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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.183 by root, Fri Jan 19 19:42:37 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=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	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
179	sub to_json($) {	214	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
182	}	217	}
183		218
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	219	=item cf::lock_wait $string
207		220
208	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
209		222
210	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
211		224
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
215	returned.	228	returned.
216		229
217	Lock names should begin with a unique identifier (for example, cf::map::find	230	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	231	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
238	lock_wait $key;	251	lock_wait $key;
239		252
240	$LOCK{$key} = [];	253	$LOCK{$key} = [];
241		254
242	cf::guard {	255	Coro::guard {
243	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
245	}	258	}
246	}	259	}
247		260
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	261	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
266		263
267	my $guard = guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
269	$guard	270	$guard
270	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
271		282
272	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
273		284
274	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
295		306
296	my $busy = 1;	307	my $busy = 1;
297	my @res;	308	my @res;
298		309
299	(Coro::async {	310	(async {
300	@res = eval { $job->() };	311	@res = eval { $job->() };
301	warn $@ if $@;	312	warn $@ if $@;
302	undef $busy;	313	undef $busy;
303	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
304		315
305	while ($busy) {	316	while ($busy) {
306	Coro::cede_notself;	317	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	318	}
309		319
310	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
311	} else {	321	} else {
312	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
313		323
314	$job->()	324	$job->()
315	}	325	}
316	}	326	}
317		327
318	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
319		329
320	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
322		332
323	=cut	333	=cut
324		334
325	sub coro(&) {	335	sub async_ext(&) {
326	my $cb = shift;	336	my $cb = shift;
327		337
328	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
329		339
330	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
332	});	342	});
333	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
358	}	368	}
359		369
360	=back	370	=back
361		371
362	=cut	372	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		373
484	#############################################################################	374	#############################################################################
485		375
486	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
487		377
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	504	our @CB_MAP = ();
615		505
616	my %attachment;	506	my %attachment;
617		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
618	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
620		516
621	use sort 'stable';	517	use sort 'stable';
622		518
…		…
793	# object support	689	# object support
794		690
795	sub reattach {	691	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		696
799	my $registry = $obj->registry;	697	my $registry = $obj->registry;
800		698
801	@$registry = ();	699	@$registry = ();
802		700
…		…
934	=cut	832	=cut
935		833
936	sub register_extcmd {	834	sub register_extcmd {
937	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
938		836
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
943	}	838	}
944		839
945	cf::player->attach (	840	cf::player->attach (
946	on_command => sub {	841	on_command => sub {
947	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
960		855
961	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
962		857
963	if (ref $msg) {	858	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	862	}
968	}	863	}
969	} else {	864	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		867
973	cf::override;	868	cf::override;
974	},	869	},
975	);	870	);
976		871
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	872	sub load_extension {
984	my ($path) = @_;	873	my ($path) = @_;
985		874
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	876	my $base = $1;
988	my $pkg = $1;	877	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
991		880
992	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
993		882
994	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
995	or die "$path: $!";	884	or die "$path: $!";
996		885
997	my $source =	886	my $source =
998	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
1001	. "\n};\n1";	890	. "\n};\n1";
1002		891
1003	eval $source	892	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	894	: "extension disabled.\n";
1006		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	896	warn $@;
1008	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
1009		898	exit 1;
1010	# no strict 'refs';	899	}
1011	# @{"$pkg\::ISA"} = ext::;	900	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	901	}
1026		902
1027	# remove commands	903	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	904	}
1052		905
1053	sub load_extensions {	906	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	908	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1060	}	913	}
1061	}	914	}
1062		915
1063	#############################################################################	916	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		917
1101	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1102		919
1103	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1104		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1105	=head3 cf::player	928	=head3 cf::player
1106		929
1107	=over 4	930	=over 4
1108		931
1109	=item cf::player::exists $login	932	=item cf::player::find $login
1110		933
1111	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1112		935
1113	=cut	936	=cut
1114		937
1115	sub cf::player::exists($) {	938	sub playerdir($) {
1116	cf::player::find $_[0]	939	cf::localdir
1117	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 path $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
1118	}	1085	}
1119		1086
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1088
1122	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1123		1090
1124	=cut	1091	=cut
1125		1092
1126	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1128		1095
1129	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1130		1097
1131	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1132	}	1099	}
		1100
		1101	package cf;
1133		1102
1134	=back	1103	=back
1135		1104
1136		1105
1137	=head3 cf::map	1106	=head3 cf::map
…		…
1143	package cf::map;	1112	package cf::map;
1144		1113
1145	use Fcntl;	1114	use Fcntl;
1146	use Coro::AIO;	1115	use Coro::AIO;
1147		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1148	our $MAX_RESET = 3600;	1121	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1122	our $DEFAULT_RESET = 3000;
1150		1123
1151	sub generate_random_map {	1124	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1127	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1257	}
1169		1258
1170	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1171	# all maps in C++...	1260	# all maps in C++...
1172	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1174		1263
1175	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1177	}	1266	}
1178		1267
		1268	sub unlink_save {
		1269	my ($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
1179	sub try_load_header($) {	1276	sub load_header_from($) {
1180	my ($path) = @_;	1277	my ($self, $path) = @_;
1181		1278
1182	utf8::encode $path;	1279	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1184	or return;	1281	or return;
1185		1282
1186	my $map = cf::map::new	1283	$self->_load_header ($path)
1187	or return;	1284	or return;
1188		1285
1189	$map->load_header ($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
1190	or return;	1314	or return;
1191		1315
1192	$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	}
1193		1321
1194	$map	1322	1
1195	}	1323	}
1196		1324
1197	sub find;	1325	sub find;
1198	sub find {	1326	sub find {
1199	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1200		1328
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1330
1206	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1207		1332
1208	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1210		1335	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1336	or return;
1228		1337
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1241		1339
		1340	$map->load_header
		1341	or return;
		1342
1242	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1345	$map->reset;
1244	undef $guard;	1346	undef $guard;
1245	$map = find $path	1347	$map = find $path
1246	or return;	1348	or return;
1247	}	1349	}
1248		1350
1249	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1250	}	1352	}
1251	}	1353	}
1252		1354
1253	sub load {	1355	sub load {
1254	my ($self) = @_;	1356	my ($self) = @_;
1255		1357
1256	my $path = $self->{path};	1358	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1258		1360
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1362
1261	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1262		1364
1263	$self->alloc;	1365	$self->alloc;
1264	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1367	or return;
1266		1368
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1370	if delete $self->{load_original};
1269		1371
1270	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1373	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1375	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1275	}	1377	}
1276	}	1378	}
		1379
		1380	Coro::cede;
1277		1381
1278	# now do the right thing for maps	1382	# now do the right thing for maps
1279	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1280		1384
1281	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1386	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1288	$self->set_darkness_map;	1390	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1291	$self->activate;	1394	$self->activate;
1292	}	1395	}
1293		1396
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
		1398	}
		1399
		1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
1295	}	1431	}
1296		1432
1297	sub find_sync {	1433	sub find_sync {
1298	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1299		1435
1300	cf::sync_job { cf::map::find $path, $origin }	1436	cf::sync_job { find $path, $origin }
1301	}	1437	}
1302		1438
1303	sub do_load_sync {	1439	sub do_load_sync {
1304	my ($map) = @_;	1440	my ($map) = @_;
1305		1441
1306	cf::sync_job { $map->load };	1442	cf::sync_job { $map->load };
1307	}	1443	}
1308		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = undef;
		1447
		1448	sub find_async {
		1449	my ($path, $origin) = @_;
		1450
		1451	$path = normalise $path, $origin && $origin->{path};
		1452
		1453	if (my $map = $cf::MAP{$path}) {
		1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1455	}
		1456
		1457	undef $MAP_PREFETCH{$path};
		1458	$MAP_PREFETCHER ||= cf::async {
		1459	while (%MAP_PREFETCH) {
		1460	for my $path (keys %MAP_PREFETCH) {
		1461	warn "prefetching $path...\n";#d#
		1462	my $map = find $path
		1463	or next;
		1464	$map->load;
		1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
		1470	};
		1471
		1472	()
		1473	}
		1474
1309	sub save {	1475	sub save {
1310	my ($self) = @_;	1476	my ($self) = @_;
1311		1477
		1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1479
1312	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1313		1481
1314	return unless $self->dirty;	1482	return unless $self->dirty;
1315		1483
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1484	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1486
1319	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1320		1488
1321	return if $self->{deny_save};	1489	return if $self->{deny_save};
1322		1490
1323	local $self->{last_access} = $self->last_access;#d#	1491	local $self->{last_access} = $self->last_access;#d#
1324		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1325	if ($uniq) {	1497	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1500	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1502	}
1331	}	1503	}
1332		1504
1333	sub swap_out {	1505	sub swap_out {
1334	my ($self) = @_;	1506	my ($self) = @_;
1335		1507
1336	# save first because save cedes	1508	# save first because save cedes
1337	$self->save;	1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1512
1339	return if $self->players;	1513	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1515	return if $self->{deny_save};
1342		1516
…		…
1346		1520
1347	sub reset_at {	1521	sub reset_at {
1348	my ($self) = @_;	1522	my ($self) = @_;
1349		1523
1350	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1353		1527
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1530
…		…
1361	my ($self) = @_;	1535	my ($self) = @_;
1362		1536
1363	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1364	}	1538	}
1365		1539
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1540	sub reset {
1388	my ($self) = @_;	1541	my ($self) = @_;
1389		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1390	return if $self->players;	1545	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1392		1547
1393	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1394		1549
1395	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1396		1554
1397	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1398		1556
1399	$self->unlink_save;	1557	$self->unlink_save;
1400	$self->destroy;	1558	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1561	my $nuke_counter = "aaaa";
1404		1562
1405	sub nuke {	1563	sub nuke {
1406	my ($self) = @_;	1564	my ($self) = @_;
1407		1565
		1566	delete $cf::MAP{$self->path};
		1567
		1568	$self->unlink_save;
		1569
		1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1572	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1573	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1575
		1576	$cf::MAP{$self->path} = $self;
		1577
1411	$self->reset; # polite request, might not happen	1578	$self->reset; # polite request, might not happen
1412	}	1579	}
1413		1580
1414	sub customise_for {	1581	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1582
1417	if ($map->per_player) {	1583	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1584	instantiated unique items. May block.
1419	}
1420		1585
1421	$map	1586	=cut
1422	}
1423		1587
1424	sub emergency_save {	1588	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
1426		1591
1427	warn "enter emergency map save\n";	1592	my @paths;
1428		1593
1429	cf::sync_job {	1594	for (@$files) {
1430	warn "begin emergency map save\n";	1595	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1432	};	1601	}
1433		1602
1434	warn "end emergency map save\n";	1603	\@paths
1435	}	1604	}
1436		1605
1437	package cf;	1606	package cf;
1438		1607
1439	=back	1608	=back
1440		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
1441		1636
1442	=head3 cf::object::player	1637	=head3 cf::object::player
1443		1638
1444	=over 4	1639	=over 4
1445		1640
…		…
1485		1680
1486	=item $player_object->enter_link	1681	=item $player_object->enter_link
1487		1682
1488	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}>).
1489		1684
1490	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
1491	I<MUST> call C<leave_link> as soon as possible, though.	1686	I<MUST> call C<leave_link> as soon as possible, though.
1492		1687
		1688	Will never block.
		1689
1493	=item $player_object->leave_link ($map, $x, $y)	1690	=item $player_object->leave_link ($map, $x, $y)
1494		1691
1495	Moves the player out of the specila link map onto the given map. If the	1692	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1693	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1694	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1695	fails, to the emergency map position.
1499		1696
1500	Might block.	1697	Might block.
1501		1698
1502	=cut	1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($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	$LINK_MAP
		1709	}
1503		1710
1504	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1712	my ($self) = @_;
1506		1713
1507	$self->deactivate_recursive;	1714	$self->deactivate_recursive;
1508		1715
1509	return if $self->map == $LINK_MAP;	1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1717
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1719	if $self->map;
1513		1720
1514	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1515	}	1722	}
1516		1723
1517	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1519		1726
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1540		1747
1541	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1542		1750
		1751	return unless $self->contr->active;
1543	$self->activate_recursive;	1752	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1545	}	1754	}
1546		1755
1547	cf::player->attach (	1756	cf::player->attach (
…		…
1560		1769
1561	# try to abort aborted map switching on player login :)	1770	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1771	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1772	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1773	$pl->ob->enter_link;
1565	cf::async {	1774	(async {
1566	# 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
1567	# 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);
1568	Coro::Timer::sleep 1;	1781	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1782	$pl->ob->leave_link;
1570	};	1783	})->prio (2);
1571	}	1784	}
1572	},	1785	},
1573	);	1786	);
1574		1787
1575	=item $player_object->goto_map ($path, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1576		1789
1577	=cut	1790	=cut
1578		1791
1579	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1581		1794
1582	$self->enter_link;	1795	$self->enter_link;
1583		1796
1584	(cf::async {	1797	(async {
1585	$path = new cf::path $path;
1586
1587	my $map = cf::map::find $path->as_string;	1798	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1589		1800
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1591	# if $map;	1802	# if $map;
1592		1803
1593	$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);
1594		1805
1595	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1807	})->prio (1);
1597	}	1808	}
1598		1809
…		…
1602		1813
1603	sub parse_random_map_params {	1814	sub parse_random_map_params {
1604	my ($spec) = @_;	1815	my ($spec) = @_;
1605		1816
1606	my $rmp = { # defaults	1817	my $rmp = { # defaults
1607	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1609	};	1822	};
1610		1823
1611	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1613		1826
…		…
1617	$rmp	1830	$rmp
1618	}	1831	}
1619		1832
1620	sub prepare_random_map {	1833	sub prepare_random_map {
1621	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1837
1623	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1840	# that depends on the exit object
1626		1841
…		…
1635		1850
1636	$rmp->{random_seed} ||= $exit->random_seed;	1851	$rmp->{random_seed} ||= $exit->random_seed;
1637		1852
1638	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1856
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1858	aio_write $fh, 0, (length $data), $data, 0;
		1859	undef $fh;
		1860	aio_rename "$meta~", $meta;
1643		1861
1644	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1863	$exit->msg (undef);
1646	}	1864	}
1647	}	1865	}
…		…
1651		1869
1652	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1653		1871
1654	$self->enter_link;	1872	$self->enter_link;
1655		1873
1656	(cf::async {	1874	(async {
1657	$self->deactivate_recursive; # just to be sure	1875	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1876	unless (eval {
1659	prepare_random_map $exit	1877	prepare_random_map $exit
1660	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1661		1879
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1664		1882
1665	1;	1883	1;
1666	}) {	1884	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1886	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1888	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1889
1672	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1891	$self->leave_link;
1674	}	1892	}
…		…
1742	}	1960	}
1743	}	1961	}
1744	},	1962	},
1745	);	1963	);
1746		1964
1747	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1748		1966
1749	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	1969	or loss of connection).
1752		1970
1753	=cut	1971	=cut
1754		1972
1755	sub cf::client::coro {	1973	sub cf::client::async {
1756	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1757		1975
1758	my $coro = &cf::async ($cb);	1976	my $coro = &Coro::async ($cb);
1759		1977
1760	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1762	});	1980	});
1763		1981
…		…
1957	sub db_sync() {	2175	sub db_sync() {
1958	db_save if $dirty;	2176	db_save if $dirty;
1959	undef $dirty;	2177	undef $dirty;
1960	}	2178	}
1961		2179
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;	2181	db_sync;
1964	});	2182	});
1965		2183
1966	sub db_dirty() {	2184	sub db_dirty() {
1967	$dirty = 1;	2185	$dirty = 1;
…		…
2001	local $/;	2219	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2220	*CFG = YAML::Syck::Load <$fh>;
2003		2221
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2223
		2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2226
2006	if (exists $CFG{mlockall}) {	2227	if (exists $CFG{mlockall}) {
2007	eval {	2228	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2229	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2230	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2231	};
2011	warn $@ if $@;	2232	warn $@ if $@;
2012	}	2233	}
2013	}	2234	}
2014		2235
2015	sub main {	2236	sub main {
2016	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2240	(async {
2020	Event::one_event;	2241	Event::one_event;
2021	})->();	2242	})->prio (Coro::PRIO_MAX);
2022	};	2243	};
2023		2244
2024	cfg_load;	2245	cfg_load;
2025	db_load;	2246	db_load;
2026	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
2027	Event::loop;	2250	Event::loop;
2028	}	2251	}
2029		2252
2030	#############################################################################	2253	#############################################################################
2031	# initialisation	2254	# initialisation and cleanup
		2255
		2256	# install some emergency cleanup handlers
		2257	BEGIN {
		2258	for my $signal (qw(INT HUP TERM)) {
		2259	Event->signal (
		2260	data => WF_AUTOCANCEL,
		2261	signal => $signal,
		2262	cb => sub {
		2263	cf::cleanup "SIG$signal";
		2264	},
		2265	);
		2266	}
		2267	}
		2268
		2269	sub emergency_save() {
		2270	my $freeze_guard = cf::freeze_mainloop;
		2271
		2272	warn "enter emergency perl save\n";
		2273
		2274	cf::sync_job {
		2275	# use a peculiar iteration method to avoid tripping on perl
		2276	# refcount bugs in for. also avoids problems with players
		2277	# and maps saved/destroyed asynchronously.
		2278	warn "begin emergency player save\n";
		2279	for my $login (keys %cf::PLAYER) {
		2280	my $pl = $cf::PLAYER{$login} or next;
		2281	$pl->valid or next;
		2282	$pl->save;
		2283	}
		2284	warn "end emergency player save\n";
		2285
		2286	warn "begin emergency map save\n";
		2287	for my $path (keys %cf::MAP) {
		2288	my $map = $cf::MAP{$path} or next;
		2289	$map->valid or next;
		2290	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
2032		2297
2033	sub reload() {	2298	sub reload() {
2034	# can/must only be called in main	2299	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
2037	return;	2302	return;
2038	}	2303	}
2039		2304
2040	warn "reloading...";	2305	warn "reloading...";
2041		2306
2042	my $guard = freeze_mainloop;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
2043	cf::emergency_save;	2310	cf::emergency_save;
2044		2311
2045	eval {	2312	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2313	# if anything goes wrong in here, we should simply crash as we already saved
2047		2314
2048	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2321	}
2052		2322
		2323	warn "flushing outstanding aio requests";
		2324	for (;;) {
		2325	IO::AIO::flush;
		2326	Coro::cede;
		2327	last unless IO::AIO::nreqs;
		2328	warn "iterate...";
		2329	}
		2330
2053	# cancel all extension coros	2331	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2333	%EXT_CORO = ();
2056		2334
2057	# unload all extensions	2335	warn "removing commands";
2058	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2343	warn "... unloading $pkg";
2060	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2350	}
2062		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
2063	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2359
2067	warn "removing <$k>";	2360	warn "... unloading $k";
2068	delete $INC{$k};	2361	delete $INC{$k};
2069		2362
2070	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
2072		2365
…		…
2075	}	2368	}
2076		2369
2077	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
2078	}	2371	}
2079		2372
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2376
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
2093		2379
2094	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2381	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
2097		2383
2098	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
2099	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
2100	require cf;	2387	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2389
2103	# load config and database again	2390	warn "loading config and database again";
2104	cf::cfg_load;	2391	cf::cfg_load;
2105	cf::db_load;	2392	cf::db_load;
2106		2393
2107	# load extensions
2108	warn "load extensions";	2394	warn "loading extensions";
2109	cf::load_extensions;	2395	cf::load_extensions;
2110		2396
2111	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
2114	};	2405	};
2115		2406
2116	if ($@) {	2407	if ($@) {
2117	warn $@;	2408	warn $@;
2118	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
2119	exit 1;	2410	exit 1;
2120	}	2411	}
2121		2412
2122	warn "reloaded successfully";	2413	warn "reloaded";
2123	};	2414	};
2124		2415
2125	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2417
2170	register_command "reload" => sub {	2418	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2419	my ($who, $arg) = @_;
2172		2420
2173	if ($who->flag (FLAG_WIZ)) {	2421	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2422	$who->message ("reloading server.");
		2423
		2424	# doing reload synchronously and two reloads happen back-to-back,
		2425	# coro crashes during coro_state_free->destroy here.
		2426
		2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2175	reload;	2428	reload;
2176	$who->message ("end of reload.");	2429	undef $RELOAD_WATCHER;
		2430	});
2177	}	2431	}
2178	};	2432	};
2179		2433
2180	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
2181		2437
2182	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
2184	prio => 0,	2441	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2442	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
2187	cb => sub {	2444	cb => sub {
		2445	if ($Coro::current != $Coro::main) {
		2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2447	unless ++$bug_warning > 10;
		2448	return;
		2449	}
		2450
		2451	$NOW = Event::time;
		2452
2188	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2455	$NEXT_TICK += $TICK;
		2456
		2457	$WAIT_FOR_TICK->broadcast;
		2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2191		2459
2192	# if we are delayed by four ticks or more, skip them all	2460	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2462
2195	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2197	},	2465	},
2198	);	2466	);
2199		2467
2200	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2201		2469
2202	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2203	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2472	poll => 'r',
2205	prio => 5,	2473	prio => 5,
2206	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2208	);	2476	);
2209		2477
2210	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2211	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2212	after => 0,	2480	after => 1,
2213	interval => 10,	2481	interval => 10,
2214	cb => sub {	2482	cb => Coro::unblock_sub {
2215	(Coro::unblock_sub {
2216	write_runtime	2483	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2485	},
2220	);	2486	);
2221		2487
2222	END { cf::emergency_save }	2488	END { cf::emergency_save }
2223		2489

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