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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 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 3.5 ();
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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
179	sub to_json($) {	216	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
182	}	219	}
183		220
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	Wait until the given lock is available and then acquires it and returns	227	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
348	aio_fsync $fh	363	aio_fsync $fh
349	and return;	364	and return;
…		…
358	}	373	}
359		374
360	=back	375	=back
361		376
362	=cut	377	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		378
484	#############################################################################	379	#############################################################################
485		380
486	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
487		382
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	509	our @CB_MAP = ();
615		510
616	my %attachment;	511	my %attachment;
617		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
618	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
620		521
621	use sort 'stable';	522	use sort 'stable';
622		523
…		…
793	# object support	694	# object support
794		695
795	sub reattach {	696	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		701
799	my $registry = $obj->registry;	702	my $registry = $obj->registry;
800		703
801	@$registry = ();	704	@$registry = ();
802		705
…		…
934	=cut	837	=cut
935		838
936	sub register_extcmd {	839	sub register_extcmd {
937	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
938		841
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
943	}	843	}
944		844
945	cf::player->attach (	845	cf::player->attach (
946	on_command => sub {	846	on_command => sub {
947	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
960		860
961	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
962		862
963	if (ref $msg) {	863	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	867	}
968	}	868	}
969	} else {	869	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		872
973	cf::override;	873	cf::override;
974	},	874	},
975	);	875	);
976		876
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	877	sub load_extension {
984	my ($path) = @_;	878	my ($path) = @_;
985		879
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	881	my $base = $1;
988	my $pkg = $1;	882	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
991		885
992	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
993		887
994	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
995	or die "$path: $!";	889	or die "$path: $!";
996		890
997	my $source =	891	my $source =
998	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
1001	. "\n};\n1";	895	. "\n};\n1";
1002		896
1003	eval $source	897	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	899	: "extension disabled.\n";
1006		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	901	warn $@;
1008	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
1009		903	exit 1;
1010	# no strict 'refs';	904	}
1011	# @{"$pkg\::ISA"} = ext::;	905	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	906	}
1026		907
1027	# remove commands	908	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	909	}
1052		910
1053	sub load_extensions {	911	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	913	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1060	}	918	}
1061	}	919	}
1062		920
1063	#############################################################################	921	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		922
1101	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1102		924
1103	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1104		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1105	=head3 cf::player	933	=head3 cf::player
1106		934
1107	=over 4	935	=over 4
1108		936
1109	=item cf::player::exists $login	937	=item cf::player::find $login
1110		938
1111	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1112		940
1113	=cut	941	=cut
1114		942
1115	sub cf::player::exists($) {	943	sub playerdir($) {
1116	cf::player::find $_[0]	944	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	945	. "/"
		946	. cf::playerdir
		947	. "/"
		948	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		949	}
		950
		951	sub path($) {
		952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		953
		954	(playerdir $login) . "/$login.pl"
		955	}
		956
		957	sub find_active($) {
		958	$cf::PLAYER{$_[0]}
		959	and $cf::PLAYER{$_[0]}->active
		960	and $cf::PLAYER{$_[0]}
		961	}
		962
		963	sub exists($) {
		964	my ($login) = @_;
		965
		966	$cf::PLAYER{$login}
		967	or cf::sync_job { !aio_stat path $login }
		968	}
		969
		970	sub find($) {
		971	return $cf::PLAYER{$_[0]} || do {
		972	my $login = $_[0];
		973
		974	my $guard = cf::lock_acquire "user_find:$login";
		975
		976	$cf::PLAYER{$_[0]} || do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
		981	}
		982	}
		983
		984	sub save($) {
		985	my ($pl) = @_;
		986
		987	return if $pl->{deny_save};
		988
		989	my $path = path $pl;
		990	my $guard = cf::lock_acquire "user_save:$path";
		991
		992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
		995	$pl->{last_save} = $cf::RUNTIME;
		996
		997	$pl->save_pl ($path);
		998	Coro::cede;
		999	}
		1000
		1001	sub new($) {
		1002	my ($login) = @_;
		1003
		1004	my $self = create;
		1005
		1006	$self->ob->name ($login);
		1007	$self->{deny_save} = 1;
		1008
		1009	$cf::PLAYER{$login} = $self;
		1010
		1011	$self
		1012	}
		1013
		1014	=item $pl->quit_character
		1015
		1016	Nukes the player without looking back. If logged in, the connection will
		1017	be destroyed. May block for a long time.
		1018
		1019	=cut
		1020
		1021	sub quit_character {
		1022	my ($pl) = @_;
		1023
		1024	$pl->{deny_save} = 1;
		1025	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1026
		1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1028	$pl->deactivate;
		1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1030	$pl->ns->destroy if $pl->ns;
		1031
		1032	my $path = playerdir $pl;
		1033	my $temp = "$path~$cf::RUNTIME~deleting~";
		1034	aio_rename $path, $temp;
		1035	delete $cf::PLAYER{$pl->ob->name};
		1036	$pl->destroy;
		1037	IO::AIO::aio_rmtree $temp;
		1038	}
		1039
		1040	=item cf::player::list_logins
		1041
		1042	Returns am arrayref of all valid playernames in the system, can take a
		1043	while and may block, so not sync_job-capable, ever.
		1044
		1045	=cut
		1046
		1047	sub list_logins {
		1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1049	or return [];
		1050
		1051	my @logins;
		1052
		1053	for my $login (@$dirs) {
		1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1055	aio_read $fh, 0, 512, my $buf, 0 or next;
		1056	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1057
		1058	utf8::decode $login;
		1059	push @logins, $login;
		1060	}
		1061
		1062	\@logins
		1063	}
		1064
		1065	=item $player->maps
		1066
		1067	Returns an arrayref of map paths that are private for this
		1068	player. May block.
		1069
		1070	=cut
		1071
		1072	sub maps($) {
		1073	my ($pl) = @_;
		1074
		1075	my $files = aio_readdir playerdir $pl
		1076	or return;
		1077
		1078	my @paths;
		1079
		1080	for (@$files) {
		1081	utf8::decode $_;
		1082	next if /\.(?:pl|pst)$/;
		1083	next unless /^$PATH_SEP/o;
		1084
		1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1086	}
		1087
		1088	\@paths
1118	}	1089	}
1119		1090
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1092
1122	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1123		1094
1124	=cut	1095	=cut
1125		1096
1126	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1128		1099
1129	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1130		1101
1131	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1132	}	1103	}
		1104
		1105	package cf;
1133		1106
1134	=back	1107	=back
1135		1108
1136		1109
1137	=head3 cf::map	1110	=head3 cf::map
…		…
1143	package cf::map;	1116	package cf::map;
1144		1117
1145	use Fcntl;	1118	use Fcntl;
1146	use Coro::AIO;	1119	use Coro::AIO;
1147		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1148	our $MAX_RESET = 3600;	1125	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1126	our $DEFAULT_RESET = 3000;
1150		1127
1151	sub generate_random_map {	1128	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1131	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1142	(cf::region::find $rmp->{region}), $rmp->{custom}
		1143	)
		1144	}
		1145
		1146	=item cf::map->register ($regex, $prio)
		1147
		1148	Register a handler for the map path matching the given regex at the
		1149	givne priority (higher is better, built-in handlers have priority 0, the
		1150	default).
		1151
		1152	=cut
		1153
		1154	sub register {
		1155	my (undef, $regex, $prio) = @_;
		1156	my $pkg = caller;
		1157
		1158	no strict;
		1159	push @{"$pkg\::ISA"}, __PACKAGE__;
		1160
		1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1162	}
		1163
		1164	# also paths starting with '/'
		1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1166
		1167	sub thawer_merge {
		1168	my ($self, $merge) = @_;
		1169
		1170	# we have to keep some variables in memory intact
		1171	local $self->{path};
		1172	local $self->{load_path};
		1173	local $self->{deny_save};
		1174	local $self->{deny_reset};
		1175
		1176	$self->SUPER::thawer_merge ($merge);
		1177	}
		1178
		1179	sub normalise {
		1180	my ($path, $base) = @_;
		1181
		1182	$path = "$path"; # make sure its a string
		1183
		1184	$path =~ s/\.map$//;
		1185
		1186	# map plan:
		1187	#
		1188	# /! non-realised random map exit (special hack!)
		1189	# {... are special paths that are not being touched
		1190	# ?xxx/... are special absolute paths
		1191	# ?random/... random maps
		1192	# /... normal maps
		1193	# ~user/... per-player map of a specific user
		1194
		1195	$path =~ s/$PATH_SEP/\//go;
		1196
		1197	# treat it as relative path if it starts with
		1198	# something that looks reasonable
		1199	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1200	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1201
		1202	$base =~ s{[^/]+/?$}{};
		1203	$path = "$base/$path";
		1204	}
		1205
		1206	for ($path) {
		1207	redo if s{//}{/};
		1208	redo if s{/\.?/}{/};
		1209	redo if s{/[^/]+/\.\./}{/};
		1210	}
		1211
		1212	$path
		1213	}
		1214
		1215	sub new_from_path {
		1216	my (undef, $path, $base) = @_;
		1217
		1218	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1219
		1220	$path = normalise $path, $base;
		1221
		1222	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1223	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1224	my $self = bless cf::map::new, $pkg;
		1225	$self->{path} = $path; $self->path ($path);
		1226	$self->init; # pass $1 etc.
		1227	return $self;
		1228	}
		1229	}
		1230
		1231	Carp::carp "unable to resolve path '$path' (base '$base').";
		1232	()
		1233	}
		1234
		1235	sub init {
		1236	my ($self) = @_;
		1237
		1238	$self
		1239	}
		1240
		1241	sub as_string {
		1242	my ($self) = @_;
		1243
		1244	"$self->{path}"
		1245	}
		1246
		1247	# the displayed name, this is a one way mapping
		1248	sub visible_name {
		1249	&as_string
		1250	}
		1251
		1252	# the original (read-only) location
		1253	sub load_path {
		1254	my ($self) = @_;
		1255
		1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1257	}
		1258
		1259	# the temporary/swap location
		1260	sub save_path {
		1261	my ($self) = @_;
		1262
		1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1265	}
		1266
		1267	# the unique path, undef == no special unique path
		1268	sub uniq_path {
		1269	my ($self) = @_;
		1270
		1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1273	}
1169		1274
1170	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1171	# all maps in C++...	1276	# all maps in C++...
1172	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1174		1279
1175	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1177	}	1282	}
1178		1283
		1284	sub unlink_save {
		1285	my ($self) = @_;
		1286
		1287	utf8::encode (my $save = $self->save_path);
		1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1289	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1290	}
		1291
1179	sub try_load_header($) {	1292	sub load_header_from($) {
1180	my ($path) = @_;	1293	my ($self, $path) = @_;
1181		1294
1182	utf8::encode $path;	1295	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1184	or return;	1297	or return;
1185		1298
1186	my $map = cf::map::new	1299	$self->_load_header ($path)
1187	or return;	1300	or return;
1188		1301
1189	$map->load_header ($path)	1302	$self->{load_path} = $path;
		1303
		1304	1
		1305	}
		1306
		1307	sub load_header_orig {
		1308	my ($self) = @_;
		1309
		1310	$self->load_header_from ($self->load_path)
		1311	}
		1312
		1313	sub load_header_temp {
		1314	my ($self) = @_;
		1315
		1316	$self->load_header_from ($self->save_path)
		1317	}
		1318
		1319	sub prepare_temp {
		1320	my ($self) = @_;
		1321
		1322	$self->last_access ((delete $self->{last_access})
		1323	|| $cf::RUNTIME); #d#
		1324	# safety
		1325	$self->{instantiate_time} = $cf::RUNTIME
		1326	if $self->{instantiate_time} > $cf::RUNTIME;
		1327	}
		1328
		1329	sub prepare_orig {
		1330	my ($self) = @_;
		1331
		1332	$self->{load_original} = 1;
		1333	$self->{instantiate_time} = $cf::RUNTIME;
		1334	$self->last_access ($cf::RUNTIME);
		1335	$self->instantiate;
		1336	}
		1337
		1338	sub load_header {
		1339	my ($self) = @_;
		1340
		1341	if ($self->load_header_temp) {
		1342	$self->prepare_temp;
		1343	} else {
		1344	$self->load_header_orig
1190	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1191		1348
1192	$map->{load_path} = $path;	1349	1
1193
1194	$map
1195	}	1350	}
1196		1351
1197	sub find;	1352	sub find;
1198	sub find {	1353	sub find {
1199	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1200		1355
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1357
1206	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1207		1359
1208	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1210		1362	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1363	or return;
1228		1364
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1365	$map->{last_save} = $cf::RUNTIME;
1241		1366
1242	if ($map->should_reset) {	1367	$map->load_header
		1368	or return;
		1369
		1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1371	# doing this can freeze the server in a sync job, obviously
		1372	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1373	$map->reset;
1244	undef $guard;	1374	undef $guard;
1245	$map = find $path	1375	return find $path;
1246	or return;
1247	}	1376	}
1248		1377
1249	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1250	}	1379	}
1251	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1252		1384
1253	sub load {	1385	sub load {
1254	my ($self) = @_;	1386	my ($self) = @_;
1255		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1256	my $path = $self->{path};	1390	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1258		1392
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1394
1261	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1262		1396
1263	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1264	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1402	or return;
1266		1403
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1405	if delete $self->{load_original};
1269		1406
1270	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1408	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1410	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1275	}	1412	}
1276	}	1413	}
		1414
		1415	Coro::cede;
1277		1416
1278	# now do the right thing for maps	1417	# now do the right thing for maps
1279	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1280		1419
1281	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1421	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1288	$self->set_darkness_map;	1425	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1291	$self->activate;	1429	$self->activate;
1292	}	1430	}
1293		1431
		1432	$self->post_load;
		1433
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
		1435	}
		1436
		1437	sub customise_for {
		1438	my ($self, $ob) = @_;
		1439
		1440	return find "~" . $ob->name . "/" . $self->{path}
		1441	if $self->per_player;
		1442
		1443	$self
		1444	}
		1445
		1446	# find and load all maps in the 3x3 area around a map
		1447	sub load_diag {
		1448	my ($map) = @_;
		1449
		1450	my @diag; # diagonal neighbours
		1451
		1452	for (0 .. 3) {
		1453	my $neigh = $map->tile_path ($_)
		1454	or next;
		1455	$neigh = find $neigh, $map
		1456	or next;
		1457	$neigh->load;
		1458
		1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1461	}
		1462
		1463	for (@diag) {
		1464	my $neigh = find @$_
		1465	or next;
		1466	$neigh->load;
		1467	}
1295	}	1468	}
1296		1469
1297	sub find_sync {	1470	sub find_sync {
1298	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1299		1472
1300	cf::sync_job { cf::map::find $path, $origin }	1473	cf::sync_job { find $path, $origin }
1301	}	1474	}
1302		1475
1303	sub do_load_sync {	1476	sub do_load_sync {
1304	my ($map) = @_;	1477	my ($map) = @_;
1305		1478
1306	cf::sync_job { $map->load };	1479	cf::sync_job { $map->load };
1307	}	1480	}
1308		1481
		1482	our %MAP_PREFETCH;
		1483	our $MAP_PREFETCHER = undef;
		1484
		1485	sub find_async {
		1486	my ($path, $origin) = @_;
		1487
		1488	$path = normalise $path, $origin && $origin->{path};
		1489
		1490	if (my $map = $cf::MAP{$path}) {
		1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1492	}
		1493
		1494	undef $MAP_PREFETCH{$path};
		1495	$MAP_PREFETCHER ||= cf::async {
		1496	while (%MAP_PREFETCH) {
		1497	for my $path (keys %MAP_PREFETCH) {
		1498	my $map = find $path
		1499	or next;
		1500	$map->load;
		1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
		1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
		1510	}
		1511
1309	sub save {	1512	sub save {
1310	my ($self) = @_;	1513	my ($self) = @_;
1311		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1312	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1313		1518
1314	return unless $self->dirty;	1519	return unless $self->dirty;
1315		1520
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1523
1319	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1320		1525
1321	return if $self->{deny_save};	1526	return if $self->{deny_save};
1322		1527
1323	local $self->{last_access} = $self->last_access;#d#	1528	local $self->{last_access} = $self->last_access;#d#
1324		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1325	if ($uniq) {	1534	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1537	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1539	}
1331	}	1540	}
1332		1541
1333	sub swap_out {	1542	sub swap_out {
1334	my ($self) = @_;	1543	my ($self) = @_;
1335		1544
1336	# save first because save cedes	1545	# save first because save cedes
1337	$self->save;	1546	$self->save;
		1547
		1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1549
1339	return if $self->players;	1550	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1552	return if $self->{deny_save};
1342		1553
…		…
1346		1557
1347	sub reset_at {	1558	sub reset_at {
1348	my ($self) = @_;	1559	my ($self) = @_;
1349		1560
1350	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1353		1564
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1567
…		…
1361	my ($self) = @_;	1572	my ($self) = @_;
1362		1573
1363	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1364	}	1575	}
1365		1576
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1577	sub reset {
1388	my ($self) = @_;	1578	my ($self) = @_;
1389		1579
		1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1581
1390	return if $self->players;	1582	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1392		1584
1393	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1394		1586
1395	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1396		1591
1397	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1398		1593
1399	$self->unlink_save;	1594	$self->unlink_save;
1400	$self->destroy;	1595	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1404		1599
1405	sub nuke {	1600	sub nuke {
1406	my ($self) = @_;	1601	my ($self) = @_;
1407		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1411	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1412	}	1616	}
1413		1617
1414	sub customise_for {	1618	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1619
1417	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1419	}
1420		1622
1421	$map	1623	=cut
1422	}
1423		1624
1424	sub emergency_save {	1625	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1426		1628
1427	warn "enter emergency map save\n";	1629	my @paths;
1428		1630
1429	cf::sync_job {	1631	for (@$files) {
1430	warn "begin emergency map save\n";	1632	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1432	};	1637	}
1433		1638
1434	warn "end emergency map save\n";	1639	\@paths
1435	}	1640	}
1436		1641
1437	package cf;	1642	package cf;
1438		1643
1439	=back	1644	=back
1440		1645
		1646	=head3 cf::object
		1647
		1648	=cut
		1649
		1650	package cf::object;
		1651
		1652	=over 4
		1653
		1654	=item $ob->inv_recursive
		1655
		1656	Returns the inventory of the object _and_ their inventories, recursively.
		1657
		1658	=cut
		1659
		1660	sub inv_recursive_;
		1661	sub inv_recursive_ {
		1662	map { $_, inv_recursive_ $_->inv } @_
		1663	}
		1664
		1665	sub inv_recursive {
		1666	inv_recursive_ inv $_[0]
		1667	}
		1668
		1669	package cf;
		1670
		1671	=back
1441		1672
1442	=head3 cf::object::player	1673	=head3 cf::object::player
1443		1674
1444	=over 4	1675	=over 4
1445		1676
…		…
1485		1716
1486	=item $player_object->enter_link	1717	=item $player_object->enter_link
1487		1718
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1719	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1720
1490	The player should be reaosnably safe there for short amounts of time. You	1721	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1492		1723
		1724	Will never block.
		1725
1493	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1494		1727
1495	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1731	fails, to the emergency map position.
1499		1732
1500	Might block.	1733	Might block.
1501		1734
1502	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($LINK_MAP) {
		1739	$LINK_MAP = cf::map::find "{link}"
		1740	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1741	$LINK_MAP->load;
		1742	}
		1743
		1744	$LINK_MAP
		1745	}
1503		1746
1504	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1748	my ($self) = @_;
1506		1749
1507	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1508		1751
1509	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1753
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1755	if $self->map;
1513		1756
1514	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1758	}
1516		1759
1517	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1519		1762
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1540		1783
1541	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1542		1786
		1787	return unless $self->contr->active;
1543	$self->activate_recursive;	1788	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1545	}	1790	}
1546		1791
1547	cf::player->attach (	1792	cf::player->attach (
…		…
1560		1805
1561	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1807	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1565	cf::async {	1810	(async {
1566	# we need this sleep as the login has a concurrent enter_exit running	1811	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1812	# and this sleep increases chances of the player not ending up in scorn
		1813	$pl->ob->reply (undef,
		1814	"There was an internal problem at your last logout, "
		1815	. "the server will try to bring you to your intended destination in a second.",
		1816	cf::NDI_RED);
1568	Coro::Timer::sleep 1;	1817	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1818	$pl->ob->leave_link;
1570	};	1819	})->prio (2);
1571	}	1820	}
1572	},	1821	},
1573	);	1822	);
1574		1823
1575	=item $player_object->goto_map ($path, $x, $y)	1824	=item $player_object->goto ($path, $x, $y)
1576		1825
1577	=cut	1826	=cut
1578		1827
1579	sub cf::object::player::goto_map {	1828	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1581		1830
1582	$self->enter_link;	1831	$self->enter_link;
1583		1832
1584	(cf::async {	1833	(async {
1585	$path = new cf::path $path;	1834	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1835	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1589		1837	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1840
1595	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1842	})->prio (1);
1597	}	1843	}
1598		1844
…		…
1602		1848
1603	sub parse_random_map_params {	1849	sub parse_random_map_params {
1604	my ($spec) = @_;	1850	my ($spec) = @_;
1605		1851
1606	my $rmp = { # defaults	1852	my $rmp = { # defaults
1607	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1609	};	1857	};
1610		1858
1611	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1613		1861
…		…
1617	$rmp	1865	$rmp
1618	}	1866	}
1619		1867
1620	sub prepare_random_map {	1868	sub prepare_random_map {
1621	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1872
1623	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1875	# that depends on the exit object
1626		1876
1627	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1628		1878
1629	if ($exit->map) {	1879	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1634	}	1884	}
1635		1885
1636	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1637		1887
1638	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1891
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1893	aio_write $fh, 0, (length $data), $data, 0;
		1894	undef $fh;
		1895	aio_rename "$meta~", $meta;
1643		1896
1644	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1898	$exit->msg (undef);
1646	}	1899	}
1647	}	1900	}
…		…
1649	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1651		1904
1652	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
1653		1906
		1907	if ($exit->slaying eq "/!") {
		1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1909	cf::sync_job { prepare_random_map $exit };
		1910	}
		1911
		1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1913	my $hp = $exit->stats->hp;
		1914	my $sp = $exit->stats->sp;
		1915
1654	$self->enter_link;	1916	$self->enter_link;
1655		1917
1656	(cf::async {	1918	(async {
1657	$self->deactivate_recursive; # just to be sure	1919	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1920	unless (eval {
1659	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1922
1665	1;	1923	1;
1666	}) {	1924	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1926	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1929
1672	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1931	$self->leave_link;
1674	}	1932	}
…		…
1742	}	2000	}
1743	}	2001	}
1744	},	2002	},
1745	);	2003	);
1746		2004
1747	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1748		2006
1749	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2009	or loss of connection).
1752		2010
1753	=cut	2011	=cut
1754		2012
1755	sub cf::client::coro {	2013	sub cf::client::async {
1756	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1757		2015
1758	my $coro = &cf::async ($cb);	2016	my $coro = &Coro::async ($cb);
1759		2017
1760	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1762	});	2020	});
1763		2021
…		…
1957	sub db_sync() {	2215	sub db_sync() {
1958	db_save if $dirty;	2216	db_save if $dirty;
1959	undef $dirty;	2217	undef $dirty;
1960	}	2218	}
1961		2219
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1963	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1964	});	2227	);
1965		2228
1966	sub db_dirty() {	2229	sub db_dirty() {
1967	$dirty = 1;	2230	$dirty = 1;
1968	$idle->start;	2231	$idle->start;
1969	}	2232	}
…		…
2001	local $/;	2264	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2265	*CFG = YAML::Syck::Load <$fh>;
2003		2266
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2268
		2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2271
2006	if (exists $CFG{mlockall}) {	2272	if (exists $CFG{mlockall}) {
2007	eval {	2273	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2275	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2276	};
2011	warn $@ if $@;	2277	warn $@ if $@;
2012	}	2278	}
2013	}	2279	}
2014		2280
2015	sub main {	2281	sub main {
2016	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2285	(async {
2020	Event::one_event;	2286	Event::one_event;
2021	})->();	2287	})->prio (Coro::PRIO_MAX);
2022	};	2288	};
2023		2289
2024	cfg_load;	2290	cfg_load;
2025	db_load;	2291	db_load;
2026	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2027	Event::loop;	2295	Event::loop;
2028	}	2296	}
2029		2297
2030	#############################################################################	2298	#############################################################################
2031	# initialisation	2299	# initialisation and cleanup
		2300
		2301	# install some emergency cleanup handlers
		2302	BEGIN {
		2303	for my $signal (qw(INT HUP TERM)) {
		2304	Event->signal (
		2305	reentrant => 0,
		2306	data => WF_AUTOCANCEL,
		2307	signal => $signal,
		2308	prio => 0,
		2309	cb => sub {
		2310	cf::cleanup "SIG$signal";
		2311	},
		2312	);
		2313	}
		2314	}
		2315
		2316	sub emergency_save() {
		2317	my $freeze_guard = cf::freeze_mainloop;
		2318
		2319	warn "enter emergency perl save\n";
		2320
		2321	cf::sync_job {
		2322	# use a peculiar iteration method to avoid tripping on perl
		2323	# refcount bugs in for. also avoids problems with players
		2324	# and maps saved/destroyed asynchronously.
		2325	warn "begin emergency player save\n";
		2326	for my $login (keys %cf::PLAYER) {
		2327	my $pl = $cf::PLAYER{$login} or next;
		2328	$pl->valid or next;
		2329	$pl->save;
		2330	}
		2331	warn "end emergency player save\n";
		2332
		2333	warn "begin emergency map save\n";
		2334	for my $path (keys %cf::MAP) {
		2335	my $map = $cf::MAP{$path} or next;
		2336	$map->valid or next;
		2337	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2032		2344
2033	sub reload() {	2345	sub reload() {
2034	# can/must only be called in main	2346	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2037	return;	2349	return;
2038	}	2350	}
2039		2351
2040	warn "reloading...";	2352	warn "reloading...";
2041		2353
2042	my $guard = freeze_mainloop;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2043	cf::emergency_save;	2357	cf::emergency_save;
2044		2358
2045	eval {	2359	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2360	# if anything goes wrong in here, we should simply crash as we already saved
2047		2361
2048	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2368	}
2052		2369
		2370	warn "flushing outstanding aio requests";
		2371	for (;;) {
		2372	IO::AIO::flush;
		2373	Coro::cede;
		2374	last unless IO::AIO::nreqs;
		2375	warn "iterate...";
		2376	}
		2377
2053	# cancel all extension coros	2378	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2380	%EXT_CORO = ();
2056		2381
2057	# unload all extensions	2382	warn "removing commands";
2058	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2060	unload_extension $_;	2391
		2392	if (my $cb = $pkg->can ("unload")) {
		2393	eval {
		2394	$cb->($pkg);
		2395	1
		2396	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2397	}
2062		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2063	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2406
2067	warn "removing <$k>";	2407	warn "... unloading $k";
2068	delete $INC{$k};	2408	delete $INC{$k};
2069		2409
2070	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2072		2412
…		…
2075	}	2415	}
2076		2416
2077	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2078	}	2418	}
2079		2419
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2423
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2093		2426
2094	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2428	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2097		2430
2098	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2099	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2100	require cf;	2434	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2436
2103	# load config and database again	2437	warn "loading config and database again";
2104	cf::cfg_load;	2438	cf::cfg_load;
2105	cf::db_load;	2439	cf::db_load;
2106		2440
2107	# load extensions
2108	warn "load extensions";	2441	warn "loading extensions";
2109	cf::load_extensions;	2442	cf::load_extensions;
2110		2443
2111	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2114	};	2452	};
2115		2453
2116	if ($@) {	2454	if ($@) {
2117	warn $@;	2455	warn $@;
2118	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2119	exit 1;	2457	exit 1;
2120	}	2458	}
2121		2459
2122	warn "reloaded successfully";	2460	warn "reloaded";
2123	};	2461	};
2124		2462
2125	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2464
2170	register_command "reload" => sub {	2465	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2172		2467
2173	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2469	$who->message ("reloading server.");
		2470
		2471	# doing reload synchronously and two reloads happen back-to-back,
		2472	# coro crashes during coro_state_free->destroy here.
		2473
		2474	$RELOAD_WATCHER ||= Event->timer (
		2475	reentrant => 0,
		2476	after => 0,
		2477	data => WF_AUTOCANCEL,
		2478	cb => sub {
2175	reload;	2479	reload;
2176	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2177	}	2483	}
2178	};	2484	};
2179		2485
2180	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2181		2489
2182	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2184	prio => 0,	2493	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2187	cb => sub {	2496	cb => sub {
		2497	if ($Coro::current != $Coro::main) {
		2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2499	unless ++$bug_warning > 10;
		2500	return;
		2501	}
		2502
		2503	$NOW = Event::time;
		2504
2188	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2507	$NEXT_TICK += $TICK;
		2508
		2509	$WAIT_FOR_TICK->broadcast;
		2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2511
		2512	Event::sweep;
		2513	Coro::cede_notself;
		2514
		2515	# my $AFTER = Event::time;
		2516	# warn $AFTER - $NOW;#d#
2191		2517
2192	# if we are delayed by four ticks or more, skip them all	2518	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2520
2195	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2197	},	2523	},
2198	);	2524	);
2199		2525
2200	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2201		2527
2202	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2532	poll => 'r',
2205	prio => 5,	2533	prio => 6,
2206	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2208	);	2536	);
2209		2537
2210	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2212	after => 0,	2541	after => 1,
2213	interval => 10,	2542	interval => 10,
2214	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2216	write_runtime	2545	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2547	},
2220	);	2548	);
2221		2549
2222	END { cf::emergency_save }	2550	END { cf::emergency_save }
2223		2551

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