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 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 26use YAML::Syck ();
27use IO::AIO 2.32 ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
27 37
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
30 40
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 42
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35our %COMMAND = (); 45our %COMMAND = ();
36our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
38 52
53our $RELOAD; # number of reloads so far
39our @EVENT; 54our @EVENT;
40our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
41 56
42our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 61our $NEXT_TICK;
45our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
46 67
47our %CFG; 68our %CFG;
48 69
49our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 71our $RUNTIME;
51 72
52our %PLAYER; # all users 73our %PLAYER; # all users
53our %MAP; # all maps 74our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81
82# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 84
58binmode STDOUT; 85binmode STDOUT;
59binmode STDERR; 86binmode STDERR;
60 87
61# read virtual server time, if available 88# read virtual server time, if available
68mkdir cf::localdir; 95mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
73 101
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
77 105
78############################################################################# 106#############################################################################
79 107
80=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
81 109
105 133
106=item %cf::CFG 134=item %cf::CFG
107 135
108Configuration for the server, loaded from C</etc/crossfire/config>, or 136Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 137from wherever your confdir points to.
138
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
140
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
143processing has been done. Call C<< ->wait >> on them to maximise the
144window of cpu time available, or simply to synchronise to the server tick.
110 145
111=back 146=back
112 147
113=cut 148=cut
114 149
118 utf8::encode $msg; 153 utf8::encode $msg;
119 154
120 $msg .= "\n" 155 $msg .= "\n"
121 unless $msg =~ /\n$/; 156 unless $msg =~ /\n$/;
122 157
123 LOG llevError, "cfperl: $msg"; 158 LOG llevError, $msg;
124 }; 159 };
125} 160}
126 161
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 181
147$Event::DIED = sub { 182$Event::DIED = sub {
148 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
149}; 184};
150 185
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
156 187
157=over 4 188=over 4
158 189
159=cut 190=item dumpval $ref
160 191
192=cut
193
194sub dumpval {
195 eval {
196 local $SIG{__DIE__};
197 my $d;
198 if (1) {
199 $d = new Data::Dumper([$_[0]], ["*var"]);
200 $d->Terse(1);
201 $d->Indent(2);
202 $d->Quotekeys(0);
203 $d->Useqq(1);
204 #$d->Bless(...);
205 $d->Seen($_[1]) if @_ > 1;
206 $d = $d->Dump();
207 }
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d
210 } || "[unable to dump $_[0]: '$@']";
211}
212
161use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 214
163=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
164 216
165Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
166 218
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
175 220
176Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
177
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184 222
185=item cf::lock_wait $string 223=item cf::lock_wait $string
186 224
187Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
188 226
225} 263}
226 264
227sub freeze_mainloop { 265sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
229 267
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
231 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
232 $guard 272 $guard
233} 273}
234 274
235=item cf::async { BLOCK } 275=item cf::async { BLOCK }
287 } 327 }
288} 328}
289 329
290=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
291 331
292Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 333extension calling this is being unloaded.
294 334
295=cut 335=cut
296 336
297sub async_ext(&) { 337sub async_ext(&) {
306 346
307 $coro 347 $coro
308} 348}
309 349
310sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
311 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
312 354
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 356 or return;
315 357
358 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 363 and return;
319 364
365 # always fsync - this file is important
320 aio_fsync $fh 366 aio_fsync $fh
321 and return; 367 and return;
322 368
323 close $fh 369 close $fh
324 or return; 370 or return;
327 and return; 373 and return;
328 374
329 1 375 1
330} 376}
331 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
332=back 389=back
333 390
334=cut 391=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 392
456############################################################################# 393#############################################################################
457 394
458=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
459 396
585our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 523our @CB_MAP = ();
587 524
588my %attachment; 525my %attachment;
589 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
590sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
592 535
593 use sort 'stable'; 536 use sort 'stable';
594 537
765# object support 708# object support
766 709
767sub reattach { 710sub reattach {
768 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 715
771 my $registry = $obj->registry; 716 my $registry = $obj->registry;
772 717
773 @$registry = (); 718 @$registry = ();
774 719
821 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
822 767
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 772 close $fh;
828 773
829 if (@$objs) { 774 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 780 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
837 } 782 }
838 } else { 783 } else {
839 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
906=cut 851=cut
907 852
908sub register_extcmd { 853sub register_extcmd {
909 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
910 855
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
915} 857}
916 858
917cf::player->attach ( 859cf::player->attach (
918 on_command => sub { 860 on_command => sub {
919 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
932 874
933 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
934 876
935 if (ref $msg) { 877 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 881 }
940 } 882 }
941 } else { 883 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 886
945 cf::override; 887 cf::override;
946 }, 888 },
947); 889);
948 890
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 891sub load_extension {
956 my ($path) = @_; 892 my ($path) = @_;
957 893
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 895 my $base = $1;
960 my $pkg = $1; 896 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
963 899
964 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
965 901
966 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 903 or die "$path: $!";
968 904
969 my $source = 905 my $source =
970 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
973 . "\n};\n1"; 909 . "\n};\n1";
974 910
975 eval $source 911 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 913 : "extension disabled.\n";
978 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 915 warn $@;
980 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
981 917 exit 1;
982# no strict 'refs'; 918 }
983# @{"$pkg\::ISA"} = ext::; 919 die $@;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# } 920 }
998 921
999 # remove commands 922 push @EXTS, $pkg;
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 923}
1024 924
1025sub load_extensions { 925sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 927 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1032 } 932 }
1033} 933}
1034 934
1035############################################################################# 935#############################################################################
1036# load/save/clean perl data associated with a map
1037
1038*cf::mapsupport::on_clean = sub {
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 936
1073=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1074 938
1075Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1076 940
1077=cut 941=cut
1078 942
1079package cf::player; 943package cf::player;
1080 944
945use Coro::AIO;
946
1081=head3 cf::player 947=head3 cf::player
1082 948
1083=over 4 949=over 4
1084 950
1085=item cf::player::find $login 951=item cf::player::find $login
1086 952
1087Returns the given player object, loading it if necessary (might block). 953Returns the given player object, loading it if necessary (might block).
1088 954
1089=cut 955=cut
1090 956
957sub playerdir($) {
958 cf::localdir
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963}
964
1091sub path($) { 965sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 967
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 968 (playerdir $login) . "/playerdata"
1095} 969}
1096 970
1097sub find_active($) { 971sub find_active($) {
1098 $cf::PLAYER{$_[0]} 972 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 973 and $cf::PLAYER{$_[0]}->active
1102 976
1103sub exists($) { 977sub exists($) {
1104 my ($login) = @_; 978 my ($login) = @_;
1105 979
1106 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1108} 982}
1109 983
1110sub find($) { 984sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 986 my $login = $_[0];
1113 987
1114 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
1115 989
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 990 $cf::PLAYER{$_[0]} || do {
991 # rename old playerfiles to new ones
992 #TODO: remove when no longer required
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl";
997
998 my $pl = load_pl path $login
999 or return;
1000 $cf::PLAYER{$login} = $pl
1001 }
1117 }; 1002 }
1118} 1003}
1119 1004
1120sub save($) { 1005sub save($) {
1121 my ($pl) = @_; 1006 my ($pl) = @_;
1122 1007
1124 1009
1125 my $path = path $pl; 1010 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 1011 my $guard = cf::lock_acquire "user_save:$path";
1127 1012
1128 return if $pl->{deny_save}; 1013 return if $pl->{deny_save};
1014
1015 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1016 $pl->{last_save} = $cf::RUNTIME;
1130 1017
1131 Coro::cede;
1132 $pl->save_pl ($path); 1018 $pl->save_pl ($path);
1133 Coro::cede; 1019 Coro::cede;
1134} 1020}
1135 1021
1136sub new($) { 1022sub new($) {
1144 $cf::PLAYER{$login} = $self; 1030 $cf::PLAYER{$login} = $self;
1145 1031
1146 $self 1032 $self
1147} 1033}
1148 1034
1035=item $pl->quit_character
1036
1037Nukes the player without looking back. If logged in, the connection will
1038be destroyed. May block for a long time.
1039
1040=cut
1041
1042sub quit_character {
1043 my ($pl) = @_;
1044
1045 my $name = $pl->ob->name;
1046
1047 $pl->{deny_save} = 1;
1048 $pl->password ("*"); # this should lock out the player until we nuked the dir
1049
1050 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051 $pl->deactivate;
1052 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1053 $pl->ns->destroy if $pl->ns;
1054
1055 my $path = playerdir $pl;
1056 my $temp = "$path~$cf::RUNTIME~deleting~";
1057 aio_rename $path, $temp;
1058 delete $cf::PLAYER{$pl->ob->name};
1059 $pl->destroy;
1060
1061 my $prefix = qr<^~\Q$name\E/>;
1062
1063 # nuke player maps
1064 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1065
1066 IO::AIO::aio_rmtree $temp;
1067}
1068
1069=item $pl->kick
1070
1071Kicks a player out of the game. This destroys the connection.
1072
1073=cut
1074
1075sub kick {
1076 my ($pl, $kicker) = @_;
1077
1078 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1079 $pl->killer ("kicked");
1080 $pl->ns->destroy;
1081}
1082
1083=item cf::player::list_logins
1084
1085Returns am arrayref of all valid playernames in the system, can take a
1086while and may block, so not sync_job-capable, ever.
1087
1088=cut
1089
1090sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1092 or return [];
1093
1094 my @logins;
1095
1096 for my $login (@$dirs) {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag
1100
1101 utf8::decode $login;
1102 push @logins, $login;
1103 }
1104
1105 \@logins
1106}
1107
1108=item $player->maps
1109
1110Returns an arrayref of map paths that are private for this
1111player. May block.
1112
1113=cut
1114
1115sub maps($) {
1116 my ($pl) = @_;
1117
1118 $pl = ref $pl ? $pl->ob->name : $pl;
1119
1120 my $files = aio_readdir playerdir $pl
1121 or return;
1122
1123 my @paths;
1124
1125 for (@$files) {
1126 utf8::decode $_;
1127 next if /\.(?:pl|pst)$/;
1128 next unless /^$PATH_SEP/o;
1129
1130 push @paths, cf::map::normalise "~$pl/$_";
1131 }
1132
1133 \@paths
1134}
1135
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1136=item $player->ext_reply ($msgid, %msg)
1150 1137
1151Sends an ext reply to the player. 1138Sends an ext reply to the player.
1152 1139
1153=cut 1140=cut
1154 1141
1155sub ext_reply($$$%) { 1142sub ext_reply($$%) {
1156 my ($self, $id, %msg) = @_; 1143 my ($self, $id, %msg) = @_;
1157 1144
1158 $msg{msgid} = $id; 1145 $msg{msgid} = $id;
1159 1146
1160 $self->send ("ext " . cf::to_json \%msg); 1147 $self->send ("ext " . cf::to_json \%msg);
1148}
1149
1150=item $player->ext_event ($type, %msg)
1151
1152Sends an ext event to the client.
1153
1154=cut
1155
1156sub ext_event($$%) {
1157 my ($self, $type, %msg) = @_;
1158
1159 $self->ns->ext_event ($type, %msg);
1161} 1160}
1162 1161
1163package cf; 1162package cf;
1164 1163
1165=back 1164=back
1174package cf::map; 1173package cf::map;
1175 1174
1176use Fcntl; 1175use Fcntl;
1177use Coro::AIO; 1176use Coro::AIO;
1178 1177
1178use overload
1179 '""' => \&as_string,
1180 fallback => 1;
1181
1179our $MAX_RESET = 3600; 1182our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1183our $DEFAULT_RESET = 3000;
1181 1184
1182sub generate_random_map { 1185sub generate_random_map {
1183 my ($path, $rmp) = @_; 1186 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1187 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1188 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1189 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1190 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1191 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1192 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1193 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1194 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1195 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1196 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1197 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1198 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1199 (cf::region::find $rmp->{region}), $rmp->{custom}
1200 )
1201}
1202
1203=item cf::map->register ($regex, $prio)
1204
1205Register a handler for the map path matching the given regex at the
1206givne priority (higher is better, built-in handlers have priority 0, the
1207default).
1208
1209=cut
1210
1211sub register {
1212 my (undef, $regex, $prio) = @_;
1213 my $pkg = caller;
1214
1215 no strict;
1216 push @{"$pkg\::ISA"}, __PACKAGE__;
1217
1218 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219}
1220
1221# also paths starting with '/'
1222$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1223
1224sub thawer_merge {
1225 my ($self, $merge) = @_;
1226
1227 # we have to keep some variables in memory intact
1228 local $self->{path};
1229 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232
1233 $self->SUPER::thawer_merge ($merge);
1234}
1235
1236sub normalise {
1237 my ($path, $base) = @_;
1238
1239 $path = "$path"; # make sure its a string
1240
1241 $path =~ s/\.map$//;
1242
1243 # map plan:
1244 #
1245 # /! non-realised random map exit (special hack!)
1246 # {... are special paths that are not being touched
1247 # ?xxx/... are special absolute paths
1248 # ?random/... random maps
1249 # /... normal maps
1250 # ~user/... per-player map of a specific user
1251
1252 $path =~ s/$PATH_SEP/\//go;
1253
1254 # treat it as relative path if it starts with
1255 # something that looks reasonable
1256 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1257 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1258
1259 $base =~ s{[^/]+/?$}{};
1260 $path = "$base/$path";
1261 }
1262
1263 for ($path) {
1264 redo if s{//}{/};
1265 redo if s{/\.?/}{/};
1266 redo if s{/[^/]+/\.\./}{/};
1267 }
1268
1269 $path
1270}
1271
1272sub new_from_path {
1273 my (undef, $path, $base) = @_;
1274
1275 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1276
1277 $path = normalise $path, $base;
1278
1279 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1280 if ($path =~ $EXT_MAP{$pkg}[1]) {
1281 my $self = bless cf::map::new, $pkg;
1282 $self->{path} = $path; $self->path ($path);
1283 $self->init; # pass $1 etc.
1284 return $self;
1285 }
1286 }
1287
1288 Carp::carp "unable to resolve path '$path' (base '$base').";
1289 ()
1290}
1291
1292sub init {
1293 my ($self) = @_;
1294
1295 $self
1296}
1297
1298sub as_string {
1299 my ($self) = @_;
1300
1301 "$self->{path}"
1302}
1303
1304# the displayed name, this is a one way mapping
1305sub visible_name {
1306 &as_string
1307}
1308
1309# the original (read-only) location
1310sub load_path {
1311 my ($self) = @_;
1312
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1314}
1315
1316# the temporary/swap location
1317sub save_path {
1318 my ($self) = @_;
1319
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1322}
1323
1324# the unique path, undef == no special unique path
1325sub uniq_path {
1326 my ($self) = @_;
1327
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1330}
1200 1331
1201# and all this just because we cannot iterate over 1332# and all this just because we cannot iterate over
1202# all maps in C++... 1333# all maps in C++...
1203sub change_all_map_light { 1334sub change_all_map_light {
1205 1336
1206 $_->change_map_light ($change) 1337 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1338 for grep $_->outdoor, values %cf::MAP;
1208} 1339}
1209 1340
1341sub unlink_save {
1342 my ($self) = @_;
1343
1344 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1346 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1347}
1348
1210sub try_load_header($) { 1349sub load_header_from($) {
1211 my ($path) = @_; 1350 my ($self, $path) = @_;
1212 1351
1213 utf8::encode $path; 1352 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1353 #aio_open $path, O_RDONLY, 0
1354 # or return;
1355
1356 $self->_load_header ($path)
1215 or return; 1357 or return;
1216 1358
1217 my $map = cf::map::new 1359 $self->{load_path} = $path;
1360
1361 1
1362}
1363
1364sub load_header_orig {
1365 my ($self) = @_;
1366
1367 $self->load_header_from ($self->load_path)
1368}
1369
1370sub load_header_temp {
1371 my ($self) = @_;
1372
1373 $self->load_header_from ($self->save_path)
1374}
1375
1376sub prepare_temp {
1377 my ($self) = @_;
1378
1379 $self->last_access ((delete $self->{last_access})
1380 || $cf::RUNTIME); #d#
1381 # safety
1382 $self->{instantiate_time} = $cf::RUNTIME
1383 if $self->{instantiate_time} > $cf::RUNTIME;
1384}
1385
1386sub prepare_orig {
1387 my ($self) = @_;
1388
1389 $self->{load_original} = 1;
1390 $self->{instantiate_time} = $cf::RUNTIME;
1391 $self->last_access ($cf::RUNTIME);
1392 $self->instantiate;
1393}
1394
1395sub load_header {
1396 my ($self) = @_;
1397
1398 if ($self->load_header_temp) {
1399 $self->prepare_temp;
1400 } else {
1401 $self->load_header_orig
1218 or return; 1402 or return;
1403 $self->prepare_orig;
1404 }
1219 1405
1220 # for better error messages only, will be overwritten 1406 1
1221 $map->path ($path);
1222
1223 $map->load_header ($path)
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1407}
1230 1408
1231sub find; 1409sub find;
1232sub find { 1410sub find {
1233 my ($path, $origin) = @_; 1411 my ($path, $origin) = @_;
1234 1412
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1413 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1414
1240 cf::lock_wait "map_find:$key"; 1415 cf::lock_wait "map_find:$path";
1241 1416
1242 $cf::MAP{$key} || do { 1417 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1418 my $guard = cf::lock_acquire "map_find:$path";
1244 1419 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; 1420 or return;
1264 1421
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; 1422 $map->{last_save} = $cf::RUNTIME;
1277 1423
1278 Coro::cede; 1424 $map->load_header
1425 or return;
1279 1426
1280 if ($map->should_reset) { 1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1430 $map->reset;
1282 undef $guard; 1431 undef $guard;
1283 $map = find $path 1432 return find $path;
1284 or return;
1285 } 1433 }
1286 1434
1287 $cf::MAP{$key} = $map 1435 $cf::MAP{$path} = $map
1288 } 1436 }
1289} 1437}
1438
1439sub pre_load { }
1440sub post_load { }
1290 1441
1291sub load { 1442sub load {
1292 my ($self) = @_; 1443 my ($self) = @_;
1293 1444
1445 local $self->{deny_reset} = 1; # loading can take a long time
1446
1294 my $path = $self->{path}; 1447 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1448 my $guard = cf::lock_acquire "map_load:$path";
1296 1449
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1450 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1451
1299 $self->in_memory (cf::MAP_LOADING); 1452 $self->in_memory (cf::MAP_LOADING);
1300 1453
1301 $self->alloc; 1454 $self->alloc;
1455
1456 $self->pre_load;
1457
1302 $self->load_objects ($self->{load_path}, 1) 1458 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1459 or return;
1304 1460
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1462 if delete $self->{load_original};
1307 1463
1308 if (my $uniq = $path->uniq_path) { 1464 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1465 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1466 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1467 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1468 $self->_load_objects ($uniq, 0);
1313 } 1469 }
1314 } 1470 }
1315 1471
1316 Coro::cede; 1472 Coro::cede;
1317 1473
1318 # now do the right thing for maps 1474 # now do the right thing for maps
1319 $self->link_multipart_objects; 1475 $self->link_multipart_objects;
1320 1476
1321 if ($self->{path}->is_style_map) { 1477 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1478 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1479 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1480 $self->update_buttons;
1481 Coro::cede;
1328 $self->set_darkness_map; 1482 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1483 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1484 unless $self->difficulty;
1485 Coro::cede;
1331 $self->activate; 1486 $self->activate;
1332 } 1487 }
1333 1488
1334 Coro::cede; 1489 $self->post_load;
1335 1490
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492}
1493
1494sub customise_for {
1495 my ($self, $ob) = @_;
1496
1497 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player;
1499
1500 $self
1501}
1502
1503# find and load all maps in the 3x3 area around a map
1504sub load_diag {
1505 my ($map) = @_;
1506
1507 my @diag; # diagonal neighbours
1508
1509 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_)
1511 or next;
1512 $neigh = find $neigh, $map
1513 or next;
1514 $neigh->load;
1515
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 }
1519
1520 for (@diag) {
1521 my $neigh = find @$_
1522 or next;
1523 $neigh->load;
1524 }
1337} 1525}
1338 1526
1339sub find_sync { 1527sub find_sync {
1340 my ($path, $origin) = @_; 1528 my ($path, $origin) = @_;
1341 1529
1342 cf::sync_job { cf::map::find $path, $origin } 1530 cf::sync_job { find $path, $origin }
1343} 1531}
1344 1532
1345sub do_load_sync { 1533sub do_load_sync {
1346 my ($map) = @_; 1534 my ($map) = @_;
1347 1535
1348 cf::sync_job { $map->load }; 1536 cf::sync_job { $map->load };
1349} 1537}
1350 1538
1539our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef;
1541
1542sub find_async {
1543 my ($path, $origin) = @_;
1544
1545 $path = normalise $path, $origin && $origin->{path};
1546
1547 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1549 }
1550
1551 undef $MAP_PREFETCH{$path};
1552 $MAP_PREFETCHER ||= cf::async {
1553 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) {
1555 my $map = find $path
1556 or next;
1557 $map->load;
1558
1559 delete $MAP_PREFETCH{$path};
1560 }
1561 }
1562 undef $MAP_PREFETCHER;
1563 };
1564 $MAP_PREFETCHER->prio (6);
1565
1566 ()
1567}
1568
1351sub save { 1569sub save {
1352 my ($self) = @_; 1570 my ($self) = @_;
1353 1571
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1572 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1573
1356 $self->{last_save} = $cf::RUNTIME; 1574 $self->{last_save} = $cf::RUNTIME;
1357 1575
1358 return unless $self->dirty; 1576 return unless $self->dirty;
1359 1577
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1578 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1579 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1580
1363 $self->{load_path} = $save; 1581 $self->{load_path} = $save;
1364 1582
1365 return if $self->{deny_save}; 1583 return if $self->{deny_save};
1366 1584
1369 cf::async { 1587 cf::async {
1370 $_->contr->save for $self->players; 1588 $_->contr->save for $self->players;
1371 }; 1589 };
1372 1590
1373 if ($uniq) { 1591 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1593 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1594 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1595 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1596 }
1379} 1597}
1380 1598
1381sub swap_out { 1599sub swap_out {
1382 my ($self) = @_; 1600 my ($self) = @_;
1396 1614
1397sub reset_at { 1615sub reset_at {
1398 my ($self) = @_; 1616 my ($self) = @_;
1399 1617
1400 # TODO: safety, remove and allow resettable per-player maps 1618 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1620 return 1e99 if $self->{deny_reset};
1403 1621
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1624
1411 my ($self) = @_; 1629 my ($self) = @_;
1412 1630
1413 $self->reset_at <= $cf::RUNTIME 1631 $self->reset_at <= $cf::RUNTIME
1414} 1632}
1415 1633
1416sub unlink_save {
1417 my ($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 $self->save;
1435}
1436
1437sub reset { 1634sub reset {
1438 my ($self) = @_; 1635 my ($self) = @_;
1439 1636
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1637 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1638
1442 return if $self->players; 1639 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1640 return if $self->isa ("ext::map_per_player");#d#
1444 1641
1445 warn "resetting map ", $self->path;#d# 1642 warn "resetting map ", $self->path;#d#
1446 1643
1644 $self->in_memory (cf::MAP_SWAPPED);
1645
1646 # need to save uniques path
1647 unless ($self->{deny_save}) {
1648 my $uniq = $self->uniq_path; utf8::encode $uniq;
1649
1650 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1651 if $uniq;
1652 }
1653
1447 delete $cf::MAP{$self->path}; 1654 delete $cf::MAP{$self->path};
1655
1656 $self->clear;
1448 1657
1449 $_->clear_links_to ($self) for values %cf::MAP; 1658 $_->clear_links_to ($self) for values %cf::MAP;
1450 1659
1451 $self->unlink_save; 1660 $self->unlink_save;
1452 $self->destroy; 1661 $self->destroy;
1455my $nuke_counter = "aaaa"; 1664my $nuke_counter = "aaaa";
1456 1665
1457sub nuke { 1666sub nuke {
1458 my ($self) = @_; 1667 my ($self) = @_;
1459 1668
1669 delete $cf::MAP{$self->path};
1670
1671 $self->unlink_save;
1672
1673 bless $self, "cf::map";
1674 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1675 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1676 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678
1679 $cf::MAP{$self->path} = $self;
1680
1463 $self->reset; # polite request, might not happen 1681 $self->reset; # polite request, might not happen
1464} 1682}
1465 1683
1466sub customise_for { 1684=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1685
1469 if ($map->per_player) { 1686Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1687instantiated unique items. May block.
1471 }
1472 1688
1473 $map 1689=cut
1474}
1475 1690
1476sub emergency_save { 1691sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1693 or return;
1478 1694
1479 warn "enter emergency perl save\n"; 1695 my @paths;
1480 1696
1481 cf::sync_job { 1697 for (@$files) {
1482 warn "begin emergency player save\n"; 1698 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1699 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1700 next unless /^$PATH_SEP/o;
1485 1701
1486 warn "begin emergency map save\n"; 1702 push @paths, cf::map::normalise $_;
1487 $_->save for values %cf::MAP;
1488 warn "end emergency map save\n";
1489 }; 1703 }
1490 1704
1491 warn "leave emergency perl save\n"; 1705 \@paths
1492} 1706}
1493 1707
1494package cf; 1708package cf;
1495 1709
1496=back 1710=back
1497 1711
1712=head3 cf::object
1713
1714=cut
1715
1716package cf::object;
1717
1718=over 4
1719
1720=item $ob->inv_recursive
1721
1722Returns the inventory of the object _and_ their inventories, recursively.
1723
1724=cut
1725
1726sub inv_recursive_;
1727sub inv_recursive_ {
1728 map { $_, inv_recursive_ $_->inv } @_
1729}
1730
1731sub inv_recursive {
1732 inv_recursive_ inv $_[0]
1733}
1734
1735package cf;
1736
1737=back
1498 1738
1499=head3 cf::object::player 1739=head3 cf::object::player
1500 1740
1501=over 4 1741=over 4
1502 1742
1542 1782
1543=item $player_object->enter_link 1783=item $player_object->enter_link
1544 1784
1545Freezes the player and moves him/her to a special map (C<{link}>). 1785Freezes the player and moves him/her to a special map (C<{link}>).
1546 1786
1547The player should be reaosnably safe there for short amounts of time. You 1787The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1788I<MUST> call C<leave_link> as soon as possible, though.
1549 1789
1790Will never block.
1791
1550=item $player_object->leave_link ($map, $x, $y) 1792=item $player_object->leave_link ($map, $x, $y)
1551 1793
1552Moves the player out of the specila link map onto the given map. If the 1794Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1795map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1796to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1797fails, to the emergency map position.
1556 1798
1557Might block. 1799Might block.
1558 1800
1559=cut 1801=cut
1802
1803sub link_map {
1804 unless ($LINK_MAP) {
1805 $LINK_MAP = cf::map::find "{link}"
1806 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1807 $LINK_MAP->load;
1808 }
1809
1810 $LINK_MAP
1811}
1560 1812
1561sub cf::object::player::enter_link { 1813sub cf::object::player::enter_link {
1562 my ($self) = @_; 1814 my ($self) = @_;
1563 1815
1564 $self->deactivate_recursive; 1816 $self->deactivate_recursive;
1565 1817
1566 return if $self->map == $LINK_MAP; 1818 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1819
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1821 if $self->map;
1570 1822
1571 $self->enter_map ($LINK_MAP, 20, 20); 1823 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1572} 1824}
1573 1825
1574sub cf::object::player::leave_link { 1826sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1827 my ($self, $map, $x, $y) = @_;
1576 1828
1594 # use -1 or undef as default coordinates, not 0, 0 1846 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1847 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1848 if $x <=0 && $y <= 0;
1597 1849
1598 $map->load; 1850 $map->load;
1851 $map->load_diag;
1599 1852
1600 return unless $self->contr->active; 1853 return unless $self->contr->active;
1601 $self->activate_recursive; 1854 $self->activate_recursive;
1855
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602 $self->enter_map ($map, $x, $y); 1857 $self->enter_map ($map, $x, $y);
1603} 1858}
1604 1859
1605cf::player->attach ( 1860cf::player->attach (
1606 on_logout => sub { 1861 on_logout => sub {
1619 # try to abort aborted map switching on player login :) 1874 # try to abort aborted map switching on player login :)
1620 # should happen only on crashes 1875 # should happen only on crashes
1621 if ($pl->ob->{_link_pos}) { 1876 if ($pl->ob->{_link_pos}) {
1622 $pl->ob->enter_link; 1877 $pl->ob->enter_link;
1623 (async { 1878 (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, 1879 $pl->ob->reply (undef,
1627 "There was an internal problem at your last logout, " 1880 "There was an internal problem at your last logout, "
1628 . "the server will try to bring you to your intended destination in a second.", 1881 . "the server will try to bring you to your intended destination in a second.",
1629 cf::NDI_RED); 1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1630 Coro::Timer::sleep 1; 1885 Coro::Timer::sleep 1;
1631 $pl->ob->leave_link; 1886 $pl->ob->leave_link;
1632 })->prio (2); 1887 })->prio (2);
1633 } 1888 }
1634 }, 1889 },
1642 my ($self, $path, $x, $y) = @_; 1897 my ($self, $path, $x, $y) = @_;
1643 1898
1644 $self->enter_link; 1899 $self->enter_link;
1645 1900
1646 (async { 1901 (async {
1647 $path = new cf::path $path; 1902 my $map = eval {
1648
1649 my $map = cf::map::find $path->as_string; 1903 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1904 $map = $map->customise_for ($self) if $map;
1651 1905 $map
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1906 } or
1653# if $map;
1654
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1908
1657 $self->leave_link ($map, $x, $y); 1909 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1910 })->prio (1);
1659} 1911}
1660 1912
1664 1916
1665sub parse_random_map_params { 1917sub parse_random_map_params {
1666 my ($spec) = @_; 1918 my ($spec) = @_;
1667 1919
1668 my $rmp = { # defaults 1920 my $rmp = { # defaults
1669 xsize => 10, 1921 xsize => (cf::rndm 15, 40),
1670 ysize => 10, 1922 ysize => (cf::rndm 15, 40),
1923 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1924 #layout => string,
1671 }; 1925 };
1672 1926
1673 for (split /\n/, $spec) { 1927 for (split /\n/, $spec) {
1674 my ($k, $v) = split /\s+/, $_, 2; 1928 my ($k, $v) = split /\s+/, $_, 2;
1675 1929
1679 $rmp 1933 $rmp
1680} 1934}
1681 1935
1682sub prepare_random_map { 1936sub prepare_random_map {
1683 my ($exit) = @_; 1937 my ($exit) = @_;
1938
1939 my $guard = cf::lock_acquire "exit_prepare:$exit";
1684 1940
1685 # all this does is basically replace the /! path by 1941 # all this does is basically replace the /! path by
1686 # a new random map path (?random/...) with a seed 1942 # a new random map path (?random/...) with a seed
1687 # that depends on the exit object 1943 # that depends on the exit object
1688 1944
1689 my $rmp = parse_random_map_params $exit->msg; 1945 my $rmp = parse_random_map_params $exit->msg;
1690 1946
1691 if ($exit->map) { 1947 if ($exit->map) {
1692 $rmp->{region} = $exit->map->region_name; 1948 $rmp->{region} = $exit->region->name;
1693 $rmp->{origin_map} = $exit->map->path; 1949 $rmp->{origin_map} = $exit->map->path;
1694 $rmp->{origin_x} = $exit->x; 1950 $rmp->{origin_x} = $exit->x;
1695 $rmp->{origin_y} = $exit->y; 1951 $rmp->{origin_y} = $exit->y;
1696 } 1952 }
1697 1953
1698 $rmp->{random_seed} ||= $exit->random_seed; 1954 $rmp->{random_seed} ||= $exit->random_seed;
1699 1955
1700 my $data = cf::to_json $rmp; 1956 my $data = cf::to_json $rmp;
1701 my $md5 = Digest::MD5::md5_hex $data; 1957 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702 1959
1703 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704 aio_write $fh, 0, (length $data), $data, 0; 1961 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh;
1963 aio_rename "$meta~", $meta;
1705 1964
1706 $exit->slaying ("?random/$md5"); 1965 $exit->slaying ("?random/$md5");
1707 $exit->msg (undef); 1966 $exit->msg (undef);
1708 } 1967 }
1709} 1968}
1710 1969
1711sub cf::object::player::enter_exit { 1970sub cf::object::player::enter_exit {
1712 my ($self, $exit) = @_; 1971 my ($self, $exit) = @_;
1713 1972
1714 return unless $self->type == cf::PLAYER; 1973 return unless $self->type == cf::PLAYER;
1974
1975 if ($exit->slaying eq "/!") {
1976 #TODO: this should de-fi-ni-te-ly not be a sync-job
1977 # the problem is that $exit might not survive long enough
1978 # so it needs to be done right now, right here
1979 cf::sync_job { prepare_random_map $exit };
1980 }
1981
1982 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp;
1715 1985
1716 $self->enter_link; 1986 $self->enter_link;
1717 1987
1718 (async { 1988 (async {
1719 $self->deactivate_recursive; # just to be sure 1989 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1990 unless (eval {
1721 prepare_random_map $exit 1991 $self->goto ($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 1992
1727 1; 1993 1;
1728 }) { 1994 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1995 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1996 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1997 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 1998 cf::NDI_UNIQUE | cf::NDI_RED);
1733 1999
1734 warn "ERROR in enter_exit: $@"; 2000 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 2001 $self->leave_link;
1736 } 2002 }
1737 })->prio (1); 2003 })->prio (1);
1750 2016
1751sub cf::client::send_drawinfo { 2017sub cf::client::send_drawinfo {
1752 my ($self, $text, $flags) = @_; 2018 my ($self, $text, $flags) = @_;
1753 2019
1754 utf8::encode $text; 2020 utf8::encode $text;
1755 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756} 2022}
1757 2023
2024=item $client->ext_event ($type, %msg)
2025
2026Sends an exti event to the client.
2027
2028=cut
2029
2030sub cf::client::ext_event($$%) {
2031 my ($self, $type, %msg) = @_;
2032
2033 $msg{msgtype} = "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg);
2035}
1758 2036
1759=item $success = $client->query ($flags, "text", \&cb) 2037=item $success = $client->query ($flags, "text", \&cb)
1760 2038
1761Queues a query to the client, calling the given callback with 2039Queues a query to the client, calling the given callback with
1762the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1791 # get handled first 2069 # get handled first
1792 my $queue = delete $ns->{query_queue} 2070 my $queue = delete $ns->{query_queue}
1793 or return; # be conservative, not sure how that can happen, but we saw a crash here 2071 or return; # be conservative, not sure how that can happen, but we saw a crash here
1794 2072
1795 (shift @$queue)->[1]->($msg); 2073 (shift @$queue)->[1]->($msg);
2074 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796 2075
1797 push @{ $ns->{query_queue} }, @$queue; 2076 push @{ $ns->{query_queue} }, @$queue;
1798 2077
1799 if (@{ $ns->{query_queue} } == @$queue) { 2078 if (@{ $ns->{query_queue} } == @$queue) {
1800 if (@$queue) { 2079 if (@$queue) {
1858 2137
1859# here we export the classes and methods available to script code 2138# here we export the classes and methods available to script code
1860 2139
1861=pod 2140=pod
1862 2141
1863The following fucntions and emthods are available within a safe environment: 2142The following functions and methods are available within a safe environment:
1864 2143
1865 cf::object contr pay_amount pay_player map 2144 cf::object contr pay_amount pay_player map
1866 cf::object::player player 2145 cf::object::player player
1867 cf::player peaceful 2146 cf::player peaceful
1868 cf::map trigger 2147 cf::map trigger
1961The parameter C<$family> should best start with the name of the extension 2240The parameter C<$family> should best start with the name of the extension
1962using it, it should be unique. 2241using it, it should be unique.
1963 2242
1964=over 4 2243=over 4
1965 2244
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 2245=item $value = cf::db_get $family => $key
1973 2246
1974Returns a single value from the database 2247Returns 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 2248
1981=item cf::db_put $family => $key => $value 2249=item cf::db_put $family => $key => $value
1982 2250
1983Stores the given C<$value> in the family hash. Updates are delayed, if you 2251Stores 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 2252
1994=cut 2253=cut
1995 2254
1996our $DB; 2255our $DB;
1997 2256
1998{ 2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
1999 my $path = cf::localdir . "/database.pst"; 2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2000 2276
2001 sub db_load() { 2277 cf::db_put (board => data => $pst->{board});
2002 $DB = stat $path ? Storable::retrieve $path : { }; 2278 cf::db_put (guildrules => data => $pst->{guildrules});
2003 } 2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2004 2281
2005 my $pid; 2282 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 } 2283 };
2015 } 2284 }
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 }); 2285 }
2286}
2027 2287
2028 sub db_dirty() {
2029 $dirty = 1;
2030 $idle->start;
2031 }
2032
2033 sub db_get($;$) { 2288sub db_get($$) {
2034 @_ >= 2 2289 my $key = "$_[0]/$_[1]";
2035 ? $DB->{$_[0]}{$_[1]}
2036 : ($DB->{$_[0]} ||= { })
2037 }
2038 2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2039 sub db_put($$;$) { 2299sub db_put($$$) {
2040 if (@_ >= 3) { 2300 BDB::dbreq_pri 4;
2041 $DB->{$_[0]}{$_[1]} = $_[2]; 2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions
2306
2307sub load_facedata {
2308 my $path = sprintf "%s/facedata", cf::datadir;
2309
2310 warn "loading facedata from $path\n";
2311
2312 my $faces;
2313 0 < aio_load $path, $faces
2314 or die "$path: $!";
2315
2316 Coro::cede;
2317 $faces = Storable::thaw $faces;
2318 Coro::cede;
2319
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1
2322 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323
2324 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329 Coro::cede;
2330 }
2331
2332 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth};
2334 my $idx = cf::face::find $face
2335 or next;
2336 if (my $smooth = cf::face::find $info->{smooth}) {
2337 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2042 } else { 2338 } else {
2043 $DB->{$_[0]} = $_[1]; 2339 warn "smooth face '$info->{smooth}' not found for face '$face'";
2044 }
2045 db_dirty;
2046 }
2047
2048 cf::global->attach (
2049 prio => 10000,
2050 on_cleanup => sub {
2051 db_sync;
2052 }, 2340 }
2053 ); 2341 Coro::cede;
2054} 2342 }
2055 2343
2056############################################################################# 2344 1
2057# the server's main() 2345}
2346
2347sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2349 or die "unable to load regions file\n";#d#
2350 load_facedata
2351 or die "unable to load facedata\n";#d#
2352}
2353
2354sub init {
2355 reload_resources;
2356}
2058 2357
2059sub cfg_load { 2358sub cfg_load {
2060 open my $fh, "<:utf8", cf::confdir . "/config" 2359 open my $fh, "<:utf8", cf::confdir . "/config"
2061 or return; 2360 or return;
2062 2361
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2367 $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}; 2368 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2369
2071 if (exists $CFG{mlockall}) { 2370 if (exists $CFG{mlockall}) {
2072 eval { 2371 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2372 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2373 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2374 };
2076 warn $@ if $@; 2375 warn $@ if $@;
2077 } 2376 }
2078} 2377}
2079 2378
2080sub main { 2379sub main {
2081 # we must not ever block the main coroutine 2380 # we must not ever block the main coroutine
2082 local $Coro::idle = sub { 2381 local $Coro::idle = sub {
2083 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async {
2084 async { Event::one_event }; 2384 Event::one_event;
2385 })->prio (Coro::PRIO_MAX);
2085 }; 2386 };
2086 2387
2087 cfg_load; 2388 cfg_load;
2088 db_load; 2389 db_init;
2089 load_extensions; 2390 load_extensions;
2391
2392 $TICK_WATCHER->start;
2090 Event::loop; 2393 Event::loop;
2091} 2394}
2092 2395
2093############################################################################# 2396#############################################################################
2094# initialisation 2397# initialisation and cleanup
2398
2399# install some emergency cleanup handlers
2400BEGIN {
2401 for my $signal (qw(INT HUP TERM)) {
2402 Event->signal (
2403 reentrant => 0,
2404 data => WF_AUTOCANCEL,
2405 signal => $signal,
2406 prio => 0,
2407 cb => sub {
2408 cf::cleanup "SIG$signal";
2409 },
2410 );
2411 }
2412}
2413
2414sub emergency_save() {
2415 my $freeze_guard = cf::freeze_mainloop;
2416
2417 warn "enter emergency perl save\n";
2418
2419 cf::sync_job {
2420 # use a peculiar iteration method to avoid tripping on perl
2421 # refcount bugs in for. also avoids problems with players
2422 # and maps saved/destroyed asynchronously.
2423 warn "begin emergency player save\n";
2424 for my $login (keys %cf::PLAYER) {
2425 my $pl = $cf::PLAYER{$login} or next;
2426 $pl->valid or next;
2427 $pl->save;
2428 }
2429 warn "end emergency player save\n";
2430
2431 warn "begin emergency map save\n";
2432 for my $path (keys %cf::MAP) {
2433 my $map = $cf::MAP{$path} or next;
2434 $map->valid or next;
2435 $map->save;
2436 }
2437 warn "end emergency map save\n";
2438
2439 warn "begin emergency database checkpoint\n";
2440 BDB::db_env_txn_checkpoint $DB_ENV;
2441 warn "end emergency database checkpoint\n";
2442 };
2443
2444 warn "leave emergency perl save\n";
2445}
2446
2447sub post_cleanup {
2448 my ($make_core) = @_;
2449
2450 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core;
2452}
2095 2453
2096sub reload() { 2454sub reload() {
2097 # can/must only be called in main 2455 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2456 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2457 warn "can only reload from main coroutine";
2100 return; 2458 return;
2101 } 2459 }
2102 2460
2103 warn "reloading..."; 2461 warn "reloading...";
2104 2462
2105 my $guard = freeze_mainloop; 2463 warn "entering sync_job";
2464
2465 cf::sync_job {
2466 cf::write_runtime; # external watchdog should not bark
2106 cf::emergency_save; 2467 cf::emergency_save;
2468 cf::write_runtime; # external watchdog should not bark
2107 2469
2108 eval { 2470 warn "syncing database to disk";
2471 BDB::db_env_txn_checkpoint $DB_ENV;
2472
2109 # if anything goes wrong in here, we should simply crash as we already saved 2473 # if anything goes wrong in here, we should simply crash as we already saved
2110 2474
2111 # cancel all watchers 2475 warn "cancelling all WF_AUTOCANCEL watchers";
2112 for (Event::all_watchers) { 2476 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2478 }
2115 2479
2480 warn "flushing outstanding aio requests";
2481 for (;;) {
2482 BDB::flush;
2483 IO::AIO::flush;
2484 Coro::cede;
2485 last unless IO::AIO::nreqs || BDB::nreqs;
2486 warn "iterate...";
2487 }
2488
2489 ++$RELOAD;
2490
2116 # cancel all extension coros 2491 warn "cancelling all extension coros";
2117 $_->cancel for values %EXT_CORO; 2492 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2493 %EXT_CORO = ();
2119 2494
2120 # unload all extensions 2495 warn "removing commands";
2121 for (@exts) { 2496 %COMMAND = ();
2497
2498 warn "removing ext commands";
2499 %EXTCMD = ();
2500
2501 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2503 warn "... unloading $pkg";
2123 unload_extension $_; 2504
2505 if (my $cb = $pkg->can ("unload")) {
2506 eval {
2507 $cb->($pkg);
2508 1
2509 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2510 }
2125 2511
2512 warn "... nuking $pkg";
2513 Symbol::delete_package $pkg;
2514 }
2515
2126 # unload all modules loaded from $LIBDIR 2516 warn "unloading all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2517 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2518 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2519
2130 warn "removing <$k>"; 2520 warn "... unloading $k";
2131 delete $INC{$k}; 2521 delete $INC{$k};
2132 2522
2133 $k =~ s/\.pm$//; 2523 $k =~ s/\.pm$//;
2134 $k =~ s/\//::/g; 2524 $k =~ s/\//::/g;
2135 2525
2138 } 2528 }
2139 2529
2140 Symbol::delete_package $k; 2530 Symbol::delete_package $k;
2141 } 2531 }
2142 2532
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2533 warn "getting rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2534 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2536
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2537 warn "unloading cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2538 delete $INC{"cf.pm"};
2156 2539
2157 # don't, removes xs symbols, too, 2540 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2541 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2542 #Symbol::delete_package __PACKAGE__;
2160 2543
2161 # reload cf.pm 2544 warn "unload completed, starting to reload now";
2545
2162 warn "reloading cf.pm"; 2546 warn "reloading cf.pm";
2163 require cf; 2547 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2549
2166 # load config and database again 2550 warn "loading config and database again";
2167 cf::cfg_load; 2551 cf::cfg_load;
2168 cf::db_load;
2169 2552
2170 # load extensions
2171 warn "load extensions"; 2553 warn "loading extensions";
2172 cf::load_extensions; 2554 cf::load_extensions;
2173 2555
2174 # reattach attachments to objects 2556 warn "reattaching attachments to objects/players";
2175 warn "reattach"; 2557 _global_reattach; # objects, sockets
2176 _global_reattach; 2558 warn "reattaching attachments to maps";
2177 reattach $_ for values %MAP; 2559 reattach $_ for values %MAP;
2178 }; 2560 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER;
2179 2562
2180 if ($@) { 2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job";
2567
2568 1
2569 } or do {
2181 warn $@; 2570 warn $@;
2182 warn "error while reloading, exiting."; 2571 warn "error while reloading, exiting.";
2183 exit 1; 2572 exit 1;
2184 } 2573 };
2185 2574
2186 warn "reloaded successfully"; 2575 warn "reloaded";
2187}; 2576};
2188 2577
2189############################################################################# 2578our $RELOAD_WATCHER; # used only during reload
2190
2191unless ($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} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2579
2234register_command "reload" => sub { 2580register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2581 my ($who, $arg) = @_;
2236 2582
2237 if ($who->flag (FLAG_WIZ)) { 2583 if ($who->flag (FLAG_WIZ)) {
2238 $who->message ("start of reload."); 2584 $who->message ("reloading server.");
2585
2586 # doing reload synchronously and two reloads happen back-to-back,
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2239 reload; 2594 reload;
2240 $who->message ("end of reload."); 2595 undef $RELOAD_WATCHER;
2596 },
2597 );
2241 } 2598 }
2242}; 2599};
2243 2600
2244unshift @INC, $LIBDIR; 2601unshift @INC, $LIBDIR;
2602
2603my $bug_warning = 0;
2245 2604
2246$TICK_WATCHER = Event->timer ( 2605$TICK_WATCHER = Event->timer (
2247 reentrant => 0, 2606 reentrant => 0,
2607 parked => 1,
2248 prio => 0, 2608 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2609 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2610 data => WF_AUTOCANCEL,
2251 cb => sub { 2611 cb => sub {
2612 if ($Coro::current != $Coro::main) {
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10;
2615 return;
2616 }
2617
2618 $NOW = Event::time;
2619
2252 cf::server_tick; # one server iteration 2620 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2621 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2622 $NEXT_TICK += $TICK;
2623
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10;
2626 Coro::async_pool {
2627 write_runtime
2628 or warn "ERROR: unable to write runtime file: $!";
2629 };
2630 }
2631
2632 $WAIT_FOR_TICK->broadcast;
2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2255 2637
2256 # if we are delayed by four ticks or more, skip them all 2638 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2640
2259 $TICK_WATCHER->at ($NEXT_TICK); 2641 $TICK_WATCHER->at ($NEXT_TICK);
2260 $TICK_WATCHER->start; 2642 $TICK_WATCHER->start;
2261 }, 2643 },
2262); 2644);
2263 2645
2646{
2264IO::AIO::max_poll_time $TICK * 0.2; 2647 BDB::max_poll_time $TICK * 0.1;
2265 2648 $BDB_POLL_WATCHER = Event->io (
2266Event->io ( 2649 reentrant => 0,
2267 fd => IO::AIO::poll_fileno, 2650 fd => BDB::poll_fileno,
2268 poll => 'r', 2651 poll => 'r',
2269 prio => 5, 2652 prio => 0,
2270 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb,
2272);
2273
2274Event->timer (
2275 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2276 after => 0, 2654 cb => \&BDB::poll_cb,
2277 interval => 10, 2655 );
2278 cb => sub { 2656 BDB::min_parallel 8;
2279 (Coro::unblock_sub { 2657
2280 write_runtime 2658 BDB::set_sync_prepare {
2281 or warn "ERROR: unable to write runtime file: $!"; 2659 my $status;
2660 my $current = $Coro::current;
2661 (
2662 sub {
2663 $status = $!;
2664 $current->ready; undef $current;
2665 },
2666 sub {
2667 Coro::schedule while defined $current;
2668 $! = $status;
2669 },
2670 )
2671 };
2672
2673 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create;
2675
2676 cf::sync_job {
2677 eval {
2678 BDB::db_env_open
2679 $DB_ENV,
2680 $BDB_ENV_DIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666;
2684
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 };
2690
2691 cf::cleanup "db_env_open(db): $@" if $@;
2282 })->(); 2692 };
2283 }, 2693 }
2284); 2694}
2695
2696{
2697 IO::AIO::min_parallel 8;
2698
2699 undef $Coro::AIO::WATCHER;
2700 IO::AIO::max_poll_time $TICK * 0.1;
2701 $AIO_POLL_WATCHER = Event->io (
2702 reentrant => 0,
2703 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno,
2705 poll => 'r',
2706 prio => 6,
2707 cb => \&IO::AIO::poll_cb,
2708 );
2709}
2285 2710
2286END { cf::emergency_save } 2711END { cf::emergency_save }
2287 2712
22881 27131
2289 2714

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines