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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.125 by root, Tue Jan 2 23:06:39 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 $json
165		198
…		…
181	sub to_json($) {	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 {
…		…
1157		1276
1158	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1160	}	1279	}
1161		1280
		1281	sub unlink_save {
		1282	my ($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
1162	sub try_load_header($) {	1289	sub load_header_from($) {
1163	my ($path) = @_;	1290	my ($self, $path) = @_;
1164		1291
1165	utf8::encode $path;	1292	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1167	or return;	1294	or return;
1168		1295
1169	my $map = cf::map::new	1296	$self->_load_header ($path)
1170	or return;	1297	or return;
1171		1298
1172	$map->load_header ($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
1173	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1174		1345
1175	$map->{load_path} = $path;	1346	1
1176
1177	$map
1178	}	1347	}
1179		1348
		1349	sub find;
1180	sub find_map {	1350	sub find {
1181	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1182		1352
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1354
1188	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1189		1356
1190	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1192		1359	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1360	or return;
1208		1361
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
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);
1221		1363
1222	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;
1223	$map->reset;	1370	$map->reset;
1224	undef $guard;	1371	undef $guard;
1225	$map = cf::map::find_map ($path)	1372	return find $path;
1226	or return;
1227	}	1373	}
1228		1374
1229	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1230	}	1376	}
1231	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1232		1381
1233	sub load {	1382	sub load {
1234	my ($self) = @_;	1383	my ($self) = @_;
1235		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
1236	my $path = $self->{path};	1387	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1388	my $guard = cf::lock_acquire "map_load:$path";
1238		1389
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1391
1241	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1242		1393
1243	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1244	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1399	or return;
1246		1400
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1402	if delete $self->{load_original};
1249		1403
1250	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1405	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1407	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1255	}	1409	}
1256	}	1410	}
		1411
		1412	Coro::cede;
1257		1413
1258	# now do the right thing for maps	1414	# now do the right thing for maps
1259	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1260		1416
1261	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1418	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1268	$self->set_darkness_map;	1422	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1271	$self->activate;	1426	$self->activate;
1272	}	1427	}
1273		1428
		1429	$self->post_load;
		1430
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1432	}
1276		1433
1277	sub load_map_sync {	1434	sub customise_for {
		1435	my ($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	$neigh->load;
		1464	}
		1465	}
		1466
		1467	sub find_sync {
1278	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1279		1469
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1470	cf::sync_job { find $path, $origin }
		1471	}
1281		1472
1282	cf::sync_job {	1473	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1474	my ($map) = @_;
1284	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;
1285	$map->load;	1497	$map->load;
1286	$map	1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
1287	}	1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
1288	}	1507	}
1289		1508
1290	sub save {	1509	sub save {
1291	my ($self) = @_;	1510	my ($self) = @_;
1292		1511
		1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1513
1293	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1294		1515
1295	return unless $self->dirty;	1516	return unless $self->dirty;
1296		1517
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1520
1300	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1301		1522
1302	return if $self->{deny_save};	1523	return if $self->{deny_save};
1303		1524
		1525	local $self->{last_access} = $self->last_access;#d#
		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1304	if ($uniq) {	1531	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1534	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1536	}
1310	}	1537	}
1311		1538
1312	sub swap_out {	1539	sub swap_out {
1313	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;
1314		1546
1315	return if $self->players;	1547	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1549	return if $self->{deny_save};
1318		1550
1319	$self->save;
1320	$self->clear;	1551	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1552	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1553	}
1323		1554
1324	sub reset_at {	1555	sub reset_at {
1325	my ($self) = @_;	1556	my ($self) = @_;
1326		1557
1327	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1330		1561
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1564
…		…
1338	my ($self) = @_;	1569	my ($self) = @_;
1339		1570
1340	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1341	}	1572	}
1342		1573
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1574	sub reset {
1365	my ($self) = @_;	1575	my ($self) = @_;
1366		1576
		1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1578
1367	return if $self->players;	1579	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1369		1581
1370	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1371		1583
1372	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1373		1588
1374	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1375		1590
1376	$self->unlink_save;	1591	$self->unlink_save;
1377	$self->destroy;	1592	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1381		1596
1382	sub nuke {	1597	sub nuke {
1383	my ($self) = @_;	1598	my ($self) = @_;
1384		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1388	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1389	}	1613	}
1390		1614
1391	sub customise_for {	1615	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1616
1394	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1396	}
1397		1619
1398	$map	1620	=cut
1399	}
1400		1621
1401	sub emergency_save {	1622	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1403		1625
1404	warn "enter emergency map save\n";	1626	my @paths;
1405		1627
1406	cf::sync_job {	1628	for (@$files) {
1407	warn "begin emergency map save\n";	1629	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1409	};	1635	}
1410		1636
1411	warn "end emergency map save\n";	1637	\@paths
1412	}	1638	}
1413		1639
1414	package cf;	1640	package cf;
1415		1641
1416	=back	1642	=back
1417		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
1418		1670
1419	=head3 cf::object::player	1671	=head3 cf::object::player
1420		1672
1421	=over 4	1673	=over 4
1422		1674
…		…
1462		1714
1463	=item $player_object->enter_link	1715	=item $player_object->enter_link
1464		1716
1465	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}>).
1466		1718
1467	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
1468	I<MUST> call C<leave_link> as soon as possible, though.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1469		1721
		1722	Will never block.
		1723
1470	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1471		1725
1472	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1729	fails, to the emergency map position.
1476		1730
1477	Might block.	1731	Might block.
1478		1732
1479	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($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	$LINK_MAP
		1743	}
1480		1744
1481	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1746	my ($self) = @_;
1483		1747
1484	$self->deactivate_recursive;	1748	$self->deactivate_recursive;
1485		1749
1486	return if $self->map == $LINK_MAP;	1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1751
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1753	if $self->map;
1490		1754
1491	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	1756	}
1493		1757
1494	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1496		1760
1497	my $link_pos = delete $self->{_link_pos};	1761	my $link_pos = delete $self->{_link_pos};
1498		1762
1499	unless ($map) {	1763	unless ($map) {
1500	# restore original map position	1764	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1765	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1766	$map = cf::map::find $map;
1503		1767
1504	unless ($map) {	1768	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1769	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1770	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1771	or die "FATAL: cannot load emergency map\n";
1508	}	1772	}
1509	}	1773	}
1510		1774
1511	($x, $y) = (-1, -1)	1775	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1517		1781
1518	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1519		1784
		1785	return unless $self->contr->active;
1520	$self->activate_recursive;	1786	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1522	}	1788	}
1523		1789
1524	cf::player->attach (	1790	cf::player->attach (
…		…
1537		1803
1538	# try to abort aborted map switching on player login :)	1804	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1805	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1806	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1807	$pl->ob->enter_link;
1542	Coro::async {	1808	(async {
1543	# we need this sleep as the login has a concurrent enter_exit running	1809	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn	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);
1545	Coro::Timer::sleep 1;	1815	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1816	$pl->ob->leave_link;
1547	};	1817	})->prio (2);
1548	}	1818	}
1549	},	1819	},
1550	);	1820	);
1551		1821
1552	=item $player_object->goto_map ($path, $x, $y)	1822	=item $player_object->goto ($path, $x, $y)
1553		1823
1554	=cut	1824	=cut
1555		1825
1556	sub cf::object::player::goto_map {	1826	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1558		1828
1559	$self->enter_link;	1829	$self->enter_link;
1560		1830
1561	(Coro::async {	1831	(async {
1562	$path = new cf::path $path;	1832	my $map = eval {
1563
1564	my $map = cf::map::find_map $path->as_string;	1833	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1834	$map = $map->customise_for ($self) if $map;
1566		1835	$map
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1836	} or
1568	# if $map;
1569
1570	$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);
1571		1838
1572	$self->leave_link ($map, $x, $y);	1839	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1840	})->prio (1);
1574	}	1841	}
1575		1842
…		…
1579		1846
1580	sub parse_random_map_params {	1847	sub parse_random_map_params {
1581	my ($spec) = @_;	1848	my ($spec) = @_;
1582		1849
1583	my $rmp = { # defaults	1850	my $rmp = { # defaults
1584	xsize => 10,	1851	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1852	ysize => (cf::rndm 15, 40),
		1853	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1854	#layout => string,
1586	};	1855	};
1587		1856
1588	for (split /\n/, $spec) {	1857	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1858	my ($k, $v) = split /\s+/, $_, 2;
1590		1859
…		…
1594	$rmp	1863	$rmp
1595	}	1864	}
1596		1865
1597	sub prepare_random_map {	1866	sub prepare_random_map {
1598	my ($exit) = @_;	1867	my ($exit) = @_;
		1868
		1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1870
1600	# all this does is basically replace the /! path by	1871	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1872	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1873	# that depends on the exit object
1603		1874
1604	my $rmp = parse_random_map_params $exit->msg;	1875	my $rmp = parse_random_map_params $exit->msg;
1605		1876
1606	if ($exit->map) {	1877	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	1878	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	1879	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	1880	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	1881	$rmp->{origin_y} = $exit->y;
1611	}	1882	}
1612		1883
1613	$rmp->{random_seed} ||= $exit->random_seed;	1884	$rmp->{random_seed} ||= $exit->random_seed;
1614		1885
1615	my $data = cf::to_json $rmp;	1886	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1887	my $md5 = Digest::MD5::md5_hex $data;
		1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1889
1618	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) {
1619	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;
1620		1894
1621	$exit->slaying ("?random/$md5");	1895	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	1896	$exit->msg (undef);
1623	}	1897	}
1624	}	1898	}
…		…
1626	sub cf::object::player::enter_exit {	1900	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	1901	my ($self, $exit) = @_;
1628		1902
1629	return unless $self->type == cf::PLAYER;	1903	return unless $self->type == cf::PLAYER;
1630		1904
		1905	if ($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
1631	$self->enter_link;	1914	$self->enter_link;
1632		1915
1633	(Coro::async {	1916	(async {
		1917	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1918	unless (eval {
1635		1919	$self->goto ($slaying, $hp, $sp);
1636	prepare_random_map $exit
1637	if $exit->slaying eq "/!";
1638
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1641		1920
1642	1;	1921	1;
1643	}) {	1922	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1923	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	1925	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1926	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1927
1649	warn "ERROR in enter_exit: $@";	1928	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1929	$self->leave_link;
1651	}	1930	}
…		…
1702	on_reply => sub {	1981	on_reply => sub {
1703	my ($ns, $msg) = @_;	1982	my ($ns, $msg) = @_;
1704		1983
1705	# this weird shuffling is so that direct followup queries	1984	# this weird shuffling is so that direct followup queries
1706	# get handled first	1985	# get handled first
1707	my $queue = delete $ns->{query_queue};	1986	my $queue = delete $ns->{query_queue}
		1987	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		1988
1709	(shift @$queue)->[1]->($msg);	1989	(shift @$queue)->[1]->($msg);
1710		1990
1711	push @{ $ns->{query_queue} }, @$queue;	1991	push @{ $ns->{query_queue} }, @$queue;
1712		1992
…		…
1718	}	1998	}
1719	}	1999	}
1720	},	2000	},
1721	);	2001	);
1722		2002
1723	=item $client->coro (\&cb)	2003	=item $client->async (\&cb)
1724		2004
1725	Create a new coroutine, running the specified callback. The coroutine will	2005	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	2006	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	2007	or loss of connection).
1728		2008
1729	=cut	2009	=cut
1730		2010
1731	sub cf::client::coro {	2011	sub cf::client::async {
1732	my ($self, $cb) = @_;	2012	my ($self, $cb) = @_;
1733		2013
1734	my $coro; $coro = async {	2014	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		2015
1741	$coro->on_destroy (sub {	2016	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	2017	delete $self->{_coro}{$coro+0};
1743	});	2018	});
1744		2019
…		…
1938	sub db_sync() {	2213	sub db_sync() {
1939	db_save if $dirty;	2214	db_save if $dirty;
1940	undef $dirty;	2215	undef $dirty;
1941	}	2216	}
1942		2217
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2218	my $idle = Event->idle (
1944	db_sync;	2219	reentrant => 0,
		2220	min => 10,
		2221	max => 20,
		2222	repeat => 0,
		2223	data => WF_AUTOCANCEL,
		2224	cb => \&db_sync,
1945	});	2225	);
1946		2226
1947	sub db_dirty() {	2227	sub db_dirty() {
1948	$dirty = 1;	2228	$dirty = 1;
1949	$idle->start;	2229	$idle->start;
1950	}	2230	}
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2259	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2260	or return;
1981		2261
1982	local $/;	2262	local $/;
1983	*CFG = YAML::Syck::Load <$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	}
1984	}	2277	}
1985		2278
1986	sub main {	2279	sub main {
1987	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1989	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#
1990	(Coro::unblock_sub {	2283	(async {
1991	Event::one_event;	2284	Event::one_event;
1992	})->();	2285	})->prio (Coro::PRIO_MAX);
1993	};	2286	};
1994		2287
1995	cfg_load;	2288	cfg_load;
1996	db_load;	2289	db_load;
1997	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1998	Event::loop;	2293	Event::loop;
1999	}	2294	}
2000		2295
2001	#############################################################################	2296	#############################################################################
2002	# 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	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338	};
		2339
		2340	warn "leave emergency perl save\n";
		2341	}
2003		2342
2004	sub reload() {	2343	sub reload() {
2005	# can/must only be called in main	2344	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2345	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2346	warn "can only reload from main coroutine";
2008	return;	2347	return;
2009	}	2348	}
2010		2349
2011	warn "reloading...";	2350	warn "reloading...";
2012		2351
2013	local $FREEZE = 1;	2352	warn "cancelling server ticker";
		2353	$TICK_WATCHER->cancel;
		2354
2014	cf::emergency_save;	2355	cf::emergency_save;
2015		2356
2016	eval {	2357	eval {
2017	# 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
2018		2359
2019	# cancel all watchers	2360	warn "syncing database to disk";
		2361	cf::db_sync;
		2362
		2363	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2364	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2366	}
2023		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
2024	# cancel all extension coros	2376	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2377	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2378	%EXT_CORO = ();
2027		2379
2028	# unload all extensions	2380	warn "removing commands";
2029	for (@exts) {	2381	%COMMAND = ();
		2382
		2383	warn "removing ext commands";
		2384	%EXTCMD = ();
		2385
		2386	warn "unloading/nuking all extensions";
		2387	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2388	warn "... unloading $pkg";
2031	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: $@";
2032	}	2395	}
2033		2396
		2397	warn "... nuking $pkg";
		2398	Symbol::delete_package $pkg;
		2399	}
		2400
2034	# unload all modules loaded from $LIBDIR	2401	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2402	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2404
2038	warn "removing <$k>";	2405	warn "... unloading $k";
2039	delete $INC{$k};	2406	delete $INC{$k};
2040		2407
2041	$k =~ s/\.pm$//;	2408	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2409	$k =~ s/\//::/g;
2043		2410
…		…
2046	}	2413	}
2047		2414
2048	Symbol::delete_package $k;	2415	Symbol::delete_package $k;
2049	}	2416	}
2050		2417
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2418	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2419	Symbol::delete_package "safe::$_"
2057	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);
2058		2421
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2422	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2423	delete $INC{"cf.pm"};
2064		2424
2065	# don't, removes xs symbols, too,	2425	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2426	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2427	#Symbol::delete_package __PACKAGE__;
2068		2428
2069	# reload cf.pm	2429	warn "unload completed, starting to reload now";
		2430
2070	warn "reloading cf.pm";	2431	warn "reloading cf.pm";
2071	require cf;	2432	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2434
2074	# load config and database again	2435	warn "loading config and database again";
2075	cf::cfg_load;	2436	cf::cfg_load;
2076	cf::db_load;	2437	cf::db_load;
2077		2438
2078	# load extensions
2079	warn "load extensions";	2439	warn "loading extensions";
2080	cf::load_extensions;	2440	cf::load_extensions;
2081		2441
2082	# reattach attachments to objects	2442	warn "reattaching attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2443	_global_reattach;
		2444	warn "reattaching attachments to maps";
		2445	reattach $_ for values %MAP;
		2446
		2447	warn "restarting server ticker";
		2448
		2449	$TICK_WATCHER->start;
2085	};	2450	};
2086		2451
2087	if ($@) {	2452	if ($@) {
2088	warn $@;	2453	warn $@;
2089	warn "error while reloading, exiting.";	2454	warn "error while reloading, exiting.";
2090	exit 1;	2455	exit 1;
2091	}	2456	}
2092		2457
2093	warn "reloaded successfully";	2458	warn "reloaded";
2094	};	2459	};
2095		2460
2096	#############################################################################	2461	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} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2462
2141	register_command "reload" => sub {	2463	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2464	my ($who, $arg) = @_;
2143		2465
2144	if ($who->flag (FLAG_WIZ)) {	2466	if ($who->flag (FLAG_WIZ)) {
2145	$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 {
2146	reload;	2477	reload;
2147	$who->message ("end of reload.");	2478	undef $RELOAD_WATCHER;
		2479	},
		2480	);
2148	}	2481	}
2149	};	2482	};
2150		2483
2151	unshift @INC, $LIBDIR;	2484	unshift @INC, $LIBDIR;
		2485
		2486	my $bug_warning = 0;
2152		2487
2153	$TICK_WATCHER = Event->timer (	2488	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2489	reentrant => 0,
		2490	parked => 1,
2155	prio => 0,	2491	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2492	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2493	data => WF_AUTOCANCEL,
2158	cb => sub {	2494	cb => sub {
2159	unless ($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
2160	cf::server_tick; # one server iteration	2503	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2504	$RUNTIME += $TICK;
2162	}
2163
2164	$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#
2165		2515
2166	# 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
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2518
2169	$TICK_WATCHER->at ($NEXT_TICK);	2519	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	2520	$TICK_WATCHER->start;
2171	},	2521	},
2172	);	2522	);
2173		2523
2174	IO::AIO::max_poll_time $TICK * 0.2;	2524	IO::AIO::max_poll_time $TICK * 0.1;
2175		2525
2176	Event->io (	2526	undef $Coro::AIO::WATCHER;
		2527	$AIO_POLL_WATCHER = Event->io (
		2528	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	2529	fd => IO::AIO::poll_fileno,
2178	poll => 'r',	2530	poll => 'r',
2179	prio => 5,	2531	prio => 6,
2180	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,	2533	cb => \&IO::AIO::poll_cb,
2182	);	2534	);
2183		2535
2184	Event->timer (	2536	$WRITE_RUNTIME_WATCHER = Event->timer (
		2537	reentrant => 0,
2185	data => WF_AUTOCANCEL,	2538	data => WF_AUTOCANCEL,
2186	after => 0,	2539	after => 1,
2187	interval => 10,	2540	interval => 10,
2188	cb => sub {	2541	prio => 6, # keep it lowest so it acts like a watchdog
2189	(Coro::unblock_sub {	2542	cb => Coro::unblock_sub {
2190	write_runtime	2543	write_runtime
2191	or warn "ERROR: unable to write runtime file: $!";	2544	or warn "ERROR: unable to write runtime file: $!";
2192	})->();
2193	},	2545	},
2194	);	2546	);
2195		2547
2196	END { cf::emergency_save }	2548	END { cf::emergency_save }
2197		2549

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