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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.178 by root, Thu Jan 18 00:06:55 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} = $coro;
…		…
277	}	368	}
278		369
279	=back	370	=back
280		371
281	=cut	372	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		373
403	#############################################################################	374	#############################################################################
404		375
405	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
406		377
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	504	our @CB_MAP = ();
534		505
535	my %attachment;	506	my %attachment;
536		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
537	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
539		516
540	use sort 'stable';	517	use sort 'stable';
541		518
…		…
712	# object support	689	# object support
713		690
714	sub reattach {	691	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		696
718	my $registry = $obj->registry;	697	my $registry = $obj->registry;
719		698
720	@$registry = ();	699	@$registry = ();
721		700
…		…
817	(aio_load "$filename.pst", $av) >= 0	796	(aio_load "$filename.pst", $av) >= 0
818	or return;	797	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	798	$av = eval { (Storable::thaw $av)->{objs} };
820	}	799	}
821		800
		801	warn sprintf "loading %s (%d)\n",
		802	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	803	return ($data, $av);
823	}	804	}
824		805
825	#############################################################################	806	#############################################################################
826	# command handling &c	807	# command handling &c
…		…
851	=cut	832	=cut
852		833
853	sub register_extcmd {	834	sub register_extcmd {
854	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
855		836
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
860	}	838	}
861		839
862	cf::player->attach (	840	cf::player->attach (
863	on_command => sub {	841	on_command => sub {
864	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
877		855
878	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
879		857
880	if (ref $msg) {	858	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	862	}
885	}	863	}
886	} else {	864	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		867
890	cf::override;	868	cf::override;
891	},	869	},
892	);	870	);
893		871
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	872	sub load_extension {
901	my ($path) = @_;	873	my ($path) = @_;
902		874
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	876	my $base = $1;
905	my $pkg = $1;	877	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
908		880
909	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
910		882
911	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
912	or die "$path: $!";	884	or die "$path: $!";
913		885
914	my $source =	886	my $source =
915	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
918	. "\n};\n1";	890	. "\n};\n1";
919		891
920	eval $source	892	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	894	: "extension disabled.\n";
923		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	896	warn $@;
925	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
926		898	exit 1;
927	# no strict 'refs';	899	}
928	# @{"$pkg\::ISA"} = ext::;	900	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	# }	901	}
943		902
944	# remove commands	903	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	}	904	}
969		905
970	sub load_extensions {	906	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	908	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
977	}	913	}
978	}	914	}
979		915
980	#############################################################################	916	#############################################################################
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		917
1018	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1019		919
1020	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1021		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1022	=head3 cf::player	928	=head3 cf::player
1023		929
1024	=over 4	930	=over 4
1025		931
1026	=item cf::player::exists $login	932	=item cf::player::find $login
1027		933
1028	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1029		935
1030	=cut	936	=cut
1031		937
1032	sub cf::player::exists($) {	938	sub playerdir($) {
1033	cf::player::find $_[0]	939	cf::localdir
1034	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 $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
1035	}	1085	}
1036		1086
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1088
1039	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1040		1090
1041	=cut	1091	=cut
1042		1092
1043	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1045		1095
1046	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1047		1097
1048	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1049	}	1099	}
		1100
		1101	package cf;
1050		1102
1051	=back	1103	=back
1052		1104
1053		1105
1054	=head3 cf::map	1106	=head3 cf::map
…		…
1060	package cf::map;	1112	package cf::map;
1061		1113
1062	use Fcntl;	1114	use Fcntl;
1063	use Coro::AIO;	1115	use Coro::AIO;
1064		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1065	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1067		1123
1068	sub generate_random_map {	1124	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1127	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(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, $path
1085	}	1257	}
1086		1258
1087	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1088	# all maps in C++...	1260	# all maps in C++...
1089	sub change_all_map_light {	1261	sub change_all_map_light {
1090	my ($change) = @_;	1262	my ($change) = @_;
1091		1263
1092	$_->change_map_light ($change) for values %cf::MAP;	1264	$_->change_map_light ($change)
		1265	for grep $_->outdoor, values %cf::MAP;
1093	}	1266	}
1094		1267
		1268	sub unlink_save {
		1269	my ($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
1095	sub try_load_header($) {	1276	sub load_header_from($) {
1096	my ($path) = @_;	1277	my ($self, $path) = @_;
1097		1278
1098	utf8::encode $path;	1279	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1100	or return;	1281	or return;
1101		1282
1102	my $map = cf::map::new	1283	$self->_load_header ($path)
1103	or return;	1284	or return;
1104		1285
1105	$map->load_header ($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
1106	or return;	1314	or return;
1107		1315
1108	$map->{load_path} = $path;	1316	$self->{load_original} = 1;
		1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
1109		1321
1110	$map	1322	1
1111	}	1323	}
1112		1324
		1325	sub find;
1113	sub find_map {	1326	sub find {
1114	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1115		1328
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1330
		1331	cf::lock_wait "map_find:$path";
		1332
1121	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1122	# do it the slow way	1334	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1335	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;	1336	or return;
1137		1337
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);	1338	$map->{last_save} = $cf::RUNTIME;
		1339
		1340	$map->load_header
		1341	or return;
1149		1342
1150	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1345	$map->reset;
		1346	undef $guard;
1152	$map = find_map $path;	1347	$map = find $path
		1348	or return;
1153	}	1349	}
1154		1350
1155	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1156	}	1352	}
1157	}	1353	}
1158		1354
1159	sub load {	1355	sub load {
1160	my ($self) = @_;	1356	my ($self) = @_;
1161		1357
		1358	my $path = $self->{path};
		1359	my $guard = cf::lock_acquire "map_load:$path";
		1360
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1362
1164	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1165		1364
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1365	$self->alloc;
1169	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1367	or return;
1171		1368
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1370	if delete $self->{load_original};
1174		1371
1175	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1373	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1375	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1180	}	1377	}
1181	}	1378	}
		1379
		1380	Coro::cede;
1182		1381
1183	# now do the right thing for maps	1382	# now do the right thing for maps
1184	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1185		1384
1186	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1386	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1193	$self->set_darkness_map;	1390	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1196	$self->activate;	1394	$self->activate;
1197	}	1395	}
1198		1396
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1398	}
1201		1399
1202	sub load_map_sync {	1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1203	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1204		1435
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1206		1438
1207	cf::sync_job {	1439	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
		1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = Coro::async {
		1447	while () {
		1448	for my $path (keys %MAP_PREFETCH) {
		1449	my $map = find $path
1209	or return;	1450	or next;
1210	$map->load;	1451	$map->load;
1211	$map	1452
		1453	delete $MAP_PREFETCH{$path};
		1454	}
		1455	Coro::schedule;
1212	}	1456	}
		1457	};
		1458
		1459	sub find_async {
		1460	my ($path, $origin) = @_;
		1461
		1462	$path = normalise $path, $origin && $origin->{path};
		1463
		1464	if (my $map = $cf::MAP{$path}) {
		1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1466	}
		1467
		1468	$MAP_PREFETCH{$path} = 0;
		1469	$MAP_PREFETCHER->ready;
		1470
		1471	()
1213	}	1472	}
1214		1473
1215	sub save {	1474	sub save {
1216	my ($self) = @_;	1475	my ($self) = @_;
1217		1476
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1478
1221	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1222		1480
1223	return unless $self->dirty;	1481	return unless $self->dirty;
1224		1482
		1483	my $save = $self->save_path; utf8::encode $save;
		1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1485
1225	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1226		1487
1227	return if $self->{deny_save};	1488	return if $self->{deny_save};
1228		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1229	if ($uniq) {	1496	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1499	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1501	}
1235	}	1502	}
1236		1503
1237	sub swap_out {	1504	sub swap_out {
1238	my ($self) = @_;	1505	my ($self) = @_;
		1506
		1507	# save first because save cedes
		1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1511
1240	return if $self->players;	1512	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1514	return if $self->{deny_save};
1243		1515
1244	$self->save;
1245	$self->clear;	1516	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1517	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1518	}
1248		1519
1249	sub reset_at {	1520	sub reset_at {
1250	my ($self) = @_;	1521	my ($self) = @_;
1251		1522
1252	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1255		1526
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1529
…		…
1263	my ($self) = @_;	1534	my ($self) = @_;
1264		1535
1265	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1266	}	1537	}
1267		1538
1268	sub unlink_save {
1269	my ($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	$self->save;
1287	}
1288
1289	sub reset {	1539	sub reset {
1290	my ($self) = @_;	1540	my ($self) = @_;
1291		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1292	return if $self->players;	1544	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1294		1546
1295	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1296		1548
1297	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1298		1553
1299	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1300		1555
1301	$self->unlink_save;	1556	$self->unlink_save;
1302	$self->destroy;	1557	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1560	my $nuke_counter = "aaaa";
1306		1561
1307	sub nuke {	1562	sub nuke {
1308	my ($self) = @_;	1563	my ($self) = @_;
1309		1564
		1565	delete $cf::MAP{$self->path};
		1566
		1567	$self->unlink_save;
		1568
		1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1571	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1572	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1574
		1575	$cf::MAP{$self->path} = $self;
		1576
1313	$self->reset; # polite request, might not happen	1577	$self->reset; # polite request, might not happen
1314	}	1578	}
1315		1579
1316	sub customise_for {	1580	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1581
1319	if ($map->per_player) {	1582	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1583	instantiated unique items. May block.
1321	}
1322		1584
1323	$map	1585	=cut
1324	}
1325		1586
1326	sub emergency_save {	1587	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
1328		1590
1329	warn "enter emergency map save\n";	1591	my @paths;
1330		1592
1331	cf::sync_job {	1593	for (@$files) {
1332	warn "begin emergency map save\n";	1594	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1334	};	1600	}
1335		1601
1336	warn "end emergency map save\n";	1602	\@paths
1337	}	1603	}
1338		1604
1339	package cf;	1605	package cf;
1340		1606
1341	=back	1607	=back
1342		1608
		1609	=head3 cf::object
		1610
		1611	=cut
		1612
		1613	package cf::object;
		1614
		1615	=over 4
		1616
		1617	=item $ob->inv_recursive
		1618
		1619	Returns the inventory of the object _and_ their inventories, recursively.
		1620
		1621	=cut
		1622
		1623	sub inv_recursive_;
		1624	sub inv_recursive_ {
		1625	map { $_, inv_recursive_ $_->inv } @_
		1626	}
		1627
		1628	sub inv_recursive {
		1629	inv_recursive_ inv $_[0]
		1630	}
		1631
		1632	package cf;
		1633
		1634	=back
1343		1635
1344	=head3 cf::object::player	1636	=head3 cf::object::player
1345		1637
1346	=over 4	1638	=over 4
1347		1639
…		…
1383	(ref $cf::CFG{"may_$access"}	1675	(ref $cf::CFG{"may_$access"}
1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1676	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1385	: $cf::CFG{"may_$access"})	1677	: $cf::CFG{"may_$access"})
1386	}	1678	}
1387		1679
		1680	=item $player_object->enter_link
		1681
		1682	Freezes the player and moves him/her to a special map (C<{link}>).
		1683
		1684	The player should be reasonably safe there for short amounts of time. You
		1685	I<MUST> call C<leave_link> as soon as possible, though.
		1686
		1687	Will never block.
		1688
		1689	=item $player_object->leave_link ($map, $x, $y)
		1690
		1691	Moves the player out of the special C<{link}> map onto the specified
		1692	map. If the map is not valid (or omitted), the player will be moved back
		1693	to the location he/she was before the call to C<enter_link>, or, if that
		1694	fails, to the emergency map position.
		1695
		1696	Might block.
		1697
		1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($LINK_MAP) {
		1702	$LINK_MAP = cf::map::find "{link}"
		1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1704	$LINK_MAP->load;
		1705	}
		1706
		1707	$LINK_MAP
		1708	}
		1709
1388	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1389	my ($self) = @_;	1711	my ($self) = @_;
1390		1712
1391	return if $self->map == $LINK_MAP;	1713	$self->deactivate_recursive;
1392		1714
		1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1716
1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1394	if $self->map;	1718	if $self->map;
1395		1719
1396	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1397	$self->deactivate_recursive;
1398	}	1721	}
1399		1722
1400	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1401	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1402		1725
1403	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1404		1727
1405	unless ($map) {	1728	unless ($map) {
1406	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1407
1408	# restore original map position	1729	# restore original map position
1409	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1410	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1411		1732
1412	unless ($map) {	1733	unless ($map) {
1413	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1414	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1415	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1416	}	1737	}
1417	}	1738	}
1418		1739
1419	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1422	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1423	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1424	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1425		1746
1426	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1427		1749
		1750	return unless $self->contr->active;
1428	$self->activate_recursive;	1751	$self->activate_recursive;
1429	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1430	}	1753	}
1431		1754
		1755	cf::player->attach (
		1756	on_logout => sub {
		1757	my ($pl) = @_;
		1758
		1759	# abort map switching before logout
		1760	if ($pl->ob->{_link_pos}) {
		1761	cf::sync_job {
		1762	$pl->ob->leave_link
		1763	};
		1764	}
		1765	},
		1766	on_login => sub {
		1767	my ($pl) = @_;
		1768
		1769	# try to abort aborted map switching on player login :)
		1770	# should happen only on crashes
		1771	if ($pl->ob->{_link_pos}) {
		1772	$pl->ob->enter_link;
		1773	(async {
		1774	# we need this sleep as the login has a concurrent enter_exit running
		1775	# and this sleep increases chances of the player not ending up in scorn
		1776	$pl->ob->reply (undef,
		1777	"There was an internal problem at your last logout, "
		1778	. "the server will try to bring you to your intended destination in a second.",
		1779	cf::NDI_RED);
		1780	Coro::Timer::sleep 1;
		1781	$pl->ob->leave_link;
		1782	})->prio (2);
		1783	}
		1784	},
		1785	);
		1786
1432	=item $player_object->goto_map ($map, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1433		1788
1434	=cut	1789	=cut
1435		1790
1436	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1437	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1438		1793
1439	$self->enter_link;	1794	$self->enter_link;
1440		1795
1441	(Coro::async {	1796	(async {
1442	$path = new cf::path $path;
1443
1444	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1445	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1446		1799
1447	warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1448	if $map;	1801	# if $map;
		1802
		1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1449		1804
1450	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1451	})->prio (1);	1806	})->prio (1);
1452	}	1807	}
1453		1808
…		…
1457		1812
1458	sub parse_random_map_params {	1813	sub parse_random_map_params {
1459	my ($spec) = @_;	1814	my ($spec) = @_;
1460		1815
1461	my $rmp = { # defaults	1816	my $rmp = { # defaults
1462	xsize => 10,	1817	xsize => -1,
1463	ysize => 10,	1818	ysize => -1,
1464	};	1819	};
1465		1820
1466	for (split /\n/, $spec) {	1821	for (split /\n/, $spec) {
1467	my ($k, $v) = split /\s+/, $_, 2;	1822	my ($k, $v) = split /\s+/, $_, 2;
1468		1823
…		…
1490		1845
1491	$rmp->{random_seed} ||= $exit->random_seed;	1846	$rmp->{random_seed} ||= $exit->random_seed;
1492		1847
1493	my $data = cf::to_json $rmp;	1848	my $data = cf::to_json $rmp;
1494	my $md5 = Digest::MD5::md5_hex $data;	1849	my $md5 = Digest::MD5::md5_hex $data;
		1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1495		1851
1496	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1497	aio_write $fh, 0, (length $data), $data, 0;	1853	aio_write $fh, 0, (length $data), $data, 0;
		1854	undef $fh;
		1855	aio_rename "$meta~", $meta;
1498		1856
1499	$exit->slaying ("?random/$md5");	1857	$exit->slaying ("?random/$md5");
1500	$exit->msg (undef);	1858	$exit->msg (undef);
1501	}	1859	}
1502	}	1860	}
…		…
1506		1864
1507	return unless $self->type == cf::PLAYER;	1865	return unless $self->type == cf::PLAYER;
1508		1866
1509	$self->enter_link;	1867	$self->enter_link;
1510		1868
1511	(Coro::async {	1869	(async {
		1870	$self->deactivate_recursive; # just to be sure
1512	unless (eval {	1871	unless (eval {
1513
1514	prepare_random_map $exit	1872	prepare_random_map $exit
1515	if $exit->slaying eq "/!";	1873	if $exit->slaying eq "/!";
1516		1874
1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1519		1877
1520	1;	1878	1;
1521	}) {	1879	}) {
1522	$self->message ("Something went wrong deep within the crossfire server. "	1880	$self->message ("Something went wrong deep within the crossfire server. "
1523	. "I'll try to bring you back to the map you were before. "	1881	. "I'll try to bring you back to the map you were before. "
1524	. "Please report this to the dungeon master",	1882	. "Please report this to the dungeon master!",
1525	cf::NDI_UNIQUE | cf::NDI_RED);	1883	cf::NDI_UNIQUE | cf::NDI_RED);
1526		1884
1527	warn "ERROR in enter_exit: $@";	1885	warn "ERROR in enter_exit: $@";
1528	$self->leave_link;	1886	$self->leave_link;
1529	}	1887	}
…		…
1580	on_reply => sub {	1938	on_reply => sub {
1581	my ($ns, $msg) = @_;	1939	my ($ns, $msg) = @_;
1582		1940
1583	# this weird shuffling is so that direct followup queries	1941	# this weird shuffling is so that direct followup queries
1584	# get handled first	1942	# get handled first
1585	my $queue = delete $ns->{query_queue};	1943	my $queue = delete $ns->{query_queue}
		1944	or return; # be conservative, not sure how that can happen, but we saw a crash here
1586		1945
1587	(shift @$queue)->[1]->($msg);	1946	(shift @$queue)->[1]->($msg);
1588		1947
1589	push @{ $ns->{query_queue} }, @$queue;	1948	push @{ $ns->{query_queue} }, @$queue;
1590		1949
…		…
1596	}	1955	}
1597	}	1956	}
1598	},	1957	},
1599	);	1958	);
1600		1959
1601	=item $client->coro (\&cb)	1960	=item $client->async (\&cb)
1602		1961
1603	Create a new coroutine, running the specified callback. The coroutine will	1962	Create a new coroutine, running the specified callback. The coroutine will
1604	be automatically cancelled when the client gets destroyed (e.g. on logout,	1963	be automatically cancelled when the client gets destroyed (e.g. on logout,
1605	or loss of connection).	1964	or loss of connection).
1606		1965
1607	=cut	1966	=cut
1608		1967
1609	sub cf::client::coro {	1968	sub cf::client::async {
1610	my ($self, $cb) = @_;	1969	my ($self, $cb) = @_;
1611		1970
1612	my $coro; $coro = async {	1971	my $coro = &Coro::async ($cb);
1613	eval {
1614	$cb->();
1615	};
1616	warn $@ if $@;
1617	};
1618		1972
1619	$coro->on_destroy (sub {	1973	$coro->on_destroy (sub {
1620	delete $self->{_coro}{$coro+0};	1974	delete $self->{_coro}{$coro+0};
1621	});	1975	});
1622		1976
…		…
1794		2148
1795	{	2149	{
1796	my $path = cf::localdir . "/database.pst";	2150	my $path = cf::localdir . "/database.pst";
1797		2151
1798	sub db_load() {	2152	sub db_load() {
1799	warn "loading database $path\n";#d# remove later
1800	$DB = stat $path ? Storable::retrieve $path : { };	2153	$DB = stat $path ? Storable::retrieve $path : { };
1801	}	2154	}
1802		2155
1803	my $pid;	2156	my $pid;
1804		2157
1805	sub db_save() {	2158	sub db_save() {
1806	warn "saving database $path\n";#d# remove later
1807	waitpid $pid, 0 if $pid;	2159	waitpid $pid, 0 if $pid;
1808	if (0 == ($pid = fork)) {	2160	if (0 == ($pid = fork)) {
1809	$DB->{_meta}{version} = 1;	2161	$DB->{_meta}{version} = 1;
1810	Storable::nstore $DB, "$path~";	2162	Storable::nstore $DB, "$path~";
1811	rename "$path~", $path;	2163	rename "$path~", $path;
…		…
1859	open my $fh, "<:utf8", cf::confdir . "/config"	2211	open my $fh, "<:utf8", cf::confdir . "/config"
1860	or return;	2212	or return;
1861		2213
1862	local $/;	2214	local $/;
1863	*CFG = YAML::Syck::Load <$fh>;	2215	*CFG = YAML::Syck::Load <$fh>;
		2216
		2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2218
		2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2221
		2222	if (exists $CFG{mlockall}) {
		2223	eval {
		2224	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2225	and die "WARNING: m(un)lockall failed: $!\n";
		2226	};
		2227	warn $@ if $@;
		2228	}
1864	}	2229	}
1865		2230
1866	sub main {	2231	sub main {
1867	# we must not ever block the main coroutine	2232	# we must not ever block the main coroutine
1868	local $Coro::idle = sub {	2233	local $Coro::idle = sub {
1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1870	(Coro::unblock_sub {	2235	(async {
1871	Event::one_event;	2236	Event::one_event;
1872	})->();	2237	})->prio (Coro::PRIO_MAX);
1873	};	2238	};
1874		2239
1875	cfg_load;	2240	cfg_load;
1876	db_load;	2241	db_load;
1877	load_extensions;	2242	load_extensions;
1878	Event::loop;	2243	Event::loop;
1879	}	2244	}
1880		2245
1881	#############################################################################	2246	#############################################################################
1882	# initialisation	2247	# initialisation and cleanup
		2248
		2249	# install some emergency cleanup handlers
		2250	BEGIN {
		2251	for my $signal (qw(INT HUP TERM)) {
		2252	Event->signal (
		2253	data => WF_AUTOCANCEL,
		2254	signal => $signal,
		2255	cb => sub {
		2256	cf::cleanup "SIG$signal";
		2257	},
		2258	);
		2259	}
		2260	}
		2261
		2262	sub emergency_save() {
		2263	my $freeze_guard = cf::freeze_mainloop;
		2264
		2265	warn "enter emergency perl save\n";
		2266
		2267	cf::sync_job {
		2268	# use a peculiar iteration method to avoid tripping on perl
		2269	# refcount bugs in for. also avoids problems with players
		2270	# and maps saved/destroyed asynchronously.
		2271	warn "begin emergency player save\n";
		2272	for my $login (keys %cf::PLAYER) {
		2273	my $pl = $cf::PLAYER{$login} or next;
		2274	$pl->valid or next;
		2275	$pl->save;
		2276	}
		2277	warn "end emergency player save\n";
		2278
		2279	warn "begin emergency map save\n";
		2280	for my $path (keys %cf::MAP) {
		2281	my $map = $cf::MAP{$path} or next;
		2282	$map->valid or next;
		2283	$map->save;
		2284	}
		2285	warn "end emergency map save\n";
		2286	};
		2287
		2288	warn "leave emergency perl save\n";
		2289	}
1883		2290
1884	sub reload() {	2291	sub reload() {
1885	# can/must only be called in main	2292	# can/must only be called in main
1886	if ($Coro::current != $Coro::main) {	2293	if ($Coro::current != $Coro::main) {
1887	warn "can only reload from main coroutine\n";	2294	warn "can only reload from main coroutine\n";
1888	return;	2295	return;
1889	}	2296	}
1890		2297
1891	warn "reloading...";	2298	warn "reloading...";
1892		2299
1893	local $FREEZE = 1;	2300	warn "freezing server";
		2301	my $guard = freeze_mainloop;
1894	cf::emergency_save;	2302	cf::emergency_save;
		2303
		2304	warn "sync database to disk";
		2305	cf::db_sync;
		2306	IO::AIO::flush;
1895		2307
1896	eval {	2308	eval {
1897	# if anything goes wrong in here, we should simply crash as we already saved	2309	# if anything goes wrong in here, we should simply crash as we already saved
1898		2310
1899	# cancel all watchers	2311	warn "cancel all watchers";
1900	for (Event::all_watchers) {	2312	for (Event::all_watchers) {
1901	$_->cancel if $_->data & WF_AUTOCANCEL;	2313	$_->cancel if $_->data & WF_AUTOCANCEL;
1902	}	2314	}
1903		2315
1904	# cancel all extension coros	2316	warn "cancel all extension coros";
1905	$_->cancel for values %EXT_CORO;	2317	$_->cancel for values %EXT_CORO;
1906	%EXT_CORO = ();	2318	%EXT_CORO = ();
1907		2319
		2320	warn "remove commands";
		2321	%COMMAND = ();
		2322
		2323	warn "remove ext commands";
		2324	%EXTCMD = ();
		2325
1908	# unload all extensions	2326	warn "unload/nuke all extensions";
1909	for (@exts) {	2327	for my $pkg (@EXTS) {
1910	warn "unloading <$_>";	2328	warn "... unloading $pkg";
1911	unload_extension $_;	2329
		2330	if (my $cb = $pkg->can ("unload")) {
		2331	eval {
		2332	$cb->($pkg);
		2333	1
		2334	} or warn "$pkg unloaded, but with errors: $@";
1912	}	2335	}
1913		2336
		2337	warn "... nuking $pkg";
		2338	Symbol::delete_package $pkg;
		2339	}
		2340
1914	# unload all modules loaded from $LIBDIR	2341	warn "unload all perl modules loaded from $LIBDIR";
1915	while (my ($k, $v) = each %INC) {	2342	while (my ($k, $v) = each %INC) {
1916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1917		2344
1918	warn "removing <$k>";	2345	warn "removing <$k>";
1919	delete $INC{$k};	2346	delete $INC{$k};
…		…
1926	}	2353	}
1927		2354
1928	Symbol::delete_package $k;	2355	Symbol::delete_package $k;
1929	}	2356	}
1930		2357
1931	# sync database to disk
1932	cf::db_sync;
1933	IO::AIO::flush;
1934
1935	# get rid of safe::, as good as possible	2358	warn "get rid of safe::, as good as possible";
1936	Symbol::delete_package "safe::$_"	2359	Symbol::delete_package "safe::$_"
1937	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1938		2361
1939	# remove register_script_function callbacks
1940	# TODO
1941
1942	# unload cf.pm "a bit"	2362	warn "unload cf.pm \"a bit\"";
1943	delete $INC{"cf.pm"};	2363	delete $INC{"cf.pm"};
1944		2364
1945	# don't, removes xs symbols, too,	2365	# don't, removes xs symbols, too,
1946	# and global variables created in xs	2366	# and global variables created in xs
1947	#Symbol::delete_package __PACKAGE__;	2367	#Symbol::delete_package __PACKAGE__;
1948		2368
1949	# reload cf.pm
1950	warn "reloading cf.pm";	2369	warn "reloading cf.pm";
1951	require cf;	2370	require cf;
1952	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1953		2372
1954	# load config and database again	2373	warn "load config and database again";
1955	cf::cfg_load;	2374	cf::cfg_load;
1956	cf::db_load;	2375	cf::db_load;
1957		2376
1958	# load extensions
1959	warn "load extensions";	2377	warn "load extensions";
1960	cf::load_extensions;	2378	cf::load_extensions;
1961		2379
1962	# reattach attachments to objects	2380	warn "reattach attachments to objects/players";
1963	warn "reattach";
1964	_global_reattach;	2381	_global_reattach;
		2382	warn "reattach attachments to maps";
		2383	reattach $_ for values %MAP;
1965	};	2384	};
1966		2385
1967	if ($@) {	2386	if ($@) {
1968	warn $@;	2387	warn $@;
1969	warn "error while reloading, exiting.";	2388	warn "error while reloading, exiting.";
1970	exit 1;	2389	exit 1;
1971	}	2390	}
1972		2391
1973	warn "reloaded successfully";	2392	warn "reloaded";
1974	};	2393	};
1975		2394
1976	#############################################################################	2395	our $RELOAD_WATCHER; # used only during reload
1977
1978	unless ($LINK_MAP) {
1979	$LINK_MAP = cf::map::new;
1980
1981	$LINK_MAP->width (41);
1982	$LINK_MAP->height (41);
1983	$LINK_MAP->alloc;
1984	$LINK_MAP->path ("{link}");
1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1987
1988	# dirty hack because... archetypes are not yet loaded
1989	Event->timer (
1990	after => 2,
1991	cb => sub {
1992	$_[0]->w->cancel;
1993
1994	# provide some exits "home"
1995	my $exit = cf::object::new "exit";
1996
1997	$exit->slaying ($EMERGENCY_POSITION->[0]);
1998	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1999	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2000
2001	$LINK_MAP->insert ($exit->clone, 19, 19);
2002	$LINK_MAP->insert ($exit->clone, 19, 20);
2003	$LINK_MAP->insert ($exit->clone, 19, 21);
2004	$LINK_MAP->insert ($exit->clone, 20, 19);
2005	$LINK_MAP->insert ($exit->clone, 20, 21);
2006	$LINK_MAP->insert ($exit->clone, 21, 19);
2007	$LINK_MAP->insert ($exit->clone, 21, 20);
2008	$LINK_MAP->insert ($exit->clone, 21, 21);
2009
2010	$exit->destroy;
2011	});
2012
2013	$LINK_MAP->{deny_save} = 1;
2014	$LINK_MAP->{deny_reset} = 1;
2015
2016	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2017	}
2018
2019	register "<global>", __PACKAGE__;
2020		2396
2021	register_command "reload" => sub {	2397	register_command "reload" => sub {
2022	my ($who, $arg) = @_;	2398	my ($who, $arg) = @_;
2023		2399
2024	if ($who->flag (FLAG_WIZ)) {	2400	if ($who->flag (FLAG_WIZ)) {
2025	$who->message ("start of reload.");	2401	$who->message ("reloading server.");
		2402
		2403	# doing reload synchronously and two reloads happen back-to-back,
		2404	# coro crashes during coro_state_free->destroy here.
		2405
		2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2026	reload;	2407	reload;
2027	$who->message ("end of reload.");	2408	undef $RELOAD_WATCHER;
		2409	});
2028	}	2410	}
2029	};	2411	};
2030		2412
2031	unshift @INC, $LIBDIR;	2413	unshift @INC, $LIBDIR;
2032		2414
…		…
2034	reentrant => 0,	2416	reentrant => 0,
2035	prio => 0,	2417	prio => 0,
2036	at => $NEXT_TICK || $TICK,	2418	at => $NEXT_TICK || $TICK,
2037	data => WF_AUTOCANCEL,	2419	data => WF_AUTOCANCEL,
2038	cb => sub {	2420	cb => sub {
2039	unless ($FREEZE) {	2421	$NOW = Event::time;
		2422
2040	cf::server_tick; # one server iteration	2423	cf::server_tick; # one server iteration
2041	$RUNTIME += $TICK;	2424	$RUNTIME += $TICK;
2042	}
2043
2044	$NEXT_TICK += $TICK;	2425	$NEXT_TICK += $TICK;
		2426
		2427	$WAIT_FOR_TICK->broadcast;
		2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2045		2429
2046	# if we are delayed by four ticks or more, skip them all	2430	# if we are delayed by four ticks or more, skip them all
2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2048		2432
2049	$TICK_WATCHER->at ($NEXT_TICK);	2433	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2051	},	2435	},
2052	);	2436	);
2053		2437
2054	IO::AIO::max_poll_time $TICK * 0.2;	2438	IO::AIO::max_poll_time $TICK * 0.2;
2055		2439
2056	Event->io (	2440	$AIO_POLL_WATCHER = Event->io (
2057	fd => IO::AIO::poll_fileno,	2441	fd => IO::AIO::poll_fileno,
2058	poll => 'r',	2442	poll => 'r',
2059	prio => 5,	2443	prio => 5,
2060	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
2061	cb => \&IO::AIO::poll_cb,	2445	cb => \&IO::AIO::poll_cb,
2062	);	2446	);
2063		2447
2064	Event->timer (	2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2065	data => WF_AUTOCANCEL,	2449	data => WF_AUTOCANCEL,
2066	after => 0,	2450	after => 0,
2067	interval => 10,	2451	interval => 10,
2068	cb => sub {	2452	cb => sub {
2069	(Coro::unblock_sub {	2453	(Coro::unblock_sub {
…		…
2071	or warn "ERROR: unable to write runtime file: $!";	2455	or warn "ERROR: unable to write runtime file: $!";
2072	})->();	2456	})->();
2073	},	2457	},
2074	);	2458	);
2075		2459
		2460	END { cf::emergency_save }
		2461
2076	1	2462	1
2077		2463

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