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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.234 by root, Thu Apr 5 13:44:31 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) . "/playerdata"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1115		1137
1116	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1117		1139
1118	=cut	1140	=cut
1119		1141
1120	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1121	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1122		1144
1123	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1124		1146
1125	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1126	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1127		1163
1128	=back	1164	=back
1129		1165
1130		1166
1131	=head3 cf::map	1167	=head3 cf::map
…		…
1137	package cf::map;	1173	package cf::map;
1138		1174
1139	use Fcntl;	1175	use Fcntl;
1140	use Coro::AIO;	1176	use Coro::AIO;
1141		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1142	our $MAX_RESET = 7200;	1182	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1183	our $DEFAULT_RESET = 3000;
1144		1184
1145	sub generate_random_map {	1185	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1188	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1330	}
1163		1331
1164	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1165	# all maps in C++...	1333	# all maps in C++...
1166	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1168		1336
1169	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1171	}	1339	}
1172		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1173	sub try_load_header($) {	1349	sub load_header_from($) {
1174	my ($path) = @_;	1350	my ($self, $path) = @_;
1175		1351
1176	utf8::encode $path;	1352	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1178	or return;	1357	or return;
1179		1358
1180	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1181	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1182		1405
1183	$map->load_header ($path)	1406	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1407	}
1190		1408
1191	sub find_map;	1409	sub find;
1192	sub find_map {	1410	sub find {
1193	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1194		1412
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1414
1200	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1201		1416
1202	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1204		1419	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;	1420	or return;
1220		1421
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;	1422	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1423
1234	if ($map->should_reset) {	1424	$map->load_header
		1425	or return;
		1426
		1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1430	$map->reset;
1236	undef $guard;	1431	undef $guard;
1237	$map = find_map $path	1432	return find $path;
1238	or return;
1239	}	1433	}
1240		1434
1241	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1242	}	1436	}
1243	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1244		1441
1245	sub load {	1442	sub load {
1246	my ($self) = @_;	1443	my ($self) = @_;
1247		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1248	my $path = $self->{path};	1447	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1250		1449
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1451
1253	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1254		1453
1255	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1256	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1459	or return;
1258		1460
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1462	if delete $self->{load_original};
1261		1463
1262	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1465	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1467	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1267	}	1469	}
1268	}	1470	}
		1471
		1472	Coro::cede;
1269		1473
1270	# now do the right thing for maps	1474	# now do the right thing for maps
1271	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1272		1476
1273	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1478	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1280	$self->set_darkness_map;	1482	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1283	$self->activate;	1486	$self->activate;
1284	}	1487	}
1285		1488
		1489	$self->post_load;
		1490
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1492	}
1288		1493
1289	sub load_map_sync {	1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
		1525	}
		1526
		1527	sub find_sync {
1290	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1291		1529
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1530	cf::sync_job { find $path, $origin }
		1531	}
1293		1532
1294	cf::sync_job {	1533	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1534	my ($map) = @_;
1296	or return;	1535
		1536	cf::sync_job { $map->load };
		1537	}
		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
1297	$map->load;	1557	$map->load;
1298	$map	1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
1299	}	1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
1300	}	1567	}
1301		1568
1302	sub save {	1569	sub save {
1303	my ($self) = @_;	1570	my ($self) = @_;
1304		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1573
1305	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1306		1575
1307	return unless $self->dirty;	1576	return unless $self->dirty;
1308		1577
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1580
1312	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1313		1582
1314	return if $self->{deny_save};	1583	return if $self->{deny_save};
1315		1584
		1585	local $self->{last_access} = $self->last_access;#d#
		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
		1590
1316	if ($uniq) {	1591	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1594	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1596	}
1322	}	1597	}
1323		1598
1324	sub swap_out {	1599	sub swap_out {
1325	my ($self) = @_;	1600	my ($self) = @_;
1326		1601
1327	# save first because save cedes	1602	# save first because save cedes
1328	$self->save;	1603	$self->save;
		1604
		1605	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1606
1330	return if $self->players;	1607	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1609	return if $self->{deny_save};
1333		1610
…		…
1337		1614
1338	sub reset_at {	1615	sub reset_at {
1339	my ($self) = @_;	1616	my ($self) = @_;
1340		1617
1341	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1344		1621
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1624
…		…
1352	my ($self) = @_;	1629	my ($self) = @_;
1353		1630
1354	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1355	}	1632	}
1356		1633
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1634	sub reset {
1379	my ($self) = @_;	1635	my ($self) = @_;
1380		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1381	return if $self->players;	1639	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1383		1641
1384	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1385		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1386	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1387		1657
1388	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1389		1659
1390	$self->unlink_save;	1660	$self->unlink_save;
1391	$self->destroy;	1661	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1395		1665
1396	sub nuke {	1666	sub nuke {
1397	my ($self) = @_;	1667	my ($self) = @_;
1398		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1402	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1403	}	1682	}
1404		1683
1405	sub customise_for {	1684	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1685
1408	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1410	}
1411		1688
1412	$map	1689	=cut
1413	}
1414		1690
1415	sub emergency_save {	1691	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1417		1694
1418	warn "enter emergency map save\n";	1695	my @paths;
1419		1696
1420	cf::sync_job {	1697	for (@$files) {
1421	warn "begin emergency map save\n";	1698	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1423	};	1703	}
1424		1704
1425	warn "end emergency map save\n";	1705	\@paths
1426	}	1706	}
1427		1707
1428	package cf;	1708	package cf;
1429		1709
1430	=back	1710	=back
1431		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1432		1738
1433	=head3 cf::object::player	1739	=head3 cf::object::player
1434		1740
1435	=over 4	1741	=over 4
1436		1742
…		…
1476		1782
1477	=item $player_object->enter_link	1783	=item $player_object->enter_link
1478		1784
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1786
1481	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1483		1789
		1790	Will never block.
		1791
1484	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1485		1793
1486	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1797	fails, to the emergency map position.
1490		1798
1491	Might block.	1799	Might block.
1492		1800
1493	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1494		1812
1495	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1814	my ($self) = @_;
1497		1815
1498	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1499		1817
1500	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1819
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1821	if $self->map;
1504		1822
1505	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1824	}
1507		1825
1508	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1510		1828
1511	my $link_pos = delete $self->{_link_pos};	1829	my $link_pos = delete $self->{_link_pos};
1512		1830
1513	unless ($map) {	1831	unless ($map) {
1514	# restore original map position	1832	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1833	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1834	$map = cf::map::find $map;
1517		1835
1518	unless ($map) {	1836	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1837	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1838	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1839	or die "FATAL: cannot load emergency map\n";
1522	}	1840	}
1523	}	1841	}
1524		1842
1525	($x, $y) = (-1, -1)	1843	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1531		1849
1532	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1533		1852
		1853	return unless $self->contr->active;
1534	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1536	}	1858	}
1537		1859
1538	cf::player->attach (	1860	cf::player->attach (
1539	on_logout => sub {	1861	on_logout => sub {
…		…
1551		1873
1552	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1875	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1556	cf::async {	1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
1557	# we need this sleep as the login has a concurrent enter_exit running	1883	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1884	# and this sleep increases chances of the player not ending up in scorn
1559	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1561	};	1887	})->prio (2);
1562	}	1888	}
1563	},	1889	},
1564	);	1890	);
1565		1891
1566	=item $player_object->goto_map ($path, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1567		1893
1568	=cut	1894	=cut
1569		1895
1570	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1572		1898
1573	$self->enter_link;	1899	$self->enter_link;
1574		1900
1575	(cf::async {	1901	(async {
1576	$path = new cf::path $path;	1902	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1903	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1580		1905	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1582	# if $map;
1583
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1908
1586	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1910	})->prio (1);
1588	}	1911	}
1589		1912
…		…
1593		1916
1594	sub parse_random_map_params {	1917	sub parse_random_map_params {
1595	my ($spec) = @_;	1918	my ($spec) = @_;
1596		1919
1597	my $rmp = { # defaults	1920	my $rmp = { # defaults
1598	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1600	};	1925	};
1601		1926
1602	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1604		1929
…		…
1608	$rmp	1933	$rmp
1609	}	1934	}
1610		1935
1611	sub prepare_random_map {	1936	sub prepare_random_map {
1612	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1940
1614	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1943	# that depends on the exit object
1617		1944
1618	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1619		1946
1620	if ($exit->map) {	1947	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1625	}	1952	}
1626		1953
1627	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1628		1955
1629	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1959
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1634		1964
1635	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1966	$exit->msg (undef);
1637	}	1967	}
1638	}	1968	}
…		…
1640	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1642		1972
1643	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1644		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1645	$self->enter_link;	1986	$self->enter_link;
1646		1987
1647	(cf::async {	1988	(async {
		1989	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1990	unless (eval {
1649	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1992
1655	1;	1993	1;
1656	}) {	1994	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1999
1662	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	2001	$self->leave_link;
1664	}	2002	}
1665	})->prio (1);	2003	})->prio (1);
…		…
1678		2016
1679	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1680	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1681		2019
1682	utf8::encode $text;	2020	utf8::encode $text;
1683	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1684	}	2022	}
1685		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1686		2036
1687	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1688		2038
1689	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1690	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1719	# get handled first	2069	# get handled first
1720	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2072
1723	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2075
1725	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1726		2077
1727	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2079	if (@$queue) {
…		…
1732	}	2083	}
1733	}	2084	}
1734	},	2085	},
1735	);	2086	);
1736		2087
1737	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1738		2089
1739	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2092	or loss of connection).
1742		2093
1743	=cut	2094	=cut
1744		2095
1745	sub cf::client::coro {	2096	sub cf::client::async {
1746	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1747		2098
1748	my $coro = &cf::async ($cb);	2099	my $coro = &Coro::async ($cb);
1749		2100
1750	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1752	});	2103	});
1753		2104
…		…
1786		2137
1787	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1788		2139
1789	=pod	2140	=pod
1790		2141
1791	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1792		2143
1793	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1794	cf::object::player player	2145	cf::object::player player
1795	cf::player peaceful	2146	cf::player peaceful
1796	cf::map trigger	2147	cf::map trigger
…		…
1889	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1890	using it, it should be unique.	2241	using it, it should be unique.
1891		2242
1892	=over 4	2243	=over 4
1893		2244
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1901		2246
1902	Returns a single value from the database	2247	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2248
1909	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1910		2250
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2252
1922	=cut	2253	=cut
1923		2254
1924	our $DB;	2255	our $DB;
1925		2256
1926	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1927	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1928		2276
1929	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2281
1933	my $pid;	2282	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2283	};
1943	}	2284	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});	2285	}
		2286	}
1955		2287
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {	2288	sub db_get($$) {
1962	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
1967	sub db_put($$;$) {	2299	sub db_put($$$) {
1968	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
1969	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth;
1970	} else {	2338	} else {
1971	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2340	}
1981	);	2341	Coro::cede;
1982	}	2342	}
1983		2343
1984	#############################################################################	2344	1
1985	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
1986		2357
1987	sub cfg_load {	2358	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2360	or return;
1990		2361
1991	local $/;	2362	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2363	*CFG = YAML::Syck::Load <$fh>;
		2364
		2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2366
		2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2369
		2370	if (exists $CFG{mlockall}) {
		2371	eval {
		2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2373	and die "WARNING: m(un)lockall failed: $!\n";
		2374	};
		2375	warn $@ if $@;
		2376	}
1993	}	2377	}
1994		2378
1995	sub main {	2379	sub main {
1996	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2383	(async {
2000	Event::one_event;	2384	Event::one_event;
2001	})->();	2385	})->prio (Coro::PRIO_MAX);
2002	};	2386	};
2003		2387
2004	cfg_load;	2388	cfg_load;
2005	db_load;	2389	db_init;
2006	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
2007	Event::loop;	2393	Event::loop;
2008	}	2394	}
2009		2395
2010	#############################################################################	2396	#############################################################################
2011	# initialisation	2397	# initialisation and cleanup
		2398
		2399	# install some emergency cleanup handlers
		2400	BEGIN {
		2401	for my $signal (qw(INT HUP TERM)) {
		2402	Event->signal (
		2403	reentrant => 0,
		2404	data => WF_AUTOCANCEL,
		2405	signal => $signal,
		2406	prio => 0,
		2407	cb => sub {
		2408	cf::cleanup "SIG$signal";
		2409	},
		2410	);
		2411	}
		2412	}
		2413
		2414	sub emergency_save() {
		2415	my $freeze_guard = cf::freeze_mainloop;
		2416
		2417	warn "enter emergency perl save\n";
		2418
		2419	cf::sync_job {
		2420	# use a peculiar iteration method to avoid tripping on perl
		2421	# refcount bugs in for. also avoids problems with players
		2422	# and maps saved/destroyed asynchronously.
		2423	warn "begin emergency player save\n";
		2424	for my $login (keys %cf::PLAYER) {
		2425	my $pl = $cf::PLAYER{$login} or next;
		2426	$pl->valid or next;
		2427	$pl->save;
		2428	}
		2429	warn "end emergency player save\n";
		2430
		2431	warn "begin emergency map save\n";
		2432	for my $path (keys %cf::MAP) {
		2433	my $map = $cf::MAP{$path} or next;
		2434	$map->valid or next;
		2435	$map->save;
		2436	}
		2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
		2442	};
		2443
		2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
		2452	}
2012		2453
2013	sub reload() {	2454	sub reload() {
2014	# can/must only be called in main	2455	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
2017	return;	2458	return;
2018	}	2459	}
2019		2460
2020	warn "reloading...";	2461	warn "reloading...";
2021		2462
2022	local $FREEZE = 1;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
2024		2469
2025	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
2026	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
2027		2474
2028	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2478	}
2032		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
2033	# cancel all extension coros	2491	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2493	%EXT_CORO = ();
2036		2494
2037	# unload all extensions	2495	warn "removing commands";
2038	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2503	warn "... unloading $pkg";
2040	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2510	}
2042		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
2043	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2519
2047	warn "removing <$k>";	2520	warn "... unloading $k";
2048	delete $INC{$k};	2521	delete $INC{$k};
2049		2522
2050	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
2052		2525
…		…
2055	}	2528	}
2056		2529
2057	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
2058	}	2531	}
2059		2532
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2536
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
2073		2539
2074	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2541	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
2077		2543
2078	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
2079	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
2080	require cf;	2547	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2549
2083	# load config and database again	2550	warn "loading config and database again";
2084	cf::cfg_load;	2551	cf::cfg_load;
2085	cf::db_load;
2086		2552
2087	# load extensions
2088	warn "load extensions";	2553	warn "loading extensions";
2089	cf::load_extensions;	2554	cf::load_extensions;
2090		2555
2091	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
2092	warn "reattach";	2557	_global_reattach; # objects, sockets
2093	_global_reattach;	2558	warn "reattaching attachments to maps";
2094	};	2559	reattach $_ for values %MAP;
		2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
2095		2562
2096	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
2097	warn $@;	2570	warn $@;
2098	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
2099	exit 1;	2572	exit 1;
2100	}	2573	};
2101		2574
2102	warn "reloaded successfully";	2575	warn "reloaded";
2103	};	2576	};
2104		2577
2105	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2579
2150	register_command "reload" => sub {	2580	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
2152		2582
2153	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
2155	reload;	2594	reload;
2156	$who->message ("end of reload.");	2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
2157	}	2598	}
2158	};	2599	};
2159		2600
2160	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
2161		2604
2162	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
2164	prio => 0,	2608	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2167	cb => sub {	2611	cb => sub {
2168	unless ($FREEZE) {	2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
2169	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
		2632	$WAIT_FOR_TICK->broadcast;
		2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
2174		2637
2175	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2640
2178	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
2180	},	2643	},
2181	);	2644	);
2182		2645
		2646	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2184		2648	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	2649	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2187	poll => 'r',	2651	poll => 'r',
2188	prio => 5,	2652	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2195	after => 0,	2654	cb => \&BDB::poll_cb,
2196	interval => 10,	2655	);
2197	cb => sub {	2656	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	2657
2199	write_runtime	2658	BDB::set_sync_prepare {
2200	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2201	})->();	2692	};
2202	},	2693	}
2203	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
2204		2710
2205	END { cf::emergency_save }	2711	END { cf::emergency_save }
2206		2712
2207	1	2713	1
2208		2714

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