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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 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
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($$%) {
1156 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1157 1137
1158 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1159 1139
1160 $self->send ("ext " . cf::to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 $self->ns->ext_event ($type, %msg);
1161} 1153}
1162 1154
1163package cf; 1155package cf;
1164 1156
1165=back 1157=back
1174package cf::map; 1166package cf::map;
1175 1167
1176use Fcntl; 1168use Fcntl;
1177use Coro::AIO; 1169use Coro::AIO;
1178 1170
1171use overload
1172 '""' => \&as_string,
1173 fallback => 1;
1174
1179our $MAX_RESET = 3600; 1175our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1176our $DEFAULT_RESET = 3000;
1181 1177
1182sub generate_random_map { 1178sub generate_random_map {
1183 my ($path, $rmp) = @_; 1179 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1180 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1181 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1185 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1186 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1187 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1188 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1189 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1190 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1191 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1192 (cf::region::find $rmp->{region}), $rmp->{custom}
1193 )
1194}
1195
1196=item cf::map->register ($regex, $prio)
1197
1198Register a handler for the map path matching the given regex at the
1199givne priority (higher is better, built-in handlers have priority 0, the
1200default).
1201
1202=cut
1203
1204sub register {
1205 my (undef, $regex, $prio) = @_;
1206 my $pkg = caller;
1207
1208 no strict;
1209 push @{"$pkg\::ISA"}, __PACKAGE__;
1210
1211 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212}
1213
1214# also paths starting with '/'
1215$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1216
1217sub thawer_merge {
1218 my ($self, $merge) = @_;
1219
1220 # we have to keep some variables in memory intact
1221 local $self->{path};
1222 local $self->{load_path};
1223 local $self->{deny_save};
1224 local $self->{deny_reset};
1225
1226 $self->SUPER::thawer_merge ($merge);
1227}
1228
1229sub normalise {
1230 my ($path, $base) = @_;
1231
1232 $path = "$path"; # make sure its a string
1233
1234 $path =~ s/\.map$//;
1235
1236 # map plan:
1237 #
1238 # /! non-realised random map exit (special hack!)
1239 # {... are special paths that are not being touched
1240 # ?xxx/... are special absolute paths
1241 # ?random/... random maps
1242 # /... normal maps
1243 # ~user/... per-player map of a specific user
1244
1245 $path =~ s/$PATH_SEP/\//go;
1246
1247 # treat it as relative path if it starts with
1248 # something that looks reasonable
1249 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1250 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1251
1252 $base =~ s{[^/]+/?$}{};
1253 $path = "$base/$path";
1254 }
1255
1256 for ($path) {
1257 redo if s{//}{/};
1258 redo if s{/\.?/}{/};
1259 redo if s{/[^/]+/\.\./}{/};
1260 }
1261
1262 $path
1263}
1264
1265sub new_from_path {
1266 my (undef, $path, $base) = @_;
1267
1268 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1269
1270 $path = normalise $path, $base;
1271
1272 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1273 if ($path =~ $EXT_MAP{$pkg}[1]) {
1274 my $self = bless cf::map::new, $pkg;
1275 $self->{path} = $path; $self->path ($path);
1276 $self->init; # pass $1 etc.
1277 return $self;
1278 }
1279 }
1280
1281 Carp::carp "unable to resolve path '$path' (base '$base').";
1282 ()
1283}
1284
1285sub init {
1286 my ($self) = @_;
1287
1288 $self
1289}
1290
1291sub as_string {
1292 my ($self) = @_;
1293
1294 "$self->{path}"
1295}
1296
1297# the displayed name, this is a one way mapping
1298sub visible_name {
1299 &as_string
1300}
1301
1302# the original (read-only) location
1303sub load_path {
1304 my ($self) = @_;
1305
1306 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1307}
1308
1309# the temporary/swap location
1310sub save_path {
1311 my ($self) = @_;
1312
1313 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1315}
1316
1317# the unique path, undef == no special unique path
1318sub uniq_path {
1319 my ($self) = @_;
1320
1321 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1323}
1200 1324
1201# and all this just because we cannot iterate over 1325# and all this just because we cannot iterate over
1202# all maps in C++... 1326# all maps in C++...
1203sub change_all_map_light { 1327sub change_all_map_light {
1205 1329
1206 $_->change_map_light ($change) 1330 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1331 for grep $_->outdoor, values %cf::MAP;
1208} 1332}
1209 1333
1334sub unlink_save {
1335 my ($self) = @_;
1336
1337 utf8::encode (my $save = $self->save_path);
1338 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1339 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1340}
1341
1210sub try_load_header($) { 1342sub load_header_from($) {
1211 my ($path) = @_; 1343 my ($self, $path) = @_;
1212 1344
1213 utf8::encode $path; 1345 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1346 #aio_open $path, O_RDONLY, 0
1347 # or return;
1348
1349 $self->_load_header ($path)
1215 or return; 1350 or return;
1216 1351
1217 my $map = cf::map::new 1352 $self->{load_path} = $path;
1353
1354 1
1355}
1356
1357sub load_header_orig {
1358 my ($self) = @_;
1359
1360 $self->load_header_from ($self->load_path)
1361}
1362
1363sub load_header_temp {
1364 my ($self) = @_;
1365
1366 $self->load_header_from ($self->save_path)
1367}
1368
1369sub prepare_temp {
1370 my ($self) = @_;
1371
1372 $self->last_access ((delete $self->{last_access})
1373 || $cf::RUNTIME); #d#
1374 # safety
1375 $self->{instantiate_time} = $cf::RUNTIME
1376 if $self->{instantiate_time} > $cf::RUNTIME;
1377}
1378
1379sub prepare_orig {
1380 my ($self) = @_;
1381
1382 $self->{load_original} = 1;
1383 $self->{instantiate_time} = $cf::RUNTIME;
1384 $self->last_access ($cf::RUNTIME);
1385 $self->instantiate;
1386}
1387
1388sub load_header {
1389 my ($self) = @_;
1390
1391 if ($self->load_header_temp) {
1392 $self->prepare_temp;
1393 } else {
1394 $self->load_header_orig
1218 or return; 1395 or return;
1396 $self->prepare_orig;
1397 }
1219 1398
1220 # for better error messages only, will be overwritten 1399 1
1221 $map->path ($path);
1222
1223 $map->load_header ($path)
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1400}
1230 1401
1231sub find; 1402sub find;
1232sub find { 1403sub find {
1233 my ($path, $origin) = @_; 1404 my ($path, $origin) = @_;
1234 1405
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1406 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1407
1240 cf::lock_wait "map_find:$key"; 1408 cf::lock_wait "map_find:$path";
1241 1409
1242 $cf::MAP{$key} || do { 1410 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1411 my $guard = cf::lock_acquire "map_find:$path";
1244 1412 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; 1413 or return;
1264 1414
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; 1415 $map->{last_save} = $cf::RUNTIME;
1277 1416
1278 Coro::cede; 1417 $map->load_header
1418 or return;
1279 1419
1280 if ($map->should_reset) { 1420 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1421 # doing this can freeze the server in a sync job, obviously
1422 #$cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1423 $map->reset;
1282 undef $guard; 1424 undef $guard;
1283 $map = find $path 1425 return find $path;
1284 or return;
1285 } 1426 }
1286 1427
1287 $cf::MAP{$key} = $map 1428 $cf::MAP{$path} = $map
1288 } 1429 }
1289} 1430}
1431
1432sub pre_load { }
1433sub post_load { }
1290 1434
1291sub load { 1435sub load {
1292 my ($self) = @_; 1436 my ($self) = @_;
1293 1437
1438 local $self->{deny_reset} = 1; # loading can take a long time
1439
1294 my $path = $self->{path}; 1440 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1441 my $guard = cf::lock_acquire "map_load:$path";
1296 1442
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1443 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1444
1299 $self->in_memory (cf::MAP_LOADING); 1445 $self->in_memory (cf::MAP_LOADING);
1300 1446
1301 $self->alloc; 1447 $self->alloc;
1448
1449 $self->pre_load;
1450
1302 $self->load_objects ($self->{load_path}, 1) 1451 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1452 or return;
1304 1453
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1455 if delete $self->{load_original};
1307 1456
1308 if (my $uniq = $path->uniq_path) { 1457 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1458 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1459 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1460 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1461 $self->_load_objects ($uniq, 0);
1313 } 1462 }
1314 } 1463 }
1315 1464
1316 Coro::cede; 1465 Coro::cede;
1317 1466
1318 # now do the right thing for maps 1467 # now do the right thing for maps
1319 $self->link_multipart_objects; 1468 $self->link_multipart_objects;
1320 1469
1321 if ($self->{path}->is_style_map) { 1470 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1471 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1472 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1473 $self->update_buttons;
1474 Coro::cede;
1328 $self->set_darkness_map; 1475 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1476 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1477 unless $self->difficulty;
1478 Coro::cede;
1331 $self->activate; 1479 $self->activate;
1332 } 1480 }
1333 1481
1334 Coro::cede; 1482 $self->post_load;
1335 1483
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1484 $self->in_memory (cf::MAP_IN_MEMORY);
1485}
1486
1487sub customise_for {
1488 my ($self, $ob) = @_;
1489
1490 return find "~" . $ob->name . "/" . $self->{path}
1491 if $self->per_player;
1492
1493 $self
1494}
1495
1496# find and load all maps in the 3x3 area around a map
1497sub load_diag {
1498 my ($map) = @_;
1499
1500 my @diag; # diagonal neighbours
1501
1502 for (0 .. 3) {
1503 my $neigh = $map->tile_path ($_)
1504 or next;
1505 $neigh = find $neigh, $map
1506 or next;
1507 $neigh->load;
1508
1509 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1511 }
1512
1513 for (@diag) {
1514 my $neigh = find @$_
1515 or next;
1516 $neigh->load;
1517 }
1337} 1518}
1338 1519
1339sub find_sync { 1520sub find_sync {
1340 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1341 1522
1342 cf::sync_job { cf::map::find $path, $origin } 1523 cf::sync_job { find $path, $origin }
1343} 1524}
1344 1525
1345sub do_load_sync { 1526sub do_load_sync {
1346 my ($map) = @_; 1527 my ($map) = @_;
1347 1528
1348 cf::sync_job { $map->load }; 1529 cf::sync_job { $map->load };
1349} 1530}
1350 1531
1532our %MAP_PREFETCH;
1533our $MAP_PREFETCHER = undef;
1534
1535sub find_async {
1536 my ($path, $origin) = @_;
1537
1538 $path = normalise $path, $origin && $origin->{path};
1539
1540 if (my $map = $cf::MAP{$path}) {
1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1542 }
1543
1544 undef $MAP_PREFETCH{$path};
1545 $MAP_PREFETCHER ||= cf::async {
1546 while (%MAP_PREFETCH) {
1547 for my $path (keys %MAP_PREFETCH) {
1548 my $map = find $path
1549 or next;
1550 $map->load;
1551
1552 delete $MAP_PREFETCH{$path};
1553 }
1554 }
1555 undef $MAP_PREFETCHER;
1556 };
1557 $MAP_PREFETCHER->prio (6);
1558
1559 ()
1560}
1561
1351sub save { 1562sub save {
1352 my ($self) = @_; 1563 my ($self) = @_;
1353 1564
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1565 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1566
1356 $self->{last_save} = $cf::RUNTIME; 1567 $self->{last_save} = $cf::RUNTIME;
1357 1568
1358 return unless $self->dirty; 1569 return unless $self->dirty;
1359 1570
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1571 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1572 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1573
1363 $self->{load_path} = $save; 1574 $self->{load_path} = $save;
1364 1575
1365 return if $self->{deny_save}; 1576 return if $self->{deny_save};
1366 1577
1369 cf::async { 1580 cf::async {
1370 $_->contr->save for $self->players; 1581 $_->contr->save for $self->players;
1371 }; 1582 };
1372 1583
1373 if ($uniq) { 1584 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1586 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1587 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1588 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1589 }
1379} 1590}
1380 1591
1381sub swap_out { 1592sub swap_out {
1382 my ($self) = @_; 1593 my ($self) = @_;
1396 1607
1397sub reset_at { 1608sub reset_at {
1398 my ($self) = @_; 1609 my ($self) = @_;
1399 1610
1400 # TODO: safety, remove and allow resettable per-player maps 1611 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1613 return 1e99 if $self->{deny_reset};
1403 1614
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1617
1411 my ($self) = @_; 1622 my ($self) = @_;
1412 1623
1413 $self->reset_at <= $cf::RUNTIME 1624 $self->reset_at <= $cf::RUNTIME
1414} 1625}
1415 1626
1416sub unlink_save {
1417 my ($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 $self->save;
1435}
1436
1437sub reset { 1627sub reset {
1438 my ($self) = @_; 1628 my ($self) = @_;
1439 1629
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1630 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1631
1442 return if $self->players; 1632 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1633 return if $self->isa ("ext::map_per_player");#d#
1444 1634
1445 warn "resetting map ", $self->path;#d# 1635 warn "resetting map ", $self->path;#d#
1446 1636
1637 $self->in_memory (cf::MAP_SWAPPED);
1638
1639 # need to save uniques path
1640 unless ($self->{deny_save}) {
1641 my $uniq = $self->uniq_path; utf8::encode $uniq;
1642
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1644 if $uniq;
1645 }
1646
1447 delete $cf::MAP{$self->path}; 1647 delete $cf::MAP{$self->path};
1648
1649 $self->clear;
1448 1650
1449 $_->clear_links_to ($self) for values %cf::MAP; 1651 $_->clear_links_to ($self) for values %cf::MAP;
1450 1652
1451 $self->unlink_save; 1653 $self->unlink_save;
1452 $self->destroy; 1654 $self->destroy;
1455my $nuke_counter = "aaaa"; 1657my $nuke_counter = "aaaa";
1456 1658
1457sub nuke { 1659sub nuke {
1458 my ($self) = @_; 1660 my ($self) = @_;
1459 1661
1662 delete $cf::MAP{$self->path};
1663
1664 $self->unlink_save;
1665
1666 bless $self, "cf::map";
1667 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1668 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1669 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671
1672 $cf::MAP{$self->path} = $self;
1673
1463 $self->reset; # polite request, might not happen 1674 $self->reset; # polite request, might not happen
1464} 1675}
1465 1676
1466sub customise_for { 1677=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1678
1469 if ($map->per_player) { 1679Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1680instantiated unique items. May block.
1471 }
1472 1681
1473 $map 1682=cut
1474}
1475 1683
1476sub emergency_save { 1684sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1686 or return;
1478 1687
1479 warn "enter emergency perl save\n"; 1688 my @paths;
1480 1689
1481 cf::sync_job { 1690 for (@$files) {
1482 warn "begin emergency player save\n"; 1691 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1692 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1693 next unless /^$PATH_SEP/o;
1485 1694
1486 warn "begin emergency map save\n"; 1695 push @paths, cf::map::normalise $_;
1487 $_->save for values %cf::MAP;
1488 warn "end emergency map save\n";
1489 }; 1696 }
1490 1697
1491 warn "leave emergency perl save\n"; 1698 \@paths
1492} 1699}
1493 1700
1494package cf; 1701package cf;
1495 1702
1496=back 1703=back
1497 1704
1705=head3 cf::object
1706
1707=cut
1708
1709package cf::object;
1710
1711=over 4
1712
1713=item $ob->inv_recursive
1714
1715Returns the inventory of the object _and_ their inventories, recursively.
1716
1717=cut
1718
1719sub inv_recursive_;
1720sub inv_recursive_ {
1721 map { $_, inv_recursive_ $_->inv } @_
1722}
1723
1724sub inv_recursive {
1725 inv_recursive_ inv $_[0]
1726}
1727
1728package cf;
1729
1730=back
1498 1731
1499=head3 cf::object::player 1732=head3 cf::object::player
1500 1733
1501=over 4 1734=over 4
1502 1735
1542 1775
1543=item $player_object->enter_link 1776=item $player_object->enter_link
1544 1777
1545Freezes the player and moves him/her to a special map (C<{link}>). 1778Freezes the player and moves him/her to a special map (C<{link}>).
1546 1779
1547The player should be reaosnably safe there for short amounts of time. You 1780The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1781I<MUST> call C<leave_link> as soon as possible, though.
1549 1782
1783Will never block.
1784
1550=item $player_object->leave_link ($map, $x, $y) 1785=item $player_object->leave_link ($map, $x, $y)
1551 1786
1552Moves the player out of the specila link map onto the given map. If the 1787Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1788map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1789to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1790fails, to the emergency map position.
1556 1791
1557Might block. 1792Might block.
1558 1793
1559=cut 1794=cut
1795
1796sub link_map {
1797 unless ($LINK_MAP) {
1798 $LINK_MAP = cf::map::find "{link}"
1799 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1800 $LINK_MAP->load;
1801 }
1802
1803 $LINK_MAP
1804}
1560 1805
1561sub cf::object::player::enter_link { 1806sub cf::object::player::enter_link {
1562 my ($self) = @_; 1807 my ($self) = @_;
1563 1808
1564 $self->deactivate_recursive; 1809 $self->deactivate_recursive;
1565 1810
1566 return if $self->map == $LINK_MAP; 1811 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1812
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1814 if $self->map;
1570 1815
1571 $self->enter_map ($LINK_MAP, 20, 20); 1816 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1572} 1817}
1573 1818
1574sub cf::object::player::leave_link { 1819sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1820 my ($self, $map, $x, $y) = @_;
1576 1821
1594 # use -1 or undef as default coordinates, not 0, 0 1839 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1840 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1841 if $x <=0 && $y <= 0;
1597 1842
1598 $map->load; 1843 $map->load;
1844 $map->load_diag;
1599 1845
1600 return unless $self->contr->active; 1846 return unless $self->contr->active;
1601 $self->activate_recursive; 1847 $self->activate_recursive;
1848
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602 $self->enter_map ($map, $x, $y); 1850 $self->enter_map ($map, $x, $y);
1603} 1851}
1604 1852
1605cf::player->attach ( 1853cf::player->attach (
1606 on_logout => sub { 1854 on_logout => sub {
1619 # try to abort aborted map switching on player login :) 1867 # try to abort aborted map switching on player login :)
1620 # should happen only on crashes 1868 # should happen only on crashes
1621 if ($pl->ob->{_link_pos}) { 1869 if ($pl->ob->{_link_pos}) {
1622 $pl->ob->enter_link; 1870 $pl->ob->enter_link;
1623 (async { 1871 (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, 1872 $pl->ob->reply (undef,
1627 "There was an internal problem at your last logout, " 1873 "There was an internal problem at your last logout, "
1628 . "the server will try to bring you to your intended destination in a second.", 1874 . "the server will try to bring you to your intended destination in a second.",
1629 cf::NDI_RED); 1875 cf::NDI_RED);
1876 # we need this sleep as the login has a concurrent enter_exit running
1877 # and this sleep increases chances of the player not ending up in scorn
1630 Coro::Timer::sleep 1; 1878 Coro::Timer::sleep 1;
1631 $pl->ob->leave_link; 1879 $pl->ob->leave_link;
1632 })->prio (2); 1880 })->prio (2);
1633 } 1881 }
1634 }, 1882 },
1642 my ($self, $path, $x, $y) = @_; 1890 my ($self, $path, $x, $y) = @_;
1643 1891
1644 $self->enter_link; 1892 $self->enter_link;
1645 1893
1646 (async { 1894 (async {
1647 $path = new cf::path $path; 1895 my $map = eval {
1648
1649 my $map = cf::map::find $path->as_string; 1896 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1897 $map = $map->customise_for ($self) if $map;
1651 1898 $map
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1899 } or
1653# if $map;
1654
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1900 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1901
1657 $self->leave_link ($map, $x, $y); 1902 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1903 })->prio (1);
1659} 1904}
1660 1905
1664 1909
1665sub parse_random_map_params { 1910sub parse_random_map_params {
1666 my ($spec) = @_; 1911 my ($spec) = @_;
1667 1912
1668 my $rmp = { # defaults 1913 my $rmp = { # defaults
1669 xsize => 10, 1914 xsize => (cf::rndm 15, 40),
1670 ysize => 10, 1915 ysize => (cf::rndm 15, 40),
1916 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1917 #layout => string,
1671 }; 1918 };
1672 1919
1673 for (split /\n/, $spec) { 1920 for (split /\n/, $spec) {
1674 my ($k, $v) = split /\s+/, $_, 2; 1921 my ($k, $v) = split /\s+/, $_, 2;
1675 1922
1679 $rmp 1926 $rmp
1680} 1927}
1681 1928
1682sub prepare_random_map { 1929sub prepare_random_map {
1683 my ($exit) = @_; 1930 my ($exit) = @_;
1931
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1684 1933
1685 # all this does is basically replace the /! path by 1934 # all this does is basically replace the /! path by
1686 # a new random map path (?random/...) with a seed 1935 # a new random map path (?random/...) with a seed
1687 # that depends on the exit object 1936 # that depends on the exit object
1688 1937
1689 my $rmp = parse_random_map_params $exit->msg; 1938 my $rmp = parse_random_map_params $exit->msg;
1690 1939
1691 if ($exit->map) { 1940 if ($exit->map) {
1692 $rmp->{region} = $exit->map->region_name; 1941 $rmp->{region} = $exit->region->name;
1693 $rmp->{origin_map} = $exit->map->path; 1942 $rmp->{origin_map} = $exit->map->path;
1694 $rmp->{origin_x} = $exit->x; 1943 $rmp->{origin_x} = $exit->x;
1695 $rmp->{origin_y} = $exit->y; 1944 $rmp->{origin_y} = $exit->y;
1696 } 1945 }
1697 1946
1698 $rmp->{random_seed} ||= $exit->random_seed; 1947 $rmp->{random_seed} ||= $exit->random_seed;
1699 1948
1700 my $data = cf::to_json $rmp; 1949 my $data = cf::to_json $rmp;
1701 my $md5 = Digest::MD5::md5_hex $data; 1950 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702 1952
1703 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1953 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704 aio_write $fh, 0, (length $data), $data, 0; 1954 aio_write $fh, 0, (length $data), $data, 0;
1955 undef $fh;
1956 aio_rename "$meta~", $meta;
1705 1957
1706 $exit->slaying ("?random/$md5"); 1958 $exit->slaying ("?random/$md5");
1707 $exit->msg (undef); 1959 $exit->msg (undef);
1708 } 1960 }
1709} 1961}
1710 1962
1711sub cf::object::player::enter_exit { 1963sub cf::object::player::enter_exit {
1712 my ($self, $exit) = @_; 1964 my ($self, $exit) = @_;
1713 1965
1714 return unless $self->type == cf::PLAYER; 1966 return unless $self->type == cf::PLAYER;
1967
1968 if ($exit->slaying eq "/!") {
1969 #TODO: this should de-fi-ni-te-ly not be a sync-job
1970 # the problem is that $exit might not survive long enough
1971 # so it needs to be done right now, right here
1972 cf::sync_job { prepare_random_map $exit };
1973 }
1974
1975 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976 my $hp = $exit->stats->hp;
1977 my $sp = $exit->stats->sp;
1715 1978
1716 $self->enter_link; 1979 $self->enter_link;
1717 1980
1718 (async { 1981 (async {
1719 $self->deactivate_recursive; # just to be sure 1982 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1983 unless (eval {
1721 prepare_random_map $exit 1984 $self->goto ($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 1985
1727 1; 1986 1;
1728 }) { 1987 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1988 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1989 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1990 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 1991 cf::NDI_UNIQUE | cf::NDI_RED);
1733 1992
1734 warn "ERROR in enter_exit: $@"; 1993 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 1994 $self->leave_link;
1736 } 1995 }
1737 })->prio (1); 1996 })->prio (1);
1750 2009
1751sub cf::client::send_drawinfo { 2010sub cf::client::send_drawinfo {
1752 my ($self, $text, $flags) = @_; 2011 my ($self, $text, $flags) = @_;
1753 2012
1754 utf8::encode $text; 2013 utf8::encode $text;
1755 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2014 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756} 2015}
1757 2016
2017=item $client->ext_event ($type, %msg)
2018
2019Sends an exti event to the client.
2020
2021=cut
2022
2023sub cf::client::ext_event($$%) {
2024 my ($self, $type, %msg) = @_;
2025
2026 $msg{msgtype} = "event_$type";
2027 $self->send_packet ("ext " . cf::to_json \%msg);
2028}
1758 2029
1759=item $success = $client->query ($flags, "text", \&cb) 2030=item $success = $client->query ($flags, "text", \&cb)
1760 2031
1761Queues a query to the client, calling the given callback with 2032Queues a query to the client, calling the given callback with
1762the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2033the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1791 # get handled first 2062 # get handled first
1792 my $queue = delete $ns->{query_queue} 2063 my $queue = delete $ns->{query_queue}
1793 or return; # be conservative, not sure how that can happen, but we saw a crash here 2064 or return; # be conservative, not sure how that can happen, but we saw a crash here
1794 2065
1795 (shift @$queue)->[1]->($msg); 2066 (shift @$queue)->[1]->($msg);
2067 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796 2068
1797 push @{ $ns->{query_queue} }, @$queue; 2069 push @{ $ns->{query_queue} }, @$queue;
1798 2070
1799 if (@{ $ns->{query_queue} } == @$queue) { 2071 if (@{ $ns->{query_queue} } == @$queue) {
1800 if (@$queue) { 2072 if (@$queue) {
1858 2130
1859# here we export the classes and methods available to script code 2131# here we export the classes and methods available to script code
1860 2132
1861=pod 2133=pod
1862 2134
1863The following fucntions and emthods are available within a safe environment: 2135The following functions and methods are available within a safe environment:
1864 2136
1865 cf::object contr pay_amount pay_player map 2137 cf::object contr pay_amount pay_player map
1866 cf::object::player player 2138 cf::object::player player
1867 cf::player peaceful 2139 cf::player peaceful
1868 cf::map trigger 2140 cf::map trigger
1961The parameter C<$family> should best start with the name of the extension 2233The parameter C<$family> should best start with the name of the extension
1962using it, it should be unique. 2234using it, it should be unique.
1963 2235
1964=over 4 2236=over 4
1965 2237
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 2238=item $value = cf::db_get $family => $key
1973 2239
1974Returns a single value from the database 2240Returns 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 2241
1981=item cf::db_put $family => $key => $value 2242=item cf::db_put $family => $key => $value
1982 2243
1983Stores the given C<$value> in the family hash. Updates are delayed, if you 2244Stores 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 2245
1994=cut 2246=cut
1995 2247
1996our $DB; 2248our $DB;
1997 2249
1998{ 2250sub db_init {
2251 unless ($DB) {
2252 $DB = BDB::db_create $DB_ENV;
2253
2254 cf::sync_job {
2255 eval {
2256 $DB->set_flags (BDB::CHKSUM);
2257
2258 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260 cf::cleanup "db_open(db): $!" if $!;
2261 };
2262 cf::cleanup "db_open(db): $@" if $@;
2263 };
2264
1999 my $path = cf::localdir . "/database.pst"; 2265 my $path = cf::localdir . "/database.pst";
2266 if (stat $path) {
2267 cf::sync_job {
2268 my $pst = Storable::retrieve $path;
2000 2269
2001 sub db_load() { 2270 cf::db_put (board => data => $pst->{board});
2002 $DB = stat $path ? Storable::retrieve $path : { }; 2271 cf::db_put (guildrules => data => $pst->{guildrules});
2003 } 2272 cf::db_put (rent => balance => $pst->{rent}{balance});
2273 BDB::db_env_txn_checkpoint $DB_ENV;
2004 2274
2005 my $pid; 2275 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 } 2276 };
2015 } 2277 }
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 }); 2278 }
2279}
2027 2280
2028 sub db_dirty() {
2029 $dirty = 1;
2030 $idle->start;
2031 }
2032
2033 sub db_get($;$) { 2281sub db_get($$) {
2034 @_ >= 2 2282 my $key = "$_[0]/$_[1]";
2035 ? $DB->{$_[0]}{$_[1]}
2036 : ($DB->{$_[0]} ||= { })
2037 }
2038 2283
2284 cf::sync_job {
2285 BDB::db_get $DB, undef, $key, my $data;
2286
2287 $! ? ()
2288 : Compress::LZF::sthaw $data
2289 }
2290}
2291
2039 sub db_put($$;$) { 2292sub db_put($$$) {
2040 if (@_ >= 3) { 2293 BDB::dbreq_pri 4;
2041 $DB->{$_[0]}{$_[1]} = $_[2]; 2294 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295}
2296
2297#############################################################################
2298# the server's init and main functions
2299
2300sub load_facedata {
2301 my $path = sprintf "%s/facedata", cf::datadir;
2302
2303 warn "loading facedata from $path\n";
2304
2305 my $faces;
2306 0 < aio_load $path, $faces
2307 or die "$path: $!";
2308
2309 Coro::cede;
2310 $faces = Storable::thaw $faces;
2311 Coro::cede;
2312
2313 my $meta = delete $faces->{""};
2314 $meta->{version} == 1
2315 or cf::cleanup "$path: version mismatch, cannot proceed.";
2316
2317 while (my ($face, $info) = each %$faces) {
2318 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2320 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2321 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2322 Coro::cede;
2323 }
2324
2325 while (my ($face, $info) = each %$faces) {
2326 next unless $info->{smooth};
2327 my $idx = cf::face::find $face
2328 or next;
2329 if (my $smooth = cf::face::find $info->{smooth}) {
2330 cf::face::set_smooth $idx, $smooth;
2042 } else { 2331 } else {
2043 $DB->{$_[0]} = $_[1]; 2332 warn "smooth face '$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 }, 2333 }
2053 ); 2334 Coro::cede;
2054} 2335 }
2055 2336
2056############################################################################# 2337 1
2057# the server's main() 2338}
2339
2340sub reload_resources {
2341 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2342 or die "unable to load regions file\n";#d#
2343 load_facedata
2344 or die "unable to load facedata\n";#d#
2345}
2346
2347sub init {
2348 reload_resources;
2349}
2058 2350
2059sub cfg_load { 2351sub cfg_load {
2060 open my $fh, "<:utf8", cf::confdir . "/config" 2352 open my $fh, "<:utf8", cf::confdir . "/config"
2061 or return; 2353 or return;
2062 2354
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2360 $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}; 2361 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2362
2071 if (exists $CFG{mlockall}) { 2363 if (exists $CFG{mlockall}) {
2072 eval { 2364 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2365 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2366 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2367 };
2076 warn $@ if $@; 2368 warn $@ if $@;
2077 } 2369 }
2078} 2370}
2079 2371
2080sub main { 2372sub main {
2081 # we must not ever block the main coroutine 2373 # we must not ever block the main coroutine
2082 local $Coro::idle = sub { 2374 local $Coro::idle = sub {
2083 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2375 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376 (async {
2084 async { Event::one_event }; 2377 Event::one_event;
2378 })->prio (Coro::PRIO_MAX);
2085 }; 2379 };
2086 2380
2087 cfg_load; 2381 cfg_load;
2088 db_load; 2382 db_init;
2089 load_extensions; 2383 load_extensions;
2384
2385 $TICK_WATCHER->start;
2090 Event::loop; 2386 Event::loop;
2091} 2387}
2092 2388
2093############################################################################# 2389#############################################################################
2094# initialisation 2390# initialisation and cleanup
2391
2392# install some emergency cleanup handlers
2393BEGIN {
2394 for my $signal (qw(INT HUP TERM)) {
2395 Event->signal (
2396 reentrant => 0,
2397 data => WF_AUTOCANCEL,
2398 signal => $signal,
2399 prio => 0,
2400 cb => sub {
2401 cf::cleanup "SIG$signal";
2402 },
2403 );
2404 }
2405}
2406
2407sub emergency_save() {
2408 my $freeze_guard = cf::freeze_mainloop;
2409
2410 warn "enter emergency perl save\n";
2411
2412 cf::sync_job {
2413 # use a peculiar iteration method to avoid tripping on perl
2414 # refcount bugs in for. also avoids problems with players
2415 # and maps saved/destroyed asynchronously.
2416 warn "begin emergency player save\n";
2417 for my $login (keys %cf::PLAYER) {
2418 my $pl = $cf::PLAYER{$login} or next;
2419 $pl->valid or next;
2420 $pl->save;
2421 }
2422 warn "end emergency player save\n";
2423
2424 warn "begin emergency map save\n";
2425 for my $path (keys %cf::MAP) {
2426 my $map = $cf::MAP{$path} or next;
2427 $map->valid or next;
2428 $map->save;
2429 }
2430 warn "end emergency map save\n";
2431
2432 warn "begin emergency database checkpoint\n";
2433 BDB::db_env_txn_checkpoint $DB_ENV;
2434 warn "end emergency database checkpoint\n";
2435 };
2436
2437 warn "leave emergency perl save\n";
2438}
2439
2440sub post_cleanup {
2441 my ($make_core) = @_;
2442
2443 warn Carp::longmess "post_cleanup backtrace"
2444 if $make_core;
2445}
2095 2446
2096sub reload() { 2447sub reload() {
2097 # can/must only be called in main 2448 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2449 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2450 warn "can only reload from main coroutine";
2100 return; 2451 return;
2101 } 2452 }
2102 2453
2103 warn "reloading..."; 2454 warn "reloading...";
2104 2455
2105 my $guard = freeze_mainloop; 2456 warn "entering sync_job";
2457
2458 cf::sync_job {
2459 cf::write_runtime; # external watchdog should not bark
2106 cf::emergency_save; 2460 cf::emergency_save;
2461 cf::write_runtime; # external watchdog should not bark
2107 2462
2108 eval { 2463 warn "syncing database to disk";
2464 BDB::db_env_txn_checkpoint $DB_ENV;
2465
2109 # if anything goes wrong in here, we should simply crash as we already saved 2466 # if anything goes wrong in here, we should simply crash as we already saved
2110 2467
2111 # cancel all watchers 2468 warn "cancelling all WF_AUTOCANCEL watchers";
2112 for (Event::all_watchers) { 2469 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2470 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2471 }
2115 2472
2473 warn "flushing outstanding aio requests";
2474 for (;;) {
2475 BDB::flush;
2476 IO::AIO::flush;
2477 Coro::cede;
2478 last unless IO::AIO::nreqs || BDB::nreqs;
2479 warn "iterate...";
2480 }
2481
2482 ++$RELOAD;
2483
2116 # cancel all extension coros 2484 warn "cancelling all extension coros";
2117 $_->cancel for values %EXT_CORO; 2485 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2486 %EXT_CORO = ();
2119 2487
2120 # unload all extensions 2488 warn "removing commands";
2121 for (@exts) { 2489 %COMMAND = ();
2490
2491 warn "removing ext commands";
2492 %EXTCMD = ();
2493
2494 warn "unloading/nuking all extensions";
2495 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2496 warn "... unloading $pkg";
2123 unload_extension $_; 2497
2498 if (my $cb = $pkg->can ("unload")) {
2499 eval {
2500 $cb->($pkg);
2501 1
2502 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2503 }
2125 2504
2505 warn "... nuking $pkg";
2506 Symbol::delete_package $pkg;
2507 }
2508
2126 # unload all modules loaded from $LIBDIR 2509 warn "unloading all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2510 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2512
2130 warn "removing <$k>"; 2513 warn "... unloading $k";
2131 delete $INC{$k}; 2514 delete $INC{$k};
2132 2515
2133 $k =~ s/\.pm$//; 2516 $k =~ s/\.pm$//;
2134 $k =~ s/\//::/g; 2517 $k =~ s/\//::/g;
2135 2518
2138 } 2521 }
2139 2522
2140 Symbol::delete_package $k; 2523 Symbol::delete_package $k;
2141 } 2524 }
2142 2525
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2526 warn "getting rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2527 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2528 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2529
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2530 warn "unloading cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2531 delete $INC{"cf.pm"};
2156 2532
2157 # don't, removes xs symbols, too, 2533 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2534 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2535 #Symbol::delete_package __PACKAGE__;
2160 2536
2161 # reload cf.pm 2537 warn "unload completed, starting to reload now";
2538
2162 warn "reloading cf.pm"; 2539 warn "reloading cf.pm";
2163 require cf; 2540 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2541 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2542
2166 # load config and database again 2543 warn "loading config and database again";
2167 cf::cfg_load; 2544 cf::cfg_load;
2168 cf::db_load;
2169 2545
2170 # load extensions
2171 warn "load extensions"; 2546 warn "loading extensions";
2172 cf::load_extensions; 2547 cf::load_extensions;
2173 2548
2174 # reattach attachments to objects 2549 warn "reattaching attachments to objects/players";
2175 warn "reattach"; 2550 _global_reattach; # objects, sockets
2176 _global_reattach; 2551 warn "reattaching attachments to maps";
2177 reattach $_ for values %MAP; 2552 reattach $_ for values %MAP;
2178 }; 2553 warn "reattaching attachments to players";
2554 reattach $_ for values %PLAYER;
2179 2555
2180 if ($@) { 2556 warn "loading reloadable resources";
2557 reload_resources;
2558
2559 warn "leaving sync_job";
2560
2561 1
2562 } or do {
2181 warn $@; 2563 warn $@;
2182 warn "error while reloading, exiting."; 2564 warn "error while reloading, exiting.";
2183 exit 1; 2565 exit 1;
2184 } 2566 };
2185 2567
2186 warn "reloaded successfully"; 2568 warn "reloaded";
2187}; 2569};
2188 2570
2189############################################################################# 2571our $RELOAD_WATCHER; # used only during reload
2190
2191unless ($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} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2572
2234register_command "reload" => sub { 2573register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2574 my ($who, $arg) = @_;
2236 2575
2237 if ($who->flag (FLAG_WIZ)) { 2576 if ($who->flag (FLAG_WIZ)) {
2238 $who->message ("start of reload."); 2577 $who->message ("reloading server.");
2578
2579 # doing reload synchronously and two reloads happen back-to-back,
2580 # coro crashes during coro_state_free->destroy here.
2581
2582 $RELOAD_WATCHER ||= Event->timer (
2583 reentrant => 0,
2584 after => 0,
2585 data => WF_AUTOCANCEL,
2586 cb => sub {
2239 reload; 2587 reload;
2240 $who->message ("end of reload."); 2588 undef $RELOAD_WATCHER;
2589 },
2590 );
2241 } 2591 }
2242}; 2592};
2243 2593
2244unshift @INC, $LIBDIR; 2594unshift @INC, $LIBDIR;
2595
2596my $bug_warning = 0;
2245 2597
2246$TICK_WATCHER = Event->timer ( 2598$TICK_WATCHER = Event->timer (
2247 reentrant => 0, 2599 reentrant => 0,
2600 parked => 1,
2248 prio => 0, 2601 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2602 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2251 cb => sub { 2604 cb => sub {
2605 if ($Coro::current != $Coro::main) {
2606 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607 unless ++$bug_warning > 10;
2608 return;
2609 }
2610
2611 $NOW = Event::time;
2612
2252 cf::server_tick; # one server iteration 2613 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2614 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2615 $NEXT_TICK += $TICK;
2616
2617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2619 Coro::async_pool {
2620 write_runtime
2621 or warn "ERROR: unable to write runtime file: $!";
2622 };
2623 }
2624
2625 $WAIT_FOR_TICK->broadcast;
2626 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628# my $AFTER = Event::time;
2629# warn $AFTER - $NOW;#d#
2255 2630
2256 # if we are delayed by four ticks or more, skip them all 2631 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2632 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2633
2259 $TICK_WATCHER->at ($NEXT_TICK); 2634 $TICK_WATCHER->at ($NEXT_TICK);
2260 $TICK_WATCHER->start; 2635 $TICK_WATCHER->start;
2261 }, 2636 },
2262); 2637);
2263 2638
2639{
2264IO::AIO::max_poll_time $TICK * 0.2; 2640 BDB::max_poll_time $TICK * 0.1;
2265 2641 $BDB_POLL_WATCHER = Event->io (
2266Event->io ( 2642 reentrant => 0,
2267 fd => IO::AIO::poll_fileno, 2643 fd => BDB::poll_fileno,
2268 poll => 'r', 2644 poll => 'r',
2269 prio => 5, 2645 prio => 0,
2270 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb,
2272);
2273
2274Event->timer (
2275 data => WF_AUTOCANCEL, 2646 data => WF_AUTOCANCEL,
2276 after => 0, 2647 cb => \&BDB::poll_cb,
2277 interval => 10, 2648 );
2278 cb => sub { 2649 BDB::min_parallel 8;
2279 (Coro::unblock_sub { 2650
2280 write_runtime 2651 BDB::set_sync_prepare {
2281 or warn "ERROR: unable to write runtime file: $!"; 2652 my $status;
2653 my $current = $Coro::current;
2654 (
2655 sub {
2656 $status = $!;
2657 $current->ready; undef $current;
2658 },
2659 sub {
2660 Coro::schedule while defined $current;
2661 $! = $status;
2662 },
2663 )
2664 };
2665
2666 unless ($DB_ENV) {
2667 $DB_ENV = BDB::db_env_create;
2668
2669 cf::sync_job {
2670 eval {
2671 BDB::db_env_open
2672 $DB_ENV,
2673 $BDB_ENV_DIR,
2674 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676 0666;
2677
2678 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2679
2680 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681 $DB_ENV->set_lk_detect;
2682 };
2683
2684 cf::cleanup "db_env_open(db): $@" if $@;
2282 })->(); 2685 };
2283 }, 2686 }
2284); 2687}
2688
2689{
2690 IO::AIO::min_parallel 8;
2691
2692 undef $Coro::AIO::WATCHER;
2693 IO::AIO::max_poll_time $TICK * 0.1;
2694 $AIO_POLL_WATCHER = Event->io (
2695 reentrant => 0,
2696 data => WF_AUTOCANCEL,
2697 fd => IO::AIO::poll_fileno,
2698 poll => 'r',
2699 prio => 6,
2700 cb => \&IO::AIO::poll_cb,
2701 );
2702}
2285 2703
2286END { cf::emergency_save } 2704END { cf::emergency_save }
2287 2705
22881 27061
2289 2707

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