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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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
…		…
817	(aio_load "$filename.pst", $av) >= 0	799	(aio_load "$filename.pst", $av) >= 0
818	or return;	800	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	801	$av = eval { (Storable::thaw $av)->{objs} };
820	}	802	}
821		803
		804	warn sprintf "loading %s (%d)\n",
		805	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	806	return ($data, $av);
823	}	807	}
824		808
825	#############################################################################	809	#############################################################################
826	# command handling &c	810	# command handling &c
…		…
851	=cut	835	=cut
852		836
853	sub register_extcmd {	837	sub register_extcmd {
854	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
855		839
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
860	}	841	}
861		842
862	cf::player->attach (	843	cf::player->attach (
863	on_command => sub {	844	on_command => sub {
864	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
877		858
878	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
879		860
880	if (ref $msg) {	861	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	865	}
885	}	866	}
886	} else {	867	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		870
890	cf::override;	871	cf::override;
891	},	872	},
892	);	873	);
893		874
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	875	sub load_extension {
901	my ($path) = @_;	876	my ($path) = @_;
902		877
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	879	my $base = $1;
905	my $pkg = $1;	880	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
908		883
909	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
910		885
911	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
912	or die "$path: $!";	887	or die "$path: $!";
913		888
914	my $source =	889	my $source =
915	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
918	. "\n};\n1";	893	. "\n};\n1";
919		894
920	eval $source	895	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	897	: "extension disabled.\n";
923		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	899	warn $@;
925	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
926		901	exit 1;
927	# no strict 'refs';	902	}
928	# @{"$pkg\::ISA"} = ext::;	903	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	904	}
943		905
944	# remove commands	906	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	907	}
969		908
970	sub load_extensions {	909	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	911	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
977	}	916	}
978	}	917	}
979		918
980	#############################################################################	919	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		920
1018	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1019		922
1020	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1021		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1022	=head3 cf::player	931	=head3 cf::player
1023		932
1024	=over 4	933	=over 4
1025		934
1026	=item cf::player::exists $login	935	=item cf::player::find $login
1027		936
1028	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1029		938
1030	=cut	939	=cut
1031		940
1032	sub cf::player::exists($) {	941	sub playerdir($) {
1033	cf::player::find $_[0]	942	cf::localdir
1034	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
1035	}	1088	}
1036		1089
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1091
1039	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1040		1093
1041	=cut	1094	=cut
1042		1095
1043	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1045		1098
1046	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1047		1100
1048	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1049	}	1102	}
		1103
		1104	package cf;
1050		1105
1051	=back	1106	=back
1052		1107
1053		1108
1054	=head3 cf::map	1109	=head3 cf::map
…		…
1060	package cf::map;	1115	package cf::map;
1061		1116
1062	use Fcntl;	1117	use Fcntl;
1063	use Coro::AIO;	1118	use Coro::AIO;
1064		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1065	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1067		1126
1068	sub generate_random_map {	1127	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1130	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1260	}
1086		1261
1087	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1088	# all maps in C++...	1263	# all maps in C++...
1089	sub change_all_map_light {	1264	sub change_all_map_light {
1090	my ($change) = @_;	1265	my ($change) = @_;
1091		1266
1092	$_->change_map_light ($change) for values %cf::MAP;	1267	$_->change_map_light ($change)
		1268	for grep $_->outdoor, values %cf::MAP;
1093	}	1269	}
1094		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1095	sub try_load_header($) {	1279	sub load_header_from($) {
1096	my ($path) = @_;	1280	my ($self, $path) = @_;
1097		1281
1098	utf8::encode $path;	1282	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1100	or return;	1284	or return;
1101		1285
1102	my $map = cf::map::new	1286	$self->_load_header ($path)
1103	or return;	1287	or return;
1104		1288
1105	$map->load_header ($path)	1289	$self->{load_path} = $path;
		1290
		1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1106	or return;	1317	or return;
1107		1318
1108	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1109		1324
1110	$map	1325	1
1111	}	1326	}
1112		1327
		1328	sub find;
1113	sub find_map {	1329	sub find {
1114	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1115		1331
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1333
		1334	cf::lock_wait "map_find:$path";
		1335
1121	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1122	# do it the slow way	1337	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1338	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1339	or return;
1137		1340
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1341	$map->{last_save} = $cf::RUNTIME;
		1342
		1343	$map->load_header
		1344	or return;
1149		1345
1150	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1349	$map->reset;
		1350	undef $guard;
1152	$map = find_map $path;	1351	$map = find $path
		1352	or return;
1153	}	1353	}
1154		1354
1155	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1156	}	1356	}
1157	}	1357	}
1158		1358
1159	sub load {	1359	sub load {
1160	my ($self) = @_;	1360	my ($self) = @_;
1161		1361
		1362	my $path = $self->{path};
		1363	my $guard = cf::lock_acquire "map_load:$path";
		1364
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1366
1164	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1165		1368
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1369	$self->alloc;
1169	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1371	or return;
1171		1372
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1374	if delete $self->{load_original};
1174		1375
1175	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1377	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1379	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1180	}	1381	}
1181	}	1382	}
		1383
		1384	Coro::cede;
1182		1385
1183	# now do the right thing for maps	1386	# now do the right thing for maps
1184	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1185		1388
1186	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1390	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1193	$self->set_darkness_map;	1394	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1196	$self->activate;	1398	$self->activate;
1197	}	1399	}
1198		1400
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1402	}
1201		1403
1202	sub load_map_sync {	1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
		1435	}
		1436
		1437	sub find_sync {
1203	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1204		1439
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1440	cf::sync_job { find $path, $origin }
		1441	}
1206		1442
1207	cf::sync_job {	1443	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1444	my ($map) = @_;
1209	or return;	1445
		1446	cf::sync_job { $map->load };
		1447	}
		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
1210	$map->load;	1467	$map->load;
1211	$map	1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
1212	}	1473	};
		1474
		1475	()
1213	}	1476	}
1214		1477
1215	sub save {	1478	sub save {
1216	my ($self) = @_;	1479	my ($self) = @_;
1217		1480
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1482
1221	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1222		1484
1223	return unless $self->dirty;	1485	return unless $self->dirty;
1224		1486
		1487	my $save = $self->save_path; utf8::encode $save;
		1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1489
1225	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1226		1491
1227	return if $self->{deny_save};	1492	return if $self->{deny_save};
1228		1493
		1494	local $self->{last_access} = $self->last_access;#d#
		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1229	if ($uniq) {	1500	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1503	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1505	}
1235	}	1506	}
1236		1507
1237	sub swap_out {	1508	sub swap_out {
1238	my ($self) = @_;	1509	my ($self) = @_;
		1510
		1511	# save first because save cedes
		1512	$self->save;
		1513
		1514	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1515
1240	return if $self->players;	1516	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1518	return if $self->{deny_save};
1243		1519
1244	$self->save;
1245	$self->clear;	1520	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1521	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1522	}
1248		1523
1249	sub reset_at {	1524	sub reset_at {
1250	my ($self) = @_;	1525	my ($self) = @_;
1251		1526
1252	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1255		1530
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1533
…		…
1263	my ($self) = @_;	1538	my ($self) = @_;
1264		1539
1265	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1266	}	1541	}
1267		1542
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1543	sub reset {
1290	my ($self) = @_;	1544	my ($self) = @_;
1291		1545
		1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1547
1292	return if $self->players;	1548	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1294		1550
1295	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1296		1552
1297	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1298		1557
1299	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1300		1559
1301	$self->unlink_save;	1560	$self->unlink_save;
1302	$self->destroy;	1561	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1306		1565
1307	sub nuke {	1566	sub nuke {
1308	my ($self) = @_;	1567	my ($self) = @_;
1309		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1313	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1314	}	1582	}
1315		1583
1316	sub customise_for {	1584	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1585
1319	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1321	}
1322		1588
1323	$map	1589	=cut
1324	}
1325		1590
1326	sub emergency_save {	1591	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1328		1594
1329	warn "enter emergency map save\n";	1595	my @paths;
1330		1596
1331	cf::sync_job {	1597	for (@$files) {
1332	warn "begin emergency map save\n";	1598	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1334	};	1604	}
1335		1605
1336	warn "end emergency map save\n";	1606	\@paths
1337	}	1607	}
1338		1608
1339	package cf;	1609	package cf;
1340		1610
1341	=back	1611	=back
1342		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1343		1639
1344	=head3 cf::object::player	1640	=head3 cf::object::player
1345		1641
1346	=over 4	1642	=over 4
1347		1643
…		…
1387		1683
1388	=item $player_object->enter_link	1684	=item $player_object->enter_link
1389		1685
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1687
1392	The player should be reaosnably safe there for short amounts of time. You	1688	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1394		1690
		1691	Will never block.
		1692
1395	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1396		1694
1397	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1698	fails, to the emergency map position.
1401		1699
1402	Might block.	1700	Might block.
1403		1701
1404	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1405		1713
1406	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1715	my ($self) = @_;
1408		1716
1409	return if $self->map == $LINK_MAP;	1717	$self->deactivate_recursive;
1410		1718
		1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1720
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1722	if $self->map;
1413		1723
1414	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1415	$self->deactivate_recursive;
1416	}	1725	}
1417		1726
1418	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1420		1729
1421	my $link_pos = delete $self->{_link_pos};	1730	my $link_pos = delete $self->{_link_pos};
1422		1731
1423	unless ($map) {	1732	unless ($map) {
1424	# restore original map position	1733	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1734	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1735	$map = cf::map::find $map;
1427		1736
1428	unless ($map) {	1737	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1738	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1739	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1740	or die "FATAL: cannot load emergency map\n";
1432	}	1741	}
1433	}	1742	}
1434		1743
1435	($x, $y) = (-1, -1)	1744	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1441		1750
1442	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1443		1753
		1754	return unless $self->contr->active;
1444	$self->activate_recursive;	1755	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1446	}	1757	}
1447		1758
		1759	cf::player->attach (
		1760	on_logout => sub {
		1761	my ($pl) = @_;
		1762
		1763	# abort map switching before logout
		1764	if ($pl->ob->{_link_pos}) {
		1765	cf::sync_job {
		1766	$pl->ob->leave_link
		1767	};
		1768	}
		1769	},
		1770	on_login => sub {
		1771	my ($pl) = @_;
		1772
		1773	# try to abort aborted map switching on player login :)
		1774	# should happen only on crashes
		1775	if ($pl->ob->{_link_pos}) {
		1776	$pl->ob->enter_link;
		1777	(async {
		1778	# we need this sleep as the login has a concurrent enter_exit running
		1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
		1784	Coro::Timer::sleep 1;
		1785	$pl->ob->leave_link;
		1786	})->prio (2);
		1787	}
		1788	},
		1789	);
		1790
1448	=item $player_object->goto_map ($map, $x, $y)	1791	=item $player_object->goto ($path, $x, $y)
1449		1792
1450	=cut	1793	=cut
1451		1794
1452	sub cf::object::player::goto_map {	1795	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1454		1797
1455	$self->enter_link;	1798	$self->enter_link;
1456		1799
1457	(Coro::async {	1800	(async {
1458	$path = new cf::path $path;
1459
1460	my $map = cf::map::find_map $path->as_string;	1801	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1462		1803
1463	warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1805	# if $map;
1465		1806
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1808
1468	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1810	})->prio (1);
1470	}	1811	}
1471		1812
…		…
1475		1816
1476	sub parse_random_map_params {	1817	sub parse_random_map_params {
1477	my ($spec) = @_;	1818	my ($spec) = @_;
1478		1819
1479	my $rmp = { # defaults	1820	my $rmp = { # defaults
1480	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1482	};	1825	};
1483		1826
1484	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1486		1829
…		…
1490	$rmp	1833	$rmp
1491	}	1834	}
1492		1835
1493	sub prepare_random_map {	1836	sub prepare_random_map {
1494	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1840
1496	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1843	# that depends on the exit object
1499		1844
…		…
1508		1853
1509	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1510		1855
1511	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1859
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1516		1864
1517	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1866	$exit->msg (undef);
1519	}	1867	}
1520	}	1868	}
…		…
1524		1872
1525	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1526		1874
1527	$self->enter_link;	1875	$self->enter_link;
1528		1876
1529	(Coro::async {	1877	(async {
		1878	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1879	unless (eval {
1531
1532	prepare_random_map $exit	1880	prepare_random_map $exit
1533	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1534		1882
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1537		1885
1538	1;	1886	1;
1539	}) {	1887	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1892
1545	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1894	$self->leave_link;
1547	}	1895	}
…		…
1598	on_reply => sub {	1946	on_reply => sub {
1599	my ($ns, $msg) = @_;	1947	my ($ns, $msg) = @_;
1600		1948
1601	# this weird shuffling is so that direct followup queries	1949	# this weird shuffling is so that direct followup queries
1602	# get handled first	1950	# get handled first
1603	my $queue = delete $ns->{query_queue};	1951	my $queue = delete $ns->{query_queue}
		1952	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		1953
1605	(shift @$queue)->[1]->($msg);	1954	(shift @$queue)->[1]->($msg);
1606		1955
1607	push @{ $ns->{query_queue} }, @$queue;	1956	push @{ $ns->{query_queue} }, @$queue;
1608		1957
…		…
1614	}	1963	}
1615	}	1964	}
1616	},	1965	},
1617	);	1966	);
1618		1967
1619	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1620		1969
1621	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	1972	or loss of connection).
1624		1973
1625	=cut	1974	=cut
1626		1975
1627	sub cf::client::coro {	1976	sub cf::client::async {
1628	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1629		1978
1630	my $coro; $coro = async {	1979	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		1980
1637	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1639	});	1983	});
1640		1984
…		…
1812		2156
1813	{	2157	{
1814	my $path = cf::localdir . "/database.pst";	2158	my $path = cf::localdir . "/database.pst";
1815		2159
1816	sub db_load() {	2160	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };	2161	$DB = stat $path ? Storable::retrieve $path : { };
1819	}	2162	}
1820		2163
1821	my $pid;	2164	my $pid;
1822		2165
1823	sub db_save() {	2166	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;	2167	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {	2168	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;	2169	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";	2170	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;	2171	rename "$path~", $path;
…		…
1836	sub db_sync() {	2178	sub db_sync() {
1837	db_save if $dirty;	2179	db_save if $dirty;
1838	undef $dirty;	2180	undef $dirty;
1839	}	2181	}
1840		2182
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;	2184	db_sync;
1843	});	2185	});
1844		2186
1845	sub db_dirty() {	2187	sub db_dirty() {
1846	$dirty = 1;	2188	$dirty = 1;
…		…
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2219	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2220	or return;
1879		2221
1880	local $/;	2222	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2223	*CFG = YAML::Syck::Load <$fh>;
		2224
		2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2226
		2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2229
		2230	if (exists $CFG{mlockall}) {
		2231	eval {
		2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2233	and die "WARNING: m(un)lockall failed: $!\n";
		2234	};
		2235	warn $@ if $@;
		2236	}
1882	}	2237	}
1883		2238
1884	sub main {	2239	sub main {
1885	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2243	(async {
1889	Event::one_event;	2244	Event::one_event;
1890	})->();	2245	})->prio (Coro::PRIO_MAX);
1891	};	2246	};
1892		2247
1893	cfg_load;	2248	cfg_load;
1894	db_load;	2249	db_load;
1895	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
1896	Event::loop;	2253	Event::loop;
1897	}	2254	}
1898		2255
1899	#############################################################################	2256	#############################################################################
1900	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
1901		2300
1902	sub reload() {	2301	sub reload() {
1903	# can/must only be called in main	2302	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
1906	return;	2305	return;
1907	}	2306	}
1908		2307
1909	warn "reloading...";	2308	warn "reloading...";
1910		2309
1911	local $FREEZE = 1;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
1912	cf::emergency_save;	2313	cf::emergency_save;
1913		2314
1914	eval {	2315	eval {
1915	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
1916		2317
1917	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2324	}
1921		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
1922	# cancel all extension coros	2334	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2336	%EXT_CORO = ();
1925		2337
1926	# unload all extensions	2338	warn "removing commands";
1927	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2346	warn "... unloading $pkg";
1929	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2353	}
1931		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
1932	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2362
1936	warn "removing <$k>";	2363	warn "... unloading $k";
1937	delete $INC{$k};	2364	delete $INC{$k};
1938		2365
1939	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
1941		2368
…		…
1944	}	2371	}
1945		2372
1946	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
1947	}	2374	}
1948		2375
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2379
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
1962		2382
1963	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2384	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
1966		2386
1967	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
1968	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
1969	require cf;	2390	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2392
1972	# load config and database again	2393	warn "loading config and database again";
1973	cf::cfg_load;	2394	cf::cfg_load;
1974	cf::db_load;	2395	cf::db_load;
1975		2396
1976	# load extensions
1977	warn "load extensions";	2397	warn "loading extensions";
1978	cf::load_extensions;	2398	cf::load_extensions;
1979		2399
1980	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
1983	};	2408	};
1984		2409
1985	if ($@) {	2410	if ($@) {
1986	warn $@;	2411	warn $@;
1987	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
1988	exit 1;	2413	exit 1;
1989	}	2414	}
1990		2415
1991	warn "reloaded successfully";	2416	warn "reloaded";
1992	};	2417	};
1993		2418
1994	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2420
2039	register_command "reload" => sub {	2421	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2041		2423
2042	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2044	reload;	2431	reload;
2045	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2046	}	2434	}
2047	};	2435	};
2048		2436
2049	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2050		2440
2051	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2053	prio => 0,	2444	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2056	cb => sub {	2447	cb => sub {
2057	unless ($FREEZE) {	2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2058	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2063		2462
2064	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2465
2067	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2069	},	2468	},
2070	);	2469	);
2071		2470
2072	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2073		2472
2074	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2075	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2475	poll => 'r',
2077	prio => 5,	2476	prio => 5,
2078	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2080	);	2479	);
2081		2480
2082	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2083	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2084	after => 0,	2483	after => 1,
2085	interval => 10,	2484	interval => 10,
2086	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2087	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2088	write_runtime	2487	write_runtime
2089	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2090	})->();
2091	},	2489	},
2092	);	2490	);
2093		2491
		2492	END { cf::emergency_save }
		2493
2094	1	2494	1
2095		2495

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