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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176		222
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	223	=item cf::lock_wait $string
207		224
208	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
209		226
210	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
211		228
212	Wait until the given lock is available and then acquires it and returns	229	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
215	returned.	232	returned.
216		233
217	Lock names should begin with a unique identifier (for example, cf::map::find	234	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	235	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
238	lock_wait $key;	255	lock_wait $key;
239		256
240	$LOCK{$key} = [];	257	$LOCK{$key} = [];
241		258
242	cf::guard {	259	Coro::guard {
243	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
245	}	262	}
246	}	263	}
247		264
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	265	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
266		267
267	my $guard = guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
334		346
335	$coro	347	$coro
336	}	348	}
337		349
338	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
339	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
340		354
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	356	or return;
343		357
		358	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	363	and return;
347		364
		365	# always fsync - this file is important
348	aio_fsync $fh	366	aio_fsync $fh
349	and return;	367	and return;
350		368
351	close $fh	369	close $fh
352	or return;	370	or return;
…		…
355	and return;	373	and return;
356		374
357	1	375	1
358	}	376	}
359		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
360	=back	389	=back
361		390
362	=cut	391	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		392
484	#############################################################################	393	#############################################################################
485		394
486	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
487		396
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	523	our @CB_MAP = ();
615		524
616	my %attachment;	525	my %attachment;
617		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
618	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
620		535
621	use sort 'stable';	536	use sort 'stable';
622		537
…		…
793	# object support	708	# object support
794		709
795	sub reattach {	710	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		715
799	my $registry = $obj->registry;	716	my $registry = $obj->registry;
800		717
801	@$registry = ();	718	@$registry = ();
802		719
…		…
849	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
850		767
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	772	close $fh;
856		773
857	if (@$objs) {	774	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	780	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
865	}	782	}
866	} else {	783	} else {
867	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
934	=cut	851	=cut
935		852
936	sub register_extcmd {	853	sub register_extcmd {
937	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
938		855
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
943	}	857	}
944		858
945	cf::player->attach (	859	cf::player->attach (
946	on_command => sub {	860	on_command => sub {
947	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
960		874
961	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
962		876
963	if (ref $msg) {	877	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	881	}
968	}	882	}
969	} else {	883	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		886
973	cf::override;	887	cf::override;
974	},	888	},
975	);	889	);
976		890
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	891	sub load_extension {
984	my ($path) = @_;	892	my ($path) = @_;
985		893
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
1006		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	915	warn $@;
1008	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1009		917	exit 1;
1010	# no strict 'refs';	918	}
1011	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	920	}
1026		921
1027	# remove commands	922	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	923	}
1052		924
1053	sub load_extensions {	925	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	927	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1060	}	932	}
1061	}	933	}
1062		934
1063	#############################################################################	935	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		936
1101	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1102		938
1103	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1104		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1105	=head3 cf::player	947	=head3 cf::player
1106		948
1107	=over 4	949	=over 4
1108		950
1109	=item cf::player::exists $login	951	=item cf::player::find $login
1110		952
1111	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1112		954
1113	=cut	955	=cut
1114		956
1115	sub cf::player::exists($) {	957	sub playerdir($) {
1116	cf::player::find $_[0]	958	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	963	}
1119		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1121		1130
1122	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1123		1132
1124	=cut	1133	=cut
1125		1134
1126	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1128		1137
1129	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1130		1139
1131	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1132	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
1133		1156
1134	=back	1157	=back
1135		1158
1136		1159
1137	=head3 cf::map	1160	=head3 cf::map
…		…
1143	package cf::map;	1166	package cf::map;
1144		1167
1145	use Fcntl;	1168	use Fcntl;
1146	use Coro::AIO;	1169	use Coro::AIO;
1147		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1148	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1150		1177
1151	sub generate_random_map {	1178	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1181	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1323	}
1169		1324
1170	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1171	# all maps in C++...	1326	# all maps in C++...
1172	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1174		1329
1175	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1177	}	1332	}
1178		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1179	sub try_load_header($) {	1342	sub load_header_from($) {
1180	my ($path) = @_;	1343	my ($self, $path) = @_;
1181		1344
1182	utf8::encode $path;	1345	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1184	or return;	1350	or return;
1185		1351
1186	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1187	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1188		1398
1189	$map->load_header ($path)	1399	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1400	}
1196		1401
1197	sub find;	1402	sub find;
1198	sub find {	1403	sub find {
1199	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1200		1405
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1407
1206	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1207		1409
1208	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1210		1412	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1413	or return;
1230		1414
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1415	$map->{last_save} = $cf::RUNTIME;
1243		1416
1244	Coro::cede;	1417	$map->load_header
		1418	or return;
1245		1419
1246	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1423	$map->reset;
1248	undef $guard;	1424	undef $guard;
1249	$map = find $path	1425	return find $path;
1250	or return;
1251	}	1426	}
1252		1427
1253	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1254	}	1429	}
1255	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1256		1434
1257	sub load {	1435	sub load {
1258	my ($self) = @_;	1436	my ($self) = @_;
1259		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1260	my $path = $self->{path};	1440	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1262		1442
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1444
1265	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1266		1446
1267	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1268	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1452	or return;
1270		1453
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1455	if delete $self->{load_original};
1273		1456
1274	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1458	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1460	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1279	}	1462	}
1280	}	1463	}
1281		1464
1282	Coro::cede;	1465	Coro::cede;
1283		1466
1284	# now do the right thing for maps	1467	# now do the right thing for maps
1285	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1286		1469
1287	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1471	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1294	$self->set_darkness_map;	1475	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1297	$self->activate;	1479	$self->activate;
1298	}	1480	}
1299		1481
1300	Coro::cede;	1482	$self->post_load;
1301		1483
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
1303	}	1518	}
1304		1519
1305	sub find_sync {	1520	sub find_sync {
1306	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1307		1522
1308	cf::sync_job { cf::map::find $path, $origin }	1523	cf::sync_job { find $path, $origin }
1309	}	1524	}
1310		1525
1311	sub do_load_sync {	1526	sub do_load_sync {
1312	my ($map) = @_;	1527	my ($map) = @_;
1313		1528
1314	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1315	}	1530	}
1316		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
		1560	}
		1561
1317	sub save {	1562	sub save {
1318	my ($self) = @_;	1563	my ($self) = @_;
1319		1564
		1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1566
1320	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1321		1568
1322	return unless $self->dirty;	1569	return unless $self->dirty;
1323		1570
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1573
1327	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1328		1575
1329	return if $self->{deny_save};	1576	return if $self->{deny_save};
1330		1577
1331	local $self->{last_access} = $self->last_access;#d#	1578	local $self->{last_access} = $self->last_access;#d#
1332		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
1333	if ($uniq) {	1584	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1587	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1589	}
1339	}	1590	}
1340		1591
1341	sub swap_out {	1592	sub swap_out {
1342	my ($self) = @_;	1593	my ($self) = @_;
1343		1594
1344	# save first because save cedes	1595	# save first because save cedes
1345	$self->save;	1596	$self->save;
		1597
		1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1599
1347	return if $self->players;	1600	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1602	return if $self->{deny_save};
1350		1603
…		…
1354		1607
1355	sub reset_at {	1608	sub reset_at {
1356	my ($self) = @_;	1609	my ($self) = @_;
1357		1610
1358	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1361		1614
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1617
…		…
1369	my ($self) = @_;	1622	my ($self) = @_;
1370		1623
1371	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1372	}	1625	}
1373		1626
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1627	sub reset {
1396	my ($self) = @_;	1628	my ($self) = @_;
1397		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
1398	return if $self->players;	1632	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1400		1634
1401	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1402		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1403	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1404		1650
1405	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1406		1652
1407	$self->unlink_save;	1653	$self->unlink_save;
1408	$self->destroy;	1654	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1412		1658
1413	sub nuke {	1659	sub nuke {
1414	my ($self) = @_;	1660	my ($self) = @_;
1415		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1419	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1420	}	1675	}
1421		1676
1422	sub customise_for {	1677	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1678
1425	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1427	}
1428		1681
1429	$map	1682	=cut
1430	}
1431		1683
1432	sub emergency_save {	1684	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1434		1687
1435	warn "enter emergency map save\n";	1688	my @paths;
1436		1689
1437	cf::sync_job {	1690	for (@$files) {
1438	warn "begin emergency map save\n";	1691	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1440	};	1696	}
1441		1697
1442	warn "end emergency map save\n";	1698	\@paths
1443	}	1699	}
1444		1700
1445	package cf;	1701	package cf;
1446		1702
1447	=back	1703	=back
1448		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1449		1731
1450	=head3 cf::object::player	1732	=head3 cf::object::player
1451		1733
1452	=over 4	1734	=over 4
1453		1735
…		…
1493		1775
1494	=item $player_object->enter_link	1776	=item $player_object->enter_link
1495		1777
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1779
1498	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1500		1782
		1783	Will never block.
		1784
1501	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1502		1786
1503	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1790	fails, to the emergency map position.
1507		1791
1508	Might block.	1792	Might block.
1509		1793
1510	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1511		1805
1512	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1807	my ($self) = @_;
1514		1808
1515	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1516		1810
1517	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1812
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1814	if $self->map;
1521		1815
1522	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1817	}
1524		1818
1525	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1527		1821
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1548		1842
1549	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1550		1845
		1846	return unless $self->contr->active;
1551	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1553	}	1851	}
1554		1852
1555	cf::player->attach (	1853	cf::player->attach (
1556	on_logout => sub {	1854	on_logout => sub {
…		…
1568		1866
1569	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1868	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1573	cf::async {	1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
1574	# we need this sleep as the login has a concurrent enter_exit running	1876	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1877	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1578	};	1880	})->prio (2);
1579	}	1881	}
1580	},	1882	},
1581	);	1883	);
1582		1884
1583	=item $player_object->goto_map ($path, $x, $y)	1885	=item $player_object->goto ($path, $x, $y)
1584		1886
1585	=cut	1887	=cut
1586		1888
1587	sub cf::object::player::goto_map {	1889	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1589		1891
1590	$self->enter_link;	1892	$self->enter_link;
1591		1893
1592	(cf::async {	1894	(async {
1593	$path = new cf::path $path;	1895	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1597		1898	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1901
1603	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1903	})->prio (1);
1605	}	1904	}
1606		1905
…		…
1610		1909
1611	sub parse_random_map_params {	1910	sub parse_random_map_params {
1612	my ($spec) = @_;	1911	my ($spec) = @_;
1613		1912
1614	my $rmp = { # defaults	1913	my $rmp = { # defaults
1615	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1617	};	1918	};
1618		1919
1619	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1621		1922
…		…
1625	$rmp	1926	$rmp
1626	}	1927	}
1627		1928
1628	sub prepare_random_map {	1929	sub prepare_random_map {
1629	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1933
1631	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1936	# that depends on the exit object
1634		1937
1635	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1636		1939
1637	if ($exit->map) {	1940	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1642	}	1945	}
1643		1946
1644	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1645		1948
1646	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1952
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1651		1957
1652	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1959	$exit->msg (undef);
1654	}	1960	}
1655	}	1961	}
…		…
1657	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1659		1965
1660	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1661		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
		1978
1662	$self->enter_link;	1979	$self->enter_link;
1663		1980
1664	(cf::async {	1981	(async {
1665	$self->deactivate_recursive; # just to be sure	1982	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1983	unless (eval {
1667	prepare_random_map $exit	1984	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1985
1673	1;	1986	1;
1674	}) {	1987	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	1990	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1992
1680	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1994	$self->leave_link;
1682	}	1995	}
1683	})->prio (1);	1996	})->prio (1);
…		…
1696		2009
1697	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1699		2012
1700	utf8::encode $text;	2013	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2015	}
1703		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1704		2029
1705	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1706		2031
1707	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1737	# get handled first	2062	# get handled first
1738	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2065
1741	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2068
1743	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1744		2070
1745	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2072	if (@$queue) {
…		…
1750	}	2076	}
1751	}	2077	}
1752	},	2078	},
1753	);	2079	);
1754		2080
1755	=item $client->coro (\&cb)	2081	=item $client->async (\&cb)
1756		2082
1757	Create a new coroutine, running the specified callback. The coroutine will	2083	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2084	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2085	or loss of connection).
1760		2086
1761	=cut	2087	=cut
1762		2088
1763	sub cf::client::coro {	2089	sub cf::client::async {
1764	my ($self, $cb) = @_;	2090	my ($self, $cb) = @_;
1765		2091
1766	my $coro = &cf::async ($cb);	2092	my $coro = &Coro::async ($cb);
1767		2093
1768	$coro->on_destroy (sub {	2094	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2095	delete $self->{_coro}{$coro+0};
1770	});	2096	});
1771		2097
…		…
1804		2130
1805	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
1806		2132
1807	=pod	2133	=pod
1808		2134
1809	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
1810		2136
1811	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2138	cf::object::player player
1813	cf::player peaceful	2139	cf::player peaceful
1814	cf::map trigger	2140	cf::map trigger
…		…
1907	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2234	using it, it should be unique.
1909		2235
1910	=over 4	2236	=over 4
1911		2237
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2238	=item $value = cf::db_get $family => $key
1919		2239
1920	Returns a single value from the database	2240	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2241
1927	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
1928		2243
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2245
1940	=cut	2246	=cut
1941		2247
1942	our $DB;	2248	our $DB;
1943		2249
1944	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
1945	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
1946		2269
1947	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2274
1951	my $pid;	2275	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2276	};
1961	}	2277	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});	2278	}
		2279	}
1973		2280
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {	2281	sub db_get($$) {
1980	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
1985	sub db_put($$;$) {	2292	sub db_put($$$) {
1986	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
1987	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
1988	} else {	2331	} else {
1989	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$info->{smooth}' not found for face '$face'";
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2333	}
1999	);	2334	Coro::cede;
2000	}	2335	}
2001		2336
2002	#############################################################################	2337	1
2003	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
2004		2350
2005	sub cfg_load {	2351	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2353	or return;
2008		2354
2009	local $/;	2355	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2356	*CFG = YAML::Syck::Load <$fh>;
2011		2357
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2359
		2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2362
2014	if (exists $CFG{mlockall}) {	2363	if (exists $CFG{mlockall}) {
2015	eval {	2364	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2365	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2366	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2367	};
2019	warn $@ if $@;	2368	warn $@ if $@;
2020	}	2369	}
2021	}	2370	}
2022		2371
2023	sub main {	2372	sub main {
2024	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2376	(async {
2028	Event::one_event;	2377	Event::one_event;
2029	})->();	2378	})->prio (Coro::PRIO_MAX);
2030	};	2379	};
2031		2380
2032	cfg_load;	2381	cfg_load;
2033	db_load;	2382	db_init;
2034	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
2035	Event::loop;	2386	Event::loop;
2036	}	2387	}
2037		2388
2038	#############################################################################	2389	#############################################################################
2039	# initialisation	2390	# initialisation and cleanup
		2391
		2392	# install some emergency cleanup handlers
		2393	BEGIN {
		2394	for my $signal (qw(INT HUP TERM)) {
		2395	Event->signal (
		2396	reentrant => 0,
		2397	data => WF_AUTOCANCEL,
		2398	signal => $signal,
		2399	prio => 0,
		2400	cb => sub {
		2401	cf::cleanup "SIG$signal";
		2402	},
		2403	);
		2404	}
		2405	}
		2406
		2407	sub emergency_save() {
		2408	my $freeze_guard = cf::freeze_mainloop;
		2409
		2410	warn "enter emergency perl save\n";
		2411
		2412	cf::sync_job {
		2413	# use a peculiar iteration method to avoid tripping on perl
		2414	# refcount bugs in for. also avoids problems with players
		2415	# and maps saved/destroyed asynchronously.
		2416	warn "begin emergency player save\n";
		2417	for my $login (keys %cf::PLAYER) {
		2418	my $pl = $cf::PLAYER{$login} or next;
		2419	$pl->valid or next;
		2420	$pl->save;
		2421	}
		2422	warn "end emergency player save\n";
		2423
		2424	warn "begin emergency map save\n";
		2425	for my $path (keys %cf::MAP) {
		2426	my $map = $cf::MAP{$path} or next;
		2427	$map->valid or next;
		2428	$map->save;
		2429	}
		2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
		2435	};
		2436
		2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
		2445	}
2040		2446
2041	sub reload() {	2447	sub reload() {
2042	# can/must only be called in main	2448	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
2045	return;	2451	return;
2046	}	2452	}
2047		2453
2048	warn "reloading...";	2454	warn "reloading...";
2049		2455
2050	my $guard = freeze_mainloop;	2456	warn "entering sync_job";
		2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2052		2462
2053	eval {	2463	warn "syncing database to disk";
		2464	BDB::db_env_txn_checkpoint $DB_ENV;
		2465
2054	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
2055		2467
2056	# cancel all watchers	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2471	}
2060		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
2061	# cancel all extension coros	2484	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2486	%EXT_CORO = ();
2064		2487
2065	# unload all extensions	2488	warn "removing commands";
2066	for (@exts) {	2489	%COMMAND = ();
		2490
		2491	warn "removing ext commands";
		2492	%EXTCMD = ();
		2493
		2494	warn "unloading/nuking all extensions";
		2495	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2496	warn "... unloading $pkg";
2068	unload_extension $_;	2497
		2498	if (my $cb = $pkg->can ("unload")) {
		2499	eval {
		2500	$cb->($pkg);
		2501	1
		2502	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2503	}
2070		2504
		2505	warn "... nuking $pkg";
		2506	Symbol::delete_package $pkg;
		2507	}
		2508
2071	# unload all modules loaded from $LIBDIR	2509	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2512
2075	warn "removing <$k>";	2513	warn "... unloading $k";
2076	delete $INC{$k};	2514	delete $INC{$k};
2077		2515
2078	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
2080		2518
…		…
2083	}	2521	}
2084		2522
2085	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
2086	}	2524	}
2087		2525
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2526	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2529
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2530	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
2101		2532
2102	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2534	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
2105		2536
2106	# reload cf.pm	2537	warn "unload completed, starting to reload now";
		2538
2107	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
2108	require cf;	2540	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2542
2111	# load config and database again	2543	warn "loading config and database again";
2112	cf::cfg_load;	2544	cf::cfg_load;
2113	cf::db_load;
2114		2545
2115	# load extensions
2116	warn "load extensions";	2546	warn "loading extensions";
2117	cf::load_extensions;	2547	cf::load_extensions;
2118		2548
2119	# reattach attachments to objects	2549	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2550	_global_reattach; # objects, sockets
2121	_global_reattach;	2551	warn "reattaching attachments to maps";
2122	};	2552	reattach $_ for values %MAP;
		2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2123		2555
2124	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
2125	warn $@;	2563	warn $@;
2126	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2127	exit 1;	2565	exit 1;
2128	}	2566	};
2129		2567
2130	warn "reloaded successfully";	2568	warn "reloaded";
2131	};	2569	};
2132		2570
2133	#############################################################################	2571	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2572
2178	register_command "reload" => sub {	2573	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2180		2575
2181	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2183	reload;	2587	reload;
2184	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2185	}	2591	}
2186	};	2592	};
2187		2593
2188	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2189		2597
2190	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2192	prio => 0,	2601	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2195	cb => sub {	2604	cb => sub {
		2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
		2611	$NOW = Event::time;
		2612
2196	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
		2625	$WAIT_FOR_TICK->broadcast;
		2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2199		2630
2200	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2633
2203	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2205	},	2636	},
2206	);	2637	);
2207		2638
		2639	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2209		2641	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2642	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2212	poll => 'r',	2644	poll => 'r',
2213	prio => 5,	2645	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2220	after => 0,	2647	cb => \&BDB::poll_cb,
2221	interval => 10,	2648	);
2222	cb => sub {	2649	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2650
2224	write_runtime	2651	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2685	};
2227	},	2686	}
2228	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
2229		2703
2230	END { cf::emergency_save }	2704	END { cf::emergency_save }
2231		2705
2232	1	2706	1
2233		2707

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