ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
179	sub to_json($) {	216	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
182	}	219	}
183		220
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	Wait until the given lock is available and then acquires it and returns	227	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
269	$guard	272	$guard
270	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
271		284
272	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
273		286
274	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
295		308
296	my $busy = 1;	309	my $busy = 1;
297	my @res;	310	my @res;
298		311
299	(Coro::async {	312	(async {
300	@res = eval { $job->() };	313	@res = eval { $job->() };
301	warn $@ if $@;	314	warn $@ if $@;
302	undef $busy;	315	undef $busy;
303	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
304		317
305	while ($busy) {	318	while ($busy) {
306	Coro::cede_notself;	319	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	320	}
309		321
310	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
311	} else {	323	} else {
312	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
313		325
314	$job->()	326	$job->()
315	}	327	}
316	}	328	}
317		329
318	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
319		331
320	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
322		334
323	=cut	335	=cut
324		336
325	sub coro(&) {	337	sub async_ext(&) {
326	my $cb = shift;	338	my $cb = shift;
327		339
328	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
329		341
330	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
332	});	344	});
333	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
348	aio_fsync $fh	363	aio_fsync $fh
349	and return;	364	and return;
…		…
358	}	373	}
359		374
360	=back	375	=back
361		376
362	=cut	377	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		378
484	#############################################################################	379	#############################################################################
485		380
486	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
487		382
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	509	our @CB_MAP = ();
615		510
616	my %attachment;	511	my %attachment;
617		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
618	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
620		521
621	use sort 'stable';	522	use sort 'stable';
622		523
…		…
793	# object support	694	# object support
794		695
795	sub reattach {	696	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		701
799	my $registry = $obj->registry;	702	my $registry = $obj->registry;
800		703
801	@$registry = ();	704	@$registry = ();
802		705
…		…
873	}	776	}
874	} else {	777	} else {
875	aio_unlink $filename;	778	aio_unlink $filename;
876	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
877	}	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	}
878	}	787	}
879	}	788	}
880		789
881	sub object_freezer_as_string {	790	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
888		797
889	sub object_thawer_load {	798	sub object_thawer_load {
890	my ($filename) = @_;	799	my ($filename) = @_;
891		800
892	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$//;
893		805
894	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
895	or return;	807	or return;
896		808
897	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
934	=cut	846	=cut
935		847
936	sub register_extcmd {	848	sub register_extcmd {
937	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
938		850
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
943	}	852	}
944		853
945	cf::player->attach (	854	cf::player->attach (
946	on_command => sub {	855	on_command => sub {
947	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
960		869
961	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
962		871
963	if (ref $msg) {	872	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	876	}
968	}	877	}
969	} else {	878	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		881
973	cf::override;	882	cf::override;
974	},	883	},
975	);	884	);
976		885
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	886	sub load_extension {
984	my ($path) = @_;	887	my ($path) = @_;
985		888
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	890	my $base = $1;
988	my $pkg = $1;	891	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
991		894
992	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
993		896
994	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
995	or die "$path: $!";	898	or die "$path: $!";
996		899
997	my $source =	900	my $source =
998	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1001	. "\n};\n1";	904	. "\n};\n1";
1002		905
1003	eval $source	906	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	908	: "extension disabled.\n";
1006		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	910	warn $@;
1008	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1009		912	exit 1;
1010	# no strict 'refs';	913	}
1011	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	915	}
1026		916
1027	# remove commands	917	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	918	}
1052		919
1053	sub load_extensions {	920	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	922	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1060	}	927	}
1061	}	928	}
1062		929
1063	#############################################################################	930	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		931
1101	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1102		933
1103	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1104		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1105	=head3 cf::player	942	=head3 cf::player
1106		943
1107	=over 4	944	=over 4
1108		945
1109	=item cf::player::exists $login	946	=item cf::player::find $login
1110		947
1111	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1112		949
1113	=cut	950	=cut
1114		951
1115	sub cf::player::exists($) {	952	sub playerdir($) {
1116	cf::player::find $_[0]	953	cf::localdir
1117	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
1118	}	1098	}
1119		1099
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1100	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1101
1122	Sends an ext reply to the player.	1102	Sends an ext reply to the player.
1123		1103
1124	=cut	1104	=cut
1125		1105
1126	sub cf::player::ext_reply($$$%) {	1106	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1107	my ($self, $id, %msg) = @_;
1128		1108
1129	$msg{msgid} = $id;	1109	$msg{msgid} = $id;
1130		1110
1131	$self->send ("ext " . to_json \%msg);	1111	$self->send ("ext " . cf::to_json \%msg);
1132	}	1112	}
		1113
		1114	package cf;
1133		1115
1134	=back	1116	=back
1135		1117
1136		1118
1137	=head3 cf::map	1119	=head3 cf::map
…		…
1143	package cf::map;	1125	package cf::map;
1144		1126
1145	use Fcntl;	1127	use Fcntl;
1146	use Coro::AIO;	1128	use Coro::AIO;
1147		1129
		1130	use overload
		1131	'""' => \&as_string,
		1132	fallback => 1;
		1133
1148	our $MAX_RESET = 3600;	1134	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1135	our $DEFAULT_RESET = 3000;
1150		1136
1151	sub generate_random_map {	1137	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1138	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1139	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1140	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1144	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1145	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1282	}
1169		1283
1170	# and all this just because we cannot iterate over	1284	# and all this just because we cannot iterate over
1171	# all maps in C++...	1285	# all maps in C++...
1172	sub change_all_map_light {	1286	sub change_all_map_light {
…		…
1174		1288
1175	$_->change_map_light ($change)	1289	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1290	for grep $_->outdoor, values %cf::MAP;
1177	}	1291	}
1178		1292
		1293	sub unlink_save {
		1294	my ($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
1179	sub try_load_header($) {	1306	sub load_header_from($) {
1180	my ($path) = @_;	1307	my ($self, $path) = @_;
1181		1308
1182	utf8::encode $path;	1309	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1310	#aio_open $path, O_RDONLY, 0
		1311	# or return;
		1312
		1313	$self->_load_header ($path)
1184	or return;	1314	or return;
1185		1315
1186	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
1187	or return;	1359	or return;
		1360	$self->prepare_orig;
		1361	}
1188		1362
1189	$map->load_header ($path)	1363	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1364	}
1196		1365
1197	sub find;	1366	sub find;
1198	sub find {	1367	sub find {
1199	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1200		1369
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1370	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1371
1206	cf::lock_wait "map_find:$key";	1372	cf::lock_wait "map_find:$path";
1207		1373
1208	$cf::MAP{$key} || do {	1374	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1375	my $guard = cf::lock_acquire "map_find:$path";
1210		1376	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1377	or return;
1228		1378
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1379	$map->{last_save} = $cf::RUNTIME;
1241		1380
1242	if ($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;
1243	$map->reset;	1387	$map->reset;
1244	undef $guard;	1388	undef $guard;
1245	$map = find $path	1389	return find $path;
1246	or return;
1247	}	1390	}
1248		1391
1249	$cf::MAP{$key} = $map	1392	$cf::MAP{$path} = $map
1250	}	1393	}
1251	}	1394	}
		1395
		1396	sub pre_load { }
		1397	sub post_load { }
1252		1398
1253	sub load {	1399	sub load {
1254	my ($self) = @_;	1400	my ($self) = @_;
1255		1401
		1402	local $self->{deny_reset} = 1; # loading can take a long time
		1403
1256	my $path = $self->{path};	1404	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1405	my $guard = cf::lock_acquire "map_load:$path";
1258		1406
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1407	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1408
1261	$self->in_memory (cf::MAP_LOADING);	1409	$self->in_memory (cf::MAP_LOADING);
1262		1410
1263	$self->alloc;	1411	$self->alloc;
		1412
		1413	$self->pre_load;
		1414
1264	$self->load_objects ($self->{load_path}, 1)	1415	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1416	or return;
1266		1417
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1419	if delete $self->{load_original};
1269		1420
1270	if (my $uniq = $path->uniq_path) {	1421	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1422	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1423	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1424	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1425	$self->_load_objects ($uniq, 0);
1275	}	1426	}
1276	}	1427	}
		1428
		1429	Coro::cede;
1277		1430
1278	# now do the right thing for maps	1431	# now do the right thing for maps
1279	$self->link_multipart_objects;	1432	$self->link_multipart_objects;
1280		1433
1281	if ($self->{path}->is_style_map) {	1434	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1435	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1436	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1437	$self->update_buttons;
		1438	Coro::cede;
1288	$self->set_darkness_map;	1439	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1440	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1441	unless $self->difficulty;
		1442	Coro::cede;
1291	$self->activate;	1443	$self->activate;
1292	}	1444	}
1293		1445
		1446	$self->post_load;
		1447
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1448	$self->in_memory (cf::MAP_IN_MEMORY);
		1449	}
		1450
		1451	sub customise_for {
		1452	my ($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	$neigh->load;
		1481	}
1295	}	1482	}
1296		1483
1297	sub find_sync {	1484	sub find_sync {
1298	my ($path, $origin) = @_;	1485	my ($path, $origin) = @_;
1299		1486
1300	cf::sync_job { cf::map::find $path, $origin }	1487	cf::sync_job { find $path, $origin }
1301	}	1488	}
1302		1489
1303	sub do_load_sync {	1490	sub do_load_sync {
1304	my ($map) = @_;	1491	my ($map) = @_;
1305		1492
1306	cf::sync_job { $map->load };	1493	cf::sync_job { $map->load };
1307	}	1494	}
1308		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;
		1514	$map->load;
		1515
		1516	delete $MAP_PREFETCH{$path};
		1517	}
		1518	}
		1519	undef $MAP_PREFETCHER;
		1520	};
		1521	$MAP_PREFETCHER->prio (6);
		1522
		1523	()
		1524	}
		1525
1309	sub save {	1526	sub save {
1310	my ($self) = @_;	1527	my ($self) = @_;
1311		1528
		1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1530
1312	$self->{last_save} = $cf::RUNTIME;	1531	$self->{last_save} = $cf::RUNTIME;
1313		1532
1314	return unless $self->dirty;	1533	return unless $self->dirty;
1315		1534
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1535	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1536	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1537
1319	$self->{load_path} = $save;	1538	$self->{load_path} = $save;
1320		1539
1321	return if $self->{deny_save};	1540	return if $self->{deny_save};
1322		1541
1323	local $self->{last_access} = $self->last_access;#d#	1542	local $self->{last_access} = $self->last_access;#d#
1324		1543
		1544	cf::async {
		1545	$_->contr->save for $self->players;
		1546	};
		1547
1325	if ($uniq) {	1548	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1551	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1553	}
1331	}	1554	}
1332		1555
1333	sub swap_out {	1556	sub swap_out {
1334	my ($self) = @_;	1557	my ($self) = @_;
1335		1558
1336	# save first because save cedes	1559	# save first because save cedes
1337	$self->save;	1560	$self->save;
		1561
		1562	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1563
1339	return if $self->players;	1564	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1566	return if $self->{deny_save};
1342		1567
…		…
1346		1571
1347	sub reset_at {	1572	sub reset_at {
1348	my ($self) = @_;	1573	my ($self) = @_;
1349		1574
1350	# TODO: safety, remove and allow resettable per-player maps	1575	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1577	return 1e99 if $self->{deny_reset};
1353		1578
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1581
…		…
1361	my ($self) = @_;	1586	my ($self) = @_;
1362		1587
1363	$self->reset_at <= $cf::RUNTIME	1588	$self->reset_at <= $cf::RUNTIME
1364	}	1589	}
1365		1590
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1591	sub reset {
1388	my ($self) = @_;	1592	my ($self) = @_;
1389		1593
		1594	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1595
1390	return if $self->players;	1596	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1597	return if $self->isa ("ext::map_per_player");#d#
1392		1598
1393	warn "resetting map ", $self->path;#d#	1599	warn "resetting map ", $self->path;#d#
1394		1600
1395	delete $cf::MAP{$self->path};	1601	delete $cf::MAP{$self->path};
		1602
		1603	$self->in_memory (cf::MAP_SWAPPED);
		1604	$self->clear;
1396		1605
1397	$_->clear_links_to ($self) for values %cf::MAP;	1606	$_->clear_links_to ($self) for values %cf::MAP;
1398		1607
1399	$self->unlink_save;	1608	$self->unlink_save;
1400	$self->destroy;	1609	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1612	my $nuke_counter = "aaaa";
1404		1613
1405	sub nuke {	1614	sub nuke {
1406	my ($self) = @_;	1615	my ($self) = @_;
1407		1616
		1617	delete $cf::MAP{$self->path};
		1618
		1619	$self->unlink_save;
		1620
		1621	bless $self, "cf::map";
		1622	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1623	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1624	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1626
		1627	$cf::MAP{$self->path} = $self;
		1628
1411	$self->reset; # polite request, might not happen	1629	$self->reset; # polite request, might not happen
1412	}	1630	}
1413		1631
1414	sub customise_for {	1632	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1633
1417	if ($map->per_player) {	1634	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1635	instantiated unique items. May block.
1419	}
1420		1636
1421	$map	1637	=cut
1422	}
1423		1638
1424	sub emergency_save {	1639	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1641	or return;
1426		1642
1427	warn "enter emergency map save\n";	1643	my @paths;
1428		1644
1429	cf::sync_job {	1645	for (@$files) {
1430	warn "begin emergency map save\n";	1646	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1647	next if /\.pst$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise $_;
1432	};	1651	}
1433		1652
1434	warn "end emergency map save\n";	1653	\@paths
1435	}	1654	}
1436		1655
1437	package cf;	1656	package cf;
1438		1657
1439	=back	1658	=back
1440		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
1441		1686
1442	=head3 cf::object::player	1687	=head3 cf::object::player
1443		1688
1444	=over 4	1689	=over 4
1445		1690
…		…
1485		1730
1486	=item $player_object->enter_link	1731	=item $player_object->enter_link
1487		1732
1488	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}>).
1489		1734
1490	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
1491	I<MUST> call C<leave_link> as soon as possible, though.	1736	I<MUST> call C<leave_link> as soon as possible, though.
1492		1737
		1738	Will never block.
		1739
1493	=item $player_object->leave_link ($map, $x, $y)	1740	=item $player_object->leave_link ($map, $x, $y)
1494		1741
1495	Moves the player out of the specila link map onto the given map. If the	1742	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1743	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1744	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1745	fails, to the emergency map position.
1499		1746
1500	Might block.	1747	Might block.
1501		1748
1502	=cut	1749	=cut
		1750
		1751	sub link_map {
		1752	unless ($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	$LINK_MAP
		1759	}
1503		1760
1504	sub cf::object::player::enter_link {	1761	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1762	my ($self) = @_;
1506		1763
1507	$self->deactivate_recursive;	1764	$self->deactivate_recursive;
1508		1765
1509	return if $self->map == $LINK_MAP;	1766	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1767
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1769	if $self->map;
1513		1770
1514	$self->enter_map ($LINK_MAP, 20, 20);	1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1772	}
1516		1773
1517	sub cf::object::player::leave_link {	1774	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1775	my ($self, $map, $x, $y) = @_;
1519		1776
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1794	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1795	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1796	if $x <=0 && $y <= 0;
1540		1797
1541	$map->load;	1798	$map->load;
		1799	$map->load_diag;
1542		1800
		1801	return unless $self->contr->active;
1543	$self->activate_recursive;	1802	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1803	$self->enter_map ($map, $x, $y);
1545	}	1804	}
1546		1805
1547	cf::player->attach (	1806	cf::player->attach (
…		…
1560		1819
1561	# try to abort aborted map switching on player login :)	1820	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1821	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1822	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1823	$pl->ob->enter_link;
1565	cf::async {	1824	(async {
1566	# 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
1567	# 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);
1568	Coro::Timer::sleep 1;	1831	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1832	$pl->ob->leave_link;
1570	};	1833	})->prio (2);
1571	}	1834	}
1572	},	1835	},
1573	);	1836	);
1574		1837
1575	=item $player_object->goto_map ($path, $x, $y)	1838	=item $player_object->goto ($path, $x, $y)
1576		1839
1577	=cut	1840	=cut
1578		1841
1579	sub cf::object::player::goto_map {	1842	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1843	my ($self, $path, $x, $y) = @_;
1581		1844
1582	$self->enter_link;	1845	$self->enter_link;
1583		1846
1584	(cf::async {	1847	(async {
1585	$path = new cf::path $path;	1848	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1849	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1850	$map = $map->customise_for ($self) if $map;
1589		1851	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1852	} or
1591	# if $map;
1592
1593	$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);
1594		1854
1595	$self->leave_link ($map, $x, $y);	1855	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1856	})->prio (1);
1597	}	1857	}
1598		1858
…		…
1602		1862
1603	sub parse_random_map_params {	1863	sub parse_random_map_params {
1604	my ($spec) = @_;	1864	my ($spec) = @_;
1605		1865
1606	my $rmp = { # defaults	1866	my $rmp = { # defaults
1607	xsize => 10,	1867	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1868	ysize => (cf::rndm 15, 40),
		1869	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1870	#layout => string,
1609	};	1871	};
1610		1872
1611	for (split /\n/, $spec) {	1873	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1874	my ($k, $v) = split /\s+/, $_, 2;
1613		1875
…		…
1617	$rmp	1879	$rmp
1618	}	1880	}
1619		1881
1620	sub prepare_random_map {	1882	sub prepare_random_map {
1621	my ($exit) = @_;	1883	my ($exit) = @_;
		1884
		1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1886
1623	# all this does is basically replace the /! path by	1887	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1888	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1889	# that depends on the exit object
1626		1890
1627	my $rmp = parse_random_map_params $exit->msg;	1891	my $rmp = parse_random_map_params $exit->msg;
1628		1892
1629	if ($exit->map) {	1893	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1894	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1895	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1896	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1897	$rmp->{origin_y} = $exit->y;
1634	}	1898	}
1635		1899
1636	$rmp->{random_seed} ||= $exit->random_seed;	1900	$rmp->{random_seed} ||= $exit->random_seed;
1637		1901
1638	my $data = cf::to_json $rmp;	1902	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1903	my $md5 = Digest::MD5::md5_hex $data;
		1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1905
1641	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) {
1642	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;
1643		1910
1644	$exit->slaying ("?random/$md5");	1911	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1912	$exit->msg (undef);
1646	}	1913	}
1647	}	1914	}
…		…
1649	sub cf::object::player::enter_exit {	1916	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1917	my ($self, $exit) = @_;
1651		1918
1652	return unless $self->type == cf::PLAYER;	1919	return unless $self->type == cf::PLAYER;
1653		1920
		1921	if ($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
1654	$self->enter_link;	1930	$self->enter_link;
1655		1931
1656	(cf::async {	1932	(async {
1657	$self->deactivate_recursive; # just to be sure	1933	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1934	unless (eval {
1659	prepare_random_map $exit	1935	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1936
1665	1;	1937	1;
1666	}) {	1938	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1939	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "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. "
1669	. "Please report this to the dungeon master",	1941	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1942	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1943
1672	warn "ERROR in enter_exit: $@";	1944	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1945	$self->leave_link;
1674	}	1946	}
…		…
1742	}	2014	}
1743	}	2015	}
1744	},	2016	},
1745	);	2017	);
1746		2018
1747	=item $client->coro (\&cb)	2019	=item $client->async (\&cb)
1748		2020
1749	Create a new coroutine, running the specified callback. The coroutine will	2021	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2022	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2023	or loss of connection).
1752		2024
1753	=cut	2025	=cut
1754		2026
1755	sub cf::client::coro {	2027	sub cf::client::async {
1756	my ($self, $cb) = @_;	2028	my ($self, $cb) = @_;
1757		2029
1758	my $coro = &cf::async ($cb);	2030	my $coro = &Coro::async ($cb);
1759		2031
1760	$coro->on_destroy (sub {	2032	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2033	delete $self->{_coro}{$coro+0};
1762	});	2034	});
1763		2035
…		…
1957	sub db_sync() {	2229	sub db_sync() {
1958	db_save if $dirty;	2230	db_save if $dirty;
1959	undef $dirty;	2231	undef $dirty;
1960	}	2232	}
1961		2233
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2234	my $idle = Event->idle (
1963	db_sync;	2235	reentrant => 0,
		2236	min => 10,
		2237	max => 20,
		2238	repeat => 0,
		2239	data => WF_AUTOCANCEL,
		2240	cb => \&db_sync,
1964	});	2241	);
1965		2242
1966	sub db_dirty() {	2243	sub db_dirty() {
1967	$dirty = 1;	2244	$dirty = 1;
1968	$idle->start;	2245	$idle->start;
1969	}	2246	}
…		…
2001	local $/;	2278	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2279	*CFG = YAML::Syck::Load <$fh>;
2003		2280
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		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
2006	if (exists $CFG{mlockall}) {	2286	if (exists $CFG{mlockall}) {
2007	eval {	2287	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2288	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2289	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2290	};
2011	warn $@ if $@;	2291	warn $@ if $@;
2012	}	2292	}
2013	}	2293	}
2014		2294
2015	sub main {	2295	sub main {
2016	# we must not ever block the main coroutine	2296	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2297	local $Coro::idle = sub {
2018	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#
2019	(Coro::unblock_sub {	2299	(async {
2020	Event::one_event;	2300	Event::one_event;
2021	})->();	2301	})->prio (Coro::PRIO_MAX);
2022	};	2302	};
2023		2303
2024	cfg_load;	2304	cfg_load;
2025	db_load;	2305	db_load;
2026	load_extensions;	2306	load_extensions;
		2307
		2308	$TICK_WATCHER->start;
2027	Event::loop;	2309	Event::loop;
2028	}	2310	}
2029		2311
2030	#############################################################################	2312	#############################################################################
2031	# 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	$map->save;
		2352	}
		2353	warn "end emergency map save\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2032		2358
2033	sub reload() {	2359	sub reload() {
2034	# can/must only be called in main	2360	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2037	return;	2363	return;
2038	}	2364	}
2039		2365
2040	warn "reloading...";	2366	warn "reloading...";
2041		2367
2042	my $guard = freeze_mainloop;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2043	cf::emergency_save;	2371	cf::emergency_save;
2044		2372
2045	eval {	2373	eval {
2046	# 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
2047		2375
2048	# cancel all watchers	2376	warn "syncing database to disk";
		2377	cf::db_sync;
		2378
		2379	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2380	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2382	}
2052		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
2053	# cancel all extension coros	2392	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2393	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2394	%EXT_CORO = ();
2056		2395
2057	# unload all extensions	2396	warn "removing commands";
2058	for (@exts) {	2397	%COMMAND = ();
		2398
		2399	warn "removing ext commands";
		2400	%EXTCMD = ();
		2401
		2402	warn "unloading/nuking all extensions";
		2403	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2404	warn "... unloading $pkg";
2060	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: $@";
2061	}	2411	}
2062		2412
		2413	warn "... nuking $pkg";
		2414	Symbol::delete_package $pkg;
		2415	}
		2416
2063	# unload all modules loaded from $LIBDIR	2417	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2418	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2420
2067	warn "removing <$k>";	2421	warn "... unloading $k";
2068	delete $INC{$k};	2422	delete $INC{$k};
2069		2423
2070	$k =~ s/\.pm$//;	2424	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2425	$k =~ s/\//::/g;
2072		2426
…		…
2075	}	2429	}
2076		2430
2077	Symbol::delete_package $k;	2431	Symbol::delete_package $k;
2078	}	2432	}
2079		2433
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2434	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2435	Symbol::delete_package "safe::$_"
2086	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);
2087		2437
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2438	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2439	delete $INC{"cf.pm"};
2093		2440
2094	# don't, removes xs symbols, too,	2441	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2442	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2443	#Symbol::delete_package __PACKAGE__;
2097		2444
2098	# reload cf.pm	2445	warn "unload completed, starting to reload now";
		2446
2099	warn "reloading cf.pm";	2447	warn "reloading cf.pm";
2100	require cf;	2448	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2450
2103	# load config and database again	2451	warn "loading config and database again";
2104	cf::cfg_load;	2452	cf::cfg_load;
2105	cf::db_load;	2453	cf::db_load;
2106		2454
2107	# load extensions
2108	warn "load extensions";	2455	warn "loading extensions";
2109	cf::load_extensions;	2456	cf::load_extensions;
2110		2457
2111	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "restarting server ticker";
		2464
		2465	$TICK_WATCHER->start;
2114	};	2466	};
2115		2467
2116	if ($@) {	2468	if ($@) {
2117	warn $@;	2469	warn $@;
2118	warn "error while reloading, exiting.";	2470	warn "error while reloading, exiting.";
2119	exit 1;	2471	exit 1;
2120	}	2472	}
2121		2473
2122	warn "reloaded successfully";	2474	warn "reloaded";
2123	};	2475	};
2124		2476
2125	#############################################################################	2477	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2478
2170	register_command "reload" => sub {	2479	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2480	my ($who, $arg) = @_;
2172		2481
2173	if ($who->flag (FLAG_WIZ)) {	2482	if ($who->flag (FLAG_WIZ)) {
2174	$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 {
2175	reload;	2493	reload;
2176	$who->message ("end of reload.");	2494	undef $RELOAD_WATCHER;
		2495	},
		2496	);
2177	}	2497	}
2178	};	2498	};
2179		2499
2180	unshift @INC, $LIBDIR;	2500	unshift @INC, $LIBDIR;
		2501
		2502	my $bug_warning = 0;
2181		2503
2182	$TICK_WATCHER = Event->timer (	2504	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2505	reentrant => 0,
		2506	parked => 1,
2184	prio => 0,	2507	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2508	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2187	cb => sub {	2510	cb => sub {
		2511	if ($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
2188	cf::server_tick; # one server iteration	2519	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2520	$RUNTIME += $TICK;
2190	$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#
2191		2531
2192	# 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
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2534
2195	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2197	},	2537	},
2198	);	2538	);
2199		2539
2200	IO::AIO::max_poll_time $TICK * 0.2;	2540	IO::AIO::max_poll_time $TICK * 0.1;
2201		2541
2202	Event->io (	2542	undef $Coro::AIO::WATCHER;
		2543	$AIO_POLL_WATCHER = Event->io (
		2544	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2545	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2546	poll => 'r',
2205	prio => 5,	2547	prio => 6,
2206	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2549	cb => \&IO::AIO::poll_cb,
2208	);	2550	);
2209		2551
2210	Event->timer (	2552	$WRITE_RUNTIME_WATCHER = Event->timer (
		2553	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2554	data => WF_AUTOCANCEL,
2212	after => 0,	2555	after => 1,
2213	interval => 10,	2556	interval => 10,
2214	cb => sub {	2557	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2558	cb => Coro::unblock_sub {
2216	write_runtime	2559	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2560	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2561	},
2220	);	2562	);
2221		2563
2222	END { cf::emergency_save }	2564	END { cf::emergency_save }
2223		2565

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines