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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available	103	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		104
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	105	sub cf::map::normalise;
78		106
79	#############################################################################	107	#############################################################################
80		108
81	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
82		110
…		…
106		134
107	=item %cf::CFG	135	=item %cf::CFG
108		136
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
116	BEGIN {	150	BEGIN {
117	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	152	my $msg = join "", @_;
119	utf8::encode $msg;
120		153
121	$msg .= "\n"	154	$msg .= "\n"
122	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
123		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	225	=item cf::lock_wait $string
180		226
181	sub to_json($) {	227	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228
183	JSON::Syck::Dump $_[0]	229	=item my $lock = cf::lock_acquire $string
		230
		231	Wait until the given lock is available and then acquires it and returns
		232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		233	for example when the coroutine gets canceled), the lock is automatically
		234	returned.
		235
		236	Lock names should begin with a unique identifier (for example, cf::map::find
		237	uses map_find and cf::map::load uses map_load).
		238
		239	=cut
		240
		241	our %LOCK;
		242
		243	sub lock_wait($) {
		244	my ($key) = @_;
		245
		246	# wait for lock, if any
		247	while ($LOCK{$key}) {
		248	push @{ $LOCK{$key} }, $Coro::current;
		249	Coro::schedule;
		250	}
184	}	251	}
		252
		253	sub lock_acquire($) {
		254	my ($key) = @_;
		255
		256	# wait, to be sure we are not locked
		257	lock_wait $key;
		258
		259	$LOCK{$key} = [];
		260
		261	Coro::guard {
		262	# wake up all waiters, to be on the safe side
		263	$_->ready for @{ delete $LOCK{$key} };
		264	}
		265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
185		286
186	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
187		288
188	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
205		306
206	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	308	# (but this is cancel-safe)
208	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
209		310
210	my $busy = 1;	311	my $busy = 1;
211	my @res;	312	my @res;
212		313
213	(Coro::async {	314	(async {
214	@res = eval { $job->() };	315	@res = eval { $job->() };
215	warn $@ if $@;	316	warn $@ if $@;
216	undef $busy;	317	undef $busy;
217	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
218		319
219	while ($busy) {	320	while ($busy) {
220	Coro::cede_notself;	321	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	322	}
223		323
224	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
225	} else {	325	} else {
226	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
227		327
228	$job->()	328	$job->()
229	}	329	}
230	}	330	}
231		331
232	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
233		333
234	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
236		336
237	=cut	337	=cut
238		338
239	sub coro(&) {	339	sub async_ext(&) {
240	my $cb = shift;	340	my $cb = shift;
241		341
242	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		343
249	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
251	});	346	});
252	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
253		348
254	$coro	349	$coro
255	}	350	}
256		351
257	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
258	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
259		356
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	358	or return;
262		359
		360	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	365	and return;
266		366
		367	# always fsync - this file is important
267	aio_fsync $fh	368	aio_fsync $fh
268	and return;	369	and return;
269		370
270	close $fh	371	close $fh
271	or return;	372	or return;
…		…
274	and return;	375	and return;
275		376
276	1	377	1
277	}	378	}
278		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
279	=back	391	=back
280		392
281	=cut	393	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		394
403	#############################################################################	395	#############################################################################
404		396
405	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
406		398
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	525	our @CB_MAP = ();
534		526
535	my %attachment;	527	my %attachment;
536		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
537	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
539		537
540	use sort 'stable';	538	use sort 'stable';
541		539
…		…
712	# object support	710	# object support
713		711
714	sub reattach {	712	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		717
718	my $registry = $obj->registry;	718	my $registry = $obj->registry;
719		719
720	@$registry = ();	720	@$registry = ();
721		721
…		…
768	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
769		769
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	774	close $fh;
775		775
776	if (@$objs) {	776	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	782	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
784	}	784	}
785	} else {	785	} else {
786	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
818	or return;	818	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
820	}	820	}
821		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	824	return ($data, $av);
823	}	825	}
824		826
825	#############################################################################	827	#############################################################################
826	# command handling &c	828	# command handling &c
…		…
851	=cut	853	=cut
852		854
853	sub register_extcmd {	855	sub register_extcmd {
854	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
855		857
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
860	}	859	}
861		860
862	cf::player->attach (	861	cf::player->attach (
863	on_command => sub {	862	on_command => sub {
864	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
877		876
878	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
879		878
880	if (ref $msg) {	879	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	883	}
885	}	884	}
886	} else {	885	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		888
890	cf::override;	889	cf::override;
891	},	890	},
892	);	891	);
893		892
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	893	sub load_extension {
901	my ($path) = @_;	894	my ($path) = @_;
902		895
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	897	my $base = $1;
905	my $pkg = $1;	898	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
908		901
909	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
910		903
911	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
912	or die "$path: $!";	905	or die "$path: $!";
913		906
914	my $source =	907	my $source =
915	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
918	. "\n};\n1";	911	. "\n};\n1";
919		912
920	eval $source	913	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	915	: "extension disabled.\n";
923		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	917	warn $@;
925	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
926		919	exit 1;
927	# no strict 'refs';	920	}
928	# @{"$pkg\::ISA"} = ext::;	921	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	922	}
943		923
944	# remove commands	924	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	925	}
969		926
970	sub load_extensions {	927	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	929	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
977	}	934	}
978	}	935	}
979		936
980	#############################################################################	937	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		938
1018	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1019		940
1020	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1021		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1022	=head3 cf::player	949	=head3 cf::player
1023		950
1024	=over 4	951	=over 4
1025		952
1026	=item cf::player::exists $login	953	=item cf::player::find $login
1027		954
1028	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1029		956
1030	=cut	957	=cut
1031		958
1032	sub cf::player::exists($) {	959	sub playerdir($) {
1033	cf::player::find $_[0]	960	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1035	}	965	}
1036		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1038		1139
1039	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1040		1141
1041	=cut	1142	=cut
1042		1143
1043	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1044	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1045		1146
1046	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1047		1148
1048	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1049	}	1191	}
1050		1192
1051	=back	1193	=back
1052
1053		1194
1054	=head3 cf::map	1195	=head3 cf::map
1055		1196
1056	=over 4	1197	=over 4
1057		1198
…		…
1060	package cf::map;	1201	package cf::map;
1061		1202
1062	use Fcntl;	1203	use Fcntl;
1063	use Coro::AIO;	1204	use Coro::AIO;
1064		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1065	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1067		1212
1068	sub generate_random_map {	1213	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1216	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1358	}
1086		1359
1087	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1088	# all maps in C++...	1361	# all maps in C++...
1089	sub change_all_map_light {	1362	sub change_all_map_light {
1090	my ($change) = @_;	1363	my ($change) = @_;
1091		1364
1092	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1093	}	1367	}
1094		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1095	sub try_load_header($) {	1377	sub load_header_from($) {
1096	my ($path) = @_;	1378	my ($self, $path) = @_;
1097		1379
1098	utf8::encode $path;	1380	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1100	or return;	1385	or return;
1101		1386
1102	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1103	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1104		1433
1105	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1106	or return;	1435	unless $self->default_region;
1107		1436
1108	$map->{load_path} = $path;	1437	1
1109
1110	$map
1111	}	1438	}
1112		1439
		1440	sub find;
1113	sub find_map {	1441	sub find {
1114	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1115		1443
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1445
		1446	cf::lock_wait "map_find:$path";
		1447
1121	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1122	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1450	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1451	or return;
1137		1452
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1453	$map->{last_save} = $cf::RUNTIME;
1149		1454
1150	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1461	$map->reset;
1152	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1153	}	1464	}
1154		1465
1155	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1156	}	1467	}
1157	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1158		1472
1159	sub load {	1473	sub load {
1160	my ($self) = @_;	1474	my ($self) = @_;
1161		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
		1478	my $path = $self->{path};
		1479	my $guard = cf::lock_acquire "map_load:$path";
		1480
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1482
1164	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1165		1484
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1169	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1491	or return;
1171		1492
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1494	if delete $self->{load_original};
1174		1495
1175	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1497	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1499	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1180	}	1501	}
1181	}	1502	}
1182		1503
		1504	Coro::cede;
1183	# now do the right thing for maps	1505	# now do the right thing for maps
1184	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1185		1508
1186	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1510	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1193	$self->set_darkness_map;	1514	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1196	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1197	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1198		1524
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1526	}
1201		1527
1202	sub load_map_sync {	1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1203	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1204		1563
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1206		1566
1207	cf::sync_job {	1567	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1209	or return;	1569
		1570	cf::sync_job { $map->load };
		1571	}
		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
1210	$map->load;	1591	$map->load;
1211	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1212	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1213	}	1601	}
1214		1602
1215	sub save {	1603	sub save {
1216	my ($self) = @_;	1604	my ($self) = @_;
1217		1605
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1607
1221	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1222		1609
1223	return unless $self->dirty;	1610	return unless $self->dirty;
1224		1611
		1612	my $save = $self->save_path; utf8::encode $save;
		1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1614
1225	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1226		1616
1227	return if $self->{deny_save};	1617	return if $self->{deny_save};
1228		1618
		1619	local $self->{last_access} = $self->last_access;#d#
		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1229	if ($uniq) {	1625	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1628	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1630	}
1235	}	1631	}
1236		1632
1237	sub swap_out {	1633	sub swap_out {
1238	my ($self) = @_;	1634	my ($self) = @_;
		1635
		1636	# save first because save cedes
		1637	$self->save;
		1638
		1639	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1640
1240	return if $self->players;	1641	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1643	return if $self->{deny_save};
1243		1644
1244	$self->save;
1245	$self->clear;	1645	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1646	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1647	}
1248		1648
1249	sub reset_at {	1649	sub reset_at {
1250	my ($self) = @_;	1650	my ($self) = @_;
1251		1651
1252	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1255		1655
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1658
…		…
1263	my ($self) = @_;	1663	my ($self) = @_;
1264		1664
1265	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1266	}	1666	}
1267		1667
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1668	sub reset {
1290	my ($self) = @_;	1669	my ($self) = @_;
1291		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1292	return if $self->players;	1673	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1294		1675
1295	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1296		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1297	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1298		1691
1299	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1300		1693
1301	$self->unlink_save;	1694	$self->unlink_save;
1302	$self->destroy;	1695	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1306		1699
1307	sub nuke {	1700	sub nuke {
1308	my ($self) = @_;	1701	my ($self) = @_;
1309		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1313	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1314	}	1716	}
1315		1717
1316	sub customise_for {	1718	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1719
1319	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1321	}
1322		1722
1323	$map	1723	=cut
1324	}
1325		1724
1326	sub emergency_save {	1725	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1328		1728
1329	warn "enter emergency map save\n";	1729	my @paths;
1330		1730
1331	cf::sync_job {	1731	for (@$files) {
1332	warn "begin emergency map save\n";	1732	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1334	};	1737	}
1335		1738
1336	warn "end emergency map save\n";	1739	\@paths
1337	}	1740	}
1338		1741
1339	package cf;	1742	package cf;
1340		1743
1341	=back	1744	=back
1342		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1343		1772
1344	=head3 cf::object::player	1773	=head3 cf::object::player
1345		1774
1346	=over 4	1775	=over 4
1347		1776
…		…
1383	(ref $cf::CFG{"may_$access"}	1812	(ref $cf::CFG{"may_$access"}
1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1813	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1385	: $cf::CFG{"may_$access"})	1814	: $cf::CFG{"may_$access"})
1386	}	1815	}
1387		1816
		1817	=item $player_object->enter_link
		1818
		1819	Freezes the player and moves him/her to a special map (C<{link}>).
		1820
		1821	The player should be reasonably safe there for short amounts of time. You
		1822	I<MUST> call C<leave_link> as soon as possible, though.
		1823
		1824	Will never block.
		1825
		1826	=item $player_object->leave_link ($map, $x, $y)
		1827
		1828	Moves the player out of the special C<{link}> map onto the specified
		1829	map. If the map is not valid (or omitted), the player will be moved back
		1830	to the location he/she was before the call to C<enter_link>, or, if that
		1831	fails, to the emergency map position.
		1832
		1833	Might block.
		1834
		1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
		1846
1388	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1389	my ($self) = @_;	1848	my ($self) = @_;
1390		1849
1391	return if $self->map == $LINK_MAP;	1850	$self->deactivate_recursive;
1392		1851
		1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1853
1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1394	if $self->map;	1855	if $self->map;
1395		1856
1396	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1397	$self->deactivate_recursive;
1398	}	1858	}
1399		1859
1400	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1401	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1402		1862
1403	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1404		1864
1405	unless ($map) {	1865	unless ($map) {
1406	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1407
1408	# restore original map position	1866	# restore original map position
1409	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1410	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1411		1869
1412	unless ($map) {	1870	unless ($map) {
1413	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1414	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1415	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1416	}	1874	}
1417	}	1875	}
1418		1876
1419	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1422	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1423	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1424	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1425		1883
1426	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1427		1886
		1887	return unless $self->contr->active;
1428	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1429	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1430	}	1892	}
1431		1893
		1894	cf::player->attach (
		1895	on_logout => sub {
		1896	my ($pl) = @_;
		1897
		1898	# abort map switching before logout
		1899	if ($pl->ob->{_link_pos}) {
		1900	cf::sync_job {
		1901	$pl->ob->leave_link
		1902	};
		1903	}
		1904	},
		1905	on_login => sub {
		1906	my ($pl) = @_;
		1907
		1908	# try to abort aborted map switching on player login :)
		1909	# should happen only on crashes
		1910	if ($pl->ob->{_link_pos}) {
		1911	$pl->ob->enter_link;
		1912	(async {
		1913	$pl->ob->reply (undef,
		1914	"There was an internal problem at your last logout, "
		1915	. "the server will try to bring you to your intended destination in a second.",
		1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
		1919	Coro::Timer::sleep 1;
		1920	$pl->ob->leave_link;
		1921	})->prio (2);
		1922	}
		1923	},
		1924	);
		1925
1432	=item $player_object->goto_map ($map, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1433		1927
1434	=cut	1928	=cut
1435		1929
1436	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1437	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1438		1932
1439	$self->enter_link;	1933	$self->enter_link;
1440		1934
1441	(Coro::async {	1935	(async {
1442	$path = new cf::path $path;	1936	my $map = eval {
1443
1444	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1445	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1446
1447	warn "entering ", $map->path, " at ($x, $y)\n"
1448	if $map;	1939	$map
		1940	} or
		1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1449		1942
1450	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1451	})->prio (1);	1944	})->prio (1);
1452	}	1945	}
1453		1946
…		…
1457		1950
1458	sub parse_random_map_params {	1951	sub parse_random_map_params {
1459	my ($spec) = @_;	1952	my ($spec) = @_;
1460		1953
1461	my $rmp = { # defaults	1954	my $rmp = { # defaults
1462	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1463	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1464	};	1959	};
1465		1960
1466	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1467	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1468		1963
…		…
1472	$rmp	1967	$rmp
1473	}	1968	}
1474		1969
1475	sub prepare_random_map {	1970	sub prepare_random_map {
1476	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1477		1974
1478	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1479	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1480	# that depends on the exit object	1977	# that depends on the exit object
1481		1978
1482	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1483		1980
1484	if ($exit->map) {	1981	if ($exit->map) {
1485	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1486	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1487	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1488	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1489	}	1986	}
1490		1987
1491	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1492		1989
1493	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1494	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1495		1993
1496	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1497	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1498		1998
1499	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1500	$exit->msg (undef);	2000	$exit->msg (undef);
1501	}	2001	}
1502	}	2002	}
…		…
1504	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1505	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1506		2006
1507	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1508		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1509	$self->enter_link;	2020	$self->enter_link;
1510		2021
1511	(Coro::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1512	unless (eval {	2024	unless (eval {
1513		2025	$self->goto ($slaying, $hp, $sp);
1514	prepare_random_map $exit
1515	if $exit->slaying eq "/!";
1516
1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1519		2026
1520	1;	2027	1;
1521	}) {	2028	}) {
1522	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1523	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1524	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1525	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1526		2033
1527	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1528	$self->leave_link;	2035	$self->leave_link;
1529	}	2036	}
1530	})->prio (1);	2037	})->prio (1);
…		…
1543		2050
1544	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1545	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1546		2053
1547	utf8::encode $text;	2054	utf8::encode $text;
1548	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1549	}	2056	}
1550		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1551		2070
1552	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1553		2072
1554	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1555	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1580	on_reply => sub {	2099	on_reply => sub {
1581	my ($ns, $msg) = @_;	2100	my ($ns, $msg) = @_;
1582		2101
1583	# this weird shuffling is so that direct followup queries	2102	# this weird shuffling is so that direct followup queries
1584	# get handled first	2103	# get handled first
1585	my $queue = delete $ns->{query_queue};	2104	my $queue = delete $ns->{query_queue}
		2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1586		2106
1587	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1588		2109
1589	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1590		2111
1591	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1592	if (@$queue) {	2113	if (@$queue) {
…		…
1596	}	2117	}
1597	}	2118	}
1598	},	2119	},
1599	);	2120	);
1600		2121
1601	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1602		2123
1603	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1604	be automatically cancelled when the client gets destroyed (e.g. on logout,	2125	be automatically cancelled when the client gets destroyed (e.g. on logout,
1605	or loss of connection).	2126	or loss of connection).
1606		2127
1607	=cut	2128	=cut
1608		2129
1609	sub cf::client::coro {	2130	sub cf::client::async {
1610	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1611		2132
1612	my $coro; $coro = async {	2133	my $coro = &Coro::async ($cb);
1613	eval {
1614	$cb->();
1615	};
1616	warn $@ if $@;
1617	};
1618		2134
1619	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1620	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1621	});	2137	});
1622		2138
…		…
1655		2171
1656	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1657		2173
1658	=pod	2174	=pod
1659		2175
1660	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1661		2177
1662	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1663	cf::object::player player	2179	cf::object::player player
1664	cf::player peaceful	2180	cf::player peaceful
1665	cf::map trigger	2181	cf::map trigger
…		…
1750	#############################################################################	2266	#############################################################################
1751		2267
1752	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1753		2269
1754	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1755	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1756	excludes objects.	2272	convert to/from binary).
1757		2273
1758	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1759	using it, it should be unique.	2275	using it, it should be unique.
1760		2276
1761	=over 4	2277	=over 4
1762		2278
1763	=item $hashref = cf::db_get $family
1764
1765	Return a hashref for use by the extension C<$family>, which can be
1766	modified. After modifications, you have to call C<cf::db_dirty> or
1767	C<cf::db_sync>.
1768
1769	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1770		2280
1771	Returns a single value from the database	2281	Returns a single value from the database.
1772
1773	=item cf::db_put $family => $hashref
1774
1775	Stores the given family hashref into the database. Updates are delayed, if
1776	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1777		2282
1778	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1779		2284
1780	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1781	want the data to be synced to disk immediately, use C<cf::db_sync>.
1782
1783	=item cf::db_dirty
1784
1785	Marks the database as dirty, to be updated at a later time.
1786
1787	=item cf::db_sync
1788
1789	Immediately write the database to disk I<if it is dirty>.
1790		2286
1791	=cut	2287	=cut
1792		2288
1793	our $DB;	2289	our $DB;
1794		2290
1795	{	2291	sub db_init {
1796	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1797		2294
1798	sub db_load() {	2295	cf::sync_job {
1799	warn "loading database $path\n";#d# remove later	2296	eval {
1800	$DB = stat $path ? Storable::retrieve $path : { };	2297	$DB->set_flags (BDB::CHKSUM);
1801	}
1802		2298
1803	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1804		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1805	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1806	warn "saving database $path\n";#d# remove later	2302	};
1807	waitpid $pid, 0 if $pid;	2303	cf::cleanup "db_open(db): $@" if $@;
1808	if (0 == ($pid = fork)) {
1809	$DB->{_meta}{version} = 1;
1810	Storable::nstore $DB, "$path~";
1811	rename "$path~", $path;
1812	cf::_exit 0 if defined $pid;
1813	}	2304	};
1814	}
1815
1816	my $dirty;
1817
1818	sub db_sync() {
1819	db_save if $dirty;
1820	undef $dirty;
1821	}
1822
1823	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1824	db_sync;
1825	});	2305	}
		2306	}
1826		2307
1827	sub db_dirty() {
1828	$dirty = 1;
1829	$idle->start;
1830	}
1831
1832	sub db_get($;$) {	2308	sub db_get($$) {
1833	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1834	? $DB->{$_[0]}{$_[1]}
1835	: ($DB->{$_[0]} ||= { })
1836	}
1837		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1838	sub db_put($$;$) {	2319	sub db_put($$$) {
1839	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1840	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1841	} else {	2322	}
1842	$DB->{$_[0]} = $_[1];
1843	}
1844	db_dirty;
1845	}
1846		2323
1847	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1848	prio => 10000,	2325
1849	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1850	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1851	},	2356	}
1852	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
1853	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1854		2434
1855	#############################################################################	2435	#############################################################################
1856	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
1857		2524
1858	sub cfg_load {	2525	sub cfg_load {
1859	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1860	or return;	2527	or return;
1861		2528
1862	local $/;	2529	local $/;
1863	*CFG = YAML::Syck::Load <$fh>;	2530	*CFG = YAML::Syck::Load <$fh>;
		2531
		2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2533
		2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2536
		2537	if (exists $CFG{mlockall}) {
		2538	eval {
		2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2540	and die "WARNING: m(un)lockall failed: $!\n";
		2541	};
		2542	warn $@ if $@;
		2543	}
1864	}	2544	}
1865		2545
1866	sub main {	2546	sub main {
1867	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
1868	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1870	(Coro::unblock_sub {	2550	(async {
1871	Event::one_event;	2551	Event::one_event;
1872	})->();	2552	})->prio (Coro::PRIO_MAX);
1873	};	2553	};
1874		2554
1875	cfg_load;	2555	cfg_load;
1876	db_load;	2556	db_init;
1877	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
1878	Event::loop;	2560	Event::loop;
1879	}	2561	}
1880		2562
1881	#############################################################################	2563	#############################################################################
1882	# initialisation	2564	# initialisation and cleanup
1883		2565
		2566	# install some emergency cleanup handlers
		2567	BEGIN {
		2568	for my $signal (qw(INT HUP TERM)) {
		2569	Event->signal (
		2570	reentrant => 0,
		2571	data => WF_AUTOCANCEL,
		2572	signal => $signal,
		2573	prio => 0,
		2574	cb => sub {
		2575	cf::cleanup "SIG$signal";
		2576	},
		2577	);
		2578	}
		2579	}
		2580
		2581	sub emergency_save() {
		2582	my $freeze_guard = cf::freeze_mainloop;
		2583
		2584	warn "enter emergency perl save\n";
		2585
		2586	cf::sync_job {
		2587	# use a peculiar iteration method to avoid tripping on perl
		2588	# refcount bugs in for. also avoids problems with players
		2589	# and maps saved/destroyed asynchronously.
		2590	warn "begin emergency player save\n";
		2591	for my $login (keys %cf::PLAYER) {
		2592	my $pl = $cf::PLAYER{$login} or next;
		2593	$pl->valid or next;
		2594	$pl->save;
		2595	}
		2596	warn "end emergency player save\n";
		2597
		2598	warn "begin emergency map save\n";
		2599	for my $path (keys %cf::MAP) {
		2600	my $map = $cf::MAP{$path} or next;
		2601	$map->valid or next;
		2602	$map->save;
		2603	}
		2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
		2609	};
		2610
		2611	warn "leave emergency perl save\n";
		2612	}
		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
1884	sub reload() {	2621	sub do_reload_perl() {
1885	# can/must only be called in main	2622	# can/must only be called in main
1886	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
1887	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
1888	return;	2625	return;
1889	}	2626	}
1890		2627
1891	warn "reloading...";	2628	warn "reloading...";
1892		2629
1893	local $FREEZE = 1;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
1894	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
1895		2636
1896	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
1897	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
1898		2641
1899	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
1900	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
1901	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
1902	}	2645	}
1903		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
1904	# cancel all extension coros	2658	warn "cancelling all extension coros";
1905	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
1906	%EXT_CORO = ();	2660	%EXT_CORO = ();
1907		2661
1908	# unload all extensions	2662	warn "removing commands";
1909	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
1910	warn "unloading <$_>";	2670	warn "... unloading $pkg";
1911	unload_extension $_;	2671
		2672	if (my $cb = $pkg->can ("unload")) {
		2673	eval {
		2674	$cb->($pkg);
		2675	1
		2676	} or warn "$pkg unloaded, but with errors: $@";
1912	}	2677	}
1913		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
1914	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
1915	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
1916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1917		2686
1918	warn "removing <$k>";	2687	warn "... unloading $k";
1919	delete $INC{$k};	2688	delete $INC{$k};
1920		2689
1921	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
1922	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
1923		2692
…		…
1926	}	2695	}
1927		2696
1928	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
1929	}	2698	}
1930		2699
1931	# sync database to disk
1932	cf::db_sync;
1933	IO::AIO::flush;
1934
1935	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
1936	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
1937	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1938		2703
1939	# remove register_script_function callbacks
1940	# TODO
1941
1942	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
1943	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
1944		2706
1945	# don't, removes xs symbols, too,	2707	# don't, removes xs symbols, too,
1946	# and global variables created in xs	2708	# and global variables created in xs
1947	#Symbol::delete_package __PACKAGE__;	2709	#Symbol::delete_package __PACKAGE__;
1948		2710
1949	# reload cf.pm	2711	warn "unload completed, starting to reload now";
		2712
1950	warn "reloading cf.pm";	2713	warn "reloading cf.pm";
1951	require cf;	2714	require cf;
1952	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1953		2716
1954	# load config and database again	2717	warn "loading config and database again";
1955	cf::cfg_load;	2718	cf::cfg_load;
1956	cf::db_load;
1957		2719
1958	# load extensions
1959	warn "load extensions";	2720	warn "loading extensions";
1960	cf::load_extensions;	2721	cf::load_extensions;
1961		2722
1962	# reattach attachments to objects	2723	warn "reattaching attachments to objects/players";
1963	warn "reattach";	2724	_global_reattach; # objects, sockets
1964	_global_reattach;	2725	warn "reattaching attachments to maps";
1965	};	2726	reattach $_ for values %MAP;
		2727	warn "reattaching attachments to players";
		2728	reattach $_ for values %PLAYER;
1966		2729
1967	if ($@) {	2730	warn "leaving sync_job";
		2731
		2732	1
		2733	} or do {
1968	warn $@;	2734	warn $@;
1969	warn "error while reloading, exiting.";	2735	warn "error while reloading, exiting.";
1970	exit 1;	2736	exit 1;
1971	}	2737	};
1972		2738
1973	warn "reloaded successfully";	2739	warn "reloaded";
1974	};	2740	};
1975		2741
1976	#############################################################################	2742	our $RELOAD_WATCHER; # used only during reload
1977		2743
1978	unless ($LINK_MAP) {	2744	sub reload_perl() {
1979	$LINK_MAP = cf::map::new;	2745	# doing reload synchronously and two reloads happen back-to-back,
		2746	# coro crashes during coro_state_free->destroy here.
1980		2747
1981	$LINK_MAP->width (41);	2748	$RELOAD_WATCHER ||= Event->timer (
1982	$LINK_MAP->height (41);	2749	reentrant => 0,
1983	$LINK_MAP->alloc;
1984	$LINK_MAP->path ("{link}");
1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1987
1988	# dirty hack because... archetypes are not yet loaded
1989	Event->timer (
1990	after => 2,	2750	after => 0,
		2751	data => WF_AUTOCANCEL,
1991	cb => sub {	2752	cb => sub {
1992	$_[0]->w->cancel;	2753	do_reload_perl;
1993		2754	undef $RELOAD_WATCHER;
1994	# provide some exits "home"
1995	my $exit = cf::object::new "exit";
1996
1997	$exit->slaying ($EMERGENCY_POSITION->[0]);
1998	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1999	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2000
2001	$LINK_MAP->insert ($exit->clone, 19, 19);
2002	$LINK_MAP->insert ($exit->clone, 19, 20);
2003	$LINK_MAP->insert ($exit->clone, 19, 21);
2004	$LINK_MAP->insert ($exit->clone, 20, 19);
2005	$LINK_MAP->insert ($exit->clone, 20, 21);
2006	$LINK_MAP->insert ($exit->clone, 21, 19);
2007	$LINK_MAP->insert ($exit->clone, 21, 20);
2008	$LINK_MAP->insert ($exit->clone, 21, 21);
2009
2010	$exit->destroy;
2011	});	2755	},
2012		2756	);
2013	$LINK_MAP->{deny_save} = 1;
2014	$LINK_MAP->{deny_reset} = 1;
2015
2016	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2017	}	2757	}
2018
2019	register "<global>", __PACKAGE__;
2020		2758
2021	register_command "reload" => sub {	2759	register_command "reload" => sub {
2022	my ($who, $arg) = @_;	2760	my ($who, $arg) = @_;
2023		2761
2024	if ($who->flag (FLAG_WIZ)) {	2762	if ($who->flag (FLAG_WIZ)) {
2025	$who->message ("start of reload.");
2026	reload;
2027	$who->message ("end of reload.");	2763	$who->message ("reloading server.");
		2764	async { reload_perl };
2028	}	2765	}
2029	};	2766	};
2030		2767
2031	unshift @INC, $LIBDIR;	2768	unshift @INC, $LIBDIR;
		2769
		2770	my $bug_warning = 0;
		2771
		2772	our @WAIT_FOR_TICK;
		2773	our @WAIT_FOR_TICK_BEGIN;
		2774
		2775	sub wait_for_tick {
		2776	return unless $TICK_WATCHER->is_active;
		2777	return if $Coro::current == $Coro::main;
		2778
		2779	my $signal = new Coro::Signal;
		2780	push @WAIT_FOR_TICK, $signal;
		2781	$signal->wait;
		2782	}
		2783
		2784	sub wait_for_tick_begin {
		2785	return unless $TICK_WATCHER->is_active;
		2786	return if $Coro::current == $Coro::main;
		2787
		2788	my $signal = new Coro::Signal;
		2789	push @WAIT_FOR_TICK_BEGIN, $signal;
		2790	$signal->wait;
		2791	}
2032		2792
2033	$TICK_WATCHER = Event->timer (	2793	$TICK_WATCHER = Event->timer (
2034	reentrant => 0,	2794	reentrant => 0,
		2795	parked => 1,
2035	prio => 0,	2796	prio => 0,
2036	at => $NEXT_TICK || $TICK,	2797	at => $NEXT_TICK || $TICK,
2037	data => WF_AUTOCANCEL,	2798	data => WF_AUTOCANCEL,
2038	cb => sub {	2799	cb => sub {
2039	unless ($FREEZE) {	2800	if ($Coro::current != $Coro::main) {
		2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2802	unless ++$bug_warning > 10;
		2803	return;
		2804	}
		2805
		2806	$NOW = Event::time;
		2807
2040	cf::server_tick; # one server iteration	2808	cf::server_tick; # one server iteration
		2809
2041	$RUNTIME += $TICK;	2810	$RUNTIME += $TICK;
2042	}
2043
2044	$NEXT_TICK += $TICK;	2811	$NEXT_TICK += $TICK;
		2812
		2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2814	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2815	Coro::async_pool {
		2816	write_runtime
		2817	or warn "ERROR: unable to write runtime file: $!";
		2818	};
		2819	}
		2820
		2821	# my $AFTER = Event::time;
		2822	# warn $AFTER - $NOW;#d#
2045		2823
2046	# if we are delayed by four ticks or more, skip them all	2824	# if we are delayed by four ticks or more, skip them all
2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2048		2826
2049	$TICK_WATCHER->at ($NEXT_TICK);	2827	$TICK_WATCHER->at ($NEXT_TICK);
2050	$TICK_WATCHER->start;	2828	$TICK_WATCHER->start;
		2829
		2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2831	$sig->send;
		2832	}
		2833	while (my $sig = shift @WAIT_FOR_TICK) {
		2834	$sig->send;
		2835	}
		2836
		2837	_post_tick;
2051	},	2838	},
2052	);	2839	);
2053		2840
		2841	{
2054	IO::AIO::max_poll_time $TICK * 0.2;	2842	BDB::max_poll_time $TICK * 0.1;
2055		2843	$BDB_POLL_WATCHER = Event->io (
2056	Event->io (	2844	reentrant => 0,
2057	fd => IO::AIO::poll_fileno,	2845	fd => BDB::poll_fileno,
2058	poll => 'r',	2846	poll => 'r',
2059	prio => 5,	2847	prio => 0,
2060	data => WF_AUTOCANCEL,
2061	cb => \&IO::AIO::poll_cb,
2062	);
2063
2064	Event->timer (
2065	data => WF_AUTOCANCEL,	2848	data => WF_AUTOCANCEL,
2066	after => 0,	2849	cb => \&BDB::poll_cb,
2067	interval => 10,	2850	);
2068	cb => sub {	2851	BDB::min_parallel 8;
2069	(Coro::unblock_sub {	2852
2070	write_runtime	2853	BDB::set_sync_prepare {
2071	or warn "ERROR: unable to write runtime file: $!";	2854	my $status;
		2855	my $current = $Coro::current;
		2856	(
		2857	sub {
		2858	$status = $!;
		2859	$current->ready; undef $current;
		2860	},
		2861	sub {
		2862	Coro::schedule while defined $current;
		2863	$! = $status;
		2864	},
		2865	)
		2866	};
		2867
		2868	unless ($DB_ENV) {
		2869	$DB_ENV = BDB::db_env_create;
		2870
		2871	cf::sync_job {
		2872	eval {
		2873	BDB::db_env_open
		2874	$DB_ENV,
		2875	$BDB_ENV_DIR,
		2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2878	0666;
		2879
		2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2881
		2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2883	$DB_ENV->set_lk_detect;
		2884	};
		2885
		2886	cf::cleanup "db_env_open(db): $@" if $@;
2072	})->();	2887	};
2073	},	2888	}
2074	);	2889	}
		2890
		2891	{
		2892	IO::AIO::min_parallel 8;
		2893
		2894	undef $Coro::AIO::WATCHER;
		2895	IO::AIO::max_poll_time $TICK * 0.1;
		2896	$AIO_POLL_WATCHER = Event->io (
		2897	reentrant => 0,
		2898	data => WF_AUTOCANCEL,
		2899	fd => IO::AIO::poll_fileno,
		2900	poll => 'r',
		2901	prio => 6,
		2902	cb => \&IO::AIO::poll_cb,
		2903	);
		2904	}
		2905
		2906	# load additional modules
		2907	use cf::pod;
		2908
		2909	END { cf::emergency_save }
2075		2910
2076	1	2911	1
2077		2912

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