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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 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	}
249		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	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
334		352
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	354	or return;
337		355
		356	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	361	and return;
341		362
342	aio_fsync $fh	363	aio_fsync $fh
343	and return;	364	and return;
…		…
352	}	373	}
353		374
354	=back	375	=back
355		376
356	=cut	377	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($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		378
478	#############################################################################	379	#############################################################################
479		380
480	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
481		382
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	509	our @CB_MAP = ();
609		510
610	my %attachment;	511	my %attachment;
611		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
612	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
614		521
615	use sort 'stable';	522	use sort 'stable';
616		523
…		…
787	# object support	694	# object support
788		695
789	sub reattach {	696	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		701
793	my $registry = $obj->registry;	702	my $registry = $obj->registry;
794		703
795	@$registry = ();	704	@$registry = ();
796		705
…		…
928	=cut	837	=cut
929		838
930	sub register_extcmd {	839	sub register_extcmd {
931	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
932		841
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
937	}	843	}
938		844
939	cf::player->attach (	845	cf::player->attach (
940	on_command => sub {	846	on_command => sub {
941	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
954		860
955	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
956		862
957	if (ref $msg) {	863	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	867	}
962	}	868	}
963	} else {	869	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		872
967	cf::override;	873	cf::override;
968	},	874	},
969	);	875	);
970		876
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	877	sub load_extension {
978	my ($path) = @_;	878	my ($path) = @_;
979		879
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	881	my $base = $1;
982	my $pkg = $1;	882	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
985		885
986	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
987		887
988	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
989	or die "$path: $!";	889	or die "$path: $!";
990		890
991	my $source =	891	my $source =
992	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
995	. "\n};\n1";	895	. "\n};\n1";
996		896
997	eval $source	897	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	899	: "extension disabled.\n";
1000		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	901	warn $@;
1002	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
1003		903	exit 1;
1004	# no strict 'refs';	904	}
1005	# @{"$pkg\::ISA"} = ext::;	905	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	# }	906	}
1020		907
1021	# remove commands	908	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	}	909	}
1046		910
1047	sub load_extensions {	911	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	913	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1054	}	918	}
1055	}	919	}
1056		920
1057	#############################################################################	921	#############################################################################
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		922
1095	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1096		924
1097	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1098		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1099	=head3 cf::player	933	=head3 cf::player
1100		934
1101	=over 4	935	=over 4
1102		936
1103	=item cf::player::exists $login	937	=item cf::player::find $login
1104		938
1105	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1106		940
1107	=cut	941	=cut
1108		942
1109	sub cf::player::exists($) {	943	sub playerdir($) {
1110	cf::player::find $_[0]	944	cf::localdir
1111	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
1112	}	1089	}
1113		1090
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1092
1116	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1117		1094
1118	=cut	1095	=cut
1119		1096
1120	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1122		1099
1123	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1124		1101
1125	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1126	}	1103	}
		1104
		1105	package cf;
1127		1106
1128	=back	1107	=back
1129		1108
1130		1109
1131	=head3 cf::map	1110	=head3 cf::map
…		…
1137	package cf::map;	1116	package cf::map;
1138		1117
1139	use Fcntl;	1118	use Fcntl;
1140	use Coro::AIO;	1119	use Coro::AIO;
1141		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1142	our $MAX_RESET = 7200;	1125	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1126	our $DEFAULT_RESET = 3000;
1144		1127
1145	sub generate_random_map {	1128	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1131	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1273	}
1163		1274
1164	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1165	# all maps in C++...	1276	# all maps in C++...
1166	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1168		1279
1169	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1171	}	1282	}
1172		1283
		1284	sub unlink_save {
		1285	my ($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
1173	sub try_load_header($) {	1292	sub load_header_from($) {
1174	my ($path) = @_;	1293	my ($self, $path) = @_;
1175		1294
1176	utf8::encode $path;	1295	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1178	or return;	1297	or return;
1179		1298
1180	my $map = cf::map::new	1299	$self->_load_header ($path)
1181	or return;	1300	or return;
1182		1301
1183	$map->load_header ($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
1184	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1185		1348
1186	$map->{load_path} = $path;	1349	1
1187
1188	$map
1189	}	1350	}
1190		1351
1191	sub find_map;	1352	sub find;
1192	sub find_map {	1353	sub find {
1193	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1194		1355
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1357
1200	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1201		1359
1202	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1204		1362	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;	1363	or return;
1220		1364
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;	1365	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1366
1234	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;
1235	$map->reset;	1373	$map->reset;
1236	undef $guard;	1374	undef $guard;
1237	$map = find_map $path	1375	return find $path;
1238	or return;
1239	}	1376	}
1240		1377
1241	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1242	}	1379	}
1243	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1244		1384
1245	sub load {	1385	sub load {
1246	my ($self) = @_;	1386	my ($self) = @_;
1247		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1248	my $path = $self->{path};	1390	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1250		1392
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1394
1253	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1254		1396
1255	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1256	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1402	or return;
1258		1403
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1405	if delete $self->{load_original};
1261		1406
1262	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1408	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1410	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1267	}	1412	}
1268	}	1413	}
		1414
		1415	Coro::cede;
1269		1416
1270	# now do the right thing for maps	1417	# now do the right thing for maps
1271	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1272		1419
1273	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1421	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1280	$self->set_darkness_map;	1425	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1283	$self->activate;	1429	$self->activate;
1284	}	1430	}
1285		1431
		1432	$self->post_load;
		1433
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1435	}
1288		1436
1289	sub load_map_sync {	1437	sub customise_for {
		1438	my ($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	$neigh->load;
		1467	}
		1468	}
		1469
		1470	sub find_sync {
1290	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1291		1472
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1473	cf::sync_job { find $path, $origin }
		1474	}
1293		1475
1294	cf::sync_job {	1476	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1477	my ($map) = @_;
1296	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;
1297	$map->load;	1500	$map->load;
1298	$map	1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
1299	}	1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
1300	}	1510	}
1301		1511
1302	sub save {	1512	sub save {
1303	my ($self) = @_;	1513	my ($self) = @_;
1304		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1305	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1306		1518
1307	return unless $self->dirty;	1519	return unless $self->dirty;
1308		1520
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1523
1312	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1313		1525
1314	return if $self->{deny_save};	1526	return if $self->{deny_save};
1315		1527
		1528	local $self->{last_access} = $self->last_access;#d#
		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1316	if ($uniq) {	1534	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1537	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1539	}
1322	}	1540	}
1323		1541
1324	sub swap_out {	1542	sub swap_out {
1325	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;
1326		1549
1327	return if $self->players;	1550	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1552	return if $self->{deny_save};
1330		1553
1331	$self->save;
1332	$self->clear;	1554	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1555	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1556	}
1335		1557
1336	sub reset_at {	1558	sub reset_at {
1337	my ($self) = @_;	1559	my ($self) = @_;
1338		1560
1339	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1342		1564
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1567
…		…
1350	my ($self) = @_;	1572	my ($self) = @_;
1351		1573
1352	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1353	}	1575	}
1354		1576
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1577	sub reset {
1377	my ($self) = @_;	1578	my ($self) = @_;
1378		1579
		1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1581
1379	return if $self->players;	1582	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1381		1584
1382	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1383		1586
1384	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1385		1591
1386	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1387		1593
1388	$self->unlink_save;	1594	$self->unlink_save;
1389	$self->destroy;	1595	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1393		1599
1394	sub nuke {	1600	sub nuke {
1395	my ($self) = @_;	1601	my ($self) = @_;
1396		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1400	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1401	}	1616	}
1402		1617
1403	sub customise_for {	1618	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1619
1406	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1408	}
1409		1622
1410	$map	1623	=cut
1411	}
1412		1624
1413	sub emergency_save {	1625	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1415		1628
1416	warn "enter emergency map save\n";	1629	my @paths;
1417		1630
1418	cf::sync_job {	1631	for (@$files) {
1419	warn "begin emergency map save\n";	1632	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1421	};	1637	}
1422		1638
1423	warn "end emergency map save\n";	1639	\@paths
1424	}	1640	}
1425		1641
1426	package cf;	1642	package cf;
1427		1643
1428	=back	1644	=back
1429		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
1430		1672
1431	=head3 cf::object::player	1673	=head3 cf::object::player
1432		1674
1433	=over 4	1675	=over 4
1434		1676
…		…
1474		1716
1475	=item $player_object->enter_link	1717	=item $player_object->enter_link
1476		1718
1477	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}>).
1478		1720
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1481		1723
		1724	Will never block.
		1725
1482	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1483		1727
1484	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1731	fails, to the emergency map position.
1488		1732
1489	Might block.	1733	Might block.
1490		1734
1491	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($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	$LINK_MAP
		1745	}
1492		1746
1493	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1748	my ($self) = @_;
1495		1749
1496	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1497		1751
1498	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1753
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1755	if $self->map;
1502		1756
1503	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1758	}
1505		1759
1506	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1508		1762
1509	my $link_pos = delete $self->{_link_pos};	1763	my $link_pos = delete $self->{_link_pos};
1510		1764
1511	unless ($map) {	1765	unless ($map) {
1512	# restore original map position	1766	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1767	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1768	$map = cf::map::find $map;
1515		1769
1516	unless ($map) {	1770	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1771	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1772	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1773	or die "FATAL: cannot load emergency map\n";
1520	}	1774	}
1521	}	1775	}
1522		1776
1523	($x, $y) = (-1, -1)	1777	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1529		1783
1530	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1531		1786
		1787	return unless $self->contr->active;
1532	$self->activate_recursive;	1788	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1534	}	1790	}
1535		1791
1536	cf::player->attach (	1792	cf::player->attach (
…		…
1549		1805
1550	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1807	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1554	cf::async {	1810	(async {
1555	# 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
1556	# 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);
1557	Coro::Timer::sleep 1;	1817	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1818	$pl->ob->leave_link;
1559	};	1819	})->prio (2);
1560	}	1820	}
1561	},	1821	},
1562	);	1822	);
1563		1823
1564	=item $player_object->goto_map ($path, $x, $y)	1824	=item $player_object->goto ($path, $x, $y)
1565		1825
1566	=cut	1826	=cut
1567		1827
1568	sub cf::object::player::goto_map {	1828	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1570		1830
1571	$self->enter_link;	1831	$self->enter_link;
1572		1832
1573	(cf::async {	1833	(async {
1574	$path = new cf::path $path;	1834	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1835	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1578		1837	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1580	# if $map;
1581
1582	$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);
1583		1840
1584	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1842	})->prio (1);
1586	}	1843	}
1587		1844
…		…
1591		1848
1592	sub parse_random_map_params {	1849	sub parse_random_map_params {
1593	my ($spec) = @_;	1850	my ($spec) = @_;
1594		1851
1595	my $rmp = { # defaults	1852	my $rmp = { # defaults
1596	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1598	};	1857	};
1599		1858
1600	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1602		1861
…		…
1606	$rmp	1865	$rmp
1607	}	1866	}
1608		1867
1609	sub prepare_random_map {	1868	sub prepare_random_map {
1610	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1872
1612	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1875	# that depends on the exit object
1615		1876
1616	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1617		1878
1618	if ($exit->map) {	1879	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1623	}	1884	}
1624		1885
1625	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1626		1887
1627	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1891
1630	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) {
1631	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;
1632		1896
1633	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1898	$exit->msg (undef);
1635	}	1899	}
1636	}	1900	}
…		…
1638	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1640		1904
1641	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
1642		1906
		1907	if ($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
1643	$self->enter_link;	1916	$self->enter_link;
1644		1917
1645	(cf::async {	1918	(async {
		1919	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1920	unless (eval {
1647	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1922
1653	1;	1923	1;
1654	}) {	1924	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1929
1660	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1931	$self->leave_link;
1662	}	1932	}
…		…
1714	my ($ns, $msg) = @_;	1984	my ($ns, $msg) = @_;
1715		1985
1716	# this weird shuffling is so that direct followup queries	1986	# this weird shuffling is so that direct followup queries
1717	# get handled first	1987	# get handled first
1718	my $queue = delete $ns->{query_queue}	1988	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	1989	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		1990
1721	(shift @$queue)->[1]->($msg);	1991	(shift @$queue)->[1]->($msg);
1722		1992
1723	push @{ $ns->{query_queue} }, @$queue;	1993	push @{ $ns->{query_queue} }, @$queue;
1724		1994
…		…
1730	}	2000	}
1731	}	2001	}
1732	},	2002	},
1733	);	2003	);
1734		2004
1735	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1736		2006
1737	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2009	or loss of connection).
1740		2010
1741	=cut	2011	=cut
1742		2012
1743	sub cf::client::coro {	2013	sub cf::client::async {
1744	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1745		2015
1746	my $coro = &cf::async ($cb);	2016	my $coro = &Coro::async ($cb);
1747		2017
1748	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1750	});	2020	});
1751		2021
…		…
1945	sub db_sync() {	2215	sub db_sync() {
1946	db_save if $dirty;	2216	db_save if $dirty;
1947	undef $dirty;	2217	undef $dirty;
1948	}	2218	}
1949		2219
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1951	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1952	});	2227	);
1953		2228
1954	sub db_dirty() {	2229	sub db_dirty() {
1955	$dirty = 1;	2230	$dirty = 1;
1956	$idle->start;	2231	$idle->start;
1957	}	2232	}
…		…
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2261	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2262	or return;
1988		2263
1989	local $/;	2264	local $/;
1990	*CFG = YAML::Syck::Load <$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	}
1991	}	2279	}
1992		2280
1993	sub main {	2281	sub main {
1994	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2285	(async {
1998	Event::one_event;	2286	Event::one_event;
1999	})->();	2287	})->prio (Coro::PRIO_MAX);
2000	};	2288	};
2001		2289
2002	cfg_load;	2290	cfg_load;
2003	db_load;	2291	db_load;
2004	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2005	Event::loop;	2295	Event::loop;
2006	}	2296	}
2007		2297
2008	#############################################################################	2298	#############################################################################
2009	# 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	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2010		2344
2011	sub reload() {	2345	sub reload() {
2012	# can/must only be called in main	2346	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2015	return;	2349	return;
2016	}	2350	}
2017		2351
2018	warn "reloading...";	2352	warn "reloading...";
2019		2353
2020	local $FREEZE = 1;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2021	cf::emergency_save;	2357	cf::emergency_save;
2022		2358
2023	eval {	2359	eval {
2024	# 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
2025		2361
2026	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2368	}
2030		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
2031	# cancel all extension coros	2378	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2380	%EXT_CORO = ();
2034		2381
2035	# unload all extensions	2382	warn "removing commands";
2036	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2038	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: $@";
2039	}	2397	}
2040		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2041	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2406
2045	warn "removing <$k>";	2407	warn "... unloading $k";
2046	delete $INC{$k};	2408	delete $INC{$k};
2047		2409
2048	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2050		2412
…		…
2053	}	2415	}
2054		2416
2055	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2056	}	2418	}
2057		2419
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2064	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);
2065		2423
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2071		2426
2072	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2428	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2075		2430
2076	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2077	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2078	require cf;	2434	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2436
2081	# load config and database again	2437	warn "loading config and database again";
2082	cf::cfg_load;	2438	cf::cfg_load;
2083	cf::db_load;	2439	cf::db_load;
2084		2440
2085	# load extensions
2086	warn "load extensions";	2441	warn "loading extensions";
2087	cf::load_extensions;	2442	cf::load_extensions;
2088		2443
2089	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2092	};	2452	};
2093		2453
2094	if ($@) {	2454	if ($@) {
2095	warn $@;	2455	warn $@;
2096	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2097	exit 1;	2457	exit 1;
2098	}	2458	}
2099		2459
2100	warn "reloaded successfully";	2460	warn "reloaded";
2101	};	2461	};
2102		2462
2103	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2464
2148	register_command "reload" => sub {	2465	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2150		2467
2151	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2479	reload;
2154	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2155	}	2483	}
2156	};	2484	};
2157		2485
2158	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2159		2489
2160	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2162	prio => 0,	2493	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2165	cb => sub {	2496	cb => sub {
2166	unless ($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
2167	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2517
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2520
2176	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2178	},	2523	},
2179	);	2524	);
2180		2525
2181	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2182		2527
2183	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2185	poll => 'r',	2532	poll => 'r',
2186	prio => 5,	2533	prio => 6,
2187	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2189	);	2536	);
2190		2537
2191	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2192	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2193	after => 0,	2541	after => 1,
2194	interval => 10,	2542	interval => 10,
2195	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2196	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2197	write_runtime	2545	write_runtime
2198	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2199	})->();
2200	},	2547	},
2201	);	2548	);
2202		2549
2203	END { cf::emergency_save }	2550	END { cf::emergency_save }
2204		2551

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