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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 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	}
249		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	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
349	and return;	373	and return;
350		374
351	1	375	1
352	}	376	}
353		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
354	=back	389	=back
355		390
356	=cut	391	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		392
478	#############################################################################	393	#############################################################################
479		394
480	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
481		396
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	523	our @CB_MAP = ();
609		524
610	my %attachment;	525	my %attachment;
611		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
612	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
614		535
615	use sort 'stable';	536	use sort 'stable';
616		537
…		…
787	# object support	708	# object support
788		709
789	sub reattach {	710	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		715
793	my $registry = $obj->registry;	716	my $registry = $obj->registry;
794		717
795	@$registry = ();	718	@$registry = ();
796		719
…		…
843	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
844		767
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	772	close $fh;
850		773
851	if (@$objs) {	774	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	780	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
859	}	782	}
860	} else {	783	} else {
861	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
928	=cut	851	=cut
929		852
930	sub register_extcmd {	853	sub register_extcmd {
931	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
932		855
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
937	}	857	}
938		858
939	cf::player->attach (	859	cf::player->attach (
940	on_command => sub {	860	on_command => sub {
941	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
954		874
955	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
956		876
957	if (ref $msg) {	877	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	881	}
962	}	882	}
963	} else {	883	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		886
967	cf::override;	887	cf::override;
968	},	888	},
969	);	889	);
970		890
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	891	sub load_extension {
978	my ($path) = @_;	892	my ($path) = @_;
979		893
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	895	my $base = $1;
982	my $pkg = $1;	896	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
985		899
986	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
987		901
988	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
989	or die "$path: $!";	903	or die "$path: $!";
990		904
991	my $source =	905	my $source =
992	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
995	. "\n};\n1";	909	. "\n};\n1";
996		910
997	eval $source	911	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	913	: "extension disabled.\n";
1000		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	915	warn $@;
1002	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1003		917	exit 1;
1004	# no strict 'refs';	918	}
1005	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	920	}
1020		921
1021	# remove commands	922	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	923	}
1046		924
1047	sub load_extensions {	925	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	927	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1054	}	932	}
1055	}	933	}
1056		934
1057	#############################################################################	935	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		936
1095	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1096		938
1097	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1098		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1099	=head3 cf::player	947	=head3 cf::player
1100		948
1101	=over 4	949	=over 4
1102		950
1103	=item cf::player::exists $login	951	=item cf::player::find $login
1104		952
1105	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1106		954
1107	=cut	955	=cut
1108		956
1109	sub cf::player::exists($) {	957	sub playerdir($) {
1110	cf::player::find $_[0]	958	cf::localdir
1111	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
1112	}	1127	}
1113		1128
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1130
1116	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1117		1132
1118	=cut	1133	=cut
1119		1134
1120	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1122		1137
1123	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1124		1139
1125	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1126	}	1141	}
		1142
		1143	package cf;
1127		1144
1128	=back	1145	=back
1129		1146
1130		1147
1131	=head3 cf::map	1148	=head3 cf::map
…		…
1137	package cf::map;	1154	package cf::map;
1138		1155
1139	use Fcntl;	1156	use Fcntl;
1140	use Coro::AIO;	1157	use Coro::AIO;
1141		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1142	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1144		1165
1145	sub generate_random_map {	1166	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1169	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1311	}
1163		1312
1164	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1165	# all maps in C++...	1314	# all maps in C++...
1166	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1168		1317
1169	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1171	}	1320	}
1172		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
1173	sub try_load_header($) {	1330	sub load_header_from($) {
1174	my ($path) = @_;	1331	my ($self, $path) = @_;
1175		1332
1176	utf8::encode $path;	1333	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1178	or return;	1338	or return;
1179		1339
1180	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
1181	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1182		1386
1183	$map->load_header ($path)	1387	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1388	}
1190		1389
1191	sub find_map;	1390	sub find;
1192	sub find_map {	1391	sub find {
1193	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1194		1393
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1395
1200	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1201		1397
1202	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1204		1400	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1401	or return;
1220		1402
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1404
1234	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;
1235	$map->reset;	1411	$map->reset;
1236	undef $guard;	1412	undef $guard;
1237	$map = find_map $path	1413	return find $path;
1238	or return;
1239	}	1414	}
1240		1415
1241	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1242	}	1417	}
1243	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1244		1422
1245	sub load {	1423	sub load {
1246	my ($self) = @_;	1424	my ($self) = @_;
1247		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1248	my $path = $self->{path};	1428	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1250		1430
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1432
1253	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1254		1434
1255	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1256	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1440	or return;
1258		1441
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1443	if delete $self->{load_original};
1261		1444
1262	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1446	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1448	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1267	}	1450	}
1268	}	1451	}
		1452
		1453	Coro::cede;
1269		1454
1270	# now do the right thing for maps	1455	# now do the right thing for maps
1271	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1272		1457
1273	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1459	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1280	$self->set_darkness_map;	1463	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1283	$self->activate;	1467	$self->activate;
1284	}	1468	}
1285		1469
		1470	$self->post_load;
		1471
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1473	}
1288		1474
1289	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 {
1290	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1291		1510
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1293		1513
1294	cf::sync_job {	1514	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1296	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;
1297	$map->load;	1538	$map->load;
1298	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1299	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1300	}	1548	}
1301		1549
1302	sub save {	1550	sub save {
1303	my ($self) = @_;	1551	my ($self) = @_;
1304		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1305	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1306		1556
1307	return unless $self->dirty;	1557	return unless $self->dirty;
1308		1558
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1561
1312	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1313		1563
1314	return if $self->{deny_save};	1564	return if $self->{deny_save};
1315		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1316	if ($uniq) {	1572	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1575	} else {
1320	$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);
1321	}	1577	}
1322	}	1578	}
1323		1579
1324	sub swap_out {	1580	sub swap_out {
1325	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;
1326		1587
1327	return if $self->players;	1588	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1590	return if $self->{deny_save};
1330		1591
1331	$self->save;
1332	$self->clear;	1592	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1594	}
1335		1595
1336	sub reset_at {	1596	sub reset_at {
1337	my ($self) = @_;	1597	my ($self) = @_;
1338		1598
1339	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1342		1602
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	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;
1345		1605
…		…
1350	my ($self) = @_;	1610	my ($self) = @_;
1351		1611
1352	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1353	}	1613	}
1354		1614
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1615	sub reset {
1377	my ($self) = @_;	1616	my ($self) = @_;
1378		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1379	return if $self->players;	1620	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1381		1622
1382	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1383		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
1384	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1385		1638
1386	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1387		1640
1388	$self->unlink_save;	1641	$self->unlink_save;
1389	$self->destroy;	1642	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1393		1646
1394	sub nuke {	1647	sub nuke {
1395	my ($self) = @_;	1648	my ($self) = @_;
1396		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1400	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1401	}	1663	}
1402		1664
1403	sub customise_for {	1665	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1666
1406	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1408	}
1409		1669
1410	$map	1670	=cut
1411	}
1412		1671
1413	sub emergency_save {	1672	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1415		1675
1416	warn "enter emergency map save\n";	1676	my @paths;
1417		1677
1418	cf::sync_job {	1678	for (@$files) {
1419	warn "begin emergency map save\n";	1679	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1421	};	1684	}
1422		1685
1423	warn "end emergency map save\n";	1686	\@paths
1424	}	1687	}
1425		1688
1426	package cf;	1689	package cf;
1427		1690
1428	=back	1691	=back
1429		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
1430		1719
1431	=head3 cf::object::player	1720	=head3 cf::object::player
1432		1721
1433	=over 4	1722	=over 4
1434		1723
…		…
1474		1763
1475	=item $player_object->enter_link	1764	=item $player_object->enter_link
1476		1765
1477	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}>).
1478		1767
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1481		1770
		1771	Will never block.
		1772
1482	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1483		1774
1484	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
1485	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
1486	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
1487	to the emergency map position.	1778	fails, to the emergency map position.
1488		1779
1489	Might block.	1780	Might block.
1490		1781
1491	=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	}
1492		1793
1493	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1795	my ($self) = @_;
1495		1796
1496	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1497		1798
1498	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1800
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1802	if $self->map;
1502		1803
1503	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1805	}
1505		1806
1506	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1508		1809
1509	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1510		1811
1511	unless ($map) {	1812	unless ($map) {
1512	# restore original map position	1813	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1515		1816
1516	unless ($map) {	1817	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1520	}	1821	}
1521	}	1822	}
1522		1823
1523	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1529		1830
1530	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1531		1833
		1834	return unless $self->contr->active;
1532	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1534	}	1839	}
1535		1840
1536	cf::player->attach (	1841	cf::player->attach (
1537	on_logout => sub {	1842	on_logout => sub {
…		…
1549		1854
1550	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1856	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1554	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);
1555	# 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
1556	# 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
1557	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1559	};	1868	})->prio (2);
1560	}	1869	}
1561	},	1870	},
1562	);	1871	);
1563		1872
1564	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1565		1874
1566	=cut	1875	=cut
1567		1876
1568	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1570		1879
1571	$self->enter_link;	1880	$self->enter_link;
1572		1881
1573	(cf::async {	1882	(async {
1574	$path = new cf::path $path;	1883	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1578		1886	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1580	# if $map;
1581
1582	$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);
1583		1889
1584	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1891	})->prio (1);
1586	}	1892	}
1587		1893
…		…
1591		1897
1592	sub parse_random_map_params {	1898	sub parse_random_map_params {
1593	my ($spec) = @_;	1899	my ($spec) = @_;
1594		1900
1595	my $rmp = { # defaults	1901	my $rmp = { # defaults
1596	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1598	};	1906	};
1599		1907
1600	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1602		1910
…		…
1606	$rmp	1914	$rmp
1607	}	1915	}
1608		1916
1609	sub prepare_random_map {	1917	sub prepare_random_map {
1610	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1921
1612	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1924	# that depends on the exit object
1615		1925
1616	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1617		1927
1618	if ($exit->map) {	1928	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1623	}	1933	}
1624		1934
1625	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1626		1936
1627	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1940
1630	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) {
1631	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;
1632		1945
1633	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1947	$exit->msg (undef);
1635	}	1948	}
1636	}	1949	}
…		…
1638	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1640		1953
1641	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1642		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
1643	$self->enter_link;	1965	$self->enter_link;
1644		1966
1645	(cf::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1969	unless (eval {
1647	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1971
1653	1;	1972	1;
1654	}) {	1973	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1978
1660	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1980	$self->leave_link;
1662	}	1981	}
…		…
1676		1995
1677	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1679		1998
1680	utf8::encode $text;	1999	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2001	}
1683		2002
1684		2003
1685	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1686		2005
…		…
1714	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1715		2034
1716	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1717	# get handled first	2036	# get handled first
1718	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2039
1721	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2042
1723	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1724		2044
1725	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2046	if (@$queue) {
…		…
1730	}	2050	}
1731	}	2051	}
1732	},	2052	},
1733	);	2053	);
1734		2054
1735	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1736		2056
1737	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1738	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,
1739	or loss of connection).	2059	or loss of connection).
1740		2060
1741	=cut	2061	=cut
1742		2062
1743	sub cf::client::coro {	2063	sub cf::client::async {
1744	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1745		2065
1746	my $coro = &cf::async ($cb);	2066	my $coro = &Coro::async ($cb);
1747		2067
1748	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1750	});	2070	});
1751		2071
…		…
1784		2104
1785	# here we export the classes and methods available to script code	2105	# here we export the classes and methods available to script code
1786		2106
1787	=pod	2107	=pod
1788		2108
1789	The following fucntions and emthods are available within a safe environment:	2109	The following functions and methods are available within a safe environment:
1790		2110
1791	cf::object contr pay_amount pay_player map	2111	cf::object contr pay_amount pay_player map
1792	cf::object::player player	2112	cf::object::player player
1793	cf::player peaceful	2113	cf::player peaceful
1794	cf::map trigger	2114	cf::map trigger
…		…
1887	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
1888	using it, it should be unique.	2208	using it, it should be unique.
1889		2209
1890	=over 4	2210	=over 4
1891		2211
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1899		2213
1900	Returns a single value from the database	2214	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2215
1907	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1908		2217
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2219
1920	=cut	2220	=cut
1921		2221
1922	our $DB;	2222	our $DB;
1923		2223
1924	{	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
1925	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;
1926		2243
1927	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2248
1931	my $pid;	2249	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2250	};
1941	}	2251	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2252	}
		2253	}
1953		2254
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {	2255	sub db_get($$) {
1960	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1965	sub db_put($$;$) {	2266	sub db_put($$$) {
1966	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1967	$DB->{$_[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;
1968	} else {	2305	} else {
1969	$DB->{$_[0]} = $_[1];	2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2307	}
1979	);	2308	Coro::cede;
1980	}	2309	}
1981		2310
1982	#############################################################################	2311	1
1983	# 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	}
1984		2324
1985	sub cfg_load {	2325	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2326	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2327	or return;
1988		2328
1989	local $/;	2329	local $/;
1990	*CFG = YAML::Syck::Load <$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	}
1991	}	2344	}
1992		2345
1993	sub main {	2346	sub main {
1994	# we must not ever block the main coroutine	2347	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2348	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2350	(async {
1998	Event::one_event;	2351	Event::one_event;
1999	})->();	2352	})->prio (Coro::PRIO_MAX);
2000	};	2353	};
2001		2354
2002	cfg_load;	2355	cfg_load;
2003	db_load;	2356	db_init;
2004	load_extensions;	2357	load_extensions;
		2358
		2359	$TICK_WATCHER->start;
2005	Event::loop;	2360	Event::loop;
2006	}	2361	}
2007		2362
2008	#############################################################################	2363	#############################################################################
2009	# 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 $make_core;
		2419	}
2010		2420
2011	sub reload() {	2421	sub reload() {
2012	# can/must only be called in main	2422	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2423	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2424	warn "can only reload from main coroutine";
2015	return;	2425	return;
2016	}	2426	}
2017		2427
2018	warn "reloading...";	2428	warn "reloading...";
2019		2429
2020	local $FREEZE = 1;	2430	warn "entering sync_job";
		2431
		2432	cf::sync_job {
		2433	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	2434	cf::emergency_save;
		2435	cf::write_runtime; # external watchdog should not bark
2022		2436
2023	eval {	2437	warn "syncing database to disk";
		2438	BDB::db_env_txn_checkpoint $DB_ENV;
		2439
2024	# 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
2025		2441
2026	# cancel all watchers	2442	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2443	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2445	}
2030		2446
		2447	warn "flushing outstanding aio requests";
		2448	for (;;) {
		2449	BDB::flush;
		2450	IO::AIO::flush;
		2451	Coro::cede;
		2452	last unless IO::AIO::nreqs || BDB::nreqs;
		2453	warn "iterate...";
		2454	}
		2455
		2456	++$RELOAD;
		2457
2031	# cancel all extension coros	2458	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2459	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2460	%EXT_CORO = ();
2034		2461
2035	# unload all extensions	2462	warn "removing commands";
2036	for (@exts) {	2463	%COMMAND = ();
		2464
		2465	warn "removing ext commands";
		2466	%EXTCMD = ();
		2467
		2468	warn "unloading/nuking all extensions";
		2469	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2470	warn "... unloading $pkg";
2038	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: $@";
2039	}	2477	}
2040		2478
		2479	warn "... nuking $pkg";
		2480	Symbol::delete_package $pkg;
		2481	}
		2482
2041	# unload all modules loaded from $LIBDIR	2483	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2484	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2486
2045	warn "removing <$k>";	2487	warn "... unloading $k";
2046	delete $INC{$k};	2488	delete $INC{$k};
2047		2489
2048	$k =~ s/\.pm$//;	2490	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2491	$k =~ s/\//::/g;
2050		2492
…		…
2053	}	2495	}
2054		2496
2055	Symbol::delete_package $k;	2497	Symbol::delete_package $k;
2056	}	2498	}
2057		2499
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2500	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2501	Symbol::delete_package "safe::$_"
2064	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);
2065		2503
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2504	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2505	delete $INC{"cf.pm"};
2071		2506
2072	# don't, removes xs symbols, too,	2507	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2508	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2509	#Symbol::delete_package __PACKAGE__;
2075		2510
2076	# reload cf.pm	2511	warn "unload completed, starting to reload now";
		2512
2077	warn "reloading cf.pm";	2513	warn "reloading cf.pm";
2078	require cf;	2514	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2516
2081	# load config and database again	2517	warn "loading config and database again";
2082	cf::cfg_load;	2518	cf::cfg_load;
2083	cf::db_load;
2084		2519
2085	# load extensions
2086	warn "load extensions";	2520	warn "loading extensions";
2087	cf::load_extensions;	2521	cf::load_extensions;
2088		2522
2089	# reattach attachments to objects	2523	warn "reattaching attachments to objects/players";
2090	warn "reattach";	2524	_global_reattach; # objects, sockets
2091	_global_reattach;	2525	warn "reattaching attachments to maps";
2092	};	2526	reattach $_ for values %MAP;
		2527	warn "reattaching attachments to players";
		2528	reattach $_ for values %PLAYER;
2093		2529
2094	if ($@) {	2530	warn "loading reloadable resources";
		2531	reload_resources;
		2532
		2533	warn "leaving sync_job";
		2534
		2535	1
		2536	} or do {
2095	warn $@;	2537	warn $@;
2096	warn "error while reloading, exiting.";	2538	warn "error while reloading, exiting.";
2097	exit 1;	2539	exit 1;
2098	}	2540	};
2099		2541
2100	warn "reloaded successfully";	2542	warn "reloaded";
2101	};	2543	};
2102		2544
2103	#############################################################################	2545	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2546
2148	register_command "reload" => sub {	2547	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2548	my ($who, $arg) = @_;
2150		2549
2151	if ($who->flag (FLAG_WIZ)) {	2550	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2561	reload;
2154	$who->message ("end of reload.");	2562	undef $RELOAD_WATCHER;
		2563	},
		2564	);
2155	}	2565	}
2156	};	2566	};
2157		2567
2158	unshift @INC, $LIBDIR;	2568	unshift @INC, $LIBDIR;
		2569
		2570	my $bug_warning = 0;
2159		2571
2160	$TICK_WATCHER = Event->timer (	2572	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2573	reentrant => 0,
		2574	parked => 1,
2162	prio => 0,	2575	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2576	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2577	data => WF_AUTOCANCEL,
2165	cb => sub {	2578	cb => sub {
2166	unless ($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
2167	cf::server_tick; # one server iteration	2587	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2588	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2604
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2607
2176	$TICK_WATCHER->at ($NEXT_TICK);	2608	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2609	$TICK_WATCHER->start;
2178	},	2610	},
2179	);	2611	);
2180		2612
		2613	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	2614	BDB::max_poll_time $TICK * 0.1;
2182		2615	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	2616	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2617	fd => BDB::poll_fileno,
2185	poll => 'r',	2618	poll => 'r',
2186	prio => 5,	2619	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	2620	data => WF_AUTOCANCEL,
2193	after => 0,	2621	cb => \&BDB::poll_cb,
2194	interval => 10,	2622	);
2195	cb => sub {	2623	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	2624
2197	write_runtime	2625	BDB::set_sync_prepare {
2198	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 $@;
2199	})->();	2659	};
2200	},	2660	}
2201	);	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	}
2202		2677
2203	END { cf::emergency_save }	2678	END { cf::emergency_save }
2204		2679
2205	1	2680	1
2206		2681

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