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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.181 by root, Fri Jan 19 15:29:52 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
277	}	368	}
278		369
279	=back	370	=back
280		371
281	=cut	372	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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 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
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
…		…
1387		1679
1388	=item $player_object->enter_link	1680	=item $player_object->enter_link
1389		1681
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1682	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1683
1392	The player should be reaosnably safe there for short amounts of time. You	1684	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1685	I<MUST> call C<leave_link> as soon as possible, though.
1394		1686
		1687	Will never block.
		1688
1395	=item $player_object->leave_link ($map, $x, $y)	1689	=item $player_object->leave_link ($map, $x, $y)
1396		1690
1397	Moves the player out of the specila link map onto the given map. If the	1691	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1692	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1693	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1694	fails, to the emergency map position.
1401		1695
1402	Might block.	1696	Might block.
1403		1697
1404	=cut	1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($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	$LINK_MAP
		1708	}
1405		1709
1406	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1711	my ($self) = @_;
1408		1712
1409	return if $self->map == $LINK_MAP;	1713	$self->deactivate_recursive;
1410		1714
		1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1716
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1718	if $self->map;
1413		1719
1414	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1415	$self->deactivate_recursive;
1416	}	1721	}
1417		1722
1418	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1420		1725
1421	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1422		1727
1423	unless ($map) {	1728	unless ($map) {
1424	# restore original map position	1729	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1730	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1427		1732
1428	unless ($map) {	1733	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1432	}	1737	}
1433	}	1738	}
1434		1739
1435	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1441		1746
1442	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1443		1749
		1750	return unless $self->contr->active;
1444	$self->activate_recursive;	1751	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1446	}	1753	}
1447		1754
		1755	cf::player->attach (
		1756	on_logout => sub {
		1757	my ($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
1448	=item $player_object->goto_map ($map, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1449		1788
1450	=cut	1789	=cut
1451		1790
1452	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1454		1793
1455	$self->enter_link;	1794	$self->enter_link;
1456		1795
1457	(Coro::async {	1796	(async {
1458	$path = new cf::path $path;
1459
1460	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1462		1799
1463	warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1801	# if $map;
1465		1802
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1804
1468	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1806	})->prio (1);
1470	}	1807	}
1471		1808
…		…
1475		1812
1476	sub parse_random_map_params {	1813	sub parse_random_map_params {
1477	my ($spec) = @_;	1814	my ($spec) = @_;
1478		1815
1479	my $rmp = { # defaults	1816	my $rmp = { # defaults
1480	xsize => 10,	1817	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1818	ysize => (cf::rndm 15, 40),
		1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1820	#layout => string
1482	};	1821	};
1483		1822
1484	for (split /\n/, $spec) {	1823	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1824	my ($k, $v) = split /\s+/, $_, 2;
1486		1825
…		…
1490	$rmp	1829	$rmp
1491	}	1830	}
1492		1831
1493	sub prepare_random_map {	1832	sub prepare_random_map {
1494	my ($exit) = @_;	1833	my ($exit) = @_;
		1834
		1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1836
1496	# all this does is basically replace the /! path by	1837	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1838	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1839	# that depends on the exit object
1499		1840
…		…
1508		1849
1509	$rmp->{random_seed} ||= $exit->random_seed;	1850	$rmp->{random_seed} ||= $exit->random_seed;
1510		1851
1511	my $data = cf::to_json $rmp;	1852	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1853	my $md5 = Digest::MD5::md5_hex $data;
		1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1855
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1857	aio_write $fh, 0, (length $data), $data, 0;
		1858	undef $fh;
		1859	aio_rename "$meta~", $meta;
1516		1860
1517	$exit->slaying ("?random/$md5");	1861	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1862	$exit->msg (undef);
1519	}	1863	}
1520	}	1864	}
…		…
1524		1868
1525	return unless $self->type == cf::PLAYER;	1869	return unless $self->type == cf::PLAYER;
1526		1870
1527	$self->enter_link;	1871	$self->enter_link;
1528		1872
1529	(Coro::async {	1873	(async {
		1874	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1875	unless (eval {
1531
1532	prepare_random_map $exit	1876	prepare_random_map $exit
1533	if $exit->slaying eq "/!";	1877	if $exit->slaying eq "/!";
1534		1878
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1537		1881
1538	1;	1882	1;
1539	}) {	1883	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1884	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1885	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1886	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1887	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1888
1545	warn "ERROR in enter_exit: $@";	1889	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1890	$self->leave_link;
1547	}	1891	}
…		…
1598	on_reply => sub {	1942	on_reply => sub {
1599	my ($ns, $msg) = @_;	1943	my ($ns, $msg) = @_;
1600		1944
1601	# this weird shuffling is so that direct followup queries	1945	# this weird shuffling is so that direct followup queries
1602	# get handled first	1946	# get handled first
1603	my $queue = delete $ns->{query_queue};	1947	my $queue = delete $ns->{query_queue}
		1948	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		1949
1605	(shift @$queue)->[1]->($msg);	1950	(shift @$queue)->[1]->($msg);
1606		1951
1607	push @{ $ns->{query_queue} }, @$queue;	1952	push @{ $ns->{query_queue} }, @$queue;
1608		1953
…		…
1614	}	1959	}
1615	}	1960	}
1616	},	1961	},
1617	);	1962	);
1618		1963
1619	=item $client->coro (\&cb)	1964	=item $client->async (\&cb)
1620		1965
1621	Create a new coroutine, running the specified callback. The coroutine will	1966	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	1967	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	1968	or loss of connection).
1624		1969
1625	=cut	1970	=cut
1626		1971
1627	sub cf::client::coro {	1972	sub cf::client::async {
1628	my ($self, $cb) = @_;	1973	my ($self, $cb) = @_;
1629		1974
1630	my $coro; $coro = async {	1975	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		1976
1637	$coro->on_destroy (sub {	1977	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	1978	delete $self->{_coro}{$coro+0};
1639	});	1979	});
1640		1980
…		…
1812		2152
1813	{	2153	{
1814	my $path = cf::localdir . "/database.pst";	2154	my $path = cf::localdir . "/database.pst";
1815		2155
1816	sub db_load() {	2156	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };	2157	$DB = stat $path ? Storable::retrieve $path : { };
1819	}	2158	}
1820		2159
1821	my $pid;	2160	my $pid;
1822		2161
1823	sub db_save() {	2162	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;	2163	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {	2164	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;	2165	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";	2166	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;	2167	rename "$path~", $path;
…		…
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2215	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2216	or return;
1879		2217
1880	local $/;	2218	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2219	*CFG = YAML::Syck::Load <$fh>;
		2220
		2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2222
		2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2225
		2226	if (exists $CFG{mlockall}) {
		2227	eval {
		2228	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2229	and die "WARNING: m(un)lockall failed: $!\n";
		2230	};
		2231	warn $@ if $@;
		2232	}
1882	}	2233	}
1883		2234
1884	sub main {	2235	sub main {
1885	# we must not ever block the main coroutine	2236	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2237	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2239	(async {
1889	Event::one_event;	2240	Event::one_event;
1890	})->();	2241	})->prio (Coro::PRIO_MAX);
1891	};	2242	};
1892		2243
1893	cfg_load;	2244	cfg_load;
1894	db_load;	2245	db_load;
1895	load_extensions;	2246	load_extensions;
1896	Event::loop;	2247	Event::loop;
1897	}	2248	}
1898		2249
1899	#############################################################################	2250	#############################################################################
1900	# initialisation	2251	# initialisation and cleanup
		2252
		2253	# install some emergency cleanup handlers
		2254	BEGIN {
		2255	for my $signal (qw(INT HUP TERM)) {
		2256	Event->signal (
		2257	data => WF_AUTOCANCEL,
		2258	signal => $signal,
		2259	cb => sub {
		2260	cf::cleanup "SIG$signal";
		2261	},
		2262	);
		2263	}
		2264	}
		2265
		2266	sub emergency_save() {
		2267	my $freeze_guard = cf::freeze_mainloop;
		2268
		2269	warn "enter emergency perl save\n";
		2270
		2271	cf::sync_job {
		2272	# use a peculiar iteration method to avoid tripping on perl
		2273	# refcount bugs in for. also avoids problems with players
		2274	# and maps saved/destroyed asynchronously.
		2275	warn "begin emergency player save\n";
		2276	for my $login (keys %cf::PLAYER) {
		2277	my $pl = $cf::PLAYER{$login} or next;
		2278	$pl->valid or next;
		2279	$pl->save;
		2280	}
		2281	warn "end emergency player save\n";
		2282
		2283	warn "begin emergency map save\n";
		2284	for my $path (keys %cf::MAP) {
		2285	my $map = $cf::MAP{$path} or next;
		2286	$map->valid or next;
		2287	$map->save;
		2288	}
		2289	warn "end emergency map save\n";
		2290	};
		2291
		2292	warn "leave emergency perl save\n";
		2293	}
1901		2294
1902	sub reload() {	2295	sub reload() {
1903	# can/must only be called in main	2296	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2297	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2298	warn "can only reload from main coroutine\n";
1906	return;	2299	return;
1907	}	2300	}
1908		2301
1909	warn "reloading...";	2302	warn "reloading...";
1910		2303
1911	local $FREEZE = 1;	2304	warn "freezing server";
		2305	my $guard = freeze_mainloop;
1912	cf::emergency_save;	2306	cf::emergency_save;
		2307
		2308	warn "sync database to disk";
		2309	cf::db_sync;
		2310	IO::AIO::flush;
1913		2311
1914	eval {	2312	eval {
1915	# 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
1916		2314
1917	# cancel all watchers	2315	warn "cancel all watchers";
1918	for (Event::all_watchers) {	2316	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2317	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2318	}
1921		2319
1922	# cancel all extension coros	2320	warn "cancel all extension coros";
1923	$_->cancel for values %EXT_CORO;	2321	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2322	%EXT_CORO = ();
1925		2323
		2324	warn "remove commands";
		2325	%COMMAND = ();
		2326
		2327	warn "remove ext commands";
		2328	%EXTCMD = ();
		2329
1926	# unload all extensions	2330	warn "unload/nuke all extensions";
1927	for (@exts) {	2331	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2332	warn "... unloading $pkg";
1929	unload_extension $_;	2333
		2334	if (my $cb = $pkg->can ("unload")) {
		2335	eval {
		2336	$cb->($pkg);
		2337	1
		2338	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2339	}
1931		2340
		2341	warn "... nuking $pkg";
		2342	Symbol::delete_package $pkg;
		2343	}
		2344
1932	# unload all modules loaded from $LIBDIR	2345	warn "unload all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2346	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2348
1936	warn "removing <$k>";	2349	warn "removing <$k>";
1937	delete $INC{$k};	2350	delete $INC{$k};
…		…
1944	}	2357	}
1945		2358
1946	Symbol::delete_package $k;	2359	Symbol::delete_package $k;
1947	}	2360	}
1948		2361
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2362	warn "get rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2363	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2365
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2366	warn "unload cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2367	delete $INC{"cf.pm"};
1962		2368
1963	# don't, removes xs symbols, too,	2369	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2370	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2371	#Symbol::delete_package __PACKAGE__;
1966		2372
1967	# reload cf.pm
1968	warn "reloading cf.pm";	2373	warn "reloading cf.pm";
1969	require cf;	2374	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2376
1972	# load config and database again	2377	warn "load config and database again";
1973	cf::cfg_load;	2378	cf::cfg_load;
1974	cf::db_load;	2379	cf::db_load;
1975		2380
1976	# load extensions
1977	warn "load extensions";	2381	warn "load extensions";
1978	cf::load_extensions;	2382	cf::load_extensions;
1979		2383
1980	# reattach attachments to objects	2384	warn "reattach attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2385	_global_reattach;
		2386	warn "reattach attachments to maps";
		2387	reattach $_ for values %MAP;
1983	};	2388	};
1984		2389
1985	if ($@) {	2390	if ($@) {
1986	warn $@;	2391	warn $@;
1987	warn "error while reloading, exiting.";	2392	warn "error while reloading, exiting.";
1988	exit 1;	2393	exit 1;
1989	}	2394	}
1990		2395
1991	warn "reloaded successfully";	2396	warn "reloaded";
1992	};	2397	};
1993		2398
1994	#############################################################################	2399	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2400
2039	register_command "reload" => sub {	2401	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2402	my ($who, $arg) = @_;
2041		2403
2042	if ($who->flag (FLAG_WIZ)) {	2404	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2405	$who->message ("reloading server.");
		2406
		2407	# doing reload synchronously and two reloads happen back-to-back,
		2408	# coro crashes during coro_state_free->destroy here.
		2409
		2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2044	reload;	2411	reload;
2045	$who->message ("end of reload.");	2412	undef $RELOAD_WATCHER;
		2413	});
2046	}	2414	}
2047	};	2415	};
2048		2416
2049	unshift @INC, $LIBDIR;	2417	unshift @INC, $LIBDIR;
2050		2418
…		…
2052	reentrant => 0,	2420	reentrant => 0,
2053	prio => 0,	2421	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2422	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2423	data => WF_AUTOCANCEL,
2056	cb => sub {	2424	cb => sub {
2057	unless ($FREEZE) {	2425	$NOW = Event::time;
		2426
2058	cf::server_tick; # one server iteration	2427	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2428	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2429	$NEXT_TICK += $TICK;
		2430
		2431	$WAIT_FOR_TICK->broadcast;
		2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2063		2433
2064	# if we are delayed by four ticks or more, skip them all	2434	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2436
2067	$TICK_WATCHER->at ($NEXT_TICK);	2437	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2069	},	2439	},
2070	);	2440	);
2071		2441
2072	IO::AIO::max_poll_time $TICK * 0.2;	2442	IO::AIO::max_poll_time $TICK * 0.2;
2073		2443
2074	Event->io (	2444	$AIO_POLL_WATCHER = Event->io (
2075	fd => IO::AIO::poll_fileno,	2445	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2446	poll => 'r',
2077	prio => 5,	2447	prio => 5,
2078	data => WF_AUTOCANCEL,	2448	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2449	cb => \&IO::AIO::poll_cb,
2080	);	2450	);
2081		2451
2082	Event->timer (	2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2083	data => WF_AUTOCANCEL,	2453	data => WF_AUTOCANCEL,
2084	after => 0,	2454	after => 0,
2085	interval => 10,	2455	interval => 10,
2086	cb => sub {	2456	cb => sub {
2087	(Coro::unblock_sub {	2457	(Coro::unblock_sub {
…		…
2089	or warn "ERROR: unable to write runtime file: $!";	2459	or warn "ERROR: unable to write runtime file: $!";
2090	})->();	2460	})->();
2091	},	2461	},
2092	);	2462	);
2093		2463
		2464	END { cf::emergency_save }
		2465
2094	1	2466	1
2095		2467

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