ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 2007 UTC vs.
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	259	}
249		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
334		350
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	352	or return;
337		353
		354	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	359	and return;
341		360
342	aio_fsync $fh	361	aio_fsync $fh
343	and return;	362	and return;
…		…
352	}	371	}
353		372
354	=back	373	=back
355		374
356	=cut	375	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		376
478	#############################################################################	377	#############################################################################
479		378
480	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
481		380
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	507	our @CB_MAP = ();
609		508
610	my %attachment;	509	my %attachment;
611		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
612	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
614		519
615	use sort 'stable';	520	use sort 'stable';
616		521
…		…
787	# object support	692	# object support
788		693
789	sub reattach {	694	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		699
793	my $registry = $obj->registry;	700	my $registry = $obj->registry;
794		701
795	@$registry = ();	702	@$registry = ();
796		703
…		…
928	=cut	835	=cut
929		836
930	sub register_extcmd {	837	sub register_extcmd {
931	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
932		839
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
937	}	841	}
938		842
939	cf::player->attach (	843	cf::player->attach (
940	on_command => sub {	844	on_command => sub {
941	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
954		858
955	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
956		860
957	if (ref $msg) {	861	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	865	}
962	}	866	}
963	} else {	867	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		870
967	cf::override;	871	cf::override;
968	},	872	},
969	);	873	);
970		874
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	875	sub load_extension {
978	my ($path) = @_;	876	my ($path) = @_;
979		877
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	879	my $base = $1;
982	my $pkg = $1;	880	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
985		883
986	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
987		885
988	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
989	or die "$path: $!";	887	or die "$path: $!";
990		888
991	my $source =	889	my $source =
992	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
995	. "\n};\n1";	893	. "\n};\n1";
996		894
997	eval $source	895	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	897	: "extension disabled.\n";
1000		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	899	warn $@;
1002	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1003		901	exit 1;
1004	# no strict 'refs';	902	}
1005	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	904	}
1020		905
1021	# remove commands	906	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	907	}
1046		908
1047	sub load_extensions {	909	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	911	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1054	}	916	}
1055	}	917	}
1056		918
1057	#############################################################################	919	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		920
1095	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1096		922
1097	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1098		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1099	=head3 cf::player	931	=head3 cf::player
1100		932
1101	=over 4	933	=over 4
1102		934
1103	=item cf::player::exists $login	935	=item cf::player::find $login
1104		936
1105	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1106		938
1107	=cut	939	=cut
1108		940
1109	sub cf::player::exists($) {	941	sub playerdir($) {
1110	cf::player::find $_[0]	942	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1112	}	1088	}
1113		1089
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1091
1116	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1117		1093
1118	=cut	1094	=cut
1119		1095
1120	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1122		1098
1123	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1124		1100
1125	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1126	}	1102	}
		1103
		1104	package cf;
1127		1105
1128	=back	1106	=back
1129		1107
1130		1108
1131	=head3 cf::map	1109	=head3 cf::map
…		…
1137	package cf::map;	1115	package cf::map;
1138		1116
1139	use Fcntl;	1117	use Fcntl;
1140	use Coro::AIO;	1118	use Coro::AIO;
1141		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1142	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1144		1126
1145	sub generate_random_map {	1127	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1130	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1270	}
1163		1271
1164	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1165	# all maps in C++...	1273	# all maps in C++...
1166	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1168		1276
1169	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1171	}	1279	}
1172		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1173	sub try_load_header($) {	1289	sub load_header_from($) {
1174	my ($path) = @_;	1290	my ($self, $path) = @_;
1175		1291
1176	utf8::encode $path;	1292	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1178	or return;	1294	or return;
1179		1295
1180	my $map = cf::map::new	1296	$self->_load_header ($path)
1181	or return;	1297	or return;
1182		1298
1183	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1184	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1185		1345
1186	$map->{load_path} = $path;	1346	1
1187
1188	$map
1189	}	1347	}
1190		1348
1191	sub find_map;	1349	sub find;
1192	sub find_map {	1350	sub find {
1193	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1194		1352
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1354
1200	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1201		1356
1202	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1204		1359	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1360	or return;
1220		1361
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1363
		1364	$map->load_header
		1365	or return;
1233		1366
1234	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1370	$map->reset;
1236	undef $guard;	1371	undef $guard;
1237	$map = find_map $path	1372	return find $path;
1238	or return;
1239	}	1373	}
1240		1374
1241	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1242	}	1376	}
1243	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1244		1381
1245	sub load {	1382	sub load {
1246	my ($self) = @_;	1383	my ($self) = @_;
1247		1384
1248	my $path = $self->{path};	1385	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1250		1387
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1389
1253	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1254		1391
1255	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1256	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1397	or return;
1258		1398
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1400	if delete $self->{load_original};
1261		1401
1262	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1403	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1405	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1267	}	1407	}
1268	}	1408	}
		1409
		1410	Coro::cede;
1269		1411
1270	# now do the right thing for maps	1412	# now do the right thing for maps
1271	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1272		1414
1273	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1416	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1280	$self->set_darkness_map;	1420	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1283	$self->activate;	1424	$self->activate;
1284	}	1425	}
1285		1426
		1427	$self->post_load;
		1428
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1430	}
1288		1431
1289	sub load_map_sync {	1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
		1463	}
		1464
		1465	sub find_sync {
1290	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1291		1467
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1468	cf::sync_job { find $path, $origin }
		1469	}
1293		1470
1294	cf::sync_job {	1471	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1472	my ($map) = @_;
1296	or return;	1473
		1474	cf::sync_job { $map->load };
		1475	}
		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
1297	$map->load;	1495	$map->load;
1298	$map	1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
1299	}	1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
1300	}	1505	}
1301		1506
1302	sub save {	1507	sub save {
1303	my ($self) = @_;	1508	my ($self) = @_;
1304		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
1305	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1306		1513
1307	return unless $self->dirty;	1514	return unless $self->dirty;
1308		1515
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1518
1312	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1313		1520
1314	return if $self->{deny_save};	1521	return if $self->{deny_save};
1315		1522
		1523	local $self->{last_access} = $self->last_access;#d#
		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1316	if ($uniq) {	1529	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1532	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1534	}
1322	}	1535	}
1323		1536
1324	sub swap_out {	1537	sub swap_out {
1325	my ($self) = @_;	1538	my ($self) = @_;
		1539
		1540	# save first because save cedes
		1541	$self->save;
		1542
		1543	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1544
1327	return if $self->players;	1545	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1547	return if $self->{deny_save};
1330		1548
1331	$self->save;
1332	$self->clear;	1549	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1550	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1551	}
1335		1552
1336	sub reset_at {	1553	sub reset_at {
1337	my ($self) = @_;	1554	my ($self) = @_;
1338		1555
1339	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1342		1559
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1562
…		…
1350	my ($self) = @_;	1567	my ($self) = @_;
1351		1568
1352	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1353	}	1570	}
1354		1571
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1572	sub reset {
1377	my ($self) = @_;	1573	my ($self) = @_;
1378		1574
		1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1576
1379	return if $self->players;	1577	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1381		1579
1382	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1383		1581
1384	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1385		1586
1386	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1387		1588
1388	$self->unlink_save;	1589	$self->unlink_save;
1389	$self->destroy;	1590	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1393		1594
1394	sub nuke {	1595	sub nuke {
1395	my ($self) = @_;	1596	my ($self) = @_;
1396		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1400	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1401	}	1611	}
1402		1612
1403	sub customise_for {	1613	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1614
1406	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1408	}
1409		1617
1410	$map	1618	=cut
1411	}
1412		1619
1413	sub emergency_save {	1620	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1415		1623
1416	warn "enter emergency map save\n";	1624	my @paths;
1417		1625
1418	cf::sync_job {	1626	for (@$files) {
1419	warn "begin emergency map save\n";	1627	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1421	};	1633	}
1422		1634
1423	warn "end emergency map save\n";	1635	\@paths
1424	}	1636	}
1425		1637
1426	package cf;	1638	package cf;
1427		1639
1428	=back	1640	=back
1429		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1430		1668
1431	=head3 cf::object::player	1669	=head3 cf::object::player
1432		1670
1433	=over 4	1671	=over 4
1434		1672
…		…
1474		1712
1475	=item $player_object->enter_link	1713	=item $player_object->enter_link
1476		1714
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1716
1479	The player should be reaosnably safe there for short amounts of time. You	1717	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1481		1719
		1720	Will never block.
		1721
1482	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1483		1723
1484	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1727	fails, to the emergency map position.
1488		1728
1489	Might block.	1729	Might block.
1490		1730
1491	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1492		1742
1493	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1744	my ($self) = @_;
1495		1745
1496	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1497		1747
1498	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1749
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1751	if $self->map;
1502		1752
1503	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1504	}	1754	}
1505		1755
1506	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1508		1758
1509	my $link_pos = delete $self->{_link_pos};	1759	my $link_pos = delete $self->{_link_pos};
1510		1760
1511	unless ($map) {	1761	unless ($map) {
1512	# restore original map position	1762	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1763	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1764	$map = cf::map::find $map;
1515		1765
1516	unless ($map) {	1766	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1767	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1768	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1769	or die "FATAL: cannot load emergency map\n";
1520	}	1770	}
1521	}	1771	}
1522		1772
1523	($x, $y) = (-1, -1)	1773	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1529		1779
1530	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1531		1782
		1783	return unless $self->contr->active;
1532	$self->activate_recursive;	1784	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1534	}	1786	}
1535		1787
1536	cf::player->attach (	1788	cf::player->attach (
…		…
1549		1801
1550	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1803	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1554	cf::async {	1806	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1807	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1559	};	1815	})->prio (2);
1560	}	1816	}
1561	},	1817	},
1562	);	1818	);
1563		1819
1564	=item $player_object->goto_map ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
1565		1821
1566	=cut	1822	=cut
1567		1823
1568	sub cf::object::player::goto_map {	1824	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1570		1826
1571	$self->enter_link;	1827	$self->enter_link;
1572		1828
1573	(cf::async {	1829	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find_map $path->as_string;	1830	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1578		1832
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1834	# if $map;
1581		1835
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1837
1584	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1839	})->prio (1);
1586	}	1840	}
1587		1841
…		…
1591		1845
1592	sub parse_random_map_params {	1846	sub parse_random_map_params {
1593	my ($spec) = @_;	1847	my ($spec) = @_;
1594		1848
1595	my $rmp = { # defaults	1849	my $rmp = { # defaults
1596	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1598	};	1854	};
1599		1855
1600	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1602		1858
…		…
1606	$rmp	1862	$rmp
1607	}	1863	}
1608		1864
1609	sub prepare_random_map {	1865	sub prepare_random_map {
1610	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1869
1612	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1872	# that depends on the exit object
1615		1873
…		…
1624		1882
1625	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1626		1884
1627	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1888
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1632		1893
1633	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1895	$exit->msg (undef);
1635	}	1896	}
1636	}	1897	}
…		…
1640		1901
1641	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1642		1903
1643	$self->enter_link;	1904	$self->enter_link;
1644		1905
1645	(cf::async {	1906	(async {
		1907	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1908	unless (eval {
1647	prepare_random_map $exit	1909	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1649		1911
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652		1914
1653	1;	1915	1;
1654	}) {	1916	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1921
1660	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1923	$self->leave_link;
1662	}	1924	}
…		…
1714	my ($ns, $msg) = @_;	1976	my ($ns, $msg) = @_;
1715		1977
1716	# this weird shuffling is so that direct followup queries	1978	# this weird shuffling is so that direct followup queries
1717	# get handled first	1979	# get handled first
1718	my $queue = delete $ns->{query_queue}	1980	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	1981	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		1982
1721	(shift @$queue)->[1]->($msg);	1983	(shift @$queue)->[1]->($msg);
1722		1984
1723	push @{ $ns->{query_queue} }, @$queue;	1985	push @{ $ns->{query_queue} }, @$queue;
1724		1986
…		…
1730	}	1992	}
1731	}	1993	}
1732	},	1994	},
1733	);	1995	);
1734		1996
1735	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1736		1998
1737	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2001	or loss of connection).
1740		2002
1741	=cut	2003	=cut
1742		2004
1743	sub cf::client::coro {	2005	sub cf::client::async {
1744	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1745		2007
1746	my $coro = &cf::async ($cb);	2008	my $coro = &Coro::async ($cb);
1747		2009
1748	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1750	});	2012	});
1751		2013
…		…
1945	sub db_sync() {	2207	sub db_sync() {
1946	db_save if $dirty;	2208	db_save if $dirty;
1947	undef $dirty;	2209	undef $dirty;
1948	}	2210	}
1949		2211
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1951	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1952	});	2219	);
1953		2220
1954	sub db_dirty() {	2221	sub db_dirty() {
1955	$dirty = 1;	2222	$dirty = 1;
1956	$idle->start;	2223	$idle->start;
1957	}	2224	}
…		…
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2254	or return;
1988		2255
1989	local $/;	2256	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
		2258
		2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
		2264	if (exists $CFG{mlockall}) {
		2265	eval {
		2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2267	and die "WARNING: m(un)lockall failed: $!\n";
		2268	};
		2269	warn $@ if $@;
		2270	}
1991	}	2271	}
1992		2272
1993	sub main {	2273	sub main {
1994	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	2277	(async {
1998	Event::one_event;	2278	Event::one_event;
1999	})->();	2279	})->prio (Coro::PRIO_MAX);
2000	};	2280	};
2001		2281
2002	cfg_load;	2282	cfg_load;
2003	db_load;	2283	db_load;
2004	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2005	Event::loop;	2287	Event::loop;
2006	}	2288	}
2007		2289
2008	#############################################################################	2290	#############################################################################
2009	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2010		2336
2011	sub reload() {	2337	sub reload() {
2012	# can/must only be called in main	2338	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2015	return;	2341	return;
2016	}	2342	}
2017		2343
2018	warn "reloading...";	2344	warn "reloading...";
2019		2345
2020	local $FREEZE = 1;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2021	cf::emergency_save;	2349	cf::emergency_save;
2022		2350
2023	eval {	2351	eval {
2024	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2025		2353
2026	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2360	}
2030		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2031	# cancel all extension coros	2370	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2372	%EXT_CORO = ();
2034		2373
2035	# unload all extensions	2374	warn "removing commands";
2036	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2038	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2039	}	2389	}
2040		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2041	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2398
2045	warn "removing <$k>";	2399	warn "... unloading $k";
2046	delete $INC{$k};	2400	delete $INC{$k};
2047		2401
2048	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2050		2404
…		…
2053	}	2407	}
2054		2408
2055	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2056	}	2410	}
2057		2411
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		2415
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2071		2418
2072	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2420	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2075		2422
2076	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2077	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2078	require cf;	2426	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2428
2081	# load config and database again	2429	warn "loading config and database again";
2082	cf::cfg_load;	2430	cf::cfg_load;
2083	cf::db_load;	2431	cf::db_load;
2084		2432
2085	# load extensions
2086	warn "load extensions";	2433	warn "loading extensions";
2087	cf::load_extensions;	2434	cf::load_extensions;
2088		2435
2089	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2092	};	2444	};
2093		2445
2094	if ($@) {	2446	if ($@) {
2095	warn $@;	2447	warn $@;
2096	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2097	exit 1;	2449	exit 1;
2098	}	2450	}
2099		2451
2100	warn "reloaded successfully";	2452	warn "reloaded";
2101	};	2453	};
2102		2454
2103	#############################################################################	2455	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2456
2148	register_command "reload" => sub {	2457	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2150		2459
2151	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2153	reload;	2471	reload;
2154	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2155	}	2475	}
2156	};	2476	};
2157		2477
2158	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2159		2481
2160	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2162	prio => 0,	2485	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2165	cb => sub {	2488	cb => sub {
2166	unless ($FREEZE) {	2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2167	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2169	}
2170
2171	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2172		2509
2173	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2512
2176	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2178	},	2515	},
2179	);	2516	);
2180		2517
2181	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2182		2519
2183	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2185	poll => 'r',	2524	poll => 'r',
2186	prio => 5,	2525	prio => 6,
2187	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2189	);	2528	);
2190		2529
2191	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2192	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2193	after => 0,	2533	after => 1,
2194	interval => 10,	2534	interval => 10,
2195	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2196	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2197	write_runtime	2537	write_runtime
2198	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2199	})->();
2200	},	2539	},
2201	);	2540	);
2202		2541
2203	END { cf::emergency_save }	2542	END { cf::emergency_save }
2204		2543

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines