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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		87
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	88	sub cf::map::normalise;
78		89
79	#############################################################################	90	#############################################################################
80		91
81	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
82		93
…		…
106		117
107	=item %cf::CFG	118	=item %cf::CFG
108		119
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
111		129
112	=back	130	=back
113		131
114	=cut	132	=cut
115		133
…		…
119	utf8::encode $msg;	137	utf8::encode $msg;
120		138
121	$msg .= "\n"	139	$msg .= "\n"
122	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
123		141
124	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
125	};	143	};
126	}	144	}
127		145
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		165
148	$Event::DIED = sub {	166	$Event::DIED = sub {
149	warn "error in event callback: @_";	167	warn "error in event callback: @_";
150	};	168	};
151		169
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
157		171
158	=over 4	172	=over 4
159		173
		174	=item dumpval $ref
		175
160	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
161		196
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		198
164	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
165		200
…		…
181	sub to_json($) {	216	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
184	}	219	}
185		220
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	221	=item cf::lock_wait $string
209		222
210	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
211		224
212	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
213		226
214	Wait until the given lock is available and then acquires it and returns	227	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
217	returned.	230	returned.
218		231
219	Lock names should begin with a unique identifier (for example, find_map	232	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	233	uses map_find and cf::map::load uses map_load).
221		234
222	=cut	235	=cut
223		236
224	our %LOCK;	237	our %LOCK;
225		238
…		…
239	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
240	lock_wait $key;	253	lock_wait $key;
241		254
242	$LOCK{$key} = [];	255	$LOCK{$key} = [];
243		256
244	cf::guard {	257	Coro::guard {
245	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
247	}	260	}
248	}	261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
269		304
270	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	306	# (but this is cancel-safe)
272	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		341
313	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
315	});	344	});
316	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
323		352
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	354	or return;
326		355
		356	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	361	and return;
330		362
331	aio_fsync $fh	363	aio_fsync $fh
332	and return;	364	and return;
…		…
341	}	373	}
342		374
343	=back	375	=back
344		376
345	=cut	377	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		378
467	#############################################################################	379	#############################################################################
468		380
469	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
470		382
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	509	our @CB_MAP = ();
598		510
599	my %attachment;	511	my %attachment;
600		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
601	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
603		521
604	use sort 'stable';	522	use sort 'stable';
605		523
…		…
776	# object support	694	# object support
777		695
778	sub reattach {	696	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		701
782	my $registry = $obj->registry;	702	my $registry = $obj->registry;
783		703
784	@$registry = ();	704	@$registry = ();
785		705
…		…
856	}	776	}
857	} else {	777	} else {
858	aio_unlink $filename;	778	aio_unlink $filename;
859	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
860	}	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	}
861	}	787	}
862	}	788	}
863		789
864	sub object_freezer_as_string {	790	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
871		797
872	sub object_thawer_load {	798	sub object_thawer_load {
873	my ($filename) = @_;	799	my ($filename) = @_;
874		800
875	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$//;
876		805
877	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
878	or return;	807	or return;
879		808
880	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
…		…
917	=cut	846	=cut
918		847
919	sub register_extcmd {	848	sub register_extcmd {
920	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
921		850
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
926	}	852	}
927		853
928	cf::player->attach (	854	cf::player->attach (
929	on_command => sub {	855	on_command => sub {
930	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
943		869
944	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
945		871
946	if (ref $msg) {	872	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	876	}
951	}	877	}
952	} else {	878	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		881
956	cf::override;	882	cf::override;
957	},	883	},
958	);	884	);
959		885
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	886	sub load_extension {
967	my ($path) = @_;	887	my ($path) = @_;
968		888
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	890	my $base = $1;
971	my $pkg = $1;	891	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
974		894
975	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
976		896
977	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
978	or die "$path: $!";	898	or die "$path: $!";
979		899
980	my $source =	900	my $source =
981	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
984	. "\n};\n1";	904	. "\n};\n1";
985		905
986	eval $source	906	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	908	: "extension disabled.\n";
989		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	910	warn $@;
991	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
992		912	exit 1;
993	# no strict 'refs';	913	}
994	# @{"$pkg\::ISA"} = ext::;	914	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	915	}
1009		916
1010	# remove commands	917	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	918	}
1035		919
1036	sub load_extensions {	920	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	922	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1043	}	927	}
1044	}	928	}
1045		929
1046	#############################################################################	930	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		931
1084	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1085		933
1086	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1087		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1088	=head3 cf::player	942	=head3 cf::player
1089		943
1090	=over 4	944	=over 4
1091		945
1092	=item cf::player::exists $login	946	=item cf::player::find $login
1093		947
1094	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1095		949
1096	=cut	950	=cut
1097		951
1098	sub cf::player::exists($) {	952	sub playerdir($) {
1099	cf::player::find $_[0]	953	cf::localdir
1100	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	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1101	}	1100	}
1102		1101
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1103
1105	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1106		1105
1107	=cut	1106	=cut
1108		1107
1109	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1111		1110
1112	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1113		1112
1114	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1115	}	1114	}
		1115
		1116	package cf;
1116		1117
1117	=back	1118	=back
1118		1119
1119		1120
1120	=head3 cf::map	1121	=head3 cf::map
…		…
1126	package cf::map;	1127	package cf::map;
1127		1128
1128	use Fcntl;	1129	use Fcntl;
1129	use Coro::AIO;	1130	use Coro::AIO;
1130		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1131	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1133		1138
1134	sub generate_random_map {	1139	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1142	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1284	}
1152		1285
1153	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1154	# all maps in C++...	1287	# all maps in C++...
1155	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1157		1290
1158	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1160	}	1293	}
1161		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
1162	sub try_load_header($) {	1308	sub load_header_from($) {
1163	my ($path) = @_;	1309	my ($self, $path) = @_;
1164		1310
1165	utf8::encode $path;	1311	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
1167	or return;	1316	or return;
1168		1317
1169	my $map = cf::map::new	1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
1170	or return;	1361	or return;
		1362	$self->prepare_orig;
		1363	}
1171		1364
1172	$map->load_header ($path)	1365	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1366	}
1179		1367
		1368	sub find;
1180	sub find_map {	1369	sub find {
1181	my ($path, $origin) = @_;	1370	my ($path, $origin) = @_;
1182		1371
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1372	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1373
1188	cf::lock_wait "map_find:$key";	1374	cf::lock_wait "map_find:$path";
1189		1375
1190	$cf::MAP{$key} || do {	1376	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1377	my $guard = cf::lock_acquire "map_find:$path";
1192		1378	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1379	or return;
1208		1380
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1382
1222	if ($map->should_reset) {	1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1389	$map->reset;
1224	undef $guard;	1390	undef $guard;
1225	$map = find_map $path;	1391	return find $path;
1226	}	1392	}
1227		1393
1228	$cf::MAP{$key} = $map	1394	$cf::MAP{$path} = $map
1229	}	1395	}
1230	}	1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
1231		1400
1232	sub load {	1401	sub load {
1233	my ($self) = @_;	1402	my ($self) = @_;
1234		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
1235	my $path = $self->{path};	1406	my $path = $self->{path};
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1407	my $guard = cf::lock_acquire "map_load:$path";
1237		1408
1238	return if $self->in_memory != cf::MAP_SWAPPED;	1409	return if $self->in_memory != cf::MAP_SWAPPED;
1239		1410
1240	$self->in_memory (cf::MAP_LOADING);	1411	$self->in_memory (cf::MAP_LOADING);
1241		1412
1242	$self->alloc;	1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
1243	$self->load_objects ($self->{load_path}, 1)	1417	$self->_load_objects ($self->{load_path}, 1)
1244	or return;	1418	or return;
1245		1419
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1247	if delete $self->{load_original};	1421	if delete $self->{load_original};
1248		1422
1249	if (my $uniq = $path->uniq_path) {	1423	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	1424	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	1425	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1426	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1427	$self->_load_objects ($uniq, 0);
1254	}	1428	}
1255	}	1429	}
		1430
		1431	Coro::cede;
1256		1432
1257	# now do the right thing for maps	1433	# now do the right thing for maps
1258	$self->link_multipart_objects;	1434	$self->link_multipart_objects;
1259		1435
1260	if ($self->{path}->is_style_map) {	1436	unless ($self->{deny_activate}) {
1261	$self->{deny_save} = 1;	1437	$self->decay_objects;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;	1438	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;	1439	$self->update_buttons;
		1440	Coro::cede;
1267	$self->set_darkness_map;	1441	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	1442	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1443	unless $self->difficulty;
		1444	Coro::cede;
1270	$self->activate;	1445	$self->activate;
1271	}	1446	}
1272		1447
		1448	$self->post_load;
		1449
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1450	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1451	}
1275		1452
1276	sub load_map_sync {	1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
		1464	my ($map) = @_;
		1465
		1466	my @diag; # diagonal neighbours
		1467
		1468	for (0 .. 3) {
		1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
		1474
		1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
		1478
		1479	for (@diag) {
		1480	my $neigh = find @$_
		1481	or next;
		1482	$neigh->load;
		1483	}
		1484	}
		1485
		1486	sub find_sync {
1277	my ($path, $origin) = @_;	1487	my ($path, $origin) = @_;
1278		1488
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1489	cf::sync_job { find $path, $origin }
		1490	}
1280		1491
1281	cf::sync_job {	1492	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1493	my ($map) = @_;
1283	or return;	1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
1284	$map->load;	1516	$map->load;
1285	$map	1517
		1518	delete $MAP_PREFETCH{$path};
		1519	}
		1520	}
		1521	undef $MAP_PREFETCHER;
1286	}	1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
1287	}	1526	}
1288		1527
1289	sub save {	1528	sub save {
1290	my ($self) = @_;	1529	my ($self) = @_;
1291		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
1292	$self->{last_save} = $cf::RUNTIME;	1533	$self->{last_save} = $cf::RUNTIME;
1293		1534
1294	return unless $self->dirty;	1535	return unless $self->dirty;
1295		1536
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1537	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1539
1299	$self->{load_path} = $save;	1540	$self->{load_path} = $save;
1300		1541
1301	return if $self->{deny_save};	1542	return if $self->{deny_save};
1302		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
1303	if ($uniq) {	1550	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1553	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}	1555	}
1309	}	1556	}
1310		1557
1311	sub swap_out {	1558	sub swap_out {
1312	my ($self) = @_;	1559	my ($self) = @_;
		1560
		1561	# save first because save cedes
		1562	$self->save;
		1563
		1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
1313		1565
1314	return if $self->players;	1566	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1568	return if $self->{deny_save};
1317		1569
1318	$self->save;
1319	$self->clear;	1570	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1571	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1572	}
1322		1573
1323	sub reset_at {	1574	sub reset_at {
1324	my ($self) = @_;	1575	my ($self) = @_;
1325		1576
1326	# TODO: safety, remove and allow resettable per-player maps	1577	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};	1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1328	return 1e99 if $self->{deny_reset};	1579	return 1e99 if $self->{deny_reset};
1329		1580
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		1583
…		…
1337	my ($self) = @_;	1588	my ($self) = @_;
1338		1589
1339	$self->reset_at <= $cf::RUNTIME	1590	$self->reset_at <= $cf::RUNTIME
1340	}	1591	}
1341		1592
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	1593	sub reset {
1364	my ($self) = @_;	1594	my ($self) = @_;
1365		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
1366	return if $self->players;	1598	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1599	return if $self->isa ("ext::map_per_player");#d#
1368		1600
1369	warn "resetting map ", $self->path;#d#	1601	warn "resetting map ", $self->path;#d#
1370		1602
1371	delete $cf::MAP{$self->path};	1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
1372		1607
1373	$_->clear_links_to ($self) for values %cf::MAP;	1608	$_->clear_links_to ($self) for values %cf::MAP;
1374		1609
1375	$self->unlink_save;	1610	$self->unlink_save;
1376	$self->destroy;	1611	$self->destroy;
…		…
1379	my $nuke_counter = "aaaa";	1614	my $nuke_counter = "aaaa";
1380		1615
1381	sub nuke {	1616	sub nuke {
1382	my ($self) = @_;	1617	my ($self) = @_;
1383		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
1384	$self->{deny_save} = 1;	1625	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	1626	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
1387	$self->reset; # polite request, might not happen	1631	$self->reset; # polite request, might not happen
1388	}	1632	}
1389		1633
1390	sub customise_for {	1634	=item cf::map::unique_maps
1391	my ($map, $ob) = @_;
1392		1635
1393	if ($map->per_player) {	1636	Returns an arrayref of paths of all shared maps that have
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	instantiated unique items. May block.
1395	}
1396		1638
1397	$map	1639	=cut
1398	}
1399		1640
1400	sub emergency_save {	1641	sub unique_maps() {
1401	local $cf::FREEZE = 1;	1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
1402		1644
1403	warn "enter emergency map save\n";	1645	my @paths;
1404		1646
1405	cf::sync_job {	1647	for (@$files) {
1406	warn "begin emergency map save\n";	1648	utf8::decode $_;
1407	$_->save for values %cf::MAP;	1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
1408	};	1653	}
1409		1654
1410	warn "end emergency map save\n";	1655	\@paths
1411	}	1656	}
1412		1657
1413	package cf;	1658	package cf;
1414		1659
1415	=back	1660	=back
1416		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
		1667
		1668	=over 4
		1669
		1670	=item $ob->inv_recursive
		1671
		1672	Returns the inventory of the object _and_ their inventories, recursively.
		1673
		1674	=cut
		1675
		1676	sub inv_recursive_;
		1677	sub inv_recursive_ {
		1678	map { $_, inv_recursive_ $_->inv } @_
		1679	}
		1680
		1681	sub inv_recursive {
		1682	inv_recursive_ inv $_[0]
		1683	}
		1684
		1685	package cf;
		1686
		1687	=back
1417		1688
1418	=head3 cf::object::player	1689	=head3 cf::object::player
1419		1690
1420	=over 4	1691	=over 4
1421		1692
…		…
1461		1732
1462	=item $player_object->enter_link	1733	=item $player_object->enter_link
1463		1734
1464	Freezes the player and moves him/her to a special map (C<{link}>).	1735	Freezes the player and moves him/her to a special map (C<{link}>).
1465		1736
1466	The player should be reaosnably safe there for short amounts of time. You	1737	The player should be reasonably safe there for short amounts of time. You
1467	I<MUST> call C<leave_link> as soon as possible, though.	1738	I<MUST> call C<leave_link> as soon as possible, though.
1468		1739
		1740	Will never block.
		1741
1469	=item $player_object->leave_link ($map, $x, $y)	1742	=item $player_object->leave_link ($map, $x, $y)
1470		1743
1471	Moves the player out of the specila link map onto the given map. If the	1744	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	1745	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	1746	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	1747	fails, to the emergency map position.
1475		1748
1476	Might block.	1749	Might block.
1477		1750
1478	=cut	1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
1479		1762
1480	sub cf::object::player::enter_link {	1763	sub cf::object::player::enter_link {
1481	my ($self) = @_;	1764	my ($self) = @_;
1482		1765
1483	$self->deactivate_recursive;	1766	$self->deactivate_recursive;
1484		1767
1485	return if $self->map == $LINK_MAP;	1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		1769
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	1771	if $self->map;
1489		1772
1490	$self->enter_map ($LINK_MAP, 20, 20);	1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	1774	}
1492		1775
1493	sub cf::object::player::leave_link {	1776	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	1777	my ($self, $map, $x, $y) = @_;
1495		1778
1496	my $link_pos = delete $self->{_link_pos};	1779	my $link_pos = delete $self->{_link_pos};
1497		1780
1498	unless ($map) {	1781	unless ($map) {
1499	# restore original map position	1782	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1783	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1784	$map = cf::map::find $map;
1502		1785
1503	unless ($map) {	1786	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1787	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1788	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1789	or die "FATAL: cannot load emergency map\n";
1507	}	1790	}
1508	}	1791	}
1509		1792
1510	($x, $y) = (-1, -1)	1793	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1796	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1797	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1798	if $x <=0 && $y <= 0;
1516		1799
1517	$map->load;	1800	$map->load;
		1801	$map->load_diag;
1518		1802
		1803	return unless $self->contr->active;
1519	$self->activate_recursive;	1804	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1805	$self->enter_map ($map, $x, $y);
1521	}	1806	}
1522		1807
1523	cf::player->attach (	1808	cf::player->attach (
…		…
1536		1821
1537	# try to abort aborted map switching on player login :)	1822	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1823	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1824	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1825	$pl->ob->enter_link;
1541	Coro::async {	1826	(async {
1542	# we need this sleep as the login has a concurrent enter_exit running	1827	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
1544	Coro::Timer::sleep 1;	1833	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1834	$pl->ob->leave_link;
1546	};	1835	})->prio (2);
1547	}	1836	}
1548	},	1837	},
1549	);	1838	);
1550		1839
1551	=item $player_object->goto_map ($path, $x, $y)	1840	=item $player_object->goto ($path, $x, $y)
1552		1841
1553	=cut	1842	=cut
1554		1843
1555	sub cf::object::player::goto_map {	1844	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1845	my ($self, $path, $x, $y) = @_;
1557		1846
1558	$self->enter_link;	1847	$self->enter_link;
1559		1848
1560	(Coro::async {	1849	(async {
1561	$path = new cf::path $path;	1850	my $map = eval {
1562
1563	my $map = cf::map::find_map $path->as_string;	1851	my $map = cf::map::find $path;
1564	$map = $map->customise_for ($self) if $map;	1852	$map = $map->customise_for ($self) if $map;
1565		1853	$map
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1854	} or
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1856
1571	$self->leave_link ($map, $x, $y);	1857	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1858	})->prio (1);
1573	}	1859	}
1574		1860
…		…
1578		1864
1579	sub parse_random_map_params {	1865	sub parse_random_map_params {
1580	my ($spec) = @_;	1866	my ($spec) = @_;
1581		1867
1582	my $rmp = { # defaults	1868	my $rmp = { # defaults
1583	xsize => 10,	1869	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
1585	};	1873	};
1586		1874
1587	for (split /\n/, $spec) {	1875	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	1876	my ($k, $v) = split /\s+/, $_, 2;
1589		1877
…		…
1593	$rmp	1881	$rmp
1594	}	1882	}
1595		1883
1596	sub prepare_random_map {	1884	sub prepare_random_map {
1597	my ($exit) = @_;	1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1598		1888
1599	# all this does is basically replace the /! path by	1889	# all this does is basically replace the /! path by
1600	# a new random map path (?random/...) with a seed	1890	# a new random map path (?random/...) with a seed
1601	# that depends on the exit object	1891	# that depends on the exit object
1602		1892
1603	my $rmp = parse_random_map_params $exit->msg;	1893	my $rmp = parse_random_map_params $exit->msg;
1604		1894
1605	if ($exit->map) {	1895	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	1896	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	1897	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	1898	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	1899	$rmp->{origin_y} = $exit->y;
1610	}	1900	}
1611		1901
1612	$rmp->{random_seed} ||= $exit->random_seed;	1902	$rmp->{random_seed} ||= $exit->random_seed;
1613		1903
1614	my $data = cf::to_json $rmp;	1904	my $data = cf::to_json $rmp;
1615	my $md5 = Digest::MD5::md5_hex $data;	1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1616		1907
1617	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1618	aio_write $fh, 0, (length $data), $data, 0;	1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
1619		1912
1620	$exit->slaying ("?random/$md5");	1913	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	1914	$exit->msg (undef);
1622	}	1915	}
1623	}	1916	}
…		…
1625	sub cf::object::player::enter_exit {	1918	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	1919	my ($self, $exit) = @_;
1627		1920
1628	return unless $self->type == cf::PLAYER;	1921	return unless $self->type == cf::PLAYER;
1629		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
1630	$self->enter_link;	1932	$self->enter_link;
1631		1933
1632	(Coro::async {	1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1936	unless (eval {
1634		1937	$self->goto ($slaying, $hp, $sp);
1635	prepare_random_map $exit
1636	if $exit->slaying eq "/!";
1637
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1640		1938
1641	1;	1939	1;
1642	}) {	1940	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1941	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1942	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1943	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1944	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1945
1648	warn "ERROR in enter_exit: $@";	1946	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1947	$self->leave_link;
1650	}	1948	}
…		…
1701	on_reply => sub {	1999	on_reply => sub {
1702	my ($ns, $msg) = @_;	2000	my ($ns, $msg) = @_;
1703		2001
1704	# this weird shuffling is so that direct followup queries	2002	# this weird shuffling is so that direct followup queries
1705	# get handled first	2003	# get handled first
1706	my $queue = delete $ns->{query_queue};	2004	my $queue = delete $ns->{query_queue}
		2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		2006
1708	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		2009
1710	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1711		2011
1712	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	2013	if (@$queue) {
…		…
1717	}	2017	}
1718	}	2018	}
1719	},	2019	},
1720	);	2020	);
1721		2021
1722	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1723		2023
1724	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	2026	or loss of connection).
1727		2027
1728	=cut	2028	=cut
1729		2029
1730	sub cf::client::coro {	2030	sub cf::client::async {
1731	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1732		2032
1733	my $coro; $coro = async {	2033	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		2034
1740	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1742	});	2037	});
1743		2038
…		…
1937	sub db_sync() {	2232	sub db_sync() {
1938	db_save if $dirty;	2233	db_save if $dirty;
1939	undef $dirty;	2234	undef $dirty;
1940	}	2235	}
1941		2236
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1943	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1944	});	2244	);
1945		2245
1946	sub db_dirty() {	2246	sub db_dirty() {
1947	$dirty = 1;	2247	$dirty = 1;
1948	$idle->start;	2248	$idle->start;
1949	}	2249	}
…		…
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2278	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2279	or return;
1980		2280
1981	local $/;	2281	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2282	*CFG = YAML::Syck::Load <$fh>;
		2283
		2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2285
		2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2288
		2289	if (exists $CFG{mlockall}) {
		2290	eval {
		2291	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2292	and die "WARNING: m(un)lockall failed: $!\n";
		2293	};
		2294	warn $@ if $@;
		2295	}
1983	}	2296	}
1984		2297
1985	sub main {	2298	sub main {
1986	# we must not ever block the main coroutine	2299	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2300	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {	2302	(async {
1990	Event::one_event;	2303	Event::one_event;
1991	})->();	2304	})->prio (Coro::PRIO_MAX);
1992	};	2305	};
1993		2306
1994	cfg_load;	2307	cfg_load;
1995	db_load;	2308	db_load;
1996	load_extensions;	2309	load_extensions;
		2310
		2311	$TICK_WATCHER->start;
1997	Event::loop;	2312	Event::loop;
1998	}	2313	}
1999		2314
2000	#############################################################################	2315	#############################################################################
2001	# initialisation	2316	# initialisation and cleanup
		2317
		2318	# install some emergency cleanup handlers
		2319	BEGIN {
		2320	for my $signal (qw(INT HUP TERM)) {
		2321	Event->signal (
		2322	reentrant => 0,
		2323	data => WF_AUTOCANCEL,
		2324	signal => $signal,
		2325	prio => 0,
		2326	cb => sub {
		2327	cf::cleanup "SIG$signal";
		2328	},
		2329	);
		2330	}
		2331	}
		2332
		2333	sub emergency_save() {
		2334	my $freeze_guard = cf::freeze_mainloop;
		2335
		2336	warn "enter emergency perl save\n";
		2337
		2338	cf::sync_job {
		2339	# use a peculiar iteration method to avoid tripping on perl
		2340	# refcount bugs in for. also avoids problems with players
		2341	# and maps saved/destroyed asynchronously.
		2342	warn "begin emergency player save\n";
		2343	for my $login (keys %cf::PLAYER) {
		2344	my $pl = $cf::PLAYER{$login} or next;
		2345	$pl->valid or next;
		2346	$pl->save;
		2347	}
		2348	warn "end emergency player save\n";
		2349
		2350	warn "begin emergency map save\n";
		2351	for my $path (keys %cf::MAP) {
		2352	my $map = $cf::MAP{$path} or next;
		2353	$map->valid or next;
		2354	$map->save;
		2355	}
		2356	warn "end emergency map save\n";
		2357	};
		2358
		2359	warn "leave emergency perl save\n";
		2360	}
2002		2361
2003	sub reload() {	2362	sub reload() {
2004	# can/must only be called in main	2363	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2007	return;	2366	return;
2008	}	2367	}
2009		2368
2010	warn "reloading...";	2369	warn "reloading...";
2011		2370
2012	local $FREEZE = 1;	2371	warn "cancelling server ticker";
		2372	$TICK_WATCHER->cancel;
		2373
2013	cf::emergency_save;	2374	cf::emergency_save;
2014		2375
2015	eval {	2376	eval {
2016	# if anything goes wrong in here, we should simply crash as we already saved	2377	# if anything goes wrong in here, we should simply crash as we already saved
2017		2378
2018	# cancel all watchers	2379	warn "syncing database to disk";
		2380	cf::db_sync;
		2381
		2382	warn "cancelling all WF_AUTOCANCEL watchers";
2019	for (Event::all_watchers) {	2383	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2385	}
2022		2386
		2387	warn "flushing outstanding aio requests";
		2388	for (;;) {
		2389	IO::AIO::flush;
		2390	Coro::cede;
		2391	last unless IO::AIO::nreqs;
		2392	warn "iterate...";
		2393	}
		2394
2023	# cancel all extension coros	2395	warn "cancelling all extension coros";
2024	$_->cancel for values %EXT_CORO;	2396	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2397	%EXT_CORO = ();
2026		2398
2027	# unload all extensions	2399	warn "removing commands";
2028	for (@exts) {	2400	%COMMAND = ();
		2401
		2402	warn "removing ext commands";
		2403	%EXTCMD = ();
		2404
		2405	warn "unloading/nuking all extensions";
		2406	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2407	warn "... unloading $pkg";
2030	unload_extension $_;	2408
		2409	if (my $cb = $pkg->can ("unload")) {
		2410	eval {
		2411	$cb->($pkg);
		2412	1
		2413	} or warn "$pkg unloaded, but with errors: $@";
2031	}	2414	}
2032		2415
		2416	warn "... nuking $pkg";
		2417	Symbol::delete_package $pkg;
		2418	}
		2419
2033	# unload all modules loaded from $LIBDIR	2420	warn "unloading all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2421	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2423
2037	warn "removing <$k>";	2424	warn "... unloading $k";
2038	delete $INC{$k};	2425	delete $INC{$k};
2039		2426
2040	$k =~ s/\.pm$//;	2427	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;	2428	$k =~ s/\//::/g;
2042		2429
…		…
2045	}	2432	}
2046		2433
2047	Symbol::delete_package $k;	2434	Symbol::delete_package $k;
2048	}	2435	}
2049		2436
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2437	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2438	Symbol::delete_package "safe::$_"
2056	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2057		2440
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2441	warn "unloading cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2442	delete $INC{"cf.pm"};
2063		2443
2064	# don't, removes xs symbols, too,	2444	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2445	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2446	#Symbol::delete_package __PACKAGE__;
2067		2447
2068	# reload cf.pm	2448	warn "unload completed, starting to reload now";
		2449
2069	warn "reloading cf.pm";	2450	warn "reloading cf.pm";
2070	require cf;	2451	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2453
2073	# load config and database again	2454	warn "loading config and database again";
2074	cf::cfg_load;	2455	cf::cfg_load;
2075	cf::db_load;	2456	cf::db_load;
2076		2457
2077	# load extensions
2078	warn "load extensions";	2458	warn "loading extensions";
2079	cf::load_extensions;	2459	cf::load_extensions;
2080		2460
2081	# reattach attachments to objects	2461	warn "reattaching attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2462	_global_reattach;
		2463	warn "reattaching attachments to maps";
		2464	reattach $_ for values %MAP;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2084	};	2469	};
2085		2470
2086	if ($@) {	2471	if ($@) {
2087	warn $@;	2472	warn $@;
2088	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2089	exit 1;	2474	exit 1;
2090	}	2475	}
2091		2476
2092	warn "reloaded successfully";	2477	warn "reloaded";
2093	};	2478	};
2094		2479
2095	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}
2137
2138	register "<global>", __PACKAGE__;
2139		2481
2140	register_command "reload" => sub {	2482	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2142		2484
2143	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2145	reload;	2496	reload;
2146	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2147	}	2500	}
2148	};	2501	};
2149		2502
2150	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2151		2506
2152	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2153	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2154	prio => 0,	2510	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2157	cb => sub {	2513	cb => sub {
2158	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2159	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2161	}
2162
2163	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2164		2534
2165	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2537
2168	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2169	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2170	},	2540	},
2171	);	2541	);
2172		2542
2173	IO::AIO::max_poll_time $TICK * 0.2;	2543	IO::AIO::max_poll_time $TICK * 0.1;
2174		2544
2175	Event->io (	2545	undef $Coro::AIO::WATCHER;
		2546	$AIO_POLL_WATCHER = Event->io (
		2547	reentrant => 0,
2176	fd => IO::AIO::poll_fileno,	2548	fd => IO::AIO::poll_fileno,
2177	poll => 'r',	2549	poll => 'r',
2178	prio => 5,	2550	prio => 6,
2179	data => WF_AUTOCANCEL,	2551	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,	2552	cb => \&IO::AIO::poll_cb,
2181	);	2553	);
2182		2554
2183	Event->timer (	2555	$WRITE_RUNTIME_WATCHER = Event->timer (
		2556	reentrant => 0,
2184	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2185	after => 0,	2558	after => 1,
2186	interval => 10,	2559	interval => 10,
2187	cb => sub {	2560	prio => 6, # keep it lowest so it acts like a watchdog
2188	(Coro::unblock_sub {	2561	cb => Coro::unblock_sub {
2189	write_runtime	2562	write_runtime
2190	or warn "ERROR: unable to write runtime file: $!";	2563	or warn "ERROR: unable to write runtime file: $!";
2191	})->();
2192	},	2564	},
2193	);	2565	);
2194		2566
		2567	END { cf::emergency_save }
		2568
2195	1	2569	1
2196		2570

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