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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 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 $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 $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	223	=item cf::lock_wait $string
209		224
210	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
211		226
212	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
213		228
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
217	returned.	232	returned.
218		233
219	Lock names should begin with a unique identifier (for example, find_map	234	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
221		236
222	=cut	237	=cut
223		238
224	our %LOCK;	239	our %LOCK;
225		240
…		…
239	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
240	lock_wait $key;	255	lock_wait $key;
241		256
242	$LOCK{$key} = [];	257	$LOCK{$key} = [];
243		258
244	cf::guard {	259	Coro::guard {
245	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
247	}	262	}
248	}	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	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
269		304
270	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	306	# (but this is cancel-safe)
272	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		341
313	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
315	});	344	});
316	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
317		346
318	$coro	347	$coro
319	}	348	}
320		349
321	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
322	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
323		354
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	356	or return;
326		357
		358	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	363	and return;
330		364
		365	# always fsync - this file is important
331	aio_fsync $fh	366	aio_fsync $fh
332	and return;	367	and return;
333		368
334	close $fh	369	close $fh
335	or return;	370	or return;
…		…
338	and return;	373	and return;
339		374
340	1	375	1
341	}	376	}
342		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
343	=back	389	=back
344		390
345	=cut	391	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		392
467	#############################################################################	393	#############################################################################
468		394
469	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
470		396
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	523	our @CB_MAP = ();
598		524
599	my %attachment;	525	my %attachment;
600		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
601	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
603		535
604	use sort 'stable';	536	use sort 'stable';
605		537
…		…
776	# object support	708	# object support
777		709
778	sub reattach {	710	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		715
782	my $registry = $obj->registry;	716	my $registry = $obj->registry;
783		717
784	@$registry = ();	718	@$registry = ();
785		719
…		…
832	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
833		767
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	772	close $fh;
839		773
840	if (@$objs) {	774	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	780	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
848	}	782	}
849	} else {	783	} else {
850	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
917	=cut	851	=cut
918		852
919	sub register_extcmd {	853	sub register_extcmd {
920	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
921		855
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
926	}	857	}
927		858
928	cf::player->attach (	859	cf::player->attach (
929	on_command => sub {	860	on_command => sub {
930	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
943		874
944	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
945		876
946	if (ref $msg) {	877	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	881	}
951	}	882	}
952	} else {	883	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		886
956	cf::override;	887	cf::override;
957	},	888	},
958	);	889	);
959		890
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	891	sub load_extension {
967	my ($path) = @_;	892	my ($path) = @_;
968		893
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	895	my $base = $1;
971	my $pkg = $1;	896	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
974		899
975	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
976		901
977	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
978	or die "$path: $!";	903	or die "$path: $!";
979		904
980	my $source =	905	my $source =
981	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
984	. "\n};\n1";	909	. "\n};\n1";
985		910
986	eval $source	911	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	913	: "extension disabled.\n";
989		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	915	warn $@;
991	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
992		917	exit 1;
993	# no strict 'refs';	918	}
994	# @{"$pkg\::ISA"} = ext::;	919	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	920	}
1009		921
1010	# remove commands	922	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	923	}
1035		924
1036	sub load_extensions {	925	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	927	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1043	}	932	}
1044	}	933	}
1045		934
1046	#############################################################################	935	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		936
1084	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1085		938
1086	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1087		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1088	=head3 cf::player	947	=head3 cf::player
1089		948
1090	=over 4	949	=over 4
1091		950
1092	=item cf::player::exists $login	951	=item cf::player::find $login
1093		952
1094	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1095		954
1096	=cut	955	=cut
1097		956
1098	sub cf::player::exists($) {	957	sub playerdir($) {
1099	cf::player::find $_[0]	958	cf::localdir
1100	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
1101	}	1127	}
1102		1128
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1130
1105	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1106		1132
1107	=cut	1133	=cut
1108		1134
1109	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1111		1137
1112	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1113		1139
1114	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1115	}	1141	}
		1142
		1143	package cf;
1116		1144
1117	=back	1145	=back
1118		1146
1119		1147
1120	=head3 cf::map	1148	=head3 cf::map
…		…
1126	package cf::map;	1154	package cf::map;
1127		1155
1128	use Fcntl;	1156	use Fcntl;
1129	use Coro::AIO;	1157	use Coro::AIO;
1130		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1131	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1133		1165
1134	sub generate_random_map {	1166	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1169	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1311	}
1152		1312
1153	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1154	# all maps in C++...	1314	# all maps in C++...
1155	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1157		1317
1158	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1160	}	1320	}
1161		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
1162	sub try_load_header($) {	1330	sub load_header_from($) {
1163	my ($path) = @_;	1331	my ($self, $path) = @_;
1164		1332
1165	utf8::encode $path;	1333	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1167	or return;	1338	or return;
1168		1339
1169	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
1170	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1171		1386
1172	$map->load_header ($path)	1387	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1388	}
1179		1389
		1390	sub find;
1180	sub find_map {	1391	sub find {
1181	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1182		1393
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1395
1188	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1189		1397
1190	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1192		1400	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1401	or return;
1208		1402
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1404
1222	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;
1223	$map->reset;	1411	$map->reset;
1224	undef $guard;	1412	undef $guard;
1225	$map = cf::map::find_map ($path)	1413	return find $path;
1226	or return;
1227	}	1414	}
1228		1415
1229	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1230	}	1417	}
1231	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1232		1422
1233	sub load {	1423	sub load {
1234	my ($self) = @_;	1424	my ($self) = @_;
1235		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1236	my $path = $self->{path};	1428	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1238		1430
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1432
1241	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1242		1434
1243	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1244	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1440	or return;
1246		1441
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1443	if delete $self->{load_original};
1249		1444
1250	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1446	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1448	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1255	}	1450	}
1256	}	1451	}
		1452
		1453	Coro::cede;
1257		1454
1258	# now do the right thing for maps	1455	# now do the right thing for maps
1259	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1260		1457
1261	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1459	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1268	$self->set_darkness_map;	1463	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1271	$self->activate;	1467	$self->activate;
1272	}	1468	}
1273		1469
		1470	$self->post_load;
		1471
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1473	}
1276		1474
1277	sub load_map_sync {	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	}
		1506	}
		1507
		1508	sub find_sync {
1278	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1279		1510
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1281		1513
1282	cf::sync_job {	1514	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1284	or return;	1516
		1517	cf::sync_job { $map->load };
		1518	}
		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;
1285	$map->load;	1538	$map->load;
1286	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1287	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1288	}	1548	}
1289		1549
1290	sub save {	1550	sub save {
1291	my ($self) = @_;	1551	my ($self) = @_;
1292		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1293	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1294		1556
1295	return unless $self->dirty;	1557	return unless $self->dirty;
1296		1558
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1561
1300	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1301		1563
1302	return if $self->{deny_save};	1564	return if $self->{deny_save};
1303		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1304	if ($uniq) {	1572	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1575	} else {
1308	$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);
1309	}	1577	}
1310	}	1578	}
1311		1579
1312	sub swap_out {	1580	sub swap_out {
1313	my ($self) = @_;	1581	my ($self) = @_;
		1582
		1583	# save first because save cedes
		1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1314		1587
1315	return if $self->players;	1588	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1590	return if $self->{deny_save};
1318		1591
1319	$self->save;
1320	$self->clear;	1592	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1594	}
1323		1595
1324	sub reset_at {	1596	sub reset_at {
1325	my ($self) = @_;	1597	my ($self) = @_;
1326		1598
1327	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1330		1602
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	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;
1333		1605
…		…
1338	my ($self) = @_;	1610	my ($self) = @_;
1339		1611
1340	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1341	}	1613	}
1342		1614
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1615	sub reset {
1365	my ($self) = @_;	1616	my ($self) = @_;
1366		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1367	return if $self->players;	1620	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1369		1622
1370	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1371		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
1372	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1373		1638
1374	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1375		1640
1376	$self->unlink_save;	1641	$self->unlink_save;
1377	$self->destroy;	1642	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1381		1646
1382	sub nuke {	1647	sub nuke {
1383	my ($self) = @_;	1648	my ($self) = @_;
1384		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1388	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1389	}	1663	}
1390		1664
1391	sub customise_for {	1665	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1666
1394	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1396	}
1397		1669
1398	$map	1670	=cut
1399	}
1400		1671
1401	sub emergency_save {	1672	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1403		1675
1404	warn "enter emergency map save\n";	1676	my @paths;
1405		1677
1406	cf::sync_job {	1678	for (@$files) {
1407	warn "begin emergency map save\n";	1679	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1409	};	1684	}
1410		1685
1411	warn "end emergency map save\n";	1686	\@paths
1412	}	1687	}
1413		1688
1414	package cf;	1689	package cf;
1415		1690
1416	=back	1691	=back
1417		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
1418		1719
1419	=head3 cf::object::player	1720	=head3 cf::object::player
1420		1721
1421	=over 4	1722	=over 4
1422		1723
…		…
1462		1763
1463	=item $player_object->enter_link	1764	=item $player_object->enter_link
1464		1765
1465	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}>).
1466		1767
1467	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
1468	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1469		1770
		1771	Will never block.
		1772
1470	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1471		1774
1472	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
1473	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
1474	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
1475	to the emergency map position.	1778	fails, to the emergency map position.
1476		1779
1477	Might block.	1780	Might block.
1478		1781
1479	=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	}
1480		1793
1481	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1795	my ($self) = @_;
1483		1796
1484	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1485		1798
1486	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1800
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1802	if $self->map;
1490		1803
1491	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	1805	}
1493		1806
1494	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1496		1809
1497	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1498		1811
1499	unless ($map) {	1812	unless ($map) {
1500	# restore original map position	1813	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1503		1816
1504	unless ($map) {	1817	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1508	}	1821	}
1509	}	1822	}
1510		1823
1511	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1517		1830
1518	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1519		1833
		1834	return unless $self->contr->active;
1520	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1521	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1522	}	1839	}
1523		1840
1524	cf::player->attach (	1841	cf::player->attach (
1525	on_logout => sub {	1842	on_logout => sub {
…		…
1537		1854
1538	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1856	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1542	Coro::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);
1543	# 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
1544	# 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
1545	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1547	};	1868	})->prio (2);
1548	}	1869	}
1549	},	1870	},
1550	);	1871	);
1551		1872
1552	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1553		1874
1554	=cut	1875	=cut
1555		1876
1556	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1558		1879
1559	$self->enter_link;	1880	$self->enter_link;
1560		1881
1561	(Coro::async {	1882	(async {
1562	$path = new cf::path $path;	1883	my $map = eval {
1563
1564	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1566		1886	$map
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1568	# if $map;
1569
1570	$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);
1571		1889
1572	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1891	})->prio (1);
1574	}	1892	}
1575		1893
…		…
1579		1897
1580	sub parse_random_map_params {	1898	sub parse_random_map_params {
1581	my ($spec) = @_;	1899	my ($spec) = @_;
1582		1900
1583	my $rmp = { # defaults	1901	my $rmp = { # defaults
1584	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1586	};	1906	};
1587		1907
1588	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1590		1910
…		…
1594	$rmp	1914	$rmp
1595	}	1915	}
1596		1916
1597	sub prepare_random_map {	1917	sub prepare_random_map {
1598	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1921
1600	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1924	# that depends on the exit object
1603		1925
1604	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1605		1927
1606	if ($exit->map) {	1928	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1611	}	1933	}
1612		1934
1613	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1614		1936
1615	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1940
1618	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) {
1619	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;
1620		1945
1621	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	1947	$exit->msg (undef);
1623	}	1948	}
1624	}	1949	}
…		…
1626	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1628		1953
1629	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1630		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
1631	$self->enter_link;	1965	$self->enter_link;
1632		1966
1633	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1969	unless (eval {
1635		1970	$self->goto ($slaying, $hp, $sp);
1636	prepare_random_map $exit
1637	if $exit->slaying eq "/!";
1638
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1641		1971
1642	1;	1972	1;
1643	}) {	1973	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1978
1649	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1980	$self->leave_link;
1651	}	1981	}
…		…
1665		1995
1666	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1667	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1668		1998
1669	utf8::encode $text;	1999	utf8::encode $text;
1670	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1671	}	2001	}
1672		2002
1673		2003
1674	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1675		2005
…		…
1702	on_reply => sub {	2032	on_reply => sub {
1703	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1704		2034
1705	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1706	# get handled first	2036	# get handled first
1707	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		2039
1709	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1710		2042
1711	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1712		2044
1713	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1714	if (@$queue) {	2046	if (@$queue) {
…		…
1718	}	2050	}
1719	}	2051	}
1720	},	2052	},
1721	);	2053	);
1722		2054
1723	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1724		2056
1725	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1726	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,
1727	or loss of connection).	2059	or loss of connection).
1728		2060
1729	=cut	2061	=cut
1730		2062
1731	sub cf::client::coro {	2063	sub cf::client::async {
1732	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1733		2065
1734	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		2067
1741	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1743	});	2070	});
1744		2071
…		…
1777		2104
1778	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
1779		2106
1780	=pod	2107	=pod
1781		2108
1782	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
1783		2110
1784	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
1785	cf::object::player player	2112	cf::object::player player
1786	cf::player peaceful	2113	cf::player peaceful
1787	cf::map trigger	2114	cf::map trigger
…		…
1880	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
1881	using it, it should be unique.	2208	using it, it should be unique.
1882		2209
1883	=over 4	2210	=over 4
1884		2211
1885	=item $hashref = cf::db_get $family
1886
1887	Return a hashref for use by the extension C<$family>, which can be
1888	modified. After modifications, you have to call C<cf::db_dirty> or
1889	C<cf::db_sync>.
1890
1891	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1892		2213
1893	Returns a single value from the database	2214	Returns a single value from the database.
1894
1895	=item cf::db_put $family => $hashref
1896
1897	Stores the given family hashref into the database. Updates are delayed, if
1898	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1899		2215
1900	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1901		2217
1902	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1903	want the data to be synced to disk immediately, use C<cf::db_sync>.
1904
1905	=item cf::db_dirty
1906
1907	Marks the database as dirty, to be updated at a later time.
1908
1909	=item cf::db_sync
1910
1911	Immediately write the database to disk I<if it is dirty>.
1912		2219
1913	=cut	2220	=cut
1914		2221
1915	our $DB;	2222	our $DB;
1916		2223
1917	{	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
1918	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;
1919		2243
1920	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1921	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1922	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1923		2248
1924	my $pid;	2249	unlink $path;
1925
1926	sub db_save() {
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}	2250	};
1934	}	2251	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	2252	}
		2253	}
1946		2254
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}
1951
1952	sub db_get($;$) {	2255	sub db_get($$) {
1953	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1958	sub db_put($$;$) {	2266	sub db_put($$$) {
1959	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1960	$DB->{$_[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;
1961	} else {	2305	} else {
1962	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2307	}
1972	);	2308	Coro::cede;
1973	}	2309	}
1974		2310
1975	#############################################################################	2311	1
1976	# 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	}
1977		2324
1978	sub cfg_load {	2325	sub cfg_load {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2327	or return;
1981		2328
1982	local $/;	2329	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2330	*CFG = YAML::Syck::Load <$fh>;
		2331
		2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2337	if (exists $CFG{mlockall}) {
		2338	eval {
		2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2340	and die "WARNING: m(un)lockall failed: $!\n";
		2341	};
		2342	warn $@ if $@;
		2343	}
1984	}	2344	}
1985		2345
1986	sub main {	2346	sub main {
1987	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
1989	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#
1990	(Coro::unblock_sub {	2350	(async {
1991	Event::one_event;	2351	Event::one_event;
1992	})->();	2352	})->prio (Coro::PRIO_MAX);
1993	};	2353	};
1994		2354
1995	cfg_load;	2355	cfg_load;
1996	db_load;	2356	db_init;
1997	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
1998	Event::loop;	2360	Event::loop;
1999	}	2361	}
2000		2362
2001	#############################################################################	2363	#############################################################################
2002	# 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 $make_core;
		2419	}
2003		2420
2004	sub reload() {	2421	sub reload() {
2005	# can/must only be called in main	2422	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2008	return;	2425	return;
2009	}	2426	}
2010		2427
2011	warn "reloading...";	2428	warn "reloading...";
2012		2429
2013	local $FREEZE = 1;	2430	warn "entering sync_job";
		2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2015		2436
2016	eval {	2437	warn "syncing database to disk";
		2438	BDB::db_env_txn_checkpoint $DB_ENV;
		2439
2017	# 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
2018		2441
2019	# cancel all watchers	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2445	}
2023		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2024	# cancel all extension coros	2458	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2460	%EXT_CORO = ();
2027		2461
2028	# unload all extensions	2462	warn "removing commands";
2029	for (@exts) {	2463	%COMMAND = ();
		2464
		2465	warn "removing ext commands";
		2466	%EXTCMD = ();
		2467
		2468	warn "unloading/nuking all extensions";
		2469	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2470	warn "... unloading $pkg";
2031	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: $@";
2032	}	2477	}
2033		2478
		2479	warn "... nuking $pkg";
		2480	Symbol::delete_package $pkg;
		2481	}
		2482
2034	# unload all modules loaded from $LIBDIR	2483	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2486
2038	warn "removing <$k>";	2487	warn "... unloading $k";
2039	delete $INC{$k};	2488	delete $INC{$k};
2040		2489
2041	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2043		2492
…		…
2046	}	2495	}
2047		2496
2048	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2049	}	2498	}
2050		2499
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2500	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2057	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);
2058		2503
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2504	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2064		2506
2065	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2508	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2068		2510
2069	# reload cf.pm	2511	warn "unload completed, starting to reload now";
		2512
2070	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2071	require cf;	2514	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2516
2074	# load config and database again	2517	warn "loading config and database again";
2075	cf::cfg_load;	2518	cf::cfg_load;
2076	cf::db_load;
2077		2519
2078	# load extensions
2079	warn "load extensions";	2520	warn "loading extensions";
2080	cf::load_extensions;	2521	cf::load_extensions;
2081		2522
2082	# reattach attachments to objects	2523	warn "reattaching attachments to objects/players";
2083	warn "reattach";	2524	_global_reattach; # objects, sockets
2084	_global_reattach;	2525	warn "reattaching attachments to maps";
2085	};	2526	reattach $_ for values %MAP;
		2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2086		2529
2087	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2088	warn $@;	2537	warn $@;
2089	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2090	exit 1;	2539	exit 1;
2091	}	2540	};
2092		2541
2093	warn "reloaded successfully";	2542	warn "reloaded";
2094	};	2543	};
2095		2544
2096	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2546
2141	register_command "reload" => sub {	2547	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2143		2549
2144	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2145	$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 {
2146	reload;	2561	reload;
2147	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2148	}	2565	}
2149	};	2566	};
2150		2567
2151	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2152		2571
2153	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2155	prio => 0,	2575	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2158	cb => sub {	2578	cb => sub {
2159	unless ($FREEZE) {	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
2160	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2162	}
2163
2164	$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#
2165		2604
2166	# 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
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2607
2169	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2171	},	2610	},
2172	);	2611	);
2173		2612
		2613	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2175		2615	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	2616	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2178	poll => 'r',	2618	poll => 'r',
2179	prio => 5,	2619	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2186	after => 0,	2621	cb => \&BDB::poll_cb,
2187	interval => 10,	2622	);
2188	cb => sub {	2623	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	2624
2190	write_runtime	2625	BDB::set_sync_prepare {
2191	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 $@;
2192	})->();	2659	};
2193	},	2660	}
2194	);	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	}
		2677
		2678	END { cf::emergency_save }
2195		2679
2196	1	2680	1
2197		2681

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