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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.240 by root, Mon Apr 16 10:14:25 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	101	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		102
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
119	utf8::encode $msg;	151	utf8::encode $msg;
120		152
121	$msg .= "\n"	153	$msg .= "\n"
122	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
123		155
124	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
125	};	157	};
126	}	158	}
127		159
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151		183
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
160	=cut	188	=item dumpval $ref
161		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
162	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
163		212
164	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
165		214
166	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
167		216
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
176		218
177	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
178		220
179	=cut	221	=item cf::lock_wait $string
180		222
181	sub to_json($) {	223	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224
183	JSON::Syck::Dump $_[0]	225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
184	}	247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	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
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
253		344
254	$coro	345	$coro
255	}	346	}
256		347
257	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
258	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
259		352
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	354	or return;
262		355
		356	my $value = $cf::RUNTIME + 90 + 10;
263	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
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	361	and return;
266		362
		363	# always fsync - this file is important
267	aio_fsync $fh	364	aio_fsync $fh
268	and return;	365	and return;
269		366
270	close $fh	367	close $fh
271	or return;	368	or return;
…		…
274	and return;	371	and return;
275		372
276	1	373	1
277	}	374	}
278		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
279	=back	387	=back
280		388
281	=cut	389	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		390
403	#############################################################################	391	#############################################################################
404		392
405	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
406		394
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	521	our @CB_MAP = ();
534		522
535	my %attachment;	523	my %attachment;
536		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
537	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
539		533
540	use sort 'stable';	534	use sort 'stable';
541		535
…		…
712	# object support	706	# object support
713		707
714	sub reattach {	708	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		713
718	my $registry = $obj->registry;	714	my $registry = $obj->registry;
719		715
720	@$registry = ();	716	@$registry = ();
721		717
…		…
768	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
769		765
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	770	close $fh;
775		771
776	if (@$objs) {	772	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	778	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
784	}	780	}
785	} else {	781	} else {
786	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
853	=cut	849	=cut
854		850
855	sub register_extcmd {	851	sub register_extcmd {
856	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
857		853
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
862	}	855	}
863		856
864	cf::player->attach (	857	cf::player->attach (
865	on_command => sub {	858	on_command => sub {
866	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
879		872
880	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
881		874
882	if (ref $msg) {	875	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	879	}
887	}	880	}
888	} else {	881	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		884
892	cf::override;	885	cf::override;
893	},	886	},
894	);	887	);
895		888
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	889	sub load_extension {
903	my ($path) = @_;	890	my ($path) = @_;
904		891
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	893	my $base = $1;
907	my $pkg = $1;	894	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
910		897
911	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
912		899
913	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
914	or die "$path: $!";	901	or die "$path: $!";
915		902
916	my $source =	903	my $source =
917	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
920	. "\n};\n1";	907	. "\n};\n1";
921		908
922	eval $source	909	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	911	: "extension disabled.\n";
925		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	913	warn $@;
927	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
928		915	exit 1;
929	# no strict 'refs';	916	}
930	# @{"$pkg\::ISA"} = ext::;	917	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	918	}
945		919
946	# remove commands	920	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	921	}
971		922
972	sub load_extensions {	923	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	925	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
979	}	930	}
980	}	931	}
981		932
982	#############################################################################	933	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		934
1020	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1021		936
1022	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1023		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1024	=head3 cf::player	945	=head3 cf::player
1025		946
1026	=over 4	947	=over 4
1027		948
1028	=item cf::player::exists $login	949	=item cf::player::find $login
1029		950
1030	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1031		952
1032	=cut	953	=cut
1033		954
1034	sub cf::player::exists($) {	955	sub playerdir($) {
1035	cf::player::find $_[0]	956	cf::localdir
1036	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])
1037	}	961	}
1038		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
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1040		1135
1041	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1042		1137
1043	=cut	1138	=cut
1044		1139
1045	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1046	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1047		1142
1048	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1049		1144
1050	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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
1051	}	1187	}
1052		1188
1053	=back	1189	=back
1054
1055		1190
1056	=head3 cf::map	1191	=head3 cf::map
1057		1192
1058	=over 4	1193	=over 4
1059		1194
…		…
1062	package cf::map;	1197	package cf::map;
1063		1198
1064	use Fcntl;	1199	use Fcntl;
1065	use Coro::AIO;	1200	use Coro::AIO;
1066		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1067	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1069		1208
1070	sub generate_random_map {	1209	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1212	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$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},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(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, $path
1087	}	1354	}
1088		1355
1089	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1090	# all maps in C++...	1357	# all maps in C++...
1091	sub change_all_map_light {	1358	sub change_all_map_light {
1092	my ($change) = @_;	1359	my ($change) = @_;
1093		1360
1094	$_->change_map_light ($change) for values %cf::MAP;	1361	$_->change_map_light ($change)
		1362	for grep $_->outdoor, values %cf::MAP;
1095	}	1363	}
1096		1364
		1365	sub unlink_save {
		1366	my ($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
1097	sub try_load_header($) {	1373	sub load_header_from($) {
1098	my ($path) = @_;	1374	my ($self, $path) = @_;
1099		1375
1100	utf8::encode $path;	1376	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1102	or return;	1381	or return;
1103		1382
1104	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
1105	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1106		1429
1107	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1108	or return;	1431	unless $self->default_region;
1109		1432
1110	$map->{load_path} = $path;	1433	1
1111
1112	$map
1113	}	1434	}
1114		1435
		1436	sub find;
1115	sub find_map {	1437	sub find {
1116	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1117		1439
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1441
		1442	cf::lock_wait "map_find:$path";
		1443
1123	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1124	# do it the slow way	1445	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1446	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1447	or return;
1139		1448
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1450
1154	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;
1155	$map->reset;	1457	$map->reset;
1156	$map = find_map $path;	1458	undef $guard;
		1459	return find $path;
1157	}	1460	}
1158		1461
1159	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1160	}	1463	}
1161	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1162		1468
1163	sub load {	1469	sub load {
1164	my ($self) = @_;	1470	my ($self) = @_;
1165		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
		1474	my $path = $self->{path};
		1475	my $guard = cf::lock_acquire "map_load:$path";
		1476
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1478
1168	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1169		1480
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1173	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1487	or return;
1175		1488
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1490	if delete $self->{load_original};
1178		1491
1179	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1493	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1495	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1184	}	1497	}
1185	}	1498	}
1186		1499
		1500	Coro::cede;
1187	# now do the right thing for maps	1501	# now do the right thing for maps
1188	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1189		1504
1190	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1506	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1197	$self->set_darkness_map;	1510	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1200	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1201	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1202		1520
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1522	}
1205		1523
1206	sub load_map_sync {	1524	sub customise_for {
		1525	my ($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	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1207	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1208		1559
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1210		1562
1211	cf::sync_job {	1563	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1213	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;
1214	$map->load;	1587	$map->load;
1215	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1216	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1217	}	1597	}
1218		1598
1219	sub save {	1599	sub save {
1220	my ($self) = @_;	1600	my ($self) = @_;
1221		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1222	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1223		1605
1224	return unless $self->dirty;	1606	return unless $self->dirty;
1225		1607
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1610
1229	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1230		1612
1231	return if $self->{deny_save};	1613	return if $self->{deny_save};
1232		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1233	if ($uniq) {	1621	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1624	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1626	}
1239	}	1627	}
1240		1628
1241	sub swap_out {	1629	sub swap_out {
1242	my ($self) = @_;	1630	my ($self) = @_;
		1631
		1632	# save first because save cedes
		1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1636
1244	return if $self->players;	1637	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1639	return if $self->{deny_save};
1247		1640
1248	$self->save;
1249	$self->clear;	1641	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1643	}
1252		1644
1253	sub reset_at {	1645	sub reset_at {
1254	my ($self) = @_;	1646	my ($self) = @_;
1255		1647
1256	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1259		1651
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1654
…		…
1267	my ($self) = @_;	1659	my ($self) = @_;
1268		1660
1269	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1270	}	1662	}
1271		1663
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1664	sub reset {
1294	my ($self) = @_;	1665	my ($self) = @_;
1295		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1296	return if $self->players;	1669	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1298		1671
1299	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1300		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
1301	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1302		1687
1303	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1304		1689
1305	$self->unlink_save;	1690	$self->unlink_save;
1306	$self->destroy;	1691	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1310		1695
1311	sub nuke {	1696	sub nuke {
1312	my ($self) = @_;	1697	my ($self) = @_;
1313		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1317	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1318	}	1712	}
1319		1713
1320	sub customise_for {	1714	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1715
1323	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1325	}
1326		1718
1327	$map	1719	=cut
1328	}
1329		1720
1330	sub emergency_save {	1721	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1332		1724
1333	warn "enter emergency map save\n";	1725	my @paths;
1334		1726
1335	cf::sync_job {	1727	for (@$files) {
1336	warn "begin emergency map save\n";	1728	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1338	};	1733	}
1339		1734
1340	warn "end emergency map save\n";	1735	\@paths
1341	}	1736	}
1342		1737
1343	package cf;	1738	package cf;
1344		1739
1345	=back	1740	=back
1346		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
1347		1768
1348	=head3 cf::object::player	1769	=head3 cf::object::player
1349		1770
1350	=over 4	1771	=over 4
1351		1772
…		…
1391		1812
1392	=item $player_object->enter_link	1813	=item $player_object->enter_link
1393		1814
1394	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}>).
1395		1816
1396	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
1397	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1398		1819
		1820	Will never block.
		1821
1399	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1400		1823
1401	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1827	fails, to the emergency map position.
1405		1828
1406	Might block.	1829	Might block.
1407		1830
1408	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
1409		1842
1410	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1844	my ($self) = @_;
1412		1845
1413	return if $self->map == $LINK_MAP;	1846	$self->deactivate_recursive;
1414		1847
		1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1849
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1851	if $self->map;
1417		1852
1418	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1854	}
1421		1855
1422	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1424		1858
1425	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1426		1860
1427	unless ($map) {	1861	unless ($map) {
1428	# restore original map position	1862	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1431		1865
1432	unless ($map) {	1866	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1436	}	1870	}
1437	}	1871	}
1438		1872
1439	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1445		1879
1446	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1447		1882
		1883	return unless $self->contr->active;
1448	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1450	}	1888	}
1451		1889
		1890	cf::player->attach (
		1891	on_logout => sub {
		1892	my ($pl) = @_;
		1893
		1894	# abort map switching before logout
		1895	if ($pl->ob->{_link_pos}) {
		1896	cf::sync_job {
		1897	$pl->ob->leave_link
		1898	};
		1899	}
		1900	},
		1901	on_login => sub {
		1902	my ($pl) = @_;
		1903
		1904	# try to abort aborted map switching on player login :)
		1905	# should happen only on crashes
		1906	if ($pl->ob->{_link_pos}) {
		1907	$pl->ob->enter_link;
		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);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
		1915	Coro::Timer::sleep 1;
		1916	$pl->ob->leave_link;
		1917	})->prio (2);
		1918	}
		1919	},
		1920	);
		1921
1452	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1453		1923
1454	=cut	1924	=cut
1455		1925
1456	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1458		1928
1459	$self->enter_link;	1929	$self->enter_link;
1460		1930
1461	(Coro::async {	1931	(async {
1462	$path = new cf::path $path;	1932	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1466		1935	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1468	# if $map;
1469
1470	$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);
1471		1938
1472	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1940	})->prio (1);
1474	}	1941	}
1475		1942
…		…
1479		1946
1480	sub parse_random_map_params {	1947	sub parse_random_map_params {
1481	my ($spec) = @_;	1948	my ($spec) = @_;
1482		1949
1483	my $rmp = { # defaults	1950	my $rmp = { # defaults
1484	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1486	};	1955	};
1487		1956
1488	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1490		1959
…		…
1494	$rmp	1963	$rmp
1495	}	1964	}
1496		1965
1497	sub prepare_random_map {	1966	sub prepare_random_map {
1498	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1970
1500	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1973	# that depends on the exit object
1503		1974
1504	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1505		1976
1506	if ($exit->map) {	1977	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1511	}	1982	}
1512		1983
1513	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1514		1985
1515	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1989
1518	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) {
1519	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;
1520		1994
1521	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1996	$exit->msg (undef);
1523	}	1997	}
1524	}	1998	}
…		…
1526	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1528		2002
1529	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1530		2004
		2005	if ($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
1531	$self->enter_link;	2016	$self->enter_link;
1532		2017
1533	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	2020	unless (eval {
1535		2021	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		2022
1542	1;	2023	1;
1543	}) {	2024	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "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. "
1546	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2029
1549	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2031	$self->leave_link;
1551	}	2032	}
1552	})->prio (1);	2033	})->prio (1);
…		…
1565		2046
1566	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1568		2049
1569	utf8::encode $text;	2050	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2052	}
1572		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	}
1573		2066
1574	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1575		2068
1576	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1577	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>,
…		…
1602	on_reply => sub {	2095	on_reply => sub {
1603	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1604		2097
1605	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1606	# get handled first	2099	# get handled first
1607	my $queue = delete $ns->{query_queue};	2100	my $queue = delete $ns->{query_queue}
		2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2102
1609	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2105
1611	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1612		2107
1613	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2109	if (@$queue) {
…		…
1618	}	2113	}
1619	}	2114	}
1620	},	2115	},
1621	);	2116	);
1622		2117
1623	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1624		2119
1625	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1626	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,
1627	or loss of connection).	2122	or loss of connection).
1628		2123
1629	=cut	2124	=cut
1630		2125
1631	sub cf::client::coro {	2126	sub cf::client::async {
1632	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1633		2128
1634	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2130
1641	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1643	});	2133	});
1644		2134
…		…
1677		2167
1678	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1679		2169
1680	=pod	2170	=pod
1681		2171
1682	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1683		2173
1684	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2175	cf::object::player player
1686	cf::player peaceful	2176	cf::player peaceful
1687	cf::map trigger	2177	cf::map trigger
…		…
1780	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
1781	using it, it should be unique.	2271	using it, it should be unique.
1782		2272
1783	=over 4	2273	=over 4
1784		2274
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1792		2276
1793	Returns a single value from the database	2277	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2278
1800	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1801		2280
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2282
1813	=cut	2283	=cut
1814		2284
1815	our $DB;	2285	our $DB;
1816		2286
1817	{	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
1818	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;
1819		2306
1820	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2310	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2311
1825	my $pid;	2312	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2313	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2314	}
1874	);	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 { };
1875	}	2332	}
1876		2333
1877	#############################################################################	2334	#############################################################################
1878	# 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	}
1879		2399
1880	sub cfg_load {	2400	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2401	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2402	or return;
1883		2403
1884	local $/;	2404	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2405	*CFG = YAML::Syck::Load <$fh>;
		2406
		2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2412	if (exists $CFG{mlockall}) {
		2413	eval {
		2414	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2415	and die "WARNING: m(un)lockall failed: $!\n";
		2416	};
		2417	warn $@ if $@;
		2418	}
1886	}	2419	}
1887		2420
1888	sub main {	2421	sub main {
1889	# we must not ever block the main coroutine	2422	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2423	local $Coro::idle = sub {
1891	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#
1892	(Coro::unblock_sub {	2425	(async {
1893	Event::one_event;	2426	Event::one_event;
1894	})->();	2427	})->prio (Coro::PRIO_MAX);
1895	};	2428	};
1896		2429
1897	cfg_load;	2430	cfg_load;
1898	db_load;	2431	db_init;
1899	load_extensions;	2432	load_extensions;
		2433
		2434	$TICK_WATCHER->start;
1900	Event::loop;	2435	Event::loop;
1901	}	2436	}
1902		2437
1903	#############################################################################	2438	#############################################################################
1904	# 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 $make_core;
		2494	}
1905		2495
1906	sub reload() {	2496	sub reload() {
1907	# can/must only be called in main	2497	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2498	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2499	warn "can only reload from main coroutine";
1910	return;	2500	return;
1911	}	2501	}
1912		2502
1913	warn "reloading...";	2503	warn "reloading...";
1914		2504
1915	local $FREEZE = 1;	2505	warn "entering sync_job";
		2506
		2507	cf::sync_job {
		2508	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2509	cf::emergency_save;
		2510	cf::write_runtime; # external watchdog should not bark
1917		2511
1918	eval {	2512	warn "syncing database to disk";
		2513	BDB::db_env_txn_checkpoint $DB_ENV;
		2514
1919	# 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
1920		2516
1921	# cancel all watchers	2517	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2518	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2519	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2520	}
1925		2521
		2522	warn "flushing outstanding aio requests";
		2523	for (;;) {
		2524	BDB::flush;
		2525	IO::AIO::flush;
		2526	Coro::cede;
		2527	last unless IO::AIO::nreqs || BDB::nreqs;
		2528	warn "iterate...";
		2529	}
		2530
		2531	++$RELOAD;
		2532
1926	# cancel all extension coros	2533	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2534	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2535	%EXT_CORO = ();
1929		2536
1930	# unload all extensions	2537	warn "removing commands";
1931	for (@exts) {	2538	%COMMAND = ();
		2539
		2540	warn "removing ext commands";
		2541	%EXTCMD = ();
		2542
		2543	warn "unloading/nuking all extensions";
		2544	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2545	warn "... unloading $pkg";
1933	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: $@";
1934	}	2552	}
1935		2553
		2554	warn "... nuking $pkg";
		2555	Symbol::delete_package $pkg;
		2556	}
		2557
1936	# unload all modules loaded from $LIBDIR	2558	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2559	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2561
1940	warn "removing <$k>";	2562	warn "... unloading $k";
1941	delete $INC{$k};	2563	delete $INC{$k};
1942		2564
1943	$k =~ s/\.pm$//;	2565	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2566	$k =~ s/\//::/g;
1945		2567
…		…
1948	}	2570	}
1949		2571
1950	Symbol::delete_package $k;	2572	Symbol::delete_package $k;
1951	}	2573	}
1952		2574
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2575	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2576	Symbol::delete_package "safe::$_"
1959	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);
1960		2578
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2579	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2580	delete $INC{"cf.pm"};
1966		2581
1967	# don't, removes xs symbols, too,	2582	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2583	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2584	#Symbol::delete_package __PACKAGE__;
1970		2585
1971	# reload cf.pm	2586	warn "unload completed, starting to reload now";
		2587
1972	warn "reloading cf.pm";	2588	warn "reloading cf.pm";
1973	require cf;	2589	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2591
1976	# load config and database again	2592	warn "loading config and database again";
1977	cf::cfg_load;	2593	cf::cfg_load;
1978	cf::db_load;
1979		2594
1980	# load extensions
1981	warn "load extensions";	2595	warn "loading extensions";
1982	cf::load_extensions;	2596	cf::load_extensions;
1983		2597
1984	# reattach attachments to objects	2598	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2599	_global_reattach; # objects, sockets
1986	_global_reattach;	2600	warn "reattaching attachments to maps";
1987	};	2601	reattach $_ for values %MAP;
		2602	warn "reattaching attachments to players";
		2603	reattach $_ for values %PLAYER;
1988		2604
1989	if ($@) {	2605	warn "loading reloadable resources";
		2606	reload_resources;
		2607
		2608	warn "leaving sync_job";
		2609
		2610	1
		2611	} or do {
1990	warn $@;	2612	warn $@;
1991	warn "error while reloading, exiting.";	2613	warn "error while reloading, exiting.";
1992	exit 1;	2614	exit 1;
1993	}	2615	};
1994		2616
1995	warn "reloaded successfully";	2617	warn "reloaded";
1996	};	2618	};
1997		2619
1998	#############################################################################	2620	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2621
2043	register_command "reload" => sub {	2622	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2623	my ($who, $arg) = @_;
2045		2624
2046	if ($who->flag (FLAG_WIZ)) {	2625	if ($who->flag (FLAG_WIZ)) {
2047	$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 {
2048	reload;	2636	reload;
2049	$who->message ("end of reload.");	2637	undef $RELOAD_WATCHER;
		2638	},
		2639	);
2050	}	2640	}
2051	};	2641	};
2052		2642
2053	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	return unless $TICK_WATCHER->is_active;
		2652	my $signal = new Coro::Signal;
		2653	push @WAIT_FOR_TICK, $signal;
		2654	$signal->wait;
		2655	}
		2656
		2657	sub wait_for_tick_begin {
		2658	return unless $TICK_WATCHER->is_active;
		2659	my $signal = new Coro::Signal;
		2660	push @WAIT_FOR_TICK_BEGIN, $signal;
		2661	$signal->wait;
		2662	}
2054		2663
2055	$TICK_WATCHER = Event->timer (	2664	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2665	reentrant => 0,
		2666	parked => 1,
2057	prio => 0,	2667	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2668	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2669	data => WF_AUTOCANCEL,
2060	cb => sub {	2670	cb => sub {
2061	unless ($FREEZE) {	2671	if ($Coro::current != $Coro::main) {
		2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2673	unless ++$bug_warning > 10;
		2674	return;
		2675	}
		2676
		2677	$NOW = Event::time;
		2678
2062	cf::server_tick; # one server iteration	2679	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2680	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2681	$NEXT_TICK += $TICK;
		2682
		2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2684	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2685	Coro::async_pool {
		2686	write_runtime
		2687	or warn "ERROR: unable to write runtime file: $!";
		2688	};
		2689	}
		2690
		2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2692	$sig->send;
		2693	}
		2694	while (my $sig = shift @WAIT_FOR_TICK) {
		2695	$sig->send;
		2696	}
		2697
		2698	# my $AFTER = Event::time;
		2699	# warn $AFTER - $NOW;#d#
2067		2700
2068	# if we are delayed by four ticks or more, skip them all	2701	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2703
2071	$TICK_WATCHER->at ($NEXT_TICK);	2704	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2705	$TICK_WATCHER->start;
2073	},	2706	},
2074	);	2707	);
2075		2708
		2709	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2710	BDB::max_poll_time $TICK * 0.1;
2077		2711	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2712	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2713	fd => BDB::poll_fileno,
2080	poll => 'r',	2714	poll => 'r',
2081	prio => 5,	2715	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2716	data => WF_AUTOCANCEL,
2088	after => 0,	2717	cb => \&BDB::poll_cb,
2089	interval => 10,	2718	);
2090	cb => sub {	2719	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2720
2092	write_runtime	2721	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2722	my $status;
		2723	my $current = $Coro::current;
		2724	(
		2725	sub {
		2726	$status = $!;
		2727	$current->ready; undef $current;
		2728	},
		2729	sub {
		2730	Coro::schedule while defined $current;
		2731	$! = $status;
		2732	},
		2733	)
		2734	};
		2735
		2736	unless ($DB_ENV) {
		2737	$DB_ENV = BDB::db_env_create;
		2738
		2739	cf::sync_job {
		2740	eval {
		2741	BDB::db_env_open
		2742	$DB_ENV,
		2743	$BDB_ENV_DIR,
		2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2746	0666;
		2747
		2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2749
		2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2751	$DB_ENV->set_lk_detect;
		2752	};
		2753
		2754	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2755	};
2095	},	2756	}
2096	);	2757	}
		2758
		2759	{
		2760	IO::AIO::min_parallel 8;
		2761
		2762	undef $Coro::AIO::WATCHER;
		2763	IO::AIO::max_poll_time $TICK * 0.1;
		2764	$AIO_POLL_WATCHER = Event->io (
		2765	reentrant => 0,
		2766	data => WF_AUTOCANCEL,
		2767	fd => IO::AIO::poll_fileno,
		2768	poll => 'r',
		2769	prio => 6,
		2770	cb => \&IO::AIO::poll_cb,
		2771	);
		2772	}
		2773
		2774	END { cf::emergency_save }
2097		2775
2098	1	2776	1
2099		2777

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