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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.118 by root, Mon Jan 1 21:19:52 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available	104	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		105
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
119	utf8::encode $msg;	155	utf8::encode $msg;
120		156
121	$msg .= "\n"	157	$msg .= "\n"
122	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
123		159
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	225	=item cf::lock_wait $string
180		226
181	sub to_json($) {	227	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228
183	JSON::Syck::Dump $_[0]	229	=item my $lock = cf::lock_acquire $string
		230
		231	Wait until the given lock is available and then acquires it and returns
		232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		233	for example when the coroutine gets canceled), the lock is automatically
		234	returned.
		235
		236	Lock names should begin with a unique identifier (for example, cf::map::find
		237	uses map_find and cf::map::load uses map_load).
		238
		239	=cut
		240
		241	our %LOCK;
		242
		243	sub lock_wait($) {
		244	my ($key) = @_;
		245
		246	# wait for lock, if any
		247	while ($LOCK{$key}) {
		248	push @{ $LOCK{$key} }, $Coro::current;
		249	Coro::schedule;
		250	}
184	}	251	}
		252
		253	sub lock_acquire($) {
		254	my ($key) = @_;
		255
		256	# wait, to be sure we are not locked
		257	lock_wait $key;
		258
		259	$LOCK{$key} = [];
		260
		261	Coro::guard {
		262	# wake up all waiters, to be on the safe side
		263	$_->ready for @{ delete $LOCK{$key} };
		264	}
		265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
185		286
186	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
187		288
188	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
205		306
206	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	308	# (but this is cancel-safe)
208	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
209		310
210	my $busy = 1;	311	my $busy = 1;
211	my @res;	312	my @res;
212		313
213	(Coro::async {	314	(async {
214	@res = eval { $job->() };	315	@res = eval { $job->() };
215	warn $@ if $@;	316	warn $@ if $@;
216	undef $busy;	317	undef $busy;
217	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
218		319
219	while ($busy) {	320	while ($busy) {
220	Coro::cede_notself;	321	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	322	}
223		323
224	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
225	} else {	325	} else {
226	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
227		327
228	$job->()	328	$job->()
229	}	329	}
230	}	330	}
231		331
232	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
233		333
234	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
236		336
237	=cut	337	=cut
238		338
239	sub coro(&) {	339	sub async_ext(&) {
240	my $cb = shift;	340	my $cb = shift;
241		341
242	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		343
249	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
251	});	346	});
252	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
253		348
254	$coro	349	$coro
255	}	350	}
256		351
257	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
258	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
259		356
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	358	or return;
262		359
		360	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	365	and return;
266		366
		367	# always fsync - this file is important
267	aio_fsync $fh	368	aio_fsync $fh
268	and return;	369	and return;
269		370
270	close $fh	371	close $fh
271	or return;	372	or return;
…		…
274	and return;	375	and return;
275		376
276	1	377	1
277	}	378	}
278		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
279	=back	391	=back
280		392
281	=cut	393	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		394
403	#############################################################################	395	#############################################################################
404		396
405	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
406		398
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	525	our @CB_MAP = ();
534		526
535	my %attachment;	527	my %attachment;
536		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
537	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
539		537
540	use sort 'stable';	538	use sort 'stable';
541		539
…		…
712	# object support	710	# object support
713		711
714	sub reattach {	712	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		717
718	my $registry = $obj->registry;	718	my $registry = $obj->registry;
719		719
720	@$registry = ();	720	@$registry = ();
721		721
…		…
768	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
769		769
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	774	close $fh;
775		775
776	if (@$objs) {	776	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	782	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
784	}	784	}
785	} else {	785	} else {
786	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
853	=cut	853	=cut
854		854
855	sub register_extcmd {	855	sub register_extcmd {
856	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
857		857
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
862	}	859	}
863		860
864	cf::player->attach (	861	cf::player->attach (
865	on_command => sub {	862	on_command => sub {
866	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
879		876
880	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
881		878
882	if (ref $msg) {	879	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	883	}
887	}	884	}
888	} else {	885	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		888
892	cf::override;	889	cf::override;
893	},	890	},
894	);	891	);
895		892
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	893	sub load_extension {
903	my ($path) = @_;	894	my ($path) = @_;
904		895
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	897	my $base = $1;
907	my $pkg = $1;	898	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
910		901
911	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
912		903
913	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
914	or die "$path: $!";	905	or die "$path: $!";
915		906
916	my $source =	907	my $source =
917	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
920	. "\n};\n1";	911	. "\n};\n1";
921		912
922	eval $source	913	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	915	: "extension disabled.\n";
925		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	917	warn $@;
927	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
928		919	exit 1;
929	# no strict 'refs';	920	}
930	# @{"$pkg\::ISA"} = ext::;	921	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	922	}
945		923
946	# remove commands	924	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	925	}
971		926
972	sub load_extensions {	927	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	929	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
979	}	934	}
980	}	935	}
981		936
982	#############################################################################	937	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		938
1020	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1021		940
1022	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1023		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1024	=head3 cf::player	949	=head3 cf::player
1025		950
1026	=over 4	951	=over 4
1027		952
1028	=item cf::player::exists $login	953	=item cf::player::find $login
1029		954
1030	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1031		956
1032	=cut	957	=cut
1033		958
1034	sub cf::player::exists($) {	959	sub playerdir($) {
1035	cf::player::find $_[0]	960	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1037	}	965	}
1038		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1040		1139
1041	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1042		1141
1043	=cut	1142	=cut
1044		1143
1045	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1046	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1047		1146
1048	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1049		1148
1050	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1051	}	1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	package cf;
1052		1165
1053	=back	1166	=back
1054		1167
1055		1168
1056	=head3 cf::map	1169	=head3 cf::map
…		…
1062	package cf::map;	1175	package cf::map;
1063		1176
1064	use Fcntl;	1177	use Fcntl;
1065	use Coro::AIO;	1178	use Coro::AIO;
1066		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1067	our $MAX_RESET = 7200;	1184	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1185	our $DEFAULT_RESET = 3000;
1069		1186
1070	sub generate_random_map {	1187	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1190	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1332	}
1088		1333
1089	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1090	# all maps in C++...	1335	# all maps in C++...
1091	sub change_all_map_light {	1336	sub change_all_map_light {
1092	my ($change) = @_;	1337	my ($change) = @_;
1093		1338
1094	$_->change_map_light ($change) for values %cf::MAP;	1339	$_->change_map_light ($change)
		1340	for grep $_->outdoor, values %cf::MAP;
1095	}	1341	}
1096		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1097	sub try_load_header($) {	1351	sub load_header_from($) {
1098	my ($path) = @_;	1352	my ($self, $path) = @_;
1099		1353
1100	utf8::encode $path;	1354	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1102	or return;	1359	or return;
1103		1360
1104	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1105	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1106		1407
1107	$map->load_header ($path)	1408	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1409	}
1114		1410
		1411	sub find;
1115	sub find_map {	1412	sub find {
1116	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1117		1414
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1416
		1417	cf::lock_wait "map_find:$path";
		1418
1123	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1124	# do it the slow way	1420	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1421	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1422	or return;
1139		1423
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1425
1154	if ($map->should_reset) {	1426	$map->load_header
		1427	or return;
		1428
		1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1432	$map->reset;
1156	$map = find_map $path;	1433	undef $guard;
		1434	return find $path;
1157	}	1435	}
1158		1436
1159	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1160	}	1438	}
1161	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1162		1443
1163	sub load {	1444	sub load {
1164	my ($self) = @_;	1445	my ($self) = @_;
1165		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
		1449	my $path = $self->{path};
		1450	my $guard = cf::lock_acquire "map_load:$path";
		1451
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1453
1168	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1169		1455
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1173	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1461	or return;
1175		1462
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1464	if delete $self->{load_original};
1178		1465
1179	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1467	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1469	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1184	}	1471	}
1185	}	1472	}
		1473
		1474	Coro::cede;
1186		1475
1187	# now do the right thing for maps	1476	# now do the right thing for maps
1188	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1189		1478
1190	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1480	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1197	$self->set_darkness_map;	1484	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1200	$self->activate;	1488	$self->activate;
1201	}	1489	}
1202		1490
		1491	$self->post_load;
		1492
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1494	}
1205		1495
1206	sub load_map_sync {	1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
		1527	}
		1528
		1529	sub find_sync {
1207	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1208		1531
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1532	cf::sync_job { find $path, $origin }
		1533	}
1210		1534
1211	cf::sync_job {	1535	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1536	my ($map) = @_;
1213	or return;	1537
		1538	cf::sync_job { $map->load };
		1539	}
		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
1214	$map->load;	1559	$map->load;
1215	$map	1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
1216	}	1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
1217	}	1569	}
1218		1570
1219	sub save {	1571	sub save {
1220	my ($self) = @_;	1572	my ($self) = @_;
1221		1573
		1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1575
1222	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1223		1577
1224	return unless $self->dirty;	1578	return unless $self->dirty;
1225		1579
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1582
1229	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1230		1584
1231	return if $self->{deny_save};	1585	return if $self->{deny_save};
1232		1586
		1587	local $self->{last_access} = $self->last_access;#d#
		1588
		1589	cf::async {
		1590	$_->contr->save for $self->players;
		1591	};
		1592
1233	if ($uniq) {	1593	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1596	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1598	}
1239	}	1599	}
1240		1600
1241	sub swap_out {	1601	sub swap_out {
1242	my ($self) = @_;	1602	my ($self) = @_;
		1603
		1604	# save first because save cedes
		1605	$self->save;
		1606
		1607	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1608
1244	return if $self->players;	1609	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1610	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1611	return if $self->{deny_save};
1247		1612
1248	$self->save;
1249	$self->clear;	1613	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1614	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1615	}
1252		1616
1253	sub reset_at {	1617	sub reset_at {
1254	my ($self) = @_;	1618	my ($self) = @_;
1255		1619
1256	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1259		1623
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1626
…		…
1267	my ($self) = @_;	1631	my ($self) = @_;
1268		1632
1269	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1270	}	1634	}
1271		1635
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1636	sub reset {
1294	my ($self) = @_;	1637	my ($self) = @_;
1295		1638
		1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1640
1296	return if $self->players;	1641	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1298		1643
1299	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1300		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1301	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1302		1659
1303	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1304		1661
1305	$self->unlink_save;	1662	$self->unlink_save;
1306	$self->destroy;	1663	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1310		1667
1311	sub nuke {	1668	sub nuke {
1312	my ($self) = @_;	1669	my ($self) = @_;
1313		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1317	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1318	}	1684	}
1319		1685
1320	sub customise_for {	1686	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1687
1323	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1325	}
1326		1690
1327	$map	1691	=cut
1328	}
1329		1692
1330	sub emergency_save {	1693	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1332		1696
1333	warn "enter emergency map save\n";	1697	my @paths;
1334		1698
1335	cf::sync_job {	1699	for (@$files) {
1336	warn "begin emergency map save\n";	1700	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
1338	};	1705	}
1339		1706
1340	warn "end emergency map save\n";	1707	\@paths
1341	}	1708	}
1342		1709
1343	package cf;	1710	package cf;
1344		1711
1345	=back	1712	=back
1346		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1347		1740
1348	=head3 cf::object::player	1741	=head3 cf::object::player
1349		1742
1350	=over 4	1743	=over 4
1351		1744
…		…
1391		1784
1392	=item $player_object->enter_link	1785	=item $player_object->enter_link
1393		1786
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1788
1396	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1398		1791
		1792	Will never block.
		1793
1399	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1400		1795
1401	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1799	fails, to the emergency map position.
1405		1800
1406	Might block.	1801	Might block.
1407		1802
1408	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1409		1814
1410	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1816	my ($self) = @_;
1412		1817
1413	return if $self->map == $LINK_MAP;	1818	$self->deactivate_recursive;
1414		1819
		1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1821
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1823	if $self->map;
1417		1824
1418	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1826	}
1421		1827
1422	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1424		1830
1425	my $link_pos = delete $self->{_link_pos};	1831	my $link_pos = delete $self->{_link_pos};
1426		1832
1427	unless ($map) {	1833	unless ($map) {
1428	# restore original map position	1834	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1835	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1836	$map = cf::map::find $map;
1431		1837
1432	unless ($map) {	1838	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1839	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1840	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1841	or die "FATAL: cannot load emergency map\n";
1436	}	1842	}
1437	}	1843	}
1438		1844
1439	($x, $y) = (-1, -1)	1845	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1445		1851
1446	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1447		1854
		1855	return unless $self->contr->active;
1448	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1450	}	1860	}
1451		1861
		1862	cf::player->attach (
		1863	on_logout => sub {
		1864	my ($pl) = @_;
		1865
		1866	# abort map switching before logout
		1867	if ($pl->ob->{_link_pos}) {
		1868	cf::sync_job {
		1869	$pl->ob->leave_link
		1870	};
		1871	}
		1872	},
		1873	on_login => sub {
		1874	my ($pl) = @_;
		1875
		1876	# try to abort aborted map switching on player login :)
		1877	# should happen only on crashes
		1878	if ($pl->ob->{_link_pos}) {
		1879	$pl->ob->enter_link;
		1880	(async {
		1881	$pl->ob->reply (undef,
		1882	"There was an internal problem at your last logout, "
		1883	. "the server will try to bring you to your intended destination in a second.",
		1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
		1887	Coro::Timer::sleep 1;
		1888	$pl->ob->leave_link;
		1889	})->prio (2);
		1890	}
		1891	},
		1892	);
		1893
1452	=item $player_object->goto_map ($path, $x, $y)	1894	=item $player_object->goto ($path, $x, $y)
1453		1895
1454	=cut	1896	=cut
1455		1897
1456	sub cf::object::player::goto_map {	1898	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1458		1900
1459	$self->enter_link;	1901	$self->enter_link;
1460		1902
1461	(Coro::async {	1903	(async {
1462	$path = new cf::path $path;	1904	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1905	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1466
1467	warn "entering ", $map->path, " at ($x, $y)\n"
1468	if $map;	1907	$map
1469		1908	} or
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1910
1472	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1912	})->prio (1);
1474	}	1913	}
1475		1914
…		…
1479		1918
1480	sub parse_random_map_params {	1919	sub parse_random_map_params {
1481	my ($spec) = @_;	1920	my ($spec) = @_;
1482		1921
1483	my $rmp = { # defaults	1922	my $rmp = { # defaults
1484	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1486	};	1927	};
1487		1928
1488	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1490		1931
…		…
1494	$rmp	1935	$rmp
1495	}	1936	}
1496		1937
1497	sub prepare_random_map {	1938	sub prepare_random_map {
1498	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1942
1500	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1945	# that depends on the exit object
1503		1946
1504	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1505		1948
1506	if ($exit->map) {	1949	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1511	}	1954	}
1512		1955
1513	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1514		1957
1515	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1961
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1520		1966
1521	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1968	$exit->msg (undef);
1523	}	1969	}
1524	}	1970	}
…		…
1526	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1528		1974
1529	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
1530		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
		1987
1531	$self->enter_link;	1988	$self->enter_link;
1532		1989
1533	(Coro::async {	1990	(async {
		1991	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1992	unless (eval {
1535		1993	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1994
1542	1;	1995	1;
1543	}) {	1996	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2001
1549	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2003	$self->leave_link;
1551	}	2004	}
1552	})->prio (1);	2005	})->prio (1);
…		…
1565		2018
1566	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1568		2021
1569	utf8::encode $text;	2022	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2024	}
1572		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1573		2038
1574	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1575		2040
1576	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1602	on_reply => sub {	2067	on_reply => sub {
1603	my ($ns, $msg) = @_;	2068	my ($ns, $msg) = @_;
1604		2069
1605	# this weird shuffling is so that direct followup queries	2070	# this weird shuffling is so that direct followup queries
1606	# get handled first	2071	# get handled first
1607	my $queue = delete $ns->{query_queue};	2072	my $queue = delete $ns->{query_queue}
		2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2074
1609	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2077
1611	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1612		2079
1613	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2081	if (@$queue) {
…		…
1618	}	2085	}
1619	}	2086	}
1620	},	2087	},
1621	);	2088	);
1622		2089
1623	=item $client->coro (\&cb)	2090	=item $client->async (\&cb)
1624		2091
1625	Create a new coroutine, running the specified callback. The coroutine will	2092	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2093	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2094	or loss of connection).
1628		2095
1629	=cut	2096	=cut
1630		2097
1631	sub cf::client::coro {	2098	sub cf::client::async {
1632	my ($self, $cb) = @_;	2099	my ($self, $cb) = @_;
1633		2100
1634	my $coro; $coro = async {	2101	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2102
1641	$coro->on_destroy (sub {	2103	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2104	delete $self->{_coro}{$coro+0};
1643	});	2105	});
1644		2106
…		…
1677		2139
1678	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1679		2141
1680	=pod	2142	=pod
1681		2143
1682	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1683		2145
1684	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2147	cf::object::player player
1686	cf::player peaceful	2148	cf::player peaceful
1687	cf::map trigger	2149	cf::map trigger
…		…
1780	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2243	using it, it should be unique.
1782		2244
1783	=over 4	2245	=over 4
1784		2246
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
1792		2248
1793	Returns a single value from the database	2249	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2250
1800	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
1801		2252
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2254
1813	=cut	2255	=cut
1814		2256
1815	our $DB;	2257	our $DB;
1816		2258
1817	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
1818	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
1819		2278
1820	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2280	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2282	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2283
1825	my $pid;	2284	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2285	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2286	}
1874	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1875	}	2304	}
1876		2305
1877	#############################################################################	2306	#############################################################################
1878	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
1879		2371
1880	sub cfg_load {	2372	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2374	or return;
1883		2375
1884	local $/;	2376	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
		2378
		2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
		2384	if (exists $CFG{mlockall}) {
		2385	eval {
		2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2387	and die "WARNING: m(un)lockall failed: $!\n";
		2388	};
		2389	warn $@ if $@;
		2390	}
1886	}	2391	}
1887		2392
1888	sub main {	2393	sub main {
1889	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2397	(async {
1893	Event::one_event;	2398	Event::one_event;
1894	})->();	2399	})->prio (Coro::PRIO_MAX);
1895	};	2400	};
1896		2401
1897	cfg_load;	2402	cfg_load;
1898	db_load;	2403	db_init;
1899	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
1900	Event::loop;	2407	Event::loop;
1901	}	2408	}
1902		2409
1903	#############################################################################	2410	#############################################################################
1904	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
1905		2467
1906	sub reload() {	2468	sub reload() {
1907	# can/must only be called in main	2469	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
1910	return;	2472	return;
1911	}	2473	}
1912		2474
1913	warn "reloading...";	2475	warn "reloading...";
1914		2476
1915	local $FREEZE = 1;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
1917		2483
1918	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
1919	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
1920		2488
1921	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2492	}
1925		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
1926	# cancel all extension coros	2505	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2507	%EXT_CORO = ();
1929		2508
1930	# unload all extensions	2509	warn "removing commands";
1931	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2517	warn "... unloading $pkg";
1933	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2524	}
1935		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
1936	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2533
1940	warn "removing <$k>";	2534	warn "... unloading $k";
1941	delete $INC{$k};	2535	delete $INC{$k};
1942		2536
1943	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
1945		2539
…		…
1948	}	2542	}
1949		2543
1950	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
1951	}	2545	}
1952		2546
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2550
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
1966		2553
1967	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2555	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
1970		2557
1971	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
1972	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
1973	require cf;	2561	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2563
1976	# load config and database again	2564	warn "loading config and database again";
1977	cf::cfg_load;	2565	cf::cfg_load;
1978	cf::db_load;
1979		2566
1980	# load extensions
1981	warn "load extensions";	2567	warn "loading extensions";
1982	cf::load_extensions;	2568	cf::load_extensions;
1983		2569
1984	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2571	_global_reattach; # objects, sockets
1986	_global_reattach;	2572	warn "reattaching attachments to maps";
1987	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
1988		2576
1989	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
1990	warn $@;	2584	warn $@;
1991	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
1992	exit 1;	2586	exit 1;
1993	}	2587	};
1994		2588
1995	warn "reloaded successfully";	2589	warn "reloaded";
1996	};	2590	};
1997		2591
1998	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2593
2043	register_command "reload" => sub {	2594	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2045		2596
2046	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2048	reload;	2608	reload;
2049	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2050	}	2612	}
2051	};	2613	};
2052		2614
2053	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2054		2618
2055	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2057	prio => 0,	2622	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2060	cb => sub {	2625	cb => sub {
2061	unless ($FREEZE) {	2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2062	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2067		2651
2068	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2654
2071	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2073	},	2657	},
2074	);	2658	);
2075		2659
		2660	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2077		2662	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2663	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2080	poll => 'r',	2665	poll => 'r',
2081	prio => 5,	2666	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2088	after => 0,	2668	cb => \&BDB::poll_cb,
2089	interval => 10,	2669	);
2090	cb => sub {	2670	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2671
2092	write_runtime	2672	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2706	};
2095	},	2707	}
2096	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
		2724
		2725	END { cf::emergency_save }
2097		2726
2098	1	2727	1
2099		2728

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