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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.190 by root, Mon Jan 22 03:44:41 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	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1268	}
1163		1269
1164	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1165	# all maps in C++...	1271	# all maps in C++...
1166	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1168		1274
1169	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1171	}	1277	}
1172		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1173	sub try_load_header($) {	1287	sub load_header_from($) {
1174	my ($path) = @_;	1288	my ($self, $path) = @_;
1175		1289
1176	utf8::encode $path;	1290	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1178	or return;	1292	or return;
1179		1293
1180	my $map = cf::map::new	1294	$self->_load_header ($path)
1181	or return;	1295	or return;
1182		1296
1183	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1184	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1185		1343
1186	$map->{load_path} = $path;	1344	1
1187
1188	$map
1189	}	1345	}
1190		1346
1191	sub find_map;	1347	sub find;
1192	sub find_map {	1348	sub find {
1193	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1194		1350
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1352
1200	cf::lock_wait "map_find:$key";	1353	cf::lock_wait "map_find:$path";
1201		1354
1202	$cf::MAP{$key} || do {	1355	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1356	my $guard = cf::lock_acquire "map_find:$path";
1204		1357	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;	1358	or return;
1220		1359
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;	1360	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1361
		1362	$map->load_header
		1363	or return;
1233		1364
1234	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1368	$map->reset;
1236	undef $guard;	1369	undef $guard;
1237	$map = find_map $path	1370	$map = find $path
1238	or return;	1371	or return;
1239	}	1372	}
1240		1373
1241	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1242	}	1375	}
1243	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1244		1380
1245	sub load {	1381	sub load {
1246	my ($self) = @_;	1382	my ($self) = @_;
1247		1383
1248	my $path = $self->{path};	1384	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1385	my $guard = cf::lock_acquire "map_load:$path";
1250		1386
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1388
1253	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1254		1390
1255	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1256	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1396	or return;
1258		1397
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1399	if delete $self->{load_original};
1261		1400
1262	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1402	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1404	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1267	}	1406	}
1268	}	1407	}
		1408
		1409	Coro::cede;
1269		1410
1270	# now do the right thing for maps	1411	# now do the right thing for maps
1271	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1272		1413
1273	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1415	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1280	$self->set_darkness_map;	1419	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1283	$self->activate;	1423	$self->activate;
1284	}	1424	}
1285		1425
		1426	$self->post_load;
		1427
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1429	}
1288		1430
1289	sub load_map_sync {	1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1290	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1291		1466
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1293		1469
1294	cf::sync_job {	1470	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1471	my ($map) = @_;
1296	or return;	1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
1297	$map->load;	1494	$map->load;
1298	$map	1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
1299	}	1500	};
		1501	$MAP_PREFETCHER->prio (6);
		1502
		1503	()
1300	}	1504	}
1301		1505
1302	sub save {	1506	sub save {
1303	my ($self) = @_;	1507	my ($self) = @_;
1304		1508
		1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1510
1305	$self->{last_save} = $cf::RUNTIME;	1511	$self->{last_save} = $cf::RUNTIME;
1306		1512
1307	return unless $self->dirty;	1513	return unless $self->dirty;
1308		1514
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1515	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1516	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1517
1312	$self->{load_path} = $save;	1518	$self->{load_path} = $save;
1313		1519
1314	return if $self->{deny_save};	1520	return if $self->{deny_save};
1315		1521
		1522	local $self->{last_access} = $self->last_access;#d#
		1523
		1524	cf::async {
		1525	$_->contr->save for $self->players;
		1526	};
		1527
1316	if ($uniq) {	1528	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1531	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1533	}
1322	}	1534	}
1323		1535
1324	sub swap_out {	1536	sub swap_out {
1325	my ($self) = @_;	1537	my ($self) = @_;
1326		1538
1327	# save first because save cedes	1539	# save first because save cedes
1328	$self->save;	1540	$self->save;
		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1543
1330	return if $self->players;	1544	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1545	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1546	return if $self->{deny_save};
1333		1547
…		…
1337		1551
1338	sub reset_at {	1552	sub reset_at {
1339	my ($self) = @_;	1553	my ($self) = @_;
1340		1554
1341	# TODO: safety, remove and allow resettable per-player maps	1555	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1557	return 1e99 if $self->{deny_reset};
1344		1558
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1561
…		…
1352	my ($self) = @_;	1566	my ($self) = @_;
1353		1567
1354	$self->reset_at <= $cf::RUNTIME	1568	$self->reset_at <= $cf::RUNTIME
1355	}	1569	}
1356		1570
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1571	sub reset {
1379	my ($self) = @_;	1572	my ($self) = @_;
1380		1573
		1574	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1575
1381	return if $self->players;	1576	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1577	return if $self->isa ("ext::map_per_player");#d#
1383		1578
1384	warn "resetting map ", $self->path;#d#	1579	warn "resetting map ", $self->path;#d#
1385		1580
1386	delete $cf::MAP{$self->path};	1581	delete $cf::MAP{$self->path};
		1582
		1583	$self->in_memory (cf::MAP_SWAPPED);
		1584	$self->clear;
1387		1585
1388	$_->clear_links_to ($self) for values %cf::MAP;	1586	$_->clear_links_to ($self) for values %cf::MAP;
1389		1587
1390	$self->unlink_save;	1588	$self->unlink_save;
1391	$self->destroy;	1589	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1592	my $nuke_counter = "aaaa";
1395		1593
1396	sub nuke {	1594	sub nuke {
1397	my ($self) = @_;	1595	my ($self) = @_;
1398		1596
		1597	delete $cf::MAP{$self->path};
		1598
		1599	$self->unlink_save;
		1600
		1601	bless $self, "cf::map";
		1602	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1603	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1604	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1606
		1607	$cf::MAP{$self->path} = $self;
		1608
1402	$self->reset; # polite request, might not happen	1609	$self->reset; # polite request, might not happen
1403	}	1610	}
1404		1611
1405	sub customise_for {	1612	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1613
1408	if ($map->per_player) {	1614	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1615	instantiated unique items. May block.
1410	}
1411		1616
1412	$map	1617	=cut
1413	}
1414		1618
1415	sub emergency_save {	1619	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1621	or return;
1417		1622
1418	warn "enter emergency map save\n";	1623	my @paths;
1419		1624
1420	cf::sync_job {	1625	for (@$files) {
1421	warn "begin emergency map save\n";	1626	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1627	next if /\.pst$/;
		1628	next unless /^$PATH_SEP/o;
		1629
		1630	s/\.map$//;
		1631	push @paths, $_;
1423	};	1632	}
1424		1633
1425	warn "end emergency map save\n";	1634	\@paths
1426	}	1635	}
1427		1636
1428	package cf;	1637	package cf;
1429		1638
1430	=back	1639	=back
1431		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1432		1667
1433	=head3 cf::object::player	1668	=head3 cf::object::player
1434		1669
1435	=over 4	1670	=over 4
1436		1671
…		…
1476		1711
1477	=item $player_object->enter_link	1712	=item $player_object->enter_link
1478		1713
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1714	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1715
1481	The player should be reaosnably safe there for short amounts of time. You	1716	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1717	I<MUST> call C<leave_link> as soon as possible, though.
1483		1718
		1719	Will never block.
		1720
1484	=item $player_object->leave_link ($map, $x, $y)	1721	=item $player_object->leave_link ($map, $x, $y)
1485		1722
1486	Moves the player out of the specila link map onto the given map. If the	1723	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1724	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1725	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1726	fails, to the emergency map position.
1490		1727
1491	Might block.	1728	Might block.
1492		1729
1493	=cut	1730	=cut
		1731
		1732	sub link_map {
		1733	unless ($LINK_MAP) {
		1734	$LINK_MAP = cf::map::find "{link}"
		1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1736	$LINK_MAP->load;
		1737	}
		1738
		1739	$LINK_MAP
		1740	}
1494		1741
1495	sub cf::object::player::enter_link {	1742	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1743	my ($self) = @_;
1497		1744
1498	$self->deactivate_recursive;	1745	$self->deactivate_recursive;
1499		1746
1500	return if $self->map == $LINK_MAP;	1747	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1748
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1750	if $self->map;
1504		1751
1505	$self->enter_map ($LINK_MAP, 20, 20);	1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1506	}	1753	}
1507		1754
1508	sub cf::object::player::leave_link {	1755	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1756	my ($self, $map, $x, $y) = @_;
1510		1757
1511	my $link_pos = delete $self->{_link_pos};	1758	my $link_pos = delete $self->{_link_pos};
1512		1759
1513	unless ($map) {	1760	unless ($map) {
1514	# restore original map position	1761	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1762	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1763	$map = cf::map::find $map;
1517		1764
1518	unless ($map) {	1765	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1766	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1767	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1768	or die "FATAL: cannot load emergency map\n";
1522	}	1769	}
1523	}	1770	}
1524		1771
1525	($x, $y) = (-1, -1)	1772	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1775	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1776	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1777	if $x <=0 && $y <= 0;
1531		1778
1532	$map->load;	1779	$map->load;
		1780	$map->load_diag;
1533		1781
		1782	return unless $self->contr->active;
1534	$self->activate_recursive;	1783	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1784	$self->enter_map ($map, $x, $y);
1536	}	1785	}
1537		1786
1538	cf::player->attach (	1787	cf::player->attach (
…		…
1551		1800
1552	# try to abort aborted map switching on player login :)	1801	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1802	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1803	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1804	$pl->ob->enter_link;
1556	cf::async {	1805	(async {
1557	# we need this sleep as the login has a concurrent enter_exit running	1806	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1807	# and this sleep increases chances of the player not ending up in scorn
		1808	$pl->ob->reply (undef,
		1809	"There was an internal problem at your last logout, "
		1810	. "the server will try to bring you to your intended destination in a second.",
		1811	cf::NDI_RED);
1559	Coro::Timer::sleep 1;	1812	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1813	$pl->ob->leave_link;
1561	};	1814	})->prio (2);
1562	}	1815	}
1563	},	1816	},
1564	);	1817	);
1565		1818
1566	=item $player_object->goto_map ($path, $x, $y)	1819	=item $player_object->goto ($path, $x, $y)
1567		1820
1568	=cut	1821	=cut
1569		1822
1570	sub cf::object::player::goto_map {	1823	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1824	my ($self, $path, $x, $y) = @_;
1572		1825
1573	$self->enter_link;	1826	$self->enter_link;
1574		1827
1575	(cf::async {	1828	(async {
1576	$path = new cf::path $path;
1577
1578	my $map = cf::map::find_map $path->as_string;	1829	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1830	$map = $map->customise_for ($self) if $map;
1580		1831
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1832	# warn "entering ", $map->path, " at ($x, $y)\n"
1582	# if $map;	1833	# if $map;
1583		1834
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1836
1586	$self->leave_link ($map, $x, $y);	1837	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1838	})->prio (1);
1588	}	1839	}
1589		1840
…		…
1593		1844
1594	sub parse_random_map_params {	1845	sub parse_random_map_params {
1595	my ($spec) = @_;	1846	my ($spec) = @_;
1596		1847
1597	my $rmp = { # defaults	1848	my $rmp = { # defaults
1598	xsize => 10,	1849	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1850	ysize => (cf::rndm 15, 40),
		1851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1852	#layout => string,
1600	};	1853	};
1601		1854
1602	for (split /\n/, $spec) {	1855	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1856	my ($k, $v) = split /\s+/, $_, 2;
1604		1857
…		…
1608	$rmp	1861	$rmp
1609	}	1862	}
1610		1863
1611	sub prepare_random_map {	1864	sub prepare_random_map {
1612	my ($exit) = @_;	1865	my ($exit) = @_;
		1866
		1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1868
1614	# all this does is basically replace the /! path by	1869	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1870	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1871	# that depends on the exit object
1617		1872
…		…
1626		1881
1627	$rmp->{random_seed} ||= $exit->random_seed;	1882	$rmp->{random_seed} ||= $exit->random_seed;
1628		1883
1629	my $data = cf::to_json $rmp;	1884	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1885	my $md5 = Digest::MD5::md5_hex $data;
		1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1887
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1889	aio_write $fh, 0, (length $data), $data, 0;
		1890	undef $fh;
		1891	aio_rename "$meta~", $meta;
1634		1892
1635	$exit->slaying ("?random/$md5");	1893	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1894	$exit->msg (undef);
1637	}	1895	}
1638	}	1896	}
…		…
1642		1900
1643	return unless $self->type == cf::PLAYER;	1901	return unless $self->type == cf::PLAYER;
1644		1902
1645	$self->enter_link;	1903	$self->enter_link;
1646		1904
1647	(cf::async {	1905	(async {
		1906	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1907	unless (eval {
1649	prepare_random_map $exit	1908	prepare_random_map $exit
1650	if $exit->slaying eq "/!";	1909	if $exit->slaying eq "/!";
1651		1910
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1654		1913
1655	1;	1914	1;
1656	}) {	1915	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1916	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1917	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1918	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1919	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1920
1662	warn "ERROR in enter_exit: $@";	1921	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1922	$self->leave_link;
1664	}	1923	}
…		…
1732	}	1991	}
1733	}	1992	}
1734	},	1993	},
1735	);	1994	);
1736		1995
1737	=item $client->coro (\&cb)	1996	=item $client->async (\&cb)
1738		1997
1739	Create a new coroutine, running the specified callback. The coroutine will	1998	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	1999	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2000	or loss of connection).
1742		2001
1743	=cut	2002	=cut
1744		2003
1745	sub cf::client::coro {	2004	sub cf::client::async {
1746	my ($self, $cb) = @_;	2005	my ($self, $cb) = @_;
1747		2006
1748	my $coro = &cf::async ($cb);	2007	my $coro = &Coro::async ($cb);
1749		2008
1750	$coro->on_destroy (sub {	2009	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2010	delete $self->{_coro}{$coro+0};
1752	});	2011	});
1753		2012
…		…
1947	sub db_sync() {	2206	sub db_sync() {
1948	db_save if $dirty;	2207	db_save if $dirty;
1949	undef $dirty;	2208	undef $dirty;
1950	}	2209	}
1951		2210
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2211	my $idle = Event->idle (
1953	db_sync;	2212	reentrant => 0,
		2213	min => 10,
		2214	max => 20,
		2215	repeat => 0,
		2216	data => WF_AUTOCANCEL,
		2217	cb => \&db_sync,
1954	});	2218	);
1955		2219
1956	sub db_dirty() {	2220	sub db_dirty() {
1957	$dirty = 1;	2221	$dirty = 1;
1958	$idle->start;	2222	$idle->start;
1959	}	2223	}
…		…
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2252	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2253	or return;
1990		2254
1991	local $/;	2255	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2256	*CFG = YAML::Syck::Load <$fh>;
		2257
		2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2259
		2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2262
		2263	if (exists $CFG{mlockall}) {
		2264	eval {
		2265	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2266	and die "WARNING: m(un)lockall failed: $!\n";
		2267	};
		2268	warn $@ if $@;
		2269	}
1993	}	2270	}
1994		2271
1995	sub main {	2272	sub main {
1996	# we must not ever block the main coroutine	2273	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2274	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2276	(async {
2000	Event::one_event;	2277	Event::one_event;
2001	})->();	2278	})->prio (Coro::PRIO_MAX);
2002	};	2279	};
2003		2280
2004	cfg_load;	2281	cfg_load;
2005	db_load;	2282	db_load;
2006	load_extensions;	2283	load_extensions;
		2284
		2285	$TICK_WATCHER->start;
2007	Event::loop;	2286	Event::loop;
2008	}	2287	}
2009		2288
2010	#############################################################################	2289	#############################################################################
2011	# initialisation	2290	# initialisation and cleanup
		2291
		2292	# install some emergency cleanup handlers
		2293	BEGIN {
		2294	for my $signal (qw(INT HUP TERM)) {
		2295	Event->signal (
		2296	reentrant => 0,
		2297	data => WF_AUTOCANCEL,
		2298	signal => $signal,
		2299	cb => sub {
		2300	cf::cleanup "SIG$signal";
		2301	},
		2302	);
		2303	}
		2304	}
		2305
		2306	sub emergency_save() {
		2307	my $freeze_guard = cf::freeze_mainloop;
		2308
		2309	warn "enter emergency perl save\n";
		2310
		2311	cf::sync_job {
		2312	# use a peculiar iteration method to avoid tripping on perl
		2313	# refcount bugs in for. also avoids problems with players
		2314	# and maps saved/destroyed asynchronously.
		2315	warn "begin emergency player save\n";
		2316	for my $login (keys %cf::PLAYER) {
		2317	my $pl = $cf::PLAYER{$login} or next;
		2318	$pl->valid or next;
		2319	$pl->save;
		2320	}
		2321	warn "end emergency player save\n";
		2322
		2323	warn "begin emergency map save\n";
		2324	for my $path (keys %cf::MAP) {
		2325	my $map = $cf::MAP{$path} or next;
		2326	$map->valid or next;
		2327	$map->save;
		2328	}
		2329	warn "end emergency map save\n";
		2330	};
		2331
		2332	warn "leave emergency perl save\n";
		2333	}
2012		2334
2013	sub reload() {	2335	sub reload() {
2014	# can/must only be called in main	2336	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2337	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2338	warn "can only reload from main coroutine";
2017	return;	2339	return;
2018	}	2340	}
2019		2341
2020	warn "reloading...";	2342	warn "reloading...";
2021		2343
2022	local $FREEZE = 1;	2344	warn "cancelling server ticker";
		2345	$TICK_WATCHER->cancel;
		2346
2023	cf::emergency_save;	2347	cf::emergency_save;
2024		2348
2025	eval {	2349	eval {
2026	# if anything goes wrong in here, we should simply crash as we already saved	2350	# if anything goes wrong in here, we should simply crash as we already saved
2027		2351
2028	# cancel all watchers	2352	warn "syncing database to disk";
		2353	cf::db_sync;
		2354
		2355	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2356	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2358	}
2032		2359
		2360	warn "flushing outstanding aio requests";
		2361	for (;;) {
		2362	IO::AIO::flush;
		2363	Coro::cede;
		2364	last unless IO::AIO::nreqs;
		2365	warn "iterate...";
		2366	}
		2367
2033	# cancel all extension coros	2368	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2369	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2370	%EXT_CORO = ();
2036		2371
2037	# unload all extensions	2372	warn "removing commands";
2038	for (@exts) {	2373	%COMMAND = ();
		2374
		2375	warn "removing ext commands";
		2376	%EXTCMD = ();
		2377
		2378	warn "unloading/nuking all extensions";
		2379	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2380	warn "... unloading $pkg";
2040	unload_extension $_;	2381
		2382	if (my $cb = $pkg->can ("unload")) {
		2383	eval {
		2384	$cb->($pkg);
		2385	1
		2386	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2387	}
2042		2388
		2389	warn "... nuking $pkg";
		2390	Symbol::delete_package $pkg;
		2391	}
		2392
2043	# unload all modules loaded from $LIBDIR	2393	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2394	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2395	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2396
2047	warn "removing <$k>";	2397	warn "... unloading $k";
2048	delete $INC{$k};	2398	delete $INC{$k};
2049		2399
2050	$k =~ s/\.pm$//;	2400	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2401	$k =~ s/\//::/g;
2052		2402
…		…
2055	}	2405	}
2056		2406
2057	Symbol::delete_package $k;	2407	Symbol::delete_package $k;
2058	}	2408	}
2059		2409
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2410	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2411	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2413
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2414	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2415	delete $INC{"cf.pm"};
2073		2416
2074	# don't, removes xs symbols, too,	2417	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2418	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2419	#Symbol::delete_package __PACKAGE__;
2077		2420
2078	# reload cf.pm	2421	warn "unload completed, starting to reload now";
		2422
2079	warn "reloading cf.pm";	2423	warn "reloading cf.pm";
2080	require cf;	2424	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2426
2083	# load config and database again	2427	warn "loading config and database again";
2084	cf::cfg_load;	2428	cf::cfg_load;
2085	cf::db_load;	2429	cf::db_load;
2086		2430
2087	# load extensions
2088	warn "load extensions";	2431	warn "loading extensions";
2089	cf::load_extensions;	2432	cf::load_extensions;
2090		2433
2091	# reattach attachments to objects	2434	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2435	_global_reattach;
		2436	warn "reattaching attachments to maps";
		2437	reattach $_ for values %MAP;
		2438
		2439	warn "restarting server ticker";
		2440
		2441	$TICK_WATCHER->start;
2094	};	2442	};
2095		2443
2096	if ($@) {	2444	if ($@) {
2097	warn $@;	2445	warn $@;
2098	warn "error while reloading, exiting.";	2446	warn "error while reloading, exiting.";
2099	exit 1;	2447	exit 1;
2100	}	2448	}
2101		2449
2102	warn "reloaded successfully";	2450	warn "reloaded";
2103	};	2451	};
2104		2452
2105	#############################################################################	2453	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2454
2150	register_command "reload" => sub {	2455	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
2152		2457
2153	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2459	$who->message ("reloading server.");
		2460
		2461	# doing reload synchronously and two reloads happen back-to-back,
		2462	# coro crashes during coro_state_free->destroy here.
		2463
		2464	$RELOAD_WATCHER ||= Event->timer (
		2465	reentrant => 0,
		2466	after => 0,
		2467	data => WF_AUTOCANCEL,
		2468	cb => sub {
2155	reload;	2469	reload;
2156	$who->message ("end of reload.");	2470	undef $RELOAD_WATCHER;
		2471	},
		2472	);
2157	}	2473	}
2158	};	2474	};
2159		2475
2160	unshift @INC, $LIBDIR;	2476	unshift @INC, $LIBDIR;
		2477
		2478	my $bug_warning = 0;
2161		2479
2162	$TICK_WATCHER = Event->timer (	2480	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2481	reentrant => 0,
		2482	parked => 1,
2164	prio => 0,	2483	prio => -1,
2165	at => $NEXT_TICK || $TICK,	2484	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2167	cb => sub {	2486	cb => sub {
2168	unless ($FREEZE) {	2487	if ($Coro::current != $Coro::main) {
		2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2489	unless ++$bug_warning > 10;
		2490	return;
		2491	}
		2492
		2493	$NOW = Event::time;
		2494
2169	cf::server_tick; # one server iteration	2495	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2496	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2497	$NEXT_TICK += $TICK;
		2498
		2499	$WAIT_FOR_TICK->broadcast;
		2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2501
		2502	my $AFTER = Event::time;
		2503	warn $AFTER - $NOW;#d#
2174		2504
2175	# if we are delayed by four ticks or more, skip them all	2505	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2507
2178	$TICK_WATCHER->at ($NEXT_TICK);	2508	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2180	},	2510	},
2181	);	2511	);
2182		2512
2183	IO::AIO::max_poll_time $TICK * 0.2;	2513	IO::AIO::max_poll_time $TICK * 0.2;
2184		2514
2185	Event->io (	2515	undef $Coro::AIO::WATCHER;
		2516	$AIO_POLL_WATCHER = Event->io (
		2517	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2518	fd => IO::AIO::poll_fileno,
2187	poll => 'r',	2519	poll => 'r',
2188	prio => 5,	2520	prio => 6,
2189	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,	2522	cb => \&IO::AIO::poll_cb,
2191	);	2523	);
2192		2524
2193	Event->timer (	2525	$WRITE_RUNTIME_WATCHER = Event->timer (
		2526	reentrant => 0,
2194	data => WF_AUTOCANCEL,	2527	data => WF_AUTOCANCEL,
2195	after => 0,	2528	after => 1,
2196	interval => 10,	2529	interval => 10,
2197	cb => sub {	2530	prio => 6, # keep it lowest so it acts like a watchdog
2198	(Coro::unblock_sub {	2531	cb => Coro::unblock_sub {
2199	write_runtime	2532	write_runtime
2200	or warn "ERROR: unable to write runtime file: $!";	2533	or warn "ERROR: unable to write runtime file: $!";
2201	})->();
2202	},	2534	},
2203	);	2535	);
2204		2536
2205	END { cf::emergency_save }	2537	END { cf::emergency_save }
2206		2538

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