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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.116 by root, Mon Jan 1 17:30:34 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 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
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
253		346
254	$coro	347	$coro
255	}	348	}
256		349
257	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
258	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
259		354
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	356	or return;
262		357
		358	my $value = $cf::RUNTIME + 90 + 10;
263	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
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	363	and return;
266		364
		365	# always fsync - this file is important
267	aio_fsync $fh	366	aio_fsync $fh
268	and return;	367	and return;
269		368
270	close $fh	369	close $fh
271	or return;	370	or return;
…		…
274	and return;	373	and return;
275		374
276	1	375	1
277	}	376	}
278		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		392
403	#############################################################################	393	#############################################################################
404		394
405	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
406		396
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	523	our @CB_MAP = ();
534		524
535	my %attachment;	525	my %attachment;
536		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
537	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
539		535
540	use sort 'stable';	536	use sort 'stable';
541		537
…		…
712	# object support	708	# object support
713		709
714	sub reattach {	710	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		715
718	my $registry = $obj->registry;	716	my $registry = $obj->registry;
719		717
720	@$registry = ();	718	@$registry = ();
721		719
…		…
768	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
769		767
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	772	close $fh;
775		773
776	if (@$objs) {	774	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	780	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
784	}	782	}
785	} else {	783	} else {
786	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
818	or return;	816	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
820	}	818	}
821		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	822	return ($data, $av);
823	}	823	}
824		824
825	#############################################################################	825	#############################################################################
826	# command handling &c	826	# command handling &c
…		…
851	=cut	851	=cut
852		852
853	sub register_extcmd {	853	sub register_extcmd {
854	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
855		855
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
860	}	857	}
861		858
862	cf::player->attach (	859	cf::player->attach (
863	on_command => sub {	860	on_command => sub {
864	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
877		874
878	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
879		876
880	if (ref $msg) {	877	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	881	}
885	}	882	}
886	} else {	883	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		886
890	cf::override;	887	cf::override;
891	},	888	},
892	);	889	);
893		890
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	891	sub load_extension {
901	my ($path) = @_;	892	my ($path) = @_;
902		893
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	895	my $base = $1;
905	my $pkg = $1;	896	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
908		899
909	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
910		901
911	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
912	or die "$path: $!";	903	or die "$path: $!";
913		904
914	my $source =	905	my $source =
915	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
918	. "\n};\n1";	909	. "\n};\n1";
919		910
920	eval $source	911	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	913	: "extension disabled.\n";
923		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	915	warn $@;
925	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
926		917	exit 1;
927	# no strict 'refs';	918	}
928	# @{"$pkg\::ISA"} = ext::;	919	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	920	}
943		921
944	# remove commands	922	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	923	}
969		924
970	sub load_extensions {	925	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	927	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
977	}	932	}
978	}	933	}
979		934
980	#############################################################################	935	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		936
1018	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1019		938
1020	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1021		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1022	=head3 cf::player	947	=head3 cf::player
1023		948
1024	=over 4	949	=over 4
1025		950
1026	=item cf::player::exists $login	951	=item cf::player::find $login
1027		952
1028	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1029		954
1030	=cut	955	=cut
1031		956
1032	sub cf::player::exists($) {	957	sub playerdir($) {
1033	cf::player::find $_[0]	958	cf::localdir
1034	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])
1035	}	963	}
1036		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
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1038		1137
1039	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1040		1139
1041	=cut	1140	=cut
1042		1141
1043	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1044	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1045		1144
1046	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1047		1146
1048	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1049	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1050		1163
1051	=back	1164	=back
1052		1165
1053		1166
1054	=head3 cf::map	1167	=head3 cf::map
…		…
1060	package cf::map;	1173	package cf::map;
1061		1174
1062	use Fcntl;	1175	use Fcntl;
1063	use Coro::AIO;	1176	use Coro::AIO;
1064		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1065	our $MAX_RESET = 7200;	1182	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1183	our $DEFAULT_RESET = 3000;
1067		1184
1068	sub generate_random_map {	1185	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1188	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(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, $path
1085	}	1330	}
1086		1331
1087	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1088	# all maps in C++...	1333	# all maps in C++...
1089	sub change_all_map_light {	1334	sub change_all_map_light {
1090	my ($change) = @_;	1335	my ($change) = @_;
1091		1336
1092	$_->change_map_light ($change) for values %cf::MAP;	1337	$_->change_map_light ($change)
		1338	for grep $_->outdoor, values %cf::MAP;
1093	}	1339	}
1094		1340
		1341	sub unlink_save {
		1342	my ($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
1095	sub try_load_header($) {	1349	sub load_header_from($) {
1096	my ($path) = @_;	1350	my ($self, $path) = @_;
1097		1351
1098	utf8::encode $path;	1352	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1100	or return;	1357	or return;
1101		1358
1102	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
1103	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1104		1405
1105	$map->load_header ($path)	1406	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1407	}
1112		1408
		1409	sub find;
1113	sub find_map {	1410	sub find {
1114	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1115		1412
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1414
		1415	cf::lock_wait "map_find:$path";
		1416
1121	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1122	# do it the slow way	1418	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1419	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1420	or return;
1137		1421
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1423
1151	if ($map->should_reset) {	1424	$map->load_header
		1425	or return;
		1426
		1427	if ($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;
1152	$map->reset;	1430	$map->reset;
1153	$map = find_map $path;	1431	undef $guard;
		1432	return find $path;
1154	}	1433	}
1155		1434
1156	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1157	}	1436	}
1158	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1159		1441
1160	sub load {	1442	sub load {
1161	my ($self) = @_;	1443	my ($self) = @_;
1162		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
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1451
1165	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1166		1453
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1170	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1459	or return;
1172		1460
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1462	if delete $self->{load_original};
1175		1463
1176	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1465	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1467	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1181	}	1469	}
1182	}	1470	}
		1471
		1472	Coro::cede;
1183		1473
1184	# now do the right thing for maps	1474	# now do the right thing for maps
1185	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1186		1476
1187	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1478	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1194	$self->set_darkness_map;	1482	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1197	$self->activate;	1486	$self->activate;
1198	}	1487	}
1199		1488
		1489	$self->post_load;
		1490
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1492	}
1202		1493
1203	sub load_map_sync {	1494	sub customise_for {
		1495	my ($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	$neigh->load;
		1524	}
		1525	}
		1526
		1527	sub find_sync {
1204	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1205		1529
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1530	cf::sync_job { find $path, $origin }
		1531	}
1207		1532
1208	cf::sync_job {	1533	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1534	my ($map) = @_;
1210	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;
1211	$map->load;	1557	$map->load;
1212	$map	1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
1213	}	1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
1214	}	1567	}
1215		1568
1216	sub save {	1569	sub save {
1217	my ($self) = @_;	1570	my ($self) = @_;
1218		1571
1219	my $save = $self->{path}->save_path; utf8::encode $save;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1220	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1221		1573
1222	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1223		1575
1224	return unless $self->dirty;	1576	return unless $self->dirty;
1225		1577
		1578	my $save = $self->save_path; utf8::encode $save;
		1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1580
1226	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1227		1582
1228	return if $self->{deny_save};	1583	return if $self->{deny_save};
1229		1584
		1585	local $self->{last_access} = $self->last_access;#d#
		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
		1590
1230	if ($uniq) {	1591	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1594	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}	1596	}
1236	}	1597	}
1237		1598
1238	sub swap_out {	1599	sub swap_out {
1239	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;
1240		1606
1241	return if $self->players;	1607	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1609	return if $self->{deny_save};
1244		1610
1245	$self->save;
1246	$self->clear;	1611	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1612	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1613	}
1249		1614
1250	sub reset_at {	1615	sub reset_at {
1251	my ($self) = @_;	1616	my ($self) = @_;
1252		1617
1253	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1256		1621
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1624
…		…
1264	my ($self) = @_;	1629	my ($self) = @_;
1265		1630
1266	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1267	}	1632	}
1268		1633
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1634	sub reset {
1291	my ($self) = @_;	1635	my ($self) = @_;
1292		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1293	return if $self->players;	1639	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1295		1641
1296	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1297		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
1298	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1299		1657
1300	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1301		1659
1302	$self->unlink_save;	1660	$self->unlink_save;
1303	$self->destroy;	1661	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1307		1665
1308	sub nuke {	1666	sub nuke {
1309	my ($self) = @_;	1667	my ($self) = @_;
1310		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1314	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1315	}	1682	}
1316		1683
1317	sub customise_for {	1684	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1685
1320	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1322	}
1323		1688
1324	$map	1689	=cut
1325	}
1326		1690
1327	sub emergency_save {	1691	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1329		1694
1330	warn "enter emergency map save\n";	1695	my @paths;
1331		1696
1332	cf::sync_job {	1697	for (@$files) {
1333	warn "begin emergency map save\n";	1698	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1335	};	1703	}
1336		1704
1337	warn "end emergency map save\n";	1705	\@paths
1338	}	1706	}
1339		1707
1340	package cf;	1708	package cf;
1341		1709
1342	=back	1710	=back
1343		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
1344		1738
1345	=head3 cf::object::player	1739	=head3 cf::object::player
1346		1740
1347	=over 4	1741	=over 4
1348		1742
…		…
1388		1782
1389	=item $player_object->enter_link	1783	=item $player_object->enter_link
1390		1784
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1786
1393	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1395		1789
		1790	Will never block.
		1791
1396	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1397		1793
1398	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1797	fails, to the emergency map position.
1402		1798
1403	Might block.	1799	Might block.
1404		1800
1405	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($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	$LINK_MAP
		1811	}
1406		1812
1407	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1814	my ($self) = @_;
1409		1815
1410	return if $self->map == $LINK_MAP;	1816	$self->deactivate_recursive;
1411		1817
		1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1819
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1821	if $self->map;
1414		1822
1415	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1824	}
1418		1825
1419	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1421		1828
1422	my $link_pos = delete $self->{_link_pos};	1829	my $link_pos = delete $self->{_link_pos};
1423		1830
1424	unless ($map) {	1831	unless ($map) {
1425	# restore original map position	1832	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1833	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1834	$map = cf::map::find $map;
1428		1835
1429	unless ($map) {	1836	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1837	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1838	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1839	or die "FATAL: cannot load emergency map\n";
1433	}	1840	}
1434	}	1841	}
1435		1842
1436	($x, $y) = (-1, -1)	1843	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1442		1849
1443	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1444		1852
		1853	return unless $self->contr->active;
1445	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1447	}	1858	}
1448		1859
		1860	cf::player->attach (
		1861	on_logout => sub {
		1862	my ($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
1449	=item $player_object->goto_map ($map, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1450		1893
1451	=cut	1894	=cut
1452		1895
1453	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1455		1898
1456	$self->enter_link;	1899	$self->enter_link;
1457		1900
1458	(Coro::async {	1901	(async {
1459	$path = new cf::path $path;	1902	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1903	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1905	$map
1466		1906	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1908
1469	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1910	})->prio (1);
1471	}	1911	}
1472		1912
…		…
1476		1916
1477	sub parse_random_map_params {	1917	sub parse_random_map_params {
1478	my ($spec) = @_;	1918	my ($spec) = @_;
1479		1919
1480	my $rmp = { # defaults	1920	my $rmp = { # defaults
1481	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1483	};	1925	};
1484		1926
1485	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1487		1929
…		…
1491	$rmp	1933	$rmp
1492	}	1934	}
1493		1935
1494	sub prepare_random_map {	1936	sub prepare_random_map {
1495	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1940
1497	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1943	# that depends on the exit object
1500		1944
1501	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1502		1946
1503	if ($exit->map) {	1947	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1508	}	1952	}
1509		1953
1510	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1511		1955
1512	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1959
1515	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) {
1516	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;
1517		1964
1518	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	1966	$exit->msg (undef);
1520	}	1967	}
1521	}	1968	}
…		…
1523	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1525		1972
1526	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1527		1974
		1975	if ($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
1528	$self->enter_link;	1986	$self->enter_link;
1529		1987
1530	(Coro::async {	1988	(async {
		1989	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	1990	unless (eval {
1532		1991	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		1992
1539	1;	1993	1;
1540	}) {	1994	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "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. "
1543	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1545		1999
1546	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	2001	$self->leave_link;
1548	}	2002	}
1549	})->prio (1);	2003	})->prio (1);
…		…
1562		2016
1563	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1565		2019
1566	utf8::encode $text;	2020	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2022	}
1569		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	}
1570		2036
1571	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1572		2038
1573	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1574	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>,
…		…
1599	on_reply => sub {	2065	on_reply => sub {
1600	my ($ns, $msg) = @_;	2066	my ($ns, $msg) = @_;
1601		2067
1602	# this weird shuffling is so that direct followup queries	2068	# this weird shuffling is so that direct followup queries
1603	# get handled first	2069	# get handled first
1604	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
1605		2072
1606	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2075
1608	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1609		2077
1610	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2079	if (@$queue) {
…		…
1615	}	2083	}
1616	}	2084	}
1617	},	2085	},
1618	);	2086	);
1619		2087
1620	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1621		2089
1622	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1623	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,
1624	or loss of connection).	2092	or loss of connection).
1625		2093
1626	=cut	2094	=cut
1627		2095
1628	sub cf::client::coro {	2096	sub cf::client::async {
1629	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1630		2098
1631	my $coro; $coro = async {	2099	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2100
1638	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1640	});	2103	});
1641		2104
…		…
1674		2137
1675	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1676		2139
1677	=pod	2140	=pod
1678		2141
1679	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1680		2143
1681	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1682	cf::object::player player	2145	cf::object::player player
1683	cf::player peaceful	2146	cf::player peaceful
1684	cf::map trigger	2147	cf::map trigger
…		…
1777	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
1778	using it, it should be unique.	2241	using it, it should be unique.
1779		2242
1780	=over 4	2243	=over 4
1781		2244
1782	=item $hashref = cf::db_get $family
1783
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1789		2246
1790	Returns a single value from the database	2247	Returns a single value from the database.
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796		2248
1797	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1798		2250
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809		2252
1810	=cut	2253	=cut
1811		2254
1812	our $DB;	2255	our $DB;
1813		2256
1814	{	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
1815	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;
1816		2276
1817	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1818	warn "loading database $path\n";#d# remove later	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1819	$DB = stat $path ? Storable::retrieve $path : { };	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
1820	}	2280	BDB::db_env_txn_checkpoint $DB_ENV;
1821		2281
1822	my $pid;	2282	unlink $path;
1823
1824	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}	2283	};
1833	}	2284	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});	2285	}
		2286	}
1845		2287
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {	2288	sub db_get($$) {
1852	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
1857	sub db_put($$;$) {	2299	sub db_put($$$) {
1858	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
1859	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		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 $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
1860	} else {	2338	} else {
1861	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2340	}
1871	);	2341	Coro::cede;
1872	}	2342	}
1873		2343
1874	#############################################################################	2344	1
1875	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
1876		2357
1877	sub cfg_load {	2358	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2360	or return;
1880		2361
1881	local $/;	2362	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2363	*CFG = YAML::Syck::Load <$fh>;
		2364
		2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2366
		2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2369
		2370	if (exists $CFG{mlockall}) {
		2371	eval {
		2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2373	and die "WARNING: m(un)lockall failed: $!\n";
		2374	};
		2375	warn $@ if $@;
		2376	}
1883	}	2377	}
1884		2378
1885	sub main {	2379	sub main {
1886	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2383	(async {
1890	Event::one_event;	2384	Event::one_event;
1891	})->();	2385	})->prio (Coro::PRIO_MAX);
1892	};	2386	};
1893		2387
1894	cfg_load;	2388	cfg_load;
1895	db_load;	2389	db_init;
1896	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
1897	Event::loop;	2393	Event::loop;
1898	}	2394	}
1899		2395
1900	#############################################################################	2396	#############################################################################
1901	# initialisation	2397	# initialisation and cleanup
		2398
		2399	# install some emergency cleanup handlers
		2400	BEGIN {
		2401	for my $signal (qw(INT HUP TERM)) {
		2402	Event->signal (
		2403	reentrant => 0,
		2404	data => WF_AUTOCANCEL,
		2405	signal => $signal,
		2406	prio => 0,
		2407	cb => sub {
		2408	cf::cleanup "SIG$signal";
		2409	},
		2410	);
		2411	}
		2412	}
		2413
		2414	sub emergency_save() {
		2415	my $freeze_guard = cf::freeze_mainloop;
		2416
		2417	warn "enter emergency perl save\n";
		2418
		2419	cf::sync_job {
		2420	# use a peculiar iteration method to avoid tripping on perl
		2421	# refcount bugs in for. also avoids problems with players
		2422	# and maps saved/destroyed asynchronously.
		2423	warn "begin emergency player save\n";
		2424	for my $login (keys %cf::PLAYER) {
		2425	my $pl = $cf::PLAYER{$login} or next;
		2426	$pl->valid or next;
		2427	$pl->save;
		2428	}
		2429	warn "end emergency player save\n";
		2430
		2431	warn "begin emergency map save\n";
		2432	for my $path (keys %cf::MAP) {
		2433	my $map = $cf::MAP{$path} or next;
		2434	$map->valid or next;
		2435	$map->save;
		2436	}
		2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
		2442	};
		2443
		2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
		2452	}
1902		2453
1903	sub reload() {	2454	sub reload() {
1904	# can/must only be called in main	2455	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
1907	return;	2458	return;
1908	}	2459	}
1909		2460
1910	warn "reloading...";	2461	warn "reloading...";
1911		2462
1912	local $FREEZE = 1;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
1914		2469
1915	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
1916	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
1917		2474
1918	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2478	}
1922		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
1923	# cancel all extension coros	2491	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2493	%EXT_CORO = ();
1926		2494
1927	# unload all extensions	2495	warn "removing commands";
1928	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2503	warn "... unloading $pkg";
1930	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2510	}
1932		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
1933	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2519
1937	warn "removing <$k>";	2520	warn "... unloading $k";
1938	delete $INC{$k};	2521	delete $INC{$k};
1939		2522
1940	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
1942		2525
…		…
1945	}	2528	}
1946		2529
1947	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
1948	}	2531	}
1949		2532
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2536
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
1963		2539
1964	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2541	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
1967		2543
1968	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
1969	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
1970	require cf;	2547	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2549
1973	# load config and database again	2550	warn "loading config and database again";
1974	cf::cfg_load;	2551	cf::cfg_load;
1975	cf::db_load;
1976		2552
1977	# load extensions
1978	warn "load extensions";	2553	warn "loading extensions";
1979	cf::load_extensions;	2554	cf::load_extensions;
1980		2555
1981	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2557	_global_reattach; # objects, sockets
1983	_global_reattach;	2558	warn "reattaching attachments to maps";
1984	};	2559	reattach $_ for values %MAP;
		2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
1985		2562
1986	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
1987	warn $@;	2570	warn $@;
1988	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
1989	exit 1;	2572	exit 1;
1990	}	2573	};
1991		2574
1992	warn "reloaded successfully";	2575	warn "reloaded";
1993	};	2576	};
1994		2577
1995	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
1996
1997	unless ($LINK_MAP) {
1998	$LINK_MAP = cf::map::new;
1999
2000	$LINK_MAP->width (41);
2001	$LINK_MAP->height (41);
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,
2010	cb => sub {
2011	$_[0]->w->cancel;
2012
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});
2031
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}
2037
2038	register "<global>", __PACKAGE__;
2039		2579
2040	register_command "reload" => sub {	2580	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2042		2582
2043	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2045	reload;	2594	reload;
2046	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2047	}	2598	}
2048	};	2599	};
2049		2600
2050	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2051		2604
2052	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2054	prio => 0,	2608	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2057	cb => sub {	2611	cb => sub {
2058	unless ($FREEZE) {	2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2059	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
		2632	$WAIT_FOR_TICK->broadcast;
		2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2064		2637
2065	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2640
2068	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2070	},	2643	},
2071	);	2644	);
2072		2645
		2646	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2074		2648	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	2649	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2077	poll => 'r',	2651	poll => 'r',
2078	prio => 5,	2652	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2085	after => 0,	2654	cb => \&BDB::poll_cb,
2086	interval => 10,	2655	);
2087	cb => sub {	2656	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	2657
2089	write_runtime	2658	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	2692	};
2092	},	2693	}
2093	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
		2710
		2711	END { cf::emergency_save }
2094		2712
2095	1	2713	1
2096		2714

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