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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.117 by root, Mon Jan 1 17:50:26 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available	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_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1454
1151	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;
1152	$map->reset;	1461	$map->reset;
1153	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1154	}	1464	}
1155		1465
1156	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1157	}	1467	}
1158	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1159		1472
1160	sub load {	1473	sub load {
1161	my ($self) = @_;	1474	my ($self) = @_;
1162		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
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1482
1165	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1166		1484
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1170	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1491	or return;
1172		1492
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1494	if delete $self->{load_original};
1175		1495
1176	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1497	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1499	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1181	}	1501	}
1182	}	1502	}
1183		1503
		1504	Coro::cede;
1184	# now do the right thing for maps	1505	# now do the right thing for maps
1185	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1186		1508
1187	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1510	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1194	$self->set_darkness_map;	1514	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1197	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1198	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1199		1524
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1526	}
1202		1527
1203	sub load_map_sync {	1528	sub customise_for {
		1529	my ($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	$neigh->load;
		1558	}
		1559	}
		1560
		1561	sub find_sync {
1204	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1205		1563
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1564	cf::sync_job { find $path, $origin }
		1565	}
1207		1566
1208	cf::sync_job {	1567	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1568	my ($map) = @_;
1210	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;
1211	$map->load;	1591	$map->load;
1212	$map	1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
1213	}	1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
1214	}	1601	}
1215		1602
1216	sub save {	1603	sub save {
1217	my ($self) = @_;	1604	my ($self) = @_;
1218		1605
		1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1607
1219	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1220		1609
1221	return unless $self->dirty;	1610	return unless $self->dirty;
1222		1611
1223	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1224	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1225		1614
1226	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1227		1616
1228	return if $self->{deny_save};	1617	return if $self->{deny_save};
1229		1618
		1619	local $self->{last_access} = $self->last_access;#d#
		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1230	if ($uniq) {	1625	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1628	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}	1630	}
1236	}	1631	}
1237		1632
1238	sub swap_out {	1633	sub swap_out {
1239	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;
1240		1640
1241	return if $self->players;	1641	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1643	return if $self->{deny_save};
1244		1644
1245	$self->save;
1246	$self->clear;	1645	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1646	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1647	}
1249		1648
1250	sub reset_at {	1649	sub reset_at {
1251	my ($self) = @_;	1650	my ($self) = @_;
1252		1651
1253	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1256		1655
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1658
…		…
1264	my ($self) = @_;	1663	my ($self) = @_;
1265		1664
1266	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1267	}	1666	}
1268		1667
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1668	sub reset {
1291	my ($self) = @_;	1669	my ($self) = @_;
1292		1670
		1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1672
1293	return if $self->players;	1673	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1295		1675
1296	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1297		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
1298	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1299		1691
1300	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1301		1693
1302	$self->unlink_save;	1694	$self->unlink_save;
1303	$self->destroy;	1695	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1307		1699
1308	sub nuke {	1700	sub nuke {
1309	my ($self) = @_;	1701	my ($self) = @_;
1310		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1314	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1315	}	1716	}
1316		1717
1317	sub customise_for {	1718	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1719
1320	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1322	}
1323		1722
1324	$map	1723	=cut
1325	}
1326		1724
1327	sub emergency_save {	1725	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1329		1728
1330	warn "enter emergency map save\n";	1729	my @paths;
1331		1730
1332	cf::sync_job {	1731	for (@$files) {
1333	warn "begin emergency map save\n";	1732	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1335	};	1737	}
1336		1738
1337	warn "end emergency map save\n";	1739	\@paths
1338	}	1740	}
1339		1741
1340	package cf;	1742	package cf;
1341		1743
1342	=back	1744	=back
1343		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
1344		1772
1345	=head3 cf::object::player	1773	=head3 cf::object::player
1346		1774
1347	=over 4	1775	=over 4
1348		1776
…		…
1388		1816
1389	=item $player_object->enter_link	1817	=item $player_object->enter_link
1390		1818
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1820
1393	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1395		1823
		1824	Will never block.
		1825
1396	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1397		1827
1398	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1831	fails, to the emergency map position.
1402		1832
1403	Might block.	1833	Might block.
1404		1834
1405	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1406		1846
1407	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1848	my ($self) = @_;
1409		1849
1410	return if $self->map == $LINK_MAP;	1850	$self->deactivate_recursive;
1411		1851
		1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1853
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1855	if $self->map;
1414		1856
1415	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1858	}
1418		1859
1419	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1421		1862
1422	my $link_pos = delete $self->{_link_pos};	1863	my $link_pos = delete $self->{_link_pos};
1423		1864
1424	unless ($map) {	1865	unless ($map) {
1425	# restore original map position	1866	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1867	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1868	$map = cf::map::find $map;
1428		1869
1429	unless ($map) {	1870	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1871	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1872	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1873	or die "FATAL: cannot load emergency map\n";
1433	}	1874	}
1434	}	1875	}
1435		1876
1436	($x, $y) = (-1, -1)	1877	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1442		1883
1443	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1444		1886
		1887	return unless $self->contr->active;
1445	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1447	}	1892	}
1448		1893
		1894	cf::player->attach (
		1895	on_logout => sub {
		1896	my ($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
1449	=item $player_object->goto_map ($map, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
1450		1927
1451	=cut	1928	=cut
1452		1929
1453	sub cf::object::player::goto_map {	1930	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1455		1932
1456	$self->enter_link;	1933	$self->enter_link;
1457		1934
1458	(Coro::async {	1935	(async {
1459	$path = new cf::path $path;	1936	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1937	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1939	$map
1466		1940	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1942
1469	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1944	})->prio (1);
1471	}	1945	}
1472		1946
…		…
1476		1950
1477	sub parse_random_map_params {	1951	sub parse_random_map_params {
1478	my ($spec) = @_;	1952	my ($spec) = @_;
1479		1953
1480	my $rmp = { # defaults	1954	my $rmp = { # defaults
1481	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1483	};	1959	};
1484		1960
1485	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1487		1963
…		…
1491	$rmp	1967	$rmp
1492	}	1968	}
1493		1969
1494	sub prepare_random_map {	1970	sub prepare_random_map {
1495	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1974
1497	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1977	# that depends on the exit object
1500		1978
1501	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1502		1980
1503	if ($exit->map) {	1981	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1508	}	1986	}
1509		1987
1510	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1511		1989
1512	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1993
1515	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) {
1516	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;
1517		1998
1518	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	2000	$exit->msg (undef);
1520	}	2001	}
1521	}	2002	}
…		…
1523	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1525		2006
1526	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1527		2008
		2009	if ($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
1528	$self->enter_link;	2020	$self->enter_link;
1529		2021
1530	(Coro::async {	2022	(async {
		2023	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	2024	unless (eval {
1532		2025	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		2026
1539	1;	2027	1;
1540	}) {	2028	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "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. "
1543	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1545		2033
1546	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	2035	$self->leave_link;
1548	}	2036	}
1549	})->prio (1);	2037	})->prio (1);
…		…
1562		2050
1563	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1565		2053
1566	utf8::encode $text;	2054	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2056	}
1569		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	}
1570		2070
1571	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1572		2072
1573	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1574	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>,
…		…
1599	on_reply => sub {	2099	on_reply => sub {
1600	my ($ns, $msg) = @_;	2100	my ($ns, $msg) = @_;
1601		2101
1602	# this weird shuffling is so that direct followup queries	2102	# this weird shuffling is so that direct followup queries
1603	# get handled first	2103	# get handled first
1604	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
1605		2106
1606	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2109
1608	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1609		2111
1610	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2113	if (@$queue) {
…		…
1615	}	2117	}
1616	}	2118	}
1617	},	2119	},
1618	);	2120	);
1619		2121
1620	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1621		2123
1622	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1623	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,
1624	or loss of connection).	2126	or loss of connection).
1625		2127
1626	=cut	2128	=cut
1627		2129
1628	sub cf::client::coro {	2130	sub cf::client::async {
1629	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1630		2132
1631	my $coro; $coro = async {	2133	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2134
1638	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1640	});	2137	});
1641		2138
…		…
1674		2171
1675	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1676		2173
1677	=pod	2174	=pod
1678		2175
1679	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1680		2177
1681	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1682	cf::object::player player	2179	cf::object::player player
1683	cf::player peaceful	2180	cf::player peaceful
1684	cf::map trigger	2181	cf::map trigger
…		…
1769	#############################################################################	2266	#############################################################################
1770		2267
1771	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1772		2269
1773	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1774	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1775	excludes objects.	2272	convert to/from binary).
1776		2273
1777	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
1778	using it, it should be unique.	2275	using it, it should be unique.
1779		2276
1780	=over 4	2277	=over 4
1781		2278
1782	=item $hashref = cf::db_get $family
1783
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1789		2280
1790	Returns a single value from the database	2281	Returns a single value from the database.
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796		2282
1797	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1798		2284
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809		2286
1810	=cut	2287	=cut
1811		2288
1812	our $DB;	2289	our $DB;
1813		2290
1814	{	2291	sub db_init {
1815	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1816		2294
1817	sub db_load() {	2295	cf::sync_job {
1818	warn "loading database $path\n";#d# remove later	2296	eval {
1819	$DB = stat $path ? Storable::retrieve $path : { };	2297	$DB->set_flags (BDB::CHKSUM);
1820	}
1821		2298
1822	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1823		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1824	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1825	warn "saving database $path\n";#d# remove later	2302	};
1826	waitpid $pid, 0 if $pid;	2303	cf::cleanup "db_open(db): $@" if $@;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}	2304	};
1833	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});	2305	}
		2306	}
1845		2307
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {	2308	sub db_get($$) {
1852	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1857	sub db_put($$;$) {	2319	sub db_put($$$) {
1858	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1859	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1860	} else {	2322	}
1861	$DB->{$_[0]} = $_[1];
1862	}
1863	db_dirty;
1864	}
1865		2323
1866	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1867	prio => 10000,	2325
1868	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1869	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
1870	},	2356	}
1871	);	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"
1872	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
1873		2433
1874	#############################################################################	2434	#############################################################################
1875	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
1876		2523
1877	sub cfg_load {	2524	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2526	or return;
1880		2527
1881	local $/;	2528	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2529	*CFG = YAML::Syck::Load <$fh>;
		2530
		2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2532
		2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2535
		2536	if (exists $CFG{mlockall}) {
		2537	eval {
		2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2539	and die "WARNING: m(un)lockall failed: $!\n";
		2540	};
		2541	warn $@ if $@;
		2542	}
1883	}	2543	}
1884		2544
1885	sub main {	2545	sub main {
1886	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2549	(async {
1890	Event::one_event;	2550	Event::one_event;
1891	})->();	2551	})->prio (Coro::PRIO_MAX);
1892	};	2552	};
1893		2553
1894	cfg_load;	2554	cfg_load;
1895	db_load;	2555	db_init;
1896	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
1897	Event::loop;	2559	Event::loop;
1898	}	2560	}
1899		2561
1900	#############################################################################	2562	#############################################################################
1901	# initialisation	2563	# initialisation and cleanup
1902		2564
		2565	# install some emergency cleanup handlers
		2566	BEGIN {
		2567	for my $signal (qw(INT HUP TERM)) {
		2568	Event->signal (
		2569	reentrant => 0,
		2570	data => WF_AUTOCANCEL,
		2571	signal => $signal,
		2572	prio => 0,
		2573	cb => sub {
		2574	cf::cleanup "SIG$signal";
		2575	},
		2576	);
		2577	}
		2578	}
		2579
		2580	sub emergency_save() {
		2581	my $freeze_guard = cf::freeze_mainloop;
		2582
		2583	warn "enter emergency perl save\n";
		2584
		2585	cf::sync_job {
		2586	# use a peculiar iteration method to avoid tripping on perl
		2587	# refcount bugs in for. also avoids problems with players
		2588	# and maps saved/destroyed asynchronously.
		2589	warn "begin emergency player save\n";
		2590	for my $login (keys %cf::PLAYER) {
		2591	my $pl = $cf::PLAYER{$login} or next;
		2592	$pl->valid or next;
		2593	$pl->save;
		2594	}
		2595	warn "end emergency player save\n";
		2596
		2597	warn "begin emergency map save\n";
		2598	for my $path (keys %cf::MAP) {
		2599	my $map = $cf::MAP{$path} or next;
		2600	$map->valid or next;
		2601	$map->save;
		2602	}
		2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
		2608	};
		2609
		2610	warn "leave emergency perl save\n";
		2611	}
		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
1903	sub reload() {	2620	sub do_reload_perl() {
1904	# can/must only be called in main	2621	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
1907	return;	2624	return;
1908	}	2625	}
1909		2626
1910	warn "reloading...";	2627	warn "reloading...";
1911		2628
1912	local $FREEZE = 1;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
1914		2635
1915	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
1916	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
1917		2640
1918	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2644	}
1922		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
1923	# cancel all extension coros	2657	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2659	%EXT_CORO = ();
1926		2660
1927	# unload all extensions	2661	warn "removing commands";
1928	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2669	warn "... unloading $pkg";
1930	unload_extension $_;	2670
		2671	if (my $cb = $pkg->can ("unload")) {
		2672	eval {
		2673	$cb->($pkg);
		2674	1
		2675	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2676	}
1932		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
1933	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2685
1937	warn "removing <$k>";	2686	warn "... unloading $k";
1938	delete $INC{$k};	2687	delete $INC{$k};
1939		2688
1940	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
1942		2691
…		…
1945	}	2694	}
1946		2695
1947	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
1948	}	2697	}
1949		2698
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2702
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
1963		2705
1964	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2707	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
1967		2709
1968	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
1969	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
1970	require cf;	2713	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2715
1973	# load config and database again	2716	warn "loading config and database again";
1974	cf::cfg_load;	2717	cf::cfg_load;
1975	cf::db_load;
1976		2718
1977	# load extensions
1978	warn "load extensions";	2719	warn "loading extensions";
1979	cf::load_extensions;	2720	cf::load_extensions;
1980		2721
1981	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2723	_global_reattach; # objects, sockets
1983	_global_reattach;	2724	warn "reattaching attachments to maps";
1984	};	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
1985		2728
1986	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
1987	warn $@;	2733	warn $@;
1988	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
1989	exit 1;	2735	exit 1;
1990	}	2736	};
1991		2737
1992	warn "reloaded successfully";	2738	warn "reloaded";
1993	};	2739	};
1994		2740
1995	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
1996		2742
1997	unless ($LINK_MAP) {	2743	sub reload_perl() {
1998	$LINK_MAP = cf::map::new;	2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
1999		2746
2000	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2001	$LINK_MAP->height (41);	2748	reentrant => 0,
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2010	cb => sub {	2751	cb => sub {
2011	$_[0]->w->cancel;	2752	do_reload_perl;
2012		2753	undef $RELOAD_WATCHER;
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});	2754	},
2031		2755	);
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}	2756	}
2037
2038	register "<global>", __PACKAGE__;
2039		2757
2040	register_command "reload" => sub {	2758	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2042		2760
2043	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");
2045	reload;
2046	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2047	}	2764	}
2048	};	2765	};
2049		2766
2050	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2051		2791
2052	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2054	prio => 0,	2795	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2057	cb => sub {	2798	cb => sub {
2058	unless ($FREEZE) {	2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
		2805	$NOW = Event::time;
		2806
2059	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2060	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
		2811
		2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
2064		2822
2065	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2825
2068	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2070	},	2837	},
2071	);	2838	);
2072		2839
		2840	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2074		2842	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	2843	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2077	poll => 'r',	2845	poll => 'r',
2078	prio => 5,	2846	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2085	after => 0,	2848	cb => \&BDB::poll_cb,
2086	interval => 10,	2849	);
2087	cb => sub {	2850	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	2851
2089	write_runtime	2852	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	2886	};
2092	},	2887	}
2093	);	2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
		2894	IO::AIO::max_poll_time $TICK * 0.1;
		2895	$AIO_POLL_WATCHER = Event->io (
		2896	reentrant => 0,
		2897	data => WF_AUTOCANCEL,
		2898	fd => IO::AIO::poll_fileno,
		2899	poll => 'r',
		2900	prio => 6,
		2901	cb => \&IO::AIO::poll_cb,
		2902	);
		2903	}
		2904
		2905	# load additional modules
		2906	use cf::pod;
		2907
		2908	END { cf::emergency_save }
2094		2909
2095	1	2910	1
2096		2911

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