[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
77		89
78	#############################################################################	90	#############################################################################
79		91
80	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
81		93
…		…
105		117
106	=item %cf::CFG	118	=item %cf::CFG
107		119
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		129
111	=back	130	=back
112		131
113	=cut	132	=cut
114		133
…		…
118	utf8::encode $msg;	137	utf8::encode $msg;
119		138
120	$msg .= "\n"	139	$msg .= "\n"
121	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
122		141
123	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
124	};	143	};
125	}	144	}
126		145
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		165
147	$Event::DIED = sub {	166	$Event::DIED = sub {
148	warn "error in event callback: @_";	167	warn "error in event callback: @_";
149	};	168	};
150		169
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
156		171
157	=over 4	172	=over 4
158		173
		174	=item dumpval $ref
		175
159	=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	}
160		196
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		198
163	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
164		200
…		…
180	sub to_json($) {	216	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
183	}	219	}
184		220
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	221	=item cf::lock_wait $string
208		222
209	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
210		224
211	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
212		226
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
216	returned.	230	returned.
217		231
218	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
219	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
220		234
221	=cut	235	=cut
222		236
223	our %LOCK;	237	our %LOCK;
224		238
…		…
238	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
239	lock_wait $key;	253	lock_wait $key;
240		254
241	$LOCK{$key} = [];	255	$LOCK{$key} = [];
242		256
243	cf::guard {	257	Coro::guard {
244	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
246	}	260	}
247	}	261	}
248		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	$guard
		273	}
		274
249	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
250		276
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
253		280
254	=cut	281	=cut
255		282
256	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		284
265	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
266		286
267	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
284		304
285	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	306	# (but this is cancel-safe)
287	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
288		308
289	my $busy = 1;	309	my $busy = 1;
290	my @res;	310	my @res;
291		311
292	(Coro::async {	312	(async {
293	@res = eval { $job->() };	313	@res = eval { $job->() };
294	warn $@ if $@;	314	warn $@ if $@;
295	undef $busy;	315	undef $busy;
296	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
297		317
298	while ($busy) {	318	while ($busy) {
299	Coro::cede_notself;	319	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	320	}
302		321
303	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
304	} else {	323	} else {
305	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
306		325
307	$job->()	326	$job->()
308	}	327	}
309	}	328	}
310		329
311	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
312		331
313	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
315		334
316	=cut	335	=cut
317		336
318	sub coro(&) {	337	sub async_ext(&) {
319	my $cb = shift;	338	my $cb = shift;
320		339
321	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
322		341
323	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
325	});	344	});
326	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
333		352
334	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
335	or return;	354	or return;
336		355
		356	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	361	and return;
340		362
341	aio_fsync $fh	363	aio_fsync $fh
342	and return;	364	and return;
…		…
351	}	373	}
352		374
353	=back	375	=back
354		376
355	=cut	377	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} \|\| $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		378
477	#############################################################################	379	#############################################################################
478		380
479	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
480		382
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	509	our @CB_MAP = ();
608		510
609	my %attachment;	511	my %attachment;
610		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
611	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
613		521
614	use sort 'stable';	522	use sort 'stable';
615		523
…		…
786	# object support	694	# object support
787		695
788	sub reattach {	696	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		701
792	my $registry = $obj->registry;	702	my $registry = $obj->registry;
793		703
794	@$registry = ();	704	@$registry = ();
795		705
…		…
927	=cut	837	=cut
928		838
929	sub register_extcmd {	839	sub register_extcmd {
930	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
931		841
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
936	}	843	}
937		844
938	cf::player->attach (	845	cf::player->attach (
939	on_command => sub {	846	on_command => sub {
940	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
953		860
954	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
955		862
956	if (ref $msg) {	863	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	867	}
961	}	868	}
962	} else {	869	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		872
966	cf::override;	873	cf::override;
967	},	874	},
968	);	875	);
969		876
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	877	sub load_extension {
977	my ($path) = @_;	878	my ($path) = @_;
978		879
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	881	my $base = $1;
981	my $pkg = $1;	882	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
984		885
985	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
986		887
987	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
988	or die "$path: $!";	889	or die "$path: $!";
989		890
990	my $source =	891	my $source =
991	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
994	. "\n};\n1";	895	. "\n};\n1";
995		896
996	eval $source	897	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	899	: "extension disabled.\n";
999		900	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	901	warn $@;
1001	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
1002		903	exit 1;
1003	# no strict 'refs';	904	}
1004	# @{"$pkg\::ISA"} = ext::;	905	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	906	}
1019		907
1020	# remove commands	908	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	909	}
1045		910
1046	sub load_extensions {	911	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	913	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1053	}	918	}
1054	}	919	}
1055		920
1056	#############################################################################	921	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		922
1094	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1095		924
1096	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1097		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1098	=head3 cf::player	933	=head3 cf::player
1099		934
1100	=over 4	935	=over 4
1101		936
1102	=item cf::player::exists $login	937	=item cf::player::find $login
1103		938
1104	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1105		940
1106	=cut	941	=cut
1107		942
1108	sub cf::player::exists($) {	943	sub playerdir($) {
1109	cf::player::find $_[0]	944	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	945	. "/"
		946	. cf::playerdir
		947	. "/"
		948	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		949	}
		950
		951	sub path($) {
		952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		953
		954	(playerdir $login) . "/$login.pl"
		955	}
		956
		957	sub find_active($) {
		958	$cf::PLAYER{$_[0]}
		959	and $cf::PLAYER{$_[0]}->active
		960	and $cf::PLAYER{$_[0]}
		961	}
		962
		963	sub exists($) {
		964	my ($login) = @_;
		965
		966	$cf::PLAYER{$login}
		967	or cf::sync_job { !aio_stat path $login }
		968	}
		969
		970	sub find($) {
		971	return $cf::PLAYER{$_[0]} \|\| do {
		972	my $login = $_[0];
		973
		974	my $guard = cf::lock_acquire "user_find:$login";
		975
		976	$cf::PLAYER{$_[0]} \|\| do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
		981	}
		982	}
		983
		984	sub save($) {
		985	my ($pl) = @_;
		986
		987	return if $pl->{deny_save};
		988
		989	my $path = path $pl;
		990	my $guard = cf::lock_acquire "user_save:$path";
		991
		992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
		995	$pl->{last_save} = $cf::RUNTIME;
		996
		997	$pl->save_pl ($path);
		998	Coro::cede;
		999	}
		1000
		1001	sub new($) {
		1002	my ($login) = @_;
		1003
		1004	my $self = create;
		1005
		1006	$self->ob->name ($login);
		1007	$self->{deny_save} = 1;
		1008
		1009	$cf::PLAYER{$login} = $self;
		1010
		1011	$self
		1012	}
		1013
		1014	=item $pl->quit_character
		1015
		1016	Nukes the player without looking back. If logged in, the connection will
		1017	be destroyed. May block for a long time.
		1018
		1019	=cut
		1020
		1021	sub quit_character {
		1022	my ($pl) = @_;
		1023
		1024	$pl->{deny_save} = 1;
		1025	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1026
		1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1028	$pl->deactivate;
		1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1030	$pl->ns->destroy if $pl->ns;
		1031
		1032	my $path = playerdir $pl;
		1033	my $temp = "$path~$cf::RUNTIME~deleting~";
		1034	aio_rename $path, $temp;
		1035	delete $cf::PLAYER{$pl->ob->name};
		1036	$pl->destroy;
		1037	IO::AIO::aio_rmtree $temp;
		1038	}
		1039
		1040	=item cf::player::list_logins
		1041
		1042	Returns am arrayref of all valid playernames in the system, can take a
		1043	while and may block, so not sync_job-capable, ever.
		1044
		1045	=cut
		1046
		1047	sub list_logins {
		1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1049	or return [];
		1050
		1051	my @logins;
		1052
		1053	for my $login (@$dirs) {
		1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1055	aio_read $fh, 0, 512, my $buf, 0 or next;
		1056	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1057
		1058	utf8::decode $login;
		1059	push @logins, $login;
		1060	}
		1061
		1062	\@logins
		1063	}
		1064
		1065	=item $player->maps
		1066
		1067	Returns an arrayref of map paths that are private for this
		1068	player. May block.
		1069
		1070	=cut
		1071
		1072	sub maps($) {
		1073	my ($pl) = @_;
		1074
		1075	my $files = aio_readdir playerdir $pl
		1076	or return;
		1077
		1078	my @paths;
		1079
		1080	for (@$files) {
		1081	utf8::decode $_;
		1082	next if /\.(?:pl\|pst)$/;
		1083	next unless /^$PATH_SEP/o;
		1084
		1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1086	}
		1087
		1088	\@paths
1111	}	1089	}
1112		1090
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1092
1115	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1116		1094
1117	=cut	1095	=cut
1118		1096
1119	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1121		1099
1122	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1123		1101
1124	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1125	}	1103	}
		1104
		1105	package cf;
1126		1106
1127	=back	1107	=back
1128		1108
1129		1109
1130	=head3 cf::map	1110	=head3 cf::map
…		…
1136	package cf::map;	1116	package cf::map;
1137		1117
1138	use Fcntl;	1118	use Fcntl;
1139	use Coro::AIO;	1119	use Coro::AIO;
1140		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1141	our $MAX_RESET = 7200;	1125	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1126	our $DEFAULT_RESET = 3000;
1143		1127
1144	sub generate_random_map {	1128	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1131	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1142	(cf::region::find $rmp->{region}), $rmp->{custom}
		1143	)
		1144	}
		1145
		1146	=item cf::map->register ($regex, $prio)
		1147
		1148	Register a handler for the map path matching the given regex at the
		1149	givne priority (higher is better, built-in handlers have priority 0, the
		1150	default).
		1151
		1152	=cut
		1153
		1154	sub register {
		1155	my (undef, $regex, $prio) = @_;
		1156	my $pkg = caller;
		1157
		1158	no strict;
		1159	push @{"$pkg\::ISA"}, __PACKAGE__;
		1160
		1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1162	}
		1163
		1164	# also paths starting with '/'
		1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1166
		1167	sub thawer_merge {
		1168	my ($self, $merge) = @_;
		1169
		1170	# we have to keep some variables in memory intact
		1171	local $self->{path};
		1172	local $self->{load_path};
		1173	local $self->{deny_save};
		1174	local $self->{deny_reset};
		1175
		1176	$self->SUPER::thawer_merge ($merge);
		1177	}
		1178
		1179	sub normalise {
		1180	my ($path, $base) = @_;
		1181
		1182	$path = "$path"; # make sure its a string
		1183
		1184	$path =~ s/\.map$//;
		1185
		1186	# map plan:
		1187	#
		1188	# /! non-realised random map exit (special hack!)
		1189	# {... are special paths that are not being touched
		1190	# ?xxx/... are special absolute paths
		1191	# ?random/... random maps
		1192	# /... normal maps
		1193	# ~user/... per-player map of a specific user
		1194
		1195	$path =~ s/$PATH_SEP/\//go;
		1196
		1197	# treat it as relative path if it starts with
		1198	# something that looks reasonable
		1199	if ($path =~ m{^(?:\./\|\.\./\|\w)}) {
		1200	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1201
		1202	$base =~ s{[^/]+/?$}{};
		1203	$path = "$base/$path";
		1204	}
		1205
		1206	for ($path) {
		1207	redo if s{//}{/};
		1208	redo if s{/\.?/}{/};
		1209	redo if s{/[^/]+/\.\./}{/};
		1210	}
		1211
		1212	$path
		1213	}
		1214
		1215	sub new_from_path {
		1216	my (undef, $path, $base) = @_;
		1217
		1218	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1219
		1220	$path = normalise $path, $base;
		1221
		1222	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1223	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1224	my $self = bless cf::map::new, $pkg;
		1225	$self->{path} = $path; $self->path ($path);
		1226	$self->init; # pass $1 etc.
		1227	return $self;
		1228	}
		1229	}
		1230
		1231	Carp::carp "unable to resolve path '$path' (base '$base').";
		1232	()
		1233	}
		1234
		1235	sub init {
		1236	my ($self) = @_;
		1237
		1238	$self
		1239	}
		1240
		1241	sub as_string {
		1242	my ($self) = @_;
		1243
		1244	"$self->{path}"
		1245	}
		1246
		1247	# the displayed name, this is a one way mapping
		1248	sub visible_name {
		1249	&as_string
		1250	}
		1251
		1252	# the original (read-only) location
		1253	sub load_path {
		1254	my ($self) = @_;
		1255
		1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1257	}
		1258
		1259	# the temporary/swap location
		1260	sub save_path {
		1261	my ($self) = @_;
		1262
		1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1265	}
		1266
		1267	# the unique path, undef == no special unique path
		1268	sub uniq_path {
		1269	my ($self) = @_;
		1270
		1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1273	}
1162		1274
1163	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1164	# all maps in C++...	1276	# all maps in C++...
1165	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1167		1279
1168	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1170	}	1282	}
1171		1283
		1284	sub unlink_save {
		1285	my ($self) = @_;
		1286
		1287	utf8::encode (my $save = $self->save_path);
		1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1289	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1290	}
		1291
1172	sub try_load_header($) {	1292	sub load_header_from($) {
1173	my ($path) = @_;	1293	my ($self, $path) = @_;
1174		1294
1175	utf8::encode $path;	1295	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1177	or return;	1297	or return;
1178		1298
1179	my $map = cf::map::new	1299	$self->_load_header ($path)
1180	or return;	1300	or return;
1181		1301
1182	$map->load_header ($path)	1302	$self->{load_path} = $path;
		1303
		1304	1
		1305	}
		1306
		1307	sub load_header_orig {
		1308	my ($self) = @_;
		1309
		1310	$self->load_header_from ($self->load_path)
		1311	}
		1312
		1313	sub load_header_temp {
		1314	my ($self) = @_;
		1315
		1316	$self->load_header_from ($self->save_path)
		1317	}
		1318
		1319	sub prepare_temp {
		1320	my ($self) = @_;
		1321
		1322	$self->last_access ((delete $self->{last_access})
		1323	\|\| $cf::RUNTIME); #d#
		1324	# safety
		1325	$self->{instantiate_time} = $cf::RUNTIME
		1326	if $self->{instantiate_time} > $cf::RUNTIME;
		1327	}
		1328
		1329	sub prepare_orig {
		1330	my ($self) = @_;
		1331
		1332	$self->{load_original} = 1;
		1333	$self->{instantiate_time} = $cf::RUNTIME;
		1334	$self->last_access ($cf::RUNTIME);
		1335	$self->instantiate;
		1336	}
		1337
		1338	sub load_header {
		1339	my ($self) = @_;
		1340
		1341	if ($self->load_header_temp) {
		1342	$self->prepare_temp;
		1343	} else {
		1344	$self->load_header_orig
1183	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1184		1348
1185	$map->{load_path} = $path;	1349	1
1186
1187	$map
1188	}	1350	}
1189		1351
1190	sub find_map;	1352	sub find;
1191	sub find_map {	1353	sub find {
1192	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1193		1355
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1357
1199	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1200		1359
1201	$cf::MAP{$key} \|\| do {	1360	$cf::MAP{$path} \|\| do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1203		1362	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	\|\| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1363	or return;
1221		1364
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1365	$map->{last_save} = $cf::RUNTIME;
1234		1366
1235	if ($map->should_reset) {	1367	$map->load_header
		1368	or return;
		1369
		1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1371	# doing this can freeze the server in a sync job, obviously
		1372	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1373	$map->reset;
1237	undef $guard;	1374	undef $guard;
1238	$map = find_map $path	1375	return find $path;
1239	or return;
1240	}	1376	}
1241		1377
1242	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1243	}	1379	}
1244	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1245		1384
1246	sub load {	1385	sub load {
1247	my ($self) = @_;	1386	my ($self) = @_;
1248		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1249	my $path = $self->{path};	1390	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1251		1392
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1394
1254	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1255		1396
1256	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1257	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1402	or return;
1259		1403
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1405	if delete $self->{load_original};
1262		1406
1263	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1408	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1410	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1268	}	1412	}
1269	}	1413	}
		1414
		1415	Coro::cede;
1270		1416
1271	# now do the right thing for maps	1417	# now do the right thing for maps
1272	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1273		1419
1274	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1421	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1281	$self->set_darkness_map;	1425	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1284	$self->activate;	1429	$self->activate;
1285	}	1430	}
1286		1431
		1432	$self->post_load;
		1433
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1435	}
1289		1436
1290	sub load_map_sync {	1437	sub customise_for {
		1438	my ($self, $ob) = @_;
		1439
		1440	return find "~" . $ob->name . "/" . $self->{path}
		1441	if $self->per_player;
		1442
		1443	$self
		1444	}
		1445
		1446	# find and load all maps in the 3x3 area around a map
		1447	sub load_diag {
		1448	my ($map) = @_;
		1449
		1450	my @diag; # diagonal neighbours
		1451
		1452	for (0 .. 3) {
		1453	my $neigh = $map->tile_path ($_)
		1454	or next;
		1455	$neigh = find $neigh, $map
		1456	or next;
		1457	$neigh->load;
		1458
		1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1461	}
		1462
		1463	for (@diag) {
		1464	my $neigh = find @$_
		1465	or next;
		1466	$neigh->load;
		1467	}
		1468	}
		1469
		1470	sub find_sync {
1291	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1292		1472
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1473	cf::sync_job { find $path, $origin }
		1474	}
1294		1475
1295	cf::sync_job {	1476	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1477	my ($map) = @_;
1297	or return;	1478
		1479	cf::sync_job { $map->load };
		1480	}
		1481
		1482	our %MAP_PREFETCH;
		1483	our $MAP_PREFETCHER = undef;
		1484
		1485	sub find_async {
		1486	my ($path, $origin) = @_;
		1487
		1488	$path = normalise $path, $origin && $origin->{path};
		1489
		1490	if (my $map = $cf::MAP{$path}) {
		1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1492	}
		1493
		1494	undef $MAP_PREFETCH{$path};
		1495	$MAP_PREFETCHER \|\|= cf::async {
		1496	while (%MAP_PREFETCH) {
		1497	for my $path (keys %MAP_PREFETCH) {
		1498	my $map = find $path
		1499	or next;
1298	$map->load;	1500	$map->load;
1299	$map	1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
1300	}	1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
1301	}	1510	}
1302		1511
1303	sub save {	1512	sub save {
1304	my ($self) = @_;	1513	my ($self) = @_;
1305		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1306	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1307		1518
1308	return unless $self->dirty;	1519	return unless $self->dirty;
1309		1520
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1523
1313	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1314		1525
1315	return if $self->{deny_save};	1526	return if $self->{deny_save};
1316		1527
1317	local $self->{last_access} = $self->last_access;#d#	1528	local $self->{last_access} = $self->last_access;#d#
1318		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1319	if ($uniq) {	1534	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1537	} else {
1323	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1324	}	1539	}
1325	}	1540	}
1326		1541
1327	sub swap_out {	1542	sub swap_out {
1328	my ($self) = @_;	1543	my ($self) = @_;
1329		1544
1330	# save first because save cedes	1545	# save first because save cedes
1331	$self->save;	1546	$self->save;
		1547
		1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1549
1333	return if $self->players;	1550	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1552	return if $self->{deny_save};
1336		1553
…		…
1340		1557
1341	sub reset_at {	1558	sub reset_at {
1342	my ($self) = @_;	1559	my ($self) = @_;
1343		1560
1344	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1347		1564
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1350		1567
…		…
1355	my ($self) = @_;	1572	my ($self) = @_;
1356		1573
1357	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1358	}	1575	}
1359		1576
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1577	sub reset {
1382	my ($self) = @_;	1578	my ($self) = @_;
1383		1579
		1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1581
1384	return if $self->players;	1582	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1386		1584
1387	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1388		1586
1389	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1390		1591
1391	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1392		1593
1393	$self->unlink_save;	1594	$self->unlink_save;
1394	$self->destroy;	1595	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1398		1599
1399	sub nuke {	1600	sub nuke {
1400	my ($self) = @_;	1601	my ($self) = @_;
1401		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1405	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1406	}	1616	}
1407		1617
1408	sub customise_for {	1618	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1619
1411	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1413	}
1414		1622
1415	$map	1623	=cut
1416	}
1417		1624
1418	sub emergency_save {	1625	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1420		1628
1421	warn "enter emergency map save\n";	1629	my @paths;
1422		1630
1423	cf::sync_job {	1631	for (@$files) {
1424	warn "begin emergency map save\n";	1632	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1426	};	1637	}
1427		1638
1428	warn "end emergency map save\n";	1639	\@paths
1429	}	1640	}
1430		1641
1431	package cf;	1642	package cf;
1432		1643
1433	=back	1644	=back
1434		1645
		1646	=head3 cf::object
		1647
		1648	=cut
		1649
		1650	package cf::object;
		1651
		1652	=over 4
		1653
		1654	=item $ob->inv_recursive
		1655
		1656	Returns the inventory of the object _and_ their inventories, recursively.
		1657
		1658	=cut
		1659
		1660	sub inv_recursive_;
		1661	sub inv_recursive_ {
		1662	map { $_, inv_recursive_ $_->inv } @_
		1663	}
		1664
		1665	sub inv_recursive {
		1666	inv_recursive_ inv $_[0]
		1667	}
		1668
		1669	package cf;
		1670
		1671	=back
1435		1672
1436	=head3 cf::object::player	1673	=head3 cf::object::player
1437		1674
1438	=over 4	1675	=over 4
1439		1676
…		…
1479		1716
1480	=item $player_object->enter_link	1717	=item $player_object->enter_link
1481		1718
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1719	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1720
1484	The player should be reaosnably safe there for short amounts of time. You	1721	The player should be reasonably safe there for short amounts of time. You
1485	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1486		1723
		1724	Will never block.
		1725
1487	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1488		1727
1489	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1731	fails, to the emergency map position.
1493		1732
1494	Might block.	1733	Might block.
1495		1734
1496	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($LINK_MAP) {
		1739	$LINK_MAP = cf::map::find "{link}"
		1740	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1741	$LINK_MAP->load;
		1742	}
		1743
		1744	$LINK_MAP
		1745	}
1497		1746
1498	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1748	my ($self) = @_;
1500		1749
1501	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1502		1751
1503	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1753
1505	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1755	if $self->map;
1507		1756
1508	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1509	}	1758	}
1510		1759
1511	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1513		1762
1514	my $link_pos = delete $self->{_link_pos};	1763	my $link_pos = delete $self->{_link_pos};
1515		1764
1516	unless ($map) {	1765	unless ($map) {
1517	# restore original map position	1766	# restore original map position
1518	($map, $x, $y) = @{ $link_pos \|\| [] };	1767	($map, $x, $y) = @{ $link_pos \|\| [] };
1519	$map = cf::map::find_map $map;	1768	$map = cf::map::find $map;
1520		1769
1521	unless ($map) {	1770	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1771	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1772	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1773	or die "FATAL: cannot load emergency map\n";
1525	}	1774	}
1526	}	1775	}
1527		1776
1528	($x, $y) = (-1, -1)	1777	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1534		1783
1535	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1536		1786
		1787	return unless $self->contr->active;
1537	$self->activate_recursive;	1788	$self->activate_recursive;
1538	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1539	}	1790	}
1540		1791
1541	cf::player->attach (	1792	cf::player->attach (
…		…
1554		1805
1555	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1807	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1559	cf::async {	1810	(async {
1560	# we need this sleep as the login has a concurrent enter_exit running	1811	# we need this sleep as the login has a concurrent enter_exit running
1561	# and this sleep increases chances of the player not ending up in scorn	1812	# and this sleep increases chances of the player not ending up in scorn
		1813	$pl->ob->reply (undef,
		1814	"There was an internal problem at your last logout, "
		1815	. "the server will try to bring you to your intended destination in a second.",
		1816	cf::NDI_RED);
1562	Coro::Timer::sleep 1;	1817	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1818	$pl->ob->leave_link;
1564	};	1819	})->prio (2);
1565	}	1820	}
1566	},	1821	},
1567	);	1822	);
1568		1823
1569	=item $player_object->goto_map ($path, $x, $y)	1824	=item $player_object->goto ($path, $x, $y)
1570		1825
1571	=cut	1826	=cut
1572		1827
1573	sub cf::object::player::goto_map {	1828	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1575		1830
1576	$self->enter_link;	1831	$self->enter_link;
1577		1832
1578	(cf::async {	1833	(async {
1579	$path = new cf::path $path;	1834	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1835	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1583		1837	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1588		1840
1589	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1842	})->prio (1);
1591	}	1843	}
1592		1844
…		…
1596		1848
1597	sub parse_random_map_params {	1849	sub parse_random_map_params {
1598	my ($spec) = @_;	1850	my ($spec) = @_;
1599		1851
1600	my $rmp = { # defaults	1852	my $rmp = { # defaults
1601	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1603	};	1857	};
1604		1858
1605	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1607		1861
…		…
1611	$rmp	1865	$rmp
1612	}	1866	}
1613		1867
1614	sub prepare_random_map {	1868	sub prepare_random_map {
1615	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1872
1617	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1875	# that depends on the exit object
1620		1876
1621	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1622		1878
1623	if ($exit->map) {	1879	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1628	}	1884	}
1629		1885
1630	$rmp->{random_seed} \|\|= $exit->random_seed;	1886	$rmp->{random_seed} \|\|= $exit->random_seed;
1631		1887
1632	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1891
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1892	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1893	aio_write $fh, 0, (length $data), $data, 0;
		1894	undef $fh;
		1895	aio_rename "$meta~", $meta;
1637		1896
1638	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1898	$exit->msg (undef);
1640	}	1899	}
1641	}	1900	}
…		…
1643	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1645		1904
1646	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
1647		1906
		1907	if ($exit->slaying eq "/!") {
		1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1909	cf::sync_job { prepare_random_map $exit };
		1910	}
		1911
		1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1913	my $hp = $exit->stats->hp;
		1914	my $sp = $exit->stats->sp;
		1915
1648	$self->enter_link;	1916	$self->enter_link;
1649		1917
1650	(cf::async {	1918	(async {
		1919	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1920	unless (eval {
1652	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1922
1658	1;	1923	1;
1659	}) {	1924	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1926	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE \| cf::NDI_RED);	1928	cf::NDI_UNIQUE \| cf::NDI_RED);
1664		1929
1665	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1931	$self->leave_link;
1667	}	1932	}
…		…
1735	}	2000	}
1736	}	2001	}
1737	},	2002	},
1738	);	2003	);
1739		2004
1740	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1741		2006
1742	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2009	or loss of connection).
1745		2010
1746	=cut	2011	=cut
1747		2012
1748	sub cf::client::coro {	2013	sub cf::client::async {
1749	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1750		2015
1751	my $coro = &cf::async ($cb);	2016	my $coro = &Coro::async ($cb);
1752		2017
1753	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1755	});	2020	});
1756		2021
…		…
1950	sub db_sync() {	2215	sub db_sync() {
1951	db_save if $dirty;	2216	db_save if $dirty;
1952	undef $dirty;	2217	undef $dirty;
1953	}	2218	}
1954		2219
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1956	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1957	});	2227	);
1958		2228
1959	sub db_dirty() {	2229	sub db_dirty() {
1960	$dirty = 1;	2230	$dirty = 1;
1961	$idle->start;	2231	$idle->start;
1962	}	2232	}
…		…
1994	local $/;	2264	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2265	*CFG = YAML::Syck::Load <$fh>;
1996		2266
1997	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	2267	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
1998		2268
		2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2271
1999	if (exists $CFG{mlockall}) {	2272	if (exists $CFG{mlockall}) {
2000	eval {	2273	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2275	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2276	};
2004	warn $@ if $@;	2277	warn $@ if $@;
2005	}	2278	}
2006	}	2279	}
2007		2280
2008	sub main {	2281	sub main {
2009	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2285	(async {
2013	Event::one_event;	2286	Event::one_event;
2014	})->();	2287	})->prio (Coro::PRIO_MAX);
2015	};	2288	};
2016		2289
2017	cfg_load;	2290	cfg_load;
2018	db_load;	2291	db_load;
2019	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2020	Event::loop;	2295	Event::loop;
2021	}	2296	}
2022		2297
2023	#############################################################################	2298	#############################################################################
2024	# initialisation	2299	# initialisation and cleanup
		2300
		2301	# install some emergency cleanup handlers
		2302	BEGIN {
		2303	for my $signal (qw(INT HUP TERM)) {
		2304	Event->signal (
		2305	reentrant => 0,
		2306	data => WF_AUTOCANCEL,
		2307	signal => $signal,
		2308	prio => 0,
		2309	cb => sub {
		2310	cf::cleanup "SIG$signal";
		2311	},
		2312	);
		2313	}
		2314	}
		2315
		2316	sub emergency_save() {
		2317	my $freeze_guard = cf::freeze_mainloop;
		2318
		2319	warn "enter emergency perl save\n";
		2320
		2321	cf::sync_job {
		2322	# use a peculiar iteration method to avoid tripping on perl
		2323	# refcount bugs in for. also avoids problems with players
		2324	# and maps saved/destroyed asynchronously.
		2325	warn "begin emergency player save\n";
		2326	for my $login (keys %cf::PLAYER) {
		2327	my $pl = $cf::PLAYER{$login} or next;
		2328	$pl->valid or next;
		2329	$pl->save;
		2330	}
		2331	warn "end emergency player save\n";
		2332
		2333	warn "begin emergency map save\n";
		2334	for my $path (keys %cf::MAP) {
		2335	my $map = $cf::MAP{$path} or next;
		2336	$map->valid or next;
		2337	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2025		2344
2026	sub reload() {	2345	sub reload() {
2027	# can/must only be called in main	2346	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2030	return;	2349	return;
2031	}	2350	}
2032		2351
2033	warn "reloading...";	2352	warn "reloading...";
2034		2353
2035	local $FREEZE = 1;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2036	cf::emergency_save;	2357	cf::emergency_save;
2037		2358
2038	eval {	2359	eval {
2039	# if anything goes wrong in here, we should simply crash as we already saved	2360	# if anything goes wrong in here, we should simply crash as we already saved
2040		2361
2041	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2368	}
2045		2369
		2370	warn "flushing outstanding aio requests";
		2371	for (;;) {
		2372	IO::AIO::flush;
		2373	Coro::cede;
		2374	last unless IO::AIO::nreqs;
		2375	warn "iterate...";
		2376	}
		2377
2046	# cancel all extension coros	2378	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2380	%EXT_CORO = ();
2049		2381
2050	# unload all extensions	2382	warn "removing commands";
2051	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2053	unload_extension $_;	2391
		2392	if (my $cb = $pkg->can ("unload")) {
		2393	eval {
		2394	$cb->($pkg);
		2395	1
		2396	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2397	}
2055		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2056	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2406
2060	warn "removing <$k>";	2407	warn "... unloading $k";
2061	delete $INC{$k};	2408	delete $INC{$k};
2062		2409
2063	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2065		2412
…		…
2068	}	2415	}
2069		2416
2070	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2071	}	2418	}
2072		2419
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2423
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2086		2426
2087	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2428	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2090		2430
2091	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2092	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2093	require cf;	2434	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2436
2096	# load config and database again	2437	warn "loading config and database again";
2097	cf::cfg_load;	2438	cf::cfg_load;
2098	cf::db_load;	2439	cf::db_load;
2099		2440
2100	# load extensions
2101	warn "load extensions";	2441	warn "loading extensions";
2102	cf::load_extensions;	2442	cf::load_extensions;
2103		2443
2104	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2107	};	2452	};
2108		2453
2109	if ($@) {	2454	if ($@) {
2110	warn $@;	2455	warn $@;
2111	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2112	exit 1;	2457	exit 1;
2113	}	2458	}
2114		2459
2115	warn "reloaded successfully";	2460	warn "reloaded";
2116	};	2461	};
2117		2462
2118	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2464
2163	register_command "reload" => sub {	2465	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2165		2467
2166	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2469	$who->message ("reloading server.");
		2470
		2471	# doing reload synchronously and two reloads happen back-to-back,
		2472	# coro crashes during coro_state_free->destroy here.
		2473
		2474	$RELOAD_WATCHER \|\|= Event->timer (
		2475	reentrant => 0,
		2476	after => 0,
		2477	data => WF_AUTOCANCEL,
		2478	cb => sub {
2168	reload;	2479	reload;
2169	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2170	}	2483	}
2171	};	2484	};
2172		2485
2173	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2174		2489
2175	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2177	prio => 0,	2493	prio => 0,
2178	at => $NEXT_TICK \|\| $TICK,	2494	at => $NEXT_TICK \|\| $TICK,
2179	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2180	cb => sub {	2496	cb => sub {
2181	unless ($FREEZE) {	2497	if ($Coro::current != $Coro::main) {
		2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2499	unless ++$bug_warning > 10;
		2500	return;
		2501	}
		2502
		2503	$NOW = Event::time;
		2504
2182	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2507	$NEXT_TICK += $TICK;
		2508
		2509	$WAIT_FOR_TICK->broadcast;
		2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2511
		2512	Event::sweep;
		2513	Coro::cede_notself;
		2514
		2515	# my $AFTER = Event::time;
		2516	# warn $AFTER - $NOW;#d#
2187		2517
2188	# if we are delayed by four ticks or more, skip them all	2518	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2520
2191	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2193	},	2523	},
2194	);	2524	);
2195		2525
2196	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2197		2527
2198	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2200	poll => 'r',	2532	poll => 'r',
2201	prio => 5,	2533	prio => 6,
2202	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2204	);	2536	);
2205		2537
2206	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2207	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2208	after => 0,	2541	after => 1,
2209	interval => 10,	2542	interval => 10,
2210	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2211	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2212	write_runtime	2545	write_runtime
2213	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2214	})->();
2215	},	2547	},
2216	);	2548	);
2217		2549
2218	END { cf::emergency_save }	2550	END { cf::emergency_save }
2219		2551

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs. Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC