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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 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$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 41$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 $guard
232} 273}
274
275=item cf::async { BLOCK }
276
277Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it.
280
281=cut
282
283BEGIN { *async = \&Coro::async_pool }
233 284
234=item cf::sync_job { BLOCK } 285=item cf::sync_job { BLOCK }
235 286
236The design of crossfire+ requires that the main coro ($Coro::main) is 287The design of crossfire+ requires that the main coro ($Coro::main) is
237always able to handle events or runnable, as crossfire+ is only partly 288always able to handle events or runnable, as crossfire+ is only partly
256 my $freeze_guard = freeze_mainloop; 307 my $freeze_guard = freeze_mainloop;
257 308
258 my $busy = 1; 309 my $busy = 1;
259 my @res; 310 my @res;
260 311
261 (Coro::async_pool { 312 (async {
262 @res = eval { $job->() }; 313 @res = eval { $job->() };
263 warn $@ if $@; 314 warn $@ if $@;
264 undef $busy; 315 undef $busy;
265 })->prio (Coro::PRIO_MAX); 316 })->prio (Coro::PRIO_MAX);
266 317
267 while ($busy) { 318 while ($busy) {
268 Coro::cede_notself; 319 Coro::cede or Event::one_event;
269 Event::one_event unless Coro::nready;
270 } 320 }
271 321
272 wantarray ? @res : $res[0] 322 wantarray ? @res : $res[0]
273 } else { 323 } else {
274 # we are in another coroutine, how wonderful, everything just works 324 # we are in another coroutine, how wonderful, everything just works
275 325
276 $job->() 326 $job->()
277 } 327 }
278} 328}
279 329
280=item $coro = cf::coro { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
281 331
282Creates (and readies) and returns a new coro. This coro is automcatially 332Like async, but this coro is automatically being canceled when the
283being canceled when the extension calling this is being unloaded. 333extension calling this is being unloaded.
284 334
285=cut 335=cut
286 336
287sub coro(&) { 337sub async_ext(&) {
288 my $cb = shift; 338 my $cb = shift;
289 339
290 my $coro = &Coro::async_pool ($cb); 340 my $coro = &Coro::async ($cb);
291 341
292 $coro->on_destroy (sub { 342 $coro->on_destroy (sub {
293 delete $EXT_CORO{$coro+0}; 343 delete $EXT_CORO{$coro+0};
294 }); 344 });
295 $EXT_CORO{$coro+0} = $coro; 345 $EXT_CORO{$coro+0} = $coro;
296 346
297 $coro 347 $coro
298} 348}
299 349
300sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
301 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
302 354
303 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304 or return; 356 or return;
305 357
358 my $value = $cf::RUNTIME + 90 + 10;
306 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
307 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
308 and return; 363 and return;
309 364
365 # always fsync - this file is important
310 aio_fsync $fh 366 aio_fsync $fh
311 and return; 367 and return;
312 368
313 close $fh 369 close $fh
314 or return; 370 or return;
317 and return; 373 and return;
318 374
319 1 375 1
320} 376}
321 377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387}
388
322=back 389=back
323 390
324=cut 391=cut
325
326#############################################################################
327
328package cf::path;
329
330sub new {
331 my ($class, $path, $base) = @_;
332
333 $path = $path->as_string if ref $path;
334
335 my $self = bless { }, $class;
336
337 # {... are special paths that are not touched
338 # ?xxx/... are special absolute paths
339 # ?random/... random maps
340 # /! non-realised random map exit
341 # /... normal maps
342 # ~/... per-player maps without a specific player (DO NOT USE)
343 # ~user/... per-player map of a specific user
344
345 if ($path =~ /^{/) {
346 # fine as it is
347 } elsif ($path =~ s{^\?random/}{}) {
348 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349 $self->{random} = cf::from_json $data;
350 } else {
351 if ($path =~ s{^~([^/]+)?}{}) {
352 $self->{user_rel} = 1;
353
354 if (defined $1) {
355 $self->{user} = $1;
356 } elsif ($base =~ m{^~([^/]+)/}) {
357 $self->{user} = $1;
358 } else {
359 warn "cannot resolve user-relative path without user <$path,$base>\n";
360 }
361 } elsif ($path =~ /^\//) {
362 # already absolute
363 } else {
364 $base =~ s{[^/]+/?$}{};
365 return $class->new ("$base/$path");
366 }
367
368 for ($path) {
369 redo if s{/\.?/}{/};
370 redo if s{/[^/]+/\.\./}{/};
371 }
372 }
373
374 $self->{path} = $path;
375
376 $self
377}
378
379# the name / primary key / in-game path
380sub as_string {
381 my ($self) = @_;
382
383 $self->{user_rel} ? "~$self->{user}$self->{path}"
384 : $self->{random} ? "?random/$self->{path}"
385 : $self->{path}
386}
387
388# the displayed name, this is a one way mapping
389sub visible_name {
390 my ($self) = @_;
391
392# if (my $rmp = $self->{random}) {
393# # todo: be more intelligent about this
394# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395# } else {
396 $self->as_string
397# }
398}
399
400# escape the /'s in the path
401sub _escaped_path {
402 # ∕ is U+2215
403 (my $path = $_[0]{path}) =~ s/\//∕/g;
404 $path
405}
406
407# the original (read-only) location
408sub load_path {
409 my ($self) = @_;
410
411 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412}
413
414# the temporary/swap location
415sub save_path {
416 my ($self) = @_;
417
418 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421}
422
423# the unique path, might be eq to save_path
424sub uniq_path {
425 my ($self) = @_;
426
427 $self->{user_rel} || $self->{random}
428 ? undef
429 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430}
431
432# return random map parameters, or undef
433sub random_map_params {
434 my ($self) = @_;
435
436 $self->{random}
437}
438
439# this is somewhat ugly, but style maps do need special treatment
440sub is_style_map {
441 $_[0]{path} =~ m{^/styles/}
442}
443
444package cf;
445 392
446############################################################################# 393#############################################################################
447 394
448=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
449 396
575our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
576our @CB_MAP = (); 523our @CB_MAP = ();
577 524
578my %attachment; 525my %attachment;
579 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
580sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
581 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
582 535
583 use sort 'stable'; 536 use sort 'stable';
584 537
755# object support 708# object support
756 709
757sub reattach { 710sub reattach {
758 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
759 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760 715
761 my $registry = $obj->registry; 716 my $registry = $obj->registry;
762 717
763 @$registry = (); 718 @$registry = ();
764 719
811 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
812 767
813 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
815 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
817 close $fh; 772 close $fh;
818 773
819 if (@$objs) { 774 if (@$objs) {
820 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) {
821 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
822 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
823 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
824 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
825 close $fh; 780 close $fh;
826 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
827 } 782 }
828 } else { 783 } else {
829 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
896=cut 851=cut
897 852
898sub register_extcmd { 853sub register_extcmd {
899 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
900 855
901 my $caller = caller;
902 #warn "registering extcmd '$name' to '$caller'";
903
904 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
905} 857}
906 858
907cf::player->attach ( 859cf::player->attach (
908 on_command => sub { 860 on_command => sub {
909 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
922 874
923 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
924 876
925 if (ref $msg) { 877 if (ref $msg) {
926 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
928 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
929 } 881 }
930 } 882 }
931 } else { 883 } else {
932 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
934 886
935 cf::override; 887 cf::override;
936 }, 888 },
937); 889);
938 890
939sub register {
940 my ($base, $pkg) = @_;
941
942 #TODO
943}
944
945sub load_extension { 891sub load_extension {
946 my ($path) = @_; 892 my ($path) = @_;
947 893
948 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
949 my $base = $1; 895 my $base = $1;
950 my $pkg = $1; 896 my $pkg = $1;
951 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
952 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
953 899
954 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
955 901
956 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
957 or die "$path: $!"; 903 or die "$path: $!";
958 904
959 my $source = 905 my $source =
960 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
961 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
962 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
963 . "\n};\n1"; 909 . "\n};\n1";
964 910
965 eval $source 911 unless (eval $source) {
966 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
967 : "extension disabled.\n"; 913 : "extension disabled.\n";
968 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969 push @exts, $pkg; 915 warn $@;
970 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
971 917 exit 1;
972# no strict 'refs'; 918 }
973# @{"$pkg\::ISA"} = ext::; 919 die $@;
974
975 register $base, $pkg;
976}
977
978sub unload_extension {
979 my ($pkg) = @_;
980
981 warn "removing extension $pkg\n";
982
983 # remove hooks
984 #TODO
985# for my $idx (0 .. $#PLUGIN_EVENT) {
986# delete $hook[$idx]{$pkg};
987# } 920 }
988 921
989 # remove commands 922 push @EXTS, $pkg;
990 for my $name (keys %COMMAND) {
991 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993 if (@cb) {
994 $COMMAND{$name} = \@cb;
995 } else {
996 delete $COMMAND{$name};
997 }
998 }
999
1000 # remove extcmds
1001 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002 delete $EXTCMD{$name};
1003 }
1004
1005 if (my $cb = $pkg->can ("unload")) {
1006 eval {
1007 $cb->($pkg);
1008 1
1009 } or warn "$pkg unloaded, but with errors: $@";
1010 }
1011
1012 Symbol::delete_package $pkg;
1013} 923}
1014 924
1015sub load_extensions { 925sub load_extensions {
1016 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1017 next unless -r $ext; 927 next unless -r $ext;
1021 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1022 } 932 }
1023} 933}
1024 934
1025############################################################################# 935#############################################################################
1026# load/save/clean perl data associated with a map
1027
1028*cf::mapsupport::on_clean = sub {
1029 my ($map) = @_;
1030
1031 my $path = $map->tmpname;
1032 defined $path or return;
1033
1034 unlink "$path.pst";
1035};
1036
1037cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039#############################################################################
1040# load/save perl data associated with player->ob objects
1041
1042sub all_objects(@) {
1043 @_, map all_objects ($_->inv), @_
1044}
1045
1046# TODO: compatibility cruft, remove when no longer needed
1047cf::player->attach (
1048 on_load => sub {
1049 my ($pl, $path) = @_;
1050
1051 for my $o (all_objects $pl->ob) {
1052 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053 $o->set_ob_key_value ("_perl_data");
1054
1055 %$o = %{ Storable::thaw pack "H*", $value };
1056 }
1057 }
1058 },
1059);
1060
1061#############################################################################
1062 936
1063=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1064 938
1065Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1066 940
941=cut
942
943package cf::player;
944
945use Coro::AIO;
946
1067=head3 cf::player 947=head3 cf::player
1068 948
1069=over 4 949=over 4
1070 950
1071=item cf::player::exists $login 951=item cf::player::find $login
1072 952
1073Returns true when the given account exists. 953Returns the given player object, loading it if necessary (might block).
1074 954
1075=cut 955=cut
1076 956
1077sub cf::player::exists($) { 957sub playerdir($) {
1078 cf::player::find $_[0] 958 cf::localdir
1079 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])
1080} 963}
1081 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
1082=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, %msg)
1083 1130
1084Sends an ext reply to the player. 1131Sends an ext reply to the player.
1085 1132
1086=cut 1133=cut
1087 1134
1088sub cf::player::ext_reply($$$%) { 1135sub ext_reply($$%) {
1089 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1090 1137
1091 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1092 1139
1093 $self->send ("ext " . to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1094} 1141}
1142
1143=item $player->ext_event ($type, %msg)
1144
1145Sends an ext event to the client.
1146
1147=cut
1148
1149sub ext_event($$%) {
1150 my ($self, $type, %msg) = @_;
1151
1152 $self->ns->ext_event ($type, %msg);
1153}
1154
1155package cf;
1095 1156
1096=back 1157=back
1097 1158
1098 1159
1099=head3 cf::map 1160=head3 cf::map
1105package cf::map; 1166package cf::map;
1106 1167
1107use Fcntl; 1168use Fcntl;
1108use Coro::AIO; 1169use Coro::AIO;
1109 1170
1171use overload
1172 '""' => \&as_string,
1173 fallback => 1;
1174
1110our $MAX_RESET = 3600; 1175our $MAX_RESET = 3600;
1111our $DEFAULT_RESET = 3000; 1176our $DEFAULT_RESET = 3000;
1112 1177
1113sub generate_random_map { 1178sub generate_random_map {
1114 my ($path, $rmp) = @_; 1179 my ($self, $rmp) = @_;
1115
1116 # mit "rum" bekleckern, nicht 1180 # mit "rum" bekleckern, nicht
1117 cf::map::_create_random_map 1181 $self->_create_random_map (
1118 $path,
1119 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122 $rmp->{exit_on_final_map}, 1185 $rmp->{exit_on_final_map},
1123 $rmp->{xsize}, $rmp->{ysize}, 1186 $rmp->{xsize}, $rmp->{ysize},
1124 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1187 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1188 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1189 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127 $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},
1128 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1191 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129 (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
1130} 1323}
1131 1324
1132# and all this just because we cannot iterate over 1325# and all this just because we cannot iterate over
1133# all maps in C++... 1326# all maps in C++...
1134sub change_all_map_light { 1327sub change_all_map_light {
1136 1329
1137 $_->change_map_light ($change) 1330 $_->change_map_light ($change)
1138 for grep $_->outdoor, values %cf::MAP; 1331 for grep $_->outdoor, values %cf::MAP;
1139} 1332}
1140 1333
1334sub unlink_save {
1335 my ($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
1141sub try_load_header($) { 1342sub load_header_from($) {
1142 my ($path) = @_; 1343 my ($self, $path) = @_;
1143 1344
1144 utf8::encode $path; 1345 utf8::encode $path;
1145 aio_open $path, O_RDONLY, 0 1346 #aio_open $path, O_RDONLY, 0
1347 # or return;
1348
1349 $self->_load_header ($path)
1146 or return; 1350 or return;
1147 1351
1148 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
1149 or return; 1395 or return;
1396 $self->prepare_orig;
1397 }
1150 1398
1151 # for better error messages only, will be overwritten 1399 1
1152 $map->path ($path);
1153
1154 $map->load_header ($path)
1155 or return;
1156
1157 $map->{load_path} = $path;
1158
1159 $map
1160} 1400}
1161 1401
1162sub find; 1402sub find;
1163sub find { 1403sub find {
1164 my ($path, $origin) = @_; 1404 my ($path, $origin) = @_;
1165 1405
1166 #warn "find<$path,$origin>\n";#d#
1167
1168 $path = new cf::path $path, $origin && $origin->path; 1406 $path = normalise $path, $origin && $origin->path;
1169 my $key = $path->as_string;
1170 1407
1171 cf::lock_wait "map_find:$key"; 1408 cf::lock_wait "map_find:$path";
1172 1409
1173 $cf::MAP{$key} || do { 1410 $cf::MAP{$path} || do {
1174 my $guard = cf::lock_acquire "map_find:$key"; 1411 my $guard = cf::lock_acquire "map_find:$path";
1175 1412 my $map = new_from_path cf::map $path
1176 # do it the slow way
1177 my $map = try_load_header $path->save_path;
1178
1179 Coro::cede;
1180
1181 if ($map) {
1182 $map->last_access ((delete $map->{last_access})
1183 || $cf::RUNTIME); #d#
1184 # safety
1185 $map->{instantiate_time} = $cf::RUNTIME
1186 if $map->{instantiate_time} > $cf::RUNTIME;
1187 } else {
1188 if (my $rmp = $path->random_map_params) {
1189 $map = generate_random_map $key, $rmp;
1190 } else {
1191 $map = try_load_header $path->load_path;
1192 }
1193
1194 $map or return; 1413 or return;
1195 1414
1196 $map->{load_original} = 1;
1197 $map->{instantiate_time} = $cf::RUNTIME;
1198 $map->last_access ($cf::RUNTIME);
1199 $map->instantiate;
1200
1201 # per-player maps become, after loading, normal maps
1202 $map->per_player (0) if $path->{user_rel};
1203 }
1204
1205 $map->path ($key);
1206 $map->{path} = $path;
1207 $map->{last_save} = $cf::RUNTIME; 1415 $map->{last_save} = $cf::RUNTIME;
1208 1416
1209 Coro::cede; 1417 $map->load_header
1418 or return;
1210 1419
1211 if ($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;
1212 $map->reset; 1423 $map->reset;
1213 undef $guard; 1424 undef $guard;
1214 $map = find $path 1425 return find $path;
1215 or return;
1216 } 1426 }
1217 1427
1218 $cf::MAP{$key} = $map 1428 $cf::MAP{$path} = $map
1219 } 1429 }
1220} 1430}
1431
1432sub pre_load { }
1433sub post_load { }
1221 1434
1222sub load { 1435sub load {
1223 my ($self) = @_; 1436 my ($self) = @_;
1224 1437
1438 local $self->{deny_reset} = 1; # loading can take a long time
1439
1225 my $path = $self->{path}; 1440 my $path = $self->{path};
1226 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1441 my $guard = cf::lock_acquire "map_load:$path";
1227 1442
1228 return if $self->in_memory != cf::MAP_SWAPPED; 1443 return if $self->in_memory != cf::MAP_SWAPPED;
1229 1444
1230 $self->in_memory (cf::MAP_LOADING); 1445 $self->in_memory (cf::MAP_LOADING);
1231 1446
1232 $self->alloc; 1447 $self->alloc;
1448
1449 $self->pre_load;
1450
1233 $self->load_objects ($self->{load_path}, 1) 1451 $self->_load_objects ($self->{load_path}, 1)
1234 or return; 1452 or return;
1235 1453
1236 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237 if delete $self->{load_original}; 1455 if delete $self->{load_original};
1238 1456
1239 if (my $uniq = $path->uniq_path) { 1457 if (my $uniq = $self->uniq_path) {
1240 utf8::encode $uniq; 1458 utf8::encode $uniq;
1241 if (aio_open $uniq, O_RDONLY, 0) { 1459 if (aio_open $uniq, O_RDONLY, 0) {
1242 $self->clear_unique_items; 1460 $self->clear_unique_items;
1243 $self->load_objects ($uniq, 0); 1461 $self->_load_objects ($uniq, 0);
1244 } 1462 }
1245 } 1463 }
1246 1464
1247 Coro::cede; 1465 Coro::cede;
1248 1466
1249 # now do the right thing for maps 1467 # now do the right thing for maps
1250 $self->link_multipart_objects; 1468 $self->link_multipart_objects;
1251 1469
1252 if ($self->{path}->is_style_map) { 1470 unless ($self->{deny_activate}) {
1253 $self->{deny_save} = 1; 1471 $self->decay_objects;
1254 $self->{deny_reset} = 1;
1255 } else {
1256 $self->fix_auto_apply; 1472 $self->fix_auto_apply;
1257 $self->decay_objects;
1258 $self->update_buttons; 1473 $self->update_buttons;
1474 Coro::cede;
1259 $self->set_darkness_map; 1475 $self->set_darkness_map;
1260 $self->difficulty ($self->estimate_difficulty) 1476 $self->difficulty ($self->estimate_difficulty)
1261 unless $self->difficulty; 1477 unless $self->difficulty;
1478 Coro::cede;
1262 $self->activate; 1479 $self->activate;
1263 } 1480 }
1264 1481
1265 Coro::cede; 1482 $self->post_load;
1266 1483
1267 $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 $neigh->load;
1517 }
1268} 1518}
1269 1519
1270sub find_sync { 1520sub find_sync {
1271 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1272 1522
1273 cf::sync_job { cf::map::find $path, $origin } 1523 cf::sync_job { find $path, $origin }
1274} 1524}
1275 1525
1276sub do_load_sync { 1526sub do_load_sync {
1277 my ($map) = @_; 1527 my ($map) = @_;
1278 1528
1279 cf::sync_job { $map->load }; 1529 cf::sync_job { $map->load };
1280} 1530}
1281 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 $MAP_PREFETCHER->prio (6);
1558
1559 ()
1560}
1561
1282sub save { 1562sub save {
1283 my ($self) = @_; 1563 my ($self) = @_;
1284 1564
1285 my $lock = cf::lock_acquire "map_data:" . $self->path; 1565 my $lock = cf::lock_acquire "map_data:" . $self->path;
1286 1566
1287 $self->{last_save} = $cf::RUNTIME; 1567 $self->{last_save} = $cf::RUNTIME;
1288 1568
1289 return unless $self->dirty; 1569 return unless $self->dirty;
1290 1570
1291 my $save = $self->{path}->save_path; utf8::encode $save; 1571 my $save = $self->save_path; utf8::encode $save;
1292 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1572 my $uniq = $self->uniq_path; utf8::encode $uniq;
1293 1573
1294 $self->{load_path} = $save; 1574 $self->{load_path} = $save;
1295 1575
1296 return if $self->{deny_save}; 1576 return if $self->{deny_save};
1297 1577
1298 local $self->{last_access} = $self->last_access;#d# 1578 local $self->{last_access} = $self->last_access;#d#
1299 1579
1580 cf::async {
1581 $_->contr->save for $self->players;
1582 };
1583
1300 if ($uniq) { 1584 if ($uniq) {
1301 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302 $self->save_objects ($uniq, cf::IO_UNIQUES); 1586 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1303 } else { 1587 } else {
1304 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1588 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305 } 1589 }
1306} 1590}
1307 1591
1308sub swap_out { 1592sub swap_out {
1309 my ($self) = @_; 1593 my ($self) = @_;
1323 1607
1324sub reset_at { 1608sub reset_at {
1325 my ($self) = @_; 1609 my ($self) = @_;
1326 1610
1327 # TODO: safety, remove and allow resettable per-player maps 1611 # TODO: safety, remove and allow resettable per-player maps
1328 return 1e99 if $self->{path}{user_rel}; 1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1329 return 1e99 if $self->{deny_reset}; 1613 return 1e99 if $self->{deny_reset};
1330 1614
1331 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333 1617
1338 my ($self) = @_; 1622 my ($self) = @_;
1339 1623
1340 $self->reset_at <= $cf::RUNTIME 1624 $self->reset_at <= $cf::RUNTIME
1341} 1625}
1342 1626
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->{path}->save_path);
1347 aioreq_pri 3; IO::AIO::aio_unlink $save;
1348 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349}
1350
1351sub rename {
1352 my ($self, $new_path) = @_;
1353
1354 $self->unlink_save;
1355
1356 delete $cf::MAP{$self->path};
1357 $self->{path} = new cf::path $new_path;
1358 $self->path ($self->{path}->as_string);
1359 $cf::MAP{$self->path} = $self;
1360
1361 $self->save;
1362}
1363
1364sub reset { 1627sub reset {
1365 my ($self) = @_; 1628 my ($self) = @_;
1366 1629
1367 my $lock = cf::lock_acquire "map_data:" . $self->path; 1630 my $lock = cf::lock_acquire "map_data:$self->{path}";
1368 1631
1369 return if $self->players; 1632 return if $self->players;
1370 return if $self->{path}{user_rel};#d# 1633 return if $self->isa ("ext::map_per_player");#d#
1371 1634
1372 warn "resetting map ", $self->path;#d# 1635 warn "resetting map ", $self->path;#d#
1373 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
1374 delete $cf::MAP{$self->path}; 1647 delete $cf::MAP{$self->path};
1648
1649 $self->clear;
1375 1650
1376 $_->clear_links_to ($self) for values %cf::MAP; 1651 $_->clear_links_to ($self) for values %cf::MAP;
1377 1652
1378 $self->unlink_save; 1653 $self->unlink_save;
1379 $self->destroy; 1654 $self->destroy;
1382my $nuke_counter = "aaaa"; 1657my $nuke_counter = "aaaa";
1383 1658
1384sub nuke { 1659sub nuke {
1385 my ($self) = @_; 1660 my ($self) = @_;
1386 1661
1662 delete $cf::MAP{$self->path};
1663
1664 $self->unlink_save;
1665
1666 bless $self, "cf::map";
1667 delete $self->{deny_reset};
1387 $self->{deny_save} = 1; 1668 $self->{deny_save} = 1;
1388 $self->reset_timeout (1); 1669 $self->reset_timeout (1);
1389 $self->rename ("{nuke}/" . ($nuke_counter++)); 1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671
1672 $cf::MAP{$self->path} = $self;
1673
1390 $self->reset; # polite request, might not happen 1674 $self->reset; # polite request, might not happen
1391} 1675}
1392 1676
1393sub customise_for { 1677=item cf::map::unique_maps
1394 my ($map, $ob) = @_;
1395 1678
1396 if ($map->per_player) { 1679Returns an arrayref of paths of all shared maps that have
1397 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1680instantiated unique items. May block.
1398 }
1399 1681
1400 $map 1682=cut
1401}
1402 1683
1403sub emergency_save { 1684sub unique_maps() {
1404 my $freeze_guard = cf::freeze_mainloop; 1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1686 or return;
1405 1687
1406 warn "enter emergency map save\n"; 1688 my @paths;
1407 1689
1408 cf::sync_job { 1690 for (@$files) {
1409 warn "begin emergency map save\n"; 1691 utf8::decode $_;
1410 $_->save for values %cf::MAP; 1692 next if /\.pst$/;
1693 next unless /^$PATH_SEP/o;
1694
1695 push @paths, cf::map::normalise $_;
1411 }; 1696 }
1412 1697
1413 warn "end emergency map save\n"; 1698 \@paths
1414} 1699}
1415 1700
1416package cf; 1701package cf;
1417 1702
1418=back 1703=back
1419 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
1420 1731
1421=head3 cf::object::player 1732=head3 cf::object::player
1422 1733
1423=over 4 1734=over 4
1424 1735
1464 1775
1465=item $player_object->enter_link 1776=item $player_object->enter_link
1466 1777
1467Freezes 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}>).
1468 1779
1469The 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
1470I<MUST> call C<leave_link> as soon as possible, though. 1781I<MUST> call C<leave_link> as soon as possible, though.
1471 1782
1783Will never block.
1784
1472=item $player_object->leave_link ($map, $x, $y) 1785=item $player_object->leave_link ($map, $x, $y)
1473 1786
1474Moves the player out of the specila link map onto the given map. If the 1787Moves the player out of the special C<{link}> map onto the specified
1475map is not valid (or omitted), the player will be moved back to the 1788map. If the map is not valid (or omitted), the player will be moved back
1476location he/she was before the call to C<enter_link>, or, if that fails, 1789to the location he/she was before the call to C<enter_link>, or, if that
1477to the emergency map position. 1790fails, to the emergency map position.
1478 1791
1479Might block. 1792Might block.
1480 1793
1481=cut 1794=cut
1795
1796sub link_map {
1797 unless ($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 $LINK_MAP
1804}
1482 1805
1483sub cf::object::player::enter_link { 1806sub cf::object::player::enter_link {
1484 my ($self) = @_; 1807 my ($self) = @_;
1485 1808
1486 $self->deactivate_recursive; 1809 $self->deactivate_recursive;
1487 1810
1488 return if $self->map == $LINK_MAP; 1811 return if UNIVERSAL::isa $self->map, "ext::map_link";
1489 1812
1490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491 if $self->map; 1814 if $self->map;
1492 1815
1493 $self->enter_map ($LINK_MAP, 20, 20); 1816 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1494} 1817}
1495 1818
1496sub cf::object::player::leave_link { 1819sub cf::object::player::leave_link {
1497 my ($self, $map, $x, $y) = @_; 1820 my ($self, $map, $x, $y) = @_;
1498 1821
1516 # use -1 or undef as default coordinates, not 0, 0 1839 # use -1 or undef as default coordinates, not 0, 0
1517 ($x, $y) = ($map->enter_x, $map->enter_y) 1840 ($x, $y) = ($map->enter_x, $map->enter_y)
1518 if $x <=0 && $y <= 0; 1841 if $x <=0 && $y <= 0;
1519 1842
1520 $map->load; 1843 $map->load;
1844 $map->load_diag;
1521 1845
1846 return unless $self->contr->active;
1522 $self->activate_recursive; 1847 $self->activate_recursive;
1848
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523 $self->enter_map ($map, $x, $y); 1850 $self->enter_map ($map, $x, $y);
1524} 1851}
1525 1852
1526cf::player->attach ( 1853cf::player->attach (
1527 on_logout => sub { 1854 on_logout => sub {
1539 1866
1540 # try to abort aborted map switching on player login :) 1867 # try to abort aborted map switching on player login :)
1541 # should happen only on crashes 1868 # should happen only on crashes
1542 if ($pl->ob->{_link_pos}) { 1869 if ($pl->ob->{_link_pos}) {
1543 $pl->ob->enter_link; 1870 $pl->ob->enter_link;
1544 Coro::async_pool { 1871 (async {
1872 $pl->ob->reply (undef,
1873 "There was an internal problem at your last logout, "
1874 . "the server will try to bring you to your intended destination in a second.",
1875 cf::NDI_RED);
1545 # we need this sleep as the login has a concurrent enter_exit running 1876 # we need this sleep as the login has a concurrent enter_exit running
1546 # and this sleep increases chances of the player not ending up in scorn 1877 # and this sleep increases chances of the player not ending up in scorn
1547 Coro::Timer::sleep 1; 1878 Coro::Timer::sleep 1;
1548 $pl->ob->leave_link; 1879 $pl->ob->leave_link;
1549 }; 1880 })->prio (2);
1550 } 1881 }
1551 }, 1882 },
1552); 1883);
1553 1884
1554=item $player_object->goto ($path, $x, $y) 1885=item $player_object->goto ($path, $x, $y)
1558sub cf::object::player::goto { 1889sub cf::object::player::goto {
1559 my ($self, $path, $x, $y) = @_; 1890 my ($self, $path, $x, $y) = @_;
1560 1891
1561 $self->enter_link; 1892 $self->enter_link;
1562 1893
1563 (Coro::async_pool { 1894 (async {
1564 $path = new cf::path $path; 1895 my $map = eval {
1565
1566 my $map = cf::map::find $path->as_string; 1896 my $map = cf::map::find $path;
1567 $map = $map->customise_for ($self) if $map; 1897 $map = $map->customise_for ($self) if $map;
1568 1898 $map
1569# warn "entering ", $map->path, " at ($x, $y)\n" 1899 } or
1570# if $map;
1571
1572 $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);
1573 1901
1574 $self->leave_link ($map, $x, $y); 1902 $self->leave_link ($map, $x, $y);
1575 })->prio (1); 1903 })->prio (1);
1576} 1904}
1577 1905
1581 1909
1582sub parse_random_map_params { 1910sub parse_random_map_params {
1583 my ($spec) = @_; 1911 my ($spec) = @_;
1584 1912
1585 my $rmp = { # defaults 1913 my $rmp = { # defaults
1586 xsize => 10, 1914 xsize => (cf::rndm 15, 40),
1587 ysize => 10, 1915 ysize => (cf::rndm 15, 40),
1916 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1917 #layout => string,
1588 }; 1918 };
1589 1919
1590 for (split /\n/, $spec) { 1920 for (split /\n/, $spec) {
1591 my ($k, $v) = split /\s+/, $_, 2; 1921 my ($k, $v) = split /\s+/, $_, 2;
1592 1922
1596 $rmp 1926 $rmp
1597} 1927}
1598 1928
1599sub prepare_random_map { 1929sub prepare_random_map {
1600 my ($exit) = @_; 1930 my ($exit) = @_;
1931
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1601 1933
1602 # all this does is basically replace the /! path by 1934 # all this does is basically replace the /! path by
1603 # a new random map path (?random/...) with a seed 1935 # a new random map path (?random/...) with a seed
1604 # that depends on the exit object 1936 # that depends on the exit object
1605 1937
1606 my $rmp = parse_random_map_params $exit->msg; 1938 my $rmp = parse_random_map_params $exit->msg;
1607 1939
1608 if ($exit->map) { 1940 if ($exit->map) {
1609 $rmp->{region} = $exit->map->region_name; 1941 $rmp->{region} = $exit->region->name;
1610 $rmp->{origin_map} = $exit->map->path; 1942 $rmp->{origin_map} = $exit->map->path;
1611 $rmp->{origin_x} = $exit->x; 1943 $rmp->{origin_x} = $exit->x;
1612 $rmp->{origin_y} = $exit->y; 1944 $rmp->{origin_y} = $exit->y;
1613 } 1945 }
1614 1946
1615 $rmp->{random_seed} ||= $exit->random_seed; 1947 $rmp->{random_seed} ||= $exit->random_seed;
1616 1948
1617 my $data = cf::to_json $rmp; 1949 my $data = cf::to_json $rmp;
1618 my $md5 = Digest::MD5::md5_hex $data; 1950 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619 1952
1620 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) {
1621 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;
1622 1957
1623 $exit->slaying ("?random/$md5"); 1958 $exit->slaying ("?random/$md5");
1624 $exit->msg (undef); 1959 $exit->msg (undef);
1625 } 1960 }
1626} 1961}
1628sub cf::object::player::enter_exit { 1963sub cf::object::player::enter_exit {
1629 my ($self, $exit) = @_; 1964 my ($self, $exit) = @_;
1630 1965
1631 return unless $self->type == cf::PLAYER; 1966 return unless $self->type == cf::PLAYER;
1632 1967
1968 if ($exit->slaying eq "/!") {
1969 #TODO: this should de-fi-ni-te-ly not be a sync-job
1970 cf::sync_job { prepare_random_map $exit };
1971 }
1972
1973 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974 my $hp = $exit->stats->hp;
1975 my $sp = $exit->stats->sp;
1976
1633 $self->enter_link; 1977 $self->enter_link;
1634 1978
1635 (Coro::async_pool { 1979 (async {
1636 $self->deactivate_recursive; # just to be sure 1980 $self->deactivate_recursive; # just to be sure
1637 unless (eval { 1981 unless (eval {
1638 prepare_random_map $exit 1982 $self->goto ($slaying, $hp, $sp);
1639 if $exit->slaying eq "/!";
1640
1641 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643 1983
1644 1; 1984 1;
1645 }) { 1985 }) {
1646 $self->message ("Something went wrong deep within the crossfire server. " 1986 $self->message ("Something went wrong deep within the crossfire server. "
1647 . "I'll try to bring you back to the map you were before. " 1987 . "I'll try to bring you back to the map you were before. "
1648 . "Please report this to the dungeon master", 1988 . "Please report this to the dungeon master!",
1649 cf::NDI_UNIQUE | cf::NDI_RED); 1989 cf::NDI_UNIQUE | cf::NDI_RED);
1650 1990
1651 warn "ERROR in enter_exit: $@"; 1991 warn "ERROR in enter_exit: $@";
1652 $self->leave_link; 1992 $self->leave_link;
1653 } 1993 }
1667 2007
1668sub cf::client::send_drawinfo { 2008sub cf::client::send_drawinfo {
1669 my ($self, $text, $flags) = @_; 2009 my ($self, $text, $flags) = @_;
1670 2010
1671 utf8::encode $text; 2011 utf8::encode $text;
1672 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2012 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673} 2013}
1674 2014
2015=item $client->ext_event ($type, %msg)
2016
2017Sends an exti event to the client.
2018
2019=cut
2020
2021sub cf::client::ext_event($$%) {
2022 my ($self, $type, %msg) = @_;
2023
2024 $msg{msgtype} = "event_$type";
2025 $self->send_packet ("ext " . cf::to_json \%msg);
2026}
1675 2027
1676=item $success = $client->query ($flags, "text", \&cb) 2028=item $success = $client->query ($flags, "text", \&cb)
1677 2029
1678Queues a query to the client, calling the given callback with 2030Queues a query to the client, calling the given callback with
1679the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2031the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1708 # get handled first 2060 # get handled first
1709 my $queue = delete $ns->{query_queue} 2061 my $queue = delete $ns->{query_queue}
1710 or return; # be conservative, not sure how that can happen, but we saw a crash here 2062 or return; # be conservative, not sure how that can happen, but we saw a crash here
1711 2063
1712 (shift @$queue)->[1]->($msg); 2064 (shift @$queue)->[1]->($msg);
2065 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713 2066
1714 push @{ $ns->{query_queue} }, @$queue; 2067 push @{ $ns->{query_queue} }, @$queue;
1715 2068
1716 if (@{ $ns->{query_queue} } == @$queue) { 2069 if (@{ $ns->{query_queue} } == @$queue) {
1717 if (@$queue) { 2070 if (@$queue) {
1721 } 2074 }
1722 } 2075 }
1723 }, 2076 },
1724); 2077);
1725 2078
1726=item $client->coro (\&cb) 2079=item $client->async (\&cb)
1727 2080
1728Create a new coroutine, running the specified callback. The coroutine will 2081Create a new coroutine, running the specified callback. The coroutine will
1729be automatically cancelled when the client gets destroyed (e.g. on logout, 2082be automatically cancelled when the client gets destroyed (e.g. on logout,
1730or loss of connection). 2083or loss of connection).
1731 2084
1732=cut 2085=cut
1733 2086
1734sub cf::client::coro { 2087sub cf::client::async {
1735 my ($self, $cb) = @_; 2088 my ($self, $cb) = @_;
1736 2089
1737 my $coro = &Coro::async_pool ($cb); 2090 my $coro = &Coro::async ($cb);
1738 2091
1739 $coro->on_destroy (sub { 2092 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 2093 delete $self->{_coro}{$coro+0};
1741 }); 2094 });
1742 2095
1775 2128
1776# here we export the classes and methods available to script code 2129# here we export the classes and methods available to script code
1777 2130
1778=pod 2131=pod
1779 2132
1780The following fucntions and emthods are available within a safe environment: 2133The following functions and methods are available within a safe environment:
1781 2134
1782 cf::object contr pay_amount pay_player map 2135 cf::object contr pay_amount pay_player map
1783 cf::object::player player 2136 cf::object::player player
1784 cf::player peaceful 2137 cf::player peaceful
1785 cf::map trigger 2138 cf::map trigger
1878The parameter C<$family> should best start with the name of the extension 2231The parameter C<$family> should best start with the name of the extension
1879using it, it should be unique. 2232using it, it should be unique.
1880 2233
1881=over 4 2234=over 4
1882 2235
1883=item $hashref = cf::db_get $family
1884
1885Return a hashref for use by the extension C<$family>, which can be
1886modified. After modifications, you have to call C<cf::db_dirty> or
1887C<cf::db_sync>.
1888
1889=item $value = cf::db_get $family => $key 2236=item $value = cf::db_get $family => $key
1890 2237
1891Returns a single value from the database 2238Returns a single value from the database.
1892
1893=item cf::db_put $family => $hashref
1894
1895Stores the given family hashref into the database. Updates are delayed, if
1896you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897 2239
1898=item cf::db_put $family => $key => $value 2240=item cf::db_put $family => $key => $value
1899 2241
1900Stores the given C<$value> in the family hash. Updates are delayed, if you 2242Stores the given C<$value> in the family.
1901want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903=item cf::db_dirty
1904
1905Marks the database as dirty, to be updated at a later time.
1906
1907=item cf::db_sync
1908
1909Immediately write the database to disk I<if it is dirty>.
1910 2243
1911=cut 2244=cut
1912 2245
1913our $DB; 2246our $DB;
1914 2247
1915{ 2248sub db_init {
2249 unless ($DB) {
2250 $DB = BDB::db_create $DB_ENV;
2251
2252 cf::sync_job {
2253 eval {
2254 $DB->set_flags (BDB::CHKSUM);
2255
2256 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258 cf::cleanup "db_open(db): $!" if $!;
2259 };
2260 cf::cleanup "db_open(db): $@" if $@;
2261 };
2262
1916 my $path = cf::localdir . "/database.pst"; 2263 my $path = cf::localdir . "/database.pst";
2264 if (stat $path) {
2265 cf::sync_job {
2266 my $pst = Storable::retrieve $path;
1917 2267
1918 sub db_load() { 2268 cf::db_put (board => data => $pst->{board});
1919 $DB = stat $path ? Storable::retrieve $path : { }; 2269 cf::db_put (guildrules => data => $pst->{guildrules});
1920 } 2270 cf::db_put (rent => balance => $pst->{rent}{balance});
2271 BDB::db_env_txn_checkpoint $DB_ENV;
1921 2272
1922 my $pid; 2273 unlink $path;
1923
1924 sub db_save() {
1925 waitpid $pid, 0 if $pid;
1926 if (0 == ($pid = fork)) {
1927 $DB->{_meta}{version} = 1;
1928 Storable::nstore $DB, "$path~";
1929 rename "$path~", $path;
1930 cf::_exit 0 if defined $pid;
1931 } 2274 };
1932 } 2275 }
1933
1934 my $dirty;
1935
1936 sub db_sync() {
1937 db_save if $dirty;
1938 undef $dirty;
1939 }
1940
1941 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942 db_sync;
1943 }); 2276 }
2277}
1944 2278
1945 sub db_dirty() {
1946 $dirty = 1;
1947 $idle->start;
1948 }
1949
1950 sub db_get($;$) { 2279sub db_get($$) {
1951 @_ >= 2 2280 my $key = "$_[0]/$_[1]";
1952 ? $DB->{$_[0]}{$_[1]}
1953 : ($DB->{$_[0]} ||= { })
1954 }
1955 2281
2282 cf::sync_job {
2283 BDB::db_get $DB, undef, $key, my $data;
2284
2285 $! ? ()
2286 : Compress::LZF::sthaw $data
2287 }
2288}
2289
1956 sub db_put($$;$) { 2290sub db_put($$$) {
1957 if (@_ >= 3) { 2291 BDB::dbreq_pri 4;
1958 $DB->{$_[0]}{$_[1]} = $_[2]; 2292 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293}
2294
2295#############################################################################
2296# the server's init and main functions
2297
2298sub load_facedata {
2299 my $path = sprintf "%s/facedata", cf::datadir;
2300
2301 warn "loading facedata from $path\n";
2302
2303 my $faces;
2304 0 < aio_load $path, $faces
2305 or die "$path: $!";
2306
2307 Coro::cede;
2308 $faces = Storable::thaw $faces;
2309 Coro::cede;
2310
2311 my $meta = delete $faces->{""};
2312 $meta->{version} == 1
2313 or cf::cleanup "$path: version mismatch, cannot proceed.";
2314
2315 while (my ($face, $info) = each %$faces) {
2316 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2318 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2319 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2320 Coro::cede;
2321 }
2322
2323 while (my ($face, $info) = each %$faces) {
2324 next unless $info->{smooth};
2325 my $idx = cf::face::find $face
2326 or next;
2327 if (my $smooth = cf::face::find $info->{smooth}) {
2328 cf::face::set_smooth $idx, $smooth;
1959 } else { 2329 } else {
1960 $DB->{$_[0]} = $_[1]; 2330 warn "smooth face '$info->{smooth}' not found for face '$face'";
1961 }
1962 db_dirty;
1963 }
1964
1965 cf::global->attach (
1966 prio => 10000,
1967 on_cleanup => sub {
1968 db_sync;
1969 }, 2331 }
1970 ); 2332 Coro::cede;
1971} 2333 }
1972 2334
1973############################################################################# 2335 1
1974# the server's main() 2336}
2337
2338sub reload_resources {
2339 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2340 or die "unable to load regions file\n";#d#
2341 load_facedata
2342 or die "unable to load facedata\n";#d#
2343}
2344
2345sub init {
2346 reload_resources;
2347}
1975 2348
1976sub cfg_load { 2349sub cfg_load {
1977 open my $fh, "<:utf8", cf::confdir . "/config" 2350 open my $fh, "<:utf8", cf::confdir . "/config"
1978 or return; 2351 or return;
1979 2352
1980 local $/; 2353 local $/;
1981 *CFG = YAML::Syck::Load <$fh>; 2354 *CFG = YAML::Syck::Load <$fh>;
1982 2355
1983 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2356 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984 2357
2358 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2360
1985 if (exists $CFG{mlockall}) { 2361 if (exists $CFG{mlockall}) {
1986 eval { 2362 eval {
1987 $CFG{mlockall} ? &mlockall : &munlockall 2363 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988 and die "WARNING: m(un)lockall failed: $!\n"; 2364 and die "WARNING: m(un)lockall failed: $!\n";
1989 }; 2365 };
1990 warn $@ if $@; 2366 warn $@ if $@;
1991 } 2367 }
1992} 2368}
1993 2369
1994sub main { 2370sub main {
1995 # we must not ever block the main coroutine 2371 # we must not ever block the main coroutine
1996 local $Coro::idle = sub { 2372 local $Coro::idle = sub {
1997 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2373 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998 (Coro::unblock_sub { 2374 (async {
1999 Event::one_event; 2375 Event::one_event;
2000 })->(); 2376 })->prio (Coro::PRIO_MAX);
2001 }; 2377 };
2002 2378
2003 cfg_load; 2379 cfg_load;
2004 db_load; 2380 db_init;
2005 load_extensions; 2381 load_extensions;
2382
2383 $TICK_WATCHER->start;
2006 Event::loop; 2384 Event::loop;
2007} 2385}
2008 2386
2009############################################################################# 2387#############################################################################
2010# initialisation 2388# initialisation and cleanup
2389
2390# install some emergency cleanup handlers
2391BEGIN {
2392 for my $signal (qw(INT HUP TERM)) {
2393 Event->signal (
2394 reentrant => 0,
2395 data => WF_AUTOCANCEL,
2396 signal => $signal,
2397 prio => 0,
2398 cb => sub {
2399 cf::cleanup "SIG$signal";
2400 },
2401 );
2402 }
2403}
2404
2405sub emergency_save() {
2406 my $freeze_guard = cf::freeze_mainloop;
2407
2408 warn "enter emergency perl save\n";
2409
2410 cf::sync_job {
2411 # use a peculiar iteration method to avoid tripping on perl
2412 # refcount bugs in for. also avoids problems with players
2413 # and maps saved/destroyed asynchronously.
2414 warn "begin emergency player save\n";
2415 for my $login (keys %cf::PLAYER) {
2416 my $pl = $cf::PLAYER{$login} or next;
2417 $pl->valid or next;
2418 $pl->save;
2419 }
2420 warn "end emergency player save\n";
2421
2422 warn "begin emergency map save\n";
2423 for my $path (keys %cf::MAP) {
2424 my $map = $cf::MAP{$path} or next;
2425 $map->valid or next;
2426 $map->save;
2427 }
2428 warn "end emergency map save\n";
2429
2430 warn "begin emergency database checkpoint\n";
2431 BDB::db_env_txn_checkpoint $DB_ENV;
2432 warn "end emergency database checkpoint\n";
2433 };
2434
2435 warn "leave emergency perl save\n";
2436}
2437
2438sub post_cleanup {
2439 my ($make_core) = @_;
2440
2441 warn Carp::longmess "post_cleanup backtrace"
2442 if $make_core;
2443}
2011 2444
2012sub reload() { 2445sub reload() {
2013 # can/must only be called in main 2446 # can/must only be called in main
2014 if ($Coro::current != $Coro::main) { 2447 if ($Coro::current != $Coro::main) {
2015 warn "can only reload from main coroutine\n"; 2448 warn "can only reload from main coroutine";
2016 return; 2449 return;
2017 } 2450 }
2018 2451
2019 warn "reloading..."; 2452 warn "reloading...";
2020 2453
2021 my $guard = freeze_mainloop; 2454 warn "entering sync_job";
2455
2456 cf::sync_job {
2457 cf::write_runtime; # external watchdog should not bark
2022 cf::emergency_save; 2458 cf::emergency_save;
2459 cf::write_runtime; # external watchdog should not bark
2023 2460
2024 eval { 2461 warn "syncing database to disk";
2462 BDB::db_env_txn_checkpoint $DB_ENV;
2463
2025 # if anything goes wrong in here, we should simply crash as we already saved 2464 # if anything goes wrong in here, we should simply crash as we already saved
2026 2465
2027 # cancel all watchers 2466 warn "cancelling all WF_AUTOCANCEL watchers";
2028 for (Event::all_watchers) { 2467 for (Event::all_watchers) {
2029 $_->cancel if $_->data & WF_AUTOCANCEL; 2468 $_->cancel if $_->data & WF_AUTOCANCEL;
2030 } 2469 }
2031 2470
2471 warn "flushing outstanding aio requests";
2472 for (;;) {
2473 BDB::flush;
2474 IO::AIO::flush;
2475 Coro::cede;
2476 last unless IO::AIO::nreqs || BDB::nreqs;
2477 warn "iterate...";
2478 }
2479
2480 ++$RELOAD;
2481
2032 # cancel all extension coros 2482 warn "cancelling all extension coros";
2033 $_->cancel for values %EXT_CORO; 2483 $_->cancel for values %EXT_CORO;
2034 %EXT_CORO = (); 2484 %EXT_CORO = ();
2035 2485
2036 # unload all extensions 2486 warn "removing commands";
2037 for (@exts) { 2487 %COMMAND = ();
2488
2489 warn "removing ext commands";
2490 %EXTCMD = ();
2491
2492 warn "unloading/nuking all extensions";
2493 for my $pkg (@EXTS) {
2038 warn "unloading <$_>"; 2494 warn "... unloading $pkg";
2039 unload_extension $_; 2495
2496 if (my $cb = $pkg->can ("unload")) {
2497 eval {
2498 $cb->($pkg);
2499 1
2500 } or warn "$pkg unloaded, but with errors: $@";
2040 } 2501 }
2041 2502
2503 warn "... nuking $pkg";
2504 Symbol::delete_package $pkg;
2505 }
2506
2042 # unload all modules loaded from $LIBDIR 2507 warn "unloading all perl modules loaded from $LIBDIR";
2043 while (my ($k, $v) = each %INC) { 2508 while (my ($k, $v) = each %INC) {
2044 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2509 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045 2510
2046 warn "removing <$k>"; 2511 warn "... unloading $k";
2047 delete $INC{$k}; 2512 delete $INC{$k};
2048 2513
2049 $k =~ s/\.pm$//; 2514 $k =~ s/\.pm$//;
2050 $k =~ s/\//::/g; 2515 $k =~ s/\//::/g;
2051 2516
2054 } 2519 }
2055 2520
2056 Symbol::delete_package $k; 2521 Symbol::delete_package $k;
2057 } 2522 }
2058 2523
2059 # sync database to disk
2060 cf::db_sync;
2061 IO::AIO::flush;
2062
2063 # get rid of safe::, as good as possible 2524 warn "getting rid of safe::, as good as possible";
2064 Symbol::delete_package "safe::$_" 2525 Symbol::delete_package "safe::$_"
2065 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2526 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066 2527
2067 # remove register_script_function callbacks
2068 # TODO
2069
2070 # unload cf.pm "a bit" 2528 warn "unloading cf.pm \"a bit\"";
2071 delete $INC{"cf.pm"}; 2529 delete $INC{"cf.pm"};
2072 2530
2073 # don't, removes xs symbols, too, 2531 # don't, removes xs symbols, too,
2074 # and global variables created in xs 2532 # and global variables created in xs
2075 #Symbol::delete_package __PACKAGE__; 2533 #Symbol::delete_package __PACKAGE__;
2076 2534
2077 # reload cf.pm 2535 warn "unload completed, starting to reload now";
2536
2078 warn "reloading cf.pm"; 2537 warn "reloading cf.pm";
2079 require cf; 2538 require cf;
2080 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2539 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081 2540
2082 # load config and database again 2541 warn "loading config and database again";
2083 cf::cfg_load; 2542 cf::cfg_load;
2084 cf::db_load;
2085 2543
2086 # load extensions
2087 warn "load extensions"; 2544 warn "loading extensions";
2088 cf::load_extensions; 2545 cf::load_extensions;
2089 2546
2090 # reattach attachments to objects 2547 warn "reattaching attachments to objects/players";
2091 warn "reattach"; 2548 _global_reattach; # objects, sockets
2092 _global_reattach; 2549 warn "reattaching attachments to maps";
2093 }; 2550 reattach $_ for values %MAP;
2551 warn "reattaching attachments to players";
2552 reattach $_ for values %PLAYER;
2094 2553
2095 if ($@) { 2554 warn "loading reloadable resources";
2555 reload_resources;
2556
2557 warn "leaving sync_job";
2558
2559 1
2560 } or do {
2096 warn $@; 2561 warn $@;
2097 warn "error while reloading, exiting."; 2562 warn "error while reloading, exiting.";
2098 exit 1; 2563 exit 1;
2099 } 2564 };
2100 2565
2101 warn "reloaded successfully"; 2566 warn "reloaded";
2102}; 2567};
2103 2568
2104############################################################################# 2569our $RELOAD_WATCHER; # used only during reload
2105
2106unless ($LINK_MAP) {
2107 $LINK_MAP = cf::map::new;
2108
2109 $LINK_MAP->width (41);
2110 $LINK_MAP->height (41);
2111 $LINK_MAP->alloc;
2112 $LINK_MAP->path ("{link}");
2113 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116 # dirty hack because... archetypes are not yet loaded
2117 Event->timer (
2118 after => 2,
2119 cb => sub {
2120 $_[0]->w->cancel;
2121
2122 # provide some exits "home"
2123 my $exit = cf::object::new "exit";
2124
2125 $exit->slaying ($EMERGENCY_POSITION->[0]);
2126 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129 $LINK_MAP->insert ($exit->clone, 19, 19);
2130 $LINK_MAP->insert ($exit->clone, 19, 20);
2131 $LINK_MAP->insert ($exit->clone, 19, 21);
2132 $LINK_MAP->insert ($exit->clone, 20, 19);
2133 $LINK_MAP->insert ($exit->clone, 20, 21);
2134 $LINK_MAP->insert ($exit->clone, 21, 19);
2135 $LINK_MAP->insert ($exit->clone, 21, 20);
2136 $LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138 $exit->destroy;
2139 });
2140
2141 $LINK_MAP->{deny_save} = 1;
2142 $LINK_MAP->{deny_reset} = 1;
2143
2144 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145}
2146
2147register "<global>", __PACKAGE__;
2148 2570
2149register_command "reload" => sub { 2571register_command "reload" => sub {
2150 my ($who, $arg) = @_; 2572 my ($who, $arg) = @_;
2151 2573
2152 if ($who->flag (FLAG_WIZ)) { 2574 if ($who->flag (FLAG_WIZ)) {
2153 $who->message ("start of reload."); 2575 $who->message ("reloading server.");
2576
2577 # doing reload synchronously and two reloads happen back-to-back,
2578 # coro crashes during coro_state_free->destroy here.
2579
2580 $RELOAD_WATCHER ||= Event->timer (
2581 reentrant => 0,
2582 after => 0,
2583 data => WF_AUTOCANCEL,
2584 cb => sub {
2154 reload; 2585 reload;
2155 $who->message ("end of reload."); 2586 undef $RELOAD_WATCHER;
2587 },
2588 );
2156 } 2589 }
2157}; 2590};
2158 2591
2159unshift @INC, $LIBDIR; 2592unshift @INC, $LIBDIR;
2593
2594my $bug_warning = 0;
2160 2595
2161$TICK_WATCHER = Event->timer ( 2596$TICK_WATCHER = Event->timer (
2162 reentrant => 0, 2597 reentrant => 0,
2598 parked => 1,
2163 prio => 0, 2599 prio => 0,
2164 at => $NEXT_TICK || $TICK, 2600 at => $NEXT_TICK || $TICK,
2165 data => WF_AUTOCANCEL, 2601 data => WF_AUTOCANCEL,
2166 cb => sub { 2602 cb => sub {
2603 if ($Coro::current != $Coro::main) {
2604 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605 unless ++$bug_warning > 10;
2606 return;
2607 }
2608
2609 $NOW = Event::time;
2610
2167 cf::server_tick; # one server iteration 2611 cf::server_tick; # one server iteration
2168 $RUNTIME += $TICK; 2612 $RUNTIME += $TICK;
2169 $NEXT_TICK += $TICK; 2613 $NEXT_TICK += $TICK;
2614
2615 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616 $NEXT_RUNTIME_WRITE = $NOW + 10;
2617 Coro::async_pool {
2618 write_runtime
2619 or warn "ERROR: unable to write runtime file: $!";
2620 };
2621 }
2622
2623 $WAIT_FOR_TICK->broadcast;
2624 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626# my $AFTER = Event::time;
2627# warn $AFTER - $NOW;#d#
2170 2628
2171 # if we are delayed by four ticks or more, skip them all 2629 # if we are delayed by four ticks or more, skip them all
2172 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2630 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173 2631
2174 $TICK_WATCHER->at ($NEXT_TICK); 2632 $TICK_WATCHER->at ($NEXT_TICK);
2175 $TICK_WATCHER->start; 2633 $TICK_WATCHER->start;
2176 }, 2634 },
2177); 2635);
2178 2636
2637{
2179IO::AIO::max_poll_time $TICK * 0.2; 2638 BDB::max_poll_time $TICK * 0.1;
2180 2639 $BDB_POLL_WATCHER = Event->io (
2181Event->io ( 2640 reentrant => 0,
2182 fd => IO::AIO::poll_fileno, 2641 fd => BDB::poll_fileno,
2183 poll => 'r', 2642 poll => 'r',
2184 prio => 5, 2643 prio => 0,
2185 data => WF_AUTOCANCEL,
2186 cb => \&IO::AIO::poll_cb,
2187);
2188
2189Event->timer (
2190 data => WF_AUTOCANCEL, 2644 data => WF_AUTOCANCEL,
2191 after => 0, 2645 cb => \&BDB::poll_cb,
2192 interval => 10, 2646 );
2193 cb => sub { 2647 BDB::min_parallel 8;
2194 (Coro::unblock_sub { 2648
2195 write_runtime 2649 BDB::set_sync_prepare {
2196 or warn "ERROR: unable to write runtime file: $!"; 2650 my $status;
2651 my $current = $Coro::current;
2652 (
2653 sub {
2654 $status = $!;
2655 $current->ready; undef $current;
2656 },
2657 sub {
2658 Coro::schedule while defined $current;
2659 $! = $status;
2660 },
2661 )
2662 };
2663
2664 unless ($DB_ENV) {
2665 $DB_ENV = BDB::db_env_create;
2666
2667 cf::sync_job {
2668 eval {
2669 BDB::db_env_open
2670 $DB_ENV,
2671 $BDB_ENV_DIR,
2672 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674 0666;
2675
2676 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2677
2678 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679 $DB_ENV->set_lk_detect;
2680 };
2681
2682 cf::cleanup "db_env_open(db): $@" if $@;
2197 })->(); 2683 };
2198 }, 2684 }
2199); 2685}
2686
2687{
2688 IO::AIO::min_parallel 8;
2689
2690 undef $Coro::AIO::WATCHER;
2691 IO::AIO::max_poll_time $TICK * 0.1;
2692 $AIO_POLL_WATCHER = Event->io (
2693 reentrant => 0,
2694 data => WF_AUTOCANCEL,
2695 fd => IO::AIO::poll_fileno,
2696 poll => 'r',
2697 prio => 6,
2698 cb => \&IO::AIO::poll_cb,
2699 );
2700}
2200 2701
2201END { cf::emergency_save } 2702END { cf::emergency_save }
2202 2703
22031 27041
2204 2705

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