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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 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
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;
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
52our %PLAYER; # all users 75our %PLAYER; # all users
53our %MAP; # all maps 76our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83
84# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 86
58binmode STDOUT; 87binmode STDOUT;
59binmode STDERR; 88binmode STDERR;
60 89
61# read virtual server time, if available 90# read virtual server time, if available
68mkdir cf::localdir; 97mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
73 103
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
77 107
78############################################################################# 108#############################################################################
79 109
80=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
81 111
105 135
106=item %cf::CFG 136=item %cf::CFG
107 137
108Configuration for the server, loaded from C</etc/crossfire/config>, or 138Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 139from wherever your confdir points to.
140
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
142
143These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
144or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
145processing has been done. Call C<< ->wait >> on them to maximise the
146window of cpu time available, or simply to synchronise to the server tick.
110 147
111=back 148=back
112 149
113=cut 150=cut
114 151
118 utf8::encode $msg; 155 utf8::encode $msg;
119 156
120 $msg .= "\n" 157 $msg .= "\n"
121 unless $msg =~ /\n$/; 158 unless $msg =~ /\n$/;
122 159
123 LOG llevError, "cfperl: $msg"; 160 LOG llevError, $msg;
124 }; 161 };
125} 162}
126 163
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 183
147$Event::DIED = sub { 184$Event::DIED = sub {
148 warn "error in event callback: @_"; 185 warn "error in event callback: @_";
149}; 186};
150 187
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 188=head2 UTILITY FUNCTIONS
156 189
157=over 4 190=over 4
158 191
159=cut 192=item dumpval $ref
160 193
194=cut
195
196sub dumpval {
197 eval {
198 local $SIG{__DIE__};
199 my $d;
200 if (1) {
201 $d = new Data::Dumper([$_[0]], ["*var"]);
202 $d->Terse(1);
203 $d->Indent(2);
204 $d->Quotekeys(0);
205 $d->Useqq(1);
206 #$d->Bless(...);
207 $d->Seen($_[1]) if @_ > 1;
208 $d = $d->Dump();
209 }
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d
212 } || "[unable to dump $_[0]: '$@']";
213}
214
161use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 216
163=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
164 218
165Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
166 220
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
175 222
176Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
177
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184 224
185=item cf::lock_wait $string 225=item cf::lock_wait $string
186 226
187Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
188 228
225} 265}
226 266
227sub freeze_mainloop { 267sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
229 269
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
231 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
232 $guard 274 $guard
233} 275}
234 276
235=item cf::async { BLOCK } 277=item cf::async { BLOCK }
287 } 329 }
288} 330}
289 331
290=item $coro = cf::async_ext { BLOCK } 332=item $coro = cf::async_ext { BLOCK }
291 333
292Like async, but this coro is automcatially being canceled when the 334Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 335extension calling this is being unloaded.
294 336
295=cut 337=cut
296 338
297sub async_ext(&) { 339sub async_ext(&) {
306 348
307 $coro 349 $coro
308} 350}
309 351
310sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
311 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
312 356
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 358 or return;
315 359
360 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 365 and return;
319 366
367 # always fsync - this file is important
320 aio_fsync $fh 368 aio_fsync $fh
321 and return; 369 and return;
322 370
323 close $fh 371 close $fh
324 or return; 372 or return;
327 and return; 375 and return;
328 376
329 1 377 1
330} 378}
331 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
332=back 391=back
333 392
334=cut 393=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
455 394
456############################################################################# 395#############################################################################
457 396
458=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
459 398
585our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 525our @CB_MAP = ();
587 526
588my %attachment; 527my %attachment;
589 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
590sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
592 537
593 use sort 'stable'; 538 use sort 'stable';
594 539
765# object support 710# object support
766 711
767sub reattach { 712sub reattach {
768 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 717
771 my $registry = $obj->registry; 718 my $registry = $obj->registry;
772 719
773 @$registry = (); 720 @$registry = ();
774 721
821 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
822 769
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 774 close $fh;
828 775
829 if (@$objs) { 776 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 782 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
837 } 784 }
838 } else { 785 } else {
839 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
906=cut 853=cut
907 854
908sub register_extcmd { 855sub register_extcmd {
909 my ($name, $cb) = @_; 856 my ($name, $cb) = @_;
910 857
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 858 $EXTCMD{$name} = $cb;
915} 859}
916 860
917cf::player->attach ( 861cf::player->attach (
918 on_command => sub { 862 on_command => sub {
919 my ($pl, $name, $params) = @_; 863 my ($pl, $name, $params) = @_;
932 876
933 my $msg = eval { from_json $buf }; 877 my $msg = eval { from_json $buf };
934 878
935 if (ref $msg) { 879 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 880 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 881 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 882 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 883 }
940 } 884 }
941 } else { 885 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 888
945 cf::override; 889 cf::override;
946 }, 890 },
947); 891);
948 892
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 893sub load_extension {
956 my ($path) = @_; 894 my ($path) = @_;
957 895
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 897 my $base = $1;
960 my $pkg = $1; 898 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 899 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 900 $pkg = "ext::$pkg";
963 901
964 warn "loading '$path' into '$pkg'\n"; 902 warn "... loading '$path' into '$pkg'\n";
965 903
966 open my $fh, "<:utf8", $path 904 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 905 or die "$path: $!";
968 906
969 my $source = 907 my $source =
970 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
973 . "\n};\n1"; 911 . "\n};\n1";
974 912
975 eval $source 913 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 915 : "extension disabled.\n";
978 916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 917 warn $@;
980 $ext_pkg{$base} = $pkg; 918 warn "mandatory extension failed to load, exiting.\n";
981 919 exit 1;
982# no strict 'refs'; 920 }
983# @{"$pkg\::ISA"} = ext::; 921 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# } 922 }
998 923
999 # remove commands 924 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} 925}
1024 926
1025sub load_extensions { 927sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 928 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 929 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1032 } 934 }
1033} 935}
1034 936
1035############################################################################# 937#############################################################################
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 938
1073=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1074 940
1075Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1076 942
1077=cut 943=cut
1078 944
1079package cf::player; 945package cf::player;
1080 946
947use Coro::AIO;
948
1081=head3 cf::player 949=head3 cf::player
1082 950
1083=over 4 951=over 4
1084 952
1085=item cf::player::find $login 953=item cf::player::find $login
1086 954
1087Returns the given player object, loading it if necessary (might block). 955Returns the given player object, loading it if necessary (might block).
1088 956
1089=cut 957=cut
1090 958
959sub playerdir($) {
960 cf::localdir
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965}
966
1091sub path($) { 967sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 969
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 970 (playerdir $login) . "/playerdata"
1095} 971}
1096 972
1097sub find_active($) { 973sub find_active($) {
1098 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1102 978
1103sub exists($) { 979sub exists($) {
1104 my ($login) = @_; 980 my ($login) = @_;
1105 981
1106 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1108} 984}
1109 985
1110sub find($) { 986sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 988 my $login = $_[0];
1113 989
1114 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1115 991
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
1000 my $pl = load_pl path $login
1001 or return;
1002 $cf::PLAYER{$login} = $pl
1003 }
1117 }; 1004 }
1118} 1005}
1119 1006
1120sub save($) { 1007sub save($) {
1121 my ($pl) = @_; 1008 my ($pl) = @_;
1122 1009
1124 1011
1125 my $path = path $pl; 1012 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 1013 my $guard = cf::lock_acquire "user_save:$path";
1127 1014
1128 return if $pl->{deny_save}; 1015 return if $pl->{deny_save};
1016
1017 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1018 $pl->{last_save} = $cf::RUNTIME;
1130 1019
1131 Coro::cede;
1132 $pl->save_pl ($path); 1020 $pl->save_pl ($path);
1133 Coro::cede; 1021 Coro::cede;
1134} 1022}
1135 1023
1136sub new($) { 1024sub new($) {
1144 $cf::PLAYER{$login} = $self; 1032 $cf::PLAYER{$login} = $self;
1145 1033
1146 $self 1034 $self
1147} 1035}
1148 1036
1037=item $pl->quit_character
1038
1039Nukes the player without looking back. If logged in, the connection will
1040be destroyed. May block for a long time.
1041
1042=cut
1043
1044sub quit_character {
1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1048
1049 $pl->{deny_save} = 1;
1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1051
1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053 $pl->deactivate;
1054 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1055 $pl->ns->destroy if $pl->ns;
1056
1057 my $path = playerdir $pl;
1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1059 aio_rename $path, $temp;
1060 delete $cf::PLAYER{$pl->ob->name};
1061 $pl->destroy;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1083}
1084
1085=item cf::player::list_logins
1086
1087Returns am arrayref of all valid playernames in the system, can take a
1088while and may block, so not sync_job-capable, ever.
1089
1090=cut
1091
1092sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1094 or return [];
1095
1096 my @logins;
1097
1098 for my $login (@$dirs) {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag
1102
1103 utf8::decode $login;
1104 push @logins, $login;
1105 }
1106
1107 \@logins
1108}
1109
1110=item $player->maps
1111
1112Returns an arrayref of map paths that are private for this
1113player. May block.
1114
1115=cut
1116
1117sub maps($) {
1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1122 my $files = aio_readdir playerdir $pl
1123 or return;
1124
1125 my @paths;
1126
1127 for (@$files) {
1128 utf8::decode $_;
1129 next if /\.(?:pl|pst)$/;
1130 next unless /^$PATH_SEP/o;
1131
1132 push @paths, cf::map::normalise "~$pl/$_";
1133 }
1134
1135 \@paths
1136}
1137
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1150 1139
1151Sends an ext reply to the player. 1140Sends an ext reply to the player.
1152 1141
1153=cut 1142=cut
1154 1143
1155sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1156 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1157 1146
1158 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1159 1148
1160 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1150}
1151
1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1161} 1162}
1162 1163
1163package cf; 1164package cf;
1164 1165
1165=back 1166=back
1174package cf::map; 1175package cf::map;
1175 1176
1176use Fcntl; 1177use Fcntl;
1177use Coro::AIO; 1178use Coro::AIO;
1178 1179
1180use overload
1181 '""' => \&as_string,
1182 fallback => 1;
1183
1179our $MAX_RESET = 3600; 1184our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1185our $DEFAULT_RESET = 3000;
1181 1186
1182sub generate_random_map { 1187sub generate_random_map {
1183 my ($path, $rmp) = @_; 1188 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1189 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1190 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1191 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1192 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1193 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1194 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1195 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1196 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1197 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1198 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1199 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1200 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1201 (cf::region::find $rmp->{region}), $rmp->{custom}
1202 )
1203}
1204
1205=item cf::map->register ($regex, $prio)
1206
1207Register a handler for the map path matching the given regex at the
1208givne priority (higher is better, built-in handlers have priority 0, the
1209default).
1210
1211=cut
1212
1213sub register {
1214 my (undef, $regex, $prio) = @_;
1215 my $pkg = caller;
1216
1217 no strict;
1218 push @{"$pkg\::ISA"}, __PACKAGE__;
1219
1220 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221}
1222
1223# also paths starting with '/'
1224$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1225
1226sub thawer_merge {
1227 my ($self, $merge) = @_;
1228
1229 # we have to keep some variables in memory intact
1230 local $self->{path};
1231 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234
1235 $self->SUPER::thawer_merge ($merge);
1236}
1237
1238sub normalise {
1239 my ($path, $base) = @_;
1240
1241 $path = "$path"; # make sure its a string
1242
1243 $path =~ s/\.map$//;
1244
1245 # map plan:
1246 #
1247 # /! non-realised random map exit (special hack!)
1248 # {... are special paths that are not being touched
1249 # ?xxx/... are special absolute paths
1250 # ?random/... random maps
1251 # /... normal maps
1252 # ~user/... per-player map of a specific user
1253
1254 $path =~ s/$PATH_SEP/\//go;
1255
1256 # treat it as relative path if it starts with
1257 # something that looks reasonable
1258 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1259 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1260
1261 $base =~ s{[^/]+/?$}{};
1262 $path = "$base/$path";
1263 }
1264
1265 for ($path) {
1266 redo if s{//}{/};
1267 redo if s{/\.?/}{/};
1268 redo if s{/[^/]+/\.\./}{/};
1269 }
1270
1271 $path
1272}
1273
1274sub new_from_path {
1275 my (undef, $path, $base) = @_;
1276
1277 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1278
1279 $path = normalise $path, $base;
1280
1281 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1282 if ($path =~ $EXT_MAP{$pkg}[1]) {
1283 my $self = bless cf::map::new, $pkg;
1284 $self->{path} = $path; $self->path ($path);
1285 $self->init; # pass $1 etc.
1286 return $self;
1287 }
1288 }
1289
1290 Carp::carp "unable to resolve path '$path' (base '$base').";
1291 ()
1292}
1293
1294sub init {
1295 my ($self) = @_;
1296
1297 $self
1298}
1299
1300sub as_string {
1301 my ($self) = @_;
1302
1303 "$self->{path}"
1304}
1305
1306# the displayed name, this is a one way mapping
1307sub visible_name {
1308 &as_string
1309}
1310
1311# the original (read-only) location
1312sub load_path {
1313 my ($self) = @_;
1314
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1316}
1317
1318# the temporary/swap location
1319sub save_path {
1320 my ($self) = @_;
1321
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1324}
1325
1326# the unique path, undef == no special unique path
1327sub uniq_path {
1328 my ($self) = @_;
1329
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1332}
1200 1333
1201# and all this just because we cannot iterate over 1334# and all this just because we cannot iterate over
1202# all maps in C++... 1335# all maps in C++...
1203sub change_all_map_light { 1336sub change_all_map_light {
1205 1338
1206 $_->change_map_light ($change) 1339 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1340 for grep $_->outdoor, values %cf::MAP;
1208} 1341}
1209 1342
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1349}
1350
1210sub try_load_header($) { 1351sub load_header_from($) {
1211 my ($path) = @_; 1352 my ($self, $path) = @_;
1212 1353
1213 utf8::encode $path; 1354 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1355 #aio_open $path, O_RDONLY, 0
1356 # or return;
1357
1358 $self->_load_header ($path)
1215 or return; 1359 or return;
1216 1360
1217 my $map = cf::map::new 1361 $self->{load_path} = $path;
1362
1363 1
1364}
1365
1366sub load_header_orig {
1367 my ($self) = @_;
1368
1369 $self->load_header_from ($self->load_path)
1370}
1371
1372sub load_header_temp {
1373 my ($self) = @_;
1374
1375 $self->load_header_from ($self->save_path)
1376}
1377
1378sub prepare_temp {
1379 my ($self) = @_;
1380
1381 $self->last_access ((delete $self->{last_access})
1382 || $cf::RUNTIME); #d#
1383 # safety
1384 $self->{instantiate_time} = $cf::RUNTIME
1385 if $self->{instantiate_time} > $cf::RUNTIME;
1386}
1387
1388sub prepare_orig {
1389 my ($self) = @_;
1390
1391 $self->{load_original} = 1;
1392 $self->{instantiate_time} = $cf::RUNTIME;
1393 $self->last_access ($cf::RUNTIME);
1394 $self->instantiate;
1395}
1396
1397sub load_header {
1398 my ($self) = @_;
1399
1400 if ($self->load_header_temp) {
1401 $self->prepare_temp;
1402 } else {
1403 $self->load_header_orig
1218 or return; 1404 or return;
1405 $self->prepare_orig;
1406 }
1219 1407
1220 # for better error messages only, will be overwritten 1408 1
1221 $map->path ($path);
1222
1223 $map->load_header ($path)
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1409}
1230 1410
1231sub find; 1411sub find;
1232sub find { 1412sub find {
1233 my ($path, $origin) = @_; 1413 my ($path, $origin) = @_;
1234 1414
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1415 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1416
1240 cf::lock_wait "map_find:$key"; 1417 cf::lock_wait "map_find:$path";
1241 1418
1242 $cf::MAP{$key} || do { 1419 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1420 my $guard = cf::lock_acquire "map_find:$path";
1244 1421 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; 1422 or return;
1264 1423
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; 1424 $map->{last_save} = $cf::RUNTIME;
1277 1425
1278 Coro::cede; 1426 $map->load_header
1427 or return;
1279 1428
1280 if ($map->should_reset) { 1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1432 $map->reset;
1282 undef $guard; 1433 undef $guard;
1283 $map = find $path 1434 return find $path;
1284 or return;
1285 } 1435 }
1286 1436
1287 $cf::MAP{$key} = $map 1437 $cf::MAP{$path} = $map
1288 } 1438 }
1289} 1439}
1440
1441sub pre_load { }
1442sub post_load { }
1290 1443
1291sub load { 1444sub load {
1292 my ($self) = @_; 1445 my ($self) = @_;
1293 1446
1447 local $self->{deny_reset} = 1; # loading can take a long time
1448
1294 my $path = $self->{path}; 1449 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1450 my $guard = cf::lock_acquire "map_load:$path";
1296 1451
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1452 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1453
1299 $self->in_memory (cf::MAP_LOADING); 1454 $self->in_memory (cf::MAP_LOADING);
1300 1455
1301 $self->alloc; 1456 $self->alloc;
1457
1458 $self->pre_load;
1459
1302 $self->load_objects ($self->{load_path}, 1) 1460 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1461 or return;
1304 1462
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1464 if delete $self->{load_original};
1307 1465
1308 if (my $uniq = $path->uniq_path) { 1466 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1467 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1468 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1469 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1470 $self->_load_objects ($uniq, 0);
1313 } 1471 }
1314 } 1472 }
1315 1473
1316 Coro::cede; 1474 Coro::cede;
1317 1475
1318 # now do the right thing for maps 1476 # now do the right thing for maps
1319 $self->link_multipart_objects; 1477 $self->link_multipart_objects;
1320 1478
1321 if ($self->{path}->is_style_map) { 1479 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1480 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1481 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1482 $self->update_buttons;
1483 Coro::cede;
1328 $self->set_darkness_map; 1484 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1485 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1486 unless $self->difficulty;
1487 Coro::cede;
1331 $self->activate; 1488 $self->activate;
1332 } 1489 }
1333 1490
1334 Coro::cede; 1491 $self->post_load;
1335 1492
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494}
1495
1496sub customise_for {
1497 my ($self, $ob) = @_;
1498
1499 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player;
1501
1502 $self
1503}
1504
1505# find and load all maps in the 3x3 area around a map
1506sub load_diag {
1507 my ($map) = @_;
1508
1509 my @diag; # diagonal neighbours
1510
1511 for (0 .. 3) {
1512 my $neigh = $map->tile_path ($_)
1513 or next;
1514 $neigh = find $neigh, $map
1515 or next;
1516 $neigh->load;
1517
1518 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1519 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1520 }
1521
1522 for (@diag) {
1523 my $neigh = find @$_
1524 or next;
1525 $neigh->load;
1526 }
1337} 1527}
1338 1528
1339sub find_sync { 1529sub find_sync {
1340 my ($path, $origin) = @_; 1530 my ($path, $origin) = @_;
1341 1531
1342 cf::sync_job { cf::map::find $path, $origin } 1532 cf::sync_job { find $path, $origin }
1343} 1533}
1344 1534
1345sub do_load_sync { 1535sub do_load_sync {
1346 my ($map) = @_; 1536 my ($map) = @_;
1347 1537
1348 cf::sync_job { $map->load }; 1538 cf::sync_job { $map->load };
1349} 1539}
1350 1540
1541our %MAP_PREFETCH;
1542our $MAP_PREFETCHER = undef;
1543
1544sub find_async {
1545 my ($path, $origin) = @_;
1546
1547 $path = normalise $path, $origin && $origin->{path};
1548
1549 if (my $map = $cf::MAP{$path}) {
1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1551 }
1552
1553 undef $MAP_PREFETCH{$path};
1554 $MAP_PREFETCHER ||= cf::async {
1555 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) {
1557 my $map = find $path
1558 or next;
1559 $map->load;
1560
1561 delete $MAP_PREFETCH{$path};
1562 }
1563 }
1564 undef $MAP_PREFETCHER;
1565 };
1566 $MAP_PREFETCHER->prio (6);
1567
1568 ()
1569}
1570
1351sub save { 1571sub save {
1352 my ($self) = @_; 1572 my ($self) = @_;
1353 1573
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1575
1356 $self->{last_save} = $cf::RUNTIME; 1576 $self->{last_save} = $cf::RUNTIME;
1357 1577
1358 return unless $self->dirty; 1578 return unless $self->dirty;
1359 1579
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1580 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1581 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1582
1363 $self->{load_path} = $save; 1583 $self->{load_path} = $save;
1364 1584
1365 return if $self->{deny_save}; 1585 return if $self->{deny_save};
1366 1586
1369 cf::async { 1589 cf::async {
1370 $_->contr->save for $self->players; 1590 $_->contr->save for $self->players;
1371 }; 1591 };
1372 1592
1373 if ($uniq) { 1593 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1595 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1596 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1597 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1598 }
1379} 1599}
1380 1600
1381sub swap_out { 1601sub swap_out {
1382 my ($self) = @_; 1602 my ($self) = @_;
1396 1616
1397sub reset_at { 1617sub reset_at {
1398 my ($self) = @_; 1618 my ($self) = @_;
1399 1619
1400 # TODO: safety, remove and allow resettable per-player maps 1620 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1622 return 1e99 if $self->{deny_reset};
1403 1623
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1626
1411 my ($self) = @_; 1631 my ($self) = @_;
1412 1632
1413 $self->reset_at <= $cf::RUNTIME 1633 $self->reset_at <= $cf::RUNTIME
1414} 1634}
1415 1635
1416sub unlink_save {
1417 my ($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 $self->save;
1435}
1436
1437sub reset { 1636sub reset {
1438 my ($self) = @_; 1637 my ($self) = @_;
1439 1638
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1639 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1640
1442 return if $self->players; 1641 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1642 return if $self->isa ("ext::map_per_player");#d#
1444 1643
1445 warn "resetting map ", $self->path;#d# 1644 warn "resetting map ", $self->path;#d#
1446 1645
1646 $self->in_memory (cf::MAP_SWAPPED);
1647
1648 # need to save uniques path
1649 unless ($self->{deny_save}) {
1650 my $uniq = $self->uniq_path; utf8::encode $uniq;
1651
1652 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1653 if $uniq;
1654 }
1655
1447 delete $cf::MAP{$self->path}; 1656 delete $cf::MAP{$self->path};
1657
1658 $self->clear;
1448 1659
1449 $_->clear_links_to ($self) for values %cf::MAP; 1660 $_->clear_links_to ($self) for values %cf::MAP;
1450 1661
1451 $self->unlink_save; 1662 $self->unlink_save;
1452 $self->destroy; 1663 $self->destroy;
1455my $nuke_counter = "aaaa"; 1666my $nuke_counter = "aaaa";
1456 1667
1457sub nuke { 1668sub nuke {
1458 my ($self) = @_; 1669 my ($self) = @_;
1459 1670
1671 delete $cf::MAP{$self->path};
1672
1673 $self->unlink_save;
1674
1675 bless $self, "cf::map";
1676 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1677 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1678 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680
1681 $cf::MAP{$self->path} = $self;
1682
1463 $self->reset; # polite request, might not happen 1683 $self->reset; # polite request, might not happen
1464} 1684}
1465 1685
1466sub customise_for { 1686=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1687
1469 if ($map->per_player) { 1688Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1689instantiated unique items. May block.
1471 }
1472 1690
1473 $map 1691=cut
1474}
1475 1692
1476sub emergency_save { 1693sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1694 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1695 or return;
1478 1696
1479 warn "enter emergency perl save\n"; 1697 my @paths;
1480 1698
1481 cf::sync_job { 1699 for (@$files) {
1482 warn "begin emergency player save\n"; 1700 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1701 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1702 next unless /^$PATH_SEP/o;
1485 1703
1486 warn "begin emergency map save\n"; 1704 push @paths, cf::map::normalise $_;
1487 $_->save for values %cf::MAP;
1488 warn "end emergency map save\n";
1489 }; 1705 }
1490 1706
1491 warn "leave emergency perl save\n"; 1707 \@paths
1492} 1708}
1493 1709
1494package cf; 1710package cf;
1495 1711
1496=back 1712=back
1497 1713
1714=head3 cf::object
1715
1716=cut
1717
1718package cf::object;
1719
1720=over 4
1721
1722=item $ob->inv_recursive
1723
1724Returns the inventory of the object _and_ their inventories, recursively.
1725
1726=cut
1727
1728sub inv_recursive_;
1729sub inv_recursive_ {
1730 map { $_, inv_recursive_ $_->inv } @_
1731}
1732
1733sub inv_recursive {
1734 inv_recursive_ inv $_[0]
1735}
1736
1737package cf;
1738
1739=back
1498 1740
1499=head3 cf::object::player 1741=head3 cf::object::player
1500 1742
1501=over 4 1743=over 4
1502 1744
1542 1784
1543=item $player_object->enter_link 1785=item $player_object->enter_link
1544 1786
1545Freezes the player and moves him/her to a special map (C<{link}>). 1787Freezes the player and moves him/her to a special map (C<{link}>).
1546 1788
1547The player should be reaosnably safe there for short amounts of time. You 1789The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1790I<MUST> call C<leave_link> as soon as possible, though.
1549 1791
1792Will never block.
1793
1550=item $player_object->leave_link ($map, $x, $y) 1794=item $player_object->leave_link ($map, $x, $y)
1551 1795
1552Moves the player out of the specila link map onto the given map. If the 1796Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1797map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1798to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1799fails, to the emergency map position.
1556 1800
1557Might block. 1801Might block.
1558 1802
1559=cut 1803=cut
1804
1805sub link_map {
1806 unless ($LINK_MAP) {
1807 $LINK_MAP = cf::map::find "{link}"
1808 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1809 $LINK_MAP->load;
1810 }
1811
1812 $LINK_MAP
1813}
1560 1814
1561sub cf::object::player::enter_link { 1815sub cf::object::player::enter_link {
1562 my ($self) = @_; 1816 my ($self) = @_;
1563 1817
1564 $self->deactivate_recursive; 1818 $self->deactivate_recursive;
1565 1819
1566 return if $self->map == $LINK_MAP; 1820 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1821
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1823 if $self->map;
1570 1824
1571 $self->enter_map ($LINK_MAP, 20, 20); 1825 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1572} 1826}
1573 1827
1574sub cf::object::player::leave_link { 1828sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1829 my ($self, $map, $x, $y) = @_;
1576 1830
1594 # use -1 or undef as default coordinates, not 0, 0 1848 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1849 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1850 if $x <=0 && $y <= 0;
1597 1851
1598 $map->load; 1852 $map->load;
1853 $map->load_diag;
1599 1854
1600 return unless $self->contr->active; 1855 return unless $self->contr->active;
1601 $self->activate_recursive; 1856 $self->activate_recursive;
1857
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602 $self->enter_map ($map, $x, $y); 1859 $self->enter_map ($map, $x, $y);
1603} 1860}
1604 1861
1605cf::player->attach ( 1862cf::player->attach (
1606 on_logout => sub { 1863 on_logout => sub {
1619 # try to abort aborted map switching on player login :) 1876 # try to abort aborted map switching on player login :)
1620 # should happen only on crashes 1877 # should happen only on crashes
1621 if ($pl->ob->{_link_pos}) { 1878 if ($pl->ob->{_link_pos}) {
1622 $pl->ob->enter_link; 1879 $pl->ob->enter_link;
1623 (async { 1880 (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, 1881 $pl->ob->reply (undef,
1627 "There was an internal problem at your last logout, " 1882 "There was an internal problem at your last logout, "
1628 . "the server will try to bring you to your intended destination in a second.", 1883 . "the server will try to bring you to your intended destination in a second.",
1629 cf::NDI_RED); 1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1630 Coro::Timer::sleep 1; 1887 Coro::Timer::sleep 1;
1631 $pl->ob->leave_link; 1888 $pl->ob->leave_link;
1632 })->prio (2); 1889 })->prio (2);
1633 } 1890 }
1634 }, 1891 },
1642 my ($self, $path, $x, $y) = @_; 1899 my ($self, $path, $x, $y) = @_;
1643 1900
1644 $self->enter_link; 1901 $self->enter_link;
1645 1902
1646 (async { 1903 (async {
1647 $path = new cf::path $path; 1904 my $map = eval {
1648
1649 my $map = cf::map::find $path->as_string; 1905 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1906 $map = $map->customise_for ($self) if $map;
1651 1907 $map
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1908 } or
1653# if $map;
1654
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1910
1657 $self->leave_link ($map, $x, $y); 1911 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1912 })->prio (1);
1659} 1913}
1660 1914
1664 1918
1665sub parse_random_map_params { 1919sub parse_random_map_params {
1666 my ($spec) = @_; 1920 my ($spec) = @_;
1667 1921
1668 my $rmp = { # defaults 1922 my $rmp = { # defaults
1669 xsize => 10, 1923 xsize => (cf::rndm 15, 40),
1670 ysize => 10, 1924 ysize => (cf::rndm 15, 40),
1925 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1926 #layout => string,
1671 }; 1927 };
1672 1928
1673 for (split /\n/, $spec) { 1929 for (split /\n/, $spec) {
1674 my ($k, $v) = split /\s+/, $_, 2; 1930 my ($k, $v) = split /\s+/, $_, 2;
1675 1931
1679 $rmp 1935 $rmp
1680} 1936}
1681 1937
1682sub prepare_random_map { 1938sub prepare_random_map {
1683 my ($exit) = @_; 1939 my ($exit) = @_;
1940
1941 my $guard = cf::lock_acquire "exit_prepare:$exit";
1684 1942
1685 # all this does is basically replace the /! path by 1943 # all this does is basically replace the /! path by
1686 # a new random map path (?random/...) with a seed 1944 # a new random map path (?random/...) with a seed
1687 # that depends on the exit object 1945 # that depends on the exit object
1688 1946
1689 my $rmp = parse_random_map_params $exit->msg; 1947 my $rmp = parse_random_map_params $exit->msg;
1690 1948
1691 if ($exit->map) { 1949 if ($exit->map) {
1692 $rmp->{region} = $exit->map->region_name; 1950 $rmp->{region} = $exit->region->name;
1693 $rmp->{origin_map} = $exit->map->path; 1951 $rmp->{origin_map} = $exit->map->path;
1694 $rmp->{origin_x} = $exit->x; 1952 $rmp->{origin_x} = $exit->x;
1695 $rmp->{origin_y} = $exit->y; 1953 $rmp->{origin_y} = $exit->y;
1696 } 1954 }
1697 1955
1698 $rmp->{random_seed} ||= $exit->random_seed; 1956 $rmp->{random_seed} ||= $exit->random_seed;
1699 1957
1700 my $data = cf::to_json $rmp; 1958 my $data = cf::to_json $rmp;
1701 my $md5 = Digest::MD5::md5_hex $data; 1959 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702 1961
1703 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704 aio_write $fh, 0, (length $data), $data, 0; 1963 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh;
1965 aio_rename "$meta~", $meta;
1705 1966
1706 $exit->slaying ("?random/$md5"); 1967 $exit->slaying ("?random/$md5");
1707 $exit->msg (undef); 1968 $exit->msg (undef);
1708 } 1969 }
1709} 1970}
1710 1971
1711sub cf::object::player::enter_exit { 1972sub cf::object::player::enter_exit {
1712 my ($self, $exit) = @_; 1973 my ($self, $exit) = @_;
1713 1974
1714 return unless $self->type == cf::PLAYER; 1975 return unless $self->type == cf::PLAYER;
1976
1977 if ($exit->slaying eq "/!") {
1978 #TODO: this should de-fi-ni-te-ly not be a sync-job
1979 # the problem is that $exit might not survive long enough
1980 # so it needs to be done right now, right here
1981 cf::sync_job { prepare_random_map $exit };
1982 }
1983
1984 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp;
1715 1987
1716 $self->enter_link; 1988 $self->enter_link;
1717 1989
1718 (async { 1990 (async {
1719 $self->deactivate_recursive; # just to be sure 1991 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1992 unless (eval {
1721 prepare_random_map $exit 1993 $self->goto ($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 1994
1727 1; 1995 1;
1728 }) { 1996 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1997 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1998 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1999 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 2000 cf::NDI_UNIQUE | cf::NDI_RED);
1733 2001
1734 warn "ERROR in enter_exit: $@"; 2002 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 2003 $self->leave_link;
1736 } 2004 }
1737 })->prio (1); 2005 })->prio (1);
1750 2018
1751sub cf::client::send_drawinfo { 2019sub cf::client::send_drawinfo {
1752 my ($self, $text, $flags) = @_; 2020 my ($self, $text, $flags) = @_;
1753 2021
1754 utf8::encode $text; 2022 utf8::encode $text;
1755 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756} 2024}
1757 2025
2026=item $client->ext_event ($type, %msg)
2027
2028Sends an exti event to the client.
2029
2030=cut
2031
2032sub cf::client::ext_event($$%) {
2033 my ($self, $type, %msg) = @_;
2034
2035 $msg{msgtype} = "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg);
2037}
1758 2038
1759=item $success = $client->query ($flags, "text", \&cb) 2039=item $success = $client->query ($flags, "text", \&cb)
1760 2040
1761Queues a query to the client, calling the given callback with 2041Queues a query to the client, calling the given callback with
1762the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2042the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1791 # get handled first 2071 # get handled first
1792 my $queue = delete $ns->{query_queue} 2072 my $queue = delete $ns->{query_queue}
1793 or return; # be conservative, not sure how that can happen, but we saw a crash here 2073 or return; # be conservative, not sure how that can happen, but we saw a crash here
1794 2074
1795 (shift @$queue)->[1]->($msg); 2075 (shift @$queue)->[1]->($msg);
2076 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796 2077
1797 push @{ $ns->{query_queue} }, @$queue; 2078 push @{ $ns->{query_queue} }, @$queue;
1798 2079
1799 if (@{ $ns->{query_queue} } == @$queue) { 2080 if (@{ $ns->{query_queue} } == @$queue) {
1800 if (@$queue) { 2081 if (@$queue) {
1858 2139
1859# here we export the classes and methods available to script code 2140# here we export the classes and methods available to script code
1860 2141
1861=pod 2142=pod
1862 2143
1863The following fucntions and emthods are available within a safe environment: 2144The following functions and methods are available within a safe environment:
1864 2145
1865 cf::object contr pay_amount pay_player map 2146 cf::object contr pay_amount pay_player map
1866 cf::object::player player 2147 cf::object::player player
1867 cf::player peaceful 2148 cf::player peaceful
1868 cf::map trigger 2149 cf::map trigger
1961The parameter C<$family> should best start with the name of the extension 2242The parameter C<$family> should best start with the name of the extension
1962using it, it should be unique. 2243using it, it should be unique.
1963 2244
1964=over 4 2245=over 4
1965 2246
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 2247=item $value = cf::db_get $family => $key
1973 2248
1974Returns a single value from the database 2249Returns 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 2250
1981=item cf::db_put $family => $key => $value 2251=item cf::db_put $family => $key => $value
1982 2252
1983Stores the given C<$value> in the family hash. Updates are delayed, if you 2253Stores 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 2254
1994=cut 2255=cut
1995 2256
1996our $DB; 2257our $DB;
1997 2258
1998{ 2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
1999 my $path = cf::localdir . "/database.pst"; 2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2000 2278
2001 sub db_load() { 2279 cf::db_put (board => data => $pst->{board});
2002 $DB = stat $path ? Storable::retrieve $path : { }; 2280 cf::db_put (guildrules => data => $pst->{guildrules});
2003 } 2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2004 2283
2005 my $pid; 2284 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 } 2285 };
2015 }
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 });
2027
2028 sub db_dirty() {
2029 $dirty = 1;
2030 $idle->start;
2031 }
2032
2033 sub db_get($;$) {
2034 @_ >= 2
2035 ? $DB->{$_[0]}{$_[1]}
2036 : ($DB->{$_[0]} ||= { })
2037 }
2038
2039 sub db_put($$;$) {
2040 if (@_ >= 3) {
2041 $DB->{$_[0]}{$_[1]} = $_[2];
2042 } else {
2043 $DB->{$_[0]} = $_[1];
2044 }
2045 db_dirty;
2046 }
2047
2048 cf::global->attach (
2049 prio => 10000,
2050 on_cleanup => sub {
2051 db_sync;
2052 }, 2286 }
2053 ); 2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2054} 2304}
2055 2305
2056############################################################################# 2306#############################################################################
2057# the server's main() 2307# the server's init and main functions
2308
2309sub load_facedata {
2310 my $path = sprintf "%s/facedata", cf::datadir;
2311
2312 warn "loading facedata from $path\n";
2313
2314 my $facedata;
2315 0 < aio_load $path, $facedata
2316 or die "$path: $!";
2317
2318 $facedata = Coro::Storable::thaw $facedata;
2319
2320 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322
2323 {
2324 my $faces = $facedata->{faceinfo};
2325
2326 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331 Coro::cede;
2332 }
2333
2334 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth};
2336 my $idx = cf::face::find $face
2337 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) {
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2340 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 }
2343 Coro::cede;
2344 }
2345 }
2346
2347 {
2348 my $anims = $facedata->{animinfo};
2349
2350 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede;
2353 }
2354
2355 cf::anim::invalidate_all; # d'oh
2356 }
2357
2358 1
2359}
2360
2361sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2363 or die "unable to load regions file\n";#d#
2364 load_facedata
2365 or die "unable to load facedata\n";#d#
2366}
2367
2368sub init {
2369 reload_resources;
2370}
2058 2371
2059sub cfg_load { 2372sub cfg_load {
2060 open my $fh, "<:utf8", cf::confdir . "/config" 2373 open my $fh, "<:utf8", cf::confdir . "/config"
2061 or return; 2374 or return;
2062 2375
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2381 $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}; 2382 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2383
2071 if (exists $CFG{mlockall}) { 2384 if (exists $CFG{mlockall}) {
2072 eval { 2385 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2386 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2387 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2388 };
2076 warn $@ if $@; 2389 warn $@ if $@;
2077 } 2390 }
2078} 2391}
2079 2392
2080sub main { 2393sub main {
2081 # we must not ever block the main coroutine 2394 # we must not ever block the main coroutine
2082 local $Coro::idle = sub { 2395 local $Coro::idle = sub {
2083 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2396 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397 (async {
2084 async { Event::one_event }; 2398 Event::one_event;
2399 })->prio (Coro::PRIO_MAX);
2085 }; 2400 };
2086 2401
2087 cfg_load; 2402 cfg_load;
2088 db_load; 2403 db_init;
2089 load_extensions; 2404 load_extensions;
2405
2406 $TICK_WATCHER->start;
2090 Event::loop; 2407 Event::loop;
2091} 2408}
2092 2409
2093############################################################################# 2410#############################################################################
2094# initialisation 2411# initialisation and cleanup
2412
2413# install some emergency cleanup handlers
2414BEGIN {
2415 for my $signal (qw(INT HUP TERM)) {
2416 Event->signal (
2417 reentrant => 0,
2418 data => WF_AUTOCANCEL,
2419 signal => $signal,
2420 prio => 0,
2421 cb => sub {
2422 cf::cleanup "SIG$signal";
2423 },
2424 );
2425 }
2426}
2427
2428sub emergency_save() {
2429 my $freeze_guard = cf::freeze_mainloop;
2430
2431 warn "enter emergency perl save\n";
2432
2433 cf::sync_job {
2434 # use a peculiar iteration method to avoid tripping on perl
2435 # refcount bugs in for. also avoids problems with players
2436 # and maps saved/destroyed asynchronously.
2437 warn "begin emergency player save\n";
2438 for my $login (keys %cf::PLAYER) {
2439 my $pl = $cf::PLAYER{$login} or next;
2440 $pl->valid or next;
2441 $pl->save;
2442 }
2443 warn "end emergency player save\n";
2444
2445 warn "begin emergency map save\n";
2446 for my $path (keys %cf::MAP) {
2447 my $map = $cf::MAP{$path} or next;
2448 $map->valid or next;
2449 $map->save;
2450 }
2451 warn "end emergency map save\n";
2452
2453 warn "begin emergency database checkpoint\n";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455 warn "end emergency database checkpoint\n";
2456 };
2457
2458 warn "leave emergency perl save\n";
2459}
2460
2461sub post_cleanup {
2462 my ($make_core) = @_;
2463
2464 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core;
2466}
2095 2467
2096sub reload() { 2468sub reload() {
2097 # can/must only be called in main 2469 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2470 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2471 warn "can only reload from main coroutine";
2100 return; 2472 return;
2101 } 2473 }
2102 2474
2103 warn "reloading..."; 2475 warn "reloading...";
2104 2476
2105 my $guard = freeze_mainloop; 2477 warn "entering sync_job";
2478
2479 cf::sync_job {
2480 cf::write_runtime; # external watchdog should not bark
2106 cf::emergency_save; 2481 cf::emergency_save;
2482 cf::write_runtime; # external watchdog should not bark
2107 2483
2108 eval { 2484 warn "syncing database to disk";
2485 BDB::db_env_txn_checkpoint $DB_ENV;
2486
2109 # if anything goes wrong in here, we should simply crash as we already saved 2487 # if anything goes wrong in here, we should simply crash as we already saved
2110 2488
2111 # cancel all watchers 2489 warn "cancelling all WF_AUTOCANCEL watchers";
2112 for (Event::all_watchers) { 2490 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2491 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2492 }
2115 2493
2494 warn "flushing outstanding aio requests";
2495 for (;;) {
2496 BDB::flush;
2497 IO::AIO::flush;
2498 Coro::cede;
2499 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate...";
2501 }
2502
2503 ++$RELOAD;
2504
2116 # cancel all extension coros 2505 warn "cancelling all extension coros";
2117 $_->cancel for values %EXT_CORO; 2506 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2507 %EXT_CORO = ();
2119 2508
2120 # unload all extensions 2509 warn "removing commands";
2121 for (@exts) { 2510 %COMMAND = ();
2511
2512 warn "removing ext commands";
2513 %EXTCMD = ();
2514
2515 warn "unloading/nuking all extensions";
2516 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2517 warn "... unloading $pkg";
2123 unload_extension $_; 2518
2519 if (my $cb = $pkg->can ("unload")) {
2520 eval {
2521 $cb->($pkg);
2522 1
2523 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2524 }
2125 2525
2526 warn "... nuking $pkg";
2527 Symbol::delete_package $pkg;
2528 }
2529
2126 # unload all modules loaded from $LIBDIR 2530 warn "unloading all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2531 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2532 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2533
2130 warn "removing <$k>"; 2534 warn "... unloading $k";
2131 delete $INC{$k}; 2535 delete $INC{$k};
2132 2536
2133 $k =~ s/\.pm$//; 2537 $k =~ s/\.pm$//;
2134 $k =~ s/\//::/g; 2538 $k =~ s/\//::/g;
2135 2539
2138 } 2542 }
2139 2543
2140 Symbol::delete_package $k; 2544 Symbol::delete_package $k;
2141 } 2545 }
2142 2546
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2547 warn "getting rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2548 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2550
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2551 warn "unloading cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2552 delete $INC{"cf.pm"};
2156 2553
2157 # don't, removes xs symbols, too, 2554 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2555 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2556 #Symbol::delete_package __PACKAGE__;
2160 2557
2161 # reload cf.pm 2558 warn "unload completed, starting to reload now";
2559
2162 warn "reloading cf.pm"; 2560 warn "reloading cf.pm";
2163 require cf; 2561 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2563
2166 # load config and database again 2564 warn "loading config and database again";
2167 cf::cfg_load; 2565 cf::cfg_load;
2168 cf::db_load;
2169 2566
2170 # load extensions
2171 warn "load extensions"; 2567 warn "loading extensions";
2172 cf::load_extensions; 2568 cf::load_extensions;
2173 2569
2174 # reattach attachments to objects 2570 warn "reattaching attachments to objects/players";
2175 warn "reattach"; 2571 _global_reattach; # objects, sockets
2176 _global_reattach; 2572 warn "reattaching attachments to maps";
2177 reattach $_ for values %MAP; 2573 reattach $_ for values %MAP;
2178 }; 2574 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER;
2179 2576
2180 if ($@) { 2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job";
2581
2582 1
2583 } or do {
2181 warn $@; 2584 warn $@;
2182 warn "error while reloading, exiting."; 2585 warn "error while reloading, exiting.";
2183 exit 1; 2586 exit 1;
2184 } 2587 };
2185 2588
2186 warn "reloaded successfully"; 2589 warn "reloaded";
2187}; 2590};
2188 2591
2189############################################################################# 2592our $RELOAD_WATCHER; # used only during reload
2190
2191unless ($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} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2593
2234register_command "reload" => sub { 2594register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2595 my ($who, $arg) = @_;
2236 2596
2237 if ($who->flag (FLAG_WIZ)) { 2597 if ($who->flag (FLAG_WIZ)) {
2238 $who->message ("start of reload."); 2598 $who->message ("reloading server.");
2599
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2239 reload; 2608 reload;
2240 $who->message ("end of reload."); 2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2241 } 2612 }
2242}; 2613};
2243 2614
2244unshift @INC, $LIBDIR; 2615unshift @INC, $LIBDIR;
2616
2617my $bug_warning = 0;
2245 2618
2246$TICK_WATCHER = Event->timer ( 2619$TICK_WATCHER = Event->timer (
2247 reentrant => 0, 2620 reentrant => 0,
2621 parked => 1,
2248 prio => 0, 2622 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2623 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2624 data => WF_AUTOCANCEL,
2251 cb => sub { 2625 cb => sub {
2626 if ($Coro::current != $Coro::main) {
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10;
2629 return;
2630 }
2631
2632 $NOW = Event::time;
2633
2252 cf::server_tick; # one server iteration 2634 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2635 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2636 $NEXT_TICK += $TICK;
2637
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool {
2641 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!";
2643 };
2644 }
2645
2646 $WAIT_FOR_TICK->broadcast;
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d#
2255 2651
2256 # if we are delayed by four ticks or more, skip them all 2652 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2654
2259 $TICK_WATCHER->at ($NEXT_TICK); 2655 $TICK_WATCHER->at ($NEXT_TICK);
2260 $TICK_WATCHER->start; 2656 $TICK_WATCHER->start;
2261 }, 2657 },
2262); 2658);
2263 2659
2660{
2264IO::AIO::max_poll_time $TICK * 0.2; 2661 BDB::max_poll_time $TICK * 0.1;
2265 2662 $BDB_POLL_WATCHER = Event->io (
2266Event->io ( 2663 reentrant => 0,
2267 fd => IO::AIO::poll_fileno, 2664 fd => BDB::poll_fileno,
2268 poll => 'r', 2665 poll => 'r',
2269 prio => 5, 2666 prio => 0,
2270 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb,
2272);
2273
2274Event->timer (
2275 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2276 after => 0, 2668 cb => \&BDB::poll_cb,
2277 interval => 10, 2669 );
2278 cb => sub { 2670 BDB::min_parallel 8;
2279 (Coro::unblock_sub { 2671
2280 write_runtime 2672 BDB::set_sync_prepare {
2281 or warn "ERROR: unable to write runtime file: $!"; 2673 my $status;
2674 my $current = $Coro::current;
2675 (
2676 sub {
2677 $status = $!;
2678 $current->ready; undef $current;
2679 },
2680 sub {
2681 Coro::schedule while defined $current;
2682 $! = $status;
2683 },
2684 )
2685 };
2686
2687 unless ($DB_ENV) {
2688 $DB_ENV = BDB::db_env_create;
2689
2690 cf::sync_job {
2691 eval {
2692 BDB::db_env_open
2693 $DB_ENV,
2694 $BDB_ENV_DIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666;
2698
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 };
2704
2705 cf::cleanup "db_env_open(db): $@" if $@;
2282 })->(); 2706 };
2283 }, 2707 }
2284); 2708}
2709
2710{
2711 IO::AIO::min_parallel 8;
2712
2713 undef $Coro::AIO::WATCHER;
2714 IO::AIO::max_poll_time $TICK * 0.1;
2715 $AIO_POLL_WATCHER = Event->io (
2716 reentrant => 0,
2717 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno,
2719 poll => 'r',
2720 prio => 6,
2721 cb => \&IO::AIO::poll_cb,
2722 );
2723}
2285 2724
2286END { cf::emergency_save } 2725END { cf::emergency_save }
2287 2726
22881 27271
2289 2728

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