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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut	223	=item cf::lock_wait $string
180		224
181	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
183	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
184	}	249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	296	=cut
198		297
199	sub sync_job(&) {	298	sub sync_job(&) {
200	my ($job) = @_;	299	my ($job) = @_;
201		300
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
212	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
215	while ($busy) {	318	while ($busy) {
216	Coro::cede_notself;	319	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	320	}
		321
		322	wantarray ? @res : $res[0]
219	} else {	323	} else {
220	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
221	}	327	}
222
223	wantarray ? @res : $res[0]
224	}	328	}
225		329
226	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
227		331
228	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
230		334
231	=cut	335	=cut
232		336
233	sub coro(&) {	337	sub async_ext(&) {
234	my $cb = shift;	338	my $cb = shift;
235		339
236	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		341
243	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
245	});	344	});
246	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
247		346
248	$coro	347	$coro
249	}	348	}
250		349
251	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
252	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
253		354
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	356	or return;
256		357
257	my $value = $cf::RUNTIME;	358	my $value = $cf::RUNTIME + 90 + 10;
		359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	363	and return;
260		364
		365	# always fsync - this file is important
261	aio_fsync $fh	366	aio_fsync $fh
262	and return;	367	and return;
263		368
264	close $fh	369	close $fh
265	or return;	370	or return;
…		…
268	and return;	373	and return;
269		374
270	1	375	1
271	}	376	}
272		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
273	=back	389	=back
274		390
275	=cut	391	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		392
387	#############################################################################	393	#############################################################################
388		394
389	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
390		396
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	523	our @CB_MAP = ();
518		524
519	my %attachment;	525	my %attachment;
520		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
521	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
523		535
524	use sort 'stable';	536	use sort 'stable';
525		537
…		…
696	# object support	708	# object support
697		709
698	sub reattach {	710	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		715
702	my $registry = $obj->registry;	716	my $registry = $obj->registry;
703		717
704	@$registry = ();	718	@$registry = ();
705		719
…		…
752	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
753		767
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	772	close $fh;
759		773
760	if (@$objs) {	774	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	780	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
768	}	782	}
769	} else {	783	} else {
770	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
798	or return;	812	or return;
799		813
800	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
802	or return;	816	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
804	}	818	}
805		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	822	return ($data, $av);
807	}	823	}
808		824
809	#############################################################################	825	#############################################################################
810	# command handling &c	826	# command handling &c
…		…
835	=cut	851	=cut
836		852
837	sub register_extcmd {	853	sub register_extcmd {
838	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
839		855
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
844	}	857	}
845		858
846	cf::player->attach (	859	cf::player->attach (
847	on_command => sub {	860	on_command => sub {
848	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
861		874
862	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
863		876
864	if (ref $msg) {	877	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	881	}
869	}	882	}
870	} else {	883	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		886
874	cf::override;	887	cf::override;
875	},	888	},
876	);	889	);
877		890
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	891	sub load_extension {
885	my ($path) = @_;	892	my ($path) = @_;
886		893
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	895	my $base = $1;
889	my $pkg = $1;	896	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
892		899
893	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
894		901
895	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
896	or die "$path: $!";	903	or die "$path: $!";
897		904
898	my $source =	905	my $source =
899	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
902	. "\n};\n1";	909	. "\n};\n1";
903		910
904	eval $source	911	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	913	: "extension disabled.\n";
907		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	915	warn $@;
909	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
910		917	exit 1;
911	# no strict 'refs';	918	}
912	# @{"$pkg\::ISA"} = ext::;	919	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	920	}
927		921
928	# remove commands	922	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	923	}
953		924
954	sub load_extensions {	925	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	927	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
961	}	932	}
962	}	933	}
963		934
964	#############################################################################	935	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		936
1002	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1003		938
1004	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1005		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1006	=head3 cf::player	947	=head3 cf::player
1007		948
1008	=over 4	949	=over 4
1009		950
1010	=item cf::player::exists $login	951	=item cf::player::find $login
1011		952
1012	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1013		954
1014	=cut	955	=cut
1015		956
1016	sub cf::player::exists($) {	957	sub playerdir($) {
1017	cf::player::find $_[0]	958	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1019	}	963	}
1020		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/playerdata"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1022		1137
1023	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1024		1139
1025	=cut	1140	=cut
1026		1141
1027	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1029		1144
1030	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1031		1146
1032	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1033	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1034		1163
1035	=back	1164	=back
1036		1165
1037		1166
1038	=head3 cf::map	1167	=head3 cf::map
…		…
1044	package cf::map;	1173	package cf::map;
1045		1174
1046	use Fcntl;	1175	use Fcntl;
1047	use Coro::AIO;	1176	use Coro::AIO;
1048		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1049	our $MAX_RESET = 7200;	1182	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1183	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1184
1054	sub generate_random_map {	1185	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1188	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1330	}
1072		1331
1073	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1074	# all maps in C++...	1333	# all maps in C++...
1075	sub change_all_map_light {	1334	sub change_all_map_light {
1076	my ($change) = @_;	1335	my ($change) = @_;
1077		1336
1078	$_->change_map_light ($change) for values %cf::MAP;	1337	$_->change_map_light ($change)
		1338	for grep $_->outdoor, values %cf::MAP;
1079	}	1339	}
1080		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1081	sub try_load_header($) {	1349	sub load_header_from($) {
1082	my ($path) = @_;	1350	my ($self, $path) = @_;
1083		1351
1084	utf8::encode $path;	1352	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1086	or return;	1357	or return;
1087		1358
1088	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1089	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1090		1405
1091	$map->load_header ($path)	1406	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1407	}
1099		1408
		1409	sub find;
1100	sub find_map {	1410	sub find {
1101	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1102		1412
1103	#warn "find_map<$path,$origin>\n";#d#	1413	$path = normalise $path, $origin && $origin->path;
1104		1414
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1415	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1416
1108	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1109	# do it the slow way	1418	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1419	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1420	or return;
1124		1421
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1422	$map->{last_save} = $cf::RUNTIME;
1135		1423
1136	$map->reset if $map->should_reset;	1424	$map->load_header
		1425	or return;
1137		1426
		1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
		1430	$map->reset;
		1431	undef $guard;
		1432	return find $path;
		1433	}
		1434
1138	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1139	}	1436	}
1140	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1141		1441
1142	sub load {	1442	sub load {
1143	my ($self) = @_;	1443	my ($self) = @_;
1144		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
		1447	my $path = $self->{path};
		1448	my $guard = cf::lock_acquire "map_load:$path";
		1449
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1451
1147	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1148		1453
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1152	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1459	or return;
1154		1460
		1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1462	if delete $self->{load_original};
		1463
1155	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1465	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1467	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1160	}	1469	}
1161	}	1470	}
		1471
		1472	Coro::cede;
1162		1473
1163	# now do the right thing for maps	1474	# now do the right thing for maps
1164	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1165		1476
1166	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1478	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1173	$self->set_darkness_map;	1482	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1176	$self->activate;	1486	$self->activate;
1177	}	1487	}
1178		1488
		1489	$self->post_load;
		1490
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1492	}
1181		1493
1182	sub load_map_sync {	1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
		1525	}
		1526
		1527	sub find_sync {
1183	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1184		1529
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1530	cf::sync_job { find $path, $origin }
		1531	}
1186		1532
1187	cf::sync_job {	1533	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1534	my ($map) = @_;
1189	or return;	1535
		1536	cf::sync_job { $map->load };
		1537	}
		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
1190	$map->load;	1557	$map->load;
1191	$map	1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
1192	}	1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
1193	}	1567	}
1194		1568
1195	sub save {	1569	sub save {
1196	my ($self) = @_;	1570	my ($self) = @_;
1197		1571
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1573
1201	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1202		1575
1203	return unless $self->dirty;	1576	return unless $self->dirty;
1204		1577
		1578	my $save = $self->save_path; utf8::encode $save;
		1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1580
1205	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1206		1582
1207	return if $self->{deny_save};	1583	return if $self->{deny_save};
1208		1584
1209	warn "saving map ", $self->path;	1585	local $self->{last_access} = $self->last_access;#d#
		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
1210		1590
1211	if ($uniq) {	1591	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1594	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1596	}
1217	}	1597	}
1218		1598
1219	sub swap_out {	1599	sub swap_out {
1220	my ($self) = @_;	1600	my ($self) = @_;
		1601
		1602	# save first because save cedes
		1603	$self->save;
		1604
		1605	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1606
1222	return if $self->players;	1607	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1609	return if $self->{deny_save};
1225		1610
1226	$self->save;
1227	$self->clear;	1611	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1612	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1613	}
1230		1614
		1615	sub reset_at {
		1616	my ($self) = @_;
		1617
		1618	# TODO: safety, remove and allow resettable per-player maps
		1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1620	return 1e99 if $self->{deny_reset};
		1621
		1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1624
		1625	$time + $to
		1626	}
		1627
1231	sub should_reset {	1628	sub should_reset {
1232	my ($map) = @_;	1629	my ($self) = @_;
1233		1630
1234	# TODO: safety, remove and allow resettable per-player maps	1631	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1632	}
1243		1633
1244	sub reset {	1634	sub reset {
1245	my ($self) = @_;	1635	my ($self) = @_;
1246		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1247	return if $self->players;	1639	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1249		1641
1250	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1251		1643
1252	utf8::encode (my $save = $self->{path}->save_path);	1644	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1645
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
		1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1255		1657
1256	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1257		1659
		1660	$self->unlink_save;
1258	$self->clear;	1661	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1662	}
1262		1663
1263	sub customise_for {	1664	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1665
1266	if ($map->per_player) {	1666	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1667	my ($self) = @_;
1268	}
1269		1668
1270	$map	1669	delete $cf::MAP{$self->path};
1271	}
1272		1670
1273	sub emergency_save {	1671	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1672
1276	warn "enter emergency map save\n";	1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
		1675	$self->{deny_save} = 1;
		1676	$self->reset_timeout (1);
		1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1678
1278	cf::sync_job {	1679	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1680
1280	$_->save for values %cf::MAP;	1681	$self->reset; # polite request, might not happen
		1682	}
		1683
		1684	=item cf::map::unique_maps
		1685
		1686	Returns an arrayref of paths of all shared maps that have
		1687	instantiated unique items. May block.
		1688
		1689	=cut
		1690
		1691	sub unique_maps() {
		1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
		1694
		1695	my @paths;
		1696
		1697	for (@$files) {
		1698	utf8::decode $_;
		1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1281	};	1703	}
1282		1704
1283	warn "end emergency map save\n";	1705	\@paths
1284	}	1706	}
1285		1707
1286	package cf;	1708	package cf;
1287		1709
1288	=back	1710	=back
1289		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1290		1738
1291	=head3 cf::object::player	1739	=head3 cf::object::player
1292		1740
1293	=over 4	1741	=over 4
1294		1742
…		…
1330	(ref $cf::CFG{"may_$access"}	1778	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1779	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1780	: $cf::CFG{"may_$access"})
1333	}	1781	}
1334		1782
		1783	=item $player_object->enter_link
		1784
		1785	Freezes the player and moves him/her to a special map (C<{link}>).
		1786
		1787	The player should be reasonably safe there for short amounts of time. You
		1788	I<MUST> call C<leave_link> as soon as possible, though.
		1789
		1790	Will never block.
		1791
		1792	=item $player_object->leave_link ($map, $x, $y)
		1793
		1794	Moves the player out of the special C<{link}> map onto the specified
		1795	map. If the map is not valid (or omitted), the player will be moved back
		1796	to the location he/she was before the call to C<enter_link>, or, if that
		1797	fails, to the emergency map position.
		1798
		1799	Might block.
		1800
		1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
		1812
1335	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1814	my ($self) = @_;
1337		1815
1338	return if $self->map == $LINK_MAP;	1816	$self->deactivate_recursive;
1339		1817
		1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1819
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1821	if $self->map;
1342		1822
1343	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1824	}
1346		1825
1347	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1349		1828
1350	my $link_pos = delete $self->{_link_pos};	1829	my $link_pos = delete $self->{_link_pos};
1351		1830
1352	unless ($map) {	1831	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1832	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1833	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1834	$map = cf::map::find $map;
1358		1835
1359	unless ($map) {	1836	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1837	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1838	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1839	or die "FATAL: cannot load emergency map\n";
1363	}	1840	}
1364	}	1841	}
1365		1842
1366	($x, $y) = (-1, -1)	1843	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1372		1849
1373	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1374		1852
		1853	return unless $self->contr->active;
1375	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1377	}	1858	}
1378		1859
		1860	cf::player->attach (
		1861	on_logout => sub {
		1862	my ($pl) = @_;
		1863
		1864	# abort map switching before logout
		1865	if ($pl->ob->{_link_pos}) {
		1866	cf::sync_job {
		1867	$pl->ob->leave_link
		1868	};
		1869	}
		1870	},
		1871	on_login => sub {
		1872	my ($pl) = @_;
		1873
		1874	# try to abort aborted map switching on player login :)
		1875	# should happen only on crashes
		1876	if ($pl->ob->{_link_pos}) {
		1877	$pl->ob->enter_link;
		1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
		1885	Coro::Timer::sleep 1;
		1886	$pl->ob->leave_link;
		1887	})->prio (2);
		1888	}
		1889	},
		1890	);
		1891
1379	=item $player_object->goto_map ($map, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1380		1893
1381	=cut	1894	=cut
1382		1895
1383	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1385		1898
1386	$self->enter_link;	1899	$self->enter_link;
1387		1900
1388	(Coro::async {	1901	(async {
1389	$path = new cf::path $path;	1902	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1903	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1905	$map
		1906	} or
		1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1908
1397	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1910	})->prio (1);
1399	}	1911	}
1400		1912
…		…
1404		1916
1405	sub parse_random_map_params {	1917	sub parse_random_map_params {
1406	my ($spec) = @_;	1918	my ($spec) = @_;
1407		1919
1408	my $rmp = { # defaults	1920	my $rmp = { # defaults
1409	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1411	};	1925	};
1412		1926
1413	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1415		1929
…		…
1419	$rmp	1933	$rmp
1420	}	1934	}
1421		1935
1422	sub prepare_random_map {	1936	sub prepare_random_map {
1423	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1940
1425	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1943	# that depends on the exit object
1428		1944
1429	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1430		1946
1431	if ($exit->map) {	1947	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1436	}	1952	}
1437		1953
1438	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1439		1955
1440	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1959
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1445		1964
1446	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1966	$exit->msg (undef);
1448	}	1967	}
1449	}	1968	}
…		…
1451	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1453		1972
1454	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1455		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1456	$self->enter_link;	1986	$self->enter_link;
1457		1987
1458	(Coro::async {	1988	(async {
		1989	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1990	unless (eval {
1460		1991	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		1992
1467	1;	1993	1;
1468	}) {	1994	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1999
1474	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2001	$self->leave_link;
1476	}	2002	}
1477	})->prio (1);	2003	})->prio (1);
…		…
1490		2016
1491	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1493		2019
1494	utf8::encode $text;	2020	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2022	}
1497		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1498		2036
1499	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1500		2038
1501	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1502	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1527	on_reply => sub {	2065	on_reply => sub {
1528	my ($ns, $msg) = @_;	2066	my ($ns, $msg) = @_;
1529		2067
1530	# this weird shuffling is so that direct followup queries	2068	# this weird shuffling is so that direct followup queries
1531	# get handled first	2069	# get handled first
1532	my $queue = delete $ns->{query_queue};	2070	my $queue = delete $ns->{query_queue}
		2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2072
1534	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2075
1536	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1537		2077
1538	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2079	if (@$queue) {
…		…
1543	}	2083	}
1544	}	2084	}
1545	},	2085	},
1546	);	2086	);
1547		2087
1548	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1549		2089
1550	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2092	or loss of connection).
1553		2093
1554	=cut	2094	=cut
1555		2095
1556	sub cf::client::coro {	2096	sub cf::client::async {
1557	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1558		2098
1559	my $coro; $coro = async {	2099	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2100
1566	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1568	});	2103	});
1569		2104
…		…
1602		2137
1603	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1604		2139
1605	=pod	2140	=pod
1606		2141
1607	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1608		2143
1609	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1610	cf::object::player player	2145	cf::object::player player
1611	cf::player peaceful	2146	cf::player peaceful
1612	cf::map trigger	2147	cf::map trigger
…		…
1705	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1706	using it, it should be unique.	2241	using it, it should be unique.
1707		2242
1708	=over 4	2243	=over 4
1709		2244
1710	=item $hashref = cf::db_get $family
1711
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1717		2246
1718	Returns a single value from the database	2247	Returns a single value from the database.
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724		2248
1725	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1726		2250
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737		2252
1738	=cut	2253	=cut
1739		2254
1740	our $DB;	2255	our $DB;
1741		2256
1742	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1743	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1744		2276
1745	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1746	warn "loading database $path\n";#d# remove later	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1747	$DB = stat $path ? Storable::retrieve $path : { };	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
1748	}	2280	BDB::db_env_txn_checkpoint $DB_ENV;
1749		2281
1750	my $pid;	2282	unlink $path;
1751
1752	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}	2283	};
1761	}	2284	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});	2285	}
		2286	}
1773		2287
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {	2288	sub db_get($$) {
1780	@_ >= 2	2289	my $key = "$_[0]/$_[1]";
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
1785	sub db_put($$;$) {	2299	sub db_put($$$) {
1786	if (@_ >= 3) {	2300	BDB::dbreq_pri 4;
1787	$DB->{$_[0]}{$_[1]} = $_[2];	2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2302	}
		2303
		2304	#############################################################################
		2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $faces;
		2313	0 < aio_load $path, $faces
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$faces = Storable::thaw $faces;
		2318	Coro::cede;
		2319
		2320	my $meta = delete $faces->{""};
		2321	$meta->{version} == 1
		2322	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2323
		2324	while (my ($face, $info) = each %$faces) {
		2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2329	Coro::cede;
		2330	}
		2331
		2332	while (my ($face, $info) = each %$faces) {
		2333	next unless $info->{smooth};
		2334	my $idx = cf::face::find $face
		2335	or next;
		2336	if (my $smooth = cf::face::find $info->{smooth}) {
		2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
1788	} else {	2338	} else {
1789	$DB->{$_[0]} = $_[1];	2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	2340	}
1799	);	2341	Coro::cede;
1800	}	2342	}
1801		2343
1802	#############################################################################	2344	1
1803	# the server's main()	2345	}
		2346
		2347	sub reload_resources {
		2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2349	or die "unable to load regions file\n";#d#
		2350	load_facedata
		2351	or die "unable to load facedata\n";#d#
		2352	}
		2353
		2354	sub init {
		2355	reload_resources;
		2356	}
1804		2357
1805	sub cfg_load {	2358	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2359	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2360	or return;
1808		2361
1809	local $/;	2362	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2363	*CFG = YAML::Syck::Load <$fh>;
		2364
		2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2366
		2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2369
		2370	if (exists $CFG{mlockall}) {
		2371	eval {
		2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2373	and die "WARNING: m(un)lockall failed: $!\n";
		2374	};
		2375	warn $@ if $@;
		2376	}
1811	}	2377	}
1812		2378
1813	sub main {	2379	sub main {
1814	# we must not ever block the main coroutine	2380	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2381	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2383	(async {
1818	Event::one_event;	2384	Event::one_event;
1819	})->();	2385	})->prio (Coro::PRIO_MAX);
1820	};	2386	};
1821		2387
1822	cfg_load;	2388	cfg_load;
1823	db_load;	2389	db_init;
1824	load_extensions;	2390	load_extensions;
		2391
		2392	$TICK_WATCHER->start;
1825	Event::loop;	2393	Event::loop;
1826	}	2394	}
1827		2395
1828	#############################################################################	2396	#############################################################################
1829	# initialisation	2397	# initialisation and cleanup
1830		2398
		2399	# install some emergency cleanup handlers
		2400	BEGIN {
		2401	for my $signal (qw(INT HUP TERM)) {
		2402	Event->signal (
		2403	reentrant => 0,
		2404	data => WF_AUTOCANCEL,
		2405	signal => $signal,
		2406	prio => 0,
		2407	cb => sub {
		2408	cf::cleanup "SIG$signal";
		2409	},
		2410	);
		2411	}
		2412	}
		2413
		2414	sub emergency_save() {
		2415	my $freeze_guard = cf::freeze_mainloop;
		2416
		2417	warn "enter emergency perl save\n";
		2418
		2419	cf::sync_job {
		2420	# use a peculiar iteration method to avoid tripping on perl
		2421	# refcount bugs in for. also avoids problems with players
		2422	# and maps saved/destroyed asynchronously.
		2423	warn "begin emergency player save\n";
		2424	for my $login (keys %cf::PLAYER) {
		2425	my $pl = $cf::PLAYER{$login} or next;
		2426	$pl->valid or next;
		2427	$pl->save;
		2428	}
		2429	warn "end emergency player save\n";
		2430
		2431	warn "begin emergency map save\n";
		2432	for my $path (keys %cf::MAP) {
		2433	my $map = $cf::MAP{$path} or next;
		2434	$map->valid or next;
		2435	$map->save;
		2436	}
		2437	warn "end emergency map save\n";
		2438
		2439	warn "begin emergency database checkpoint\n";
		2440	BDB::db_env_txn_checkpoint $DB_ENV;
		2441	warn "end emergency database checkpoint\n";
		2442	};
		2443
		2444	warn "leave emergency perl save\n";
		2445	}
		2446
		2447	sub post_cleanup {
		2448	my ($make_core) = @_;
		2449
		2450	warn Carp::longmess "post_cleanup backtrace"
		2451	if $make_core;
		2452	}
		2453
1831	sub perl_reload() {	2454	sub reload() {
1832	# can/must only be called in main	2455	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2456	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2457	warn "can only reload from main coroutine";
1835	return;	2458	return;
1836	}	2459	}
1837		2460
1838	warn "reloading...";	2461	warn "reloading...";
1839		2462
1840	local $FREEZE = 1;	2463	warn "entering sync_job";
		2464
		2465	cf::sync_job {
		2466	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2467	cf::emergency_save;
		2468	cf::write_runtime; # external watchdog should not bark
1842		2469
1843	eval {	2470	warn "syncing database to disk";
		2471	BDB::db_env_txn_checkpoint $DB_ENV;
		2472
1844	# if anything goes wrong in here, we should simply crash as we already saved	2473	# if anything goes wrong in here, we should simply crash as we already saved
1845		2474
1846	# cancel all watchers	2475	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2476	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2477	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2478	}
1850		2479
		2480	warn "flushing outstanding aio requests";
		2481	for (;;) {
		2482	BDB::flush;
		2483	IO::AIO::flush;
		2484	Coro::cede;
		2485	last unless IO::AIO::nreqs || BDB::nreqs;
		2486	warn "iterate...";
		2487	}
		2488
		2489	++$RELOAD;
		2490
1851	# cancel all extension coros	2491	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2492	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2493	%EXT_CORO = ();
1854		2494
1855	# unload all extensions	2495	warn "removing commands";
1856	for (@exts) {	2496	%COMMAND = ();
		2497
		2498	warn "removing ext commands";
		2499	%EXTCMD = ();
		2500
		2501	warn "unloading/nuking all extensions";
		2502	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2503	warn "... unloading $pkg";
1858	unload_extension $_;	2504
		2505	if (my $cb = $pkg->can ("unload")) {
		2506	eval {
		2507	$cb->($pkg);
		2508	1
		2509	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2510	}
1860		2511
		2512	warn "... nuking $pkg";
		2513	Symbol::delete_package $pkg;
		2514	}
		2515
1861	# unload all modules loaded from $LIBDIR	2516	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2517	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2519
1865	warn "removing <$k>";	2520	warn "... unloading $k";
1866	delete $INC{$k};	2521	delete $INC{$k};
1867		2522
1868	$k =~ s/\.pm$//;	2523	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2524	$k =~ s/\//::/g;
1870		2525
…		…
1873	}	2528	}
1874		2529
1875	Symbol::delete_package $k;	2530	Symbol::delete_package $k;
1876	}	2531	}
1877		2532
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2533	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2534	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2536
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2537	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2538	delete $INC{"cf.pm"};
1891		2539
1892	# don't, removes xs symbols, too,	2540	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2541	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2542	#Symbol::delete_package __PACKAGE__;
1895		2543
1896	# reload cf.pm	2544	warn "unload completed, starting to reload now";
		2545
1897	warn "reloading cf.pm";	2546	warn "reloading cf.pm";
1898	require cf;	2547	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2549
1901	# load config and database again	2550	warn "loading config and database again";
1902	cf::cfg_load;	2551	cf::cfg_load;
1903	cf::db_load;
1904		2552
1905	# load extensions
1906	warn "load extensions";	2553	warn "loading extensions";
1907	cf::load_extensions;	2554	cf::load_extensions;
1908		2555
1909	# reattach attachments to objects	2556	warn "reattaching attachments to objects/players";
1910	warn "reattach";	2557	_global_reattach; # objects, sockets
1911	_global_reattach;	2558	warn "reattaching attachments to maps";
1912	};	2559	reattach $_ for values %MAP;
		2560	warn "reattaching attachments to players";
		2561	reattach $_ for values %PLAYER;
1913		2562
1914	if ($@) {	2563	warn "loading reloadable resources";
		2564	reload_resources;
		2565
		2566	warn "leaving sync_job";
		2567
		2568	1
		2569	} or do {
1915	warn $@;	2570	warn $@;
1916	warn "error while reloading, exiting.";	2571	warn "error while reloading, exiting.";
1917	exit 1;	2572	exit 1;
1918	}	2573	};
1919		2574
1920	warn "reloaded successfully";	2575	warn "reloaded";
1921	};	2576	};
1922		2577
1923	#############################################################################	2578	our $RELOAD_WATCHER; # used only during reload
1924		2579
1925	unless ($LINK_MAP) {
1926	$LINK_MAP = cf::map::new;
1927
1928	$LINK_MAP->width (41);
1929	$LINK_MAP->height (41);
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2580	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2581	my ($who, $arg) = @_;
1970		2582
1971	if ($who->flag (FLAG_WIZ)) {	2583	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2584	$who->message ("reloading server.");
		2585
		2586	# doing reload synchronously and two reloads happen back-to-back,
		2587	# coro crashes during coro_state_free->destroy here.
		2588
		2589	$RELOAD_WATCHER ||= Event->timer (
		2590	reentrant => 0,
		2591	after => 0,
		2592	data => WF_AUTOCANCEL,
		2593	cb => sub {
		2594	reload;
		2595	undef $RELOAD_WATCHER;
		2596	},
		2597	);
1975	}	2598	}
1976	};	2599	};
1977		2600
1978	unshift @INC, $LIBDIR;	2601	unshift @INC, $LIBDIR;
		2602
		2603	my $bug_warning = 0;
1979		2604
1980	$TICK_WATCHER = Event->timer (	2605	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2606	reentrant => 0,
		2607	parked => 1,
1982	prio => 0,	2608	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2609	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
1985	cb => sub {	2611	cb => sub {
1986	unless ($FREEZE) {	2612	if ($Coro::current != $Coro::main) {
		2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2614	unless ++$bug_warning > 10;
		2615	return;
		2616	}
		2617
		2618	$NOW = Event::time;
		2619
1987	cf::server_tick; # one server iteration	2620	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2621	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2622	$NEXT_TICK += $TICK;
		2623
		2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2625	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2626	Coro::async_pool {
		2627	write_runtime
		2628	or warn "ERROR: unable to write runtime file: $!";
		2629	};
		2630	}
		2631
		2632	$WAIT_FOR_TICK->broadcast;
		2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2634
		2635	# my $AFTER = Event::time;
		2636	# warn $AFTER - $NOW;#d#
1992		2637
1993	# if we are delayed by four ticks or more, skip them all	2638	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2640
1996	$TICK_WATCHER->at ($NEXT_TICK);	2641	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2642	$TICK_WATCHER->start;
1998	},	2643	},
1999	);	2644	);
2000		2645
		2646	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	2647	BDB::max_poll_time $TICK * 0.1;
2002		2648	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	2649	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2650	fd => BDB::poll_fileno,
2005	poll => 'r',	2651	poll => 'r',
2006	prio => 5,	2652	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2013	after => 0,	2654	cb => \&BDB::poll_cb,
2014	interval => 10,	2655	);
2015	cb => sub {	2656	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	2657
2017	write_runtime	2658	BDB::set_sync_prepare {
2018	or warn "ERROR: unable to write runtime file: $!";	2659	my $status;
		2660	my $current = $Coro::current;
		2661	(
		2662	sub {
		2663	$status = $!;
		2664	$current->ready; undef $current;
		2665	},
		2666	sub {
		2667	Coro::schedule while defined $current;
		2668	$! = $status;
		2669	},
		2670	)
		2671	};
		2672
		2673	unless ($DB_ENV) {
		2674	$DB_ENV = BDB::db_env_create;
		2675
		2676	cf::sync_job {
		2677	eval {
		2678	BDB::db_env_open
		2679	$DB_ENV,
		2680	$BDB_ENV_DIR,
		2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2683	0666;
		2684
		2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2686
		2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2688	$DB_ENV->set_lk_detect;
		2689	};
		2690
		2691	cf::cleanup "db_env_open(db): $@" if $@;
2019	})->();	2692	};
2020	},	2693	}
2021	);	2694	}
		2695
		2696	{
		2697	IO::AIO::min_parallel 8;
		2698
		2699	undef $Coro::AIO::WATCHER;
		2700	IO::AIO::max_poll_time $TICK * 0.1;
		2701	$AIO_POLL_WATCHER = Event->io (
		2702	reentrant => 0,
		2703	data => WF_AUTOCANCEL,
		2704	fd => IO::AIO::poll_fileno,
		2705	poll => 'r',
		2706	prio => 6,
		2707	cb => \&IO::AIO::poll_cb,
		2708	);
		2709	}
		2710
		2711	END { cf::emergency_save }
2022		2712
2023	1	2713	1
2024		2714

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