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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
77		87
78	#############################################################################	88	#############################################################################
79		89
80	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
105		115
106	=item %cf::CFG	116	=item %cf::CFG
107		117
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		127
111	=back	128	=back
112		129
113	=cut	130	=cut
114		131
…		…
118	utf8::encode $msg;	135	utf8::encode $msg;
119		136
120	$msg .= "\n"	137	$msg .= "\n"
121	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
122		139
123	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
124	};	141	};
125	}	142	}
126		143
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		163
147	$Event::DIED = sub {	164	$Event::DIED = sub {
148	warn "error in event callback: @_";	165	warn "error in event callback: @_";
149	};	166	};
150		167
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
156		169
157	=over 4	170	=over 4
158		171
		172	=item dumpval $ref
		173
159	=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	}
160		194
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		196
163	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
164		198
…		…
180	sub to_json($) {	214	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
183	}	217	}
184		218
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	219	=item cf::lock_wait $string
208		220
209	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
210		222
211	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
212		224
213	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
216	returned.	228	returned.
217		229
218	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
220		232
221	=cut	233	=cut
222		234
223	our %LOCK;	235	our %LOCK;
224		236
…		…
238	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
239	lock_wait $key;	251	lock_wait $key;
240		252
241	$LOCK{$key} = [];	253	$LOCK{$key} = [];
242		254
243	cf::guard {	255	Coro::guard {
244	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
246	}	258	}
247	}	259	}
248		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	$guard
		271	}
		272
249	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
250		274
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
253		278
254	=cut	279	=cut
255		280
256	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		282
265	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
266		284
267	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
284		302
285	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	304	# (but this is cancel-safe)
287	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
288		306
289	my $busy = 1;	307	my $busy = 1;
290	my @res;	308	my @res;
291		309
292	(Coro::async {	310	(async {
293	@res = eval { $job->() };	311	@res = eval { $job->() };
294	warn $@ if $@;	312	warn $@ if $@;
295	undef $busy;	313	undef $busy;
296	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
297		315
298	while ($busy) {	316	while ($busy) {
299	Coro::cede_notself;	317	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	318	}
302		319
303	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
304	} else {	321	} else {
305	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
306		323
307	$job->()	324	$job->()
308	}	325	}
309	}	326	}
310		327
311	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
312		329
313	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
315		332
316	=cut	333	=cut
317		334
318	sub coro(&) {	335	sub async_ext(&) {
319	my $cb = shift;	336	my $cb = shift;
320		337
321	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
322		339
323	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
325	});	342	});
326	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
333		350
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	352	or return;
336		353
		354	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	359	and return;
340		360
341	aio_fsync $fh	361	aio_fsync $fh
342	and return;	362	and return;
…		…
351	}	371	}
352		372
353	=back	373	=back
354		374
355	=cut	375	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		376
477	#############################################################################	377	#############################################################################
478		378
479	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
480		380
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	507	our @CB_MAP = ();
608		508
609	my %attachment;	509	my %attachment;
610		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
611	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
613		519
614	use sort 'stable';	520	use sort 'stable';
615		521
…		…
786	# object support	692	# object support
787		693
788	sub reattach {	694	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		699
792	my $registry = $obj->registry;	700	my $registry = $obj->registry;
793		701
794	@$registry = ();	702	@$registry = ();
795		703
…		…
927	=cut	835	=cut
928		836
929	sub register_extcmd {	837	sub register_extcmd {
930	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
931		839
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
936	}	841	}
937		842
938	cf::player->attach (	843	cf::player->attach (
939	on_command => sub {	844	on_command => sub {
940	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
953		858
954	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
955		860
956	if (ref $msg) {	861	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	865	}
961	}	866	}
962	} else {	867	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		870
966	cf::override;	871	cf::override;
967	},	872	},
968	);	873	);
969		874
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	875	sub load_extension {
977	my ($path) = @_;	876	my ($path) = @_;
978		877
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	879	my $base = $1;
981	my $pkg = $1;	880	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
984		883
985	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
986		885
987	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
988	or die "$path: $!";	887	or die "$path: $!";
989		888
990	my $source =	889	my $source =
991	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
994	. "\n};\n1";	893	. "\n};\n1";
995		894
996	eval $source	895	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	897	: "extension disabled.\n";
999		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	899	warn $@;
1001	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1002		901	exit 1;
1003	# no strict 'refs';	902	}
1004	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	904	}
1019		905
1020	# remove commands	906	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	907	}
1045		908
1046	sub load_extensions {	909	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	911	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1053	}	916	}
1054	}	917	}
1055		918
1056	#############################################################################	919	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		920
1094	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1095		922
1096	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1097		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1098	=head3 cf::player	931	=head3 cf::player
1099		932
1100	=over 4	933	=over 4
1101		934
1102	=item cf::player::exists $login	935	=item cf::player::find $login
1103		936
1104	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1105		938
1106	=cut	939	=cut
1107		940
1108	sub cf::player::exists($) {	941	sub playerdir($) {
1109	cf::player::find $_[0]	942	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1111	}	1088	}
1112		1089
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1091
1115	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1116		1093
1117	=cut	1094	=cut
1118		1095
1119	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1121		1098
1122	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1123		1100
1124	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1125	}	1102	}
		1103
		1104	package cf;
1126		1105
1127	=back	1106	=back
1128		1107
1129		1108
1130	=head3 cf::map	1109	=head3 cf::map
…		…
1136	package cf::map;	1115	package cf::map;
1137		1116
1138	use Fcntl;	1117	use Fcntl;
1139	use Coro::AIO;	1118	use Coro::AIO;
1140		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1141	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1143		1126
1144	sub generate_random_map {	1127	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1130	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1260	}
1162		1261
1163	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1164	# all maps in C++...	1263	# all maps in C++...
1165	sub change_all_map_light {	1264	sub change_all_map_light {
…		…
1167		1266
1168	$_->change_map_light ($change)	1267	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1268	for grep $_->outdoor, values %cf::MAP;
1170	}	1269	}
1171		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1172	sub try_load_header($) {	1279	sub load_header_from($) {
1173	my ($path) = @_;	1280	my ($self, $path) = @_;
1174		1281
1175	utf8::encode $path;	1282	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1177	or return;	1284	or return;
1178		1285
1179	my $map = cf::map::new	1286	$self->_load_header ($path)
1180	or return;	1287	or return;
1181		1288
1182	$map->load_header ($path)	1289	$self->{load_path} = $path;
		1290
		1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1183	or return;	1317	or return;
1184		1318
1185	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1186		1324
1187	$map	1325	1
1188	}	1326	}
1189		1327
1190	sub find_map;	1328	sub find;
1191	sub find_map {	1329	sub find {
1192	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1193		1331
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1333
1199	cf::lock_wait "map_find:$key";	1334	cf::lock_wait "map_find:$path";
1200		1335
1201	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1337	my $guard = cf::lock_acquire "map_find:$path";
1203		1338	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1339	or return;
1219		1340
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1341	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);	1342
		1343	$map->load_header
		1344	or return;
1232		1345
1233	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1349	$map->reset;
1235	undef $guard;	1350	undef $guard;
1236	$map = find_map $path	1351	$map = find $path
1237	or return;	1352	or return;
1238	}	1353	}
1239		1354
1240	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1241	}	1356	}
1242	}	1357	}
1243		1358
1244	sub load {	1359	sub load {
1245	my ($self) = @_;	1360	my ($self) = @_;
1246		1361
1247	my $path = $self->{path};	1362	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1363	my $guard = cf::lock_acquire "map_load:$path";
1249		1364
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1366
1252	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1253		1368
1254	$self->alloc;	1369	$self->alloc;
1255	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1371	or return;
1257		1372
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1374	if delete $self->{load_original};
1260		1375
1261	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1377	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1379	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1266	}	1381	}
1267	}	1382	}
		1383
		1384	Coro::cede;
1268		1385
1269	# now do the right thing for maps	1386	# now do the right thing for maps
1270	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1271		1388
1272	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1390	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1279	$self->set_darkness_map;	1394	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1282	$self->activate;	1398	$self->activate;
1283	}	1399	}
1284		1400
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1402	}
1287		1403
1288	sub load_map_sync {	1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
		1435	}
		1436
		1437	sub find_sync {
1289	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1290		1439
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1440	cf::sync_job { find $path, $origin }
		1441	}
1292		1442
1293	cf::sync_job {	1443	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1444	my ($map) = @_;
1295	or return;	1445
		1446	cf::sync_job { $map->load };
		1447	}
		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
1296	$map->load;	1467	$map->load;
1297	$map	1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
1298	}	1473	};
		1474
		1475	()
1299	}	1476	}
1300		1477
1301	sub save {	1478	sub save {
1302	my ($self) = @_;	1479	my ($self) = @_;
1303		1480
		1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1482
1304	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1305		1484
1306	return unless $self->dirty;	1485	return unless $self->dirty;
1307		1486
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1487	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1489
1311	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1312		1491
1313	return if $self->{deny_save};	1492	return if $self->{deny_save};
1314		1493
		1494	local $self->{last_access} = $self->last_access;#d#
		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1315	if ($uniq) {	1500	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1503	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1505	}
1321	}	1506	}
1322		1507
1323	sub swap_out {	1508	sub swap_out {
1324	my ($self) = @_;	1509	my ($self) = @_;
1325		1510
1326	# save first because save cedes	1511	# save first because save cedes
1327	$self->save;	1512	$self->save;
		1513
		1514	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1515
1329	return if $self->players;	1516	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1518	return if $self->{deny_save};
1332		1519
…		…
1336		1523
1337	sub reset_at {	1524	sub reset_at {
1338	my ($self) = @_;	1525	my ($self) = @_;
1339		1526
1340	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1343		1530
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1533
…		…
1351	my ($self) = @_;	1538	my ($self) = @_;
1352		1539
1353	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1354	}	1541	}
1355		1542
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1543	sub reset {
1378	my ($self) = @_;	1544	my ($self) = @_;
1379		1545
		1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1547
1380	return if $self->players;	1548	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1382		1550
1383	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1384		1552
1385	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1386		1557
1387	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1388		1559
1389	$self->unlink_save;	1560	$self->unlink_save;
1390	$self->destroy;	1561	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1394		1565
1395	sub nuke {	1566	sub nuke {
1396	my ($self) = @_;	1567	my ($self) = @_;
1397		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1401	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1402	}	1582	}
1403		1583
1404	sub customise_for {	1584	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1585
1407	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1409	}
1410		1588
1411	$map	1589	=cut
1412	}
1413		1590
1414	sub emergency_save {	1591	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1416		1594
1417	warn "enter emergency map save\n";	1595	my @paths;
1418		1596
1419	cf::sync_job {	1597	for (@$files) {
1420	warn "begin emergency map save\n";	1598	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1422	};	1604	}
1423		1605
1424	warn "end emergency map save\n";	1606	\@paths
1425	}	1607	}
1426		1608
1427	package cf;	1609	package cf;
1428		1610
1429	=back	1611	=back
1430		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1431		1639
1432	=head3 cf::object::player	1640	=head3 cf::object::player
1433		1641
1434	=over 4	1642	=over 4
1435		1643
…		…
1475		1683
1476	=item $player_object->enter_link	1684	=item $player_object->enter_link
1477		1685
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1687
1480	The player should be reaosnably safe there for short amounts of time. You	1688	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1482		1690
		1691	Will never block.
		1692
1483	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1484		1694
1485	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1698	fails, to the emergency map position.
1489		1699
1490	Might block.	1700	Might block.
1491		1701
1492	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1493		1713
1494	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1715	my ($self) = @_;
1496		1716
1497	$self->deactivate_recursive;	1717	$self->deactivate_recursive;
1498		1718
1499	return if $self->map == $LINK_MAP;	1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1720
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1722	if $self->map;
1503		1723
1504	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1505	}	1725	}
1506		1726
1507	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1509		1729
1510	my $link_pos = delete $self->{_link_pos};	1730	my $link_pos = delete $self->{_link_pos};
1511		1731
1512	unless ($map) {	1732	unless ($map) {
1513	# restore original map position	1733	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1734	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1735	$map = cf::map::find $map;
1516		1736
1517	unless ($map) {	1737	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1738	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1739	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1740	or die "FATAL: cannot load emergency map\n";
1521	}	1741	}
1522	}	1742	}
1523		1743
1524	($x, $y) = (-1, -1)	1744	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1530		1750
1531	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1532		1753
		1754	return unless $self->contr->active;
1533	$self->activate_recursive;	1755	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1535	}	1757	}
1536		1758
1537	cf::player->attach (	1759	cf::player->attach (
…		…
1550		1772
1551	# try to abort aborted map switching on player login :)	1773	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1774	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1775	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1776	$pl->ob->enter_link;
1555	cf::async {	1777	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1778	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1784	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1785	$pl->ob->leave_link;
1560	};	1786	})->prio (2);
1561	}	1787	}
1562	},	1788	},
1563	);	1789	);
1564		1790
1565	=item $player_object->goto_map ($path, $x, $y)	1791	=item $player_object->goto ($path, $x, $y)
1566		1792
1567	=cut	1793	=cut
1568		1794
1569	sub cf::object::player::goto_map {	1795	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1571		1797
1572	$self->enter_link;	1798	$self->enter_link;
1573		1799
1574	(cf::async {	1800	(async {
1575	$path = new cf::path $path;
1576
1577	my $map = cf::map::find_map $path->as_string;	1801	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1579		1803
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1581	# if $map;	1805	# if $map;
1582		1806
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1808
1585	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1810	})->prio (1);
1587	}	1811	}
1588		1812
…		…
1592		1816
1593	sub parse_random_map_params {	1817	sub parse_random_map_params {
1594	my ($spec) = @_;	1818	my ($spec) = @_;
1595		1819
1596	my $rmp = { # defaults	1820	my $rmp = { # defaults
1597	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1599	};	1825	};
1600		1826
1601	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1603		1829
…		…
1607	$rmp	1833	$rmp
1608	}	1834	}
1609		1835
1610	sub prepare_random_map {	1836	sub prepare_random_map {
1611	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1840
1613	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1843	# that depends on the exit object
1616		1844
…		…
1625		1853
1626	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1627		1855
1628	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1859
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1633		1864
1634	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1866	$exit->msg (undef);
1636	}	1867	}
1637	}	1868	}
…		…
1641		1872
1642	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1643		1874
1644	$self->enter_link;	1875	$self->enter_link;
1645		1876
1646	(cf::async {	1877	(async {
		1878	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1879	unless (eval {
1648	prepare_random_map $exit	1880	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1650		1882
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1885
1654	1;	1886	1;
1655	}) {	1887	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1892
1661	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1894	$self->leave_link;
1663	}	1895	}
…		…
1731	}	1963	}
1732	}	1964	}
1733	},	1965	},
1734	);	1966	);
1735		1967
1736	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1737		1969
1738	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	1972	or loss of connection).
1741		1973
1742	=cut	1974	=cut
1743		1975
1744	sub cf::client::coro {	1976	sub cf::client::async {
1745	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1746		1978
1747	my $coro = &cf::async ($cb);	1979	my $coro = &Coro::async ($cb);
1748		1980
1749	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1751	});	1983	});
1752		1984
…		…
1946	sub db_sync() {	2178	sub db_sync() {
1947	db_save if $dirty;	2179	db_save if $dirty;
1948	undef $dirty;	2180	undef $dirty;
1949	}	2181	}
1950		2182
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;	2184	db_sync;
1953	});	2185	});
1954		2186
1955	sub db_dirty() {	2187	sub db_dirty() {
1956	$dirty = 1;	2188	$dirty = 1;
…		…
1990	local $/;	2222	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2223	*CFG = YAML::Syck::Load <$fh>;
1992		2224
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2226
		2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2229
1995	if (exists $CFG{mlockall}) {	2230	if (exists $CFG{mlockall}) {
1996	eval {	2231	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2233	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2234	};
2000	warn $@ if $@;	2235	warn $@ if $@;
2001	}	2236	}
2002	}	2237	}
2003		2238
2004	sub main {	2239	sub main {
2005	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2243	(async {
2009	Event::one_event;	2244	Event::one_event;
2010	})->();	2245	})->prio (Coro::PRIO_MAX);
2011	};	2246	};
2012		2247
2013	cfg_load;	2248	cfg_load;
2014	db_load;	2249	db_load;
2015	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
2016	Event::loop;	2253	Event::loop;
2017	}	2254	}
2018		2255
2019	#############################################################################	2256	#############################################################################
2020	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
2021		2300
2022	sub reload() {	2301	sub reload() {
2023	# can/must only be called in main	2302	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
2026	return;	2305	return;
2027	}	2306	}
2028		2307
2029	warn "reloading...";	2308	warn "reloading...";
2030		2309
2031	local $FREEZE = 1;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
2032	cf::emergency_save;	2313	cf::emergency_save;
2033		2314
2034	eval {	2315	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
2036		2317
2037	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2324	}
2041		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
2042	# cancel all extension coros	2334	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2336	%EXT_CORO = ();
2045		2337
2046	# unload all extensions	2338	warn "removing commands";
2047	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2346	warn "... unloading $pkg";
2049	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2353	}
2051		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
2052	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2362
2056	warn "removing <$k>";	2363	warn "... unloading $k";
2057	delete $INC{$k};	2364	delete $INC{$k};
2058		2365
2059	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
2061		2368
…		…
2064	}	2371	}
2065		2372
2066	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
2067	}	2374	}
2068		2375
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2379
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
2082		2382
2083	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2384	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
2086		2386
2087	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
2088	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
2089	require cf;	2390	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2392
2092	# load config and database again	2393	warn "loading config and database again";
2093	cf::cfg_load;	2394	cf::cfg_load;
2094	cf::db_load;	2395	cf::db_load;
2095		2396
2096	# load extensions
2097	warn "load extensions";	2397	warn "loading extensions";
2098	cf::load_extensions;	2398	cf::load_extensions;
2099		2399
2100	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
2103	};	2408	};
2104		2409
2105	if ($@) {	2410	if ($@) {
2106	warn $@;	2411	warn $@;
2107	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
2108	exit 1;	2413	exit 1;
2109	}	2414	}
2110		2415
2111	warn "reloaded successfully";	2416	warn "reloaded";
2112	};	2417	};
2113		2418
2114	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2420
2159	register_command "reload" => sub {	2421	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2161		2423
2162	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2164	reload;	2431	reload;
2165	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2166	}	2434	}
2167	};	2435	};
2168		2436
2169	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2170		2440
2171	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2173	prio => 0,	2444	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2176	cb => sub {	2447	cb => sub {
2177	unless ($FREEZE) {	2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2178	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2183		2462
2184	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2465
2187	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2189	},	2468	},
2190	);	2469	);
2191		2470
2192	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2193		2472
2194	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2195	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2475	poll => 'r',
2197	prio => 5,	2476	prio => 5,
2198	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2200	);	2479	);
2201		2480
2202	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2203	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2204	after => 0,	2483	after => 1,
2205	interval => 10,	2484	interval => 10,
2206	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2207	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2208	write_runtime	2487	write_runtime
2209	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2210	})->();
2211	},	2489	},
2212	);	2490	);
2213		2491
2214	END { cf::emergency_save }	2492	END { cf::emergency_save }
2215		2493

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