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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.236 by root, Thu Apr 12 14:18:05 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	223	=item cf::lock_wait $string
180		224
181	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
183	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
184	}	249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		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	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	296	=cut
198		297
199	sub sync_job(&) {	298	sub sync_job(&) {
200	my ($job) = @_;	299	my ($job) = @_;
201		300
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
212	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
215	while ($busy) {	318	while ($busy) {
216	Coro::cede_notself;	319	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	320	}
		321
		322	wantarray ? @res : $res[0]
219	} else {	323	} else {
220	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
221	}	327	}
222
223	wantarray ? @res : $res[0]
224	}	328	}
225		329
226	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
227		331
228	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
230		334
231	=cut	335	=cut
232		336
233	sub coro(&) {	337	sub async_ext(&) {
234	my $cb = shift;	338	my $cb = shift;
235		339
236	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		341
243	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
245	});	344	});
246	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
247		346
248	$coro	347	$coro
249	}	348	}
250		349
251	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
252	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
253		354
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	356	or return;
256		357
257	my $value = $cf::RUNTIME;	358	my $value = $cf::RUNTIME + 90 + 10;
		359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	363	and return;
260		364
		365	# always fsync - this file is important
261	aio_fsync $fh	366	aio_fsync $fh
262	and return;	367	and return;
263		368
264	close $fh	369	close $fh
265	or return;	370	or return;
…		…
268	and return;	373	and return;
269		374
270	1	375	1
271	}	376	}
272		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
273	=back	389	=back
274		390
275	=cut	391	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		392
387	#############################################################################	393	#############################################################################
388		394
389	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
390		396
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	523	our @CB_MAP = ();
518		524
519	my %attachment;	525	my %attachment;
520		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
521	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
523		535
524	use sort 'stable';	536	use sort 'stable';
525		537
…		…
696	# object support	708	# object support
697		709
698	sub reattach {	710	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		715
702	my $registry = $obj->registry;	716	my $registry = $obj->registry;
703		717
704	@$registry = ();	718	@$registry = ();
705		719
…		…
752	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
753		767
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	772	close $fh;
759		773
760	if (@$objs) {	774	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	780	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
768	}	782	}
769	} else {	783	} else {
770	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
798	or return;	812	or return;
799		813
800	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
802	or return;	816	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
804	}	818	}
805		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	822	return ($data, $av);
807	}	823	}
808		824
809	#############################################################################	825	#############################################################################
810	# command handling &c	826	# command handling &c
…		…
835	=cut	851	=cut
836		852
837	sub register_extcmd {	853	sub register_extcmd {
838	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
839		855
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
844	}	857	}
845		858
846	cf::player->attach (	859	cf::player->attach (
847	on_command => sub {	860	on_command => sub {
848	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
861		874
862	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
863		876
864	if (ref $msg) {	877	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	881	}
869	}	882	}
870	} else {	883	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		886
874	cf::override;	887	cf::override;
875	},	888	},
876	);	889	);
877		890
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	891	sub load_extension {
885	my ($path) = @_;	892	my ($path) = @_;
886		893
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	895	my $base = $1;
889	my $pkg = $1;	896	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
892		899
893	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
894		901
895	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
896	or die "$path: $!";	903	or die "$path: $!";
897		904
898	my $source =	905	my $source =
899	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
902	. "\n};\n1";	909	. "\n};\n1";
903		910
904	eval $source	911	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	913	: "extension disabled.\n";
907		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	915	warn $@;
909	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
910		917	exit 1;
911	# no strict 'refs';	918	}
912	# @{"$pkg\::ISA"} = ext::;	919	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	920	}
927		921
928	# remove commands	922	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	923	}
953		924
954	sub load_extensions {	925	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	927	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
961	}	932	}
962	}	933	}
963		934
964	#############################################################################	935	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		936
1002	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1003		938
1004	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1005		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1006	=head3 cf::player	947	=head3 cf::player
1007		948
1008	=over 4	949	=over 4
1009		950
1010	=item cf::player::exists $login	951	=item cf::player::find $login
1011		952
1012	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1013		954
1014	=cut	955	=cut
1015		956
1016	sub cf::player::exists($) {	957	sub playerdir($) {
1017	cf::player::find $_[0]	958	cf::localdir
1018	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])
1019	}	963	}
1020		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/playerdata"
		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	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1022		1137
1023	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1024		1139
1025	=cut	1140	=cut
1026		1141
1027	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1029		1144
1030	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1031		1146
1032	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1033	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1034		1163
1035	=back	1164	=back
1036		1165
1037		1166
1038	=head3 cf::map	1167	=head3 cf::map
…		…
1044	package cf::map;	1173	package cf::map;
1045		1174
1046	use Fcntl;	1175	use Fcntl;
1047	use Coro::AIO;	1176	use Coro::AIO;
1048		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1049	our $MAX_RESET = 7200;	1182	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1183	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1184
1054	sub generate_random_map {	1185	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1188	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1330	}
1072		1331
1073	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1074	# all maps in C++...	1333	# all maps in C++...
1075	sub change_all_map_light {	1334	sub change_all_map_light {
1076	my ($change) = @_;	1335	my ($change) = @_;
1077		1336
1078	$_->change_map_light ($change) for values %cf::MAP;	1337	$_->change_map_light ($change)
		1338	for grep $_->outdoor, values %cf::MAP;
1079	}	1339	}
1080		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1081	sub try_load_header($) {	1349	sub load_header_from($) {
1082	my ($path) = @_;	1350	my ($self, $path) = @_;
1083		1351
1084	utf8::encode $path;	1352	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1086	or return;	1357	or return;
1087		1358
1088	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1089	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1090		1405
1091	$map->load_header ($path)	1406	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1407	}
1099		1408
		1409	sub find;
1100	sub find_map {	1410	sub find {
1101	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1102		1412
1103	#warn "find_map<$path,$origin>\n";#d#	1413	$path = normalise $path, $origin && $origin->path;
1104		1414
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1415	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1416
1108	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1109	# do it the slow way	1418	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1419	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1420	or return;
1124		1421
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1422	$map->{last_save} = $cf::RUNTIME;
1136		1423
1137	$map->reset if $map->should_reset;	1424	$map->load_header
		1425	or return;
1138		1426
		1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
		1430	$map->reset;
		1431	undef $guard;
		1432	return find $path;
		1433	}
		1434
1139	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1140	}	1436	}
1141	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1142		1441
1143	sub load {	1442	sub load {
1144	my ($self) = @_;	1443	my ($self) = @_;
1145		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
		1447	my $path = $self->{path};
		1448	my $guard = cf::lock_acquire "map_load:$path";
		1449
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1451
1148	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1149		1453
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1153	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1459	or return;
1155		1460
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1462	if delete $self->{load_original};
1157		1463
1158	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1465	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1467	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1163	}	1469	}
1164	}	1470	}
		1471
		1472	Coro::cede;
1165		1473
1166	# now do the right thing for maps	1474	# now do the right thing for maps
1167	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1168		1476
1169	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1478	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1176	$self->set_darkness_map;	1482	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1179	$self->activate;	1486	$self->activate;
1180	}	1487	}
1181		1488
		1489	$self->post_load;
		1490
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1492	}
1184		1493
1185	sub load_map_sync {	1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
		1525	}
		1526
		1527	sub find_sync {
1186	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1187		1529
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1530	cf::sync_job { find $path, $origin }
		1531	}
1189		1532
1190	cf::sync_job {	1533	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1534	my ($map) = @_;
1192	or return;	1535
		1536	cf::sync_job { $map->load };
		1537	}
		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
1193	$map->load;	1557	$map->load;
1194	$map	1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
1195	}	1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
1196	}	1567	}
1197		1568
1198	sub save {	1569	sub save {
1199	my ($self) = @_;	1570	my ($self) = @_;
1200		1571
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1573
1204	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1205		1575
1206	return unless $self->dirty;	1576	return unless $self->dirty;
1207		1577
		1578	my $save = $self->save_path; utf8::encode $save;
		1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1580
1208	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1209		1582
1210	return if $self->{deny_save};	1583	return if $self->{deny_save};
1211		1584
1212	warn "saving map ", $self->path;	1585	local $self->{last_access} = $self->last_access;#d#
		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
1213		1590
1214	if ($uniq) {	1591	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1594	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1596	}
1220	}	1597	}
1221		1598
1222	sub swap_out {	1599	sub swap_out {
1223	my ($self) = @_;	1600	my ($self) = @_;
		1601
		1602	# save first because save cedes
		1603	$self->save;
		1604
		1605	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1606
1225	return if $self->players;	1607	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1609	return if $self->{deny_save};
1228		1610
1229	$self->save;
1230	$self->clear;	1611	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1612	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1613	}
1233		1614
		1615	sub reset_at {
		1616	my ($self) = @_;
		1617
		1618	# TODO: safety, remove and allow resettable per-player maps
		1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1620	return 1e99 if $self->{deny_reset};
		1621
		1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1624
		1625	$time + $to
		1626	}
		1627
1234	sub should_reset {	1628	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1629	my ($self) = @_;
1251		1630
1252	utf8::encode (my $save = $self->{path}->save_path);	1631	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1632	}
1256		1633
1257	sub reset {	1634	sub reset {
1258	my ($self) = @_;	1635	my ($self) = @_;
1259		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1260	return if $self->players;	1639	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1262		1641
1263	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1264		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1265	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1266		1657
1267	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1268		1659
1269	$self->unlink_save;	1660	$self->unlink_save;
1270	$self->destroy;	1661	$self->destroy;
1271	}	1662	}
1272		1663
1273	sub customise_for {	1664	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1665
1276	if ($map->per_player) {	1666	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1667	my ($self) = @_;
1278	}
1279		1668
1280	$map	1669	delete $cf::MAP{$self->path};
1281	}
1282		1670
1283	sub emergency_save {	1671	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1672
1286	warn "enter emergency map save\n";	1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
		1675	$self->{deny_save} = 1;
		1676	$self->reset_timeout (1);
		1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1678
1288	cf::sync_job {	1679	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1680
1290	$_->save for values %cf::MAP;	1681	$self->reset; # polite request, might not happen
		1682	}
		1683
		1684	=item cf::map::unique_maps
		1685
		1686	Returns an arrayref of paths of all shared maps that have
		1687	instantiated unique items. May block.
		1688
		1689	=cut
		1690
		1691	sub unique_maps() {
		1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
		1694
		1695	my @paths;
		1696
		1697	for (@$files) {
		1698	utf8::decode $_;
		1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1291	};	1703	}
1292		1704
1293	warn "end emergency map save\n";	1705	\@paths
1294	}	1706	}
1295		1707
1296	package cf;	1708	package cf;
1297		1709
1298	=back	1710	=back
1299		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1300		1738
1301	=head3 cf::object::player	1739	=head3 cf::object::player
1302		1740
1303	=over 4	1741	=over 4
1304		1742
…		…
1340	(ref $cf::CFG{"may_$access"}	1778	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1779	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1780	: $cf::CFG{"may_$access"})
1343	}	1781	}
1344		1782
		1783	=item $player_object->enter_link
		1784
		1785	Freezes the player and moves him/her to a special map (C<{link}>).
		1786
		1787	The player should be reasonably safe there for short amounts of time. You
		1788	I<MUST> call C<leave_link> as soon as possible, though.
		1789
		1790	Will never block.
		1791
		1792	=item $player_object->leave_link ($map, $x, $y)
		1793
		1794	Moves the player out of the special C<{link}> map onto the specified
		1795	map. If the map is not valid (or omitted), the player will be moved back
		1796	to the location he/she was before the call to C<enter_link>, or, if that
		1797	fails, to the emergency map position.
		1798
		1799	Might block.
		1800
		1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
		1812
1345	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1814	my ($self) = @_;
1347		1815
1348	return if $self->map == $LINK_MAP;	1816	$self->deactivate_recursive;
1349		1817
		1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1819
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1821	if $self->map;
1352		1822
1353	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1824	}
1356		1825
1357	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1359		1828
1360	my $link_pos = delete $self->{_link_pos};	1829	my $link_pos = delete $self->{_link_pos};
1361		1830
1362	unless ($map) {	1831	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1832	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1833	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1834	$map = cf::map::find $map;
1368		1835
1369	unless ($map) {	1836	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1837	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1838	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1839	or die "FATAL: cannot load emergency map\n";
1373	}	1840	}
1374	}	1841	}
1375		1842
1376	($x, $y) = (-1, -1)	1843	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1382		1849
1383	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1384		1852
		1853	return unless $self->contr->active;
1385	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1387	}	1858	}
1388		1859
		1860	cf::player->attach (
		1861	on_logout => sub {
		1862	my ($pl) = @_;
		1863
		1864	# abort map switching before logout
		1865	if ($pl->ob->{_link_pos}) {
		1866	cf::sync_job {
		1867	$pl->ob->leave_link
		1868	};
		1869	}
		1870	},
		1871	on_login => sub {
		1872	my ($pl) = @_;
		1873
		1874	# try to abort aborted map switching on player login :)
		1875	# should happen only on crashes
		1876	if ($pl->ob->{_link_pos}) {
		1877	$pl->ob->enter_link;
		1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
		1885	Coro::Timer::sleep 1;
		1886	$pl->ob->leave_link;
		1887	})->prio (2);
		1888	}
		1889	},
		1890	);
		1891
1389	=item $player_object->goto_map ($map, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1390		1893
1391	=cut	1894	=cut
1392		1895
1393	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1395		1898
1396	$self->enter_link;	1899	$self->enter_link;
1397		1900
1398	(Coro::async {	1901	(async {
1399	$path = new cf::path $path;	1902	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1903	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1905	$map
		1906	} or
		1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1908
1407	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1910	})->prio (1);
1409	}	1911	}
1410		1912
…		…
1414		1916
1415	sub parse_random_map_params {	1917	sub parse_random_map_params {
1416	my ($spec) = @_;	1918	my ($spec) = @_;
1417		1919
1418	my $rmp = { # defaults	1920	my $rmp = { # defaults
1419	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1421	};	1925	};
1422		1926
1423	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1425		1929
…		…
1429	$rmp	1933	$rmp
1430	}	1934	}
1431		1935
1432	sub prepare_random_map {	1936	sub prepare_random_map {
1433	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1940
1435	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1943	# that depends on the exit object
1438		1944
1439	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1440		1946
1441	if ($exit->map) {	1947	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1446	}	1952	}
1447		1953
1448	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1449		1955
1450	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1959
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1455		1964
1456	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1966	$exit->msg (undef);
1458	}	1967	}
1459	}	1968	}
…		…
1461	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1463		1972
1464	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1465		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1466	$self->enter_link;	1986	$self->enter_link;
1467		1987
1468	(Coro::async {	1988	(async {
		1989	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1990	unless (eval {
1470		1991	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		1992
1477	1;	1993	1;
1478	}) {	1994	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1999
1484	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	2001	$self->leave_link;
1486	}	2002	}
1487	})->prio (1);	2003	})->prio (1);
…		…
1500		2016
1501	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1503		2019
1504	utf8::encode $text;	2020	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	2022	}
1507		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1508		2036
1509	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1510		2038
1511	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1512	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1537	on_reply => sub {	2065	on_reply => sub {
1538	my ($ns, $msg) = @_;	2066	my ($ns, $msg) = @_;
1539		2067
1540	# this weird shuffling is so that direct followup queries	2068	# this weird shuffling is so that direct followup queries
1541	# get handled first	2069	# get handled first
1542	my $queue = delete $ns->{query_queue};	2070	my $queue = delete $ns->{query_queue}
		2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2072
1544	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2075
1546	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1547		2077
1548	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2079	if (@$queue) {
…		…
1553	}	2083	}
1554	}	2084	}
1555	},	2085	},
1556	);	2086	);
1557		2087
1558	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1559		2089
1560	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2092	or loss of connection).
1563		2093
1564	=cut	2094	=cut
1565		2095
1566	sub cf::client::coro {	2096	sub cf::client::async {
1567	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1568		2098
1569	my $coro; $coro = async {	2099	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2100
1576	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1578	});	2103	});
1579		2104
…		…
1612		2137
1613	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1614		2139
1615	=pod	2140	=pod
1616		2141
1617	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1618		2143
1619	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1620	cf::object::player player	2145	cf::object::player player
1621	cf::player peaceful	2146	cf::player peaceful
1622	cf::map trigger	2147	cf::map trigger
…		…
1715	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1716	using it, it should be unique.	2241	using it, it should be unique.
1717		2242
1718	=over 4	2243	=over 4
1719		2244
1720	=item $hashref = cf::db_get $family
1721
1722	Return a hashref for use by the extension C<$family>, which can be
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725
1726	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1727		2246
1728	Returns a single value from the database	2247	Returns a single value from the database.
1729
1730	=item cf::db_put $family => $hashref
1731
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734		2248
1735	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1736		2250
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747		2252
1748	=cut	2253	=cut
1749		2254
1750	our $DB;	2255	our $DB;
1751		2256
1752	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1753	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1754		2276
1755	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1756	warn "loading database $path\n";#d# remove later	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1757	$DB = stat $path ? Storable::retrieve $path : { };	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
1758	}	2280	BDB::db_env_txn_checkpoint $DB_ENV;
1759		2281
1760	my $pid;	2282	unlink $path;
1761
1762	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}	2283	};
1771	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});
1783
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {
1790	@_ >= 2
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794
1795	sub db_put($$;$) {
1796	if (@_ >= 3) {
1797	$DB->{$_[0]}{$_[1]} = $_[2];
1798	} else {
1799	$DB->{$_[0]} = $_[1];
1800	}
1801	db_dirty;
1802	}
1803
1804	cf::global->attach (
1805	prio => 10000,
1806	on_cleanup => sub {
1807	db_sync;
1808	},	2284	}
1809	);	2285	}
		2286	}
		2287
		2288	sub db_get($$) {
		2289	my $key = "$_[0]/$_[1]";
		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
		2299	sub db_put($$$) {
		2300	BDB::dbreq_pri 4;
		2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1810	}	2302	}
1811		2303
1812	#############################################################################	2304	#############################################################################
1813	# the server's main()	2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $facedata;
		2313	0 < aio_load $path, $facedata
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$facedata = Storable::thaw $facedata;
		2318	Coro::cede;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
1814		2371
1815	sub cfg_load {	2372	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2374	or return;
1818		2375
1819	local $/;	2376	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
		2378
		2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
		2384	if (exists $CFG{mlockall}) {
		2385	eval {
		2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2387	and die "WARNING: m(un)lockall failed: $!\n";
		2388	};
		2389	warn $@ if $@;
		2390	}
1821	}	2391	}
1822		2392
1823	sub main {	2393	sub main {
1824	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2397	(async {
1828	Event::one_event;	2398	Event::one_event;
1829	})->();	2399	})->prio (Coro::PRIO_MAX);
1830	};	2400	};
1831		2401
1832	cfg_load;	2402	cfg_load;
1833	db_load;	2403	db_init;
1834	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
1835	Event::loop;	2407	Event::loop;
1836	}	2408	}
1837		2409
1838	#############################################################################	2410	#############################################################################
1839	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
1840		2467
1841	sub reload() {	2468	sub reload() {
1842	# can/must only be called in main	2469	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
1845	return;	2472	return;
1846	}	2473	}
1847		2474
1848	warn "reloading...";	2475	warn "reloading...";
1849		2476
1850	local $FREEZE = 1;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
1852		2483
1853	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
1854	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
1855		2488
1856	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2492	}
1860		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
1861	# cancel all extension coros	2505	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2507	%EXT_CORO = ();
1864		2508
1865	# unload all extensions	2509	warn "removing commands";
1866	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2517	warn "... unloading $pkg";
1868	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2524	}
1870		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
1871	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2533
1875	warn "removing <$k>";	2534	warn "... unloading $k";
1876	delete $INC{$k};	2535	delete $INC{$k};
1877		2536
1878	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
1880		2539
…		…
1883	}	2542	}
1884		2543
1885	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
1886	}	2545	}
1887		2546
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2550
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
1901		2553
1902	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2555	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
1905		2557
1906	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
1907	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
1908	require cf;	2561	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2563
1911	# load config and database again	2564	warn "loading config and database again";
1912	cf::cfg_load;	2565	cf::cfg_load;
1913	cf::db_load;
1914		2566
1915	# load extensions
1916	warn "load extensions";	2567	warn "loading extensions";
1917	cf::load_extensions;	2568	cf::load_extensions;
1918		2569
1919	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2571	_global_reattach; # objects, sockets
1921	_global_reattach;	2572	warn "reattaching attachments to maps";
1922	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
1923		2576
1924	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
1925	warn $@;	2584	warn $@;
1926	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
1927	exit 1;	2586	exit 1;
1928	}	2587	};
1929		2588
1930	warn "reloaded successfully";	2589	warn "reloaded";
1931	};	2590	};
1932		2591
1933	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2593
1978	register_command "reload" => sub {	2594	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
1980		2596
1981	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
1983	reload;	2608	reload;
1984	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
1985	}	2612	}
1986	};	2613	};
1987		2614
1988	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
1989		2618
1990	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
1992	prio => 0,	2622	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
1995	cb => sub {	2625	cb => sub {
1996	unless ($FREEZE) {	2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
1997	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2002		2651
2003	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2654
2006	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2008	},	2657	},
2009	);	2658	);
2010		2659
		2660	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2012		2662	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2663	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2015	poll => 'r',	2665	poll => 'r',
2016	prio => 5,	2666	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2023	after => 0,	2668	cb => \&BDB::poll_cb,
2024	interval => 10,	2669	);
2025	cb => sub {	2670	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2671
2027	write_runtime	2672	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2706	};
2030	},	2707	}
2031	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
		2724
		2725	END { cf::emergency_save }
2032		2726
2033	1	2727	1
2034		2728

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