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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
77		87
78	#############################################################################	88	#############################################################################
79		89
80	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
105		115
106	=item %cf::CFG	116	=item %cf::CFG
107		117
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
110		127
111	=back	128	=back
112		129
113	=cut	130	=cut
114		131
…		…
118	utf8::encode $msg;	135	utf8::encode $msg;
119		136
120	$msg .= "\n"	137	$msg .= "\n"
121	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
122		139
123	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
124	};	141	};
125	}	142	}
126		143
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		163
147	$Event::DIED = sub {	164	$Event::DIED = sub {
148	warn "error in event callback: @_";	165	warn "error in event callback: @_";
149	};	166	};
150		167
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
156		169
157	=over 4	170	=over 4
158		171
		172	=item dumpval $ref
		173
159	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
160		194
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		196
163	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
164		198
…		…
180	sub to_json($) {	214	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
183	}	217	}
184		218
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	219	=item cf::lock_wait $string
208		220
209	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
210		222
211	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
212		224
213	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
216	returned.	228	returned.
217		229
218	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
220		232
221	=cut	233	=cut
222		234
223	our %LOCK;	235	our %LOCK;
224		236
…		…
238	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
239	lock_wait $key;	251	lock_wait $key;
240		252
241	$LOCK{$key} = [];	253	$LOCK{$key} = [];
242		254
243	cf::guard {	255	Coro::guard {
244	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
246	}	258	}
247	}	259	}
248		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
249	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
250		274
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
253		278
254	=cut	279	=cut
255		280
256	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		282
265	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
266		284
267	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
284		302
285	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	304	# (but this is cancel-safe)
287	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
288		306
289	my $busy = 1;	307	my $busy = 1;
290	my @res;	308	my @res;
291		309
292	(Coro::async {	310	(async {
293	@res = eval { $job->() };	311	@res = eval { $job->() };
294	warn $@ if $@;	312	warn $@ if $@;
295	undef $busy;	313	undef $busy;
296	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
297		315
298	while ($busy) {	316	while ($busy) {
299	Coro::cede_notself;	317	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	318	}
302		319
303	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
304	} else {	321	} else {
305	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
306		323
307	$job->()	324	$job->()
308	}	325	}
309	}	326	}
310		327
311	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
312		329
313	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
315		332
316	=cut	333	=cut
317		334
318	sub coro(&) {	335	sub async_ext(&) {
319	my $cb = shift;	336	my $cb = shift;
320		337
321	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
322		339
323	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
325	});	342	});
326	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
333		350
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	352	or return;
336		353
		354	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	359	and return;
340		360
341	aio_fsync $fh	361	aio_fsync $fh
342	and return;	362	and return;
…		…
351	}	371	}
352		372
353	=back	373	=back
354		374
355	=cut	375	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		376
477	#############################################################################	377	#############################################################################
478		378
479	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
480		380
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	507	our @CB_MAP = ();
608		508
609	my %attachment;	509	my %attachment;
610		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
611	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
613		519
614	use sort 'stable';	520	use sort 'stable';
615		521
…		…
786	# object support	692	# object support
787		693
788	sub reattach {	694	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		699
792	my $registry = $obj->registry;	700	my $registry = $obj->registry;
793		701
794	@$registry = ();	702	@$registry = ();
795		703
…		…
927	=cut	835	=cut
928		836
929	sub register_extcmd {	837	sub register_extcmd {
930	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
931		839
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
936	}	841	}
937		842
938	cf::player->attach (	843	cf::player->attach (
939	on_command => sub {	844	on_command => sub {
940	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
953		858
954	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
955		860
956	if (ref $msg) {	861	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	865	}
961	}	866	}
962	} else {	867	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		870
966	cf::override;	871	cf::override;
967	},	872	},
968	);	873	);
969		874
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	875	sub load_extension {
977	my ($path) = @_;	876	my ($path) = @_;
978		877
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	879	my $base = $1;
981	my $pkg = $1;	880	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
984		883
985	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
986		885
987	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
988	or die "$path: $!";	887	or die "$path: $!";
989		888
990	my $source =	889	my $source =
991	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
994	. "\n};\n1";	893	. "\n};\n1";
995		894
996	eval $source	895	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	897	: "extension disabled.\n";
999		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	899	warn $@;
1001	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1002		901	exit 1;
1003	# no strict 'refs';	902	}
1004	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	904	}
1019		905
1020	# remove commands	906	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	907	}
1045		908
1046	sub load_extensions {	909	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	911	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1053	}	916	}
1054	}	917	}
1055		918
1056	#############################################################################	919	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		920
1094	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1095		922
1096	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1097		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1098	=head3 cf::player	931	=head3 cf::player
1099		932
1100	=over 4	933	=over 4
1101		934
1102	=item cf::player::exists $login	935	=item cf::player::find $login
1103		936
1104	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1105		938
1106	=cut	939	=cut
1107		940
1108	sub cf::player::exists($) {	941	sub playerdir($) {
1109	cf::player::find $_[0]	942	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1111	}	1088	}
1112		1089
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1091
1115	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1116		1093
1117	=cut	1094	=cut
1118		1095
1119	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1121		1098
1122	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1123		1100
1124	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1125	}	1102	}
		1103
		1104	package cf;
1126		1105
1127	=back	1106	=back
1128		1107
1129		1108
1130	=head3 cf::map	1109	=head3 cf::map
…		…
1136	package cf::map;	1115	package cf::map;
1137		1116
1138	use Fcntl;	1117	use Fcntl;
1139	use Coro::AIO;	1118	use Coro::AIO;
1140		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1141	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1143		1126
1144	sub generate_random_map {	1127	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1130	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1270	}
1162		1271
1163	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1164	# all maps in C++...	1273	# all maps in C++...
1165	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1167		1276
1168	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1170	}	1279	}
1171		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1172	sub try_load_header($) {	1289	sub load_header_from($) {
1173	my ($path) = @_;	1290	my ($self, $path) = @_;
1174		1291
1175	utf8::encode $path;	1292	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1177	or return;	1294	or return;
1178		1295
1179	my $map = cf::map::new	1296	$self->_load_header ($path)
1180	or return;	1297	or return;
1181		1298
1182	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1183	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1184		1345
1185	$map->{load_path} = $path;	1346	1
1186
1187	$map
1188	}	1347	}
1189		1348
1190	sub find_map;	1349	sub find;
1191	sub find_map {	1350	sub find {
1192	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1193		1352
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1354
1199	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1200		1356
1201	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1203		1359	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1360	or return;
1219		1361
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);	1363
		1364	$map->load_header
		1365	or return;
1232		1366
1233	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1370	$map->reset;
1235	undef $guard;	1371	undef $guard;
1236	$map = find_map $path	1372	return find $path;
1237	or return;
1238	}	1373	}
1239		1374
1240	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1241	}	1376	}
1242	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1243		1381
1244	sub load {	1382	sub load {
1245	my ($self) = @_;	1383	my ($self) = @_;
1246		1384
1247	my $path = $self->{path};	1385	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1249		1387
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1389
1252	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1253		1391
1254	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1255	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1397	or return;
1257		1398
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1400	if delete $self->{load_original};
1260		1401
1261	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1403	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1405	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1266	}	1407	}
1267	}	1408	}
		1409
		1410	Coro::cede;
1268		1411
1269	# now do the right thing for maps	1412	# now do the right thing for maps
1270	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1271		1414
1272	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1416	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1279	$self->set_darkness_map;	1420	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1282	$self->activate;	1424	$self->activate;
1283	}	1425	}
1284		1426
		1427	$self->post_load;
		1428
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1430	}
1287		1431
1288	sub load_map_sync {	1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
		1463	}
		1464
		1465	sub find_sync {
1289	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1290		1467
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1468	cf::sync_job { find $path, $origin }
		1469	}
1292		1470
1293	cf::sync_job {	1471	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1472	my ($map) = @_;
1295	or return;	1473
		1474	cf::sync_job { $map->load };
		1475	}
		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
1296	$map->load;	1495	$map->load;
1297	$map	1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
1298	}	1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
1299	}	1505	}
1300		1506
1301	sub save {	1507	sub save {
1302	my ($self) = @_;	1508	my ($self) = @_;
1303		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
1304	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1305		1513
1306	return unless $self->dirty;	1514	return unless $self->dirty;
1307		1515
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1518
1311	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1312		1520
1313	return if $self->{deny_save};	1521	return if $self->{deny_save};
1314		1522
		1523	local $self->{last_access} = $self->last_access;#d#
		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1315	if ($uniq) {	1529	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1532	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1534	}
1321	}	1535	}
1322		1536
1323	sub swap_out {	1537	sub swap_out {
1324	my ($self) = @_;	1538	my ($self) = @_;
1325		1539
1326	# save first because save cedes	1540	# save first because save cedes
1327	$self->save;	1541	$self->save;
		1542
		1543	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1544
1329	return if $self->players;	1545	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1547	return if $self->{deny_save};
1332		1548
…		…
1336		1552
1337	sub reset_at {	1553	sub reset_at {
1338	my ($self) = @_;	1554	my ($self) = @_;
1339		1555
1340	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1343		1559
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1562
…		…
1351	my ($self) = @_;	1567	my ($self) = @_;
1352		1568
1353	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1354	}	1570	}
1355		1571
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1572	sub reset {
1378	my ($self) = @_;	1573	my ($self) = @_;
1379		1574
		1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1576
1380	return if $self->players;	1577	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1382		1579
1383	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1384		1581
1385	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1386		1586
1387	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1388		1588
1389	$self->unlink_save;	1589	$self->unlink_save;
1390	$self->destroy;	1590	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1394		1594
1395	sub nuke {	1595	sub nuke {
1396	my ($self) = @_;	1596	my ($self) = @_;
1397		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1401	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1402	}	1611	}
1403		1612
1404	sub customise_for {	1613	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1614
1407	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1409	}
1410		1617
1411	$map	1618	=cut
1412	}
1413		1619
1414	sub emergency_save {	1620	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1416		1623
1417	warn "enter emergency map save\n";	1624	my @paths;
1418		1625
1419	cf::sync_job {	1626	for (@$files) {
1420	warn "begin emergency map save\n";	1627	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1422	};	1633	}
1423		1634
1424	warn "end emergency map save\n";	1635	\@paths
1425	}	1636	}
1426		1637
1427	package cf;	1638	package cf;
1428		1639
1429	=back	1640	=back
1430		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1431		1668
1432	=head3 cf::object::player	1669	=head3 cf::object::player
1433		1670
1434	=over 4	1671	=over 4
1435		1672
…		…
1475		1712
1476	=item $player_object->enter_link	1713	=item $player_object->enter_link
1477		1714
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1716
1480	The player should be reaosnably safe there for short amounts of time. You	1717	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1482		1719
		1720	Will never block.
		1721
1483	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1484		1723
1485	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1727	fails, to the emergency map position.
1489		1728
1490	Might block.	1729	Might block.
1491		1730
1492	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1493		1742
1494	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1744	my ($self) = @_;
1496		1745
1497	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1498		1747
1499	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1749
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1751	if $self->map;
1503		1752
1504	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1754	}
1506		1755
1507	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1509		1758
1510	my $link_pos = delete $self->{_link_pos};	1759	my $link_pos = delete $self->{_link_pos};
1511		1760
1512	unless ($map) {	1761	unless ($map) {
1513	# restore original map position	1762	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1763	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1764	$map = cf::map::find $map;
1516		1765
1517	unless ($map) {	1766	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1767	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1768	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1769	or die "FATAL: cannot load emergency map\n";
1521	}	1770	}
1522	}	1771	}
1523		1772
1524	($x, $y) = (-1, -1)	1773	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1530		1779
1531	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1532		1782
		1783	return unless $self->contr->active;
1533	$self->activate_recursive;	1784	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1535	}	1786	}
1536		1787
1537	cf::player->attach (	1788	cf::player->attach (
…		…
1550		1801
1551	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1803	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1555	cf::async {	1806	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1807	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1560	};	1815	})->prio (2);
1561	}	1816	}
1562	},	1817	},
1563	);	1818	);
1564		1819
1565	=item $player_object->goto_map ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
1566		1821
1567	=cut	1822	=cut
1568		1823
1569	sub cf::object::player::goto_map {	1824	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1571		1826
1572	$self->enter_link;	1827	$self->enter_link;
1573		1828
1574	(cf::async {	1829	(async {
1575	$path = new cf::path $path;
1576
1577	my $map = cf::map::find_map $path->as_string;	1830	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1579		1832
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1581	# if $map;	1834	# if $map;
1582		1835
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1837
1585	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1839	})->prio (1);
1587	}	1840	}
1588		1841
…		…
1592		1845
1593	sub parse_random_map_params {	1846	sub parse_random_map_params {
1594	my ($spec) = @_;	1847	my ($spec) = @_;
1595		1848
1596	my $rmp = { # defaults	1849	my $rmp = { # defaults
1597	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1599	};	1854	};
1600		1855
1601	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1603		1858
…		…
1607	$rmp	1862	$rmp
1608	}	1863	}
1609		1864
1610	sub prepare_random_map {	1865	sub prepare_random_map {
1611	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1869
1613	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1872	# that depends on the exit object
1616		1873
…		…
1625		1882
1626	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1627		1884
1628	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1888
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1633		1893
1634	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1895	$exit->msg (undef);
1636	}	1896	}
1637	}	1897	}
…		…
1641		1901
1642	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1643		1903
1644	$self->enter_link;	1904	$self->enter_link;
1645		1905
1646	(cf::async {	1906	(async {
		1907	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1908	unless (eval {
1648	prepare_random_map $exit	1909	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1650		1911
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1914
1654	1;	1915	1;
1655	}) {	1916	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1921
1661	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1923	$self->leave_link;
1663	}	1924	}
…		…
1731	}	1992	}
1732	}	1993	}
1733	},	1994	},
1734	);	1995	);
1735		1996
1736	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1737		1998
1738	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2001	or loss of connection).
1741		2002
1742	=cut	2003	=cut
1743		2004
1744	sub cf::client::coro {	2005	sub cf::client::async {
1745	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1746		2007
1747	my $coro = &cf::async ($cb);	2008	my $coro = &Coro::async ($cb);
1748		2009
1749	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1751	});	2012	});
1752		2013
…		…
1946	sub db_sync() {	2207	sub db_sync() {
1947	db_save if $dirty;	2208	db_save if $dirty;
1948	undef $dirty;	2209	undef $dirty;
1949	}	2210	}
1950		2211
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1952	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1953	});	2219	);
1954		2220
1955	sub db_dirty() {	2221	sub db_dirty() {
1956	$dirty = 1;	2222	$dirty = 1;
1957	$idle->start;	2223	$idle->start;
1958	}	2224	}
…		…
1990	local $/;	2256	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
1992		2258
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
1995	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
1996	eval {	2265	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2268	};
2000	warn $@ if $@;	2269	warn $@ if $@;
2001	}	2270	}
2002	}	2271	}
2003		2272
2004	sub main {	2273	sub main {
2005	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2277	(async {
2009	Event::one_event;	2278	Event::one_event;
2010	})->();	2279	})->prio (Coro::PRIO_MAX);
2011	};	2280	};
2012		2281
2013	cfg_load;	2282	cfg_load;
2014	db_load;	2283	db_load;
2015	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2016	Event::loop;	2287	Event::loop;
2017	}	2288	}
2018		2289
2019	#############################################################################	2290	#############################################################################
2020	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2021		2336
2022	sub reload() {	2337	sub reload() {
2023	# can/must only be called in main	2338	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2026	return;	2341	return;
2027	}	2342	}
2028		2343
2029	warn "reloading...";	2344	warn "reloading...";
2030		2345
2031	local $FREEZE = 1;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2032	cf::emergency_save;	2349	cf::emergency_save;
2033		2350
2034	eval {	2351	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2036		2353
2037	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2360	}
2041		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2042	# cancel all extension coros	2370	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2372	%EXT_CORO = ();
2045		2373
2046	# unload all extensions	2374	warn "removing commands";
2047	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2049	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2389	}
2051		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2052	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2398
2056	warn "removing <$k>";	2399	warn "... unloading $k";
2057	delete $INC{$k};	2400	delete $INC{$k};
2058		2401
2059	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2061		2404
…		…
2064	}	2407	}
2065		2408
2066	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2067	}	2410	}
2068		2411
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2415
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2082		2418
2083	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2420	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2086		2422
2087	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2088	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2089	require cf;	2426	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2428
2092	# load config and database again	2429	warn "loading config and database again";
2093	cf::cfg_load;	2430	cf::cfg_load;
2094	cf::db_load;	2431	cf::db_load;
2095		2432
2096	# load extensions
2097	warn "load extensions";	2433	warn "loading extensions";
2098	cf::load_extensions;	2434	cf::load_extensions;
2099		2435
2100	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2103	};	2444	};
2104		2445
2105	if ($@) {	2446	if ($@) {
2106	warn $@;	2447	warn $@;
2107	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2108	exit 1;	2449	exit 1;
2109	}	2450	}
2110		2451
2111	warn "reloaded successfully";	2452	warn "reloaded";
2112	};	2453	};
2113		2454
2114	#############################################################################	2455	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2456
2159	register_command "reload" => sub {	2457	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2161		2459
2162	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2164	reload;	2471	reload;
2165	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2166	}	2475	}
2167	};	2476	};
2168		2477
2169	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2170		2481
2171	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2173	prio => 0,	2485	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2176	cb => sub {	2488	cb => sub {
2177	unless ($FREEZE) {	2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2178	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2183		2509
2184	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2512
2187	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2189	},	2515	},
2190	);	2516	);
2191		2517
2192	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2193		2519
2194	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2524	poll => 'r',
2197	prio => 5,	2525	prio => 6,
2198	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2200	);	2528	);
2201		2529
2202	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2203	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2204	after => 0,	2533	after => 1,
2205	interval => 10,	2534	interval => 10,
2206	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2207	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2208	write_runtime	2537	write_runtime
2209	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2210	})->();
2211	},	2539	},
2212	);	2540	);
2213		2541
2214	END { cf::emergency_save }	2542	END { cf::emergency_save }
2215		2543

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