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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		86
57	binmode STDOUT;	87	binmode STDOUT;
58	binmode STDERR;	88	binmode STDERR;
59		89
60	# read virtual server time, if available	90	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	97	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
72		103
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
76		107
77	#############################################################################	108	#############################################################################
78		109
79	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
80		111
…		…
104		135
105	=item %cf::CFG	136	=item %cf::CFG
106		137
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
109		147
110	=back	148	=back
111		149
112	=cut	150	=cut
113		151
…		…
117	utf8::encode $msg;	155	utf8::encode $msg;
118		156
119	$msg .= "\n"	157	$msg .= "\n"
120	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
121		159
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		224
184	=item cf::lock_wait $string	225	=item cf::lock_wait $string
185		226
186	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
187		228
…		…
221	# wake up all waiters, to be on the safe side	262	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	263	$_->ready for @{ delete $LOCK{$key} };
223	}	264	}
224	}	265	}
225		266
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	267	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
244		269
245	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
246	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
247	$guard	274	$guard
248	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
249		286
250	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
251		288
252	The design of crossfire+ requires that the main coro ($Coro::main) is	289	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	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	309	my $freeze_guard = freeze_mainloop;
273		310
274	my $busy = 1;	311	my $busy = 1;
275	my @res;	312	my @res;
276		313
277	(Coro::async {	314	(async {
278	@res = eval { $job->() };	315	@res = eval { $job->() };
279	warn $@ if $@;	316	warn $@ if $@;
280	undef $busy;	317	undef $busy;
281	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
282		319
283	while ($busy) {	320	while ($busy) {
284	Coro::cede_notself;	321	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	322	}
287		323
288	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
289	} else {	325	} else {
290	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
291		327
292	$job->()	328	$job->()
293	}	329	}
294	}	330	}
295		331
296	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
297		333
298	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
300		336
301	=cut	337	=cut
302		338
303	sub coro(&) {	339	sub async_ext(&) {
304	my $cb = shift;	340	my $cb = shift;
305		341
306	my $coro = &cf::async ($cb);	342	my $coro = &Coro::async ($cb);
307		343
308	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
310	});	346	});
311	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
312		348
313	$coro	349	$coro
314	}	350	}
315		351
316	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
317	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
318		356
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	358	or return;
321		359
		360	my $value = $cf::RUNTIME + 90 + 10;
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	365	and return;
325		366
		367	# always fsync - this file is important
326	aio_fsync $fh	368	aio_fsync $fh
327	and return;	369	and return;
328		370
329	close $fh	371	close $fh
330	or return;	372	or return;
…		…
333	and return;	375	and return;
334		376
335	1	377	1
336	}	378	}
337		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
338	=back	391	=back
339		392
340	=cut	393	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		394
462	#############################################################################	395	#############################################################################
463		396
464	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
465		398
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	525	our @CB_MAP = ();
593		526
594	my %attachment;	527	my %attachment;
595		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
596	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
598		537
599	use sort 'stable';	538	use sort 'stable';
600		539
…		…
771	# object support	710	# object support
772		711
773	sub reattach {	712	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		717
777	my $registry = $obj->registry;	718	my $registry = $obj->registry;
778		719
779	@$registry = ();	720	@$registry = ();
780		721
…		…
827	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
828		769
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	774	close $fh;
834		775
835	if (@$objs) {	776	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	782	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
843	}	784	}
844	} else {	785	} else {
845	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
912	=cut	853	=cut
913		854
914	sub register_extcmd {	855	sub register_extcmd {
915	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
916		857
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
921	}	859	}
922		860
923	cf::player->attach (	861	cf::player->attach (
924	on_command => sub {	862	on_command => sub {
925	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
938		876
939	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
940		878
941	if (ref $msg) {	879	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	883	}
946	}	884	}
947	} else {	885	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		888
951	cf::override;	889	cf::override;
952	},	890	},
953	);	891	);
954		892
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	893	sub load_extension {
962	my ($path) = @_;	894	my ($path) = @_;
963		895
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	897	my $base = $1;
966	my $pkg = $1;	898	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
969		901
970	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
971		903
972	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
973	or die "$path: $!";	905	or die "$path: $!";
974		906
975	my $source =	907	my $source =
976	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
979	. "\n};\n1";	911	. "\n};\n1";
980		912
981	eval $source	913	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	915	: "extension disabled.\n";
984		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	917	warn $@;
986	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
987		919	exit 1;
988	# no strict 'refs';	920	}
989	# @{"$pkg\::ISA"} = ext::;	921	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	922	}
1004		923
1005	# remove commands	924	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	925	}
1030		926
1031	sub load_extensions {	927	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	929	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1038	}	934	}
1039	}	935	}
1040		936
1041	#############################################################################	937	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		938
1079	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1080		940
1081	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1082		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1083	=head3 cf::player	949	=head3 cf::player
1084		950
1085	=over 4	951	=over 4
1086		952
1087	=item cf::player::exists $login	953	=item cf::player::find $login
1088		954
1089	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1090		956
1091	=cut	957	=cut
1092		958
1093	sub cf::player::exists($) {	959	sub playerdir($) {
1094	cf::player::find $_[0]	960	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1096	}	965	}
1097		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1099		1139
1100	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1101		1141
1102	=cut	1142	=cut
1103		1143
1104	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1105	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1106		1146
1107	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1108		1148
1109	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1110	}	1191	}
1111		1192
1112	=back	1193	=back
1113
1114		1194
1115	=head3 cf::map	1195	=head3 cf::map
1116		1196
1117	=over 4	1197	=over 4
1118		1198
…		…
1121	package cf::map;	1201	package cf::map;
1122		1202
1123	use Fcntl;	1203	use Fcntl;
1124	use Coro::AIO;	1204	use Coro::AIO;
1125		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1126	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1128		1212
1129	sub generate_random_map {	1213	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1216	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1358	}
1147		1359
1148	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1149	# all maps in C++...	1361	# all maps in C++...
1150	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1152		1364
1153	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1155	}	1367	}
1156		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1157	sub try_load_header($) {	1377	sub load_header_from($) {
1158	my ($path) = @_;	1378	my ($self, $path) = @_;
1159		1379
1160	utf8::encode $path;	1380	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1162	or return;	1385	or return;
1163		1386
1164	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1165	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1166		1433
1167	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1168	$map->path ($path);	1435	unless $self->default_region;
1169		1436
1170	$map->load_header ($path)	1437	1
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1438	}
1177		1439
1178	sub find;	1440	sub find;
1179	sub find {	1441	sub find {
1180	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1181		1443
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1445
1187	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1188		1447
1189	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1191		1450	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1451	or return;
1211		1452
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1224		1454
1225	Coro::cede;	1455	$map->load_header
		1456	or return;
1226		1457
1227	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1461	$map->reset;
1229	undef $guard;	1462	undef $guard;
1230	$map = find $path	1463	return find $path;
1231	or return;
1232	}	1464	}
1233		1465
1234	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1235	}	1467	}
1236	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1237		1472
1238	sub load {	1473	sub load {
1239	my ($self) = @_;	1474	my ($self) = @_;
1240		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1241	my $path = $self->{path};	1478	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1243		1480
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1482
1246	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1247		1484
1248	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1249	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1490	or return;
1251		1491
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1493	if delete $self->{load_original};
1254		1494
1255	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1496	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1498	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1260	}	1500	}
1261	}	1501	}
1262		1502
1263	Coro::cede;	1503	Coro::cede;
1264		1504
1265	# now do the right thing for maps	1505	# now do the right thing for maps
1266	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1267		1507
1268	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1509	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1275	$self->set_darkness_map;	1513	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1278	$self->activate;	1517	$self->activate;
1279	}	1518	}
1280		1519
1281	Coro::cede;	1520	$self->post_load;
1282		1521
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
1284	}	1556	}
1285		1557
1286	sub find_sync {	1558	sub find_sync {
1287	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1288		1560
1289	cf::sync_job { cf::map::find $path, $origin }	1561	cf::sync_job { find $path, $origin }
1290	}	1562	}
1291		1563
1292	sub do_load_sync {	1564	sub do_load_sync {
1293	my ($map) = @_;	1565	my ($map) = @_;
1294		1566
1295	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1296	}	1568	}
1297		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
		1598	}
		1599
1298	sub save {	1600	sub save {
1299	my ($self) = @_;	1601	my ($self) = @_;
1300		1602
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1604
1303	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1304		1606
1305	return unless $self->dirty;	1607	return unless $self->dirty;
1306		1608
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1611
1310	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1311		1613
1312	return if $self->{deny_save};	1614	return if $self->{deny_save};
1313		1615
1314	local $self->{last_access} = $self->last_access;#d#	1616	local $self->{last_access} = $self->last_access;#d#
1315		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1316	if ($uniq) {	1622	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1625	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1627	}
1322	}	1628	}
1323		1629
1324	sub swap_out {	1630	sub swap_out {
1325	my ($self) = @_;	1631	my ($self) = @_;
…		…
1339		1645
1340	sub reset_at {	1646	sub reset_at {
1341	my ($self) = @_;	1647	my ($self) = @_;
1342		1648
1343	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1346		1652
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1655
…		…
1354	my ($self) = @_;	1660	my ($self) = @_;
1355		1661
1356	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1357	}	1663	}
1358		1664
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1665	sub reset {
1381	my ($self) = @_;	1666	my ($self) = @_;
1382		1667
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1669
1385	return if $self->players;	1670	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1387		1672
1388	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1389		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1390	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1391		1688
1392	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1393		1690
1394	$self->unlink_save;	1691	$self->unlink_save;
1395	$self->destroy;	1692	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1399		1696
1400	sub nuke {	1697	sub nuke {
1401	my ($self) = @_;	1698	my ($self) = @_;
1402		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1406	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1407	}	1713	}
1408		1714
1409	sub customise_for {	1715	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1716
1412	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1414	}
1415		1719
1416	$map	1720	=cut
1417	}
1418		1721
1419	sub emergency_save {	1722	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1421		1725
1422	warn "enter emergency map save\n";	1726	my @paths;
1423		1727
1424	cf::sync_job {	1728	for (@$files) {
1425	warn "begin emergency map save\n";	1729	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1427	};	1734	}
1428		1735
1429	warn "end emergency map save\n";	1736	\@paths
1430	}	1737	}
1431		1738
1432	package cf;	1739	package cf;
1433		1740
1434	=back	1741	=back
1435		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1436		1769
1437	=head3 cf::object::player	1770	=head3 cf::object::player
1438		1771
1439	=over 4	1772	=over 4
1440		1773
…		…
1480		1813
1481	=item $player_object->enter_link	1814	=item $player_object->enter_link
1482		1815
1483	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1484		1817
1485	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1487		1820
		1821	Will never block.
		1822
1488	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1489		1824
1490	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1828	fails, to the emergency map position.
1494		1829
1495	Might block.	1830	Might block.
1496		1831
1497	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1498		1843
1499	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1845	my ($self) = @_;
1501		1846
1502	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1503		1848
1504	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1850
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1852	if $self->map;
1508		1853
1509	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	1855	}
1511		1856
1512	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1514		1859
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1535		1880
1536	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1537		1883
		1884	return unless $self->contr->active;
1538	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1540	}	1889	}
1541		1890
1542	cf::player->attach (	1891	cf::player->attach (
1543	on_logout => sub {	1892	on_logout => sub {
…		…
1555		1904
1556	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1906	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1560	cf::async {	1909	(async {
		1910	$pl->ob->reply (undef,
		1911	"There was an internal problem at your last logout, "
		1912	. "the server will try to bring you to your intended destination in a second.",
		1913	cf::NDI_RED);
1561	# we need this sleep as the login has a concurrent enter_exit running	1914	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn	1915	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1565	};	1918	})->prio (2);
1566	}	1919	}
1567	},	1920	},
1568	);	1921	);
1569		1922
1570	=item $player_object->goto ($path, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1576		1929
1577	$self->enter_link;	1930	$self->enter_link;
1578		1931
1579	(cf::async {	1932	(async {
1580	$path = new cf::path $path;	1933	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1584		1936	$map
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589		1939
1590	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1941	})->prio (1);
1592	}	1942	}
1593		1943
…		…
1597		1947
1598	sub parse_random_map_params {	1948	sub parse_random_map_params {
1599	my ($spec) = @_;	1949	my ($spec) = @_;
1600		1950
1601	my $rmp = { # defaults	1951	my $rmp = { # defaults
1602	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1604	};	1956	};
1605		1957
1606	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1608		1960
…		…
1612	$rmp	1964	$rmp
1613	}	1965	}
1614		1966
1615	sub prepare_random_map {	1967	sub prepare_random_map {
1616	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1971
1618	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1974	# that depends on the exit object
1621		1975
1622	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1623		1977
1624	if ($exit->map) {	1978	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1629	}	1983	}
1630		1984
1631	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1632		1986
1633	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1990
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1638		1995
1639	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	1997	$exit->msg (undef);
1641	}	1998	}
1642	}	1999	}
…		…
1644	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1646		2003
1647	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1648		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
		2016
1649	$self->enter_link;	2017	$self->enter_link;
1650		2018
1651	(cf::async {	2019	(async {
1652	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2021	unless (eval {
1654	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		2023
1660	1;	2024	1;
1661	}) {	2025	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2030
1667	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2032	$self->leave_link;
1669	}	2033	}
1670	})->prio (1);	2034	})->prio (1);
…		…
1683		2047
1684	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1686		2050
1687	utf8::encode $text;	2051	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2053	}
1690		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1691		2067
1692	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1693		2069
1694	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1724	# get handled first	2100	# get handled first
1725	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2103
1728	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2106
1730	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1731		2108
1732	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2110	if (@$queue) {
…		…
1737	}	2114	}
1738	}	2115	}
1739	},	2116	},
1740	);	2117	);
1741		2118
1742	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1743		2120
1744	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2122	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2123	or loss of connection).
1747		2124
1748	=cut	2125	=cut
1749		2126
1750	sub cf::client::coro {	2127	sub cf::client::async {
1751	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1752		2129
1753	my $coro = &cf::async ($cb);	2130	my $coro = &Coro::async ($cb);
1754		2131
1755	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1757	});	2134	});
1758		2135
…		…
1791		2168
1792	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1793		2170
1794	=pod	2171	=pod
1795		2172
1796	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1797		2174
1798	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1799	cf::object::player player	2176	cf::object::player player
1800	cf::player peaceful	2177	cf::player peaceful
1801	cf::map trigger	2178	cf::map trigger
…		…
1894	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
1895	using it, it should be unique.	2272	using it, it should be unique.
1896		2273
1897	=over 4	2274	=over 4
1898		2275
1899	=item $hashref = cf::db_get $family
1900
1901	Return a hashref for use by the extension C<$family>, which can be
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904
1905	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1906		2277
1907	Returns a single value from the database	2278	Returns a single value from the database.
1908
1909	=item cf::db_put $family => $hashref
1910
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913		2279
1914	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1915		2281
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926		2283
1927	=cut	2284	=cut
1928		2285
1929	our $DB;	2286	our $DB;
1930		2287
1931	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
1932	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
1933		2307
1934	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1935	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1936	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
1937		2312
1938	my $pid;	2313	unlink $path;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}	2314	};
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});
1960
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}
1965
1966	sub db_get($;$) {
1967	@_ >= 2
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971
1972	sub db_put($$;$) {
1973	if (@_ >= 3) {
1974	$DB->{$_[0]}{$_[1]} = $_[2];
1975	} else {
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2315	}
1986	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1987	}	2333	}
1988		2334
1989	#############################################################################	2335	#############################################################################
1990	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
1991		2400
1992	sub cfg_load {	2401	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1994	or return;	2403	or return;
1995		2404
1996	local $/;	2405	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
1998		2407
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2409
		2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2412
2001	if (exists $CFG{mlockall}) {	2413	if (exists $CFG{mlockall}) {
2002	eval {	2414	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2416	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2417	};
2006	warn $@ if $@;	2418	warn $@ if $@;
2007	}	2419	}
2008	}	2420	}
2009		2421
2010	sub main {	2422	sub main {
2011	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2426	(async {
2015	Event::one_event;	2427	Event::one_event;
2016	})->();	2428	})->prio (Coro::PRIO_MAX);
2017	};	2429	};
2018		2430
2019	cfg_load;	2431	cfg_load;
2020	db_load;	2432	db_init;
2021	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2022	Event::loop;	2436	Event::loop;
2023	}	2437	}
2024		2438
2025	#############################################################################	2439	#############################################################################
2026	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
2027		2496
2028	sub reload() {	2497	sub reload() {
2029	# can/must only be called in main	2498	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2032	return;	2501	return;
2033	}	2502	}
2034		2503
2035	warn "reloading...";	2504	warn "reloading...";
2036		2505
2037	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2039		2512
2040	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2041	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2042		2517
2043	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2521	}
2047		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2048	# cancel all extension coros	2534	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2536	%EXT_CORO = ();
2051		2537
2052	# unload all extensions	2538	warn "removing commands";
2053	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2055	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2553	}
2057		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2058	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2562
2062	warn "removing <$k>";	2563	warn "... unloading $k";
2063	delete $INC{$k};	2564	delete $INC{$k};
2064		2565
2065	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2067		2568
…		…
2070	}	2571	}
2071		2572
2072	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2073	}	2574	}
2074		2575
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2579
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2088		2582
2089	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2584	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2092		2586
2093	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2094	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2095	require cf;	2590	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2592
2098	# load config and database again	2593	warn "loading config and database again";
2099	cf::cfg_load;	2594	cf::cfg_load;
2100	cf::db_load;
2101		2595
2102	# load extensions
2103	warn "load extensions";	2596	warn "loading extensions";
2104	cf::load_extensions;	2597	cf::load_extensions;
2105		2598
2106	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2107	warn "reattach";	2600	_global_reattach; # objects, sockets
2108	_global_reattach;	2601	warn "reattaching attachments to maps";
2109	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2110		2605
2111	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2112	warn $@;	2613	warn $@;
2113	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2114	exit 1;	2615	exit 1;
2115	}	2616	};
2116		2617
2117	warn "reloaded successfully";	2618	warn "reloaded";
2118	};	2619	};
2119		2620
2120	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}
2162
2163	register "<global>", __PACKAGE__;
2164		2622
2165	register_command "reload" => sub {	2623	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2167		2625
2168	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2170	reload;	2637	reload;
2171	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2172	}	2641	}
2173	};	2642	};
2174		2643
2175	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2176		2647
2177	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2179	prio => 0,	2651	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2182	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2183	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2186		2680
2187	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2683
2190	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2192	},	2686	},
2193	);	2687	);
2194		2688
		2689	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2196		2691	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	2692	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2199	poll => 'r',	2694	poll => 'r',
2200	prio => 5,	2695	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2207	after => 0,	2697	cb => \&BDB::poll_cb,
2208	interval => 10,	2698	);
2209	cb => sub {	2699	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	2700
2211	write_runtime	2701	BDB::set_sync_prepare {
2212	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2213	})->();	2735	};
2214	},	2736	}
2215	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2216		2753
2217	END { cf::emergency_save }	2754	END { cf::emergency_save }
2218		2755
2219	1	2756	1
2220		2757

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