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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.246 by root, Tue Apr 17 10:38:28 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 3.61 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 27use YAML::Syck ();
28use IO::AIO 2.32 ();
24use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
25 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
27 39
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
30 42
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 44
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 46
35our %COMMAND = (); 47our %COMMAND = ();
36our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
38 54
55our $RELOAD; # number of reloads so far
39our @EVENT; 56our @EVENT;
40our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
41 58
42our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 63our $NEXT_TICK;
45our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
46 69
47our %CFG; 70our %CFG;
48 71
49our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 73our $RUNTIME;
51 74
75our %PLAYER; # all users
52our %MAP; # all maps 76our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56 83
57binmode STDOUT; 84binmode STDOUT;
58binmode STDERR; 85binmode STDERR;
59 86
60# read virtual server time, if available 87# read virtual server time, if available
67mkdir cf::localdir; 94mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
72 100
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
76 104
77############################################################################# 105#############################################################################
78 106
79=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
80 108
104 132
105=item %cf::CFG 133=item %cf::CFG
106 134
107Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 136from wherever your confdir points to.
137
138=item cf::wait_for_tick, cf::wait_for_tick_begin
139
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109 143
110=back 144=back
111 145
112=cut 146=cut
113 147
117 utf8::encode $msg; 151 utf8::encode $msg;
118 152
119 $msg .= "\n" 153 $msg .= "\n"
120 unless $msg =~ /\n$/; 154 unless $msg =~ /\n$/;
121 155
122 LOG llevError, "cfperl: $msg"; 156 LOG llevError, $msg;
123 }; 157 };
124} 158}
125 159
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 179
146$Event::DIED = sub { 180$Event::DIED = sub {
147 warn "error in event callback: @_"; 181 warn "error in event callback: @_";
148}; 182};
149 183
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 184=head2 UTILITY FUNCTIONS
155 185
156=over 4 186=over 4
157 187
158=cut 188=item dumpval $ref
159 189
190=cut
191
192sub dumpval {
193 eval {
194 local $SIG{__DIE__};
195 my $d;
196 if (1) {
197 $d = new Data::Dumper([$_[0]], ["*var"]);
198 $d->Terse(1);
199 $d->Indent(2);
200 $d->Quotekeys(0);
201 $d->Useqq(1);
202 #$d->Bless(...);
203 $d->Seen($_[1]) if @_ > 1;
204 $d = $d->Dump();
205 }
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d
208 } || "[unable to dump $_[0]: '$@']";
209}
210
160use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161 212
162=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
163 214
164Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
165 216
166=cut
167
168sub from_json($) {
169 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170 JSON::Syck::Load $_[0]
171}
172
173=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
174 218
175Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
176
177=cut
178
179sub to_json($) {
180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181 JSON::Syck::Dump $_[0]
182}
183 220
184=item cf::lock_wait $string 221=item cf::lock_wait $string
185 222
186Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
187 224
224} 261}
225 262
226sub freeze_mainloop { 263sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
228 265
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
230 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
231 $guard 270 $guard
232} 271}
233 272
234=item cf::async { BLOCK } 273=item cf::async { BLOCK }
286 } 325 }
287} 326}
288 327
289=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
290 329
291Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
292extension calling this is being unloaded. 331extension calling this is being unloaded.
293 332
294=cut 333=cut
295 334
296sub async_ext(&) { 335sub async_ext(&) {
305 344
306 $coro 345 $coro
307} 346}
308 347
309sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
310 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
311 352
312 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313 or return; 354 or return;
314 355
356 my $value = $cf::RUNTIME + 90 + 10;
315 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
316 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
317 and return; 361 and return;
318 362
363 # always fsync - this file is important
319 aio_fsync $fh 364 aio_fsync $fh
320 and return; 365 and return;
321 366
322 close $fh 367 close $fh
323 or return; 368 or return;
326 and return; 371 and return;
327 372
328 1 373 1
329} 374}
330 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
331=back 387=back
332 388
333=cut 389=cut
334
335#############################################################################
336
337package cf::path;
338
339sub new {
340 my ($class, $path, $base) = @_;
341
342 $path = $path->as_string if ref $path;
343
344 my $self = bless { }, $class;
345
346 # {... are special paths that are not touched
347 # ?xxx/... are special absolute paths
348 # ?random/... random maps
349 # /! non-realised random map exit
350 # /... normal maps
351 # ~/... per-player maps without a specific player (DO NOT USE)
352 # ~user/... per-player map of a specific user
353
354 if ($path =~ /^{/) {
355 # fine as it is
356 } elsif ($path =~ s{^\?random/}{}) {
357 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358 $self->{random} = cf::from_json $data;
359 } else {
360 if ($path =~ s{^~([^/]+)?}{}) {
361 $self->{user_rel} = 1;
362
363 if (defined $1) {
364 $self->{user} = $1;
365 } elsif ($base =~ m{^~([^/]+)/}) {
366 $self->{user} = $1;
367 } else {
368 warn "cannot resolve user-relative path without user <$path,$base>\n";
369 }
370 } elsif ($path =~ /^\//) {
371 # already absolute
372 } else {
373 $base =~ s{[^/]+/?$}{};
374 return $class->new ("$base/$path");
375 }
376
377 for ($path) {
378 redo if s{/\.?/}{/};
379 redo if s{/[^/]+/\.\./}{/};
380 }
381 }
382
383 $self->{path} = $path;
384
385 $self
386}
387
388# the name / primary key / in-game path
389sub as_string {
390 my ($self) = @_;
391
392 $self->{user_rel} ? "~$self->{user}$self->{path}"
393 : $self->{random} ? "?random/$self->{path}"
394 : $self->{path}
395}
396
397# the displayed name, this is a one way mapping
398sub visible_name {
399 my ($self) = @_;
400
401# if (my $rmp = $self->{random}) {
402# # todo: be more intelligent about this
403# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404# } else {
405 $self->as_string
406# }
407}
408
409# escape the /'s in the path
410sub _escaped_path {
411 # ∕ is U+2215
412 (my $path = $_[0]{path}) =~ s/\//∕/g;
413 $path
414}
415
416# the original (read-only) location
417sub load_path {
418 my ($self) = @_;
419
420 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421}
422
423# the temporary/swap location
424sub save_path {
425 my ($self) = @_;
426
427 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430}
431
432# the unique path, might be eq to save_path
433sub uniq_path {
434 my ($self) = @_;
435
436 $self->{user_rel} || $self->{random}
437 ? undef
438 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439}
440
441# return random map parameters, or undef
442sub random_map_params {
443 my ($self) = @_;
444
445 $self->{random}
446}
447
448# this is somewhat ugly, but style maps do need special treatment
449sub is_style_map {
450 $_[0]{path} =~ m{^/styles/}
451}
452
453package cf;
454 390
455############################################################################# 391#############################################################################
456 392
457=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
458 394
584our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
585our @CB_MAP = (); 521our @CB_MAP = ();
586 522
587my %attachment; 523my %attachment;
588 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
589sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
590 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
591 533
592 use sort 'stable'; 534 use sort 'stable';
593 535
764# object support 706# object support
765 707
766sub reattach { 708sub reattach {
767 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769 713
770 my $registry = $obj->registry; 714 my $registry = $obj->registry;
771 715
772 @$registry = (); 716 @$registry = ();
773 717
820 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
821 765
822 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
824 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
826 close $fh; 770 close $fh;
827 771
828 if (@$objs) { 772 if (@$objs) {
829 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
831 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
832 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
833 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
834 close $fh; 778 close $fh;
835 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
836 } 780 }
837 } else { 781 } else {
838 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
905=cut 849=cut
906 850
907sub register_extcmd { 851sub register_extcmd {
908 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
909 853
910 my $caller = caller;
911 #warn "registering extcmd '$name' to '$caller'";
912
913 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
914} 855}
915 856
916cf::player->attach ( 857cf::player->attach (
917 on_command => sub { 858 on_command => sub {
918 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
931 872
932 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
933 874
934 if (ref $msg) { 875 if (ref $msg) {
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
937 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
938 } 879 }
939 } 880 }
940 } else { 881 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 884
944 cf::override; 885 cf::override;
945 }, 886 },
946); 887);
947 888
948sub register {
949 my ($base, $pkg) = @_;
950
951 #TODO
952}
953
954sub load_extension { 889sub load_extension {
955 my ($path) = @_; 890 my ($path) = @_;
956 891
957 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
958 my $base = $1; 893 my $base = $1;
959 my $pkg = $1; 894 my $pkg = $1;
960 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
961 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
962 897
963 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
964 899
965 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
966 or die "$path: $!"; 901 or die "$path: $!";
967 902
968 my $source = 903 my $source =
969 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
970 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
971 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
972 . "\n};\n1"; 907 . "\n};\n1";
973 908
974 eval $source 909 unless (eval $source) {
975 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
976 : "extension disabled.\n"; 911 : "extension disabled.\n";
977 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978 push @exts, $pkg; 913 warn $@;
979 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
980 915 exit 1;
981# no strict 'refs'; 916 }
982# @{"$pkg\::ISA"} = ext::; 917 die $@;
983
984 register $base, $pkg;
985}
986
987sub unload_extension {
988 my ($pkg) = @_;
989
990 warn "removing extension $pkg\n";
991
992 # remove hooks
993 #TODO
994# for my $idx (0 .. $#PLUGIN_EVENT) {
995# delete $hook[$idx]{$pkg};
996# } 918 }
997 919
998 # remove commands 920 push @EXTS, $pkg;
999 for my $name (keys %COMMAND) {
1000 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002 if (@cb) {
1003 $COMMAND{$name} = \@cb;
1004 } else {
1005 delete $COMMAND{$name};
1006 }
1007 }
1008
1009 # remove extcmds
1010 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011 delete $EXTCMD{$name};
1012 }
1013
1014 if (my $cb = $pkg->can ("unload")) {
1015 eval {
1016 $cb->($pkg);
1017 1
1018 } or warn "$pkg unloaded, but with errors: $@";
1019 }
1020
1021 Symbol::delete_package $pkg;
1022} 921}
1023 922
1024sub load_extensions { 923sub load_extensions {
1025 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1026 next unless -r $ext; 925 next unless -r $ext;
1030 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1031 } 930 }
1032} 931}
1033 932
1034############################################################################# 933#############################################################################
1035# load/save/clean perl data associated with a map
1036
1037*cf::mapsupport::on_clean = sub {
1038 my ($map) = @_;
1039
1040 my $path = $map->tmpname;
1041 defined $path or return;
1042
1043 unlink "$path.pst";
1044};
1045
1046cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048#############################################################################
1049# load/save perl data associated with player->ob objects
1050
1051sub all_objects(@) {
1052 @_, map all_objects ($_->inv), @_
1053}
1054
1055# TODO: compatibility cruft, remove when no longer needed
1056cf::player->attach (
1057 on_load => sub {
1058 my ($pl, $path) = @_;
1059
1060 for my $o (all_objects $pl->ob) {
1061 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062 $o->set_ob_key_value ("_perl_data");
1063
1064 %$o = %{ Storable::thaw pack "H*", $value };
1065 }
1066 }
1067 },
1068);
1069
1070#############################################################################
1071 934
1072=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1073 936
1074Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1075 938
939=cut
940
941package cf::player;
942
943use Coro::AIO;
944
1076=head3 cf::player 945=head3 cf::player
1077 946
1078=over 4 947=over 4
1079 948
1080=item cf::player::exists $login 949=item cf::player::find $login
1081 950
1082Returns true when the given account exists. 951Returns the given player object, loading it if necessary (might block).
1083 952
1084=cut 953=cut
1085 954
1086sub cf::player::exists($) { 955sub playerdir($) {
1087 cf::player::find $_[0] 956 cf::localdir
1088 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1089} 961}
1090 962
963sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965
966 (playerdir $login) . "/playerdata"
967}
968
969sub find_active($) {
970 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active
972 and $cf::PLAYER{$_[0]}
973}
974
975sub exists($) {
976 my ($login) = @_;
977
978 $cf::PLAYER{$login}
979 or cf::sync_job { !aio_stat path $login }
980}
981
982sub find($) {
983 return $cf::PLAYER{$_[0]} || do {
984 my $login = $_[0];
985
986 my $guard = cf::lock_acquire "user_find:$login";
987
988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
996 my $pl = load_pl path $login
997 or return;
998 $cf::PLAYER{$login} = $pl
999 }
1000 }
1001}
1002
1003sub save($) {
1004 my ($pl) = @_;
1005
1006 return if $pl->{deny_save};
1007
1008 my $path = path $pl;
1009 my $guard = cf::lock_acquire "user_save:$path";
1010
1011 return if $pl->{deny_save};
1012
1013 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME;
1015
1016 $pl->save_pl ($path);
1017 Coro::cede;
1018}
1019
1020sub new($) {
1021 my ($login) = @_;
1022
1023 my $self = create;
1024
1025 $self->ob->name ($login);
1026 $self->{deny_save} = 1;
1027
1028 $cf::PLAYER{$login} = $self;
1029
1030 $self
1031}
1032
1033=item $pl->quit_character
1034
1035Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time.
1037
1038=cut
1039
1040sub quit_character {
1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1044
1045 $pl->{deny_save} = 1;
1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1047
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns;
1052
1053 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1055 aio_rename $path, $temp;
1056 delete $cf::PLAYER{$pl->ob->name};
1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1079}
1080
1081=item cf::player::list_logins
1082
1083Returns am arrayref of all valid playernames in the system, can take a
1084while and may block, so not sync_job-capable, ever.
1085
1086=cut
1087
1088sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1090 or return [];
1091
1092 my @logins;
1093
1094 for my $login (@$dirs) {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag
1098
1099 utf8::decode $login;
1100 push @logins, $login;
1101 }
1102
1103 \@logins
1104}
1105
1106=item $player->maps
1107
1108Returns an arrayref of map paths that are private for this
1109player. May block.
1110
1111=cut
1112
1113sub maps($) {
1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1117
1118 my $files = aio_readdir playerdir $pl
1119 or return;
1120
1121 my @paths;
1122
1123 for (@$files) {
1124 utf8::decode $_;
1125 next if /\.(?:pl|pst)$/;
1126 next unless /^$PATH_SEP/o;
1127
1128 push @paths, cf::map::normalise "~$pl/$_";
1129 }
1130
1131 \@paths
1132}
1133
1091=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1092 1135
1093Sends an ext reply to the player. 1136Sends an ext reply to the player.
1094 1137
1095=cut 1138=cut
1096 1139
1097sub cf::player::ext_reply($$$%) { 1140sub ext_reply($$%) {
1098 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1099 1142
1100 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1101 1144
1102 $self->send ("ext " . to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1146}
1147
1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1103} 1187}
1104 1188
1105=back 1189=back
1106
1107 1190
1108=head3 cf::map 1191=head3 cf::map
1109 1192
1110=over 4 1193=over 4
1111 1194
1114package cf::map; 1197package cf::map;
1115 1198
1116use Fcntl; 1199use Fcntl;
1117use Coro::AIO; 1200use Coro::AIO;
1118 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1119our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1120our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1121 1208
1122sub generate_random_map { 1209sub generate_random_map {
1123 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1124
1125 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1126 cf::map::_create_random_map 1212 $self->_create_random_map (
1127 $path,
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1132 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1221 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}) 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1224 )
1225}
1226
1227=item cf::map->register ($regex, $prio)
1228
1229Register a handler for the map path matching the given regex at the
1230givne priority (higher is better, built-in handlers have priority 0, the
1231default).
1232
1233=cut
1234
1235sub register {
1236 my (undef, $regex, $prio) = @_;
1237 my $pkg = caller;
1238
1239 no strict;
1240 push @{"$pkg\::ISA"}, __PACKAGE__;
1241
1242 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243}
1244
1245# also paths starting with '/'
1246$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1247
1248sub thawer_merge {
1249 my ($self, $merge) = @_;
1250
1251 # we have to keep some variables in memory intact
1252 local $self->{path};
1253 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256
1257 $self->SUPER::thawer_merge ($merge);
1258}
1259
1260sub normalise {
1261 my ($path, $base) = @_;
1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1267 # map plan:
1268 #
1269 # /! non-realised random map exit (special hack!)
1270 # {... are special paths that are not being touched
1271 # ?xxx/... are special absolute paths
1272 # ?random/... random maps
1273 # /... normal maps
1274 # ~user/... per-player map of a specific user
1275
1276 $path =~ s/$PATH_SEP/\//go;
1277
1278 # treat it as relative path if it starts with
1279 # something that looks reasonable
1280 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1281 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1282
1283 $base =~ s{[^/]+/?$}{};
1284 $path = "$base/$path";
1285 }
1286
1287 for ($path) {
1288 redo if s{//}{/};
1289 redo if s{/\.?/}{/};
1290 redo if s{/[^/]+/\.\./}{/};
1291 }
1292
1293 $path
1294}
1295
1296sub new_from_path {
1297 my (undef, $path, $base) = @_;
1298
1299 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1300
1301 $path = normalise $path, $base;
1302
1303 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1304 if ($path =~ $EXT_MAP{$pkg}[1]) {
1305 my $self = bless cf::map::new, $pkg;
1306 $self->{path} = $path; $self->path ($path);
1307 $self->init; # pass $1 etc.
1308 return $self;
1309 }
1310 }
1311
1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1313 ()
1314}
1315
1316sub init {
1317 my ($self) = @_;
1318
1319 $self
1320}
1321
1322sub as_string {
1323 my ($self) = @_;
1324
1325 "$self->{path}"
1326}
1327
1328# the displayed name, this is a one way mapping
1329sub visible_name {
1330 &as_string
1331}
1332
1333# the original (read-only) location
1334sub load_path {
1335 my ($self) = @_;
1336
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1338}
1339
1340# the temporary/swap location
1341sub save_path {
1342 my ($self) = @_;
1343
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1346}
1347
1348# the unique path, undef == no special unique path
1349sub uniq_path {
1350 my ($self) = @_;
1351
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139} 1354}
1140 1355
1141# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1142# all maps in C++... 1357# all maps in C++...
1143sub change_all_map_light { 1358sub change_all_map_light {
1145 1360
1146 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1147 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1148} 1363}
1149 1364
1365sub unlink_save {
1366 my ($self) = @_;
1367
1368 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1371}
1372
1150sub try_load_header($) { 1373sub load_header_from($) {
1151 my ($path) = @_; 1374 my ($self, $path) = @_;
1152 1375
1153 utf8::encode $path; 1376 utf8::encode $path;
1154 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1155 or return; 1381 or return;
1156 1382
1157 my $map = cf::map::new 1383 $self->{load_path} = $path;
1384
1385 1
1386}
1387
1388sub load_header_orig {
1389 my ($self) = @_;
1390
1391 $self->load_header_from ($self->load_path)
1392}
1393
1394sub load_header_temp {
1395 my ($self) = @_;
1396
1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1417}
1418
1419sub load_header {
1420 my ($self) = @_;
1421
1422 if ($self->load_header_temp) {
1423 $self->prepare_temp;
1424 } else {
1425 $self->load_header_orig
1158 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1159 1429
1160 # for better error messages only, will be overwritten 1430 $self->default_region (cf::region::find_by_path $self->{path})
1161 $map->path ($path); 1431 unless $self->default_region;
1162 1432
1163 $map->load_header ($path) 1433 1
1164 or return;
1165
1166 $map->{load_path} = $path;
1167
1168 $map
1169} 1434}
1170 1435
1171sub find; 1436sub find;
1172sub find { 1437sub find {
1173 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1174 1439
1175 #warn "find<$path,$origin>\n";#d#
1176
1177 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1178 my $key = $path->as_string;
1179 1441
1180 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1181 1443
1182 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1183 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1184 1446 my $map = new_from_path cf::map $path
1185 # do it the slow way
1186 my $map = try_load_header $path->save_path;
1187
1188 Coro::cede;
1189
1190 if ($map) {
1191 $map->last_access ((delete $map->{last_access})
1192 || $cf::RUNTIME); #d#
1193 # safety
1194 $map->{instantiate_time} = $cf::RUNTIME
1195 if $map->{instantiate_time} > $cf::RUNTIME;
1196 } else {
1197 if (my $rmp = $path->random_map_params) {
1198 $map = generate_random_map $key, $rmp;
1199 } else {
1200 $map = try_load_header $path->load_path;
1201 }
1202
1203 $map or return; 1447 or return;
1204 1448
1205 $map->{load_original} = 1;
1206 $map->{instantiate_time} = $cf::RUNTIME;
1207 $map->last_access ($cf::RUNTIME);
1208 $map->instantiate;
1209
1210 # per-player maps become, after loading, normal maps
1211 $map->per_player (0) if $path->{user_rel};
1212 }
1213
1214 $map->path ($key);
1215 $map->{path} = $path;
1216 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1217 1450
1218 Coro::cede; 1451 $map->load_header
1452 or return;
1219 1453
1220 if ($map->should_reset) { 1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait;
1221 $map->reset; 1457 $map->reset;
1222 undef $guard; 1458 undef $guard;
1223 $map = find $path 1459 return find $path;
1224 or return;
1225 } 1460 }
1226 1461
1227 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1228 } 1463 }
1229} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1230 1468
1231sub load { 1469sub load {
1232 my ($self) = @_; 1470 my ($self) = @_;
1233 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1234 my $path = $self->{path}; 1474 my $path = $self->{path};
1235 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1236 1476
1237 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1238 1478
1239 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1240 1480
1241 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1242 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1243 or return; 1487 or return;
1244 1488
1245 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1247 1491
1248 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1249 utf8::encode $uniq; 1493 utf8::encode $uniq;
1250 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1251 $self->clear_unique_items; 1495 $self->clear_unique_items;
1252 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1253 } 1497 }
1254 } 1498 }
1255 1499
1256 Coro::cede; 1500 Coro::cede;
1257
1258 # now do the right thing for maps 1501 # now do the right thing for maps
1259 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1260 1504
1261 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1262 $self->{deny_save} = 1; 1506 $self->decay_objects;
1263 $self->{deny_reset} = 1;
1264 } else {
1265 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1266 $self->decay_objects;
1267 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1268 $self->set_darkness_map; 1510 $self->set_darkness_map;
1269 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1270 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1271 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1272 } 1516 }
1273 1517
1518 $self->post_load;
1274 Coro::cede; 1519 Coro::cede;
1275 1520
1276 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522}
1523
1524sub customise_for {
1525 my ($self, $ob) = @_;
1526
1527 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player;
1529
1530 $self
1531}
1532
1533# find and load all maps in the 3x3 area around a map
1534sub load_diag {
1535 my ($map) = @_;
1536
1537 my @diag; # diagonal neighbours
1538
1539 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_)
1541 or next;
1542 $neigh = find $neigh, $map
1543 or next;
1544 $neigh->load;
1545
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 }
1549
1550 for (@diag) {
1551 my $neigh = find @$_
1552 or next;
1553 $neigh->load;
1554 }
1277} 1555}
1278 1556
1279sub find_sync { 1557sub find_sync {
1280 my ($path, $origin) = @_; 1558 my ($path, $origin) = @_;
1281 1559
1282 cf::sync_job { cf::map::find $path, $origin } 1560 cf::sync_job { find $path, $origin }
1283} 1561}
1284 1562
1285sub do_load_sync { 1563sub do_load_sync {
1286 my ($map) = @_; 1564 my ($map) = @_;
1287 1565
1288 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1289} 1567}
1290 1568
1569our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef;
1571
1572sub find_async {
1573 my ($path, $origin) = @_;
1574
1575 $path = normalise $path, $origin && $origin->{path};
1576
1577 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1579 }
1580
1581 undef $MAP_PREFETCH{$path};
1582 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) {
1585 my $map = find $path
1586 or next;
1587 $map->load;
1588
1589 delete $MAP_PREFETCH{$path};
1590 }
1591 }
1592 undef $MAP_PREFETCHER;
1593 };
1594 $MAP_PREFETCHER->prio (6);
1595
1596 ()
1597}
1598
1291sub save { 1599sub save {
1292 my ($self) = @_; 1600 my ($self) = @_;
1293 1601
1294 my $lock = cf::lock_acquire "map_data:" . $self->path; 1602 my $lock = cf::lock_acquire "map_data:" . $self->path;
1295 1603
1296 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1297 1605
1298 return unless $self->dirty; 1606 return unless $self->dirty;
1299 1607
1300 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1301 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1302 1610
1303 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1304 1612
1305 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1306 1614
1307 local $self->{last_access} = $self->last_access;#d# 1615 local $self->{last_access} = $self->last_access;#d#
1308 1616
1617 cf::async {
1618 $_->contr->save for $self->players;
1619 };
1620
1309 if ($uniq) { 1621 if ($uniq) {
1310 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1312 } else { 1624 } else {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314 } 1626 }
1315} 1627}
1316 1628
1317sub swap_out { 1629sub swap_out {
1318 my ($self) = @_; 1630 my ($self) = @_;
1332 1644
1333sub reset_at { 1645sub reset_at {
1334 my ($self) = @_; 1646 my ($self) = @_;
1335 1647
1336 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1337 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1338 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1339 1651
1340 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342 1654
1347 my ($self) = @_; 1659 my ($self) = @_;
1348 1660
1349 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1350} 1662}
1351 1663
1352sub unlink_save {
1353 my ($self) = @_;
1354
1355 utf8::encode (my $save = $self->{path}->save_path);
1356 aioreq_pri 3; IO::AIO::aio_unlink $save;
1357 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358}
1359
1360sub rename {
1361 my ($self, $new_path) = @_;
1362
1363 $self->unlink_save;
1364
1365 delete $cf::MAP{$self->path};
1366 $self->{path} = new cf::path $new_path;
1367 $self->path ($self->{path}->as_string);
1368 $cf::MAP{$self->path} = $self;
1369
1370 $self->save;
1371}
1372
1373sub reset { 1664sub reset {
1374 my ($self) = @_; 1665 my ($self) = @_;
1375 1666
1376 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1377 1668
1378 return if $self->players; 1669 return if $self->players;
1379 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1380 1671
1381 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1382 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1383 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1384 1687
1385 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1386 1689
1387 $self->unlink_save; 1690 $self->unlink_save;
1388 $self->destroy; 1691 $self->destroy;
1391my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1392 1695
1393sub nuke { 1696sub nuke {
1394 my ($self) = @_; 1697 my ($self) = @_;
1395 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1396 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1397 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1398 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1399 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1400} 1712}
1401 1713
1402sub customise_for { 1714=item cf::map::unique_maps
1403 my ($map, $ob) = @_;
1404 1715
1405 if ($map->per_player) { 1716Returns an arrayref of paths of all shared maps that have
1406 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1717instantiated unique items. May block.
1407 }
1408 1718
1409 $map 1719=cut
1410}
1411 1720
1412sub emergency_save { 1721sub unique_maps() {
1413 my $freeze_guard = cf::freeze_mainloop; 1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1723 or return;
1414 1724
1415 warn "enter emergency map save\n"; 1725 my @paths;
1416 1726
1417 cf::sync_job { 1727 for (@$files) {
1418 warn "begin emergency map save\n"; 1728 utf8::decode $_;
1419 $_->save for values %cf::MAP; 1729 next if /\.pst$/;
1730 next unless /^$PATH_SEP/o;
1731
1732 push @paths, cf::map::normalise $_;
1420 }; 1733 }
1421 1734
1422 warn "end emergency map save\n"; 1735 \@paths
1423} 1736}
1424 1737
1425package cf; 1738package cf;
1426 1739
1427=back 1740=back
1428 1741
1742=head3 cf::object
1743
1744=cut
1745
1746package cf::object;
1747
1748=over 4
1749
1750=item $ob->inv_recursive
1751
1752Returns the inventory of the object _and_ their inventories, recursively.
1753
1754=cut
1755
1756sub inv_recursive_;
1757sub inv_recursive_ {
1758 map { $_, inv_recursive_ $_->inv } @_
1759}
1760
1761sub inv_recursive {
1762 inv_recursive_ inv $_[0]
1763}
1764
1765package cf;
1766
1767=back
1429 1768
1430=head3 cf::object::player 1769=head3 cf::object::player
1431 1770
1432=over 4 1771=over 4
1433 1772
1473 1812
1474=item $player_object->enter_link 1813=item $player_object->enter_link
1475 1814
1476Freezes the player and moves him/her to a special map (C<{link}>). 1815Freezes the player and moves him/her to a special map (C<{link}>).
1477 1816
1478The player should be reaosnably safe there for short amounts of time. You 1817The player should be reasonably safe there for short amounts of time. You
1479I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1480 1819
1820Will never block.
1821
1481=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1482 1823
1483Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1484map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1485location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1486to the emergency map position. 1827fails, to the emergency map position.
1487 1828
1488Might block. 1829Might block.
1489 1830
1490=cut 1831=cut
1832
1833sub link_map {
1834 unless ($LINK_MAP) {
1835 $LINK_MAP = cf::map::find "{link}"
1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1837 $LINK_MAP->load;
1838 }
1839
1840 $LINK_MAP
1841}
1491 1842
1492sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1493 my ($self) = @_; 1844 my ($self) = @_;
1494 1845
1495 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1496 1847
1497 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1498 1849
1499 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500 if $self->map; 1851 if $self->map;
1501 1852
1502 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1503} 1854}
1504 1855
1505sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1506 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1507 1858
1525 # use -1 or undef as default coordinates, not 0, 0 1876 # use -1 or undef as default coordinates, not 0, 0
1526 ($x, $y) = ($map->enter_x, $map->enter_y) 1877 ($x, $y) = ($map->enter_x, $map->enter_y)
1527 if $x <=0 && $y <= 0; 1878 if $x <=0 && $y <= 0;
1528 1879
1529 $map->load; 1880 $map->load;
1881 $map->load_diag;
1530 1882
1883 return unless $self->contr->active;
1531 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1533} 1888}
1534 1889
1535cf::player->attach ( 1890cf::player->attach (
1536 on_logout => sub { 1891 on_logout => sub {
1547 my ($pl) = @_; 1902 my ($pl) = @_;
1548 1903
1549 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1550 # should happen only on crashes 1905 # should happen only on crashes
1551 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1552
1553 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1554 (async { 1908 (async {
1555 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn
1557 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1558 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1559 . "the server will try to bring you to your intended destination in a second.", 1911 . "the server will try to bring you to your intended destination in a second.",
1560 cf::NDI_RED); 1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1561 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1562 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1563 })->prio (2); 1917 })->prio (2);
1564 } 1918 }
1565 }, 1919 },
1573 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1574 1928
1575 $self->enter_link; 1929 $self->enter_link;
1576 1930
1577 (async { 1931 (async {
1578 $path = new cf::path $path; 1932 my $map = eval {
1579
1580 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1581 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1582 1935 $map
1583# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1584# if $map;
1585
1586 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587 1938
1588 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1589 })->prio (1); 1940 })->prio (1);
1590} 1941}
1591 1942
1595 1946
1596sub parse_random_map_params { 1947sub parse_random_map_params {
1597 my ($spec) = @_; 1948 my ($spec) = @_;
1598 1949
1599 my $rmp = { # defaults 1950 my $rmp = { # defaults
1600 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1601 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1602 }; 1955 };
1603 1956
1604 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1605 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1606 1959
1610 $rmp 1963 $rmp
1611} 1964}
1612 1965
1613sub prepare_random_map { 1966sub prepare_random_map {
1614 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1615 1970
1616 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1617 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1618 # that depends on the exit object 1973 # that depends on the exit object
1619 1974
1620 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1621 1976
1622 if ($exit->map) { 1977 if ($exit->map) {
1623 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1624 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1625 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1626 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1627 } 1982 }
1628 1983
1629 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1630 1985
1631 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1632 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633 1989
1634 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635 aio_write $fh, 0, (length $data), $data, 0; 1991 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh;
1993 aio_rename "$meta~", $meta;
1636 1994
1637 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1638 $exit->msg (undef); 1996 $exit->msg (undef);
1639 } 1997 }
1640} 1998}
1641 1999
1642sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1643 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1644 2002
1645 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
1646 2015
1647 $self->enter_link; 2016 $self->enter_link;
1648 2017
1649 (async { 2018 (async {
1650 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1651 unless (eval { 2020 unless (eval {
1652 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1653 if $exit->slaying eq "/!";
1654
1655 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657 2022
1658 1; 2023 1;
1659 }) { 2024 }) {
1660 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1661 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1662 . "Please report this to the dungeon master", 2027 . "Please report this to the dungeon master!",
1663 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1664 2029
1665 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1666 $self->leave_link; 2031 $self->leave_link;
1667 } 2032 }
1668 })->prio (1); 2033 })->prio (1);
1681 2046
1682sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1683 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1684 2049
1685 utf8::encode $text; 2050 utf8::encode $text;
1686 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687} 2052}
1688 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1689 2066
1690=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1691 2068
1692Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1693the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1722 # get handled first 2099 # get handled first
1723 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1724 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1725 2102
1726 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727 2105
1728 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1729 2107
1730 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1731 if (@$queue) { 2109 if (@$queue) {
1789 2167
1790# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
1791 2169
1792=pod 2170=pod
1793 2171
1794The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
1795 2173
1796 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
1797 cf::object::player player 2175 cf::object::player player
1798 cf::player peaceful 2176 cf::player peaceful
1799 cf::map trigger 2177 cf::map trigger
1892The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
1893using it, it should be unique. 2271using it, it should be unique.
1894 2272
1895=over 4 2273=over 4
1896 2274
1897=item $hashref = cf::db_get $family
1898
1899Return a hashref for use by the extension C<$family>, which can be
1900modified. After modifications, you have to call C<cf::db_dirty> or
1901C<cf::db_sync>.
1902
1903=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
1904 2276
1905Returns a single value from the database 2277Returns a single value from the database.
1906
1907=item cf::db_put $family => $hashref
1908
1909Stores the given family hashref into the database. Updates are delayed, if
1910you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911 2278
1912=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
1913 2280
1914Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
1915want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917=item cf::db_dirty
1918
1919Marks the database as dirty, to be updated at a later time.
1920
1921=item cf::db_sync
1922
1923Immediately write the database to disk I<if it is dirty>.
1924 2282
1925=cut 2283=cut
1926 2284
1927our $DB; 2285our $DB;
1928 2286
1929{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
1930 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
1931 2306
1932 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
1933 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
1934 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
1935 2311
1936 my $pid; 2312 unlink $path;
1937
1938 sub db_save() {
1939 waitpid $pid, 0 if $pid;
1940 if (0 == ($pid = fork)) {
1941 $DB->{_meta}{version} = 1;
1942 Storable::nstore $DB, "$path~";
1943 rename "$path~", $path;
1944 cf::_exit 0 if defined $pid;
1945 } 2313 };
1946 }
1947
1948 my $dirty;
1949
1950 sub db_sync() {
1951 db_save if $dirty;
1952 undef $dirty;
1953 }
1954
1955 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956 db_sync;
1957 });
1958
1959 sub db_dirty() {
1960 $dirty = 1;
1961 $idle->start;
1962 }
1963
1964 sub db_get($;$) {
1965 @_ >= 2
1966 ? $DB->{$_[0]}{$_[1]}
1967 : ($DB->{$_[0]} ||= { })
1968 }
1969
1970 sub db_put($$;$) {
1971 if (@_ >= 3) {
1972 $DB->{$_[0]}{$_[1]} = $_[2];
1973 } else {
1974 $DB->{$_[0]} = $_[1];
1975 }
1976 db_dirty;
1977 }
1978
1979 cf::global->attach (
1980 prio => 10000,
1981 on_cleanup => sub {
1982 db_sync;
1983 }, 2314 }
1984 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985} 2332}
1986 2333
1987############################################################################# 2334#############################################################################
1988# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata($) {
2338 my ($path) = @_;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub reload_facedata {
2390 load_facedata sprintf "%s/facedata", cf::datadir
2391 or die "unable to load facedata\n";
2392}
2393
2394sub reload_regions {
2395 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396 or die "unable to load regions file\n";
2397}
2398
2399sub reload_archetypes {
2400 load_archetype_file sprintf "%s/archetypes", cf::datadir
2401 or die "unable to load archetypes\n";
2402}
2403
2404sub reload_treasures {
2405 load_treasure_file sprintf "%s/treasures", cf::datadir
2406 or die "unable to load treasurelists\n";
2407}
2408
2409sub reload_resources {
2410 warn "reloading resource files...\n";
2411
2412 reload_regions;
2413 reload_facedata;
2414 reload_archetypes;
2415 reload_treasures;
2416
2417 warn "finished reloading resource files\n";
2418}
2419
2420sub init {
2421 reload_resources;
2422}
1989 2423
1990sub cfg_load { 2424sub cfg_load {
1991 open my $fh, "<:utf8", cf::confdir . "/config" 2425 open my $fh, "<:utf8", cf::confdir . "/config"
1992 or return; 2426 or return;
1993 2427
1999 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2433 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2434 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001 2435
2002 if (exists $CFG{mlockall}) { 2436 if (exists $CFG{mlockall}) {
2003 eval { 2437 eval {
2004 $CFG{mlockall} ? &mlockall : &munlockall 2438 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005 and die "WARNING: m(un)lockall failed: $!\n"; 2439 and die "WARNING: m(un)lockall failed: $!\n";
2006 }; 2440 };
2007 warn $@ if $@; 2441 warn $@ if $@;
2008 } 2442 }
2009} 2443}
2010 2444
2011sub main { 2445sub main {
2012 # we must not ever block the main coroutine 2446 # we must not ever block the main coroutine
2013 local $Coro::idle = sub { 2447 local $Coro::idle = sub {
2014 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2448 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449 (async {
2015 async { Event::one_event }; 2450 Event::one_event;
2451 })->prio (Coro::PRIO_MAX);
2016 }; 2452 };
2017 2453
2018 cfg_load; 2454 cfg_load;
2019 db_load; 2455 db_init;
2020 load_extensions; 2456 load_extensions;
2457
2458 $TICK_WATCHER->start;
2021 Event::loop; 2459 Event::loop;
2022} 2460}
2023 2461
2024############################################################################# 2462#############################################################################
2025# initialisation 2463# initialisation and cleanup
2026 2464
2465# install some emergency cleanup handlers
2466BEGIN {
2467 for my $signal (qw(INT HUP TERM)) {
2468 Event->signal (
2469 reentrant => 0,
2470 data => WF_AUTOCANCEL,
2471 signal => $signal,
2472 prio => 0,
2473 cb => sub {
2474 cf::cleanup "SIG$signal";
2475 },
2476 );
2477 }
2478}
2479
2480sub emergency_save() {
2481 my $freeze_guard = cf::freeze_mainloop;
2482
2483 warn "enter emergency perl save\n";
2484
2485 cf::sync_job {
2486 # use a peculiar iteration method to avoid tripping on perl
2487 # refcount bugs in for. also avoids problems with players
2488 # and maps saved/destroyed asynchronously.
2489 warn "begin emergency player save\n";
2490 for my $login (keys %cf::PLAYER) {
2491 my $pl = $cf::PLAYER{$login} or next;
2492 $pl->valid or next;
2493 $pl->save;
2494 }
2495 warn "end emergency player save\n";
2496
2497 warn "begin emergency map save\n";
2498 for my $path (keys %cf::MAP) {
2499 my $map = $cf::MAP{$path} or next;
2500 $map->valid or next;
2501 $map->save;
2502 }
2503 warn "end emergency map save\n";
2504
2505 warn "begin emergency database checkpoint\n";
2506 BDB::db_env_txn_checkpoint $DB_ENV;
2507 warn "end emergency database checkpoint\n";
2508 };
2509
2510 warn "leave emergency perl save\n";
2511}
2512
2513sub post_cleanup {
2514 my ($make_core) = @_;
2515
2516 warn Carp::longmess "post_cleanup backtrace"
2517 if $make_core;
2518}
2519
2027sub reload() { 2520sub do_reload_perl() {
2028 # can/must only be called in main 2521 # can/must only be called in main
2029 if ($Coro::current != $Coro::main) { 2522 if ($Coro::current != $Coro::main) {
2030 warn "can only reload from main coroutine\n"; 2523 warn "can only reload from main coroutine";
2031 return; 2524 return;
2032 } 2525 }
2033 2526
2034 warn "reloading..."; 2527 warn "reloading...";
2035 2528
2036 my $guard = freeze_mainloop; 2529 warn "entering sync_job";
2530
2531 cf::sync_job {
2532 cf::write_runtime; # external watchdog should not bark
2037 cf::emergency_save; 2533 cf::emergency_save;
2534 cf::write_runtime; # external watchdog should not bark
2038 2535
2039 eval { 2536 warn "syncing database to disk";
2537 BDB::db_env_txn_checkpoint $DB_ENV;
2538
2040 # if anything goes wrong in here, we should simply crash as we already saved 2539 # if anything goes wrong in here, we should simply crash as we already saved
2041 2540
2042 # cancel all watchers 2541 warn "cancelling all WF_AUTOCANCEL watchers";
2043 for (Event::all_watchers) { 2542 for (Event::all_watchers) {
2044 $_->cancel if $_->data & WF_AUTOCANCEL; 2543 $_->cancel if $_->data & WF_AUTOCANCEL;
2045 } 2544 }
2046 2545
2546 warn "flushing outstanding aio requests";
2547 for (;;) {
2548 BDB::flush;
2549 IO::AIO::flush;
2550 Coro::cede;
2551 last unless IO::AIO::nreqs || BDB::nreqs;
2552 warn "iterate...";
2553 }
2554
2555 ++$RELOAD;
2556
2047 # cancel all extension coros 2557 warn "cancelling all extension coros";
2048 $_->cancel for values %EXT_CORO; 2558 $_->cancel for values %EXT_CORO;
2049 %EXT_CORO = (); 2559 %EXT_CORO = ();
2050 2560
2051 # unload all extensions 2561 warn "removing commands";
2052 for (@exts) { 2562 %COMMAND = ();
2563
2564 warn "removing ext commands";
2565 %EXTCMD = ();
2566
2567 warn "unloading/nuking all extensions";
2568 for my $pkg (@EXTS) {
2053 warn "unloading <$_>"; 2569 warn "... unloading $pkg";
2054 unload_extension $_; 2570
2571 if (my $cb = $pkg->can ("unload")) {
2572 eval {
2573 $cb->($pkg);
2574 1
2575 } or warn "$pkg unloaded, but with errors: $@";
2055 } 2576 }
2056 2577
2578 warn "... nuking $pkg";
2579 Symbol::delete_package $pkg;
2580 }
2581
2057 # unload all modules loaded from $LIBDIR 2582 warn "unloading all perl modules loaded from $LIBDIR";
2058 while (my ($k, $v) = each %INC) { 2583 while (my ($k, $v) = each %INC) {
2059 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2584 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060 2585
2061 warn "removing <$k>"; 2586 warn "... unloading $k";
2062 delete $INC{$k}; 2587 delete $INC{$k};
2063 2588
2064 $k =~ s/\.pm$//; 2589 $k =~ s/\.pm$//;
2065 $k =~ s/\//::/g; 2590 $k =~ s/\//::/g;
2066 2591
2069 } 2594 }
2070 2595
2071 Symbol::delete_package $k; 2596 Symbol::delete_package $k;
2072 } 2597 }
2073 2598
2074 # sync database to disk
2075 cf::db_sync;
2076 IO::AIO::flush;
2077
2078 # get rid of safe::, as good as possible 2599 warn "getting rid of safe::, as good as possible";
2079 Symbol::delete_package "safe::$_" 2600 Symbol::delete_package "safe::$_"
2080 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2601 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081 2602
2082 # remove register_script_function callbacks
2083 # TODO
2084
2085 # unload cf.pm "a bit" 2603 warn "unloading cf.pm \"a bit\"";
2086 delete $INC{"cf.pm"}; 2604 delete $INC{"cf.pm"};
2087 2605
2088 # don't, removes xs symbols, too, 2606 # don't, removes xs symbols, too,
2089 # and global variables created in xs 2607 # and global variables created in xs
2090 #Symbol::delete_package __PACKAGE__; 2608 #Symbol::delete_package __PACKAGE__;
2091 2609
2092 # reload cf.pm 2610 warn "unload completed, starting to reload now";
2611
2093 warn "reloading cf.pm"; 2612 warn "reloading cf.pm";
2094 require cf; 2613 require cf;
2095 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2614 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096 2615
2097 # load config and database again 2616 warn "loading config and database again";
2098 cf::cfg_load; 2617 cf::cfg_load;
2099 cf::db_load;
2100 2618
2101 # load extensions
2102 warn "load extensions"; 2619 warn "loading extensions";
2103 cf::load_extensions; 2620 cf::load_extensions;
2104 2621
2105 # reattach attachments to objects 2622 warn "reattaching attachments to objects/players";
2106 warn "reattach"; 2623 _global_reattach; # objects, sockets
2107 _global_reattach; 2624 warn "reattaching attachments to maps";
2108 }; 2625 reattach $_ for values %MAP;
2626 warn "reattaching attachments to players";
2627 reattach $_ for values %PLAYER;
2109 2628
2110 if ($@) { 2629 warn "leaving sync_job";
2630
2631 1
2632 } or do {
2111 warn $@; 2633 warn $@;
2112 warn "error while reloading, exiting."; 2634 warn "error while reloading, exiting.";
2113 exit 1; 2635 exit 1;
2114 } 2636 };
2115 2637
2116 warn "reloaded successfully"; 2638 warn "reloaded";
2117}; 2639};
2118 2640
2119############################################################################# 2641our $RELOAD_WATCHER; # used only during reload
2120 2642
2121unless ($LINK_MAP) { 2643sub reload_perl() {
2122 $LINK_MAP = cf::map::new; 2644 # doing reload synchronously and two reloads happen back-to-back,
2645 # coro crashes during coro_state_free->destroy here.
2123 2646
2124 $LINK_MAP->width (41); 2647 $RELOAD_WATCHER ||= Event->timer (
2125 $LINK_MAP->height (41); 2648 reentrant => 0,
2126 $LINK_MAP->alloc;
2127 $LINK_MAP->path ("{link}");
2128 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131 # dirty hack because... archetypes are not yet loaded
2132 Event->timer (
2133 after => 2, 2649 after => 0,
2650 data => WF_AUTOCANCEL,
2134 cb => sub { 2651 cb => sub {
2135 $_[0]->w->cancel; 2652 do_reload_perl;
2136 2653 undef $RELOAD_WATCHER;
2137 # provide some exits "home"
2138 my $exit = cf::object::new "exit";
2139
2140 $exit->slaying ($EMERGENCY_POSITION->[0]);
2141 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144 $LINK_MAP->insert ($exit->clone, 19, 19);
2145 $LINK_MAP->insert ($exit->clone, 19, 20);
2146 $LINK_MAP->insert ($exit->clone, 19, 21);
2147 $LINK_MAP->insert ($exit->clone, 20, 19);
2148 $LINK_MAP->insert ($exit->clone, 20, 21);
2149 $LINK_MAP->insert ($exit->clone, 21, 19);
2150 $LINK_MAP->insert ($exit->clone, 21, 20);
2151 $LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153 $exit->destroy;
2154 }); 2654 },
2155 2655 );
2156 $LINK_MAP->{deny_save} = 1;
2157 $LINK_MAP->{deny_reset} = 1;
2158
2159 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160} 2656}
2161
2162register "<global>", __PACKAGE__;
2163 2657
2164register_command "reload" => sub { 2658register_command "reload" => sub {
2165 my ($who, $arg) = @_; 2659 my ($who, $arg) = @_;
2166 2660
2167 if ($who->flag (FLAG_WIZ)) { 2661 if ($who->flag (FLAG_WIZ)) {
2168 $who->message ("start of reload.");
2169 reload;
2170 $who->message ("end of reload."); 2662 $who->message ("reloading server.");
2663 async { reload_perl };
2171 } 2664 }
2172}; 2665};
2173 2666
2174unshift @INC, $LIBDIR; 2667unshift @INC, $LIBDIR;
2668
2669my $bug_warning = 0;
2670
2671our @WAIT_FOR_TICK;
2672our @WAIT_FOR_TICK_BEGIN;
2673
2674sub wait_for_tick {
2675 return unless $TICK_WATCHER->is_active;
2676 return if $Coro::current == $Coro::main;
2677
2678 my $signal = new Coro::Signal;
2679 push @WAIT_FOR_TICK, $signal;
2680 $signal->wait;
2681}
2682
2683sub wait_for_tick_begin {
2684 return unless $TICK_WATCHER->is_active;
2685 return if $Coro::current == $Coro::main;
2686
2687 my $signal = new Coro::Signal;
2688 push @WAIT_FOR_TICK_BEGIN, $signal;
2689 $signal->wait;
2690}
2175 2691
2176$TICK_WATCHER = Event->timer ( 2692$TICK_WATCHER = Event->timer (
2177 reentrant => 0, 2693 reentrant => 0,
2694 parked => 1,
2178 prio => 0, 2695 prio => 0,
2179 at => $NEXT_TICK || $TICK, 2696 at => $NEXT_TICK || $TICK,
2180 data => WF_AUTOCANCEL, 2697 data => WF_AUTOCANCEL,
2181 cb => sub { 2698 cb => sub {
2699 if ($Coro::current != $Coro::main) {
2700 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701 unless ++$bug_warning > 10;
2702 return;
2703 }
2704
2705 $NOW = Event::time;
2706
2182 cf::server_tick; # one server iteration 2707 cf::server_tick; # one server iteration
2708
2183 $RUNTIME += $TICK; 2709 $RUNTIME += $TICK;
2184 $NEXT_TICK += $TICK; 2710 $NEXT_TICK += $TICK;
2185 2711
2712 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713 $NEXT_RUNTIME_WRITE = $NOW + 10;
2714 Coro::async_pool {
2715 write_runtime
2716 or warn "ERROR: unable to write runtime file: $!";
2717 };
2718 }
2719
2720# my $AFTER = Event::time;
2721# warn $AFTER - $NOW;#d#
2722
2186 # if we are delayed by four ticks or more, skip them all 2723 # if we are delayed by four ticks or more, skip them all
2187 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2724 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188 2725
2189 $TICK_WATCHER->at ($NEXT_TICK); 2726 $TICK_WATCHER->at ($NEXT_TICK);
2190 $TICK_WATCHER->start; 2727 $TICK_WATCHER->start;
2728
2729 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730 $sig->send;
2731 }
2732 while (my $sig = shift @WAIT_FOR_TICK) {
2733 $sig->send;
2734 }
2735
2736 _post_tick;
2191 }, 2737 },
2192); 2738);
2193 2739
2740{
2194IO::AIO::max_poll_time $TICK * 0.2; 2741 BDB::max_poll_time $TICK * 0.1;
2195 2742 $BDB_POLL_WATCHER = Event->io (
2196Event->io ( 2743 reentrant => 0,
2197 fd => IO::AIO::poll_fileno, 2744 fd => BDB::poll_fileno,
2198 poll => 'r', 2745 poll => 'r',
2199 prio => 5, 2746 prio => 0,
2200 data => WF_AUTOCANCEL,
2201 cb => \&IO::AIO::poll_cb,
2202);
2203
2204Event->timer (
2205 data => WF_AUTOCANCEL, 2747 data => WF_AUTOCANCEL,
2206 after => 0, 2748 cb => \&BDB::poll_cb,
2207 interval => 10, 2749 );
2208 cb => sub { 2750 BDB::min_parallel 8;
2209 (Coro::unblock_sub { 2751
2210 write_runtime 2752 BDB::set_sync_prepare {
2211 or warn "ERROR: unable to write runtime file: $!"; 2753 my $status;
2754 my $current = $Coro::current;
2755 (
2756 sub {
2757 $status = $!;
2758 $current->ready; undef $current;
2759 },
2760 sub {
2761 Coro::schedule while defined $current;
2762 $! = $status;
2763 },
2764 )
2765 };
2766
2767 unless ($DB_ENV) {
2768 $DB_ENV = BDB::db_env_create;
2769
2770 cf::sync_job {
2771 eval {
2772 BDB::db_env_open
2773 $DB_ENV,
2774 $BDB_ENV_DIR,
2775 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777 0666;
2778
2779 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2780
2781 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782 $DB_ENV->set_lk_detect;
2783 };
2784
2785 cf::cleanup "db_env_open(db): $@" if $@;
2212 })->(); 2786 };
2213 }, 2787 }
2214); 2788}
2789
2790{
2791 IO::AIO::min_parallel 8;
2792
2793 undef $Coro::AIO::WATCHER;
2794 IO::AIO::max_poll_time $TICK * 0.1;
2795 $AIO_POLL_WATCHER = Event->io (
2796 reentrant => 0,
2797 data => WF_AUTOCANCEL,
2798 fd => IO::AIO::poll_fileno,
2799 poll => 'r',
2800 prio => 6,
2801 cb => \&IO::AIO::poll_cb,
2802 );
2803}
2215 2804
2216END { cf::emergency_save } 2805END { cf::emergency_save }
2217 2806
22181 28071
2219 2808

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