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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		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
162	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
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	223	=item cf::lock_wait $string
209		224
210	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
211		226
212	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
213		228
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
217	returned.	232	returned.
218		233
219	Lock names should begin with a unique identifier (for example, find_map	234	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
221		236
222	=cut	237	=cut
223		238
224	our %LOCK;	239	our %LOCK;
225		240
…		…
239	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
240	lock_wait $key;	255	lock_wait $key;
241		256
242	$LOCK{$key} = [];	257	$LOCK{$key} = [];
243		258
244	cf::guard {	259	Coro::guard {
245	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
247	}	262	}
248	}	263	}
249		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
349	and return;	373	and return;
350		374
351	1	375	1
352	}	376	}
353		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
354	=back	389	=back
355		390
356	=cut	391	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		392
478	#############################################################################	393	#############################################################################
479		394
480	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
481		396
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	523	our @CB_MAP = ();
609		524
610	my %attachment;	525	my %attachment;
611		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
612	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
614		535
615	use sort 'stable';	536	use sort 'stable';
616		537
…		…
787	# object support	708	# object support
788		709
789	sub reattach {	710	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		715
793	my $registry = $obj->registry;	716	my $registry = $obj->registry;
794		717
795	@$registry = ();	718	@$registry = ();
796		719
…		…
843	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
844		767
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	772	close $fh;
850		773
851	if (@$objs) {	774	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	780	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
859	}	782	}
860	} else {	783	} else {
861	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
928	=cut	851	=cut
929		852
930	sub register_extcmd {	853	sub register_extcmd {
931	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
932		855
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
937	}	857	}
938		858
939	cf::player->attach (	859	cf::player->attach (
940	on_command => sub {	860	on_command => sub {
941	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
954		874
955	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
956		876
957	if (ref $msg) {	877	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	881	}
962	}	882	}
963	} else {	883	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		886
967	cf::override;	887	cf::override;
968	},	888	},
969	);	889	);
970		890
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	891	sub load_extension {
978	my ($path) = @_;	892	my ($path) = @_;
979		893
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	895	my $base = $1;
982	my $pkg = $1;	896	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
985		899
986	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
987		901
988	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
989	or die "$path: $!";	903	or die "$path: $!";
990		904
991	my $source =	905	my $source =
992	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
995	. "\n};\n1";	909	. "\n};\n1";
996		910
997	eval $source	911	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	913	: "extension disabled.\n";
1000		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	915	warn $@;
1002	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1003		917	exit 1;
1004	# no strict 'refs';	918	}
1005	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	920	}
1020		921
1021	# remove commands	922	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	923	}
1046		924
1047	sub load_extensions {	925	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	927	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1054	}	932	}
1055	}	933	}
1056		934
1057	#############################################################################	935	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		936
1095	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1096		938
1097	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1098		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1099	=head3 cf::player	947	=head3 cf::player
1100		948
1101	=over 4	949	=over 4
1102		950
1103	=item cf::player::exists $login	951	=item cf::player::find $login
1104		952
1105	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1106		954
1107	=cut	955	=cut
1108		956
1109	sub cf::player::exists($) {	957	sub playerdir($) {
1110	cf::player::find $_[0]	958	cf::localdir
1111	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])
1112	}	963	}
1113		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
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1115		1130
1116	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1117		1132
1118	=cut	1133	=cut
1119		1134
1120	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1121	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1122		1137
1123	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1124		1139
1125	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1126	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		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;
1127		1160
1128	=back	1161	=back
1129		1162
1130		1163
1131	=head3 cf::map	1164	=head3 cf::map
…		…
1137	package cf::map;	1170	package cf::map;
1138		1171
1139	use Fcntl;	1172	use Fcntl;
1140	use Coro::AIO;	1173	use Coro::AIO;
1141		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1142	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1144		1181
1145	sub generate_random_map {	1182	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1185	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1327	}
1163		1328
1164	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1165	# all maps in C++...	1330	# all maps in C++...
1166	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1168		1333
1169	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1171	}	1336	}
1172		1337
		1338	sub unlink_save {
		1339	my ($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
1173	sub try_load_header($) {	1346	sub load_header_from($) {
1174	my ($path) = @_;	1347	my ($self, $path) = @_;
1175		1348
1176	utf8::encode $path;	1349	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1178	or return;	1354	or return;
1179		1355
1180	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
1181	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1182		1402
1183	$map->load_header ($path)	1403	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1404	}
1190		1405
1191	sub find_map;	1406	sub find;
1192	sub find_map {	1407	sub find {
1193	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1194		1409
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1411
1200	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1201		1413
1202	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1204		1416	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1417	or return;
1220		1418
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1420
1234	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;
1235	$map->reset;	1427	$map->reset;
1236	undef $guard;	1428	undef $guard;
1237	$map = find_map $path	1429	return find $path;
1238	or return;
1239	}	1430	}
1240		1431
1241	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1242	}	1433	}
1243	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1244		1438
1245	sub load {	1439	sub load {
1246	my ($self) = @_;	1440	my ($self) = @_;
1247		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1248	my $path = $self->{path};	1444	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1250		1446
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1448
1253	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1254		1450
1255	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1256	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1456	or return;
1258		1457
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1459	if delete $self->{load_original};
1261		1460
1262	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1462	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1464	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1267	}	1466	}
1268	}	1467	}
		1468
		1469	Coro::cede;
1269		1470
1270	# now do the right thing for maps	1471	# now do the right thing for maps
1271	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1272		1473
1273	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1475	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1280	$self->set_darkness_map;	1479	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1283	$self->activate;	1483	$self->activate;
1284	}	1484	}
1285		1485
		1486	$self->post_load;
		1487
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1489	}
1288		1490
1289	sub load_map_sync {	1491	sub customise_for {
		1492	my ($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	$neigh->load;
		1521	}
		1522	}
		1523
		1524	sub find_sync {
1290	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1291		1526
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1527	cf::sync_job { find $path, $origin }
		1528	}
1293		1529
1294	cf::sync_job {	1530	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1531	my ($map) = @_;
1296	or return;	1532
		1533	cf::sync_job { $map->load };
		1534	}
		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;
1297	$map->load;	1554	$map->load;
1298	$map	1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
1299	}	1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
1300	}	1564	}
1301		1565
1302	sub save {	1566	sub save {
1303	my ($self) = @_;	1567	my ($self) = @_;
1304		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1570
1305	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1306		1572
1307	return unless $self->dirty;	1573	return unless $self->dirty;
1308		1574
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1577
1312	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1313		1579
1314	return if $self->{deny_save};	1580	return if $self->{deny_save};
1315		1581
		1582	local $self->{last_access} = $self->last_access;#d#
		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1316	if ($uniq) {	1588	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1591	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1593	}
1322	}	1594	}
1323		1595
1324	sub swap_out {	1596	sub swap_out {
1325	my ($self) = @_;	1597	my ($self) = @_;
		1598
		1599	# save first because save cedes
		1600	$self->save;
		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1603
1327	return if $self->players;	1604	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1606	return if $self->{deny_save};
1330		1607
1331	$self->save;
1332	$self->clear;	1608	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1609	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1610	}
1335		1611
1336	sub reset_at {	1612	sub reset_at {
1337	my ($self) = @_;	1613	my ($self) = @_;
1338		1614
1339	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1342		1618
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1621
…		…
1350	my ($self) = @_;	1626	my ($self) = @_;
1351		1627
1352	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1353	}	1629	}
1354		1630
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1631	sub reset {
1377	my ($self) = @_;	1632	my ($self) = @_;
1378		1633
		1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1635
1379	return if $self->players;	1636	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1381		1638
1382	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1383		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
1384	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1385		1654
1386	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1387		1656
1388	$self->unlink_save;	1657	$self->unlink_save;
1389	$self->destroy;	1658	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1393		1662
1394	sub nuke {	1663	sub nuke {
1395	my ($self) = @_;	1664	my ($self) = @_;
1396		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1400	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1401	}	1679	}
1402		1680
1403	sub customise_for {	1681	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1682
1406	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1408	}
1409		1685
1410	$map	1686	=cut
1411	}
1412		1687
1413	sub emergency_save {	1688	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1415		1691
1416	warn "enter emergency map save\n";	1692	my @paths;
1417		1693
1418	cf::sync_job {	1694	for (@$files) {
1419	warn "begin emergency map save\n";	1695	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1421	};	1700	}
1422		1701
1423	warn "end emergency map save\n";	1702	\@paths
1424	}	1703	}
1425		1704
1426	package cf;	1705	package cf;
1427		1706
1428	=back	1707	=back
1429		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
1430		1735
1431	=head3 cf::object::player	1736	=head3 cf::object::player
1432		1737
1433	=over 4	1738	=over 4
1434		1739
…		…
1474		1779
1475	=item $player_object->enter_link	1780	=item $player_object->enter_link
1476		1781
1477	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}>).
1478		1783
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1481		1786
		1787	Will never block.
		1788
1482	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1483		1790
1484	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1794	fails, to the emergency map position.
1488		1795
1489	Might block.	1796	Might block.
1490		1797
1491	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($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	$LINK_MAP
		1808	}
1492		1809
1493	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1811	my ($self) = @_;
1495		1812
1496	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1497		1814
1498	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1816
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1818	if $self->map;
1502		1819
1503	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1821	}
1505		1822
1506	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1508		1825
1509	my $link_pos = delete $self->{_link_pos};	1826	my $link_pos = delete $self->{_link_pos};
1510		1827
1511	unless ($map) {	1828	unless ($map) {
1512	# restore original map position	1829	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1830	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1831	$map = cf::map::find $map;
1515		1832
1516	unless ($map) {	1833	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1834	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1835	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1836	or die "FATAL: cannot load emergency map\n";
1520	}	1837	}
1521	}	1838	}
1522		1839
1523	($x, $y) = (-1, -1)	1840	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1529		1846
1530	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1531		1849
		1850	return unless $self->contr->active;
1532	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1534	}	1855	}
1535		1856
1536	cf::player->attach (	1857	cf::player->attach (
1537	on_logout => sub {	1858	on_logout => sub {
…		…
1549		1870
1550	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1872	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1554	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);
1555	# 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
1556	# 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
1557	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1559	};	1884	})->prio (2);
1560	}	1885	}
1561	},	1886	},
1562	);	1887	);
1563		1888
1564	=item $player_object->goto_map ($path, $x, $y)	1889	=item $player_object->goto ($path, $x, $y)
1565		1890
1566	=cut	1891	=cut
1567		1892
1568	sub cf::object::player::goto_map {	1893	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1570		1895
1571	$self->enter_link;	1896	$self->enter_link;
1572		1897
1573	(cf::async {	1898	(async {
1574	$path = new cf::path $path;	1899	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1900	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1578		1902	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1580	# if $map;
1581
1582	$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);
1583		1905
1584	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1907	})->prio (1);
1586	}	1908	}
1587		1909
…		…
1591		1913
1592	sub parse_random_map_params {	1914	sub parse_random_map_params {
1593	my ($spec) = @_;	1915	my ($spec) = @_;
1594		1916
1595	my $rmp = { # defaults	1917	my $rmp = { # defaults
1596	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1598	};	1922	};
1599		1923
1600	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1602		1926
…		…
1606	$rmp	1930	$rmp
1607	}	1931	}
1608		1932
1609	sub prepare_random_map {	1933	sub prepare_random_map {
1610	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1937
1612	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1940	# that depends on the exit object
1615		1941
1616	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1617		1943
1618	if ($exit->map) {	1944	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1623	}	1949	}
1624		1950
1625	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1626		1952
1627	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1956
1630	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) {
1631	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;
1632		1961
1633	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1963	$exit->msg (undef);
1635	}	1964	}
1636	}	1965	}
…		…
1638	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1640		1969
1641	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1642		1971
		1972	if ($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
1643	$self->enter_link;	1981	$self->enter_link;
1644		1982
1645	(cf::async {	1983	(async {
		1984	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1985	unless (eval {
1647	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1987
1653	1;	1988	1;
1654	}) {	1989	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1994
1660	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1996	$self->leave_link;
1662	}	1997	}
…		…
1676		2011
1677	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1679		2014
1680	utf8::encode $text;	2015	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2017	}
1683		2018
1684		2019
1685	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1686		2021
…		…
1717	# get handled first	2052	# get handled first
1718	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2055
1721	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2058
1723	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1724		2060
1725	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2062	if (@$queue) {
…		…
1730	}	2066	}
1731	}	2067	}
1732	},	2068	},
1733	);	2069	);
1734		2070
1735	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1736		2072
1737	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2075	or loss of connection).
1740		2076
1741	=cut	2077	=cut
1742		2078
1743	sub cf::client::coro {	2079	sub cf::client::async {
1744	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1745		2081
1746	my $coro = &cf::async ($cb);	2082	my $coro = &Coro::async ($cb);
1747		2083
1748	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1750	});	2086	});
1751		2087
…		…
1784		2120
1785	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1786		2122
1787	=pod	2123	=pod
1788		2124
1789	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1790		2126
1791	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1792	cf::object::player player	2128	cf::object::player player
1793	cf::player peaceful	2129	cf::player peaceful
1794	cf::map trigger	2130	cf::map trigger
…		…
1887	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
1888	using it, it should be unique.	2224	using it, it should be unique.
1889		2225
1890	=over 4	2226	=over 4
1891		2227
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
1899		2229
1900	Returns a single value from the database	2230	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2231
1907	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1908		2233
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2235
1920	=cut	2236	=cut
1921		2237
1922	our $DB;	2238	our $DB;
1923		2239
1924	{	2240	sub db_init {
		2241	unless ($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
1925	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;
1926		2259
1927	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2264
1931	my $pid;	2265	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2266	};
1941	}	2267	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2268	}
		2269	}
1953		2270
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {	2271	sub db_get($$) {
1960	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1965	sub db_put($$;$) {	2282	sub db_put($$$) {
1966	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1967	$DB->{$_[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;
1968	} else {	2321	} else {
1969	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2323	}
1979	);	2324	Coro::cede;
1980	}	2325	}
1981		2326
1982	#############################################################################	2327	1
1983	# 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	}
1984		2340
1985	sub cfg_load {	2341	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2343	or return;
1988		2344
1989	local $/;	2345	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2346	*CFG = YAML::Syck::Load <$fh>;
		2347
		2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2353	if (exists $CFG{mlockall}) {
		2354	eval {
		2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2356	and die "WARNING: m(un)lockall failed: $!\n";
		2357	};
		2358	warn $@ if $@;
		2359	}
1991	}	2360	}
1992		2361
1993	sub main {	2362	sub main {
1994	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2366	(async {
1998	Event::one_event;	2367	Event::one_event;
1999	})->();	2368	})->prio (Coro::PRIO_MAX);
2000	};	2369	};
2001		2370
2002	cfg_load;	2371	cfg_load;
2003	db_load;	2372	db_init;
2004	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2005	Event::loop;	2376	Event::loop;
2006	}	2377	}
2007		2378
2008	#############################################################################	2379	#############################################################################
2009	# 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 $make_core;
		2435	}
2010		2436
2011	sub reload() {	2437	sub reload() {
2012	# can/must only be called in main	2438	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2015	return;	2441	return;
2016	}	2442	}
2017		2443
2018	warn "reloading...";	2444	warn "reloading...";
2019		2445
2020	local $FREEZE = 1;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2022		2452
2023	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2024	# 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
2025		2457
2026	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2461	}
2030		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2031	# cancel all extension coros	2474	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2476	%EXT_CORO = ();
2034		2477
2035	# unload all extensions	2478	warn "removing commands";
2036	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2038	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: $@";
2039	}	2493	}
2040		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2041	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2502
2045	warn "removing <$k>";	2503	warn "... unloading $k";
2046	delete $INC{$k};	2504	delete $INC{$k};
2047		2505
2048	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2050		2508
…		…
2053	}	2511	}
2054		2512
2055	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2056	}	2514	}
2057		2515
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2064	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);
2065		2519
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2071		2522
2072	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2524	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2075		2526
2076	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2077	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2078	require cf;	2530	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2532
2081	# load config and database again	2533	warn "loading config and database again";
2082	cf::cfg_load;	2534	cf::cfg_load;
2083	cf::db_load;
2084		2535
2085	# load extensions
2086	warn "load extensions";	2536	warn "loading extensions";
2087	cf::load_extensions;	2537	cf::load_extensions;
2088		2538
2089	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2090	warn "reattach";	2540	_global_reattach; # objects, sockets
2091	_global_reattach;	2541	warn "reattaching attachments to maps";
2092	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2093		2545
2094	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2095	warn $@;	2553	warn $@;
2096	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2097	exit 1;	2555	exit 1;
2098	}	2556	};
2099		2557
2100	warn "reloaded successfully";	2558	warn "reloaded";
2101	};	2559	};
2102		2560
2103	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2562
2148	register_command "reload" => sub {	2563	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2150		2565
2151	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2577	reload;
2154	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2155	}	2581	}
2156	};	2582	};
2157		2583
2158	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2159		2587
2160	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2162	prio => 0,	2591	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2165	cb => sub {	2594	cb => sub {
2166	unless ($FREEZE) {	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
2167	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2620
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2623
2176	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2178	},	2626	},
2179	);	2627	);
2180		2628
		2629	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2182		2631	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	2632	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2185	poll => 'r',	2634	poll => 'r',
2186	prio => 5,	2635	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2193	after => 0,	2637	cb => \&BDB::poll_cb,
2194	interval => 10,	2638	);
2195	cb => sub {	2639	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	2640
2197	write_runtime	2641	BDB::set_sync_prepare {
2198	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 $@;
2199	})->();	2675	};
2200	},	2676	}
2201	);	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	}
2202		2693
2203	END { cf::emergency_save }	2694	END { cf::emergency_save }
2204		2695
2205	1	2696	1
2206		2697

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