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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut	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
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
253		346
254	$coro	347	$coro
255	}	348	}
256		349
257	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
258	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
259		354
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	356	or return;
262		357
		358	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	363	and return;
266		364
		365	# always fsync - this file is important
267	aio_fsync $fh	366	aio_fsync $fh
268	and return;	367	and return;
269		368
270	close $fh	369	close $fh
271	or return;	370	or return;
…		…
274	and return;	373	and return;
275		374
276	1	375	1
277	}	376	}
278		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		392
403	#############################################################################	393	#############################################################################
404		394
405	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
406		396
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	523	our @CB_MAP = ();
534		524
535	my %attachment;	525	my %attachment;
536		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
537	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
539		535
540	use sort 'stable';	536	use sort 'stable';
541		537
…		…
712	# object support	708	# object support
713		709
714	sub reattach {	710	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		715
718	my $registry = $obj->registry;	716	my $registry = $obj->registry;
719		717
720	@$registry = ();	718	@$registry = ();
721		719
…		…
768	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
769		767
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	772	close $fh;
775		773
776	if (@$objs) {	774	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	780	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
784	}	782	}
785	} else {	783	} else {
786	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
853	=cut	851	=cut
854		852
855	sub register_extcmd {	853	sub register_extcmd {
856	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
857		855
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
862	}	857	}
863		858
864	cf::player->attach (	859	cf::player->attach (
865	on_command => sub {	860	on_command => sub {
866	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
879		874
880	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
881		876
882	if (ref $msg) {	877	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	881	}
887	}	882	}
888	} else {	883	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		886
892	cf::override;	887	cf::override;
893	},	888	},
894	);	889	);
895		890
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	891	sub load_extension {
903	my ($path) = @_;	892	my ($path) = @_;
904		893
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	895	my $base = $1;
907	my $pkg = $1;	896	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
910		899
911	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
912		901
913	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
914	or die "$path: $!";	903	or die "$path: $!";
915		904
916	my $source =	905	my $source =
917	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
920	. "\n};\n1";	909	. "\n};\n1";
921		910
922	eval $source	911	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	913	: "extension disabled.\n";
925		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	915	warn $@;
927	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
928		917	exit 1;
929	# no strict 'refs';	918	}
930	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
945		921
946	# remove commands	922	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	}	923	}
971		924
972	sub load_extensions {	925	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	927	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
979	}	932	}
980	}	933	}
981		934
982	#############################################################################	935	#############################################################################
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		936
1020	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1021		938
1022	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1023		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1024	=head3 cf::player	947	=head3 cf::player
1025		948
1026	=over 4	949	=over 4
1027		950
1028	=item cf::player::exists $login	951	=item cf::player::find $login
1029		952
1030	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1031		954
1032	=cut	955	=cut
1033		956
1034	sub cf::player::exists($) {	957	sub playerdir($) {
1035	cf::player::find $_[0]	958	cf::localdir
1036	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])
1037	}	963	}
1038		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1040		1130
1041	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1042		1132
1043	=cut	1133	=cut
1044		1134
1045	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1046	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1047		1137
1048	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1049		1139
1050	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1051	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
1052		1156
1053	=back	1157	=back
1054		1158
1055		1159
1056	=head3 cf::map	1160	=head3 cf::map
…		…
1062	package cf::map;	1166	package cf::map;
1063		1167
1064	use Fcntl;	1168	use Fcntl;
1065	use Coro::AIO;	1169	use Coro::AIO;
1066		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1067	our $MAX_RESET = 7200;	1175	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1176	our $DEFAULT_RESET = 3000;
1069		1177
1070	sub generate_random_map {	1178	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1181	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1323	}
1088		1324
1089	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1090	# all maps in C++...	1326	# all maps in C++...
1091	sub change_all_map_light {	1327	sub change_all_map_light {
1092	my ($change) = @_;	1328	my ($change) = @_;
1093		1329
1094	$_->change_map_light ($change) for values %cf::MAP;	1330	$_->change_map_light ($change)
		1331	for grep $_->outdoor, values %cf::MAP;
1095	}	1332	}
1096		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1097	sub try_load_header($) {	1342	sub load_header_from($) {
1098	my ($path) = @_;	1343	my ($self, $path) = @_;
1099		1344
1100	utf8::encode $path;	1345	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1102	or return;	1350	or return;
1103		1351
1104	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1105	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1106		1398
1107	$map->load_header ($path)	1399	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1400	}
1114		1401
		1402	sub find;
1115	sub find_map {	1403	sub find {
1116	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1117		1405
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1407
		1408	cf::lock_wait "map_find:$path";
		1409
1123	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1124	# do it the slow way	1411	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1412	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;	1413	or return;
1139		1414
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;	1415	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1416
1154	if ($map->should_reset) {	1417	$map->load_header
		1418	or return;
		1419
		1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1423	$map->reset;
1156	$map = find_map $path;	1424	undef $guard;
		1425	return find $path;
1157	}	1426	}
1158		1427
1159	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1160	}	1429	}
1161	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1162		1434
1163	sub load {	1435	sub load {
1164	my ($self) = @_;	1436	my ($self) = @_;
1165		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
		1440	my $path = $self->{path};
		1441	my $guard = cf::lock_acquire "map_load:$path";
		1442
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1444
1168	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1169		1446
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1173	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1452	or return;
1175		1453
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1455	if delete $self->{load_original};
1178		1456
1179	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1458	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1460	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1184	}	1462	}
1185	}	1463	}
		1464
		1465	Coro::cede;
1186		1466
1187	# now do the right thing for maps	1467	# now do the right thing for maps
1188	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1189		1469
1190	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1471	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1197	$self->set_darkness_map;	1475	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1200	$self->activate;	1479	$self->activate;
1201	}	1480	}
1202		1481
		1482	$self->post_load;
		1483
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1485	}
1205		1486
1206	sub load_map_sync {	1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
		1518	}
		1519
		1520	sub find_sync {
1207	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1208		1522
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1523	cf::sync_job { find $path, $origin }
		1524	}
1210		1525
1211	cf::sync_job {	1526	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1527	my ($map) = @_;
1213	or return;	1528
		1529	cf::sync_job { $map->load };
		1530	}
		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
1214	$map->load;	1550	$map->load;
1215	$map	1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
1216	}	1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
1217	}	1560	}
1218		1561
1219	sub save {	1562	sub save {
1220	my ($self) = @_;	1563	my ($self) = @_;
1221		1564
		1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1566
1222	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1223		1568
1224	return unless $self->dirty;	1569	return unless $self->dirty;
1225		1570
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1573
1229	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1230		1575
1231	return if $self->{deny_save};	1576	return if $self->{deny_save};
1232		1577
		1578	local $self->{last_access} = $self->last_access;#d#
		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
1233	if ($uniq) {	1584	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1587	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1589	}
1239	}	1590	}
1240		1591
1241	sub swap_out {	1592	sub swap_out {
1242	my ($self) = @_;	1593	my ($self) = @_;
		1594
		1595	# save first because save cedes
		1596	$self->save;
		1597
		1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1599
1244	return if $self->players;	1600	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1602	return if $self->{deny_save};
1247		1603
1248	$self->save;
1249	$self->clear;	1604	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1605	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1606	}
1252		1607
1253	sub reset_at {	1608	sub reset_at {
1254	my ($self) = @_;	1609	my ($self) = @_;
1255		1610
1256	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1259		1614
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1617
…		…
1267	my ($self) = @_;	1622	my ($self) = @_;
1268		1623
1269	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1270	}	1625	}
1271		1626
1272	sub unlink_save {
1273	my ($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	$self->save;
1291	}
1292
1293	sub reset {	1627	sub reset {
1294	my ($self) = @_;	1628	my ($self) = @_;
1295		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
1296	return if $self->players;	1632	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1298		1634
1299	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1300		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1301	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1302		1650
1303	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1304		1652
1305	$self->unlink_save;	1653	$self->unlink_save;
1306	$self->destroy;	1654	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1310		1658
1311	sub nuke {	1659	sub nuke {
1312	my ($self) = @_;	1660	my ($self) = @_;
1313		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1317	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1318	}	1675	}
1319		1676
1320	sub customise_for {	1677	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1678
1323	if ($map->per_player) {	1679	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1680	instantiated unique items. May block.
1325	}
1326		1681
1327	$map	1682	=cut
1328	}
1329		1683
1330	sub emergency_save {	1684	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
1332		1687
1333	warn "enter emergency map save\n";	1688	my @paths;
1334		1689
1335	cf::sync_job {	1690	for (@$files) {
1336	warn "begin emergency map save\n";	1691	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1338	};	1696	}
1339		1697
1340	warn "end emergency map save\n";	1698	\@paths
1341	}	1699	}
1342		1700
1343	package cf;	1701	package cf;
1344		1702
1345	=back	1703	=back
1346		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1347		1731
1348	=head3 cf::object::player	1732	=head3 cf::object::player
1349		1733
1350	=over 4	1734	=over 4
1351		1735
…		…
1391		1775
1392	=item $player_object->enter_link	1776	=item $player_object->enter_link
1393		1777
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1779
1396	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1398		1782
		1783	Will never block.
		1784
1399	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1400		1786
1401	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1790	fails, to the emergency map position.
1405		1791
1406	Might block.	1792	Might block.
1407		1793
1408	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1409		1805
1410	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1807	my ($self) = @_;
1412		1808
1413	return if $self->map == $LINK_MAP;	1809	$self->deactivate_recursive;
1414		1810
		1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1812
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1814	if $self->map;
1417		1815
1418	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1817	}
1421		1818
1422	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1424		1821
1425	my $link_pos = delete $self->{_link_pos};	1822	my $link_pos = delete $self->{_link_pos};
1426		1823
1427	unless ($map) {	1824	unless ($map) {
1428	# restore original map position	1825	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1826	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1827	$map = cf::map::find $map;
1431		1828
1432	unless ($map) {	1829	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1830	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1831	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1832	or die "FATAL: cannot load emergency map\n";
1436	}	1833	}
1437	}	1834	}
1438		1835
1439	($x, $y) = (-1, -1)	1836	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1445		1842
1446	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1447		1845
		1846	return unless $self->contr->active;
1448	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1450	}	1851	}
1451		1852
		1853	cf::player->attach (
		1854	on_logout => sub {
		1855	my ($pl) = @_;
		1856
		1857	# abort map switching before logout
		1858	if ($pl->ob->{_link_pos}) {
		1859	cf::sync_job {
		1860	$pl->ob->leave_link
		1861	};
		1862	}
		1863	},
		1864	on_login => sub {
		1865	my ($pl) = @_;
		1866
		1867	# try to abort aborted map switching on player login :)
		1868	# should happen only on crashes
		1869	if ($pl->ob->{_link_pos}) {
		1870	$pl->ob->enter_link;
		1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
		1878	Coro::Timer::sleep 1;
		1879	$pl->ob->leave_link;
		1880	})->prio (2);
		1881	}
		1882	},
		1883	);
		1884
1452	=item $player_object->goto_map ($path, $x, $y)	1885	=item $player_object->goto ($path, $x, $y)
1453		1886
1454	=cut	1887	=cut
1455		1888
1456	sub cf::object::player::goto_map {	1889	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1458		1891
1459	$self->enter_link;	1892	$self->enter_link;
1460		1893
1461	(Coro::async {	1894	(async {
1462	$path = new cf::path $path;	1895	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1896	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1466		1898	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1901
1472	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1903	})->prio (1);
1474	}	1904	}
1475		1905
…		…
1479		1909
1480	sub parse_random_map_params {	1910	sub parse_random_map_params {
1481	my ($spec) = @_;	1911	my ($spec) = @_;
1482		1912
1483	my $rmp = { # defaults	1913	my $rmp = { # defaults
1484	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1486	};	1918	};
1487		1919
1488	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1490		1922
…		…
1494	$rmp	1926	$rmp
1495	}	1927	}
1496		1928
1497	sub prepare_random_map {	1929	sub prepare_random_map {
1498	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1933
1500	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1936	# that depends on the exit object
1503		1937
1504	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1505		1939
1506	if ($exit->map) {	1940	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1511	}	1945	}
1512		1946
1513	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1514		1948
1515	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1952
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1520		1957
1521	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1959	$exit->msg (undef);
1523	}	1960	}
1524	}	1961	}
…		…
1526	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1528		1965
1529	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1530		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
		1978
1531	$self->enter_link;	1979	$self->enter_link;
1532		1980
1533	(Coro::async {	1981	(async {
		1982	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1983	unless (eval {
1535		1984	$self->goto ($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		1985
1542	1;	1986	1;
1543	}) {	1987	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1990	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1992
1549	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1994	$self->leave_link;
1551	}	1995	}
1552	})->prio (1);	1996	})->prio (1);
…		…
1565		2009
1566	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1568		2012
1569	utf8::encode $text;	2013	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2015	}
1572		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1573		2029
1574	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1575		2031
1576	Queues a query to the client, calling the given callback with	2032	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>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1602	on_reply => sub {	2058	on_reply => sub {
1603	my ($ns, $msg) = @_;	2059	my ($ns, $msg) = @_;
1604		2060
1605	# this weird shuffling is so that direct followup queries	2061	# this weird shuffling is so that direct followup queries
1606	# get handled first	2062	# get handled first
1607	my $queue = delete $ns->{query_queue};	2063	my $queue = delete $ns->{query_queue}
		2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2065
1609	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2068
1611	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1612		2070
1613	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2072	if (@$queue) {
…		…
1618	}	2076	}
1619	}	2077	}
1620	},	2078	},
1621	);	2079	);
1622		2080
1623	=item $client->coro (\&cb)	2081	=item $client->async (\&cb)
1624		2082
1625	Create a new coroutine, running the specified callback. The coroutine will	2083	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2084	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2085	or loss of connection).
1628		2086
1629	=cut	2087	=cut
1630		2088
1631	sub cf::client::coro {	2089	sub cf::client::async {
1632	my ($self, $cb) = @_;	2090	my ($self, $cb) = @_;
1633		2091
1634	my $coro; $coro = async {	2092	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2093
1641	$coro->on_destroy (sub {	2094	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2095	delete $self->{_coro}{$coro+0};
1643	});	2096	});
1644		2097
…		…
1677		2130
1678	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
1679		2132
1680	=pod	2133	=pod
1681		2134
1682	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
1683		2136
1684	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2138	cf::object::player player
1686	cf::player peaceful	2139	cf::player peaceful
1687	cf::map trigger	2140	cf::map trigger
…		…
1780	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2234	using it, it should be unique.
1782		2235
1783	=over 4	2236	=over 4
1784		2237
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	2238	=item $value = cf::db_get $family => $key
1792		2239
1793	Returns a single value from the database	2240	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		2241
1800	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
1801		2243
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	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		2245
1813	=cut	2246	=cut
1814		2247
1815	our $DB;	2248	our $DB;
1816		2249
1817	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
1818	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
1819		2269
1820	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2271	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2273	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2274
1825	my $pid;	2275	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	}	2276	};
1836	}	2277	}
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	});	2278	}
		2279	}
1848		2280
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {	2281	sub db_get($$) {
1855	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
1860	sub db_put($$;$) {	2292	sub db_put($$$) {
1861	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
1862	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
1863	} else {	2331	} else {
1864	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$info->{smooth}' not found for face '$face'";
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2333	}
1874	);	2334	Coro::cede;
1875	}	2335	}
1876		2336
1877	#############################################################################	2337	1
1878	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
1879		2350
1880	sub cfg_load {	2351	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2353	or return;
1883		2354
1884	local $/;	2355	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2356	*CFG = YAML::Syck::Load <$fh>;
		2357
		2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2359
		2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2362
		2363	if (exists $CFG{mlockall}) {
		2364	eval {
		2365	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2366	and die "WARNING: m(un)lockall failed: $!\n";
		2367	};
		2368	warn $@ if $@;
		2369	}
1886	}	2370	}
1887		2371
1888	sub main {	2372	sub main {
1889	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2376	(async {
1893	Event::one_event;	2377	Event::one_event;
1894	})->();	2378	})->prio (Coro::PRIO_MAX);
1895	};	2379	};
1896		2380
1897	cfg_load;	2381	cfg_load;
1898	db_load;	2382	db_init;
1899	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
1900	Event::loop;	2386	Event::loop;
1901	}	2387	}
1902		2388
1903	#############################################################################	2389	#############################################################################
1904	# initialisation	2390	# initialisation and cleanup
		2391
		2392	# install some emergency cleanup handlers
		2393	BEGIN {
		2394	for my $signal (qw(INT HUP TERM)) {
		2395	Event->signal (
		2396	reentrant => 0,
		2397	data => WF_AUTOCANCEL,
		2398	signal => $signal,
		2399	prio => 0,
		2400	cb => sub {
		2401	cf::cleanup "SIG$signal";
		2402	},
		2403	);
		2404	}
		2405	}
		2406
		2407	sub emergency_save() {
		2408	my $freeze_guard = cf::freeze_mainloop;
		2409
		2410	warn "enter emergency perl save\n";
		2411
		2412	cf::sync_job {
		2413	# use a peculiar iteration method to avoid tripping on perl
		2414	# refcount bugs in for. also avoids problems with players
		2415	# and maps saved/destroyed asynchronously.
		2416	warn "begin emergency player save\n";
		2417	for my $login (keys %cf::PLAYER) {
		2418	my $pl = $cf::PLAYER{$login} or next;
		2419	$pl->valid or next;
		2420	$pl->save;
		2421	}
		2422	warn "end emergency player save\n";
		2423
		2424	warn "begin emergency map save\n";
		2425	for my $path (keys %cf::MAP) {
		2426	my $map = $cf::MAP{$path} or next;
		2427	$map->valid or next;
		2428	$map->save;
		2429	}
		2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
		2435	};
		2436
		2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
		2445	}
1905		2446
1906	sub reload() {	2447	sub reload() {
1907	# can/must only be called in main	2448	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
1910	return;	2451	return;
1911	}	2452	}
1912		2453
1913	warn "reloading...";	2454	warn "reloading...";
1914		2455
1915	local $FREEZE = 1;	2456	warn "entering sync_job";
		2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
1917		2462
1918	eval {	2463	warn "syncing database to disk";
		2464	BDB::db_env_txn_checkpoint $DB_ENV;
		2465
1919	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
1920		2467
1921	# cancel all watchers	2468	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2471	}
1925		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
1926	# cancel all extension coros	2484	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2486	%EXT_CORO = ();
1929		2487
1930	# unload all extensions	2488	warn "removing commands";
1931	for (@exts) {	2489	%COMMAND = ();
		2490
		2491	warn "removing ext commands";
		2492	%EXTCMD = ();
		2493
		2494	warn "unloading/nuking all extensions";
		2495	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2496	warn "... unloading $pkg";
1933	unload_extension $_;	2497
		2498	if (my $cb = $pkg->can ("unload")) {
		2499	eval {
		2500	$cb->($pkg);
		2501	1
		2502	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2503	}
1935		2504
		2505	warn "... nuking $pkg";
		2506	Symbol::delete_package $pkg;
		2507	}
		2508
1936	# unload all modules loaded from $LIBDIR	2509	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2512
1940	warn "removing <$k>";	2513	warn "... unloading $k";
1941	delete $INC{$k};	2514	delete $INC{$k};
1942		2515
1943	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
1945		2518
…		…
1948	}	2521	}
1949		2522
1950	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
1951	}	2524	}
1952		2525
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2526	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2529
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2530	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
1966		2532
1967	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2534	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
1970		2536
1971	# reload cf.pm	2537	warn "unload completed, starting to reload now";
		2538
1972	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
1973	require cf;	2540	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2542
1976	# load config and database again	2543	warn "loading config and database again";
1977	cf::cfg_load;	2544	cf::cfg_load;
1978	cf::db_load;
1979		2545
1980	# load extensions
1981	warn "load extensions";	2546	warn "loading extensions";
1982	cf::load_extensions;	2547	cf::load_extensions;
1983		2548
1984	# reattach attachments to objects	2549	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2550	_global_reattach; # objects, sockets
1986	_global_reattach;	2551	warn "reattaching attachments to maps";
1987	};	2552	reattach $_ for values %MAP;
		2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
1988		2555
1989	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
1990	warn $@;	2563	warn $@;
1991	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
1992	exit 1;	2565	exit 1;
1993	}	2566	};
1994		2567
1995	warn "reloaded successfully";	2568	warn "reloaded";
1996	};	2569	};
1997		2570
1998	#############################################################################	2571	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} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2572
2043	register_command "reload" => sub {	2573	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2045		2575
2046	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2048	reload;	2587	reload;
2049	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2050	}	2591	}
2051	};	2592	};
2052		2593
2053	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2054		2597
2055	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2057	prio => 0,	2601	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2060	cb => sub {	2604	cb => sub {
2061	unless ($FREEZE) {	2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
		2611	$NOW = Event::time;
		2612
2062	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
		2625	$WAIT_FOR_TICK->broadcast;
		2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2067		2630
2068	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2633
2071	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2073	},	2636	},
2074	);	2637	);
2075		2638
		2639	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2077		2641	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2642	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2080	poll => 'r',	2644	poll => 'r',
2081	prio => 5,	2645	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2088	after => 0,	2647	cb => \&BDB::poll_cb,
2089	interval => 10,	2648	);
2090	cb => sub {	2649	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2650
2092	write_runtime	2651	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2685	};
2095	},	2686	}
2096	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
		2703
		2704	END { cf::emergency_save }
2097		2705
2098	1	2706	1
2099		2707

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