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 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 26use YAML::Syck ();
27use IO::AIO 2.32 ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
27 37
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
30 40
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 42
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35our %COMMAND = (); 45our %COMMAND = ();
36our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
47
48our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 49our %EXTCMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps
38 52
53our $RELOAD; # number of reloads so far
39our @EVENT; 54our @EVENT;
40our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
41 56
42our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 61our $NEXT_TICK;
45our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
46 67
47our %CFG; 68our %CFG;
48 69
49our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 71our $RUNTIME;
51 72
73our %PLAYER; # all users
52our %MAP; # all maps 74our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 75our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 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
56 84
57binmode STDOUT; 85binmode STDOUT;
58binmode STDERR; 86binmode STDERR;
59 87
60# read virtual server time, if available 88# read virtual server time, if available
67mkdir cf::localdir; 95mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
72 101
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
76 105
77############################################################################# 106#############################################################################
78 107
79=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
80 109
104 133
105=item %cf::CFG 134=item %cf::CFG
106 135
107Configuration for the server, loaded from C</etc/crossfire/config>, or 136Configuration for the server, loaded from C</etc/crossfire/config>, or
108from 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.
109 145
110=back 146=back
111 147
112=cut 148=cut
113 149
117 utf8::encode $msg; 153 utf8::encode $msg;
118 154
119 $msg .= "\n" 155 $msg .= "\n"
120 unless $msg =~ /\n$/; 156 unless $msg =~ /\n$/;
121 157
122 LOG llevError, "cfperl: $msg"; 158 LOG llevError, $msg;
123 }; 159 };
124} 160}
125 161
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 181
146$Event::DIED = sub { 182$Event::DIED = sub {
147 warn "error in event callback: @_"; 183 warn "error in event callback: @_";
148}; 184};
149 185
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 186=head2 UTILITY FUNCTIONS
155 187
156=over 4 188=over 4
157 189
158=cut 190=item dumpval $ref
159 191
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
160use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161 214
162=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
163 216
164Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
165 218
166=cut
167
168sub from_json($) {
169 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170 JSON::Syck::Load $_[0]
171}
172
173=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
174 220
175Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
176
177=cut
178
179sub to_json($) {
180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181 JSON::Syck::Dump $_[0]
182}
183 222
184=item cf::lock_wait $string 223=item cf::lock_wait $string
185 224
186Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
187 226
224} 263}
225 264
226sub freeze_mainloop { 265sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
228 267
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
230 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
231 $guard 272 $guard
232} 273}
233 274
234=item cf::async { BLOCK } 275=item cf::async { BLOCK }
286 } 327 }
287} 328}
288 329
289=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
290 331
291Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
292extension calling this is being unloaded. 333extension calling this is being unloaded.
293 334
294=cut 335=cut
295 336
296sub async_ext(&) { 337sub async_ext(&) {
305 346
306 $coro 347 $coro
307} 348}
308 349
309sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
310 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
311 354
312 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313 or return; 356 or return;
314 357
358 my $value = $cf::RUNTIME + 90 + 10;
315 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
316 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
317 and return; 363 and return;
318 364
365 # always fsync - this file is important
319 aio_fsync $fh 366 aio_fsync $fh
320 and return; 367 and return;
321 368
322 close $fh 369 close $fh
323 or return; 370 or return;
326 and return; 373 and return;
327 374
328 1 375 1
329} 376}
330 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
331=back 389=back
332 390
333=cut 391=cut
334
335#############################################################################
336
337package cf::path;
338
339sub new {
340 my ($class, $path, $base) = @_;
341
342 $path = $path->as_string if ref $path;
343
344 my $self = bless { }, $class;
345
346 # {... are special paths that are not touched
347 # ?xxx/... are special absolute paths
348 # ?random/... random maps
349 # /! non-realised random map exit
350 # /... normal maps
351 # ~/... per-player maps without a specific player (DO NOT USE)
352 # ~user/... per-player map of a specific user
353
354 if ($path =~ /^{/) {
355 # fine as it is
356 } elsif ($path =~ s{^\?random/}{}) {
357 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358 $self->{random} = cf::from_json $data;
359 } else {
360 if ($path =~ s{^~([^/]+)?}{}) {
361 $self->{user_rel} = 1;
362
363 if (defined $1) {
364 $self->{user} = $1;
365 } elsif ($base =~ m{^~([^/]+)/}) {
366 $self->{user} = $1;
367 } else {
368 warn "cannot resolve user-relative path without user <$path,$base>\n";
369 }
370 } elsif ($path =~ /^\//) {
371 # already absolute
372 } else {
373 $base =~ s{[^/]+/?$}{};
374 return $class->new ("$base/$path");
375 }
376
377 for ($path) {
378 redo if s{/\.?/}{/};
379 redo if s{/[^/]+/\.\./}{/};
380 }
381 }
382
383 $self->{path} = $path;
384
385 $self
386}
387
388# the name / primary key / in-game path
389sub as_string {
390 my ($self) = @_;
391
392 $self->{user_rel} ? "~$self->{user}$self->{path}"
393 : $self->{random} ? "?random/$self->{path}"
394 : $self->{path}
395}
396
397# the displayed name, this is a one way mapping
398sub visible_name {
399 my ($self) = @_;
400
401# if (my $rmp = $self->{random}) {
402# # todo: be more intelligent about this
403# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404# } else {
405 $self->as_string
406# }
407}
408
409# escape the /'s in the path
410sub _escaped_path {
411 # ∕ is U+2215
412 (my $path = $_[0]{path}) =~ s/\//∕/g;
413 $path
414}
415
416# the original (read-only) location
417sub load_path {
418 my ($self) = @_;
419
420 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421}
422
423# the temporary/swap location
424sub save_path {
425 my ($self) = @_;
426
427 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430}
431
432# the unique path, might be eq to save_path
433sub uniq_path {
434 my ($self) = @_;
435
436 $self->{user_rel} || $self->{random}
437 ? undef
438 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439}
440
441# return random map parameters, or undef
442sub random_map_params {
443 my ($self) = @_;
444
445 $self->{random}
446}
447
448# this is somewhat ugly, but style maps do need special treatment
449sub is_style_map {
450 $_[0]{path} =~ m{^/styles/}
451}
452
453package cf;
454 392
455############################################################################# 393#############################################################################
456 394
457=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
458 396
584our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
585our @CB_MAP = (); 523our @CB_MAP = ();
586 524
587my %attachment; 525my %attachment;
588 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
589sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
590 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
591 535
592 use sort 'stable'; 536 use sort 'stable';
593 537
764# object support 708# object support
765 709
766sub reattach { 710sub reattach {
767 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769 715
770 my $registry = $obj->registry; 716 my $registry = $obj->registry;
771 717
772 @$registry = (); 718 @$registry = ();
773 719
820 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
821 767
822 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
824 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
826 close $fh; 772 close $fh;
827 773
828 if (@$objs) { 774 if (@$objs) {
829 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) {
830 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
831 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
832 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
833 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
834 close $fh; 780 close $fh;
835 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
836 } 782 }
837 } else { 783 } else {
838 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
905=cut 851=cut
906 852
907sub register_extcmd { 853sub register_extcmd {
908 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
909 855
910 my $caller = caller;
911 #warn "registering extcmd '$name' to '$caller'";
912
913 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
914} 857}
915 858
916cf::player->attach ( 859cf::player->attach (
917 on_command => sub { 860 on_command => sub {
918 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
931 874
932 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
933 876
934 if (ref $msg) { 877 if (ref $msg) {
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
937 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
938 } 881 }
939 } 882 }
940 } else { 883 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 886
944 cf::override; 887 cf::override;
945 }, 888 },
946); 889);
947 890
948sub register {
949 my ($base, $pkg) = @_;
950
951 #TODO
952}
953
954sub load_extension { 891sub load_extension {
955 my ($path) = @_; 892 my ($path) = @_;
956 893
957 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
958 my $base = $1; 895 my $base = $1;
959 my $pkg = $1; 896 my $pkg = $1;
960 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
961 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
962 899
963 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
964 901
965 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
966 or die "$path: $!"; 903 or die "$path: $!";
967 904
968 my $source = 905 my $source =
969 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
970 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
971 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
972 . "\n};\n1"; 909 . "\n};\n1";
973 910
974 eval $source 911 unless (eval $source) {
975 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
976 : "extension disabled.\n"; 913 : "extension disabled.\n";
977 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978 push @exts, $pkg; 915 warn $@;
979 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
980 917 exit 1;
981# no strict 'refs'; 918 }
982# @{"$pkg\::ISA"} = ext::; 919 die $@;
983
984 register $base, $pkg;
985}
986
987sub unload_extension {
988 my ($pkg) = @_;
989
990 warn "removing extension $pkg\n";
991
992 # remove hooks
993 #TODO
994# for my $idx (0 .. $#PLUGIN_EVENT) {
995# delete $hook[$idx]{$pkg};
996# } 920 }
997 921
998 # remove commands 922 push @EXTS, $pkg;
999 for my $name (keys %COMMAND) {
1000 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002 if (@cb) {
1003 $COMMAND{$name} = \@cb;
1004 } else {
1005 delete $COMMAND{$name};
1006 }
1007 }
1008
1009 # remove extcmds
1010 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011 delete $EXTCMD{$name};
1012 }
1013
1014 if (my $cb = $pkg->can ("unload")) {
1015 eval {
1016 $cb->($pkg);
1017 1
1018 } or warn "$pkg unloaded, but with errors: $@";
1019 }
1020
1021 Symbol::delete_package $pkg;
1022} 923}
1023 924
1024sub load_extensions { 925sub load_extensions {
1025 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1026 next unless -r $ext; 927 next unless -r $ext;
1030 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1031 } 932 }
1032} 933}
1033 934
1034############################################################################# 935#############################################################################
1035# load/save/clean perl data associated with a map
1036
1037*cf::mapsupport::on_clean = sub {
1038 my ($map) = @_;
1039
1040 my $path = $map->tmpname;
1041 defined $path or return;
1042
1043 unlink "$path.pst";
1044};
1045
1046cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048#############################################################################
1049# load/save perl data associated with player->ob objects
1050
1051sub all_objects(@) {
1052 @_, map all_objects ($_->inv), @_
1053}
1054
1055# TODO: compatibility cruft, remove when no longer needed
1056cf::player->attach (
1057 on_load => sub {
1058 my ($pl, $path) = @_;
1059
1060 for my $o (all_objects $pl->ob) {
1061 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062 $o->set_ob_key_value ("_perl_data");
1063
1064 %$o = %{ Storable::thaw pack "H*", $value };
1065 }
1066 }
1067 },
1068);
1069
1070#############################################################################
1071 936
1072=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1073 938
1074Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1075 940
941=cut
942
943package cf::player;
944
945use Coro::AIO;
946
1076=head3 cf::player 947=head3 cf::player
1077 948
1078=over 4 949=over 4
1079 950
1080=item cf::player::exists $login 951=item cf::player::find $login
1081 952
1082Returns true when the given account exists. 953Returns the given player object, loading it if necessary (might block).
1083 954
1084=cut 955=cut
1085 956
1086sub cf::player::exists($) { 957sub playerdir($) {
1087 cf::player::find $_[0] 958 cf::localdir
1088 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1089} 963}
1090 964
965sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967
968 (playerdir $login) . "/$login.pl"
969}
970
971sub find_active($) {
972 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active
974 and $cf::PLAYER{$_[0]}
975}
976
977sub exists($) {
978 my ($login) = @_;
979
980 $cf::PLAYER{$login}
981 or cf::sync_job { !aio_stat path $login }
982}
983
984sub find($) {
985 return $cf::PLAYER{$_[0]} || do {
986 my $login = $_[0];
987
988 my $guard = cf::lock_acquire "user_find:$login";
989
990 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login
992 or return;
993 $cf::PLAYER{$login} = $pl
994 }
995 }
996}
997
998sub save($) {
999 my ($pl) = @_;
1000
1001 return if $pl->{deny_save};
1002
1003 my $path = path $pl;
1004 my $guard = cf::lock_acquire "user_save:$path";
1005
1006 return if $pl->{deny_save};
1007
1008 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME;
1010
1011 $pl->save_pl ($path);
1012 Coro::cede;
1013}
1014
1015sub new($) {
1016 my ($login) = @_;
1017
1018 my $self = create;
1019
1020 $self->ob->name ($login);
1021 $self->{deny_save} = 1;
1022
1023 $cf::PLAYER{$login} = $self;
1024
1025 $self
1026}
1027
1028=item $pl->quit_character
1029
1030Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time.
1032
1033=cut
1034
1035sub quit_character {
1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1039
1040 $pl->{deny_save} = 1;
1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1042
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns;
1047
1048 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1050 aio_rename $path, $temp;
1051 delete $cf::PLAYER{$pl->ob->name};
1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1074}
1075
1076=item cf::player::list_logins
1077
1078Returns am arrayref of all valid playernames in the system, can take a
1079while and may block, so not sync_job-capable, ever.
1080
1081=cut
1082
1083sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1085 or return [];
1086
1087 my @logins;
1088
1089 for my $login (@$dirs) {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag
1093
1094 utf8::decode $login;
1095 push @logins, $login;
1096 }
1097
1098 \@logins
1099}
1100
1101=item $player->maps
1102
1103Returns an arrayref of map paths that are private for this
1104player. May block.
1105
1106=cut
1107
1108sub maps($) {
1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1112
1113 my $files = aio_readdir playerdir $pl
1114 or return;
1115
1116 my @paths;
1117
1118 for (@$files) {
1119 utf8::decode $_;
1120 next if /\.(?:pl|pst)$/;
1121 next unless /^$PATH_SEP/o;
1122
1123 push @paths, cf::map::normalise "~$pl/$_";
1124 }
1125
1126 \@paths
1127}
1128
1091=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, %msg)
1092 1130
1093Sends an ext reply to the player. 1131Sends an ext reply to the player.
1094 1132
1095=cut 1133=cut
1096 1134
1097sub cf::player::ext_reply($$$%) { 1135sub ext_reply($$%) {
1098 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1099 1137
1100 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1101 1139
1102 $self->send ("ext " . to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1103} 1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 $self->ns->ext_event ($type, %msg);
1153}
1154
1155package cf;
1104 1156
1105=back 1157=back
1106 1158
1107 1159
1108=head3 cf::map 1160=head3 cf::map
1114package cf::map; 1166package cf::map;
1115 1167
1116use Fcntl; 1168use Fcntl;
1117use Coro::AIO; 1169use Coro::AIO;
1118 1170
1171use overload
1172 '""' => \&as_string,
1173 fallback => 1;
1174
1119our $MAX_RESET = 3600; 1175our $MAX_RESET = 3600;
1120our $DEFAULT_RESET = 3000; 1176our $DEFAULT_RESET = 3000;
1121 1177
1122sub generate_random_map { 1178sub generate_random_map {
1123 my ($path, $rmp) = @_; 1179 my ($self, $rmp) = @_;
1124
1125 # mit "rum" bekleckern, nicht 1180 # mit "rum" bekleckern, nicht
1126 cf::map::_create_random_map 1181 $self->_create_random_map (
1127 $path,
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{exit_on_final_map}, 1185 $rmp->{exit_on_final_map},
1132 $rmp->{xsize}, $rmp->{ysize}, 1186 $rmp->{xsize}, $rmp->{ysize},
1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1187 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1188 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1189 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1190 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1191 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}) 1192 (cf::region::find $rmp->{region}), $rmp->{custom}
1193 )
1194}
1195
1196=item cf::map->register ($regex, $prio)
1197
1198Register a handler for the map path matching the given regex at the
1199givne priority (higher is better, built-in handlers have priority 0, the
1200default).
1201
1202=cut
1203
1204sub register {
1205 my (undef, $regex, $prio) = @_;
1206 my $pkg = caller;
1207
1208 no strict;
1209 push @{"$pkg\::ISA"}, __PACKAGE__;
1210
1211 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1212}
1213
1214# also paths starting with '/'
1215$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1216
1217sub thawer_merge {
1218 my ($self, $merge) = @_;
1219
1220 # we have to keep some variables in memory intact
1221 local $self->{path};
1222 local $self->{load_path};
1223 local $self->{deny_save};
1224 local $self->{deny_reset};
1225
1226 $self->SUPER::thawer_merge ($merge);
1227}
1228
1229sub normalise {
1230 my ($path, $base) = @_;
1231
1232 $path = "$path"; # make sure its a string
1233
1234 $path =~ s/\.map$//;
1235
1236 # map plan:
1237 #
1238 # /! non-realised random map exit (special hack!)
1239 # {... are special paths that are not being touched
1240 # ?xxx/... are special absolute paths
1241 # ?random/... random maps
1242 # /... normal maps
1243 # ~user/... per-player map of a specific user
1244
1245 $path =~ s/$PATH_SEP/\//go;
1246
1247 # treat it as relative path if it starts with
1248 # something that looks reasonable
1249 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1250 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1251
1252 $base =~ s{[^/]+/?$}{};
1253 $path = "$base/$path";
1254 }
1255
1256 for ($path) {
1257 redo if s{//}{/};
1258 redo if s{/\.?/}{/};
1259 redo if s{/[^/]+/\.\./}{/};
1260 }
1261
1262 $path
1263}
1264
1265sub new_from_path {
1266 my (undef, $path, $base) = @_;
1267
1268 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1269
1270 $path = normalise $path, $base;
1271
1272 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1273 if ($path =~ $EXT_MAP{$pkg}[1]) {
1274 my $self = bless cf::map::new, $pkg;
1275 $self->{path} = $path; $self->path ($path);
1276 $self->init; # pass $1 etc.
1277 return $self;
1278 }
1279 }
1280
1281 Carp::carp "unable to resolve path '$path' (base '$base').";
1282 ()
1283}
1284
1285sub init {
1286 my ($self) = @_;
1287
1288 $self
1289}
1290
1291sub as_string {
1292 my ($self) = @_;
1293
1294 "$self->{path}"
1295}
1296
1297# the displayed name, this is a one way mapping
1298sub visible_name {
1299 &as_string
1300}
1301
1302# the original (read-only) location
1303sub load_path {
1304 my ($self) = @_;
1305
1306 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1307}
1308
1309# the temporary/swap location
1310sub save_path {
1311 my ($self) = @_;
1312
1313 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1315}
1316
1317# the unique path, undef == no special unique path
1318sub uniq_path {
1319 my ($self) = @_;
1320
1321 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139} 1323}
1140 1324
1141# and all this just because we cannot iterate over 1325# and all this just because we cannot iterate over
1142# all maps in C++... 1326# all maps in C++...
1143sub change_all_map_light { 1327sub change_all_map_light {
1145 1329
1146 $_->change_map_light ($change) 1330 $_->change_map_light ($change)
1147 for grep $_->outdoor, values %cf::MAP; 1331 for grep $_->outdoor, values %cf::MAP;
1148} 1332}
1149 1333
1334sub unlink_save {
1335 my ($self) = @_;
1336
1337 utf8::encode (my $save = $self->save_path);
1338 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1339 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1340}
1341
1150sub try_load_header($) { 1342sub load_header_from($) {
1151 my ($path) = @_; 1343 my ($self, $path) = @_;
1152 1344
1153 utf8::encode $path; 1345 utf8::encode $path;
1154 aio_open $path, O_RDONLY, 0 1346 #aio_open $path, O_RDONLY, 0
1347 # or return;
1348
1349 $self->_load_header ($path)
1155 or return; 1350 or return;
1156 1351
1157 my $map = cf::map::new 1352 $self->{load_path} = $path;
1353
1354 1
1355}
1356
1357sub load_header_orig {
1358 my ($self) = @_;
1359
1360 $self->load_header_from ($self->load_path)
1361}
1362
1363sub load_header_temp {
1364 my ($self) = @_;
1365
1366 $self->load_header_from ($self->save_path)
1367}
1368
1369sub prepare_temp {
1370 my ($self) = @_;
1371
1372 $self->last_access ((delete $self->{last_access})
1373 || $cf::RUNTIME); #d#
1374 # safety
1375 $self->{instantiate_time} = $cf::RUNTIME
1376 if $self->{instantiate_time} > $cf::RUNTIME;
1377}
1378
1379sub prepare_orig {
1380 my ($self) = @_;
1381
1382 $self->{load_original} = 1;
1383 $self->{instantiate_time} = $cf::RUNTIME;
1384 $self->last_access ($cf::RUNTIME);
1385 $self->instantiate;
1386}
1387
1388sub load_header {
1389 my ($self) = @_;
1390
1391 if ($self->load_header_temp) {
1392 $self->prepare_temp;
1393 } else {
1394 $self->load_header_orig
1158 or return; 1395 or return;
1396 $self->prepare_orig;
1397 }
1159 1398
1160 # for better error messages only, will be overwritten 1399 1
1161 $map->path ($path);
1162
1163 $map->load_header ($path)
1164 or return;
1165
1166 $map->{load_path} = $path;
1167
1168 $map
1169} 1400}
1170 1401
1171sub find; 1402sub find;
1172sub find { 1403sub find {
1173 my ($path, $origin) = @_; 1404 my ($path, $origin) = @_;
1174 1405
1175 #warn "find<$path,$origin>\n";#d#
1176
1177 $path = new cf::path $path, $origin && $origin->path; 1406 $path = normalise $path, $origin && $origin->path;
1178 my $key = $path->as_string;
1179 1407
1180 cf::lock_wait "map_find:$key"; 1408 cf::lock_wait "map_find:$path";
1181 1409
1182 $cf::MAP{$key} || do { 1410 $cf::MAP{$path} || do {
1183 my $guard = cf::lock_acquire "map_find:$key"; 1411 my $guard = cf::lock_acquire "map_find:$path";
1184 1412 my $map = new_from_path cf::map $path
1185 # do it the slow way
1186 my $map = try_load_header $path->save_path;
1187
1188 Coro::cede;
1189
1190 if ($map) {
1191 $map->last_access ((delete $map->{last_access})
1192 || $cf::RUNTIME); #d#
1193 # safety
1194 $map->{instantiate_time} = $cf::RUNTIME
1195 if $map->{instantiate_time} > $cf::RUNTIME;
1196 } else {
1197 if (my $rmp = $path->random_map_params) {
1198 $map = generate_random_map $key, $rmp;
1199 } else {
1200 $map = try_load_header $path->load_path;
1201 }
1202
1203 $map or return; 1413 or return;
1204 1414
1205 $map->{load_original} = 1;
1206 $map->{instantiate_time} = $cf::RUNTIME;
1207 $map->last_access ($cf::RUNTIME);
1208 $map->instantiate;
1209
1210 # per-player maps become, after loading, normal maps
1211 $map->per_player (0) if $path->{user_rel};
1212 }
1213
1214 $map->path ($key);
1215 $map->{path} = $path;
1216 $map->{last_save} = $cf::RUNTIME; 1415 $map->{last_save} = $cf::RUNTIME;
1217 1416
1218 Coro::cede; 1417 $map->load_header
1418 or return;
1219 1419
1220 if ($map->should_reset) { 1420 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1421 # doing this can freeze the server in a sync job, obviously
1422 #$cf::WAIT_FOR_TICK->wait;
1221 $map->reset; 1423 $map->reset;
1222 undef $guard; 1424 undef $guard;
1223 $map = find $path 1425 return find $path;
1224 or return;
1225 } 1426 }
1226 1427
1227 $cf::MAP{$key} = $map 1428 $cf::MAP{$path} = $map
1228 } 1429 }
1229} 1430}
1431
1432sub pre_load { }
1433sub post_load { }
1230 1434
1231sub load { 1435sub load {
1232 my ($self) = @_; 1436 my ($self) = @_;
1233 1437
1438 local $self->{deny_reset} = 1; # loading can take a long time
1439
1234 my $path = $self->{path}; 1440 my $path = $self->{path};
1235 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1441 my $guard = cf::lock_acquire "map_load:$path";
1236 1442
1237 return if $self->in_memory != cf::MAP_SWAPPED; 1443 return if $self->in_memory != cf::MAP_SWAPPED;
1238 1444
1239 $self->in_memory (cf::MAP_LOADING); 1445 $self->in_memory (cf::MAP_LOADING);
1240 1446
1241 $self->alloc; 1447 $self->alloc;
1448
1449 $self->pre_load;
1450
1242 $self->load_objects ($self->{load_path}, 1) 1451 $self->_load_objects ($self->{load_path}, 1)
1243 or return; 1452 or return;
1244 1453
1245 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246 if delete $self->{load_original}; 1455 if delete $self->{load_original};
1247 1456
1248 if (my $uniq = $path->uniq_path) { 1457 if (my $uniq = $self->uniq_path) {
1249 utf8::encode $uniq; 1458 utf8::encode $uniq;
1250 if (aio_open $uniq, O_RDONLY, 0) { 1459 if (aio_open $uniq, O_RDONLY, 0) {
1251 $self->clear_unique_items; 1460 $self->clear_unique_items;
1252 $self->load_objects ($uniq, 0); 1461 $self->_load_objects ($uniq, 0);
1253 } 1462 }
1254 } 1463 }
1255 1464
1256 Coro::cede; 1465 Coro::cede;
1257 1466
1258 # now do the right thing for maps 1467 # now do the right thing for maps
1259 $self->link_multipart_objects; 1468 $self->link_multipart_objects;
1260 1469
1261 if ($self->{path}->is_style_map) { 1470 unless ($self->{deny_activate}) {
1262 $self->{deny_save} = 1; 1471 $self->decay_objects;
1263 $self->{deny_reset} = 1;
1264 } else {
1265 $self->fix_auto_apply; 1472 $self->fix_auto_apply;
1266 $self->decay_objects;
1267 $self->update_buttons; 1473 $self->update_buttons;
1474 Coro::cede;
1268 $self->set_darkness_map; 1475 $self->set_darkness_map;
1269 $self->difficulty ($self->estimate_difficulty) 1476 $self->difficulty ($self->estimate_difficulty)
1270 unless $self->difficulty; 1477 unless $self->difficulty;
1478 Coro::cede;
1271 $self->activate; 1479 $self->activate;
1272 } 1480 }
1273 1481
1274 Coro::cede; 1482 $self->post_load;
1275 1483
1276 $self->in_memory (cf::MAP_IN_MEMORY); 1484 $self->in_memory (cf::MAP_IN_MEMORY);
1485}
1486
1487sub customise_for {
1488 my ($self, $ob) = @_;
1489
1490 return find "~" . $ob->name . "/" . $self->{path}
1491 if $self->per_player;
1492
1493 $self
1494}
1495
1496# find and load all maps in the 3x3 area around a map
1497sub load_diag {
1498 my ($map) = @_;
1499
1500 my @diag; # diagonal neighbours
1501
1502 for (0 .. 3) {
1503 my $neigh = $map->tile_path ($_)
1504 or next;
1505 $neigh = find $neigh, $map
1506 or next;
1507 $neigh->load;
1508
1509 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1511 }
1512
1513 for (@diag) {
1514 my $neigh = find @$_
1515 or next;
1516 $neigh->load;
1517 }
1277} 1518}
1278 1519
1279sub find_sync { 1520sub find_sync {
1280 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1281 1522
1282 cf::sync_job { cf::map::find $path, $origin } 1523 cf::sync_job { find $path, $origin }
1283} 1524}
1284 1525
1285sub do_load_sync { 1526sub do_load_sync {
1286 my ($map) = @_; 1527 my ($map) = @_;
1287 1528
1288 cf::sync_job { $map->load }; 1529 cf::sync_job { $map->load };
1289} 1530}
1290 1531
1532our %MAP_PREFETCH;
1533our $MAP_PREFETCHER = undef;
1534
1535sub find_async {
1536 my ($path, $origin) = @_;
1537
1538 $path = normalise $path, $origin && $origin->{path};
1539
1540 if (my $map = $cf::MAP{$path}) {
1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1542 }
1543
1544 undef $MAP_PREFETCH{$path};
1545 $MAP_PREFETCHER ||= cf::async {
1546 while (%MAP_PREFETCH) {
1547 for my $path (keys %MAP_PREFETCH) {
1548 my $map = find $path
1549 or next;
1550 $map->load;
1551
1552 delete $MAP_PREFETCH{$path};
1553 }
1554 }
1555 undef $MAP_PREFETCHER;
1556 };
1557 $MAP_PREFETCHER->prio (6);
1558
1559 ()
1560}
1561
1291sub save { 1562sub save {
1292 my ($self) = @_; 1563 my ($self) = @_;
1293 1564
1294 my $lock = cf::lock_acquire "map_data:" . $self->path; 1565 my $lock = cf::lock_acquire "map_data:" . $self->path;
1295 1566
1296 $self->{last_save} = $cf::RUNTIME; 1567 $self->{last_save} = $cf::RUNTIME;
1297 1568
1298 return unless $self->dirty; 1569 return unless $self->dirty;
1299 1570
1300 my $save = $self->{path}->save_path; utf8::encode $save; 1571 my $save = $self->save_path; utf8::encode $save;
1301 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1572 my $uniq = $self->uniq_path; utf8::encode $uniq;
1302 1573
1303 $self->{load_path} = $save; 1574 $self->{load_path} = $save;
1304 1575
1305 return if $self->{deny_save}; 1576 return if $self->{deny_save};
1306 1577
1307 local $self->{last_access} = $self->last_access;#d# 1578 local $self->{last_access} = $self->last_access;#d#
1308 1579
1580 cf::async {
1581 $_->contr->save for $self->players;
1582 };
1583
1309 if ($uniq) { 1584 if ($uniq) {
1310 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311 $self->save_objects ($uniq, cf::IO_UNIQUES); 1586 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1312 } else { 1587 } else {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1588 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314 } 1589 }
1315} 1590}
1316 1591
1317sub swap_out { 1592sub swap_out {
1318 my ($self) = @_; 1593 my ($self) = @_;
1332 1607
1333sub reset_at { 1608sub reset_at {
1334 my ($self) = @_; 1609 my ($self) = @_;
1335 1610
1336 # TODO: safety, remove and allow resettable per-player maps 1611 # TODO: safety, remove and allow resettable per-player maps
1337 return 1e99 if $self->{path}{user_rel}; 1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1338 return 1e99 if $self->{deny_reset}; 1613 return 1e99 if $self->{deny_reset};
1339 1614
1340 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342 1617
1347 my ($self) = @_; 1622 my ($self) = @_;
1348 1623
1349 $self->reset_at <= $cf::RUNTIME 1624 $self->reset_at <= $cf::RUNTIME
1350} 1625}
1351 1626
1352sub unlink_save {
1353 my ($self) = @_;
1354
1355 utf8::encode (my $save = $self->{path}->save_path);
1356 aioreq_pri 3; IO::AIO::aio_unlink $save;
1357 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358}
1359
1360sub rename {
1361 my ($self, $new_path) = @_;
1362
1363 $self->unlink_save;
1364
1365 delete $cf::MAP{$self->path};
1366 $self->{path} = new cf::path $new_path;
1367 $self->path ($self->{path}->as_string);
1368 $cf::MAP{$self->path} = $self;
1369
1370 $self->save;
1371}
1372
1373sub reset { 1627sub reset {
1374 my ($self) = @_; 1628 my ($self) = @_;
1375 1629
1376 my $lock = cf::lock_acquire "map_data:" . $self->path; 1630 my $lock = cf::lock_acquire "map_data:$self->{path}";
1377 1631
1378 return if $self->players; 1632 return if $self->players;
1379 return if $self->{path}{user_rel};#d# 1633 return if $self->isa ("ext::map_per_player");#d#
1380 1634
1381 warn "resetting map ", $self->path;#d# 1635 warn "resetting map ", $self->path;#d#
1382 1636
1637 $self->in_memory (cf::MAP_SWAPPED);
1638
1639 # need to save uniques path
1640 unless ($self->{deny_save}) {
1641 my $uniq = $self->uniq_path; utf8::encode $uniq;
1642
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1644 if $uniq;
1645 }
1646
1383 delete $cf::MAP{$self->path}; 1647 delete $cf::MAP{$self->path};
1648
1649 $self->clear;
1384 1650
1385 $_->clear_links_to ($self) for values %cf::MAP; 1651 $_->clear_links_to ($self) for values %cf::MAP;
1386 1652
1387 $self->unlink_save; 1653 $self->unlink_save;
1388 $self->destroy; 1654 $self->destroy;
1391my $nuke_counter = "aaaa"; 1657my $nuke_counter = "aaaa";
1392 1658
1393sub nuke { 1659sub nuke {
1394 my ($self) = @_; 1660 my ($self) = @_;
1395 1661
1662 delete $cf::MAP{$self->path};
1663
1664 $self->unlink_save;
1665
1666 bless $self, "cf::map";
1667 delete $self->{deny_reset};
1396 $self->{deny_save} = 1; 1668 $self->{deny_save} = 1;
1397 $self->reset_timeout (1); 1669 $self->reset_timeout (1);
1398 $self->rename ("{nuke}/" . ($nuke_counter++)); 1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671
1672 $cf::MAP{$self->path} = $self;
1673
1399 $self->reset; # polite request, might not happen 1674 $self->reset; # polite request, might not happen
1400} 1675}
1401 1676
1402sub customise_for { 1677=item cf::map::unique_maps
1403 my ($map, $ob) = @_;
1404 1678
1405 if ($map->per_player) { 1679Returns an arrayref of paths of all shared maps that have
1406 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1680instantiated unique items. May block.
1407 }
1408 1681
1409 $map 1682=cut
1410}
1411 1683
1412sub emergency_save { 1684sub unique_maps() {
1413 my $freeze_guard = cf::freeze_mainloop; 1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1686 or return;
1414 1687
1415 warn "enter emergency map save\n"; 1688 my @paths;
1416 1689
1417 cf::sync_job { 1690 for (@$files) {
1418 warn "begin emergency map save\n"; 1691 utf8::decode $_;
1419 $_->save for values %cf::MAP; 1692 next if /\.pst$/;
1693 next unless /^$PATH_SEP/o;
1694
1695 push @paths, cf::map::normalise $_;
1420 }; 1696 }
1421 1697
1422 warn "end emergency map save\n"; 1698 \@paths
1423} 1699}
1424 1700
1425package cf; 1701package cf;
1426 1702
1427=back 1703=back
1428 1704
1705=head3 cf::object
1706
1707=cut
1708
1709package cf::object;
1710
1711=over 4
1712
1713=item $ob->inv_recursive
1714
1715Returns the inventory of the object _and_ their inventories, recursively.
1716
1717=cut
1718
1719sub inv_recursive_;
1720sub inv_recursive_ {
1721 map { $_, inv_recursive_ $_->inv } @_
1722}
1723
1724sub inv_recursive {
1725 inv_recursive_ inv $_[0]
1726}
1727
1728package cf;
1729
1730=back
1429 1731
1430=head3 cf::object::player 1732=head3 cf::object::player
1431 1733
1432=over 4 1734=over 4
1433 1735
1473 1775
1474=item $player_object->enter_link 1776=item $player_object->enter_link
1475 1777
1476Freezes the player and moves him/her to a special map (C<{link}>). 1778Freezes the player and moves him/her to a special map (C<{link}>).
1477 1779
1478The player should be reaosnably safe there for short amounts of time. You 1780The player should be reasonably safe there for short amounts of time. You
1479I<MUST> call C<leave_link> as soon as possible, though. 1781I<MUST> call C<leave_link> as soon as possible, though.
1480 1782
1783Will never block.
1784
1481=item $player_object->leave_link ($map, $x, $y) 1785=item $player_object->leave_link ($map, $x, $y)
1482 1786
1483Moves the player out of the specila link map onto the given map. If the 1787Moves the player out of the special C<{link}> map onto the specified
1484map is not valid (or omitted), the player will be moved back to the 1788map. If the map is not valid (or omitted), the player will be moved back
1485location he/she was before the call to C<enter_link>, or, if that fails, 1789to the location he/she was before the call to C<enter_link>, or, if that
1486to the emergency map position. 1790fails, to the emergency map position.
1487 1791
1488Might block. 1792Might block.
1489 1793
1490=cut 1794=cut
1795
1796sub link_map {
1797 unless ($LINK_MAP) {
1798 $LINK_MAP = cf::map::find "{link}"
1799 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1800 $LINK_MAP->load;
1801 }
1802
1803 $LINK_MAP
1804}
1491 1805
1492sub cf::object::player::enter_link { 1806sub cf::object::player::enter_link {
1493 my ($self) = @_; 1807 my ($self) = @_;
1494 1808
1495 $self->deactivate_recursive; 1809 $self->deactivate_recursive;
1496 1810
1497 return if $self->map == $LINK_MAP; 1811 return if UNIVERSAL::isa $self->map, "ext::map_link";
1498 1812
1499 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500 if $self->map; 1814 if $self->map;
1501 1815
1502 $self->enter_map ($LINK_MAP, 20, 20); 1816 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1503} 1817}
1504 1818
1505sub cf::object::player::leave_link { 1819sub cf::object::player::leave_link {
1506 my ($self, $map, $x, $y) = @_; 1820 my ($self, $map, $x, $y) = @_;
1507 1821
1525 # use -1 or undef as default coordinates, not 0, 0 1839 # use -1 or undef as default coordinates, not 0, 0
1526 ($x, $y) = ($map->enter_x, $map->enter_y) 1840 ($x, $y) = ($map->enter_x, $map->enter_y)
1527 if $x <=0 && $y <= 0; 1841 if $x <=0 && $y <= 0;
1528 1842
1529 $map->load; 1843 $map->load;
1844 $map->load_diag;
1530 1845
1846 return unless $self->contr->active;
1531 $self->activate_recursive; 1847 $self->activate_recursive;
1848
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532 $self->enter_map ($map, $x, $y); 1850 $self->enter_map ($map, $x, $y);
1533} 1851}
1534 1852
1535cf::player->attach ( 1853cf::player->attach (
1536 on_logout => sub { 1854 on_logout => sub {
1547 my ($pl) = @_; 1865 my ($pl) = @_;
1548 1866
1549 # try to abort aborted map switching on player login :) 1867 # try to abort aborted map switching on player login :)
1550 # should happen only on crashes 1868 # should happen only on crashes
1551 if ($pl->ob->{_link_pos}) { 1869 if ($pl->ob->{_link_pos}) {
1552
1553 $pl->ob->enter_link; 1870 $pl->ob->enter_link;
1554 (async { 1871 (async {
1555 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn
1557 $pl->ob->reply (undef, 1872 $pl->ob->reply (undef,
1558 "There was an internal problem at your last logout, " 1873 "There was an internal problem at your last logout, "
1559 . "the server will try to bring you to your intended destination in a second.", 1874 . "the server will try to bring you to your intended destination in a second.",
1560 cf::NDI_RED); 1875 cf::NDI_RED);
1876 # we need this sleep as the login has a concurrent enter_exit running
1877 # and this sleep increases chances of the player not ending up in scorn
1561 Coro::Timer::sleep 1; 1878 Coro::Timer::sleep 1;
1562 $pl->ob->leave_link; 1879 $pl->ob->leave_link;
1563 })->prio (2); 1880 })->prio (2);
1564 } 1881 }
1565 }, 1882 },
1573 my ($self, $path, $x, $y) = @_; 1890 my ($self, $path, $x, $y) = @_;
1574 1891
1575 $self->enter_link; 1892 $self->enter_link;
1576 1893
1577 (async { 1894 (async {
1578 $path = new cf::path $path; 1895 my $map = eval {
1579
1580 my $map = cf::map::find $path->as_string; 1896 my $map = cf::map::find $path;
1581 $map = $map->customise_for ($self) if $map; 1897 $map = $map->customise_for ($self) if $map;
1582 1898 $map
1583# warn "entering ", $map->path, " at ($x, $y)\n" 1899 } or
1584# if $map;
1585
1586 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1900 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587 1901
1588 $self->leave_link ($map, $x, $y); 1902 $self->leave_link ($map, $x, $y);
1589 })->prio (1); 1903 })->prio (1);
1590} 1904}
1591 1905
1595 1909
1596sub parse_random_map_params { 1910sub parse_random_map_params {
1597 my ($spec) = @_; 1911 my ($spec) = @_;
1598 1912
1599 my $rmp = { # defaults 1913 my $rmp = { # defaults
1600 xsize => 10, 1914 xsize => (cf::rndm 15, 40),
1601 ysize => 10, 1915 ysize => (cf::rndm 15, 40),
1916 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1917 #layout => string,
1602 }; 1918 };
1603 1919
1604 for (split /\n/, $spec) { 1920 for (split /\n/, $spec) {
1605 my ($k, $v) = split /\s+/, $_, 2; 1921 my ($k, $v) = split /\s+/, $_, 2;
1606 1922
1610 $rmp 1926 $rmp
1611} 1927}
1612 1928
1613sub prepare_random_map { 1929sub prepare_random_map {
1614 my ($exit) = @_; 1930 my ($exit) = @_;
1931
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1615 1933
1616 # all this does is basically replace the /! path by 1934 # all this does is basically replace the /! path by
1617 # a new random map path (?random/...) with a seed 1935 # a new random map path (?random/...) with a seed
1618 # that depends on the exit object 1936 # that depends on the exit object
1619 1937
1620 my $rmp = parse_random_map_params $exit->msg; 1938 my $rmp = parse_random_map_params $exit->msg;
1621 1939
1622 if ($exit->map) { 1940 if ($exit->map) {
1623 $rmp->{region} = $exit->map->region_name; 1941 $rmp->{region} = $exit->region->name;
1624 $rmp->{origin_map} = $exit->map->path; 1942 $rmp->{origin_map} = $exit->map->path;
1625 $rmp->{origin_x} = $exit->x; 1943 $rmp->{origin_x} = $exit->x;
1626 $rmp->{origin_y} = $exit->y; 1944 $rmp->{origin_y} = $exit->y;
1627 } 1945 }
1628 1946
1629 $rmp->{random_seed} ||= $exit->random_seed; 1947 $rmp->{random_seed} ||= $exit->random_seed;
1630 1948
1631 my $data = cf::to_json $rmp; 1949 my $data = cf::to_json $rmp;
1632 my $md5 = Digest::MD5::md5_hex $data; 1950 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633 1952
1634 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1953 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635 aio_write $fh, 0, (length $data), $data, 0; 1954 aio_write $fh, 0, (length $data), $data, 0;
1955 undef $fh;
1956 aio_rename "$meta~", $meta;
1636 1957
1637 $exit->slaying ("?random/$md5"); 1958 $exit->slaying ("?random/$md5");
1638 $exit->msg (undef); 1959 $exit->msg (undef);
1639 } 1960 }
1640} 1961}
1641 1962
1642sub cf::object::player::enter_exit { 1963sub cf::object::player::enter_exit {
1643 my ($self, $exit) = @_; 1964 my ($self, $exit) = @_;
1644 1965
1645 return unless $self->type == cf::PLAYER; 1966 return unless $self->type == cf::PLAYER;
1967
1968 if ($exit->slaying eq "/!") {
1969 #TODO: this should de-fi-ni-te-ly not be a sync-job
1970 # the problem is that $exit might not survive long enough
1971 # so it needs to be done right now, right here
1972 cf::sync_job { prepare_random_map $exit };
1973 }
1974
1975 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976 my $hp = $exit->stats->hp;
1977 my $sp = $exit->stats->sp;
1646 1978
1647 $self->enter_link; 1979 $self->enter_link;
1648 1980
1649 (async { 1981 (async {
1650 $self->deactivate_recursive; # just to be sure 1982 $self->deactivate_recursive; # just to be sure
1651 unless (eval { 1983 unless (eval {
1652 prepare_random_map $exit 1984 $self->goto ($slaying, $hp, $sp);
1653 if $exit->slaying eq "/!";
1654
1655 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657 1985
1658 1; 1986 1;
1659 }) { 1987 }) {
1660 $self->message ("Something went wrong deep within the crossfire server. " 1988 $self->message ("Something went wrong deep within the crossfire server. "
1661 . "I'll try to bring you back to the map you were before. " 1989 . "I'll try to bring you back to the map you were before. "
1662 . "Please report this to the dungeon master", 1990 . "Please report this to the dungeon master!",
1663 cf::NDI_UNIQUE | cf::NDI_RED); 1991 cf::NDI_UNIQUE | cf::NDI_RED);
1664 1992
1665 warn "ERROR in enter_exit: $@"; 1993 warn "ERROR in enter_exit: $@";
1666 $self->leave_link; 1994 $self->leave_link;
1667 } 1995 }
1668 })->prio (1); 1996 })->prio (1);
1681 2009
1682sub cf::client::send_drawinfo { 2010sub cf::client::send_drawinfo {
1683 my ($self, $text, $flags) = @_; 2011 my ($self, $text, $flags) = @_;
1684 2012
1685 utf8::encode $text; 2013 utf8::encode $text;
1686 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2014 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687} 2015}
1688 2016
2017=item $client->ext_event ($type, %msg)
2018
2019Sends an exti event to the client.
2020
2021=cut
2022
2023sub cf::client::ext_event($$%) {
2024 my ($self, $type, %msg) = @_;
2025
2026 $msg{msgtype} = "event_$type";
2027 $self->send_packet ("ext " . cf::to_json \%msg);
2028}
1689 2029
1690=item $success = $client->query ($flags, "text", \&cb) 2030=item $success = $client->query ($flags, "text", \&cb)
1691 2031
1692Queues a query to the client, calling the given callback with 2032Queues a query to the client, calling the given callback with
1693the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2033the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1722 # get handled first 2062 # get handled first
1723 my $queue = delete $ns->{query_queue} 2063 my $queue = delete $ns->{query_queue}
1724 or return; # be conservative, not sure how that can happen, but we saw a crash here 2064 or return; # be conservative, not sure how that can happen, but we saw a crash here
1725 2065
1726 (shift @$queue)->[1]->($msg); 2066 (shift @$queue)->[1]->($msg);
2067 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727 2068
1728 push @{ $ns->{query_queue} }, @$queue; 2069 push @{ $ns->{query_queue} }, @$queue;
1729 2070
1730 if (@{ $ns->{query_queue} } == @$queue) { 2071 if (@{ $ns->{query_queue} } == @$queue) {
1731 if (@$queue) { 2072 if (@$queue) {
1789 2130
1790# here we export the classes and methods available to script code 2131# here we export the classes and methods available to script code
1791 2132
1792=pod 2133=pod
1793 2134
1794The following fucntions and emthods are available within a safe environment: 2135The following functions and methods are available within a safe environment:
1795 2136
1796 cf::object contr pay_amount pay_player map 2137 cf::object contr pay_amount pay_player map
1797 cf::object::player player 2138 cf::object::player player
1798 cf::player peaceful 2139 cf::player peaceful
1799 cf::map trigger 2140 cf::map trigger
1892The parameter C<$family> should best start with the name of the extension 2233The parameter C<$family> should best start with the name of the extension
1893using it, it should be unique. 2234using it, it should be unique.
1894 2235
1895=over 4 2236=over 4
1896 2237
1897=item $hashref = cf::db_get $family
1898
1899Return a hashref for use by the extension C<$family>, which can be
1900modified. After modifications, you have to call C<cf::db_dirty> or
1901C<cf::db_sync>.
1902
1903=item $value = cf::db_get $family => $key 2238=item $value = cf::db_get $family => $key
1904 2239
1905Returns a single value from the database 2240Returns a single value from the database.
1906
1907=item cf::db_put $family => $hashref
1908
1909Stores the given family hashref into the database. Updates are delayed, if
1910you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911 2241
1912=item cf::db_put $family => $key => $value 2242=item cf::db_put $family => $key => $value
1913 2243
1914Stores the given C<$value> in the family hash. Updates are delayed, if you 2244Stores the given C<$value> in the family.
1915want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917=item cf::db_dirty
1918
1919Marks the database as dirty, to be updated at a later time.
1920
1921=item cf::db_sync
1922
1923Immediately write the database to disk I<if it is dirty>.
1924 2245
1925=cut 2246=cut
1926 2247
1927our $DB; 2248our $DB;
1928 2249
1929{ 2250sub db_init {
2251 unless ($DB) {
2252 $DB = BDB::db_create $DB_ENV;
2253
2254 cf::sync_job {
2255 eval {
2256 $DB->set_flags (BDB::CHKSUM);
2257
2258 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260 cf::cleanup "db_open(db): $!" if $!;
2261 };
2262 cf::cleanup "db_open(db): $@" if $@;
2263 };
2264
1930 my $path = cf::localdir . "/database.pst"; 2265 my $path = cf::localdir . "/database.pst";
2266 if (stat $path) {
2267 cf::sync_job {
2268 my $pst = Storable::retrieve $path;
1931 2269
1932 sub db_load() { 2270 cf::db_put (board => data => $pst->{board});
1933 $DB = stat $path ? Storable::retrieve $path : { }; 2271 cf::db_put (guildrules => data => $pst->{guildrules});
1934 } 2272 cf::db_put (rent => balance => $pst->{rent}{balance});
2273 BDB::db_env_txn_checkpoint $DB_ENV;
1935 2274
1936 my $pid; 2275 unlink $path;
1937
1938 sub db_save() {
1939 waitpid $pid, 0 if $pid;
1940 if (0 == ($pid = fork)) {
1941 $DB->{_meta}{version} = 1;
1942 Storable::nstore $DB, "$path~";
1943 rename "$path~", $path;
1944 cf::_exit 0 if defined $pid;
1945 } 2276 };
1946 } 2277 }
1947
1948 my $dirty;
1949
1950 sub db_sync() {
1951 db_save if $dirty;
1952 undef $dirty;
1953 }
1954
1955 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956 db_sync;
1957 }); 2278 }
2279}
1958 2280
1959 sub db_dirty() {
1960 $dirty = 1;
1961 $idle->start;
1962 }
1963
1964 sub db_get($;$) { 2281sub db_get($$) {
1965 @_ >= 2 2282 my $key = "$_[0]/$_[1]";
1966 ? $DB->{$_[0]}{$_[1]}
1967 : ($DB->{$_[0]} ||= { })
1968 }
1969 2283
2284 cf::sync_job {
2285 BDB::db_get $DB, undef, $key, my $data;
2286
2287 $! ? ()
2288 : Compress::LZF::sthaw $data
2289 }
2290}
2291
1970 sub db_put($$;$) { 2292sub db_put($$$) {
1971 if (@_ >= 3) { 2293 BDB::dbreq_pri 4;
1972 $DB->{$_[0]}{$_[1]} = $_[2]; 2294 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295}
2296
2297#############################################################################
2298# the server's init and main functions
2299
2300sub load_facedata {
2301 my $path = sprintf "%s/facedata", cf::datadir;
2302
2303 warn "loading facedata from $path\n";
2304
2305 my $faces;
2306 0 < aio_load $path, $faces
2307 or die "$path: $!";
2308
2309 Coro::cede;
2310 $faces = Storable::thaw $faces;
2311 Coro::cede;
2312
2313 my $meta = delete $faces->{""};
2314 $meta->{version} == 1
2315 or cf::cleanup "$path: version mismatch, cannot proceed.";
2316
2317 while (my ($face, $info) = each %$faces) {
2318 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2320 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2321 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2322 Coro::cede;
2323 }
2324
2325 while (my ($face, $info) = each %$faces) {
2326 next unless $info->{smooth};
2327 my $idx = cf::face::find $face
2328 or next;
2329 if (my $smooth = cf::face::find $info->{smooth}) {
2330 cf::face::set_smooth $idx, $smooth;
1973 } else { 2331 } else {
1974 $DB->{$_[0]} = $_[1]; 2332 warn "smooth face '$info->{smooth}' not found for face '$face'";
1975 }
1976 db_dirty;
1977 }
1978
1979 cf::global->attach (
1980 prio => 10000,
1981 on_cleanup => sub {
1982 db_sync;
1983 }, 2333 }
1984 ); 2334 Coro::cede;
1985} 2335 }
1986 2336
1987############################################################################# 2337 1
1988# the server's main() 2338}
2339
2340sub reload_resources {
2341 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2342 or die "unable to load regions file\n";#d#
2343 load_facedata
2344 or die "unable to load facedata\n";#d#
2345}
2346
2347sub init {
2348 reload_resources;
2349}
1989 2350
1990sub cfg_load { 2351sub cfg_load {
1991 open my $fh, "<:utf8", cf::confdir . "/config" 2352 open my $fh, "<:utf8", cf::confdir . "/config"
1992 or return; 2353 or return;
1993 2354
1999 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2360 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2361 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001 2362
2002 if (exists $CFG{mlockall}) { 2363 if (exists $CFG{mlockall}) {
2003 eval { 2364 eval {
2004 $CFG{mlockall} ? &mlockall : &munlockall 2365 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005 and die "WARNING: m(un)lockall failed: $!\n"; 2366 and die "WARNING: m(un)lockall failed: $!\n";
2006 }; 2367 };
2007 warn $@ if $@; 2368 warn $@ if $@;
2008 } 2369 }
2009} 2370}
2010 2371
2011sub main { 2372sub main {
2012 # we must not ever block the main coroutine 2373 # we must not ever block the main coroutine
2013 local $Coro::idle = sub { 2374 local $Coro::idle = sub {
2014 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2375 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376 (async {
2015 async { Event::one_event }; 2377 Event::one_event;
2378 })->prio (Coro::PRIO_MAX);
2016 }; 2379 };
2017 2380
2018 cfg_load; 2381 cfg_load;
2019 db_load; 2382 db_init;
2020 load_extensions; 2383 load_extensions;
2384
2385 $TICK_WATCHER->start;
2021 Event::loop; 2386 Event::loop;
2022} 2387}
2023 2388
2024############################################################################# 2389#############################################################################
2025# initialisation 2390# initialisation and cleanup
2391
2392# install some emergency cleanup handlers
2393BEGIN {
2394 for my $signal (qw(INT HUP TERM)) {
2395 Event->signal (
2396 reentrant => 0,
2397 data => WF_AUTOCANCEL,
2398 signal => $signal,
2399 prio => 0,
2400 cb => sub {
2401 cf::cleanup "SIG$signal";
2402 },
2403 );
2404 }
2405}
2406
2407sub emergency_save() {
2408 my $freeze_guard = cf::freeze_mainloop;
2409
2410 warn "enter emergency perl save\n";
2411
2412 cf::sync_job {
2413 # use a peculiar iteration method to avoid tripping on perl
2414 # refcount bugs in for. also avoids problems with players
2415 # and maps saved/destroyed asynchronously.
2416 warn "begin emergency player save\n";
2417 for my $login (keys %cf::PLAYER) {
2418 my $pl = $cf::PLAYER{$login} or next;
2419 $pl->valid or next;
2420 $pl->save;
2421 }
2422 warn "end emergency player save\n";
2423
2424 warn "begin emergency map save\n";
2425 for my $path (keys %cf::MAP) {
2426 my $map = $cf::MAP{$path} or next;
2427 $map->valid or next;
2428 $map->save;
2429 }
2430 warn "end emergency map save\n";
2431
2432 warn "begin emergency database checkpoint\n";
2433 BDB::db_env_txn_checkpoint $DB_ENV;
2434 warn "end emergency database checkpoint\n";
2435 };
2436
2437 warn "leave emergency perl save\n";
2438}
2439
2440sub post_cleanup {
2441 my ($make_core) = @_;
2442
2443 warn Carp::longmess "post_cleanup backtrace"
2444 if $make_core;
2445}
2026 2446
2027sub reload() { 2447sub reload() {
2028 # can/must only be called in main 2448 # can/must only be called in main
2029 if ($Coro::current != $Coro::main) { 2449 if ($Coro::current != $Coro::main) {
2030 warn "can only reload from main coroutine\n"; 2450 warn "can only reload from main coroutine";
2031 return; 2451 return;
2032 } 2452 }
2033 2453
2034 warn "reloading..."; 2454 warn "reloading...";
2035 2455
2036 my $guard = freeze_mainloop; 2456 warn "entering sync_job";
2457
2458 cf::sync_job {
2459 cf::write_runtime; # external watchdog should not bark
2037 cf::emergency_save; 2460 cf::emergency_save;
2461 cf::write_runtime; # external watchdog should not bark
2038 2462
2039 eval { 2463 warn "syncing database to disk";
2464 BDB::db_env_txn_checkpoint $DB_ENV;
2465
2040 # if anything goes wrong in here, we should simply crash as we already saved 2466 # if anything goes wrong in here, we should simply crash as we already saved
2041 2467
2042 # cancel all watchers 2468 warn "cancelling all WF_AUTOCANCEL watchers";
2043 for (Event::all_watchers) { 2469 for (Event::all_watchers) {
2044 $_->cancel if $_->data & WF_AUTOCANCEL; 2470 $_->cancel if $_->data & WF_AUTOCANCEL;
2045 } 2471 }
2046 2472
2473 warn "flushing outstanding aio requests";
2474 for (;;) {
2475 BDB::flush;
2476 IO::AIO::flush;
2477 Coro::cede;
2478 last unless IO::AIO::nreqs || BDB::nreqs;
2479 warn "iterate...";
2480 }
2481
2482 ++$RELOAD;
2483
2047 # cancel all extension coros 2484 warn "cancelling all extension coros";
2048 $_->cancel for values %EXT_CORO; 2485 $_->cancel for values %EXT_CORO;
2049 %EXT_CORO = (); 2486 %EXT_CORO = ();
2050 2487
2051 # unload all extensions 2488 warn "removing commands";
2052 for (@exts) { 2489 %COMMAND = ();
2490
2491 warn "removing ext commands";
2492 %EXTCMD = ();
2493
2494 warn "unloading/nuking all extensions";
2495 for my $pkg (@EXTS) {
2053 warn "unloading <$_>"; 2496 warn "... unloading $pkg";
2054 unload_extension $_; 2497
2498 if (my $cb = $pkg->can ("unload")) {
2499 eval {
2500 $cb->($pkg);
2501 1
2502 } or warn "$pkg unloaded, but with errors: $@";
2055 } 2503 }
2056 2504
2505 warn "... nuking $pkg";
2506 Symbol::delete_package $pkg;
2507 }
2508
2057 # unload all modules loaded from $LIBDIR 2509 warn "unloading all perl modules loaded from $LIBDIR";
2058 while (my ($k, $v) = each %INC) { 2510 while (my ($k, $v) = each %INC) {
2059 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060 2512
2061 warn "removing <$k>"; 2513 warn "... unloading $k";
2062 delete $INC{$k}; 2514 delete $INC{$k};
2063 2515
2064 $k =~ s/\.pm$//; 2516 $k =~ s/\.pm$//;
2065 $k =~ s/\//::/g; 2517 $k =~ s/\//::/g;
2066 2518
2069 } 2521 }
2070 2522
2071 Symbol::delete_package $k; 2523 Symbol::delete_package $k;
2072 } 2524 }
2073 2525
2074 # sync database to disk
2075 cf::db_sync;
2076 IO::AIO::flush;
2077
2078 # get rid of safe::, as good as possible 2526 warn "getting rid of safe::, as good as possible";
2079 Symbol::delete_package "safe::$_" 2527 Symbol::delete_package "safe::$_"
2080 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2528 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081 2529
2082 # remove register_script_function callbacks
2083 # TODO
2084
2085 # unload cf.pm "a bit" 2530 warn "unloading cf.pm \"a bit\"";
2086 delete $INC{"cf.pm"}; 2531 delete $INC{"cf.pm"};
2087 2532
2088 # don't, removes xs symbols, too, 2533 # don't, removes xs symbols, too,
2089 # and global variables created in xs 2534 # and global variables created in xs
2090 #Symbol::delete_package __PACKAGE__; 2535 #Symbol::delete_package __PACKAGE__;
2091 2536
2092 # reload cf.pm 2537 warn "unload completed, starting to reload now";
2538
2093 warn "reloading cf.pm"; 2539 warn "reloading cf.pm";
2094 require cf; 2540 require cf;
2095 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2541 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096 2542
2097 # load config and database again 2543 warn "loading config and database again";
2098 cf::cfg_load; 2544 cf::cfg_load;
2099 cf::db_load;
2100 2545
2101 # load extensions
2102 warn "load extensions"; 2546 warn "loading extensions";
2103 cf::load_extensions; 2547 cf::load_extensions;
2104 2548
2105 # reattach attachments to objects 2549 warn "reattaching attachments to objects/players";
2106 warn "reattach"; 2550 _global_reattach; # objects, sockets
2107 _global_reattach; 2551 warn "reattaching attachments to maps";
2108 }; 2552 reattach $_ for values %MAP;
2553 warn "reattaching attachments to players";
2554 reattach $_ for values %PLAYER;
2109 2555
2110 if ($@) { 2556 warn "loading reloadable resources";
2557 reload_resources;
2558
2559 warn "leaving sync_job";
2560
2561 1
2562 } or do {
2111 warn $@; 2563 warn $@;
2112 warn "error while reloading, exiting."; 2564 warn "error while reloading, exiting.";
2113 exit 1; 2565 exit 1;
2114 } 2566 };
2115 2567
2116 warn "reloaded successfully"; 2568 warn "reloaded";
2117}; 2569};
2118 2570
2119############################################################################# 2571our $RELOAD_WATCHER; # used only during reload
2120
2121unless ($LINK_MAP) {
2122 $LINK_MAP = cf::map::new;
2123
2124 $LINK_MAP->width (41);
2125 $LINK_MAP->height (41);
2126 $LINK_MAP->alloc;
2127 $LINK_MAP->path ("{link}");
2128 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131 # dirty hack because... archetypes are not yet loaded
2132 Event->timer (
2133 after => 2,
2134 cb => sub {
2135 $_[0]->w->cancel;
2136
2137 # provide some exits "home"
2138 my $exit = cf::object::new "exit";
2139
2140 $exit->slaying ($EMERGENCY_POSITION->[0]);
2141 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144 $LINK_MAP->insert ($exit->clone, 19, 19);
2145 $LINK_MAP->insert ($exit->clone, 19, 20);
2146 $LINK_MAP->insert ($exit->clone, 19, 21);
2147 $LINK_MAP->insert ($exit->clone, 20, 19);
2148 $LINK_MAP->insert ($exit->clone, 20, 21);
2149 $LINK_MAP->insert ($exit->clone, 21, 19);
2150 $LINK_MAP->insert ($exit->clone, 21, 20);
2151 $LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153 $exit->destroy;
2154 });
2155
2156 $LINK_MAP->{deny_save} = 1;
2157 $LINK_MAP->{deny_reset} = 1;
2158
2159 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160}
2161
2162register "<global>", __PACKAGE__;
2163 2572
2164register_command "reload" => sub { 2573register_command "reload" => sub {
2165 my ($who, $arg) = @_; 2574 my ($who, $arg) = @_;
2166 2575
2167 if ($who->flag (FLAG_WIZ)) { 2576 if ($who->flag (FLAG_WIZ)) {
2168 $who->message ("start of reload."); 2577 $who->message ("reloading server.");
2578
2579 # doing reload synchronously and two reloads happen back-to-back,
2580 # coro crashes during coro_state_free->destroy here.
2581
2582 $RELOAD_WATCHER ||= Event->timer (
2583 reentrant => 0,
2584 after => 0,
2585 data => WF_AUTOCANCEL,
2586 cb => sub {
2169 reload; 2587 reload;
2170 $who->message ("end of reload."); 2588 undef $RELOAD_WATCHER;
2589 },
2590 );
2171 } 2591 }
2172}; 2592};
2173 2593
2174unshift @INC, $LIBDIR; 2594unshift @INC, $LIBDIR;
2595
2596my $bug_warning = 0;
2175 2597
2176$TICK_WATCHER = Event->timer ( 2598$TICK_WATCHER = Event->timer (
2177 reentrant => 0, 2599 reentrant => 0,
2600 parked => 1,
2178 prio => 0, 2601 prio => 0,
2179 at => $NEXT_TICK || $TICK, 2602 at => $NEXT_TICK || $TICK,
2180 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2181 cb => sub { 2604 cb => sub {
2605 if ($Coro::current != $Coro::main) {
2606 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607 unless ++$bug_warning > 10;
2608 return;
2609 }
2610
2611 $NOW = Event::time;
2612
2182 cf::server_tick; # one server iteration 2613 cf::server_tick; # one server iteration
2183 $RUNTIME += $TICK; 2614 $RUNTIME += $TICK;
2184 $NEXT_TICK += $TICK; 2615 $NEXT_TICK += $TICK;
2616
2617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2619 Coro::async_pool {
2620 write_runtime
2621 or warn "ERROR: unable to write runtime file: $!";
2622 };
2623 }
2624
2625 $WAIT_FOR_TICK->broadcast;
2626 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628# my $AFTER = Event::time;
2629# warn $AFTER - $NOW;#d#
2185 2630
2186 # if we are delayed by four ticks or more, skip them all 2631 # if we are delayed by four ticks or more, skip them all
2187 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2632 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188 2633
2189 $TICK_WATCHER->at ($NEXT_TICK); 2634 $TICK_WATCHER->at ($NEXT_TICK);
2190 $TICK_WATCHER->start; 2635 $TICK_WATCHER->start;
2191 }, 2636 },
2192); 2637);
2193 2638
2639{
2194IO::AIO::max_poll_time $TICK * 0.2; 2640 BDB::max_poll_time $TICK * 0.1;
2195 2641 $BDB_POLL_WATCHER = Event->io (
2196Event->io ( 2642 reentrant => 0,
2197 fd => IO::AIO::poll_fileno, 2643 fd => BDB::poll_fileno,
2198 poll => 'r', 2644 poll => 'r',
2199 prio => 5, 2645 prio => 0,
2200 data => WF_AUTOCANCEL,
2201 cb => \&IO::AIO::poll_cb,
2202);
2203
2204Event->timer (
2205 data => WF_AUTOCANCEL, 2646 data => WF_AUTOCANCEL,
2206 after => 0, 2647 cb => \&BDB::poll_cb,
2207 interval => 10, 2648 );
2208 cb => sub { 2649 BDB::min_parallel 8;
2209 (Coro::unblock_sub { 2650
2210 write_runtime 2651 BDB::set_sync_prepare {
2211 or warn "ERROR: unable to write runtime file: $!"; 2652 my $status;
2653 my $current = $Coro::current;
2654 (
2655 sub {
2656 $status = $!;
2657 $current->ready; undef $current;
2658 },
2659 sub {
2660 Coro::schedule while defined $current;
2661 $! = $status;
2662 },
2663 )
2664 };
2665
2666 unless ($DB_ENV) {
2667 $DB_ENV = BDB::db_env_create;
2668
2669 cf::sync_job {
2670 eval {
2671 BDB::db_env_open
2672 $DB_ENV,
2673 $BDB_ENV_DIR,
2674 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676 0666;
2677
2678 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2679
2680 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681 $DB_ENV->set_lk_detect;
2682 };
2683
2684 cf::cleanup "db_env_open(db): $@" if $@;
2212 })->(); 2685 };
2213 }, 2686 }
2214); 2687}
2688
2689{
2690 IO::AIO::min_parallel 8;
2691
2692 undef $Coro::AIO::WATCHER;
2693 IO::AIO::max_poll_time $TICK * 0.1;
2694 $AIO_POLL_WATCHER = Event->io (
2695 reentrant => 0,
2696 data => WF_AUTOCANCEL,
2697 fd => IO::AIO::poll_fileno,
2698 poll => 'r',
2699 prio => 6,
2700 cb => \&IO::AIO::poll_cb,
2701 );
2702}
2215 2703
2216END { cf::emergency_save } 2704END { cf::emergency_save }
2217 2705
22181 27061
2219 2707

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines