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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.126 by root, Tue Jan 2 23:12:47 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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=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	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
185		220
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
269		304
270	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	306	# (but this is cancel-safe)
272	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		341
313	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
315	});	344	});
316	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
323		352
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	354	or return;
326		355
		356	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	361	and return;
330		362
331	aio_fsync $fh	363	aio_fsync $fh
332	and return;	364	and return;
…		…
341	}	373	}
342		374
343	=back	375	=back
344		376
345	=cut	377	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		378
467	#############################################################################	379	#############################################################################
468		380
469	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
470		382
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	509	our @CB_MAP = ();
598		510
599	my %attachment;	511	my %attachment;
600		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
601	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
603		521
604	use sort 'stable';	522	use sort 'stable';
605		523
…		…
776	# object support	694	# object support
777		695
778	sub reattach {	696	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		701
782	my $registry = $obj->registry;	702	my $registry = $obj->registry;
783		703
784	@$registry = ();	704	@$registry = ();
785		705
…		…
917	=cut	837	=cut
918		838
919	sub register_extcmd {	839	sub register_extcmd {
920	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
921		841
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
926	}	843	}
927		844
928	cf::player->attach (	845	cf::player->attach (
929	on_command => sub {	846	on_command => sub {
930	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
943		860
944	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
945		862
946	if (ref $msg) {	863	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	867	}
951	}	868	}
952	} else {	869	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		872
956	cf::override;	873	cf::override;
957	},	874	},
958	);	875	);
959		876
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	877	sub load_extension {
967	my ($path) = @_;	878	my ($path) = @_;
968		879
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	881	my $base = $1;
971	my $pkg = $1;	882	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
974		885
975	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
976		887
977	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
978	or die "$path: $!";	889	or die "$path: $!";
979		890
980	my $source =	891	my $source =
981	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
984	. "\n};\n1";	895	. "\n};\n1";
985		896
986	eval $source	897	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	899	: "extension disabled.\n";
989		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	901	warn $@;
991	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
992		903	exit 1;
993	# no strict 'refs';	904	}
994	# @{"$pkg\::ISA"} = ext::;	905	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	906	}
1009		907
1010	# remove commands	908	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	909	}
1035		910
1036	sub load_extensions {	911	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	913	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1043	}	918	}
1044	}	919	}
1045		920
1046	#############################################################################	921	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		922
1084	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1085		924
1086	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1087		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1088	=head3 cf::player	933	=head3 cf::player
1089		934
1090	=over 4	935	=over 4
1091		936
1092	=item cf::player::exists $login	937	=item cf::player::find $login
1093		938
1094	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1095		940
1096	=cut	941	=cut
1097		942
1098	sub cf::player::exists($) {	943	sub playerdir($) {
1099	cf::player::find $_[0]	944	cf::localdir
1100	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
1101	}	1089	}
1102		1090
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1092
1105	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1106		1094
1107	=cut	1095	=cut
1108		1096
1109	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1111		1099
1112	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1113		1101
1114	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1115	}	1103	}
		1104
		1105	package cf;
1116		1106
1117	=back	1107	=back
1118		1108
1119		1109
1120	=head3 cf::map	1110	=head3 cf::map
…		…
1126	package cf::map;	1116	package cf::map;
1127		1117
1128	use Fcntl;	1118	use Fcntl;
1129	use Coro::AIO;	1119	use Coro::AIO;
1130		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1131	our $MAX_RESET = 7200;	1125	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1126	our $DEFAULT_RESET = 3000;
1133		1127
1134	sub generate_random_map {	1128	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1131	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1273	}
1152		1274
1153	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1154	# all maps in C++...	1276	# all maps in C++...
1155	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1157		1279
1158	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1160	}	1282	}
1161		1283
		1284	sub unlink_save {
		1285	my ($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
1162	sub try_load_header($) {	1292	sub load_header_from($) {
1163	my ($path) = @_;	1293	my ($self, $path) = @_;
1164		1294
1165	utf8::encode $path;	1295	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1167	or return;	1297	or return;
1168		1298
1169	my $map = cf::map::new	1299	$self->_load_header ($path)
1170	or return;	1300	or return;
1171		1301
1172	$map->load_header ($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
1173	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1174		1348
1175	$map->{load_path} = $path;	1349	1
1176
1177	$map
1178	}	1350	}
1179		1351
1180	sub find_map;	1352	sub find;
1181	sub find_map {	1353	sub find {
1182	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1183		1355
1184	#warn "find_map<$path,$origin>\n";#d#
1185
1186	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1187	my $key = $path->as_string;
1188		1357
1189	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1190		1359
1191	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1192	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1193		1362	my $map = new_from_path cf::map $path
1194	# do it the slow way
1195	my $map = try_load_header $path->save_path;
1196
1197	if ($map) {
1198	# safety
1199	$map->{instantiate_time} = $cf::RUNTIME
1200	if $map->{instantiate_time} > $cf::RUNTIME;
1201	} else {
1202	if (my $rmp = $path->random_map_params) {
1203	$map = generate_random_map $key, $rmp;
1204	} else {
1205	$map = try_load_header $path->load_path;
1206	}
1207
1208	$map or return;	1363	or return;
1209		1364
1210	$map->{load_original} = 1;
1211	$map->{instantiate_time} = $cf::RUNTIME;
1212	$map->instantiate;
1213
1214	# per-player maps become, after loading, normal maps
1215	$map->per_player (0) if $path->{user_rel};
1216	}
1217
1218	$map->path ($key);
1219	$map->{path} = $path;
1220	$map->{last_save} = $cf::RUNTIME;	1365	$map->{last_save} = $cf::RUNTIME;
1221	$map->last_access ($cf::RUNTIME);
1222		1366
1223	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;
1224	$map->reset;	1373	$map->reset;
1225	undef $guard;	1374	undef $guard;
1226	$map = find_map $path	1375	return find $path;
1227	or return;
1228	}	1376	}
1229		1377
1230	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1231	}	1379	}
1232	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1233		1384
1234	sub load {	1385	sub load {
1235	my ($self) = @_;	1386	my ($self) = @_;
1236		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1237	my $path = $self->{path};	1390	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1239		1392
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1394
1242	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1243		1396
1244	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1245	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1402	or return;
1247		1403
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1405	if delete $self->{load_original};
1250		1406
1251	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1408	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1410	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1256	}	1412	}
1257	}	1413	}
		1414
		1415	Coro::cede;
1258		1416
1259	# now do the right thing for maps	1417	# now do the right thing for maps
1260	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1261		1419
1262	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1263	$self->{deny_save} = 1;	1421	$self->decay_objects;
1264	$self->{deny_reset} = 1;
1265	} else {
1266	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1267	$self->decay_objects;
1268	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1269	$self->set_darkness_map;	1425	$self->set_darkness_map;
1270	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1271	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1272	$self->activate;	1429	$self->activate;
1273	}	1430	}
1274		1431
		1432	$self->post_load;
		1433
1275	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
1276	}	1435	}
1277		1436
1278	sub load_map_sync {	1437	sub customise_for {
		1438	my ($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	$neigh->load;
		1467	}
		1468	}
		1469
		1470	sub find_sync {
1279	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1280		1472
1281	#warn "load_map_sync<$path, $origin>\n";#d#	1473	cf::sync_job { find $path, $origin }
		1474	}
1282		1475
1283	cf::sync_job {	1476	sub do_load_sync {
1284	my $map = cf::map::find_map $path, $origin	1477	my ($map) = @_;
1285	or return;	1478
		1479	cf::sync_job { $map->load };
		1480	}
		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;
1286	$map->load;	1500	$map->load;
1287	$map	1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
1288	}	1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
1289	}	1510	}
1290		1511
1291	sub save {	1512	sub save {
1292	my ($self) = @_;	1513	my ($self) = @_;
1293		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1294	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1295		1518
1296	return unless $self->dirty;	1519	return unless $self->dirty;
1297		1520
1298	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1299	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1300		1523
1301	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1302		1525
1303	return if $self->{deny_save};	1526	return if $self->{deny_save};
1304		1527
		1528	local $self->{last_access} = $self->last_access;#d#
		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1305	if ($uniq) {	1534	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1537	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1539	}
1311	}	1540	}
1312		1541
1313	sub swap_out {	1542	sub swap_out {
1314	my ($self) = @_;	1543	my ($self) = @_;
		1544
		1545	# save first because save cedes
		1546	$self->save;
		1547
		1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
1315		1549
1316	return if $self->players;	1550	return if $self->players;
1317	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1318	return if $self->{deny_save};	1552	return if $self->{deny_save};
1319		1553
1320	$self->save;
1321	$self->clear;	1554	$self->clear;
1322	$self->in_memory (cf::MAP_SWAPPED);	1555	$self->in_memory (cf::MAP_SWAPPED);
1323	}	1556	}
1324		1557
1325	sub reset_at {	1558	sub reset_at {
1326	my ($self) = @_;	1559	my ($self) = @_;
1327		1560
1328	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1329	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1330	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1331		1564
1332	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1333	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1334		1567
…		…
1339	my ($self) = @_;	1572	my ($self) = @_;
1340		1573
1341	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1342	}	1575	}
1343		1576
1344	sub unlink_save {
1345	my ($self) = @_;
1346
1347	utf8::encode (my $save = $self->{path}->save_path);
1348	aioreq_pri 3; IO::AIO::aio_unlink $save;
1349	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1350	}
1351
1352	sub rename {
1353	my ($self, $new_path) = @_;
1354
1355	$self->unlink_save;
1356
1357	delete $cf::MAP{$self->path};
1358	$self->{path} = new cf::path $new_path;
1359	$self->path ($self->{path}->as_string);
1360	$cf::MAP{$self->path} = $self;
1361
1362	$self->save;
1363	}
1364
1365	sub reset {	1577	sub reset {
1366	my ($self) = @_;	1578	my ($self) = @_;
1367		1579
		1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1581
1368	return if $self->players;	1582	return if $self->players;
1369	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1370		1584
1371	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1372		1586
1373	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1374		1591
1375	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1376		1593
1377	$self->unlink_save;	1594	$self->unlink_save;
1378	$self->destroy;	1595	$self->destroy;
…		…
1381	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1382		1599
1383	sub nuke {	1600	sub nuke {
1384	my ($self) = @_;	1601	my ($self) = @_;
1385		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1386	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1387	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1388	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1389	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1390	}	1616	}
1391		1617
1392	sub customise_for {	1618	=item cf::map::unique_maps
1393	my ($map, $ob) = @_;
1394		1619
1395	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1396	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1397	}
1398		1622
1399	$map	1623	=cut
1400	}
1401		1624
1402	sub emergency_save {	1625	sub unique_maps() {
1403	local $cf::FREEZE = 1;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1404		1628
1405	warn "enter emergency map save\n";	1629	my @paths;
1406		1630
1407	cf::sync_job {	1631	for (@$files) {
1408	warn "begin emergency map save\n";	1632	utf8::decode $_;
1409	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1410	};	1637	}
1411		1638
1412	warn "end emergency map save\n";	1639	\@paths
1413	}	1640	}
1414		1641
1415	package cf;	1642	package cf;
1416		1643
1417	=back	1644	=back
1418		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
1419		1672
1420	=head3 cf::object::player	1673	=head3 cf::object::player
1421		1674
1422	=over 4	1675	=over 4
1423		1676
…		…
1463		1716
1464	=item $player_object->enter_link	1717	=item $player_object->enter_link
1465		1718
1466	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}>).
1467		1720
1468	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
1469	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1470		1723
		1724	Will never block.
		1725
1471	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1472		1727
1473	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1474	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1475	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1476	to the emergency map position.	1731	fails, to the emergency map position.
1477		1732
1478	Might block.	1733	Might block.
1479		1734
1480	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($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	$LINK_MAP
		1745	}
1481		1746
1482	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1483	my ($self) = @_;	1748	my ($self) = @_;
1484		1749
1485	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1486		1751
1487	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1488		1753
1489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1490	if $self->map;	1755	if $self->map;
1491		1756
1492	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1493	}	1758	}
1494		1759
1495	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1496	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1497		1762
1498	my $link_pos = delete $self->{_link_pos};	1763	my $link_pos = delete $self->{_link_pos};
1499		1764
1500	unless ($map) {	1765	unless ($map) {
1501	# restore original map position	1766	# restore original map position
1502	($map, $x, $y) = @{ $link_pos || [] };	1767	($map, $x, $y) = @{ $link_pos || [] };
1503	$map = cf::map::find_map $map;	1768	$map = cf::map::find $map;
1504		1769
1505	unless ($map) {	1770	unless ($map) {
1506	($map, $x, $y) = @$EMERGENCY_POSITION;	1771	($map, $x, $y) = @$EMERGENCY_POSITION;
1507	$map = cf::map::find_map $map	1772	$map = cf::map::find $map
1508	or die "FATAL: cannot load emergency map\n";	1773	or die "FATAL: cannot load emergency map\n";
1509	}	1774	}
1510	}	1775	}
1511		1776
1512	($x, $y) = (-1, -1)	1777	($x, $y) = (-1, -1)
…		…
1515	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1516	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1517	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1518		1783
1519	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1520		1786
		1787	return unless $self->contr->active;
1521	$self->activate_recursive;	1788	$self->activate_recursive;
1522	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1523	}	1790	}
1524		1791
1525	cf::player->attach (	1792	cf::player->attach (
…		…
1538		1805
1539	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1540	# should happen only on crashes	1807	# should happen only on crashes
1541	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1542	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1543	Coro::async {	1810	(async {
1544	# 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
1545	# 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);
1546	Coro::Timer::sleep 1;	1817	Coro::Timer::sleep 1;
1547	$pl->ob->leave_link;	1818	$pl->ob->leave_link;
1548	};	1819	})->prio (2);
1549	}	1820	}
1550	},	1821	},
1551	);	1822	);
1552		1823
1553	=item $player_object->goto_map ($path, $x, $y)	1824	=item $player_object->goto ($path, $x, $y)
1554		1825
1555	=cut	1826	=cut
1556		1827
1557	sub cf::object::player::goto_map {	1828	sub cf::object::player::goto {
1558	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1559		1830
1560	$self->enter_link;	1831	$self->enter_link;
1561		1832
1562	(Coro::async {	1833	(async {
1563	$path = new cf::path $path;	1834	my $map = eval {
1564
1565	my $map = cf::map::find_map $path->as_string;	1835	my $map = cf::map::find $path;
1566	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1567		1837	$map
1568	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1569	# if $map;
1570
1571	$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);
1572		1840
1573	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1574	})->prio (1);	1842	})->prio (1);
1575	}	1843	}
1576		1844
…		…
1580		1848
1581	sub parse_random_map_params {	1849	sub parse_random_map_params {
1582	my ($spec) = @_;	1850	my ($spec) = @_;
1583		1851
1584	my $rmp = { # defaults	1852	my $rmp = { # defaults
1585	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1586	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1587	};	1857	};
1588		1858
1589	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1590	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1591		1861
…		…
1595	$rmp	1865	$rmp
1596	}	1866	}
1597		1867
1598	sub prepare_random_map {	1868	sub prepare_random_map {
1599	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1600		1872
1601	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1602	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1603	# that depends on the exit object	1875	# that depends on the exit object
1604		1876
1605	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1606		1878
1607	if ($exit->map) {	1879	if ($exit->map) {
1608	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1609	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1610	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1611	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1612	}	1884	}
1613		1885
1614	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1615		1887
1616	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1617	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1618		1891
1619	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) {
1620	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;
1621		1896
1622	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1623	$exit->msg (undef);	1898	$exit->msg (undef);
1624	}	1899	}
1625	}	1900	}
…		…
1627	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1628	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1629		1904
1630	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
1631		1906
		1907	if ($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
1632	$self->enter_link;	1916	$self->enter_link;
1633		1917
1634	(Coro::async {	1918	(async {
		1919	$self->deactivate_recursive; # just to be sure
1635	unless (eval {	1920	unless (eval {
1636		1921	$self->goto ($slaying, $hp, $sp);
1637	prepare_random_map $exit
1638	if $exit->slaying eq "/!";
1639
1640	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1641	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1642		1922
1643	1;	1923	1;
1644	}) {	1924	}) {
1645	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1646	. "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. "
1647	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1648	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1649		1929
1650	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1651	$self->leave_link;	1931	$self->leave_link;
1652	}	1932	}
…		…
1703	on_reply => sub {	1983	on_reply => sub {
1704	my ($ns, $msg) = @_;	1984	my ($ns, $msg) = @_;
1705		1985
1706	# this weird shuffling is so that direct followup queries	1986	# this weird shuffling is so that direct followup queries
1707	# get handled first	1987	# get handled first
1708	my $queue = delete $ns->{query_queue};	1988	my $queue = delete $ns->{query_queue}
		1989	or return; # be conservative, not sure how that can happen, but we saw a crash here
1709		1990
1710	(shift @$queue)->[1]->($msg);	1991	(shift @$queue)->[1]->($msg);
1711		1992
1712	push @{ $ns->{query_queue} }, @$queue;	1993	push @{ $ns->{query_queue} }, @$queue;
1713		1994
…		…
1719	}	2000	}
1720	}	2001	}
1721	},	2002	},
1722	);	2003	);
1723		2004
1724	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1725		2006
1726	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1727	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1728	or loss of connection).	2009	or loss of connection).
1729		2010
1730	=cut	2011	=cut
1731		2012
1732	sub cf::client::coro {	2013	sub cf::client::async {
1733	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1734		2015
1735	my $coro; $coro = async {	2016	my $coro = &Coro::async ($cb);
1736	eval {
1737	$cb->();
1738	};
1739	warn $@ if $@;
1740	};
1741		2017
1742	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1743	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1744	});	2020	});
1745		2021
…		…
1939	sub db_sync() {	2215	sub db_sync() {
1940	db_save if $dirty;	2216	db_save if $dirty;
1941	undef $dirty;	2217	undef $dirty;
1942	}	2218	}
1943		2219
1944	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1945	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1946	});	2227	);
1947		2228
1948	sub db_dirty() {	2229	sub db_dirty() {
1949	$dirty = 1;	2230	$dirty = 1;
1950	$idle->start;	2231	$idle->start;
1951	}	2232	}
…		…
1980	open my $fh, "<:utf8", cf::confdir . "/config"	2261	open my $fh, "<:utf8", cf::confdir . "/config"
1981	or return;	2262	or return;
1982		2263
1983	local $/;	2264	local $/;
1984	*CFG = YAML::Syck::Load <$fh>;	2265	*CFG = YAML::Syck::Load <$fh>;
		2266
		2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2272	if (exists $CFG{mlockall}) {
		2273	eval {
		2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2275	and die "WARNING: m(un)lockall failed: $!\n";
		2276	};
		2277	warn $@ if $@;
		2278	}
1985	}	2279	}
1986		2280
1987	sub main {	2281	sub main {
1988	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
1989	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
1990	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#
1991	(Coro::unblock_sub {	2285	(async {
1992	Event::one_event;	2286	Event::one_event;
1993	})->();	2287	})->prio (Coro::PRIO_MAX);
1994	};	2288	};
1995		2289
1996	cfg_load;	2290	cfg_load;
1997	db_load;	2291	db_load;
1998	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
1999	Event::loop;	2295	Event::loop;
2000	}	2296	}
2001		2297
2002	#############################################################################	2298	#############################################################################
2003	# 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	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2004		2344
2005	sub reload() {	2345	sub reload() {
2006	# can/must only be called in main	2346	# can/must only be called in main
2007	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2008	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2009	return;	2349	return;
2010	}	2350	}
2011		2351
2012	warn "reloading...";	2352	warn "reloading...";
2013		2353
2014	local $FREEZE = 1;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2015	cf::emergency_save;	2357	cf::emergency_save;
2016		2358
2017	eval {	2359	eval {
2018	# 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
2019		2361
2020	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2021	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2022	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2023	}	2368	}
2024		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
2025	# cancel all extension coros	2378	warn "cancelling all extension coros";
2026	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2027	%EXT_CORO = ();	2380	%EXT_CORO = ();
2028		2381
2029	# unload all extensions	2382	warn "removing commands";
2030	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2031	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2032	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: $@";
2033	}	2397	}
2034		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2035	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2036	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2037	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2038		2406
2039	warn "removing <$k>";	2407	warn "... unloading $k";
2040	delete $INC{$k};	2408	delete $INC{$k};
2041		2409
2042	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2043	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2044		2412
…		…
2047	}	2415	}
2048		2416
2049	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2050	}	2418	}
2051		2419
2052	# sync database to disk
2053	cf::db_sync;
2054	IO::AIO::flush;
2055
2056	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2057	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2058	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);
2059		2423
2060	# remove register_script_function callbacks
2061	# TODO
2062
2063	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2064	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2065		2426
2066	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2067	# and global variables created in xs	2428	# and global variables created in xs
2068	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2069		2430
2070	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2071	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2072	require cf;	2434	require cf;
2073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2074		2436
2075	# load config and database again	2437	warn "loading config and database again";
2076	cf::cfg_load;	2438	cf::cfg_load;
2077	cf::db_load;	2439	cf::db_load;
2078		2440
2079	# load extensions
2080	warn "load extensions";	2441	warn "loading extensions";
2081	cf::load_extensions;	2442	cf::load_extensions;
2082		2443
2083	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2084	warn "reattach";
2085	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2086	};	2452	};
2087		2453
2088	if ($@) {	2454	if ($@) {
2089	warn $@;	2455	warn $@;
2090	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2091	exit 1;	2457	exit 1;
2092	}	2458	}
2093		2459
2094	warn "reloaded successfully";	2460	warn "reloaded";
2095	};	2461	};
2096		2462
2097	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2098
2099	unless ($LINK_MAP) {
2100	$LINK_MAP = cf::map::new;
2101
2102	$LINK_MAP->width (41);
2103	$LINK_MAP->height (41);
2104	$LINK_MAP->alloc;
2105	$LINK_MAP->path ("{link}");
2106	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2107	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2108
2109	# dirty hack because... archetypes are not yet loaded
2110	Event->timer (
2111	after => 2,
2112	cb => sub {
2113	$_[0]->w->cancel;
2114
2115	# provide some exits "home"
2116	my $exit = cf::object::new "exit";
2117
2118	$exit->slaying ($EMERGENCY_POSITION->[0]);
2119	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2120	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2121
2122	$LINK_MAP->insert ($exit->clone, 19, 19);
2123	$LINK_MAP->insert ($exit->clone, 19, 20);
2124	$LINK_MAP->insert ($exit->clone, 19, 21);
2125	$LINK_MAP->insert ($exit->clone, 20, 19);
2126	$LINK_MAP->insert ($exit->clone, 20, 21);
2127	$LINK_MAP->insert ($exit->clone, 21, 19);
2128	$LINK_MAP->insert ($exit->clone, 21, 20);
2129	$LINK_MAP->insert ($exit->clone, 21, 21);
2130
2131	$exit->destroy;
2132	});
2133
2134	$LINK_MAP->{deny_save} = 1;
2135	$LINK_MAP->{deny_reset} = 1;
2136
2137	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2138	}
2139
2140	register "<global>", __PACKAGE__;
2141		2464
2142	register_command "reload" => sub {	2465	register_command "reload" => sub {
2143	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2144		2467
2145	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2146	$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 {
2147	reload;	2479	reload;
2148	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2149	}	2483	}
2150	};	2484	};
2151		2485
2152	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2153		2489
2154	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2155	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2156	prio => 0,	2493	prio => 0,
2157	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2158	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2159	cb => sub {	2496	cb => sub {
2160	unless ($FREEZE) {	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
2161	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2162	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2163	}
2164
2165	$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#
2166		2517
2167	# 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
2168	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2169		2520
2170	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2171	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2172	},	2523	},
2173	);	2524	);
2174		2525
2175	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2176		2527
2177	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2178	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2179	poll => 'r',	2532	poll => 'r',
2180	prio => 5,	2533	prio => 6,
2181	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2182	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2183	);	2536	);
2184		2537
2185	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2186	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2187	after => 0,	2541	after => 1,
2188	interval => 10,	2542	interval => 10,
2189	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2190	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2191	write_runtime	2545	write_runtime
2192	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2193	})->();
2194	},	2547	},
2195	);	2548	);
2196		2549
2197	END { cf::emergency_save }	2550	END { cf::emergency_save }
2198		2551

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