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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 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 3.61 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 27use YAML::Syck ();
28use IO::AIO 2.32 ();
24use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
25 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
27 39
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
30 42
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 44
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 46
35our %COMMAND = (); 47our %COMMAND = ();
36our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
38 54
55our $RELOAD; # number of reloads so far
39our @EVENT; 56our @EVENT;
40our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
41 58
42our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 63our $NEXT_TICK;
45our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
46 69
47our %CFG; 70our %CFG;
48 71
49our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 73our $RUNTIME;
51 74
75our %PLAYER; # all users
52our %MAP; # all maps 76our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 83
58binmode STDOUT; 84binmode STDOUT;
59binmode STDERR; 85binmode STDERR;
60 86
61# read virtual server time, if available 87# read virtual server time, if available
68mkdir cf::localdir; 94mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
73 100
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
77 104
78############################################################################# 105#############################################################################
79 106
80=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
81 108
105 132
106=item %cf::CFG 133=item %cf::CFG
107 134
108Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 136from wherever your confdir points to.
137
138=item cf::wait_for_tick, cf::wait_for_tick_begin
139
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110 143
111=back 144=back
112 145
113=cut 146=cut
114 147
118 utf8::encode $msg; 151 utf8::encode $msg;
119 152
120 $msg .= "\n" 153 $msg .= "\n"
121 unless $msg =~ /\n$/; 154 unless $msg =~ /\n$/;
122 155
123 LOG llevError, "cfperl: $msg"; 156 LOG llevError, $msg;
124 }; 157 };
125} 158}
126 159
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 179
147$Event::DIED = sub { 180$Event::DIED = sub {
148 warn "error in event callback: @_"; 181 warn "error in event callback: @_";
149}; 182};
150 183
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 184=head2 UTILITY FUNCTIONS
156 185
157=over 4 186=over 4
158 187
159=cut 188=item dumpval $ref
160 189
190=cut
191
192sub dumpval {
193 eval {
194 local $SIG{__DIE__};
195 my $d;
196 if (1) {
197 $d = new Data::Dumper([$_[0]], ["*var"]);
198 $d->Terse(1);
199 $d->Indent(2);
200 $d->Quotekeys(0);
201 $d->Useqq(1);
202 #$d->Bless(...);
203 $d->Seen($_[1]) if @_ > 1;
204 $d = $d->Dump();
205 }
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d
208 } || "[unable to dump $_[0]: '$@']";
209}
210
161use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 212
163=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
164 214
165Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
166 216
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
175 218
176Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
177 220
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184
185=item my $guard = cf::guard { BLOCK }
186
187Run the given callback when the guard object gets destroyed (useful for
188coroutine cancellations).
189
190You can call C<< ->cancel >> on the guard object to stop the block from
191being executed.
192
193=cut
194
195sub guard(&) {
196 bless \(my $cb = $_[0]), cf::guard::;
197}
198
199sub cf::guard::cancel {
200 ${$_[0]} = sub { };
201}
202
203sub cf::guard::DESTROY {
204 ${$_[0]}->();
205}
206
207=item cf::lock_wait $string 221=item cf::lock_wait $string
208 222
209Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
210 224
211=item my $lock = cf::lock_acquire $string 225=item my $lock = cf::lock_acquire $string
212 226
213Wait until the given lock is available and then acquires it and returns 227Wait until the given lock is available and then acquires it and returns
214a guard object. If the guard object gets destroyed (goes out of scope, 228a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215for example when the coroutine gets canceled), the lock is automatically 229for example when the coroutine gets canceled), the lock is automatically
216returned. 230returned.
217 231
218Lock names should begin with a unique identifier (for example, find_map 232Lock names should begin with a unique identifier (for example, cf::map::find
219uses map_find and load_map uses map_load). 233uses map_find and cf::map::load uses map_load).
220 234
221=cut 235=cut
222 236
223our %LOCK; 237our %LOCK;
224 238
238 # wait, to be sure we are not locked 252 # wait, to be sure we are not locked
239 lock_wait $key; 253 lock_wait $key;
240 254
241 $LOCK{$key} = []; 255 $LOCK{$key} = [];
242 256
243 cf::guard { 257 Coro::guard {
244 # wake up all waiters, to be on the safe side 258 # wake up all waiters, to be on the safe side
245 $_->ready for @{ delete $LOCK{$key} }; 259 $_->ready for @{ delete $LOCK{$key} };
246 } 260 }
247} 261}
248 262
263sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active;
265
266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
269 $TICK_WATCHER->stop;
270 $guard
271}
272
249=item cf::async { BLOCK } 273=item cf::async { BLOCK }
250 274
251Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 275Currently the same as Coro::async_pool, meaning you cannot use
252error instead of exiting the server in case of a problem. 276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it.
253 278
254=cut 279=cut
255 280
256sub async(&) { 281BEGIN { *async = \&Coro::async_pool }
257 my ($cb) = @_;
258
259 Coro::async {
260 eval { $cb->() };
261 warn $@ if $@;
262 }
263}
264 282
265=item cf::sync_job { BLOCK } 283=item cf::sync_job { BLOCK }
266 284
267The design of crossfire+ requires that the main coro ($Coro::main) is 285The design of crossfire+ requires that the main coro ($Coro::main) is
268always able to handle events or runnable, as crossfire+ is only partly 286always able to handle events or runnable, as crossfire+ is only partly
282 # this is the main coro, too bad, we have to block 300 # this is the main coro, too bad, we have to block
283 # till the operation succeeds, freezing the server :/ 301 # till the operation succeeds, freezing the server :/
284 302
285 # TODO: use suspend/resume instead 303 # TODO: use suspend/resume instead
286 # (but this is cancel-safe) 304 # (but this is cancel-safe)
287 local $FREEZE = 1; 305 my $freeze_guard = freeze_mainloop;
288 306
289 my $busy = 1; 307 my $busy = 1;
290 my @res; 308 my @res;
291 309
292 (Coro::async { 310 (async {
293 @res = eval { $job->() }; 311 @res = eval { $job->() };
294 warn $@ if $@; 312 warn $@ if $@;
295 undef $busy; 313 undef $busy;
296 })->prio (Coro::PRIO_MAX); 314 })->prio (Coro::PRIO_MAX);
297 315
298 while ($busy) { 316 while ($busy) {
299 Coro::cede_notself; 317 Coro::cede or Event::one_event;
300 Event::one_event unless Coro::nready;
301 } 318 }
302 319
303 wantarray ? @res : $res[0] 320 wantarray ? @res : $res[0]
304 } else { 321 } else {
305 # we are in another coroutine, how wonderful, everything just works 322 # we are in another coroutine, how wonderful, everything just works
306 323
307 $job->() 324 $job->()
308 } 325 }
309} 326}
310 327
311=item $coro = cf::coro { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
312 329
313Creates and returns a new coro. This coro is automcatially being canceled 330Like async, but this coro is automatically being canceled when the
314when the extension calling this is being unloaded. 331extension calling this is being unloaded.
315 332
316=cut 333=cut
317 334
318sub coro(&) { 335sub async_ext(&) {
319 my $cb = shift; 336 my $cb = shift;
320 337
321 my $coro = &cf::async ($cb); 338 my $coro = &Coro::async ($cb);
322 339
323 $coro->on_destroy (sub { 340 $coro->on_destroy (sub {
324 delete $EXT_CORO{$coro+0}; 341 delete $EXT_CORO{$coro+0};
325 }); 342 });
326 $EXT_CORO{$coro+0} = $coro; 343 $EXT_CORO{$coro+0} = $coro;
327 344
328 $coro 345 $coro
329} 346}
330 347
331sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
332 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
333 352
334 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335 or return; 354 or return;
336 355
356 my $value = $cf::RUNTIME + 90 + 10;
337 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
338 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
339 and return; 361 and return;
340 362
363 # always fsync - this file is important
341 aio_fsync $fh 364 aio_fsync $fh
342 and return; 365 and return;
343 366
344 close $fh 367 close $fh
345 or return; 368 or return;
348 and return; 371 and return;
349 372
350 1 373 1
351} 374}
352 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
353=back 387=back
354 388
355=cut 389=cut
356
357#############################################################################
358
359package cf::path;
360
361sub new {
362 my ($class, $path, $base) = @_;
363
364 $path = $path->as_string if ref $path;
365
366 my $self = bless { }, $class;
367
368 # {... are special paths that are not touched
369 # ?xxx/... are special absolute paths
370 # ?random/... random maps
371 # /! non-realised random map exit
372 # /... normal maps
373 # ~/... per-player maps without a specific player (DO NOT USE)
374 # ~user/... per-player map of a specific user
375
376 if ($path =~ /^{/) {
377 # fine as it is
378 } elsif ($path =~ s{^\?random/}{}) {
379 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380 $self->{random} = cf::from_json $data;
381 } else {
382 if ($path =~ s{^~([^/]+)?}{}) {
383 $self->{user_rel} = 1;
384
385 if (defined $1) {
386 $self->{user} = $1;
387 } elsif ($base =~ m{^~([^/]+)/}) {
388 $self->{user} = $1;
389 } else {
390 warn "cannot resolve user-relative path without user <$path,$base>\n";
391 }
392 } elsif ($path =~ /^\//) {
393 # already absolute
394 } else {
395 $base =~ s{[^/]+/?$}{};
396 return $class->new ("$base/$path");
397 }
398
399 for ($path) {
400 redo if s{/\.?/}{/};
401 redo if s{/[^/]+/\.\./}{/};
402 }
403 }
404
405 $self->{path} = $path;
406
407 $self
408}
409
410# the name / primary key / in-game path
411sub as_string {
412 my ($self) = @_;
413
414 $self->{user_rel} ? "~$self->{user}$self->{path}"
415 : $self->{random} ? "?random/$self->{path}"
416 : $self->{path}
417}
418
419# the displayed name, this is a one way mapping
420sub visible_name {
421 my ($self) = @_;
422
423# if (my $rmp = $self->{random}) {
424# # todo: be more intelligent about this
425# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426# } else {
427 $self->as_string
428# }
429}
430
431# escape the /'s in the path
432sub _escaped_path {
433 # ∕ is U+2215
434 (my $path = $_[0]{path}) =~ s/\//∕/g;
435 $path
436}
437
438# the original (read-only) location
439sub load_path {
440 my ($self) = @_;
441
442 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443}
444
445# the temporary/swap location
446sub save_path {
447 my ($self) = @_;
448
449 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452}
453
454# the unique path, might be eq to save_path
455sub uniq_path {
456 my ($self) = @_;
457
458 $self->{user_rel} || $self->{random}
459 ? undef
460 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461}
462
463# return random map parameters, or undef
464sub random_map_params {
465 my ($self) = @_;
466
467 $self->{random}
468}
469
470# this is somewhat ugly, but style maps do need special treatment
471sub is_style_map {
472 $_[0]{path} =~ m{^/styles/}
473}
474
475package cf;
476 390
477############################################################################# 391#############################################################################
478 392
479=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
480 394
606our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
607our @CB_MAP = (); 521our @CB_MAP = ();
608 522
609my %attachment; 523my %attachment;
610 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
611sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
612 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
613 533
614 use sort 'stable'; 534 use sort 'stable';
615 535
786# object support 706# object support
787 707
788sub reattach { 708sub reattach {
789 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
790 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791 713
792 my $registry = $obj->registry; 714 my $registry = $obj->registry;
793 715
794 @$registry = (); 716 @$registry = ();
795 717
842 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
843 765
844 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
846 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
848 close $fh; 770 close $fh;
849 771
850 if (@$objs) { 772 if (@$objs) {
851 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
853 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
854 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
855 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
856 close $fh; 778 close $fh;
857 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
858 } 780 }
859 } else { 781 } else {
860 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
927=cut 849=cut
928 850
929sub register_extcmd { 851sub register_extcmd {
930 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
931 853
932 my $caller = caller;
933 #warn "registering extcmd '$name' to '$caller'";
934
935 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
936} 855}
937 856
938cf::player->attach ( 857cf::player->attach (
939 on_command => sub { 858 on_command => sub {
940 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
953 872
954 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
955 874
956 if (ref $msg) { 875 if (ref $msg) {
957 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
959 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
960 } 879 }
961 } 880 }
962 } else { 881 } else {
963 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965 884
966 cf::override; 885 cf::override;
967 }, 886 },
968); 887);
969 888
970sub register {
971 my ($base, $pkg) = @_;
972
973 #TODO
974}
975
976sub load_extension { 889sub load_extension {
977 my ($path) = @_; 890 my ($path) = @_;
978 891
979 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
980 my $base = $1; 893 my $base = $1;
981 my $pkg = $1; 894 my $pkg = $1;
982 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
983 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
984 897
985 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
986 899
987 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
988 or die "$path: $!"; 901 or die "$path: $!";
989 902
990 my $source = 903 my $source =
991 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
992 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
993 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
994 . "\n};\n1"; 907 . "\n};\n1";
995 908
996 eval $source 909 unless (eval $source) {
997 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
998 : "extension disabled.\n"; 911 : "extension disabled.\n";
999 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000 push @exts, $pkg; 913 warn $@;
1001 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
1002 915 exit 1;
1003# no strict 'refs'; 916 }
1004# @{"$pkg\::ISA"} = ext::; 917 die $@;
1005
1006 register $base, $pkg;
1007}
1008
1009sub unload_extension {
1010 my ($pkg) = @_;
1011
1012 warn "removing extension $pkg\n";
1013
1014 # remove hooks
1015 #TODO
1016# for my $idx (0 .. $#PLUGIN_EVENT) {
1017# delete $hook[$idx]{$pkg};
1018# } 918 }
1019 919
1020 # remove commands 920 push @EXTS, $pkg;
1021 for my $name (keys %COMMAND) {
1022 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024 if (@cb) {
1025 $COMMAND{$name} = \@cb;
1026 } else {
1027 delete $COMMAND{$name};
1028 }
1029 }
1030
1031 # remove extcmds
1032 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033 delete $EXTCMD{$name};
1034 }
1035
1036 if (my $cb = $pkg->can ("unload")) {
1037 eval {
1038 $cb->($pkg);
1039 1
1040 } or warn "$pkg unloaded, but with errors: $@";
1041 }
1042
1043 Symbol::delete_package $pkg;
1044} 921}
1045 922
1046sub load_extensions { 923sub load_extensions {
1047 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1048 next unless -r $ext; 925 next unless -r $ext;
1052 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1053 } 930 }
1054} 931}
1055 932
1056############################################################################# 933#############################################################################
1057# load/save/clean perl data associated with a map
1058
1059*cf::mapsupport::on_clean = sub {
1060 my ($map) = @_;
1061
1062 my $path = $map->tmpname;
1063 defined $path or return;
1064
1065 unlink "$path.pst";
1066};
1067
1068cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070#############################################################################
1071# load/save perl data associated with player->ob objects
1072
1073sub all_objects(@) {
1074 @_, map all_objects ($_->inv), @_
1075}
1076
1077# TODO: compatibility cruft, remove when no longer needed
1078cf::player->attach (
1079 on_load => sub {
1080 my ($pl, $path) = @_;
1081
1082 for my $o (all_objects $pl->ob) {
1083 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084 $o->set_ob_key_value ("_perl_data");
1085
1086 %$o = %{ Storable::thaw pack "H*", $value };
1087 }
1088 }
1089 },
1090);
1091
1092#############################################################################
1093 934
1094=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1095 936
1096Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1097 938
939=cut
940
941package cf::player;
942
943use Coro::AIO;
944
1098=head3 cf::player 945=head3 cf::player
1099 946
1100=over 4 947=over 4
1101 948
1102=item cf::player::exists $login 949=item cf::player::find $login
1103 950
1104Returns true when the given account exists. 951Returns the given player object, loading it if necessary (might block).
1105 952
1106=cut 953=cut
1107 954
1108sub cf::player::exists($) { 955sub playerdir($) {
1109 cf::player::find $_[0] 956 cf::localdir
1110 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1111} 961}
1112 962
963sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965
966 (playerdir $login) . "/playerdata"
967}
968
969sub find_active($) {
970 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active
972 and $cf::PLAYER{$_[0]}
973}
974
975sub exists($) {
976 my ($login) = @_;
977
978 $cf::PLAYER{$login}
979 or cf::sync_job { !aio_stat path $login }
980}
981
982sub find($) {
983 return $cf::PLAYER{$_[0]} || do {
984 my $login = $_[0];
985
986 my $guard = cf::lock_acquire "user_find:$login";
987
988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
996 my $pl = load_pl path $login
997 or return;
998 $cf::PLAYER{$login} = $pl
999 }
1000 }
1001}
1002
1003sub save($) {
1004 my ($pl) = @_;
1005
1006 return if $pl->{deny_save};
1007
1008 my $path = path $pl;
1009 my $guard = cf::lock_acquire "user_save:$path";
1010
1011 return if $pl->{deny_save};
1012
1013 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME;
1015
1016 $pl->save_pl ($path);
1017 Coro::cede;
1018}
1019
1020sub new($) {
1021 my ($login) = @_;
1022
1023 my $self = create;
1024
1025 $self->ob->name ($login);
1026 $self->{deny_save} = 1;
1027
1028 $cf::PLAYER{$login} = $self;
1029
1030 $self
1031}
1032
1033=item $pl->quit_character
1034
1035Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time.
1037
1038=cut
1039
1040sub quit_character {
1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1044
1045 $pl->{deny_save} = 1;
1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1047
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns;
1052
1053 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1055 aio_rename $path, $temp;
1056 delete $cf::PLAYER{$pl->ob->name};
1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1079}
1080
1081=item cf::player::list_logins
1082
1083Returns am arrayref of all valid playernames in the system, can take a
1084while and may block, so not sync_job-capable, ever.
1085
1086=cut
1087
1088sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1090 or return [];
1091
1092 my @logins;
1093
1094 for my $login (@$dirs) {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag
1098
1099 utf8::decode $login;
1100 push @logins, $login;
1101 }
1102
1103 \@logins
1104}
1105
1106=item $player->maps
1107
1108Returns an arrayref of map paths that are private for this
1109player. May block.
1110
1111=cut
1112
1113sub maps($) {
1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1117
1118 my $files = aio_readdir playerdir $pl
1119 or return;
1120
1121 my @paths;
1122
1123 for (@$files) {
1124 utf8::decode $_;
1125 next if /\.(?:pl|pst)$/;
1126 next unless /^$PATH_SEP/o;
1127
1128 push @paths, cf::map::normalise "~$pl/$_";
1129 }
1130
1131 \@paths
1132}
1133
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1114 1135
1115Sends an ext reply to the player. 1136Sends an ext reply to the player.
1116 1137
1117=cut 1138=cut
1118 1139
1119sub cf::player::ext_reply($$$%) { 1140sub ext_reply($$%) {
1120 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1121 1142
1122 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1123 1144
1124 $self->send ("ext " . to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1146}
1147
1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1125} 1187}
1126 1188
1127=back 1189=back
1128
1129 1190
1130=head3 cf::map 1191=head3 cf::map
1131 1192
1132=over 4 1193=over 4
1133 1194
1136package cf::map; 1197package cf::map;
1137 1198
1138use Fcntl; 1199use Fcntl;
1139use Coro::AIO; 1200use Coro::AIO;
1140 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1141our $MAX_RESET = 7200; 1206our $MAX_RESET = 3600;
1142our $DEFAULT_RESET = 3600; 1207our $DEFAULT_RESET = 3000;
1143 1208
1144sub generate_random_map { 1209sub generate_random_map {
1145 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1146
1147 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1148 cf::map::_create_random_map 1212 $self->_create_random_map (
1149 $path,
1150 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1154 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1155 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1221 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160 (cf::region::find $rmp->{region}) 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1224 )
1225}
1226
1227=item cf::map->register ($regex, $prio)
1228
1229Register a handler for the map path matching the given regex at the
1230givne priority (higher is better, built-in handlers have priority 0, the
1231default).
1232
1233=cut
1234
1235sub register {
1236 my (undef, $regex, $prio) = @_;
1237 my $pkg = caller;
1238
1239 no strict;
1240 push @{"$pkg\::ISA"}, __PACKAGE__;
1241
1242 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243}
1244
1245# also paths starting with '/'
1246$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1247
1248sub thawer_merge {
1249 my ($self, $merge) = @_;
1250
1251 # we have to keep some variables in memory intact
1252 local $self->{path};
1253 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256
1257 $self->SUPER::thawer_merge ($merge);
1258}
1259
1260sub normalise {
1261 my ($path, $base) = @_;
1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1267 # map plan:
1268 #
1269 # /! non-realised random map exit (special hack!)
1270 # {... are special paths that are not being touched
1271 # ?xxx/... are special absolute paths
1272 # ?random/... random maps
1273 # /... normal maps
1274 # ~user/... per-player map of a specific user
1275
1276 $path =~ s/$PATH_SEP/\//go;
1277
1278 # treat it as relative path if it starts with
1279 # something that looks reasonable
1280 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1281 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1282
1283 $base =~ s{[^/]+/?$}{};
1284 $path = "$base/$path";
1285 }
1286
1287 for ($path) {
1288 redo if s{//}{/};
1289 redo if s{/\.?/}{/};
1290 redo if s{/[^/]+/\.\./}{/};
1291 }
1292
1293 $path
1294}
1295
1296sub new_from_path {
1297 my (undef, $path, $base) = @_;
1298
1299 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1300
1301 $path = normalise $path, $base;
1302
1303 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1304 if ($path =~ $EXT_MAP{$pkg}[1]) {
1305 my $self = bless cf::map::new, $pkg;
1306 $self->{path} = $path; $self->path ($path);
1307 $self->init; # pass $1 etc.
1308 return $self;
1309 }
1310 }
1311
1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1313 ()
1314}
1315
1316sub init {
1317 my ($self) = @_;
1318
1319 $self
1320}
1321
1322sub as_string {
1323 my ($self) = @_;
1324
1325 "$self->{path}"
1326}
1327
1328# the displayed name, this is a one way mapping
1329sub visible_name {
1330 &as_string
1331}
1332
1333# the original (read-only) location
1334sub load_path {
1335 my ($self) = @_;
1336
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1338}
1339
1340# the temporary/swap location
1341sub save_path {
1342 my ($self) = @_;
1343
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1346}
1347
1348# the unique path, undef == no special unique path
1349sub uniq_path {
1350 my ($self) = @_;
1351
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161} 1354}
1162 1355
1163# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1164# all maps in C++... 1357# all maps in C++...
1165sub change_all_map_light { 1358sub change_all_map_light {
1167 1360
1168 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1169 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1170} 1363}
1171 1364
1365sub unlink_save {
1366 my ($self) = @_;
1367
1368 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1371}
1372
1172sub try_load_header($) { 1373sub load_header_from($) {
1173 my ($path) = @_; 1374 my ($self, $path) = @_;
1174 1375
1175 utf8::encode $path; 1376 utf8::encode $path;
1176 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1177 or return; 1381 or return;
1178 1382
1179 my $map = cf::map::new 1383 $self->{load_path} = $path;
1384
1385 1
1386}
1387
1388sub load_header_orig {
1389 my ($self) = @_;
1390
1391 $self->load_header_from ($self->load_path)
1392}
1393
1394sub load_header_temp {
1395 my ($self) = @_;
1396
1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1417}
1418
1419sub load_header {
1420 my ($self) = @_;
1421
1422 if ($self->load_header_temp) {
1423 $self->prepare_temp;
1424 } else {
1425 $self->load_header_orig
1180 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1181 1429
1182 $map->load_header ($path) 1430 $self->default_region (cf::region::find_by_path $self->{path})
1183 or return; 1431 unless $self->default_region;
1184 1432
1185 $map->{load_path} = $path; 1433 1
1186
1187 $map
1188} 1434}
1189 1435
1190sub find_map; 1436sub find;
1191sub find_map { 1437sub find {
1192 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1193 1439
1194 #warn "find_map<$path,$origin>\n";#d#
1195
1196 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1197 my $key = $path->as_string;
1198 1441
1199 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1200 1443
1201 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1202 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1203 1446 my $map = new_from_path cf::map $path
1204 # do it the slow way
1205 my $map = try_load_header $path->save_path;
1206
1207 if ($map) {
1208 $map->last_access ((delete $map->{last_access})
1209 || $cf::RUNTIME); #d#
1210 # safety
1211 $map->{instantiate_time} = $cf::RUNTIME
1212 if $map->{instantiate_time} > $cf::RUNTIME;
1213 } else {
1214 if (my $rmp = $path->random_map_params) {
1215 $map = generate_random_map $key, $rmp;
1216 } else {
1217 $map = try_load_header $path->load_path;
1218 }
1219
1220 $map or return; 1447 or return;
1221 1448
1222 $map->{load_original} = 1;
1223 $map->{instantiate_time} = $cf::RUNTIME;
1224 $map->last_access ($cf::RUNTIME);
1225 $map->instantiate;
1226
1227 # per-player maps become, after loading, normal maps
1228 $map->per_player (0) if $path->{user_rel};
1229 }
1230
1231 $map->path ($key);
1232 $map->{path} = $path;
1233 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1234 1450
1235 if ($map->should_reset) { 1451 $map->load_header
1452 or return;
1453
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait;
1236 $map->reset; 1457 $map->reset;
1237 undef $guard; 1458 undef $guard;
1238 $map = find_map $path 1459 return find $path;
1239 or return;
1240 } 1460 }
1241 1461
1242 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1243 } 1463 }
1244} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1245 1468
1246sub load { 1469sub load {
1247 my ($self) = @_; 1470 my ($self) = @_;
1248 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1249 my $path = $self->{path}; 1474 my $path = $self->{path};
1250 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1251 1476
1252 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1253 1478
1254 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1255 1480
1256 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1257 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1258 or return; 1487 or return;
1259 1488
1260 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1262 1491
1263 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1264 utf8::encode $uniq; 1493 utf8::encode $uniq;
1265 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1266 $self->clear_unique_items; 1495 $self->clear_unique_items;
1267 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1268 } 1497 }
1269 } 1498 }
1270 1499
1500 Coro::cede;
1271 # now do the right thing for maps 1501 # now do the right thing for maps
1272 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1273 1504
1274 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1275 $self->{deny_save} = 1; 1506 $self->decay_objects;
1276 $self->{deny_reset} = 1;
1277 } else {
1278 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1279 $self->decay_objects;
1280 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1281 $self->set_darkness_map; 1510 $self->set_darkness_map;
1282 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1283 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1284 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1285 } 1516 }
1517
1518 $self->post_load;
1519 Coro::cede;
1286 1520
1287 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1288} 1522}
1289 1523
1290sub load_map_sync { 1524sub customise_for {
1525 my ($self, $ob) = @_;
1526
1527 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player;
1529
1530 $self
1531}
1532
1533# find and load all maps in the 3x3 area around a map
1534sub load_diag {
1535 my ($map) = @_;
1536
1537 my @diag; # diagonal neighbours
1538
1539 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_)
1541 or next;
1542 $neigh = find $neigh, $map
1543 or next;
1544 $neigh->load;
1545
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 }
1549
1550 for (@diag) {
1551 my $neigh = find @$_
1552 or next;
1553 $neigh->load;
1554 }
1555}
1556
1557sub find_sync {
1291 my ($path, $origin) = @_; 1558 my ($path, $origin) = @_;
1292 1559
1293 #warn "load_map_sync<$path, $origin>\n";#d# 1560 cf::sync_job { find $path, $origin }
1561}
1294 1562
1295 cf::sync_job { 1563sub do_load_sync {
1296 my $map = cf::map::find_map $path, $origin 1564 my ($map) = @_;
1297 or return; 1565
1566 cf::sync_job { $map->load };
1567}
1568
1569our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef;
1571
1572sub find_async {
1573 my ($path, $origin) = @_;
1574
1575 $path = normalise $path, $origin && $origin->{path};
1576
1577 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1579 }
1580
1581 undef $MAP_PREFETCH{$path};
1582 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) {
1585 my $map = find $path
1586 or next;
1298 $map->load; 1587 $map->load;
1299 $map 1588
1589 delete $MAP_PREFETCH{$path};
1590 }
1591 }
1592 undef $MAP_PREFETCHER;
1300 } 1593 };
1594 $MAP_PREFETCHER->prio (6);
1595
1596 ()
1301} 1597}
1302 1598
1303sub save { 1599sub save {
1304 my ($self) = @_; 1600 my ($self) = @_;
1305 1601
1602 my $lock = cf::lock_acquire "map_data:" . $self->path;
1603
1306 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1307 1605
1308 return unless $self->dirty; 1606 return unless $self->dirty;
1309 1607
1310 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1311 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1312 1610
1313 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1314 1612
1315 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1316 1614
1317 local $self->{last_access} = $self->last_access;#d# 1615 local $self->{last_access} = $self->last_access;#d#
1318 1616
1617 cf::async {
1618 $_->contr->save for $self->players;
1619 };
1620
1319 if ($uniq) { 1621 if ($uniq) {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1322 } else { 1624 } else {
1323 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324 } 1626 }
1325} 1627}
1326 1628
1327sub swap_out { 1629sub swap_out {
1328 my ($self) = @_; 1630 my ($self) = @_;
1329 1631
1330 # save first because save cedes 1632 # save first because save cedes
1331 $self->save; 1633 $self->save;
1634
1635 my $lock = cf::lock_acquire "map_data:" . $self->path;
1332 1636
1333 return if $self->players; 1637 return if $self->players;
1334 return if $self->in_memory != cf::MAP_IN_MEMORY; 1638 return if $self->in_memory != cf::MAP_IN_MEMORY;
1335 return if $self->{deny_save}; 1639 return if $self->{deny_save};
1336 1640
1340 1644
1341sub reset_at { 1645sub reset_at {
1342 my ($self) = @_; 1646 my ($self) = @_;
1343 1647
1344 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1345 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1346 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1347 1651
1348 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350 1654
1355 my ($self) = @_; 1659 my ($self) = @_;
1356 1660
1357 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1358} 1662}
1359 1663
1360sub unlink_save {
1361 my ($self) = @_;
1362
1363 utf8::encode (my $save = $self->{path}->save_path);
1364 aioreq_pri 3; IO::AIO::aio_unlink $save;
1365 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366}
1367
1368sub rename {
1369 my ($self, $new_path) = @_;
1370
1371 $self->unlink_save;
1372
1373 delete $cf::MAP{$self->path};
1374 $self->{path} = new cf::path $new_path;
1375 $self->path ($self->{path}->as_string);
1376 $cf::MAP{$self->path} = $self;
1377
1378 $self->save;
1379}
1380
1381sub reset { 1664sub reset {
1382 my ($self) = @_; 1665 my ($self) = @_;
1383 1666
1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668
1384 return if $self->players; 1669 return if $self->players;
1385 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1386 1671
1387 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1388 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1389 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1390 1687
1391 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1392 1689
1393 $self->unlink_save; 1690 $self->unlink_save;
1394 $self->destroy; 1691 $self->destroy;
1397my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1398 1695
1399sub nuke { 1696sub nuke {
1400 my ($self) = @_; 1697 my ($self) = @_;
1401 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1402 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1403 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1404 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1405 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1406} 1712}
1407 1713
1408sub customise_for { 1714=item cf::map::unique_maps
1409 my ($map, $ob) = @_;
1410 1715
1411 if ($map->per_player) { 1716Returns an arrayref of paths of all shared maps that have
1412 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1717instantiated unique items. May block.
1413 }
1414 1718
1415 $map 1719=cut
1416}
1417 1720
1418sub emergency_save { 1721sub unique_maps() {
1419 local $cf::FREEZE = 1; 1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1723 or return;
1420 1724
1421 warn "enter emergency map save\n"; 1725 my @paths;
1422 1726
1423 cf::sync_job { 1727 for (@$files) {
1424 warn "begin emergency map save\n"; 1728 utf8::decode $_;
1425 $_->save for values %cf::MAP; 1729 next if /\.pst$/;
1730 next unless /^$PATH_SEP/o;
1731
1732 push @paths, cf::map::normalise $_;
1426 }; 1733 }
1427 1734
1428 warn "end emergency map save\n"; 1735 \@paths
1429} 1736}
1430 1737
1431package cf; 1738package cf;
1432 1739
1433=back 1740=back
1434 1741
1742=head3 cf::object
1743
1744=cut
1745
1746package cf::object;
1747
1748=over 4
1749
1750=item $ob->inv_recursive
1751
1752Returns the inventory of the object _and_ their inventories, recursively.
1753
1754=cut
1755
1756sub inv_recursive_;
1757sub inv_recursive_ {
1758 map { $_, inv_recursive_ $_->inv } @_
1759}
1760
1761sub inv_recursive {
1762 inv_recursive_ inv $_[0]
1763}
1764
1765package cf;
1766
1767=back
1435 1768
1436=head3 cf::object::player 1769=head3 cf::object::player
1437 1770
1438=over 4 1771=over 4
1439 1772
1479 1812
1480=item $player_object->enter_link 1813=item $player_object->enter_link
1481 1814
1482Freezes the player and moves him/her to a special map (C<{link}>). 1815Freezes the player and moves him/her to a special map (C<{link}>).
1483 1816
1484The player should be reaosnably safe there for short amounts of time. You 1817The player should be reasonably safe there for short amounts of time. You
1485I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1486 1819
1820Will never block.
1821
1487=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1488 1823
1489Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1490map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1491location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1492to the emergency map position. 1827fails, to the emergency map position.
1493 1828
1494Might block. 1829Might block.
1495 1830
1496=cut 1831=cut
1832
1833sub link_map {
1834 unless ($LINK_MAP) {
1835 $LINK_MAP = cf::map::find "{link}"
1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1837 $LINK_MAP->load;
1838 }
1839
1840 $LINK_MAP
1841}
1497 1842
1498sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1499 my ($self) = @_; 1844 my ($self) = @_;
1500 1845
1501 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1502 1847
1503 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1504 1849
1505 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506 if $self->map; 1851 if $self->map;
1507 1852
1508 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1509} 1854}
1510 1855
1511sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1512 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1513 1858
1514 my $link_pos = delete $self->{_link_pos}; 1859 my $link_pos = delete $self->{_link_pos};
1515 1860
1516 unless ($map) { 1861 unless ($map) {
1517 # restore original map position 1862 # restore original map position
1518 ($map, $x, $y) = @{ $link_pos || [] }; 1863 ($map, $x, $y) = @{ $link_pos || [] };
1519 $map = cf::map::find_map $map; 1864 $map = cf::map::find $map;
1520 1865
1521 unless ($map) { 1866 unless ($map) {
1522 ($map, $x, $y) = @$EMERGENCY_POSITION; 1867 ($map, $x, $y) = @$EMERGENCY_POSITION;
1523 $map = cf::map::find_map $map 1868 $map = cf::map::find $map
1524 or die "FATAL: cannot load emergency map\n"; 1869 or die "FATAL: cannot load emergency map\n";
1525 } 1870 }
1526 } 1871 }
1527 1872
1528 ($x, $y) = (-1, -1) 1873 ($x, $y) = (-1, -1)
1531 # use -1 or undef as default coordinates, not 0, 0 1876 # use -1 or undef as default coordinates, not 0, 0
1532 ($x, $y) = ($map->enter_x, $map->enter_y) 1877 ($x, $y) = ($map->enter_x, $map->enter_y)
1533 if $x <=0 && $y <= 0; 1878 if $x <=0 && $y <= 0;
1534 1879
1535 $map->load; 1880 $map->load;
1881 $map->load_diag;
1536 1882
1883 return unless $self->contr->active;
1537 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1539} 1888}
1540 1889
1541cf::player->attach ( 1890cf::player->attach (
1542 on_logout => sub { 1891 on_logout => sub {
1554 1903
1555 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1556 # should happen only on crashes 1905 # should happen only on crashes
1557 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1558 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1559 cf::async { 1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1560 # we need this sleep as the login has a concurrent enter_exit running 1913 # we need this sleep as the login has a concurrent enter_exit running
1561 # and this sleep increases chances of the player not ending up in scorn 1914 # and this sleep increases chances of the player not ending up in scorn
1562 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1563 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1564 }; 1917 })->prio (2);
1565 } 1918 }
1566 }, 1919 },
1567); 1920);
1568 1921
1569=item $player_object->goto_map ($path, $x, $y) 1922=item $player_object->goto ($path, $x, $y)
1570 1923
1571=cut 1924=cut
1572 1925
1573sub cf::object::player::goto_map { 1926sub cf::object::player::goto {
1574 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1575 1928
1576 $self->enter_link; 1929 $self->enter_link;
1577 1930
1578 (cf::async { 1931 (async {
1579 $path = new cf::path $path; 1932 my $map = eval {
1580
1581 my $map = cf::map::find_map $path->as_string; 1933 my $map = cf::map::find $path;
1582 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1583 1935 $map
1584# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1585# if $map;
1586
1587 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588 1938
1589 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1590 })->prio (1); 1940 })->prio (1);
1591} 1941}
1592 1942
1596 1946
1597sub parse_random_map_params { 1947sub parse_random_map_params {
1598 my ($spec) = @_; 1948 my ($spec) = @_;
1599 1949
1600 my $rmp = { # defaults 1950 my $rmp = { # defaults
1601 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1602 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1603 }; 1955 };
1604 1956
1605 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1606 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1607 1959
1611 $rmp 1963 $rmp
1612} 1964}
1613 1965
1614sub prepare_random_map { 1966sub prepare_random_map {
1615 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1616 1970
1617 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1618 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1619 # that depends on the exit object 1973 # that depends on the exit object
1620 1974
1621 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1622 1976
1623 if ($exit->map) { 1977 if ($exit->map) {
1624 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1625 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1626 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1627 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1628 } 1982 }
1629 1983
1630 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1631 1985
1632 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1633 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634 1989
1635 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636 aio_write $fh, 0, (length $data), $data, 0; 1991 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh;
1993 aio_rename "$meta~", $meta;
1637 1994
1638 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1639 $exit->msg (undef); 1996 $exit->msg (undef);
1640 } 1997 }
1641} 1998}
1643sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1644 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1645 2002
1646 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
1647 2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
2015
1648 $self->enter_link; 2016 $self->enter_link;
1649 2017
1650 (cf::async { 2018 (async {
2019 $self->deactivate_recursive; # just to be sure
1651 unless (eval { 2020 unless (eval {
1652 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1653 if $exit->slaying eq "/!";
1654
1655 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657 2022
1658 1; 2023 1;
1659 }) { 2024 }) {
1660 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1661 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1662 . "Please report this to the dungeon master", 2027 . "Please report this to the dungeon master!",
1663 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1664 2029
1665 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1666 $self->leave_link; 2031 $self->leave_link;
1667 } 2032 }
1668 })->prio (1); 2033 })->prio (1);
1681 2046
1682sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1683 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1684 2049
1685 utf8::encode $text; 2050 utf8::encode $text;
1686 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687} 2052}
1688 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1689 2066
1690=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1691 2068
1692Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1693the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1722 # get handled first 2099 # get handled first
1723 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1724 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1725 2102
1726 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727 2105
1728 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1729 2107
1730 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1731 if (@$queue) { 2109 if (@$queue) {
1735 } 2113 }
1736 } 2114 }
1737 }, 2115 },
1738); 2116);
1739 2117
1740=item $client->coro (\&cb) 2118=item $client->async (\&cb)
1741 2119
1742Create a new coroutine, running the specified callback. The coroutine will 2120Create a new coroutine, running the specified callback. The coroutine will
1743be automatically cancelled when the client gets destroyed (e.g. on logout, 2121be automatically cancelled when the client gets destroyed (e.g. on logout,
1744or loss of connection). 2122or loss of connection).
1745 2123
1746=cut 2124=cut
1747 2125
1748sub cf::client::coro { 2126sub cf::client::async {
1749 my ($self, $cb) = @_; 2127 my ($self, $cb) = @_;
1750 2128
1751 my $coro = &cf::async ($cb); 2129 my $coro = &Coro::async ($cb);
1752 2130
1753 $coro->on_destroy (sub { 2131 $coro->on_destroy (sub {
1754 delete $self->{_coro}{$coro+0}; 2132 delete $self->{_coro}{$coro+0};
1755 }); 2133 });
1756 2134
1789 2167
1790# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
1791 2169
1792=pod 2170=pod
1793 2171
1794The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
1795 2173
1796 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
1797 cf::object::player player 2175 cf::object::player player
1798 cf::player peaceful 2176 cf::player peaceful
1799 cf::map trigger 2177 cf::map trigger
1892The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
1893using it, it should be unique. 2271using it, it should be unique.
1894 2272
1895=over 4 2273=over 4
1896 2274
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 2275=item $value = cf::db_get $family => $key
1904 2276
1905Returns a single value from the database 2277Returns 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 2278
1912=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
1913 2280
1914Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores 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 2282
1925=cut 2283=cut
1926 2284
1927our $DB; 2285our $DB;
1928 2286
1929{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
1930 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
1931 2306
1932 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
1933 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
1934 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
1935 2311
1936 my $pid; 2312 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 } 2313 };
1946 }
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 });
1958
1959 sub db_dirty() {
1960 $dirty = 1;
1961 $idle->start;
1962 }
1963
1964 sub db_get($;$) {
1965 @_ >= 2
1966 ? $DB->{$_[0]}{$_[1]}
1967 : ($DB->{$_[0]} ||= { })
1968 }
1969
1970 sub db_put($$;$) {
1971 if (@_ >= 3) {
1972 $DB->{$_[0]}{$_[1]} = $_[2];
1973 } else {
1974 $DB->{$_[0]} = $_[1];
1975 }
1976 db_dirty;
1977 }
1978
1979 cf::global->attach (
1980 prio => 10000,
1981 on_cleanup => sub {
1982 db_sync;
1983 }, 2314 }
1984 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985} 2332}
1986 2333
1987############################################################################# 2334#############################################################################
1988# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata {
2338 my $path = sprintf "%s/facedata", cf::datadir;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub load_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir
2392}
2393
2394sub load_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir
2396}
2397
2398sub reload_resources {
2399 warn "reloading resource files...\n";
2400
2401 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402 or die "unable to load regions file\n";
2403 load_facedata
2404 or die "unable to load facedata\n";
2405 load_archetypes
2406 or die "unable to load archetypes\n";
2407 load_treasures
2408 or die "unable to load treasurelists\n";
2409
2410 warn "finished reloading resource files\n";
2411}
2412
2413sub init {
2414 reload_resources;
2415}
1989 2416
1990sub cfg_load { 2417sub cfg_load {
1991 open my $fh, "<:utf8", cf::confdir . "/config" 2418 open my $fh, "<:utf8", cf::confdir . "/config"
1992 or return; 2419 or return;
1993 2420
1994 local $/; 2421 local $/;
1995 *CFG = YAML::Syck::Load <$fh>; 2422 *CFG = YAML::Syck::Load <$fh>;
1996 2423
1997 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2424 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998 2425
2426 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2428
1999 if (exists $CFG{mlockall}) { 2429 if (exists $CFG{mlockall}) {
2000 eval { 2430 eval {
2001 $CFG{mlockall} ? &mlockall : &munlockall 2431 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002 and die "WARNING: m(un)lockall failed: $!\n"; 2432 and die "WARNING: m(un)lockall failed: $!\n";
2003 }; 2433 };
2004 warn $@ if $@; 2434 warn $@ if $@;
2005 } 2435 }
2006} 2436}
2007 2437
2008sub main { 2438sub main {
2009 # we must not ever block the main coroutine 2439 # we must not ever block the main coroutine
2010 local $Coro::idle = sub { 2440 local $Coro::idle = sub {
2011 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2441 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012 (Coro::unblock_sub { 2442 (async {
2013 Event::one_event; 2443 Event::one_event;
2014 })->(); 2444 })->prio (Coro::PRIO_MAX);
2015 }; 2445 };
2016 2446
2017 cfg_load; 2447 cfg_load;
2018 db_load; 2448 db_init;
2019 load_extensions; 2449 load_extensions;
2450
2451 $TICK_WATCHER->start;
2020 Event::loop; 2452 Event::loop;
2021} 2453}
2022 2454
2023############################################################################# 2455#############################################################################
2024# initialisation 2456# initialisation and cleanup
2457
2458# install some emergency cleanup handlers
2459BEGIN {
2460 for my $signal (qw(INT HUP TERM)) {
2461 Event->signal (
2462 reentrant => 0,
2463 data => WF_AUTOCANCEL,
2464 signal => $signal,
2465 prio => 0,
2466 cb => sub {
2467 cf::cleanup "SIG$signal";
2468 },
2469 );
2470 }
2471}
2472
2473sub emergency_save() {
2474 my $freeze_guard = cf::freeze_mainloop;
2475
2476 warn "enter emergency perl save\n";
2477
2478 cf::sync_job {
2479 # use a peculiar iteration method to avoid tripping on perl
2480 # refcount bugs in for. also avoids problems with players
2481 # and maps saved/destroyed asynchronously.
2482 warn "begin emergency player save\n";
2483 for my $login (keys %cf::PLAYER) {
2484 my $pl = $cf::PLAYER{$login} or next;
2485 $pl->valid or next;
2486 $pl->save;
2487 }
2488 warn "end emergency player save\n";
2489
2490 warn "begin emergency map save\n";
2491 for my $path (keys %cf::MAP) {
2492 my $map = $cf::MAP{$path} or next;
2493 $map->valid or next;
2494 $map->save;
2495 }
2496 warn "end emergency map save\n";
2497
2498 warn "begin emergency database checkpoint\n";
2499 BDB::db_env_txn_checkpoint $DB_ENV;
2500 warn "end emergency database checkpoint\n";
2501 };
2502
2503 warn "leave emergency perl save\n";
2504}
2505
2506sub post_cleanup {
2507 my ($make_core) = @_;
2508
2509 warn Carp::longmess "post_cleanup backtrace"
2510 if $make_core;
2511}
2025 2512
2026sub reload() { 2513sub reload() {
2027 # can/must only be called in main 2514 # can/must only be called in main
2028 if ($Coro::current != $Coro::main) { 2515 if ($Coro::current != $Coro::main) {
2029 warn "can only reload from main coroutine\n"; 2516 warn "can only reload from main coroutine";
2030 return; 2517 return;
2031 } 2518 }
2032 2519
2033 warn "reloading..."; 2520 warn "reloading...";
2034 2521
2035 local $FREEZE = 1; 2522 warn "entering sync_job";
2523
2524 cf::sync_job {
2525 cf::write_runtime; # external watchdog should not bark
2036 cf::emergency_save; 2526 cf::emergency_save;
2527 cf::write_runtime; # external watchdog should not bark
2037 2528
2038 eval { 2529 warn "syncing database to disk";
2530 BDB::db_env_txn_checkpoint $DB_ENV;
2531
2039 # if anything goes wrong in here, we should simply crash as we already saved 2532 # if anything goes wrong in here, we should simply crash as we already saved
2040 2533
2041 # cancel all watchers 2534 warn "cancelling all WF_AUTOCANCEL watchers";
2042 for (Event::all_watchers) { 2535 for (Event::all_watchers) {
2043 $_->cancel if $_->data & WF_AUTOCANCEL; 2536 $_->cancel if $_->data & WF_AUTOCANCEL;
2044 } 2537 }
2045 2538
2539 warn "flushing outstanding aio requests";
2540 for (;;) {
2541 BDB::flush;
2542 IO::AIO::flush;
2543 Coro::cede;
2544 last unless IO::AIO::nreqs || BDB::nreqs;
2545 warn "iterate...";
2546 }
2547
2548 ++$RELOAD;
2549
2046 # cancel all extension coros 2550 warn "cancelling all extension coros";
2047 $_->cancel for values %EXT_CORO; 2551 $_->cancel for values %EXT_CORO;
2048 %EXT_CORO = (); 2552 %EXT_CORO = ();
2049 2553
2050 # unload all extensions 2554 warn "removing commands";
2051 for (@exts) { 2555 %COMMAND = ();
2556
2557 warn "removing ext commands";
2558 %EXTCMD = ();
2559
2560 warn "unloading/nuking all extensions";
2561 for my $pkg (@EXTS) {
2052 warn "unloading <$_>"; 2562 warn "... unloading $pkg";
2053 unload_extension $_; 2563
2564 if (my $cb = $pkg->can ("unload")) {
2565 eval {
2566 $cb->($pkg);
2567 1
2568 } or warn "$pkg unloaded, but with errors: $@";
2054 } 2569 }
2055 2570
2571 warn "... nuking $pkg";
2572 Symbol::delete_package $pkg;
2573 }
2574
2056 # unload all modules loaded from $LIBDIR 2575 warn "unloading all perl modules loaded from $LIBDIR";
2057 while (my ($k, $v) = each %INC) { 2576 while (my ($k, $v) = each %INC) {
2058 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2577 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059 2578
2060 warn "removing <$k>"; 2579 warn "... unloading $k";
2061 delete $INC{$k}; 2580 delete $INC{$k};
2062 2581
2063 $k =~ s/\.pm$//; 2582 $k =~ s/\.pm$//;
2064 $k =~ s/\//::/g; 2583 $k =~ s/\//::/g;
2065 2584
2068 } 2587 }
2069 2588
2070 Symbol::delete_package $k; 2589 Symbol::delete_package $k;
2071 } 2590 }
2072 2591
2073 # sync database to disk
2074 cf::db_sync;
2075 IO::AIO::flush;
2076
2077 # get rid of safe::, as good as possible 2592 warn "getting rid of safe::, as good as possible";
2078 Symbol::delete_package "safe::$_" 2593 Symbol::delete_package "safe::$_"
2079 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2594 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080 2595
2081 # remove register_script_function callbacks
2082 # TODO
2083
2084 # unload cf.pm "a bit" 2596 warn "unloading cf.pm \"a bit\"";
2085 delete $INC{"cf.pm"}; 2597 delete $INC{"cf.pm"};
2086 2598
2087 # don't, removes xs symbols, too, 2599 # don't, removes xs symbols, too,
2088 # and global variables created in xs 2600 # and global variables created in xs
2089 #Symbol::delete_package __PACKAGE__; 2601 #Symbol::delete_package __PACKAGE__;
2090 2602
2091 # reload cf.pm 2603 warn "unload completed, starting to reload now";
2604
2092 warn "reloading cf.pm"; 2605 warn "reloading cf.pm";
2093 require cf; 2606 require cf;
2094 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2607 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095 2608
2096 # load config and database again 2609 warn "loading config and database again";
2097 cf::cfg_load; 2610 cf::cfg_load;
2098 cf::db_load;
2099 2611
2100 # load extensions
2101 warn "load extensions"; 2612 warn "loading extensions";
2102 cf::load_extensions; 2613 cf::load_extensions;
2103 2614
2104 # reattach attachments to objects 2615 warn "reattaching attachments to objects/players";
2105 warn "reattach"; 2616 _global_reattach; # objects, sockets
2106 _global_reattach; 2617 warn "reattaching attachments to maps";
2107 }; 2618 reattach $_ for values %MAP;
2619 warn "reattaching attachments to players";
2620 reattach $_ for values %PLAYER;
2108 2621
2109 if ($@) { 2622 warn "loading reloadable resources";
2623 reload_resources;
2624
2625 warn "leaving sync_job";
2626
2627 1
2628 } or do {
2110 warn $@; 2629 warn $@;
2111 warn "error while reloading, exiting."; 2630 warn "error while reloading, exiting.";
2112 exit 1; 2631 exit 1;
2113 } 2632 };
2114 2633
2115 warn "reloaded successfully"; 2634 warn "reloaded";
2116}; 2635};
2117 2636
2118############################################################################# 2637our $RELOAD_WATCHER; # used only during reload
2119
2120unless ($LINK_MAP) {
2121 $LINK_MAP = cf::map::new;
2122
2123 $LINK_MAP->width (41);
2124 $LINK_MAP->height (41);
2125 $LINK_MAP->alloc;
2126 $LINK_MAP->path ("{link}");
2127 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130 # dirty hack because... archetypes are not yet loaded
2131 Event->timer (
2132 after => 2,
2133 cb => sub {
2134 $_[0]->w->cancel;
2135
2136 # provide some exits "home"
2137 my $exit = cf::object::new "exit";
2138
2139 $exit->slaying ($EMERGENCY_POSITION->[0]);
2140 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143 $LINK_MAP->insert ($exit->clone, 19, 19);
2144 $LINK_MAP->insert ($exit->clone, 19, 20);
2145 $LINK_MAP->insert ($exit->clone, 19, 21);
2146 $LINK_MAP->insert ($exit->clone, 20, 19);
2147 $LINK_MAP->insert ($exit->clone, 20, 21);
2148 $LINK_MAP->insert ($exit->clone, 21, 19);
2149 $LINK_MAP->insert ($exit->clone, 21, 20);
2150 $LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152 $exit->destroy;
2153 });
2154
2155 $LINK_MAP->{deny_save} = 1;
2156 $LINK_MAP->{deny_reset} = 1;
2157
2158 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159}
2160
2161register "<global>", __PACKAGE__;
2162 2638
2163register_command "reload" => sub { 2639register_command "reload" => sub {
2164 my ($who, $arg) = @_; 2640 my ($who, $arg) = @_;
2165 2641
2166 if ($who->flag (FLAG_WIZ)) { 2642 if ($who->flag (FLAG_WIZ)) {
2167 $who->message ("start of reload."); 2643 $who->message ("reloading server.");
2644
2645 # doing reload synchronously and two reloads happen back-to-back,
2646 # coro crashes during coro_state_free->destroy here.
2647
2648 $RELOAD_WATCHER ||= Event->timer (
2649 reentrant => 0,
2650 after => 0,
2651 data => WF_AUTOCANCEL,
2652 cb => sub {
2168 reload; 2653 reload;
2169 $who->message ("end of reload."); 2654 undef $RELOAD_WATCHER;
2655 },
2656 );
2170 } 2657 }
2171}; 2658};
2172 2659
2173unshift @INC, $LIBDIR; 2660unshift @INC, $LIBDIR;
2661
2662my $bug_warning = 0;
2663
2664our @WAIT_FOR_TICK;
2665our @WAIT_FOR_TICK_BEGIN;
2666
2667sub wait_for_tick {
2668 return unless $TICK_WATCHER->is_active;
2669 return if $Coro::current == $Coro::main;
2670
2671 my $signal = new Coro::Signal;
2672 push @WAIT_FOR_TICK, $signal;
2673 $signal->wait;
2674}
2675
2676sub wait_for_tick_begin {
2677 return unless $TICK_WATCHER->is_active;
2678 return if $Coro::current == $Coro::main;
2679
2680 my $signal = new Coro::Signal;
2681 push @WAIT_FOR_TICK_BEGIN, $signal;
2682 $signal->wait;
2683}
2174 2684
2175$TICK_WATCHER = Event->timer ( 2685$TICK_WATCHER = Event->timer (
2176 reentrant => 0, 2686 reentrant => 0,
2687 parked => 1,
2177 prio => 0, 2688 prio => 0,
2178 at => $NEXT_TICK || $TICK, 2689 at => $NEXT_TICK || $TICK,
2179 data => WF_AUTOCANCEL, 2690 data => WF_AUTOCANCEL,
2180 cb => sub { 2691 cb => sub {
2181 unless ($FREEZE) { 2692 if ($Coro::current != $Coro::main) {
2693 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694 unless ++$bug_warning > 10;
2695 return;
2696 }
2697
2698 $NOW = Event::time;
2699
2182 cf::server_tick; # one server iteration 2700 cf::server_tick; # one server iteration
2701
2183 $RUNTIME += $TICK; 2702 $RUNTIME += $TICK;
2184 }
2185
2186 $NEXT_TICK += $TICK; 2703 $NEXT_TICK += $TICK;
2704
2705 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706 $NEXT_RUNTIME_WRITE = $NOW + 10;
2707 Coro::async_pool {
2708 write_runtime
2709 or warn "ERROR: unable to write runtime file: $!";
2710 };
2711 }
2712
2713# my $AFTER = Event::time;
2714# warn $AFTER - $NOW;#d#
2187 2715
2188 # if we are delayed by four ticks or more, skip them all 2716 # if we are delayed by four ticks or more, skip them all
2189 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2717 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190 2718
2191 $TICK_WATCHER->at ($NEXT_TICK); 2719 $TICK_WATCHER->at ($NEXT_TICK);
2192 $TICK_WATCHER->start; 2720 $TICK_WATCHER->start;
2721
2722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723 $sig->send;
2724 }
2725 while (my $sig = shift @WAIT_FOR_TICK) {
2726 $sig->send;
2727 }
2728
2729 _post_tick;
2193 }, 2730 },
2194); 2731);
2195 2732
2733{
2196IO::AIO::max_poll_time $TICK * 0.2; 2734 BDB::max_poll_time $TICK * 0.1;
2197 2735 $BDB_POLL_WATCHER = Event->io (
2198Event->io ( 2736 reentrant => 0,
2199 fd => IO::AIO::poll_fileno, 2737 fd => BDB::poll_fileno,
2200 poll => 'r', 2738 poll => 'r',
2201 prio => 5, 2739 prio => 0,
2202 data => WF_AUTOCANCEL,
2203 cb => \&IO::AIO::poll_cb,
2204);
2205
2206Event->timer (
2207 data => WF_AUTOCANCEL, 2740 data => WF_AUTOCANCEL,
2208 after => 0, 2741 cb => \&BDB::poll_cb,
2209 interval => 10, 2742 );
2210 cb => sub { 2743 BDB::min_parallel 8;
2211 (Coro::unblock_sub { 2744
2212 write_runtime 2745 BDB::set_sync_prepare {
2213 or warn "ERROR: unable to write runtime file: $!"; 2746 my $status;
2747 my $current = $Coro::current;
2748 (
2749 sub {
2750 $status = $!;
2751 $current->ready; undef $current;
2752 },
2753 sub {
2754 Coro::schedule while defined $current;
2755 $! = $status;
2756 },
2757 )
2758 };
2759
2760 unless ($DB_ENV) {
2761 $DB_ENV = BDB::db_env_create;
2762
2763 cf::sync_job {
2764 eval {
2765 BDB::db_env_open
2766 $DB_ENV,
2767 $BDB_ENV_DIR,
2768 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770 0666;
2771
2772 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2773
2774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775 $DB_ENV->set_lk_detect;
2776 };
2777
2778 cf::cleanup "db_env_open(db): $@" if $@;
2214 })->(); 2779 };
2215 }, 2780 }
2216); 2781}
2782
2783{
2784 IO::AIO::min_parallel 8;
2785
2786 undef $Coro::AIO::WATCHER;
2787 IO::AIO::max_poll_time $TICK * 0.1;
2788 $AIO_POLL_WATCHER = Event->io (
2789 reentrant => 0,
2790 data => WF_AUTOCANCEL,
2791 fd => IO::AIO::poll_fileno,
2792 poll => 'r',
2793 prio => 6,
2794 cb => \&IO::AIO::poll_cb,
2795 );
2796}
2217 2797
2218END { cf::emergency_save } 2798END { cf::emergency_save }
2219 2799
22201 28001
2221 2801

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