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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.192 by root, Wed Jan 24 01:43:01 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 3.4 ();
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 $json
165		198
…		…
181	sub to_json($) {	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	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	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
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
323		350
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	352	or return;
326		353
		354	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	359	and return;
330		360
331	aio_fsync $fh	361	aio_fsync $fh
332	and return;	362	and return;
…		…
341	}	371	}
342		372
343	=back	373	=back
344		374
345	=cut	375	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		376
467	#############################################################################	377	#############################################################################
468		378
469	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
470		380
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	507	our @CB_MAP = ();
598		508
599	my %attachment;	509	my %attachment;
600		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
601	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
603		519
604	use sort 'stable';	520	use sort 'stable';
605		521
…		…
776	# object support	692	# object support
777		693
778	sub reattach {	694	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		699
782	my $registry = $obj->registry;	700	my $registry = $obj->registry;
783		701
784	@$registry = ();	702	@$registry = ();
785		703
…		…
917	=cut	835	=cut
918		836
919	sub register_extcmd {	837	sub register_extcmd {
920	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
921		839
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
926	}	841	}
927		842
928	cf::player->attach (	843	cf::player->attach (
929	on_command => sub {	844	on_command => sub {
930	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
943		858
944	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
945		860
946	if (ref $msg) {	861	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	865	}
951	}	866	}
952	} else {	867	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		870
956	cf::override;	871	cf::override;
957	},	872	},
958	);	873	);
959		874
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	875	sub load_extension {
967	my ($path) = @_;	876	my ($path) = @_;
968		877
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	879	my $base = $1;
971	my $pkg = $1;	880	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
974		883
975	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
976		885
977	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
978	or die "$path: $!";	887	or die "$path: $!";
979		888
980	my $source =	889	my $source =
981	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
984	. "\n};\n1";	893	. "\n};\n1";
985		894
986	eval $source	895	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	897	: "extension disabled.\n";
989		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	899	warn $@;
991	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
992		901	exit 1;
993	# no strict 'refs';	902	}
994	# @{"$pkg\::ISA"} = ext::;	903	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	904	}
1009		905
1010	# remove commands	906	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	907	}
1035		908
1036	sub load_extensions {	909	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	911	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1043	}	916	}
1044	}	917	}
1045		918
1046	#############################################################################	919	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		920
1084	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1085		922
1086	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1087		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1088	=head3 cf::player	931	=head3 cf::player
1089		932
1090	=over 4	933	=over 4
1091		934
1092	=item cf::player::exists $login	935	=item cf::player::find $login
1093		936
1094	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1095		938
1096	=cut	939	=cut
1097		940
1098	sub cf::player::exists($) {	941	sub playerdir($) {
1099	cf::player::find $_[0]	942	cf::localdir
1100	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
1101	}	1088	}
1102		1089
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1091
1105	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1106		1093
1107	=cut	1094	=cut
1108		1095
1109	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1111		1098
1112	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1113		1100
1114	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1115	}	1102	}
		1103
		1104	package cf;
1116		1105
1117	=back	1106	=back
1118		1107
1119		1108
1120	=head3 cf::map	1109	=head3 cf::map
…		…
1126	package cf::map;	1115	package cf::map;
1127		1116
1128	use Fcntl;	1117	use Fcntl;
1129	use Coro::AIO;	1118	use Coro::AIO;
1130		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1131	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1133		1126
1134	sub generate_random_map {	1127	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1130	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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, $path
1151	}	1270	}
1152		1271
1153	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1154	# all maps in C++...	1273	# all maps in C++...
1155	sub change_all_map_light {	1274	sub change_all_map_light {
1156	my ($change) = @_;	1275	my ($change) = @_;
1157		1276
1158	$_->change_map_light ($change) for values %cf::MAP;	1277	$_->change_map_light ($change)
		1278	for grep $_->outdoor, values %cf::MAP;
1159	}	1279	}
1160		1280
		1281	sub unlink_save {
		1282	my ($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
1161	sub try_load_header($) {	1289	sub load_header_from($) {
1162	my ($path) = @_;	1290	my ($self, $path) = @_;
1163		1291
1164	utf8::encode $path;	1292	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1166	or return;	1294	or return;
1167		1295
1168	my $map = cf::map::new	1296	$self->_load_header ($path)
1169	or return;	1297	or return;
1170		1298
1171	$map->load_header ($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
1172	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1173		1345
1174	$map->{load_path} = $path;	1346	1
1175
1176	$map
1177	}	1347	}
1178		1348
		1349	sub find;
1179	sub find_map {	1350	sub find {
1180	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1181		1352
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1354
1187	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1188		1356
1189	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1191		1359	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1360	or return;
1207		1361
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1363
		1364	$map->load_header
		1365	or return;
1221		1366
1222	if ($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;
1223	$map->reset;	1370	$map->reset;
1224	$map = find_map $path;	1371	undef $guard;
		1372	return find $path;
1225	}	1373	}
1226		1374
1227	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1228	}	1376	}
1229	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1230		1381
1231	sub load {	1382	sub load {
1232	my ($self) = @_;	1383	my ($self) = @_;
1233		1384
1234	my $path = $self->{path};	1385	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1236		1387
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1389
1239	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1240		1391
1241	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1242	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1397	or return;
1244		1398
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1400	if delete $self->{load_original};
1247		1401
1248	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1403	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1405	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1253	}	1407	}
1254	}	1408	}
		1409
		1410	Coro::cede;
1255		1411
1256	# now do the right thing for maps	1412	# now do the right thing for maps
1257	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1258		1414
1259	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1416	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1266	$self->set_darkness_map;	1420	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1269	$self->activate;	1424	$self->activate;
1270	}	1425	}
1271		1426
		1427	$self->post_load;
		1428
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1430	}
1274		1431
1275	sub load_map_sync {	1432	sub customise_for {
		1433	my ($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	$neigh->load;
		1462	}
		1463	}
		1464
		1465	sub find_sync {
1276	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1277		1467
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1468	cf::sync_job { find $path, $origin }
		1469	}
1279		1470
1280	cf::sync_job {	1471	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1472	my ($map) = @_;
1282	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;
1283	$map->load;	1495	$map->load;
1284	$map	1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
1285	}	1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
1286	}	1505	}
1287		1506
1288	sub save {	1507	sub save {
1289	my ($self) = @_;	1508	my ($self) = @_;
1290		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
1291	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1292		1513
1293	return unless $self->dirty;	1514	return unless $self->dirty;
1294		1515
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1518
1298	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1299		1520
1300	return if $self->{deny_save};	1521	return if $self->{deny_save};
1301		1522
		1523	local $self->{last_access} = $self->last_access;#d#
		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1302	if ($uniq) {	1529	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1532	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1534	}
1308	}	1535	}
1309		1536
1310	sub swap_out {	1537	sub swap_out {
1311	my ($self) = @_;	1538	my ($self) = @_;
		1539
		1540	# save first because save cedes
		1541	$self->save;
		1542
		1543	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1544
1313	return if $self->players;	1545	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1547	return if $self->{deny_save};
1316		1548
1317	$self->save;
1318	$self->clear;	1549	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1550	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1551	}
1321		1552
1322	sub reset_at {	1553	sub reset_at {
1323	my ($self) = @_;	1554	my ($self) = @_;
1324		1555
1325	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1328		1559
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1562
…		…
1336	my ($self) = @_;	1567	my ($self) = @_;
1337		1568
1338	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1339	}	1570	}
1340		1571
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1572	sub reset {
1363	my ($self) = @_;	1573	my ($self) = @_;
1364		1574
		1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1576
1365	return if $self->players;	1577	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1367		1579
1368	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1369		1581
1370	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1371		1586
1372	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1373		1588
1374	$self->unlink_save;	1589	$self->unlink_save;
1375	$self->destroy;	1590	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1379		1594
1380	sub nuke {	1595	sub nuke {
1381	my ($self) = @_;	1596	my ($self) = @_;
1382		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1386	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1387	}	1611	}
1388		1612
1389	sub customise_for {	1613	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1614
1392	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1394	}
1395		1617
1396	$map	1618	=cut
1397	}
1398		1619
1399	sub emergency_save {	1620	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1401		1623
1402	warn "enter emergency map save\n";	1624	my @paths;
1403		1625
1404	cf::sync_job {	1626	for (@$files) {
1405	warn "begin emergency map save\n";	1627	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1407	};	1633	}
1408		1634
1409	warn "end emergency map save\n";	1635	\@paths
1410	}	1636	}
1411		1637
1412	package cf;	1638	package cf;
1413		1639
1414	=back	1640	=back
1415		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
1416		1668
1417	=head3 cf::object::player	1669	=head3 cf::object::player
1418		1670
1419	=over 4	1671	=over 4
1420		1672
…		…
1460		1712
1461	=item $player_object->enter_link	1713	=item $player_object->enter_link
1462		1714
1463	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}>).
1464		1716
1465	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
1466	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1467		1719
		1720	Will never block.
		1721
1468	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1469		1723
1470	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1727	fails, to the emergency map position.
1474		1728
1475	Might block.	1729	Might block.
1476		1730
1477	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($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	$LINK_MAP
		1741	}
1478		1742
1479	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1744	my ($self) = @_;
1481		1745
1482	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1483		1747
1484	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1749
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1751	if $self->map;
1488		1752
1489	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1490	}	1754	}
1491		1755
1492	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1494		1758
1495	my $link_pos = delete $self->{_link_pos};	1759	my $link_pos = delete $self->{_link_pos};
1496		1760
1497	unless ($map) {	1761	unless ($map) {
1498	# restore original map position	1762	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1763	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1764	$map = cf::map::find $map;
1501		1765
1502	unless ($map) {	1766	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1767	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1768	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1769	or die "FATAL: cannot load emergency map\n";
1506	}	1770	}
1507	}	1771	}
1508		1772
1509	($x, $y) = (-1, -1)	1773	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1515		1779
1516	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1517		1782
		1783	return unless $self->contr->active;
1518	$self->activate_recursive;	1784	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1520	}	1786	}
1521		1787
1522	cf::player->attach (	1788	cf::player->attach (
…		…
1535		1801
1536	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1803	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1540	Coro::async {	1806	(async {
1541	# 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
1542	# 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);
1543	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1545	};	1815	})->prio (2);
1546	}	1816	}
1547	},	1817	},
1548	);	1818	);
1549		1819
1550	=item $player_object->goto_map ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
1551		1821
1552	=cut	1822	=cut
1553		1823
1554	sub cf::object::player::goto_map {	1824	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1556		1826
1557	$self->enter_link;	1827	$self->enter_link;
1558		1828
1559	(Coro::async {	1829	(async {
1560	$path = new cf::path $path;
1561
1562	my $map = cf::map::find_map $path->as_string;	1830	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1564		1832
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1566	# if $map;	1834	# if $map;
1567		1835
1568	$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);
1569		1837
1570	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1839	})->prio (1);
1572	}	1840	}
1573		1841
…		…
1577		1845
1578	sub parse_random_map_params {	1846	sub parse_random_map_params {
1579	my ($spec) = @_;	1847	my ($spec) = @_;
1580		1848
1581	my $rmp = { # defaults	1849	my $rmp = { # defaults
1582	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1584	};	1854	};
1585		1855
1586	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1588		1858
…		…
1592	$rmp	1862	$rmp
1593	}	1863	}
1594		1864
1595	sub prepare_random_map {	1865	sub prepare_random_map {
1596	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1869
1598	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1872	# that depends on the exit object
1601		1873
…		…
1610		1882
1611	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1612		1884
1613	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1888
1616	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) {
1617	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;
1618		1893
1619	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1895	$exit->msg (undef);
1621	}	1896	}
1622	}	1897	}
…		…
1626		1901
1627	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1628		1903
1629	$self->enter_link;	1904	$self->enter_link;
1630		1905
1631	(Coro::async {	1906	(async {
		1907	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1908	unless (eval {
1633
1634	prepare_random_map $exit	1909	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1636		1911
1637	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;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639		1914
1640	1;	1915	1;
1641	}) {	1916	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "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. "
1644	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1646		1921
1647	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1923	$self->leave_link;
1649	}	1924	}
…		…
1700	on_reply => sub {	1975	on_reply => sub {
1701	my ($ns, $msg) = @_;	1976	my ($ns, $msg) = @_;
1702		1977
1703	# this weird shuffling is so that direct followup queries	1978	# this weird shuffling is so that direct followup queries
1704	# get handled first	1979	# get handled first
1705	my $queue = delete $ns->{query_queue};	1980	my $queue = delete $ns->{query_queue}
		1981	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		1982
1707	(shift @$queue)->[1]->($msg);	1983	(shift @$queue)->[1]->($msg);
1708		1984
1709	push @{ $ns->{query_queue} }, @$queue;	1985	push @{ $ns->{query_queue} }, @$queue;
1710		1986
…		…
1716	}	1992	}
1717	}	1993	}
1718	},	1994	},
1719	);	1995	);
1720		1996
1721	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1722		1998
1723	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2001	or loss of connection).
1726		2002
1727	=cut	2003	=cut
1728		2004
1729	sub cf::client::coro {	2005	sub cf::client::async {
1730	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1731		2007
1732	my $coro; $coro = async {	2008	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2009
1739	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1741	});	2012	});
1742		2013
…		…
1914		2185
1915	{	2186	{
1916	my $path = cf::localdir . "/database.pst";	2187	my $path = cf::localdir . "/database.pst";
1917		2188
1918	sub db_load() {	2189	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };	2190	$DB = stat $path ? Storable::retrieve $path : { };
1921	}	2191	}
1922		2192
1923	my $pid;	2193	my $pid;
1924		2194
1925	sub db_save() {	2195	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;	2196	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {	2197	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;	2198	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";	2199	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;	2200	rename "$path~", $path;
…		…
1938	sub db_sync() {	2207	sub db_sync() {
1939	db_save if $dirty;	2208	db_save if $dirty;
1940	undef $dirty;	2209	undef $dirty;
1941	}	2210	}
1942		2211
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1944	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1945	});	2219	);
1946		2220
1947	sub db_dirty() {	2221	sub db_dirty() {
1948	$dirty = 1;	2222	$dirty = 1;
1949	$idle->start;	2223	$idle->start;
1950	}	2224	}
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2254	or return;
1981		2255
1982	local $/;	2256	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
		2258
		2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2264	if (exists $CFG{mlockall}) {
		2265	eval {
		2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2267	and die "WARNING: m(un)lockall failed: $!\n";
		2268	};
		2269	warn $@ if $@;
		2270	}
1984	}	2271	}
1985		2272
1986	sub main {	2273	sub main {
1987	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
1989	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#
1990	(Coro::unblock_sub {	2277	(async {
1991	Event::one_event;	2278	Event::one_event;
1992	})->();	2279	})->prio (Coro::PRIO_MAX);
1993	};	2280	};
1994		2281
1995	cfg_load;	2282	cfg_load;
1996	db_load;	2283	db_load;
1997	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
1998	Event::loop;	2287	Event::loop;
1999	}	2288	}
2000		2289
2001	#############################################################################	2290	#############################################################################
2002	# 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	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2003		2336
2004	sub reload() {	2337	sub reload() {
2005	# can/must only be called in main	2338	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2008	return;	2341	return;
2009	}	2342	}
2010		2343
2011	warn "reloading...";	2344	warn "reloading...";
2012		2345
2013	local $FREEZE = 1;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2014	cf::emergency_save;	2349	cf::emergency_save;
2015		2350
2016	eval {	2351	eval {
2017	# 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
2018		2353
2019	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2360	}
2023		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
2024	# cancel all extension coros	2370	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2372	%EXT_CORO = ();
2027		2373
2028	# unload all extensions	2374	warn "removing commands";
2029	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2031	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: $@";
2032	}	2389	}
2033		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2034	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2398
2038	warn "removing <$k>";	2399	warn "... unloading $k";
2039	delete $INC{$k};	2400	delete $INC{$k};
2040		2401
2041	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2043		2404
…		…
2046	}	2407	}
2047		2408
2048	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2049	}	2410	}
2050		2411
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2057	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);
2058		2415
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2064		2418
2065	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2420	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2068		2422
2069	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2070	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2071	require cf;	2426	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2428
2074	# load config and database again	2429	warn "loading config and database again";
2075	cf::cfg_load;	2430	cf::cfg_load;
2076	cf::db_load;	2431	cf::db_load;
2077		2432
2078	# load extensions
2079	warn "load extensions";	2433	warn "loading extensions";
2080	cf::load_extensions;	2434	cf::load_extensions;
2081		2435
2082	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2085	};	2444	};
2086		2445
2087	if ($@) {	2446	if ($@) {
2088	warn $@;	2447	warn $@;
2089	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2090	exit 1;	2449	exit 1;
2091	}	2450	}
2092		2451
2093	warn "reloaded successfully";	2452	warn "reloaded";
2094	};	2453	};
2095		2454
2096	#############################################################################	2455	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2456
2141	register_command "reload" => sub {	2457	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2143		2459
2144	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2145	$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 {
2146	reload;	2471	reload;
2147	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2148	}	2475	}
2149	};	2476	};
2150		2477
2151	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2152		2481
2153	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2155	prio => 0,	2485	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2158	cb => sub {	2488	cb => sub {
2159	unless ($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
2160	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2162	}
2163
2164	$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#
2165		2509
2166	# 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
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2512
2169	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2171	},	2515	},
2172	);	2516	);
2173		2517
2174	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2175		2519
2176	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2178	poll => 'r',	2524	poll => 'r',
2179	prio => 5,	2525	prio => 6,
2180	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2182	);	2528	);
2183		2529
2184	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2185	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2186	after => 0,	2533	after => 1,
2187	interval => 10,	2534	interval => 10,
2188	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2189	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2190	write_runtime	2537	write_runtime
2191	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2192	})->();
2193	},	2539	},
2194	);	2540	);
2195		2541
		2542	END { cf::emergency_save }
		2543
2196	1	2544	1
2197		2545

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