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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.230 by root, Mon Apr 2 18:04:46 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 $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		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
160	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
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176		222
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	223	=item cf::lock_wait $string
207		224
208	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
209		226
210	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
211		228
212	Wait until the given lock is available and then acquires it and returns	229	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
215	returned.	232	returned.
216		233
217	Lock names should begin with a unique identifier (for example, cf::map::find	234	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	235	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
238	lock_wait $key;	255	lock_wait $key;
239		256
240	$LOCK{$key} = [];	257	$LOCK{$key} = [];
241		258
242	cf::guard {	259	Coro::guard {
243	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
245	}	262	}
246	}	263	}
247		264
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	265	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
266		267
267	my $guard = guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
334		346
335	$coro	347	$coro
336	}	348	}
337		349
338	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
339	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
340		354
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	356	or return;
343		357
		358	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	363	and return;
347		364
		365	# always fsync - this file is important
348	aio_fsync $fh	366	aio_fsync $fh
349	and return;	367	and return;
350		368
351	close $fh	369	close $fh
352	or return;	370	or return;
…		…
355	and return;	373	and return;
356		374
357	1	375	1
358	}	376	}
359		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
360	=back	389	=back
361		390
362	=cut	391	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		392
484	#############################################################################	393	#############################################################################
485		394
486	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
487		396
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	523	our @CB_MAP = ();
615		524
616	my %attachment;	525	my %attachment;
617		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
618	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
620		535
621	use sort 'stable';	536	use sort 'stable';
622		537
…		…
793	# object support	708	# object support
794		709
795	sub reattach {	710	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		715
799	my $registry = $obj->registry;	716	my $registry = $obj->registry;
800		717
801	@$registry = ();	718	@$registry = ();
802		719
…		…
849	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
850		767
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	772	close $fh;
856		773
857	if (@$objs) {	774	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	780	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
865	}	782	}
866	} else {	783	} else {
867	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
934	=cut	851	=cut
935		852
936	sub register_extcmd {	853	sub register_extcmd {
937	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
938		855
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
943	}	857	}
944		858
945	cf::player->attach (	859	cf::player->attach (
946	on_command => sub {	860	on_command => sub {
947	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
960		874
961	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
962		876
963	if (ref $msg) {	877	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	881	}
968	}	882	}
969	} else {	883	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		886
973	cf::override;	887	cf::override;
974	},	888	},
975	);	889	);
976		890
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	891	sub load_extension {
984	my ($path) = @_;	892	my ($path) = @_;
985		893
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
1006		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	915	warn $@;
1008	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1009		917	exit 1;
1010	# no strict 'refs';	918	}
1011	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	920	}
1026		921
1027	# remove commands	922	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	923	}
1052		924
1053	sub load_extensions {	925	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	927	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1060	}	932	}
1061	}	933	}
1062		934
1063	#############################################################################	935	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		936
1101	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1102		938
1103	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1104		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1105	=head3 cf::player	947	=head3 cf::player
1106		948
1107	=over 4	949	=over 4
1108		950
1109	=item cf::player::exists $login	951	=item cf::player::find $login
1110		952
1111	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1112		954
1113	=cut	955	=cut
1114		956
1115	sub cf::player::exists($) {	957	sub playerdir($) {
1116	cf::player::find $_[0]	958	cf::localdir
1117	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])
		963	}
		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
1118	}	1127	}
1119		1128
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1130
1122	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1123		1132
1124	=cut	1133	=cut
1125		1134
1126	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1128		1137
1129	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1130		1139
1131	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1132	}	1141	}
		1142
		1143	package cf;
1133		1144
1134	=back	1145	=back
1135		1146
1136		1147
1137	=head3 cf::map	1148	=head3 cf::map
…		…
1143	package cf::map;	1154	package cf::map;
1144		1155
1145	use Fcntl;	1156	use Fcntl;
1146	use Coro::AIO;	1157	use Coro::AIO;
1147		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1148	our $MAX_RESET = 3600;	1163	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1164	our $DEFAULT_RESET = 3000;
1150		1165
1151	sub generate_random_map {	1166	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1169	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1311	}
1169		1312
1170	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1171	# all maps in C++...	1314	# all maps in C++...
1172	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1174		1317
1175	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1177	}	1320	}
1178		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1179	sub try_load_header($) {	1330	sub load_header_from($) {
1180	my ($path) = @_;	1331	my ($self, $path) = @_;
1181		1332
1182	utf8::encode $path;	1333	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1184	or return;	1338	or return;
1185		1339
1186	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1187	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1188		1386
1189	$map->load_header ($path)	1387	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1388	}
1196		1389
1197	sub find;	1390	sub find;
1198	sub find {	1391	sub find {
1199	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1200		1393
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1395
1206	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1207		1397
1208	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1210		1400	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1401	or return;
1228		1402
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1241		1404
1242	if ($map->should_reset) {	1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1411	$map->reset;
1244	undef $guard;	1412	undef $guard;
1245	$map = find $path	1413	return find $path;
1246	or return;
1247	}	1414	}
1248		1415
1249	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1250	}	1417	}
1251	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1252		1422
1253	sub load {	1423	sub load {
1254	my ($self) = @_;	1424	my ($self) = @_;
1255		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1256	my $path = $self->{path};	1428	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1258		1430
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1432
1261	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1262		1434
1263	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1264	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1440	or return;
1266		1441
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1443	if delete $self->{load_original};
1269		1444
1270	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1446	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1448	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1275	}	1450	}
1276	}	1451	}
		1452
		1453	Coro::cede;
1277		1454
1278	# now do the right thing for maps	1455	# now do the right thing for maps
1279	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1280		1457
1281	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1459	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1288	$self->set_darkness_map;	1463	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1291	$self->activate;	1467	$self->activate;
1292	}	1468	}
1293		1469
		1470	$self->post_load;
		1471
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
		1473	}
		1474
		1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
1295	}	1506	}
1296		1507
1297	sub find_sync {	1508	sub find_sync {
1298	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1299		1510
1300	cf::sync_job { cf::map::find $path, $origin }	1511	cf::sync_job { find $path, $origin }
1301	}	1512	}
1302		1513
1303	sub do_load_sync {	1514	sub do_load_sync {
1304	my ($map) = @_;	1515	my ($map) = @_;
1305		1516
1306	cf::sync_job { $map->load };	1517	cf::sync_job { $map->load };
1307	}	1518	}
1308		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
		1538	$map->load;
		1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
		1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
		1548	}
		1549
1309	sub save {	1550	sub save {
1310	my ($self) = @_;	1551	my ($self) = @_;
1311		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1312	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1313		1556
1314	return unless $self->dirty;	1557	return unless $self->dirty;
1315		1558
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1561
1319	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1320		1563
1321	return if $self->{deny_save};	1564	return if $self->{deny_save};
1322		1565
1323	local $self->{last_access} = $self->last_access;#d#	1566	local $self->{last_access} = $self->last_access;#d#
1324		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1325	if ($uniq) {	1572	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1575	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1577	}
1331	}	1578	}
1332		1579
1333	sub swap_out {	1580	sub swap_out {
1334	my ($self) = @_;	1581	my ($self) = @_;
1335		1582
1336	# save first because save cedes	1583	# save first because save cedes
1337	$self->save;	1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1587
1339	return if $self->players;	1588	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1590	return if $self->{deny_save};
1342		1591
…		…
1346		1595
1347	sub reset_at {	1596	sub reset_at {
1348	my ($self) = @_;	1597	my ($self) = @_;
1349		1598
1350	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1353		1602
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1605
…		…
1361	my ($self) = @_;	1610	my ($self) = @_;
1362		1611
1363	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1364	}	1613	}
1365		1614
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1615	sub reset {
1388	my ($self) = @_;	1616	my ($self) = @_;
1389		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1390	return if $self->players;	1620	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1392		1622
1393	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1394		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1395	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1396		1638
1397	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1398		1640
1399	$self->unlink_save;	1641	$self->unlink_save;
1400	$self->destroy;	1642	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1404		1646
1405	sub nuke {	1647	sub nuke {
1406	my ($self) = @_;	1648	my ($self) = @_;
1407		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1411	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1412	}	1663	}
1413		1664
1414	sub customise_for {	1665	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1666
1417	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1419	}
1420		1669
1421	$map	1670	=cut
1422	}
1423		1671
1424	sub emergency_save {	1672	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1426		1675
1427	warn "enter emergency map save\n";	1676	my @paths;
1428		1677
1429	cf::sync_job {	1678	for (@$files) {
1430	warn "begin emergency map save\n";	1679	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1432	};	1684	}
1433		1685
1434	warn "end emergency map save\n";	1686	\@paths
1435	}	1687	}
1436		1688
1437	package cf;	1689	package cf;
1438		1690
1439	=back	1691	=back
1440		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1441		1719
1442	=head3 cf::object::player	1720	=head3 cf::object::player
1443		1721
1444	=over 4	1722	=over 4
1445		1723
…		…
1485		1763
1486	=item $player_object->enter_link	1764	=item $player_object->enter_link
1487		1765
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1767
1490	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1492		1770
		1771	Will never block.
		1772
1493	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1494		1774
1495	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1778	fails, to the emergency map position.
1499		1779
1500	Might block.	1780	Might block.
1501		1781
1502	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1503		1793
1504	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1795	my ($self) = @_;
1506		1796
1507	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1508		1798
1509	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1800
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1802	if $self->map;
1513		1803
1514	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1805	}
1516		1806
1517	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1519		1809
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1540		1830
1541	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1542		1833
		1834	return unless $self->contr->active;
1543	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1545	}	1839	}
1546		1840
1547	cf::player->attach (	1841	cf::player->attach (
1548	on_logout => sub {	1842	on_logout => sub {
…		…
1560		1854
1561	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1856	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1565	cf::async {	1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1864	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1865	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1570	};	1868	})->prio (2);
1571	}	1869	}
1572	},	1870	},
1573	);	1871	);
1574		1872
1575	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1576		1874
1577	=cut	1875	=cut
1578		1876
1579	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1581		1879
1582	$self->enter_link;	1880	$self->enter_link;
1583		1881
1584	(cf::async {	1882	(async {
1585	$path = new cf::path $path;	1883	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1884	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1589		1886	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1889
1595	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1891	})->prio (1);
1597	}	1892	}
1598		1893
…		…
1602		1897
1603	sub parse_random_map_params {	1898	sub parse_random_map_params {
1604	my ($spec) = @_;	1899	my ($spec) = @_;
1605		1900
1606	my $rmp = { # defaults	1901	my $rmp = { # defaults
1607	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1609	};	1906	};
1610		1907
1611	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1613		1910
…		…
1617	$rmp	1914	$rmp
1618	}	1915	}
1619		1916
1620	sub prepare_random_map {	1917	sub prepare_random_map {
1621	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1921
1623	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1924	# that depends on the exit object
1626		1925
1627	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1628		1927
1629	if ($exit->map) {	1928	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1634	}	1933	}
1635		1934
1636	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1637		1936
1638	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1940
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1643		1945
1644	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1947	$exit->msg (undef);
1646	}	1948	}
1647	}	1949	}
…		…
1649	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1651		1953
1652	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1653		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
1654	$self->enter_link;	1965	$self->enter_link;
1655		1966
1656	(cf::async {	1967	(async {
1657	$self->deactivate_recursive; # just to be sure	1968	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1969	unless (eval {
1659	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1971
1665	1;	1972	1;
1666	}) {	1973	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1978
1672	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1980	$self->leave_link;
1674	}	1981	}
…		…
1688		1995
1689	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1691		1998
1692	utf8::encode $text;	1999	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2001	}
1695		2002
1696		2003
1697	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1698		2005
…		…
1729	# get handled first	2036	# get handled first
1730	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2039
1733	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2042
1735	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1736		2044
1737	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2046	if (@$queue) {
…		…
1742	}	2050	}
1743	}	2051	}
1744	},	2052	},
1745	);	2053	);
1746		2054
1747	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1748		2056
1749	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2059	or loss of connection).
1752		2060
1753	=cut	2061	=cut
1754		2062
1755	sub cf::client::coro {	2063	sub cf::client::async {
1756	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1757		2065
1758	my $coro = &cf::async ($cb);	2066	my $coro = &Coro::async ($cb);
1759		2067
1760	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1762	});	2070	});
1763		2071
…		…
1796		2104
1797	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
1798		2106
1799	=pod	2107	=pod
1800		2108
1801	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
1802		2110
1803	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
1804	cf::object::player player	2112	cf::object::player player
1805	cf::player peaceful	2113	cf::player peaceful
1806	cf::map trigger	2114	cf::map trigger
…		…
1899	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2208	using it, it should be unique.
1901		2209
1902	=over 4	2210	=over 4
1903		2211
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1911		2213
1912	Returns a single value from the database	2214	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2215
1919	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1920		2217
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2219
1932	=cut	2220	=cut
1933		2221
1934	our $DB;	2222	our $DB;
1935		2223
1936	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1937	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1938		2243
1939	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2248
1943	my $pid;	2249	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2250	};
1953	}	2251	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	2252	}
		2253	}
1965		2254
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {	2255	sub db_get($$) {
1972	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1977	sub db_put($$;$) {	2266	sub db_put($$$) {
1978	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1979	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_facedata {
		2275	my $path = sprintf "%s/facedata", cf::datadir;
		2276
		2277	warn "loading facedata from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2296	Coro::cede;
		2297	}
		2298
		2299	while (my ($face, $info) = each %$faces) {
		2300	next unless $info->{smooth};
		2301	my $idx = cf::face::find $face
		2302	or next;
		2303	if (my $smooth = cf::face::find $info->{smooth}) {
		2304	cf::face::set_smooth $idx, $smooth;
1980	} else {	2305	} else {
1981	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2307	}
1991	);	2308	Coro::cede;
1992	}	2309	}
1993		2310
1994	#############################################################################	2311	1
1995	# the server's main()	2312	}
		2313
		2314	sub reload_resources {
		2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2316	or die "unable to load regions file\n";#d#
		2317	load_facedata
		2318	or die "unable to load facedata\n";#d#
		2319	}
		2320
		2321	sub init {
		2322	reload_resources;
		2323	}
1996		2324
1997	sub cfg_load {	2325	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2327	or return;
2000		2328
2001	local $/;	2329	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2330	*CFG = YAML::Syck::Load <$fh>;
2003		2331
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2333
		2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2336
2006	if (exists $CFG{mlockall}) {	2337	if (exists $CFG{mlockall}) {
2007	eval {	2338	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2340	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2341	};
2011	warn $@ if $@;	2342	warn $@ if $@;
2012	}	2343	}
2013	}	2344	}
2014		2345
2015	sub main {	2346	sub main {
2016	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2350	(async {
2020	Event::one_event;	2351	Event::one_event;
2021	})->();	2352	})->prio (Coro::PRIO_MAX);
2022	};	2353	};
2023		2354
2024	cfg_load;	2355	cfg_load;
2025	db_load;	2356	db_init;
2026	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2027	Event::loop;	2360	Event::loop;
2028	}	2361	}
2029		2362
2030	#############################################################################	2363	#############################################################################
2031	# initialisation	2364	# initialisation and cleanup
		2365
		2366	# install some emergency cleanup handlers
		2367	BEGIN {
		2368	for my $signal (qw(INT HUP TERM)) {
		2369	Event->signal (
		2370	reentrant => 0,
		2371	data => WF_AUTOCANCEL,
		2372	signal => $signal,
		2373	prio => 0,
		2374	cb => sub {
		2375	cf::cleanup "SIG$signal";
		2376	},
		2377	);
		2378	}
		2379	}
		2380
		2381	sub emergency_save() {
		2382	my $freeze_guard = cf::freeze_mainloop;
		2383
		2384	warn "enter emergency perl save\n";
		2385
		2386	cf::sync_job {
		2387	# use a peculiar iteration method to avoid tripping on perl
		2388	# refcount bugs in for. also avoids problems with players
		2389	# and maps saved/destroyed asynchronously.
		2390	warn "begin emergency player save\n";
		2391	for my $login (keys %cf::PLAYER) {
		2392	my $pl = $cf::PLAYER{$login} or next;
		2393	$pl->valid or next;
		2394	$pl->save;
		2395	}
		2396	warn "end emergency player save\n";
		2397
		2398	warn "begin emergency map save\n";
		2399	for my $path (keys %cf::MAP) {
		2400	my $map = $cf::MAP{$path} or next;
		2401	$map->valid or next;
		2402	$map->save;
		2403	}
		2404	warn "end emergency map save\n";
		2405
		2406	warn "begin emergency database checkpoint\n";
		2407	BDB::db_env_txn_checkpoint $DB_ENV;
		2408	warn "end emergency database checkpoint\n";
		2409	};
		2410
		2411	warn "leave emergency perl save\n";
		2412	}
		2413
		2414	sub post_cleanup {
		2415	my ($make_core) = @_;
		2416
		2417	warn Carp::longmess "post_cleanup backtrace"
		2418	if $make_core;
		2419	}
2032		2420
2033	sub reload() {	2421	sub reload() {
2034	# can/must only be called in main	2422	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2037	return;	2425	return;
2038	}	2426	}
2039		2427
2040	warn "reloading...";	2428	warn "reloading...";
2041		2429
2042	my $guard = freeze_mainloop;	2430	warn "entering sync_job";
		2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2044		2436
2045	eval {	2437	warn "syncing database to disk";
		2438	BDB::db_env_txn_checkpoint $DB_ENV;
		2439
2046	# if anything goes wrong in here, we should simply crash as we already saved	2440	# if anything goes wrong in here, we should simply crash as we already saved
2047		2441
2048	# cancel all watchers	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2445	}
2052		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2053	# cancel all extension coros	2458	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2460	%EXT_CORO = ();
2056		2461
2057	# unload all extensions	2462	warn "removing commands";
2058	for (@exts) {	2463	%COMMAND = ();
		2464
		2465	warn "removing ext commands";
		2466	%EXTCMD = ();
		2467
		2468	warn "unloading/nuking all extensions";
		2469	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2470	warn "... unloading $pkg";
2060	unload_extension $_;	2471
		2472	if (my $cb = $pkg->can ("unload")) {
		2473	eval {
		2474	$cb->($pkg);
		2475	1
		2476	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2477	}
2062		2478
		2479	warn "... nuking $pkg";
		2480	Symbol::delete_package $pkg;
		2481	}
		2482
2063	# unload all modules loaded from $LIBDIR	2483	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2486
2067	warn "removing <$k>";	2487	warn "... unloading $k";
2068	delete $INC{$k};	2488	delete $INC{$k};
2069		2489
2070	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2072		2492
…		…
2075	}	2495	}
2076		2496
2077	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2078	}	2498	}
2079		2499
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2500	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2503
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2504	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2093		2506
2094	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2508	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2097		2510
2098	# reload cf.pm	2511	warn "unload completed, starting to reload now";
		2512
2099	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2100	require cf;	2514	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2516
2103	# load config and database again	2517	warn "loading config and database again";
2104	cf::cfg_load;	2518	cf::cfg_load;
2105	cf::db_load;
2106		2519
2107	# load extensions
2108	warn "load extensions";	2520	warn "loading extensions";
2109	cf::load_extensions;	2521	cf::load_extensions;
2110		2522
2111	# reattach attachments to objects	2523	warn "reattaching attachments to objects/players";
2112	warn "reattach";	2524	_global_reattach; # objects, sockets
2113	_global_reattach;	2525	warn "reattaching attachments to maps";
2114	};	2526	reattach $_ for values %MAP;
		2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2115		2529
2116	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2117	warn $@;	2537	warn $@;
2118	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2119	exit 1;	2539	exit 1;
2120	}	2540	};
2121		2541
2122	warn "reloaded successfully";	2542	warn "reloaded";
2123	};	2543	};
2124		2544
2125	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2546
2170	register_command "reload" => sub {	2547	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2172		2549
2173	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2551	$who->message ("reloading server.");
		2552
		2553	# doing reload synchronously and two reloads happen back-to-back,
		2554	# coro crashes during coro_state_free->destroy here.
		2555
		2556	$RELOAD_WATCHER ||= Event->timer (
		2557	reentrant => 0,
		2558	after => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => sub {
2175	reload;	2561	reload;
2176	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2177	}	2565	}
2178	};	2566	};
2179		2567
2180	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2181		2571
2182	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2184	prio => 0,	2575	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2187	cb => sub {	2578	cb => sub {
		2579	if ($Coro::current != $Coro::main) {
		2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2581	unless ++$bug_warning > 10;
		2582	return;
		2583	}
		2584
		2585	$NOW = Event::time;
		2586
2188	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2589	$NEXT_TICK += $TICK;
		2590
		2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2592	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2593	Coro::async_pool {
		2594	write_runtime
		2595	or warn "ERROR: unable to write runtime file: $!";
		2596	};
		2597	}
		2598
		2599	$WAIT_FOR_TICK->broadcast;
		2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2601
		2602	# my $AFTER = Event::time;
		2603	# warn $AFTER - $NOW;#d#
2191		2604
2192	# if we are delayed by four ticks or more, skip them all	2605	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2607
2195	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2197	},	2610	},
2198	);	2611	);
2199		2612
		2613	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2201		2615	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2616	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2204	poll => 'r',	2618	poll => 'r',
2205	prio => 5,	2619	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2212	after => 0,	2621	cb => \&BDB::poll_cb,
2213	interval => 10,	2622	);
2214	cb => sub {	2623	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2624
2216	write_runtime	2625	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2626	my $status;
		2627	my $current = $Coro::current;
		2628	(
		2629	sub {
		2630	$status = $!;
		2631	$current->ready; undef $current;
		2632	},
		2633	sub {
		2634	Coro::schedule while defined $current;
		2635	$! = $status;
		2636	},
		2637	)
		2638	};
		2639
		2640	unless ($DB_ENV) {
		2641	$DB_ENV = BDB::db_env_create;
		2642
		2643	cf::sync_job {
		2644	eval {
		2645	BDB::db_env_open
		2646	$DB_ENV,
		2647	$BDB_ENV_DIR,
		2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2650	0666;
		2651
		2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2653
		2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2655	$DB_ENV->set_lk_detect;
		2656	};
		2657
		2658	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2659	};
2219	},	2660	}
2220	);	2661	}
		2662
		2663	{
		2664	IO::AIO::min_parallel 8;
		2665
		2666	undef $Coro::AIO::WATCHER;
		2667	IO::AIO::max_poll_time $TICK * 0.1;
		2668	$AIO_POLL_WATCHER = Event->io (
		2669	reentrant => 0,
		2670	data => WF_AUTOCANCEL,
		2671	fd => IO::AIO::poll_fileno,
		2672	poll => 'r',
		2673	prio => 6,
		2674	cb => \&IO::AIO::poll_cb,
		2675	);
		2676	}
2221		2677
2222	END { cf::emergency_save }	2678	END { cf::emergency_save }
2223		2679
2224	1	2680	1
2225		2681

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