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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.243 by root, Mon Apr 16 13:02:29 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available	101	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		102
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
119	utf8::encode $msg;	151	utf8::encode $msg;
120		152
121	$msg .= "\n"	153	$msg .= "\n"
122	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
123		155
124	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
125	};	157	};
126	}	158	}
127		159
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151		183
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
160	=cut	188	=item dumpval $ref
161		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		212
164	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
165		214
166	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
167		216
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
176		218
177	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
178		220
179	=cut
180
181	sub to_json($) {
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	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
317		344
318	$coro	345	$coro
319	}	346	}
320		347
321	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
322	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
323		352
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	354	or return;
326		355
		356	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	361	and return;
330		362
		363	# always fsync - this file is important
331	aio_fsync $fh	364	aio_fsync $fh
332	and return;	365	and return;
333		366
334	close $fh	367	close $fh
335	or return;	368	or return;
…		…
338	and return;	371	and return;
339		372
340	1	373	1
341	}	374	}
342		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
343	=back	387	=back
344		388
345	=cut	389	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		390
467	#############################################################################	391	#############################################################################
468		392
469	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
470		394
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	521	our @CB_MAP = ();
598		522
599	my %attachment;	523	my %attachment;
600		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
601	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
603		533
604	use sort 'stable';	534	use sort 'stable';
605		535
…		…
776	# object support	706	# object support
777		707
778	sub reattach {	708	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		713
782	my $registry = $obj->registry;	714	my $registry = $obj->registry;
783		715
784	@$registry = ();	716	@$registry = ();
785		717
…		…
832	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
833		765
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	770	close $fh;
839		771
840	if (@$objs) {	772	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	778	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
848	}	780	}
849	} else {	781	} else {
850	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
917	=cut	849	=cut
918		850
919	sub register_extcmd {	851	sub register_extcmd {
920	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
921		853
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
926	}	855	}
927		856
928	cf::player->attach (	857	cf::player->attach (
929	on_command => sub {	858	on_command => sub {
930	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
943		872
944	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
945		874
946	if (ref $msg) {	875	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	879	}
951	}	880	}
952	} else {	881	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		884
956	cf::override;	885	cf::override;
957	},	886	},
958	);	887	);
959		888
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	889	sub load_extension {
967	my ($path) = @_;	890	my ($path) = @_;
968		891
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	893	my $base = $1;
971	my $pkg = $1;	894	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
974		897
975	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
976		899
977	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
978	or die "$path: $!";	901	or die "$path: $!";
979		902
980	my $source =	903	my $source =
981	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
984	. "\n};\n1";	907	. "\n};\n1";
985		908
986	eval $source	909	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	911	: "extension disabled.\n";
989		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	913	warn $@;
991	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
992		915	exit 1;
993	# no strict 'refs';	916	}
994	# @{"$pkg\::ISA"} = ext::;	917	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	918	}
1009		919
1010	# remove commands	920	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	921	}
1035		922
1036	sub load_extensions {	923	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	925	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1043	}	930	}
1044	}	931	}
1045		932
1046	#############################################################################	933	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		934
1084	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1085		936
1086	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1087		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1088	=head3 cf::player	945	=head3 cf::player
1089		946
1090	=over 4	947	=over 4
1091		948
1092	=item cf::player::exists $login	949	=item cf::player::find $login
1093		950
1094	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1095		952
1096	=cut	953	=cut
1097		954
1098	sub cf::player::exists($) {	955	sub playerdir($) {
1099	cf::player::find $_[0]	956	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1101	}	961	}
1102		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1104		1135
1105	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1106		1137
1107	=cut	1138	=cut
1108		1139
1109	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1110	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1111		1142
1112	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1113		1144
1114	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1115	}	1187	}
1116		1188
1117	=back	1189	=back
1118
1119		1190
1120	=head3 cf::map	1191	=head3 cf::map
1121		1192
1122	=over 4	1193	=over 4
1123		1194
…		…
1126	package cf::map;	1197	package cf::map;
1127		1198
1128	use Fcntl;	1199	use Fcntl;
1129	use Coro::AIO;	1200	use Coro::AIO;
1130		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1131	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1133		1208
1134	sub generate_random_map {	1209	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1212	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1354	}
1152		1355
1153	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1154	# all maps in C++...	1357	# all maps in C++...
1155	sub change_all_map_light {	1358	sub change_all_map_light {
1156	my ($change) = @_;	1359	my ($change) = @_;
1157		1360
1158	$_->change_map_light ($change) for values %cf::MAP;	1361	$_->change_map_light ($change)
		1362	for grep $_->outdoor, values %cf::MAP;
1159	}	1363	}
1160		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1161	sub try_load_header($) {	1373	sub load_header_from($) {
1162	my ($path) = @_;	1374	my ($self, $path) = @_;
1163		1375
1164	utf8::encode $path;	1376	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1166	or return;	1381	or return;
1167		1382
1168	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1169	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1170		1429
1171	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1172	or return;	1431	unless $self->default_region;
1173		1432
1174	$map->{load_path} = $path;	1433	1
1175
1176	$map
1177	}	1434	}
1178		1435
		1436	sub find;
1179	sub find_map {	1437	sub find {
1180	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1181		1439
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1441
1187	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1188		1443
1189	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1191		1446	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1447	or return;
1207		1448
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1450
1222	if ($map->should_reset) {	1451	$map->load_header
		1452	or return;
		1453
		1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1457	$map->reset;
1224	$map = find_map $path;	1458	undef $guard;
		1459	return find $path;
1225	}	1460	}
1226		1461
1227	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1228	}	1463	}
1229	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1230		1468
1231	sub load {	1469	sub load {
1232	my ($self) = @_;	1470	my ($self) = @_;
1233		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1234	my $path = $self->{path};	1474	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1236		1476
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1478
1239	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1240		1480
1241	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1242	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1487	or return;
1244		1488
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1490	if delete $self->{load_original};
1247		1491
1248	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1493	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1495	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1253	}	1497	}
1254	}	1498	}
1255		1499
		1500	Coro::cede;
1256	# now do the right thing for maps	1501	# now do the right thing for maps
1257	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1258		1504
1259	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1506	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1266	$self->set_darkness_map;	1510	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1269	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1270	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1271		1520
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1522	}
1274		1523
1275	sub load_map_sync {	1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1276	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1277		1559
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1279		1562
1280	cf::sync_job {	1563	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1282	or return;	1565
		1566	cf::sync_job { $map->load };
		1567	}
		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
1283	$map->load;	1587	$map->load;
1284	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1285	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1286	}	1597	}
1287		1598
1288	sub save {	1599	sub save {
1289	my ($self) = @_;	1600	my ($self) = @_;
1290		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1291	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1292		1605
1293	return unless $self->dirty;	1606	return unless $self->dirty;
1294		1607
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1610
1298	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1299		1612
1300	return if $self->{deny_save};	1613	return if $self->{deny_save};
1301		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1302	if ($uniq) {	1621	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1624	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1626	}
1308	}	1627	}
1309		1628
1310	sub swap_out {	1629	sub swap_out {
1311	my ($self) = @_;	1630	my ($self) = @_;
		1631
		1632	# save first because save cedes
		1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1636
1313	return if $self->players;	1637	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1639	return if $self->{deny_save};
1316		1640
1317	$self->save;
1318	$self->clear;	1641	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1643	}
1321		1644
1322	sub reset_at {	1645	sub reset_at {
1323	my ($self) = @_;	1646	my ($self) = @_;
1324		1647
1325	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1328		1651
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1654
…		…
1336	my ($self) = @_;	1659	my ($self) = @_;
1337		1660
1338	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1339	}	1662	}
1340		1663
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1664	sub reset {
1363	my ($self) = @_;	1665	my ($self) = @_;
1364		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1365	return if $self->players;	1669	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1367		1671
1368	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1369		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1370	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1371		1687
1372	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1373		1689
1374	$self->unlink_save;	1690	$self->unlink_save;
1375	$self->destroy;	1691	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1379		1695
1380	sub nuke {	1696	sub nuke {
1381	my ($self) = @_;	1697	my ($self) = @_;
1382		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1386	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1387	}	1712	}
1388		1713
1389	sub customise_for {	1714	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1715
1392	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1394	}
1395		1718
1396	$map	1719	=cut
1397	}
1398		1720
1399	sub emergency_save {	1721	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1401		1724
1402	warn "enter emergency map save\n";	1725	my @paths;
1403		1726
1404	cf::sync_job {	1727	for (@$files) {
1405	warn "begin emergency map save\n";	1728	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1407	};	1733	}
1408		1734
1409	warn "end emergency map save\n";	1735	\@paths
1410	}	1736	}
1411		1737
1412	package cf;	1738	package cf;
1413		1739
1414	=back	1740	=back
1415		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1416		1768
1417	=head3 cf::object::player	1769	=head3 cf::object::player
1418		1770
1419	=over 4	1771	=over 4
1420		1772
…		…
1460		1812
1461	=item $player_object->enter_link	1813	=item $player_object->enter_link
1462		1814
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1816
1465	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1467		1819
		1820	Will never block.
		1821
1468	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1469		1823
1470	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1827	fails, to the emergency map position.
1474		1828
1475	Might block.	1829	Might block.
1476		1830
1477	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1478		1842
1479	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1844	my ($self) = @_;
1481		1845
1482	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1483		1847
1484	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1849
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1851	if $self->map;
1488		1852
1489	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	1854	}
1491		1855
1492	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1494		1858
1495	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1496		1860
1497	unless ($map) {	1861	unless ($map) {
1498	# restore original map position	1862	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1501		1865
1502	unless ($map) {	1866	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1506	}	1870	}
1507	}	1871	}
1508		1872
1509	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1515		1879
1516	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1517		1882
		1883	return unless $self->contr->active;
1518	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1520	}	1888	}
1521		1889
1522	cf::player->attach (	1890	cf::player->attach (
1523	on_logout => sub {	1891	on_logout => sub {
…		…
1535		1903
1536	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1905	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1540	Coro::async {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1541	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1545	};	1917	})->prio (2);
1546	}	1918	}
1547	},	1919	},
1548	);	1920	);
1549		1921
1550	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1551		1923
1552	=cut	1924	=cut
1553		1925
1554	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1556		1928
1557	$self->enter_link;	1929	$self->enter_link;
1558		1930
1559	(Coro::async {	1931	(async {
1560	$path = new cf::path $path;	1932	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1564		1935	$map
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1938
1570	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1940	})->prio (1);
1572	}	1941	}
1573		1942
…		…
1577		1946
1578	sub parse_random_map_params {	1947	sub parse_random_map_params {
1579	my ($spec) = @_;	1948	my ($spec) = @_;
1580		1949
1581	my $rmp = { # defaults	1950	my $rmp = { # defaults
1582	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1584	};	1955	};
1585		1956
1586	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1588		1959
…		…
1592	$rmp	1963	$rmp
1593	}	1964	}
1594		1965
1595	sub prepare_random_map {	1966	sub prepare_random_map {
1596	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1970
1598	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1973	# that depends on the exit object
1601		1974
1602	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1603		1976
1604	if ($exit->map) {	1977	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1609	}	1982	}
1610		1983
1611	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1612		1985
1613	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1989
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1618		1994
1619	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1996	$exit->msg (undef);
1621	}	1997	}
1622	}	1998	}
…		…
1624	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1626		2002
1627	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1628		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1629	$self->enter_link;	2016	$self->enter_link;
1630		2017
1631	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	2020	unless (eval {
1633		2021	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		2022
1640	1;	2023	1;
1641	}) {	2024	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2029
1647	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2031	$self->leave_link;
1649	}	2032	}
1650	})->prio (1);	2033	})->prio (1);
…		…
1663		2046
1664	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1666		2049
1667	utf8::encode $text;	2050	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2052	}
1670		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1671		2066
1672	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1673		2068
1674	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1700	on_reply => sub {	2095	on_reply => sub {
1701	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1702		2097
1703	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1704	# get handled first	2099	# get handled first
1705	my $queue = delete $ns->{query_queue};	2100	my $queue = delete $ns->{query_queue}
		2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2102
1707	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2105
1709	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1710		2107
1711	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2109	if (@$queue) {
…		…
1716	}	2113	}
1717	}	2114	}
1718	},	2115	},
1719	);	2116	);
1720		2117
1721	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1722		2119
1723	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2122	or loss of connection).
1726		2123
1727	=cut	2124	=cut
1728		2125
1729	sub cf::client::coro {	2126	sub cf::client::async {
1730	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1731		2128
1732	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2130
1739	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1741	});	2133	});
1742		2134
…		…
1775		2167
1776	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1777		2169
1778	=pod	2170	=pod
1779		2171
1780	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1781		2173
1782	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2175	cf::object::player player
1784	cf::player peaceful	2176	cf::player peaceful
1785	cf::map trigger	2177	cf::map trigger
…		…
1878	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2271	using it, it should be unique.
1880		2272
1881	=over 4	2273	=over 4
1882		2274
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1890		2276
1891	Returns a single value from the database	2277	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2278
1898	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1899		2280
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2282
1911	=cut	2283	=cut
1912		2284
1913	our $DB;	2285	our $DB;
1914		2286
1915	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1916	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1917		2306
1918	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1919	warn "loading database $path\n";#d# remove later	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1920	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
1921	}	2310	BDB::db_env_txn_checkpoint $DB_ENV;
1922		2311
1923	my $pid;	2312	unlink $path;
1924
1925	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}	2313	};
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});
1946
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}
1951
1952	sub db_get($;$) {
1953	@_ >= 2
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957
1958	sub db_put($$;$) {
1959	if (@_ >= 3) {
1960	$DB->{$_[0]}{$_[1]} = $_[2];
1961	} else {
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2314	}
1972	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1973	}	2332	}
1974		2333
1975	#############################################################################	2334	#############################################################################
1976	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	our $archetypes_loaded;
		2390
		2391	sub load_archetypes {
		2392	return 1 if $archetypes_loaded++; # current can only load them once
		2393	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2395	}
		2396
		2397	sub load_treasures {
		2398	load_treasure_file sprintf "%s/treasures", cf::datadir
		2399	}
		2400
		2401	sub reload_resources {
		2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2403	or die "unable to load regions file\n";
		2404	load_facedata
		2405	or die "unable to load facedata\n";
		2406	load_archetypes
		2407	or die "unable to load archetypes\n";
		2408	load_treasures
		2409	or die "unable to load treasurelists\n";
		2410	}
		2411
		2412	sub init {
		2413	reload_resources;
		2414	}
1977		2415
1978	sub cfg_load {	2416	sub cfg_load {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2417	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2418	or return;
1981		2419
1982	local $/;	2420	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2421	*CFG = YAML::Syck::Load <$fh>;
		2422
		2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2424
		2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2427
		2428	if (exists $CFG{mlockall}) {
		2429	eval {
		2430	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2431	and die "WARNING: m(un)lockall failed: $!\n";
		2432	};
		2433	warn $@ if $@;
		2434	}
1984	}	2435	}
1985		2436
1986	sub main {	2437	sub main {
1987	# we must not ever block the main coroutine	2438	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2439	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	2441	(async {
1991	Event::one_event;	2442	Event::one_event;
1992	})->();	2443	})->prio (Coro::PRIO_MAX);
1993	};	2444	};
1994		2445
1995	cfg_load;	2446	cfg_load;
1996	db_load;	2447	db_init;
1997	load_extensions;	2448	load_extensions;
		2449
		2450	$TICK_WATCHER->start;
1998	Event::loop;	2451	Event::loop;
1999	}	2452	}
2000		2453
2001	#############################################################################	2454	#############################################################################
2002	# initialisation	2455	# initialisation and cleanup
		2456
		2457	# install some emergency cleanup handlers
		2458	BEGIN {
		2459	for my $signal (qw(INT HUP TERM)) {
		2460	Event->signal (
		2461	reentrant => 0,
		2462	data => WF_AUTOCANCEL,
		2463	signal => $signal,
		2464	prio => 0,
		2465	cb => sub {
		2466	cf::cleanup "SIG$signal";
		2467	},
		2468	);
		2469	}
		2470	}
		2471
		2472	sub emergency_save() {
		2473	my $freeze_guard = cf::freeze_mainloop;
		2474
		2475	warn "enter emergency perl save\n";
		2476
		2477	cf::sync_job {
		2478	# use a peculiar iteration method to avoid tripping on perl
		2479	# refcount bugs in for. also avoids problems with players
		2480	# and maps saved/destroyed asynchronously.
		2481	warn "begin emergency player save\n";
		2482	for my $login (keys %cf::PLAYER) {
		2483	my $pl = $cf::PLAYER{$login} or next;
		2484	$pl->valid or next;
		2485	$pl->save;
		2486	}
		2487	warn "end emergency player save\n";
		2488
		2489	warn "begin emergency map save\n";
		2490	for my $path (keys %cf::MAP) {
		2491	my $map = $cf::MAP{$path} or next;
		2492	$map->valid or next;
		2493	$map->save;
		2494	}
		2495	warn "end emergency map save\n";
		2496
		2497	warn "begin emergency database checkpoint\n";
		2498	BDB::db_env_txn_checkpoint $DB_ENV;
		2499	warn "end emergency database checkpoint\n";
		2500	};
		2501
		2502	warn "leave emergency perl save\n";
		2503	}
		2504
		2505	sub post_cleanup {
		2506	my ($make_core) = @_;
		2507
		2508	warn Carp::longmess "post_cleanup backtrace"
		2509	if $make_core;
		2510	}
2003		2511
2004	sub reload() {	2512	sub reload() {
2005	# can/must only be called in main	2513	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2514	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2515	warn "can only reload from main coroutine";
2008	return;	2516	return;
2009	}	2517	}
2010		2518
2011	warn "reloading...";	2519	warn "reloading...";
2012		2520
2013	local $FREEZE = 1;	2521	warn "entering sync_job";
		2522
		2523	cf::sync_job {
		2524	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	2525	cf::emergency_save;
		2526	cf::write_runtime; # external watchdog should not bark
2015		2527
2016	eval {	2528	warn "syncing database to disk";
		2529	BDB::db_env_txn_checkpoint $DB_ENV;
		2530
2017	# if anything goes wrong in here, we should simply crash as we already saved	2531	# if anything goes wrong in here, we should simply crash as we already saved
2018		2532
2019	# cancel all watchers	2533	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2534	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2536	}
2023		2537
		2538	warn "flushing outstanding aio requests";
		2539	for (;;) {
		2540	BDB::flush;
		2541	IO::AIO::flush;
		2542	Coro::cede;
		2543	last unless IO::AIO::nreqs || BDB::nreqs;
		2544	warn "iterate...";
		2545	}
		2546
		2547	++$RELOAD;
		2548
2024	# cancel all extension coros	2549	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2550	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2551	%EXT_CORO = ();
2027		2552
2028	# unload all extensions	2553	warn "removing commands";
2029	for (@exts) {	2554	%COMMAND = ();
		2555
		2556	warn "removing ext commands";
		2557	%EXTCMD = ();
		2558
		2559	warn "unloading/nuking all extensions";
		2560	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2561	warn "... unloading $pkg";
2031	unload_extension $_;	2562
		2563	if (my $cb = $pkg->can ("unload")) {
		2564	eval {
		2565	$cb->($pkg);
		2566	1
		2567	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2568	}
2033		2569
		2570	warn "... nuking $pkg";
		2571	Symbol::delete_package $pkg;
		2572	}
		2573
2034	# unload all modules loaded from $LIBDIR	2574	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2575	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2576	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2577
2038	warn "removing <$k>";	2578	warn "... unloading $k";
2039	delete $INC{$k};	2579	delete $INC{$k};
2040		2580
2041	$k =~ s/\.pm$//;	2581	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2582	$k =~ s/\//::/g;
2043		2583
…		…
2046	}	2586	}
2047		2587
2048	Symbol::delete_package $k;	2588	Symbol::delete_package $k;
2049	}	2589	}
2050		2590
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2591	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2592	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2594
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2595	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2596	delete $INC{"cf.pm"};
2064		2597
2065	# don't, removes xs symbols, too,	2598	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2599	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2600	#Symbol::delete_package __PACKAGE__;
2068		2601
2069	# reload cf.pm	2602	warn "unload completed, starting to reload now";
		2603
2070	warn "reloading cf.pm";	2604	warn "reloading cf.pm";
2071	require cf;	2605	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2607
2074	# load config and database again	2608	warn "loading config and database again";
2075	cf::cfg_load;	2609	cf::cfg_load;
2076	cf::db_load;
2077		2610
2078	# load extensions
2079	warn "load extensions";	2611	warn "loading extensions";
2080	cf::load_extensions;	2612	cf::load_extensions;
2081		2613
2082	# reattach attachments to objects	2614	warn "reattaching attachments to objects/players";
2083	warn "reattach";	2615	_global_reattach; # objects, sockets
2084	_global_reattach;	2616	warn "reattaching attachments to maps";
2085	};	2617	reattach $_ for values %MAP;
		2618	warn "reattaching attachments to players";
		2619	reattach $_ for values %PLAYER;
2086		2620
2087	if ($@) {	2621	warn "loading reloadable resources";
		2622	reload_resources;
		2623
		2624	warn "leaving sync_job";
		2625
		2626	1
		2627	} or do {
2088	warn $@;	2628	warn $@;
2089	warn "error while reloading, exiting.";	2629	warn "error while reloading, exiting.";
2090	exit 1;	2630	exit 1;
2091	}	2631	};
2092		2632
2093	warn "reloaded successfully";	2633	warn "reloaded";
2094	};	2634	};
2095		2635
2096	#############################################################################	2636	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2637
2141	register_command "reload" => sub {	2638	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2639	my ($who, $arg) = @_;
2143		2640
2144	if ($who->flag (FLAG_WIZ)) {	2641	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2642	$who->message ("reloading server.");
		2643
		2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
		2646
		2647	$RELOAD_WATCHER ||= Event->timer (
		2648	reentrant => 0,
		2649	after => 0,
		2650	data => WF_AUTOCANCEL,
		2651	cb => sub {
2146	reload;	2652	reload;
2147	$who->message ("end of reload.");	2653	undef $RELOAD_WATCHER;
		2654	},
		2655	);
2148	}	2656	}
2149	};	2657	};
2150		2658
2151	unshift @INC, $LIBDIR;	2659	unshift @INC, $LIBDIR;
		2660
		2661	my $bug_warning = 0;
		2662
		2663	our @WAIT_FOR_TICK;
		2664	our @WAIT_FOR_TICK_BEGIN;
		2665
		2666	sub wait_for_tick {
		2667	return unless $TICK_WATCHER->is_active;
		2668	return if $Coro::current == $Coro::main;
		2669
		2670	my $signal = new Coro::Signal;
		2671	push @WAIT_FOR_TICK, $signal;
		2672	$signal->wait;
		2673	}
		2674
		2675	sub wait_for_tick_begin {
		2676	return unless $TICK_WATCHER->is_active;
		2677	return if $Coro::current == $Coro::main;
		2678
		2679	my $signal = new Coro::Signal;
		2680	push @WAIT_FOR_TICK_BEGIN, $signal;
		2681	$signal->wait;
		2682	}
2152		2683
2153	$TICK_WATCHER = Event->timer (	2684	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2685	reentrant => 0,
		2686	parked => 1,
2155	prio => 0,	2687	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2688	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2689	data => WF_AUTOCANCEL,
2158	cb => sub {	2690	cb => sub {
2159	unless ($FREEZE) {	2691	if ($Coro::current != $Coro::main) {
		2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2693	unless ++$bug_warning > 10;
		2694	return;
		2695	}
		2696
		2697	$NOW = Event::time;
		2698
2160	cf::server_tick; # one server iteration	2699	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2700	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2701	$NEXT_TICK += $TICK;
		2702
		2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2704	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2705	Coro::async_pool {
		2706	write_runtime
		2707	or warn "ERROR: unable to write runtime file: $!";
		2708	};
		2709	}
		2710
		2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2712	$sig->send;
		2713	}
		2714	while (my $sig = shift @WAIT_FOR_TICK) {
		2715	$sig->send;
		2716	}
		2717
		2718	# my $AFTER = Event::time;
		2719	# warn $AFTER - $NOW;#d#
2165		2720
2166	# if we are delayed by four ticks or more, skip them all	2721	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2723
2169	$TICK_WATCHER->at ($NEXT_TICK);	2724	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2725	$TICK_WATCHER->start;
2171	},	2726	},
2172	);	2727	);
2173		2728
		2729	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	2730	BDB::max_poll_time $TICK * 0.1;
2175		2731	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	2732	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2733	fd => BDB::poll_fileno,
2178	poll => 'r',	2734	poll => 'r',
2179	prio => 5,	2735	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2186	after => 0,	2737	cb => \&BDB::poll_cb,
2187	interval => 10,	2738	);
2188	cb => sub {	2739	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	2740
2190	write_runtime	2741	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	2742	my $status;
		2743	my $current = $Coro::current;
		2744	(
		2745	sub {
		2746	$status = $!;
		2747	$current->ready; undef $current;
		2748	},
		2749	sub {
		2750	Coro::schedule while defined $current;
		2751	$! = $status;
		2752	},
		2753	)
		2754	};
		2755
		2756	unless ($DB_ENV) {
		2757	$DB_ENV = BDB::db_env_create;
		2758
		2759	cf::sync_job {
		2760	eval {
		2761	BDB::db_env_open
		2762	$DB_ENV,
		2763	$BDB_ENV_DIR,
		2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2766	0666;
		2767
		2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2769
		2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2771	$DB_ENV->set_lk_detect;
		2772	};
		2773
		2774	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	2775	};
2193	},	2776	}
2194	);	2777	}
		2778
		2779	{
		2780	IO::AIO::min_parallel 8;
		2781
		2782	undef $Coro::AIO::WATCHER;
		2783	IO::AIO::max_poll_time $TICK * 0.1;
		2784	$AIO_POLL_WATCHER = Event->io (
		2785	reentrant => 0,
		2786	data => WF_AUTOCANCEL,
		2787	fd => IO::AIO::poll_fileno,
		2788	poll => 'r',
		2789	prio => 6,
		2790	cb => \&IO::AIO::poll_cb,
		2791	);
		2792	}
		2793
		2794	END { cf::emergency_save }
2195		2795
2196	1	2796	1
2197		2797

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