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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.182 by root, Fri Jan 19 15:38:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	259	}
249		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
352	}	368	}
353		369
354	=back	370	=back
355		371
356	=cut	372	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		373
478	#############################################################################	374	#############################################################################
479		375
480	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
481		377
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	504	our @CB_MAP = ();
609		505
610	my %attachment;	506	my %attachment;
611		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
612	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
614		516
615	use sort 'stable';	517	use sort 'stable';
616		518
…		…
787	# object support	689	# object support
788		690
789	sub reattach {	691	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		696
793	my $registry = $obj->registry;	697	my $registry = $obj->registry;
794		698
795	@$registry = ();	699	@$registry = ();
796		700
…		…
928	=cut	832	=cut
929		833
930	sub register_extcmd {	834	sub register_extcmd {
931	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
932		836
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
937	}	838	}
938		839
939	cf::player->attach (	840	cf::player->attach (
940	on_command => sub {	841	on_command => sub {
941	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
954		855
955	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
956		857
957	if (ref $msg) {	858	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	862	}
962	}	863	}
963	} else {	864	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		867
967	cf::override;	868	cf::override;
968	},	869	},
969	);	870	);
970		871
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	872	sub load_extension {
978	my ($path) = @_;	873	my ($path) = @_;
979		874
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	876	my $base = $1;
982	my $pkg = $1;	877	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
985		880
986	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
987		882
988	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
989	or die "$path: $!";	884	or die "$path: $!";
990		885
991	my $source =	886	my $source =
992	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
995	. "\n};\n1";	890	. "\n};\n1";
996		891
997	eval $source	892	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	894	: "extension disabled.\n";
1000		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	896	warn $@;
1002	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
1003		898	exit 1;
1004	# no strict 'refs';	899	}
1005	# @{"$pkg\::ISA"} = ext::;	900	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	901	}
1020		902
1021	# remove commands	903	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	904	}
1046		905
1047	sub load_extensions {	906	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	908	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1054	}	913	}
1055	}	914	}
1056		915
1057	#############################################################################	916	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		917
1095	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1096		919
1097	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1098		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1099	=head3 cf::player	928	=head3 cf::player
1100		929
1101	=over 4	930	=over 4
1102		931
1103	=item cf::player::exists $login	932	=item cf::player::find $login
1104		933
1105	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1106		935
1107	=cut	936	=cut
1108		937
1109	sub cf::player::exists($) {	938	sub playerdir($) {
1110	cf::player::find $_[0]	939	cf::localdir
1111	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
1112	}	1085	}
1113		1086
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1088
1116	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1117		1090
1118	=cut	1091	=cut
1119		1092
1120	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1122		1095
1123	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1124		1097
1125	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1126	}	1099	}
		1100
		1101	package cf;
1127		1102
1128	=back	1103	=back
1129		1104
1130		1105
1131	=head3 cf::map	1106	=head3 cf::map
…		…
1137	package cf::map;	1112	package cf::map;
1138		1113
1139	use Fcntl;	1114	use Fcntl;
1140	use Coro::AIO;	1115	use Coro::AIO;
1141		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1142	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1144		1123
1145	sub generate_random_map {	1124	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1127	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1257	}
1163		1258
1164	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1165	# all maps in C++...	1260	# all maps in C++...
1166	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1168		1263
1169	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1171	}	1266	}
1172		1267
		1268	sub unlink_save {
		1269	my ($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
1173	sub try_load_header($) {	1276	sub load_header_from($) {
1174	my ($path) = @_;	1277	my ($self, $path) = @_;
1175		1278
1176	utf8::encode $path;	1279	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1178	or return;	1281	or return;
1179		1282
1180	my $map = cf::map::new	1283	$self->_load_header ($path)
1181	or return;	1284	or return;
1182		1285
1183	$map->load_header ($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
1184	or return;	1314	or return;
1185		1315
1186	$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	}
1187		1321
1188	$map	1322	1
1189	}	1323	}
1190		1324
1191	sub find_map;	1325	sub find;
1192	sub find_map {	1326	sub find {
1193	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1194		1328
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1330
1200	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1201		1332
1202	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1204		1335	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1336	or return;
1220		1337
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1233		1342
1234	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1345	$map->reset;
1236	undef $guard;	1346	undef $guard;
1237	$map = find_map $path	1347	$map = find $path
1238	or return;	1348	or return;
1239	}	1349	}
1240		1350
1241	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1242	}	1352	}
1243	}	1353	}
1244		1354
1245	sub load {	1355	sub load {
1246	my ($self) = @_;	1356	my ($self) = @_;
1247		1357
1248	my $path = $self->{path};	1358	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1250		1360
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1362
1253	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1254		1364
1255	$self->alloc;	1365	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1367	or return;
1258		1368
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1370	if delete $self->{load_original};
1261		1371
1262	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1373	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1375	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1267	}	1377	}
1268	}	1378	}
		1379
		1380	Coro::cede;
1269		1381
1270	# now do the right thing for maps	1382	# now do the right thing for maps
1271	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1272		1384
1273	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1386	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1280	$self->set_darkness_map;	1390	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1283	$self->activate;	1394	$self->activate;
1284	}	1395	}
1285		1396
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1398	}
1288		1399
1289	sub load_map_sync {	1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1290	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1291		1435
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1293		1438
1294	cf::sync_job {	1439	sub do_load_sync {
1295	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
1296	or return;	1450	or next;
1297	$map->load;	1451	$map->load;
1298	$map	1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
1299	}	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	$MAP_PREFETCHER->ready;
		1470
		1471	()
1300	}	1472	}
1301		1473
1302	sub save {	1474	sub save {
1303	my ($self) = @_;	1475	my ($self) = @_;
1304		1476
		1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1478
1305	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1306		1480
1307	return unless $self->dirty;	1481	return unless $self->dirty;
1308		1482
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1483	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1485
1312	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1313		1487
1314	return if $self->{deny_save};	1488	return if $self->{deny_save};
1315		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1316	if ($uniq) {	1496	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1499	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1501	}
1322	}	1502	}
1323		1503
1324	sub swap_out {	1504	sub swap_out {
1325	my ($self) = @_;	1505	my ($self) = @_;
		1506
		1507	# save first because save cedes
		1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1511
1327	return if $self->players;	1512	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1514	return if $self->{deny_save};
1330		1515
1331	$self->save;
1332	$self->clear;	1516	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1517	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1518	}
1335		1519
1336	sub reset_at {	1520	sub reset_at {
1337	my ($self) = @_;	1521	my ($self) = @_;
1338		1522
1339	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1342		1526
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1529
…		…
1350	my ($self) = @_;	1534	my ($self) = @_;
1351		1535
1352	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1353	}	1537	}
1354		1538
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1539	sub reset {
1377	my ($self) = @_;	1540	my ($self) = @_;
1378		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1379	return if $self->players;	1544	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1381		1546
1382	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1383		1548
1384	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1385		1553
1386	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1387		1555
1388	$self->unlink_save;	1556	$self->unlink_save;
1389	$self->destroy;	1557	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1560	my $nuke_counter = "aaaa";
1393		1561
1394	sub nuke {	1562	sub nuke {
1395	my ($self) = @_;	1563	my ($self) = @_;
1396		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1571	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1572	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
1400	$self->reset; # polite request, might not happen	1577	$self->reset; # polite request, might not happen
1401	}	1578	}
1402		1579
1403	sub customise_for {	1580	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1581
1406	if ($map->per_player) {	1582	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1583	instantiated unique items. May block.
1408	}
1409		1584
1410	$map	1585	=cut
1411	}
1412		1586
1413	sub emergency_save {	1587	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
1415		1590
1416	warn "enter emergency map save\n";	1591	my @paths;
1417		1592
1418	cf::sync_job {	1593	for (@$files) {
1419	warn "begin emergency map save\n";	1594	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1421	};	1600	}
1422		1601
1423	warn "end emergency map save\n";	1602	\@paths
1424	}	1603	}
1425		1604
1426	package cf;	1605	package cf;
1427		1606
1428	=back	1607	=back
1429		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
1430		1635
1431	=head3 cf::object::player	1636	=head3 cf::object::player
1432		1637
1433	=over 4	1638	=over 4
1434		1639
…		…
1474		1679
1475	=item $player_object->enter_link	1680	=item $player_object->enter_link
1476		1681
1477	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}>).
1478		1683
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1685	I<MUST> call C<leave_link> as soon as possible, though.
1481		1686
		1687	Will never block.
		1688
1482	=item $player_object->leave_link ($map, $x, $y)	1689	=item $player_object->leave_link ($map, $x, $y)
1483		1690
1484	Moves the player out of the specila link map onto the given map. If the	1691	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1692	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1693	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1694	fails, to the emergency map position.
1488		1695
1489	Might block.	1696	Might block.
1490		1697
1491	=cut	1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($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	$LINK_MAP
		1708	}
1492		1709
1493	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1711	my ($self) = @_;
1495		1712
1496	$self->deactivate_recursive;	1713	$self->deactivate_recursive;
1497		1714
1498	return if $self->map == $LINK_MAP;	1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1716
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1718	if $self->map;
1502		1719
1503	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1504	}	1721	}
1505		1722
1506	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1508		1725
1509	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1510		1727
1511	unless ($map) {	1728	unless ($map) {
1512	# restore original map position	1729	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1515		1732
1516	unless ($map) {	1733	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1520	}	1737	}
1521	}	1738	}
1522		1739
1523	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1529		1746
1530	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1531		1749
		1750	return unless $self->contr->active;
1532	$self->activate_recursive;	1751	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1534	}	1753	}
1535		1754
1536	cf::player->attach (	1755	cf::player->attach (
…		…
1549		1768
1550	# try to abort aborted map switching on player login :)	1769	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1770	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1771	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1772	$pl->ob->enter_link;
1554	cf::async {	1773	(async {
1555	# 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
1556	# 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);
1557	Coro::Timer::sleep 1;	1780	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1781	$pl->ob->leave_link;
1559	};	1782	})->prio (2);
1560	}	1783	}
1561	},	1784	},
1562	);	1785	);
1563		1786
1564	=item $player_object->goto_map ($path, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1565		1788
1566	=cut	1789	=cut
1567		1790
1568	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1570		1793
1571	$self->enter_link;	1794	$self->enter_link;
1572		1795
1573	(cf::async {	1796	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1578		1799
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1801	# if $map;
1581		1802
1582	$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);
1583		1804
1584	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1806	})->prio (1);
1586	}	1807	}
1587		1808
…		…
1591		1812
1592	sub parse_random_map_params {	1813	sub parse_random_map_params {
1593	my ($spec) = @_;	1814	my ($spec) = @_;
1594		1815
1595	my $rmp = { # defaults	1816	my $rmp = { # defaults
1596	xsize => 10,	1817	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1818	ysize => (cf::rndm 15, 40),
		1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1820	#layout => string,
1598	};	1821	};
1599		1822
1600	for (split /\n/, $spec) {	1823	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1824	my ($k, $v) = split /\s+/, $_, 2;
1602		1825
…		…
1606	$rmp	1829	$rmp
1607	}	1830	}
1608		1831
1609	sub prepare_random_map {	1832	sub prepare_random_map {
1610	my ($exit) = @_;	1833	my ($exit) = @_;
		1834
		1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1836
1612	# all this does is basically replace the /! path by	1837	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1838	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1839	# that depends on the exit object
1615		1840
…		…
1624		1849
1625	$rmp->{random_seed} ||= $exit->random_seed;	1850	$rmp->{random_seed} ||= $exit->random_seed;
1626		1851
1627	my $data = cf::to_json $rmp;	1852	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1853	my $md5 = Digest::MD5::md5_hex $data;
		1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1855
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1857	aio_write $fh, 0, (length $data), $data, 0;
		1858	undef $fh;
		1859	aio_rename "$meta~", $meta;
1632		1860
1633	$exit->slaying ("?random/$md5");	1861	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1862	$exit->msg (undef);
1635	}	1863	}
1636	}	1864	}
…		…
1640		1868
1641	return unless $self->type == cf::PLAYER;	1869	return unless $self->type == cf::PLAYER;
1642		1870
1643	$self->enter_link;	1871	$self->enter_link;
1644		1872
1645	(cf::async {	1873	(async {
		1874	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1875	unless (eval {
1647	prepare_random_map $exit	1876	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	1877	if $exit->slaying eq "/!";
1649		1878
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652		1881
1653	1;	1882	1;
1654	}) {	1883	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1884	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1885	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1886	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1887	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1888
1660	warn "ERROR in enter_exit: $@";	1889	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1890	$self->leave_link;
1662	}	1891	}
…		…
1713	on_reply => sub {	1942	on_reply => sub {
1714	my ($ns, $msg) = @_;	1943	my ($ns, $msg) = @_;
1715		1944
1716	# this weird shuffling is so that direct followup queries	1945	# this weird shuffling is so that direct followup queries
1717	# get handled first	1946	# get handled first
1718	my $queue = delete $ns->{query_queue};	1947	my $queue = delete $ns->{query_queue}
		1948	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		1949
1720	(shift @$queue)->[1]->($msg);	1950	(shift @$queue)->[1]->($msg);
1721		1951
1722	push @{ $ns->{query_queue} }, @$queue;	1952	push @{ $ns->{query_queue} }, @$queue;
1723		1953
…		…
1729	}	1959	}
1730	}	1960	}
1731	},	1961	},
1732	);	1962	);
1733		1963
1734	=item $client->coro (\&cb)	1964	=item $client->async (\&cb)
1735		1965
1736	Create a new coroutine, running the specified callback. The coroutine will	1966	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	1967	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	1968	or loss of connection).
1739		1969
1740	=cut	1970	=cut
1741		1971
1742	sub cf::client::coro {	1972	sub cf::client::async {
1743	my ($self, $cb) = @_;	1973	my ($self, $cb) = @_;
1744		1974
1745	my $coro = &cf::async ($cb);	1975	my $coro = &Coro::async ($cb);
1746		1976
1747	$coro->on_destroy (sub {	1977	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	1978	delete $self->{_coro}{$coro+0};
1749	});	1979	});
1750		1980
…		…
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2215	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2216	or return;
1987		2217
1988	local $/;	2218	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2219	*CFG = YAML::Syck::Load <$fh>;
		2220
		2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2222
		2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2225
		2226	if (exists $CFG{mlockall}) {
		2227	eval {
		2228	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2229	and die "WARNING: m(un)lockall failed: $!\n";
		2230	};
		2231	warn $@ if $@;
		2232	}
1990	}	2233	}
1991		2234
1992	sub main {	2235	sub main {
1993	# we must not ever block the main coroutine	2236	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2237	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	2239	(async {
1997	Event::one_event;	2240	Event::one_event;
1998	})->();	2241	})->prio (Coro::PRIO_MAX);
1999	};	2242	};
2000		2243
2001	cfg_load;	2244	cfg_load;
2002	db_load;	2245	db_load;
2003	load_extensions;	2246	load_extensions;
2004	Event::loop;	2247	Event::loop;
2005	}	2248	}
2006		2249
2007	#############################################################################	2250	#############################################################################
2008	# initialisation	2251	# initialisation and cleanup
		2252
		2253	# install some emergency cleanup handlers
		2254	BEGIN {
		2255	for my $signal (qw(INT HUP TERM)) {
		2256	Event->signal (
		2257	data => WF_AUTOCANCEL,
		2258	signal => $signal,
		2259	cb => sub {
		2260	cf::cleanup "SIG$signal";
		2261	},
		2262	);
		2263	}
		2264	}
		2265
		2266	sub emergency_save() {
		2267	my $freeze_guard = cf::freeze_mainloop;
		2268
		2269	warn "enter emergency perl save\n";
		2270
		2271	cf::sync_job {
		2272	# use a peculiar iteration method to avoid tripping on perl
		2273	# refcount bugs in for. also avoids problems with players
		2274	# and maps saved/destroyed asynchronously.
		2275	warn "begin emergency player save\n";
		2276	for my $login (keys %cf::PLAYER) {
		2277	my $pl = $cf::PLAYER{$login} or next;
		2278	$pl->valid or next;
		2279	$pl->save;
		2280	}
		2281	warn "end emergency player save\n";
		2282
		2283	warn "begin emergency map save\n";
		2284	for my $path (keys %cf::MAP) {
		2285	my $map = $cf::MAP{$path} or next;
		2286	$map->valid or next;
		2287	$map->save;
		2288	}
		2289	warn "end emergency map save\n";
		2290	};
		2291
		2292	warn "leave emergency perl save\n";
		2293	}
2009		2294
2010	sub reload() {	2295	sub reload() {
2011	# can/must only be called in main	2296	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2297	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2298	warn "can only reload from main coroutine\n";
2014	return;	2299	return;
2015	}	2300	}
2016		2301
2017	warn "reloading...";	2302	warn "reloading...";
2018		2303
2019	local $FREEZE = 1;	2304	warn "freezing server";
		2305	my $guard = freeze_mainloop;
2020	cf::emergency_save;	2306	cf::emergency_save;
		2307
		2308	warn "sync database to disk";
		2309	cf::db_sync;
		2310	IO::AIO::flush;
2021		2311
2022	eval {	2312	eval {
2023	# 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
2024		2314
2025	# cancel all watchers	2315	warn "cancel all watchers";
2026	for (Event::all_watchers) {	2316	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2317	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2318	}
2029		2319
2030	# cancel all extension coros	2320	warn "cancel all extension coros";
2031	$_->cancel for values %EXT_CORO;	2321	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2322	%EXT_CORO = ();
2033		2323
		2324	warn "remove commands";
		2325	%COMMAND = ();
		2326
		2327	warn "remove ext commands";
		2328	%EXTCMD = ();
		2329
2034	# unload all extensions	2330	warn "unload/nuke all extensions";
2035	for (@exts) {	2331	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2332	warn "... unloading $pkg";
2037	unload_extension $_;	2333
		2334	if (my $cb = $pkg->can ("unload")) {
		2335	eval {
		2336	$cb->($pkg);
		2337	1
		2338	} or warn "$pkg unloaded, but with errors: $@";
2038	}	2339	}
2039		2340
		2341	warn "... nuking $pkg";
		2342	Symbol::delete_package $pkg;
		2343	}
		2344
2040	# unload all modules loaded from $LIBDIR	2345	warn "unload all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2346	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2348
2044	warn "removing <$k>";	2349	warn "removing <$k>";
2045	delete $INC{$k};	2350	delete $INC{$k};
…		…
2052	}	2357	}
2053		2358
2054	Symbol::delete_package $k;	2359	Symbol::delete_package $k;
2055	}	2360	}
2056		2361
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2362	warn "get rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2363	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		2365
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2366	warn "unload cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2367	delete $INC{"cf.pm"};
2070		2368
2071	# don't, removes xs symbols, too,	2369	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2370	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2371	#Symbol::delete_package __PACKAGE__;
2074		2372
2075	# reload cf.pm
2076	warn "reloading cf.pm";	2373	warn "reloading cf.pm";
2077	require cf;	2374	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2376
2080	# load config and database again	2377	warn "load config and database again";
2081	cf::cfg_load;	2378	cf::cfg_load;
2082	cf::db_load;	2379	cf::db_load;
2083		2380
2084	# load extensions
2085	warn "load extensions";	2381	warn "load extensions";
2086	cf::load_extensions;	2382	cf::load_extensions;
2087		2383
2088	# reattach attachments to objects	2384	warn "reattach attachments to objects/players";
2089	warn "reattach";
2090	_global_reattach;	2385	_global_reattach;
		2386	warn "reattach attachments to maps";
		2387	reattach $_ for values %MAP;
2091	};	2388	};
2092		2389
2093	if ($@) {	2390	if ($@) {
2094	warn $@;	2391	warn $@;
2095	warn "error while reloading, exiting.";	2392	warn "error while reloading, exiting.";
2096	exit 1;	2393	exit 1;
2097	}	2394	}
2098		2395
2099	warn "reloaded successfully";	2396	warn "reloaded";
2100	};	2397	};
2101		2398
2102	#############################################################################	2399	our $RELOAD_WATCHER; # used only during reload
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}
2144
2145	register "<global>", __PACKAGE__;
2146		2400
2147	register_command "reload" => sub {	2401	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2402	my ($who, $arg) = @_;
2149		2403
2150	if ($who->flag (FLAG_WIZ)) {	2404	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");	2405	$who->message ("reloading server.");
		2406
		2407	# doing reload synchronously and two reloads happen back-to-back,
		2408	# coro crashes during coro_state_free->destroy here.
		2409
		2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2152	reload;	2411	reload;
2153	$who->message ("end of reload.");	2412	undef $RELOAD_WATCHER;
		2413	});
2154	}	2414	}
2155	};	2415	};
2156		2416
2157	unshift @INC, $LIBDIR;	2417	unshift @INC, $LIBDIR;
2158		2418
…		…
2160	reentrant => 0,	2420	reentrant => 0,
2161	prio => 0,	2421	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2422	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2423	data => WF_AUTOCANCEL,
2164	cb => sub {	2424	cb => sub {
2165	unless ($FREEZE) {	2425	$NOW = Event::time;
		2426
2166	cf::server_tick; # one server iteration	2427	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2428	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2429	$NEXT_TICK += $TICK;
		2430
		2431	$WAIT_FOR_TICK->broadcast;
		2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2171		2433
2172	# if we are delayed by four ticks or more, skip them all	2434	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2436
2175	$TICK_WATCHER->at ($NEXT_TICK);	2437	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2177	},	2439	},
2178	);	2440	);
2179		2441
2180	IO::AIO::max_poll_time $TICK * 0.2;	2442	IO::AIO::max_poll_time $TICK * 0.2;
2181		2443
2182	Event->io (	2444	$AIO_POLL_WATCHER = Event->io (
2183	fd => IO::AIO::poll_fileno,	2445	fd => IO::AIO::poll_fileno,
2184	poll => 'r',	2446	poll => 'r',
2185	prio => 5,	2447	prio => 5,
2186	data => WF_AUTOCANCEL,	2448	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,	2449	cb => \&IO::AIO::poll_cb,
2188	);	2450	);
2189		2451
2190	Event->timer (	2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2191	data => WF_AUTOCANCEL,	2453	data => WF_AUTOCANCEL,
2192	after => 0,	2454	after => 0,
2193	interval => 10,	2455	interval => 10,
2194	cb => sub {	2456	cb => sub {
2195	(Coro::unblock_sub {	2457	(Coro::unblock_sub {

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