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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.248 by root, Tue Apr 17 18:40:32 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 3.61 ();
		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; # this is a CONSTANT(!)
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 $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		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
160	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
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		220
184	=item cf::lock_wait $string	221	=item cf::lock_wait $string
185		222
186	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
187		224
…		…
221	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
223	}	260	}
224	}	261	}
225		262
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	263	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
244		265
245	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
246	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
247	$guard	270	$guard
248	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
272	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
307		339
308	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
310	});	342	});
311	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
312		344
313	$coro	345	$coro
314	}	346	}
315		347
316	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
317	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
318		352
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	354	or return;
321		355
		356	my $value = $cf::RUNTIME + 90 + 10;
322	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
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	361	and return;
325		362
		363	# always fsync - this file is important
326	aio_fsync $fh	364	aio_fsync $fh
327	and return;	365	and return;
328		366
329	close $fh	367	close $fh
330	or return;	368	or return;
…		…
333	and return;	371	and return;
334		372
335	1	373	1
336	}	374	}
337		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
338	=back	387	=back
339		388
340	=cut	389	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		390
462	#############################################################################	391	#############################################################################
463		392
464	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
465		394
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	521	our @CB_MAP = ();
593		522
594	my %attachment;	523	my %attachment;
595		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
596	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
598		533
599	use sort 'stable';	534	use sort 'stable';
600		535
…		…
771	# object support	706	# object support
772		707
773	sub reattach {	708	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		713
777	my $registry = $obj->registry;	714	my $registry = $obj->registry;
778		715
779	@$registry = ();	716	@$registry = ();
780		717
…		…
827	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
828		765
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	770	close $fh;
834		771
835	if (@$objs) {	772	if (@$objs) {
836	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) {
837	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	778	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
843	}	780	}
844	} else {	781	} else {
845	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
912	=cut	849	=cut
913		850
914	sub register_extcmd {	851	sub register_extcmd {
915	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
916		853
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
921	}	855	}
922		856
923	cf::player->attach (	857	cf::player->attach (
924	on_command => sub {	858	on_command => sub {
925	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
938		872
939	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
940		874
941	if (ref $msg) {	875	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	879	}
946	}	880	}
947	} else {	881	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		884
951	cf::override;	885	cf::override;
952	},	886	},
953	);	887	);
954		888
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	889	sub load_extension {
962	my ($path) = @_;	890	my ($path) = @_;
963		891
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	893	my $base = $1;
966	my $pkg = $1;	894	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
969		897
970	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
971		899
972	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
973	or die "$path: $!";	901	or die "$path: $!";
974		902
975	my $source =	903	my $source =
976	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
979	. "\n};\n1";	907	. "\n};\n1";
980		908
981	eval $source	909	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	911	: "extension disabled.\n";
984		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	913	warn $@;
986	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
987		915	exit 1;
988	# no strict 'refs';	916	}
989	# @{"$pkg\::ISA"} = ext::;	917	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	918	}
1004		919
1005	# remove commands	920	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	921	}
1030		922
1031	sub load_extensions {	923	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	925	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1038	}	930	}
1039	}	931	}
1040		932
1041	#############################################################################	933	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		934
1079	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1080		936
1081	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1082		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1083	=head3 cf::player	945	=head3 cf::player
1084		946
1085	=over 4	947	=over 4
1086		948
1087	=item cf::player::exists $login	949	=item cf::player::find $login
1088		950
1089	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1090		952
1091	=cut	953	=cut
1092		954
1093	sub cf::player::exists($) {	955	sub playerdir($) {
1094	cf::player::find $_[0]	956	cf::localdir
1095	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])
1096	}	961	}
1097		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
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1099		1135
1100	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1101		1137
1102	=cut	1138	=cut
1103		1139
1104	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1105	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1106		1142
1107	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1108		1144
1109	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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
1110	}	1187	}
1111		1188
1112	=back	1189	=back
1113
1114		1190
1115	=head3 cf::map	1191	=head3 cf::map
1116		1192
1117	=over 4	1193	=over 4
1118		1194
…		…
1121	package cf::map;	1197	package cf::map;
1122		1198
1123	use Fcntl;	1199	use Fcntl;
1124	use Coro::AIO;	1200	use Coro::AIO;
1125		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1126	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1128		1208
1129	sub generate_random_map {	1209	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1212	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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
1146	}	1354	}
1147		1355
1148	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1149	# all maps in C++...	1357	# all maps in C++...
1150	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1152		1360
1153	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1155	}	1363	}
1156		1364
		1365	sub unlink_save {
		1366	my ($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
1157	sub try_load_header($) {	1373	sub load_header_from($) {
1158	my ($path) = @_;	1374	my ($self, $path) = @_;
1159		1375
1160	utf8::encode $path;	1376	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1162	or return;	1381	or return;
1163		1382
1164	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
1165	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1166		1429
1167	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1168	$map->path ($path);	1431	unless $self->default_region;
1169		1432
1170	$map->load_header ($path)	1433	1
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1434	}
1177		1435
1178	sub find;	1436	sub find;
1179	sub find {	1437	sub find {
1180	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1181		1439
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1441
1187	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1188		1443
1189	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1191		1446	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1447	or return;
1211		1448
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1224		1450
1225	Coro::cede;	1451	$map->load_header
		1452	or return;
1226		1453
1227	if ($map->should_reset) {	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;
1228	$map->reset;	1457	$map->reset;
1229	undef $guard;	1458	undef $guard;
1230	$map = find $path	1459	return find $path;
1231	or return;
1232	}	1460	}
1233		1461
1234	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1235	}	1463	}
1236	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1237		1468
1238	sub load {	1469	sub load {
1239	my ($self) = @_;	1470	my ($self) = @_;
1240		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1241	my $path = $self->{path};	1474	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1243		1476
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1478
1246	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1247		1480
1248	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1249	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1487	or return;
1251		1488
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1490	if delete $self->{load_original};
1254		1491
1255	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1493	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1495	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1260	}	1497	}
1261	}	1498	}
1262		1499
1263	Coro::cede;	1500	Coro::cede;
1264
1265	# now do the right thing for maps	1501	# now do the right thing for maps
1266	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1267		1504
1268	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1506	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1275	$self->set_darkness_map;	1510	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1278	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1279	}	1516	}
1280		1517
		1518	$self->post_load;
1281	Coro::cede;	1519	Coro::cede;
1282		1520
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($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	$neigh->load;
		1554	}
1284	}	1555	}
1285		1556
1286	sub find_sync {	1557	sub find_sync {
1287	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1288		1559
1289	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1290	}	1561	}
1291		1562
1292	sub do_load_sync {	1563	sub do_load_sync {
1293	my ($map) = @_;	1564	my ($map) = @_;
1294		1565
1295	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1296	}	1567	}
1297		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;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1298	sub save {	1599	sub save {
1299	my ($self) = @_;	1600	my ($self) = @_;
1300		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1301	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1302		1605
1303	return unless $self->dirty;	1606	return unless $self->dirty;
1304		1607
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1610
1308	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1309		1612
1310	return if $self->{deny_save};	1613	return if $self->{deny_save};
1311		1614
1312	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1313		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1314	if ($uniq) {	1621	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1624	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1626	}
1320	}	1627	}
1321		1628
1322	sub swap_out {	1629	sub swap_out {
1323	my ($self) = @_;	1630	my ($self) = @_;
1324		1631
1325	# save first because save cedes	1632	# save first because save cedes
1326	$self->save;	1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1636
1328	return if $self->players;	1637	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1639	return if $self->{deny_save};
1331		1640
…		…
1335		1644
1336	sub reset_at {	1645	sub reset_at {
1337	my ($self) = @_;	1646	my ($self) = @_;
1338		1647
1339	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1342		1651
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1654
…		…
1350	my ($self) = @_;	1659	my ($self) = @_;
1351		1660
1352	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1353	}	1662	}
1354		1663
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1664	sub reset {
1377	my ($self) = @_;	1665	my ($self) = @_;
1378		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1379	return if $self->players;	1669	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1381		1671
1382	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1383		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
1384	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1385		1687
1386	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1387		1689
1388	$self->unlink_save;	1690	$self->unlink_save;
1389	$self->destroy;	1691	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1393		1695
1394	sub nuke {	1696	sub nuke {
1395	my ($self) = @_;	1697	my ($self) = @_;
1396		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1400	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1401	}	1712	}
1402		1713
1403	sub customise_for {	1714	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1715
1406	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1408	}
1409		1718
1410	$map	1719	=cut
1411	}
1412		1720
1413	sub emergency_save {	1721	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1415		1724
1416	warn "enter emergency map save\n";	1725	my @paths;
1417		1726
1418	cf::sync_job {	1727	for (@$files) {
1419	warn "begin emergency map save\n";	1728	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1421	};	1733	}
1422		1734
1423	warn "end emergency map save\n";	1735	\@paths
1424	}	1736	}
1425		1737
1426	package cf;	1738	package cf;
1427		1739
1428	=back	1740	=back
1429		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
1430		1768
1431	=head3 cf::object::player	1769	=head3 cf::object::player
1432		1770
1433	=over 4	1771	=over 4
1434		1772
…		…
1474		1812
1475	=item $player_object->enter_link	1813	=item $player_object->enter_link
1476		1814
1477	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}>).
1478		1816
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1481		1819
		1820	Will never block.
		1821
1482	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1483		1823
1484	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1827	fails, to the emergency map position.
1488		1828
1489	Might block.	1829	Might block.
1490		1830
1491	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
1492		1842
1493	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1844	my ($self) = @_;
1495		1845
1496	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1497		1847
1498	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1849
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1851	if $self->map;
1502		1852
1503	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1854	}
1505		1855
1506	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1508		1858
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1529		1879
1530	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1531		1882
		1883	return unless $self->contr->active;
1532	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1534	}	1888	}
1535		1889
1536	cf::player->attach (	1890	cf::player->attach (
1537	on_logout => sub {	1891	on_logout => sub {
…		…
1549		1903
1550	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1905	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1554	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);
1555	# 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
1556	# 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
1557	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1559	};	1917	})->prio (2);
1560	}	1918	}
1561	},	1919	},
1562	);	1920	);
1563		1921
1564	=item $player_object->goto ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
…		…
1568	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1570		1928
1571	$self->enter_link;	1929	$self->enter_link;
1572		1930
1573	(cf::async {	1931	(async {
1574	$path = new cf::path $path;	1932	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1578		1935	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1580	# if $map;
1581
1582	$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);
1583		1938
1584	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1940	})->prio (1);
1586	}	1941	}
1587		1942
…		…
1591		1946
1592	sub parse_random_map_params {	1947	sub parse_random_map_params {
1593	my ($spec) = @_;	1948	my ($spec) = @_;
1594		1949
1595	my $rmp = { # defaults	1950	my $rmp = { # defaults
1596	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1598	};	1955	};
1599		1956
1600	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1602		1959
…		…
1606	$rmp	1963	$rmp
1607	}	1964	}
1608		1965
1609	sub prepare_random_map {	1966	sub prepare_random_map {
1610	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1970
1612	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1973	# that depends on the exit object
1615		1974
1616	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1617		1976
1618	if ($exit->map) {	1977	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1623	}	1982	}
1624		1983
1625	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1626		1985
1627	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1989
1630	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) {
1631	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;
1632		1994
1633	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1996	$exit->msg (undef);
1635	}	1997	}
1636	}	1998	}
…		…
1638	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1640		2002
1641	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1642		2004
		2005	if ($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
1643	$self->enter_link;	2016	$self->enter_link;
1644		2017
1645	(cf::async {	2018	(async {
1646	$self->deactivate_recursive; # just to be sure	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	$self->goto ($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) = @_;
		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_facedata {
		2390	load_facedata sprintf "%s/facedata", cf::datadir
		2391	or die "unable to load facedata\n";
		2392	}
		2393
		2394	sub reload_regions {
		2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2396	or die "unable to load regions file\n";
		2397	}
		2398
		2399	sub reload_archetypes {
		2400	load_resource_file sprintf "%s/archetypes", cf::datadir
		2401	or die "unable to load archetypes\n";
		2402	}
		2403
		2404	sub reload_treasures {
		2405	load_resource_file sprintf "%s/treasures", cf::datadir
		2406	or die "unable to load treasurelists\n";
		2407	}
		2408
		2409	sub reload_resources {
		2410	warn "reloading resource files...\n";
		2411
		2412	reload_regions;
		2413	reload_facedata;
		2414	reload_archetypes;
		2415	reload_treasures;
		2416
		2417	warn "finished reloading resource files\n";
		2418	}
		2419
		2420	sub init {
		2421	reload_resources;
		2422	}
1985		2423
1986	sub cfg_load {	2424	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2425	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2426	or return;
1989		2427
1990	local $/;	2428	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2429	*CFG = YAML::Syck::Load <$fh>;
1992		2430
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2432
		2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2435
1995	if (exists $CFG{mlockall}) {	2436	if (exists $CFG{mlockall}) {
1996	eval {	2437	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2439	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2440	};
2000	warn $@ if $@;	2441	warn $@ if $@;
2001	}	2442	}
2002	}	2443	}
2003		2444
2004	sub main {	2445	sub main {
2005	# we must not ever block the main coroutine	2446	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2447	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2449	(async {
2009	Event::one_event;	2450	Event::one_event;
2010	})->();	2451	})->prio (Coro::PRIO_MAX);
2011	};	2452	};
2012		2453
2013	cfg_load;	2454	cfg_load;
2014	db_load;	2455	db_init;
2015	load_extensions;	2456	load_extensions;
		2457
		2458	$TICK_WATCHER->start;
2016	Event::loop;	2459	Event::loop;
2017	}	2460	}
2018		2461
2019	#############################################################################	2462	#############################################################################
2020	# initialisation	2463	# initialisation and cleanup
2021		2464
		2465	# install some emergency cleanup handlers
		2466	BEGIN {
		2467	for my $signal (qw(INT HUP TERM)) {
		2468	Event->signal (
		2469	reentrant => 0,
		2470	data => WF_AUTOCANCEL,
		2471	signal => $signal,
		2472	prio => 0,
		2473	cb => sub {
		2474	cf::cleanup "SIG$signal";
		2475	},
		2476	);
		2477	}
		2478	}
		2479
		2480	sub emergency_save() {
		2481	my $freeze_guard = cf::freeze_mainloop;
		2482
		2483	warn "enter emergency perl save\n";
		2484
		2485	cf::sync_job {
		2486	# use a peculiar iteration method to avoid tripping on perl
		2487	# refcount bugs in for. also avoids problems with players
		2488	# and maps saved/destroyed asynchronously.
		2489	warn "begin emergency player save\n";
		2490	for my $login (keys %cf::PLAYER) {
		2491	my $pl = $cf::PLAYER{$login} or next;
		2492	$pl->valid or next;
		2493	$pl->save;
		2494	}
		2495	warn "end emergency player save\n";
		2496
		2497	warn "begin emergency map save\n";
		2498	for my $path (keys %cf::MAP) {
		2499	my $map = $cf::MAP{$path} or next;
		2500	$map->valid or next;
		2501	$map->save;
		2502	}
		2503	warn "end emergency map save\n";
		2504
		2505	warn "begin emergency database checkpoint\n";
		2506	BDB::db_env_txn_checkpoint $DB_ENV;
		2507	warn "end emergency database checkpoint\n";
		2508	};
		2509
		2510	warn "leave emergency perl save\n";
		2511	}
		2512
		2513	sub post_cleanup {
		2514	my ($make_core) = @_;
		2515
		2516	warn Carp::longmess "post_cleanup backtrace"
		2517	if $make_core;
		2518	}
		2519
2022	sub reload() {	2520	sub do_reload_perl() {
2023	# can/must only be called in main	2521	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2522	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2523	warn "can only reload from main coroutine";
2026	return;	2524	return;
2027	}	2525	}
2028		2526
2029	warn "reloading...";	2527	warn "reloading...";
2030		2528
2031	my $guard = freeze_mainloop;	2529	warn "entering sync_job";
		2530
		2531	cf::sync_job {
		2532	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2533	cf::emergency_save;
		2534	cf::write_runtime; # external watchdog should not bark
2033		2535
2034	eval {	2536	warn "syncing database to disk";
		2537	BDB::db_env_txn_checkpoint $DB_ENV;
		2538
2035	# if anything goes wrong in here, we should simply crash as we already saved	2539	# if anything goes wrong in here, we should simply crash as we already saved
2036		2540
2037	# cancel all watchers	2541	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2542	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2544	}
2041		2545
		2546	warn "flushing outstanding aio requests";
		2547	for (;;) {
		2548	BDB::flush;
		2549	IO::AIO::flush;
		2550	Coro::cede;
		2551	last unless IO::AIO::nreqs || BDB::nreqs;
		2552	warn "iterate...";
		2553	}
		2554
		2555	++$RELOAD;
		2556
2042	# cancel all extension coros	2557	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2558	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2559	%EXT_CORO = ();
2045		2560
2046	# unload all extensions	2561	warn "removing commands";
2047	for (@exts) {	2562	%COMMAND = ();
		2563
		2564	warn "removing ext commands";
		2565	%EXTCMD = ();
		2566
		2567	warn "unloading/nuking all extensions";
		2568	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2569	warn "... unloading $pkg";
2049	unload_extension $_;	2570
		2571	if (my $cb = $pkg->can ("unload")) {
		2572	eval {
		2573	$cb->($pkg);
		2574	1
		2575	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2576	}
2051		2577
		2578	warn "... nuking $pkg";
		2579	Symbol::delete_package $pkg;
		2580	}
		2581
2052	# unload all modules loaded from $LIBDIR	2582	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2583	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2585
2056	warn "removing <$k>";	2586	warn "... unloading $k";
2057	delete $INC{$k};	2587	delete $INC{$k};
2058		2588
2059	$k =~ s/\.pm$//;	2589	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2590	$k =~ s/\//::/g;
2061		2591
…		…
2064	}	2594	}
2065		2595
2066	Symbol::delete_package $k;	2596	Symbol::delete_package $k;
2067	}	2597	}
2068		2598
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2599	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2600	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2602
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2603	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2604	delete $INC{"cf.pm"};
2082		2605
2083	# don't, removes xs symbols, too,	2606	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2607	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2608	#Symbol::delete_package __PACKAGE__;
2086		2609
2087	# reload cf.pm	2610	warn "unload completed, starting to reload now";
		2611
2088	warn "reloading cf.pm";	2612	warn "reloading cf.pm";
2089	require cf;	2613	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2615
2092	# load config and database again	2616	warn "loading config and database again";
2093	cf::cfg_load;	2617	cf::cfg_load;
2094	cf::db_load;
2095		2618
2096	# load extensions
2097	warn "load extensions";	2619	warn "loading extensions";
2098	cf::load_extensions;	2620	cf::load_extensions;
2099		2621
2100	# reattach attachments to objects	2622	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2623	_global_reattach; # objects, sockets
2102	_global_reattach;	2624	warn "reattaching attachments to maps";
2103	};	2625	reattach $_ for values %MAP;
		2626	warn "reattaching attachments to players";
		2627	reattach $_ for values %PLAYER;
2104		2628
2105	if ($@) {	2629	warn "leaving sync_job";
		2630
		2631	1
		2632	} or do {
2106	warn $@;	2633	warn $@;
2107	warn "error while reloading, exiting.";	2634	warn "error while reloading, exiting.";
2108	exit 1;	2635	exit 1;
2109	}	2636	};
2110		2637
2111	warn "reloaded successfully";	2638	warn "reloaded";
2112	};	2639	};
2113		2640
2114	#############################################################################	2641	our $RELOAD_WATCHER; # used only during reload
2115		2642
2116	unless ($LINK_MAP) {	2643	sub reload_perl() {
2117	$LINK_MAP = cf::map::new;	2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
2118		2646
2119	$LINK_MAP->width (41);	2647	$RELOAD_WATCHER ||= Event->timer (
2120	$LINK_MAP->height (41);	2648	reentrant => 0,
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,	2649	after => 0,
		2650	data => WF_AUTOCANCEL,
2129	cb => sub {	2651	cb => sub {
2130	$_[0]->w->cancel;	2652	do_reload_perl;
2131		2653	undef $RELOAD_WATCHER;
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	});	2654	},
2150		2655	);
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	2656	}
2156
2157	register "<global>", __PACKAGE__;
2158		2657
2159	register_command "reload" => sub {	2658	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2659	my ($who, $arg) = @_;
2161		2660
2162	if ($who->flag (FLAG_WIZ)) {	2661	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	2662	$who->message ("reloading server.");
		2663	async { reload_perl };
2166	}	2664	}
2167	};	2665	};
2168		2666
2169	unshift @INC, $LIBDIR;	2667	unshift @INC, $LIBDIR;
		2668
		2669	my $bug_warning = 0;
		2670
		2671	our @WAIT_FOR_TICK;
		2672	our @WAIT_FOR_TICK_BEGIN;
		2673
		2674	sub wait_for_tick {
		2675	return unless $TICK_WATCHER->is_active;
		2676	return if $Coro::current == $Coro::main;
		2677
		2678	my $signal = new Coro::Signal;
		2679	push @WAIT_FOR_TICK, $signal;
		2680	$signal->wait;
		2681	}
		2682
		2683	sub wait_for_tick_begin {
		2684	return unless $TICK_WATCHER->is_active;
		2685	return if $Coro::current == $Coro::main;
		2686
		2687	my $signal = new Coro::Signal;
		2688	push @WAIT_FOR_TICK_BEGIN, $signal;
		2689	$signal->wait;
		2690	}
2170		2691
2171	$TICK_WATCHER = Event->timer (	2692	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2693	reentrant => 0,
		2694	parked => 1,
2173	prio => 0,	2695	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2696	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2697	data => WF_AUTOCANCEL,
2176	cb => sub {	2698	cb => sub {
		2699	if ($Coro::current != $Coro::main) {
		2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2701	unless ++$bug_warning > 10;
		2702	return;
		2703	}
		2704
		2705	$NOW = Event::time;
		2706
2177	cf::server_tick; # one server iteration	2707	cf::server_tick; # one server iteration
		2708
2178	$RUNTIME += $TICK;	2709	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2710	$NEXT_TICK += $TICK;
2180		2711
		2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2713	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2714	Coro::async_pool {
		2715	write_runtime
		2716	or warn "ERROR: unable to write runtime file: $!";
		2717	};
		2718	}
		2719
		2720	# my $AFTER = Event::time;
		2721	# warn $AFTER - $NOW;#d#
		2722
2181	# if we are delayed by four ticks or more, skip them all	2723	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2725
2184	$TICK_WATCHER->at ($NEXT_TICK);	2726	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2727	$TICK_WATCHER->start;
		2728
		2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2730	$sig->send;
		2731	}
		2732	while (my $sig = shift @WAIT_FOR_TICK) {
		2733	$sig->send;
		2734	}
		2735
		2736	_post_tick;
2186	},	2737	},
2187	);	2738	);
2188		2739
		2740	{
2189	IO::AIO::max_poll_time $TICK * 0.2;	2741	BDB::max_poll_time $TICK * 0.1;
2190		2742	$BDB_POLL_WATCHER = Event->io (
2191	Event->io (	2743	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2744	fd => BDB::poll_fileno,
2193	poll => 'r',	2745	poll => 'r',
2194	prio => 5,	2746	prio => 0,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,	2747	data => WF_AUTOCANCEL,
2201	after => 0,	2748	cb => \&BDB::poll_cb,
2202	interval => 10,	2749	);
2203	cb => sub {	2750	BDB::min_parallel 8;
2204	(Coro::unblock_sub {	2751
2205	write_runtime	2752	BDB::set_sync_prepare {
2206	or warn "ERROR: unable to write runtime file: $!";	2753	my $status;
		2754	my $current = $Coro::current;
		2755	(
		2756	sub {
		2757	$status = $!;
		2758	$current->ready; undef $current;
		2759	},
		2760	sub {
		2761	Coro::schedule while defined $current;
		2762	$! = $status;
		2763	},
		2764	)
		2765	};
		2766
		2767	unless ($DB_ENV) {
		2768	$DB_ENV = BDB::db_env_create;
		2769
		2770	cf::sync_job {
		2771	eval {
		2772	BDB::db_env_open
		2773	$DB_ENV,
		2774	$BDB_ENV_DIR,
		2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2777	0666;
		2778
		2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2780
		2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2782	$DB_ENV->set_lk_detect;
		2783	};
		2784
		2785	cf::cleanup "db_env_open(db): $@" if $@;
2207	})->();	2786	};
2208	},	2787	}
2209	);	2788	}
		2789
		2790	{
		2791	IO::AIO::min_parallel 8;
		2792
		2793	undef $Coro::AIO::WATCHER;
		2794	IO::AIO::max_poll_time $TICK * 0.1;
		2795	$AIO_POLL_WATCHER = Event->io (
		2796	reentrant => 0,
		2797	data => WF_AUTOCANCEL,
		2798	fd => IO::AIO::poll_fileno,
		2799	poll => 'r',
		2800	prio => 6,
		2801	cb => \&IO::AIO::poll_cb,
		2802	);
		2803	}
2210		2804
2211	END { cf::emergency_save }	2805	END { cf::emergency_save }
2212		2806
2213	1	2807	1
2214		2808

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