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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
118	utf8::encode $msg;	153	utf8::encode $msg;
119		154
120	$msg .= "\n"	155	$msg .= "\n"
121	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
122		157
123	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
124	};	159	};
125	}	160	}
126		161
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		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
161	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
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177		222
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	223	=item cf::lock_wait $string
208		224
209	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
210		226
211	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
212		228
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
216	returned.	232	returned.
217		233
218	Lock names should begin with a unique identifier (for example, find_map	234	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
220		236
221	=cut	237	=cut
222		238
223	our %LOCK;	239	our %LOCK;
224		240
…		…
238	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
239	lock_wait $key;	255	lock_wait $key;
240		256
241	$LOCK{$key} = [];	257	$LOCK{$key} = [];
242		258
243	cf::guard {	259	Coro::guard {
244	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
246	}	262	}
247	}	263	}
248		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
249	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
250		276
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
253		280
254	=cut	281	=cut
255		282
256	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		284
265	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
266		286
267	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
284		304
285	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	306	# (but this is cancel-safe)
287	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
288		308
289	my $busy = 1;	309	my $busy = 1;
290	my @res;	310	my @res;
291		311
292	(Coro::async {	312	(async {
293	@res = eval { $job->() };	313	@res = eval { $job->() };
294	warn $@ if $@;	314	warn $@ if $@;
295	undef $busy;	315	undef $busy;
296	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
297		317
298	while ($busy) {	318	while ($busy) {
299	Coro::cede_notself;	319	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	320	}
302		321
303	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
304	} else {	323	} else {
305	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
306		325
307	$job->()	326	$job->()
308	}	327	}
309	}	328	}
310		329
311	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
312		331
313	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
315		334
316	=cut	335	=cut
317		336
318	sub coro(&) {	337	sub async_ext(&) {
319	my $cb = shift;	338	my $cb = shift;
320		339
321	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
322		341
323	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
325	});	344	});
326	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
327		346
328	$coro	347	$coro
329	}	348	}
330		349
331	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
332	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
333		354
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	356	or return;
336		357
		358	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	363	and return;
340		364
		365	# always fsync - this file is important
341	aio_fsync $fh	366	aio_fsync $fh
342	and return;	367	and return;
343		368
344	close $fh	369	close $fh
345	or return;	370	or return;
…		…
348	and return;	373	and return;
349		374
350	1	375	1
351	}	376	}
352		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
353	=back	389	=back
354		390
355	=cut	391	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		392
477	#############################################################################	393	#############################################################################
478		394
479	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
480		396
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	523	our @CB_MAP = ();
608		524
609	my %attachment;	525	my %attachment;
610		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
611	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
613		535
614	use sort 'stable';	536	use sort 'stable';
615		537
…		…
786	# object support	708	# object support
787		709
788	sub reattach {	710	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		715
792	my $registry = $obj->registry;	716	my $registry = $obj->registry;
793		717
794	@$registry = ();	718	@$registry = ();
795		719
…		…
842	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
843		767
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	772	close $fh;
849		773
850	if (@$objs) {	774	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	780	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
858	}	782	}
859	} else {	783	} else {
860	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
927	=cut	851	=cut
928		852
929	sub register_extcmd {	853	sub register_extcmd {
930	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
931		855
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
936	}	857	}
937		858
938	cf::player->attach (	859	cf::player->attach (
939	on_command => sub {	860	on_command => sub {
940	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
953		874
954	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
955		876
956	if (ref $msg) {	877	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	881	}
961	}	882	}
962	} else {	883	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		886
966	cf::override;	887	cf::override;
967	},	888	},
968	);	889	);
969		890
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	891	sub load_extension {
977	my ($path) = @_;	892	my ($path) = @_;
978		893
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	895	my $base = $1;
981	my $pkg = $1;	896	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
984		899
985	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
986		901
987	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
988	or die "$path: $!";	903	or die "$path: $!";
989		904
990	my $source =	905	my $source =
991	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
994	. "\n};\n1";	909	. "\n};\n1";
995		910
996	eval $source	911	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	913	: "extension disabled.\n";
999		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	915	warn $@;
1001	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1002		917	exit 1;
1003	# no strict 'refs';	918	}
1004	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	920	}
1019		921
1020	# remove commands	922	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	923	}
1045		924
1046	sub load_extensions {	925	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	927	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1053	}	932	}
1054	}	933	}
1055		934
1056	#############################################################################	935	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		936
1094	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1095		938
1096	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1097		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1098	=head3 cf::player	947	=head3 cf::player
1099		948
1100	=over 4	949	=over 4
1101		950
1102	=item cf::player::exists $login	951	=item cf::player::find $login
1103		952
1104	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1105		954
1106	=cut	955	=cut
1107		956
1108	sub cf::player::exists($) {	957	sub playerdir($) {
1109	cf::player::find $_[0]	958	cf::localdir
1110	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
1111	}	1127	}
1112		1128
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1130
1115	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1116		1132
1117	=cut	1133	=cut
1118		1134
1119	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1121		1137
1122	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1123		1139
1124	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1125	}	1141	}
		1142
		1143	package cf;
1126		1144
1127	=back	1145	=back
1128		1146
1129		1147
1130	=head3 cf::map	1148	=head3 cf::map
…		…
1136	package cf::map;	1154	package cf::map;
1137		1155
1138	use Fcntl;	1156	use Fcntl;
1139	use Coro::AIO;	1157	use Coro::AIO;
1140		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1141	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1143		1165
1144	sub generate_random_map {	1166	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1169	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1311	}
1162		1312
1163	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1164	# all maps in C++...	1314	# all maps in C++...
1165	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1167		1317
1168	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1170	}	1320	}
1171		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
1172	sub try_load_header($) {	1330	sub load_header_from($) {
1173	my ($path) = @_;	1331	my ($self, $path) = @_;
1174		1332
1175	utf8::encode $path;	1333	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1177	or return;	1338	or return;
1178		1339
1179	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
1180	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1181		1386
1182	$map->load_header ($path)	1387	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1388	}
1189		1389
1190	sub find_map;	1390	sub find;
1191	sub find_map {	1391	sub find {
1192	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1193		1393
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1395
1199	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1200		1397
1201	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1203		1400	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1401	or return;
1221		1402
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1234		1404
1235	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;
1236	$map->reset;	1411	$map->reset;
1237	undef $guard;	1412	undef $guard;
1238	$map = find_map $path	1413	return find $path;
1239	or return;
1240	}	1414	}
1241		1415
1242	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1243	}	1417	}
1244	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1245		1422
1246	sub load {	1423	sub load {
1247	my ($self) = @_;	1424	my ($self) = @_;
1248		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1249	my $path = $self->{path};	1428	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1251		1430
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1432
1254	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1255		1434
1256	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1257	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1440	or return;
1259		1441
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1443	if delete $self->{load_original};
1262		1444
1263	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1446	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1448	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1268	}	1450	}
1269	}	1451	}
		1452
		1453	Coro::cede;
1270		1454
1271	# now do the right thing for maps	1455	# now do the right thing for maps
1272	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1273		1457
1274	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1459	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1281	$self->set_darkness_map;	1463	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1284	$self->activate;	1467	$self->activate;
1285	}	1468	}
1286		1469
		1470	$self->post_load;
		1471
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1473	}
1289		1474
1290	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 {
1291	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1292		1510
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1294		1513
1295	cf::sync_job {	1514	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1297	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;
1298	$map->load;	1538	$map->load;
1299	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1300	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1301	}	1548	}
1302		1549
1303	sub save {	1550	sub save {
1304	my ($self) = @_;	1551	my ($self) = @_;
1305		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1306	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1307		1556
1308	return unless $self->dirty;	1557	return unless $self->dirty;
1309		1558
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1561
1313	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1314		1563
1315	return if $self->{deny_save};	1564	return if $self->{deny_save};
1316		1565
1317	local $self->{last_access} = $self->last_access;#d#	1566	local $self->{last_access} = $self->last_access;#d#
1318		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1319	if ($uniq) {	1572	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1575	} else {
1323	$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);
1324	}	1577	}
1325	}	1578	}
1326		1579
1327	sub swap_out {	1580	sub swap_out {
1328	my ($self) = @_;	1581	my ($self) = @_;
1329		1582
1330	# save first because save cedes	1583	# save first because save cedes
1331	$self->save;	1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1587
1333	return if $self->players;	1588	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1590	return if $self->{deny_save};
1336		1591
…		…
1340		1595
1341	sub reset_at {	1596	sub reset_at {
1342	my ($self) = @_;	1597	my ($self) = @_;
1343		1598
1344	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1347		1602
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	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;
1350		1605
…		…
1355	my ($self) = @_;	1610	my ($self) = @_;
1356		1611
1357	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1358	}	1613	}
1359		1614
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1615	sub reset {
1382	my ($self) = @_;	1616	my ($self) = @_;
1383		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1384	return if $self->players;	1620	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1386		1622
1387	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1388		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
1389	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1390		1638
1391	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1392		1640
1393	$self->unlink_save;	1641	$self->unlink_save;
1394	$self->destroy;	1642	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1398		1646
1399	sub nuke {	1647	sub nuke {
1400	my ($self) = @_;	1648	my ($self) = @_;
1401		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1405	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1406	}	1663	}
1407		1664
1408	sub customise_for {	1665	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1666
1411	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1413	}
1414		1669
1415	$map	1670	=cut
1416	}
1417		1671
1418	sub emergency_save {	1672	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1420		1675
1421	warn "enter emergency map save\n";	1676	my @paths;
1422		1677
1423	cf::sync_job {	1678	for (@$files) {
1424	warn "begin emergency map save\n";	1679	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1426	};	1684	}
1427		1685
1428	warn "end emergency map save\n";	1686	\@paths
1429	}	1687	}
1430		1688
1431	package cf;	1689	package cf;
1432		1690
1433	=back	1691	=back
1434		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
1435		1719
1436	=head3 cf::object::player	1720	=head3 cf::object::player
1437		1721
1438	=over 4	1722	=over 4
1439		1723
…		…
1479		1763
1480	=item $player_object->enter_link	1764	=item $player_object->enter_link
1481		1765
1482	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}>).
1483		1767
1484	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
1485	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1486		1770
		1771	Will never block.
		1772
1487	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1488		1774
1489	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
1490	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
1491	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
1492	to the emergency map position.	1778	fails, to the emergency map position.
1493		1779
1494	Might block.	1780	Might block.
1495		1781
1496	=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	}
1497		1793
1498	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1795	my ($self) = @_;
1500		1796
1501	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1502		1798
1503	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1800
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1802	if $self->map;
1507		1803
1508	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1805	}
1510		1806
1511	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1513		1809
1514	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1515		1811
1516	unless ($map) {	1812	unless ($map) {
1517	# restore original map position	1813	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1520		1816
1521	unless ($map) {	1817	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1525	}	1821	}
1526	}	1822	}
1527		1823
1528	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1534		1830
1535	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1536		1833
		1834	return unless $self->contr->active;
1537	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1539	}	1839	}
1540		1840
1541	cf::player->attach (	1841	cf::player->attach (
1542	on_logout => sub {	1842	on_logout => sub {
…		…
1554		1854
1555	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1856	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1559	cf::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);
1560	# 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
1561	# 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
1562	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1564	};	1868	})->prio (2);
1565	}	1869	}
1566	},	1870	},
1567	);	1871	);
1568		1872
1569	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1570		1874
1571	=cut	1875	=cut
1572		1876
1573	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1575		1879
1576	$self->enter_link;	1880	$self->enter_link;
1577		1881
1578	(cf::async {	1882	(async {
1579	$path = new cf::path $path;	1883	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1583		1886	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1585	# if $map;
1586
1587	$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);
1588		1889
1589	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1891	})->prio (1);
1591	}	1892	}
1592		1893
…		…
1596		1897
1597	sub parse_random_map_params {	1898	sub parse_random_map_params {
1598	my ($spec) = @_;	1899	my ($spec) = @_;
1599		1900
1600	my $rmp = { # defaults	1901	my $rmp = { # defaults
1601	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1603	};	1906	};
1604		1907
1605	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1607		1910
…		…
1611	$rmp	1914	$rmp
1612	}	1915	}
1613		1916
1614	sub prepare_random_map {	1917	sub prepare_random_map {
1615	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1921
1617	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1924	# that depends on the exit object
1620		1925
1621	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1622		1927
1623	if ($exit->map) {	1928	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1628	}	1933	}
1629		1934
1630	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1631		1936
1632	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1940
1635	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) {
1636	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;
1637		1945
1638	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1947	$exit->msg (undef);
1640	}	1948	}
1641	}	1949	}
…		…
1643	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1645		1953
1646	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1647		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
1648	$self->enter_link;	1965	$self->enter_link;
1649		1966
1650	(cf::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1969	unless (eval {
1652	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1971
1658	1;	1972	1;
1659	}) {	1973	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1978
1665	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1980	$self->leave_link;
1667	}	1981	}
…		…
1681		1995
1682	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1684		1998
1685	utf8::encode $text;	1999	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2001	}
1688		2002
1689		2003
1690	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1691		2005
…		…
1722	# get handled first	2036	# get handled first
1723	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2039
1726	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2042
1728	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1729		2044
1730	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2046	if (@$queue) {
…		…
1735	}	2050	}
1736	}	2051	}
1737	},	2052	},
1738	);	2053	);
1739		2054
1740	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1741		2056
1742	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1743	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,
1744	or loss of connection).	2059	or loss of connection).
1745		2060
1746	=cut	2061	=cut
1747		2062
1748	sub cf::client::coro {	2063	sub cf::client::async {
1749	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1750		2065
1751	my $coro = &cf::async ($cb);	2066	my $coro = &Coro::async ($cb);
1752		2067
1753	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1755	});	2070	});
1756		2071
…		…
1789		2104
1790	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
1791		2106
1792	=pod	2107	=pod
1793		2108
1794	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
1795		2110
1796	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2112	cf::object::player player
1798	cf::player peaceful	2113	cf::player peaceful
1799	cf::map trigger	2114	cf::map trigger
…		…
1892	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
1893	using it, it should be unique.	2208	using it, it should be unique.
1894		2209
1895	=over 4	2210	=over 4
1896		2211
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1904		2213
1905	Returns a single value from the database	2214	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2215
1912	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1913		2217
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2219
1925	=cut	2220	=cut
1926		2221
1927	our $DB;	2222	our $DB;
1928		2223
1929	{	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
1930	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;
1931		2243
1932	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2248
1936	my $pid;	2249	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2250	};
1946	}	2251	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});	2252	}
		2253	}
1958		2254
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {	2255	sub db_get($$) {
1965	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1970	sub db_put($$;$) {	2266	sub db_put($$$) {
1971	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1972	$DB->{$_[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_facedata {
		2275	my $path = sprintf "%s/facedata", cf::datadir;
		2276
		2277	warn "loading facedata 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	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2296	Coro::cede;
		2297	}
		2298
		2299	while (my ($face, $info) = each %$faces) {
		2300	next unless $info->{smooth};
		2301	my $idx = cf::face::find $face
		2302	or next;
		2303	if (my $smooth = cf::face::find $info->{smooth}) {
		2304	cf::face::set_smooth $idx, $smooth;
1973	} else {	2305	} else {
1974	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2307	}
1984	);	2308	Coro::cede;
1985	}	2309	}
1986		2310
1987	#############################################################################	2311	1
1988	# the server's main()	2312	}
		2313
		2314	sub reload_resources {
		2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2316	or die "unable to load regions file\n";#d#
		2317	load_facedata
		2318	or die "unable to load facedata\n";#d#
		2319	}
		2320
		2321	sub init {
		2322	reload_resources;
		2323	}
1989		2324
1990	sub cfg_load {	2325	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2327	or return;
1993		2328
1994	local $/;	2329	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2330	*CFG = YAML::Syck::Load <$fh>;
1996		2331
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2333
		2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2336
1999	if (exists $CFG{mlockall}) {	2337	if (exists $CFG{mlockall}) {
2000	eval {	2338	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2340	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2341	};
2004	warn $@ if $@;	2342	warn $@ if $@;
2005	}	2343	}
2006	}	2344	}
2007		2345
2008	sub main {	2346	sub main {
2009	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2350	(async {
2013	Event::one_event;	2351	Event::one_event;
2014	})->();	2352	})->prio (Coro::PRIO_MAX);
2015	};	2353	};
2016		2354
2017	cfg_load;	2355	cfg_load;
2018	db_load;	2356	db_init;
2019	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2020	Event::loop;	2360	Event::loop;
2021	}	2361	}
2022		2362
2023	#############################################################################	2363	#############################################################################
2024	# initialisation	2364	# initialisation and cleanup
		2365
		2366	# install some emergency cleanup handlers
		2367	BEGIN {
		2368	for my $signal (qw(INT HUP TERM)) {
		2369	Event->signal (
		2370	reentrant => 0,
		2371	data => WF_AUTOCANCEL,
		2372	signal => $signal,
		2373	prio => 0,
		2374	cb => sub {
		2375	cf::cleanup "SIG$signal";
		2376	},
		2377	);
		2378	}
		2379	}
		2380
		2381	sub emergency_save() {
		2382	my $freeze_guard = cf::freeze_mainloop;
		2383
		2384	warn "enter emergency perl save\n";
		2385
		2386	cf::sync_job {
		2387	# use a peculiar iteration method to avoid tripping on perl
		2388	# refcount bugs in for. also avoids problems with players
		2389	# and maps saved/destroyed asynchronously.
		2390	warn "begin emergency player save\n";
		2391	for my $login (keys %cf::PLAYER) {
		2392	my $pl = $cf::PLAYER{$login} or next;
		2393	$pl->valid or next;
		2394	$pl->save;
		2395	}
		2396	warn "end emergency player save\n";
		2397
		2398	warn "begin emergency map save\n";
		2399	for my $path (keys %cf::MAP) {
		2400	my $map = $cf::MAP{$path} or next;
		2401	$map->valid or next;
		2402	$map->save;
		2403	}
		2404	warn "end emergency map save\n";
		2405
		2406	warn "begin emergency database checkpoint\n";
		2407	BDB::db_env_txn_checkpoint $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
		2409	};
		2410
		2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
		2419	}
2025		2420
2026	sub reload() {	2421	sub reload() {
2027	# can/must only be called in main	2422	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2030	return;	2425	return;
2031	}	2426	}
2032		2427
2033	warn "reloading...";	2428	warn "reloading...";
2034		2429
2035	local $FREEZE = 1;	2430	warn "entering sync_job";
		2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2037		2436
2038	eval {	2437	warn "syncing database to disk";
		2438	BDB::db_env_txn_checkpoint $DB_ENV;
		2439
2039	# if anything goes wrong in here, we should simply crash as we already saved	2440	# if anything goes wrong in here, we should simply crash as we already saved
2040		2441
2041	# cancel all watchers	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2445	}
2045		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2046	# cancel all extension coros	2458	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2460	%EXT_CORO = ();
2049		2461
2050	# unload all extensions	2462	warn "removing commands";
2051	for (@exts) {	2463	%COMMAND = ();
		2464
		2465	warn "removing ext commands";
		2466	%EXTCMD = ();
		2467
		2468	warn "unloading/nuking all extensions";
		2469	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2470	warn "... unloading $pkg";
2053	unload_extension $_;	2471
		2472	if (my $cb = $pkg->can ("unload")) {
		2473	eval {
		2474	$cb->($pkg);
		2475	1
		2476	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2477	}
2055		2478
		2479	warn "... nuking $pkg";
		2480	Symbol::delete_package $pkg;
		2481	}
		2482
2056	# unload all modules loaded from $LIBDIR	2483	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2486
2060	warn "removing <$k>";	2487	warn "... unloading $k";
2061	delete $INC{$k};	2488	delete $INC{$k};
2062		2489
2063	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2065		2492
…		…
2068	}	2495	}
2069		2496
2070	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2071	}	2498	}
2072		2499
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2500	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2503
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2504	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2086		2506
2087	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2508	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2090		2510
2091	# reload cf.pm	2511	warn "unload completed, starting to reload now";
		2512
2092	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2093	require cf;	2514	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2516
2096	# load config and database again	2517	warn "loading config and database again";
2097	cf::cfg_load;	2518	cf::cfg_load;
2098	cf::db_load;
2099		2519
2100	# load extensions
2101	warn "load extensions";	2520	warn "loading extensions";
2102	cf::load_extensions;	2521	cf::load_extensions;
2103		2522
2104	# reattach attachments to objects	2523	warn "reattaching attachments to objects/players";
2105	warn "reattach";	2524	_global_reattach; # objects, sockets
2106	_global_reattach;	2525	warn "reattaching attachments to maps";
2107	};	2526	reattach $_ for values %MAP;
		2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2108		2529
2109	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2110	warn $@;	2537	warn $@;
2111	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2112	exit 1;	2539	exit 1;
2113	}	2540	};
2114		2541
2115	warn "reloaded successfully";	2542	warn "reloaded";
2116	};	2543	};
2117		2544
2118	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2546
2163	register_command "reload" => sub {	2547	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2165		2549
2166	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2551	$who->message ("reloading server.");
		2552
		2553	# doing reload synchronously and two reloads happen back-to-back,
		2554	# coro crashes during coro_state_free->destroy here.
		2555
		2556	$RELOAD_WATCHER ||= Event->timer (
		2557	reentrant => 0,
		2558	after => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => sub {
2168	reload;	2561	reload;
2169	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2170	}	2565	}
2171	};	2566	};
2172		2567
2173	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2174		2571
2175	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2177	prio => 0,	2575	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2180	cb => sub {	2578	cb => sub {
2181	unless ($FREEZE) {	2579	if ($Coro::current != $Coro::main) {
		2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2581	unless ++$bug_warning > 10;
		2582	return;
		2583	}
		2584
		2585	$NOW = Event::time;
		2586
2182	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
		2590
		2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2592	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2593	Coro::async_pool {
		2594	write_runtime
		2595	or warn "ERROR: unable to write runtime file: $!";
		2596	};
		2597	}
		2598
		2599	$WAIT_FOR_TICK->broadcast;
		2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2601
		2602	# my $AFTER = Event::time;
		2603	# warn $AFTER - $NOW;#d#
2187		2604
2188	# if we are delayed by four ticks or more, skip them all	2605	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2607
2191	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2193	},	2610	},
2194	);	2611	);
2195		2612
		2613	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2197		2615	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2616	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2200	poll => 'r',	2618	poll => 'r',
2201	prio => 5,	2619	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2208	after => 0,	2621	cb => \&BDB::poll_cb,
2209	interval => 10,	2622	);
2210	cb => sub {	2623	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2624
2212	write_runtime	2625	BDB::set_sync_prepare {
2213	or warn "ERROR: unable to write runtime file: $!";	2626	my $status;
		2627	my $current = $Coro::current;
		2628	(
		2629	sub {
		2630	$status = $!;
		2631	$current->ready; undef $current;
		2632	},
		2633	sub {
		2634	Coro::schedule while defined $current;
		2635	$! = $status;
		2636	},
		2637	)
		2638	};
		2639
		2640	unless ($DB_ENV) {
		2641	$DB_ENV = BDB::db_env_create;
		2642
		2643	cf::sync_job {
		2644	eval {
		2645	BDB::db_env_open
		2646	$DB_ENV,
		2647	$BDB_ENV_DIR,
		2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2650	0666;
		2651
		2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2653
		2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2655	$DB_ENV->set_lk_detect;
		2656	};
		2657
		2658	cf::cleanup "db_env_open(db): $@" if $@;
2214	})->();	2659	};
2215	},	2660	}
2216	);	2661	}
		2662
		2663	{
		2664	IO::AIO::min_parallel 8;
		2665
		2666	undef $Coro::AIO::WATCHER;
		2667	IO::AIO::max_poll_time $TICK * 0.1;
		2668	$AIO_POLL_WATCHER = Event->io (
		2669	reentrant => 0,
		2670	data => WF_AUTOCANCEL,
		2671	fd => IO::AIO::poll_fileno,
		2672	poll => 'r',
		2673	prio => 6,
		2674	cb => \&IO::AIO::poll_cb,
		2675	);
		2676	}
2217		2677
2218	END { cf::emergency_save }	2678	END { cf::emergency_save }
2219		2679
2220	1	2680	1
2221		2681

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