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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.183 by root, Fri Jan 19 19:42:37 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	294	=cut
198		295
199	sub sync_job(&) {	296	sub sync_job(&) {
200	my ($job) = @_;	297	my ($job) = @_;
201		298
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
212	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
		315
215	while ($busy) {	316	while ($busy) {
216	Coro::cede_notself;	317	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	318	}
		319
		320	wantarray ? @res : $res[0]
219	} else {	321	} else {
220	$coro->join;	322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
221	}	325	}
222
223	wantarray ? @res : $res[0]
224	}	326	}
225		327
226	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
227		329
228	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
230		332
231	=cut	333	=cut
232		334
233	sub coro(&) {	335	sub async_ext(&) {
234	my $cb = shift;	336	my $cb = shift;
235		337
236	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		339
243	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
245	});	342	});
246	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
253		350
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	352	or return;
256		353
257	my $value = $cf::RUNTIME;	354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	356	and return;
260		357
261	aio_fsync $fh	358	aio_fsync $fh
262	and return;	359	and return;
…		…
271	}	368	}
272		369
273	=back	370	=back
274		371
275	=cut	372	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		373
387	#############################################################################	374	#############################################################################
388		375
389	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
390		377
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	504	our @CB_MAP = ();
518		505
519	my %attachment;	506	my %attachment;
520		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
521	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
523		516
524	use sort 'stable';	517	use sort 'stable';
525		518
…		…
696	# object support	689	# object support
697		690
698	sub reattach {	691	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		696
702	my $registry = $obj->registry;	697	my $registry = $obj->registry;
703		698
704	@$registry = ();	699	@$registry = ();
705		700
…		…
798	or return;	793	or return;
799		794
800	unless (aio_stat "$filename.pst") {	795	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	796	(aio_load "$filename.pst", $av) >= 0
802	or return;	797	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	798	$av = eval { (Storable::thaw $av)->{objs} };
804	}	799	}
805		800
		801	warn sprintf "loading %s (%d)\n",
		802	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	803	return ($data, $av);
807	}	804	}
808		805
809	#############################################################################	806	#############################################################################
810	# command handling &c	807	# command handling &c
…		…
835	=cut	832	=cut
836		833
837	sub register_extcmd {	834	sub register_extcmd {
838	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
839		836
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
844	}	838	}
845		839
846	cf::player->attach (	840	cf::player->attach (
847	on_command => sub {	841	on_command => sub {
848	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
861		855
862	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
863		857
864	if (ref $msg) {	858	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	862	}
869	}	863	}
870	} else {	864	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		867
874	cf::override;	868	cf::override;
875	},	869	},
876	);	870	);
877		871
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	872	sub load_extension {
885	my ($path) = @_;	873	my ($path) = @_;
886		874
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	876	my $base = $1;
889	my $pkg = $1;	877	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
892		880
893	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
894		882
895	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
896	or die "$path: $!";	884	or die "$path: $!";
897		885
898	my $source =	886	my $source =
899	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
902	. "\n};\n1";	890	. "\n};\n1";
903		891
904	eval $source	892	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	894	: "extension disabled.\n";
907		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	896	warn $@;
909	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
910		898	exit 1;
911	# no strict 'refs';	899	}
912	# @{"$pkg\::ISA"} = ext::;	900	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	901	}
927		902
928	# remove commands	903	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	904	}
953		905
954	sub load_extensions {	906	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	908	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
961	}	913	}
962	}	914	}
963		915
964	#############################################################################	916	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		917
1002	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1003		919
1004	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1005		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1006	=head3 cf::player	928	=head3 cf::player
1007		929
1008	=over 4	930	=over 4
1009		931
1010	=item cf::player::exists $login	932	=item cf::player::find $login
1011		933
1012	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1013		935
1014	=cut	936	=cut
1015		937
1016	sub cf::player::exists($) {	938	sub playerdir($) {
1017	cf::player::find $_[0]	939	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat path $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} || do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} || do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
1019	}	1085	}
1020		1086
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1088
1023	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1024		1090
1025	=cut	1091	=cut
1026		1092
1027	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1029		1095
1030	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1031		1097
1032	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1033	}	1099	}
		1100
		1101	package cf;
1034		1102
1035	=back	1103	=back
1036		1104
1037		1105
1038	=head3 cf::map	1106	=head3 cf::map
…		…
1044	package cf::map;	1112	package cf::map;
1045		1113
1046	use Fcntl;	1114	use Fcntl;
1047	use Coro::AIO;	1115	use Coro::AIO;
1048		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1049	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1123
1054	sub generate_random_map {	1124	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1127	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	my ($self, $merge) = @_;
		1157
		1158	# we have to keep some variables in memory intact
		1159	local $self->{path};
		1160	local $self->{load_path};
		1161	local $self->{deny_save};
		1162	local $self->{deny_reset};
		1163
		1164	$self->SUPER::thawer_merge ($merge);
		1165	}
		1166
		1167	sub normalise {
		1168	my ($path, $base) = @_;
		1169
		1170	# map plan:
		1171	#
		1172	# /! non-realised random map exit (special hack!)
		1173	# {... are special paths that are not being touched
		1174	# ?xxx/... are special absolute paths
		1175	# ?random/... random maps
		1176	# /... normal maps
		1177	# ~user/... per-player map of a specific user
		1178
		1179	$path =~ s/$PATH_SEP/\//go;
		1180
		1181	# treat it as relative path if it starts with
		1182	# something that looks reasonable
		1183	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1185
		1186	$base =~ s{[^/]+/?$}{};
		1187	$path = "$base/$path";
		1188	}
		1189
		1190	for ($path) {
		1191	redo if s{//}{/};
		1192	redo if s{/\.?/}{/};
		1193	redo if s{/[^/]+/\.\./}{/};
		1194	}
		1195
		1196	$path
		1197	}
		1198
		1199	sub new_from_path {
		1200	my (undef, $path, $base) = @_;
		1201
		1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1203
		1204	$path = normalise $path, $base;
		1205
		1206	for my $pkg (keys %EXT_MAP) {
		1207	if ($path =~ $EXT_MAP{$pkg}) {
		1208	my $self = bless cf::map::new, $pkg;
		1209	$self->{path} = $path; $self->path ($path);
		1210	$self->init; # pass $1 etc.
		1211	return $self;
		1212	}
		1213	}
		1214
		1215	Carp::carp "unable to resolve path '$path'.";
		1216	()
		1217	}
		1218
		1219	sub init {
		1220	my ($self) = @_;
		1221
		1222	$self
		1223	}
		1224
		1225	sub as_string {
		1226	my ($self) = @_;
		1227
		1228	"$self->{path}"
		1229	}
		1230
		1231	# the displayed name, this is a one way mapping
		1232	sub visible_name {
		1233	&as_string
		1234	}
		1235
		1236	# the original (read-only) location
		1237	sub load_path {
		1238	my ($self) = @_;
		1239
		1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1241	}
		1242
		1243	# the temporary/swap location
		1244	sub save_path {
		1245	my ($self) = @_;
		1246
		1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1249	}
		1250
		1251	# the unique path, undef == no special unique path
		1252	sub uniq_path {
		1253	my ($self) = @_;
		1254
		1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1257	}
1072		1258
1073	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1074	# all maps in C++...	1260	# all maps in C++...
1075	sub change_all_map_light {	1261	sub change_all_map_light {
1076	my ($change) = @_;	1262	my ($change) = @_;
1077		1263
1078	$_->change_map_light ($change) for values %cf::MAP;	1264	$_->change_map_light ($change)
		1265	for grep $_->outdoor, values %cf::MAP;
1079	}	1266	}
1080		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->save_path);
		1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1274	}
		1275
1081	sub try_load_header($) {	1276	sub load_header_from($) {
1082	my ($path) = @_;	1277	my ($self, $path) = @_;
1083		1278
1084	utf8::encode $path;	1279	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1086	or return;	1281	or return;
1087		1282
1088	my $map = cf::map::new	1283	$self->_load_header ($path)
1089	or return;	1284	or return;
1090		1285
1091	$map->load_header ($path)	1286	$self->{load_path} = $path;
		1287
		1288	1
		1289	}
		1290
		1291	sub load_orig {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->load_path)
		1295	}
		1296
		1297	sub load_temp {
		1298	my ($self) = @_;
		1299
		1300	$self->load_header_from ($self->save_path)
		1301	}
		1302
		1303	sub load_header {
		1304	my ($self) = @_;
		1305
		1306	if ($self->load_temp) {
		1307	$self->last_access ((delete $self->{last_access})
		1308	|| $cf::RUNTIME); #d#
		1309	# safety
		1310	$self->{instantiate_time} = $cf::RUNTIME
		1311	if $self->{instantiate_time} > $cf::RUNTIME;
		1312	} else {
		1313	$self->load_orig
1092	or return;	1314	or return;
1093		1315
1094	$map->{load_path} = $path;	1316	$self->{load_original} = 1;
1095	use Data::Dumper; warn Dumper $map;#d#	1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
1096		1321
1097	$map	1322	1
1098	}	1323	}
1099		1324
		1325	sub find;
1100	sub find_map {	1326	sub find {
1101	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1102		1328
1103	#warn "find_map<$path,$origin>\n";#d#	1329	$path = normalise $path, $origin && $origin->path;
1104		1330
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1331	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1332
1108	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1109	# do it the slow way	1334	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1335	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1336	or return;
1124		1337
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1338	$map->{last_save} = $cf::RUNTIME;
1135		1339
		1340	$map->load_header
		1341	or return;
		1342
1136	$map->reset if $map->should_reset;	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
		1345	$map->reset;
		1346	undef $guard;
		1347	$map = find $path
		1348	or return;
		1349	}
1137		1350
1138	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1139	}	1352	}
1140	}	1353	}
1141		1354
1142	sub load {	1355	sub load {
1143	my ($self) = @_;	1356	my ($self) = @_;
1144		1357
		1358	my $path = $self->{path};
		1359	my $guard = cf::lock_acquire "map_load:$path";
		1360
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1362
1147	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1148		1364
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1365	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1367	or return;
1154		1368
		1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1370	if delete $self->{load_original};
		1371
1155	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1373	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1375	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1160	}	1377	}
1161	}	1378	}
		1379
		1380	Coro::cede;
1162		1381
1163	# now do the right thing for maps	1382	# now do the right thing for maps
1164	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1165		1384
1166	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1386	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1173	$self->set_darkness_map;	1390	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1176	$self->activate;	1394	$self->activate;
1177	}	1395	}
1178		1396
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1398	}
1181		1399
1182	sub load_map_sync {	1400	sub customise_for {
		1401	my ($self, $ob) = @_;
		1402
		1403	return find "~" . $ob->name . "/" . $self->{path}
		1404	if $self->per_player;
		1405
		1406	$self
		1407	}
		1408
		1409	# find and load all maps in the 3x3 area around a map
		1410	sub load_diag {
		1411	my ($map) = @_;
		1412
		1413	my @diag; # diagonal neighbours
		1414
		1415	for (0 .. 3) {
		1416	my $neigh = $map->tile_path ($_)
		1417	or next;
		1418	$neigh = find $neigh, $map
		1419	or next;
		1420	$neigh->load;
		1421
		1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1424	}
		1425
		1426	for (@diag) {
		1427	my $neigh = find @$_
		1428	or next;
		1429	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1183	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1184		1435
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1186		1438
1187	cf::sync_job {	1439	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
1189	or return;	1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = undef;
		1447
		1448	sub find_async {
		1449	my ($path, $origin) = @_;
		1450
		1451	$path = normalise $path, $origin && $origin->{path};
		1452
		1453	if (my $map = $cf::MAP{$path}) {
		1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1455	}
		1456
		1457	undef $MAP_PREFETCH{$path};
		1458	$MAP_PREFETCHER ||= cf::async {
		1459	while (%MAP_PREFETCH) {
		1460	for my $path (keys %MAP_PREFETCH) {
		1461	warn "prefetching $path...\n";#d#
		1462	my $map = find $path
		1463	or next;
1190	$map->load;	1464	$map->load;
1191	$map	1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
1192	}	1470	};
		1471
		1472	()
1193	}	1473	}
1194		1474
1195	sub save {	1475	sub save {
1196	my ($self) = @_;	1476	my ($self) = @_;
1197		1477
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1479
1201	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1202		1481
1203	return unless $self->dirty;	1482	return unless $self->dirty;
1204		1483
		1484	my $save = $self->save_path; utf8::encode $save;
		1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1486
1205	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1206		1488
1207	return if $self->{deny_save};	1489	return if $self->{deny_save};
1208		1490
1209	warn "saving map ", $self->path;	1491	local $self->{last_access} = $self->last_access;#d#
		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
1210		1496
1211	if ($uniq) {	1497	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1500	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1502	}
1217	}	1503	}
1218		1504
1219	sub swap_out {	1505	sub swap_out {
1220	my ($self) = @_;	1506	my ($self) = @_;
		1507
		1508	# save first because save cedes
		1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1512
1222	return if $self->players;	1513	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1515	return if $self->{deny_save};
1225		1516
1226	$self->save;
1227	$self->clear;	1517	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1518	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1519	}
1230		1520
		1521	sub reset_at {
		1522	my ($self) = @_;
		1523
		1524	# TODO: safety, remove and allow resettable per-player maps
		1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1526	return 1e99 if $self->{deny_reset};
		1527
		1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1530
		1531	$time + $to
		1532	}
		1533
1231	sub should_reset {	1534	sub should_reset {
1232	my ($map) = @_;	1535	my ($self) = @_;
1233		1536
1234	# TODO: safety, remove and allow resettable per-player maps	1537	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1538	}
1243		1539
1244	sub reset {	1540	sub reset {
1245	my ($self) = @_;	1541	my ($self) = @_;
1246		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1247	return if $self->players;	1545	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1249		1547
1250	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1251		1549
1252	utf8::encode (my $save = $self->{path}->save_path);	1550	delete $cf::MAP{$self->path};
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1551
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1255		1554
1256	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1257		1556
		1557	$self->unlink_save;
1258	$self->clear;	1558	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1559	}
1262		1560
1263	sub customise_for {	1561	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1562
1266	if ($map->per_player) {	1563	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1564	my ($self) = @_;
1268	}
1269		1565
1270	$map	1566	delete $cf::MAP{$self->path};
1271	}
1272		1567
1273	sub emergency_save {	1568	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1569
1276	warn "enter emergency map save\n";	1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
		1572	$self->{deny_save} = 1;
		1573	$self->reset_timeout (1);
		1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1575
1278	cf::sync_job {	1576	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1577
1280	$_->save for values %cf::MAP;	1578	$self->reset; # polite request, might not happen
		1579	}
		1580
		1581	=item cf::map::unique_maps
		1582
		1583	Returns an arrayref of paths of all shared maps that have
		1584	instantiated unique items. May block.
		1585
		1586	=cut
		1587
		1588	sub unique_maps() {
		1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
		1591
		1592	my @paths;
		1593
		1594	for (@$files) {
		1595	utf8::decode $_;
		1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1281	};	1601	}
1282		1602
1283	warn "end emergency map save\n";	1603	\@paths
1284	}	1604	}
1285		1605
1286	package cf;	1606	package cf;
1287		1607
1288	=back	1608	=back
1289		1609
		1610	=head3 cf::object
		1611
		1612	=cut
		1613
		1614	package cf::object;
		1615
		1616	=over 4
		1617
		1618	=item $ob->inv_recursive
		1619
		1620	Returns the inventory of the object _and_ their inventories, recursively.
		1621
		1622	=cut
		1623
		1624	sub inv_recursive_;
		1625	sub inv_recursive_ {
		1626	map { $_, inv_recursive_ $_->inv } @_
		1627	}
		1628
		1629	sub inv_recursive {
		1630	inv_recursive_ inv $_[0]
		1631	}
		1632
		1633	package cf;
		1634
		1635	=back
1290		1636
1291	=head3 cf::object::player	1637	=head3 cf::object::player
1292		1638
1293	=over 4	1639	=over 4
1294		1640
…		…
1330	(ref $cf::CFG{"may_$access"}	1676	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1677	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1678	: $cf::CFG{"may_$access"})
1333	}	1679	}
1334		1680
		1681	=item $player_object->enter_link
		1682
		1683	Freezes the player and moves him/her to a special map (C<{link}>).
		1684
		1685	The player should be reasonably safe there for short amounts of time. You
		1686	I<MUST> call C<leave_link> as soon as possible, though.
		1687
		1688	Will never block.
		1689
		1690	=item $player_object->leave_link ($map, $x, $y)
		1691
		1692	Moves the player out of the special C<{link}> map onto the specified
		1693	map. If the map is not valid (or omitted), the player will be moved back
		1694	to the location he/she was before the call to C<enter_link>, or, if that
		1695	fails, to the emergency map position.
		1696
		1697	Might block.
		1698
		1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($LINK_MAP) {
		1703	$LINK_MAP = cf::map::find "{link}"
		1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1705	$LINK_MAP->load;
		1706	}
		1707
		1708	$LINK_MAP
		1709	}
		1710
1335	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1712	my ($self) = @_;
1337		1713
1338	return if $self->map == $LINK_MAP;	1714	$self->deactivate_recursive;
1339		1715
		1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1717
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1719	if $self->map;
1342		1720
1343	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1722	}
1346		1723
1347	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1349		1726
1350	my $link_pos = delete $self->{_link_pos};	1727	my $link_pos = delete $self->{_link_pos};
1351		1728
1352	unless ($map) {	1729	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1730	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1731	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1732	$map = cf::map::find $map;
1358		1733
1359	unless ($map) {	1734	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1735	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1736	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1737	or die "FATAL: cannot load emergency map\n";
1363	}	1738	}
1364	}	1739	}
1365		1740
1366	($x, $y) = (-1, -1)	1741	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1372		1747
1373	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1374		1750
		1751	return unless $self->contr->active;
1375	$self->activate_recursive;	1752	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1377	}	1754	}
1378		1755
		1756	cf::player->attach (
		1757	on_logout => sub {
		1758	my ($pl) = @_;
		1759
		1760	# abort map switching before logout
		1761	if ($pl->ob->{_link_pos}) {
		1762	cf::sync_job {
		1763	$pl->ob->leave_link
		1764	};
		1765	}
		1766	},
		1767	on_login => sub {
		1768	my ($pl) = @_;
		1769
		1770	# try to abort aborted map switching on player login :)
		1771	# should happen only on crashes
		1772	if ($pl->ob->{_link_pos}) {
		1773	$pl->ob->enter_link;
		1774	(async {
		1775	# we need this sleep as the login has a concurrent enter_exit running
		1776	# and this sleep increases chances of the player not ending up in scorn
		1777	$pl->ob->reply (undef,
		1778	"There was an internal problem at your last logout, "
		1779	. "the server will try to bring you to your intended destination in a second.",
		1780	cf::NDI_RED);
		1781	Coro::Timer::sleep 1;
		1782	$pl->ob->leave_link;
		1783	})->prio (2);
		1784	}
		1785	},
		1786	);
		1787
1379	=item $player_object->goto_map ($map, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1380		1789
1381	=cut	1790	=cut
1382		1791
1383	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1385		1794
1386	$self->enter_link;	1795	$self->enter_link;
1387		1796
1388	(Coro::async {	1797	(async {
1389	$path = new cf::path $path;
1390
1391	my $map = cf::map::find_map $path->as_string;	1798	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1393		1800
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1802	# if $map;
		1803
		1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1805
1397	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1807	})->prio (1);
1399	}	1808	}
1400		1809
…		…
1404		1813
1405	sub parse_random_map_params {	1814	sub parse_random_map_params {
1406	my ($spec) = @_;	1815	my ($spec) = @_;
1407		1816
1408	my $rmp = { # defaults	1817	my $rmp = { # defaults
1409	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1411	};	1822	};
1412		1823
1413	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1415		1826
…		…
1419	$rmp	1830	$rmp
1420	}	1831	}
1421		1832
1422	sub prepare_random_map {	1833	sub prepare_random_map {
1423	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1837
1425	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1840	# that depends on the exit object
1428		1841
…		…
1437		1850
1438	$rmp->{random_seed} ||= $exit->random_seed;	1851	$rmp->{random_seed} ||= $exit->random_seed;
1439		1852
1440	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1856
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	1858	aio_write $fh, 0, (length $data), $data, 0;
		1859	undef $fh;
		1860	aio_rename "$meta~", $meta;
1445		1861
1446	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1863	$exit->msg (undef);
1448	}	1864	}
1449	}	1865	}
…		…
1453		1869
1454	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1455		1871
1456	$self->enter_link;	1872	$self->enter_link;
1457		1873
1458	(Coro::async {	1874	(async {
		1875	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1876	unless (eval {
1460
1461	prepare_random_map $exit	1877	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1463		1879
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1882
1467	1;	1883	1;
1468	}) {	1884	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1886	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1888	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1889
1474	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1891	$self->leave_link;
1476	}	1892	}
…		…
1527	on_reply => sub {	1943	on_reply => sub {
1528	my ($ns, $msg) = @_;	1944	my ($ns, $msg) = @_;
1529		1945
1530	# this weird shuffling is so that direct followup queries	1946	# this weird shuffling is so that direct followup queries
1531	# get handled first	1947	# get handled first
1532	my $queue = delete $ns->{query_queue};	1948	my $queue = delete $ns->{query_queue}
		1949	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1950
1534	(shift @$queue)->[1]->($msg);	1951	(shift @$queue)->[1]->($msg);
1535		1952
1536	push @{ $ns->{query_queue} }, @$queue;	1953	push @{ $ns->{query_queue} }, @$queue;
1537		1954
…		…
1543	}	1960	}
1544	}	1961	}
1545	},	1962	},
1546	);	1963	);
1547		1964
1548	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1549		1966
1550	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1969	or loss of connection).
1553		1970
1554	=cut	1971	=cut
1555		1972
1556	sub cf::client::coro {	1973	sub cf::client::async {
1557	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1558		1975
1559	my $coro; $coro = async {	1976	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1977
1566	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1568	});	1980	});
1569		1981
…		…
1741		2153
1742	{	2154	{
1743	my $path = cf::localdir . "/database.pst";	2155	my $path = cf::localdir . "/database.pst";
1744		2156
1745	sub db_load() {	2157	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2158	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2159	}
1749		2160
1750	my $pid;	2161	my $pid;
1751		2162
1752	sub db_save() {	2163	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2164	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2165	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2166	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2167	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2168	rename "$path~", $path;
…		…
1765	sub db_sync() {	2175	sub db_sync() {
1766	db_save if $dirty;	2176	db_save if $dirty;
1767	undef $dirty;	2177	undef $dirty;
1768	}	2178	}
1769		2179
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;	2181	db_sync;
1772	});	2182	});
1773		2183
1774	sub db_dirty() {	2184	sub db_dirty() {
1775	$dirty = 1;	2185	$dirty = 1;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2216	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2217	or return;
1808		2218
1809	local $/;	2219	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2220	*CFG = YAML::Syck::Load <$fh>;
		2221
		2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2223
		2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2226
		2227	if (exists $CFG{mlockall}) {
		2228	eval {
		2229	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2230	and die "WARNING: m(un)lockall failed: $!\n";
		2231	};
		2232	warn $@ if $@;
		2233	}
1811	}	2234	}
1812		2235
1813	sub main {	2236	sub main {
1814	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2240	(async {
1818	Event::one_event;	2241	Event::one_event;
1819	})->();	2242	})->prio (Coro::PRIO_MAX);
1820	};	2243	};
1821		2244
1822	cfg_load;	2245	cfg_load;
1823	db_load;	2246	db_load;
1824	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
1825	Event::loop;	2250	Event::loop;
1826	}	2251	}
1827		2252
1828	#############################################################################	2253	#############################################################################
1829	# initialisation	2254	# initialisation and cleanup
1830		2255
		2256	# install some emergency cleanup handlers
		2257	BEGIN {
		2258	for my $signal (qw(INT HUP TERM)) {
		2259	Event->signal (
		2260	data => WF_AUTOCANCEL,
		2261	signal => $signal,
		2262	cb => sub {
		2263	cf::cleanup "SIG$signal";
		2264	},
		2265	);
		2266	}
		2267	}
		2268
		2269	sub emergency_save() {
		2270	my $freeze_guard = cf::freeze_mainloop;
		2271
		2272	warn "enter emergency perl save\n";
		2273
		2274	cf::sync_job {
		2275	# use a peculiar iteration method to avoid tripping on perl
		2276	# refcount bugs in for. also avoids problems with players
		2277	# and maps saved/destroyed asynchronously.
		2278	warn "begin emergency player save\n";
		2279	for my $login (keys %cf::PLAYER) {
		2280	my $pl = $cf::PLAYER{$login} or next;
		2281	$pl->valid or next;
		2282	$pl->save;
		2283	}
		2284	warn "end emergency player save\n";
		2285
		2286	warn "begin emergency map save\n";
		2287	for my $path (keys %cf::MAP) {
		2288	my $map = $cf::MAP{$path} or next;
		2289	$map->valid or next;
		2290	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
		2297
1831	sub perl_reload() {	2298	sub reload() {
1832	# can/must only be called in main	2299	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
1835	return;	2302	return;
1836	}	2303	}
1837		2304
1838	warn "reloading...";	2305	warn "reloading...";
1839		2306
1840	local $FREEZE = 1;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
1841	cf::emergency_save;	2310	cf::emergency_save;
1842		2311
1843	eval {	2312	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2313	# if anything goes wrong in here, we should simply crash as we already saved
1845		2314
1846	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2321	}
1850		2322
		2323	warn "flushing outstanding aio requests";
		2324	for (;;) {
		2325	IO::AIO::flush;
		2326	Coro::cede;
		2327	last unless IO::AIO::nreqs;
		2328	warn "iterate...";
		2329	}
		2330
1851	# cancel all extension coros	2331	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2333	%EXT_CORO = ();
1854		2334
1855	# unload all extensions	2335	warn "removing commands";
1856	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1858	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2350	}
1860		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1861	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2359
1865	warn "removing <$k>";	2360	warn "... unloading $k";
1866	delete $INC{$k};	2361	delete $INC{$k};
1867		2362
1868	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
1870		2365
…		…
1873	}	2368	}
1874		2369
1875	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1876	}	2371	}
1877		2372
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2376
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1891		2379
1892	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2381	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1895		2383
1896	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
1897	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
1898	require cf;	2387	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2389
1901	# load config and database again	2390	warn "loading config and database again";
1902	cf::cfg_load;	2391	cf::cfg_load;
1903	cf::db_load;	2392	cf::db_load;
1904		2393
1905	# load extensions
1906	warn "load extensions";	2394	warn "loading extensions";
1907	cf::load_extensions;	2395	cf::load_extensions;
1908		2396
1909	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
1912	};	2405	};
1913		2406
1914	if ($@) {	2407	if ($@) {
1915	warn $@;	2408	warn $@;
1916	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
1917	exit 1;	2410	exit 1;
1918	}	2411	}
1919		2412
1920	warn "reloaded successfully";	2413	warn "reloaded";
1921	};	2414	};
1922		2415
1923	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
1924		2417
1925	unless ($LINK_MAP) {	2418	register_command "reload" => sub {
1926	$LINK_MAP = cf::map::new;	2419	my ($who, $arg) = @_;
1927		2420
1928	$LINK_MAP->width (41);	2421	if ($who->flag (FLAG_WIZ)) {
1929	$LINK_MAP->height (41);	2422	$who->message ("reloading server.");
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2423
1935	# dirty hack because... archetypes are not yet loaded	2424	# doing reload synchronously and two reloads happen back-to-back,
1936	Event->timer (	2425	# coro crashes during coro_state_free->destroy here.
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940		2426
1941	# provide some exits "home"	2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
1942	my $exit = cf::object::new "exit";	2428	reload;
1943		2429	undef $RELOAD_WATCHER;
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});	2430	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {
1969	my ($who, $arg) = @_;
1970
1971	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");
1975	}	2431	}
1976	};	2432	};
1977		2433
1978	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
1979		2437
1980	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
1982	prio => 0,	2441	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2442	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
1985	cb => sub {	2444	cb => sub {
1986	unless ($FREEZE) {	2445	if ($Coro::current != $Coro::main) {
		2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2447	unless ++$bug_warning > 10;
		2448	return;
		2449	}
		2450
		2451	$NOW = Event::time;
		2452
1987	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2455	$NEXT_TICK += $TICK;
		2456
		2457	$WAIT_FOR_TICK->broadcast;
		2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
1992		2459
1993	# if we are delayed by four ticks or more, skip them all	2460	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2462
1996	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
1998	},	2465	},
1999	);	2466	);
2000		2467
2001	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2002		2469
2003	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2004	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2005	poll => 'r',	2472	poll => 'r',
2006	prio => 5,	2473	prio => 5,
2007	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2009	);	2476	);
2010		2477
2011	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2012	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2013	after => 0,	2480	after => 1,
2014	interval => 10,	2481	interval => 10,
2015	cb => sub {	2482	cb => Coro::unblock_sub {
2016	(Coro::unblock_sub {
2017	write_runtime	2483	write_runtime
2018	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2019	})->();
2020	},	2485	},
2021	);	2486	);
2022		2487
		2488	END { cf::emergency_save }
		2489
2023	1	2490	1
2024		2491

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