 $self->unlink_save;
1452 $self->destroy; 1658 $self->destroy;
1455my $nuke_counter = "aaaa"; 1661my $nuke_counter = "aaaa";
1456 1662
1457sub nuke { 1663sub nuke {
1458 my ($self) = @_; 1664 my ($self) = @_;
1459 1665
1666 delete $cf::MAP{$self->path};
1667
1668 $self->unlink_save;
1669
1670 bless $self, "cf::map";
1671 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1672 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1673 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1674 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675
1676 $cf::MAP{$self->path} = $self;
1677
1463 $self->reset; # polite request, might not happen 1678 $self->reset; # polite request, might not happen
1464} 1679}
1465 1680
1466sub customise_for { 1681=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1682
1469 if ($map->per_player) { 1683Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1684instantiated unique items. May block.
1471 }
1472 1685
1473 $map 1686=cut
1474}
1475 1687
1476sub emergency_save { 1688sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1690 or return;
1478 1691
1479 warn "enter emergency perl save\n"; 1692 my @paths;
1480 1693
1481 cf::sync_job { 1694 for (@$files) {
1482 warn "begin emergency player save\n"; 1695 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1696 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1697 next unless /^$PATH_SEP/o;
1485 1698
1486 warn "begin emergency map save\n"; 1699 push @paths, cf::map::normalise $_;
1487 $_->save for values %cf::MAP;
1488 warn "end emergency map save\n";
1489 }; 1700 }
1490 1701
1491 warn "leave emergency perl save\n"; 1702 \@paths
1492} 1703}
1493 1704
1494package cf; 1705package cf;
1495 1706
1496=back 1707=back
1497 1708
1709=head3 cf::object
1710
1711=cut
1712
1713package cf::object;
1714
1715=over 4
1716
1717=item $ob->inv_recursive
1718
1719Returns the inventory of the object _and_ their inventories, recursively.
1720
1721=cut
1722
1723sub inv_recursive_;
1724sub inv_recursive_ {
1725 map { $_, inv_recursive_ $_->inv } @_
1726}
1727
1728sub inv_recursive {
1729 inv_recursive_ inv $_[0]
1730}
1731
1732package cf;
1733
1734=back
1498 1735
1499=head3 cf::object::player 1736=head3 cf::object::player
1500 1737
1501=over 4 1738=over 4
1502 1739
1542 1779
1543=item $player_object->enter_link 1780=item $player_object->enter_link
1544 1781
1545Freezes the player and moves him/her to a special map (C<{link}>). 1782Freezes the player and moves him/her to a special map (C<{link}>).
1546 1783
1547The player should be reaosnably safe there for short amounts of time. You 1784The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1785I<MUST> call C<leave_link> as soon as possible, though.
1549 1786
1787Will never block.
1788
1550=item $player_object->leave_link ($map, $x, $y) 1789=item $player_object->leave_link ($map, $x, $y)
1551 1790
1552Moves the player out of the specila link map onto the given map. If the 1791Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1792map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1793to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1794fails, to the emergency map position.
1556 1795
1557Might block. 1796Might block.
1558 1797
1559=cut 1798=cut
1799
1800sub link_map {
1801 unless ($LINK_MAP) {
1802 $LINK_MAP = cf::map::find "{link}"
1803 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1804 $LINK_MAP->load;
1805 }
1806
1807 $LINK_MAP
1808}
1560 1809
1561sub cf::object::player::enter_link { 1810sub cf::object::player::enter_link {
1562 my ($self) = @_; 1811 my ($self) = @_;
1563 1812
1564 $self->deactivate_recursive; 1813 $self->deactivate_recursive;
1565 1814
1566 return if $self->map == $LINK_MAP; 1815 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1816
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1818 if $self->map;
1570 1819
1571 $self->enter_map ($LINK_MAP, 20, 20); 1820 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1572} 1821}
1573 1822
1574sub cf::object::player::leave_link { 1823sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1824 my ($self, $map, $x, $y) = @_;
1576 1825
1594 # use -1 or undef as default coordinates, not 0, 0 1843 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1844 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1845 if $x <=0 && $y <= 0;
1597 1846
1598 $map->load; 1847 $map->load;
1848 $map->load_diag;
1599 1849
1600 return unless $self->contr->active; 1850 return unless $self->contr->active;
1601 $self->activate_recursive; 1851 $self->activate_recursive;
1852
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602 $self->enter_map ($map, $x, $y); 1854 $self->enter_map ($map, $x, $y);
1603} 1855}
1604 1856
1605cf::player->attach ( 1857cf::player->attach (
1606 on_logout => sub { 1858 on_logout => sub {
1619 # try to abort aborted map switching on player login :) 1871 # try to abort aborted map switching on player login :)
1620 # should happen only on crashes 1872 # should happen only on crashes
1621 if ($pl->ob->{_link_pos}) { 1873 if ($pl->ob->{_link_pos}) {
1622 $pl->ob->enter_link; 1874 $pl->ob->enter_link;
1623 (async { 1875 (async {
1624 # we need this sleep as the login has a concurrent enter_exit running
1625 # and this sleep increases chances of the player not ending up in scorn
1626 $pl->ob->reply (undef, 1876 $pl->ob->reply (undef,
1627 "There was an internal problem at your last logout, " 1877 "There was an internal problem at your last logout, "
1628 . "the server will try to bring you to your intended destination in a second.", 1878 . "the server will try to bring you to your intended destination in a second.",
1629 cf::NDI_RED); 1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1630 Coro::Timer::sleep 1; 1882 Coro::Timer::sleep 1;
1631 $pl->ob->leave_link; 1883 $pl->ob->leave_link;
1632 })->prio (2); 1884 })->prio (2);
1633 } 1885 }
1634 }, 1886 },
1642 my ($self, $path, $x, $y) = @_; 1894 my ($self, $path, $x, $y) = @_;
1643 1895
1644 $self->enter_link; 1896 $self->enter_link;
1645 1897
1646 (async { 1898 (async {
1647 $path = new cf::path $path; 1899 my $map = eval {
1648
1649 my $map = cf::map::find $path->as_string; 1900 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1901 $map = $map->customise_for ($self) if $map;
1651 1902 $map
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1903 } or
1653# if $map;
1654
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1905
1657 $self->leave_link ($map, $x, $y); 1906 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1907 })->prio (1);
1659} 1908}
1660 1909
1664 1913
1665sub parse_random_map_params { 1914sub parse_random_map_params {
1666 my ($spec) = @_; 1915 my ($spec) = @_;
1667 1916
1668 my $rmp = { # defaults 1917 my $rmp = { # defaults
1669 xsize => 10, 1918 xsize => (cf::rndm 15, 40),
1670 ysize => 10, 1919 ysize => (cf::rndm 15, 40),
1920 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1921 #layout => string,
1671 }; 1922 };
1672 1923
1673 for (split /\n/, $spec) { 1924 for (split /\n/, $spec) {
1674 my ($k, $v) = split /\s+/, $_, 2; 1925 my ($k, $v) = split /\s+/, $_, 2;
1675 1926
1679 $rmp 1930 $rmp
1680} 1931}
1681 1932
1682sub prepare_random_map { 1933sub prepare_random_map {
1683 my ($exit) = @_; 1934 my ($exit) = @_;
1935
1936 my $guard = cf::lock_acquire "exit_prepare:$exit";
1684 1937
1685 # all this does is basically replace the /! path by 1938 # all this does is basically replace the /! path by
1686 # a new random map path (?random/...) with a seed 1939 # a new random map path (?random/...) with a seed
1687 # that depends on the exit object 1940 # that depends on the exit object
1688 1941
1689 my $rmp = parse_random_map_params $exit->msg; 1942 my $rmp = parse_random_map_params $exit->msg;
1690 1943
1691 if ($exit->map) { 1944 if ($exit->map) {
1692 $rmp->{region} = $exit->map->region_name; 1945 $rmp->{region} = $exit->region->name;
1693 $rmp->{origin_map} = $exit->map->path; 1946 $rmp->{origin_map} = $exit->map->path;
1694 $rmp->{origin_x} = $exit->x; 1947 $rmp->{origin_x} = $exit->x;
1695 $rmp->{origin_y} = $exit->y; 1948 $rmp->{origin_y} = $exit->y;
1696 } 1949 }
1697 1950
1698 $rmp->{random_seed} ||= $exit->random_seed; 1951 $rmp->{random_seed} ||= $exit->random_seed;
1699 1952
1700 my $data = cf::to_json $rmp; 1953 my $data = cf::to_json $rmp;
1701 my $md5 = Digest::MD5::md5_hex $data; 1954 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702 1956
1703 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704 aio_write $fh, 0, (length $data), $data, 0; 1958 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh;
1960 aio_rename "$meta~", $meta;
1705 1961
1706 $exit->slaying ("?random/$md5"); 1962 $exit->slaying ("?random/$md5");
1707 $exit->msg (undef); 1963 $exit->msg (undef);
1708 } 1964 }
1709} 1965}
1710 1966
1711sub cf::object::player::enter_exit { 1967sub cf::object::player::enter_exit {
1712 my ($self, $exit) = @_; 1968 my ($self, $exit) = @_;
1713 1969
1714 return unless $self->type == cf::PLAYER; 1970 return unless $self->type == cf::PLAYER;
1971
1972 if ($exit->slaying eq "/!") {
1973 #TODO: this should de-fi-ni-te-ly not be a sync-job
1974 cf::sync_job { prepare_random_map $exit };
1975 }
1976
1977 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp;
1715 1980
1716 $self->enter_link; 1981 $self->enter_link;
1717 1982
1718 (async { 1983 (async {
1719 $self->deactivate_recursive; # just to be sure 1984 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1985 unless (eval {
1721 prepare_random_map $exit 1986 $self->goto ($slaying, $hp, $sp);
1722 if $exit->slaying eq "/!";
1723
1724 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726 1987
1727 1; 1988 1;
1728 }) { 1989 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1990 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1991 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1992 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 1993 cf::NDI_UNIQUE | cf::NDI_RED);
1733 1994
1734 warn "ERROR in enter_exit: $@"; 1995 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 1996 $self->leave_link;
1736 } 1997 }
1750 2011
1751sub cf::client::send_drawinfo { 2012sub cf::client::send_drawinfo {
1752 my ($self, $text, $flags) = @_; 2013 my ($self, $text, $flags) = @_;
1753 2014
1754 utf8::encode $text; 2015 utf8::encode $text;
1755 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2016 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756} 2017}
1757 2018
1758 2019
1759=item $success = $client->query ($flags, "text", \&cb) 2020=item $success = $client->query ($flags, "text", \&cb)
1760 2021
1791 # get handled first 2052 # get handled first
1792 my $queue = delete $ns->{query_queue} 2053 my $queue = delete $ns->{query_queue}
1793 or return; # be conservative, not sure how that can happen, but we saw a crash here 2054 or return; # be conservative, not sure how that can happen, but we saw a crash here
1794 2055
1795 (shift @$queue)->[1]->($msg); 2056 (shift @$queue)->[1]->($msg);
2057 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796 2058
1797 push @{ $ns->{query_queue} }, @$queue; 2059 push @{ $ns->{query_queue} }, @$queue;
1798 2060
1799 if (@{ $ns->{query_queue} } == @$queue) { 2061 if (@{ $ns->{query_queue} } == @$queue) {
1800 if (@$queue) { 2062 if (@$queue) {
1858 2120
1859# here we export the classes and methods available to script code 2121# here we export the classes and methods available to script code
1860 2122
1861=pod 2123=pod
1862 2124
1863The following fucntions and emthods are available within a safe environment: 2125The following functions and methods are available within a safe environment:
1864 2126
1865 cf::object contr pay_amount pay_player map 2127 cf::object contr pay_amount pay_player map
1866 cf::object::player player 2128 cf::object::player player
1867 cf::player peaceful 2129 cf::player peaceful
1868 cf::map trigger 2130 cf::map trigger
1961The parameter C<$family> should best start with the name of the extension 2223The parameter C<$family> should best start with the name of the extension
1962using it, it should be unique. 2224using it, it should be unique.
1963 2225
1964=over 4 2226=over 4
1965 2227
1966=item $hashref = cf::db_get $family
1967
1968Return a hashref for use by the extension C<$family>, which can be
1969modified. After modifications, you have to call C<cf::db_dirty> or
1970C<cf::db_sync>.
1971
1972=item $value = cf::db_get $family => $key 2228=item $value = cf::db_get $family => $key
1973 2229
1974Returns a single value from the database 2230Returns a single value from the database.
1975
1976=item cf::db_put $family => $hashref
1977
1978Stores the given family hashref into the database. Updates are delayed, if
1979you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980 2231
1981=item cf::db_put $family => $key => $value 2232=item cf::db_put $family => $key => $value
1982 2233
1983Stores the given C<$value> in the family hash. Updates are delayed, if you 2234Stores the given C<$value> in the family.
1984want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986=item cf::db_dirty
1987
1988Marks the database as dirty, to be updated at a later time.
1989
1990=item cf::db_sync
1991
1992Immediately write the database to disk I<if it is dirty>.
1993 2235
1994=cut 2236=cut
1995 2237
1996our $DB; 2238our $DB;
1997 2239
1998{ 2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
1999 my $path = cf::localdir . "/database.pst"; 2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2000 2259
2001 sub db_load() { 2260 cf::db_put (board => data => $pst->{board});
2002 $DB = stat $path ? Storable::retrieve $path : { }; 2261 cf::db_put (guildrules => data => $pst->{guildrules});
2003 } 2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2004 2264
2005 my $pid; 2265 unlink $path;
2006
2007 sub db_save() {
2008 waitpid $pid, 0 if $pid;
2009 if (0 == ($pid = fork)) {
2010 $DB->{_meta}{version} = 1;
2011 Storable::nstore $DB, "$path~";
2012 rename "$path~", $path;
2013 cf::_exit 0 if defined $pid;
2014 } 2266 };
2015 } 2267 }
2016
2017 my $dirty;
2018
2019 sub db_sync() {
2020 db_save if $dirty;
2021 undef $dirty;
2022 }
2023
2024 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025 db_sync;
2026 }); 2268 }
2269}
2027 2270
2028 sub db_dirty() {
2029 $dirty = 1;
2030 $idle->start;
2031 }
2032
2033 sub db_get($;$) { 2271sub db_get($$) {
2034 @_ >= 2 2272 my $key = "$_[0]/$_[1]";
2035 ? $DB->{$_[0]}{$_[1]}
2036 : ($DB->{$_[0]} ||= { })
2037 }
2038 2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2039 sub db_put($$;$) { 2282sub db_put($$$) {
2040 if (@_ >= 3) { 2283 BDB::dbreq_pri 4;
2041 $DB->{$_[0]}{$_[1]} = $_[2]; 2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions
2289
2290sub load_facedata {
2291 my $path = sprintf "%s/facedata", cf::datadir;
2292
2293 warn "loading facedata from $path\n";
2294
2295 my $faces;
2296 0 < aio_load $path, $faces
2297 or die "$path: $!";
2298
2299 Coro::cede;
2300 $faces = Storable::thaw $faces;
2301 Coro::cede;
2302
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1
2305 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306
2307 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2312 Coro::cede;
2313 }
2314
2315 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth};
2317 my $idx = cf::face::find $face
2318 or next;
2319 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth;
2042 } else { 2321 } else {
2043 $DB->{$_[0]} = $_[1]; 2322 warn "smooth face '$info->{smooth}' not found for face '$face'";
2044 }
2045 db_dirty;
2046 }
2047
2048 cf::global->attach (
2049 prio => 10000,
2050 on_cleanup => sub {
2051 db_sync;
2052 }, 2323 }
2053 ); 2324 Coro::cede;
2054} 2325 }
2055 2326
2056############################################################################# 2327 1
2057# the server's main() 2328}
2329
2330sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2332 or die "unable to load regions file\n";#d#
2333 load_facedata
2334 or die "unable to load facedata\n";#d#
2335}
2336
2337sub init {
2338 reload_resources;
2339}
2058 2340
2059sub cfg_load { 2341sub cfg_load {
2060 open my $fh, "<:utf8", cf::confdir . "/config" 2342 open my $fh, "<:utf8", cf::confdir . "/config"
2061 or return; 2343 or return;
2062 2344
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2350 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2351 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2352
2071 if (exists $CFG{mlockall}) { 2353 if (exists $CFG{mlockall}) {
2072 eval { 2354 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2355 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2356 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2357 };
2076 warn $@ if $@; 2358 warn $@ if $@;
2077 } 2359 }
2078} 2360}
2079 2361
2080sub main { 2362sub main {
2081 # we must not ever block the main coroutine 2363 # we must not ever block the main coroutine
2082 local $Coro::idle = sub { 2364 local $Coro::idle = sub {
2083 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2365 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366 (async {
2084 async { Event::one_event }; 2367 Event::one_event;
2368 })->prio (Coro::PRIO_MAX);
2085 }; 2369 };
2086 2370
2087 cfg_load; 2371 cfg_load;
2088 db_load; 2372 db_init;
2089 load_extensions; 2373 load_extensions;
2374
2375 $TICK_WATCHER->start;
2090 Event::loop; 2376 Event::loop;
2091} 2377}
2092 2378
2093############################################################################# 2379#############################################################################
2094# initialisation 2380# initialisation and cleanup
2381
2382# install some emergency cleanup handlers
2383BEGIN {
2384 for my $signal (qw(INT HUP TERM)) {
2385 Event->signal (
2386 reentrant => 0,
2387 data => WF_AUTOCANCEL,
2388 signal => $signal,
2389 prio => 0,
2390 cb => sub {
2391 cf::cleanup "SIG$signal";
2392 },
2393 );
2394 }
2395}
2396
2397sub emergency_save() {
2398 my $freeze_guard = cf::freeze_mainloop;
2399
2400 warn "enter emergency perl save\n";
2401
2402 cf::sync_job {
2403 # use a peculiar iteration method to avoid tripping on perl
2404 # refcount bugs in for. also avoids problems with players
2405 # and maps saved/destroyed asynchronously.
2406 warn "begin emergency player save\n";
2407 for my $login (keys %cf::PLAYER) {
2408 my $pl = $cf::PLAYER{$login} or next;
2409 $pl->valid or next;
2410 $pl->save;
2411 }
2412 warn "end emergency player save\n";
2413
2414 warn "begin emergency map save\n";
2415 for my $path (keys %cf::MAP) {
2416 my $map = $cf::MAP{$path} or next;
2417 $map->valid or next;
2418 $map->save;
2419 }
2420 warn "end emergency map save\n";
2421
2422 warn "begin emergency database checkpoint\n";
2423 BDB::db_env_txn_checkpoint $DB_ENV;
2424 warn "end emergency database checkpoint\n";
2425 };
2426
2427 warn "leave emergency perl save\n";
2428}
2429
2430sub post_cleanup {
2431 my ($make_core) = @_;
2432
2433 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core;
2435}
2095 2436
2096sub reload() { 2437sub reload() {
2097 # can/must only be called in main 2438 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2439 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2440 warn "can only reload from main coroutine";
2100 return; 2441 return;
2101 } 2442 }
2102 2443
2103 warn "reloading..."; 2444 warn "reloading...";
2104 2445
2105 my $guard = freeze_mainloop; 2446 warn "entering sync_job";
2447
2448 cf::sync_job {
2449 cf::write_runtime; # external watchdog should not bark
2106 cf::emergency_save; 2450 cf::emergency_save;
2451 cf::write_runtime; # external watchdog should not bark
2107 2452
2108 eval { 2453 warn "syncing database to disk";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455
2109 # if anything goes wrong in here, we should simply crash as we already saved 2456 # if anything goes wrong in here, we should simply crash as we already saved
2110 2457
2111 # cancel all watchers 2458 warn "cancelling all WF_AUTOCANCEL watchers";
2112 for (Event::all_watchers) { 2459 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2460 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2461 }
2115 2462
2463 warn "flushing outstanding aio requests";
2464 for (;;) {
2465 BDB::flush;
2466 IO::AIO::flush;
2467 Coro::cede;
2468 last unless IO::AIO::nreqs || BDB::nreqs;
2469 warn "iterate...";
2470 }
2471
2472 ++$RELOAD;
2473
2116 # cancel all extension coros 2474 warn "cancelling all extension coros";
2117 $_->cancel for values %EXT_CORO; 2475 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2476 %EXT_CORO = ();
2119 2477
2120 # unload all extensions 2478 warn "removing commands";
2121 for (@exts) { 2479 %COMMAND = ();
2480
2481 warn "removing ext commands";
2482 %EXTCMD = ();
2483
2484 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2486 warn "... unloading $pkg";
2123 unload_extension $_; 2487
2488 if (my $cb = $pkg->can ("unload")) {
2489 eval {
2490 $cb->($pkg);
2491 1
2492 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2493 }
2125 2494
2495 warn "... nuking $pkg";
2496 Symbol::delete_package $pkg;
2497 }
2498
2126 # unload all modules loaded from $LIBDIR 2499 warn "unloading all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2500 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2501 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2502
2130 warn "removing <$k>"; 2503 warn "... unloading $k";
2131 delete $INC{$k}; 2504 delete $INC{$k};
2132 2505
2133 $k =~ s/\.pm$//; 2506 $k =~ s/\.pm$//;
2134 $k =~ s/\//::/g; 2507 $k =~ s/\//::/g;
2135 2508
2138 } 2511 }
2139 2512
2140 Symbol::delete_package $k; 2513 Symbol::delete_package $k;
2141 } 2514 }
2142 2515
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2516 warn "getting rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2517 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2518 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2519
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2520 warn "unloading cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2521 delete $INC{"cf.pm"};
2156 2522
2157 # don't, removes xs symbols, too, 2523 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2524 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2525 #Symbol::delete_package __PACKAGE__;
2160 2526
2161 # reload cf.pm 2527 warn "unload completed, starting to reload now";
2528
2162 warn "reloading cf.pm"; 2529 warn "reloading cf.pm";
2163 require cf; 2530 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2532
2166 # load config and database again 2533 warn "loading config and database again";
2167 cf::cfg_load; 2534 cf::cfg_load;
2168 cf::db_load;
2169 2535
2170 # load extensions
2171 warn "load extensions"; 2536 warn "loading extensions";
2172 cf::load_extensions; 2537 cf::load_extensions;
2173 2538
2174 # reattach attachments to objects 2539 warn "reattaching attachments to objects/players";
2175 warn "reattach"; 2540 _global_reattach; # objects, sockets
2176 _global_reattach; 2541 warn "reattaching attachments to maps";
2177 reattach $_ for values %MAP; 2542 reattach $_ for values %MAP;
2178 }; 2543 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER;
2179 2545
2180 if ($@) { 2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job";
2550
2551 1
2552 } or do {
2181 warn $@; 2553 warn $@;
2182 warn "error while reloading, exiting."; 2554 warn "error while reloading, exiting.";
2183 exit 1; 2555 exit 1;
2184 } 2556 };
2185 2557
2186 warn "reloaded successfully"; 2558 warn "reloaded";
2187}; 2559};
2188 2560
2189############################################################################# 2561our $RELOAD_WATCHER; # used only during reload
2190
2191unless ($LINK_MAP) {
2192 $LINK_MAP = cf::map::new;
2193
2194 $LINK_MAP->width (41);
2195 $LINK_MAP->height (41);
2196 $LINK_MAP->alloc;
2197 $LINK_MAP->path ("{link}");
2198 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201 # dirty hack because... archetypes are not yet loaded
2202 Event->timer (
2203 after => 10,
2204 cb => sub {
2205 $_[0]->w->cancel;
2206
2207 # provide some exits "home"
2208 my $exit = cf::object::new "exit";
2209
2210 $exit->slaying ($EMERGENCY_POSITION->[0]);
2211 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214 $LINK_MAP->insert ($exit->clone, 19, 19);
2215 $LINK_MAP->insert ($exit->clone, 19, 20);
2216 $LINK_MAP->insert ($exit->clone, 19, 21);
2217 $LINK_MAP->insert ($exit->clone, 20, 19);
2218 $LINK_MAP->insert ($exit->clone, 20, 21);
2219 $LINK_MAP->insert ($exit->clone, 21, 19);
2220 $LINK_MAP->insert ($exit->clone, 21, 20);
2221 $LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223 $exit->destroy;
2224 });
2225
2226 $LINK_MAP->{deny_save} = 1;
2227 $LINK_MAP->{deny_reset} = 1;
2228
2229 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2562
2234register_command "reload" => sub { 2563register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2564 my ($who, $arg) = @_;
2236 2565
2237 if ($who->flag (FLAG_WIZ)) { 2566 if ($who->flag (FLAG_WIZ)) {
2238 $who->message ("start of reload."); 2567 $who->message ("reloading server.");
2568
2569 # doing reload synchronously and two reloads happen back-to-back,
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2239 reload; 2577 reload;
2240 $who->message ("end of reload."); 2578 undef $RELOAD_WATCHER;
2579 },
2580 );
2241 } 2581 }
2242}; 2582};
2243 2583
2244unshift @INC, $LIBDIR; 2584unshift @INC, $LIBDIR;
2585
2586my $bug_warning = 0;
2245 2587
2246$TICK_WATCHER = Event->timer ( 2588$TICK_WATCHER = Event->timer (
2247 reentrant => 0, 2589 reentrant => 0,
2590 parked => 1,
2248 prio => 0, 2591 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2592 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2593 data => WF_AUTOCANCEL,
2251 cb => sub { 2594 cb => sub {
2595 if ($Coro::current != $Coro::main) {
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10;
2598 return;
2599 }
2600
2601 $NOW = Event::time;
2602
2252 cf::server_tick; # one server iteration 2603 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2604 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2605 $NEXT_TICK += $TICK;
2606
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10;
2609 Coro::async_pool {
2610 write_runtime
2611 or warn "ERROR: unable to write runtime file: $!";
2612 };
2613 }
2614
2615 $WAIT_FOR_TICK->broadcast;
2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d#
2255 2620
2256 # if we are delayed by four ticks or more, skip them all 2621 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2623
2259 $TICK_WATCHER->at ($NEXT_TICK); 2624 $TICK_WATCHER->at ($NEXT_TICK);
2260 $TICK_WATCHER->start; 2625 $TICK_WATCHER->start;
2261 }, 2626 },
2262); 2627);
2263 2628
2629{
2264IO::AIO::max_poll_time $TICK * 0.2; 2630 BDB::max_poll_time $TICK * 0.1;
2265 2631 $BDB_POLL_WATCHER = Event->io (
2266Event->io ( 2632 reentrant => 0,
2267 fd => IO::AIO::poll_fileno, 2633 fd => BDB::poll_fileno,
2268 poll => 'r', 2634 poll => 'r',
2269 prio => 5, 2635 prio => 0,
2270 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb,
2272);
2273
2274Event->timer (
2275 data => WF_AUTOCANCEL, 2636 data => WF_AUTOCANCEL,
2276 after => 0, 2637 cb => \&BDB::poll_cb,
2277 interval => 10, 2638 );
2278 cb => sub { 2639 BDB::min_parallel 8;
2279 (Coro::unblock_sub { 2640
2280 write_runtime 2641 BDB::set_sync_prepare {
2281 or warn "ERROR: unable to write runtime file: $!"; 2642 my $status;
2643 my $current = $Coro::current;
2644 (
2645 sub {
2646 $status = $!;
2647 $current->ready; undef $current;
2648 },
2649 sub {
2650 Coro::schedule while defined $current;
2651 $! = $status;
2652 },
2653 )
2654 };
2655
2656 unless ($DB_ENV) {
2657 $DB_ENV = BDB::db_env_create;
2658
2659 cf::sync_job {
2660 eval {
2661 BDB::db_env_open
2662 $DB_ENV,
2663 $BDB_ENV_DIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666;
2667
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2669
2670 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671 $DB_ENV->set_lk_detect;
2672 };
2673
2674 cf::cleanup "db_env_open(db): $@" if $@;
2282 })->(); 2675 };
2283 }, 2676 }
2284); 2677}
2678
2679{
2680 IO::AIO::min_parallel 8;
2681
2682 undef $Coro::AIO::WATCHER;
2683 IO::AIO::max_poll_time $TICK * 0.1;
2684 $AIO_POLL_WATCHER = Event->io (
2685 reentrant => 0,
2686 data => WF_AUTOCANCEL,
2687 fd => IO::AIO::poll_fileno,
2688 poll => 'r',
2689 prio => 6,
2690 cb => \&IO::AIO::poll_cb,
2691 );
2692}
2285 2693
2286END { cf::emergency_save } 2694END { cf::emergency_save }
2287 2695
22881 26961
2289 2697

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