ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 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	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
341	}	368	}
342		369
343	=back	370	=back
344		371
345	=cut	372	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		373
467	#############################################################################	374	#############################################################################
468		375
469	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
470		377
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	504	our @CB_MAP = ();
598		505
599	my %attachment;	506	my %attachment;
600		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
601	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
603		516
604	use sort 'stable';	517	use sort 'stable';
605		518
…		…
776	# object support	689	# object support
777		690
778	sub reattach {	691	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		696
782	my $registry = $obj->registry;	697	my $registry = $obj->registry;
783		698
784	@$registry = ();	699	@$registry = ();
785		700
…		…
917	=cut	832	=cut
918		833
919	sub register_extcmd {	834	sub register_extcmd {
920	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
921		836
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
926	}	838	}
927		839
928	cf::player->attach (	840	cf::player->attach (
929	on_command => sub {	841	on_command => sub {
930	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
943		855
944	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
945		857
946	if (ref $msg) {	858	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	862	}
951	}	863	}
952	} else {	864	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		867
956	cf::override;	868	cf::override;
957	},	869	},
958	);	870	);
959		871
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	872	sub load_extension {
967	my ($path) = @_;	873	my ($path) = @_;
968		874
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	876	my $base = $1;
971	my $pkg = $1;	877	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
974		880
975	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
976		882
977	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
978	or die "$path: $!";	884	or die "$path: $!";
979		885
980	my $source =	886	my $source =
981	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
984	. "\n};\n1";	890	. "\n};\n1";
985		891
986	eval $source	892	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	894	: "extension disabled.\n";
989		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	896	warn $@;
991	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
992		898	exit 1;
993	# no strict 'refs';	899	}
994	# @{"$pkg\::ISA"} = ext::;	900	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	901	}
1009		902
1010	# remove commands	903	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	904	}
1035		905
1036	sub load_extensions {	906	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	908	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1043	}	913	}
1044	}	914	}
1045		915
1046	#############################################################################	916	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		917
1084	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1085		919
1086	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1087		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1088	=head3 cf::player	928	=head3 cf::player
1089		929
1090	=over 4	930	=over 4
1091		931
1092	=item cf::player::exists $login	932	=item cf::player::find $login
1093		933
1094	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1095		935
1096	=cut	936	=cut
1097		937
1098	sub cf::player::exists($) {	938	sub playerdir($) {
1099	cf::player::find $_[0]	939	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat 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
1101	}	1085	}
1102		1086
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1088
1105	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1106		1090
1107	=cut	1091	=cut
1108		1092
1109	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1111		1095
1112	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1113		1097
1114	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1115	}	1099	}
		1100
		1101	package cf;
1116		1102
1117	=back	1103	=back
1118		1104
1119		1105
1120	=head3 cf::map	1106	=head3 cf::map
…		…
1126	package cf::map;	1112	package cf::map;
1127		1113
1128	use Fcntl;	1114	use Fcntl;
1129	use Coro::AIO;	1115	use Coro::AIO;
1130		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1131	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1133		1123
1134	sub generate_random_map {	1124	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1127	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1257	}
1152		1258
1153	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1154	# all maps in C++...	1260	# all maps in C++...
1155	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1157		1263
1158	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1160	}	1266	}
1161		1267
		1268	sub unlink_save {
		1269	my ($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
1162	sub try_load_header($) {	1276	sub load_header_from($) {
1163	my ($path) = @_;	1277	my ($self, $path) = @_;
1164		1278
1165	utf8::encode $path;	1279	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1167	or return;	1281	or return;
1168		1282
1169	my $map = cf::map::new	1283	$self->_load_header ($path)
1170	or return;	1284	or return;
1171		1285
1172	$map->load_header ($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
1173	or return;	1314	or return;
1174		1315
1175	$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	}
1176		1321
1177	$map	1322	1
1178	}	1323	}
1179		1324
		1325	sub find;
1180	sub find_map {	1326	sub find {
1181	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1182		1328
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1330
1188	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1189		1332
1190	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1192		1335	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1336	or return;
1208		1337
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1221		1342
1222	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1345	$map->reset;
1224	undef $guard;	1346	undef $guard;
1225	$map = cf::map::find_map ($path)	1347	$map = find $path
1226	or return;	1348	or return;
1227	}	1349	}
1228		1350
1229	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1230	}	1352	}
1231	}	1353	}
1232		1354
1233	sub load {	1355	sub load {
1234	my ($self) = @_;	1356	my ($self) = @_;
1235		1357
1236	my $path = $self->{path};	1358	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1238		1360
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1362
1241	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1242		1364
1243	$self->alloc;	1365	$self->alloc;
1244	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1367	or return;
1246		1368
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1370	if delete $self->{load_original};
1249		1371
1250	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1373	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1375	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1255	}	1377	}
1256	}	1378	}
		1379
		1380	Coro::cede;
1257		1381
1258	# now do the right thing for maps	1382	# now do the right thing for maps
1259	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1260		1384
1261	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1386	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1268	$self->set_darkness_map;	1390	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1271	$self->activate;	1394	$self->activate;
1272	}	1395	}
1273		1396
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1398	}
1276		1399
1277	sub load_map_sync {	1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1278	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1279		1435
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1281		1438
1282	cf::sync_job {	1439	sub do_load_sync {
1283	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
1284	or return;	1450	or next;
1285	$map->load;	1451	$map->load;
1286	$map	1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
1287	}	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	$MAP_PREFETCHER->ready;
		1470
		1471	()
1288	}	1472	}
1289		1473
1290	sub save {	1474	sub save {
1291	my ($self) = @_;	1475	my ($self) = @_;
1292		1476
		1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1478
1293	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1294		1480
1295	return unless $self->dirty;	1481	return unless $self->dirty;
1296		1482
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1483	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1485
1300	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1301		1487
1302	return if $self->{deny_save};	1488	return if $self->{deny_save};
1303		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1304	if ($uniq) {	1496	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1499	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1501	}
1310	}	1502	}
1311		1503
1312	sub swap_out {	1504	sub swap_out {
1313	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;
1314		1511
1315	return if $self->players;	1512	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1514	return if $self->{deny_save};
1318		1515
1319	$self->save;
1320	$self->clear;	1516	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1517	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1518	}
1323		1519
1324	sub reset_at {	1520	sub reset_at {
1325	my ($self) = @_;	1521	my ($self) = @_;
1326		1522
1327	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1330		1526
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1529
…		…
1338	my ($self) = @_;	1534	my ($self) = @_;
1339		1535
1340	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1341	}	1537	}
1342		1538
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1539	sub reset {
1365	my ($self) = @_;	1540	my ($self) = @_;
1366		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1367	return if $self->players;	1544	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1369		1546
1370	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1371		1548
1372	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1373		1553
1374	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1375		1555
1376	$self->unlink_save;	1556	$self->unlink_save;
1377	$self->destroy;	1557	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1560	my $nuke_counter = "aaaa";
1381		1561
1382	sub nuke {	1562	sub nuke {
1383	my ($self) = @_;	1563	my ($self) = @_;
1384		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1571	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1572	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
1388	$self->reset; # polite request, might not happen	1577	$self->reset; # polite request, might not happen
1389	}	1578	}
1390		1579
1391	sub customise_for {	1580	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1581
1394	if ($map->per_player) {	1582	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1583	instantiated unique items. May block.
1396	}
1397		1584
1398	$map	1585	=cut
1399	}
1400		1586
1401	sub emergency_save {	1587	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
1403		1590
1404	warn "enter emergency map save\n";	1591	my @paths;
1405		1592
1406	cf::sync_job {	1593	for (@$files) {
1407	warn "begin emergency map save\n";	1594	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1409	};	1600	}
1410		1601
1411	warn "end emergency map save\n";	1602	\@paths
1412	}	1603	}
1413		1604
1414	package cf;	1605	package cf;
1415		1606
1416	=back	1607	=back
1417		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
1418		1635
1419	=head3 cf::object::player	1636	=head3 cf::object::player
1420		1637
1421	=over 4	1638	=over 4
1422		1639
…		…
1462		1679
1463	=item $player_object->enter_link	1680	=item $player_object->enter_link
1464		1681
1465	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}>).
1466		1683
1467	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
1468	I<MUST> call C<leave_link> as soon as possible, though.	1685	I<MUST> call C<leave_link> as soon as possible, though.
1469		1686
		1687	Will never block.
		1688
1470	=item $player_object->leave_link ($map, $x, $y)	1689	=item $player_object->leave_link ($map, $x, $y)
1471		1690
1472	Moves the player out of the specila link map onto the given map. If the	1691	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1692	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1693	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1694	fails, to the emergency map position.
1476		1695
1477	Might block.	1696	Might block.
1478		1697
1479	=cut	1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($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	$LINK_MAP
		1708	}
1480		1709
1481	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1711	my ($self) = @_;
1483		1712
1484	$self->deactivate_recursive;	1713	$self->deactivate_recursive;
1485		1714
1486	return if $self->map == $LINK_MAP;	1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1716
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1718	if $self->map;
1490		1719
1491	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1492	}	1721	}
1493		1722
1494	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1496		1725
1497	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1498		1727
1499	unless ($map) {	1728	unless ($map) {
1500	# restore original map position	1729	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1503		1732
1504	unless ($map) {	1733	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1508	}	1737	}
1509	}	1738	}
1510		1739
1511	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1517		1746
1518	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1519		1749
		1750	return unless $self->contr->active;
1520	$self->activate_recursive;	1751	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1522	}	1753	}
1523		1754
1524	cf::player->attach (	1755	cf::player->attach (
…		…
1537		1768
1538	# try to abort aborted map switching on player login :)	1769	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1770	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1771	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1772	$pl->ob->enter_link;
1542	Coro::async {	1773	(async {
1543	# 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
1544	# 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);
1545	Coro::Timer::sleep 1;	1780	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1781	$pl->ob->leave_link;
1547	};	1782	})->prio (2);
1548	}	1783	}
1549	},	1784	},
1550	);	1785	);
1551		1786
1552	=item $player_object->goto_map ($path, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1553		1788
1554	=cut	1789	=cut
1555		1790
1556	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1558		1793
1559	$self->enter_link;	1794	$self->enter_link;
1560		1795
1561	(Coro::async {	1796	(async {
1562	$path = new cf::path $path;
1563
1564	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1566		1799
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1568	# if $map;	1801	# if $map;
1569		1802
1570	$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);
1571		1804
1572	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1806	})->prio (1);
1574	}	1807	}
1575		1808
…		…
1579		1812
1580	sub parse_random_map_params {	1813	sub parse_random_map_params {
1581	my ($spec) = @_;	1814	my ($spec) = @_;
1582		1815
1583	my $rmp = { # defaults	1816	my $rmp = { # defaults
1584	xsize => 10,	1817	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1818	ysize => (cf::rndm 15, 40),
		1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1820	#layout => string,
1586	};	1821	};
1587		1822
1588	for (split /\n/, $spec) {	1823	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1824	my ($k, $v) = split /\s+/, $_, 2;
1590		1825
…		…
1594	$rmp	1829	$rmp
1595	}	1830	}
1596		1831
1597	sub prepare_random_map {	1832	sub prepare_random_map {
1598	my ($exit) = @_;	1833	my ($exit) = @_;
		1834
		1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1836
1600	# all this does is basically replace the /! path by	1837	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1838	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1839	# that depends on the exit object
1603		1840
…		…
1612		1849
1613	$rmp->{random_seed} ||= $exit->random_seed;	1850	$rmp->{random_seed} ||= $exit->random_seed;
1614		1851
1615	my $data = cf::to_json $rmp;	1852	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1853	my $md5 = Digest::MD5::md5_hex $data;
		1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1855
1618	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) {
1619	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;
1620		1860
1621	$exit->slaying ("?random/$md5");	1861	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	1862	$exit->msg (undef);
1623	}	1863	}
1624	}	1864	}
…		…
1628		1868
1629	return unless $self->type == cf::PLAYER;	1869	return unless $self->type == cf::PLAYER;
1630		1870
1631	$self->enter_link;	1871	$self->enter_link;
1632		1872
1633	(Coro::async {	1873	(async {
		1874	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1875	unless (eval {
1635
1636	prepare_random_map $exit	1876	prepare_random_map $exit
1637	if $exit->slaying eq "/!";	1877	if $exit->slaying eq "/!";
1638		1878
1639	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;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1641		1881
1642	1;	1882	1;
1643	}) {	1883	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1884	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "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. "
1646	. "Please report this to the dungeon master",	1886	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1887	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1888
1649	warn "ERROR in enter_exit: $@";	1889	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1890	$self->leave_link;
1651	}	1891	}
…		…
1702	on_reply => sub {	1942	on_reply => sub {
1703	my ($ns, $msg) = @_;	1943	my ($ns, $msg) = @_;
1704		1944
1705	# this weird shuffling is so that direct followup queries	1945	# this weird shuffling is so that direct followup queries
1706	# get handled first	1946	# get handled first
1707	my $queue = delete $ns->{query_queue};	1947	my $queue = delete $ns->{query_queue}
		1948	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		1949
1709	(shift @$queue)->[1]->($msg);	1950	(shift @$queue)->[1]->($msg);
1710		1951
1711	push @{ $ns->{query_queue} }, @$queue;	1952	push @{ $ns->{query_queue} }, @$queue;
1712		1953
…		…
1718	}	1959	}
1719	}	1960	}
1720	},	1961	},
1721	);	1962	);
1722		1963
1723	=item $client->coro (\&cb)	1964	=item $client->async (\&cb)
1724		1965
1725	Create a new coroutine, running the specified callback. The coroutine will	1966	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	1967	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	1968	or loss of connection).
1728		1969
1729	=cut	1970	=cut
1730		1971
1731	sub cf::client::coro {	1972	sub cf::client::async {
1732	my ($self, $cb) = @_;	1973	my ($self, $cb) = @_;
1733		1974
1734	my $coro; $coro = async {	1975	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		1976
1741	$coro->on_destroy (sub {	1977	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	1978	delete $self->{_coro}{$coro+0};
1743	});	1979	});
1744		1980
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2215	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2216	or return;
1981		2217
1982	local $/;	2218	local $/;
1983	*CFG = YAML::Syck::Load <$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	}
1984	}	2233	}
1985		2234
1986	sub main {	2235	sub main {
1987	# we must not ever block the main coroutine	2236	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2237	local $Coro::idle = sub {
1989	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#
1990	(Coro::unblock_sub {	2239	(async {
1991	Event::one_event;	2240	Event::one_event;
1992	})->();	2241	})->prio (Coro::PRIO_MAX);
1993	};	2242	};
1994		2243
1995	cfg_load;	2244	cfg_load;
1996	db_load;	2245	db_load;
1997	load_extensions;	2246	load_extensions;
1998	Event::loop;	2247	Event::loop;
1999	}	2248	}
2000		2249
2001	#############################################################################	2250	#############################################################################
2002	# 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	$map->save;
		2288	}
		2289	warn "end emergency map save\n";
		2290	};
		2291
		2292	warn "leave emergency perl save\n";
		2293	}
2003		2294
2004	sub reload() {	2295	sub reload() {
2005	# can/must only be called in main	2296	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2297	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2298	warn "can only reload from main coroutine\n";
2008	return;	2299	return;
2009	}	2300	}
2010		2301
2011	warn "reloading...";	2302	warn "reloading...";
2012		2303
2013	local $FREEZE = 1;	2304	warn "freezing server";
		2305	my $guard = freeze_mainloop;
2014	cf::emergency_save;	2306	cf::emergency_save;
		2307
		2308	warn "sync database to disk";
		2309	cf::db_sync;
		2310	IO::AIO::flush;
2015		2311
2016	eval {	2312	eval {
2017	# 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
2018		2314
2019	# cancel all watchers	2315	warn "cancel all watchers";
2020	for (Event::all_watchers) {	2316	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2317	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2318	}
2023		2319
2024	# cancel all extension coros	2320	warn "cancel all extension coros";
2025	$_->cancel for values %EXT_CORO;	2321	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2322	%EXT_CORO = ();
2027		2323
		2324	warn "remove commands";
		2325	%COMMAND = ();
		2326
		2327	warn "remove ext commands";
		2328	%EXTCMD = ();
		2329
2028	# unload all extensions	2330	warn "unload/nuke all extensions";
2029	for (@exts) {	2331	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2332	warn "... unloading $pkg";
2031	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: $@";
2032	}	2339	}
2033		2340
		2341	warn "... nuking $pkg";
		2342	Symbol::delete_package $pkg;
		2343	}
		2344
2034	# unload all modules loaded from $LIBDIR	2345	warn "unload all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2346	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2348
2038	warn "removing <$k>";	2349	warn "removing <$k>";
2039	delete $INC{$k};	2350	delete $INC{$k};
…		…
2046	}	2357	}
2047		2358
2048	Symbol::delete_package $k;	2359	Symbol::delete_package $k;
2049	}	2360	}
2050		2361
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2362	warn "get rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2363	Symbol::delete_package "safe::$_"
2057	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);
2058		2365
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2366	warn "unload cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2367	delete $INC{"cf.pm"};
2064		2368
2065	# don't, removes xs symbols, too,	2369	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2370	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2371	#Symbol::delete_package __PACKAGE__;
2068		2372
2069	# reload cf.pm
2070	warn "reloading cf.pm";	2373	warn "reloading cf.pm";
2071	require cf;	2374	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2376
2074	# load config and database again	2377	warn "load config and database again";
2075	cf::cfg_load;	2378	cf::cfg_load;
2076	cf::db_load;	2379	cf::db_load;
2077		2380
2078	# load extensions
2079	warn "load extensions";	2381	warn "load extensions";
2080	cf::load_extensions;	2382	cf::load_extensions;
2081		2383
2082	# reattach attachments to objects	2384	warn "reattach attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2385	_global_reattach;
		2386	warn "reattach attachments to maps";
		2387	reattach $_ for values %MAP;
2085	};	2388	};
2086		2389
2087	if ($@) {	2390	if ($@) {
2088	warn $@;	2391	warn $@;
2089	warn "error while reloading, exiting.";	2392	warn "error while reloading, exiting.";
2090	exit 1;	2393	exit 1;
2091	}	2394	}
2092		2395
2093	warn "reloaded successfully";	2396	warn "reloaded";
2094	};	2397	};
2095		2398
2096	#############################################################################	2399	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2400
2141	register_command "reload" => sub {	2401	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2402	my ($who, $arg) = @_;
2143		2403
2144	if ($who->flag (FLAG_WIZ)) {	2404	if ($who->flag (FLAG_WIZ)) {
2145	$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 {
2146	reload;	2411	reload;
2147	$who->message ("end of reload.");	2412	undef $RELOAD_WATCHER;
		2413	});
2148	}	2414	}
2149	};	2415	};
2150		2416
2151	unshift @INC, $LIBDIR;	2417	unshift @INC, $LIBDIR;
2152		2418
…		…
2154	reentrant => 0,	2420	reentrant => 0,
2155	prio => 0,	2421	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2422	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2423	data => WF_AUTOCANCEL,
2158	cb => sub {	2424	cb => sub {
2159	unless ($FREEZE) {	2425	$NOW = Event::time;
		2426
2160	cf::server_tick; # one server iteration	2427	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2428	$RUNTIME += $TICK;
2162	}
2163
2164	$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;
2165		2433
2166	# 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
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2436
2169	$TICK_WATCHER->at ($NEXT_TICK);	2437	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2171	},	2439	},
2172	);	2440	);
2173		2441
2174	IO::AIO::max_poll_time $TICK * 0.2;	2442	IO::AIO::max_poll_time $TICK * 0.2;
2175		2443
2176	Event->io (	2444	$AIO_POLL_WATCHER = Event->io (
2177	fd => IO::AIO::poll_fileno,	2445	fd => IO::AIO::poll_fileno,
2178	poll => 'r',	2446	poll => 'r',
2179	prio => 5,	2447	prio => 5,
2180	data => WF_AUTOCANCEL,	2448	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,	2449	cb => \&IO::AIO::poll_cb,
2182	);	2450	);
2183		2451
2184	Event->timer (	2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2185	data => WF_AUTOCANCEL,	2453	data => WF_AUTOCANCEL,
2186	after => 0,	2454	after => 0,
2187	interval => 10,	2455	interval => 10,
2188	cb => sub {	2456	cb => sub {
2189	(Coro::unblock_sub {	2457	(Coro::unblock_sub {
…		…
2191	or warn "ERROR: unable to write runtime file: $!";	2459	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	2460	})->();
2193	},	2461	},
2194	);	2462	);
2195		2463
		2464	END { cf::emergency_save }
		2465
2196	1	2466	1
2197		2467

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines