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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 2007 UTC vs.
Revision 1.201 by root, Mon Jan 29 18:15:23 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		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
185		220
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	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	Wait until the given lock is available and then acquires it and returns	227	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,	228	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	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
249		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
334		352
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	354	or return;
337		355
		356	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	361	and return;
341		362
342	aio_fsync $fh	363	aio_fsync $fh
343	and return;	364	and return;
…		…
352	}	373	}
353		374
354	=back	375	=back
355		376
356	=cut	377	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		378
478	#############################################################################	379	#############################################################################
479		380
480	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
481		382
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	509	our @CB_MAP = ();
609		510
610	my %attachment;	511	my %attachment;
611		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
612	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
614		521
615	use sort 'stable';	522	use sort 'stable';
616		523
…		…
787	# object support	694	# object support
788		695
789	sub reattach {	696	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		701
793	my $registry = $obj->registry;	702	my $registry = $obj->registry;
794		703
795	@$registry = ();	704	@$registry = ();
796		705
…		…
867	}	776	}
868	} else {	777	} else {
869	aio_unlink $filename;	778	aio_unlink $filename;
870	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
871	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
872	}	787	}
873	}	788	}
874		789
875	sub object_freezer_as_string {	790	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
882		797
883	sub object_thawer_load {	798	sub object_thawer_load {
884	my ($filename) = @_;	799	my ($filename) = @_;
885		800
886	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
887		805
888	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
889	or return;	807	or return;
890		808
891	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
928	=cut	846	=cut
929		847
930	sub register_extcmd {	848	sub register_extcmd {
931	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
932		850
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
937	}	852	}
938		853
939	cf::player->attach (	854	cf::player->attach (
940	on_command => sub {	855	on_command => sub {
941	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
954		869
955	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
956		871
957	if (ref $msg) {	872	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	876	}
962	}	877	}
963	} else {	878	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		881
967	cf::override;	882	cf::override;
968	},	883	},
969	);	884	);
970		885
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	886	sub load_extension {
978	my ($path) = @_;	887	my ($path) = @_;
979		888
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	890	my $base = $1;
982	my $pkg = $1;	891	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
985		894
986	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
987		896
988	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
989	or die "$path: $!";	898	or die "$path: $!";
990		899
991	my $source =	900	my $source =
992	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
995	. "\n};\n1";	904	. "\n};\n1";
996		905
997	eval $source	906	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	908	: "extension disabled.\n";
1000		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	910	warn $@;
1002	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1003		912	exit 1;
1004	# no strict 'refs';	913	}
1005	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	915	}
1020		916
1021	# remove commands	917	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	918	}
1046		919
1047	sub load_extensions {	920	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	922	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1054	}	927	}
1055	}	928	}
1056		929
1057	#############################################################################	930	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		931
1095	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1096		933
1097	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1098		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1099	=head3 cf::player	942	=head3 cf::player
1100		943
1101	=over 4	944	=over 4
1102		945
1103	=item cf::player::exists $login	946	=item cf::player::find $login
1104		947
1105	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1106		949
1107	=cut	950	=cut
1108		951
1109	sub cf::player::exists($) {	952	sub playerdir($) {
1110	cf::player::find $_[0]	953	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1112	}	1100	}
1113		1101
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1103
1116	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1117		1105
1118	=cut	1106	=cut
1119		1107
1120	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1122		1110
1123	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1124		1112
1125	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1126	}	1114	}
		1115
		1116	package cf;
1127		1117
1128	=back	1118	=back
1129		1119
1130		1120
1131	=head3 cf::map	1121	=head3 cf::map
…		…
1137	package cf::map;	1127	package cf::map;
1138		1128
1139	use Fcntl;	1129	use Fcntl;
1140	use Coro::AIO;	1130	use Coro::AIO;
1141		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1142	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1144		1138
1145	sub generate_random_map {	1139	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1142	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1284	}
1163		1285
1164	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1165	# all maps in C++...	1287	# all maps in C++...
1166	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1168		1290
1169	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1171	}	1293	}
1172		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1173	sub try_load_header($) {	1308	sub load_header_from($) {
1174	my ($path) = @_;	1309	my ($self, $path) = @_;
1175		1310
1176	utf8::encode $path;	1311	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1178	or return;	1316	or return;
1179		1317
1180	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1181	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1182		1364
1183	$map->load_header ($path)	1365	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1366	}
1190		1367
1191	sub find_map;	1368	sub find;
1192	sub find_map {	1369	sub find {
1193	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1194		1371
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1373
1200	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1201		1375
1202	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1204		1378	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1379	or return;
1220		1380
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1382
1234	if ($map->should_reset) {	1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1389	$map->reset;
1236	undef $guard;	1390	undef $guard;
1237	$map = find_map $path	1391	return find $path;
1238	or return;
1239	}	1392	}
1240		1393
1241	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1242	}	1395	}
1243	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1244		1400
1245	sub load {	1401	sub load {
1246	my ($self) = @_;	1402	my ($self) = @_;
1247		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1248	my $path = $self->{path};	1406	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1250		1408
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1410
1253	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1254		1412
1255	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1256	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1418	or return;
1258		1419
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1421	if delete $self->{load_original};
1261		1422
1262	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1424	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1426	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1267	}	1428	}
1268	}	1429	}
		1430
		1431	Coro::cede;
1269		1432
1270	# now do the right thing for maps	1433	# now do the right thing for maps
1271	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1272		1435
1273	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1437	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1280	$self->set_darkness_map;	1441	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1283	$self->activate;	1445	$self->activate;
1284	}	1446	}
1285		1447
		1448	$self->post_load;
		1449
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1451	}
1288		1452
1289	sub load_map_sync {	1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1290	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1291		1488
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1293		1491
1294	cf::sync_job {	1492	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1296	or return;	1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
1297	$map->load;	1516	$map->load;
1298	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1299	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1300	}	1526	}
1301		1527
1302	sub save {	1528	sub save {
1303	my ($self) = @_;	1529	my ($self) = @_;
1304		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1305	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1306		1534
1307	return unless $self->dirty;	1535	return unless $self->dirty;
1308		1536
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1539
1312	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1313		1541
1314	return if $self->{deny_save};	1542	return if $self->{deny_save};
1315		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1316	if ($uniq) {	1550	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1553	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1555	}
1322	}	1556	}
1323		1557
1324	sub swap_out {	1558	sub swap_out {
1325	my ($self) = @_;	1559	my ($self) = @_;
		1560
		1561	# save first because save cedes
		1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1565
1327	return if $self->players;	1566	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1568	return if $self->{deny_save};
1330		1569
1331	$self->save;
1332	$self->clear;	1570	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1571	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1572	}
1335		1573
1336	sub reset_at {	1574	sub reset_at {
1337	my ($self) = @_;	1575	my ($self) = @_;
1338		1576
1339	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1342		1580
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1583
…		…
1350	my ($self) = @_;	1588	my ($self) = @_;
1351		1589
1352	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1353	}	1591	}
1354		1592
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1593	sub reset {
1377	my ($self) = @_;	1594	my ($self) = @_;
1378		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1379	return if $self->players;	1598	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1381		1600
1382	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1383		1602
1384	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1385		1607
1386	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1387		1609
1388	$self->unlink_save;	1610	$self->unlink_save;
1389	$self->destroy;	1611	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1393		1615
1394	sub nuke {	1616	sub nuke {
1395	my ($self) = @_;	1617	my ($self) = @_;
1396		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1400	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1401	}	1632	}
1402		1633
1403	sub customise_for {	1634	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1635
1406	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1408	}
1409		1638
1410	$map	1639	=cut
1411	}
1412		1640
1413	sub emergency_save {	1641	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1415		1644
1416	warn "enter emergency map save\n";	1645	my @paths;
1417		1646
1418	cf::sync_job {	1647	for (@$files) {
1419	warn "begin emergency map save\n";	1648	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1421	};	1653	}
1422		1654
1423	warn "end emergency map save\n";	1655	\@paths
1424	}	1656	}
1425		1657
1426	package cf;	1658	package cf;
1427		1659
1428	=back	1660	=back
1429		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1430		1688
1431	=head3 cf::object::player	1689	=head3 cf::object::player
1432		1690
1433	=over 4	1691	=over 4
1434		1692
…		…
1474		1732
1475	=item $player_object->enter_link	1733	=item $player_object->enter_link
1476		1734
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1736
1479	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1481		1739
		1740	Will never block.
		1741
1482	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1483		1743
1484	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1747	fails, to the emergency map position.
1488		1748
1489	Might block.	1749	Might block.
1490		1750
1491	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1492		1762
1493	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1764	my ($self) = @_;
1495		1765
1496	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1497		1767
1498	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1769
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1771	if $self->map;
1502		1772
1503	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1774	}
1505		1775
1506	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1508		1778
1509	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1510		1780
1511	unless ($map) {	1781	unless ($map) {
1512	# restore original map position	1782	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1515		1785
1516	unless ($map) {	1786	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1520	}	1790	}
1521	}	1791	}
1522		1792
1523	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1529		1799
1530	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1531		1802
		1803	return unless $self->contr->active;
1532	$self->activate_recursive;	1804	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1534	}	1806	}
1535		1807
1536	cf::player->attach (	1808	cf::player->attach (
…		…
1549		1821
1550	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1823	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1554	cf::async {	1826	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1827	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1559	};	1835	})->prio (2);
1560	}	1836	}
1561	},	1837	},
1562	);	1838	);
1563		1839
1564	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1565		1841
1566	=cut	1842	=cut
1567		1843
1568	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1570		1846
1571	$self->enter_link;	1847	$self->enter_link;
1572		1848
1573	(cf::async {	1849	(async {
1574	$path = new cf::path $path;	1850	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1578		1853	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1856
1584	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1858	})->prio (1);
1586	}	1859	}
1587		1860
…		…
1591		1864
1592	sub parse_random_map_params {	1865	sub parse_random_map_params {
1593	my ($spec) = @_;	1866	my ($spec) = @_;
1594		1867
1595	my $rmp = { # defaults	1868	my $rmp = { # defaults
1596	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1598	};	1873	};
1599		1874
1600	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1602		1877
…		…
1606	$rmp	1881	$rmp
1607	}	1882	}
1608		1883
1609	sub prepare_random_map {	1884	sub prepare_random_map {
1610	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1888
1612	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1891	# that depends on the exit object
1615		1892
1616	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1617		1894
1618	if ($exit->map) {	1895	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1623	}	1900	}
1624		1901
1625	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1626		1903
1627	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1907
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1632		1912
1633	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1914	$exit->msg (undef);
1635	}	1915	}
1636	}	1916	}
…		…
1638	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1640		1920
1641	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1642		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1643	$self->enter_link;	1932	$self->enter_link;
1644		1933
1645	(cf::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1936	unless (eval {
1647	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1938
1653	1;	1939	1;
1654	}) {	1940	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1945
1660	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1947	$self->leave_link;
1662	}	1948	}
…		…
1730	}	2016	}
1731	}	2017	}
1732	},	2018	},
1733	);	2019	);
1734		2020
1735	=item $client->coro (\&cb)	2021	=item $client->async (\&cb)
1736		2022
1737	Create a new coroutine, running the specified callback. The coroutine will	2023	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2024	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2025	or loss of connection).
1740		2026
1741	=cut	2027	=cut
1742		2028
1743	sub cf::client::coro {	2029	sub cf::client::async {
1744	my ($self, $cb) = @_;	2030	my ($self, $cb) = @_;
1745		2031
1746	my $coro = &cf::async ($cb);	2032	my $coro = &Coro::async ($cb);
1747		2033
1748	$coro->on_destroy (sub {	2034	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2035	delete $self->{_coro}{$coro+0};
1750	});	2036	});
1751		2037
…		…
1945	sub db_sync() {	2231	sub db_sync() {
1946	db_save if $dirty;	2232	db_save if $dirty;
1947	undef $dirty;	2233	undef $dirty;
1948	}	2234	}
1949		2235
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2236	my $idle = Event->idle (
1951	db_sync;	2237	reentrant => 0,
		2238	min => 10,
		2239	max => 20,
		2240	repeat => 0,
		2241	data => WF_AUTOCANCEL,
		2242	cb => \&db_sync,
1952	});	2243	);
1953		2244
1954	sub db_dirty() {	2245	sub db_dirty() {
1955	$dirty = 1;	2246	$dirty = 1;
1956	$idle->start;	2247	$idle->start;
1957	}	2248	}
…		…
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2278	or return;
1988		2279
1989	local $/;	2280	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
		2282
		2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
		2288	if (exists $CFG{mlockall}) {
		2289	eval {
		2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2291	and die "WARNING: m(un)lockall failed: $!\n";
		2292	};
		2293	warn $@ if $@;
		2294	}
1991	}	2295	}
1992		2296
1993	sub main {	2297	sub main {
1994	# we must not ever block the main coroutine	2298	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2299	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	2301	(async {
1998	Event::one_event;	2302	Event::one_event;
1999	})->();	2303	})->prio (Coro::PRIO_MAX);
2000	};	2304	};
2001		2305
2002	cfg_load;	2306	cfg_load;
2003	db_load;	2307	db_load;
2004	load_extensions;	2308	load_extensions;
		2309
		2310	$TICK_WATCHER->start;
2005	Event::loop;	2311	Event::loop;
2006	}	2312	}
2007		2313
2008	#############################################################################	2314	#############################################################################
2009	# initialisation	2315	# initialisation and cleanup
		2316
		2317	# install some emergency cleanup handlers
		2318	BEGIN {
		2319	for my $signal (qw(INT HUP TERM)) {
		2320	Event->signal (
		2321	reentrant => 0,
		2322	data => WF_AUTOCANCEL,
		2323	signal => $signal,
		2324	prio => 0,
		2325	cb => sub {
		2326	cf::cleanup "SIG$signal";
		2327	},
		2328	);
		2329	}
		2330	}
		2331
		2332	sub emergency_save() {
		2333	my $freeze_guard = cf::freeze_mainloop;
		2334
		2335	warn "enter emergency perl save\n";
		2336
		2337	cf::sync_job {
		2338	# use a peculiar iteration method to avoid tripping on perl
		2339	# refcount bugs in for. also avoids problems with players
		2340	# and maps saved/destroyed asynchronously.
		2341	warn "begin emergency player save\n";
		2342	for my $login (keys %cf::PLAYER) {
		2343	my $pl = $cf::PLAYER{$login} or next;
		2344	$pl->valid or next;
		2345	$pl->save;
		2346	}
		2347	warn "end emergency player save\n";
		2348
		2349	warn "begin emergency map save\n";
		2350	for my $path (keys %cf::MAP) {
		2351	my $map = $cf::MAP{$path} or next;
		2352	$map->valid or next;
		2353	$map->save;
		2354	}
		2355	warn "end emergency map save\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
2010		2360
2011	sub reload() {	2361	sub reload() {
2012	# can/must only be called in main	2362	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2363	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2364	warn "can only reload from main coroutine";
2015	return;	2365	return;
2016	}	2366	}
2017		2367
2018	warn "reloading...";	2368	warn "reloading...";
2019		2369
2020	local $FREEZE = 1;	2370	warn "cancelling server ticker";
		2371	$TICK_WATCHER->cancel;
		2372
2021	cf::emergency_save;	2373	cf::emergency_save;
2022		2374
2023	eval {	2375	eval {
2024	# if anything goes wrong in here, we should simply crash as we already saved	2376	# if anything goes wrong in here, we should simply crash as we already saved
2025		2377
2026	# cancel all watchers	2378	warn "syncing database to disk";
		2379	cf::db_sync;
		2380
		2381	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2382	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2384	}
2030		2385
		2386	warn "flushing outstanding aio requests";
		2387	for (;;) {
		2388	IO::AIO::flush;
		2389	Coro::cede;
		2390	last unless IO::AIO::nreqs;
		2391	warn "iterate...";
		2392	}
		2393
2031	# cancel all extension coros	2394	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2395	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2396	%EXT_CORO = ();
2034		2397
2035	# unload all extensions	2398	warn "removing commands";
2036	for (@exts) {	2399	%COMMAND = ();
		2400
		2401	warn "removing ext commands";
		2402	%EXTCMD = ();
		2403
		2404	warn "unloading/nuking all extensions";
		2405	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2406	warn "... unloading $pkg";
2038	unload_extension $_;	2407
		2408	if (my $cb = $pkg->can ("unload")) {
		2409	eval {
		2410	$cb->($pkg);
		2411	1
		2412	} or warn "$pkg unloaded, but with errors: $@";
2039	}	2413	}
2040		2414
		2415	warn "... nuking $pkg";
		2416	Symbol::delete_package $pkg;
		2417	}
		2418
2041	# unload all modules loaded from $LIBDIR	2419	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2420	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2422
2045	warn "removing <$k>";	2423	warn "... unloading $k";
2046	delete $INC{$k};	2424	delete $INC{$k};
2047		2425
2048	$k =~ s/\.pm$//;	2426	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2427	$k =~ s/\//::/g;
2050		2428
…		…
2053	}	2431	}
2054		2432
2055	Symbol::delete_package $k;	2433	Symbol::delete_package $k;
2056	}	2434	}
2057		2435
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2436	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2437	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		2439
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2440	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2441	delete $INC{"cf.pm"};
2071		2442
2072	# don't, removes xs symbols, too,	2443	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2444	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2445	#Symbol::delete_package __PACKAGE__;
2075		2446
2076	# reload cf.pm	2447	warn "unload completed, starting to reload now";
		2448
2077	warn "reloading cf.pm";	2449	warn "reloading cf.pm";
2078	require cf;	2450	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2452
2081	# load config and database again	2453	warn "loading config and database again";
2082	cf::cfg_load;	2454	cf::cfg_load;
2083	cf::db_load;	2455	cf::db_load;
2084		2456
2085	# load extensions
2086	warn "load extensions";	2457	warn "loading extensions";
2087	cf::load_extensions;	2458	cf::load_extensions;
2088		2459
2089	# reattach attachments to objects	2460	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_global_reattach;	2461	_global_reattach;
		2462	warn "reattaching attachments to maps";
		2463	reattach $_ for values %MAP;
		2464
		2465	warn "restarting server ticker";
		2466
		2467	$TICK_WATCHER->start;
2092	};	2468	};
2093		2469
2094	if ($@) {	2470	if ($@) {
2095	warn $@;	2471	warn $@;
2096	warn "error while reloading, exiting.";	2472	warn "error while reloading, exiting.";
2097	exit 1;	2473	exit 1;
2098	}	2474	}
2099		2475
2100	warn "reloaded successfully";	2476	warn "reloaded";
2101	};	2477	};
2102		2478
2103	#############################################################################	2479	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2480
2148	register_command "reload" => sub {	2481	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2482	my ($who, $arg) = @_;
2150		2483
2151	if ($who->flag (FLAG_WIZ)) {	2484	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");	2485	$who->message ("reloading server.");
		2486
		2487	# doing reload synchronously and two reloads happen back-to-back,
		2488	# coro crashes during coro_state_free->destroy here.
		2489
		2490	$RELOAD_WATCHER ||= Event->timer (
		2491	reentrant => 0,
		2492	after => 0,
		2493	data => WF_AUTOCANCEL,
		2494	cb => sub {
2153	reload;	2495	reload;
2154	$who->message ("end of reload.");	2496	undef $RELOAD_WATCHER;
		2497	},
		2498	);
2155	}	2499	}
2156	};	2500	};
2157		2501
2158	unshift @INC, $LIBDIR;	2502	unshift @INC, $LIBDIR;
		2503
		2504	my $bug_warning = 0;
2159		2505
2160	$TICK_WATCHER = Event->timer (	2506	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2507	reentrant => 0,
		2508	parked => 1,
2162	prio => 0,	2509	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2510	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2511	data => WF_AUTOCANCEL,
2165	cb => sub {	2512	cb => sub {
2166	unless ($FREEZE) {	2513	if ($Coro::current != $Coro::main) {
		2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2515	unless ++$bug_warning > 10;
		2516	return;
		2517	}
		2518
		2519	$NOW = Event::time;
		2520
2167	cf::server_tick; # one server iteration	2521	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2522	$RUNTIME += $TICK;
2169	}
2170
2171	$NEXT_TICK += $TICK;	2523	$NEXT_TICK += $TICK;
		2524
		2525	$WAIT_FOR_TICK->broadcast;
		2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2527
		2528	Event::sweep;
		2529	Coro::cede_notself;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2172		2533
2173	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2536
2176	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2178	},	2539	},
2179	);	2540	);
2180		2541
2181	IO::AIO::max_poll_time $TICK * 0.2;	2542	IO::AIO::max_poll_time $TICK * 0.1;
2182		2543
2183	Event->io (	2544	undef $Coro::AIO::WATCHER;
		2545	$AIO_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2547	fd => IO::AIO::poll_fileno,
2185	poll => 'r',	2548	poll => 'r',
2186	prio => 5,	2549	prio => 6,
2187	data => WF_AUTOCANCEL,	2550	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,	2551	cb => \&IO::AIO::poll_cb,
2189	);	2552	);
2190		2553
2191	Event->timer (	2554	$WRITE_RUNTIME_WATCHER = Event->timer (
		2555	reentrant => 0,
2192	data => WF_AUTOCANCEL,	2556	data => WF_AUTOCANCEL,
2193	after => 0,	2557	after => 1,
2194	interval => 10,	2558	interval => 10,
2195	cb => sub {	2559	prio => 6, # keep it lowest so it acts like a watchdog
2196	(Coro::unblock_sub {	2560	cb => Coro::unblock_sub {
2197	write_runtime	2561	write_runtime
2198	or warn "ERROR: unable to write runtime file: $!";	2562	or warn "ERROR: unable to write runtime file: $!";
2199	})->();
2200	},	2563	},
2201	);	2564	);
2202		2565
2203	END { cf::emergency_save }	2566	END { cf::emergency_save }
2204		2567

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