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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176		222
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	223	=item cf::lock_wait $string
207		224
208	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
209		226
210	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
211		228
212	Wait until the given lock is available and then acquires it and returns	229	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
215	returned.	232	returned.
216		233
217	Lock names should begin with a unique identifier (for example, cf::map::find	234	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	235	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
238	lock_wait $key;	255	lock_wait $key;
239		256
240	$LOCK{$key} = [];	257	$LOCK{$key} = [];
241		258
242	cf::guard {	259	Coro::guard {
243	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
245	}	262	}
246	}	263	}
247		264
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	265	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
266		267
267	my $guard = guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
334		346
335	$coro	347	$coro
336	}	348	}
337		349
338	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
339	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
340		354
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	356	or return;
343		357
		358	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	363	and return;
347		364
		365	# always fsync - this file is important
348	aio_fsync $fh	366	aio_fsync $fh
349	and return;	367	and return;
350		368
351	close $fh	369	close $fh
352	or return;	370	or return;
…		…
355	and return;	373	and return;
356		374
357	1	375	1
358	}	376	}
359		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
360	=back	389	=back
361		390
362	=cut	391	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		392
484	#############################################################################	393	#############################################################################
485		394
486	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
487		396
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	523	our @CB_MAP = ();
615		524
616	my %attachment;	525	my %attachment;
617		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
618	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
620		535
621	use sort 'stable';	536	use sort 'stable';
622		537
…		…
793	# object support	708	# object support
794		709
795	sub reattach {	710	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		715
799	my $registry = $obj->registry;	716	my $registry = $obj->registry;
800		717
801	@$registry = ();	718	@$registry = ();
802		719
…		…
849	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
850		767
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	772	close $fh;
856		773
857	if (@$objs) {	774	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	780	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
865	}	782	}
866	} else {	783	} else {
867	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
934	=cut	851	=cut
935		852
936	sub register_extcmd {	853	sub register_extcmd {
937	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
938		855
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
943	}	857	}
944		858
945	cf::player->attach (	859	cf::player->attach (
946	on_command => sub {	860	on_command => sub {
947	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
960		874
961	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
962		876
963	if (ref $msg) {	877	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	881	}
968	}	882	}
969	} else {	883	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		886
973	cf::override;	887	cf::override;
974	},	888	},
975	);	889	);
976		890
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	891	sub load_extension {
984	my ($path) = @_;	892	my ($path) = @_;
985		893
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	895	my $base = $1;
988	my $pkg = $1;	896	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
991		899
992	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
993		901
994	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
995	or die "$path: $!";	903	or die "$path: $!";
996		904
997	my $source =	905	my $source =
998	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1001	. "\n};\n1";	909	. "\n};\n1";
1002		910
1003	eval $source	911	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	913	: "extension disabled.\n";
1006		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	915	warn $@;
1008	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1009		917	exit 1;
1010	# no strict 'refs';	918	}
1011	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	920	}
1026		921
1027	# remove commands	922	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	923	}
1052		924
1053	sub load_extensions {	925	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	927	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1060	}	932	}
1061	}	933	}
1062		934
1063	#############################################################################	935	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		936
1101	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1102		938
1103	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1104		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1105	=head3 cf::player	947	=head3 cf::player
1106		948
1107	=over 4	949	=over 4
1108		950
1109	=item cf::player::exists $login	951	=item cf::player::find $login
1110		952
1111	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1112		954
1113	=cut	955	=cut
1114		956
1115	sub cf::player::exists($) {	957	sub playerdir($) {
1116	cf::player::find $_[0]	958	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	963	}
1119		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/playerdata"
		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	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
		1002	}
		1003	}
		1004
		1005	sub save($) {
		1006	my ($pl) = @_;
		1007
		1008	return if $pl->{deny_save};
		1009
		1010	my $path = path $pl;
		1011	my $guard = cf::lock_acquire "user_save:$path";
		1012
		1013	return if $pl->{deny_save};
		1014
		1015	aio_mkdir playerdir $pl, 0770;
		1016	$pl->{last_save} = $cf::RUNTIME;
		1017
		1018	$pl->save_pl ($path);
		1019	Coro::cede;
		1020	}
		1021
		1022	sub new($) {
		1023	my ($login) = @_;
		1024
		1025	my $self = create;
		1026
		1027	$self->ob->name ($login);
		1028	$self->{deny_save} = 1;
		1029
		1030	$cf::PLAYER{$login} = $self;
		1031
		1032	$self
		1033	}
		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
		1042	sub quit_character {
		1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
		1046
		1047	$pl->{deny_save} = 1;
		1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1049
		1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1051	$pl->deactivate;
		1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1053	$pl->ns->destroy if $pl->ns;
		1054
		1055	my $path = playerdir $pl;
		1056	my $temp = "$path~$cf::RUNTIME~deleting~";
		1057	aio_rename $path, $temp;
		1058	delete $cf::PLAYER{$pl->ob->name};
		1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
		1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
		1103	}
		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1121		1137
1122	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1123		1139
1124	=cut	1140	=cut
1125		1141
1126	sub cf::player::ext_reply($$$%) {	1142	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1128		1144
1129	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1130		1146
1131	$self->send ("ext " . to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
1132	}	1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
		1160	}
		1161
		1162	package cf;
1133		1163
1134	=back	1164	=back
1135		1165
1136		1166
1137	=head3 cf::map	1167	=head3 cf::map
…		…
1143	package cf::map;	1173	package cf::map;
1144		1174
1145	use Fcntl;	1175	use Fcntl;
1146	use Coro::AIO;	1176	use Coro::AIO;
1147		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1148	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1150		1184
1151	sub generate_random_map {	1185	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1188	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1330	}
1169		1331
1170	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1171	# all maps in C++...	1333	# all maps in C++...
1172	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1174		1336
1175	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1177	}	1339	}
1178		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1179	sub try_load_header($) {	1349	sub load_header_from($) {
1180	my ($path) = @_;	1350	my ($self, $path) = @_;
1181		1351
1182	utf8::encode $path;	1352	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1184	or return;	1357	or return;
1185		1358
1186	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1187	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1188		1405
1189	$map->load_header ($path)	1406	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1407	}
1196		1408
1197	sub find;	1409	sub find;
1198	sub find {	1410	sub find {
1199	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1200		1412
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1414
1206	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1207		1416
1208	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1210		1419	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1420	or return;
1230		1421
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1243		1423
1244	Coro::cede;	1424	$map->load_header
		1425	or return;
1245		1426
1246	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1430	$map->reset;
1248	undef $guard;	1431	undef $guard;
1249	$map = find $path	1432	return find $path;
1250	or return;
1251	}	1433	}
1252		1434
1253	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1254	}	1436	}
1255	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1256		1441
1257	sub load {	1442	sub load {
1258	my ($self) = @_;	1443	my ($self) = @_;
1259		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1260	my $path = $self->{path};	1447	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1262		1449
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1451
1265	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1266		1453
1267	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1268	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1459	or return;
1270		1460
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1462	if delete $self->{load_original};
1273		1463
1274	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1465	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1467	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1279	}	1469	}
1280	}	1470	}
1281		1471
1282	Coro::cede;	1472	Coro::cede;
1283		1473
1284	# now do the right thing for maps	1474	# now do the right thing for maps
1285	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1286		1476
1287	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1478	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1294	$self->set_darkness_map;	1482	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1297	$self->activate;	1486	$self->activate;
1298	}	1487	}
1299		1488
1300	Coro::cede;	1489	$self->post_load;
1301		1490
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
1303	}	1525	}
1304		1526
1305	sub find_sync {	1527	sub find_sync {
1306	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1307		1529
1308	cf::sync_job { cf::map::find $path, $origin }	1530	cf::sync_job { find $path, $origin }
1309	}	1531	}
1310		1532
1311	sub do_load_sync {	1533	sub do_load_sync {
1312	my ($map) = @_;	1534	my ($map) = @_;
1313		1535
1314	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1315	}	1537	}
1316		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
		1567	}
		1568
1317	sub save {	1569	sub save {
1318	my ($self) = @_;	1570	my ($self) = @_;
1319		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1573
1320	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1321		1575
1322	return unless $self->dirty;	1576	return unless $self->dirty;
1323		1577
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1580
1327	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1328		1582
1329	return if $self->{deny_save};	1583	return if $self->{deny_save};
1330		1584
1331	local $self->{last_access} = $self->last_access;#d#	1585	local $self->{last_access} = $self->last_access;#d#
1332		1586
		1587	cf::async {
		1588	$_->contr->save for $self->players;
		1589	};
		1590
1333	if ($uniq) {	1591	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1594	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1596	}
1339	}	1597	}
1340		1598
1341	sub swap_out {	1599	sub swap_out {
1342	my ($self) = @_;	1600	my ($self) = @_;
1343		1601
1344	# save first because save cedes	1602	# save first because save cedes
1345	$self->save;	1603	$self->save;
		1604
		1605	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1606
1347	return if $self->players;	1607	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1609	return if $self->{deny_save};
1350		1610
…		…
1354		1614
1355	sub reset_at {	1615	sub reset_at {
1356	my ($self) = @_;	1616	my ($self) = @_;
1357		1617
1358	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1361		1621
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1624
…		…
1369	my ($self) = @_;	1629	my ($self) = @_;
1370		1630
1371	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1372	}	1632	}
1373		1633
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1634	sub reset {
1396	my ($self) = @_;	1635	my ($self) = @_;
1397		1636
		1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1638
1398	return if $self->players;	1639	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1400		1641
1401	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1402		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1403	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1404		1657
1405	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1406		1659
1407	$self->unlink_save;	1660	$self->unlink_save;
1408	$self->destroy;	1661	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1412		1665
1413	sub nuke {	1666	sub nuke {
1414	my ($self) = @_;	1667	my ($self) = @_;
1415		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1419	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1420	}	1682	}
1421		1683
1422	sub customise_for {	1684	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1685
1425	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1427	}
1428		1688
1429	$map	1689	=cut
1430	}
1431		1690
1432	sub emergency_save {	1691	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1434		1694
1435	warn "enter emergency map save\n";	1695	my @paths;
1436		1696
1437	cf::sync_job {	1697	for (@$files) {
1438	warn "begin emergency map save\n";	1698	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1699	next if /\.pst$/;
		1700	next unless /^$PATH_SEP/o;
		1701
		1702	push @paths, cf::map::normalise $_;
1440	};	1703	}
1441		1704
1442	warn "end emergency map save\n";	1705	\@paths
1443	}	1706	}
1444		1707
1445	package cf;	1708	package cf;
1446		1709
1447	=back	1710	=back
1448		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1449		1738
1450	=head3 cf::object::player	1739	=head3 cf::object::player
1451		1740
1452	=over 4	1741	=over 4
1453		1742
…		…
1493		1782
1494	=item $player_object->enter_link	1783	=item $player_object->enter_link
1495		1784
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1786
1498	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1500		1789
		1790	Will never block.
		1791
1501	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1502		1793
1503	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1797	fails, to the emergency map position.
1507		1798
1508	Might block.	1799	Might block.
1509		1800
1510	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1511		1812
1512	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1814	my ($self) = @_;
1514		1815
1515	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1516		1817
1517	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1819
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1821	if $self->map;
1521		1822
1522	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1824	}
1524		1825
1525	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1527		1828
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1548		1849
1549	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1550		1852
		1853	return unless $self->contr->active;
1551	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1553	}	1858	}
1554		1859
1555	cf::player->attach (	1860	cf::player->attach (
1556	on_logout => sub {	1861	on_logout => sub {
…		…
1568		1873
1569	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1875	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1573	cf::async {	1878	(async {
		1879	$pl->ob->reply (undef,
		1880	"There was an internal problem at your last logout, "
		1881	. "the server will try to bring you to your intended destination in a second.",
		1882	cf::NDI_RED);
1574	# we need this sleep as the login has a concurrent enter_exit running	1883	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1884	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1578	};	1887	})->prio (2);
1579	}	1888	}
1580	},	1889	},
1581	);	1890	);
1582		1891
1583	=item $player_object->goto_map ($path, $x, $y)	1892	=item $player_object->goto ($path, $x, $y)
1584		1893
1585	=cut	1894	=cut
1586		1895
1587	sub cf::object::player::goto_map {	1896	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1589		1898
1590	$self->enter_link;	1899	$self->enter_link;
1591		1900
1592	(cf::async {	1901	(async {
1593	$path = new cf::path $path;	1902	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1597		1905	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1908
1603	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1910	})->prio (1);
1605	}	1911	}
1606		1912
…		…
1610		1916
1611	sub parse_random_map_params {	1917	sub parse_random_map_params {
1612	my ($spec) = @_;	1918	my ($spec) = @_;
1613		1919
1614	my $rmp = { # defaults	1920	my $rmp = { # defaults
1615	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1617	};	1925	};
1618		1926
1619	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1621		1929
…		…
1625	$rmp	1933	$rmp
1626	}	1934	}
1627		1935
1628	sub prepare_random_map {	1936	sub prepare_random_map {
1629	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1940
1631	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1943	# that depends on the exit object
1634		1944
1635	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1636		1946
1637	if ($exit->map) {	1947	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1642	}	1952	}
1643		1953
1644	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1645		1955
1646	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1959
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1651		1964
1652	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1966	$exit->msg (undef);
1654	}	1967	}
1655	}	1968	}
…		…
1657	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1659		1972
1660	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
1661		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
		1985
1662	$self->enter_link;	1986	$self->enter_link;
1663		1987
1664	(cf::async {	1988	(async {
1665	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1990	unless (eval {
1667	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1992
1673	1;	1993	1;
1674	}) {	1994	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1999
1680	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2001	$self->leave_link;
1682	}	2002	}
1683	})->prio (1);	2003	})->prio (1);
…		…
1696		2016
1697	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1699		2019
1700	utf8::encode $text;	2020	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2022	}
1703		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1704		2036
1705	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1706		2038
1707	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1737	# get handled first	2069	# get handled first
1738	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2072
1741	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2075
1743	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1744		2077
1745	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2079	if (@$queue) {
…		…
1750	}	2083	}
1751	}	2084	}
1752	},	2085	},
1753	);	2086	);
1754		2087
1755	=item $client->coro (\&cb)	2088	=item $client->async (\&cb)
1756		2089
1757	Create a new coroutine, running the specified callback. The coroutine will	2090	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2091	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2092	or loss of connection).
1760		2093
1761	=cut	2094	=cut
1762		2095
1763	sub cf::client::coro {	2096	sub cf::client::async {
1764	my ($self, $cb) = @_;	2097	my ($self, $cb) = @_;
1765		2098
1766	my $coro = &cf::async ($cb);	2099	my $coro = &Coro::async ($cb);
1767		2100
1768	$coro->on_destroy (sub {	2101	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2102	delete $self->{_coro}{$coro+0};
1770	});	2103	});
1771		2104
…		…
1804		2137
1805	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1806		2139
1807	=pod	2140	=pod
1808		2141
1809	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1810		2143
1811	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2145	cf::object::player player
1813	cf::player peaceful	2146	cf::player peaceful
1814	cf::map trigger	2147	cf::map trigger
…		…
1907	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2241	using it, it should be unique.
1909		2242
1910	=over 4	2243	=over 4
1911		2244
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
1919		2246
1920	Returns a single value from the database	2247	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2248
1927	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
1928		2250
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2252
1940	=cut	2253	=cut
1941		2254
1942	our $DB;	2255	our $DB;
1943		2256
1944	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
1945	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
1946		2276
1947	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2281
1951	my $pid;	2282	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2283	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2284	}
1999	);	2285	}
		2286	}
		2287
		2288	sub db_get($$) {
		2289	my $key = "$_[0]/$_[1]";
		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
		2299	sub db_put($$$) {
		2300	BDB::dbreq_pri 4;
		2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2000	}	2302	}
2001		2303
2002	#############################################################################	2304	#############################################################################
2003	# the server's main()	2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $facedata;
		2313	0 < aio_load $path, $facedata
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$facedata = Storable::thaw $facedata;
		2318	Coro::cede;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2004		2371
2005	sub cfg_load {	2372	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2374	or return;
2008		2375
2009	local $/;	2376	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
2011		2378
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
2014	if (exists $CFG{mlockall}) {	2384	if (exists $CFG{mlockall}) {
2015	eval {	2385	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2387	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2388	};
2019	warn $@ if $@;	2389	warn $@ if $@;
2020	}	2390	}
2021	}	2391	}
2022		2392
2023	sub main {	2393	sub main {
2024	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2397	(async {
2028	Event::one_event;	2398	Event::one_event;
2029	})->();	2399	})->prio (Coro::PRIO_MAX);
2030	};	2400	};
2031		2401
2032	cfg_load;	2402	cfg_load;
2033	db_load;	2403	db_init;
2034	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2035	Event::loop;	2407	Event::loop;
2036	}	2408	}
2037		2409
2038	#############################################################################	2410	#############################################################################
2039	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2040		2467
2041	sub reload() {	2468	sub reload() {
2042	# can/must only be called in main	2469	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2045	return;	2472	return;
2046	}	2473	}
2047		2474
2048	warn "reloading...";	2475	warn "reloading...";
2049		2476
2050	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2052		2483
2053	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2054	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2055		2488
2056	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2492	}
2060		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2061	# cancel all extension coros	2505	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2507	%EXT_CORO = ();
2064		2508
2065	# unload all extensions	2509	warn "removing commands";
2066	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2068	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2524	}
2070		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2071	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2533
2075	warn "removing <$k>";	2534	warn "... unloading $k";
2076	delete $INC{$k};	2535	delete $INC{$k};
2077		2536
2078	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2080		2539
…		…
2083	}	2542	}
2084		2543
2085	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2086	}	2545	}
2087		2546
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2550
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2101		2553
2102	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2555	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2105		2557
2106	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2107	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2108	require cf;	2561	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2563
2111	# load config and database again	2564	warn "loading config and database again";
2112	cf::cfg_load;	2565	cf::cfg_load;
2113	cf::db_load;
2114		2566
2115	# load extensions
2116	warn "load extensions";	2567	warn "loading extensions";
2117	cf::load_extensions;	2568	cf::load_extensions;
2118		2569
2119	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2571	_global_reattach; # objects, sockets
2121	_global_reattach;	2572	warn "reattaching attachments to maps";
2122	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2123		2576
2124	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2125	warn $@;	2584	warn $@;
2126	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2127	exit 1;	2586	exit 1;
2128	}	2587	};
2129		2588
2130	warn "reloaded successfully";	2589	warn "reloaded";
2131	};	2590	};
2132		2591
2133	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2593
2178	register_command "reload" => sub {	2594	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2180		2596
2181	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2183	reload;	2608	reload;
2184	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2185	}	2612	}
2186	};	2613	};
2187		2614
2188	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2189		2618
2190	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2192	prio => 0,	2622	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2195	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2196	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2199		2651
2200	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2654
2203	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2205	},	2657	},
2206	);	2658	);
2207		2659
		2660	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2209		2662	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2663	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2212	poll => 'r',	2665	poll => 'r',
2213	prio => 5,	2666	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2220	after => 0,	2668	cb => \&BDB::poll_cb,
2221	interval => 10,	2669	);
2222	cb => sub {	2670	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2671
2224	write_runtime	2672	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2706	};
2227	},	2707	}
2228	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2229		2724
2230	END { cf::emergency_save }	2725	END { cf::emergency_save }
2231		2726
2232	1	2727	1
2233		2728

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