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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.175 by root, Sun Jan 14 21:20:51 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	}
		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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
341	}	368	}
342		369
343	=back	370	=back
344		371
345	=cut	372	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		373
467	#############################################################################	374	#############################################################################
468		375
469	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
470		377
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	504	our @CB_MAP = ();
598		505
599	my %attachment;	506	my %attachment;
600		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
601	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
603		516
604	use sort 'stable';	517	use sort 'stable';
605		518
…		…
776	# object support	689	# object support
777		690
778	sub reattach {	691	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		696
782	my $registry = $obj->registry;	697	my $registry = $obj->registry;
783		698
784	@$registry = ();	699	@$registry = ();
785		700
…		…
917	=cut	832	=cut
918		833
919	sub register_extcmd {	834	sub register_extcmd {
920	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
921		836
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
926	}	838	}
927		839
928	cf::player->attach (	840	cf::player->attach (
929	on_command => sub {	841	on_command => sub {
930	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
943		855
944	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
945		857
946	if (ref $msg) {	858	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	862	}
951	}	863	}
952	} else {	864	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		867
956	cf::override;	868	cf::override;
957	},	869	},
958	);	870	);
959		871
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	872	sub load_extension {
967	my ($path) = @_;	873	my ($path) = @_;
968		874
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	876	my $base = $1;
971	my $pkg = $1;	877	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
974		880
975	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
976		882
977	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
978	or die "$path: $!";	884	or die "$path: $!";
979		885
980	my $source =	886	my $source =
981	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
984	. "\n};\n1";	890	. "\n};\n1";
985		891
986	eval $source	892	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	894	: "extension disabled.\n";
989		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	896	warn $@;
991	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
992		898	exit 1;
993	# no strict 'refs';	899	}
994	# @{"$pkg\::ISA"} = ext::;	900	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	901	}
1009		902
1010	# remove commands	903	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	904	}
1035		905
1036	sub load_extensions {	906	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	908	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1043	}	913	}
1044	}	914	}
1045		915
1046	#############################################################################	916	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		917
1084	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1085		919
1086	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1087		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1088	=head3 cf::player	928	=head3 cf::player
1089		929
1090	=over 4	930	=over 4
1091		931
1092	=item cf::player::exists $login	932	=item cf::player::find $login
1093		933
1094	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1095		935
1096	=cut	936	=cut
1097		937
1098	sub cf::player::exists($) {	938	sub playerdir($) {
1099	cf::player::find $_[0]	939	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} || do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} || do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
1101	}	1085	}
1102		1086
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1088
1105	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1106		1090
1107	=cut	1091	=cut
1108		1092
1109	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1111		1095
1112	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1113		1097
1114	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1115	}	1099	}
		1100
		1101	package cf;
1116		1102
1117	=back	1103	=back
1118		1104
1119		1105
1120	=head3 cf::map	1106	=head3 cf::map
…		…
1126	package cf::map;	1112	package cf::map;
1127		1113
1128	use Fcntl;	1114	use Fcntl;
1129	use Coro::AIO;	1115	use Coro::AIO;
1130		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1131	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1133		1123
1134	sub generate_random_map {	1124	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1136		1126
1137	# mit "rum" bekleckern, nicht	1127	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1128	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1132	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1133	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1137	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1139	(cf::region::find $rmp->{region}), $rmp->{custom}
		1140	)
		1141	}
		1142
		1143	sub register {
		1144	my (undef, $regex) = @_;
		1145	my $pkg = caller;
		1146
		1147	no strict;
		1148	push @{"$pkg\::ISA"}, __PACKAGE__;
		1149
		1150	$EXT_MAP{$pkg} = qr<$regex>;
		1151	}
		1152
		1153	# also paths starting with '/'
		1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1155
		1156	sub thawer_merge {
		1157	my ($self, $merge) = @_;
		1158
		1159	# we have to keep some variables in memory intact
		1160	local $self->{path};
		1161	local $self->{load_path};
		1162	local $self->{deny_save};
		1163	local $self->{deny_reset};
		1164
		1165	$self->SUPER::thawer_merge ($merge);
		1166	}
		1167
		1168	sub normalise {
		1169	my ($path, $base) = @_;
		1170
		1171	# map plan:
		1172	#
		1173	# /! non-realised random map exit (special hack!)
		1174	# {... are special paths that are not being touched
		1175	# ?xxx/... are special absolute paths
		1176	# ?random/... random maps
		1177	# /... normal maps
		1178	# ~user/... per-player map of a specific user
		1179
		1180	$path =~ s/$PATH_SEP/\//go;
		1181
		1182	# treat it as relative path if it starts with
		1183	# something that looks reasonable
		1184	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1185	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1186
		1187	$base =~ s{[^/]+/?$}{};
		1188	$path = "$base/$path";
		1189	}
		1190
		1191	for ($path) {
		1192	redo if s{//}{/};
		1193	redo if s{/\.?/}{/};
		1194	redo if s{/[^/]+/\.\./}{/};
		1195	}
		1196
		1197	$path
		1198	}
		1199
		1200	sub new_from_path {
		1201	my (undef, $path, $base) = @_;
		1202
		1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1204
		1205	$path = normalise $path, $base;
		1206
		1207	for my $pkg (keys %EXT_MAP) {
		1208	if ($path =~ $EXT_MAP{$pkg}) {
		1209	my $self = bless cf::map::new, $pkg;
		1210	$self->{path} = $path; $self->path ($path);
		1211	$self->init; # pass $1 etc.
		1212	return $self;
		1213	}
		1214	}
		1215
		1216	Carp::carp "unable to resolve path '$path'.";
		1217	()
		1218	}
		1219
		1220	sub init {
		1221	my ($self) = @_;
		1222
		1223	$self
		1224	}
		1225
		1226	sub as_string {
		1227	my ($self) = @_;
		1228
		1229	"$self->{path}"
		1230	}
		1231
		1232	# the displayed name, this is a one way mapping
		1233	sub visible_name {
		1234	&as_string
		1235	}
		1236
		1237	# the original (read-only) location
		1238	sub load_path {
		1239	my ($self) = @_;
		1240
		1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1242	}
		1243
		1244	# the temporary/swap location
		1245	sub save_path {
		1246	my ($self) = @_;
		1247
		1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1250	}
		1251
		1252	# the unique path, undef == no special unique path
		1253	sub uniq_path {
		1254	my ($self) = @_;
		1255
		1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1258	}
1152		1259
1153	# and all this just because we cannot iterate over	1260	# and all this just because we cannot iterate over
1154	# all maps in C++...	1261	# all maps in C++...
1155	sub change_all_map_light {	1262	sub change_all_map_light {
…		…
1157		1264
1158	$_->change_map_light ($change)	1265	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1266	for grep $_->outdoor, values %cf::MAP;
1160	}	1267	}
1161		1268
		1269	sub unlink_save {
		1270	my ($self) = @_;
		1271
		1272	utf8::encode (my $save = $self->save_path);
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1274	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1275	}
		1276
1162	sub try_load_header($) {	1277	sub load_header_from($) {
1163	my ($path) = @_;	1278	my ($self, $path) = @_;
1164		1279
1165	utf8::encode $path;	1280	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1281	aio_open $path, O_RDONLY, 0
1167	or return;	1282	or return;
1168		1283
1169	my $map = cf::map::new	1284	$self->_load_header ($path)
1170	or return;	1285	or return;
1171		1286
1172	$map->load_header ($path)	1287	$self->{load_path} = $path;
		1288
		1289	1
		1290	}
		1291
		1292	sub load_orig {
		1293	my ($self) = @_;
		1294
		1295	$self->load_header_from ($self->load_path)
		1296	}
		1297
		1298	sub load_temp {
		1299	my ($self) = @_;
		1300
		1301	$self->load_header_from ($self->save_path)
		1302	}
		1303
		1304	sub load_header {
		1305	my ($self) = @_;
		1306
		1307	if ($self->load_temp) {
		1308	$self->last_access ((delete $self->{last_access})
		1309	|| $cf::RUNTIME); #d#
		1310	# safety
		1311	$self->{instantiate_time} = $cf::RUNTIME
		1312	if $self->{instantiate_time} > $cf::RUNTIME;
		1313	} else {
		1314	$self->load_orig
1173	or return;	1315	or return;
1174		1316
1175	$map->{load_path} = $path;	1317	$self->{load_original} = 1;
		1318	$self->{instantiate_time} = $cf::RUNTIME;
		1319	$self->last_access ($cf::RUNTIME);
		1320	$self->instantiate;
		1321	}
1176		1322
1177	$map	1323	1
1178	}	1324	}
1179		1325
		1326	sub find;
1180	sub find_map {	1327	sub find {
1181	my ($path, $origin) = @_;	1328	my ($path, $origin) = @_;
1182		1329
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1330	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1331
1188	cf::lock_wait "map_find:$key";	1332	cf::lock_wait "map_find:$path";
1189		1333
1190	$cf::MAP{$key} || do {	1334	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1335	my $guard = cf::lock_acquire "map_find:$path";
1192		1336	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1337	or return;
1208		1338
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1339	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1340
		1341	$map->load_header
		1342	or return;
1221		1343
1222	if ($map->should_reset) {	1344	if ($map->should_reset) {
		1345	$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1346	$map->reset;
		1347	undef $guard;
1224	$map = find_map $path;	1348	$map = find $path
		1349	or return;
1225	}	1350	}
1226		1351
1227	$cf::MAP{$key} = $map	1352	$cf::MAP{$path} = $map
1228	}	1353	}
1229	}	1354	}
1230		1355
1231	sub load {	1356	sub load {
1232	my ($self) = @_;	1357	my ($self) = @_;
1233		1358
1234	my $path = $self->{path};	1359	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1360	my $guard = cf::lock_acquire "map_load:$path";
1236		1361
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1362	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1363
1239	$self->in_memory (cf::MAP_LOADING);	1364	$self->in_memory (cf::MAP_LOADING);
1240		1365
1241	$self->alloc;	1366	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	1367	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1368	or return;
1244		1369
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1371	if delete $self->{load_original};
1247		1372
1248	if (my $uniq = $path->uniq_path) {	1373	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1374	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1375	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1376	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1377	$self->_load_objects ($uniq, 0);
1253	}	1378	}
1254	}	1379	}
		1380
		1381	Coro::cede;
1255		1382
1256	# now do the right thing for maps	1383	# now do the right thing for maps
1257	$self->link_multipart_objects;	1384	$self->link_multipart_objects;
1258		1385
1259	if ($self->{path}->is_style_map) {	1386	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1387	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1388	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1389	$self->update_buttons;
		1390	Coro::cede;
1266	$self->set_darkness_map;	1391	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1392	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1393	unless $self->difficulty;
		1394	Coro::cede;
1269	$self->activate;	1395	$self->activate;
1270	}	1396	}
1271		1397
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1398	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1399	}
1274		1400
1275	sub load_map_sync {	1401	sub customise_for {
		1402	my ($self, $ob) = @_;
		1403
		1404	return find "~" . $ob->name . "/" . $self->{path}
		1405	if $self->per_player;
		1406
		1407	$self
		1408	}
		1409
		1410	# find and load all maps in the 3x3 area around a map
		1411	sub load_diag {
		1412	my ($map) = @_;
		1413
		1414	my @diag; # diagonal neighbours
		1415
		1416	for (0 .. 3) {
		1417	my $neigh = $map->tile_path ($_)
		1418	or next;
		1419	$neigh = find $neigh, $map
		1420	or next;
		1421	$neigh->load;
		1422
		1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1425	}
		1426
		1427	for (@diag) {
		1428	my $neigh = find @$_
		1429	or next;
		1430	$neigh->load;
		1431	}
		1432	}
		1433
		1434	sub find_sync {
1276	my ($path, $origin) = @_;	1435	my ($path, $origin) = @_;
1277		1436
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1437	cf::sync_job { find $path, $origin }
		1438	}
1279		1439
1280	cf::sync_job {	1440	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1441	my ($map) = @_;
		1442
		1443	cf::sync_job { $map->load };
		1444	}
		1445
		1446	our %MAP_PREFETCH;
		1447	our $MAP_PREFETCHER = Coro::async {
		1448	while () {
		1449	for my $path (keys %MAP_PREFETCH) {
		1450	my $map = find $path
1282	or return;	1451	or next;
1283	$map->load;	1452	$map->load;
1284	$map	1453
		1454	delete $MAP_PREFETCH{$path};
		1455	}
		1456	Coro::schedule;
1285	}	1457	}
		1458	};
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	$MAP_PREFETCH{$path} = 0;
		1470	$MAP_PREFETCHER->ready;
		1471
		1472	()
1286	}	1473	}
1287		1474
1288	sub save {	1475	sub save {
1289	my ($self) = @_;	1476	my ($self) = @_;
1290		1477
		1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1479
1291	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1292		1481
1293	return unless $self->dirty;	1482	return unless $self->dirty;
1294		1483
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1484	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1486
1298	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1299		1488
1300	return if $self->{deny_save};	1489	return if $self->{deny_save};
1301		1490
		1491	local $self->{last_access} = $self->last_access;#d#
		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1302	if ($uniq) {	1497	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1500	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1502	}
1308	}	1503	}
1309		1504
1310	sub swap_out {	1505	sub swap_out {
1311	my ($self) = @_;	1506	my ($self) = @_;
		1507
		1508	# save first because save cedes
		1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1512
1313	return if $self->players;	1513	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1515	return if $self->{deny_save};
1316		1516
1317	$self->save;
1318	$self->clear;	1517	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1518	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1519	}
1321		1520
1322	sub reset_at {	1521	sub reset_at {
1323	my ($self) = @_;	1522	my ($self) = @_;
1324		1523
1325	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1328		1527
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1530
…		…
1336	my ($self) = @_;	1535	my ($self) = @_;
1337		1536
1338	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1339	}	1538	}
1340		1539
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1540	sub reset {
1363	my ($self) = @_;	1541	my ($self) = @_;
1364		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1365	return if $self->players;	1545	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1367		1547
1368	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1369		1549
1370	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1371		1554
1372	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1373		1556
1374	$self->unlink_save;	1557	$self->unlink_save;
1375	$self->destroy;	1558	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1561	my $nuke_counter = "aaaa";
1379		1562
1380	sub nuke {	1563	sub nuke {
1381	my ($self) = @_;	1564	my ($self) = @_;
1382		1565
		1566	delete $cf::MAP{$self->path};
		1567
		1568	$self->unlink_save;
		1569
		1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1572	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1573	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1575
		1576	$cf::MAP{$self->path} = $self;
		1577
1386	$self->reset; # polite request, might not happen	1578	$self->reset; # polite request, might not happen
1387	}	1579	}
1388		1580
1389	sub customise_for {	1581	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1582
1392	if ($map->per_player) {	1583	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1584	instantiated unique items. May block.
1394	}
1395		1585
1396	$map	1586	=cut
1397	}
1398		1587
1399	sub emergency_save {	1588	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
1401		1591
1402	warn "enter emergency map save\n";	1592	my @paths;
1403		1593
1404	cf::sync_job {	1594	for (@$files) {
1405	warn "begin emergency map save\n";	1595	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1407	};	1601	}
1408		1602
1409	warn "end emergency map save\n";	1603	\@paths
1410	}	1604	}
1411		1605
1412	package cf;	1606	package cf;
1413		1607
1414	=back	1608	=back
1415		1609
		1610	=head3 cf::object
		1611
		1612	=cut
		1613
		1614	package cf::object;
		1615
		1616	=over 4
		1617
		1618	=item $ob->inv_recursive
		1619
		1620	Returns the inventory of the object _and_ their inventories, recursively.
		1621
		1622	=cut
		1623
		1624	sub inv_recursive_;
		1625	sub inv_recursive_ {
		1626	map { $_, inv_recursive_ $_->inv } @_
		1627	}
		1628
		1629	sub inv_recursive {
		1630	inv_recursive_ inv $_[0]
		1631	}
		1632
		1633	package cf;
		1634
		1635	=back
1416		1636
1417	=head3 cf::object::player	1637	=head3 cf::object::player
1418		1638
1419	=over 4	1639	=over 4
1420		1640
…		…
1460		1680
1461	=item $player_object->enter_link	1681	=item $player_object->enter_link
1462		1682
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1683	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1684
1465	The player should be reaosnably safe there for short amounts of time. You	1685	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1686	I<MUST> call C<leave_link> as soon as possible, though.
1467		1687
		1688	Will never block.
		1689
1468	=item $player_object->leave_link ($map, $x, $y)	1690	=item $player_object->leave_link ($map, $x, $y)
1469		1691
1470	Moves the player out of the specila link map onto the given map. If the	1692	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1693	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1694	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1695	fails, to the emergency map position.
1474		1696
1475	Might block.	1697	Might block.
1476		1698
1477	=cut	1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($LINK_MAP) {
		1703	$LINK_MAP = cf::map::find "{link}"
		1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1705	$LINK_MAP->load;
		1706	}
		1707
		1708	$LINK_MAP
		1709	}
1478		1710
1479	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1712	my ($self) = @_;
1481		1713
1482	$self->deactivate_recursive;	1714	$self->deactivate_recursive;
1483		1715
1484	return if $self->map == $LINK_MAP;	1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1717
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1719	if $self->map;
1488		1720
1489	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1490	}	1722	}
1491		1723
1492	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1494		1726
1495	my $link_pos = delete $self->{_link_pos};	1727	my $link_pos = delete $self->{_link_pos};
1496		1728
1497	unless ($map) {	1729	unless ($map) {
1498	# restore original map position	1730	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1731	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1732	$map = cf::map::find $map;
1501		1733
1502	unless ($map) {	1734	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1735	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1736	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1737	or die "FATAL: cannot load emergency map\n";
1506	}	1738	}
1507	}	1739	}
1508		1740
1509	($x, $y) = (-1, -1)	1741	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1515		1747
1516	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1517		1750
		1751	return unless $self->contr->active;
1518	$self->activate_recursive;	1752	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1520	}	1754	}
1521		1755
1522	cf::player->attach (	1756	cf::player->attach (
…		…
1535		1769
1536	# try to abort aborted map switching on player login :)	1770	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1771	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1772	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1773	$pl->ob->enter_link;
1540	Coro::async {	1774	(async {
1541	# we need this sleep as the login has a concurrent enter_exit running	1775	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1776	# and this sleep increases chances of the player not ending up in scorn
		1777	$pl->ob->reply (undef,
		1778	"There was an internal problem at your last logout, "
		1779	. "the server will try to bring you to your intended destination in a second.",
		1780	cf::NDI_RED);
1543	Coro::Timer::sleep 1;	1781	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1782	$pl->ob->leave_link;
1545	};	1783	})->prio (2);
1546	}	1784	}
1547	},	1785	},
1548	);	1786	);
1549		1787
1550	=item $player_object->goto_map ($path, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1551		1789
1552	=cut	1790	=cut
1553		1791
1554	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1556		1794
1557	$self->enter_link;	1795	$self->enter_link;
1558		1796
1559	(Coro::async {	1797	(async {
1560	$path = new cf::path $path;
1561
1562	my $map = cf::map::find_map $path->as_string;	1798	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1564		1800
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1566	# if $map;	1802	# if $map;
1567		1803
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1805
1570	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1807	})->prio (1);
1572	}	1808	}
1573		1809
…		…
1626		1862
1627	return unless $self->type == cf::PLAYER;	1863	return unless $self->type == cf::PLAYER;
1628		1864
1629	$self->enter_link;	1865	$self->enter_link;
1630		1866
1631	(Coro::async {	1867	(async {
		1868	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1869	unless (eval {
1633
1634	prepare_random_map $exit	1870	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	1871	if $exit->slaying eq "/!";
1636		1872
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639		1875
1640	1;	1876	1;
1641	}) {	1877	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1878	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	1879	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	1880	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	1881	cf::NDI_UNIQUE | cf::NDI_RED);
1646		1882
1647	warn "ERROR in enter_exit: $@";	1883	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1884	$self->leave_link;
1649	}	1885	}
…		…
1700	on_reply => sub {	1936	on_reply => sub {
1701	my ($ns, $msg) = @_;	1937	my ($ns, $msg) = @_;
1702		1938
1703	# this weird shuffling is so that direct followup queries	1939	# this weird shuffling is so that direct followup queries
1704	# get handled first	1940	# get handled first
1705	my $queue = delete $ns->{query_queue};	1941	my $queue = delete $ns->{query_queue}
		1942	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		1943
1707	(shift @$queue)->[1]->($msg);	1944	(shift @$queue)->[1]->($msg);
1708		1945
1709	push @{ $ns->{query_queue} }, @$queue;	1946	push @{ $ns->{query_queue} }, @$queue;
1710		1947
…		…
1716	}	1953	}
1717	}	1954	}
1718	},	1955	},
1719	);	1956	);
1720		1957
1721	=item $client->coro (\&cb)	1958	=item $client->async (\&cb)
1722		1959
1723	Create a new coroutine, running the specified callback. The coroutine will	1960	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	1961	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	1962	or loss of connection).
1726		1963
1727	=cut	1964	=cut
1728		1965
1729	sub cf::client::coro {	1966	sub cf::client::async {
1730	my ($self, $cb) = @_;	1967	my ($self, $cb) = @_;
1731		1968
1732	my $coro; $coro = async {	1969	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		1970
1739	$coro->on_destroy (sub {	1971	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	1972	delete $self->{_coro}{$coro+0};
1741	});	1973	});
1742		1974
…		…
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2209	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2210	or return;
1979		2211
1980	local $/;	2212	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2213	*CFG = YAML::Syck::Load <$fh>;
		2214
		2215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2216
		2217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2219
		2220	if (exists $CFG{mlockall}) {
		2221	eval {
		2222	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2223	and die "WARNING: m(un)lockall failed: $!\n";
		2224	};
		2225	warn $@ if $@;
		2226	}
1982	}	2227	}
1983		2228
1984	sub main {	2229	sub main {
1985	# we must not ever block the main coroutine	2230	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2231	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2233	(async {
		2234	warn "BP1\n";#d#
1989	Event::one_event;	2235	Event::one_event;
1990	})->();	2236	warn "BP2\n";#d#
		2237	})->prio (Coro::PRIO_MAX);
1991	};	2238	};
1992		2239
1993	cfg_load;	2240	cfg_load;
1994	db_load;	2241	db_load;
1995	load_extensions;	2242	load_extensions;
1996	Event::loop;	2243	Event::loop;
1997	}	2244	}
1998		2245
1999	#############################################################################	2246	#############################################################################
2000	# initialisation	2247	# initialisation and cleanup
		2248
		2249	# install some emergency cleanup handlers
		2250	BEGIN {
		2251	for my $signal (qw(INT HUP TERM)) {
		2252	Event->signal (
		2253	data => WF_AUTOCANCEL,
		2254	signal => $signal,
		2255	cb => sub {
		2256	cf::cleanup "SIG$signal";
		2257	},
		2258	);
		2259	}
		2260	}
		2261
		2262	sub emergency_save() {
		2263	my $freeze_guard = cf::freeze_mainloop;
		2264
		2265	warn "enter emergency perl save\n";
		2266
		2267	cf::sync_job {
		2268	# use a peculiar iteration method to avoid tripping on perl
		2269	# refcount bugs in for. also avoids problems with players
		2270	# and maps saved/destroyed asynchronously.
		2271	warn "begin emergency player save\n";
		2272	for my $login (keys %cf::PLAYER) {
		2273	my $pl = $cf::PLAYER{$login} or next;
		2274	$pl->valid or next;
		2275	$pl->save;
		2276	}
		2277	warn "end emergency player save\n";
		2278
		2279	warn "begin emergency map save\n";
		2280	for my $path (keys %cf::MAP) {
		2281	my $map = $cf::MAP{$path} or next;
		2282	$map->valid or next;
		2283	$map->save;
		2284	}
		2285	warn "end emergency map save\n";
		2286	};
		2287
		2288	warn "leave emergency perl save\n";
		2289	}
2001		2290
2002	sub reload() {	2291	sub reload() {
2003	# can/must only be called in main	2292	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2293	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2294	warn "can only reload from main coroutine\n";
2006	return;	2295	return;
2007	}	2296	}
2008		2297
2009	warn "reloading...";	2298	warn "reloading...";
2010		2299
2011	local $FREEZE = 1;	2300	warn "freezing server";
		2301	my $guard = freeze_mainloop;
2012	cf::emergency_save;	2302	cf::emergency_save;
		2303
		2304	warn "sync database to disk";
		2305	cf::db_sync;
		2306	IO::AIO::flush;
2013		2307
2014	eval {	2308	eval {
2015	# if anything goes wrong in here, we should simply crash as we already saved	2309	# if anything goes wrong in here, we should simply crash as we already saved
2016		2310
2017	# cancel all watchers	2311	warn "cancel all watchers";
2018	for (Event::all_watchers) {	2312	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2313	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2314	}
2021		2315
2022	# cancel all extension coros	2316	warn "cancel all extension coros";
2023	$_->cancel for values %EXT_CORO;	2317	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2318	%EXT_CORO = ();
2025		2319
		2320	warn "remove commands";
		2321	%COMMAND = ();
		2322
		2323	warn "remove ext commands";
		2324	%EXTCMD = ();
		2325
2026	# unload all extensions	2326	warn "unload/nuke all extensions";
2027	for (@exts) {	2327	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2328	warn "... unloading $pkg";
2029	unload_extension $_;	2329
		2330	if (my $cb = $pkg->can ("unload")) {
		2331	eval {
		2332	$cb->($pkg);
		2333	1
		2334	} or warn "$pkg unloaded, but with errors: $@";
2030	}	2335	}
2031		2336
		2337	warn "... nuking $pkg";
		2338	Symbol::delete_package $pkg;
		2339	}
		2340
2032	# unload all modules loaded from $LIBDIR	2341	warn "unload all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2342	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2344
2036	warn "removing <$k>";	2345	warn "removing <$k>";
2037	delete $INC{$k};	2346	delete $INC{$k};
…		…
2044	}	2353	}
2045		2354
2046	Symbol::delete_package $k;	2355	Symbol::delete_package $k;
2047	}	2356	}
2048		2357
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2358	warn "get rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2359	Symbol::delete_package "safe::$_"
2055	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2056		2361
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2362	warn "unload cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2363	delete $INC{"cf.pm"};
2062		2364
2063	# don't, removes xs symbols, too,	2365	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2366	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2367	#Symbol::delete_package __PACKAGE__;
2066		2368
2067	# reload cf.pm
2068	warn "reloading cf.pm";	2369	warn "reloading cf.pm";
2069	require cf;	2370	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2372
2072	# load config and database again	2373	warn "load config and database again";
2073	cf::cfg_load;	2374	cf::cfg_load;
2074	cf::db_load;	2375	cf::db_load;
2075		2376
2076	# load extensions
2077	warn "load extensions";	2377	warn "load extensions";
2078	cf::load_extensions;	2378	cf::load_extensions;
2079		2379
2080	# reattach attachments to objects	2380	warn "reattach attachments to objects/players";
2081	warn "reattach";
2082	_global_reattach;	2381	_global_reattach;
		2382	warn "reattach attachments to maps";
		2383	reattach $_ for values %MAP;
2083	};	2384	};
2084		2385
2085	if ($@) {	2386	if ($@) {
2086	warn $@;	2387	warn $@;
2087	warn "error while reloading, exiting.";	2388	warn "error while reloading, exiting.";
2088	exit 1;	2389	exit 1;
2089	}	2390	}
2090		2391
2091	warn "reloaded successfully";	2392	warn "reloaded";
2092	};	2393	};
2093		2394
2094	#############################################################################	2395	our $RELOAD_WATCHER; # used only during reload
2095
2096	unless ($LINK_MAP) {
2097	$LINK_MAP = cf::map::new;
2098
2099	$LINK_MAP->width (41);
2100	$LINK_MAP->height (41);
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,
2109	cb => sub {
2110	$_[0]->w->cancel;
2111
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});
2130
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}
2136
2137	register "<global>", __PACKAGE__;
2138		2396
2139	register_command "reload" => sub {	2397	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2398	my ($who, $arg) = @_;
2141		2399
2142	if ($who->flag (FLAG_WIZ)) {	2400	if ($who->flag (FLAG_WIZ)) {
2143	$who->message ("start of reload.");	2401	$who->message ("reloading server.");
		2402
		2403	# doing reload synchronously and two reloads happen back-to-back,
		2404	# coro crashes during coro_state_free->destroy here.
		2405
		2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2144	reload;	2407	reload;
2145	$who->message ("end of reload.");	2408	undef $RELOAD_WATCHER;
		2409	});
2146	}	2410	}
2147	};	2411	};
2148		2412
2149	unshift @INC, $LIBDIR;	2413	unshift @INC, $LIBDIR;
2150		2414
…		…
2152	reentrant => 0,	2416	reentrant => 0,
2153	prio => 0,	2417	prio => 0,
2154	at => $NEXT_TICK || $TICK,	2418	at => $NEXT_TICK || $TICK,
2155	data => WF_AUTOCANCEL,	2419	data => WF_AUTOCANCEL,
2156	cb => sub {	2420	cb => sub {
2157	unless ($FREEZE) {	2421	$NOW = Event::time;
		2422
2158	cf::server_tick; # one server iteration	2423	cf::server_tick; # one server iteration
2159	$RUNTIME += $TICK;	2424	$RUNTIME += $TICK;
2160	}
2161
2162	$NEXT_TICK += $TICK;	2425	$NEXT_TICK += $TICK;
		2426
		2427	$WAIT_FOR_TICK->broadcast;
		2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2163		2429
2164	# if we are delayed by four ticks or more, skip them all	2430	# if we are delayed by four ticks or more, skip them all
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2166		2432
2167	$TICK_WATCHER->at ($NEXT_TICK);	2433	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2169	},	2435	},
2170	);	2436	);
2171		2437
2172	IO::AIO::max_poll_time $TICK * 0.2;	2438	IO::AIO::max_poll_time $TICK * 0.2;
2173		2439
2174	Event->io (	2440	$AIO_POLL_WATCHER = Event->io (
2175	fd => IO::AIO::poll_fileno,	2441	fd => IO::AIO::poll_fileno,
2176	poll => 'r',	2442	poll => 'r',
2177	prio => 5,	2443	prio => 5,
2178	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,	2445	cb => \&IO::AIO::poll_cb,
2180	);	2446	);
2181		2447
2182	Event->timer (	2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2183	data => WF_AUTOCANCEL,	2449	data => WF_AUTOCANCEL,
2184	after => 0,	2450	after => 0,
2185	interval => 10,	2451	interval => 10,
2186	cb => sub {	2452	cb => sub {
2187	(Coro::unblock_sub {	2453	(Coro::unblock_sub {
…		…
2189	or warn "ERROR: unable to write runtime file: $!";	2455	or warn "ERROR: unable to write runtime file: $!";
2190	})->();	2456	})->();
2191	},	2457	},
2192	);	2458	);
2193		2459
		2460	END { cf::emergency_save }
		2461
2194	1	2462	1
2195		2463

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