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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.247 by root, Tue Apr 17 18:24:30 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	294	=cut
198		295
199	sub sync_job(&) {	296	sub sync_job(&) {
200	my ($job) = @_;	297	my ($job) = @_;
201		298
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
212	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
		315
215	while ($busy) {	316	while ($busy) {
216	Coro::cede_notself;	317	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	318	}
		319
		320	wantarray ? @res : $res[0]
219	} else {	321	} else {
220	$coro->join;	322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
221	}	325	}
222
223	wantarray ? @res : $res[0]
224	}	326	}
225		327
226	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
227		329
228	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
230		332
231	=cut	333	=cut
232		334
233	sub coro(&) {	335	sub async_ext(&) {
234	my $cb = shift;	336	my $cb = shift;
235		337
236	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		339
243	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
245	});	342	});
246	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
247		344
248	$coro	345	$coro
249	}	346	}
250		347
251	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
252	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
253		352
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	354	or return;
256		355
257	my $value = $cf::RUNTIME;	356	my $value = $cf::RUNTIME + 90 + 10;
		357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	361	and return;
260		362
		363	# always fsync - this file is important
261	aio_fsync $fh	364	aio_fsync $fh
262	and return;	365	and return;
263		366
264	close $fh	367	close $fh
265	or return;	368	or return;
…		…
268	and return;	371	and return;
269		372
270	1	373	1
271	}	374	}
272		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
273	=back	387	=back
274		388
275	=cut	389	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		390
387	#############################################################################	391	#############################################################################
388		392
389	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
390		394
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	521	our @CB_MAP = ();
518		522
519	my %attachment;	523	my %attachment;
520		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
521	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
523		533
524	use sort 'stable';	534	use sort 'stable';
525		535
…		…
696	# object support	706	# object support
697		707
698	sub reattach {	708	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		713
702	my $registry = $obj->registry;	714	my $registry = $obj->registry;
703		715
704	@$registry = ();	716	@$registry = ();
705		717
…		…
752	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
753		765
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	770	close $fh;
759		771
760	if (@$objs) {	772	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	778	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
768	}	780	}
769	} else {	781	} else {
770	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
798	or return;	810	or return;
799		811
800	unless (aio_stat "$filename.pst") {	812	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	813	(aio_load "$filename.pst", $av) >= 0
802	or return;	814	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	815	$av = eval { (Storable::thaw $av)->{objs} };
804	}	816	}
805		817
		818	warn sprintf "loading %s (%d)\n",
		819	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	820	return ($data, $av);
807	}	821	}
808		822
809	#############################################################################	823	#############################################################################
810	# command handling &c	824	# command handling &c
…		…
835	=cut	849	=cut
836		850
837	sub register_extcmd {	851	sub register_extcmd {
838	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
839		853
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
844	}	855	}
845		856
846	cf::player->attach (	857	cf::player->attach (
847	on_command => sub {	858	on_command => sub {
848	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
861		872
862	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
863		874
864	if (ref $msg) {	875	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	879	}
869	}	880	}
870	} else {	881	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		884
874	cf::override;	885	cf::override;
875	},	886	},
876	);	887	);
877		888
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	889	sub load_extension {
885	my ($path) = @_;	890	my ($path) = @_;
886		891
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	893	my $base = $1;
889	my $pkg = $1;	894	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
892		897
893	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
894		899
895	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
896	or die "$path: $!";	901	or die "$path: $!";
897		902
898	my $source =	903	my $source =
899	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
902	. "\n};\n1";	907	. "\n};\n1";
903		908
904	eval $source	909	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	911	: "extension disabled.\n";
907		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	913	warn $@;
909	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
910		915	exit 1;
911	# no strict 'refs';	916	}
912	# @{"$pkg\::ISA"} = ext::;	917	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	918	}
927		919
928	# remove commands	920	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	921	}
953		922
954	sub load_extensions {	923	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	925	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
961	}	930	}
962	}	931	}
963		932
964	#############################################################################	933	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		934
1002	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1003		936
1004	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1005		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1006	=head3 cf::player	945	=head3 cf::player
1007		946
1008	=over 4	947	=over 4
1009		948
1010	=item cf::player::exists $login	949	=item cf::player::find $login
1011		950
1012	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1013		952
1014	=cut	953	=cut
1015		954
1016	sub cf::player::exists($) {	955	sub playerdir($) {
1017	cf::player::find $_[0]	956	cf::localdir
1018	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])
1019	}	961	}
1020		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
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1022		1135
1023	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1024		1137
1025	=cut	1138	=cut
1026		1139
1027	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1029		1142
1030	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1031		1144
1032	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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
1033	}	1187	}
1034		1188
1035	=back	1189	=back
1036
1037		1190
1038	=head3 cf::map	1191	=head3 cf::map
1039		1192
1040	=over 4	1193	=over 4
1041		1194
…		…
1044	package cf::map;	1197	package cf::map;
1045		1198
1046	use Fcntl;	1199	use Fcntl;
1047	use Coro::AIO;	1200	use Coro::AIO;
1048		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1049	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1208
1054	sub generate_random_map {	1209	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1212	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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, $path
1071	}	1354	}
1072		1355
1073	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1074	# all maps in C++...	1357	# all maps in C++...
1075	sub change_all_map_light {	1358	sub change_all_map_light {
1076	my ($change) = @_;	1359	my ($change) = @_;
1077		1360
1078	$_->change_map_light ($change) for values %cf::MAP;	1361	$_->change_map_light ($change)
		1362	for grep $_->outdoor, values %cf::MAP;
1079	}	1363	}
1080		1364
		1365	sub unlink_save {
		1366	my ($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
1081	sub try_load_header($) {	1373	sub load_header_from($) {
1082	my ($path) = @_;	1374	my ($self, $path) = @_;
1083		1375
1084	utf8::encode $path;	1376	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1086	or return;	1381	or return;
1087		1382
1088	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
1089	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1090		1429
1091	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1092	or return;	1431	unless $self->default_region;
1093		1432
1094	$map->{load_path} = $path;	1433	1
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1434	}
1099		1435
		1436	sub find;
1100	sub find_map {	1437	sub find {
1101	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1102		1439
1103	#warn "find_map<$path,$origin>\n";#d#	1440	$path = normalise $path, $origin && $origin->path;
1104		1441
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1442	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1443
1108	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1109	# do it the slow way	1445	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1446	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1447	or return;
1124		1448
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1449	$map->{last_save} = $cf::RUNTIME;
1135		1450
1136	$map->reset if $map->should_reset;	1451	$map->load_header
		1452	or return;
1137		1453
		1454	if ($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;
		1457	$map->reset;
		1458	undef $guard;
		1459	return find $path;
		1460	}
		1461
1138	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1139	}	1463	}
1140	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1141		1468
1142	sub load {	1469	sub load {
1143	my ($self) = @_;	1470	my ($self) = @_;
1144		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
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1478
1147	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1148		1480
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1152	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1487	or return;
1154		1488
		1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1490	if delete $self->{load_original};
		1491
1155	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1493	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1495	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1160	}	1497	}
1161	}	1498	}
1162		1499
		1500	Coro::cede;
1163	# now do the right thing for maps	1501	# now do the right thing for maps
1164	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1165		1504
1166	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1506	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1173	$self->set_darkness_map;	1510	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1176	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1177	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1178		1520
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1522	}
1181		1523
1182	sub load_map_sync {	1524	sub customise_for {
		1525	my ($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	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1183	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1184		1559
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1186		1562
1187	cf::sync_job {	1563	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1189	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;
1190	$map->load;	1587	$map->load;
1191	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1192	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1193	}	1597	}
1194		1598
1195	sub save {	1599	sub save {
1196	my ($self) = @_;	1600	my ($self) = @_;
1197		1601
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1603
1201	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1202		1605
1203	return unless $self->dirty;	1606	return unless $self->dirty;
1204		1607
		1608	my $save = $self->save_path; utf8::encode $save;
		1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1610
1205	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1206		1612
1207	return if $self->{deny_save};	1613	return if $self->{deny_save};
1208		1614
1209	warn "saving map ", $self->path;	1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
1210		1620
1211	if ($uniq) {	1621	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1624	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1626	}
1217	}	1627	}
1218		1628
1219	sub swap_out {	1629	sub swap_out {
1220	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;
1221		1636
1222	return if $self->players;	1637	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1639	return if $self->{deny_save};
1225		1640
1226	$self->save;
1227	$self->clear;	1641	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1643	}
1230		1644
		1645	sub reset_at {
		1646	my ($self) = @_;
		1647
		1648	# TODO: safety, remove and allow resettable per-player maps
		1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1650	return 1e99 if $self->{deny_reset};
		1651
		1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1654
		1655	$time + $to
		1656	}
		1657
1231	sub should_reset {	1658	sub should_reset {
1232	my ($map) = @_;	1659	my ($self) = @_;
1233		1660
1234	# TODO: safety, remove and allow resettable per-player maps	1661	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1662	}
1243		1663
1244	sub reset {	1664	sub reset {
1245	my ($self) = @_;	1665	my ($self) = @_;
1246		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1247	return if $self->players;	1669	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1249		1671
1250	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1251		1673
1252	utf8::encode (my $save = $self->{path}->save_path);	1674	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1675
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	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
		1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1255		1687
1256	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1257		1689
		1690	$self->unlink_save;
1258	$self->clear;	1691	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1692	}
1262		1693
1263	sub customise_for {	1694	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1695
1266	if ($map->per_player) {	1696	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1697	my ($self) = @_;
1268	}
1269		1698
1270	$map	1699	delete $cf::MAP{$self->path};
1271	}
1272		1700
1273	sub emergency_save {	1701	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1702
1276	warn "enter emergency map save\n";	1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
		1705	$self->{deny_save} = 1;
		1706	$self->reset_timeout (1);
		1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1708
1278	cf::sync_job {	1709	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1710
1280	$_->save for values %cf::MAP;	1711	$self->reset; # polite request, might not happen
		1712	}
		1713
		1714	=item cf::map::unique_maps
		1715
		1716	Returns an arrayref of paths of all shared maps that have
		1717	instantiated unique items. May block.
		1718
		1719	=cut
		1720
		1721	sub unique_maps() {
		1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
		1724
		1725	my @paths;
		1726
		1727	for (@$files) {
		1728	utf8::decode $_;
		1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1281	};	1733	}
1282		1734
1283	warn "end emergency map save\n";	1735	\@paths
1284	}	1736	}
1285		1737
1286	package cf;	1738	package cf;
1287		1739
1288	=back	1740	=back
1289		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
1290		1768
1291	=head3 cf::object::player	1769	=head3 cf::object::player
1292		1770
1293	=over 4	1771	=over 4
1294		1772
…		…
1330	(ref $cf::CFG{"may_$access"}	1808	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1809	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1810	: $cf::CFG{"may_$access"})
1333	}	1811	}
1334		1812
		1813	=item $player_object->enter_link
		1814
		1815	Freezes the player and moves him/her to a special map (C<{link}>).
		1816
		1817	The player should be reasonably safe there for short amounts of time. You
		1818	I<MUST> call C<leave_link> as soon as possible, though.
		1819
		1820	Will never block.
		1821
		1822	=item $player_object->leave_link ($map, $x, $y)
		1823
		1824	Moves the player out of the special C<{link}> map onto the specified
		1825	map. If the map is not valid (or omitted), the player will be moved back
		1826	to the location he/she was before the call to C<enter_link>, or, if that
		1827	fails, to the emergency map position.
		1828
		1829	Might block.
		1830
		1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
		1842
1335	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1844	my ($self) = @_;
1337		1845
1338	return if $self->map == $LINK_MAP;	1846	$self->deactivate_recursive;
1339		1847
		1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1849
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1851	if $self->map;
1342		1852
1343	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1854	}
1346		1855
1347	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1349		1858
1350	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1351		1860
1352	unless ($map) {	1861	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1862	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1358		1865
1359	unless ($map) {	1866	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1363	}	1870	}
1364	}	1871	}
1365		1872
1366	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1372		1879
1373	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1374		1882
		1883	return unless $self->contr->active;
1375	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1377	}	1888	}
1378		1889
		1890	cf::player->attach (
		1891	on_logout => sub {
		1892	my ($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
1379	=item $player_object->goto_map ($map, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1380		1923
1381	=cut	1924	=cut
1382		1925
1383	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1385		1928
1386	$self->enter_link;	1929	$self->enter_link;
1387		1930
1388	(Coro::async {	1931	(async {
1389	$path = new cf::path $path;	1932	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1935	$map
		1936	} or
		1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1938
1397	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1940	})->prio (1);
1399	}	1941	}
1400		1942
…		…
1404		1946
1405	sub parse_random_map_params {	1947	sub parse_random_map_params {
1406	my ($spec) = @_;	1948	my ($spec) = @_;
1407		1949
1408	my $rmp = { # defaults	1950	my $rmp = { # defaults
1409	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1411	};	1955	};
1412		1956
1413	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1415		1959
…		…
1419	$rmp	1963	$rmp
1420	}	1964	}
1421		1965
1422	sub prepare_random_map {	1966	sub prepare_random_map {
1423	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1970
1425	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1973	# that depends on the exit object
1428		1974
1429	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1430		1976
1431	if ($exit->map) {	1977	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1436	}	1982	}
1437		1983
1438	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1439		1985
1440	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1989
1443	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) {
1444	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;
1445		1994
1446	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1996	$exit->msg (undef);
1448	}	1997	}
1449	}	1998	}
…		…
1451	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1453		2002
1454	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1455		2004
		2005	if ($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
1456	$self->enter_link;	2016	$self->enter_link;
1457		2017
1458	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	2020	unless (eval {
1460		2021	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		2022
1467	1;	2023	1;
1468	}) {	2024	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "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. "
1471	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1473		2029
1474	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2031	$self->leave_link;
1476	}	2032	}
1477	})->prio (1);	2033	})->prio (1);
…		…
1490		2046
1491	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1493		2049
1494	utf8::encode $text;	2050	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2052	}
1497		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	}
1498		2066
1499	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1500		2068
1501	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1502	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>,
…		…
1527	on_reply => sub {	2095	on_reply => sub {
1528	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1529		2097
1530	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1531	# get handled first	2099	# get handled first
1532	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
1533		2102
1534	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2105
1536	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1537		2107
1538	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2109	if (@$queue) {
…		…
1543	}	2113	}
1544	}	2114	}
1545	},	2115	},
1546	);	2116	);
1547		2117
1548	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1549		2119
1550	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1551	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,
1552	or loss of connection).	2122	or loss of connection).
1553		2123
1554	=cut	2124	=cut
1555		2125
1556	sub cf::client::coro {	2126	sub cf::client::async {
1557	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1558		2128
1559	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2130
1566	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1568	});	2133	});
1569		2134
…		…
1602		2167
1603	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1604		2169
1605	=pod	2170	=pod
1606		2171
1607	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1608		2173
1609	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1610	cf::object::player player	2175	cf::object::player player
1611	cf::player peaceful	2176	cf::player peaceful
1612	cf::map trigger	2177	cf::map trigger
…		…
1705	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
1706	using it, it should be unique.	2271	using it, it should be unique.
1707		2272
1708	=over 4	2273	=over 4
1709		2274
1710	=item $hashref = cf::db_get $family
1711
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1717		2276
1718	Returns a single value from the database	2277	Returns a single value from the database.
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724		2278
1725	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1726		2280
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737		2282
1738	=cut	2283	=cut
1739		2284
1740	our $DB;	2285	our $DB;
1741		2286
1742	{	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
1743	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;
1744		2306
1745	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1746	warn "loading database $path\n";#d# remove later	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1747	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
1748	}	2310	BDB::db_env_txn_checkpoint $DB_ENV;
1749		2311
1750	my $pid;	2312	unlink $path;
1751
1752	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}	2313	};
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});
1773
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {
1780	@_ >= 2
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784
1785	sub db_put($$;$) {
1786	if (@_ >= 3) {
1787	$DB->{$_[0]}{$_[1]} = $_[2];
1788	} else {
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	2314	}
1799	);	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 $_[2], 0, sub { };
1800	}	2332	}
1801		2333
1802	#############################################################################	2334	#############################################################################
1803	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata($) {
		2338	my ($path) = @_;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub reload_facedata {
		2390	load_facedata sprintf "%s/facedata", cf::datadir
		2391	or die "unable to load facedata\n";
		2392	}
		2393
		2394	sub reload_regions {
		2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2396	or die "unable to load regions file\n";
		2397	}
		2398
		2399	sub reload_archetypes {
		2400	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2401	or die "unable to load archetypes\n";
		2402	}
		2403
		2404	sub reload_treasures {
		2405	load_resource_file sprintf "%s/treasures", cf::datadir
		2406	or die "unable to load treasurelists\n";
		2407	}
		2408
		2409	sub reload_resources {
		2410	warn "reloading resource files...\n";
		2411
		2412	reload_regions;
		2413	reload_facedata;
		2414	reload_archetypes;
		2415	reload_treasures;
		2416
		2417	warn "finished reloading resource files\n";
		2418	}
		2419
		2420	sub init {
		2421	reload_resources;
		2422	}
1804		2423
1805	sub cfg_load {	2424	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2425	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2426	or return;
1808		2427
1809	local $/;	2428	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2429	*CFG = YAML::Syck::Load <$fh>;
		2430
		2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2432
		2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2435
		2436	if (exists $CFG{mlockall}) {
		2437	eval {
		2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2439	and die "WARNING: m(un)lockall failed: $!\n";
		2440	};
		2441	warn $@ if $@;
		2442	}
1811	}	2443	}
1812		2444
1813	sub main {	2445	sub main {
1814	# we must not ever block the main coroutine	2446	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2447	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2449	(async {
1818	Event::one_event;	2450	Event::one_event;
1819	})->();	2451	})->prio (Coro::PRIO_MAX);
1820	};	2452	};
1821		2453
1822	cfg_load;	2454	cfg_load;
1823	db_load;	2455	db_init;
1824	load_extensions;	2456	load_extensions;
		2457
		2458	$TICK_WATCHER->start;
1825	Event::loop;	2459	Event::loop;
1826	}	2460	}
1827		2461
1828	#############################################################################	2462	#############################################################################
1829	# initialisation	2463	# initialisation and cleanup
1830		2464
1831	sub perl_reload() {	2465	# install some emergency cleanup handlers
		2466	BEGIN {
		2467	for my $signal (qw(INT HUP TERM)) {
		2468	Event->signal (
		2469	reentrant => 0,
		2470	data => WF_AUTOCANCEL,
		2471	signal => $signal,
		2472	prio => 0,
		2473	cb => sub {
		2474	cf::cleanup "SIG$signal";
		2475	},
		2476	);
		2477	}
		2478	}
		2479
		2480	sub emergency_save() {
		2481	my $freeze_guard = cf::freeze_mainloop;
		2482
		2483	warn "enter emergency perl save\n";
		2484
		2485	cf::sync_job {
		2486	# use a peculiar iteration method to avoid tripping on perl
		2487	# refcount bugs in for. also avoids problems with players
		2488	# and maps saved/destroyed asynchronously.
		2489	warn "begin emergency player save\n";
		2490	for my $login (keys %cf::PLAYER) {
		2491	my $pl = $cf::PLAYER{$login} or next;
		2492	$pl->valid or next;
		2493	$pl->save;
		2494	}
		2495	warn "end emergency player save\n";
		2496
		2497	warn "begin emergency map save\n";
		2498	for my $path (keys %cf::MAP) {
		2499	my $map = $cf::MAP{$path} or next;
		2500	$map->valid or next;
		2501	$map->save;
		2502	}
		2503	warn "end emergency map save\n";
		2504
		2505	warn "begin emergency database checkpoint\n";
		2506	BDB::db_env_txn_checkpoint $DB_ENV;
		2507	warn "end emergency database checkpoint\n";
		2508	};
		2509
		2510	warn "leave emergency perl save\n";
		2511	}
		2512
		2513	sub post_cleanup {
		2514	my ($make_core) = @_;
		2515
		2516	warn Carp::longmess "post_cleanup backtrace"
		2517	if $make_core;
		2518	}
		2519
		2520	sub do_reload_perl() {
1832	# can/must only be called in main	2521	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2522	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2523	warn "can only reload from main coroutine";
1835	return;	2524	return;
1836	}	2525	}
1837		2526
1838	warn "reloading...";	2527	warn "reloading...";
1839		2528
1840	local $FREEZE = 1;	2529	warn "entering sync_job";
		2530
		2531	cf::sync_job {
		2532	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2533	cf::emergency_save;
		2534	cf::write_runtime; # external watchdog should not bark
1842		2535
1843	eval {	2536	warn "syncing database to disk";
		2537	BDB::db_env_txn_checkpoint $DB_ENV;
		2538
1844	# if anything goes wrong in here, we should simply crash as we already saved	2539	# if anything goes wrong in here, we should simply crash as we already saved
1845		2540
1846	# cancel all watchers	2541	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2542	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2543	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2544	}
1850		2545
		2546	warn "flushing outstanding aio requests";
		2547	for (;;) {
		2548	BDB::flush;
		2549	IO::AIO::flush;
		2550	Coro::cede;
		2551	last unless IO::AIO::nreqs || BDB::nreqs;
		2552	warn "iterate...";
		2553	}
		2554
		2555	++$RELOAD;
		2556
1851	# cancel all extension coros	2557	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2558	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2559	%EXT_CORO = ();
1854		2560
1855	# unload all extensions	2561	warn "removing commands";
1856	for (@exts) {	2562	%COMMAND = ();
		2563
		2564	warn "removing ext commands";
		2565	%EXTCMD = ();
		2566
		2567	warn "unloading/nuking all extensions";
		2568	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2569	warn "... unloading $pkg";
1858	unload_extension $_;	2570
		2571	if (my $cb = $pkg->can ("unload")) {
		2572	eval {
		2573	$cb->($pkg);
		2574	1
		2575	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2576	}
1860		2577
		2578	warn "... nuking $pkg";
		2579	Symbol::delete_package $pkg;
		2580	}
		2581
1861	# unload all modules loaded from $LIBDIR	2582	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2583	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2585
1865	warn "removing <$k>";	2586	warn "... unloading $k";
1866	delete $INC{$k};	2587	delete $INC{$k};
1867		2588
1868	$k =~ s/\.pm$//;	2589	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2590	$k =~ s/\//::/g;
1870		2591
…		…
1873	}	2594	}
1874		2595
1875	Symbol::delete_package $k;	2596	Symbol::delete_package $k;
1876	}	2597	}
1877		2598
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2599	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2600	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2602
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2603	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2604	delete $INC{"cf.pm"};
1891		2605
1892	# don't, removes xs symbols, too,	2606	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2607	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2608	#Symbol::delete_package __PACKAGE__;
1895		2609
1896	# reload cf.pm	2610	warn "unload completed, starting to reload now";
		2611
1897	warn "reloading cf.pm";	2612	warn "reloading cf.pm";
1898	require cf;	2613	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2615
1901	# load config and database again	2616	warn "loading config and database again";
1902	cf::cfg_load;	2617	cf::cfg_load;
1903	cf::db_load;
1904		2618
1905	# load extensions
1906	warn "load extensions";	2619	warn "loading extensions";
1907	cf::load_extensions;	2620	cf::load_extensions;
1908		2621
1909	# reattach attachments to objects	2622	warn "reattaching attachments to objects/players";
1910	warn "reattach";	2623	_global_reattach; # objects, sockets
1911	_global_reattach;	2624	warn "reattaching attachments to maps";
1912	};	2625	reattach $_ for values %MAP;
		2626	warn "reattaching attachments to players";
		2627	reattach $_ for values %PLAYER;
1913		2628
1914	if ($@) {	2629	warn "leaving sync_job";
		2630
		2631	1
		2632	} or do {
1915	warn $@;	2633	warn $@;
1916	warn "error while reloading, exiting.";	2634	warn "error while reloading, exiting.";
1917	exit 1;	2635	exit 1;
1918	}	2636	};
1919		2637
1920	warn "reloaded successfully";	2638	warn "reloaded";
1921	};	2639	};
1922		2640
1923	#############################################################################	2641	our $RELOAD_WATCHER; # used only during reload
1924		2642
1925	unless ($LINK_MAP) {	2643	sub reload_perl() {
1926	$LINK_MAP = cf::map::new;	2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
1927		2646
1928	$LINK_MAP->width (41);	2647	$RELOAD_WATCHER ||= Event->timer (
1929	$LINK_MAP->height (41);	2648	reentrant => 0,
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,	2649	after => 0,
		2650	data => WF_AUTOCANCEL,
1938	cb => sub {	2651	cb => sub {
1939	$_[0]->w->cancel;	2652	do_reload_perl;
1940		2653	undef $RELOAD_WATCHER;
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});	2654	},
1959		2655	);
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2656	}
1965		2657
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2658	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2659	my ($who, $arg) = @_;
1970		2660
1971	if ($who->flag (FLAG_WIZ)) {	2661	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2662	$who->message ("reloading server.");
		2663	async { reload_perl };
1975	}	2664	}
1976	};	2665	};
1977		2666
1978	unshift @INC, $LIBDIR;	2667	unshift @INC, $LIBDIR;
		2668
		2669	my $bug_warning = 0;
		2670
		2671	our @WAIT_FOR_TICK;
		2672	our @WAIT_FOR_TICK_BEGIN;
		2673
		2674	sub wait_for_tick {
		2675	return unless $TICK_WATCHER->is_active;
		2676	return if $Coro::current == $Coro::main;
		2677
		2678	my $signal = new Coro::Signal;
		2679	push @WAIT_FOR_TICK, $signal;
		2680	$signal->wait;
		2681	}
		2682
		2683	sub wait_for_tick_begin {
		2684	return unless $TICK_WATCHER->is_active;
		2685	return if $Coro::current == $Coro::main;
		2686
		2687	my $signal = new Coro::Signal;
		2688	push @WAIT_FOR_TICK_BEGIN, $signal;
		2689	$signal->wait;
		2690	}
1979		2691
1980	$TICK_WATCHER = Event->timer (	2692	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2693	reentrant => 0,
		2694	parked => 1,
1982	prio => 0,	2695	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2696	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2697	data => WF_AUTOCANCEL,
1985	cb => sub {	2698	cb => sub {
1986	unless ($FREEZE) {	2699	if ($Coro::current != $Coro::main) {
		2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2701	unless ++$bug_warning > 10;
		2702	return;
		2703	}
		2704
		2705	$NOW = Event::time;
		2706
1987	cf::server_tick; # one server iteration	2707	cf::server_tick; # one server iteration
		2708
1988	$RUNTIME += $TICK;	2709	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2710	$NEXT_TICK += $TICK;
		2711
		2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2713	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2714	Coro::async_pool {
		2715	write_runtime
		2716	or warn "ERROR: unable to write runtime file: $!";
		2717	};
		2718	}
		2719
		2720	# my $AFTER = Event::time;
		2721	# warn $AFTER - $NOW;#d#
1992		2722
1993	# if we are delayed by four ticks or more, skip them all	2723	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2725
1996	$TICK_WATCHER->at ($NEXT_TICK);	2726	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2727	$TICK_WATCHER->start;
		2728
		2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2730	$sig->send;
		2731	}
		2732	while (my $sig = shift @WAIT_FOR_TICK) {
		2733	$sig->send;
		2734	}
		2735
		2736	_post_tick;
1998	},	2737	},
1999	);	2738	);
2000		2739
		2740	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	2741	BDB::max_poll_time $TICK * 0.1;
2002		2742	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	2743	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2744	fd => BDB::poll_fileno,
2005	poll => 'r',	2745	poll => 'r',
2006	prio => 5,	2746	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	2747	data => WF_AUTOCANCEL,
2013	after => 0,	2748	cb => \&BDB::poll_cb,
2014	interval => 10,	2749	);
2015	cb => sub {	2750	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	2751
2017	write_runtime	2752	BDB::set_sync_prepare {
2018	or warn "ERROR: unable to write runtime file: $!";	2753	my $status;
		2754	my $current = $Coro::current;
		2755	(
		2756	sub {
		2757	$status = $!;
		2758	$current->ready; undef $current;
		2759	},
		2760	sub {
		2761	Coro::schedule while defined $current;
		2762	$! = $status;
		2763	},
		2764	)
		2765	};
		2766
		2767	unless ($DB_ENV) {
		2768	$DB_ENV = BDB::db_env_create;
		2769
		2770	cf::sync_job {
		2771	eval {
		2772	BDB::db_env_open
		2773	$DB_ENV,
		2774	$BDB_ENV_DIR,
		2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2777	0666;
		2778
		2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2780
		2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2782	$DB_ENV->set_lk_detect;
		2783	};
		2784
		2785	cf::cleanup "db_env_open(db): $@" if $@;
2019	})->();	2786	};
2020	},	2787	}
2021	);	2788	}
		2789
		2790	{
		2791	IO::AIO::min_parallel 8;
		2792
		2793	undef $Coro::AIO::WATCHER;
		2794	IO::AIO::max_poll_time $TICK * 0.1;
		2795	$AIO_POLL_WATCHER = Event->io (
		2796	reentrant => 0,
		2797	data => WF_AUTOCANCEL,
		2798	fd => IO::AIO::poll_fileno,
		2799	poll => 'r',
		2800	prio => 6,
		2801	cb => \&IO::AIO::poll_cb,
		2802	);
		2803	}
		2804
		2805	END { cf::emergency_save }
2022		2806
2023	1	2807	1
2024		2808

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