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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.226 by root, Wed Mar 14 04:12:29 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 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		81
58	binmode STDOUT;	82	binmode STDOUT;
59	binmode STDERR;	83	binmode STDERR;
60		84
61	# read virtual server time, if available	85	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	92	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
73		98
74	# a special map that is always available	99	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		100
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	101	sub cf::map::normalise;
78		102
79	#############################################################################	103	#############################################################################
80		104
81	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
82		106
…		…
106		130
107	=item %cf::CFG	131	=item %cf::CFG
108		132
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
111		142
112	=back	143	=back
113		144
114	=cut	145	=cut
115		146
…		…
119	utf8::encode $msg;	150	utf8::encode $msg;
120		151
121	$msg .= "\n"	152	$msg .= "\n"
122	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
123		154
124	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
125	};	156	};
126	}	157	}
127		158
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		178
148	$Event::DIED = sub {	179	$Event::DIED = sub {
149	warn "error in event callback: @_";	180	warn "error in event callback: @_";
150	};	181	};
151		182
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
157		184
158	=over 4	185	=over 4
159		186
		187	=item dumpval $ref
		188
160	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
161		209
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		211
164	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
165		213
…		…
181	sub to_json($) {	229	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
184	}	232	}
185		233
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	234	=item cf::lock_wait $string
209		235
210	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
211		237
212	=item my $lock = cf::lock_acquire $string	238	=item my $lock = cf::lock_acquire $string
213		239
214	Wait until the given lock is available and then acquires it and returns	240	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	242	for example when the coroutine gets canceled), the lock is automatically
217	returned.	243	returned.
218		244
219	Lock names should begin with a unique identifier (for example, find_map	245	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	246	uses map_find and cf::map::load uses map_load).
221		247
222	=cut	248	=cut
223		249
224	our %LOCK;	250	our %LOCK;
225		251
…		…
239	# wait, to be sure we are not locked	265	# wait, to be sure we are not locked
240	lock_wait $key;	266	lock_wait $key;
241		267
242	$LOCK{$key} = [];	268	$LOCK{$key} = [];
243		269
244	cf::guard {	270	Coro::guard {
245	# wake up all waiters, to be on the safe side	271	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	272	$_->ready for @{ delete $LOCK{$key} };
247	}	273	}
248	}	274	}
		275
		276	sub freeze_mainloop {
		277	return unless $TICK_WATCHER->is_active;
		278
		279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
		282	$TICK_WATCHER->stop;
		283	$guard
		284	}
		285
		286	=item cf::async { BLOCK }
		287
		288	Currently the same as Coro::async_pool, meaning you cannot use
		289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
		291
		292	=cut
		293
		294	BEGIN { *async = \&Coro::async_pool }
249		295
250	=item cf::sync_job { BLOCK }	296	=item cf::sync_job { BLOCK }
251		297
252	The design of crossfire+ requires that the main coro ($Coro::main) is	298	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	299	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	313	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	314	# till the operation succeeds, freezing the server :/
269		315
270	# TODO: use suspend/resume instead	316	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	317	# (but this is cancel-safe)
272	local $FREEZE = 1;	318	my $freeze_guard = freeze_mainloop;
273		319
274	my $busy = 1;	320	my $busy = 1;
275	my @res;	321	my @res;
276		322
277	(Coro::async {	323	(async {
278	@res = eval { $job->() };	324	@res = eval { $job->() };
279	warn $@ if $@;	325	warn $@ if $@;
280	undef $busy;	326	undef $busy;
281	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
282		328
283	while ($busy) {	329	while ($busy) {
284	Coro::cede_notself;	330	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	331	}
287		332
288	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
289	} else {	334	} else {
290	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
291		336
292	$job->()	337	$job->()
293	}	338	}
294	}	339	}
295		340
296	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
297		342
298	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
300		345
301	=cut	346	=cut
302		347
303	sub coro(&) {	348	sub async_ext(&) {
304	my $cb = shift;	349	my $cb = shift;
305		350
306	my $coro; $coro = async {	351	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		352
313	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
315	});	355	});
316	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
317		357
318	$coro	358	$coro
319	}	359	}
320		360
321	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
322	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
323		365
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	367	or return;
326		368
		369	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	374	and return;
330		375
		376	# always fsync - this file is important
331	aio_fsync $fh	377	aio_fsync $fh
332	and return;	378	and return;
333		379
334	close $fh	380	close $fh
335	or return;	381	or return;
…		…
341	}	387	}
342		388
343	=back	389	=back
344		390
345	=cut	391	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		392
467	#############################################################################	393	#############################################################################
468		394
469	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
470		396
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	523	our @CB_MAP = ();
598		524
599	my %attachment;	525	my %attachment;
600		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
601	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
603		535
604	use sort 'stable';	536	use sort 'stable';
605		537
…		…
776	# object support	708	# object support
777		709
778	sub reattach {	710	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		715
782	my $registry = $obj->registry;	716	my $registry = $obj->registry;
783		717
784	@$registry = ();	718	@$registry = ();
785		719
…		…
832	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
833		767
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	772	close $fh;
839		773
840	if (@$objs) {	774	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	780	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
848	}	782	}
849	} else {	783	} else {
850	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
917	=cut	851	=cut
918		852
919	sub register_extcmd {	853	sub register_extcmd {
920	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
921		855
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
926	}	857	}
927		858
928	cf::player->attach (	859	cf::player->attach (
929	on_command => sub {	860	on_command => sub {
930	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
943		874
944	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
945		876
946	if (ref $msg) {	877	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	881	}
951	}	882	}
952	} else {	883	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		886
956	cf::override;	887	cf::override;
957	},	888	},
958	);	889	);
959		890
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	891	sub load_extension {
967	my ($path) = @_;	892	my ($path) = @_;
968		893
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	895	my $base = $1;
971	my $pkg = $1;	896	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
974		899
975	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
976		901
977	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
978	or die "$path: $!";	903	or die "$path: $!";
979		904
980	my $source =	905	my $source =
981	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
984	. "\n};\n1";	909	. "\n};\n1";
985		910
986	eval $source	911	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	913	: "extension disabled.\n";
989		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	915	warn $@;
991	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
992		917	exit 1;
993	# no strict 'refs';	918	}
994	# @{"$pkg\::ISA"} = ext::;	919	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	920	}
1009		921
1010	# remove commands	922	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	923	}
1035		924
1036	sub load_extensions {	925	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	927	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1043	}	932	}
1044	}	933	}
1045		934
1046	#############################################################################	935	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		936
1084	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1085		938
1086	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1087		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1088	=head3 cf::player	947	=head3 cf::player
1089		948
1090	=over 4	949	=over 4
1091		950
1092	=item cf::player::exists $login	951	=item cf::player::find $login
1093		952
1094	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1095		954
1096	=cut	955	=cut
1097		956
1098	sub cf::player::exists($) {	957	sub playerdir($) {
1099	cf::player::find $_[0]	958	cf::localdir
1100	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])
		963	}
		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
1101	}	1127	}
1102		1128
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1130
1105	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1106		1132
1107	=cut	1133	=cut
1108		1134
1109	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1111		1137
1112	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1113		1139
1114	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1115	}	1141	}
		1142
		1143	package cf;
1116		1144
1117	=back	1145	=back
1118		1146
1119		1147
1120	=head3 cf::map	1148	=head3 cf::map
…		…
1126	package cf::map;	1154	package cf::map;
1127		1155
1128	use Fcntl;	1156	use Fcntl;
1129	use Coro::AIO;	1157	use Coro::AIO;
1130		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1131	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1133		1165
1134	sub generate_random_map {	1166	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1169	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1311	}
1152		1312
1153	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1154	# all maps in C++...	1314	# all maps in C++...
1155	sub change_all_map_light {	1315	sub change_all_map_light {
1156	my ($change) = @_;	1316	my ($change) = @_;
1157		1317
1158	$_->change_map_light ($change) for values %cf::MAP;	1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
1159	}	1320	}
1160		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1161	sub try_load_header($) {	1330	sub load_header_from($) {
1162	my ($path) = @_;	1331	my ($self, $path) = @_;
1163		1332
1164	utf8::encode $path;	1333	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1166	or return;	1338	or return;
1167		1339
1168	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1169	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1170		1386
1171	$map->load_header ($path)	1387	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1388	}
1178		1389
		1390	sub find;
1179	sub find_map {	1391	sub find {
1180	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1181		1393
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1395
1187	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1188		1397
1189	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1191		1400	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1401	or return;
1207		1402
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1404
1221	if ($map->should_reset) {	1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1411	$map->reset;
1223	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1224	}	1414	}
1225		1415
1226	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1227	}	1417	}
1228	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1229		1422
1230	sub load {	1423	sub load {
1231	my ($self) = @_;	1424	my ($self) = @_;
1232		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1233	my $path = $self->{path};	1428	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1235		1430
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1432
1238	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1239		1434
1240	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1241	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1440	or return;
1243		1441
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1443	if delete $self->{load_original};
1246		1444
1247	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1446	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1448	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1252	}	1450	}
1253	}	1451	}
		1452
		1453	Coro::cede;
1254		1454
1255	# now do the right thing for maps	1455	# now do the right thing for maps
1256	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1257		1457
1258	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1459	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1265	$self->set_darkness_map;	1463	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1268	$self->activate;	1467	$self->activate;
1269	}	1468	}
1270		1469
		1470	$self->post_load;
		1471
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1473	}
1273		1474
1274	sub load_map_sync {	1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
		1506	}
		1507
		1508	sub find_sync {
1275	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1276		1510
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1278		1513
1279	cf::sync_job {	1514	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1281	or return;	1516
		1517	cf::sync_job { $map->load };
		1518	}
		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
1282	$map->load;	1538	$map->load;
1283	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1284	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1285	}	1548	}
1286		1549
1287	sub save {	1550	sub save {
1288	my ($self) = @_;	1551	my ($self) = @_;
1289		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1290	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1291		1556
1292	return unless $self->dirty;	1557	return unless $self->dirty;
1293		1558
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1561
1297	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1298		1563
1299	return if $self->{deny_save};	1564	return if $self->{deny_save};
1300		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1301	if ($uniq) {	1572	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1575	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	1577	}
1307	}	1578	}
1308		1579
1309	sub swap_out {	1580	sub swap_out {
1310	my ($self) = @_;	1581	my ($self) = @_;
		1582
		1583	# save first because save cedes
		1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1587
1312	return if $self->players;	1588	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1590	return if $self->{deny_save};
1315		1591
1316	$self->save;
1317	$self->clear;	1592	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1594	}
1320		1595
1321	sub reset_at {	1596	sub reset_at {
1322	my ($self) = @_;	1597	my ($self) = @_;
1323		1598
1324	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1327		1602
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		1605
…		…
1335	my ($self) = @_;	1610	my ($self) = @_;
1336		1611
1337	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1338	}	1613	}
1339		1614
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1615	sub reset {
1362	my ($self) = @_;	1616	my ($self) = @_;
1363		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1364	return if $self->players;	1620	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1366		1622
1367	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1368		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1369	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1370		1638
1371	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1372		1640
1373	$self->unlink_save;	1641	$self->unlink_save;
1374	$self->destroy;	1642	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1378		1646
1379	sub nuke {	1647	sub nuke {
1380	my ($self) = @_;	1648	my ($self) = @_;
1381		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1385	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1386	}	1663	}
1387		1664
1388	sub customise_for {	1665	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1666
1391	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1393	}
1394		1669
1395	$map	1670	=cut
1396	}
1397		1671
1398	sub emergency_save {	1672	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1400		1675
1401	warn "enter emergency map save\n";	1676	my @paths;
1402		1677
1403	cf::sync_job {	1678	for (@$files) {
1404	warn "begin emergency map save\n";	1679	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1406	};	1684	}
1407		1685
1408	warn "end emergency map save\n";	1686	\@paths
1409	}	1687	}
1410		1688
1411	package cf;	1689	package cf;
1412		1690
1413	=back	1691	=back
1414		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1415		1719
1416	=head3 cf::object::player	1720	=head3 cf::object::player
1417		1721
1418	=over 4	1722	=over 4
1419		1723
…		…
1459		1763
1460	=item $player_object->enter_link	1764	=item $player_object->enter_link
1461		1765
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1767
1464	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1466		1770
		1771	Will never block.
		1772
1467	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1468		1774
1469	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1778	fails, to the emergency map position.
1473		1779
1474	Might block.	1780	Might block.
1475		1781
1476	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1477		1793
1478	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1795	my ($self) = @_;
1480		1796
1481	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1482		1798
1483	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1800
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1802	if $self->map;
1487		1803
1488	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1805	}
1490		1806
1491	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1493		1809
1494	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1495		1811
1496	unless ($map) {	1812	unless ($map) {
1497	# restore original map position	1813	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1500		1816
1501	unless ($map) {	1817	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1505	}	1821	}
1506	}	1822	}
1507		1823
1508	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1514		1830
1515	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1516		1833
		1834	return unless $self->contr->active;
1517	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1518	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1519	}	1839	}
1520		1840
1521	cf::player->attach (	1841	cf::player->attach (
1522	on_logout => sub {	1842	on_logout => sub {
…		…
1534		1854
1535	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1856	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1539	Coro::async {	1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
1540	# we need this sleep as the login has a concurrent enter_exit running	1864	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1865	# and this sleep increases chances of the player not ending up in scorn
1542	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1544	};	1868	})->prio (2);
1545	}	1869	}
1546	},	1870	},
1547	);	1871	);
1548		1872
1549	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1550		1874
1551	=cut	1875	=cut
1552		1876
1553	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1555		1879
1556	$self->enter_link;	1880	$self->enter_link;
1557		1881
1558	(Coro::async {	1882	(async {
1559	$path = new cf::path $path;	1883	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1563		1886	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568		1889
1569	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1891	})->prio (1);
1571	}	1892	}
1572		1893
…		…
1576		1897
1577	sub parse_random_map_params {	1898	sub parse_random_map_params {
1578	my ($spec) = @_;	1899	my ($spec) = @_;
1579		1900
1580	my $rmp = { # defaults	1901	my $rmp = { # defaults
1581	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1583	};	1906	};
1584		1907
1585	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1587		1910
…		…
1591	$rmp	1914	$rmp
1592	}	1915	}
1593		1916
1594	sub prepare_random_map {	1917	sub prepare_random_map {
1595	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1921
1597	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1924	# that depends on the exit object
1600		1925
1601	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1602		1927
1603	if ($exit->map) {	1928	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1608	}	1933	}
1609		1934
1610	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1611		1936
1612	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1940
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1617		1945
1618	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1947	$exit->msg (undef);
1620	}	1948	}
1621	}	1949	}
…		…
1623	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1625		1953
1626	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1627		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
1628	$self->enter_link;	1965	$self->enter_link;
1629		1966
1630	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1969	unless (eval {
1632		1970	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1971
1639	1;	1972	1;
1640	}) {	1973	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1645		1978
1646	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1980	$self->leave_link;
1648	}	1981	}
…		…
1662		1995
1663	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1664	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1665		1998
1666	utf8::encode $text;	1999	utf8::encode $text;
1667	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1668	}	2001	}
1669		2002
1670		2003
1671	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1672		2005
…		…
1699	on_reply => sub {	2032	on_reply => sub {
1700	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1701		2034
1702	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1703	# get handled first	2036	# get handled first
1704	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		2039
1706	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2042
1708	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1709		2044
1710	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2046	if (@$queue) {
…		…
1715	}	2050	}
1716	}	2051	}
1717	},	2052	},
1718	);	2053	);
1719		2054
1720	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1721		2056
1722	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2059	or loss of connection).
1725		2060
1726	=cut	2061	=cut
1727		2062
1728	sub cf::client::coro {	2063	sub cf::client::async {
1729	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1730		2065
1731	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2067
1738	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1740	});	2070	});
1741		2071
…		…
1877	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1878	using it, it should be unique.	2208	using it, it should be unique.
1879		2209
1880	=over 4	2210	=over 4
1881		2211
1882	=item $hashref = cf::db_get $family
1883
1884	Return a hashref for use by the extension C<$family>, which can be
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887
1888	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1889		2213
1890	Returns a single value from the database	2214	Returns a single value from the database.
1891
1892	=item cf::db_put $family => $hashref
1893
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896		2215
1897	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1898		2217
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909		2219
1910	=cut	2220	=cut
1911		2221
1912	our $DB;	2222	our $DB;
1913		2223
1914	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1915	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1916		2243
1917	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1918	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1919	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1920		2248
1921	my $pid;	2249	unlink $path;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}	2250	};
1931	}	2251	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});	2252	}
		2253	}
1943		2254
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}
1948
1949	sub db_get($;$) {	2255	sub db_get($$) {
1950	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1955	sub db_put($$;$) {	2266	sub db_put($$$) {
1956	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1957	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	Coro::cede;
		2296	}
		2297
		2298	while (my ($face, $info) = each %$faces) {
		2299	next unless $info->{smooth};
		2300	my $idx = cf::face::find $face
		2301	or next;
		2302	if (my $smooth = cf::face::find $info->{smooth}) {
		2303	cf::face::set_smooth $idx, $smooth;
1958	} else {	2304	} else {
1959	$DB->{$_[0]} = $_[1];	2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
1960	}
1961	db_dirty;
1962	}
1963
1964	cf::global->attach (
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	2306	}
1969	);	2307	Coro::cede;
1970	}	2308	}
1971		2309
1972	#############################################################################	2310	1
1973	# the server's main()	2311	}
		2312
		2313	sub reload_resources {
		2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2315	or die "unable to load regions file\n";#d#
		2316	load_faces
		2317	or die "unable to load faces\n";#d#
		2318	}
		2319
		2320	sub init {
		2321	reload_resources;
		2322	}
1974		2323
1975	sub cfg_load {	2324	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2325	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2326	or return;
1978		2327
1979	local $/;	2328	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2329	*CFG = YAML::Syck::Load <$fh>;
		2330
		2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2332
		2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2335
		2336	if (exists $CFG{mlockall}) {
		2337	eval {
		2338	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2339	and die "WARNING: m(un)lockall failed: $!\n";
		2340	};
		2341	warn $@ if $@;
		2342	}
1981	}	2343	}
1982		2344
1983	sub main {	2345	sub main {
1984	# we must not ever block the main coroutine	2346	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2347	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2349	(async {
1988	Event::one_event;	2350	Event::one_event;
1989	})->();	2351	})->prio (Coro::PRIO_MAX);
1990	};	2352	};
1991		2353
1992	cfg_load;	2354	cfg_load;
1993	db_load;	2355	db_init;
1994	load_extensions;	2356	load_extensions;
		2357
		2358	$TICK_WATCHER->start;
1995	Event::loop;	2359	Event::loop;
1996	}	2360	}
1997		2361
1998	#############################################################################	2362	#############################################################################
1999	# initialisation	2363	# initialisation and cleanup
		2364
		2365	# install some emergency cleanup handlers
		2366	BEGIN {
		2367	for my $signal (qw(INT HUP TERM)) {
		2368	Event->signal (
		2369	reentrant => 0,
		2370	data => WF_AUTOCANCEL,
		2371	signal => $signal,
		2372	prio => 0,
		2373	cb => sub {
		2374	cf::cleanup "SIG$signal";
		2375	},
		2376	);
		2377	}
		2378	}
		2379
		2380	sub emergency_save() {
		2381	my $freeze_guard = cf::freeze_mainloop;
		2382
		2383	warn "enter emergency perl save\n";
		2384
		2385	cf::sync_job {
		2386	# use a peculiar iteration method to avoid tripping on perl
		2387	# refcount bugs in for. also avoids problems with players
		2388	# and maps saved/destroyed asynchronously.
		2389	warn "begin emergency player save\n";
		2390	for my $login (keys %cf::PLAYER) {
		2391	my $pl = $cf::PLAYER{$login} or next;
		2392	$pl->valid or next;
		2393	$pl->save;
		2394	}
		2395	warn "end emergency player save\n";
		2396
		2397	warn "begin emergency map save\n";
		2398	for my $path (keys %cf::MAP) {
		2399	my $map = $cf::MAP{$path} or next;
		2400	$map->valid or next;
		2401	$map->save;
		2402	}
		2403	warn "end emergency map save\n";
		2404
		2405	warn "begin emergency database checkpoint\n";
		2406	BDB::db_env_txn_checkpoint $DB_ENV;
		2407	warn "end emergency database checkpoint\n";
		2408	};
		2409
		2410	warn "leave emergency perl save\n";
		2411	}
		2412
		2413	sub post_cleanup {
		2414	my ($make_core) = @_;
		2415
		2416	warn Carp::longmess "post_cleanup backtrace"
		2417	if $make_core;
		2418	}
2000		2419
2001	sub reload() {	2420	sub reload() {
2002	# can/must only be called in main	2421	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2422	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2423	warn "can only reload from main coroutine";
2005	return;	2424	return;
2006	}	2425	}
2007		2426
2008	warn "reloading...";	2427	warn "reloading...";
2009		2428
2010	local $FREEZE = 1;	2429	warn "entering sync_job";
		2430
		2431	cf::sync_job {
		2432	cf::write_runtime; # external watchdog should not bark
2011	cf::emergency_save;	2433	cf::emergency_save;
		2434	cf::write_runtime; # external watchdog should not bark
2012		2435
2013	eval {	2436	warn "syncing database to disk";
		2437	BDB::db_env_txn_checkpoint $DB_ENV;
		2438
2014	# if anything goes wrong in here, we should simply crash as we already saved	2439	# if anything goes wrong in here, we should simply crash as we already saved
2015		2440
2016	# cancel all watchers	2441	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2442	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2444	}
2020		2445
		2446	warn "flushing outstanding aio requests";
		2447	for (;;) {
		2448	BDB::flush;
		2449	IO::AIO::flush;
		2450	Coro::cede;
		2451	last unless IO::AIO::nreqs || BDB::nreqs;
		2452	warn "iterate...";
		2453	}
		2454
		2455	++$RELOAD;
		2456
2021	# cancel all extension coros	2457	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2458	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2459	%EXT_CORO = ();
2024		2460
2025	# unload all extensions	2461	warn "removing commands";
2026	for (@exts) {	2462	%COMMAND = ();
		2463
		2464	warn "removing ext commands";
		2465	%EXTCMD = ();
		2466
		2467	warn "unloading/nuking all extensions";
		2468	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2469	warn "... unloading $pkg";
2028	unload_extension $_;	2470
		2471	if (my $cb = $pkg->can ("unload")) {
		2472	eval {
		2473	$cb->($pkg);
		2474	1
		2475	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2476	}
2030		2477
		2478	warn "... nuking $pkg";
		2479	Symbol::delete_package $pkg;
		2480	}
		2481
2031	# unload all modules loaded from $LIBDIR	2482	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2483	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2485
2035	warn "removing <$k>";	2486	warn "... unloading $k";
2036	delete $INC{$k};	2487	delete $INC{$k};
2037		2488
2038	$k =~ s/\.pm$//;	2489	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2490	$k =~ s/\//::/g;
2040		2491
…		…
2043	}	2494	}
2044		2495
2045	Symbol::delete_package $k;	2496	Symbol::delete_package $k;
2046	}	2497	}
2047		2498
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2499	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2500	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2502
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2503	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2504	delete $INC{"cf.pm"};
2061		2505
2062	# don't, removes xs symbols, too,	2506	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2507	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2508	#Symbol::delete_package __PACKAGE__;
2065		2509
2066	# reload cf.pm	2510	warn "unload completed, starting to reload now";
		2511
2067	warn "reloading cf.pm";	2512	warn "reloading cf.pm";
2068	require cf;	2513	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2515
2071	# load config and database again	2516	warn "loading config and database again";
2072	cf::cfg_load;	2517	cf::cfg_load;
2073	cf::db_load;
2074		2518
2075	# load extensions
2076	warn "load extensions";	2519	warn "loading extensions";
2077	cf::load_extensions;	2520	cf::load_extensions;
2078		2521
2079	# reattach attachments to objects	2522	warn "reattaching attachments to objects/players";
2080	warn "reattach";	2523	_global_reattach; # objects, sockets
2081	_global_reattach;	2524	warn "reattaching attachments to maps";
2082	};	2525	reattach $_ for values %MAP;
		2526	warn "reattaching attachments to players";
		2527	reattach $_ for values %PLAYER;
2083		2528
2084	if ($@) {	2529	warn "loading reloadable resources";
		2530	reload_resources;
		2531
		2532	warn "leaving sync_job";
		2533
		2534	1
		2535	} or do {
2085	warn $@;	2536	warn $@;
2086	warn "error while reloading, exiting.";	2537	warn "error while reloading, exiting.";
2087	exit 1;	2538	exit 1;
2088	}	2539	};
2089		2540
2090	warn "reloaded successfully";	2541	warn "reloaded";
2091	};	2542	};
2092		2543
2093	#############################################################################	2544	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2545
2138	register_command "reload" => sub {	2546	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2547	my ($who, $arg) = @_;
2140		2548
2141	if ($who->flag (FLAG_WIZ)) {	2549	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2550	$who->message ("reloading server.");
		2551
		2552	# doing reload synchronously and two reloads happen back-to-back,
		2553	# coro crashes during coro_state_free->destroy here.
		2554
		2555	$RELOAD_WATCHER ||= Event->timer (
		2556	reentrant => 0,
		2557	after => 0,
		2558	data => WF_AUTOCANCEL,
		2559	cb => sub {
2143	reload;	2560	reload;
2144	$who->message ("end of reload.");	2561	undef $RELOAD_WATCHER;
		2562	},
		2563	);
2145	}	2564	}
2146	};	2565	};
2147		2566
2148	unshift @INC, $LIBDIR;	2567	unshift @INC, $LIBDIR;
		2568
		2569	my $bug_warning = 0;
2149		2570
2150	$TICK_WATCHER = Event->timer (	2571	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2572	reentrant => 0,
		2573	parked => 1,
2152	prio => 0,	2574	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2575	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2576	data => WF_AUTOCANCEL,
2155	cb => sub {	2577	cb => sub {
2156	unless ($FREEZE) {	2578	if ($Coro::current != $Coro::main) {
		2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2580	unless ++$bug_warning > 10;
		2581	return;
		2582	}
		2583
		2584	$NOW = Event::time;
		2585
2157	cf::server_tick; # one server iteration	2586	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2587	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2588	$NEXT_TICK += $TICK;
		2589
		2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2591	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2592	Coro::async_pool {
		2593	write_runtime
		2594	or warn "ERROR: unable to write runtime file: $!";
		2595	};
		2596	}
		2597
		2598	$WAIT_FOR_TICK->broadcast;
		2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2600
		2601	# my $AFTER = Event::time;
		2602	# warn $AFTER - $NOW;#d#
2162		2603
2163	# if we are delayed by four ticks or more, skip them all	2604	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2606
2166	$TICK_WATCHER->at ($NEXT_TICK);	2607	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2608	$TICK_WATCHER->start;
2168	},	2609	},
2169	);	2610	);
2170		2611
		2612	{
2171	IO::AIO::max_poll_time $TICK * 0.2;	2613	BDB::max_poll_time $TICK * 0.1;
2172		2614	$BDB_POLL_WATCHER = Event->io (
2173	Event->io (	2615	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2616	fd => BDB::poll_fileno,
2175	poll => 'r',	2617	poll => 'r',
2176	prio => 5,	2618	prio => 0,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2183	after => 0,	2620	cb => \&BDB::poll_cb,
2184	interval => 10,	2621	);
2185	cb => sub {	2622	BDB::min_parallel 8;
2186	(Coro::unblock_sub {	2623
2187	write_runtime	2624	BDB::set_sync_prepare {
2188	or warn "ERROR: unable to write runtime file: $!";	2625	my $status;
		2626	my $current = $Coro::current;
		2627	(
		2628	sub {
		2629	$status = $!;
		2630	$current->ready; undef $current;
		2631	},
		2632	sub {
		2633	Coro::schedule while defined $current;
		2634	$! = $status;
		2635	},
		2636	)
		2637	};
		2638
		2639	unless ($DB_ENV) {
		2640	$DB_ENV = BDB::db_env_create;
		2641
		2642	cf::sync_job {
		2643	eval {
		2644	BDB::db_env_open
		2645	$DB_ENV,
		2646	$BDB_ENV_DIR,
		2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2649	0666;
		2650
		2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2652
		2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2654	$DB_ENV->set_lk_detect;
		2655	};
		2656
		2657	cf::cleanup "db_env_open(db): $@" if $@;
2189	})->();	2658	};
2190	},	2659	}
2191	);	2660	}
		2661
		2662	{
		2663	IO::AIO::min_parallel 8;
		2664
		2665	undef $Coro::AIO::WATCHER;
		2666	IO::AIO::max_poll_time $TICK * 0.1;
		2667	$AIO_POLL_WATCHER = Event->io (
		2668	reentrant => 0,
		2669	data => WF_AUTOCANCEL,
		2670	fd => IO::AIO::poll_fileno,
		2671	poll => 'r',
		2672	prio => 6,
		2673	cb => \&IO::AIO::poll_cb,
		2674	);
		2675	}
		2676
		2677	END { cf::emergency_save }
2192		2678
2193	1	2679	1
2194		2680

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