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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.196 by root, Sat Jan 27 23:59:29 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
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
185		218
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	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	259	}
249		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
334		350
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	352	or return;
337		353
		354	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	359	and return;
341		360
342	aio_fsync $fh	361	aio_fsync $fh
343	and return;	362	and return;
…		…
352	}	371	}
353		372
354	=back	373	=back
355		374
356	=cut	375	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		376
478	#############################################################################	377	#############################################################################
479		378
480	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
481		380
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	507	our @CB_MAP = ();
609		508
610	my %attachment;	509	my %attachment;
611		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
612	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
614		519
615	use sort 'stable';	520	use sort 'stable';
616		521
…		…
787	# object support	692	# object support
788		693
789	sub reattach {	694	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		699
793	my $registry = $obj->registry;	700	my $registry = $obj->registry;
794		701
795	@$registry = ();	702	@$registry = ();
796		703
…		…
928	=cut	835	=cut
929		836
930	sub register_extcmd {	837	sub register_extcmd {
931	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
932		839
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
937	}	841	}
938		842
939	cf::player->attach (	843	cf::player->attach (
940	on_command => sub {	844	on_command => sub {
941	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
954		858
955	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
956		860
957	if (ref $msg) {	861	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	865	}
962	}	866	}
963	} else {	867	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		870
967	cf::override;	871	cf::override;
968	},	872	},
969	);	873	);
970		874
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	875	sub load_extension {
978	my ($path) = @_;	876	my ($path) = @_;
979		877
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	879	my $base = $1;
982	my $pkg = $1;	880	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
985		883
986	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
987		885
988	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
989	or die "$path: $!";	887	or die "$path: $!";
990		888
991	my $source =	889	my $source =
992	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
995	. "\n};\n1";	893	. "\n};\n1";
996		894
997	eval $source	895	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	897	: "extension disabled.\n";
1000		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	899	warn $@;
1002	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1003		901	exit 1;
1004	# no strict 'refs';	902	}
1005	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	904	}
1020		905
1021	# remove commands	906	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	907	}
1046		908
1047	sub load_extensions {	909	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	911	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1054	}	916	}
1055	}	917	}
1056		918
1057	#############################################################################	919	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		920
1095	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1096		922
1097	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1098		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1099	=head3 cf::player	931	=head3 cf::player
1100		932
1101	=over 4	933	=over 4
1102		934
1103	=item cf::player::exists $login	935	=item cf::player::find $login
1104		936
1105	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1106		938
1107	=cut	939	=cut
1108		940
1109	sub cf::player::exists($) {	941	sub playerdir($) {
1110	cf::player::find $_[0]	942	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1112	}	1088	}
1113		1089
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1091
1116	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1117		1093
1118	=cut	1094	=cut
1119		1095
1120	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1122		1098
1123	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1124		1100
1125	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1126	}	1102	}
		1103
		1104	package cf;
1127		1105
1128	=back	1106	=back
1129		1107
1130		1108
1131	=head3 cf::map	1109	=head3 cf::map
…		…
1137	package cf::map;	1115	package cf::map;
1138		1116
1139	use Fcntl;	1117	use Fcntl;
1140	use Coro::AIO;	1118	use Coro::AIO;
1141		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1142	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1144		1126
1145	sub generate_random_map {	1127	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1130	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1270	}
1163		1271
1164	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1165	# all maps in C++...	1273	# all maps in C++...
1166	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1168		1276
1169	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1171	}	1279	}
1172		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1173	sub try_load_header($) {	1289	sub load_header_from($) {
1174	my ($path) = @_;	1290	my ($self, $path) = @_;
1175		1291
1176	utf8::encode $path;	1292	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1178	or return;	1294	or return;
1179		1295
1180	my $map = cf::map::new	1296	$self->_load_header ($path)
1181	or return;	1297	or return;
1182		1298
1183	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1184	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1185		1345
1186	$map->{load_path} = $path;	1346	1
1187
1188	$map
1189	}	1347	}
1190		1348
1191	sub find_map;	1349	sub find;
1192	sub find_map {	1350	sub find {
1193	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1194		1352
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1354
1200	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1201		1356
1202	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1204		1359	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1360	or return;
1220		1361
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1363
1234	if ($map->should_reset) {	1364	$map->load_header
		1365	or return;
		1366
		1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1370	$map->reset;
1236	undef $guard;	1371	undef $guard;
1237	$map = find_map $path	1372	return find $path;
1238	or return;
1239	}	1373	}
1240		1374
1241	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1242	}	1376	}
1243	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1244		1381
1245	sub load {	1382	sub load {
1246	my ($self) = @_;	1383	my ($self) = @_;
1247		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
1248	my $path = $self->{path};	1387	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1388	my $guard = cf::lock_acquire "map_load:$path";
1250		1389
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1391
1253	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1254		1393
1255	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1256	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1399	or return;
1258		1400
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1402	if delete $self->{load_original};
1261		1403
1262	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1405	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1407	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1267	}	1409	}
1268	}	1410	}
		1411
		1412	Coro::cede;
1269		1413
1270	# now do the right thing for maps	1414	# now do the right thing for maps
1271	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1272		1416
1273	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1418	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1280	$self->set_darkness_map;	1422	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1283	$self->activate;	1426	$self->activate;
1284	}	1427	}
1285		1428
		1429	$self->post_load;
		1430
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1432	}
1288		1433
1289	sub load_map_sync {	1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
		1465	}
		1466
		1467	sub find_sync {
1290	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1291		1469
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1470	cf::sync_job { find $path, $origin }
		1471	}
1293		1472
1294	cf::sync_job {	1473	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1474	my ($map) = @_;
1296	or return;	1475
		1476	cf::sync_job { $map->load };
		1477	}
		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER ||= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
1297	$map->load;	1497	$map->load;
1298	$map	1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
1299	}	1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
1300	}	1507	}
1301		1508
1302	sub save {	1509	sub save {
1303	my ($self) = @_;	1510	my ($self) = @_;
1304		1511
		1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1513
1305	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1306		1515
1307	return unless $self->dirty;	1516	return unless $self->dirty;
1308		1517
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1520
1312	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1313		1522
1314	return if $self->{deny_save};	1523	return if $self->{deny_save};
1315		1524
		1525	local $self->{last_access} = $self->last_access;#d#
		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1316	if ($uniq) {	1531	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1534	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1536	}
1322	}	1537	}
1323		1538
1324	sub swap_out {	1539	sub swap_out {
1325	my ($self) = @_;	1540	my ($self) = @_;
1326		1541
1327	# save first because save cedes	1542	# save first because save cedes
1328	$self->save;	1543	$self->save;
		1544
		1545	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1546
1330	return if $self->players;	1547	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1549	return if $self->{deny_save};
1333		1550
…		…
1337		1554
1338	sub reset_at {	1555	sub reset_at {
1339	my ($self) = @_;	1556	my ($self) = @_;
1340		1557
1341	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1344		1561
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1564
…		…
1352	my ($self) = @_;	1569	my ($self) = @_;
1353		1570
1354	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1355	}	1572	}
1356		1573
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1574	sub reset {
1379	my ($self) = @_;	1575	my ($self) = @_;
1380		1576
		1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1578
1381	return if $self->players;	1579	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1383		1581
1384	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1385		1583
1386	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1387		1588
1388	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1389		1590
1390	$self->unlink_save;	1591	$self->unlink_save;
1391	$self->destroy;	1592	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1395		1596
1396	sub nuke {	1597	sub nuke {
1397	my ($self) = @_;	1598	my ($self) = @_;
1398		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1402	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1403	}	1613	}
1404		1614
1405	sub customise_for {	1615	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1616
1408	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1410	}
1411		1619
1412	$map	1620	=cut
1413	}
1414		1621
1415	sub emergency_save {	1622	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1417		1625
1418	warn "enter emergency map save\n";	1626	my @paths;
1419		1627
1420	cf::sync_job {	1628	for (@$files) {
1421	warn "begin emergency map save\n";	1629	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1423	};	1635	}
1424		1636
1425	warn "end emergency map save\n";	1637	\@paths
1426	}	1638	}
1427		1639
1428	package cf;	1640	package cf;
1429		1641
1430	=back	1642	=back
1431		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1432		1670
1433	=head3 cf::object::player	1671	=head3 cf::object::player
1434		1672
1435	=over 4	1673	=over 4
1436		1674
…		…
1476		1714
1477	=item $player_object->enter_link	1715	=item $player_object->enter_link
1478		1716
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1718
1481	The player should be reaosnably safe there for short amounts of time. You	1719	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1483		1721
		1722	Will never block.
		1723
1484	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1485		1725
1486	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1729	fails, to the emergency map position.
1490		1730
1491	Might block.	1731	Might block.
1492		1732
1493	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1494		1744
1495	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1746	my ($self) = @_;
1497		1747
1498	$self->deactivate_recursive;	1748	$self->deactivate_recursive;
1499		1749
1500	return if $self->map == $LINK_MAP;	1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1751
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1753	if $self->map;
1504		1754
1505	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1756	}
1507		1757
1508	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1510		1760
1511	my $link_pos = delete $self->{_link_pos};	1761	my $link_pos = delete $self->{_link_pos};
1512		1762
1513	unless ($map) {	1763	unless ($map) {
1514	# restore original map position	1764	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1765	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1766	$map = cf::map::find $map;
1517		1767
1518	unless ($map) {	1768	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1769	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1770	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1771	or die "FATAL: cannot load emergency map\n";
1522	}	1772	}
1523	}	1773	}
1524		1774
1525	($x, $y) = (-1, -1)	1775	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1531		1781
1532	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1533		1784
		1785	return unless $self->contr->active;
1534	$self->activate_recursive;	1786	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1536	}	1788	}
1537		1789
1538	cf::player->attach (	1790	cf::player->attach (
…		…
1551		1803
1552	# try to abort aborted map switching on player login :)	1804	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1805	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1806	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1807	$pl->ob->enter_link;
1556	cf::async {	1808	(async {
1557	# we need this sleep as the login has a concurrent enter_exit running	1809	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1810	# and this sleep increases chances of the player not ending up in scorn
		1811	$pl->ob->reply (undef,
		1812	"There was an internal problem at your last logout, "
		1813	. "the server will try to bring you to your intended destination in a second.",
		1814	cf::NDI_RED);
1559	Coro::Timer::sleep 1;	1815	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1816	$pl->ob->leave_link;
1561	};	1817	})->prio (2);
1562	}	1818	}
1563	},	1819	},
1564	);	1820	);
1565		1821
1566	=item $player_object->goto_map ($path, $x, $y)	1822	=item $player_object->goto ($path, $x, $y)
1567		1823
1568	=cut	1824	=cut
1569		1825
1570	sub cf::object::player::goto_map {	1826	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1572		1828
1573	$self->enter_link;	1829	$self->enter_link;
1574		1830
1575	(cf::async {	1831	(async {
1576	$path = new cf::path $path;
1577
1578	my $map = cf::map::find_map $path->as_string;	1832	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1833	$map = $map->customise_for ($self) if $map;
1580		1834
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1835	# warn "entering ", $map->path, " at ($x, $y)\n"
1582	# if $map;	1836	# if $map;
1583		1837
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1838	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1839
1586	$self->leave_link ($map, $x, $y);	1840	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1841	})->prio (1);
1588	}	1842	}
1589		1843
…		…
1593		1847
1594	sub parse_random_map_params {	1848	sub parse_random_map_params {
1595	my ($spec) = @_;	1849	my ($spec) = @_;
1596		1850
1597	my $rmp = { # defaults	1851	my $rmp = { # defaults
1598	xsize => 10,	1852	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1853	ysize => (cf::rndm 15, 40),
		1854	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1855	#layout => string,
1600	};	1856	};
1601		1857
1602	for (split /\n/, $spec) {	1858	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1859	my ($k, $v) = split /\s+/, $_, 2;
1604		1860
…		…
1608	$rmp	1864	$rmp
1609	}	1865	}
1610		1866
1611	sub prepare_random_map {	1867	sub prepare_random_map {
1612	my ($exit) = @_;	1868	my ($exit) = @_;
		1869
		1870	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1871
1614	# all this does is basically replace the /! path by	1872	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1873	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1874	# that depends on the exit object
1617		1875
…		…
1626		1884
1627	$rmp->{random_seed} ||= $exit->random_seed;	1885	$rmp->{random_seed} ||= $exit->random_seed;
1628		1886
1629	my $data = cf::to_json $rmp;	1887	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1888	my $md5 = Digest::MD5::md5_hex $data;
		1889	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1890
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1892	aio_write $fh, 0, (length $data), $data, 0;
		1893	undef $fh;
		1894	aio_rename "$meta~", $meta;
1634		1895
1635	$exit->slaying ("?random/$md5");	1896	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1897	$exit->msg (undef);
1637	}	1898	}
1638	}	1899	}
…		…
1640	sub cf::object::player::enter_exit {	1901	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1902	my ($self, $exit) = @_;
1642		1903
1643	return unless $self->type == cf::PLAYER;	1904	return unless $self->type == cf::PLAYER;
1644		1905
		1906	if ($exit->slaying eq "/!") {
		1907	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1908	cf::sync_job { prepare_random_map $exit };
		1909	}
		1910
		1911	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1912	my $hp = $exit->stats->hp;
		1913	my $sp = $exit->stats->sp;
		1914
1645	$self->enter_link;	1915	$self->enter_link;
1646		1916
1647	(cf::async {	1917	(async {
		1918	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1919	unless (eval {
1649	prepare_random_map $exit	1920	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1921
1655	1;	1922	1;
1656	}) {	1923	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1924	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1925	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1926	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1927	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1928
1662	warn "ERROR in enter_exit: $@";	1929	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1930	$self->leave_link;
1664	}	1931	}
…		…
1732	}	1999	}
1733	}	2000	}
1734	},	2001	},
1735	);	2002	);
1736		2003
1737	=item $client->coro (\&cb)	2004	=item $client->async (\&cb)
1738		2005
1739	Create a new coroutine, running the specified callback. The coroutine will	2006	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2007	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2008	or loss of connection).
1742		2009
1743	=cut	2010	=cut
1744		2011
1745	sub cf::client::coro {	2012	sub cf::client::async {
1746	my ($self, $cb) = @_;	2013	my ($self, $cb) = @_;
1747		2014
1748	my $coro = &cf::async ($cb);	2015	my $coro = &Coro::async ($cb);
1749		2016
1750	$coro->on_destroy (sub {	2017	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2018	delete $self->{_coro}{$coro+0};
1752	});	2019	});
1753		2020
…		…
1947	sub db_sync() {	2214	sub db_sync() {
1948	db_save if $dirty;	2215	db_save if $dirty;
1949	undef $dirty;	2216	undef $dirty;
1950	}	2217	}
1951		2218
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2219	my $idle = Event->idle (
1953	db_sync;	2220	reentrant => 0,
		2221	min => 10,
		2222	max => 20,
		2223	repeat => 0,
		2224	data => WF_AUTOCANCEL,
		2225	cb => \&db_sync,
1954	});	2226	);
1955		2227
1956	sub db_dirty() {	2228	sub db_dirty() {
1957	$dirty = 1;	2229	$dirty = 1;
1958	$idle->start;	2230	$idle->start;
1959	}	2231	}
…		…
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2260	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2261	or return;
1990		2262
1991	local $/;	2263	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2264	*CFG = YAML::Syck::Load <$fh>;
		2265
		2266	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2267
		2268	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2269	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2270
		2271	if (exists $CFG{mlockall}) {
		2272	eval {
		2273	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2274	and die "WARNING: m(un)lockall failed: $!\n";
		2275	};
		2276	warn $@ if $@;
		2277	}
1993	}	2278	}
1994		2279
1995	sub main {	2280	sub main {
1996	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2284	(async {
2000	Event::one_event;	2285	Event::one_event;
2001	})->();	2286	})->prio (Coro::PRIO_MAX);
2002	};	2287	};
2003		2288
2004	cfg_load;	2289	cfg_load;
2005	db_load;	2290	db_load;
2006	load_extensions;	2291	load_extensions;
		2292
		2293	$TICK_WATCHER->start;
2007	Event::loop;	2294	Event::loop;
2008	}	2295	}
2009		2296
2010	#############################################################################	2297	#############################################################################
2011	# initialisation	2298	# initialisation and cleanup
		2299
		2300	# install some emergency cleanup handlers
		2301	BEGIN {
		2302	for my $signal (qw(INT HUP TERM)) {
		2303	Event->signal (
		2304	reentrant => 0,
		2305	data => WF_AUTOCANCEL,
		2306	signal => $signal,
		2307	prio => 0,
		2308	cb => sub {
		2309	cf::cleanup "SIG$signal";
		2310	},
		2311	);
		2312	}
		2313	}
		2314
		2315	sub emergency_save() {
		2316	my $freeze_guard = cf::freeze_mainloop;
		2317
		2318	warn "enter emergency perl save\n";
		2319
		2320	cf::sync_job {
		2321	# use a peculiar iteration method to avoid tripping on perl
		2322	# refcount bugs in for. also avoids problems with players
		2323	# and maps saved/destroyed asynchronously.
		2324	warn "begin emergency player save\n";
		2325	for my $login (keys %cf::PLAYER) {
		2326	my $pl = $cf::PLAYER{$login} or next;
		2327	$pl->valid or next;
		2328	$pl->save;
		2329	}
		2330	warn "end emergency player save\n";
		2331
		2332	warn "begin emergency map save\n";
		2333	for my $path (keys %cf::MAP) {
		2334	my $map = $cf::MAP{$path} or next;
		2335	$map->valid or next;
		2336	$map->save;
		2337	}
		2338	warn "end emergency map save\n";
		2339	};
		2340
		2341	warn "leave emergency perl save\n";
		2342	}
2012		2343
2013	sub reload() {	2344	sub reload() {
2014	# can/must only be called in main	2345	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2346	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2347	warn "can only reload from main coroutine";
2017	return;	2348	return;
2018	}	2349	}
2019		2350
2020	warn "reloading...";	2351	warn "reloading...";
2021		2352
2022	local $FREEZE = 1;	2353	warn "cancelling server ticker";
		2354	$TICK_WATCHER->cancel;
		2355
2023	cf::emergency_save;	2356	cf::emergency_save;
2024		2357
2025	eval {	2358	eval {
2026	# if anything goes wrong in here, we should simply crash as we already saved	2359	# if anything goes wrong in here, we should simply crash as we already saved
2027		2360
2028	# cancel all watchers	2361	warn "syncing database to disk";
		2362	cf::db_sync;
		2363
		2364	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2367	}
2032		2368
		2369	warn "flushing outstanding aio requests";
		2370	for (;;) {
		2371	IO::AIO::flush;
		2372	Coro::cede;
		2373	last unless IO::AIO::nreqs;
		2374	warn "iterate...";
		2375	}
		2376
2033	# cancel all extension coros	2377	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2378	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2379	%EXT_CORO = ();
2036		2380
2037	# unload all extensions	2381	warn "removing commands";
2038	for (@exts) {	2382	%COMMAND = ();
		2383
		2384	warn "removing ext commands";
		2385	%EXTCMD = ();
		2386
		2387	warn "unloading/nuking all extensions";
		2388	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2389	warn "... unloading $pkg";
2040	unload_extension $_;	2390
		2391	if (my $cb = $pkg->can ("unload")) {
		2392	eval {
		2393	$cb->($pkg);
		2394	1
		2395	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2396	}
2042		2397
		2398	warn "... nuking $pkg";
		2399	Symbol::delete_package $pkg;
		2400	}
		2401
2043	# unload all modules loaded from $LIBDIR	2402	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2403	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2404	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2405
2047	warn "removing <$k>";	2406	warn "... unloading $k";
2048	delete $INC{$k};	2407	delete $INC{$k};
2049		2408
2050	$k =~ s/\.pm$//;	2409	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2410	$k =~ s/\//::/g;
2052		2411
…		…
2055	}	2414	}
2056		2415
2057	Symbol::delete_package $k;	2416	Symbol::delete_package $k;
2058	}	2417	}
2059		2418
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2419	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2420	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2421	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2422
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2423	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2424	delete $INC{"cf.pm"};
2073		2425
2074	# don't, removes xs symbols, too,	2426	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2427	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2428	#Symbol::delete_package __PACKAGE__;
2077		2429
2078	# reload cf.pm	2430	warn "unload completed, starting to reload now";
		2431
2079	warn "reloading cf.pm";	2432	warn "reloading cf.pm";
2080	require cf;	2433	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2434	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2435
2083	# load config and database again	2436	warn "loading config and database again";
2084	cf::cfg_load;	2437	cf::cfg_load;
2085	cf::db_load;	2438	cf::db_load;
2086		2439
2087	# load extensions
2088	warn "load extensions";	2440	warn "loading extensions";
2089	cf::load_extensions;	2441	cf::load_extensions;
2090		2442
2091	# reattach attachments to objects	2443	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2444	_global_reattach;
		2445	warn "reattaching attachments to maps";
		2446	reattach $_ for values %MAP;
		2447
		2448	warn "restarting server ticker";
		2449
		2450	$TICK_WATCHER->start;
2094	};	2451	};
2095		2452
2096	if ($@) {	2453	if ($@) {
2097	warn $@;	2454	warn $@;
2098	warn "error while reloading, exiting.";	2455	warn "error while reloading, exiting.";
2099	exit 1;	2456	exit 1;
2100	}	2457	}
2101		2458
2102	warn "reloaded successfully";	2459	warn "reloaded";
2103	};	2460	};
2104		2461
2105	#############################################################################	2462	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2463
2150	register_command "reload" => sub {	2464	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2465	my ($who, $arg) = @_;
2152		2466
2153	if ($who->flag (FLAG_WIZ)) {	2467	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2468	$who->message ("reloading server.");
		2469
		2470	# doing reload synchronously and two reloads happen back-to-back,
		2471	# coro crashes during coro_state_free->destroy here.
		2472
		2473	$RELOAD_WATCHER ||= Event->timer (
		2474	reentrant => 0,
		2475	after => 0,
		2476	data => WF_AUTOCANCEL,
		2477	cb => sub {
2155	reload;	2478	reload;
2156	$who->message ("end of reload.");	2479	undef $RELOAD_WATCHER;
		2480	},
		2481	);
2157	}	2482	}
2158	};	2483	};
2159		2484
2160	unshift @INC, $LIBDIR;	2485	unshift @INC, $LIBDIR;
		2486
		2487	my $bug_warning = 0;
2161		2488
2162	$TICK_WATCHER = Event->timer (	2489	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2490	reentrant => 0,
		2491	parked => 1,
2164	prio => 0,	2492	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2493	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2494	data => WF_AUTOCANCEL,
2167	cb => sub {	2495	cb => sub {
2168	unless ($FREEZE) {	2496	if ($Coro::current != $Coro::main) {
		2497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2498	unless ++$bug_warning > 10;
		2499	return;
		2500	}
		2501
		2502	$NOW = Event::time;
		2503
2169	cf::server_tick; # one server iteration	2504	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2505	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2506	$NEXT_TICK += $TICK;
		2507
		2508	$WAIT_FOR_TICK->broadcast;
		2509	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2510
		2511	Event::sweep;
		2512	Coro::cede_notself;
		2513
		2514	# my $AFTER = Event::time;
		2515	# warn $AFTER - $NOW;#d#
2174		2516
2175	# if we are delayed by four ticks or more, skip them all	2517	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2518	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2519
2178	$TICK_WATCHER->at ($NEXT_TICK);	2520	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2521	$TICK_WATCHER->start;
2180	},	2522	},
2181	);	2523	);
2182		2524
2183	IO::AIO::max_poll_time $TICK * 0.2;	2525	IO::AIO::max_poll_time $TICK * 0.1;
2184		2526
2185	Event->io (	2527	undef $Coro::AIO::WATCHER;
		2528	$AIO_POLL_WATCHER = Event->io (
		2529	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2530	fd => IO::AIO::poll_fileno,
2187	poll => 'r',	2531	poll => 'r',
2188	prio => 5,	2532	prio => 6,
2189	data => WF_AUTOCANCEL,	2533	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,	2534	cb => \&IO::AIO::poll_cb,
2191	);	2535	);
2192		2536
2193	Event->timer (	2537	$WRITE_RUNTIME_WATCHER = Event->timer (
		2538	reentrant => 0,
2194	data => WF_AUTOCANCEL,	2539	data => WF_AUTOCANCEL,
2195	after => 0,	2540	after => 1,
2196	interval => 10,	2541	interval => 10,
2197	cb => sub {	2542	prio => 6, # keep it lowest so it acts like a watchdog
2198	(Coro::unblock_sub {	2543	cb => Coro::unblock_sub {
2199	write_runtime	2544	write_runtime
2200	or warn "ERROR: unable to write runtime file: $!";	2545	or warn "ERROR: unable to write runtime file: $!";
2201	})->();
2202	},	2546	},
2203	);	2547	);
2204		2548
2205	END { cf::emergency_save }	2549	END { cf::emergency_save }
2206		2550

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