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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
77		106
78	#############################################################################	107	#############################################################################
79		108
80	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
81		110
…		…
105		134
106	=item %cf::CFG	135	=item %cf::CFG
107		136
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
115	BEGIN {	150	BEGIN {
116	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	152	my $msg = join "", @_;
118	utf8::encode $msg;
119		153
120	$msg .= "\n"	154	$msg .= "\n"
121	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
122		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
124	};	161	};
125	}	162	}
126		163
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		183
147	$Event::DIED = sub {	184	$Event::DIED = sub {
148	warn "error in event callback: @_";	185	warn "error in event callback: @_";
149	};	186	};
150		187
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
156		189
157	=over 4	190	=over 4
158		191
159	=cut	192	=item dumpval $ref
160		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
161	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
162		216
163	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
164		218
165	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
166		220
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
175		222
176	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
177		224
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	225	=item cf::lock_wait $string
208		226
209	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
210		228
211	=item my $lock = cf::lock_acquire $string	229	=item my $lock = cf::lock_acquire $string
212		230
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	233	for example when the coroutine gets canceled), the lock is automatically
216	returned.	234	returned.
217		235
218	Lock names should begin with a unique identifier (for example, find_map	236	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	237	uses map_find and cf::map::load uses map_load).
220		238
221	=cut	239	=cut
222		240
223	our %LOCK;	241	our %LOCK;
224		242
…		…
238	# wait, to be sure we are not locked	256	# wait, to be sure we are not locked
239	lock_wait $key;	257	lock_wait $key;
240		258
241	$LOCK{$key} = [];	259	$LOCK{$key} = [];
242		260
243	cf::guard {	261	Coro::guard {
244	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
246	}	264	}
247	}	265	}
248		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
249	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
250		278
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	279	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
253		282
254	=cut	283	=cut
255		284
256	sub async(&) {	285	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		286
265	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
266		288
267	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
284		306
285	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	308	# (but this is cancel-safe)
287	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
288		310
289	my $busy = 1;	311	my $busy = 1;
290	my @res;	312	my @res;
291		313
292	(Coro::async {	314	(async {
293	@res = eval { $job->() };	315	@res = eval { $job->() };
294	warn $@ if $@;	316	warn $@ if $@;
295	undef $busy;	317	undef $busy;
296	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
297		319
298	while ($busy) {	320	while ($busy) {
299	Coro::cede_notself;	321	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	322	}
302		323
303	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
304	} else {	325	} else {
305	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
306		327
307	$job->()	328	$job->()
308	}	329	}
309	}	330	}
310		331
311	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
312		333
313	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
315		336
316	=cut	337	=cut
317		338
318	sub coro(&) {	339	sub async_ext(&) {
319	my $cb = shift;	340	my $cb = shift;
320		341
321	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
322		343
323	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
325	});	346	});
326	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
327		348
328	$coro	349	$coro
329	}	350	}
330		351
331	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
332	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
333		356
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	358	or return;
336		359
		360	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	365	and return;
340		366
		367	# always fsync - this file is important
341	aio_fsync $fh	368	aio_fsync $fh
342	and return;	369	and return;
343		370
344	close $fh	371	close $fh
345	or return;	372	or return;
…		…
348	and return;	375	and return;
349		376
350	1	377	1
351	}	378	}
352		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
353	=back	391	=back
354		392
355	=cut	393	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		394
477	#############################################################################	395	#############################################################################
478		396
479	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
480		398
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	525	our @CB_MAP = ();
608		526
609	my %attachment;	527	my %attachment;
610		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
611	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
613		537
614	use sort 'stable';	538	use sort 'stable';
615		539
…		…
786	# object support	710	# object support
787		711
788	sub reattach {	712	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		717
792	my $registry = $obj->registry;	718	my $registry = $obj->registry;
793		719
794	@$registry = ();	720	@$registry = ();
795		721
…		…
842	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
843		769
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	774	close $fh;
849		775
850	if (@$objs) {	776	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	782	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
858	}	784	}
859	} else {	785	} else {
860	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
927	=cut	853	=cut
928		854
929	sub register_extcmd {	855	sub register_extcmd {
930	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
931		857
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
936	}	859	}
937		860
938	cf::player->attach (	861	cf::player->attach (
939	on_command => sub {	862	on_command => sub {
940	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
953		876
954	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
955		878
956	if (ref $msg) {	879	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	883	}
961	}	884	}
962	} else {	885	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		888
966	cf::override;	889	cf::override;
967	},	890	},
968	);	891	);
969		892
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	893	sub load_extension {
977	my ($path) = @_;	894	my ($path) = @_;
978		895
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	897	my $base = $1;
981	my $pkg = $1;	898	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
984		901
985	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
986		903
987	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
988	or die "$path: $!";	905	or die "$path: $!";
989		906
990	my $source =	907	my $source =
991	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
994	. "\n};\n1";	911	. "\n};\n1";
995		912
996	eval $source	913	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	915	: "extension disabled.\n";
999		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	917	warn $@;
1001	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1002		919	exit 1;
1003	# no strict 'refs';	920	}
1004	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	922	}
1019		923
1020	# remove commands	924	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	925	}
1045		926
1046	sub load_extensions {	927	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	929	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1053	}	934	}
1054	}	935	}
1055		936
1056	#############################################################################	937	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		938
1094	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1095		940
1096	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1097		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1098	=head3 cf::player	949	=head3 cf::player
1099		950
1100	=over 4	951	=over 4
1101		952
1102	=item cf::player::exists $login	953	=item cf::player::find $login
1103		954
1104	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1105		956
1106	=cut	957	=cut
1107		958
1108	sub cf::player::exists($) {	959	sub playerdir($) {
1109	cf::player::find $_[0]	960	cf::localdir
1110	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])
1111	}	965	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1114		1139
1115	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1116		1141
1117	=cut	1142	=cut
1118		1143
1119	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1121		1146
1122	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1123		1148
1124	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1125	}	1191	}
1126		1192
1127	=back	1193	=back
1128
1129		1194
1130	=head3 cf::map	1195	=head3 cf::map
1131		1196
1132	=over 4	1197	=over 4
1133		1198
…		…
1136	package cf::map;	1201	package cf::map;
1137		1202
1138	use Fcntl;	1203	use Fcntl;
1139	use Coro::AIO;	1204	use Coro::AIO;
1140		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1141	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1143		1212
1144	sub generate_random_map {	1213	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1216	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1358	}
1162		1359
1163	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1164	# all maps in C++...	1361	# all maps in C++...
1165	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1167		1364
1168	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1170	}	1367	}
1171		1368
		1369	sub unlink_save {
		1370	my ($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
1172	sub try_load_header($) {	1377	sub load_header_from($) {
1173	my ($path) = @_;	1378	my ($self, $path) = @_;
1174		1379
1175	utf8::encode $path;	1380	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1177	or return;	1385	or return;
1178		1386
1179	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
1180	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1181		1433
1182	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1183	or return;	1435	unless $self->default_region;
1184		1436
1185	$map->{load_path} = $path;	1437	1
1186
1187	$map
1188	}	1438	}
1189		1439
1190	sub find_map;	1440	sub find;
1191	sub find_map {	1441	sub find {
1192	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1193		1443
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1445
1199	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1200		1447
1201	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1203		1450	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1451	or return;
1221		1452
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1234		1454
1235	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($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;
1236	$map->reset;	1461	$map->reset;
1237	undef $guard;	1462	undef $guard;
1238	$map = find_map $path	1463	return find $path;
1239	or return;
1240	}	1464	}
1241		1465
1242	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1243	}	1467	}
1244	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1245		1472
1246	sub load {	1473	sub load {
1247	my ($self) = @_;	1474	my ($self) = @_;
1248		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1249	my $path = $self->{path};	1478	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1251		1480
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1482
1254	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1255		1484
1256	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1257	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1491	or return;
1259		1492
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1494	if delete $self->{load_original};
1262		1495
1263	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1497	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1499	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1268	}	1501	}
1269	}	1502	}
1270		1503
		1504	Coro::cede;
1271	# now do the right thing for maps	1505	# now do the right thing for maps
1272	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1273		1508
1274	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1510	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1281	$self->set_darkness_map;	1514	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1284	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1285	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1286		1524
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1526	}
1289		1527
1290	sub load_map_sync {	1528	sub customise_for {
		1529	my ($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	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1291	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1292		1563
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1294		1566
1295	cf::sync_job {	1567	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1297	or return;	1569
		1570	cf::sync_job { $map->load };
		1571	}
		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;
1298	$map->load;	1591	$map->load;
1299	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1300	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1301	}	1601	}
1302		1602
1303	sub save {	1603	sub save {
1304	my ($self) = @_;	1604	my ($self) = @_;
1305		1605
		1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1607
1306	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1307		1609
1308	return unless $self->dirty;	1610	return unless $self->dirty;
1309		1611
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1614
1313	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1314		1616
1315	return if $self->{deny_save};	1617	return if $self->{deny_save};
1316		1618
1317	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1318		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1319	if ($uniq) {	1625	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1628	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1630	}
1325	}	1631	}
1326		1632
1327	sub swap_out {	1633	sub swap_out {
1328	my ($self) = @_;	1634	my ($self) = @_;
1329		1635
1330	# save first because save cedes	1636	# save first because save cedes
1331	$self->save;	1637	$self->save;
		1638
		1639	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1640
1333	return if $self->players;	1641	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1643	return if $self->{deny_save};
1336		1644
…		…
1340		1648
1341	sub reset_at {	1649	sub reset_at {
1342	my ($self) = @_;	1650	my ($self) = @_;
1343		1651
1344	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1347		1655
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1658
…		…
1355	my ($self) = @_;	1663	my ($self) = @_;
1356		1664
1357	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1358	}	1666	}
1359		1667
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1668	sub reset {
1382	my ($self) = @_;	1669	my ($self) = @_;
1383		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1384	return if $self->players;	1673	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1386		1675
1387	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1388		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
1389	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1390		1691
1391	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1392		1693
1393	$self->unlink_save;	1694	$self->unlink_save;
1394	$self->destroy;	1695	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1398		1699
1399	sub nuke {	1700	sub nuke {
1400	my ($self) = @_;	1701	my ($self) = @_;
1401		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1405	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1406	}	1716	}
1407		1717
1408	sub customise_for {	1718	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1719
1411	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1413	}
1414		1722
1415	$map	1723	=cut
1416	}
1417		1724
1418	sub emergency_save {	1725	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1420		1728
1421	warn "enter emergency map save\n";	1729	my @paths;
1422		1730
1423	cf::sync_job {	1731	for (@$files) {
1424	warn "begin emergency map save\n";	1732	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1426	};	1737	}
1427		1738
1428	warn "end emergency map save\n";	1739	\@paths
1429	}	1740	}
1430		1741
1431	package cf;	1742	package cf;
1432		1743
1433	=back	1744	=back
1434		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
1435		1772
1436	=head3 cf::object::player	1773	=head3 cf::object::player
1437		1774
1438	=over 4	1775	=over 4
1439		1776
…		…
1479		1816
1480	=item $player_object->enter_link	1817	=item $player_object->enter_link
1481		1818
1482	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}>).
1483		1820
1484	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
1485	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1486		1823
		1824	Will never block.
		1825
1487	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1488		1827
1489	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1831	fails, to the emergency map position.
1493		1832
1494	Might block.	1833	Might block.
1495		1834
1496	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1497		1846
1498	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1848	my ($self) = @_;
1500		1849
1501	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1502		1851
1503	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1853
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1855	if $self->map;
1507		1856
1508	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1858	}
1510		1859
1511	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1513		1862
1514	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1515		1864
1516	unless ($map) {	1865	unless ($map) {
1517	# restore original map position	1866	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1520		1869
1521	unless ($map) {	1870	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1525	}	1874	}
1526	}	1875	}
1527		1876
1528	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1534		1883
1535	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1536		1886
		1887	return unless $self->contr->active;
1537	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1539	}	1892	}
1540		1893
1541	cf::player->attach (	1894	cf::player->attach (
1542	on_logout => sub {	1895	on_logout => sub {
…		…
1554		1907
1555	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1909	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1559	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);
1560	# 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
1561	# 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
1562	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1564	};	1921	})->prio (2);
1565	}	1922	}
1566	},	1923	},
1567	);	1924	);
1568		1925
1569	=item $player_object->goto_map ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1570		1927
1571	=cut	1928	=cut
1572		1929
1573	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1575		1932
1576	$self->enter_link;	1933	$self->enter_link;
1577		1934
1578	(cf::async {	1935	(async {
1579	$path = new cf::path $path;	1936	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1583		1939	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1585	# if $map;
1586
1587	$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);
1588		1942
1589	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1944	})->prio (1);
1591	}	1945	}
1592		1946
…		…
1596		1950
1597	sub parse_random_map_params {	1951	sub parse_random_map_params {
1598	my ($spec) = @_;	1952	my ($spec) = @_;
1599		1953
1600	my $rmp = { # defaults	1954	my $rmp = { # defaults
1601	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1603	};	1959	};
1604		1960
1605	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1607		1963
…		…
1611	$rmp	1967	$rmp
1612	}	1968	}
1613		1969
1614	sub prepare_random_map {	1970	sub prepare_random_map {
1615	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1974
1617	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1977	# that depends on the exit object
1620		1978
1621	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1622		1980
1623	if ($exit->map) {	1981	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1628	}	1986	}
1629		1987
1630	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1631		1989
1632	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1993
1635	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) {
1636	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;
1637		1998
1638	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	2000	$exit->msg (undef);
1640	}	2001	}
1641	}	2002	}
…		…
1643	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1645		2006
1646	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1647		2008
		2009	if ($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
1648	$self->enter_link;	2020	$self->enter_link;
1649		2021
1650	(cf::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2024	unless (eval {
1652	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		2026
1658	1;	2027	1;
1659	}) {	2028	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2033
1665	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2035	$self->leave_link;
1667	}	2036	}
1668	})->prio (1);	2037	})->prio (1);
…		…
1681		2050
1682	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1684		2053
1685	utf8::encode $text;	2054	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2056	}
1688		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	}
1689		2070
1690	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1691		2072
1692	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1693	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>,
…		…
1722	# get handled first	2103	# get handled first
1723	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1724	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
1725		2106
1726	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2109
1728	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1729		2111
1730	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2113	if (@$queue) {
…		…
1735	}	2117	}
1736	}	2118	}
1737	},	2119	},
1738	);	2120	);
1739		2121
1740	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1741		2123
1742	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1743	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,
1744	or loss of connection).	2126	or loss of connection).
1745		2127
1746	=cut	2128	=cut
1747		2129
1748	sub cf::client::coro {	2130	sub cf::client::async {
1749	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1750		2132
1751	my $coro = &cf::async ($cb);	2133	my $coro = &Coro::async ($cb);
1752		2134
1753	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1755	});	2137	});
1756		2138
…		…
1789		2171
1790	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1791		2173
1792	=pod	2174	=pod
1793		2175
1794	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1795		2177
1796	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2179	cf::object::player player
1798	cf::player peaceful	2180	cf::player peaceful
1799	cf::map trigger	2181	cf::map trigger
…		…
1884	#############################################################################	2266	#############################################################################
1885		2267
1886	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1887		2269
1888	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1889	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1890	excludes objects.	2272	convert to/from binary).
1891		2273
1892	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
1893	using it, it should be unique.	2275	using it, it should be unique.
1894		2276
1895	=over 4	2277	=over 4
1896		2278
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1904		2280
1905	Returns a single value from the database	2281	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2282
1912	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1913		2284
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2286
1925	=cut	2287	=cut
1926		2288
1927	our $DB;	2289	our $DB;
1928		2290
1929	{	2291	sub db_init {
1930	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1931		2294
1932	sub db_load() {	2295	cf::sync_job {
1933	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1934	}	2297	$DB->set_flags (BDB::CHKSUM);
1935		2298
1936	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1937		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1938	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1939	waitpid $pid, 0 if $pid;	2302	};
1940	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2304	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});	2305	}
		2306	}
1958		2307
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {	2308	sub db_get($$) {
1965	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1970	sub db_put($$;$) {	2319	sub db_put($$$) {
1971	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1972	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1973	} else {	2322	}
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978		2323
1979	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1980	prio => 10000,	2325
1981	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1982	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
1983	},	2356	}
1984	);	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"
1985	}	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 $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
1986		2433
1987	#############################################################################	2434	#############################################################################
1988	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		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	}
1989		2523
1990	sub cfg_load {	2524	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2526	or return;
1993		2527
1994	local $/;	2528	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2529	*CFG = YAML::Syck::Load <$fh>;
1996		2530
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		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
1999	if (exists $CFG{mlockall}) {	2536	if (exists $CFG{mlockall}) {
2000	eval {	2537	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2539	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2540	};
2004	warn $@ if $@;	2541	warn $@ if $@;
2005	}	2542	}
2006	}	2543	}
2007		2544
2008	sub main {	2545	sub main {
2009	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2011	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#
2012	(Coro::unblock_sub {	2549	(async {
2013	Event::one_event;	2550	Event::one_event;
2014	})->();	2551	})->prio (Coro::PRIO_MAX);
2015	};	2552	};
2016		2553
2017	cfg_load;	2554	cfg_load;
2018	db_load;	2555	db_init;
2019	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2020	Event::loop;	2559	Event::loop;
2021	}	2560	}
2022		2561
2023	#############################################################################	2562	#############################################################################
2024	# initialisation	2563	# initialisation and cleanup
2025		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 $make_core;
		2618	}
		2619
2026	sub reload() {	2620	sub do_reload_perl() {
2027	# can/must only be called in main	2621	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2030	return;	2624	return;
2031	}	2625	}
2032		2626
2033	warn "reloading...";	2627	warn "reloading...";
2034		2628
2035	local $FREEZE = 1;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2037		2635
2038	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2039	# 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
2040		2640
2041	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2644	}
2045		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2046	# cancel all extension coros	2657	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2659	%EXT_CORO = ();
2049		2660
2050	# unload all extensions	2661	warn "removing commands";
2051	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2669	warn "... unloading $pkg";
2053	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: $@";
2054	}	2676	}
2055		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
2056	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2685
2060	warn "removing <$k>";	2686	warn "... unloading $k";
2061	delete $INC{$k};	2687	delete $INC{$k};
2062		2688
2063	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2065		2691
…		…
2068	}	2694	}
2069		2695
2070	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2071	}	2697	}
2072		2698
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2079	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);
2080		2702
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2086		2705
2087	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2707	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2090		2709
2091	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
2092	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2093	require cf;	2713	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2715
2096	# load config and database again	2716	warn "loading config and database again";
2097	cf::cfg_load;	2717	cf::cfg_load;
2098	cf::db_load;
2099		2718
2100	# load extensions
2101	warn "load extensions";	2719	warn "loading extensions";
2102	cf::load_extensions;	2720	cf::load_extensions;
2103		2721
2104	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
2105	warn "reattach";	2723	_global_reattach; # objects, sockets
2106	_global_reattach;	2724	warn "reattaching attachments to maps";
2107	};	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2108		2728
2109	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2110	warn $@;	2733	warn $@;
2111	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2112	exit 1;	2735	exit 1;
2113	}	2736	};
2114		2737
2115	warn "reloaded successfully";	2738	warn "reloaded";
2116	};	2739	};
2117		2740
2118	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2119		2742
2120	unless ($LINK_MAP) {	2743	sub reload_perl() {
2121	$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.
2122		2746
2123	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2124	$LINK_MAP->height (41);	2748	reentrant => 0,
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2133	cb => sub {	2751	cb => sub {
2134	$_[0]->w->cancel;	2752	do_reload_perl;
2135		2753	undef $RELOAD_WATCHER;
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});	2754	},
2154		2755	);
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}	2756	}
2160
2161	register "<global>", __PACKAGE__;
2162		2757
2163	register_command "reload" => sub {	2758	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2165		2760
2166	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");
2168	reload;
2169	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2170	}	2764	}
2171	};	2765	};
2172		2766
2173	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	}
2174		2791
2175	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2177	prio => 0,	2795	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2180	cb => sub {	2798	cb => sub {
2181	unless ($FREEZE) {	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
2182	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2183	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
		2811
		2812	if ($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#
2187		2822
2188	# 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
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2825
2191	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2192	$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;
2193	},	2837	},
2194	);	2838	);
2195		2839
		2840	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2197		2842	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2843	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2200	poll => 'r',	2845	poll => 'r',
2201	prio => 5,	2846	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2208	after => 0,	2848	cb => \&BDB::poll_cb,
2209	interval => 10,	2849	);
2210	cb => sub {	2850	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2851
2212	write_runtime	2852	BDB::set_sync_prepare {
2213	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 $@;
2214	})->();	2886	};
2215	},	2887	}
2216	);	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;
2217		2907
2218	END { cf::emergency_save }	2908	END { cf::emergency_save }
2219		2909
2220	1	2910	1
2221		2911

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