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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use 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
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $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 ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub 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
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window 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
150	my %ext_pkg;
151	my @exts;
152	my @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
		194	sub 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
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use 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 $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
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 $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176		222
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	223	=item cf::lock_wait $string
207		224
208	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
209		226
210	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
211		228
212	Wait until the given lock is available and then acquires it and returns	229	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
215	returned.	232	returned.
216		233
217	Lock names should begin with a unique identifier (for example, cf::map::find	234	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	235	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
238	lock_wait $key;	255	lock_wait $key;
239		256
240	$LOCK{$key} = [];	257	$LOCK{$key} = [];
241		258
242	cf::guard {	259	Coro::guard {
243	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
245	}	262	}
246	}	263	}
247		264
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	265	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
266		267
267	my $guard = guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
334		346
335	$coro	347	$coro
336	}	348	}
337		349
338	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
339	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
340		354
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	356	or return;
343		357
		358	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	363	and return;
347		364
		365	# always fsync - this file is important
348	aio_fsync $fh	366	aio_fsync $fh
349	and return;	367	and return;
350		368
351	close $fh	369	close $fh
352	or return;	370	or return;
…		…
355	and return;	373	and return;
356		374
357	1	375	1
358	}	376	}
359		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
360	=back	389	=back
361		390
362	=cut	391	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		392
484	#############################################################################	393	#############################################################################
485		394
486	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
487		396
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	523	our @CB_MAP = ();
615		524
616	my %attachment;	525	my %attachment;
617		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
618	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
620		535
621	use sort 'stable';	536	use sort 'stable';
622		537
…		…
793	# object support	708	# object support
794		709
795	sub reattach {	710	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		715
799	my $registry = $obj->registry;	716	my $registry = $obj->registry;
800		717
801	@$registry = ();	718	@$registry = ();
802		719
…		…
849	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
850		767
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	772	close $fh;
856		773
857	if (@$objs) {	774	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	780	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
865	}	782	}
866	} else {	783	} else {
867	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
934	=cut	851	=cut
935		852
936	sub register_extcmd {	853	sub register_extcmd {
937	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
938		855
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
943	}	857	}
944		858
945	cf::player->attach (	859	cf::player->attach (
946	on_command => sub {	860	on_command => sub {
947	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
960		874
961	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
962		876
963	if (ref $msg) {	877	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	881	}
968	}	882	}
969	} else {	883	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		886
973	cf::override;	887	cf::override;
974	},	888	},
975	);	889	);
976		890
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	891	sub load_extension {
984	my ($path) = @_;	892	my ($path) = @_;
985		893
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
1006		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	915	warn $@;
1008	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1009		917	exit 1;
1010	# no strict 'refs';	918	}
1011	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	920	}
1026		921
1027	# remove commands	922	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	923	}
1052		924
1053	sub load_extensions {	925	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	927	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1060	}	932	}
1061	}	933	}
1062		934
1063	#############################################################################	935	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		936
1101	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1102		938
1103	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1104		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1105	=head3 cf::player	947	=head3 cf::player
1106		948
1107	=over 4	949	=over 4
1108		950
1109	=item cf::player::exists $login	951	=item cf::player::find $login
1110		952
1111	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1112		954
1113	=cut	955	=cut
1114		956
1115	sub cf::player::exists($) {	957	sub playerdir($) {
1116	cf::player::find $_[0]	958	cf::localdir
1117	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])
1118	}	963	}
1119		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub 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
		998	sub 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
		1015	sub 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
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub 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
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub 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
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub 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
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub 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
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1121		1130
1122	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1123		1132
1124	=cut	1133	=cut
1125		1134
1126	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1128		1137
1129	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1130		1139
1131	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1132	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1133		1160
1134	=back	1161	=back
1135		1162
1136		1163
1137	=head3 cf::map	1164	=head3 cf::map
…		…
1143	package cf::map;	1170	package cf::map;
1144		1171
1145	use Fcntl;	1172	use Fcntl;
1146	use Coro::AIO;	1173	use Coro::AIO;
1147		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1148	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1150		1181
1151	sub generate_random_map {	1182	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1185	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1327	}
1169		1328
1170	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1171	# all maps in C++...	1330	# all maps in C++...
1172	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1174		1333
1175	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1177	}	1336	}
1178		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1179	sub try_load_header($) {	1346	sub load_header_from($) {
1180	my ($path) = @_;	1347	my ($self, $path) = @_;
1181		1348
1182	utf8::encode $path;	1349	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1184	or return;	1354	or return;
1185		1355
1186	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1187	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1188		1402
1189	$map->load_header ($path)	1403	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1404	}
1196		1405
1197	sub find;	1406	sub find;
1198	sub find {	1407	sub find {
1199	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1200		1409
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1411
1206	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1207		1413
1208	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1210		1416	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1417	or return;
1228		1418
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1241		1420
1242	if ($map->should_reset) {	1421	$map->load_header
		1422	or return;
		1423
		1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1427	$map->reset;
1244	undef $guard;	1428	undef $guard;
1245	$map = find $path	1429	return find $path;
1246	or return;
1247	}	1430	}
1248		1431
1249	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1250	}	1433	}
1251	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1252		1438
1253	sub load {	1439	sub load {
1254	my ($self) = @_;	1440	my ($self) = @_;
1255		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1256	my $path = $self->{path};	1444	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1258		1446
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1448
1261	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1262		1450
1263	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1264	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1456	or return;
1266		1457
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1459	if delete $self->{load_original};
1269		1460
1270	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1462	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1464	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1275	}	1466	}
1276	}	1467	}
		1468
		1469	Coro::cede;
1277		1470
1278	# now do the right thing for maps	1471	# now do the right thing for maps
1279	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1280		1473
1281	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1475	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1288	$self->set_darkness_map;	1479	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1291	$self->activate;	1483	$self->activate;
1292	}	1484	}
1293		1485
		1486	$self->post_load;
		1487
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1295	}	1522	}
1296		1523
1297	sub find_sync {	1524	sub find_sync {
1298	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1299		1526
1300	cf::sync_job { cf::map::find $path, $origin }	1527	cf::sync_job { find $path, $origin }
1301	}	1528	}
1302		1529
1303	sub do_load_sync {	1530	sub do_load_sync {
1304	my ($map) = @_;	1531	my ($map) = @_;
1305		1532
1306	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1307	}	1534	}
1308		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1309	sub save {	1566	sub save {
1310	my ($self) = @_;	1567	my ($self) = @_;
1311		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1570
1312	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1313		1572
1314	return unless $self->dirty;	1573	return unless $self->dirty;
1315		1574
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1577
1319	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1320		1579
1321	return if $self->{deny_save};	1580	return if $self->{deny_save};
1322		1581
1323	local $self->{last_access} = $self->last_access;#d#	1582	local $self->{last_access} = $self->last_access;#d#
1324		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1325	if ($uniq) {	1588	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1591	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1593	}
1331	}	1594	}
1332		1595
1333	sub swap_out {	1596	sub swap_out {
1334	my ($self) = @_;	1597	my ($self) = @_;
1335		1598
1336	# save first because save cedes	1599	# save first because save cedes
1337	$self->save;	1600	$self->save;
		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1603
1339	return if $self->players;	1604	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1606	return if $self->{deny_save};
1342		1607
…		…
1346		1611
1347	sub reset_at {	1612	sub reset_at {
1348	my ($self) = @_;	1613	my ($self) = @_;
1349		1614
1350	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1353		1618
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1621
…		…
1361	my ($self) = @_;	1626	my ($self) = @_;
1362		1627
1363	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1364	}	1629	}
1365		1630
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1631	sub reset {
1388	my ($self) = @_;	1632	my ($self) = @_;
1389		1633
		1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1635
1390	return if $self->players;	1636	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1392		1638
1393	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1394		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1395	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1396		1654
1397	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1398		1656
1399	$self->unlink_save;	1657	$self->unlink_save;
1400	$self->destroy;	1658	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1404		1662
1405	sub nuke {	1663	sub nuke {
1406	my ($self) = @_;	1664	my ($self) = @_;
1407		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1411	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1412	}	1679	}
1413		1680
1414	sub customise_for {	1681	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1682
1417	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1419	}
1420		1685
1421	$map	1686	=cut
1422	}
1423		1687
1424	sub emergency_save {	1688	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1426		1691
1427	warn "enter emergency map save\n";	1692	my @paths;
1428		1693
1429	cf::sync_job {	1694	for (@$files) {
1430	warn "begin emergency map save\n";	1695	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1432	};	1700	}
1433		1701
1434	warn "end emergency map save\n";	1702	\@paths
1435	}	1703	}
1436		1704
1437	package cf;	1705	package cf;
1438		1706
1439	=back	1707	=back
1440		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1441		1735
1442	=head3 cf::object::player	1736	=head3 cf::object::player
1443		1737
1444	=over 4	1738	=over 4
1445		1739
…		…
1485		1779
1486	=item $player_object->enter_link	1780	=item $player_object->enter_link
1487		1781
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1783
1490	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1492		1786
		1787	Will never block.
		1788
1493	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1494		1790
1495	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1794	fails, to the emergency map position.
1499		1795
1500	Might block.	1796	Might block.
1501		1797
1502	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1503		1809
1504	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1811	my ($self) = @_;
1506		1812
1507	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1508		1814
1509	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1816
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1818	if $self->map;
1513		1819
1514	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1821	}
1516		1822
1517	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1519		1825
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1540		1846
1541	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1542		1849
		1850	return unless $self->contr->active;
1543	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1545	}	1855	}
1546		1856
1547	cf::player->attach (	1857	cf::player->attach (
1548	on_logout => sub {	1858	on_logout => sub {
…		…
1560		1870
1561	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1872	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1565	cf::async {	1875	(async {
		1876	$pl->ob->reply (undef,
		1877	"There was an internal problem at your last logout, "
		1878	. "the server will try to bring you to your intended destination in a second.",
		1879	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1880	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1881	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1570	};	1884	})->prio (2);
1571	}	1885	}
1572	},	1886	},
1573	);	1887	);
1574		1888
1575	=item $player_object->goto_map ($path, $x, $y)	1889	=item $player_object->goto ($path, $x, $y)
1576		1890
1577	=cut	1891	=cut
1578		1892
1579	sub cf::object::player::goto_map {	1893	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1581		1895
1582	$self->enter_link;	1896	$self->enter_link;
1583		1897
1584	(cf::async {	1898	(async {
1585	$path = new cf::path $path;	1899	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1589		1902	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1905
1595	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1907	})->prio (1);
1597	}	1908	}
1598		1909
…		…
1602		1913
1603	sub parse_random_map_params {	1914	sub parse_random_map_params {
1604	my ($spec) = @_;	1915	my ($spec) = @_;
1605		1916
1606	my $rmp = { # defaults	1917	my $rmp = { # defaults
1607	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1609	};	1922	};
1610		1923
1611	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1613		1926
…		…
1617	$rmp	1930	$rmp
1618	}	1931	}
1619		1932
1620	sub prepare_random_map {	1933	sub prepare_random_map {
1621	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1937
1623	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1940	# that depends on the exit object
1626		1941
1627	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1628		1943
1629	if ($exit->map) {	1944	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1634	}	1949	}
1635		1950
1636	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1637		1952
1638	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1956
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1643		1961
1644	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1963	$exit->msg (undef);
1646	}	1964	}
1647	}	1965	}
…		…
1649	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1651		1969
1652	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1653		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
		1980
1654	$self->enter_link;	1981	$self->enter_link;
1655		1982
1656	(cf::async {	1983	(async {
1657	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1985	unless (eval {
1659	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1987
1665	1;	1988	1;
1666	}) {	1989	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1994
1672	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1996	$self->leave_link;
1674	}	1997	}
…		…
1688		2011
1689	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1691		2014
1692	utf8::encode $text;	2015	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2017	}
1695		2018
1696		2019
1697	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1698		2021
…		…
1729	# get handled first	2052	# get handled first
1730	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2055
1733	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2058
1735	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1736		2060
1737	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2062	if (@$queue) {
…		…
1742	}	2066	}
1743	}	2067	}
1744	},	2068	},
1745	);	2069	);
1746		2070
1747	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1748		2072
1749	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2075	or loss of connection).
1752		2076
1753	=cut	2077	=cut
1754		2078
1755	sub cf::client::coro {	2079	sub cf::client::async {
1756	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1757		2081
1758	my $coro = &cf::async ($cb);	2082	my $coro = &Coro::async ($cb);
1759		2083
1760	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1762	});	2086	});
1763		2087
…		…
1796		2120
1797	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1798		2122
1799	=pod	2123	=pod
1800		2124
1801	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1802		2126
1803	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1804	cf::object::player player	2128	cf::object::player player
1805	cf::player peaceful	2129	cf::player peaceful
1806	cf::map trigger	2130	cf::map trigger
…		…
1899	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2224	using it, it should be unique.
1901		2225
1902	=over 4	2226	=over 4
1903		2227
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
1911		2229
1912	Returns a single value from the database	2230	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2231
1919	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1920		2233
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2235
1932	=cut	2236	=cut
1933		2237
1934	our $DB;	2238	our $DB;
1935		2239
1936	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1937	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1938		2259
1939	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2264
1943	my $pid;	2265	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2266	};
1953	}	2267	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	2268	}
		2269	}
1965		2270
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {	2271	sub db_get($$) {
1972	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1977	sub db_put($$;$) {	2282	sub db_put($$$) {
1978	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1979	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1980	} else {	2321	} else {
1981	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2323	}
1991	);	2324	Coro::cede;
1992	}	2325	}
1993		2326
1994	#############################################################################	2327	1
1995	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1996		2340
1997	sub cfg_load {	2341	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2343	or return;
2000		2344
2001	local $/;	2345	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2346	*CFG = YAML::Syck::Load <$fh>;
2003		2347
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2349
		2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2352
2006	if (exists $CFG{mlockall}) {	2353	if (exists $CFG{mlockall}) {
2007	eval {	2354	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2356	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2357	};
2011	warn $@ if $@;	2358	warn $@ if $@;
2012	}	2359	}
2013	}	2360	}
2014		2361
2015	sub main {	2362	sub main {
2016	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2366	(async {
2020	Event::one_event;	2367	Event::one_event;
2021	})->();	2368	})->prio (Coro::PRIO_MAX);
2022	};	2369	};
2023		2370
2024	cfg_load;	2371	cfg_load;
2025	db_load;	2372	db_init;
2026	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2027	Event::loop;	2376	Event::loop;
2028	}	2377	}
2029		2378
2030	#############################################################################	2379	#############################################################################
2031	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
2032		2436
2033	sub reload() {	2437	sub reload() {
2034	# can/must only be called in main	2438	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2037	return;	2441	return;
2038	}	2442	}
2039		2443
2040	warn "reloading...";	2444	warn "reloading...";
2041		2445
2042	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2044		2452
2045	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2046	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2047		2457
2048	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2461	}
2052		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2053	# cancel all extension coros	2474	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2476	%EXT_CORO = ();
2056		2477
2057	# unload all extensions	2478	warn "removing commands";
2058	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2060	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2493	}
2062		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2063	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2502
2067	warn "removing <$k>";	2503	warn "... unloading $k";
2068	delete $INC{$k};	2504	delete $INC{$k};
2069		2505
2070	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2072		2508
…		…
2075	}	2511	}
2076		2512
2077	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2078	}	2514	}
2079		2515
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2519
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2093		2522
2094	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2524	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2097		2526
2098	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2099	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2100	require cf;	2530	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2532
2103	# load config and database again	2533	warn "loading config and database again";
2104	cf::cfg_load;	2534	cf::cfg_load;
2105	cf::db_load;
2106		2535
2107	# load extensions
2108	warn "load extensions";	2536	warn "loading extensions";
2109	cf::load_extensions;	2537	cf::load_extensions;
2110		2538
2111	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2112	warn "reattach";	2540	_global_reattach; # objects, sockets
2113	_global_reattach;	2541	warn "reattaching attachments to maps";
2114	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2115		2545
2116	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2117	warn $@;	2553	warn $@;
2118	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2119	exit 1;	2555	exit 1;
2120	}	2556	};
2121		2557
2122	warn "reloaded successfully";	2558	warn "reloaded";
2123	};	2559	};
2124		2560
2125	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2562
2170	register_command "reload" => sub {	2563	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2172		2565
2173	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2175	reload;	2577	reload;
2176	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2177	}	2581	}
2178	};	2582	};
2179		2583
2180	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2181		2587
2182	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2184	prio => 0,	2591	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2187	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2188	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2191		2620
2192	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2623
2195	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2197	},	2626	},
2198	);	2627	);
2199		2628
		2629	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2201		2631	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2632	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2204	poll => 'r',	2634	poll => 'r',
2205	prio => 5,	2635	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2212	after => 0,	2637	cb => \&BDB::poll_cb,
2213	interval => 10,	2638	);
2214	cb => sub {	2639	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2640
2216	write_runtime	2641	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2675	};
2219	},	2676	}
2220	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2221		2693
2222	END { cf::emergency_save }	2694	END { cf::emergency_save }
2223		2695
2224	1	2696	1
2225		2697

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