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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.192 by root, Wed Jan 24 01:43:01 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 $json
165		198
…		…
180		213
181	sub to_json($) {	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	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	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
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
259		350
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	352	or return;
262		353
		354	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	359	and return;
266		360
267	aio_fsync $fh	361	aio_fsync $fh
268	and return;	362	and return;
…		…
277	}	371	}
278		372
279	=back	373	=back
280		374
281	=cut	375	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		376
403	#############################################################################	377	#############################################################################
404		378
405	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
406		380
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	507	our @CB_MAP = ();
534		508
535	my %attachment;	509	my %attachment;
536		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
537	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
539		519
540	use sort 'stable';	520	use sort 'stable';
541		521
…		…
712	# object support	692	# object support
713		693
714	sub reattach {	694	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		699
718	my $registry = $obj->registry;	700	my $registry = $obj->registry;
719		701
720	@$registry = ();	702	@$registry = ();
721		703
…		…
853	=cut	835	=cut
854		836
855	sub register_extcmd {	837	sub register_extcmd {
856	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
857		839
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
862	}	841	}
863		842
864	cf::player->attach (	843	cf::player->attach (
865	on_command => sub {	844	on_command => sub {
866	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
879		858
880	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
881		860
882	if (ref $msg) {	861	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	865	}
887	}	866	}
888	} else {	867	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		870
892	cf::override;	871	cf::override;
893	},	872	},
894	);	873	);
895		874
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	875	sub load_extension {
903	my ($path) = @_;	876	my ($path) = @_;
904		877
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	879	my $base = $1;
907	my $pkg = $1;	880	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
910		883
911	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
912		885
913	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
914	or die "$path: $!";	887	or die "$path: $!";
915		888
916	my $source =	889	my $source =
917	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
920	. "\n};\n1";	893	. "\n};\n1";
921		894
922	eval $source	895	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	897	: "extension disabled.\n";
925		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	899	warn $@;
927	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
928		901	exit 1;
929	# no strict 'refs';	902	}
930	# @{"$pkg\::ISA"} = ext::;	903	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	904	}
945		905
946	# remove commands	906	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	907	}
971		908
972	sub load_extensions {	909	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	911	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
979	}	916	}
980	}	917	}
981		918
982	#############################################################################	919	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		920
1020	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1021		922
1022	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1023		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1024	=head3 cf::player	931	=head3 cf::player
1025		932
1026	=over 4	933	=over 4
1027		934
1028	=item cf::player::exists $login	935	=item cf::player::find $login
1029		936
1030	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1031		938
1032	=cut	939	=cut
1033		940
1034	sub cf::player::exists($) {	941	sub playerdir($) {
1035	cf::player::find $_[0]	942	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1037	}	1088	}
1038		1089
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1091
1041	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1042		1093
1043	=cut	1094	=cut
1044		1095
1045	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1047		1098
1048	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1049		1100
1050	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1051	}	1102	}
		1103
		1104	package cf;
1052		1105
1053	=back	1106	=back
1054		1107
1055		1108
1056	=head3 cf::map	1109	=head3 cf::map
…		…
1062	package cf::map;	1115	package cf::map;
1063		1116
1064	use Fcntl;	1117	use Fcntl;
1065	use Coro::AIO;	1118	use Coro::AIO;
1066		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1067	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1069		1126
1070	sub generate_random_map {	1127	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1130	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1270	}
1088		1271
1089	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1090	# all maps in C++...	1273	# all maps in C++...
1091	sub change_all_map_light {	1274	sub change_all_map_light {
1092	my ($change) = @_;	1275	my ($change) = @_;
1093		1276
1094	$_->change_map_light ($change) for values %cf::MAP;	1277	$_->change_map_light ($change)
		1278	for grep $_->outdoor, values %cf::MAP;
1095	}	1279	}
1096		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1097	sub try_load_header($) {	1289	sub load_header_from($) {
1098	my ($path) = @_;	1290	my ($self, $path) = @_;
1099		1291
1100	utf8::encode $path;	1292	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1102	or return;	1294	or return;
1103		1295
1104	my $map = cf::map::new	1296	$self->_load_header ($path)
1105	or return;	1297	or return;
1106		1298
1107	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1108	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1109		1345
1110	$map->{load_path} = $path;	1346	1
1111
1112	$map
1113	}	1347	}
1114		1348
		1349	sub find;
1115	sub find_map {	1350	sub find {
1116	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1117		1352
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1354
		1355	cf::lock_wait "map_find:$path";
		1356
1123	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1124	# do it the slow way	1358	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1359	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1360	or return;
1139		1361
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1363
		1364	$map->load_header
		1365	or return;
1153		1366
1154	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1370	$map->reset;
1156	$map = find_map $path;	1371	undef $guard;
		1372	return find $path;
1157	}	1373	}
1158		1374
1159	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1160	}	1376	}
1161	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1162		1381
1163	sub load {	1382	sub load {
1164	my ($self) = @_;	1383	my ($self) = @_;
1165		1384
		1385	my $path = $self->{path};
		1386	my $guard = cf::lock_acquire "map_load:$path";
		1387
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1389
1168	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1169		1391
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1173	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1397	or return;
1175		1398
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1400	if delete $self->{load_original};
1178		1401
1179	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1403	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1405	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1184	}	1407	}
1185	}	1408	}
		1409
		1410	Coro::cede;
1186		1411
1187	# now do the right thing for maps	1412	# now do the right thing for maps
1188	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1189		1414
1190	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1416	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1197	$self->set_darkness_map;	1420	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1200	$self->activate;	1424	$self->activate;
1201	}	1425	}
1202		1426
		1427	$self->post_load;
		1428
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1430	}
1205		1431
1206	sub load_map_sync {	1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
		1463	}
		1464
		1465	sub find_sync {
1207	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1208		1467
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1468	cf::sync_job { find $path, $origin }
		1469	}
1210		1470
1211	cf::sync_job {	1471	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1472	my ($map) = @_;
1213	or return;	1473
		1474	cf::sync_job { $map->load };
		1475	}
		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
1214	$map->load;	1495	$map->load;
1215	$map	1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
1216	}	1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
1217	}	1505	}
1218		1506
1219	sub save {	1507	sub save {
1220	my ($self) = @_;	1508	my ($self) = @_;
1221		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
1222	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1223		1513
1224	return unless $self->dirty;	1514	return unless $self->dirty;
1225		1515
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1518
1229	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1230		1520
1231	return if $self->{deny_save};	1521	return if $self->{deny_save};
1232		1522
		1523	local $self->{last_access} = $self->last_access;#d#
		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1233	if ($uniq) {	1529	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1532	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1534	}
1239	}	1535	}
1240		1536
1241	sub swap_out {	1537	sub swap_out {
1242	my ($self) = @_;	1538	my ($self) = @_;
		1539
		1540	# save first because save cedes
		1541	$self->save;
		1542
		1543	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1544
1244	return if $self->players;	1545	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1547	return if $self->{deny_save};
1247		1548
1248	$self->save;
1249	$self->clear;	1549	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1550	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1551	}
1252		1552
1253	sub reset_at {	1553	sub reset_at {
1254	my ($self) = @_;	1554	my ($self) = @_;
1255		1555
1256	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1259		1559
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1562
…		…
1267	my ($self) = @_;	1567	my ($self) = @_;
1268		1568
1269	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1270	}	1570	}
1271		1571
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1572	sub reset {
1294	my ($self) = @_;	1573	my ($self) = @_;
1295		1574
		1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1576
1296	return if $self->players;	1577	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1298		1579
1299	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1300		1581
1301	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1302		1586
1303	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1304		1588
1305	$self->unlink_save;	1589	$self->unlink_save;
1306	$self->destroy;	1590	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1310		1594
1311	sub nuke {	1595	sub nuke {
1312	my ($self) = @_;	1596	my ($self) = @_;
1313		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1317	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1318	}	1611	}
1319		1612
1320	sub customise_for {	1613	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1614
1323	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1325	}
1326		1617
1327	$map	1618	=cut
1328	}
1329		1619
1330	sub emergency_save {	1620	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1332		1623
1333	warn "enter emergency map save\n";	1624	my @paths;
1334		1625
1335	cf::sync_job {	1626	for (@$files) {
1336	warn "begin emergency map save\n";	1627	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1338	};	1633	}
1339		1634
1340	warn "end emergency map save\n";	1635	\@paths
1341	}	1636	}
1342		1637
1343	package cf;	1638	package cf;
1344		1639
1345	=back	1640	=back
1346		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1347		1668
1348	=head3 cf::object::player	1669	=head3 cf::object::player
1349		1670
1350	=over 4	1671	=over 4
1351		1672
…		…
1391		1712
1392	=item $player_object->enter_link	1713	=item $player_object->enter_link
1393		1714
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1716
1396	The player should be reaosnably safe there for short amounts of time. You	1717	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1398		1719
		1720	Will never block.
		1721
1399	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1400		1723
1401	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1727	fails, to the emergency map position.
1405		1728
1406	Might block.	1729	Might block.
1407		1730
1408	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1409		1742
1410	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1744	my ($self) = @_;
1412		1745
1413	return if $self->map == $LINK_MAP;	1746	$self->deactivate_recursive;
1414		1747
		1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1749
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1751	if $self->map;
1417		1752
1418	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1754	}
1421		1755
1422	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1424		1758
1425	my $link_pos = delete $self->{_link_pos};	1759	my $link_pos = delete $self->{_link_pos};
1426		1760
1427	unless ($map) {	1761	unless ($map) {
1428	# restore original map position	1762	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1763	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1764	$map = cf::map::find $map;
1431		1765
1432	unless ($map) {	1766	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1767	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1768	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1769	or die "FATAL: cannot load emergency map\n";
1436	}	1770	}
1437	}	1771	}
1438		1772
1439	($x, $y) = (-1, -1)	1773	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1445		1779
1446	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1447		1782
		1783	return unless $self->contr->active;
1448	$self->activate_recursive;	1784	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1450	}	1786	}
1451		1787
		1788	cf::player->attach (
		1789	on_logout => sub {
		1790	my ($pl) = @_;
		1791
		1792	# abort map switching before logout
		1793	if ($pl->ob->{_link_pos}) {
		1794	cf::sync_job {
		1795	$pl->ob->leave_link
		1796	};
		1797	}
		1798	},
		1799	on_login => sub {
		1800	my ($pl) = @_;
		1801
		1802	# try to abort aborted map switching on player login :)
		1803	# should happen only on crashes
		1804	if ($pl->ob->{_link_pos}) {
		1805	$pl->ob->enter_link;
		1806	(async {
		1807	# we need this sleep as the login has a concurrent enter_exit running
		1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
		1813	Coro::Timer::sleep 1;
		1814	$pl->ob->leave_link;
		1815	})->prio (2);
		1816	}
		1817	},
		1818	);
		1819
1452	=item $player_object->goto_map ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
1453		1821
1454	=cut	1822	=cut
1455		1823
1456	sub cf::object::player::goto_map {	1824	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1458		1826
1459	$self->enter_link;	1827	$self->enter_link;
1460		1828
1461	(Coro::async {	1829	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1830	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1466		1832
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1834	# if $map;
1469		1835
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1837
1472	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1839	})->prio (1);
1474	}	1840	}
1475		1841
…		…
1479		1845
1480	sub parse_random_map_params {	1846	sub parse_random_map_params {
1481	my ($spec) = @_;	1847	my ($spec) = @_;
1482		1848
1483	my $rmp = { # defaults	1849	my $rmp = { # defaults
1484	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1486	};	1854	};
1487		1855
1488	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1490		1858
…		…
1494	$rmp	1862	$rmp
1495	}	1863	}
1496		1864
1497	sub prepare_random_map {	1865	sub prepare_random_map {
1498	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1869
1500	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1872	# that depends on the exit object
1503		1873
…		…
1512		1882
1513	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1514		1884
1515	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1888
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1520		1893
1521	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1895	$exit->msg (undef);
1523	}	1896	}
1524	}	1897	}
…		…
1528		1901
1529	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1530		1903
1531	$self->enter_link;	1904	$self->enter_link;
1532		1905
1533	(Coro::async {	1906	(async {
		1907	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1908	unless (eval {
1535
1536	prepare_random_map $exit	1909	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1538		1911
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1914
1542	1;	1915	1;
1543	}) {	1916	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1921
1549	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1923	$self->leave_link;
1551	}	1924	}
…		…
1602	on_reply => sub {	1975	on_reply => sub {
1603	my ($ns, $msg) = @_;	1976	my ($ns, $msg) = @_;
1604		1977
1605	# this weird shuffling is so that direct followup queries	1978	# this weird shuffling is so that direct followup queries
1606	# get handled first	1979	# get handled first
1607	my $queue = delete $ns->{query_queue};	1980	my $queue = delete $ns->{query_queue}
		1981	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1982
1609	(shift @$queue)->[1]->($msg);	1983	(shift @$queue)->[1]->($msg);
1610		1984
1611	push @{ $ns->{query_queue} }, @$queue;	1985	push @{ $ns->{query_queue} }, @$queue;
1612		1986
…		…
1618	}	1992	}
1619	}	1993	}
1620	},	1994	},
1621	);	1995	);
1622		1996
1623	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1624		1998
1625	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2001	or loss of connection).
1628		2002
1629	=cut	2003	=cut
1630		2004
1631	sub cf::client::coro {	2005	sub cf::client::async {
1632	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1633		2007
1634	my $coro; $coro = async {	2008	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2009
1641	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1643	});	2012	});
1644		2013
…		…
1816		2185
1817	{	2186	{
1818	my $path = cf::localdir . "/database.pst";	2187	my $path = cf::localdir . "/database.pst";
1819		2188
1820	sub db_load() {	2189	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2190	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2191	}
1824		2192
1825	my $pid;	2193	my $pid;
1826		2194
1827	sub db_save() {	2195	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2196	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2197	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2198	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2199	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2200	rename "$path~", $path;
…		…
1840	sub db_sync() {	2207	sub db_sync() {
1841	db_save if $dirty;	2208	db_save if $dirty;
1842	undef $dirty;	2209	undef $dirty;
1843	}	2210	}
1844		2211
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1846	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1847	});	2219	);
1848		2220
1849	sub db_dirty() {	2221	sub db_dirty() {
1850	$dirty = 1;	2222	$dirty = 1;
1851	$idle->start;	2223	$idle->start;
1852	}	2224	}
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2254	or return;
1883		2255
1884	local $/;	2256	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
		2258
		2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
		2264	if (exists $CFG{mlockall}) {
		2265	eval {
		2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2267	and die "WARNING: m(un)lockall failed: $!\n";
		2268	};
		2269	warn $@ if $@;
		2270	}
1886	}	2271	}
1887		2272
1888	sub main {	2273	sub main {
1889	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2277	(async {
1893	Event::one_event;	2278	Event::one_event;
1894	})->();	2279	})->prio (Coro::PRIO_MAX);
1895	};	2280	};
1896		2281
1897	cfg_load;	2282	cfg_load;
1898	db_load;	2283	db_load;
1899	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
1900	Event::loop;	2287	Event::loop;
1901	}	2288	}
1902		2289
1903	#############################################################################	2290	#############################################################################
1904	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
1905		2336
1906	sub reload() {	2337	sub reload() {
1907	# can/must only be called in main	2338	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
1910	return;	2341	return;
1911	}	2342	}
1912		2343
1913	warn "reloading...";	2344	warn "reloading...";
1914		2345
1915	local $FREEZE = 1;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
1916	cf::emergency_save;	2349	cf::emergency_save;
1917		2350
1918	eval {	2351	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
1920		2353
1921	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2360	}
1925		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
1926	# cancel all extension coros	2370	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2372	%EXT_CORO = ();
1929		2373
1930	# unload all extensions	2374	warn "removing commands";
1931	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2382	warn "... unloading $pkg";
1933	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2389	}
1935		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
1936	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2398
1940	warn "removing <$k>";	2399	warn "... unloading $k";
1941	delete $INC{$k};	2400	delete $INC{$k};
1942		2401
1943	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
1945		2404
…		…
1948	}	2407	}
1949		2408
1950	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
1951	}	2410	}
1952		2411
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2415
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
1966		2418
1967	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2420	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
1970		2422
1971	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
1972	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
1973	require cf;	2426	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2428
1976	# load config and database again	2429	warn "loading config and database again";
1977	cf::cfg_load;	2430	cf::cfg_load;
1978	cf::db_load;	2431	cf::db_load;
1979		2432
1980	# load extensions
1981	warn "load extensions";	2433	warn "loading extensions";
1982	cf::load_extensions;	2434	cf::load_extensions;
1983		2435
1984	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
1987	};	2444	};
1988		2445
1989	if ($@) {	2446	if ($@) {
1990	warn $@;	2447	warn $@;
1991	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
1992	exit 1;	2449	exit 1;
1993	}	2450	}
1994		2451
1995	warn "reloaded successfully";	2452	warn "reloaded";
1996	};	2453	};
1997		2454
1998	#############################################################################	2455	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2456
2043	register_command "reload" => sub {	2457	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2045		2459
2046	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2048	reload;	2471	reload;
2049	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2050	}	2475	}
2051	};	2476	};
2052		2477
2053	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2054		2481
2055	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2057	prio => 0,	2485	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2060	cb => sub {	2488	cb => sub {
2061	unless ($FREEZE) {	2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2062	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2067		2509
2068	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2512
2071	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2073	},	2515	},
2074	);	2516	);
2075		2517
2076	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2077		2519
2078	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2524	poll => 'r',
2081	prio => 5,	2525	prio => 6,
2082	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2084	);	2528	);
2085		2529
2086	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2087	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2088	after => 0,	2533	after => 1,
2089	interval => 10,	2534	interval => 10,
2090	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2092	write_runtime	2537	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2539	},
2096	);	2540	);
2097		2541
		2542	END { cf::emergency_save }
		2543
2098	1	2544	1
2099		2545

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