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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 1.250 by root, Wed Apr 18 14:24:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		85
57	binmode STDOUT;	86	binmode STDOUT;
58	binmode STDERR;	87	binmode STDERR;
59		88
60	# read virtual server time, if available	89	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	96	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
72		102
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
76		106
77	#############################################################################	107	#############################################################################
78		108
79	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
80		110
…		…
104		134
105	=item %cf::CFG	135	=item %cf::CFG
106		136
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
114	BEGIN {	150	BEGIN {
115	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	152	my $msg = join "", @_;
117	utf8::encode $msg;
118		153
119	$msg .= "\n"	154	$msg .= "\n"
120	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
121		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176		224
177	=cut
178
179	sub to_json($) {
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	225	=item cf::lock_wait $string
207		226
208	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
209		228
210	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
211		230
212	Wait until the given lock is available and then acquires it and returns	231	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,	232	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	233	for example when the coroutine gets canceled), the lock is automatically
215	returned.	234	returned.
216		235
217	Lock names should begin with a unique identifier (for example, cf::map::find	236	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	237	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
238	lock_wait $key;	257	lock_wait $key;
239		258
240	$LOCK{$key} = [];	259	$LOCK{$key} = [];
241		260
242	cf::guard {	261	Coro::guard {
243	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
245	}	264	}
246	}	265	}
247		266
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 {	267	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
266		269
267	my $guard = guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
268	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
269	$guard	274	$guard
270	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
271		286
272	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
273		288
274	The design of crossfire+ requires that the main coro ($Coro::main) is	289	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	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	309	my $freeze_guard = freeze_mainloop;
295		310
296	my $busy = 1;	311	my $busy = 1;
297	my @res;	312	my @res;
298		313
299	(Coro::async {	314	(async {
300	@res = eval { $job->() };	315	@res = eval { $job->() };
301	warn $@ if $@;	316	warn $@ if $@;
302	undef $busy;	317	undef $busy;
303	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
304		319
305	while ($busy) {	320	while ($busy) {
306	Coro::cede_notself;	321	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	322	}
309		323
310	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
311	} else {	325	} else {
312	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
313		327
314	$job->()	328	$job->()
315	}	329	}
316	}	330	}
317		331
318	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
319		333
320	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
322		336
323	=cut	337	=cut
324		338
325	sub coro(&) {	339	sub async_ext(&) {
326	my $cb = shift;	340	my $cb = shift;
327		341
328	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
329		343
330	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
332	});	346	});
333	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
334		348
335	$coro	349	$coro
336	}	350	}
337		351
338	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
339	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
340		356
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	358	or return;
343		359
		360	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	365	and return;
347		366
		367	# always fsync - this file is important
348	aio_fsync $fh	368	aio_fsync $fh
349	and return;	369	and return;
350		370
351	close $fh	371	close $fh
352	or return;	372	or return;
…		…
355	and return;	375	and return;
356		376
357	1	377	1
358	}	378	}
359		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
360	=back	391	=back
361		392
362	=cut	393	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($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		394
484	#############################################################################	395	#############################################################################
485		396
486	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
487		398
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	525	our @CB_MAP = ();
615		526
616	my %attachment;	527	my %attachment;
617		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
618	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
620		537
621	use sort 'stable';	538	use sort 'stable';
622		539
…		…
793	# object support	710	# object support
794		711
795	sub reattach {	712	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		717
799	my $registry = $obj->registry;	718	my $registry = $obj->registry;
800		719
801	@$registry = ();	720	@$registry = ();
802		721
…		…
849	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
850		769
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	774	close $fh;
856		775
857	if (@$objs) {	776	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	782	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
865	}	784	}
866	} else {	785	} else {
867	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
934	=cut	853	=cut
935		854
936	sub register_extcmd {	855	sub register_extcmd {
937	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
938		857
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
943	}	859	}
944		860
945	cf::player->attach (	861	cf::player->attach (
946	on_command => sub {	862	on_command => sub {
947	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
960		876
961	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
962		878
963	if (ref $msg) {	879	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	883	}
968	}	884	}
969	} else {	885	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		888
973	cf::override;	889	cf::override;
974	},	890	},
975	);	891	);
976		892
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	893	sub load_extension {
984	my ($path) = @_;	894	my ($path) = @_;
985		895
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	897	my $base = $1;
988	my $pkg = $1;	898	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
991		901
992	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
993		903
994	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
995	or die "$path: $!";	905	or die "$path: $!";
996		906
997	my $source =	907	my $source =
998	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1001	. "\n};\n1";	911	. "\n};\n1";
1002		912
1003	eval $source	913	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	915	: "extension disabled.\n";
1006		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	917	warn $@;
1008	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1009		919	exit 1;
1010	# no strict 'refs';	920	}
1011	# @{"$pkg\::ISA"} = ext::;	921	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	# }	922	}
1026		923
1027	# remove commands	924	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	}	925	}
1052		926
1053	sub load_extensions {	927	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	929	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1060	}	934	}
1061	}	935	}
1062		936
1063	#############################################################################	937	#############################################################################
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		938
1101	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1102		940
1103	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1104		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1105	=head3 cf::player	949	=head3 cf::player
1106		950
1107	=over 4	951	=over 4
1108		952
1109	=item cf::player::exists $login	953	=item cf::player::find $login
1110		954
1111	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1112		956
1113	=cut	957	=cut
1114		958
1115	sub cf::player::exists($) {	959	sub playerdir($) {
1116	cf::player::find $_[0]	960	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	965	}
1119		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1121		1139
1122	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1123		1141
1124	=cut	1142	=cut
1125		1143
1126	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1128		1146
1129	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1130		1148
1131	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1132	}	1191	}
1133		1192
1134	=back	1193	=back
1135
1136		1194
1137	=head3 cf::map	1195	=head3 cf::map
1138		1196
1139	=over 4	1197	=over 4
1140		1198
…		…
1143	package cf::map;	1201	package cf::map;
1144		1202
1145	use Fcntl;	1203	use Fcntl;
1146	use Coro::AIO;	1204	use Coro::AIO;
1147		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1148	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1150		1212
1151	sub generate_random_map {	1213	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1216	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1358	}
1169		1359
1170	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1171	# all maps in C++...	1361	# all maps in C++...
1172	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1174		1364
1175	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1177	}	1367	}
1178		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1179	sub try_load_header($) {	1377	sub load_header_from($) {
1180	my ($path) = @_;	1378	my ($self, $path) = @_;
1181		1379
1182	utf8::encode $path;	1380	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1184	or return;	1385	or return;
1185		1386
1186	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1187	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1188		1433
1189	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1190	or return;	1435	unless $self->default_region;
1191		1436
1192	$map->{load_path} = $path;	1437	1
1193
1194	$map
1195	}	1438	}
1196		1439
1197	sub find;	1440	sub find;
1198	sub find {	1441	sub find {
1199	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1200		1443
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1445
1206	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1207		1447
1208	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1210		1450	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;	1451	or return;
1230		1452
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;	1453	$map->{last_save} = $cf::RUNTIME;
1243		1454
1244	Coro::cede;	1455	$map->load_header
		1456	or return;
1245		1457
1246	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1461	$map->reset;
1248	undef $guard;	1462	undef $guard;
1249	$map = find $path	1463	return find $path;
1250	or return;
1251	}	1464	}
1252		1465
1253	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1254	}	1467	}
1255	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1256		1472
1257	sub load {	1473	sub load {
1258	my ($self) = @_;	1474	my ($self) = @_;
1259		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1260	my $path = $self->{path};	1478	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1262		1480
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1482
1265	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1266		1484
1267	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1268	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1491	or return;
1270		1492
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1494	if delete $self->{load_original};
1273		1495
1274	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1497	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1499	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1279	}	1501	}
1280	}	1502	}
1281		1503
1282	Coro::cede;	1504	Coro::cede;
1283
1284	# now do the right thing for maps	1505	# now do the right thing for maps
1285	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1286		1508
1287	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1510	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1294	$self->set_darkness_map;	1514	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1297	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1298	}	1520	}
1299		1521
		1522	$self->post_load;
1300	Coro::cede;	1523	Coro::cede;
1301		1524
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
1303	}	1559	}
1304		1560
1305	sub find_sync {	1561	sub find_sync {
1306	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1307		1563
1308	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1309	}	1565	}
1310		1566
1311	sub do_load_sync {	1567	sub do_load_sync {
1312	my ($map) = @_;	1568	my ($map) = @_;
1313		1569
1314	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1315	}	1571	}
1316		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1317	sub save {	1603	sub save {
1318	my ($self) = @_;	1604	my ($self) = @_;
1319		1605
		1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1607
1320	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1321		1609
1322	return unless $self->dirty;	1610	return unless $self->dirty;
1323		1611
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1614
1327	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1328		1616
1329	return if $self->{deny_save};	1617	return if $self->{deny_save};
1330		1618
1331	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1332		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1333	if ($uniq) {	1625	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1628	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1630	}
1339	}	1631	}
1340		1632
1341	sub swap_out {	1633	sub swap_out {
1342	my ($self) = @_;	1634	my ($self) = @_;
1343		1635
1344	# save first because save cedes	1636	# save first because save cedes
1345	$self->save;	1637	$self->save;
		1638
		1639	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1640
1347	return if $self->players;	1641	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1643	return if $self->{deny_save};
1350		1644
…		…
1354		1648
1355	sub reset_at {	1649	sub reset_at {
1356	my ($self) = @_;	1650	my ($self) = @_;
1357		1651
1358	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1361		1655
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1658
…		…
1369	my ($self) = @_;	1663	my ($self) = @_;
1370		1664
1371	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1372	}	1666	}
1373		1667
1374	sub unlink_save {
1375	my ($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	$self->save;
1393	}
1394
1395	sub reset {	1668	sub reset {
1396	my ($self) = @_;	1669	my ($self) = @_;
1397		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1398	return if $self->players;	1673	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1400		1675
1401	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1402		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1403	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1404		1691
1405	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1406		1693
1407	$self->unlink_save;	1694	$self->unlink_save;
1408	$self->destroy;	1695	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1412		1699
1413	sub nuke {	1700	sub nuke {
1414	my ($self) = @_;	1701	my ($self) = @_;
1415		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1419	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1420	}	1716	}
1421		1717
1422	sub customise_for {	1718	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1719
1425	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1427	}
1428		1722
1429	$map	1723	=cut
1430	}
1431		1724
1432	sub emergency_save {	1725	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1434		1728
1435	warn "enter emergency map save\n";	1729	my @paths;
1436		1730
1437	cf::sync_job {	1731	for (@$files) {
1438	warn "begin emergency map save\n";	1732	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1440	};	1737	}
1441		1738
1442	warn "end emergency map save\n";	1739	\@paths
1443	}	1740	}
1444		1741
1445	package cf;	1742	package cf;
1446		1743
1447	=back	1744	=back
1448		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1449		1772
1450	=head3 cf::object::player	1773	=head3 cf::object::player
1451		1774
1452	=over 4	1775	=over 4
1453		1776
…		…
1493		1816
1494	=item $player_object->enter_link	1817	=item $player_object->enter_link
1495		1818
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1820
1498	The player should be reaosnably safe there for short amounts of time. You	1821	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.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1500		1823
		1824	Will never block.
		1825
1501	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1502		1827
1503	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1831	fails, to the emergency map position.
1507		1832
1508	Might block.	1833	Might block.
1509		1834
1510	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1511		1846
1512	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1848	my ($self) = @_;
1514		1849
1515	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1516		1851
1517	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1853
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1855	if $self->map;
1521		1856
1522	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1858	}
1524		1859
1525	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1527		1862
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1548		1883
1549	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1550		1886
		1887	return unless $self->contr->active;
1551	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1553	}	1892	}
1554		1893
1555	cf::player->attach (	1894	cf::player->attach (
1556	on_logout => sub {	1895	on_logout => sub {
…		…
1568		1907
1569	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1909	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1573	cf::async {	1912	(async {
		1913	$pl->ob->reply (undef,
		1914	"There was an internal problem at your last logout, "
		1915	. "the server will try to bring you to your intended destination in a second.",
		1916	cf::NDI_RED);
1574	# we need this sleep as the login has a concurrent enter_exit running	1917	# 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	1918	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1578	};	1921	})->prio (2);
1579	}	1922	}
1580	},	1923	},
1581	);	1924	);
1582		1925
1583	=item $player_object->goto_map ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1584		1927
1585	=cut	1928	=cut
1586		1929
1587	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1589		1932
1590	$self->enter_link;	1933	$self->enter_link;
1591		1934
1592	(cf::async {	1935	(async {
1593	$path = new cf::path $path;	1936	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1597		1939	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1942
1603	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1944	})->prio (1);
1605	}	1945	}
1606		1946
…		…
1610		1950
1611	sub parse_random_map_params {	1951	sub parse_random_map_params {
1612	my ($spec) = @_;	1952	my ($spec) = @_;
1613		1953
1614	my $rmp = { # defaults	1954	my $rmp = { # defaults
1615	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1617	};	1959	};
1618		1960
1619	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1621		1963
…		…
1625	$rmp	1967	$rmp
1626	}	1968	}
1627		1969
1628	sub prepare_random_map {	1970	sub prepare_random_map {
1629	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1974
1631	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1977	# that depends on the exit object
1634		1978
1635	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1636		1980
1637	if ($exit->map) {	1981	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1642	}	1986	}
1643		1987
1644	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1645		1989
1646	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1993
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1651		1998
1652	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	2000	$exit->msg (undef);
1654	}	2001	}
1655	}	2002	}
…		…
1657	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1659		2006
1660	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1661		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1662	$self->enter_link;	2020	$self->enter_link;
1663		2021
1664	(cf::async {	2022	(async {
1665	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2024	unless (eval {
1667	prepare_random_map $exit	2025	$self->goto ($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		2026
1673	1;	2027	1;
1674	}) {	2028	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2033
1680	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2035	$self->leave_link;
1682	}	2036	}
1683	})->prio (1);	2037	})->prio (1);
…		…
1696		2050
1697	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1699		2053
1700	utf8::encode $text;	2054	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2056	}
1703		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1704		2070
1705	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1706		2072
1707	Queues a query to the client, calling the given callback with	2073	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>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1737	# get handled first	2103	# get handled first
1738	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2106
1741	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2109
1743	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1744		2111
1745	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2113	if (@$queue) {
…		…
1750	}	2117	}
1751	}	2118	}
1752	},	2119	},
1753	);	2120	);
1754		2121
1755	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1756		2123
1757	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2125	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2126	or loss of connection).
1760		2127
1761	=cut	2128	=cut
1762		2129
1763	sub cf::client::coro {	2130	sub cf::client::async {
1764	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1765		2132
1766	my $coro = &cf::async ($cb);	2133	my $coro = &Coro::async ($cb);
1767		2134
1768	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1770	});	2137	});
1771		2138
…		…
1804		2171
1805	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1806		2173
1807	=pod	2174	=pod
1808		2175
1809	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1810		2177
1811	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2179	cf::object::player player
1813	cf::player peaceful	2180	cf::player peaceful
1814	cf::map trigger	2181	cf::map trigger
…		…
1899	#############################################################################	2266	#############################################################################
1900		2267
1901	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1902		2269
1903	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1904	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1905	excludes objects.	2272	convert to/from binary).
1906		2273
1907	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2275	using it, it should be unique.
1909		2276
1910	=over 4	2277	=over 4
1911		2278
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	2279	=item $value = cf::db_get $family => $key
1919		2280
1920	Returns a single value from the database	2281	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		2282
1927	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1928		2284
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	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		2286
1940	=cut	2287	=cut
1941		2288
1942	our $DB;	2289	our $DB;
1943		2290
1944	{	2291	sub db_init {
1945	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1946		2294
1947	sub db_load() {	2295	cf::sync_job {
1948	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1949	}	2297	$DB->set_flags (BDB::CHKSUM);
1950		2298
1951	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1952		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1953	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1954	waitpid $pid, 0 if $pid;	2302	};
1955	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2304	};
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	});	2305	}
		2306	}
1973		2307
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {	2308	sub db_get($$) {
1980	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1985	sub db_put($$;$) {	2319	sub db_put($$$) {
1986	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1987	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1988	} else {	2322	}
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993		2323
1994	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1995	prio => 10000,	2325
1996	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1997	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1998	},	2356	}
1999	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2000	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
2001		2433
2002	#############################################################################	2434	#############################################################################
2003	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
2004		2523
2005	sub cfg_load {	2524	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2526	or return;
2008		2527
2009	local $/;	2528	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2529	*CFG = YAML::Syck::Load <$fh>;
2011		2530
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2532
		2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2535
2014	if (exists $CFG{mlockall}) {	2536	if (exists $CFG{mlockall}) {
2015	eval {	2537	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2539	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2540	};
2019	warn $@ if $@;	2541	warn $@ if $@;
2020	}	2542	}
2021	}	2543	}
2022		2544
2023	sub main {	2545	sub main {
2024	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2549	(async {
2028	Event::one_event;	2550	Event::one_event;
2029	})->();	2551	})->prio (Coro::PRIO_MAX);
2030	};	2552	};
2031		2553
2032	cfg_load;	2554	cfg_load;
2033	db_load;	2555	db_init;
2034	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2035	Event::loop;	2559	Event::loop;
2036	}	2560	}
2037		2561
2038	#############################################################################	2562	#############################################################################
2039	# initialisation	2563	# initialisation and cleanup
2040		2564
		2565	# install some emergency cleanup handlers
		2566	BEGIN {
		2567	for my $signal (qw(INT HUP TERM)) {
		2568	Event->signal (
		2569	reentrant => 0,
		2570	data => WF_AUTOCANCEL,
		2571	signal => $signal,
		2572	prio => 0,
		2573	cb => sub {
		2574	cf::cleanup "SIG$signal";
		2575	},
		2576	);
		2577	}
		2578	}
		2579
		2580	sub emergency_save() {
		2581	my $freeze_guard = cf::freeze_mainloop;
		2582
		2583	warn "enter emergency perl save\n";
		2584
		2585	cf::sync_job {
		2586	# use a peculiar iteration method to avoid tripping on perl
		2587	# refcount bugs in for. also avoids problems with players
		2588	# and maps saved/destroyed asynchronously.
		2589	warn "begin emergency player save\n";
		2590	for my $login (keys %cf::PLAYER) {
		2591	my $pl = $cf::PLAYER{$login} or next;
		2592	$pl->valid or next;
		2593	$pl->save;
		2594	}
		2595	warn "end emergency player save\n";
		2596
		2597	warn "begin emergency map save\n";
		2598	for my $path (keys %cf::MAP) {
		2599	my $map = $cf::MAP{$path} or next;
		2600	$map->valid or next;
		2601	$map->save;
		2602	}
		2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
		2608	};
		2609
		2610	warn "leave emergency perl save\n";
		2611	}
		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2041	sub reload() {	2620	sub do_reload_perl() {
2042	# can/must only be called in main	2621	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2045	return;	2624	return;
2046	}	2625	}
2047		2626
2048	warn "reloading...";	2627	warn "reloading...";
2049		2628
2050	my $guard = freeze_mainloop;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2052		2635
2053	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2054	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2055		2640
2056	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2644	}
2060		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2061	# cancel all extension coros	2657	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2659	%EXT_CORO = ();
2064		2660
2065	# unload all extensions	2661	warn "removing commands";
2066	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2669	warn "... unloading $pkg";
2068	unload_extension $_;	2670
		2671	if (my $cb = $pkg->can ("unload")) {
		2672	eval {
		2673	$cb->($pkg);
		2674	1
		2675	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2676	}
2070		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
2071	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2685
2075	warn "removing <$k>";	2686	warn "... unloading $k";
2076	delete $INC{$k};	2687	delete $INC{$k};
2077		2688
2078	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2080		2691
…		…
2083	}	2694	}
2084		2695
2085	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2086	}	2697	}
2087		2698
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2702
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2101		2705
2102	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2707	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2105		2709
2106	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
2107	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2108	require cf;	2713	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2715
2111	# load config and database again	2716	warn "loading config and database again";
2112	cf::cfg_load;	2717	cf::cfg_load;
2113	cf::db_load;
2114		2718
2115	# load extensions
2116	warn "load extensions";	2719	warn "loading extensions";
2117	cf::load_extensions;	2720	cf::load_extensions;
2118		2721
2119	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2723	_global_reattach; # objects, sockets
2121	_global_reattach;	2724	warn "reattaching attachments to maps";
2122	};	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2123		2728
2124	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2125	warn $@;	2733	warn $@;
2126	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2127	exit 1;	2735	exit 1;
2128	}	2736	};
2129		2737
2130	warn "reloaded successfully";	2738	warn "reloaded";
2131	};	2739	};
2132		2740
2133	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2134		2742
2135	unless ($LINK_MAP) {	2743	sub reload_perl() {
2136	$LINK_MAP = cf::map::new;	2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
2137		2746
2138	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2139	$LINK_MAP->height (41);	2748	reentrant => 0,
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,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2148	cb => sub {	2751	cb => sub {
2149	$_[0]->w->cancel;	2752	do_reload_perl;
2150		2753	undef $RELOAD_WATCHER;
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	});	2754	},
2169		2755	);
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}	2756	}
2175
2176	register "<global>", __PACKAGE__;
2177		2757
2178	register_command "reload" => sub {	2758	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2180		2760
2181	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");
2183	reload;
2184	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2185	}	2764	}
2186	};	2765	};
2187		2766
2188	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2189		2791
2190	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2192	prio => 0,	2795	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2195	cb => sub {	2798	cb => sub {
		2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
		2805	$NOW = Event::time;
		2806
2196	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2197	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2199		2811
		2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
		2822
2200	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2825
2203	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2205	},	2837	},
2206	);	2838	);
2207		2839
		2840	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2209		2842	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2843	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2212	poll => 'r',	2845	poll => 'r',
2213	prio => 5,	2846	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2220	after => 0,	2848	cb => \&BDB::poll_cb,
2221	interval => 10,	2849	);
2222	cb => sub {	2850	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2851
2224	write_runtime	2852	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2886	};
2227	},	2887	}
2228	);	2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
		2894	IO::AIO::max_poll_time $TICK * 0.1;
		2895	$AIO_POLL_WATCHER = Event->io (
		2896	reentrant => 0,
		2897	data => WF_AUTOCANCEL,
		2898	fd => IO::AIO::poll_fileno,
		2899	poll => 'r',
		2900	prio => 6,
		2901	cb => \&IO::AIO::poll_cb,
		2902	);
		2903	}
		2904
		2905	# load additional modules
		2906	use cf::pod;
2229		2907
2230	END { cf::emergency_save }	2908	END { cf::emergency_save }
2231		2909
2232	1	2910	1
2233		2911

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