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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.239 by root, Mon Apr 16 06:23:42 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
81# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 83
58binmode STDOUT; 84binmode STDOUT;
59binmode STDERR; 85binmode STDERR;
60 86
61# read virtual server time, if available 87# read virtual server time, if available
68mkdir cf::localdir; 94mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
73 100
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
77 104
78############################################################################# 105#############################################################################
79 106
80=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
81 108
105 132
106=item %cf::CFG 133=item %cf::CFG
107 134
108Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
109from 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.
110 143
111=back 144=back
112 145
113=cut 146=cut
114 147
118 utf8::encode $msg; 151 utf8::encode $msg;
119 152
120 $msg .= "\n" 153 $msg .= "\n"
121 unless $msg =~ /\n$/; 154 unless $msg =~ /\n$/;
122 155
123 LOG llevError, "cfperl: $msg"; 156 LOG llevError, $msg;
124 }; 157 };
125} 158}
126 159
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 179
147$Event::DIED = sub { 180$Event::DIED = sub {
148 warn "error in event callback: @_"; 181 warn "error in event callback: @_";
149}; 182};
150 183
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 184=head2 UTILITY FUNCTIONS
156 185
157=over 4 186=over 4
158 187
159=cut 188=item dumpval $ref
160 189
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
161use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 212
163=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
164 214
165Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
166 216
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
175 218
176Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
177
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184 220
185=item cf::lock_wait $string 221=item cf::lock_wait $string
186 222
187Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
188 224
225} 261}
226 262
227sub freeze_mainloop { 263sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
229 265
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
231 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
232 $guard 270 $guard
233} 271}
234 272
235=item cf::async { BLOCK } 273=item cf::async { BLOCK }
287 } 325 }
288} 326}
289 327
290=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
291 329
292Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 331extension calling this is being unloaded.
294 332
295=cut 333=cut
296 334
297sub async_ext(&) { 335sub async_ext(&) {
306 344
307 $coro 345 $coro
308} 346}
309 347
310sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
311 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
312 352
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 354 or return;
315 355
356 my $value = $cf::RUNTIME + 90 + 10;
316 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
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 361 and return;
319 362
363 # always fsync - this file is important
320 aio_fsync $fh 364 aio_fsync $fh
321 and return; 365 and return;
322 366
323 close $fh 367 close $fh
324 or return; 368 or return;
327 and return; 371 and return;
328 372
329 1 373 1
330} 374}
331 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
332=back 387=back
333 388
334=cut 389=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
455 390
456############################################################################# 391#############################################################################
457 392
458=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
459 394
585our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 521our @CB_MAP = ();
587 522
588my %attachment; 523my %attachment;
589 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
590sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
592 533
593 use sort 'stable'; 534 use sort 'stable';
594 535
765# object support 706# object support
766 707
767sub reattach { 708sub reattach {
768 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 713
771 my $registry = $obj->registry; 714 my $registry = $obj->registry;
772 715
773 @$registry = (); 716 @$registry = ();
774 717
821 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
822 765
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 770 close $fh;
828 771
829 if (@$objs) { 772 if (@$objs) {
830 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) {
831 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 778 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
837 } 780 }
838 } else { 781 } else {
839 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
906=cut 849=cut
907 850
908sub register_extcmd { 851sub register_extcmd {
909 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
910 853
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
915} 855}
916 856
917cf::player->attach ( 857cf::player->attach (
918 on_command => sub { 858 on_command => sub {
919 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
932 872
933 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
934 874
935 if (ref $msg) { 875 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 879 }
940 } 880 }
941 } else { 881 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 884
945 cf::override; 885 cf::override;
946 }, 886 },
947); 887);
948 888
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 889sub load_extension {
956 my ($path) = @_; 890 my ($path) = @_;
957 891
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 893 my $base = $1;
960 my $pkg = $1; 894 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
963 897
964 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
965 899
966 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 901 or die "$path: $!";
968 902
969 my $source = 903 my $source =
970 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
973 . "\n};\n1"; 907 . "\n};\n1";
974 908
975 eval $source 909 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 911 : "extension disabled.\n";
978 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 913 warn $@;
980 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
981 915 exit 1;
982# no strict 'refs'; 916 }
983# @{"$pkg\::ISA"} = ext::; 917 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# } 918 }
998 919
999 # remove commands 920 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} 921}
1024 922
1025sub load_extensions { 923sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 925 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1032 } 930 }
1033} 931}
1034 932
1035############################################################################# 933#############################################################################
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 934
1073=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1074 936
1075Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1076 938
1077=cut 939=cut
1078 940
1079package cf::player; 941package cf::player;
1080 942
943use Coro::AIO;
944
1081=head3 cf::player 945=head3 cf::player
1082 946
1083=over 4 947=over 4
1084 948
1085=item cf::player::find $login 949=item cf::player::find $login
1086 950
1087Returns the given player object, loading it if necessary (might block). 951Returns the given player object, loading it if necessary (might block).
1088 952
1089=cut 953=cut
1090 954
955sub playerdir($) {
956 cf::localdir
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961}
962
1091sub path($) { 963sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 965
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 966 (playerdir $login) . "/playerdata"
1095} 967}
1096 968
1097sub find_active($) { 969sub find_active($) {
1098 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
1102 974
1103sub exists($) { 975sub exists($) {
1104 my ($login) = @_; 976 my ($login) = @_;
1105 977
1106 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1108} 980}
1109 981
1110sub find($) { 982sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 984 my $login = $_[0];
1113 985
1114 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1115 987
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 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 }
1117 }; 1000 }
1118} 1001}
1119 1002
1120sub save($) { 1003sub save($) {
1121 my ($pl) = @_; 1004 my ($pl) = @_;
1122 1005
1124 1007
1125 my $path = path $pl; 1008 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 1009 my $guard = cf::lock_acquire "user_save:$path";
1127 1010
1128 return if $pl->{deny_save}; 1011 return if $pl->{deny_save};
1012
1013 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1014 $pl->{last_save} = $cf::RUNTIME;
1130 1015
1131 Coro::cede;
1132 $pl->save_pl ($path); 1016 $pl->save_pl ($path);
1133 Coro::cede; 1017 Coro::cede;
1134} 1018}
1135 1019
1136sub new($) { 1020sub new($) {
1144 $cf::PLAYER{$login} = $self; 1028 $cf::PLAYER{$login} = $self;
1145 1029
1146 $self 1030 $self
1147} 1031}
1148 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
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1150 1135
1151Sends an ext reply to the player. 1136Sends an ext reply to the player.
1152 1137
1153=cut 1138=cut
1154 1139
1155sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1156 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1157 1142
1158 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1159 1144
1160 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1161} 1146}
1162 1147
1163package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
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
1187}
1164 1188
1165=back 1189=back
1166
1167 1190
1168=head3 cf::map 1191=head3 cf::map
1169 1192
1170=over 4 1193=over 4
1171 1194
1174package cf::map; 1197package cf::map;
1175 1198
1176use Fcntl; 1199use Fcntl;
1177use Coro::AIO; 1200use Coro::AIO;
1178 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1179our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1181 1208
1182sub generate_random_map { 1209sub generate_random_map {
1183 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1212 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $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},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (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
1199} 1354}
1200 1355
1201# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1202# all maps in C++... 1357# all maps in C++...
1203sub change_all_map_light { 1358sub change_all_map_light {
1205 1360
1206 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1208} 1363}
1209 1364
1365sub unlink_save {
1366 my ($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
1210sub try_load_header($) { 1373sub load_header_from($) {
1211 my ($path) = @_; 1374 my ($self, $path) = @_;
1212 1375
1213 utf8::encode $path; 1376 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1215 or return; 1381 or return;
1216 1382
1217 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
1218 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1219 1429
1220 # for better error messages only, will be overwritten 1430 $self->default_region (cf::region::find_by_path $self->{path})
1221 $map->path ($path); 1431 unless $self->default_region;
1222 1432
1223 $map->load_header ($path) 1433 1
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1434}
1230 1435
1231sub find; 1436sub find;
1232sub find { 1437sub find {
1233 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1234 1439
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1441
1240 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1241 1443
1242 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1244 1446 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; 1447 or return;
1264 1448
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; 1449 $map->{last_save} = $cf::RUNTIME;
1277 1450
1278 Coro::cede; 1451 $map->load_header
1452 or return;
1279 1453
1280 if ($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;
1281 $map->reset; 1457 $map->reset;
1282 undef $guard; 1458 undef $guard;
1283 $map = find $path 1459 return find $path;
1284 or return;
1285 } 1460 }
1286 1461
1287 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1288 } 1463 }
1289} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1290 1468
1291sub load { 1469sub load {
1292 my ($self) = @_; 1470 my ($self) = @_;
1293 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1294 my $path = $self->{path}; 1474 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1296 1476
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1478
1299 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1300 1480
1301 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1302 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1487 or return;
1304 1488
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1307 1491
1308 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1493 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1495 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1313 } 1497 }
1314 } 1498 }
1315 1499
1316 Coro::cede; 1500 Coro::cede;
1317
1318 # now do the right thing for maps 1501 # now do the right thing for maps
1319 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1320 1504
1321 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1506 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1328 $self->set_darkness_map; 1510 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1331 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1332 } 1516 }
1333 1517
1518 $self->post_load;
1334 Coro::cede; 1519 Coro::cede;
1335 1520
1336 $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 $neigh->load;
1554 }
1337} 1555}
1338 1556
1339sub find_sync { 1557sub find_sync {
1340 my ($path, $origin) = @_; 1558 my ($path, $origin) = @_;
1341 1559
1342 cf::sync_job { cf::map::find $path, $origin } 1560 cf::sync_job { find $path, $origin }
1343} 1561}
1344 1562
1345sub do_load_sync { 1563sub do_load_sync {
1346 my ($map) = @_; 1564 my ($map) = @_;
1347 1565
1348 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1349} 1567}
1350 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 $MAP_PREFETCHER->prio (6);
1595
1596 ()
1597}
1598
1351sub save { 1599sub save {
1352 my ($self) = @_; 1600 my ($self) = @_;
1353 1601
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1602 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1603
1356 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1357 1605
1358 return unless $self->dirty; 1606 return unless $self->dirty;
1359 1607
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1610
1363 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1364 1612
1365 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1366 1614
1369 cf::async { 1617 cf::async {
1370 $_->contr->save for $self->players; 1618 $_->contr->save for $self->players;
1371 }; 1619 };
1372 1620
1373 if ($uniq) { 1621 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1624 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1626 }
1379} 1627}
1380 1628
1381sub swap_out { 1629sub swap_out {
1382 my ($self) = @_; 1630 my ($self) = @_;
1396 1644
1397sub reset_at { 1645sub reset_at {
1398 my ($self) = @_; 1646 my ($self) = @_;
1399 1647
1400 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1403 1651
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1654
1411 my ($self) = @_; 1659 my ($self) = @_;
1412 1660
1413 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1414} 1662}
1415 1663
1416sub unlink_save {
1417 my ($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 $self->save;
1435}
1436
1437sub reset { 1664sub reset {
1438 my ($self) = @_; 1665 my ($self) = @_;
1439 1666
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1668
1442 return if $self->players; 1669 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1444 1671
1445 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1446 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
1447 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1448 1687
1449 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1450 1689
1451 $self->unlink_save; 1690 $self->unlink_save;
1452 $self->destroy; 1691 $self->destroy;
1455my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1456 1695
1457sub nuke { 1696sub nuke {
1458 my ($self) = @_; 1697 my ($self) = @_;
1459 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1463 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1464} 1712}
1465 1713
1466sub customise_for { 1714=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1715
1469 if ($map->per_player) { 1716Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1717instantiated unique items. May block.
1471 }
1472 1718
1473 $map 1719=cut
1474}
1475 1720
1476sub emergency_save { 1721sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1723 or return;
1478 1724
1479 warn "enter emergency map save\n"; 1725 my @paths;
1480 1726
1481 cf::sync_job { 1727 for (@$files) {
1482 warn "begin emergency map save\n"; 1728 utf8::decode $_;
1483 $_->save for values %cf::MAP; 1729 next if /\.pst$/;
1730 next unless /^$PATH_SEP/o;
1731
1732 push @paths, cf::map::normalise $_;
1484 }; 1733 }
1485 1734
1486 warn "end emergency map save\n"; 1735 \@paths
1487} 1736}
1488 1737
1489package cf; 1738package cf;
1490 1739
1491=back 1740=back
1492 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
1493 1768
1494=head3 cf::object::player 1769=head3 cf::object::player
1495 1770
1496=over 4 1771=over 4
1497 1772
1537 1812
1538=item $player_object->enter_link 1813=item $player_object->enter_link
1539 1814
1540Freezes 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}>).
1541 1816
1542The 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
1543I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1544 1819
1820Will never block.
1821
1545=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1546 1823
1547Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1548map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1549location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1550to the emergency map position. 1827fails, to the emergency map position.
1551 1828
1552Might block. 1829Might block.
1553 1830
1554=cut 1831=cut
1832
1833sub link_map {
1834 unless ($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 $LINK_MAP
1841}
1555 1842
1556sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1557 my ($self) = @_; 1844 my ($self) = @_;
1558 1845
1559 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1560 1847
1561 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1562 1849
1563 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564 if $self->map; 1851 if $self->map;
1565 1852
1566 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1567} 1854}
1568 1855
1569sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1570 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1571 1858
1589 # use -1 or undef as default coordinates, not 0, 0 1876 # use -1 or undef as default coordinates, not 0, 0
1590 ($x, $y) = ($map->enter_x, $map->enter_y) 1877 ($x, $y) = ($map->enter_x, $map->enter_y)
1591 if $x <=0 && $y <= 0; 1878 if $x <=0 && $y <= 0;
1592 1879
1593 $map->load; 1880 $map->load;
1881 $map->load_diag;
1594 1882
1595 return unless $self->contr->active; 1883 return unless $self->contr->active;
1596 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1597 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1598} 1888}
1599 1889
1600cf::player->attach ( 1890cf::player->attach (
1601 on_logout => sub { 1891 on_logout => sub {
1614 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1615 # should happen only on crashes 1905 # should happen only on crashes
1616 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1617 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1618 (async { 1908 (async {
1619 # we need this sleep as the login has a concurrent enter_exit running
1620 # and this sleep increases chances of the player not ending up in scorn
1621 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1622 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1623 . "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.",
1624 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
1625 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1626 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1627 })->prio (2); 1917 })->prio (2);
1628 } 1918 }
1629 }, 1919 },
1637 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1638 1928
1639 $self->enter_link; 1929 $self->enter_link;
1640 1930
1641 (async { 1931 (async {
1642 $path = new cf::path $path; 1932 my $map = eval {
1643
1644 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1645 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1646 1935 $map
1647# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1648# if $map;
1649
1650 $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);
1651 1938
1652 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1653 })->prio (1); 1940 })->prio (1);
1654} 1941}
1655 1942
1659 1946
1660sub parse_random_map_params { 1947sub parse_random_map_params {
1661 my ($spec) = @_; 1948 my ($spec) = @_;
1662 1949
1663 my $rmp = { # defaults 1950 my $rmp = { # defaults
1664 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1665 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1666 }; 1955 };
1667 1956
1668 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1669 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1670 1959
1674 $rmp 1963 $rmp
1675} 1964}
1676 1965
1677sub prepare_random_map { 1966sub prepare_random_map {
1678 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1679 1970
1680 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1681 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1682 # that depends on the exit object 1973 # that depends on the exit object
1683 1974
1684 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1685 1976
1686 if ($exit->map) { 1977 if ($exit->map) {
1687 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1688 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1689 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1690 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1691 } 1982 }
1692 1983
1693 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1694 1985
1695 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1696 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1697 1989
1698 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) {
1699 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;
1700 1994
1701 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1702 $exit->msg (undef); 1996 $exit->msg (undef);
1703 } 1997 }
1704} 1998}
1705 1999
1706sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1707 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1708 2002
1709 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;
1710 2015
1711 $self->enter_link; 2016 $self->enter_link;
1712 2017
1713 (async { 2018 (async {
1714 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1715 unless (eval { 2020 unless (eval {
1716 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1717 if $exit->slaying eq "/!";
1718
1719 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721 2022
1722 1; 2023 1;
1723 }) { 2024 }) {
1724 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1725 . "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. "
1726 . "Please report this to the dungeon master", 2027 . "Please report this to the dungeon master!",
1727 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1728 2029
1729 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1730 $self->leave_link; 2031 $self->leave_link;
1731 } 2032 }
1732 })->prio (1); 2033 })->prio (1);
1745 2046
1746sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1747 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1748 2049
1749 utf8::encode $text; 2050 utf8::encode $text;
1750 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751} 2052}
1752 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}
1753 2066
1754=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1755 2068
1756Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1757the 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>,
1786 # get handled first 2099 # get handled first
1787 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1788 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
1789 2102
1790 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791 2105
1792 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1793 2107
1794 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1795 if (@$queue) { 2109 if (@$queue) {
1853 2167
1854# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
1855 2169
1856=pod 2170=pod
1857 2171
1858The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
1859 2173
1860 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
1861 cf::object::player player 2175 cf::object::player player
1862 cf::player peaceful 2176 cf::player peaceful
1863 cf::map trigger 2177 cf::map trigger
1956The 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
1957using it, it should be unique. 2271using it, it should be unique.
1958 2272
1959=over 4 2273=over 4
1960 2274
1961=item $hashref = cf::db_get $family
1962
1963Return a hashref for use by the extension C<$family>, which can be
1964modified. After modifications, you have to call C<cf::db_dirty> or
1965C<cf::db_sync>.
1966
1967=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
1968 2276
1969Returns a single value from the database 2277Returns a single value from the database.
1970
1971=item cf::db_put $family => $hashref
1972
1973Stores the given family hashref into the database. Updates are delayed, if
1974you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975 2278
1976=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
1977 2280
1978Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
1979want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981=item cf::db_dirty
1982
1983Marks the database as dirty, to be updated at a later time.
1984
1985=item cf::db_sync
1986
1987Immediately write the database to disk I<if it is dirty>.
1988 2282
1989=cut 2283=cut
1990 2284
1991our $DB; 2285our $DB;
1992 2286
1993{ 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
1994 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;
1995 2306
1996 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
1997 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
1998 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
1999 2311
2000 my $pid; 2312 unlink $path;
2001
2002 sub db_save() {
2003 waitpid $pid, 0 if $pid;
2004 if (0 == ($pid = fork)) {
2005 $DB->{_meta}{version} = 1;
2006 Storable::nstore $DB, "$path~";
2007 rename "$path~", $path;
2008 cf::_exit 0 if defined $pid;
2009 } 2313 };
2010 }
2011
2012 my $dirty;
2013
2014 sub db_sync() {
2015 db_save if $dirty;
2016 undef $dirty;
2017 }
2018
2019 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020 db_sync;
2021 });
2022
2023 sub db_dirty() {
2024 $dirty = 1;
2025 $idle->start;
2026 }
2027
2028 sub db_get($;$) {
2029 @_ >= 2
2030 ? $DB->{$_[0]}{$_[1]}
2031 : ($DB->{$_[0]} ||= { })
2032 }
2033
2034 sub db_put($$;$) {
2035 if (@_ >= 3) {
2036 $DB->{$_[0]}{$_[1]} = $_[2];
2037 } else {
2038 $DB->{$_[0]} = $_[1];
2039 }
2040 db_dirty;
2041 }
2042
2043 cf::global->attach (
2044 prio => 10000,
2045 on_cleanup => sub {
2046 db_sync;
2047 }, 2314 }
2048 ); 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 { };
2049} 2332}
2050 2333
2051############################################################################# 2334#############################################################################
2052# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata {
2338 my $path = sprintf "%s/facedata", cf::datadir;
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_resources {
2390 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2391 or die "unable to load regions file\n";#d#
2392 load_facedata
2393 or die "unable to load facedata\n";#d#
2394}
2395
2396sub init {
2397 reload_resources;
2398}
2053 2399
2054sub cfg_load { 2400sub cfg_load {
2055 open my $fh, "<:utf8", cf::confdir . "/config" 2401 open my $fh, "<:utf8", cf::confdir . "/config"
2056 or return; 2402 or return;
2057 2403
2063 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2409 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2410 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065 2411
2066 if (exists $CFG{mlockall}) { 2412 if (exists $CFG{mlockall}) {
2067 eval { 2413 eval {
2068 $CFG{mlockall} ? &mlockall : &munlockall 2414 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069 and die "WARNING: m(un)lockall failed: $!\n"; 2415 and die "WARNING: m(un)lockall failed: $!\n";
2070 }; 2416 };
2071 warn $@ if $@; 2417 warn $@ if $@;
2072 } 2418 }
2073} 2419}
2074 2420
2075sub main { 2421sub main {
2076 # we must not ever block the main coroutine 2422 # we must not ever block the main coroutine
2077 local $Coro::idle = sub { 2423 local $Coro::idle = sub {
2078 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2424 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425 (async {
2079 async { Event::one_event }; 2426 Event::one_event;
2427 })->prio (Coro::PRIO_MAX);
2080 }; 2428 };
2081 2429
2082 cfg_load; 2430 cfg_load;
2083 db_load; 2431 db_init;
2084 load_extensions; 2432 load_extensions;
2433
2434 $TICK_WATCHER->start;
2085 Event::loop; 2435 Event::loop;
2086} 2436}
2087 2437
2088############################################################################# 2438#############################################################################
2089# initialisation 2439# initialisation and cleanup
2440
2441# install some emergency cleanup handlers
2442BEGIN {
2443 for my $signal (qw(INT HUP TERM)) {
2444 Event->signal (
2445 reentrant => 0,
2446 data => WF_AUTOCANCEL,
2447 signal => $signal,
2448 prio => 0,
2449 cb => sub {
2450 cf::cleanup "SIG$signal";
2451 },
2452 );
2453 }
2454}
2455
2456sub emergency_save() {
2457 my $freeze_guard = cf::freeze_mainloop;
2458
2459 warn "enter emergency perl save\n";
2460
2461 cf::sync_job {
2462 # use a peculiar iteration method to avoid tripping on perl
2463 # refcount bugs in for. also avoids problems with players
2464 # and maps saved/destroyed asynchronously.
2465 warn "begin emergency player save\n";
2466 for my $login (keys %cf::PLAYER) {
2467 my $pl = $cf::PLAYER{$login} or next;
2468 $pl->valid or next;
2469 $pl->save;
2470 }
2471 warn "end emergency player save\n";
2472
2473 warn "begin emergency map save\n";
2474 for my $path (keys %cf::MAP) {
2475 my $map = $cf::MAP{$path} or next;
2476 $map->valid or next;
2477 $map->save;
2478 }
2479 warn "end emergency map save\n";
2480
2481 warn "begin emergency database checkpoint\n";
2482 BDB::db_env_txn_checkpoint $DB_ENV;
2483 warn "end emergency database checkpoint\n";
2484 };
2485
2486 warn "leave emergency perl save\n";
2487}
2488
2489sub post_cleanup {
2490 my ($make_core) = @_;
2491
2492 warn Carp::longmess "post_cleanup backtrace"
2493 if $make_core;
2494}
2090 2495
2091sub reload() { 2496sub reload() {
2092 # can/must only be called in main 2497 # can/must only be called in main
2093 if ($Coro::current != $Coro::main) { 2498 if ($Coro::current != $Coro::main) {
2094 warn "can only reload from main coroutine\n"; 2499 warn "can only reload from main coroutine";
2095 return; 2500 return;
2096 } 2501 }
2097 2502
2098 warn "reloading..."; 2503 warn "reloading...";
2099 2504
2100 my $guard = freeze_mainloop; 2505 warn "entering sync_job";
2506
2507 cf::sync_job {
2508 cf::write_runtime; # external watchdog should not bark
2101 cf::emergency_save; 2509 cf::emergency_save;
2510 cf::write_runtime; # external watchdog should not bark
2102 2511
2103 eval { 2512 warn "syncing database to disk";
2513 BDB::db_env_txn_checkpoint $DB_ENV;
2514
2104 # if anything goes wrong in here, we should simply crash as we already saved 2515 # if anything goes wrong in here, we should simply crash as we already saved
2105 2516
2106 # cancel all watchers 2517 warn "cancelling all WF_AUTOCANCEL watchers";
2107 for (Event::all_watchers) { 2518 for (Event::all_watchers) {
2108 $_->cancel if $_->data & WF_AUTOCANCEL; 2519 $_->cancel if $_->data & WF_AUTOCANCEL;
2109 } 2520 }
2110 2521
2522 warn "flushing outstanding aio requests";
2523 for (;;) {
2524 BDB::flush;
2525 IO::AIO::flush;
2526 Coro::cede;
2527 last unless IO::AIO::nreqs || BDB::nreqs;
2528 warn "iterate...";
2529 }
2530
2531 ++$RELOAD;
2532
2111 # cancel all extension coros 2533 warn "cancelling all extension coros";
2112 $_->cancel for values %EXT_CORO; 2534 $_->cancel for values %EXT_CORO;
2113 %EXT_CORO = (); 2535 %EXT_CORO = ();
2114 2536
2115 # unload all extensions 2537 warn "removing commands";
2116 for (@exts) { 2538 %COMMAND = ();
2539
2540 warn "removing ext commands";
2541 %EXTCMD = ();
2542
2543 warn "unloading/nuking all extensions";
2544 for my $pkg (@EXTS) {
2117 warn "unloading <$_>"; 2545 warn "... unloading $pkg";
2118 unload_extension $_; 2546
2547 if (my $cb = $pkg->can ("unload")) {
2548 eval {
2549 $cb->($pkg);
2550 1
2551 } or warn "$pkg unloaded, but with errors: $@";
2119 } 2552 }
2120 2553
2554 warn "... nuking $pkg";
2555 Symbol::delete_package $pkg;
2556 }
2557
2121 # unload all modules loaded from $LIBDIR 2558 warn "unloading all perl modules loaded from $LIBDIR";
2122 while (my ($k, $v) = each %INC) { 2559 while (my ($k, $v) = each %INC) {
2123 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2560 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124 2561
2125 warn "removing <$k>"; 2562 warn "... unloading $k";
2126 delete $INC{$k}; 2563 delete $INC{$k};
2127 2564
2128 $k =~ s/\.pm$//; 2565 $k =~ s/\.pm$//;
2129 $k =~ s/\//::/g; 2566 $k =~ s/\//::/g;
2130 2567
2133 } 2570 }
2134 2571
2135 Symbol::delete_package $k; 2572 Symbol::delete_package $k;
2136 } 2573 }
2137 2574
2138 # sync database to disk
2139 cf::db_sync;
2140 IO::AIO::flush;
2141
2142 # get rid of safe::, as good as possible 2575 warn "getting rid of safe::, as good as possible";
2143 Symbol::delete_package "safe::$_" 2576 Symbol::delete_package "safe::$_"
2144 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2577 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145 2578
2146 # remove register_script_function callbacks
2147 # TODO
2148
2149 # unload cf.pm "a bit" 2579 warn "unloading cf.pm \"a bit\"";
2150 delete $INC{"cf.pm"}; 2580 delete $INC{"cf.pm"};
2151 2581
2152 # don't, removes xs symbols, too, 2582 # don't, removes xs symbols, too,
2153 # and global variables created in xs 2583 # and global variables created in xs
2154 #Symbol::delete_package __PACKAGE__; 2584 #Symbol::delete_package __PACKAGE__;
2155 2585
2156 # reload cf.pm 2586 warn "unload completed, starting to reload now";
2587
2157 warn "reloading cf.pm"; 2588 warn "reloading cf.pm";
2158 require cf; 2589 require cf;
2159 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2590 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160 2591
2161 # load config and database again 2592 warn "loading config and database again";
2162 cf::cfg_load; 2593 cf::cfg_load;
2163 cf::db_load;
2164 2594
2165 # load extensions
2166 warn "load extensions"; 2595 warn "loading extensions";
2167 cf::load_extensions; 2596 cf::load_extensions;
2168 2597
2169 # reattach attachments to objects 2598 warn "reattaching attachments to objects/players";
2170 warn "reattach"; 2599 _global_reattach; # objects, sockets
2171 _global_reattach; 2600 warn "reattaching attachments to maps";
2172 }; 2601 reattach $_ for values %MAP;
2602 warn "reattaching attachments to players";
2603 reattach $_ for values %PLAYER;
2173 2604
2174 if ($@) { 2605 warn "loading reloadable resources";
2606 reload_resources;
2607
2608 warn "leaving sync_job";
2609
2610 1
2611 } or do {
2175 warn $@; 2612 warn $@;
2176 warn "error while reloading, exiting."; 2613 warn "error while reloading, exiting.";
2177 exit 1; 2614 exit 1;
2178 } 2615 };
2179 2616
2180 warn "reloaded successfully"; 2617 warn "reloaded";
2181}; 2618};
2182 2619
2183############################################################################# 2620our $RELOAD_WATCHER; # used only during reload
2184
2185unless ($LINK_MAP) {
2186 $LINK_MAP = cf::map::new;
2187
2188 $LINK_MAP->width (41);
2189 $LINK_MAP->height (41);
2190 $LINK_MAP->alloc;
2191 $LINK_MAP->path ("{link}");
2192 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195 # dirty hack because... archetypes are not yet loaded
2196 Event->timer (
2197 after => 10,
2198 cb => sub {
2199 $_[0]->w->cancel;
2200
2201 # provide some exits "home"
2202 my $exit = cf::object::new "exit";
2203
2204 $exit->slaying ($EMERGENCY_POSITION->[0]);
2205 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208 $LINK_MAP->insert ($exit->clone, 19, 19);
2209 $LINK_MAP->insert ($exit->clone, 19, 20);
2210 $LINK_MAP->insert ($exit->clone, 19, 21);
2211 $LINK_MAP->insert ($exit->clone, 20, 19);
2212 $LINK_MAP->insert ($exit->clone, 20, 21);
2213 $LINK_MAP->insert ($exit->clone, 21, 19);
2214 $LINK_MAP->insert ($exit->clone, 21, 20);
2215 $LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217 $exit->destroy;
2218 });
2219
2220 $LINK_MAP->{deny_save} = 1;
2221 $LINK_MAP->{deny_reset} = 1;
2222
2223 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224}
2225
2226register "<global>", __PACKAGE__;
2227 2621
2228register_command "reload" => sub { 2622register_command "reload" => sub {
2229 my ($who, $arg) = @_; 2623 my ($who, $arg) = @_;
2230 2624
2231 if ($who->flag (FLAG_WIZ)) { 2625 if ($who->flag (FLAG_WIZ)) {
2232 $who->message ("start of reload."); 2626 $who->message ("reloading server.");
2627
2628 # doing reload synchronously and two reloads happen back-to-back,
2629 # coro crashes during coro_state_free->destroy here.
2630
2631 $RELOAD_WATCHER ||= Event->timer (
2632 reentrant => 0,
2633 after => 0,
2634 data => WF_AUTOCANCEL,
2635 cb => sub {
2233 reload; 2636 reload;
2234 $who->message ("end of reload."); 2637 undef $RELOAD_WATCHER;
2638 },
2639 );
2235 } 2640 }
2236}; 2641};
2237 2642
2238unshift @INC, $LIBDIR; 2643unshift @INC, $LIBDIR;
2644
2645my $bug_warning = 0;
2646
2647our @WAIT_FOR_TICK;
2648our @WAIT_FOR_TICK_BEGIN;
2649
2650sub wait_for_tick {
2651 my $signal = new Coro::Signal;
2652 push @WAIT_FOR_TICK, $signal;
2653 $signal->wait;
2654}
2655
2656sub wait_for_tick_begin {
2657 my $signal = new Coro::Signal;
2658 push @WAIT_FOR_TICK_BEGIN, $signal;
2659 $signal->wait;
2660}
2239 2661
2240$TICK_WATCHER = Event->timer ( 2662$TICK_WATCHER = Event->timer (
2241 reentrant => 0, 2663 reentrant => 0,
2664 parked => 1,
2242 prio => 0, 2665 prio => 0,
2243 at => $NEXT_TICK || $TICK, 2666 at => $NEXT_TICK || $TICK,
2244 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2245 cb => sub { 2668 cb => sub {
2669 if ($Coro::current != $Coro::main) {
2670 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671 unless ++$bug_warning > 10;
2672 return;
2673 }
2674
2675 $NOW = Event::time;
2676
2246 cf::server_tick; # one server iteration 2677 cf::server_tick; # one server iteration
2247 $RUNTIME += $TICK; 2678 $RUNTIME += $TICK;
2248 $NEXT_TICK += $TICK; 2679 $NEXT_TICK += $TICK;
2680
2681 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682 $NEXT_RUNTIME_WRITE = $NOW + 10;
2683 Coro::async_pool {
2684 write_runtime
2685 or warn "ERROR: unable to write runtime file: $!";
2686 };
2687 }
2688
2689 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690 $sig->send;
2691 }
2692 while (my $sig = shift @WAIT_FOR_TICK) {
2693 $sig->send;
2694 }
2695
2696# my $AFTER = Event::time;
2697# warn $AFTER - $NOW;#d#
2249 2698
2250 # if we are delayed by four ticks or more, skip them all 2699 # if we are delayed by four ticks or more, skip them all
2251 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2700 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252 2701
2253 $TICK_WATCHER->at ($NEXT_TICK); 2702 $TICK_WATCHER->at ($NEXT_TICK);
2254 $TICK_WATCHER->start; 2703 $TICK_WATCHER->start;
2255 }, 2704 },
2256); 2705);
2257 2706
2707{
2258IO::AIO::max_poll_time $TICK * 0.2; 2708 BDB::max_poll_time $TICK * 0.1;
2259 2709 $BDB_POLL_WATCHER = Event->io (
2260Event->io ( 2710 reentrant => 0,
2261 fd => IO::AIO::poll_fileno, 2711 fd => BDB::poll_fileno,
2262 poll => 'r', 2712 poll => 'r',
2263 prio => 5, 2713 prio => 0,
2264 data => WF_AUTOCANCEL,
2265 cb => \&IO::AIO::poll_cb,
2266);
2267
2268Event->timer (
2269 data => WF_AUTOCANCEL, 2714 data => WF_AUTOCANCEL,
2270 after => 0, 2715 cb => \&BDB::poll_cb,
2271 interval => 10, 2716 );
2272 cb => sub { 2717 BDB::min_parallel 8;
2273 (Coro::unblock_sub { 2718
2274 write_runtime 2719 BDB::set_sync_prepare {
2275 or warn "ERROR: unable to write runtime file: $!"; 2720 my $status;
2721 my $current = $Coro::current;
2722 (
2723 sub {
2724 $status = $!;
2725 $current->ready; undef $current;
2726 },
2727 sub {
2728 Coro::schedule while defined $current;
2729 $! = $status;
2730 },
2731 )
2732 };
2733
2734 unless ($DB_ENV) {
2735 $DB_ENV = BDB::db_env_create;
2736
2737 cf::sync_job {
2738 eval {
2739 BDB::db_env_open
2740 $DB_ENV,
2741 $BDB_ENV_DIR,
2742 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744 0666;
2745
2746 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2747
2748 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749 $DB_ENV->set_lk_detect;
2750 };
2751
2752 cf::cleanup "db_env_open(db): $@" if $@;
2276 })->(); 2753 };
2277 }, 2754 }
2278); 2755}
2756
2757{
2758 IO::AIO::min_parallel 8;
2759
2760 undef $Coro::AIO::WATCHER;
2761 IO::AIO::max_poll_time $TICK * 0.1;
2762 $AIO_POLL_WATCHER = Event->io (
2763 reentrant => 0,
2764 data => WF_AUTOCANCEL,
2765 fd => IO::AIO::poll_fileno,
2766 poll => 'r',
2767 prio => 6,
2768 cb => \&IO::AIO::poll_cb,
2769 );
2770}
2279 2771
2280END { cf::emergency_save } 2772END { cf::emergency_save }
2281 2773
22821 27741
2283 2775

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines