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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.200 by root, Mon Jan 29 17:57:22 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
…		…
867	}	776	}
868	} else {	777	} else {
869	aio_unlink $filename;	778	aio_unlink $filename;
870	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
871	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
872	}	787	}
873	}	788	}
874		789
875	sub object_freezer_as_string {	790	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
882		797
883	sub object_thawer_load {	798	sub object_thawer_load {
884	my ($filename) = @_;	799	my ($filename) = @_;
885		800
886	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
887		805
888	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
889	or return;	807	or return;
890		808
891	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
928	=cut	846	=cut
929		847
930	sub register_extcmd {	848	sub register_extcmd {
931	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
932		850
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
937	}	852	}
938		853
939	cf::player->attach (	854	cf::player->attach (
940	on_command => sub {	855	on_command => sub {
941	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
954		869
955	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
956		871
957	if (ref $msg) {	872	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	876	}
962	}	877	}
963	} else {	878	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		881
967	cf::override;	882	cf::override;
968	},	883	},
969	);	884	);
970		885
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	886	sub load_extension {
978	my ($path) = @_;	887	my ($path) = @_;
979		888
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	890	my $base = $1;
982	my $pkg = $1;	891	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
985		894
986	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
987		896
988	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
989	or die "$path: $!";	898	or die "$path: $!";
990		899
991	my $source =	900	my $source =
992	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
995	. "\n};\n1";	904	. "\n};\n1";
996		905
997	eval $source	906	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	908	: "extension disabled.\n";
1000		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	910	warn $@;
1002	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1003		912	exit 1;
1004	# no strict 'refs';	913	}
1005	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
1020		916
1021	# remove commands	917	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	}	918	}
1046		919
1047	sub load_extensions {	920	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	922	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1054	}	927	}
1055	}	928	}
1056		929
1057	#############################################################################	930	#############################################################################
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		931
1095	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1096		933
1097	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1098		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1099	=head3 cf::player	942	=head3 cf::player
1100		943
1101	=over 4	944	=over 4
1102		945
1103	=item cf::player::exists $login	946	=item cf::player::find $login
1104		947
1105	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1106		949
1107	=cut	950	=cut
1108		951
1109	sub cf::player::exists($) {	952	sub playerdir($) {
1110	cf::player::find $_[0]	953	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	my $files = aio_readdir playerdir $pl
		1085	or return;
		1086
		1087	my @paths;
		1088
		1089	for (@$files) {
		1090	utf8::decode $_;
		1091	next if /\.(?:pl|pst)$/;
		1092	next unless /^$PATH_SEP/o;
		1093
		1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1095	}
		1096
		1097	\@paths
1112	}	1098	}
1113		1099
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1101
1116	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1117		1103
1118	=cut	1104	=cut
1119		1105
1120	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1122		1108
1123	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1124		1110
1125	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1126	}	1112	}
		1113
		1114	package cf;
1127		1115
1128	=back	1116	=back
1129		1117
1130		1118
1131	=head3 cf::map	1119	=head3 cf::map
…		…
1137	package cf::map;	1125	package cf::map;
1138		1126
1139	use Fcntl;	1127	use Fcntl;
1140	use Coro::AIO;	1128	use Coro::AIO;
1141		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1142	our $MAX_RESET = 7200;	1134	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1135	our $DEFAULT_RESET = 3000;
1144		1136
1145	sub generate_random_map {	1137	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1140	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1151	(cf::region::find $rmp->{region}), $rmp->{custom}
		1152	)
		1153	}
		1154
		1155	=item cf::map->register ($regex, $prio)
		1156
		1157	Register a handler for the map path matching the given regex at the
		1158	givne priority (higher is better, built-in handlers have priority 0, the
		1159	default).
		1160
		1161	=cut
		1162
		1163	sub register {
		1164	my (undef, $regex, $prio) = @_;
		1165	my $pkg = caller;
		1166
		1167	no strict;
		1168	push @{"$pkg\::ISA"}, __PACKAGE__;
		1169
		1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1171	}
		1172
		1173	# also paths starting with '/'
		1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1175
		1176	sub thawer_merge {
		1177	my ($self, $merge) = @_;
		1178
		1179	# we have to keep some variables in memory intact
		1180	local $self->{path};
		1181	local $self->{load_path};
		1182	local $self->{deny_save};
		1183	local $self->{deny_reset};
		1184
		1185	$self->SUPER::thawer_merge ($merge);
		1186	}
		1187
		1188	sub normalise {
		1189	my ($path, $base) = @_;
		1190
		1191	$path = "$path"; # make sure its a string
		1192
		1193	$path =~ s/\.map$//;
		1194
		1195	# map plan:
		1196	#
		1197	# /! non-realised random map exit (special hack!)
		1198	# {... are special paths that are not being touched
		1199	# ?xxx/... are special absolute paths
		1200	# ?random/... random maps
		1201	# /... normal maps
		1202	# ~user/... per-player map of a specific user
		1203
		1204	$path =~ s/$PATH_SEP/\//go;
		1205
		1206	# treat it as relative path if it starts with
		1207	# something that looks reasonable
		1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1210
		1211	$base =~ s{[^/]+/?$}{};
		1212	$path = "$base/$path";
		1213	}
		1214
		1215	for ($path) {
		1216	redo if s{//}{/};
		1217	redo if s{/\.?/}{/};
		1218	redo if s{/[^/]+/\.\./}{/};
		1219	}
		1220
		1221	$path
		1222	}
		1223
		1224	sub new_from_path {
		1225	my (undef, $path, $base) = @_;
		1226
		1227	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1228
		1229	$path = normalise $path, $base;
		1230
		1231	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1232	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1233	my $self = bless cf::map::new, $pkg;
		1234	$self->{path} = $path; $self->path ($path);
		1235	$self->init; # pass $1 etc.
		1236	return $self;
		1237	}
		1238	}
		1239
		1240	Carp::carp "unable to resolve path '$path' (base '$base').";
		1241	()
		1242	}
		1243
		1244	sub init {
		1245	my ($self) = @_;
		1246
		1247	$self
		1248	}
		1249
		1250	sub as_string {
		1251	my ($self) = @_;
		1252
		1253	"$self->{path}"
		1254	}
		1255
		1256	# the displayed name, this is a one way mapping
		1257	sub visible_name {
		1258	&as_string
		1259	}
		1260
		1261	# the original (read-only) location
		1262	sub load_path {
		1263	my ($self) = @_;
		1264
		1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1266	}
		1267
		1268	# the temporary/swap location
		1269	sub save_path {
		1270	my ($self) = @_;
		1271
		1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1274	}
		1275
		1276	# the unique path, undef == no special unique path
		1277	sub uniq_path {
		1278	my ($self) = @_;
		1279
		1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1282	}
1163		1283
1164	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1165	# all maps in C++...	1285	# all maps in C++...
1166	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1168		1288
1169	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1171	}	1291	}
1172		1292
		1293	sub unlink_save {
		1294	my ($self) = @_;
		1295
		1296	utf8::encode (my $save = $self->save_path);
		1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1299
		1300	#d#TODO remove .map and also nuke
		1301	$save =~ s/\.map// or return;#d#
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1304	}
		1305
1173	sub try_load_header($) {	1306	sub load_header_from($) {
1174	my ($path) = @_;	1307	my ($self, $path) = @_;
1175		1308
1176	utf8::encode $path;	1309	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1178	or return;	1314	or return;
1179		1315
1180	my $map = cf::map::new	1316	$self->{load_path} = $path;
		1317
		1318	1
		1319	}
		1320
		1321	sub load_header_orig {
		1322	my ($self) = @_;
		1323
		1324	$self->load_header_from ($self->load_path)
		1325	}
		1326
		1327	sub load_header_temp {
		1328	my ($self) = @_;
		1329
		1330	$self->load_header_from ($self->save_path)
		1331	}
		1332
		1333	sub prepare_temp {
		1334	my ($self) = @_;
		1335
		1336	$self->last_access ((delete $self->{last_access})
		1337	|| $cf::RUNTIME); #d#
		1338	# safety
		1339	$self->{instantiate_time} = $cf::RUNTIME
		1340	if $self->{instantiate_time} > $cf::RUNTIME;
		1341	}
		1342
		1343	sub prepare_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->{load_original} = 1;
		1347	$self->{instantiate_time} = $cf::RUNTIME;
		1348	$self->last_access ($cf::RUNTIME);
		1349	$self->instantiate;
		1350	}
		1351
		1352	sub load_header {
		1353	my ($self) = @_;
		1354
		1355	if ($self->load_header_temp) {
		1356	$self->prepare_temp;
		1357	} else {
		1358	$self->load_header_orig
1181	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1182		1362
1183	$map->load_header ($path)	1363	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1364	}
1190		1365
1191	sub find_map;	1366	sub find;
1192	sub find_map {	1367	sub find {
1193	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1194		1369
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1371
1200	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1201		1373
1202	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1204		1376	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;	1377	or return;
1220		1378
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;	1379	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1380
1234	if ($map->should_reset) {	1381	$map->load_header
		1382	or return;
		1383
		1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1385	# doing this can freeze the server in a sync job, obviously
		1386	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1387	$map->reset;
1236	undef $guard;	1388	undef $guard;
1237	$map = find_map $path	1389	return find $path;
1238	or return;
1239	}	1390	}
1240		1391
1241	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1242	}	1393	}
1243	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1244		1398
1245	sub load {	1399	sub load {
1246	my ($self) = @_;	1400	my ($self) = @_;
1247		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1248	my $path = $self->{path};	1404	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1250		1406
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1408
1253	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1254		1410
1255	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1256	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1416	or return;
1258		1417
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1419	if delete $self->{load_original};
1261		1420
1262	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1422	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1424	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1267	}	1426	}
1268	}	1427	}
		1428
		1429	Coro::cede;
1269		1430
1270	# now do the right thing for maps	1431	# now do the right thing for maps
1271	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1272		1433
1273	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1435	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1280	$self->set_darkness_map;	1439	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1283	$self->activate;	1443	$self->activate;
1284	}	1444	}
1285		1445
		1446	$self->post_load;
		1447
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1449	}
1288		1450
1289	sub load_map_sync {	1451	sub customise_for {
		1452	my ($self, $ob) = @_;
		1453
		1454	return find "~" . $ob->name . "/" . $self->{path}
		1455	if $self->per_player;
		1456
		1457	$self
		1458	}
		1459
		1460	# find and load all maps in the 3x3 area around a map
		1461	sub load_diag {
		1462	my ($map) = @_;
		1463
		1464	my @diag; # diagonal neighbours
		1465
		1466	for (0 .. 3) {
		1467	my $neigh = $map->tile_path ($_)
		1468	or next;
		1469	$neigh = find $neigh, $map
		1470	or next;
		1471	$neigh->load;
		1472
		1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1475	}
		1476
		1477	for (@diag) {
		1478	my $neigh = find @$_
		1479	or next;
		1480	$neigh->load;
		1481	}
		1482	}
		1483
		1484	sub find_sync {
1290	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1291		1486
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1487	cf::sync_job { find $path, $origin }
		1488	}
1293		1489
1294	cf::sync_job {	1490	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1491	my ($map) = @_;
1296	or return;	1492
		1493	cf::sync_job { $map->load };
		1494	}
		1495
		1496	our %MAP_PREFETCH;
		1497	our $MAP_PREFETCHER = undef;
		1498
		1499	sub find_async {
		1500	my ($path, $origin) = @_;
		1501
		1502	$path = normalise $path, $origin && $origin->{path};
		1503
		1504	if (my $map = $cf::MAP{$path}) {
		1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1506	}
		1507
		1508	undef $MAP_PREFETCH{$path};
		1509	$MAP_PREFETCHER ||= cf::async {
		1510	while (%MAP_PREFETCH) {
		1511	for my $path (keys %MAP_PREFETCH) {
		1512	my $map = find $path
		1513	or next;
1297	$map->load;	1514	$map->load;
1298	$map	1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
1299	}	1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
1300	}	1524	}
1301		1525
1302	sub save {	1526	sub save {
1303	my ($self) = @_;	1527	my ($self) = @_;
1304		1528
		1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1530
1305	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1306		1532
1307	return unless $self->dirty;	1533	return unless $self->dirty;
1308		1534
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1537
1312	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1313		1539
1314	return if $self->{deny_save};	1540	return if $self->{deny_save};
1315		1541
		1542	local $self->{last_access} = $self->last_access;#d#
		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1316	if ($uniq) {	1548	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1551	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1553	}
1322	}	1554	}
1323		1555
1324	sub swap_out {	1556	sub swap_out {
1325	my ($self) = @_;	1557	my ($self) = @_;
		1558
		1559	# save first because save cedes
		1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1563
1327	return if $self->players;	1564	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1566	return if $self->{deny_save};
1330		1567
1331	$self->save;
1332	$self->clear;	1568	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1569	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1570	}
1335		1571
1336	sub reset_at {	1572	sub reset_at {
1337	my ($self) = @_;	1573	my ($self) = @_;
1338		1574
1339	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1342		1578
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1581
…		…
1350	my ($self) = @_;	1586	my ($self) = @_;
1351		1587
1352	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1353	}	1589	}
1354		1590
1355	sub unlink_save {
1356	my ($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	$self->save;
1374	}
1375
1376	sub reset {	1591	sub reset {
1377	my ($self) = @_;	1592	my ($self) = @_;
1378		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1379	return if $self->players;	1596	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1381		1598
1382	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1383		1600
1384	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1385		1605
1386	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1387		1607
1388	$self->unlink_save;	1608	$self->unlink_save;
1389	$self->destroy;	1609	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1393		1613
1394	sub nuke {	1614	sub nuke {
1395	my ($self) = @_;	1615	my ($self) = @_;
1396		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1400	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1401	}	1630	}
1402		1631
1403	sub customise_for {	1632	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1633
1406	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1408	}
1409		1636
1410	$map	1637	=cut
1411	}
1412		1638
1413	sub emergency_save {	1639	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1415		1642
1416	warn "enter emergency map save\n";	1643	my @paths;
1417		1644
1418	cf::sync_job {	1645	for (@$files) {
1419	warn "begin emergency map save\n";	1646	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1421	};	1651	}
1422		1652
1423	warn "end emergency map save\n";	1653	\@paths
1424	}	1654	}
1425		1655
1426	package cf;	1656	package cf;
1427		1657
1428	=back	1658	=back
1429		1659
		1660	=head3 cf::object
		1661
		1662	=cut
		1663
		1664	package cf::object;
		1665
		1666	=over 4
		1667
		1668	=item $ob->inv_recursive
		1669
		1670	Returns the inventory of the object _and_ their inventories, recursively.
		1671
		1672	=cut
		1673
		1674	sub inv_recursive_;
		1675	sub inv_recursive_ {
		1676	map { $_, inv_recursive_ $_->inv } @_
		1677	}
		1678
		1679	sub inv_recursive {
		1680	inv_recursive_ inv $_[0]
		1681	}
		1682
		1683	package cf;
		1684
		1685	=back
1430		1686
1431	=head3 cf::object::player	1687	=head3 cf::object::player
1432		1688
1433	=over 4	1689	=over 4
1434		1690
…		…
1474		1730
1475	=item $player_object->enter_link	1731	=item $player_object->enter_link
1476		1732
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1733	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1734
1479	The player should be reaosnably safe there for short amounts of time. You	1735	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.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1481		1737
		1738	Will never block.
		1739
1482	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1483		1741
1484	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1745	fails, to the emergency map position.
1488		1746
1489	Might block.	1747	Might block.
1490		1748
1491	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($LINK_MAP) {
		1753	$LINK_MAP = cf::map::find "{link}"
		1754	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1755	$LINK_MAP->load;
		1756	}
		1757
		1758	$LINK_MAP
		1759	}
1492		1760
1493	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1762	my ($self) = @_;
1495		1763
1496	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1497		1765
1498	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1767
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1769	if $self->map;
1502		1770
1503	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1772	}
1505		1773
1506	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1508		1776
1509	my $link_pos = delete $self->{_link_pos};	1777	my $link_pos = delete $self->{_link_pos};
1510		1778
1511	unless ($map) {	1779	unless ($map) {
1512	# restore original map position	1780	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1781	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1782	$map = cf::map::find $map;
1515		1783
1516	unless ($map) {	1784	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1785	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1786	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1787	or die "FATAL: cannot load emergency map\n";
1520	}	1788	}
1521	}	1789	}
1522		1790
1523	($x, $y) = (-1, -1)	1791	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1529		1797
1530	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1531		1800
		1801	return unless $self->contr->active;
1532	$self->activate_recursive;	1802	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1534	}	1804	}
1535		1805
1536	cf::player->attach (	1806	cf::player->attach (
…		…
1549		1819
1550	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1821	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1554	cf::async {	1824	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1825	# 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	1826	# and this sleep increases chances of the player not ending up in scorn
		1827	$pl->ob->reply (undef,
		1828	"There was an internal problem at your last logout, "
		1829	. "the server will try to bring you to your intended destination in a second.",
		1830	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1559	};	1833	})->prio (2);
1560	}	1834	}
1561	},	1835	},
1562	);	1836	);
1563		1837
1564	=item $player_object->goto_map ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1565		1839
1566	=cut	1840	=cut
1567		1841
1568	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1570		1844
1571	$self->enter_link;	1845	$self->enter_link;
1572		1846
1573	(cf::async {	1847	(async {
1574	$path = new cf::path $path;	1848	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1849	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1578		1851	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1854
1584	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1856	})->prio (1);
1586	}	1857	}
1587		1858
…		…
1591		1862
1592	sub parse_random_map_params {	1863	sub parse_random_map_params {
1593	my ($spec) = @_;	1864	my ($spec) = @_;
1594		1865
1595	my $rmp = { # defaults	1866	my $rmp = { # defaults
1596	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1598	};	1871	};
1599		1872
1600	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1602		1875
…		…
1606	$rmp	1879	$rmp
1607	}	1880	}
1608		1881
1609	sub prepare_random_map {	1882	sub prepare_random_map {
1610	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1886
1612	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1889	# that depends on the exit object
1615		1890
1616	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1617		1892
1618	if ($exit->map) {	1893	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1623	}	1898	}
1624		1899
1625	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1626		1901
1627	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1905
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1907	aio_write $fh, 0, (length $data), $data, 0;
		1908	undef $fh;
		1909	aio_rename "$meta~", $meta;
1632		1910
1633	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1912	$exit->msg (undef);
1635	}	1913	}
1636	}	1914	}
…		…
1638	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1640		1918
1641	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1642		1920
		1921	if ($exit->slaying eq "/!") {
		1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1923	cf::sync_job { prepare_random_map $exit };
		1924	}
		1925
		1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1927	my $hp = $exit->stats->hp;
		1928	my $sp = $exit->stats->sp;
		1929
1643	$self->enter_link;	1930	$self->enter_link;
1644		1931
1645	(cf::async {	1932	(async {
		1933	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1934	unless (eval {
1647	prepare_random_map $exit	1935	$self->goto ($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		1936
1653	1;	1937	1;
1654	}) {	1938	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1940	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1943
1660	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1945	$self->leave_link;
1662	}	1946	}
…		…
1713	on_reply => sub {	1997	on_reply => sub {
1714	my ($ns, $msg) = @_;	1998	my ($ns, $msg) = @_;
1715		1999
1716	# this weird shuffling is so that direct followup queries	2000	# this weird shuffling is so that direct followup queries
1717	# get handled first	2001	# get handled first
1718	my $queue = delete $ns->{query_queue};	2002	my $queue = delete $ns->{query_queue}
		2003	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		2004
1720	(shift @$queue)->[1]->($msg);	2005	(shift @$queue)->[1]->($msg);
1721		2006
1722	push @{ $ns->{query_queue} }, @$queue;	2007	push @{ $ns->{query_queue} }, @$queue;
1723		2008
…		…
1729	}	2014	}
1730	}	2015	}
1731	},	2016	},
1732	);	2017	);
1733		2018
1734	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1735		2020
1736	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	2023	or loss of connection).
1739		2024
1740	=cut	2025	=cut
1741		2026
1742	sub cf::client::coro {	2027	sub cf::client::async {
1743	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1744		2029
1745	my $coro = &cf::async ($cb);	2030	my $coro = &Coro::async ($cb);
1746		2031
1747	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1749	});	2034	});
1750		2035
…		…
1944	sub db_sync() {	2229	sub db_sync() {
1945	db_save if $dirty;	2230	db_save if $dirty;
1946	undef $dirty;	2231	undef $dirty;
1947	}	2232	}
1948		2233
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1950	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1951	});	2241	);
1952		2242
1953	sub db_dirty() {	2243	sub db_dirty() {
1954	$dirty = 1;	2244	$dirty = 1;
1955	$idle->start;	2245	$idle->start;
1956	}	2246	}
…		…
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2275	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2276	or return;
1987		2277
1988	local $/;	2278	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
		2280
		2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2282
		2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2285
		2286	if (exists $CFG{mlockall}) {
		2287	eval {
		2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2289	and die "WARNING: m(un)lockall failed: $!\n";
		2290	};
		2291	warn $@ if $@;
		2292	}
1990	}	2293	}
1991		2294
1992	sub main {	2295	sub main {
1993	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	2299	(async {
1997	Event::one_event;	2300	Event::one_event;
1998	})->();	2301	})->prio (Coro::PRIO_MAX);
1999	};	2302	};
2000		2303
2001	cfg_load;	2304	cfg_load;
2002	db_load;	2305	db_load;
2003	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2004	Event::loop;	2309	Event::loop;
2005	}	2310	}
2006		2311
2007	#############################################################################	2312	#############################################################################
2008	# initialisation	2313	# initialisation and cleanup
		2314
		2315	# install some emergency cleanup handlers
		2316	BEGIN {
		2317	for my $signal (qw(INT HUP TERM)) {
		2318	Event->signal (
		2319	reentrant => 0,
		2320	data => WF_AUTOCANCEL,
		2321	signal => $signal,
		2322	prio => 0,
		2323	cb => sub {
		2324	cf::cleanup "SIG$signal";
		2325	},
		2326	);
		2327	}
		2328	}
		2329
		2330	sub emergency_save() {
		2331	my $freeze_guard = cf::freeze_mainloop;
		2332
		2333	warn "enter emergency perl save\n";
		2334
		2335	cf::sync_job {
		2336	# use a peculiar iteration method to avoid tripping on perl
		2337	# refcount bugs in for. also avoids problems with players
		2338	# and maps saved/destroyed asynchronously.
		2339	warn "begin emergency player save\n";
		2340	for my $login (keys %cf::PLAYER) {
		2341	my $pl = $cf::PLAYER{$login} or next;
		2342	$pl->valid or next;
		2343	$pl->save;
		2344	}
		2345	warn "end emergency player save\n";
		2346
		2347	warn "begin emergency map save\n";
		2348	for my $path (keys %cf::MAP) {
		2349	my $map = $cf::MAP{$path} or next;
		2350	$map->valid or next;
		2351	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2009		2358
2010	sub reload() {	2359	sub reload() {
2011	# can/must only be called in main	2360	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2014	return;	2363	return;
2015	}	2364	}
2016		2365
2017	warn "reloading...";	2366	warn "reloading...";
2018		2367
2019	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2020	cf::emergency_save;	2371	cf::emergency_save;
2021		2372
2022	eval {	2373	eval {
2023	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2024		2375
2025	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2382	}
2029		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	IO::AIO::flush;
		2387	Coro::cede;
		2388	last unless IO::AIO::nreqs;
		2389	warn "iterate...";
		2390	}
		2391
2030	# cancel all extension coros	2392	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2394	%EXT_CORO = ();
2033		2395
2034	# unload all extensions	2396	warn "removing commands";
2035	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2037	unload_extension $_;	2405
		2406	if (my $cb = $pkg->can ("unload")) {
		2407	eval {
		2408	$cb->($pkg);
		2409	1
		2410	} or warn "$pkg unloaded, but with errors: $@";
2038	}	2411	}
2039		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2040	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2420
2044	warn "removing <$k>";	2421	warn "... unloading $k";
2045	delete $INC{$k};	2422	delete $INC{$k};
2046		2423
2047	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2049		2426
…		…
2052	}	2429	}
2053		2430
2054	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2055	}	2432	}
2056		2433
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		2437
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2070		2440
2071	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2442	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2074		2444
2075	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2076	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2077	require cf;	2448	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2450
2080	# load config and database again	2451	warn "loading config and database again";
2081	cf::cfg_load;	2452	cf::cfg_load;
2082	cf::db_load;	2453	cf::db_load;
2083		2454
2084	# load extensions
2085	warn "load extensions";	2455	warn "loading extensions";
2086	cf::load_extensions;	2456	cf::load_extensions;
2087		2457
2088	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2089	warn "reattach";
2090	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2091	};	2466	};
2092		2467
2093	if ($@) {	2468	if ($@) {
2094	warn $@;	2469	warn $@;
2095	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2096	exit 1;	2471	exit 1;
2097	}	2472	}
2098		2473
2099	warn "reloaded successfully";	2474	warn "reloaded";
2100	};	2475	};
2101		2476
2102	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}
2144
2145	register "<global>", __PACKAGE__;
2146		2478
2147	register_command "reload" => sub {	2479	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2149		2481
2150	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");	2483	$who->message ("reloading server.");
		2484
		2485	# doing reload synchronously and two reloads happen back-to-back,
		2486	# coro crashes during coro_state_free->destroy here.
		2487
		2488	$RELOAD_WATCHER ||= Event->timer (
		2489	reentrant => 0,
		2490	after => 0,
		2491	data => WF_AUTOCANCEL,
		2492	cb => sub {
2152	reload;	2493	reload;
2153	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2154	}	2497	}
2155	};	2498	};
2156		2499
2157	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2158		2503
2159	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2161	prio => 0,	2507	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2164	cb => sub {	2510	cb => sub {
2165	unless ($FREEZE) {	2511	if ($Coro::current != $Coro::main) {
		2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2513	unless ++$bug_warning > 10;
		2514	return;
		2515	}
		2516
		2517	$NOW = Event::time;
		2518
2166	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2521	$NEXT_TICK += $TICK;
		2522
		2523	$WAIT_FOR_TICK->broadcast;
		2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2525
		2526	Event::sweep;
		2527	Coro::cede_notself;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2171		2531
2172	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2534
2175	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2176	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2177	},	2537	},
2178	);	2538	);
2179		2539
2180	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2181		2541
2182	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2183	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2184	poll => 'r',	2546	poll => 'r',
2185	prio => 5,	2547	prio => 6,
2186	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2188	);	2550	);
2189		2551
2190	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2191	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2192	after => 0,	2555	after => 1,
2193	interval => 10,	2556	interval => 10,
2194	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2195	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2196	write_runtime	2559	write_runtime
2197	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2198	})->();
2199	},	2561	},
2200	);	2562	);
2201		2563
2202	END { cf::emergency_save }	2564	END { cf::emergency_save }
2203		2565

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