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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.179 by root, Thu Jan 18 20:39:00 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
77		87
78	#############################################################################	88	#############################################################################
79		89
80	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
105		115
106	=item %cf::CFG	116	=item %cf::CFG
107		117
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		127
111	=back	128	=back
112		129
113	=cut	130	=cut
114		131
…		…
118	utf8::encode $msg;	135	utf8::encode $msg;
119		136
120	$msg .= "\n"	137	$msg .= "\n"
121	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
122		139
123	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
124	};	141	};
125	}	142	}
126		143
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		163
147	$Event::DIED = sub {	164	$Event::DIED = sub {
148	warn "error in event callback: @_";	165	warn "error in event callback: @_";
149	};	166	};
150		167
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
156		169
157	=over 4	170	=over 4
158		171
		172	=item dumpval $ref
		173
159	=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	}
160		194
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		196
163	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
164		198
…		…
180	sub to_json($) {	214	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
183	}	217	}
184		218
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	219	=item cf::lock_wait $string
208		220
209	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
210		222
211	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
212		224
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
216	returned.	228	returned.
217		229
218	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
219	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
220		232
221	=cut	233	=cut
222		234
223	our %LOCK;	235	our %LOCK;
224		236
…		…
238	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
239	lock_wait $key;	251	lock_wait $key;
240		252
241	$LOCK{$key} = [];	253	$LOCK{$key} = [];
242		254
243	cf::guard {	255	Coro::guard {
244	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
246	}	258	}
247	}	259	}
248		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	$guard
		271	}
		272
249	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
250		274
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
253		278
254	=cut	279	=cut
255		280
256	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		282
265	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
266		284
267	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
284		302
285	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	304	# (but this is cancel-safe)
287	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
288		306
289	my $busy = 1;	307	my $busy = 1;
290	my @res;	308	my @res;
291		309
292	(Coro::async {	310	(async {
293	@res = eval { $job->() };	311	@res = eval { $job->() };
294	warn $@ if $@;	312	warn $@ if $@;
295	undef $busy;	313	undef $busy;
296	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
297		315
298	while ($busy) {	316	while ($busy) {
299	Coro::cede_notself;	317	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	318	}
302		319
303	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
304	} else {	321	} else {
305	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
306		323
307	$job->()	324	$job->()
308	}	325	}
309	}	326	}
310		327
311	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
312		329
313	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
315		332
316	=cut	333	=cut
317		334
318	sub coro(&) {	335	sub async_ext(&) {
319	my $cb = shift;	336	my $cb = shift;
320		337
321	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
322		339
323	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
325	});	342	});
326	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
351	}	368	}
352		369
353	=back	370	=back
354		371
355	=cut	372	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		373
477	#############################################################################	374	#############################################################################
478		375
479	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
480		377
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	504	our @CB_MAP = ();
608		505
609	my %attachment;	506	my %attachment;
610		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
611	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
613		516
614	use sort 'stable';	517	use sort 'stable';
615		518
…		…
786	# object support	689	# object support
787		690
788	sub reattach {	691	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		696
792	my $registry = $obj->registry;	697	my $registry = $obj->registry;
793		698
794	@$registry = ();	699	@$registry = ();
795		700
…		…
927	=cut	832	=cut
928		833
929	sub register_extcmd {	834	sub register_extcmd {
930	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
931		836
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
936	}	838	}
937		839
938	cf::player->attach (	840	cf::player->attach (
939	on_command => sub {	841	on_command => sub {
940	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
953		855
954	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
955		857
956	if (ref $msg) {	858	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	862	}
961	}	863	}
962	} else {	864	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		867
966	cf::override;	868	cf::override;
967	},	869	},
968	);	870	);
969		871
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	872	sub load_extension {
977	my ($path) = @_;	873	my ($path) = @_;
978		874
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	876	my $base = $1;
981	my $pkg = $1;	877	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
984		880
985	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
986		882
987	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
988	or die "$path: $!";	884	or die "$path: $!";
989		885
990	my $source =	886	my $source =
991	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
994	. "\n};\n1";	890	. "\n};\n1";
995		891
996	eval $source	892	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	894	: "extension disabled.\n";
999		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	896	warn $@;
1001	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
1002		898	exit 1;
1003	# no strict 'refs';	899	}
1004	# @{"$pkg\::ISA"} = ext::;	900	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	901	}
1019		902
1020	# remove commands	903	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	904	}
1045		905
1046	sub load_extensions {	906	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	908	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1053	}	913	}
1054	}	914	}
1055		915
1056	#############################################################################	916	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		917
1094	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1095		919
1096	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1097		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1098	=head3 cf::player	928	=head3 cf::player
1099		929
1100	=over 4	930	=over 4
1101		931
1102	=item cf::player::exists $login	932	=item cf::player::find $login
1103		933
1104	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1105		935
1106	=cut	936	=cut
1107		937
1108	sub cf::player::exists($) {	938	sub playerdir($) {
1109	cf::player::find $_[0]	939	cf::localdir
1110	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
1111	}	1085	}
1112		1086
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1088
1115	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1116		1090
1117	=cut	1091	=cut
1118		1092
1119	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1121		1095
1122	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1123		1097
1124	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1125	}	1099	}
		1100
		1101	package cf;
1126		1102
1127	=back	1103	=back
1128		1104
1129		1105
1130	=head3 cf::map	1106	=head3 cf::map
…		…
1136	package cf::map;	1112	package cf::map;
1137		1113
1138	use Fcntl;	1114	use Fcntl;
1139	use Coro::AIO;	1115	use Coro::AIO;
1140		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1141	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1143		1123
1144	sub generate_random_map {	1124	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1127	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	my ($self, $merge) = @_;
		1157
		1158	# we have to keep some variables in memory intact
		1159	local $self->{path};
		1160	local $self->{load_path};
		1161	local $self->{deny_save};
		1162	local $self->{deny_reset};
		1163
		1164	$self->SUPER::thawer_merge ($merge);
		1165	}
		1166
		1167	sub normalise {
		1168	my ($path, $base) = @_;
		1169
		1170	# map plan:
		1171	#
		1172	# /! non-realised random map exit (special hack!)
		1173	# {... are special paths that are not being touched
		1174	# ?xxx/... are special absolute paths
		1175	# ?random/... random maps
		1176	# /... normal maps
		1177	# ~user/... per-player map of a specific user
		1178
		1179	$path =~ s/$PATH_SEP/\//go;
		1180
		1181	# treat it as relative path if it starts with
		1182	# something that looks reasonable
		1183	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1185
		1186	$base =~ s{[^/]+/?$}{};
		1187	$path = "$base/$path";
		1188	}
		1189
		1190	for ($path) {
		1191	redo if s{//}{/};
		1192	redo if s{/\.?/}{/};
		1193	redo if s{/[^/]+/\.\./}{/};
		1194	}
		1195
		1196	$path
		1197	}
		1198
		1199	sub new_from_path {
		1200	my (undef, $path, $base) = @_;
		1201
		1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1203
		1204	$path = normalise $path, $base;
		1205
		1206	for my $pkg (keys %EXT_MAP) {
		1207	if ($path =~ $EXT_MAP{$pkg}) {
		1208	my $self = bless cf::map::new, $pkg;
		1209	$self->{path} = $path; $self->path ($path);
		1210	$self->init; # pass $1 etc.
		1211	return $self;
		1212	}
		1213	}
		1214
		1215	Carp::carp "unable to resolve path '$path'.";
		1216	()
		1217	}
		1218
		1219	sub init {
		1220	my ($self) = @_;
		1221
		1222	$self
		1223	}
		1224
		1225	sub as_string {
		1226	my ($self) = @_;
		1227
		1228	"$self->{path}"
		1229	}
		1230
		1231	# the displayed name, this is a one way mapping
		1232	sub visible_name {
		1233	&as_string
		1234	}
		1235
		1236	# the original (read-only) location
		1237	sub load_path {
		1238	my ($self) = @_;
		1239
		1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1241	}
		1242
		1243	# the temporary/swap location
		1244	sub save_path {
		1245	my ($self) = @_;
		1246
		1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1249	}
		1250
		1251	# the unique path, undef == no special unique path
		1252	sub uniq_path {
		1253	my ($self) = @_;
		1254
		1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1257	}
1162		1258
1163	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1164	# all maps in C++...	1260	# all maps in C++...
1165	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1167		1263
1168	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1170	}	1266	}
1171		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->save_path);
		1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1274	}
		1275
1172	sub try_load_header($) {	1276	sub load_header_from($) {
1173	my ($path) = @_;	1277	my ($self, $path) = @_;
1174		1278
1175	utf8::encode $path;	1279	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1177	or return;	1281	or return;
1178		1282
1179	my $map = cf::map::new	1283	$self->_load_header ($path)
1180	or return;	1284	or return;
1181		1285
1182	$map->load_header ($path)	1286	$self->{load_path} = $path;
		1287
		1288	1
		1289	}
		1290
		1291	sub load_orig {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->load_path)
		1295	}
		1296
		1297	sub load_temp {
		1298	my ($self) = @_;
		1299
		1300	$self->load_header_from ($self->save_path)
		1301	}
		1302
		1303	sub load_header {
		1304	my ($self) = @_;
		1305
		1306	if ($self->load_temp) {
		1307	$self->last_access ((delete $self->{last_access})
		1308	|| $cf::RUNTIME); #d#
		1309	# safety
		1310	$self->{instantiate_time} = $cf::RUNTIME
		1311	if $self->{instantiate_time} > $cf::RUNTIME;
		1312	} else {
		1313	$self->load_orig
1183	or return;	1314	or return;
1184		1315
1185	$map->{load_path} = $path;	1316	$self->{load_original} = 1;
		1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
1186		1321
1187	$map	1322	1
1188	}	1323	}
1189		1324
1190	sub find_map;	1325	sub find;
1191	sub find_map {	1326	sub find {
1192	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1193		1328
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1330
1199	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1200		1332
1201	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1203		1335	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1336	or return;
1219		1337
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1232		1342
1233	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1345	$map->reset;
1235	undef $guard;	1346	undef $guard;
1236	$map = find_map $path	1347	$map = find $path
1237	or return;	1348	or return;
1238	}	1349	}
1239		1350
1240	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1241	}	1352	}
1242	}	1353	}
1243		1354
1244	sub load {	1355	sub load {
1245	my ($self) = @_;	1356	my ($self) = @_;
1246		1357
1247	my $path = $self->{path};	1358	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1249		1360
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1362
1252	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1253		1364
1254	$self->alloc;	1365	$self->alloc;
1255	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1367	or return;
1257		1368
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1370	if delete $self->{load_original};
1260		1371
1261	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1373	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1375	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1266	}	1377	}
1267	}	1378	}
		1379
		1380	Coro::cede;
1268		1381
1269	# now do the right thing for maps	1382	# now do the right thing for maps
1270	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1271		1384
1272	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1386	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1279	$self->set_darkness_map;	1390	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1282	$self->activate;	1394	$self->activate;
1283	}	1395	}
1284		1396
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1398	}
1287		1399
1288	sub load_map_sync {	1400	sub customise_for {
		1401	my ($self, $ob) = @_;
		1402
		1403	return find "~" . $ob->name . "/" . $self->{path}
		1404	if $self->per_player;
		1405
		1406	$self
		1407	}
		1408
		1409	# find and load all maps in the 3x3 area around a map
		1410	sub load_diag {
		1411	my ($map) = @_;
		1412
		1413	my @diag; # diagonal neighbours
		1414
		1415	for (0 .. 3) {
		1416	my $neigh = $map->tile_path ($_)
		1417	or next;
		1418	$neigh = find $neigh, $map
		1419	or next;
		1420	$neigh->load;
		1421
		1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1424	}
		1425
		1426	for (@diag) {
		1427	my $neigh = find @$_
		1428	or next;
		1429	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1289	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1290		1435
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1292		1438
1293	cf::sync_job {	1439	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
		1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = Coro::async {
		1447	while () {
		1448	for my $path (keys %MAP_PREFETCH) {
		1449	my $map = find $path
1295	or return;	1450	or next;
1296	$map->load;	1451	$map->load;
1297	$map	1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
1298	}	1456	}
		1457	};
		1458
		1459	sub find_async {
		1460	my ($path, $origin) = @_;
		1461
		1462	$path = normalise $path, $origin && $origin->{path};
		1463
		1464	if (my $map = $cf::MAP{$path}) {
		1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1466	}
		1467
		1468	$MAP_PREFETCH{$path} = 0;
		1469	$MAP_PREFETCHER->ready;
		1470
		1471	()
1299	}	1472	}
1300		1473
1301	sub save {	1474	sub save {
1302	my ($self) = @_;	1475	my ($self) = @_;
1303		1476
		1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1478
1304	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1305		1480
1306	return unless $self->dirty;	1481	return unless $self->dirty;
1307		1482
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1483	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1485
1311	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1312		1487
1313	return if $self->{deny_save};	1488	return if $self->{deny_save};
1314		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1315	if ($uniq) {	1496	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1499	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1501	}
1321	}	1502	}
1322		1503
1323	sub swap_out {	1504	sub swap_out {
1324	my ($self) = @_;	1505	my ($self) = @_;
1325		1506
1326	# save first because save cedes	1507	# save first because save cedes
1327	$self->save;	1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1511
1329	return if $self->players;	1512	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1514	return if $self->{deny_save};
1332		1515
…		…
1336		1519
1337	sub reset_at {	1520	sub reset_at {
1338	my ($self) = @_;	1521	my ($self) = @_;
1339		1522
1340	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1343		1526
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1529
…		…
1351	my ($self) = @_;	1534	my ($self) = @_;
1352		1535
1353	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1354	}	1537	}
1355		1538
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1539	sub reset {
1378	my ($self) = @_;	1540	my ($self) = @_;
1379		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1380	return if $self->players;	1544	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1382		1546
1383	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1384		1548
1385	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1386		1553
1387	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1388		1555
1389	$self->unlink_save;	1556	$self->unlink_save;
1390	$self->destroy;	1557	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1560	my $nuke_counter = "aaaa";
1394		1561
1395	sub nuke {	1562	sub nuke {
1396	my ($self) = @_;	1563	my ($self) = @_;
1397		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1571	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1572	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
1401	$self->reset; # polite request, might not happen	1577	$self->reset; # polite request, might not happen
1402	}	1578	}
1403		1579
1404	sub customise_for {	1580	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1581
1407	if ($map->per_player) {	1582	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1583	instantiated unique items. May block.
1409	}
1410		1584
1411	$map	1585	=cut
1412	}
1413		1586
1414	sub emergency_save {	1587	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
1416		1590
1417	warn "enter emergency map save\n";	1591	my @paths;
1418		1592
1419	cf::sync_job {	1593	for (@$files) {
1420	warn "begin emergency map save\n";	1594	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1422	};	1600	}
1423		1601
1424	warn "end emergency map save\n";	1602	\@paths
1425	}	1603	}
1426		1604
1427	package cf;	1605	package cf;
1428		1606
1429	=back	1607	=back
1430		1608
		1609	=head3 cf::object
		1610
		1611	=cut
		1612
		1613	package cf::object;
		1614
		1615	=over 4
		1616
		1617	=item $ob->inv_recursive
		1618
		1619	Returns the inventory of the object _and_ their inventories, recursively.
		1620
		1621	=cut
		1622
		1623	sub inv_recursive_;
		1624	sub inv_recursive_ {
		1625	map { $_, inv_recursive_ $_->inv } @_
		1626	}
		1627
		1628	sub inv_recursive {
		1629	inv_recursive_ inv $_[0]
		1630	}
		1631
		1632	package cf;
		1633
		1634	=back
1431		1635
1432	=head3 cf::object::player	1636	=head3 cf::object::player
1433		1637
1434	=over 4	1638	=over 4
1435		1639
…		…
1475		1679
1476	=item $player_object->enter_link	1680	=item $player_object->enter_link
1477		1681
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1682	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1683
1480	The player should be reaosnably safe there for short amounts of time. You	1684	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1685	I<MUST> call C<leave_link> as soon as possible, though.
1482		1686
		1687	Will never block.
		1688
1483	=item $player_object->leave_link ($map, $x, $y)	1689	=item $player_object->leave_link ($map, $x, $y)
1484		1690
1485	Moves the player out of the specila link map onto the given map. If the	1691	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1692	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1693	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1694	fails, to the emergency map position.
1489		1695
1490	Might block.	1696	Might block.
1491		1697
1492	=cut	1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($LINK_MAP) {
		1702	$LINK_MAP = cf::map::find "{link}"
		1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1704	$LINK_MAP->load;
		1705	}
		1706
		1707	$LINK_MAP
		1708	}
1493		1709
1494	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1711	my ($self) = @_;
1496		1712
1497	$self->deactivate_recursive;	1713	$self->deactivate_recursive;
1498		1714
1499	return if $self->map == $LINK_MAP;	1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1716
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1718	if $self->map;
1503		1719
1504	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1505	}	1721	}
1506		1722
1507	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1509		1725
1510	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1511		1727
1512	unless ($map) {	1728	unless ($map) {
1513	# restore original map position	1729	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1516		1732
1517	unless ($map) {	1733	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1521	}	1737	}
1522	}	1738	}
1523		1739
1524	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1530		1746
1531	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1532		1749
		1750	return unless $self->contr->active;
1533	$self->activate_recursive;	1751	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1535	}	1753	}
1536		1754
1537	cf::player->attach (	1755	cf::player->attach (
…		…
1550		1768
1551	# try to abort aborted map switching on player login :)	1769	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1770	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1771	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1772	$pl->ob->enter_link;
1555	cf::async {	1773	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1774	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1775	# and this sleep increases chances of the player not ending up in scorn
		1776	$pl->ob->reply (undef,
		1777	"There was an internal problem at your last logout, "
		1778	. "the server will try to bring you to your intended destination in a second.",
		1779	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1780	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1781	$pl->ob->leave_link;
1560	};	1782	})->prio (2);
1561	}	1783	}
1562	},	1784	},
1563	);	1785	);
1564		1786
1565	=item $player_object->goto_map ($path, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1566		1788
1567	=cut	1789	=cut
1568		1790
1569	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1571		1793
1572	$self->enter_link;	1794	$self->enter_link;
1573		1795
1574	(cf::async {	1796	(async {
1575	$path = new cf::path $path;
1576
1577	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1579		1799
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1581	# if $map;	1801	# if $map;
1582		1802
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1804
1585	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1806	})->prio (1);
1587	}	1807	}
1588		1808
…		…
1592		1812
1593	sub parse_random_map_params {	1813	sub parse_random_map_params {
1594	my ($spec) = @_;	1814	my ($spec) = @_;
1595		1815
1596	my $rmp = { # defaults	1816	my $rmp = { # defaults
1597	xsize => 10,	1817	xsize => -1,
1598	ysize => 10,	1818	ysize => -1,
1599	};	1819	};
1600		1820
1601	for (split /\n/, $spec) {	1821	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1822	my ($k, $v) = split /\s+/, $_, 2;
1603		1823
…		…
1607	$rmp	1827	$rmp
1608	}	1828	}
1609		1829
1610	sub prepare_random_map {	1830	sub prepare_random_map {
1611	my ($exit) = @_;	1831	my ($exit) = @_;
		1832
		1833	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1834
1613	# all this does is basically replace the /! path by	1835	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1836	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1837	# that depends on the exit object
1616		1838
…		…
1625		1847
1626	$rmp->{random_seed} ||= $exit->random_seed;	1848	$rmp->{random_seed} ||= $exit->random_seed;
1627		1849
1628	my $data = cf::to_json $rmp;	1850	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1851	my $md5 = Digest::MD5::md5_hex $data;
		1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1853
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1855	aio_write $fh, 0, (length $data), $data, 0;
		1856	undef $fh;
		1857	aio_rename "$meta~", $meta;
1633		1858
1634	$exit->slaying ("?random/$md5");	1859	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1860	$exit->msg (undef);
1636	}	1861	}
1637	}	1862	}
…		…
1641		1866
1642	return unless $self->type == cf::PLAYER;	1867	return unless $self->type == cf::PLAYER;
1643		1868
1644	$self->enter_link;	1869	$self->enter_link;
1645		1870
1646	(cf::async {	1871	(async {
		1872	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1873	unless (eval {
1648	prepare_random_map $exit	1874	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1875	if $exit->slaying eq "/!";
1650		1876
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1879
1654	1;	1880	1;
1655	}) {	1881	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1882	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1883	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1884	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1885	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1886
1661	warn "ERROR in enter_exit: $@";	1887	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1888	$self->leave_link;
1663	}	1889	}
…		…
1731	}	1957	}
1732	}	1958	}
1733	},	1959	},
1734	);	1960	);
1735		1961
1736	=item $client->coro (\&cb)	1962	=item $client->async (\&cb)
1737		1963
1738	Create a new coroutine, running the specified callback. The coroutine will	1964	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	1965	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	1966	or loss of connection).
1741		1967
1742	=cut	1968	=cut
1743		1969
1744	sub cf::client::coro {	1970	sub cf::client::async {
1745	my ($self, $cb) = @_;	1971	my ($self, $cb) = @_;
1746		1972
1747	my $coro = &cf::async ($cb);	1973	my $coro = &Coro::async ($cb);
1748		1974
1749	$coro->on_destroy (sub {	1975	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	1976	delete $self->{_coro}{$coro+0};
1751	});	1977	});
1752		1978
…		…
1990	local $/;	2216	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2217	*CFG = YAML::Syck::Load <$fh>;
1992		2218
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2220
		2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2223
1995	if (exists $CFG{mlockall}) {	2224	if (exists $CFG{mlockall}) {
1996	eval {	2225	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2226	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2227	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2228	};
2000	warn $@ if $@;	2229	warn $@ if $@;
2001	}	2230	}
2002	}	2231	}
2003		2232
2004	sub main {	2233	sub main {
2005	# we must not ever block the main coroutine	2234	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2235	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2237	(async {
2009	Event::one_event;	2238	Event::one_event;
2010	})->();	2239	})->prio (Coro::PRIO_MAX);
2011	};	2240	};
2012		2241
2013	cfg_load;	2242	cfg_load;
2014	db_load;	2243	db_load;
2015	load_extensions;	2244	load_extensions;
2016	Event::loop;	2245	Event::loop;
2017	}	2246	}
2018		2247
2019	#############################################################################	2248	#############################################################################
2020	# initialisation	2249	# initialisation and cleanup
		2250
		2251	# install some emergency cleanup handlers
		2252	BEGIN {
		2253	for my $signal (qw(INT HUP TERM)) {
		2254	Event->signal (
		2255	data => WF_AUTOCANCEL,
		2256	signal => $signal,
		2257	cb => sub {
		2258	cf::cleanup "SIG$signal";
		2259	},
		2260	);
		2261	}
		2262	}
		2263
		2264	sub emergency_save() {
		2265	my $freeze_guard = cf::freeze_mainloop;
		2266
		2267	warn "enter emergency perl save\n";
		2268
		2269	cf::sync_job {
		2270	# use a peculiar iteration method to avoid tripping on perl
		2271	# refcount bugs in for. also avoids problems with players
		2272	# and maps saved/destroyed asynchronously.
		2273	warn "begin emergency player save\n";
		2274	for my $login (keys %cf::PLAYER) {
		2275	my $pl = $cf::PLAYER{$login} or next;
		2276	$pl->valid or next;
		2277	$pl->save;
		2278	}
		2279	warn "end emergency player save\n";
		2280
		2281	warn "begin emergency map save\n";
		2282	for my $path (keys %cf::MAP) {
		2283	my $map = $cf::MAP{$path} or next;
		2284	$map->valid or next;
		2285	$map->save;
		2286	}
		2287	warn "end emergency map save\n";
		2288	};
		2289
		2290	warn "leave emergency perl save\n";
		2291	}
2021		2292
2022	sub reload() {	2293	sub reload() {
2023	# can/must only be called in main	2294	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2295	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2296	warn "can only reload from main coroutine\n";
2026	return;	2297	return;
2027	}	2298	}
2028		2299
2029	warn "reloading...";	2300	warn "reloading...";
2030		2301
2031	local $FREEZE = 1;	2302	warn "freezing server";
		2303	my $guard = freeze_mainloop;
2032	cf::emergency_save;	2304	cf::emergency_save;
		2305
		2306	warn "sync database to disk";
		2307	cf::db_sync;
		2308	IO::AIO::flush;
2033		2309
2034	eval {	2310	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2311	# if anything goes wrong in here, we should simply crash as we already saved
2036		2312
2037	# cancel all watchers	2313	warn "cancel all watchers";
2038	for (Event::all_watchers) {	2314	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2315	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2316	}
2041		2317
2042	# cancel all extension coros	2318	warn "cancel all extension coros";
2043	$_->cancel for values %EXT_CORO;	2319	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2320	%EXT_CORO = ();
2045		2321
		2322	warn "remove commands";
		2323	%COMMAND = ();
		2324
		2325	warn "remove ext commands";
		2326	%EXTCMD = ();
		2327
2046	# unload all extensions	2328	warn "unload/nuke all extensions";
2047	for (@exts) {	2329	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2330	warn "... unloading $pkg";
2049	unload_extension $_;	2331
		2332	if (my $cb = $pkg->can ("unload")) {
		2333	eval {
		2334	$cb->($pkg);
		2335	1
		2336	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2337	}
2051		2338
		2339	warn "... nuking $pkg";
		2340	Symbol::delete_package $pkg;
		2341	}
		2342
2052	# unload all modules loaded from $LIBDIR	2343	warn "unload all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2344	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2346
2056	warn "removing <$k>";	2347	warn "removing <$k>";
2057	delete $INC{$k};	2348	delete $INC{$k};
…		…
2064	}	2355	}
2065		2356
2066	Symbol::delete_package $k;	2357	Symbol::delete_package $k;
2067	}	2358	}
2068		2359
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2360	warn "get rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2361	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2363
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2364	warn "unload cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2365	delete $INC{"cf.pm"};
2082		2366
2083	# don't, removes xs symbols, too,	2367	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2368	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2369	#Symbol::delete_package __PACKAGE__;
2086		2370
2087	# reload cf.pm
2088	warn "reloading cf.pm";	2371	warn "reloading cf.pm";
2089	require cf;	2372	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2374
2092	# load config and database again	2375	warn "load config and database again";
2093	cf::cfg_load;	2376	cf::cfg_load;
2094	cf::db_load;	2377	cf::db_load;
2095		2378
2096	# load extensions
2097	warn "load extensions";	2379	warn "load extensions";
2098	cf::load_extensions;	2380	cf::load_extensions;
2099		2381
2100	# reattach attachments to objects	2382	warn "reattach attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2383	_global_reattach;
		2384	warn "reattach attachments to maps";
		2385	reattach $_ for values %MAP;
2103	};	2386	};
2104		2387
2105	if ($@) {	2388	if ($@) {
2106	warn $@;	2389	warn $@;
2107	warn "error while reloading, exiting.";	2390	warn "error while reloading, exiting.";
2108	exit 1;	2391	exit 1;
2109	}	2392	}
2110		2393
2111	warn "reloaded successfully";	2394	warn "reloaded";
2112	};	2395	};
2113		2396
2114	#############################################################################	2397	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2398
2159	register_command "reload" => sub {	2399	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2400	my ($who, $arg) = @_;
2161		2401
2162	if ($who->flag (FLAG_WIZ)) {	2402	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2403	$who->message ("reloading server.");
		2404
		2405	# doing reload synchronously and two reloads happen back-to-back,
		2406	# coro crashes during coro_state_free->destroy here.
		2407
		2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2164	reload;	2409	reload;
2165	$who->message ("end of reload.");	2410	undef $RELOAD_WATCHER;
		2411	});
2166	}	2412	}
2167	};	2413	};
2168		2414
2169	unshift @INC, $LIBDIR;	2415	unshift @INC, $LIBDIR;
2170		2416
…		…
2172	reentrant => 0,	2418	reentrant => 0,
2173	prio => 0,	2419	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2420	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2421	data => WF_AUTOCANCEL,
2176	cb => sub {	2422	cb => sub {
2177	unless ($FREEZE) {	2423	$NOW = Event::time;
		2424
2178	cf::server_tick; # one server iteration	2425	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2426	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2427	$NEXT_TICK += $TICK;
		2428
		2429	$WAIT_FOR_TICK->broadcast;
		2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2183		2431
2184	# if we are delayed by four ticks or more, skip them all	2432	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2434
2187	$TICK_WATCHER->at ($NEXT_TICK);	2435	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2189	},	2437	},
2190	);	2438	);
2191		2439
2192	IO::AIO::max_poll_time $TICK * 0.2;	2440	IO::AIO::max_poll_time $TICK * 0.2;
2193		2441
2194	Event->io (	2442	$AIO_POLL_WATCHER = Event->io (
2195	fd => IO::AIO::poll_fileno,	2443	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2444	poll => 'r',
2197	prio => 5,	2445	prio => 5,
2198	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2447	cb => \&IO::AIO::poll_cb,
2200	);	2448	);
2201		2449
2202	Event->timer (	2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2203	data => WF_AUTOCANCEL,	2451	data => WF_AUTOCANCEL,
2204	after => 0,	2452	after => 0,
2205	interval => 10,	2453	interval => 10,
2206	cb => sub {	2454	cb => sub {
2207	(Coro::unblock_sub {	2455	(Coro::unblock_sub {

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