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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 1.231 by root, Wed Apr 4 00:02:06 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	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1052		1160
1053	=back	1161	=back
1054		1162
1055		1163
1056	=head3 cf::map	1164	=head3 cf::map
…		…
1062	package cf::map;	1170	package cf::map;
1063		1171
1064	use Fcntl;	1172	use Fcntl;
1065	use Coro::AIO;	1173	use Coro::AIO;
1066		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1067	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1069		1181
1070	sub generate_random_map {	1182	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1185	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1327	}
1088		1328
1089	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1090	# all maps in C++...	1330	# all maps in C++...
1091	sub change_all_map_light {	1331	sub change_all_map_light {
1092	my ($change) = @_;	1332	my ($change) = @_;
1093		1333
1094	$_->change_map_light ($change) for values %cf::MAP;	1334	$_->change_map_light ($change)
		1335	for grep $_->outdoor, values %cf::MAP;
1095	}	1336	}
1096		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1097	sub try_load_header($) {	1346	sub load_header_from($) {
1098	my ($path) = @_;	1347	my ($self, $path) = @_;
1099		1348
1100	utf8::encode $path;	1349	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1102	or return;	1354	or return;
1103		1355
1104	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1105	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1106		1402
1107	$map->load_header ($path)	1403	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1404	}
1114		1405
		1406	sub find;
1115	sub find_map {	1407	sub find {
1116	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1117		1409
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1411
		1412	cf::lock_wait "map_find:$path";
		1413
1123	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1124	# do it the slow way	1415	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1416	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;	1417	or return;
1139		1418
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;	1419	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1420
1154	if ($map->should_reset) {	1421	$map->load_header
		1422	or return;
		1423
		1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1427	$map->reset;
1156	$map = find_map $path;	1428	undef $guard;
		1429	return find $path;
1157	}	1430	}
1158		1431
1159	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1160	}	1433	}
1161	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1162		1438
1163	sub load {	1439	sub load {
1164	my ($self) = @_;	1440	my ($self) = @_;
1165		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
		1444	my $path = $self->{path};
		1445	my $guard = cf::lock_acquire "map_load:$path";
		1446
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1448
1168	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1169		1450
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1173	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1456	or return;
1175		1457
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1459	if delete $self->{load_original};
1178		1460
1179	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1462	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1464	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1184	}	1466	}
1185	}	1467	}
		1468
		1469	Coro::cede;
1186		1470
1187	# now do the right thing for maps	1471	# now do the right thing for maps
1188	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1189		1473
1190	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1475	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1197	$self->set_darkness_map;	1479	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1200	$self->activate;	1483	$self->activate;
1201	}	1484	}
1202		1485
		1486	$self->post_load;
		1487
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1489	}
1205		1490
1206	sub load_map_sync {	1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
		1522	}
		1523
		1524	sub find_sync {
1207	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1208		1526
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1527	cf::sync_job { find $path, $origin }
		1528	}
1210		1529
1211	cf::sync_job {	1530	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1531	my ($map) = @_;
1213	or return;	1532
		1533	cf::sync_job { $map->load };
		1534	}
		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
1214	$map->load;	1554	$map->load;
1215	$map	1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
1216	}	1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
1217	}	1564	}
1218		1565
1219	sub save {	1566	sub save {
1220	my ($self) = @_;	1567	my ($self) = @_;
1221		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1570
1222	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1223		1572
1224	return unless $self->dirty;	1573	return unless $self->dirty;
1225		1574
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1577
1229	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1230		1579
1231	return if $self->{deny_save};	1580	return if $self->{deny_save};
1232		1581
		1582	local $self->{last_access} = $self->last_access;#d#
		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1233	if ($uniq) {	1588	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1591	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1593	}
1239	}	1594	}
1240		1595
1241	sub swap_out {	1596	sub swap_out {
1242	my ($self) = @_;	1597	my ($self) = @_;
		1598
		1599	# save first because save cedes
		1600	$self->save;
		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1603
1244	return if $self->players;	1604	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1606	return if $self->{deny_save};
1247		1607
1248	$self->save;
1249	$self->clear;	1608	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1609	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1610	}
1252		1611
1253	sub reset_at {	1612	sub reset_at {
1254	my ($self) = @_;	1613	my ($self) = @_;
1255		1614
1256	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1259		1618
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1621
…		…
1267	my ($self) = @_;	1626	my ($self) = @_;
1268		1627
1269	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1270	}	1629	}
1271		1630
1272	sub unlink_save {
1273	my ($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	$self->save;
1291	}
1292
1293	sub reset {	1631	sub reset {
1294	my ($self) = @_;	1632	my ($self) = @_;
1295		1633
		1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1635
1296	return if $self->players;	1636	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1298		1638
1299	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1300		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1301	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1302		1654
1303	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1304		1656
1305	$self->unlink_save;	1657	$self->unlink_save;
1306	$self->destroy;	1658	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1310		1662
1311	sub nuke {	1663	sub nuke {
1312	my ($self) = @_;	1664	my ($self) = @_;
1313		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1317	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1318	}	1679	}
1319		1680
1320	sub customise_for {	1681	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1682
1323	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1325	}
1326		1685
1327	$map	1686	=cut
1328	}
1329		1687
1330	sub emergency_save {	1688	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1332		1691
1333	warn "enter emergency map save\n";	1692	my @paths;
1334		1693
1335	cf::sync_job {	1694	for (@$files) {
1336	warn "begin emergency map save\n";	1695	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1338	};	1700	}
1339		1701
1340	warn "end emergency map save\n";	1702	\@paths
1341	}	1703	}
1342		1704
1343	package cf;	1705	package cf;
1344		1706
1345	=back	1707	=back
1346		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1347		1735
1348	=head3 cf::object::player	1736	=head3 cf::object::player
1349		1737
1350	=over 4	1738	=over 4
1351		1739
…		…
1391		1779
1392	=item $player_object->enter_link	1780	=item $player_object->enter_link
1393		1781
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1783
1396	The player should be reaosnably safe there for short amounts of time. You	1784	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.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1398		1786
		1787	Will never block.
		1788
1399	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1400		1790
1401	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1794	fails, to the emergency map position.
1405		1795
1406	Might block.	1796	Might block.
1407		1797
1408	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1409		1809
1410	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1811	my ($self) = @_;
1412		1812
1413	return if $self->map == $LINK_MAP;	1813	$self->deactivate_recursive;
1414		1814
		1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1816
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1818	if $self->map;
1417		1819
1418	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1821	}
1421		1822
1422	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1424		1825
1425	my $link_pos = delete $self->{_link_pos};	1826	my $link_pos = delete $self->{_link_pos};
1426		1827
1427	unless ($map) {	1828	unless ($map) {
1428	# restore original map position	1829	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1830	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1831	$map = cf::map::find $map;
1431		1832
1432	unless ($map) {	1833	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1834	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1835	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1836	or die "FATAL: cannot load emergency map\n";
1436	}	1837	}
1437	}	1838	}
1438		1839
1439	($x, $y) = (-1, -1)	1840	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1445		1846
1446	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1447		1849
		1850	return unless $self->contr->active;
1448	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1450	}	1855	}
1451		1856
		1857	cf::player->attach (
		1858	on_logout => sub {
		1859	my ($pl) = @_;
		1860
		1861	# abort map switching before logout
		1862	if ($pl->ob->{_link_pos}) {
		1863	cf::sync_job {
		1864	$pl->ob->leave_link
		1865	};
		1866	}
		1867	},
		1868	on_login => sub {
		1869	my ($pl) = @_;
		1870
		1871	# try to abort aborted map switching on player login :)
		1872	# should happen only on crashes
		1873	if ($pl->ob->{_link_pos}) {
		1874	$pl->ob->enter_link;
		1875	(async {
		1876	$pl->ob->reply (undef,
		1877	"There was an internal problem at your last logout, "
		1878	. "the server will try to bring you to your intended destination in a second.",
		1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
		1882	Coro::Timer::sleep 1;
		1883	$pl->ob->leave_link;
		1884	})->prio (2);
		1885	}
		1886	},
		1887	);
		1888
1452	=item $player_object->goto_map ($path, $x, $y)	1889	=item $player_object->goto ($path, $x, $y)
1453		1890
1454	=cut	1891	=cut
1455		1892
1456	sub cf::object::player::goto_map {	1893	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1458		1895
1459	$self->enter_link;	1896	$self->enter_link;
1460		1897
1461	(Coro::async {	1898	(async {
1462	$path = new cf::path $path;	1899	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1900	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1466		1902	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1905
1472	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1907	})->prio (1);
1474	}	1908	}
1475		1909
…		…
1479		1913
1480	sub parse_random_map_params {	1914	sub parse_random_map_params {
1481	my ($spec) = @_;	1915	my ($spec) = @_;
1482		1916
1483	my $rmp = { # defaults	1917	my $rmp = { # defaults
1484	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1486	};	1922	};
1487		1923
1488	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1490		1926
…		…
1494	$rmp	1930	$rmp
1495	}	1931	}
1496		1932
1497	sub prepare_random_map {	1933	sub prepare_random_map {
1498	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1937
1500	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1940	# that depends on the exit object
1503		1941
1504	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1505		1943
1506	if ($exit->map) {	1944	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1511	}	1949	}
1512		1950
1513	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1514		1952
1515	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1956
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1520		1961
1521	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1963	$exit->msg (undef);
1523	}	1964	}
1524	}	1965	}
…		…
1526	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1528		1969
1529	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1530		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
		1980
1531	$self->enter_link;	1981	$self->enter_link;
1532		1982
1533	(Coro::async {	1983	(async {
		1984	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1985	unless (eval {
1535		1986	$self->goto ($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		1987
1542	1;	1988	1;
1543	}) {	1989	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1994
1549	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1996	$self->leave_link;
1551	}	1997	}
…		…
1565		2011
1566	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1568		2014
1569	utf8::encode $text;	2015	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2017	}
1572		2018
1573		2019
1574	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1575		2021
…		…
1602	on_reply => sub {	2048	on_reply => sub {
1603	my ($ns, $msg) = @_;	2049	my ($ns, $msg) = @_;
1604		2050
1605	# this weird shuffling is so that direct followup queries	2051	# this weird shuffling is so that direct followup queries
1606	# get handled first	2052	# get handled first
1607	my $queue = delete $ns->{query_queue};	2053	my $queue = delete $ns->{query_queue}
		2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2055
1609	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2058
1611	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1612		2060
1613	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2062	if (@$queue) {
…		…
1618	}	2066	}
1619	}	2067	}
1620	},	2068	},
1621	);	2069	);
1622		2070
1623	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1624		2072
1625	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2075	or loss of connection).
1628		2076
1629	=cut	2077	=cut
1630		2078
1631	sub cf::client::coro {	2079	sub cf::client::async {
1632	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1633		2081
1634	my $coro; $coro = async {	2082	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2083
1641	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1643	});	2086	});
1644		2087
…		…
1677		2120
1678	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1679		2122
1680	=pod	2123	=pod
1681		2124
1682	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1683		2126
1684	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2128	cf::object::player player
1686	cf::player peaceful	2129	cf::player peaceful
1687	cf::map trigger	2130	cf::map trigger
…		…
1780	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2224	using it, it should be unique.
1782		2225
1783	=over 4	2226	=over 4
1784		2227
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	2228	=item $value = cf::db_get $family => $key
1792		2229
1793	Returns a single value from the database	2230	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		2231
1800	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1801		2233
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	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		2235
1813	=cut	2236	=cut
1814		2237
1815	our $DB;	2238	our $DB;
1816		2239
1817	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1818	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1819		2259
1820	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2263	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2264
1825	my $pid;	2265	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	}	2266	};
1836	}	2267	}
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	});	2268	}
		2269	}
1848		2270
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {	2271	sub db_get($$) {
1855	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1860	sub db_put($$;$) {	2282	sub db_put($$$) {
1861	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1862	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1863	} else {	2321	} else {
1864	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$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	},	2323	}
1874	);	2324	Coro::cede;
1875	}	2325	}
1876		2326
1877	#############################################################################	2327	1
1878	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1879		2340
1880	sub cfg_load {	2341	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2343	or return;
1883		2344
1884	local $/;	2345	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2346	*CFG = YAML::Syck::Load <$fh>;
		2347
		2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2349
		2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2352
		2353	if (exists $CFG{mlockall}) {
		2354	eval {
		2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2356	and die "WARNING: m(un)lockall failed: $!\n";
		2357	};
		2358	warn $@ if $@;
		2359	}
1886	}	2360	}
1887		2361
1888	sub main {	2362	sub main {
1889	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2366	(async {
1893	Event::one_event;	2367	Event::one_event;
1894	})->();	2368	})->prio (Coro::PRIO_MAX);
1895	};	2369	};
1896		2370
1897	cfg_load;	2371	cfg_load;
1898	db_load;	2372	db_init;
1899	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
1900	Event::loop;	2376	Event::loop;
1901	}	2377	}
1902		2378
1903	#############################################################################	2379	#############################################################################
1904	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
1905		2436
1906	sub reload() {	2437	sub reload() {
1907	# can/must only be called in main	2438	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
1910	return;	2441	return;
1911	}	2442	}
1912		2443
1913	warn "reloading...";	2444	warn "reloading...";
1914		2445
1915	local $FREEZE = 1;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
1917		2452
1918	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
1919	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
1920		2457
1921	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2461	}
1925		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
1926	# cancel all extension coros	2474	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2476	%EXT_CORO = ();
1929		2477
1930	# unload all extensions	2478	warn "removing commands";
1931	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2486	warn "... unloading $pkg";
1933	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2493	}
1935		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
1936	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2502
1940	warn "removing <$k>";	2503	warn "... unloading $k";
1941	delete $INC{$k};	2504	delete $INC{$k};
1942		2505
1943	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
1945		2508
…		…
1948	}	2511	}
1949		2512
1950	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
1951	}	2514	}
1952		2515
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2519
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
1966		2522
1967	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2524	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
1970		2526
1971	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
1972	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
1973	require cf;	2530	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2532
1976	# load config and database again	2533	warn "loading config and database again";
1977	cf::cfg_load;	2534	cf::cfg_load;
1978	cf::db_load;
1979		2535
1980	# load extensions
1981	warn "load extensions";	2536	warn "loading extensions";
1982	cf::load_extensions;	2537	cf::load_extensions;
1983		2538
1984	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2540	_global_reattach; # objects, sockets
1986	_global_reattach;	2541	warn "reattaching attachments to maps";
1987	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
1988		2545
1989	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
1990	warn $@;	2553	warn $@;
1991	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
1992	exit 1;	2555	exit 1;
1993	}	2556	};
1994		2557
1995	warn "reloaded successfully";	2558	warn "reloaded";
1996	};	2559	};
1997		2560
1998	#############################################################################	2561	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} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2562
2043	register_command "reload" => sub {	2563	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2045		2565
2046	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2048	reload;	2577	reload;
2049	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2050	}	2581	}
2051	};	2582	};
2052		2583
2053	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2054		2587
2055	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2057	prio => 0,	2591	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2060	cb => sub {	2594	cb => sub {
2061	unless ($FREEZE) {	2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2062	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2067		2620
2068	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2623
2071	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2073	},	2626	},
2074	);	2627	);
2075		2628
		2629	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2077		2631	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2632	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2080	poll => 'r',	2634	poll => 'r',
2081	prio => 5,	2635	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2088	after => 0,	2637	cb => \&BDB::poll_cb,
2089	interval => 10,	2638	);
2090	cb => sub {	2639	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2640
2092	write_runtime	2641	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2675	};
2095	},	2676	}
2096	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
		2693
		2694	END { cf::emergency_save }
2097		2695
2098	1	2696	1
2099		2697

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