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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.198 by root, Sun Jan 28 01:58:37 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	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=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	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
259		350
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	352	or return;
262		353
		354	my $value = $cf::RUNTIME + 90 + 10;
263	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
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	359	and return;
266		360
267	aio_fsync $fh	361	aio_fsync $fh
268	and return;	362	and return;
…		…
277	}	371	}
278		372
279	=back	373	=back
280		374
281	=cut	375	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		376
403	#############################################################################	377	#############################################################################
404		378
405	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
406		380
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	507	our @CB_MAP = ();
534		508
535	my %attachment;	509	my %attachment;
536		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
537	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
539		519
540	use sort 'stable';	520	use sort 'stable';
541		521
…		…
712	# object support	692	# object support
713		693
714	sub reattach {	694	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		699
718	my $registry = $obj->registry;	700	my $registry = $obj->registry;
719		701
720	@$registry = ();	702	@$registry = ();
721		703
…		…
817	(aio_load "$filename.pst", $av) >= 0	799	(aio_load "$filename.pst", $av) >= 0
818	or return;	800	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	801	$av = eval { (Storable::thaw $av)->{objs} };
820	}	802	}
821		803
		804	warn sprintf "loading %s (%d)\n",
		805	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	806	return ($data, $av);
823	}	807	}
824		808
825	#############################################################################	809	#############################################################################
826	# command handling &c	810	# command handling &c
…		…
851	=cut	835	=cut
852		836
853	sub register_extcmd {	837	sub register_extcmd {
854	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
855		839
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
860	}	841	}
861		842
862	cf::player->attach (	843	cf::player->attach (
863	on_command => sub {	844	on_command => sub {
864	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
877		858
878	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
879		860
880	if (ref $msg) {	861	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	865	}
885	}	866	}
886	} else {	867	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		870
890	cf::override;	871	cf::override;
891	},	872	},
892	);	873	);
893		874
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	875	sub load_extension {
901	my ($path) = @_;	876	my ($path) = @_;
902		877
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	879	my $base = $1;
905	my $pkg = $1;	880	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
908		883
909	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
910		885
911	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
912	or die "$path: $!";	887	or die "$path: $!";
913		888
914	my $source =	889	my $source =
915	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
918	. "\n};\n1";	893	. "\n};\n1";
919		894
920	eval $source	895	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	897	: "extension disabled.\n";
923		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	899	warn $@;
925	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
926		901	exit 1;
927	# no strict 'refs';	902	}
928	# @{"$pkg\::ISA"} = ext::;	903	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	904	}
943		905
944	# remove commands	906	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	907	}
969		908
970	sub load_extensions {	909	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	911	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
977	}	916	}
978	}	917	}
979		918
980	#############################################################################	919	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		920
1018	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1019		922
1020	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1021		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1022	=head3 cf::player	931	=head3 cf::player
1023		932
1024	=over 4	933	=over 4
1025		934
1026	=item cf::player::exists $login	935	=item cf::player::find $login
1027		936
1028	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1029		938
1030	=cut	939	=cut
1031		940
1032	sub cf::player::exists($) {	941	sub playerdir($) {
1033	cf::player::find $_[0]	942	cf::localdir
1034	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
1035	}	1088	}
1036		1089
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1091
1039	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1040		1093
1041	=cut	1094	=cut
1042		1095
1043	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1045		1098
1046	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1047		1100
1048	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1049	}	1102	}
		1103
		1104	package cf;
1050		1105
1051	=back	1106	=back
1052		1107
1053		1108
1054	=head3 cf::map	1109	=head3 cf::map
…		…
1060	package cf::map;	1115	package cf::map;
1061		1116
1062	use Fcntl;	1117	use Fcntl;
1063	use Coro::AIO;	1118	use Coro::AIO;
1064		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1065	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1067		1126
1068	sub generate_random_map {	1127	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1130	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(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, $path
1085	}	1270	}
1086		1271
1087	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1088	# all maps in C++...	1273	# all maps in C++...
1089	sub change_all_map_light {	1274	sub change_all_map_light {
1090	my ($change) = @_;	1275	my ($change) = @_;
1091		1276
1092	$_->change_map_light ($change) for values %cf::MAP;	1277	$_->change_map_light ($change)
		1278	for grep $_->outdoor, values %cf::MAP;
1093	}	1279	}
1094		1280
		1281	sub unlink_save {
		1282	my ($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
1095	sub try_load_header($) {	1289	sub load_header_from($) {
1096	my ($path) = @_;	1290	my ($self, $path) = @_;
1097		1291
1098	utf8::encode $path;	1292	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1100	or return;	1294	or return;
1101		1295
1102	my $map = cf::map::new	1296	$self->_load_header ($path)
1103	or return;	1297	or return;
1104		1298
1105	$map->load_header ($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
1106	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1107		1345
1108	$map->{load_path} = $path;	1346	1
1109
1110	$map
1111	}	1347	}
1112		1348
		1349	sub find;
1113	sub find_map {	1350	sub find {
1114	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1115		1352
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1354
		1355	cf::lock_wait "map_find:$path";
		1356
1121	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1122	# do it the slow way	1358	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1359	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1360	or return;
1137		1361
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1362	$map->{last_save} = $cf::RUNTIME;
1149		1363
1150	if ($map->should_reset) {	1364	$map->load_header
		1365	or return;
		1366
		1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1370	$map->reset;
1152	$map = find_map $path;	1371	undef $guard;
		1372	return find $path;
1153	}	1373	}
1154		1374
1155	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1156	}	1376	}
1157	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1158		1381
1159	sub load {	1382	sub load {
1160	my ($self) = @_;	1383	my ($self) = @_;
1161		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
		1387	my $path = $self->{path};
		1388	my $guard = cf::lock_acquire "map_load:$path";
		1389
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1391
1164	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1165		1393
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1169	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1399	or return;
1171		1400
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1402	if delete $self->{load_original};
1174		1403
1175	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1405	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1407	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1180	}	1409	}
1181	}	1410	}
		1411
		1412	Coro::cede;
1182		1413
1183	# now do the right thing for maps	1414	# now do the right thing for maps
1184	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1185		1416
1186	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1418	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1193	$self->set_darkness_map;	1422	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1196	$self->activate;	1426	$self->activate;
1197	}	1427	}
1198		1428
		1429	$self->post_load;
		1430
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1432	}
1201		1433
1202	sub load_map_sync {	1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
		1465	}
		1466
		1467	sub find_sync {
1203	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1204		1469
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1470	cf::sync_job { find $path, $origin }
		1471	}
1206		1472
1207	cf::sync_job {	1473	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1474	my ($map) = @_;
1209	or return;	1475
		1476	cf::sync_job { $map->load };
		1477	}
		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER ||= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
1210	$map->load;	1497	$map->load;
1211	$map	1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
1212	}	1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
1213	}	1507	}
1214		1508
1215	sub save {	1509	sub save {
1216	my ($self) = @_;	1510	my ($self) = @_;
1217		1511
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1513
1221	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1222		1515
1223	return unless $self->dirty;	1516	return unless $self->dirty;
1224		1517
		1518	my $save = $self->save_path; utf8::encode $save;
		1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1520
1225	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1226		1522
1227	return if $self->{deny_save};	1523	return if $self->{deny_save};
1228		1524
		1525	local $self->{last_access} = $self->last_access;#d#
		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1229	if ($uniq) {	1531	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1534	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1536	}
1235	}	1537	}
1236		1538
1237	sub swap_out {	1539	sub swap_out {
1238	my ($self) = @_;	1540	my ($self) = @_;
		1541
		1542	# save first because save cedes
		1543	$self->save;
		1544
		1545	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1546
1240	return if $self->players;	1547	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1549	return if $self->{deny_save};
1243		1550
1244	$self->save;
1245	$self->clear;	1551	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1552	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1553	}
1248		1554
1249	sub reset_at {	1555	sub reset_at {
1250	my ($self) = @_;	1556	my ($self) = @_;
1251		1557
1252	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1255		1561
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1564
…		…
1263	my ($self) = @_;	1569	my ($self) = @_;
1264		1570
1265	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1266	}	1572	}
1267		1573
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1574	sub reset {
1290	my ($self) = @_;	1575	my ($self) = @_;
1291		1576
		1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1578
1292	return if $self->players;	1579	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1294		1581
1295	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1296		1583
1297	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1298		1588
1299	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1300		1590
1301	$self->unlink_save;	1591	$self->unlink_save;
1302	$self->destroy;	1592	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1306		1596
1307	sub nuke {	1597	sub nuke {
1308	my ($self) = @_;	1598	my ($self) = @_;
1309		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1313	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1314	}	1613	}
1315		1614
1316	sub customise_for {	1615	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1616
1319	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1321	}
1322		1619
1323	$map	1620	=cut
1324	}
1325		1621
1326	sub emergency_save {	1622	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1328		1625
1329	warn "enter emergency map save\n";	1626	my @paths;
1330		1627
1331	cf::sync_job {	1628	for (@$files) {
1332	warn "begin emergency map save\n";	1629	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1334	};	1635	}
1335		1636
1336	warn "end emergency map save\n";	1637	\@paths
1337	}	1638	}
1338		1639
1339	package cf;	1640	package cf;
1340		1641
1341	=back	1642	=back
1342		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1343		1670
1344	=head3 cf::object::player	1671	=head3 cf::object::player
1345		1672
1346	=over 4	1673	=over 4
1347		1674
…		…
1387		1714
1388	=item $player_object->enter_link	1715	=item $player_object->enter_link
1389		1716
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1718
1392	The player should be reaosnably safe there for short amounts of time. You	1719	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1394		1721
		1722	Will never block.
		1723
1395	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1396		1725
1397	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1729	fails, to the emergency map position.
1401		1730
1402	Might block.	1731	Might block.
1403		1732
1404	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1405		1744
1406	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1746	my ($self) = @_;
1408		1747
1409	return if $self->map == $LINK_MAP;	1748	$self->deactivate_recursive;
1410		1749
		1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1751
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1753	if $self->map;
1413		1754
1414	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1756	}
1417		1757
1418	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1420		1760
1421	my $link_pos = delete $self->{_link_pos};	1761	my $link_pos = delete $self->{_link_pos};
1422		1762
1423	unless ($map) {	1763	unless ($map) {
1424	# restore original map position	1764	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1765	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1766	$map = cf::map::find $map;
1427		1767
1428	unless ($map) {	1768	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1769	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1770	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1771	or die "FATAL: cannot load emergency map\n";
1432	}	1772	}
1433	}	1773	}
1434		1774
1435	($x, $y) = (-1, -1)	1775	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1441		1781
1442	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1443		1784
		1785	return unless $self->contr->active;
1444	$self->activate_recursive;	1786	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1446	}	1788	}
1447		1789
		1790	cf::player->attach (
		1791	on_logout => sub {
		1792	my ($pl) = @_;
		1793
		1794	# abort map switching before logout
		1795	if ($pl->ob->{_link_pos}) {
		1796	cf::sync_job {
		1797	$pl->ob->leave_link
		1798	};
		1799	}
		1800	},
		1801	on_login => sub {
		1802	my ($pl) = @_;
		1803
		1804	# try to abort aborted map switching on player login :)
		1805	# should happen only on crashes
		1806	if ($pl->ob->{_link_pos}) {
		1807	$pl->ob->enter_link;
		1808	(async {
		1809	# we need this sleep as the login has a concurrent enter_exit running
		1810	# and this sleep increases chances of the player not ending up in scorn
		1811	$pl->ob->reply (undef,
		1812	"There was an internal problem at your last logout, "
		1813	. "the server will try to bring you to your intended destination in a second.",
		1814	cf::NDI_RED);
		1815	Coro::Timer::sleep 1;
		1816	$pl->ob->leave_link;
		1817	})->prio (2);
		1818	}
		1819	},
		1820	);
		1821
1448	=item $player_object->goto_map ($map, $x, $y)	1822	=item $player_object->goto ($path, $x, $y)
1449		1823
1450	=cut	1824	=cut
1451		1825
1452	sub cf::object::player::goto_map {	1826	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1454		1828
1455	$self->enter_link;	1829	$self->enter_link;
1456		1830
1457	(Coro::async {	1831	(async {
1458	$path = new cf::path $path;	1832	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1833	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1834	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1835	$map
1465		1836	} or
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1838
1468	$self->leave_link ($map, $x, $y);	1839	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1840	})->prio (1);
1470	}	1841	}
1471		1842
…		…
1475		1846
1476	sub parse_random_map_params {	1847	sub parse_random_map_params {
1477	my ($spec) = @_;	1848	my ($spec) = @_;
1478		1849
1479	my $rmp = { # defaults	1850	my $rmp = { # defaults
1480	xsize => 10,	1851	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1852	ysize => (cf::rndm 15, 40),
		1853	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1854	#layout => string,
1482	};	1855	};
1483		1856
1484	for (split /\n/, $spec) {	1857	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1858	my ($k, $v) = split /\s+/, $_, 2;
1486		1859
…		…
1490	$rmp	1863	$rmp
1491	}	1864	}
1492		1865
1493	sub prepare_random_map {	1866	sub prepare_random_map {
1494	my ($exit) = @_;	1867	my ($exit) = @_;
		1868
		1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1870
1496	# all this does is basically replace the /! path by	1871	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1872	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1873	# that depends on the exit object
1499		1874
1500	my $rmp = parse_random_map_params $exit->msg;	1875	my $rmp = parse_random_map_params $exit->msg;
1501		1876
1502	if ($exit->map) {	1877	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1878	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1879	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1880	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1881	$rmp->{origin_y} = $exit->y;
1507	}	1882	}
1508		1883
1509	$rmp->{random_seed} ||= $exit->random_seed;	1884	$rmp->{random_seed} ||= $exit->random_seed;
1510		1885
1511	my $data = cf::to_json $rmp;	1886	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1887	my $md5 = Digest::MD5::md5_hex $data;
		1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1889
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1891	aio_write $fh, 0, (length $data), $data, 0;
		1892	undef $fh;
		1893	aio_rename "$meta~", $meta;
1516		1894
1517	$exit->slaying ("?random/$md5");	1895	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1896	$exit->msg (undef);
1519	}	1897	}
1520	}	1898	}
…		…
1522	sub cf::object::player::enter_exit {	1900	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	1901	my ($self, $exit) = @_;
1524		1902
1525	return unless $self->type == cf::PLAYER;	1903	return unless $self->type == cf::PLAYER;
1526		1904
		1905	if ($exit->slaying eq "/!") {
		1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1907	cf::sync_job { prepare_random_map $exit };
		1908	}
		1909
		1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1911	my $hp = $exit->stats->hp;
		1912	my $sp = $exit->stats->sp;
		1913
1527	$self->enter_link;	1914	$self->enter_link;
1528		1915
1529	(Coro::async {	1916	(async {
		1917	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1918	unless (eval {
1531		1919	$self->goto ($slaying, $hp, $sp);
1532	prepare_random_map $exit
1533	if $exit->slaying eq "/!";
1534
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1537		1920
1538	1;	1921	1;
1539	}) {	1922	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1923	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1924	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1925	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1926	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1927
1545	warn "ERROR in enter_exit: $@";	1928	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1929	$self->leave_link;
1547	}	1930	}
…		…
1598	on_reply => sub {	1981	on_reply => sub {
1599	my ($ns, $msg) = @_;	1982	my ($ns, $msg) = @_;
1600		1983
1601	# this weird shuffling is so that direct followup queries	1984	# this weird shuffling is so that direct followup queries
1602	# get handled first	1985	# get handled first
1603	my $queue = delete $ns->{query_queue};	1986	my $queue = delete $ns->{query_queue}
		1987	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		1988
1605	(shift @$queue)->[1]->($msg);	1989	(shift @$queue)->[1]->($msg);
1606		1990
1607	push @{ $ns->{query_queue} }, @$queue;	1991	push @{ $ns->{query_queue} }, @$queue;
1608		1992
…		…
1614	}	1998	}
1615	}	1999	}
1616	},	2000	},
1617	);	2001	);
1618		2002
1619	=item $client->coro (\&cb)	2003	=item $client->async (\&cb)
1620		2004
1621	Create a new coroutine, running the specified callback. The coroutine will	2005	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	2006	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	2007	or loss of connection).
1624		2008
1625	=cut	2009	=cut
1626		2010
1627	sub cf::client::coro {	2011	sub cf::client::async {
1628	my ($self, $cb) = @_;	2012	my ($self, $cb) = @_;
1629		2013
1630	my $coro; $coro = async {	2014	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2015
1637	$coro->on_destroy (sub {	2016	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2017	delete $self->{_coro}{$coro+0};
1639	});	2018	});
1640		2019
…		…
1812		2191
1813	{	2192	{
1814	my $path = cf::localdir . "/database.pst";	2193	my $path = cf::localdir . "/database.pst";
1815		2194
1816	sub db_load() {	2195	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };	2196	$DB = stat $path ? Storable::retrieve $path : { };
1819	}	2197	}
1820		2198
1821	my $pid;	2199	my $pid;
1822		2200
1823	sub db_save() {	2201	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;	2202	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {	2203	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;	2204	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";	2205	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;	2206	rename "$path~", $path;
…		…
1836	sub db_sync() {	2213	sub db_sync() {
1837	db_save if $dirty;	2214	db_save if $dirty;
1838	undef $dirty;	2215	undef $dirty;
1839	}	2216	}
1840		2217
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2218	my $idle = Event->idle (
1842	db_sync;	2219	reentrant => 0,
		2220	min => 10,
		2221	max => 20,
		2222	repeat => 0,
		2223	data => WF_AUTOCANCEL,
		2224	cb => \&db_sync,
1843	});	2225	);
1844		2226
1845	sub db_dirty() {	2227	sub db_dirty() {
1846	$dirty = 1;	2228	$dirty = 1;
1847	$idle->start;	2229	$idle->start;
1848	}	2230	}
…		…
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2259	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2260	or return;
1879		2261
1880	local $/;	2262	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2263	*CFG = YAML::Syck::Load <$fh>;
		2264
		2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2266
		2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2269
		2270	if (exists $CFG{mlockall}) {
		2271	eval {
		2272	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2273	and die "WARNING: m(un)lockall failed: $!\n";
		2274	};
		2275	warn $@ if $@;
		2276	}
1882	}	2277	}
1883		2278
1884	sub main {	2279	sub main {
1885	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2283	(async {
1889	Event::one_event;	2284	Event::one_event;
1890	})->();	2285	})->prio (Coro::PRIO_MAX);
1891	};	2286	};
1892		2287
1893	cfg_load;	2288	cfg_load;
1894	db_load;	2289	db_load;
1895	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1896	Event::loop;	2293	Event::loop;
1897	}	2294	}
1898		2295
1899	#############################################################################	2296	#############################################################################
1900	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338	};
		2339
		2340	warn "leave emergency perl save\n";
		2341	}
1901		2342
1902	sub reload() {	2343	sub reload() {
1903	# can/must only be called in main	2344	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2345	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2346	warn "can only reload from main coroutine";
1906	return;	2347	return;
1907	}	2348	}
1908		2349
1909	warn "reloading...";	2350	warn "reloading...";
1910		2351
1911	local $FREEZE = 1;	2352	warn "cancelling server ticker";
		2353	$TICK_WATCHER->cancel;
		2354
1912	cf::emergency_save;	2355	cf::emergency_save;
1913		2356
1914	eval {	2357	eval {
1915	# if anything goes wrong in here, we should simply crash as we already saved	2358	# if anything goes wrong in here, we should simply crash as we already saved
1916		2359
1917	# cancel all watchers	2360	warn "syncing database to disk";
		2361	cf::db_sync;
		2362
		2363	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2364	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2365	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2366	}
1921		2367
		2368	warn "flushing outstanding aio requests";
		2369	for (;;) {
		2370	IO::AIO::flush;
		2371	Coro::cede;
		2372	last unless IO::AIO::nreqs;
		2373	warn "iterate...";
		2374	}
		2375
1922	# cancel all extension coros	2376	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2377	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2378	%EXT_CORO = ();
1925		2379
1926	# unload all extensions	2380	warn "removing commands";
1927	for (@exts) {	2381	%COMMAND = ();
		2382
		2383	warn "removing ext commands";
		2384	%EXTCMD = ();
		2385
		2386	warn "unloading/nuking all extensions";
		2387	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2388	warn "... unloading $pkg";
1929	unload_extension $_;	2389
		2390	if (my $cb = $pkg->can ("unload")) {
		2391	eval {
		2392	$cb->($pkg);
		2393	1
		2394	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2395	}
1931		2396
		2397	warn "... nuking $pkg";
		2398	Symbol::delete_package $pkg;
		2399	}
		2400
1932	# unload all modules loaded from $LIBDIR	2401	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2402	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2404
1936	warn "removing <$k>";	2405	warn "... unloading $k";
1937	delete $INC{$k};	2406	delete $INC{$k};
1938		2407
1939	$k =~ s/\.pm$//;	2408	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2409	$k =~ s/\//::/g;
1941		2410
…		…
1944	}	2413	}
1945		2414
1946	Symbol::delete_package $k;	2415	Symbol::delete_package $k;
1947	}	2416	}
1948		2417
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2418	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2419	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2421
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2422	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2423	delete $INC{"cf.pm"};
1962		2424
1963	# don't, removes xs symbols, too,	2425	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2426	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2427	#Symbol::delete_package __PACKAGE__;
1966		2428
1967	# reload cf.pm	2429	warn "unload completed, starting to reload now";
		2430
1968	warn "reloading cf.pm";	2431	warn "reloading cf.pm";
1969	require cf;	2432	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2434
1972	# load config and database again	2435	warn "loading config and database again";
1973	cf::cfg_load;	2436	cf::cfg_load;
1974	cf::db_load;	2437	cf::db_load;
1975		2438
1976	# load extensions
1977	warn "load extensions";	2439	warn "loading extensions";
1978	cf::load_extensions;	2440	cf::load_extensions;
1979		2441
1980	# reattach attachments to objects	2442	warn "reattaching attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2443	_global_reattach;
		2444	warn "reattaching attachments to maps";
		2445	reattach $_ for values %MAP;
		2446
		2447	warn "restarting server ticker";
		2448
		2449	$TICK_WATCHER->start;
1983	};	2450	};
1984		2451
1985	if ($@) {	2452	if ($@) {
1986	warn $@;	2453	warn $@;
1987	warn "error while reloading, exiting.";	2454	warn "error while reloading, exiting.";
1988	exit 1;	2455	exit 1;
1989	}	2456	}
1990		2457
1991	warn "reloaded successfully";	2458	warn "reloaded";
1992	};	2459	};
1993		2460
1994	#############################################################################	2461	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2462
2039	register_command "reload" => sub {	2463	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2464	my ($who, $arg) = @_;
2041		2465
2042	if ($who->flag (FLAG_WIZ)) {	2466	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2467	$who->message ("reloading server.");
		2468
		2469	# doing reload synchronously and two reloads happen back-to-back,
		2470	# coro crashes during coro_state_free->destroy here.
		2471
		2472	$RELOAD_WATCHER ||= Event->timer (
		2473	reentrant => 0,
		2474	after => 0,
		2475	data => WF_AUTOCANCEL,
		2476	cb => sub {
2044	reload;	2477	reload;
2045	$who->message ("end of reload.");	2478	undef $RELOAD_WATCHER;
		2479	},
		2480	);
2046	}	2481	}
2047	};	2482	};
2048		2483
2049	unshift @INC, $LIBDIR;	2484	unshift @INC, $LIBDIR;
		2485
		2486	my $bug_warning = 0;
2050		2487
2051	$TICK_WATCHER = Event->timer (	2488	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2489	reentrant => 0,
		2490	parked => 1,
2053	prio => 0,	2491	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2492	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2493	data => WF_AUTOCANCEL,
2056	cb => sub {	2494	cb => sub {
2057	unless ($FREEZE) {	2495	if ($Coro::current != $Coro::main) {
		2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2497	unless ++$bug_warning > 10;
		2498	return;
		2499	}
		2500
		2501	$NOW = Event::time;
		2502
2058	cf::server_tick; # one server iteration	2503	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2504	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2505	$NEXT_TICK += $TICK;
		2506
		2507	$WAIT_FOR_TICK->broadcast;
		2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2509
		2510	Event::sweep;
		2511	Coro::cede_notself;
		2512
		2513	# my $AFTER = Event::time;
		2514	# warn $AFTER - $NOW;#d#
2063		2515
2064	# if we are delayed by four ticks or more, skip them all	2516	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2518
2067	$TICK_WATCHER->at ($NEXT_TICK);	2519	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2520	$TICK_WATCHER->start;
2069	},	2521	},
2070	);	2522	);
2071		2523
2072	IO::AIO::max_poll_time $TICK * 0.2;	2524	IO::AIO::max_poll_time $TICK * 0.1;
2073		2525
2074	Event->io (	2526	undef $Coro::AIO::WATCHER;
		2527	$AIO_POLL_WATCHER = Event->io (
		2528	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2529	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2530	poll => 'r',
2077	prio => 5,	2531	prio => 6,
2078	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2533	cb => \&IO::AIO::poll_cb,
2080	);	2534	);
2081		2535
2082	Event->timer (	2536	$WRITE_RUNTIME_WATCHER = Event->timer (
		2537	reentrant => 0,
2083	data => WF_AUTOCANCEL,	2538	data => WF_AUTOCANCEL,
2084	after => 0,	2539	after => 1,
2085	interval => 10,	2540	interval => 10,
2086	cb => sub {	2541	prio => 6, # keep it lowest so it acts like a watchdog
2087	(Coro::unblock_sub {	2542	cb => Coro::unblock_sub {
2088	write_runtime	2543	write_runtime
2089	or warn "ERROR: unable to write runtime file: $!";	2544	or warn "ERROR: unable to write runtime file: $!";
2090	})->();
2091	},	2545	},
2092	);	2546	);
2093		2547
		2548	END { cf::emergency_save }
		2549
2094	1	2550	1
2095		2551

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