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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
77		104
78	#############################################################################	105	#############################################################################
79		106
80	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
81		108
…		…
105		132
106	=item %cf::CFG	133	=item %cf::CFG
107		134
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		143
111	=back	144	=back
112		145
113	=cut	146	=cut
114		147
…		…
118	utf8::encode $msg;	151	utf8::encode $msg;
119		152
120	$msg .= "\n"	153	$msg .= "\n"
121	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
122		155
123	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
124	};	157	};
125	}	158	}
126		159
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		179
147	$Event::DIED = sub {	180	$Event::DIED = sub {
148	warn "error in event callback: @_";	181	warn "error in event callback: @_";
149	};	182	};
150		183
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
156		185
157	=over 4	186	=over 4
158		187
159	=cut	188	=item dumpval $ref
160		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		212
163	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
164		214
165	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
166		216
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
175		218
176	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
177		220
178	=cut
179
180	sub to_json($) {
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	221	=item cf::lock_wait $string
208		222
209	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
210		224
211	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
212		226
213	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
216	returned.	230	returned.
217		231
218	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
220		234
221	=cut	235	=cut
222		236
223	our %LOCK;	237	our %LOCK;
224		238
…		…
238	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
239	lock_wait $key;	253	lock_wait $key;
240		254
241	$LOCK{$key} = [];	255	$LOCK{$key} = [];
242		256
243	cf::guard {	257	Coro::guard {
244	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
246	}	260	}
247	}	261	}
248		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
249	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
250		274
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
253		278
254	=cut	279	=cut
255		280
256	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		282
265	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
266		284
267	The design of crossfire+ requires that the main coro ($Coro::main) is	285	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	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
284		302
285	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	304	# (but this is cancel-safe)
287	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
288		306
289	my $busy = 1;	307	my $busy = 1;
290	my @res;	308	my @res;
291		309
292	(Coro::async {	310	(async {
293	@res = eval { $job->() };	311	@res = eval { $job->() };
294	warn $@ if $@;	312	warn $@ if $@;
295	undef $busy;	313	undef $busy;
296	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
297		315
298	while ($busy) {	316	while ($busy) {
299	Coro::cede_notself;	317	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	318	}
302		319
303	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
304	} else {	321	} else {
305	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
306		323
307	$job->()	324	$job->()
308	}	325	}
309	}	326	}
310		327
311	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
312		329
313	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
315		332
316	=cut	333	=cut
317		334
318	sub coro(&) {	335	sub async_ext(&) {
319	my $cb = shift;	336	my $cb = shift;
320		337
321	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
322		339
323	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
325	});	342	});
326	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
327		344
328	$coro	345	$coro
329	}	346	}
330		347
331	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
332	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
333		352
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	354	or return;
336		355
		356	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	361	and return;
340		362
		363	# always fsync - this file is important
341	aio_fsync $fh	364	aio_fsync $fh
342	and return;	365	and return;
343		366
344	close $fh	367	close $fh
345	or return;	368	or return;
…		…
348	and return;	371	and return;
349		372
350	1	373	1
351	}	374	}
352		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
353	=back	387	=back
354		388
355	=cut	389	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		390
477	#############################################################################	391	#############################################################################
478		392
479	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
480		394
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	521	our @CB_MAP = ();
608		522
609	my %attachment;	523	my %attachment;
610		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
611	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
613		533
614	use sort 'stable';	534	use sort 'stable';
615		535
…		…
786	# object support	706	# object support
787		707
788	sub reattach {	708	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		713
792	my $registry = $obj->registry;	714	my $registry = $obj->registry;
793		715
794	@$registry = ();	716	@$registry = ();
795		717
…		…
842	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
843		765
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	770	close $fh;
849		771
850	if (@$objs) {	772	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	778	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
858	}	780	}
859	} else {	781	} else {
860	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
927	=cut	849	=cut
928		850
929	sub register_extcmd {	851	sub register_extcmd {
930	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
931		853
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
936	}	855	}
937		856
938	cf::player->attach (	857	cf::player->attach (
939	on_command => sub {	858	on_command => sub {
940	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
953		872
954	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
955		874
956	if (ref $msg) {	875	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	879	}
961	}	880	}
962	} else {	881	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		884
966	cf::override;	885	cf::override;
967	},	886	},
968	);	887	);
969		888
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	889	sub load_extension {
977	my ($path) = @_;	890	my ($path) = @_;
978		891
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	893	my $base = $1;
981	my $pkg = $1;	894	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
984		897
985	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
986		899
987	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
988	or die "$path: $!";	901	or die "$path: $!";
989		902
990	my $source =	903	my $source =
991	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
994	. "\n};\n1";	907	. "\n};\n1";
995		908
996	eval $source	909	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	911	: "extension disabled.\n";
999		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	913	warn $@;
1001	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1002		915	exit 1;
1003	# no strict 'refs';	916	}
1004	# @{"$pkg\::ISA"} = ext::;	917	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	# }	918	}
1019		919
1020	# remove commands	920	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	}	921	}
1045		922
1046	sub load_extensions {	923	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	925	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1053	}	930	}
1054	}	931	}
1055		932
1056	#############################################################################	933	#############################################################################
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		934
1094	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1095		936
1096	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1097		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1098	=head3 cf::player	945	=head3 cf::player
1099		946
1100	=over 4	947	=over 4
1101		948
1102	=item cf::player::exists $login	949	=item cf::player::find $login
1103		950
1104	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1105		952
1106	=cut	953	=cut
1107		954
1108	sub cf::player::exists($) {	955	sub playerdir($) {
1109	cf::player::find $_[0]	956	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	961	}
1112		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1114		1135
1115	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1116		1137
1117	=cut	1138	=cut
1118		1139
1119	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1121		1142
1122	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1123		1144
1124	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1125	}	1187	}
1126		1188
1127	=back	1189	=back
1128
1129		1190
1130	=head3 cf::map	1191	=head3 cf::map
1131		1192
1132	=over 4	1193	=over 4
1133		1194
…		…
1136	package cf::map;	1197	package cf::map;
1137		1198
1138	use Fcntl;	1199	use Fcntl;
1139	use Coro::AIO;	1200	use Coro::AIO;
1140		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1141	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1143		1208
1144	sub generate_random_map {	1209	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1212	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1354	}
1162		1355
1163	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1164	# all maps in C++...	1357	# all maps in C++...
1165	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1167		1360
1168	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1170	}	1363	}
1171		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1172	sub try_load_header($) {	1373	sub load_header_from($) {
1173	my ($path) = @_;	1374	my ($self, $path) = @_;
1174		1375
1175	utf8::encode $path;	1376	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1177	or return;	1381	or return;
1178		1382
1179	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1180	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1181		1429
1182	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1183	or return;	1431	unless $self->default_region;
1184		1432
1185	$map->{load_path} = $path;	1433	1
1186
1187	$map
1188	}	1434	}
1189		1435
1190	sub find_map;	1436	sub find;
1191	sub find_map {	1437	sub find {
1192	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1193		1439
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1441
1199	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1200		1443
1201	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1203		1446	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	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1447	or return;
1219		1448
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1450
1233	if ($map->should_reset) {	1451	$map->load_header
		1452	or return;
		1453
		1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1457	$map->reset;
1235	undef $guard;	1458	undef $guard;
1236	$map = find_map $path	1459	return find $path;
1237	or return;
1238	}	1460	}
1239		1461
1240	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1241	}	1463	}
1242	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1243		1468
1244	sub load {	1469	sub load {
1245	my ($self) = @_;	1470	my ($self) = @_;
1246		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1247	my $path = $self->{path};	1474	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1249		1476
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1478
1252	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1253		1480
1254	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1255	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1487	or return;
1257		1488
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1490	if delete $self->{load_original};
1260		1491
1261	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1493	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1495	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1266	}	1497	}
1267	}	1498	}
1268		1499
		1500	Coro::cede;
1269	# now do the right thing for maps	1501	# now do the right thing for maps
1270	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1271		1504
1272	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1506	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1279	$self->set_darkness_map;	1510	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1282	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1283	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1284		1520
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1522	}
1287		1523
1288	sub load_map_sync {	1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1289	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1290		1559
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1292		1562
1293	cf::sync_job {	1563	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1295	or return;	1565
		1566	cf::sync_job { $map->load };
		1567	}
		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
1296	$map->load;	1587	$map->load;
1297	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1298	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1299	}	1597	}
1300		1598
1301	sub save {	1599	sub save {
1302	my ($self) = @_;	1600	my ($self) = @_;
1303		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1304	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1305		1605
1306	return unless $self->dirty;	1606	return unless $self->dirty;
1307		1607
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1610
1311	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1312		1612
1313	return if $self->{deny_save};	1613	return if $self->{deny_save};
1314		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1315	if ($uniq) {	1621	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1624	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1626	}
1321	}	1627	}
1322		1628
1323	sub swap_out {	1629	sub swap_out {
1324	my ($self) = @_;	1630	my ($self) = @_;
1325		1631
1326	# save first because save cedes	1632	# save first because save cedes
1327	$self->save;	1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1636
1329	return if $self->players;	1637	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1639	return if $self->{deny_save};
1332		1640
…		…
1336		1644
1337	sub reset_at {	1645	sub reset_at {
1338	my ($self) = @_;	1646	my ($self) = @_;
1339		1647
1340	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1343		1651
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1654
…		…
1351	my ($self) = @_;	1659	my ($self) = @_;
1352		1660
1353	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1354	}	1662	}
1355		1663
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1664	sub reset {
1378	my ($self) = @_;	1665	my ($self) = @_;
1379		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1380	return if $self->players;	1669	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1382		1671
1383	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1384		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1385	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1386		1687
1387	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1388		1689
1389	$self->unlink_save;	1690	$self->unlink_save;
1390	$self->destroy;	1691	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1394		1695
1395	sub nuke {	1696	sub nuke {
1396	my ($self) = @_;	1697	my ($self) = @_;
1397		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1401	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1402	}	1712	}
1403		1713
1404	sub customise_for {	1714	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1715
1407	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1409	}
1410		1718
1411	$map	1719	=cut
1412	}
1413		1720
1414	sub emergency_save {	1721	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1416		1724
1417	warn "enter emergency map save\n";	1725	my @paths;
1418		1726
1419	cf::sync_job {	1727	for (@$files) {
1420	warn "begin emergency map save\n";	1728	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1422	};	1733	}
1423		1734
1424	warn "end emergency map save\n";	1735	\@paths
1425	}	1736	}
1426		1737
1427	package cf;	1738	package cf;
1428		1739
1429	=back	1740	=back
1430		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1431		1768
1432	=head3 cf::object::player	1769	=head3 cf::object::player
1433		1770
1434	=over 4	1771	=over 4
1435		1772
…		…
1475		1812
1476	=item $player_object->enter_link	1813	=item $player_object->enter_link
1477		1814
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1816
1480	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1482		1819
		1820	Will never block.
		1821
1483	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1484		1823
1485	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1827	fails, to the emergency map position.
1489		1828
1490	Might block.	1829	Might block.
1491		1830
1492	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1493		1842
1494	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1844	my ($self) = @_;
1496		1845
1497	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1498		1847
1499	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1849
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1851	if $self->map;
1503		1852
1504	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1854	}
1506		1855
1507	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1509		1858
1510	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1511		1860
1512	unless ($map) {	1861	unless ($map) {
1513	# restore original map position	1862	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1516		1865
1517	unless ($map) {	1866	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1521	}	1870	}
1522	}	1871	}
1523		1872
1524	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1530		1879
1531	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1532		1882
		1883	return unless $self->contr->active;
1533	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1535	}	1888	}
1536		1889
1537	cf::player->attach (	1890	cf::player->attach (
1538	on_logout => sub {	1891	on_logout => sub {
…		…
1550		1903
1551	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1905	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1555	cf::async {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1556	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1560	};	1917	})->prio (2);
1561	}	1918	}
1562	},	1919	},
1563	);	1920	);
1564		1921
1565	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1566		1923
1567	=cut	1924	=cut
1568		1925
1569	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1571		1928
1572	$self->enter_link;	1929	$self->enter_link;
1573		1930
1574	(cf::async {	1931	(async {
1575	$path = new cf::path $path;	1932	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1579		1935	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1938
1585	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1940	})->prio (1);
1587	}	1941	}
1588		1942
…		…
1592		1946
1593	sub parse_random_map_params {	1947	sub parse_random_map_params {
1594	my ($spec) = @_;	1948	my ($spec) = @_;
1595		1949
1596	my $rmp = { # defaults	1950	my $rmp = { # defaults
1597	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1599	};	1955	};
1600		1956
1601	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1603		1959
…		…
1607	$rmp	1963	$rmp
1608	}	1964	}
1609		1965
1610	sub prepare_random_map {	1966	sub prepare_random_map {
1611	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1970
1613	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1973	# that depends on the exit object
1616		1974
1617	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1618		1976
1619	if ($exit->map) {	1977	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1624	}	1982	}
1625		1983
1626	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1627		1985
1628	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1989
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1633		1994
1634	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1996	$exit->msg (undef);
1636	}	1997	}
1637	}	1998	}
…		…
1639	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1641		2002
1642	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1643		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1644	$self->enter_link;	2016	$self->enter_link;
1645		2017
1646	(cf::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	2020	unless (eval {
1648	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		2022
1654	1;	2023	1;
1655	}) {	2024	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2029
1661	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2031	$self->leave_link;
1663	}	2032	}
1664	})->prio (1);	2033	})->prio (1);
…		…
1677		2046
1678	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1680		2049
1681	utf8::encode $text;	2050	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2052	}
1684		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1685		2066
1686	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1687		2068
1688	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1718	# get handled first	2099	# get handled first
1719	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2102
1722	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2105
1724	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1725		2107
1726	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2109	if (@$queue) {
…		…
1731	}	2113	}
1732	}	2114	}
1733	},	2115	},
1734	);	2116	);
1735		2117
1736	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1737		2119
1738	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2122	or loss of connection).
1741		2123
1742	=cut	2124	=cut
1743		2125
1744	sub cf::client::coro {	2126	sub cf::client::async {
1745	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1746		2128
1747	my $coro = &cf::async ($cb);	2129	my $coro = &Coro::async ($cb);
1748		2130
1749	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1751	});	2133	});
1752		2134
…		…
1785		2167
1786	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1787		2169
1788	=pod	2170	=pod
1789		2171
1790	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1791		2173
1792	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1793	cf::object::player player	2175	cf::object::player player
1794	cf::player peaceful	2176	cf::player peaceful
1795	cf::map trigger	2177	cf::map trigger
…		…
1888	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2271	using it, it should be unique.
1890		2272
1891	=over 4	2273	=over 4
1892		2274
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1900		2276
1901	Returns a single value from the database	2277	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2278
1908	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1909		2280
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2282
1921	=cut	2283	=cut
1922		2284
1923	our $DB;	2285	our $DB;
1924		2286
1925	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1926	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1927		2306
1928	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2311
1932	my $pid;	2312	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2313	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2314	}
1980	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2332	}
1982		2333
1983	#############################################################################	2334	#############################################################################
1984	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub reload_resources {
		2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2391	or die "unable to load regions file\n";#d#
		2392	load_facedata
		2393	or die "unable to load facedata\n";#d#
		2394	}
		2395
		2396	sub init {
		2397	reload_resources;
		2398	}
1985		2399
1986	sub cfg_load {	2400	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2401	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2402	or return;
1989		2403
1990	local $/;	2404	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2405	*CFG = YAML::Syck::Load <$fh>;
1992		2406
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2408
		2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2411
1995	if (exists $CFG{mlockall}) {	2412	if (exists $CFG{mlockall}) {
1996	eval {	2413	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2414	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2415	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2416	};
2000	warn $@ if $@;	2417	warn $@ if $@;
2001	}	2418	}
2002	}	2419	}
2003		2420
2004	sub main {	2421	sub main {
2005	# we must not ever block the main coroutine	2422	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2423	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2425	(async {
2009	Event::one_event;	2426	Event::one_event;
2010	})->();	2427	})->prio (Coro::PRIO_MAX);
2011	};	2428	};
2012		2429
2013	cfg_load;	2430	cfg_load;
2014	db_load;	2431	db_init;
2015	load_extensions;	2432	load_extensions;
		2433
		2434	$TICK_WATCHER->start;
2016	Event::loop;	2435	Event::loop;
2017	}	2436	}
2018		2437
2019	#############################################################################	2438	#############################################################################
2020	# initialisation	2439	# initialisation and cleanup
		2440
		2441	# install some emergency cleanup handlers
		2442	BEGIN {
		2443	for my $signal (qw(INT HUP TERM)) {
		2444	Event->signal (
		2445	reentrant => 0,
		2446	data => WF_AUTOCANCEL,
		2447	signal => $signal,
		2448	prio => 0,
		2449	cb => sub {
		2450	cf::cleanup "SIG$signal";
		2451	},
		2452	);
		2453	}
		2454	}
		2455
		2456	sub emergency_save() {
		2457	my $freeze_guard = cf::freeze_mainloop;
		2458
		2459	warn "enter emergency perl save\n";
		2460
		2461	cf::sync_job {
		2462	# use a peculiar iteration method to avoid tripping on perl
		2463	# refcount bugs in for. also avoids problems with players
		2464	# and maps saved/destroyed asynchronously.
		2465	warn "begin emergency player save\n";
		2466	for my $login (keys %cf::PLAYER) {
		2467	my $pl = $cf::PLAYER{$login} or next;
		2468	$pl->valid or next;
		2469	$pl->save;
		2470	}
		2471	warn "end emergency player save\n";
		2472
		2473	warn "begin emergency map save\n";
		2474	for my $path (keys %cf::MAP) {
		2475	my $map = $cf::MAP{$path} or next;
		2476	$map->valid or next;
		2477	$map->save;
		2478	}
		2479	warn "end emergency map save\n";
		2480
		2481	warn "begin emergency database checkpoint\n";
		2482	BDB::db_env_txn_checkpoint $DB_ENV;
		2483	warn "end emergency database checkpoint\n";
		2484	};
		2485
		2486	warn "leave emergency perl save\n";
		2487	}
		2488
		2489	sub post_cleanup {
		2490	my ($make_core) = @_;
		2491
		2492	warn Carp::longmess "post_cleanup backtrace"
		2493	if $make_core;
		2494	}
2021		2495
2022	sub reload() {	2496	sub reload() {
2023	# can/must only be called in main	2497	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2498	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2499	warn "can only reload from main coroutine";
2026	return;	2500	return;
2027	}	2501	}
2028		2502
2029	warn "reloading...";	2503	warn "reloading...";
2030		2504
2031	local $FREEZE = 1;	2505	warn "entering sync_job";
		2506
		2507	cf::sync_job {
		2508	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2509	cf::emergency_save;
		2510	cf::write_runtime; # external watchdog should not bark
2033		2511
2034	eval {	2512	warn "syncing database to disk";
		2513	BDB::db_env_txn_checkpoint $DB_ENV;
		2514
2035	# if anything goes wrong in here, we should simply crash as we already saved	2515	# if anything goes wrong in here, we should simply crash as we already saved
2036		2516
2037	# cancel all watchers	2517	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2518	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2520	}
2041		2521
		2522	warn "flushing outstanding aio requests";
		2523	for (;;) {
		2524	BDB::flush;
		2525	IO::AIO::flush;
		2526	Coro::cede;
		2527	last unless IO::AIO::nreqs || BDB::nreqs;
		2528	warn "iterate...";
		2529	}
		2530
		2531	++$RELOAD;
		2532
2042	# cancel all extension coros	2533	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2534	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2535	%EXT_CORO = ();
2045		2536
2046	# unload all extensions	2537	warn "removing commands";
2047	for (@exts) {	2538	%COMMAND = ();
		2539
		2540	warn "removing ext commands";
		2541	%EXTCMD = ();
		2542
		2543	warn "unloading/nuking all extensions";
		2544	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2545	warn "... unloading $pkg";
2049	unload_extension $_;	2546
		2547	if (my $cb = $pkg->can ("unload")) {
		2548	eval {
		2549	$cb->($pkg);
		2550	1
		2551	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2552	}
2051		2553
		2554	warn "... nuking $pkg";
		2555	Symbol::delete_package $pkg;
		2556	}
		2557
2052	# unload all modules loaded from $LIBDIR	2558	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2559	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2561
2056	warn "removing <$k>";	2562	warn "... unloading $k";
2057	delete $INC{$k};	2563	delete $INC{$k};
2058		2564
2059	$k =~ s/\.pm$//;	2565	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2566	$k =~ s/\//::/g;
2061		2567
…		…
2064	}	2570	}
2065		2571
2066	Symbol::delete_package $k;	2572	Symbol::delete_package $k;
2067	}	2573	}
2068		2574
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2575	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2576	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2578
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2579	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2580	delete $INC{"cf.pm"};
2082		2581
2083	# don't, removes xs symbols, too,	2582	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2583	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2584	#Symbol::delete_package __PACKAGE__;
2086		2585
2087	# reload cf.pm	2586	warn "unload completed, starting to reload now";
		2587
2088	warn "reloading cf.pm";	2588	warn "reloading cf.pm";
2089	require cf;	2589	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2591
2092	# load config and database again	2592	warn "loading config and database again";
2093	cf::cfg_load;	2593	cf::cfg_load;
2094	cf::db_load;
2095		2594
2096	# load extensions
2097	warn "load extensions";	2595	warn "loading extensions";
2098	cf::load_extensions;	2596	cf::load_extensions;
2099		2597
2100	# reattach attachments to objects	2598	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2599	_global_reattach; # objects, sockets
2102	_global_reattach;	2600	warn "reattaching attachments to maps";
2103	};	2601	reattach $_ for values %MAP;
		2602	warn "reattaching attachments to players";
		2603	reattach $_ for values %PLAYER;
2104		2604
2105	if ($@) {	2605	warn "loading reloadable resources";
		2606	reload_resources;
		2607
		2608	warn "leaving sync_job";
		2609
		2610	1
		2611	} or do {
2106	warn $@;	2612	warn $@;
2107	warn "error while reloading, exiting.";	2613	warn "error while reloading, exiting.";
2108	exit 1;	2614	exit 1;
2109	}	2615	};
2110		2616
2111	warn "reloaded successfully";	2617	warn "reloaded";
2112	};	2618	};
2113		2619
2114	#############################################################################	2620	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2621
2159	register_command "reload" => sub {	2622	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2623	my ($who, $arg) = @_;
2161		2624
2162	if ($who->flag (FLAG_WIZ)) {	2625	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2626	$who->message ("reloading server.");
		2627
		2628	# doing reload synchronously and two reloads happen back-to-back,
		2629	# coro crashes during coro_state_free->destroy here.
		2630
		2631	$RELOAD_WATCHER ||= Event->timer (
		2632	reentrant => 0,
		2633	after => 0,
		2634	data => WF_AUTOCANCEL,
		2635	cb => sub {
2164	reload;	2636	reload;
2165	$who->message ("end of reload.");	2637	undef $RELOAD_WATCHER;
		2638	},
		2639	);
2166	}	2640	}
2167	};	2641	};
2168		2642
2169	unshift @INC, $LIBDIR;	2643	unshift @INC, $LIBDIR;
		2644
		2645	my $bug_warning = 0;
		2646
		2647	our @WAIT_FOR_TICK;
		2648	our @WAIT_FOR_TICK_BEGIN;
		2649
		2650	sub wait_for_tick {
		2651	my $signal = new Coro::Signal;
		2652	push @WAIT_FOR_TICK, $signal;
		2653	$signal->wait;
		2654	}
		2655
		2656	sub wait_for_tick_begin {
		2657	my $signal = new Coro::Signal;
		2658	push @WAIT_FOR_TICK_BEGIN, $signal;
		2659	$signal->wait;
		2660	}
2170		2661
2171	$TICK_WATCHER = Event->timer (	2662	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2663	reentrant => 0,
		2664	parked => 1,
2173	prio => 0,	2665	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2666	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2176	cb => sub {	2668	cb => sub {
2177	unless ($FREEZE) {	2669	if ($Coro::current != $Coro::main) {
		2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2671	unless ++$bug_warning > 10;
		2672	return;
		2673	}
		2674
		2675	$NOW = Event::time;
		2676
2178	cf::server_tick; # one server iteration	2677	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2678	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2679	$NEXT_TICK += $TICK;
		2680
		2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2682	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2683	Coro::async_pool {
		2684	write_runtime
		2685	or warn "ERROR: unable to write runtime file: $!";
		2686	};
		2687	}
		2688
		2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2690	$sig->send;
		2691	}
		2692	while (my $sig = shift @WAIT_FOR_TICK) {
		2693	$sig->send;
		2694	}
		2695
		2696	# my $AFTER = Event::time;
		2697	# warn $AFTER - $NOW;#d#
2183		2698
2184	# if we are delayed by four ticks or more, skip them all	2699	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2701
2187	$TICK_WATCHER->at ($NEXT_TICK);	2702	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2703	$TICK_WATCHER->start;
2189	},	2704	},
2190	);	2705	);
2191		2706
		2707	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2708	BDB::max_poll_time $TICK * 0.1;
2193		2709	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2710	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2711	fd => BDB::poll_fileno,
2196	poll => 'r',	2712	poll => 'r',
2197	prio => 5,	2713	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2714	data => WF_AUTOCANCEL,
2204	after => 0,	2715	cb => \&BDB::poll_cb,
2205	interval => 10,	2716	);
2206	cb => sub {	2717	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2718
2208	write_runtime	2719	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2720	my $status;
		2721	my $current = $Coro::current;
		2722	(
		2723	sub {
		2724	$status = $!;
		2725	$current->ready; undef $current;
		2726	},
		2727	sub {
		2728	Coro::schedule while defined $current;
		2729	$! = $status;
		2730	},
		2731	)
		2732	};
		2733
		2734	unless ($DB_ENV) {
		2735	$DB_ENV = BDB::db_env_create;
		2736
		2737	cf::sync_job {
		2738	eval {
		2739	BDB::db_env_open
		2740	$DB_ENV,
		2741	$BDB_ENV_DIR,
		2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2744	0666;
		2745
		2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2747
		2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2749	$DB_ENV->set_lk_detect;
		2750	};
		2751
		2752	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2753	};
2211	},	2754	}
2212	);	2755	}
		2756
		2757	{
		2758	IO::AIO::min_parallel 8;
		2759
		2760	undef $Coro::AIO::WATCHER;
		2761	IO::AIO::max_poll_time $TICK * 0.1;
		2762	$AIO_POLL_WATCHER = Event->io (
		2763	reentrant => 0,
		2764	data => WF_AUTOCANCEL,
		2765	fd => IO::AIO::poll_fileno,
		2766	poll => 'r',
		2767	prio => 6,
		2768	cb => \&IO::AIO::poll_cb,
		2769	);
		2770	}
2213		2771
2214	END { cf::emergency_save }	2772	END { cf::emergency_save }
2215		2773
2216	1	2774	1
2217		2775

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