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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
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	223	=item cf::lock_wait $string
209		224
210	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
211		226
212	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
213		228
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
217	returned.	232	returned.
218		233
219	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
220	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
221		236
222	=cut	237	=cut
223		238
224	our %LOCK;	239	our %LOCK;
225		240
…		…
239	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
240	lock_wait $key;	255	lock_wait $key;
241		256
242	$LOCK{$key} = [];	257	$LOCK{$key} = [];
243		258
244	cf::guard {	259	Coro::guard {
245	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
247	}	262	}
248	}	263	}
249		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	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
349	and return;	373	and return;
350		374
351	1	375	1
352	}	376	}
353		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
354	=back	389	=back
355		390
356	=cut	391	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		392
478	#############################################################################	393	#############################################################################
479		394
480	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
481		396
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	523	our @CB_MAP = ();
609		524
610	my %attachment;	525	my %attachment;
611		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
612	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
614		535
615	use sort 'stable';	536	use sort 'stable';
616		537
…		…
787	# object support	708	# object support
788		709
789	sub reattach {	710	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		715
793	my $registry = $obj->registry;	716	my $registry = $obj->registry;
794		717
795	@$registry = ();	718	@$registry = ();
796		719
…		…
843	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
844		767
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	772	close $fh;
850		773
851	if (@$objs) {	774	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	780	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
859	}	782	}
860	} else {	783	} else {
861	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
928	=cut	851	=cut
929		852
930	sub register_extcmd {	853	sub register_extcmd {
931	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
932		855
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
937	}	857	}
938		858
939	cf::player->attach (	859	cf::player->attach (
940	on_command => sub {	860	on_command => sub {
941	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
954		874
955	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
956		876
957	if (ref $msg) {	877	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	881	}
962	}	882	}
963	} else {	883	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		886
967	cf::override;	887	cf::override;
968	},	888	},
969	);	889	);
970		890
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	891	sub load_extension {
978	my ($path) = @_;	892	my ($path) = @_;
979		893
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	895	my $base = $1;
982	my $pkg = $1;	896	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
985		899
986	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
987		901
988	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
989	or die "$path: $!";	903	or die "$path: $!";
990		904
991	my $source =	905	my $source =
992	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
995	. "\n};\n1";	909	. "\n};\n1";
996		910
997	eval $source	911	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	913	: "extension disabled.\n";
1000		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	915	warn $@;
1002	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1003		917	exit 1;
1004	# no strict 'refs';	918	}
1005	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	920	}
1020		921
1021	# remove commands	922	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	923	}
1046		924
1047	sub load_extensions {	925	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	927	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1054	}	932	}
1055	}	933	}
1056		934
1057	#############################################################################	935	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		936
1095	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1096		938
1097	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1098		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1099	=head3 cf::player	947	=head3 cf::player
1100		948
1101	=over 4	949	=over 4
1102		950
1103	=item cf::player::exists $login	951	=item cf::player::find $login
1104		952
1105	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1106		954
1107	=cut	955	=cut
1108		956
1109	sub cf::player::exists($) {	957	sub playerdir($) {
1110	cf::player::find $_[0]	958	cf::localdir
1111	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])
1112	}	963	}
1113		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1115		1130
1116	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1117		1132
1118	=cut	1133	=cut
1119		1134
1120	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1121	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1122		1137
1123	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1124		1139
1125	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1126	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
1127		1156
1128	=back	1157	=back
1129		1158
1130		1159
1131	=head3 cf::map	1160	=head3 cf::map
…		…
1137	package cf::map;	1166	package cf::map;
1138		1167
1139	use Fcntl;	1168	use Fcntl;
1140	use Coro::AIO;	1169	use Coro::AIO;
1141		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1142	our $MAX_RESET = 7200;	1175	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1176	our $DEFAULT_RESET = 3000;
1144		1177
1145	sub generate_random_map {	1178	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1181	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1323	}
1163		1324
1164	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1165	# all maps in C++...	1326	# all maps in C++...
1166	sub change_all_map_light {	1327	sub change_all_map_light {
…		…
1168		1329
1169	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1171	}	1332	}
1172		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1173	sub try_load_header($) {	1342	sub load_header_from($) {
1174	my ($path) = @_;	1343	my ($self, $path) = @_;
1175		1344
1176	utf8::encode $path;	1345	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1178	or return;	1350	or return;
1179		1351
1180	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1181	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1182		1398
1183	$map->load_header ($path)	1399	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1400	}
1190		1401
1191	sub find_map;	1402	sub find;
1192	sub find_map {	1403	sub find {
1193	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1194		1405
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1407
1200	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1201		1409
1202	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1204		1412	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1413	or return;
1220		1414
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1415	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1416
1234	if ($map->should_reset) {	1417	$map->load_header
		1418	or return;
		1419
		1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1423	$map->reset;
1236	undef $guard;	1424	undef $guard;
1237	$map = find_map $path	1425	return find $path;
1238	or return;
1239	}	1426	}
1240		1427
1241	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1242	}	1429	}
1243	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1244		1434
1245	sub load {	1435	sub load {
1246	my ($self) = @_;	1436	my ($self) = @_;
1247		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1248	my $path = $self->{path};	1440	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1250		1442
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1444
1253	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1254		1446
1255	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1256	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1452	or return;
1258		1453
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1455	if delete $self->{load_original};
1261		1456
1262	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1458	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1460	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1267	}	1462	}
1268	}	1463	}
		1464
		1465	Coro::cede;
1269		1466
1270	# now do the right thing for maps	1467	# now do the right thing for maps
1271	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1272		1469
1273	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1471	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1280	$self->set_darkness_map;	1475	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1283	$self->activate;	1479	$self->activate;
1284	}	1480	}
1285		1481
		1482	$self->post_load;
		1483
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1485	}
1288		1486
1289	sub load_map_sync {	1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
		1518	}
		1519
		1520	sub find_sync {
1290	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1291		1522
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1523	cf::sync_job { find $path, $origin }
		1524	}
1293		1525
1294	cf::sync_job {	1526	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1527	my ($map) = @_;
1296	or return;	1528
		1529	cf::sync_job { $map->load };
		1530	}
		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
1297	$map->load;	1550	$map->load;
1298	$map	1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
1299	}	1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
1300	}	1560	}
1301		1561
1302	sub save {	1562	sub save {
1303	my ($self) = @_;	1563	my ($self) = @_;
1304		1564
		1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1566
1305	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1306		1568
1307	return unless $self->dirty;	1569	return unless $self->dirty;
1308		1570
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1573
1312	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1313		1575
1314	return if $self->{deny_save};	1576	return if $self->{deny_save};
1315		1577
		1578	local $self->{last_access} = $self->last_access;#d#
		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
1316	if ($uniq) {	1584	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1587	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1589	}
1322	}	1590	}
1323		1591
1324	sub swap_out {	1592	sub swap_out {
1325	my ($self) = @_;	1593	my ($self) = @_;
		1594
		1595	# save first because save cedes
		1596	$self->save;
		1597
		1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1599
1327	return if $self->players;	1600	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1602	return if $self->{deny_save};
1330		1603
1331	$self->save;
1332	$self->clear;	1604	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1605	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1606	}
1335		1607
1336	sub reset_at {	1608	sub reset_at {
1337	my ($self) = @_;	1609	my ($self) = @_;
1338		1610
1339	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1342		1614
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1617
…		…
1350	my ($self) = @_;	1622	my ($self) = @_;
1351		1623
1352	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1353	}	1625	}
1354		1626
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1627	sub reset {
1377	my ($self) = @_;	1628	my ($self) = @_;
1378		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
1379	return if $self->players;	1632	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1381		1634
1382	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1383		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1384	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1385		1650
1386	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1387		1652
1388	$self->unlink_save;	1653	$self->unlink_save;
1389	$self->destroy;	1654	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1393		1658
1394	sub nuke {	1659	sub nuke {
1395	my ($self) = @_;	1660	my ($self) = @_;
1396		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1400	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1401	}	1675	}
1402		1676
1403	sub customise_for {	1677	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1678
1406	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1408	}
1409		1681
1410	$map	1682	=cut
1411	}
1412		1683
1413	sub emergency_save {	1684	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1415		1687
1416	warn "enter emergency map save\n";	1688	my @paths;
1417		1689
1418	cf::sync_job {	1690	for (@$files) {
1419	warn "begin emergency map save\n";	1691	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1421	};	1696	}
1422		1697
1423	warn "end emergency map save\n";	1698	\@paths
1424	}	1699	}
1425		1700
1426	package cf;	1701	package cf;
1427		1702
1428	=back	1703	=back
1429		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1430		1731
1431	=head3 cf::object::player	1732	=head3 cf::object::player
1432		1733
1433	=over 4	1734	=over 4
1434		1735
…		…
1474		1775
1475	=item $player_object->enter_link	1776	=item $player_object->enter_link
1476		1777
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1779
1479	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1481		1782
		1783	Will never block.
		1784
1482	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1483		1786
1484	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1790	fails, to the emergency map position.
1488		1791
1489	Might block.	1792	Might block.
1490		1793
1491	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1492		1805
1493	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1807	my ($self) = @_;
1495		1808
1496	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1497		1810
1498	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1812
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1814	if $self->map;
1502		1815
1503	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1817	}
1505		1818
1506	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1508		1821
1509	my $link_pos = delete $self->{_link_pos};	1822	my $link_pos = delete $self->{_link_pos};
1510		1823
1511	unless ($map) {	1824	unless ($map) {
1512	# restore original map position	1825	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1826	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1827	$map = cf::map::find $map;
1515		1828
1516	unless ($map) {	1829	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1830	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1831	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1832	or die "FATAL: cannot load emergency map\n";
1520	}	1833	}
1521	}	1834	}
1522		1835
1523	($x, $y) = (-1, -1)	1836	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1529		1842
1530	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1531		1845
		1846	return unless $self->contr->active;
1532	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1534	}	1851	}
1535		1852
1536	cf::player->attach (	1853	cf::player->attach (
1537	on_logout => sub {	1854	on_logout => sub {
…		…
1549		1866
1550	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1868	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1554	cf::async {	1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
1555	# we need this sleep as the login has a concurrent enter_exit running	1876	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1877	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1559	};	1880	})->prio (2);
1560	}	1881	}
1561	},	1882	},
1562	);	1883	);
1563		1884
1564	=item $player_object->goto_map ($path, $x, $y)	1885	=item $player_object->goto ($path, $x, $y)
1565		1886
1566	=cut	1887	=cut
1567		1888
1568	sub cf::object::player::goto_map {	1889	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1570		1891
1571	$self->enter_link;	1892	$self->enter_link;
1572		1893
1573	(cf::async {	1894	(async {
1574	$path = new cf::path $path;	1895	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1896	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1578		1898	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1901
1584	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1903	})->prio (1);
1586	}	1904	}
1587		1905
…		…
1591		1909
1592	sub parse_random_map_params {	1910	sub parse_random_map_params {
1593	my ($spec) = @_;	1911	my ($spec) = @_;
1594		1912
1595	my $rmp = { # defaults	1913	my $rmp = { # defaults
1596	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1598	};	1918	};
1599		1919
1600	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1602		1922
…		…
1606	$rmp	1926	$rmp
1607	}	1927	}
1608		1928
1609	sub prepare_random_map {	1929	sub prepare_random_map {
1610	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1933
1612	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1936	# that depends on the exit object
1615		1937
1616	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1617		1939
1618	if ($exit->map) {	1940	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1623	}	1945	}
1624		1946
1625	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1626		1948
1627	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1952
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1632		1957
1633	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1959	$exit->msg (undef);
1635	}	1960	}
1636	}	1961	}
…		…
1638	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1640		1965
1641	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1642		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
		1978
1643	$self->enter_link;	1979	$self->enter_link;
1644		1980
1645	(cf::async {	1981	(async {
		1982	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1983	unless (eval {
1647	prepare_random_map $exit	1984	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1985
1653	1;	1986	1;
1654	}) {	1987	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1990	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1992
1660	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1994	$self->leave_link;
1662	}	1995	}
1663	})->prio (1);	1996	})->prio (1);
…		…
1676		2009
1677	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1679		2012
1680	utf8::encode $text;	2013	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2015	}
1683		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1684		2029
1685	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1686		2031
1687	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1688	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	my ($ns, $msg) = @_;	2059	my ($ns, $msg) = @_;
1715		2060
1716	# this weird shuffling is so that direct followup queries	2061	# this weird shuffling is so that direct followup queries
1717	# get handled first	2062	# get handled first
1718	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2065
1721	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2068
1723	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1724		2070
1725	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2072	if (@$queue) {
…		…
1730	}	2076	}
1731	}	2077	}
1732	},	2078	},
1733	);	2079	);
1734		2080
1735	=item $client->coro (\&cb)	2081	=item $client->async (\&cb)
1736		2082
1737	Create a new coroutine, running the specified callback. The coroutine will	2083	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2084	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2085	or loss of connection).
1740		2086
1741	=cut	2087	=cut
1742		2088
1743	sub cf::client::coro {	2089	sub cf::client::async {
1744	my ($self, $cb) = @_;	2090	my ($self, $cb) = @_;
1745		2091
1746	my $coro = &cf::async ($cb);	2092	my $coro = &Coro::async ($cb);
1747		2093
1748	$coro->on_destroy (sub {	2094	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2095	delete $self->{_coro}{$coro+0};
1750	});	2096	});
1751		2097
…		…
1784		2130
1785	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
1786		2132
1787	=pod	2133	=pod
1788		2134
1789	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
1790		2136
1791	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
1792	cf::object::player player	2138	cf::object::player player
1793	cf::player peaceful	2139	cf::player peaceful
1794	cf::map trigger	2140	cf::map trigger
…		…
1887	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
1888	using it, it should be unique.	2234	using it, it should be unique.
1889		2235
1890	=over 4	2236	=over 4
1891		2237
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2238	=item $value = cf::db_get $family => $key
1899		2239
1900	Returns a single value from the database	2240	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2241
1907	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
1908		2243
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2245
1920	=cut	2246	=cut
1921		2247
1922	our $DB;	2248	our $DB;
1923		2249
1924	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
1925	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
1926		2269
1927	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2274
1931	my $pid;	2275	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2276	};
1941	}	2277	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2278	}
		2279	}
1953		2280
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {	2281	sub db_get($$) {
1960	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
1965	sub db_put($$;$) {	2292	sub db_put($$$) {
1966	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
1967	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
1968	} else {	2331	} else {
1969	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$info->{smooth}' not found for face '$face'";
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2333	}
1979	);	2334	Coro::cede;
1980	}	2335	}
1981		2336
1982	#############################################################################	2337	1
1983	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
1984		2350
1985	sub cfg_load {	2351	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2353	or return;
1988		2354
1989	local $/;	2355	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2356	*CFG = YAML::Syck::Load <$fh>;
		2357
		2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2359
		2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2362
		2363	if (exists $CFG{mlockall}) {
		2364	eval {
		2365	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2366	and die "WARNING: m(un)lockall failed: $!\n";
		2367	};
		2368	warn $@ if $@;
		2369	}
1991	}	2370	}
1992		2371
1993	sub main {	2372	sub main {
1994	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	2376	(async {
1998	Event::one_event;	2377	Event::one_event;
1999	})->();	2378	})->prio (Coro::PRIO_MAX);
2000	};	2379	};
2001		2380
2002	cfg_load;	2381	cfg_load;
2003	db_load;	2382	db_init;
2004	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
2005	Event::loop;	2386	Event::loop;
2006	}	2387	}
2007		2388
2008	#############################################################################	2389	#############################################################################
2009	# initialisation	2390	# initialisation and cleanup
		2391
		2392	# install some emergency cleanup handlers
		2393	BEGIN {
		2394	for my $signal (qw(INT HUP TERM)) {
		2395	Event->signal (
		2396	reentrant => 0,
		2397	data => WF_AUTOCANCEL,
		2398	signal => $signal,
		2399	prio => 0,
		2400	cb => sub {
		2401	cf::cleanup "SIG$signal";
		2402	},
		2403	);
		2404	}
		2405	}
		2406
		2407	sub emergency_save() {
		2408	my $freeze_guard = cf::freeze_mainloop;
		2409
		2410	warn "enter emergency perl save\n";
		2411
		2412	cf::sync_job {
		2413	# use a peculiar iteration method to avoid tripping on perl
		2414	# refcount bugs in for. also avoids problems with players
		2415	# and maps saved/destroyed asynchronously.
		2416	warn "begin emergency player save\n";
		2417	for my $login (keys %cf::PLAYER) {
		2418	my $pl = $cf::PLAYER{$login} or next;
		2419	$pl->valid or next;
		2420	$pl->save;
		2421	}
		2422	warn "end emergency player save\n";
		2423
		2424	warn "begin emergency map save\n";
		2425	for my $path (keys %cf::MAP) {
		2426	my $map = $cf::MAP{$path} or next;
		2427	$map->valid or next;
		2428	$map->save;
		2429	}
		2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
		2435	};
		2436
		2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
		2445	}
2010		2446
2011	sub reload() {	2447	sub reload() {
2012	# can/must only be called in main	2448	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
2015	return;	2451	return;
2016	}	2452	}
2017		2453
2018	warn "reloading...";	2454	warn "reloading...";
2019		2455
2020	local $FREEZE = 1;	2456	warn "entering sync_job";
		2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2022		2462
2023	eval {	2463	warn "syncing database to disk";
		2464	BDB::db_env_txn_checkpoint $DB_ENV;
		2465
2024	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
2025		2467
2026	# cancel all watchers	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2471	}
2030		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
2031	# cancel all extension coros	2484	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2486	%EXT_CORO = ();
2034		2487
2035	# unload all extensions	2488	warn "removing commands";
2036	for (@exts) {	2489	%COMMAND = ();
		2490
		2491	warn "removing ext commands";
		2492	%EXTCMD = ();
		2493
		2494	warn "unloading/nuking all extensions";
		2495	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2496	warn "... unloading $pkg";
2038	unload_extension $_;	2497
		2498	if (my $cb = $pkg->can ("unload")) {
		2499	eval {
		2500	$cb->($pkg);
		2501	1
		2502	} or warn "$pkg unloaded, but with errors: $@";
2039	}	2503	}
2040		2504
		2505	warn "... nuking $pkg";
		2506	Symbol::delete_package $pkg;
		2507	}
		2508
2041	# unload all modules loaded from $LIBDIR	2509	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2512
2045	warn "removing <$k>";	2513	warn "... unloading $k";
2046	delete $INC{$k};	2514	delete $INC{$k};
2047		2515
2048	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
2050		2518
…		…
2053	}	2521	}
2054		2522
2055	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
2056	}	2524	}
2057		2525
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2526	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		2529
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2530	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
2071		2532
2072	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2534	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
2075		2536
2076	# reload cf.pm	2537	warn "unload completed, starting to reload now";
		2538
2077	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
2078	require cf;	2540	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2542
2081	# load config and database again	2543	warn "loading config and database again";
2082	cf::cfg_load;	2544	cf::cfg_load;
2083	cf::db_load;
2084		2545
2085	# load extensions
2086	warn "load extensions";	2546	warn "loading extensions";
2087	cf::load_extensions;	2547	cf::load_extensions;
2088		2548
2089	# reattach attachments to objects	2549	warn "reattaching attachments to objects/players";
2090	warn "reattach";	2550	_global_reattach; # objects, sockets
2091	_global_reattach;	2551	warn "reattaching attachments to maps";
2092	};	2552	reattach $_ for values %MAP;
		2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2093		2555
2094	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
2095	warn $@;	2563	warn $@;
2096	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2097	exit 1;	2565	exit 1;
2098	}	2566	};
2099		2567
2100	warn "reloaded successfully";	2568	warn "reloaded";
2101	};	2569	};
2102		2570
2103	#############################################################################	2571	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2572
2148	register_command "reload" => sub {	2573	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2150		2575
2151	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2153	reload;	2587	reload;
2154	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2155	}	2591	}
2156	};	2592	};
2157		2593
2158	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2159		2597
2160	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2162	prio => 0,	2601	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2165	cb => sub {	2604	cb => sub {
2166	unless ($FREEZE) {	2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
		2611	$NOW = Event::time;
		2612
2167	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2169	}
2170
2171	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
		2625	$WAIT_FOR_TICK->broadcast;
		2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2172		2630
2173	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2633
2176	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2178	},	2636	},
2179	);	2637	);
2180		2638
		2639	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2182		2641	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	2642	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2185	poll => 'r',	2644	poll => 'r',
2186	prio => 5,	2645	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2193	after => 0,	2647	cb => \&BDB::poll_cb,
2194	interval => 10,	2648	);
2195	cb => sub {	2649	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	2650
2197	write_runtime	2651	BDB::set_sync_prepare {
2198	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2199	})->();	2685	};
2200	},	2686	}
2201	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
2202		2703
2203	END { cf::emergency_save }	2704	END { cf::emergency_save }
2204		2705
2205	1	2706	1
2206		2707

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