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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available	101	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		102
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
119	utf8::encode $msg;	151	utf8::encode $msg;
120		152
121	$msg .= "\n"	153	$msg .= "\n"
122	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
123		155
124	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
125	};	157	};
126	}	158	}
127		159
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151		183
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
160	=cut	188	=item dumpval $ref
161		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		212
164	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
165		214
166	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
167		216
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
176		218
177	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
178		220
179	=cut	221	=item cf::lock_wait $string
180		222
181	sub to_json($) {	223	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224
183	JSON::Syck::Dump $_[0]	225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
184	}	247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
253		344
254	$coro	345	$coro
255	}	346	}
256		347
257	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
258	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
259		352
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	354	or return;
262		355
		356	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	361	and return;
266		362
		363	# always fsync - this file is important
267	aio_fsync $fh	364	aio_fsync $fh
268	and return;	365	and return;
269		366
270	close $fh	367	close $fh
271	or return;	368	or return;
…		…
274	and return;	371	and return;
275		372
276	1	373	1
277	}	374	}
278		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
279	=back	387	=back
280		388
281	=cut	389	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		390
403	#############################################################################	391	#############################################################################
404		392
405	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
406		394
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	521	our @CB_MAP = ();
534		522
535	my %attachment;	523	my %attachment;
536		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
537	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
539		533
540	use sort 'stable';	534	use sort 'stable';
541		535
…		…
712	# object support	706	# object support
713		707
714	sub reattach {	708	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		713
718	my $registry = $obj->registry;	714	my $registry = $obj->registry;
719		715
720	@$registry = ();	716	@$registry = ();
721		717
…		…
768	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
769		765
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	770	close $fh;
775		771
776	if (@$objs) {	772	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	778	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
784	}	780	}
785	} else {	781	} else {
786	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	813	(aio_load "$filename.pst", $av) >= 0
818	or return;	814	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	815	$av = eval { (Storable::thaw $av)->{objs} };
820	}	816	}
821		817
		818	warn sprintf "loading %s (%d)\n",
		819	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	820	return ($data, $av);
823	}	821	}
824		822
825	#############################################################################	823	#############################################################################
826	# command handling &c	824	# command handling &c
…		…
851	=cut	849	=cut
852		850
853	sub register_extcmd {	851	sub register_extcmd {
854	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
855		853
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
860	}	855	}
861		856
862	cf::player->attach (	857	cf::player->attach (
863	on_command => sub {	858	on_command => sub {
864	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
877		872
878	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
879		874
880	if (ref $msg) {	875	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	879	}
885	}	880	}
886	} else {	881	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		884
890	cf::override;	885	cf::override;
891	},	886	},
892	);	887	);
893		888
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	889	sub load_extension {
901	my ($path) = @_;	890	my ($path) = @_;
902		891
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	893	my $base = $1;
905	my $pkg = $1;	894	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
908		897
909	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
910		899
911	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
912	or die "$path: $!";	901	or die "$path: $!";
913		902
914	my $source =	903	my $source =
915	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
918	. "\n};\n1";	907	. "\n};\n1";
919		908
920	eval $source	909	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	911	: "extension disabled.\n";
923		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	913	warn $@;
925	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
926		915	exit 1;
927	# no strict 'refs';	916	}
928	# @{"$pkg\::ISA"} = ext::;	917	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	# }	918	}
943		919
944	# remove commands	920	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	}	921	}
969		922
970	sub load_extensions {	923	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	925	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
977	}	930	}
978	}	931	}
979		932
980	#############################################################################	933	#############################################################################
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		934
1018	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1019		936
1020	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1021		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1022	=head3 cf::player	945	=head3 cf::player
1023		946
1024	=over 4	947	=over 4
1025		948
1026	=item cf::player::exists $login	949	=item cf::player::find $login
1027		950
1028	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1029		952
1030	=cut	953	=cut
1031		954
1032	sub cf::player::exists($) {	955	sub playerdir($) {
1033	cf::player::find $_[0]	956	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1035	}	961	}
1036		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1038		1135
1039	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1040		1137
1041	=cut	1138	=cut
1042		1139
1043	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1044	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1045		1142
1046	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1047		1144
1048	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1049	}	1187	}
1050		1188
1051	=back	1189	=back
1052
1053		1190
1054	=head3 cf::map	1191	=head3 cf::map
1055		1192
1056	=over 4	1193	=over 4
1057		1194
…		…
1060	package cf::map;	1197	package cf::map;
1061		1198
1062	use Fcntl;	1199	use Fcntl;
1063	use Coro::AIO;	1200	use Coro::AIO;
1064		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1065	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1067		1208
1068	sub generate_random_map {	1209	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1212	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1354	}
1086		1355
1087	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1088	# all maps in C++...	1357	# all maps in C++...
1089	sub change_all_map_light {	1358	sub change_all_map_light {
1090	my ($change) = @_;	1359	my ($change) = @_;
1091		1360
1092	$_->change_map_light ($change) for values %cf::MAP;	1361	$_->change_map_light ($change)
		1362	for grep $_->outdoor, values %cf::MAP;
1093	}	1363	}
1094		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1095	sub try_load_header($) {	1373	sub load_header_from($) {
1096	my ($path) = @_;	1374	my ($self, $path) = @_;
1097		1375
1098	utf8::encode $path;	1376	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1100	or return;	1381	or return;
1101		1382
1102	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1103	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1104		1429
1105	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1106	or return;	1431	unless $self->default_region;
1107		1432
1108	$map->{load_path} = $path;	1433	1
1109
1110	$map
1111	}	1434	}
1112		1435
		1436	sub find;
1113	sub find_map {	1437	sub find {
1114	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1115		1439
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1441
		1442	cf::lock_wait "map_find:$path";
		1443
1121	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1122	# do it the slow way	1445	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1446	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;	1447	or return;
1137		1448
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);	1449	$map->{last_save} = $cf::RUNTIME;
1149		1450
1150	if ($map->should_reset) {	1451	$map->load_header
		1452	or return;
		1453
		1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1457	$map->reset;
1152	$map = find_map $path;	1458	undef $guard;
		1459	return find $path;
1153	}	1460	}
1154		1461
1155	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1156	}	1463	}
1157	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1158		1468
1159	sub load {	1469	sub load {
1160	my ($self) = @_;	1470	my ($self) = @_;
1161		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
		1474	my $path = $self->{path};
		1475	my $guard = cf::lock_acquire "map_load:$path";
		1476
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1478
1164	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1165		1480
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1169	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1487	or return;
1171		1488
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1490	if delete $self->{load_original};
1174		1491
1175	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1493	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1495	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1180	}	1497	}
1181	}	1498	}
1182		1499
		1500	Coro::cede;
1183	# now do the right thing for maps	1501	# now do the right thing for maps
1184	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1185		1504
1186	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1506	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1193	$self->set_darkness_map;	1510	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1196	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1197	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1198		1520
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1522	}
1201		1523
1202	sub load_map_sync {	1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1203	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1204		1559
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1206		1562
1207	cf::sync_job {	1563	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1209	or return;	1565
		1566	cf::sync_job { $map->load };
		1567	}
		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
1210	$map->load;	1587	$map->load;
1211	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1212	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1213	}	1597	}
1214		1598
1215	sub save {	1599	sub save {
1216	my ($self) = @_;	1600	my ($self) = @_;
1217		1601
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1603
1221	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1222		1605
1223	return unless $self->dirty;	1606	return unless $self->dirty;
1224		1607
		1608	my $save = $self->save_path; utf8::encode $save;
		1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1610
1225	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1226		1612
1227	return if $self->{deny_save};	1613	return if $self->{deny_save};
1228		1614
		1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1229	if ($uniq) {	1621	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1624	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1626	}
1235	}	1627	}
1236		1628
1237	sub swap_out {	1629	sub swap_out {
1238	my ($self) = @_;	1630	my ($self) = @_;
		1631
		1632	# save first because save cedes
		1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1636
1240	return if $self->players;	1637	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1639	return if $self->{deny_save};
1243		1640
1244	$self->save;
1245	$self->clear;	1641	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1643	}
1248		1644
1249	sub reset_at {	1645	sub reset_at {
1250	my ($self) = @_;	1646	my ($self) = @_;
1251		1647
1252	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1255		1651
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1654
…		…
1263	my ($self) = @_;	1659	my ($self) = @_;
1264		1660
1265	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1266	}	1662	}
1267		1663
1268	sub unlink_save {
1269	my ($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	$self->save;
1287	}
1288
1289	sub reset {	1664	sub reset {
1290	my ($self) = @_;	1665	my ($self) = @_;
1291		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1292	return if $self->players;	1669	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1294		1671
1295	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1296		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1297	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1298		1687
1299	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1300		1689
1301	$self->unlink_save;	1690	$self->unlink_save;
1302	$self->destroy;	1691	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1306		1695
1307	sub nuke {	1696	sub nuke {
1308	my ($self) = @_;	1697	my ($self) = @_;
1309		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1313	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1314	}	1712	}
1315		1713
1316	sub customise_for {	1714	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1715
1319	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1321	}
1322		1718
1323	$map	1719	=cut
1324	}
1325		1720
1326	sub emergency_save {	1721	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1328		1724
1329	warn "enter emergency map save\n";	1725	my @paths;
1330		1726
1331	cf::sync_job {	1727	for (@$files) {
1332	warn "begin emergency map save\n";	1728	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1334	};	1733	}
1335		1734
1336	warn "end emergency map save\n";	1735	\@paths
1337	}	1736	}
1338		1737
1339	package cf;	1738	package cf;
1340		1739
1341	=back	1740	=back
1342		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1343		1768
1344	=head3 cf::object::player	1769	=head3 cf::object::player
1345		1770
1346	=over 4	1771	=over 4
1347		1772
…		…
1387		1812
1388	=item $player_object->enter_link	1813	=item $player_object->enter_link
1389		1814
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1816
1392	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1394		1819
		1820	Will never block.
		1821
1395	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1396		1823
1397	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1827	fails, to the emergency map position.
1401		1828
1402	Might block.	1829	Might block.
1403		1830
1404	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1405		1842
1406	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1844	my ($self) = @_;
1408		1845
1409	return if $self->map == $LINK_MAP;	1846	$self->deactivate_recursive;
1410		1847
		1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1849
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1851	if $self->map;
1413		1852
1414	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1854	}
1417		1855
1418	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1420		1858
1421	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1422		1860
1423	unless ($map) {	1861	unless ($map) {
1424	# restore original map position	1862	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1427		1865
1428	unless ($map) {	1866	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1432	}	1870	}
1433	}	1871	}
1434		1872
1435	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1441		1879
1442	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1443		1882
		1883	return unless $self->contr->active;
1444	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1445	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1446	}	1888	}
1447		1889
		1890	cf::player->attach (
		1891	on_logout => sub {
		1892	my ($pl) = @_;
		1893
		1894	# abort map switching before logout
		1895	if ($pl->ob->{_link_pos}) {
		1896	cf::sync_job {
		1897	$pl->ob->leave_link
		1898	};
		1899	}
		1900	},
		1901	on_login => sub {
		1902	my ($pl) = @_;
		1903
		1904	# try to abort aborted map switching on player login :)
		1905	# should happen only on crashes
		1906	if ($pl->ob->{_link_pos}) {
		1907	$pl->ob->enter_link;
		1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
		1915	Coro::Timer::sleep 1;
		1916	$pl->ob->leave_link;
		1917	})->prio (2);
		1918	}
		1919	},
		1920	);
		1921
1448	=item $player_object->goto_map ($map, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1449		1923
1450	=cut	1924	=cut
1451		1925
1452	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1454		1928
1455	$self->enter_link;	1929	$self->enter_link;
1456		1930
1457	(Coro::async {	1931	(async {
1458	$path = new cf::path $path;	1932	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1935	$map
1465		1936	} or
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1938
1468	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1940	})->prio (1);
1470	}	1941	}
1471		1942
…		…
1475		1946
1476	sub parse_random_map_params {	1947	sub parse_random_map_params {
1477	my ($spec) = @_;	1948	my ($spec) = @_;
1478		1949
1479	my $rmp = { # defaults	1950	my $rmp = { # defaults
1480	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1482	};	1955	};
1483		1956
1484	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1486		1959
…		…
1490	$rmp	1963	$rmp
1491	}	1964	}
1492		1965
1493	sub prepare_random_map {	1966	sub prepare_random_map {
1494	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1970
1496	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1973	# that depends on the exit object
1499		1974
1500	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1501		1976
1502	if ($exit->map) {	1977	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1507	}	1982	}
1508		1983
1509	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1510		1985
1511	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1989
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1516		1994
1517	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1996	$exit->msg (undef);
1519	}	1997	}
1520	}	1998	}
…		…
1522	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1524		2002
1525	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1526		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1527	$self->enter_link;	2016	$self->enter_link;
1528		2017
1529	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	2020	unless (eval {
1531		2021	$self->goto ($slaying, $hp, $sp);
1532	prepare_random_map $exit
1533	if $exit->slaying eq "/!";
1534
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1537		2022
1538	1;	2023	1;
1539	}) {	2024	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1544		2029
1545	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	2031	$self->leave_link;
1547	}	2032	}
1548	})->prio (1);	2033	})->prio (1);
…		…
1561		2046
1562	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1563	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1564		2049
1565	utf8::encode $text;	2050	utf8::encode $text;
1566	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1567	}	2052	}
1568		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1569		2066
1570	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1571		2068
1572	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1598	on_reply => sub {	2095	on_reply => sub {
1599	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1600		2097
1601	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1602	# get handled first	2099	# get handled first
1603	my $queue = delete $ns->{query_queue};	2100	my $queue = delete $ns->{query_queue}
		2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		2102
1605	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1606		2105
1607	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1608		2107
1609	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1610	if (@$queue) {	2109	if (@$queue) {
…		…
1614	}	2113	}
1615	}	2114	}
1616	},	2115	},
1617	);	2116	);
1618		2117
1619	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1620		2119
1621	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	2122	or loss of connection).
1624		2123
1625	=cut	2124	=cut
1626		2125
1627	sub cf::client::coro {	2126	sub cf::client::async {
1628	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1629		2128
1630	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2130
1637	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1639	});	2133	});
1640		2134
…		…
1673		2167
1674	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1675		2169
1676	=pod	2170	=pod
1677		2171
1678	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1679		2173
1680	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1681	cf::object::player player	2175	cf::object::player player
1682	cf::player peaceful	2176	cf::player peaceful
1683	cf::map trigger	2177	cf::map trigger
…		…
1776	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1777	using it, it should be unique.	2271	using it, it should be unique.
1778		2272
1779	=over 4	2273	=over 4
1780		2274
1781	=item $hashref = cf::db_get $family
1782
1783	Return a hashref for use by the extension C<$family>, which can be
1784	modified. After modifications, you have to call C<cf::db_dirty> or
1785	C<cf::db_sync>.
1786
1787	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1788		2276
1789	Returns a single value from the database	2277	Returns a single value from the database.
1790
1791	=item cf::db_put $family => $hashref
1792
1793	Stores the given family hashref into the database. Updates are delayed, if
1794	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1795		2278
1796	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1797		2280
1798	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1799	want the data to be synced to disk immediately, use C<cf::db_sync>.
1800
1801	=item cf::db_dirty
1802
1803	Marks the database as dirty, to be updated at a later time.
1804
1805	=item cf::db_sync
1806
1807	Immediately write the database to disk I<if it is dirty>.
1808		2282
1809	=cut	2283	=cut
1810		2284
1811	our $DB;	2285	our $DB;
1812		2286
1813	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1814	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1815		2306
1816	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1817	warn "loading database $path\n";#d# remove later	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1818	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
1819	}	2310	BDB::db_env_txn_checkpoint $DB_ENV;
1820		2311
1821	my $pid;	2312	unlink $path;
1822
1823	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;
1830	cf::_exit 0 if defined $pid;
1831	}	2313	};
1832	}
1833
1834	my $dirty;
1835
1836	sub db_sync() {
1837	db_save if $dirty;
1838	undef $dirty;
1839	}
1840
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;
1843	});
1844
1845	sub db_dirty() {
1846	$dirty = 1;
1847	$idle->start;
1848	}
1849
1850	sub db_get($;$) {
1851	@_ >= 2
1852	? $DB->{$_[0]}{$_[1]}
1853	: ($DB->{$_[0]} ||= { })
1854	}
1855
1856	sub db_put($$;$) {
1857	if (@_ >= 3) {
1858	$DB->{$_[0]}{$_[1]} = $_[2];
1859	} else {
1860	$DB->{$_[0]} = $_[1];
1861	}
1862	db_dirty;
1863	}
1864
1865	cf::global->attach (
1866	prio => 10000,
1867	on_cleanup => sub {
1868	db_sync;
1869	},	2314	}
1870	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
1871	}	2371	}
1872		2372
1873	#############################################################################	2373	#############################################################################
1874	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
1875		2462
1876	sub cfg_load {	2463	sub cfg_load {
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2465	or return;
1879		2466
1880	local $/;	2467	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2468	*CFG = YAML::Syck::Load <$fh>;
		2469
		2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2471
		2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2474
		2475	if (exists $CFG{mlockall}) {
		2476	eval {
		2477	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2478	and die "WARNING: m(un)lockall failed: $!\n";
		2479	};
		2480	warn $@ if $@;
		2481	}
1882	}	2482	}
1883		2483
1884	sub main {	2484	sub main {
1885	# we must not ever block the main coroutine	2485	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2486	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2488	(async {
1889	Event::one_event;	2489	Event::one_event;
1890	})->();	2490	})->prio (Coro::PRIO_MAX);
1891	};	2491	};
1892		2492
1893	cfg_load;	2493	cfg_load;
1894	db_load;	2494	db_init;
1895	load_extensions;	2495	load_extensions;
		2496
		2497	$TICK_WATCHER->start;
1896	Event::loop;	2498	Event::loop;
1897	}	2499	}
1898		2500
1899	#############################################################################	2501	#############################################################################
1900	# initialisation	2502	# initialisation and cleanup
1901		2503
		2504	# install some emergency cleanup handlers
		2505	BEGIN {
		2506	for my $signal (qw(INT HUP TERM)) {
		2507	Event->signal (
		2508	reentrant => 0,
		2509	data => WF_AUTOCANCEL,
		2510	signal => $signal,
		2511	prio => 0,
		2512	cb => sub {
		2513	cf::cleanup "SIG$signal";
		2514	},
		2515	);
		2516	}
		2517	}
		2518
		2519	sub emergency_save() {
		2520	my $freeze_guard = cf::freeze_mainloop;
		2521
		2522	warn "enter emergency perl save\n";
		2523
		2524	cf::sync_job {
		2525	# use a peculiar iteration method to avoid tripping on perl
		2526	# refcount bugs in for. also avoids problems with players
		2527	# and maps saved/destroyed asynchronously.
		2528	warn "begin emergency player save\n";
		2529	for my $login (keys %cf::PLAYER) {
		2530	my $pl = $cf::PLAYER{$login} or next;
		2531	$pl->valid or next;
		2532	$pl->save;
		2533	}
		2534	warn "end emergency player save\n";
		2535
		2536	warn "begin emergency map save\n";
		2537	for my $path (keys %cf::MAP) {
		2538	my $map = $cf::MAP{$path} or next;
		2539	$map->valid or next;
		2540	$map->save;
		2541	}
		2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
		2547	};
		2548
		2549	warn "leave emergency perl save\n";
		2550	}
		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
1902	sub reload() {	2559	sub do_reload_perl() {
1903	# can/must only be called in main	2560	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2562	warn "can only reload from main coroutine";
1906	return;	2563	return;
1907	}	2564	}
1908		2565
1909	warn "reloading...";	2566	warn "reloading...";
1910		2567
1911	local $FREEZE = 1;	2568	warn "entering sync_job";
		2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
1912	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
1913		2574
1914	eval {	2575	warn "syncing database to disk";
		2576	BDB::db_env_txn_checkpoint $DB_ENV;
		2577
1915	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
1916		2579
1917	# cancel all watchers	2580	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2583	}
1921		2584
		2585	warn "flushing outstanding aio requests";
		2586	for (;;) {
		2587	BDB::flush;
		2588	IO::AIO::flush;
		2589	Coro::cede;
		2590	last unless IO::AIO::nreqs || BDB::nreqs;
		2591	warn "iterate...";
		2592	}
		2593
		2594	++$RELOAD;
		2595
1922	# cancel all extension coros	2596	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2598	%EXT_CORO = ();
1925		2599
1926	# unload all extensions	2600	warn "removing commands";
1927	for (@exts) {	2601	%COMMAND = ();
		2602
		2603	warn "removing ext commands";
		2604	%EXTCMD = ();
		2605
		2606	warn "unloading/nuking all extensions";
		2607	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2608	warn "... unloading $pkg";
1929	unload_extension $_;	2609
		2610	if (my $cb = $pkg->can ("unload")) {
		2611	eval {
		2612	$cb->($pkg);
		2613	1
		2614	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2615	}
1931		2616
		2617	warn "... nuking $pkg";
		2618	Symbol::delete_package $pkg;
		2619	}
		2620
1932	# unload all modules loaded from $LIBDIR	2621	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2622	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2624
1936	warn "removing <$k>";	2625	warn "... unloading $k";
1937	delete $INC{$k};	2626	delete $INC{$k};
1938		2627
1939	$k =~ s/\.pm$//;	2628	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2629	$k =~ s/\//::/g;
1941		2630
…		…
1944	}	2633	}
1945		2634
1946	Symbol::delete_package $k;	2635	Symbol::delete_package $k;
1947	}	2636	}
1948		2637
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2638	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2639	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2641
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2642	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2643	delete $INC{"cf.pm"};
1962		2644
1963	# don't, removes xs symbols, too,	2645	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2646	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2647	#Symbol::delete_package __PACKAGE__;
1966		2648
1967	# reload cf.pm	2649	warn "unload completed, starting to reload now";
		2650
1968	warn "reloading cf.pm";	2651	warn "reloading cf.pm";
1969	require cf;	2652	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2654
1972	# load config and database again	2655	warn "loading config and database again";
1973	cf::cfg_load;	2656	cf::cfg_load;
1974	cf::db_load;
1975		2657
1976	# load extensions
1977	warn "load extensions";	2658	warn "loading extensions";
1978	cf::load_extensions;	2659	cf::load_extensions;
1979		2660
1980	# reattach attachments to objects	2661	warn "reattaching attachments to objects/players";
1981	warn "reattach";	2662	_global_reattach; # objects, sockets
1982	_global_reattach;	2663	warn "reattaching attachments to maps";
1983	};	2664	reattach $_ for values %MAP;
		2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
1984		2667
1985	if ($@) {	2668	warn "leaving sync_job";
		2669
		2670	1
		2671	} or do {
1986	warn $@;	2672	warn $@;
1987	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
1988	exit 1;	2674	exit 1;
1989	}	2675	};
1990		2676
1991	warn "reloaded successfully";	2677	warn "reloaded";
1992	};	2678	};
1993		2679
1994	#############################################################################	2680	our $RELOAD_WATCHER; # used only during reload
1995		2681
1996	unless ($LINK_MAP) {	2682	sub reload_perl() {
1997	$LINK_MAP = cf::map::new;	2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
1998		2685
1999	$LINK_MAP->width (41);	2686	$RELOAD_WATCHER ||= Event->timer (
2000	$LINK_MAP->height (41);	2687	reentrant => 0,
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,	2688	after => 0,
		2689	data => WF_AUTOCANCEL,
2009	cb => sub {	2690	cb => sub {
2010	$_[0]->w->cancel;	2691	do_reload_perl;
2011		2692	undef $RELOAD_WATCHER;
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});	2693	},
2030		2694	);
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}	2695	}
2036
2037	register "<global>", __PACKAGE__;
2038		2696
2039	register_command "reload" => sub {	2697	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2041		2699
2042	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");
2044	reload;
2045	$who->message ("end of reload.");	2701	$who->message ("reloading server.");
		2702	async { reload_perl };
2046	}	2703	}
2047	};	2704	};
2048		2705
2049	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
		2707
		2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2050		2730
2051	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2732	reentrant => 0,
		2733	parked => 1,
2053	prio => 0,	2734	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2735	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2056	cb => sub {	2737	cb => sub {
2057	unless ($FREEZE) {	2738	if ($Coro::current != $Coro::main) {
		2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2740	unless ++$bug_warning > 10;
		2741	return;
		2742	}
		2743
		2744	$NOW = Event::time;
		2745
2058	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2059	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
		2750
		2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2753	Coro::async_pool {
		2754	write_runtime
		2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
		2757	}
		2758
		2759	# my $AFTER = Event::time;
		2760	# warn $AFTER - $NOW;#d#
2063		2761
2064	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2764
2067	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2069	},	2776	},
2070	);	2777	);
2071		2778
		2779	{
2072	IO::AIO::max_poll_time $TICK * 0.2;	2780	BDB::max_poll_time $TICK * 0.1;
2073		2781	$BDB_POLL_WATCHER = Event->io (
2074	Event->io (	2782	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2783	fd => BDB::poll_fileno,
2076	poll => 'r',	2784	poll => 'r',
2077	prio => 5,	2785	prio => 0,
2078	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,
2080	);
2081
2082	Event->timer (
2083	data => WF_AUTOCANCEL,	2786	data => WF_AUTOCANCEL,
2084	after => 0,	2787	cb => \&BDB::poll_cb,
2085	interval => 10,	2788	);
2086	cb => sub {	2789	BDB::min_parallel 8;
2087	(Coro::unblock_sub {	2790
2088	write_runtime	2791	BDB::set_sync_prepare {
2089	or warn "ERROR: unable to write runtime file: $!";	2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
2090	})->();	2825	};
2091	},	2826	}
2092	);	2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
		2833	IO::AIO::max_poll_time $TICK * 0.1;
		2834	$AIO_POLL_WATCHER = Event->io (
		2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
		2837	fd => IO::AIO::poll_fileno,
		2838	poll => 'r',
		2839	prio => 6,
		2840	cb => \&IO::AIO::poll_cb,
		2841	);
		2842	}
		2843
		2844	# load additional modules
		2845	use cf::pod;
		2846
		2847	END { cf::emergency_save }
2093		2848
2094	1	2849	1
2095		2850

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