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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 1.187 by root, Sat Jan 20 21:06:52 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	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1268	}
1088		1269
1089	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1090	# all maps in C++...	1271	# all maps in C++...
1091	sub change_all_map_light {	1272	sub change_all_map_light {
1092	my ($change) = @_;	1273	my ($change) = @_;
1093		1274
1094	$_->change_map_light ($change) for values %cf::MAP;	1275	$_->change_map_light ($change)
		1276	for grep $_->outdoor, values %cf::MAP;
1095	}	1277	}
1096		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1097	sub try_load_header($) {	1287	sub load_header_from($) {
1098	my ($path) = @_;	1288	my ($self, $path) = @_;
1099		1289
1100	utf8::encode $path;	1290	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1102	or return;	1292	or return;
1103		1293
1104	my $map = cf::map::new	1294	$self->_load_header ($path)
1105	or return;	1295	or return;
1106		1296
1107	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1108	or return;	1325	or return;
1109		1326
1110	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1111		1332
1112	$map	1333	1
1113	}	1334	}
1114		1335
		1336	sub find;
1115	sub find_map {	1337	sub find {
1116	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1117		1339
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1341
		1342	cf::lock_wait "map_find:$path";
		1343
1123	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1124	# do it the slow way	1345	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1346	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;	1347	or return;
1139		1348
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;	1349	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1350
		1351	$map->load_header
		1352	or return;
1153		1353
1154	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1357	$map->reset;
		1358	undef $guard;
1156	$map = find_map $path;	1359	$map = find $path
		1360	or return;
1157	}	1361	}
1158		1362
1159	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1160	}	1364	}
1161	}	1365	}
1162		1366
1163	sub load {	1367	sub load {
1164	my ($self) = @_;	1368	my ($self) = @_;
1165		1369
		1370	my $path = $self->{path};
		1371	my $guard = cf::lock_acquire "map_load:$path";
		1372
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1374
1168	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1169		1376
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1377	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1379	or return;
1175		1380
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1382	if delete $self->{load_original};
1178		1383
1179	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1385	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1387	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1184	}	1389	}
1185	}	1390	}
		1391
		1392	Coro::cede;
1186		1393
1187	# now do the right thing for maps	1394	# now do the right thing for maps
1188	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1189		1396
1190	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1398	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1197	$self->set_darkness_map;	1402	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1200	$self->activate;	1406	$self->activate;
1201	}	1407	}
1202		1408
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1410	}
1205		1411
1206	sub load_map_sync {	1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
		1443	}
		1444
		1445	sub find_sync {
1207	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1208		1447
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1448	cf::sync_job { find $path, $origin }
		1449	}
1210		1450
1211	cf::sync_job {	1451	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1452	my ($map) = @_;
1213	or return;	1453
		1454	cf::sync_job { $map->load };
		1455	}
		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
1214	$map->load;	1475	$map->load;
1215	$map	1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
1216	}	1481	};
		1482
		1483	()
1217	}	1484	}
1218		1485
1219	sub save {	1486	sub save {
1220	my ($self) = @_;	1487	my ($self) = @_;
1221		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1222	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1223		1492
1224	return unless $self->dirty;	1493	return unless $self->dirty;
1225		1494
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1497
1229	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1230		1499
1231	return if $self->{deny_save};	1500	return if $self->{deny_save};
1232		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1233	if ($uniq) {	1508	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1511	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1513	}
1239	}	1514	}
1240		1515
1241	sub swap_out {	1516	sub swap_out {
1242	my ($self) = @_;	1517	my ($self) = @_;
		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1523
1244	return if $self->players;	1524	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1526	return if $self->{deny_save};
1247		1527
1248	$self->save;
1249	$self->clear;	1528	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1530	}
1252		1531
1253	sub reset_at {	1532	sub reset_at {
1254	my ($self) = @_;	1533	my ($self) = @_;
1255		1534
1256	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1259		1538
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1541
…		…
1267	my ($self) = @_;	1546	my ($self) = @_;
1268		1547
1269	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1270	}	1549	}
1271		1550
1272	sub unlink_save {
1273	my ($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	$self->save;
1291	}
1292
1293	sub reset {	1551	sub reset {
1294	my ($self) = @_;	1552	my ($self) = @_;
1295		1553
		1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1555
1296	return if $self->players;	1556	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1298		1558
1299	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1300		1560
1301	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1302		1565
1303	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1304		1567
1305	$self->unlink_save;	1568	$self->unlink_save;
1306	$self->destroy;	1569	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1310		1573
1311	sub nuke {	1574	sub nuke {
1312	my ($self) = @_;	1575	my ($self) = @_;
1313		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1317	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1318	}	1590	}
1319		1591
1320	sub customise_for {	1592	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1593
1323	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1325	}
1326		1596
1327	$map	1597	=cut
1328	}
1329		1598
1330	sub emergency_save {	1599	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1332		1602
1333	warn "enter emergency map save\n";	1603	my @paths;
1334		1604
1335	cf::sync_job {	1605	for (@$files) {
1336	warn "begin emergency map save\n";	1606	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1338	};	1612	}
1339		1613
1340	warn "end emergency map save\n";	1614	\@paths
1341	}	1615	}
1342		1616
1343	package cf;	1617	package cf;
1344		1618
1345	=back	1619	=back
1346		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1347		1647
1348	=head3 cf::object::player	1648	=head3 cf::object::player
1349		1649
1350	=over 4	1650	=over 4
1351		1651
…		…
1391		1691
1392	=item $player_object->enter_link	1692	=item $player_object->enter_link
1393		1693
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1695
1396	The player should be reaosnably safe there for short amounts of time. You	1696	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.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1398		1698
		1699	Will never block.
		1700
1399	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1400		1702
1401	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1706	fails, to the emergency map position.
1405		1707
1406	Might block.	1708	Might block.
1407		1709
1408	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1409		1721
1410	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1723	my ($self) = @_;
1412		1724
1413	return if $self->map == $LINK_MAP;	1725	$self->deactivate_recursive;
1414		1726
		1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1728
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1730	if $self->map;
1417		1731
1418	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1733	}
1421		1734
1422	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1424		1737
1425	my $link_pos = delete $self->{_link_pos};	1738	my $link_pos = delete $self->{_link_pos};
1426		1739
1427	unless ($map) {	1740	unless ($map) {
1428	# restore original map position	1741	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1742	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1743	$map = cf::map::find $map;
1431		1744
1432	unless ($map) {	1745	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1746	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1747	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1748	or die "FATAL: cannot load emergency map\n";
1436	}	1749	}
1437	}	1750	}
1438		1751
1439	($x, $y) = (-1, -1)	1752	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1445		1758
1446	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1447		1761
		1762	return unless $self->contr->active;
1448	$self->activate_recursive;	1763	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1450	}	1765	}
1451		1766
		1767	cf::player->attach (
		1768	on_logout => sub {
		1769	my ($pl) = @_;
		1770
		1771	# abort map switching before logout
		1772	if ($pl->ob->{_link_pos}) {
		1773	cf::sync_job {
		1774	$pl->ob->leave_link
		1775	};
		1776	}
		1777	},
		1778	on_login => sub {
		1779	my ($pl) = @_;
		1780
		1781	# try to abort aborted map switching on player login :)
		1782	# should happen only on crashes
		1783	if ($pl->ob->{_link_pos}) {
		1784	$pl->ob->enter_link;
		1785	(async {
		1786	# we need this sleep as the login has a concurrent enter_exit running
		1787	# and this sleep increases chances of the player not ending up in scorn
		1788	$pl->ob->reply (undef,
		1789	"There was an internal problem at your last logout, "
		1790	. "the server will try to bring you to your intended destination in a second.",
		1791	cf::NDI_RED);
		1792	Coro::Timer::sleep 1;
		1793	$pl->ob->leave_link;
		1794	})->prio (2);
		1795	}
		1796	},
		1797	);
		1798
1452	=item $player_object->goto_map ($path, $x, $y)	1799	=item $player_object->goto ($path, $x, $y)
1453		1800
1454	=cut	1801	=cut
1455		1802
1456	sub cf::object::player::goto_map {	1803	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1458		1805
1459	$self->enter_link;	1806	$self->enter_link;
1460		1807
1461	(Coro::async {	1808	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1809	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1466		1811
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1813	# if $map;
1469		1814
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1816
1472	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1818	})->prio (1);
1474	}	1819	}
1475		1820
…		…
1479		1824
1480	sub parse_random_map_params {	1825	sub parse_random_map_params {
1481	my ($spec) = @_;	1826	my ($spec) = @_;
1482		1827
1483	my $rmp = { # defaults	1828	my $rmp = { # defaults
1484	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1486	};	1833	};
1487		1834
1488	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1490		1837
…		…
1494	$rmp	1841	$rmp
1495	}	1842	}
1496		1843
1497	sub prepare_random_map {	1844	sub prepare_random_map {
1498	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1848
1500	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1851	# that depends on the exit object
1503		1852
…		…
1512		1861
1513	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1514		1863
1515	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1867
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1520		1872
1521	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1874	$exit->msg (undef);
1523	}	1875	}
1524	}	1876	}
…		…
1528		1880
1529	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1530		1882
1531	$self->enter_link;	1883	$self->enter_link;
1532		1884
1533	(Coro::async {	1885	(async {
		1886	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1887	unless (eval {
1535
1536	prepare_random_map $exit	1888	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1538		1890
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	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);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1893
1542	1;	1894	1;
1543	}) {	1895	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1900
1549	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1902	$self->leave_link;
1551	}	1903	}
…		…
1602	on_reply => sub {	1954	on_reply => sub {
1603	my ($ns, $msg) = @_;	1955	my ($ns, $msg) = @_;
1604		1956
1605	# this weird shuffling is so that direct followup queries	1957	# this weird shuffling is so that direct followup queries
1606	# get handled first	1958	# get handled first
1607	my $queue = delete $ns->{query_queue};	1959	my $queue = delete $ns->{query_queue}
		1960	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1961
1609	(shift @$queue)->[1]->($msg);	1962	(shift @$queue)->[1]->($msg);
1610		1963
1611	push @{ $ns->{query_queue} }, @$queue;	1964	push @{ $ns->{query_queue} }, @$queue;
1612		1965
…		…
1618	}	1971	}
1619	}	1972	}
1620	},	1973	},
1621	);	1974	);
1622		1975
1623	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1624		1977
1625	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1980	or loss of connection).
1628		1981
1629	=cut	1982	=cut
1630		1983
1631	sub cf::client::coro {	1984	sub cf::client::async {
1632	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1633		1986
1634	my $coro; $coro = async {	1987	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		1988
1641	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1643	});	1991	});
1644		1992
…		…
1816		2164
1817	{	2165	{
1818	my $path = cf::localdir . "/database.pst";	2166	my $path = cf::localdir . "/database.pst";
1819		2167
1820	sub db_load() {	2168	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2169	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2170	}
1824		2171
1825	my $pid;	2172	my $pid;
1826		2173
1827	sub db_save() {	2174	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2175	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2176	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2177	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2178	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2179	rename "$path~", $path;
…		…
1840	sub db_sync() {	2186	sub db_sync() {
1841	db_save if $dirty;	2187	db_save if $dirty;
1842	undef $dirty;	2188	undef $dirty;
1843	}	2189	}
1844		2190
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;	2192	db_sync;
1847	});	2193	});
1848		2194
1849	sub db_dirty() {	2195	sub db_dirty() {
1850	$dirty = 1;	2196	$dirty = 1;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2227	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2228	or return;
1883		2229
1884	local $/;	2230	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2231	*CFG = YAML::Syck::Load <$fh>;
		2232
		2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2234
		2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2237
		2238	if (exists $CFG{mlockall}) {
		2239	eval {
		2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2241	and die "WARNING: m(un)lockall failed: $!\n";
		2242	};
		2243	warn $@ if $@;
		2244	}
1886	}	2245	}
1887		2246
1888	sub main {	2247	sub main {
1889	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2251	(async {
1893	Event::one_event;	2252	Event::one_event;
1894	})->();	2253	})->prio (Coro::PRIO_MAX);
1895	};	2254	};
1896		2255
1897	cfg_load;	2256	cfg_load;
1898	db_load;	2257	db_load;
1899	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
1900	Event::loop;	2261	Event::loop;
1901	}	2262	}
1902		2263
1903	#############################################################################	2264	#############################################################################
1904	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
1905		2308
1906	sub reload() {	2309	sub reload() {
1907	# can/must only be called in main	2310	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
1910	return;	2313	return;
1911	}	2314	}
1912		2315
1913	warn "reloading...";	2316	warn "reloading...";
1914		2317
1915	local $FREEZE = 1;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
1916	cf::emergency_save;	2321	cf::emergency_save;
1917		2322
1918	eval {	2323	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
1920		2325
1921	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2332	}
1925		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
1926	# cancel all extension coros	2342	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2344	%EXT_CORO = ();
1929		2345
1930	# unload all extensions	2346	warn "removing commands";
1931	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2354	warn "... unloading $pkg";
1933	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2361	}
1935		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
1936	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2370
1940	warn "removing <$k>";	2371	warn "... unloading $k";
1941	delete $INC{$k};	2372	delete $INC{$k};
1942		2373
1943	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
1945		2376
…		…
1948	}	2379	}
1949		2380
1950	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
1951	}	2382	}
1952		2383
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2387
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
1966		2390
1967	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2392	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
1970		2394
1971	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
1972	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
1973	require cf;	2398	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2400
1976	# load config and database again	2401	warn "loading config and database again";
1977	cf::cfg_load;	2402	cf::cfg_load;
1978	cf::db_load;	2403	cf::db_load;
1979		2404
1980	# load extensions
1981	warn "load extensions";	2405	warn "loading extensions";
1982	cf::load_extensions;	2406	cf::load_extensions;
1983		2407
1984	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
1987	};	2416	};
1988		2417
1989	if ($@) {	2418	if ($@) {
1990	warn $@;	2419	warn $@;
1991	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
1992	exit 1;	2421	exit 1;
1993	}	2422	}
1994		2423
1995	warn "reloaded successfully";	2424	warn "reloaded";
1996	};	2425	};
1997		2426
1998	#############################################################################	2427	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} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2428
2043	register_command "reload" => sub {	2429	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2045		2431
2046	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2048	reload;	2439	reload;
2049	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2050	}	2442	}
2051	};	2443	};
2052		2444
2053	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2054		2448
2055	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2057	prio => 0,	2452	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2060	cb => sub {	2455	cb => sub {
2061	unless ($FREEZE) {	2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2062	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2470
2068	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2473
2071	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2073	},	2476	},
2074	);	2477	);
2075		2478
2076	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2077		2480
2078	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2079	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2483	poll => 'r',
2081	prio => 5,	2484	prio => 5,
2082	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2084	);	2487	);
2085		2488
2086	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2087	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2088	after => 0,	2491	after => 1,
2089	interval => 10,	2492	interval => 10,
2090	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2092	write_runtime	2495	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2497	},
2096	);	2498	);
2097		2499
		2500	END { cf::emergency_save }
		2501
2098	1	2502	1
2099		2503

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