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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.204 by root, Fri Feb 2 19:59:22 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;
		53	our $USE_FSYNC; # use fsync to write maps - default off
46		54
47	our %CFG;	55	our %CFG;
48		56
49	our $UPTIME; $UPTIME ||= time;	57	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	58	our $RUNTIME;
51		59
		60	our %PLAYER; # all users
52	our %MAP; # all maps	61	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	62	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	63	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	64
		65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		67
		68	# used to convert map paths into valid unix filenames by replacing / by ∕
		69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		70
58	binmode STDOUT;	71	binmode STDOUT;
59	binmode STDERR;	72	binmode STDERR;
60		73
61	# read virtual server time, if available	74	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	82	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	83	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	84	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	85	mkdir $RANDOM_MAPS;
73		86
74	# a special map that is always available	87	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		88
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	89	sub cf::map::normalise;
78		90
79	#############################################################################	91	#############################################################################
80		92
81	=head2 GLOBAL VARIABLES	93	=head2 GLOBAL VARIABLES
82		94
…		…
106		118
107	=item %cf::CFG	119	=item %cf::CFG
108		120
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	121	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	122	from wherever your confdir points to.
		123
		124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		125
		126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		128	processing has been done. Call C<< ->wait >> on them to maximise the
		129	window of cpu time available, or simply to synchronise to the server tick.
111		130
112	=back	131	=back
113		132
114	=cut	133	=cut
115		134
…		…
119	utf8::encode $msg;	138	utf8::encode $msg;
120		139
121	$msg .= "\n"	140	$msg .= "\n"
122	unless $msg =~ /\n$/;	141	unless $msg =~ /\n$/;
123		142
124	LOG llevError, "cfperl: $msg";	143	LOG llevError, $msg;
125	};	144	};
126	}	145	}
127		146
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		166
148	$Event::DIED = sub {	167	$Event::DIED = sub {
149	warn "error in event callback: @_";	168	warn "error in event callback: @_";
150	};	169	};
151		170
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	171	=head2 UTILITY FUNCTIONS
157		172
158	=over 4	173	=over 4
159		174
		175	=item dumpval $ref
		176
160	=cut	177	=cut
		178
		179	sub dumpval {
		180	eval {
		181	local $SIG{__DIE__};
		182	my $d;
		183	if (1) {
		184	$d = new Data::Dumper([$_[0]], ["*var"]);
		185	$d->Terse(1);
		186	$d->Indent(2);
		187	$d->Quotekeys(0);
		188	$d->Useqq(1);
		189	#$d->Bless(...);
		190	$d->Seen($_[1]) if @_ > 1;
		191	$d = $d->Dump();
		192	}
		193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		194	$d
		195	} || "[unable to dump $_[0]: '$@']";
		196	}
161		197
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	198	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		199
164	=item $ref = cf::from_json $json	200	=item $ref = cf::from_json $json
165		201
…		…
180		216
181	sub to_json($) {	217	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	219	JSON::Syck::Dump $_[0]
184	}	220	}
		221
		222	=item cf::lock_wait $string
		223
		224	Wait until the given lock is available. See cf::lock_acquire.
		225
		226	=item my $lock = cf::lock_acquire $string
		227
		228	Wait until the given lock is available and then acquires it and returns
		229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		230	for example when the coroutine gets canceled), the lock is automatically
		231	returned.
		232
		233	Lock names should begin with a unique identifier (for example, cf::map::find
		234	uses map_find and cf::map::load uses map_load).
		235
		236	=cut
		237
		238	our %LOCK;
		239
		240	sub lock_wait($) {
		241	my ($key) = @_;
		242
		243	# wait for lock, if any
		244	while ($LOCK{$key}) {
		245	push @{ $LOCK{$key} }, $Coro::current;
		246	Coro::schedule;
		247	}
		248	}
		249
		250	sub lock_acquire($) {
		251	my ($key) = @_;
		252
		253	# wait, to be sure we are not locked
		254	lock_wait $key;
		255
		256	$LOCK{$key} = [];
		257
		258	Coro::guard {
		259	# wake up all waiters, to be on the safe side
		260	$_->ready for @{ delete $LOCK{$key} };
		261	}
		262	}
		263
		264	sub freeze_mainloop {
		265	return unless $TICK_WATCHER->is_active;
		266
		267	my $guard = Coro::guard {
		268	$TICK_WATCHER->start;
		269	$WRITE_RUNTIME_WATCHER->start;
		270	};
		271	$WRITE_RUNTIME_WATCHER->stop;
		272	$TICK_WATCHER->stop;
		273	$guard
		274	}
		275
		276	=item cf::async { BLOCK }
		277
		278	Currently the same as Coro::async_pool, meaning you cannot use
		279	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		280	thing you are allowed to do is call C<prio> on it.
		281
		282	=cut
		283
		284	BEGIN { *async = \&Coro::async_pool }
185		285
186	=item cf::sync_job { BLOCK }	286	=item cf::sync_job { BLOCK }
187		287
188	The design of crossfire+ requires that the main coro ($Coro::main) is	288	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	289	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	297	=cut
198		298
199	sub sync_job(&) {	299	sub sync_job(&) {
200	my ($job) = @_;	300	my ($job) = @_;
201		301
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	302	if ($Coro::current == $Coro::main) {
		303	# this is the main coro, too bad, we have to block
		304	# till the operation succeeds, freezing the server :/
		305
212	# TODO: use suspend/resume instead	306	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	307	# (but this is cancel-safe)
		308	my $freeze_guard = freeze_mainloop;
		309
		310	my $busy = 1;
		311	my @res;
		312
		313	(async {
		314	@res = eval { $job->() };
		315	warn $@ if $@;
		316	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	317	})->prio (Coro::PRIO_MAX);
		318
215	while ($busy) {	319	while ($busy) {
216	Coro::cede_notself;	320	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	321	}
		322
		323	wantarray ? @res : $res[0]
219	} else {	324	} else {
220	$coro->join;	325	# we are in another coroutine, how wonderful, everything just works
		326
		327	$job->()
221	}	328	}
222
223	wantarray ? @res : $res[0]
224	}	329	}
225		330
226	=item $coro = cf::coro { BLOCK }	331	=item $coro = cf::async_ext { BLOCK }
227		332
228	Creates and returns a new coro. This coro is automcatially being canceled	333	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	334	extension calling this is being unloaded.
230		335
231	=cut	336	=cut
232		337
233	sub coro(&) {	338	sub async_ext(&) {
234	my $cb = shift;	339	my $cb = shift;
235		340
236	my $coro; $coro = async {	341	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		342
243	$coro->on_destroy (sub {	343	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	344	delete $EXT_CORO{$coro+0};
245	});	345	});
246	$EXT_CORO{$coro+0} = $coro;	346	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	352	my $runtime = cf::localdir . "/runtime";
253		353
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	355	or return;
256		356
257	my $value = $cf::RUNTIME;	357	my $value = $cf::RUNTIME + 90 + 10;
		358	# 10 is the runtime save interval, for a monotonic clock
		359	# 60 allows for the watchdog to kill the server.
		360
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	361	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	362	and return;
260		363
		364	# always fsync - this file is important
261	aio_fsync $fh	365	aio_fsync $fh
262	and return;	366	and return;
263		367
264	close $fh	368	close $fh
265	or return;	369	or return;
…		…
271	}	375	}
272		376
273	=back	377	=back
274		378
275	=cut	379	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		380
387	#############################################################################	381	#############################################################################
388		382
389	=head2 ATTACHABLE OBJECTS	383	=head2 ATTACHABLE OBJECTS
390		384
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	510	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	511	our @CB_MAP = ();
518		512
519	my %attachment;	513	my %attachment;
520		514
		515	sub cf::attachable::thawer_merge {
		516	# simply override everything except _meta
		517	local $_[0]{_meta};
		518	%{$_[0]} = %{$_[1]};
		519	}
		520
521	sub _attach_cb($$$$) {	521	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	522	my ($registry, $event, $prio, $cb) = @_;
523		523
524	use sort 'stable';	524	use sort 'stable';
525		525
…		…
696	# object support	696	# object support
697		697
698	sub reattach {	698	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	699	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	700	my ($obj) = @_;
		701
		702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		703
702	my $registry = $obj->registry;	704	my $registry = $obj->registry;
703		705
704	@$registry = ();	706	@$registry = ();
705		707
…		…
752	$filename, length $$rdata, scalar @$objs;	754	$filename, length $$rdata, scalar @$objs;
753		755
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	757	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	759	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	760	close $fh;
759		761
760	if (@$objs) {	762	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	765	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	766	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	767	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	768	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	769	aio_rename "$filename.pst~", "$filename.pst";
768	}	770	}
769	} else {	771	} else {
770	aio_unlink "$filename.pst";	772	aio_unlink "$filename.pst";
…		…
776	}	778	}
777	} else {	779	} else {
778	aio_unlink $filename;	780	aio_unlink $filename;
779	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
780	}	782	}
		783
		784	#d##TODO# nuke non .map-files if exist
		785	if ($filename =~ s/\.map$//) {
		786	aio_unlink $filename;
		787	aio_unlink "$filename.pst";
		788	}
781	}	789	}
782	}	790	}
783		791
784	sub object_freezer_as_string {	792	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	793	my ($rdata, $objs) = @_;
…		…
791		799
792	sub object_thawer_load {	800	sub object_thawer_load {
793	my ($filename) = @_;	801	my ($filename) = @_;
794		802
795	my ($data, $av);	803	my ($data, $av);
		804
		805	#d#TODO remove .map if file does not exist
		806	aio_stat $filename and $filename =~ s/\.map$//;
796		807
797	(aio_load $filename, $data) >= 0	808	(aio_load $filename, $data) >= 0
798	or return;	809	or return;
799		810
800	unless (aio_stat "$filename.pst") {	811	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	812	(aio_load "$filename.pst", $av) >= 0
802	or return;	813	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	814	$av = eval { (Storable::thaw $av)->{objs} };
804	}	815	}
805		816
		817	warn sprintf "loading %s (%d)\n",
		818	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	819	return ($data, $av);
807	}	820	}
808		821
809	#############################################################################	822	#############################################################################
810	# command handling &c	823	# command handling &c
…		…
835	=cut	848	=cut
836		849
837	sub register_extcmd {	850	sub register_extcmd {
838	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
839		852
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
844	}	854	}
845		855
846	cf::player->attach (	856	cf::player->attach (
847	on_command => sub {	857	on_command => sub {
848	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
861		871
862	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
863		873
864	if (ref $msg) {	874	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	878	}
869	}	879	}
870	} else {	880	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		883
874	cf::override;	884	cf::override;
875	},	885	},
876	);	886	);
877		887
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	888	sub load_extension {
885	my ($path) = @_;	889	my ($path) = @_;
886		890
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	892	my $base = $1;
889	my $pkg = $1;	893	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
892		896
893	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
894		898
895	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
896	or die "$path: $!";	900	or die "$path: $!";
897		901
898	my $source =	902	my $source =
899	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
902	. "\n};\n1";	906	. "\n};\n1";
903		907
904	eval $source	908	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	910	: "extension disabled.\n";
907		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	912	warn $@;
909	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
910		914	exit 1;
911	# no strict 'refs';	915	}
912	# @{"$pkg\::ISA"} = ext::;	916	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	917	}
927		918
928	# remove commands	919	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	920	}
953		921
954	sub load_extensions {	922	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	924	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
961	}	929	}
962	}	930	}
963		931
964	#############################################################################	932	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		933
1002	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1003		935
1004	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1005		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1006	=head3 cf::player	944	=head3 cf::player
1007		945
1008	=over 4	946	=over 4
1009		947
1010	=item cf::player::exists $login	948	=item cf::player::find $login
1011		949
1012	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1013		951
1014	=cut	952	=cut
1015		953
1016	sub cf::player::exists($) {	954	sub playerdir($) {
1017	cf::player::find $_[0]	955	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1019	}	1102	}
1020		1103
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1105
1023	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1024		1107
1025	=cut	1108	=cut
1026		1109
1027	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1029		1112
1030	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1031		1114
1032	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1033	}	1116	}
		1117
		1118	package cf;
1034		1119
1035	=back	1120	=back
1036		1121
1037		1122
1038	=head3 cf::map	1123	=head3 cf::map
…		…
1044	package cf::map;	1129	package cf::map;
1045		1130
1046	use Fcntl;	1131	use Fcntl;
1047	use Coro::AIO;	1132	use Coro::AIO;
1048		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1049	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1140
1054	sub generate_random_map {	1141	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1144	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1286	}
1072		1287
1073	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1074	# all maps in C++...	1289	# all maps in C++...
1075	sub change_all_map_light {	1290	sub change_all_map_light {
1076	my ($change) = @_;	1291	my ($change) = @_;
1077		1292
1078	$_->change_map_light ($change) for values %cf::MAP;	1293	$_->change_map_light ($change)
		1294	for grep $_->outdoor, values %cf::MAP;
1079	}	1295	}
1080		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303
		1304	#d#TODO remove .map and also nuke
		1305	$save =~ s/\.map// or return;#d#
		1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1308	}
		1309
1081	sub try_load_header($) {	1310	sub load_header_from($) {
1082	my ($path) = @_;	1311	my ($self, $path) = @_;
1083		1312
1084	utf8::encode $path;	1313	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1314	#aio_open $path, O_RDONLY, 0
		1315	# or return;
		1316
		1317	$self->_load_header ($path)
1086	or return;	1318	or return;
1087		1319
1088	my $map = cf::map::new	1320	$self->{load_path} = $path;
		1321
		1322	1
		1323	}
		1324
		1325	sub load_header_orig {
		1326	my ($self) = @_;
		1327
		1328	$self->load_header_from ($self->load_path)
		1329	}
		1330
		1331	sub load_header_temp {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->save_path)
		1335	}
		1336
		1337	sub prepare_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->last_access ((delete $self->{last_access})
		1341	|| $cf::RUNTIME); #d#
		1342	# safety
		1343	$self->{instantiate_time} = $cf::RUNTIME
		1344	if $self->{instantiate_time} > $cf::RUNTIME;
		1345	}
		1346
		1347	sub prepare_orig {
		1348	my ($self) = @_;
		1349
		1350	$self->{load_original} = 1;
		1351	$self->{instantiate_time} = $cf::RUNTIME;
		1352	$self->last_access ($cf::RUNTIME);
		1353	$self->instantiate;
		1354	}
		1355
		1356	sub load_header {
		1357	my ($self) = @_;
		1358
		1359	if ($self->load_header_temp) {
		1360	$self->prepare_temp;
		1361	} else {
		1362	$self->load_header_orig
1089	or return;	1363	or return;
		1364	$self->prepare_orig;
		1365	}
1090		1366
1091	$map->load_header ($path)	1367	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1368	}
1099		1369
		1370	sub find;
1100	sub find_map {	1371	sub find {
1101	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1102		1373
1103	#warn "find_map<$path,$origin>\n";#d#	1374	$path = normalise $path, $origin && $origin->path;
1104		1375
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1376	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1377
1108	$cf::MAP{$key} || do {	1378	$cf::MAP{$path} || do {
1109	# do it the slow way	1379	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1380	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1381	or return;
1124		1382
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1383	$map->{last_save} = $cf::RUNTIME;
1135		1384
1136	$map->reset if $map->should_reset;	1385	$map->load_header
		1386	or return;
1137		1387
		1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1389	# doing this can freeze the server in a sync job, obviously
		1390	#$cf::WAIT_FOR_TICK->wait;
		1391	$map->reset;
		1392	undef $guard;
		1393	return find $path;
		1394	}
		1395
1138	$cf::MAP{$key} = $map	1396	$cf::MAP{$path} = $map
1139	}	1397	}
1140	}	1398	}
		1399
		1400	sub pre_load { }
		1401	sub post_load { }
1141		1402
1142	sub load {	1403	sub load {
1143	my ($self) = @_;	1404	my ($self) = @_;
1144		1405
		1406	local $self->{deny_reset} = 1; # loading can take a long time
		1407
		1408	my $path = $self->{path};
		1409	my $guard = cf::lock_acquire "map_load:$path";
		1410
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1411	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1412
1147	$self->in_memory (cf::MAP_LOADING);	1413	$self->in_memory (cf::MAP_LOADING);
1148		1414
1149	my $path = $self->{path};
1150
1151	$self->alloc;	1415	$self->alloc;
		1416
		1417	$self->pre_load;
		1418
1152	$self->load_objects ($self->{load_path}, 1)	1419	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1420	or return;
1154		1421
		1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1423	if delete $self->{load_original};
		1424
1155	if (my $uniq = $path->uniq_path) {	1425	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1426	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1427	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1428	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1429	$self->_load_objects ($uniq, 0);
1160	}	1430	}
1161	}	1431	}
		1432
		1433	Coro::cede;
1162		1434
1163	# now do the right thing for maps	1435	# now do the right thing for maps
1164	$self->link_multipart_objects;	1436	$self->link_multipart_objects;
1165		1437
1166	if ($self->{path}->is_style_map) {	1438	unless ($self->{deny_activate}) {
1167	$self->{deny_save} = 1;	1439	$self->decay_objects;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;	1440	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;	1441	$self->update_buttons;
		1442	Coro::cede;
1173	$self->set_darkness_map;	1443	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1444	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1445	unless $self->difficulty;
		1446	Coro::cede;
1176	$self->activate;	1447	$self->activate;
1177	}	1448	}
1178		1449
		1450	$self->post_load;
		1451
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1452	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1453	}
1181		1454
1182	sub load_map_sync {	1455	sub customise_for {
		1456	my ($self, $ob) = @_;
		1457
		1458	return find "~" . $ob->name . "/" . $self->{path}
		1459	if $self->per_player;
		1460
		1461	$self
		1462	}
		1463
		1464	# find and load all maps in the 3x3 area around a map
		1465	sub load_diag {
		1466	my ($map) = @_;
		1467
		1468	my @diag; # diagonal neighbours
		1469
		1470	for (0 .. 3) {
		1471	my $neigh = $map->tile_path ($_)
		1472	or next;
		1473	$neigh = find $neigh, $map
		1474	or next;
		1475	$neigh->load;
		1476
		1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1479	}
		1480
		1481	for (@diag) {
		1482	my $neigh = find @$_
		1483	or next;
		1484	$neigh->load;
		1485	}
		1486	}
		1487
		1488	sub find_sync {
1183	my ($path, $origin) = @_;	1489	my ($path, $origin) = @_;
1184		1490
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1491	cf::sync_job { find $path, $origin }
		1492	}
1186		1493
1187	cf::sync_job {	1494	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1495	my ($map) = @_;
1189	or return;	1496
		1497	cf::sync_job { $map->load };
		1498	}
		1499
		1500	our %MAP_PREFETCH;
		1501	our $MAP_PREFETCHER = undef;
		1502
		1503	sub find_async {
		1504	my ($path, $origin) = @_;
		1505
		1506	$path = normalise $path, $origin && $origin->{path};
		1507
		1508	if (my $map = $cf::MAP{$path}) {
		1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1510	}
		1511
		1512	undef $MAP_PREFETCH{$path};
		1513	$MAP_PREFETCHER ||= cf::async {
		1514	while (%MAP_PREFETCH) {
		1515	for my $path (keys %MAP_PREFETCH) {
		1516	my $map = find $path
		1517	or next;
1190	$map->load;	1518	$map->load;
1191	$map	1519
		1520	delete $MAP_PREFETCH{$path};
		1521	}
		1522	}
		1523	undef $MAP_PREFETCHER;
1192	}	1524	};
		1525	$MAP_PREFETCHER->prio (6);
		1526
		1527	()
1193	}	1528	}
1194		1529
1195	sub save {	1530	sub save {
1196	my ($self) = @_;	1531	my ($self) = @_;
1197		1532
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1534
1201	$self->{last_save} = $cf::RUNTIME;	1535	$self->{last_save} = $cf::RUNTIME;
1202		1536
1203	return unless $self->dirty;	1537	return unless $self->dirty;
1204		1538
		1539	my $save = $self->save_path; utf8::encode $save;
		1540	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1541
1205	$self->{load_path} = $save;	1542	$self->{load_path} = $save;
1206		1543
1207	return if $self->{deny_save};	1544	return if $self->{deny_save};
1208		1545
1209	warn "saving map ", $self->path;	1546	local $self->{last_access} = $self->last_access;#d#
		1547
		1548	cf::async {
		1549	$_->contr->save for $self->players;
		1550	};
1210		1551
1211	if ($uniq) {	1552	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1555	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1557	}
1217	}	1558	}
1218		1559
1219	sub swap_out {	1560	sub swap_out {
1220	my ($self) = @_;	1561	my ($self) = @_;
		1562
		1563	# save first because save cedes
		1564	$self->save;
		1565
		1566	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1567
1222	return if $self->players;	1568	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1570	return if $self->{deny_save};
1225		1571
1226	$self->save;
1227	$self->clear;	1572	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1573	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1574	}
1230		1575
		1576	sub reset_at {
		1577	my ($self) = @_;
		1578
		1579	# TODO: safety, remove and allow resettable per-player maps
		1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1581	return 1e99 if $self->{deny_reset};
		1582
		1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1585
		1586	$time + $to
		1587	}
		1588
1231	sub should_reset {	1589	sub should_reset {
1232	my ($map) = @_;	1590	my ($self) = @_;
1233		1591
1234	# TODO: safety, remove and allow resettable per-player maps	1592	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1593	}
1243		1594
1244	sub reset {	1595	sub reset {
1245	my ($self) = @_;	1596	my ($self) = @_;
1246		1597
		1598	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1599
1247	return if $self->players;	1600	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1601	return if $self->isa ("ext::map_per_player");#d#
1249		1602
1250	warn "resetting map ", $self->path;#d#	1603	warn "resetting map ", $self->path;#d#
1251		1604
1252	utf8::encode (my $save = $self->{path}->save_path);	1605	delete $cf::MAP{$self->path};
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1606
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1607	$self->in_memory (cf::MAP_SWAPPED);
		1608	$self->clear;
1255		1609
1256	$_->clear_links_to ($self) for values %cf::MAP;	1610	$_->clear_links_to ($self) for values %cf::MAP;
1257		1611
		1612	$self->unlink_save;
1258	$self->clear;	1613	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1614	}
1262		1615
1263	sub customise_for {	1616	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1617
1266	if ($map->per_player) {	1618	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1619	my ($self) = @_;
1268	}
1269		1620
1270	$map	1621	delete $cf::MAP{$self->path};
1271	}
1272		1622
1273	sub emergency_save {	1623	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1624
1276	warn "enter emergency map save\n";	1625	bless $self, "cf::map";
		1626	delete $self->{deny_reset};
		1627	$self->{deny_save} = 1;
		1628	$self->reset_timeout (1);
		1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1630
1278	cf::sync_job {	1631	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1632
1280	$_->save for values %cf::MAP;	1633	$self->reset; # polite request, might not happen
		1634	}
		1635
		1636	=item cf::map::unique_maps
		1637
		1638	Returns an arrayref of paths of all shared maps that have
		1639	instantiated unique items. May block.
		1640
		1641	=cut
		1642
		1643	sub unique_maps() {
		1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1645	or return;
		1646
		1647	my @paths;
		1648
		1649	for (@$files) {
		1650	utf8::decode $_;
		1651	next if /\.pst$/;
		1652	next unless /^$PATH_SEP/o;
		1653
		1654	push @paths, cf::map::normalise $_;
1281	};	1655	}
1282		1656
1283	warn "end emergency map save\n";	1657	\@paths
1284	}	1658	}
1285		1659
1286	package cf;	1660	package cf;
1287		1661
1288	=back	1662	=back
1289		1663
		1664	=head3 cf::object
		1665
		1666	=cut
		1667
		1668	package cf::object;
		1669
		1670	=over 4
		1671
		1672	=item $ob->inv_recursive
		1673
		1674	Returns the inventory of the object _and_ their inventories, recursively.
		1675
		1676	=cut
		1677
		1678	sub inv_recursive_;
		1679	sub inv_recursive_ {
		1680	map { $_, inv_recursive_ $_->inv } @_
		1681	}
		1682
		1683	sub inv_recursive {
		1684	inv_recursive_ inv $_[0]
		1685	}
		1686
		1687	package cf;
		1688
		1689	=back
1290		1690
1291	=head3 cf::object::player	1691	=head3 cf::object::player
1292		1692
1293	=over 4	1693	=over 4
1294		1694
…		…
1330	(ref $cf::CFG{"may_$access"}	1730	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1731	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1732	: $cf::CFG{"may_$access"})
1333	}	1733	}
1334		1734
		1735	=item $player_object->enter_link
		1736
		1737	Freezes the player and moves him/her to a special map (C<{link}>).
		1738
		1739	The player should be reasonably safe there for short amounts of time. You
		1740	I<MUST> call C<leave_link> as soon as possible, though.
		1741
		1742	Will never block.
		1743
		1744	=item $player_object->leave_link ($map, $x, $y)
		1745
		1746	Moves the player out of the special C<{link}> map onto the specified
		1747	map. If the map is not valid (or omitted), the player will be moved back
		1748	to the location he/she was before the call to C<enter_link>, or, if that
		1749	fails, to the emergency map position.
		1750
		1751	Might block.
		1752
		1753	=cut
		1754
		1755	sub link_map {
		1756	unless ($LINK_MAP) {
		1757	$LINK_MAP = cf::map::find "{link}"
		1758	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1759	$LINK_MAP->load;
		1760	}
		1761
		1762	$LINK_MAP
		1763	}
		1764
1335	sub cf::object::player::enter_link {	1765	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1766	my ($self) = @_;
1337		1767
1338	return if $self->map == $LINK_MAP;	1768	$self->deactivate_recursive;
1339		1769
		1770	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1771
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1773	if $self->map;
1342		1774
1343	$self->enter_map ($LINK_MAP, 20, 20);	1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1776	}
1346		1777
1347	sub cf::object::player::leave_link {	1778	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1779	my ($self, $map, $x, $y) = @_;
1349		1780
1350	my $link_pos = delete $self->{_link_pos};	1781	my $link_pos = delete $self->{_link_pos};
1351		1782
1352	unless ($map) {	1783	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1784	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1785	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1786	$map = cf::map::find $map;
1358		1787
1359	unless ($map) {	1788	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1789	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1790	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1791	or die "FATAL: cannot load emergency map\n";
1363	}	1792	}
1364	}	1793	}
1365		1794
1366	($x, $y) = (-1, -1)	1795	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1798	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1799	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1800	if $x <=0 && $y <= 0;
1372		1801
1373	$map->load;	1802	$map->load;
		1803	$map->load_diag;
1374		1804
		1805	return unless $self->contr->active;
1375	$self->activate_recursive;	1806	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1807	$self->enter_map ($map, $x, $y);
1377	}	1808	}
1378		1809
		1810	cf::player->attach (
		1811	on_logout => sub {
		1812	my ($pl) = @_;
		1813
		1814	# abort map switching before logout
		1815	if ($pl->ob->{_link_pos}) {
		1816	cf::sync_job {
		1817	$pl->ob->leave_link
		1818	};
		1819	}
		1820	},
		1821	on_login => sub {
		1822	my ($pl) = @_;
		1823
		1824	# try to abort aborted map switching on player login :)
		1825	# should happen only on crashes
		1826	if ($pl->ob->{_link_pos}) {
		1827	$pl->ob->enter_link;
		1828	(async {
		1829	# we need this sleep as the login has a concurrent enter_exit running
		1830	# and this sleep increases chances of the player not ending up in scorn
		1831	$pl->ob->reply (undef,
		1832	"There was an internal problem at your last logout, "
		1833	. "the server will try to bring you to your intended destination in a second.",
		1834	cf::NDI_RED);
		1835	Coro::Timer::sleep 1;
		1836	$pl->ob->leave_link;
		1837	})->prio (2);
		1838	}
		1839	},
		1840	);
		1841
1379	=item $player_object->goto_map ($map, $x, $y)	1842	=item $player_object->goto ($path, $x, $y)
1380		1843
1381	=cut	1844	=cut
1382		1845
1383	sub cf::object::player::goto_map {	1846	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1847	my ($self, $path, $x, $y) = @_;
1385		1848
1386	$self->enter_link;	1849	$self->enter_link;
1387		1850
1388	(Coro::async {	1851	(async {
1389	$path = new cf::path $path;	1852	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1853	my $map = cf::map::find $path;
1392	$map = $map->customise_for ($self) if $map;	1854	$map = $map->customise_for ($self) if $map;
1393
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1855	$map
		1856	} or
		1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1396		1858
1397	$self->leave_link ($map, $x, $y);	1859	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1860	})->prio (1);
1399	}	1861	}
1400		1862
…		…
1404		1866
1405	sub parse_random_map_params {	1867	sub parse_random_map_params {
1406	my ($spec) = @_;	1868	my ($spec) = @_;
1407		1869
1408	my $rmp = { # defaults	1870	my $rmp = { # defaults
1409	xsize => 10,	1871	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	1872	ysize => (cf::rndm 15, 40),
		1873	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1874	#layout => string,
1411	};	1875	};
1412		1876
1413	for (split /\n/, $spec) {	1877	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	1878	my ($k, $v) = split /\s+/, $_, 2;
1415		1879
…		…
1419	$rmp	1883	$rmp
1420	}	1884	}
1421		1885
1422	sub prepare_random_map {	1886	sub prepare_random_map {
1423	my ($exit) = @_;	1887	my ($exit) = @_;
		1888
		1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		1890
1425	# all this does is basically replace the /! path by	1891	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	1892	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	1893	# that depends on the exit object
1428		1894
1429	my $rmp = parse_random_map_params $exit->msg;	1895	my $rmp = parse_random_map_params $exit->msg;
1430		1896
1431	if ($exit->map) {	1897	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	1898	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	1899	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	1900	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	1901	$rmp->{origin_y} = $exit->y;
1436	}	1902	}
1437		1903
1438	$rmp->{random_seed} ||= $exit->random_seed;	1904	$rmp->{random_seed} ||= $exit->random_seed;
1439		1905
1440	my $data = cf::to_json $rmp;	1906	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	1907	my $md5 = Digest::MD5::md5_hex $data;
		1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1442		1909
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	1911	aio_write $fh, 0, (length $data), $data, 0;
		1912	undef $fh;
		1913	aio_rename "$meta~", $meta;
1445		1914
1446	$exit->slaying ("?random/$md5");	1915	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	1916	$exit->msg (undef);
1448	}	1917	}
1449	}	1918	}
…		…
1451	sub cf::object::player::enter_exit {	1920	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	1921	my ($self, $exit) = @_;
1453		1922
1454	return unless $self->type == cf::PLAYER;	1923	return unless $self->type == cf::PLAYER;
1455		1924
		1925	if ($exit->slaying eq "/!") {
		1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1927	cf::sync_job { prepare_random_map $exit };
		1928	}
		1929
		1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1931	my $hp = $exit->stats->hp;
		1932	my $sp = $exit->stats->sp;
		1933
1456	$self->enter_link;	1934	$self->enter_link;
1457		1935
1458	(Coro::async {	1936	(async {
		1937	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1938	unless (eval {
1460		1939	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		1940
1467	1;	1941	1;
1468	}) {	1942	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1943	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1944	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	1945	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	1946	cf::NDI_UNIQUE | cf::NDI_RED);
1473		1947
1474	warn "ERROR in enter_exit: $@";	1948	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	1949	$self->leave_link;
1476	}	1950	}
…		…
1527	on_reply => sub {	2001	on_reply => sub {
1528	my ($ns, $msg) = @_;	2002	my ($ns, $msg) = @_;
1529		2003
1530	# this weird shuffling is so that direct followup queries	2004	# this weird shuffling is so that direct followup queries
1531	# get handled first	2005	# get handled first
1532	my $queue = delete $ns->{query_queue};	2006	my $queue = delete $ns->{query_queue}
		2007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2008
1534	(shift @$queue)->[1]->($msg);	2009	(shift @$queue)->[1]->($msg);
		2010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2011
1536	push @{ $ns->{query_queue} }, @$queue;	2012	push @{ $ns->{query_queue} }, @$queue;
1537		2013
1538	if (@{ $ns->{query_queue} } == @$queue) {	2014	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2015	if (@$queue) {
…		…
1543	}	2019	}
1544	}	2020	}
1545	},	2021	},
1546	);	2022	);
1547		2023
1548	=item $client->coro (\&cb)	2024	=item $client->async (\&cb)
1549		2025
1550	Create a new coroutine, running the specified callback. The coroutine will	2026	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2027	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2028	or loss of connection).
1553		2029
1554	=cut	2030	=cut
1555		2031
1556	sub cf::client::coro {	2032	sub cf::client::async {
1557	my ($self, $cb) = @_;	2033	my ($self, $cb) = @_;
1558		2034
1559	my $coro; $coro = async {	2035	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2036
1566	$coro->on_destroy (sub {	2037	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2038	delete $self->{_coro}{$coro+0};
1568	});	2039	});
1569		2040
…		…
1741		2212
1742	{	2213	{
1743	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
1744		2215
1745	sub db_load() {	2216	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2217	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2218	}
1749		2219
1750	my $pid;	2220	my $pid;
1751		2221
1752	sub db_save() {	2222	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2223	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2224	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2225	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2226	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2227	rename "$path~", $path;
…		…
1765	sub db_sync() {	2234	sub db_sync() {
1766	db_save if $dirty;	2235	db_save if $dirty;
1767	undef $dirty;	2236	undef $dirty;
1768	}	2237	}
1769		2238
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2239	my $idle = Event->idle (
1771	db_sync;	2240	reentrant => 0,
		2241	min => 10,
		2242	max => 20,
		2243	repeat => 0,
		2244	data => WF_AUTOCANCEL,
		2245	cb => \&db_sync,
1772	});	2246	);
1773		2247
1774	sub db_dirty() {	2248	sub db_dirty() {
1775	$dirty = 1;	2249	$dirty = 1;
1776	$idle->start;	2250	$idle->start;
1777	}	2251	}
…		…
1798	},	2272	},
1799	);	2273	);
1800	}	2274	}
1801		2275
1802	#############################################################################	2276	#############################################################################
1803	# the server's main()	2277	# the server's init and main functions
		2278
		2279	sub load_resources {
		2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2281	or die "unable to load regions file\n";#d#
		2282	}
1804		2283
1805	sub cfg_load {	2284	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2285	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2286	or return;
1808		2287
1809	local $/;	2288	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2289	*CFG = YAML::Syck::Load <$fh>;
		2290
		2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2292
		2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2295
		2296	if (exists $CFG{mlockall}) {
		2297	eval {
		2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2299	and die "WARNING: m(un)lockall failed: $!\n";
		2300	};
		2301	warn $@ if $@;
		2302	}
		2303	}
		2304
		2305	sub init {
		2306	load_resources;
1811	}	2307	}
1812		2308
1813	sub main {	2309	sub main {
1814	# we must not ever block the main coroutine	2310	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2311	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2313	(async {
1818	Event::one_event;	2314	Event::one_event;
1819	})->();	2315	})->prio (Coro::PRIO_MAX);
1820	};	2316	};
1821		2317
1822	cfg_load;	2318	cfg_load;
1823	db_load;	2319	db_load;
1824	load_extensions;	2320	load_extensions;
		2321
		2322	$TICK_WATCHER->start;
1825	Event::loop;	2323	Event::loop;
1826	}	2324	}
1827		2325
1828	#############################################################################	2326	#############################################################################
1829	# initialisation	2327	# initialisation and cleanup
1830		2328
		2329	# install some emergency cleanup handlers
		2330	BEGIN {
		2331	for my $signal (qw(INT HUP TERM)) {
		2332	Event->signal (
		2333	reentrant => 0,
		2334	data => WF_AUTOCANCEL,
		2335	signal => $signal,
		2336	prio => 0,
		2337	cb => sub {
		2338	cf::cleanup "SIG$signal";
		2339	},
		2340	);
		2341	}
		2342	}
		2343
		2344	sub emergency_save() {
		2345	my $freeze_guard = cf::freeze_mainloop;
		2346
		2347	warn "enter emergency perl save\n";
		2348
		2349	cf::sync_job {
		2350	# use a peculiar iteration method to avoid tripping on perl
		2351	# refcount bugs in for. also avoids problems with players
		2352	# and maps saved/destroyed asynchronously.
		2353	warn "begin emergency player save\n";
		2354	for my $login (keys %cf::PLAYER) {
		2355	my $pl = $cf::PLAYER{$login} or next;
		2356	$pl->valid or next;
		2357	$pl->save;
		2358	}
		2359	warn "end emergency player save\n";
		2360
		2361	warn "begin emergency map save\n";
		2362	for my $path (keys %cf::MAP) {
		2363	my $map = $cf::MAP{$path} or next;
		2364	$map->valid or next;
		2365	$map->save;
		2366	}
		2367	warn "end emergency map save\n";
		2368	};
		2369
		2370	warn "leave emergency perl save\n";
		2371	}
		2372
1831	sub perl_reload() {	2373	sub reload() {
1832	# can/must only be called in main	2374	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2375	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2376	warn "can only reload from main coroutine";
1835	return;	2377	return;
1836	}	2378	}
1837		2379
1838	warn "reloading...";	2380	warn "reloading...";
1839		2381
1840	local $FREEZE = 1;	2382	warn "cancelling server ticker";
		2383	$TICK_WATCHER->cancel;
		2384
1841	cf::emergency_save;	2385	cf::emergency_save;
1842		2386
1843	eval {	2387	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2388	# if anything goes wrong in here, we should simply crash as we already saved
1845		2389
1846	# cancel all watchers	2390	warn "syncing database to disk";
		2391	cf::db_sync;
		2392
		2393	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2394	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2395	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2396	}
1850		2397
		2398	warn "flushing outstanding aio requests";
		2399	for (;;) {
		2400	IO::AIO::flush;
		2401	Coro::cede;
		2402	last unless IO::AIO::nreqs;
		2403	warn "iterate...";
		2404	}
		2405
1851	# cancel all extension coros	2406	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2407	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2408	%EXT_CORO = ();
1854		2409
1855	# unload all extensions	2410	warn "removing commands";
1856	for (@exts) {	2411	%COMMAND = ();
		2412
		2413	warn "removing ext commands";
		2414	%EXTCMD = ();
		2415
		2416	warn "unloading/nuking all extensions";
		2417	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2418	warn "... unloading $pkg";
1858	unload_extension $_;	2419
		2420	if (my $cb = $pkg->can ("unload")) {
		2421	eval {
		2422	$cb->($pkg);
		2423	1
		2424	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2425	}
1860		2426
		2427	warn "... nuking $pkg";
		2428	Symbol::delete_package $pkg;
		2429	}
		2430
1861	# unload all modules loaded from $LIBDIR	2431	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2432	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2434
1865	warn "removing <$k>";	2435	warn "... unloading $k";
1866	delete $INC{$k};	2436	delete $INC{$k};
1867		2437
1868	$k =~ s/\.pm$//;	2438	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2439	$k =~ s/\//::/g;
1870		2440
…		…
1873	}	2443	}
1874		2444
1875	Symbol::delete_package $k;	2445	Symbol::delete_package $k;
1876	}	2446	}
1877		2447
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2448	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2449	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2451
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2452	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2453	delete $INC{"cf.pm"};
1891		2454
1892	# don't, removes xs symbols, too,	2455	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2456	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2457	#Symbol::delete_package __PACKAGE__;
1895		2458
1896	# reload cf.pm	2459	warn "unload completed, starting to reload now";
		2460
1897	warn "reloading cf.pm";	2461	warn "reloading cf.pm";
1898	require cf;	2462	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2464
1901	# load config and database again	2465	warn "loading config and database again";
1902	cf::cfg_load;	2466	cf::cfg_load;
1903	cf::db_load;	2467	cf::db_load;
1904		2468
1905	# load extensions
1906	warn "load extensions";	2469	warn "loading extensions";
1907	cf::load_extensions;	2470	cf::load_extensions;
1908		2471
1909	# reattach attachments to objects	2472	warn "reattaching attachments to objects/players";
1910	warn "reattach";
1911	_global_reattach;	2473	_global_reattach;
		2474	warn "reattaching attachments to maps";
		2475	reattach $_ for values %MAP;
		2476
		2477	warn "loading reloadable resources";
		2478	load_resources;
		2479
		2480	warn "restarting server ticker";
		2481
		2482	$TICK_WATCHER->start;
1912	};	2483	};
1913		2484
1914	if ($@) {	2485	if ($@) {
1915	warn $@;	2486	warn $@;
1916	warn "error while reloading, exiting.";	2487	warn "error while reloading, exiting.";
1917	exit 1;	2488	exit 1;
1918	}	2489	}
1919		2490
1920	warn "reloaded successfully";	2491	warn "reloaded";
1921	};	2492	};
1922		2493
1923	#############################################################################	2494	our $RELOAD_WATCHER; # used only during reload
1924		2495
1925	unless ($LINK_MAP) {
1926	$LINK_MAP = cf::map::new;
1927
1928	$LINK_MAP->width (41);
1929	$LINK_MAP->height (41);
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,
1938	cb => sub {
1939	$_[0]->w->cancel;
1940
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});
1959
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}
1965
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2496	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2497	my ($who, $arg) = @_;
1970		2498
1971	if ($who->flag (FLAG_WIZ)) {	2499	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2500	$who->message ("reloading server.");
		2501
		2502	# doing reload synchronously and two reloads happen back-to-back,
		2503	# coro crashes during coro_state_free->destroy here.
		2504
		2505	$RELOAD_WATCHER ||= Event->timer (
		2506	reentrant => 0,
		2507	after => 0,
		2508	data => WF_AUTOCANCEL,
		2509	cb => sub {
		2510	reload;
		2511	undef $RELOAD_WATCHER;
		2512	},
		2513	);
1975	}	2514	}
1976	};	2515	};
1977		2516
1978	unshift @INC, $LIBDIR;	2517	unshift @INC, $LIBDIR;
		2518
		2519	my $bug_warning = 0;
1979		2520
1980	$TICK_WATCHER = Event->timer (	2521	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2522	reentrant => 0,
		2523	parked => 1,
1982	prio => 0,	2524	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2525	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
1985	cb => sub {	2527	cb => sub {
1986	unless ($FREEZE) {	2528	if ($Coro::current != $Coro::main) {
		2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2530	unless ++$bug_warning > 10;
		2531	return;
		2532	}
		2533
		2534	$NOW = Event::time;
		2535
1987	cf::server_tick; # one server iteration	2536	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2537	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2538	$NEXT_TICK += $TICK;
		2539
		2540	$WAIT_FOR_TICK->broadcast;
		2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2542
		2543	Event::sweep;
		2544	Coro::cede_notself;
		2545
		2546	# my $AFTER = Event::time;
		2547	# warn $AFTER - $NOW;#d#
1992		2548
1993	# if we are delayed by four ticks or more, skip them all	2549	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2551
1996	$TICK_WATCHER->at ($NEXT_TICK);	2552	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2553	$TICK_WATCHER->start;
1998	},	2554	},
1999	);	2555	);
2000		2556
2001	IO::AIO::max_poll_time $TICK * 0.2;	2557	IO::AIO::max_poll_time $TICK * 0.1;
2002		2558
2003	Event->io (	2559	undef $Coro::AIO::WATCHER;
		2560	$AIO_POLL_WATCHER = Event->io (
		2561	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2562	fd => IO::AIO::poll_fileno,
2005	poll => 'r',	2563	poll => 'r',
2006	prio => 5,	2564	prio => 6,
2007	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,	2566	cb => \&IO::AIO::poll_cb,
2009	);	2567	);
2010		2568
2011	Event->timer (	2569	$WRITE_RUNTIME_WATCHER = Event->timer (
		2570	reentrant => 0,
2012	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2013	after => 0,	2572	after => 1,
2014	interval => 10,	2573	interval => 10,
2015	cb => sub {	2574	prio => 6, # keep it lowest so it acts like a watchdog
2016	(Coro::unblock_sub {	2575	cb => Coro::unblock_sub {
2017	write_runtime	2576	write_runtime
2018	or warn "ERROR: unable to write runtime file: $!";	2577	or warn "ERROR: unable to write runtime file: $!";
2019	})->();
2020	},	2578	},
2021	);	2579	);
2022		2580
		2581	END { cf::emergency_save }
		2582
2023	1	2583	1
2024		2584

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