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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.202 by root, Mon Jan 29 20:16:28 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=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	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
179	sub to_json($) {	216	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
182	}	219	}
183		220
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
348	aio_fsync $fh	363	aio_fsync $fh
349	and return;	364	and return;
…		…
358	}	373	}
359		374
360	=back	375	=back
361		376
362	=cut	377	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		378
484	#############################################################################	379	#############################################################################
485		380
486	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
487		382
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	509	our @CB_MAP = ();
615		510
616	my %attachment;	511	my %attachment;
617		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
618	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
620		521
621	use sort 'stable';	522	use sort 'stable';
622		523
…		…
793	# object support	694	# object support
794		695
795	sub reattach {	696	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		701
799	my $registry = $obj->registry;	702	my $registry = $obj->registry;
800		703
801	@$registry = ();	704	@$registry = ();
802		705
…		…
873	}	776	}
874	} else {	777	} else {
875	aio_unlink $filename;	778	aio_unlink $filename;
876	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
877	}	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	}
878	}	787	}
879	}	788	}
880		789
881	sub object_freezer_as_string {	790	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
888		797
889	sub object_thawer_load {	798	sub object_thawer_load {
890	my ($filename) = @_;	799	my ($filename) = @_;
891		800
892	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$//;
893		805
894	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
895	or return;	807	or return;
896		808
897	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
934	=cut	846	=cut
935		847
936	sub register_extcmd {	848	sub register_extcmd {
937	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
938		850
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
943	}	852	}
944		853
945	cf::player->attach (	854	cf::player->attach (
946	on_command => sub {	855	on_command => sub {
947	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
960		869
961	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
962		871
963	if (ref $msg) {	872	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	876	}
968	}	877	}
969	} else {	878	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		881
973	cf::override;	882	cf::override;
974	},	883	},
975	);	884	);
976		885
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	886	sub load_extension {
984	my ($path) = @_;	887	my ($path) = @_;
985		888
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	890	my $base = $1;
988	my $pkg = $1;	891	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
991		894
992	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
993		896
994	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
995	or die "$path: $!";	898	or die "$path: $!";
996		899
997	my $source =	900	my $source =
998	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1001	. "\n};\n1";	904	. "\n};\n1";
1002		905
1003	eval $source	906	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	908	: "extension disabled.\n";
1006		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	910	warn $@;
1008	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1009		912	exit 1;
1010	# no strict 'refs';	913	}
1011	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	915	}
1026		916
1027	# remove commands	917	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	918	}
1052		919
1053	sub load_extensions {	920	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	922	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1060	}	927	}
1061	}	928	}
1062		929
1063	#############################################################################	930	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		931
1101	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1102		933
1103	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1104		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1105	=head3 cf::player	942	=head3 cf::player
1106		943
1107	=over 4	944	=over 4
1108		945
1109	=item cf::player::exists $login	946	=item cf::player::find $login
1110		947
1111	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1112		949
1113	=cut	950	=cut
1114		951
1115	sub cf::player::exists($) {	952	sub playerdir($) {
1116	cf::player::find $_[0]	953	cf::localdir
1117	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
1118	}	1100	}
1119		1101
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1103
1122	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1123		1105
1124	=cut	1106	=cut
1125		1107
1126	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1128		1110
1129	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1130		1112
1131	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1132	}	1114	}
		1115
		1116	package cf;
1133		1117
1134	=back	1118	=back
1135		1119
1136		1120
1137	=head3 cf::map	1121	=head3 cf::map
…		…
1143	package cf::map;	1127	package cf::map;
1144		1128
1145	use Fcntl;	1129	use Fcntl;
1146	use Coro::AIO;	1130	use Coro::AIO;
1147		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1148	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1150		1138
1151	sub generate_random_map {	1139	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1142	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1284	}
1169		1285
1170	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1171	# all maps in C++...	1287	# all maps in C++...
1172	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1174		1290
1175	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1177	}	1293	}
1178		1294
		1295	sub unlink_save {
		1296	my ($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
1179	sub try_load_header($) {	1308	sub load_header_from($) {
1180	my ($path) = @_;	1309	my ($self, $path) = @_;
1181		1310
1182	utf8::encode $path;	1311	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1184	or return;	1316	or return;
1185		1317
1186	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
1187	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1188		1364
1189	$map->load_header ($path)	1365	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1366	}
1196		1367
1197	sub find;	1368	sub find;
1198	sub find {	1369	sub find {
1199	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1200		1371
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1373
1206	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1207		1375
1208	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1210		1378	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1379	or return;
1228		1380
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1241		1382
1242	if ($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;
1243	$map->reset;	1389	$map->reset;
1244	undef $guard;	1390	undef $guard;
1245	$map = find $path	1391	return find $path;
1246	or return;
1247	}	1392	}
1248		1393
1249	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1250	}	1395	}
1251	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1252		1400
1253	sub load {	1401	sub load {
1254	my ($self) = @_;	1402	my ($self) = @_;
1255		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1256	my $path = $self->{path};	1406	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1258		1408
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1410
1261	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1262		1412
1263	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1264	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1418	or return;
1266		1419
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1421	if delete $self->{load_original};
1269		1422
1270	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1424	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1426	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1275	}	1428	}
1276	}	1429	}
		1430
		1431	Coro::cede;
1277		1432
1278	# now do the right thing for maps	1433	# now do the right thing for maps
1279	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1280		1435
1281	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1437	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1288	$self->set_darkness_map;	1441	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1291	$self->activate;	1445	$self->activate;
1292	}	1446	}
1293		1447
		1448	$self->post_load;
		1449
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($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	$neigh->load;
		1483	}
1295	}	1484	}
1296		1485
1297	sub find_sync {	1486	sub find_sync {
1298	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1299		1488
1300	cf::sync_job { cf::map::find $path, $origin }	1489	cf::sync_job { find $path, $origin }
1301	}	1490	}
1302		1491
1303	sub do_load_sync {	1492	sub do_load_sync {
1304	my ($map) = @_;	1493	my ($map) = @_;
1305		1494
1306	cf::sync_job { $map->load };	1495	cf::sync_job { $map->load };
1307	}	1496	}
1308		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;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
1309	sub save {	1528	sub save {
1310	my ($self) = @_;	1529	my ($self) = @_;
1311		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1312	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1313		1534
1314	return unless $self->dirty;	1535	return unless $self->dirty;
1315		1536
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1539
1319	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1320		1541
1321	return if $self->{deny_save};	1542	return if $self->{deny_save};
1322		1543
1323	local $self->{last_access} = $self->last_access;#d#	1544	local $self->{last_access} = $self->last_access;#d#
1324		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1325	if ($uniq) {	1550	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1553	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1555	}
1331	}	1556	}
1332		1557
1333	sub swap_out {	1558	sub swap_out {
1334	my ($self) = @_;	1559	my ($self) = @_;
1335		1560
1336	# save first because save cedes	1561	# save first because save cedes
1337	$self->save;	1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1565
1339	return if $self->players;	1566	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1568	return if $self->{deny_save};
1342		1569
…		…
1346		1573
1347	sub reset_at {	1574	sub reset_at {
1348	my ($self) = @_;	1575	my ($self) = @_;
1349		1576
1350	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1353		1580
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1583
…		…
1361	my ($self) = @_;	1588	my ($self) = @_;
1362		1589
1363	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1364	}	1591	}
1365		1592
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1593	sub reset {
1388	my ($self) = @_;	1594	my ($self) = @_;
1389		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1390	return if $self->players;	1598	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1392		1600
1393	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1394		1602
1395	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1396		1607
1397	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1398		1609
1399	$self->unlink_save;	1610	$self->unlink_save;
1400	$self->destroy;	1611	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1404		1615
1405	sub nuke {	1616	sub nuke {
1406	my ($self) = @_;	1617	my ($self) = @_;
1407		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1411	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1412	}	1632	}
1413		1633
1414	sub customise_for {	1634	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1635
1417	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1419	}
1420		1638
1421	$map	1639	=cut
1422	}
1423		1640
1424	sub emergency_save {	1641	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1426		1644
1427	warn "enter emergency map save\n";	1645	my @paths;
1428		1646
1429	cf::sync_job {	1647	for (@$files) {
1430	warn "begin emergency map save\n";	1648	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1432	};	1653	}
1433		1654
1434	warn "end emergency map save\n";	1655	\@paths
1435	}	1656	}
1436		1657
1437	package cf;	1658	package cf;
1438		1659
1439	=back	1660	=back
1440		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
1441		1688
1442	=head3 cf::object::player	1689	=head3 cf::object::player
1443		1690
1444	=over 4	1691	=over 4
1445		1692
…		…
1485		1732
1486	=item $player_object->enter_link	1733	=item $player_object->enter_link
1487		1734
1488	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}>).
1489		1736
1490	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
1491	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1492		1739
		1740	Will never block.
		1741
1493	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1494		1743
1495	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1747	fails, to the emergency map position.
1499		1748
1500	Might block.	1749	Might block.
1501		1750
1502	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($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	$LINK_MAP
		1761	}
1503		1762
1504	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1764	my ($self) = @_;
1506		1765
1507	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1508		1767
1509	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1769
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1771	if $self->map;
1513		1772
1514	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1774	}
1516		1775
1517	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1519		1778
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1540		1799
1541	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1542		1802
		1803	return unless $self->contr->active;
1543	$self->activate_recursive;	1804	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1545	}	1806	}
1546		1807
1547	cf::player->attach (	1808	cf::player->attach (
…		…
1560		1821
1561	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1823	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1565	cf::async {	1826	(async {
1566	# 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
1567	# 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);
1568	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1570	};	1835	})->prio (2);
1571	}	1836	}
1572	},	1837	},
1573	);	1838	);
1574		1839
1575	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1576		1841
1577	=cut	1842	=cut
1578		1843
1579	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1581		1846
1582	$self->enter_link;	1847	$self->enter_link;
1583		1848
1584	(cf::async {	1849	(async {
1585	$path = new cf::path $path;	1850	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1851	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1589		1853	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1591	# if $map;
1592
1593	$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);
1594		1856
1595	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1858	})->prio (1);
1597	}	1859	}
1598		1860
…		…
1602		1864
1603	sub parse_random_map_params {	1865	sub parse_random_map_params {
1604	my ($spec) = @_;	1866	my ($spec) = @_;
1605		1867
1606	my $rmp = { # defaults	1868	my $rmp = { # defaults
1607	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1609	};	1873	};
1610		1874
1611	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1613		1877
…		…
1617	$rmp	1881	$rmp
1618	}	1882	}
1619		1883
1620	sub prepare_random_map {	1884	sub prepare_random_map {
1621	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1888
1623	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1891	# that depends on the exit object
1626		1892
1627	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1628		1894
1629	if ($exit->map) {	1895	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1634	}	1900	}
1635		1901
1636	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1637		1903
1638	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1907
1641	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) {
1642	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;
1643		1912
1644	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1914	$exit->msg (undef);
1646	}	1915	}
1647	}	1916	}
…		…
1649	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1651		1920
1652	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1653		1922
		1923	if ($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
1654	$self->enter_link;	1932	$self->enter_link;
1655		1933
1656	(cf::async {	1934	(async {
1657	$self->deactivate_recursive; # just to be sure	1935	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1936	unless (eval {
1659	prepare_random_map $exit	1937	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1938
1665	1;	1939	1;
1666	}) {	1940	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "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. "
1669	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1945
1672	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1947	$self->leave_link;
1674	}	1948	}
…		…
1729	# get handled first	2003	# get handled first
1730	my $queue = delete $ns->{query_queue}	2004	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2006
1733	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2009
1735	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1736		2011
1737	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2013	if (@$queue) {
…		…
1742	}	2017	}
1743	}	2018	}
1744	},	2019	},
1745	);	2020	);
1746		2021
1747	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1748		2023
1749	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2026	or loss of connection).
1752		2027
1753	=cut	2028	=cut
1754		2029
1755	sub cf::client::coro {	2030	sub cf::client::async {
1756	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1757		2032
1758	my $coro = &cf::async ($cb);	2033	my $coro = &Coro::async ($cb);
1759		2034
1760	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1762	});	2037	});
1763		2038
…		…
1957	sub db_sync() {	2232	sub db_sync() {
1958	db_save if $dirty;	2233	db_save if $dirty;
1959	undef $dirty;	2234	undef $dirty;
1960	}	2235	}
1961		2236
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1963	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1964	});	2244	);
1965		2245
1966	sub db_dirty() {	2246	sub db_dirty() {
1967	$dirty = 1;	2247	$dirty = 1;
1968	$idle->start;	2248	$idle->start;
1969	}	2249	}
…		…
2001	local $/;	2281	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2282	*CFG = YAML::Syck::Load <$fh>;
2003		2283
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2285
		2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2288
2006	if (exists $CFG{mlockall}) {	2289	if (exists $CFG{mlockall}) {
2007	eval {	2290	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2292	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2293	};
2011	warn $@ if $@;	2294	warn $@ if $@;
2012	}	2295	}
2013	}	2296	}
2014		2297
2015	sub main {	2298	sub main {
2016	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2302	(async {
2020	Event::one_event;	2303	Event::one_event;
2021	})->();	2304	})->prio (Coro::PRIO_MAX);
2022	};	2305	};
2023		2306
2024	cfg_load;	2307	cfg_load;
2025	db_load;	2308	db_load;
2026	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
2027	Event::loop;	2312	Event::loop;
2028	}	2313	}
2029		2314
2030	#############################################################################	2315	#############################################################################
2031	# initialisation	2316	# initialisation and cleanup
		2317
		2318	# install some emergency cleanup handlers
		2319	BEGIN {
		2320	for my $signal (qw(INT HUP TERM)) {
		2321	Event->signal (
		2322	reentrant => 0,
		2323	data => WF_AUTOCANCEL,
		2324	signal => $signal,
		2325	prio => 0,
		2326	cb => sub {
		2327	cf::cleanup "SIG$signal";
		2328	},
		2329	);
		2330	}
		2331	}
		2332
		2333	sub emergency_save() {
		2334	my $freeze_guard = cf::freeze_mainloop;
		2335
		2336	warn "enter emergency perl save\n";
		2337
		2338	cf::sync_job {
		2339	# use a peculiar iteration method to avoid tripping on perl
		2340	# refcount bugs in for. also avoids problems with players
		2341	# and maps saved/destroyed asynchronously.
		2342	warn "begin emergency player save\n";
		2343	for my $login (keys %cf::PLAYER) {
		2344	my $pl = $cf::PLAYER{$login} or next;
		2345	$pl->valid or next;
		2346	$pl->save;
		2347	}
		2348	warn "end emergency player save\n";
		2349
		2350	warn "begin emergency map save\n";
		2351	for my $path (keys %cf::MAP) {
		2352	my $map = $cf::MAP{$path} or next;
		2353	$map->valid or next;
		2354	$map->save;
		2355	}
		2356	warn "end emergency map save\n";
		2357	};
		2358
		2359	warn "leave emergency perl save\n";
		2360	}
2032		2361
2033	sub reload() {	2362	sub reload() {
2034	# can/must only be called in main	2363	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2037	return;	2366	return;
2038	}	2367	}
2039		2368
2040	warn "reloading...";	2369	warn "reloading...";
2041		2370
2042	my $guard = freeze_mainloop;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
2043	cf::emergency_save;	2374	cf::emergency_save;
2044		2375
2045	eval {	2376	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
2047		2378
2048	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2385	}
2052		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
2053	# cancel all extension coros	2395	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2397	%EXT_CORO = ();
2056		2398
2057	# unload all extensions	2399	warn "removing commands";
2058	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2407	warn "... unloading $pkg";
2060	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2414	}
2062		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
2063	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2423
2067	warn "removing <$k>";	2424	warn "... unloading $k";
2068	delete $INC{$k};	2425	delete $INC{$k};
2069		2426
2070	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
2072		2429
…		…
2075	}	2432	}
2076		2433
2077	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
2078	}	2435	}
2079		2436
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2440
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
2093		2443
2094	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2445	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
2097		2447
2098	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
2099	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
2100	require cf;	2451	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2453
2103	# load config and database again	2454	warn "loading config and database again";
2104	cf::cfg_load;	2455	cf::cfg_load;
2105	cf::db_load;	2456	cf::db_load;
2106		2457
2107	# load extensions
2108	warn "load extensions";	2458	warn "loading extensions";
2109	cf::load_extensions;	2459	cf::load_extensions;
2110		2460
2111	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
		2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2114	};	2469	};
2115		2470
2116	if ($@) {	2471	if ($@) {
2117	warn $@;	2472	warn $@;
2118	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2119	exit 1;	2474	exit 1;
2120	}	2475	}
2121		2476
2122	warn "reloaded successfully";	2477	warn "reloaded";
2123	};	2478	};
2124		2479
2125	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2481
2170	register_command "reload" => sub {	2482	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2172		2484
2173	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2175	reload;	2496	reload;
2176	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2177	}	2500	}
2178	};	2501	};
2179		2502
2180	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2181		2506
2182	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2184	prio => 0,	2510	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2187	cb => sub {	2513	cb => sub {
		2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2188	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2191		2534
2192	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2537
2195	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2197	},	2540	},
2198	);	2541	);
2199		2542
2200	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2201		2544
2202	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2549	poll => 'r',
2205	prio => 5,	2550	prio => 6,
2206	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2208	);	2553	);
2209		2554
2210	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2212	after => 0,	2558	after => 1,
2213	interval => 10,	2559	interval => 10,
2214	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2216	write_runtime	2562	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2564	},
2220	);	2565	);
2221		2566
2222	END { cf::emergency_save }	2567	END { cf::emergency_save }
2223		2568

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