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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.242 by root, Mon Apr 16 12:37:08 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 (Coro::PRIO_MAX); # 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	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		220
184	=item cf::lock_wait $string	221	=item cf::lock_wait $string
185		222
186	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
187		224
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
233		282
234	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
235		284
236	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
257		306
258	my $busy = 1;	307	my $busy = 1;
259	my @res;	308	my @res;
260		309
261	(Coro::async_pool {	310	(async {
262	@res = eval { $job->() };	311	@res = eval { $job->() };
263	warn $@ if $@;	312	warn $@ if $@;
264	undef $busy;	313	undef $busy;
265	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
266		315
267	while ($busy) {	316	while ($busy) {
268	unless (Coro::cede) {	317	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	318	}
273		319
274	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
275	} else {	321	} else {
276	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
277		323
278	$job->()	324	$job->()
279	}	325	}
280	}	326	}
281		327
282	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
283		329
284	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
286		332
287	=cut	333	=cut
288		334
289	sub coro(&) {	335	sub async_ext(&) {
290	my $cb = shift;	336	my $cb = shift;
291		337
292	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
293		339
294	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
296	});	342	});
297	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
298		344
299	$coro	345	$coro
300	}	346	}
301		347
302	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
303	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
304		352
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	354	or return;
307		355
		356	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	361	and return;
311		362
		363	# always fsync - this file is important
312	aio_fsync $fh	364	aio_fsync $fh
313	and return;	365	and return;
314		366
315	close $fh	367	close $fh
316	or return;	368	or return;
…		…
319	and return;	371	and return;
320		372
321	1	373	1
322	}	374	}
323		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
324	=back	387	=back
325		388
326	=cut	389	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		390
448	#############################################################################	391	#############################################################################
449		392
450	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
451		394
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	521	our @CB_MAP = ();
579		522
580	my %attachment;	523	my %attachment;
581		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
582	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
584		533
585	use sort 'stable';	534	use sort 'stable';
586		535
…		…
757	# object support	706	# object support
758		707
759	sub reattach {	708	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		713
763	my $registry = $obj->registry;	714	my $registry = $obj->registry;
764		715
765	@$registry = ();	716	@$registry = ();
766		717
…		…
813	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
814		765
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	770	close $fh;
820		771
821	if (@$objs) {	772	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	778	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
829	}	780	}
830	} else {	781	} else {
831	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
898	=cut	849	=cut
899		850
900	sub register_extcmd {	851	sub register_extcmd {
901	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
902		853
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
907	}	855	}
908		856
909	cf::player->attach (	857	cf::player->attach (
910	on_command => sub {	858	on_command => sub {
911	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
924		872
925	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
926		874
927	if (ref $msg) {	875	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	879	}
932	}	880	}
933	} else {	881	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		884
937	cf::override;	885	cf::override;
938	},	886	},
939	);	887	);
940		888
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	889	sub load_extension {
948	my ($path) = @_;	890	my ($path) = @_;
949		891
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	893	my $base = $1;
952	my $pkg = $1;	894	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
955		897
956	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
957		899
958	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
959	or die "$path: $!";	901	or die "$path: $!";
960		902
961	my $source =	903	my $source =
962	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
965	. "\n};\n1";	907	. "\n};\n1";
966		908
967	eval $source	909	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	911	: "extension disabled.\n";
970		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	913	warn $@;
972	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
973		915	exit 1;
974	# no strict 'refs';	916	}
975	# @{"$pkg\::ISA"} = ext::;	917	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	918	}
990		919
991	# remove commands	920	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	921	}
1016		922
1017	sub load_extensions {	923	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	925	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1024	}	930	}
1025	}	931	}
1026		932
1027	#############################################################################	933	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		934
1065	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1066		936
1067	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1068		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1069	=head3 cf::player	945	=head3 cf::player
1070		946
1071	=over 4	947	=over 4
1072		948
1073	=item cf::player::exists $login	949	=item cf::player::find $login
1074		950
1075	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1076		952
1077	=cut	953	=cut
1078		954
1079	sub cf::player::exists($) {	955	sub playerdir($) {
1080	cf::player::find $_[0]	956	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1082	}	961	}
1083		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1085		1135
1086	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1087		1137
1088	=cut	1138	=cut
1089		1139
1090	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1091	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1092		1142
1093	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1094		1144
1095	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1096	}	1187	}
1097		1188
1098	=back	1189	=back
1099
1100		1190
1101	=head3 cf::map	1191	=head3 cf::map
1102		1192
1103	=over 4	1193	=over 4
1104		1194
…		…
1107	package cf::map;	1197	package cf::map;
1108		1198
1109	use Fcntl;	1199	use Fcntl;
1110	use Coro::AIO;	1200	use Coro::AIO;
1111		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1112	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1114		1208
1115	sub generate_random_map {	1209	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1212	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1354	}
1133		1355
1134	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1135	# all maps in C++...	1357	# all maps in C++...
1136	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1138		1360
1139	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1141	}	1363	}
1142		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1143	sub try_load_header($) {	1373	sub load_header_from($) {
1144	my ($path) = @_;	1374	my ($self, $path) = @_;
1145		1375
1146	utf8::encode $path;	1376	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1148	or return;	1381	or return;
1149		1382
1150	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1151	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1152		1429
1153	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1154	$map->path ($path);	1431	unless $self->default_region;
1155		1432
1156	$map->load_header ($path)	1433	1
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1434	}
1163		1435
1164	sub find;	1436	sub find;
1165	sub find {	1437	sub find {
1166	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1167		1439
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1441
1173	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1174		1443
1175	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1177		1446	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1447	or return;
1197		1448
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1210		1450
1211	Coro::cede;	1451	$map->load_header
		1452	or return;
1212		1453
1213	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1457	$map->reset;
1215	undef $guard;	1458	undef $guard;
1216	$map = find $path	1459	return find $path;
1217	or return;
1218	}	1460	}
1219		1461
1220	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1221	}	1463	}
1222	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1223		1468
1224	sub load {	1469	sub load {
1225	my ($self) = @_;	1470	my ($self) = @_;
1226		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1227	my $path = $self->{path};	1474	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1229		1476
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1478
1232	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1233		1480
1234	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1235	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1487	or return;
1237		1488
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1490	if delete $self->{load_original};
1240		1491
1241	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1493	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1495	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1246	}	1497	}
1247	}	1498	}
1248		1499
1249	Coro::cede;	1500	Coro::cede;
1250
1251	# now do the right thing for maps	1501	# now do the right thing for maps
1252	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1253		1504
1254	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1506	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1261	$self->set_darkness_map;	1510	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1264	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1265	}	1516	}
1266		1517
		1518	$self->post_load;
1267	Coro::cede;	1519	Coro::cede;
1268		1520
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1270	}	1555	}
1271		1556
1272	sub find_sync {	1557	sub find_sync {
1273	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1274		1559
1275	cf::sync_job {	1560	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1561	}
1280		1562
1281	sub do_load_sync {	1563	sub do_load_sync {
1282	my ($map) = @_;	1564	my ($map) = @_;
1283		1565
1284	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1285	}	1567	}
1286		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1287	sub save {	1599	sub save {
1288	my ($self) = @_;	1600	my ($self) = @_;
1289		1601
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1603
1292	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1293		1605
1294	return unless $self->dirty;	1606	return unless $self->dirty;
1295		1607
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1610
1299	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1300		1612
1301	return if $self->{deny_save};	1613	return if $self->{deny_save};
1302		1614
1303	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1304		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1305	if ($uniq) {	1621	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1624	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1626	}
1311	}	1627	}
1312		1628
1313	sub swap_out {	1629	sub swap_out {
1314	my ($self) = @_;	1630	my ($self) = @_;
…		…
1328		1644
1329	sub reset_at {	1645	sub reset_at {
1330	my ($self) = @_;	1646	my ($self) = @_;
1331		1647
1332	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1335		1651
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1654
…		…
1343	my ($self) = @_;	1659	my ($self) = @_;
1344		1660
1345	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1346	}	1662	}
1347		1663
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1664	sub reset {
1370	my ($self) = @_;	1665	my ($self) = @_;
1371		1666
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1668
1374	return if $self->players;	1669	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1376		1671
1377	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1378		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1379	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1380		1687
1381	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1382		1689
1383	$self->unlink_save;	1690	$self->unlink_save;
1384	$self->destroy;	1691	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1388		1695
1389	sub nuke {	1696	sub nuke {
1390	my ($self) = @_;	1697	my ($self) = @_;
1391		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1395	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1396	}	1712	}
1397		1713
1398	sub customise_for {	1714	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1715
1401	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1403	}
1404		1718
1405	$map	1719	=cut
1406	}
1407		1720
1408	sub emergency_save {	1721	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1410		1724
1411	warn "enter emergency map save\n";	1725	my @paths;
1412		1726
1413	cf::sync_job {	1727	for (@$files) {
1414	warn "begin emergency map save\n";	1728	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1416	};	1733	}
1417		1734
1418	warn "end emergency map save\n";	1735	\@paths
1419	}	1736	}
1420		1737
1421	package cf;	1738	package cf;
1422		1739
1423	=back	1740	=back
1424		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1425		1768
1426	=head3 cf::object::player	1769	=head3 cf::object::player
1427		1770
1428	=over 4	1771	=over 4
1429		1772
…		…
1469		1812
1470	=item $player_object->enter_link	1813	=item $player_object->enter_link
1471		1814
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1816
1474	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1476		1819
		1820	Will never block.
		1821
1477	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1478		1823
1479	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1827	fails, to the emergency map position.
1483		1828
1484	Might block.	1829	Might block.
1485		1830
1486	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1487		1842
1488	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1844	my ($self) = @_;
1490		1845
1491	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1492		1847
1493	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1849
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1851	if $self->map;
1497		1852
1498	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1854	}
1500		1855
1501	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1503		1858
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1524		1879
1525	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1526		1882
		1883	return unless $self->contr->active;
1527	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1529	}	1888	}
1530		1889
1531	cf::player->attach (	1890	cf::player->attach (
1532	on_logout => sub {	1891	on_logout => sub {
…		…
1543	my ($pl) = @_;	1902	my ($pl) = @_;
1544		1903
1545	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1905	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1550	(Coro::async_pool {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1555	})->prio (2);	1917	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1566		1928
1567	$self->enter_link;	1929	$self->enter_link;
1568		1930
1569	(Coro::async_pool {	1931	(async {
1570	$path = new cf::path $path;	1932	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1574		1935	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1938
1580	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1940	})->prio (1);
1582	}	1941	}
1583		1942
…		…
1587		1946
1588	sub parse_random_map_params {	1947	sub parse_random_map_params {
1589	my ($spec) = @_;	1948	my ($spec) = @_;
1590		1949
1591	my $rmp = { # defaults	1950	my $rmp = { # defaults
1592	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1594	};	1955	};
1595		1956
1596	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1598		1959
…		…
1602	$rmp	1963	$rmp
1603	}	1964	}
1604		1965
1605	sub prepare_random_map {	1966	sub prepare_random_map {
1606	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1970
1608	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1973	# that depends on the exit object
1611		1974
1612	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1613		1976
1614	if ($exit->map) {	1977	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1619	}	1982	}
1620		1983
1621	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1622		1985
1623	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1989
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1628		1994
1629	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1996	$exit->msg (undef);
1631	}	1997	}
1632	}	1998	}
…		…
1634	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1636		2002
1637	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1638		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1639	$self->enter_link;	2016	$self->enter_link;
1640		2017
1641	(Coro::async_pool {	2018	(async {
1642	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2020	unless (eval {
1644	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2022
1650	1;	2023	1;
1651	}) {	2024	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2029
1657	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2031	$self->leave_link;
1659	}	2032	}
1660	})->prio (1);	2033	})->prio (1);
…		…
1673		2046
1674	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1676		2049
1677	utf8::encode $text;	2050	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2052	}
1680		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1681		2066
1682	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1683		2068
1684	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	# get handled first	2099	# get handled first
1715	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2102
1718	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2105
1720	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1721		2107
1722	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2109	if (@$queue) {
…		…
1727	}	2113	}
1728	}	2114	}
1729	},	2115	},
1730	);	2116	);
1731		2117
1732	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1733		2119
1734	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2122	or loss of connection).
1737		2123
1738	=cut	2124	=cut
1739		2125
1740	sub cf::client::coro {	2126	sub cf::client::async {
1741	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1742		2128
1743	my $coro = &Coro::async_pool ($cb);	2129	my $coro = &Coro::async ($cb);
1744		2130
1745	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1747	});	2133	});
1748		2134
…		…
1781		2167
1782	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1783		2169
1784	=pod	2170	=pod
1785		2171
1786	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1787		2173
1788	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2175	cf::object::player player
1790	cf::player peaceful	2176	cf::player peaceful
1791	cf::map trigger	2177	cf::map trigger
…		…
1884	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2271	using it, it should be unique.
1886		2272
1887	=over 4	2273	=over 4
1888		2274
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1896		2276
1897	Returns a single value from the database	2277	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2278
1904	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1905		2280
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2282
1917	=cut	2283	=cut
1918		2284
1919	our $DB;	2285	our $DB;
1920		2286
1921	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1922	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1923		2306
1924	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2311
1928	my $pid;	2312	unlink $path;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2313	};
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});
1950
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {
1957	@_ >= 2
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961
1962	sub db_put($$;$) {
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2314	}
1976	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1977	}	2332	}
1978		2333
1979	#############################################################################	2334	#############################################################################
1980	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	our $archetypes_loaded;
		2390
		2391	sub load_archetypes {
		2392	return 1 if $archetypes_loaded++; # current can only load them once
		2393	# load_archetype_file sprintf "%s/archetypes", cf::datadir;
		2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2395	}
		2396
		2397	sub load_treasures {
		2398	load_treasure_file sprintf "%s/treasures", cf::datadir
		2399	}
		2400
		2401	sub reload_resources {
		2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2403	or die "unable to load regions file\n";
		2404	load_facedata
		2405	or die "unable to load facedata\n";
		2406	load_archetypes
		2407	or die "unable to load archetypes\n";
		2408	load_treasures
		2409	or die "unable to load treasurelists\n";
		2410	}
		2411
		2412	sub init {
		2413	reload_resources;
		2414	}
1981		2415
1982	sub cfg_load {	2416	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2417	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2418	or return;
1985		2419
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2427
1994	if (exists $CFG{mlockall}) {	2428	if (exists $CFG{mlockall}) {
1995	eval {	2429	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2430	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2431	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2432	};
1999	warn $@ if $@;	2433	warn $@ if $@;
2000	}	2434	}
2001	}	2435	}
2002		2436
2003	sub main {	2437	sub main {
2004	# we must not ever block the main coroutine	2438	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2439	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2441	(async {
		2442	Event::one_event;
		2443	})->prio (Coro::PRIO_MAX);
2008	};	2444	};
2009		2445
2010	cfg_load;	2446	cfg_load;
2011	db_load;	2447	db_init;
2012	load_extensions;	2448	load_extensions;
		2449
		2450	$TICK_WATCHER->start;
2013	Event::loop;	2451	Event::loop;
2014	}	2452	}
2015		2453
2016	#############################################################################	2454	#############################################################################
2017	# initialisation	2455	# initialisation and cleanup
		2456
		2457	# install some emergency cleanup handlers
		2458	BEGIN {
		2459	for my $signal (qw(INT HUP TERM)) {
		2460	Event->signal (
		2461	reentrant => 0,
		2462	data => WF_AUTOCANCEL,
		2463	signal => $signal,
		2464	prio => 0,
		2465	cb => sub {
		2466	cf::cleanup "SIG$signal";
		2467	},
		2468	);
		2469	}
		2470	}
		2471
		2472	sub emergency_save() {
		2473	my $freeze_guard = cf::freeze_mainloop;
		2474
		2475	warn "enter emergency perl save\n";
		2476
		2477	cf::sync_job {
		2478	# use a peculiar iteration method to avoid tripping on perl
		2479	# refcount bugs in for. also avoids problems with players
		2480	# and maps saved/destroyed asynchronously.
		2481	warn "begin emergency player save\n";
		2482	for my $login (keys %cf::PLAYER) {
		2483	my $pl = $cf::PLAYER{$login} or next;
		2484	$pl->valid or next;
		2485	$pl->save;
		2486	}
		2487	warn "end emergency player save\n";
		2488
		2489	warn "begin emergency map save\n";
		2490	for my $path (keys %cf::MAP) {
		2491	my $map = $cf::MAP{$path} or next;
		2492	$map->valid or next;
		2493	$map->save;
		2494	}
		2495	warn "end emergency map save\n";
		2496
		2497	warn "begin emergency database checkpoint\n";
		2498	BDB::db_env_txn_checkpoint $DB_ENV;
		2499	warn "end emergency database checkpoint\n";
		2500	};
		2501
		2502	warn "leave emergency perl save\n";
		2503	}
		2504
		2505	sub post_cleanup {
		2506	my ($make_core) = @_;
		2507
		2508	warn Carp::longmess "post_cleanup backtrace"
		2509	if $make_core;
		2510	}
2018		2511
2019	sub reload() {	2512	sub reload() {
2020	# can/must only be called in main	2513	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2514	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2515	warn "can only reload from main coroutine";
2023	return;	2516	return;
2024	}	2517	}
2025		2518
2026	warn "reloading...";	2519	warn "reloading...";
2027		2520
2028	my $guard = freeze_mainloop;	2521	warn "entering sync_job";
		2522
		2523	cf::sync_job {
		2524	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2525	cf::emergency_save;
		2526	cf::write_runtime; # external watchdog should not bark
2030		2527
2031	eval {	2528	warn "syncing database to disk";
		2529	BDB::db_env_txn_checkpoint $DB_ENV;
		2530
2032	# if anything goes wrong in here, we should simply crash as we already saved	2531	# if anything goes wrong in here, we should simply crash as we already saved
2033		2532
2034	# cancel all watchers	2533	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2534	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2536	}
2038		2537
		2538	warn "flushing outstanding aio requests";
		2539	for (;;) {
		2540	BDB::flush;
		2541	IO::AIO::flush;
		2542	Coro::cede;
		2543	last unless IO::AIO::nreqs || BDB::nreqs;
		2544	warn "iterate...";
		2545	}
		2546
		2547	++$RELOAD;
		2548
2039	# cancel all extension coros	2549	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2550	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2551	%EXT_CORO = ();
2042		2552
2043	# unload all extensions	2553	warn "removing commands";
2044	for (@exts) {	2554	%COMMAND = ();
		2555
		2556	warn "removing ext commands";
		2557	%EXTCMD = ();
		2558
		2559	warn "unloading/nuking all extensions";
		2560	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2561	warn "... unloading $pkg";
2046	unload_extension $_;	2562
		2563	if (my $cb = $pkg->can ("unload")) {
		2564	eval {
		2565	$cb->($pkg);
		2566	1
		2567	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2568	}
2048		2569
		2570	warn "... nuking $pkg";
		2571	Symbol::delete_package $pkg;
		2572	}
		2573
2049	# unload all modules loaded from $LIBDIR	2574	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2575	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2576	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2577
2053	warn "removing <$k>";	2578	warn "... unloading $k";
2054	delete $INC{$k};	2579	delete $INC{$k};
2055		2580
2056	$k =~ s/\.pm$//;	2581	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2582	$k =~ s/\//::/g;
2058		2583
…		…
2061	}	2586	}
2062		2587
2063	Symbol::delete_package $k;	2588	Symbol::delete_package $k;
2064	}	2589	}
2065		2590
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2591	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2592	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2594
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2595	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2596	delete $INC{"cf.pm"};
2079		2597
2080	# don't, removes xs symbols, too,	2598	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2599	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2600	#Symbol::delete_package __PACKAGE__;
2083		2601
2084	# reload cf.pm	2602	warn "unload completed, starting to reload now";
		2603
2085	warn "reloading cf.pm";	2604	warn "reloading cf.pm";
2086	require cf;	2605	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2607
2089	# load config and database again	2608	warn "loading config and database again";
2090	cf::cfg_load;	2609	cf::cfg_load;
2091	cf::db_load;
2092		2610
2093	# load extensions
2094	warn "load extensions";	2611	warn "loading extensions";
2095	cf::load_extensions;	2612	cf::load_extensions;
2096		2613
2097	# reattach attachments to objects	2614	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2615	_global_reattach; # objects, sockets
2099	_global_reattach;	2616	warn "reattaching attachments to maps";
2100	};	2617	reattach $_ for values %MAP;
		2618	warn "reattaching attachments to players";
		2619	reattach $_ for values %PLAYER;
2101		2620
2102	if ($@) {	2621	warn "loading reloadable resources";
		2622	reload_resources;
		2623
		2624	warn "leaving sync_job";
		2625
		2626	1
		2627	} or do {
2103	warn $@;	2628	warn $@;
2104	warn "error while reloading, exiting.";	2629	warn "error while reloading, exiting.";
2105	exit 1;	2630	exit 1;
2106	}	2631	};
2107		2632
2108	warn "reloaded successfully";	2633	warn "reloaded";
2109	};	2634	};
2110		2635
2111	#############################################################################	2636	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2637
2156	register_command "reload" => sub {	2638	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2639	my ($who, $arg) = @_;
2158		2640
2159	if ($who->flag (FLAG_WIZ)) {	2641	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2642	$who->message ("reloading server.");
		2643
		2644	# doing reload synchronously and two reloads happen back-to-back,
		2645	# coro crashes during coro_state_free->destroy here.
		2646
		2647	$RELOAD_WATCHER ||= Event->timer (
		2648	reentrant => 0,
		2649	after => 0,
		2650	data => WF_AUTOCANCEL,
		2651	cb => sub {
2161	reload;	2652	reload;
2162	$who->message ("end of reload.");	2653	undef $RELOAD_WATCHER;
		2654	},
		2655	);
2163	}	2656	}
2164	};	2657	};
2165		2658
2166	unshift @INC, $LIBDIR;	2659	unshift @INC, $LIBDIR;
		2660
		2661	my $bug_warning = 0;
		2662
		2663	our @WAIT_FOR_TICK;
		2664	our @WAIT_FOR_TICK_BEGIN;
		2665
		2666	sub wait_for_tick {
		2667	return unless $TICK_WATCHER->is_active;
		2668	return if $Coro::current == $Coro::main;
		2669
		2670	my $signal = new Coro::Signal;
		2671	push @WAIT_FOR_TICK, $signal;
		2672	$signal->wait;
		2673	}
		2674
		2675	sub wait_for_tick_begin {
		2676	return unless $TICK_WATCHER->is_active;
		2677	return if $Coro::current == $Coro::main;
		2678
		2679	my $signal = new Coro::Signal;
		2680	push @WAIT_FOR_TICK_BEGIN, $signal;
		2681	$signal->wait;
		2682	}
2167		2683
2168	$TICK_WATCHER = Event->timer (	2684	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2685	reentrant => 0,
		2686	parked => 1,
2170	prio => 0,	2687	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2688	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2689	data => WF_AUTOCANCEL,
2173	cb => sub {	2690	cb => sub {
		2691	if ($Coro::current != $Coro::main) {
		2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2693	unless ++$bug_warning > 10;
		2694	return;
		2695	}
		2696
		2697	$NOW = Event::time;
		2698
2174	cf::server_tick; # one server iteration	2699	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2700	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2701	$NEXT_TICK += $TICK;
		2702
		2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2704	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2705	Coro::async_pool {
		2706	write_runtime
		2707	or warn "ERROR: unable to write runtime file: $!";
		2708	};
		2709	}
		2710
		2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2712	$sig->send;
		2713	}
		2714	while (my $sig = shift @WAIT_FOR_TICK) {
		2715	$sig->send;
		2716	}
		2717
		2718	# my $AFTER = Event::time;
		2719	# warn $AFTER - $NOW;#d#
2177		2720
2178	# if we are delayed by four ticks or more, skip them all	2721	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2723
2181	$TICK_WATCHER->at ($NEXT_TICK);	2724	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2725	$TICK_WATCHER->start;
2183	},	2726	},
2184	);	2727	);
2185		2728
		2729	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2730	BDB::max_poll_time $TICK * 0.1;
2187		2731	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2732	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2733	fd => BDB::poll_fileno,
2190	poll => 'r',	2734	poll => 'r',
2191	prio => 5,	2735	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2198	after => 0,	2737	cb => \&BDB::poll_cb,
2199	interval => 10,	2738	);
2200	cb => sub {	2739	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2740
2202	write_runtime	2741	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2742	my $status;
		2743	my $current = $Coro::current;
		2744	(
		2745	sub {
		2746	$status = $!;
		2747	$current->ready; undef $current;
		2748	},
		2749	sub {
		2750	Coro::schedule while defined $current;
		2751	$! = $status;
		2752	},
		2753	)
		2754	};
		2755
		2756	unless ($DB_ENV) {
		2757	$DB_ENV = BDB::db_env_create;
		2758
		2759	cf::sync_job {
		2760	eval {
		2761	BDB::db_env_open
		2762	$DB_ENV,
		2763	$BDB_ENV_DIR,
		2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2766	0666;
		2767
		2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2769
		2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2771	$DB_ENV->set_lk_detect;
		2772	};
		2773
		2774	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2775	};
2205	},	2776	}
2206	);	2777	}
		2778
		2779	{
		2780	IO::AIO::min_parallel 8;
		2781
		2782	undef $Coro::AIO::WATCHER;
		2783	IO::AIO::max_poll_time $TICK * 0.1;
		2784	$AIO_POLL_WATCHER = Event->io (
		2785	reentrant => 0,
		2786	data => WF_AUTOCANCEL,
		2787	fd => IO::AIO::poll_fileno,
		2788	poll => 'r',
		2789	prio => 6,
		2790	cb => \&IO::AIO::poll_cb,
		2791	);
		2792	}
2207		2793
2208	END { cf::emergency_save }	2794	END { cf::emergency_save }
2209		2795
2210	1	2796	1
2211		2797

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