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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 1.251 by root, Wed Apr 18 14:45:13 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		85
57	binmode STDOUT;	86	binmode STDOUT;
58	binmode STDERR;	87	binmode STDERR;
59		88
60	# read virtual server time, if available	89	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	96	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
72		102
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
76		106
77	#############################################################################	107	#############################################################################
78		108
79	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
80		110
…		…
104		134
105	=item %cf::CFG	135	=item %cf::CFG
106		136
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
114	BEGIN {	150	BEGIN {
115	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	152	my $msg = join "", @_;
117	utf8::encode $msg;
118		153
119	$msg .= "\n"	154	$msg .= "\n"
120	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
121		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
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
…		…
224	}	265	}
225		266
226	sub freeze_mainloop {	267	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
228		269
229	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
230	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
231	$guard	274	$guard
232	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
233		286
234	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
235		288
236	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
237	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
…		…
256	my $freeze_guard = freeze_mainloop;	309	my $freeze_guard = freeze_mainloop;
257		310
258	my $busy = 1;	311	my $busy = 1;
259	my @res;	312	my @res;
260		313
261	(Coro::async_pool {	314	(async {
262	@res = eval { $job->() };	315	@res = eval { $job->() };
263	warn $@ if $@;	316	warn $@ if $@;
264	undef $busy;	317	undef $busy;
265	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
266		319
267	while ($busy) {	320	while ($busy) {
268	unless (Coro::cede) {	321	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	}	322	}
273		323
274	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
275	} else {	325	} else {
276	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
277		327
278	$job->()	328	$job->()
279	}	329	}
280	}	330	}
281		331
282	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
283		333
284	Creates (and readies) and returns a new coro. This coro is automcatially	334	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
286		336
287	=cut	337	=cut
288		338
289	sub coro(&) {	339	sub async_ext(&) {
290	my $cb = shift;	340	my $cb = shift;
291		341
292	my $coro = &Coro::async_pool ($cb);	342	my $coro = &Coro::async ($cb);
293		343
294	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
296	});	346	});
297	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
298		348
299	$coro	349	$coro
300	}	350	}
301		351
302	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
303	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
304		356
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	358	or return;
307		359
		360	my $value = $cf::RUNTIME + 90 + 10;
308	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
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	365	and return;
311		366
		367	# always fsync - this file is important
312	aio_fsync $fh	368	aio_fsync $fh
313	and return;	369	and return;
314		370
315	close $fh	371	close $fh
316	or return;	372	or return;
…		…
319	and return;	375	and return;
320		376
321	1	377	1
322	}	378	}
323		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
324	=back	391	=back
325		392
326	=cut	393	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($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		394
448	#############################################################################	395	#############################################################################
449		396
450	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
451		398
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	525	our @CB_MAP = ();
579		526
580	my %attachment;	527	my %attachment;
581		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
582	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
584		537
585	use sort 'stable';	538	use sort 'stable';
586		539
…		…
757	# object support	710	# object support
758		711
759	sub reattach {	712	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		717
763	my $registry = $obj->registry;	718	my $registry = $obj->registry;
764		719
765	@$registry = ();	720	@$registry = ();
766		721
…		…
813	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
814		769
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	774	close $fh;
820		775
821	if (@$objs) {	776	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	782	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
829	}	784	}
830	} else {	785	} else {
831	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
898	=cut	853	=cut
899		854
900	sub register_extcmd {	855	sub register_extcmd {
901	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
902		857
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
907	}	859	}
908		860
909	cf::player->attach (	861	cf::player->attach (
910	on_command => sub {	862	on_command => sub {
911	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
924		876
925	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
926		878
927	if (ref $msg) {	879	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	883	}
932	}	884	}
933	} else {	885	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		888
937	cf::override;	889	cf::override;
938	},	890	},
939	);	891	);
940		892
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	893	sub load_extension {
948	my ($path) = @_;	894	my ($path) = @_;
949		895
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	897	my $base = $1;
952	my $pkg = $1;	898	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
955		901
956	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
957		903
958	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
959	or die "$path: $!";	905	or die "$path: $!";
960		906
961	my $source =	907	my $source =
962	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
965	. "\n};\n1";	911	. "\n};\n1";
966		912
967	eval $source	913	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	915	: "extension disabled.\n";
970		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	917	warn $@;
972	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
973		919	exit 1;
974	# no strict 'refs';	920	}
975	# @{"$pkg\::ISA"} = ext::;	921	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	# }	922	}
990		923
991	# remove commands	924	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	}	925	}
1016		926
1017	sub load_extensions {	927	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	929	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1024	}	934	}
1025	}	935	}
1026		936
1027	#############################################################################	937	#############################################################################
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		938
1065	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1066		940
1067	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1068		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1069	=head3 cf::player	949	=head3 cf::player
1070		950
1071	=over 4	951	=over 4
1072		952
1073	=item cf::player::exists $login	953	=item cf::player::find $login
1074		954
1075	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1076		956
1077	=cut	957	=cut
1078		958
1079	sub cf::player::exists($) {	959	sub playerdir($) {
1080	cf::player::find $_[0]	960	cf::localdir
1081	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])
1082	}	965	}
1083		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
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1085		1139
1086	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1087		1141
1088	=cut	1142	=cut
1089		1143
1090	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1091	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1092		1146
1093	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1094		1148
1095	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1096	}	1191	}
1097		1192
1098	=back	1193	=back
1099
1100		1194
1101	=head3 cf::map	1195	=head3 cf::map
1102		1196
1103	=over 4	1197	=over 4
1104		1198
…		…
1107	package cf::map;	1201	package cf::map;
1108		1202
1109	use Fcntl;	1203	use Fcntl;
1110	use Coro::AIO;	1204	use Coro::AIO;
1111		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1112	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1114		1212
1115	sub generate_random_map {	1213	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1216	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$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},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(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
1132	}	1358	}
1133		1359
1134	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1135	# all maps in C++...	1361	# all maps in C++...
1136	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1138		1364
1139	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1141	}	1367	}
1142		1368
		1369	sub unlink_save {
		1370	my ($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
1143	sub try_load_header($) {	1377	sub load_header_from($) {
1144	my ($path) = @_;	1378	my ($self, $path) = @_;
1145		1379
1146	utf8::encode $path;	1380	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1148	or return;	1385	or return;
1149		1386
1150	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
1151	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1152		1433
1153	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1154	$map->path ($path);	1435	unless $self->default_region;
1155		1436
1156	$map->load_header ($path)	1437	1
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1438	}
1163		1439
1164	sub find;	1440	sub find;
1165	sub find {	1441	sub find {
1166	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1167		1443
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1445
1173	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1174		1447
1175	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1177		1450	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;	1451	or return;
1197		1452
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;	1453	$map->{last_save} = $cf::RUNTIME;
1210		1454
1211	Coro::cede;	1455	$map->load_header
		1456	or return;
1212		1457
1213	if ($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;
1214	$map->reset;	1461	$map->reset;
1215	undef $guard;	1462	undef $guard;
1216	$map = find $path	1463	return find $path;
1217	or return;
1218	}	1464	}
1219		1465
1220	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1221	}	1467	}
1222	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1223		1472
1224	sub load {	1473	sub load {
1225	my ($self) = @_;	1474	my ($self) = @_;
1226		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1227	my $path = $self->{path};	1478	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1229		1480
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1482
1232	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1233		1484
1234	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1235	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1491	or return;
1237		1492
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1494	if delete $self->{load_original};
1240		1495
1241	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1497	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1499	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1246	}	1501	}
1247	}	1502	}
1248		1503
1249	Coro::cede;	1504	Coro::cede;
1250
1251	# now do the right thing for maps	1505	# now do the right thing for maps
1252	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1253		1508
1254	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1510	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1261	$self->set_darkness_map;	1514	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1264	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1265	}	1520	}
1266		1521
		1522	$self->post_load;
1267	Coro::cede;	1523	Coro::cede;
1268		1524
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
1270	}	1559	}
1271		1560
1272	sub find_sync {	1561	sub find_sync {
1273	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1274		1563
1275	cf::sync_job {	1564	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1565	}
1280		1566
1281	sub do_load_sync {	1567	sub do_load_sync {
1282	my ($map) = @_;	1568	my ($map) = @_;
1283		1569
1284	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1285	}	1571	}
1286		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1287	sub save {	1603	sub save {
1288	my ($self) = @_;	1604	my ($self) = @_;
1289		1605
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1607
1292	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1293		1609
1294	return unless $self->dirty;	1610	return unless $self->dirty;
1295		1611
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1614
1299	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1300		1616
1301	return if $self->{deny_save};	1617	return if $self->{deny_save};
1302		1618
1303	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1304		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1305	if ($uniq) {	1625	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1628	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1630	}
1311	}	1631	}
1312		1632
1313	sub swap_out {	1633	sub swap_out {
1314	my ($self) = @_;	1634	my ($self) = @_;
…		…
1328		1648
1329	sub reset_at {	1649	sub reset_at {
1330	my ($self) = @_;	1650	my ($self) = @_;
1331		1651
1332	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1335		1655
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1658
…		…
1343	my ($self) = @_;	1663	my ($self) = @_;
1344		1664
1345	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1346	}	1666	}
1347		1667
1348	sub unlink_save {
1349	my ($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	$self->save;
1367	}
1368
1369	sub reset {	1668	sub reset {
1370	my ($self) = @_;	1669	my ($self) = @_;
1371		1670
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1672
1374	return if $self->players;	1673	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1376		1675
1377	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1378		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1379	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1380		1691
1381	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1382		1693
1383	$self->unlink_save;	1694	$self->unlink_save;
1384	$self->destroy;	1695	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1388		1699
1389	sub nuke {	1700	sub nuke {
1390	my ($self) = @_;	1701	my ($self) = @_;
1391		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1395	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1396	}	1716	}
1397		1717
1398	sub customise_for {	1718	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1719
1401	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1403	}
1404		1722
1405	$map	1723	=cut
1406	}
1407		1724
1408	sub emergency_save {	1725	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1410		1728
1411	warn "enter emergency map save\n";	1729	my @paths;
1412		1730
1413	cf::sync_job {	1731	for (@$files) {
1414	warn "begin emergency map save\n";	1732	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1416	};	1737	}
1417		1738
1418	warn "end emergency map save\n";	1739	\@paths
1419	}	1740	}
1420		1741
1421	package cf;	1742	package cf;
1422		1743
1423	=back	1744	=back
1424		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1425		1772
1426	=head3 cf::object::player	1773	=head3 cf::object::player
1427		1774
1428	=over 4	1775	=over 4
1429		1776
…		…
1469		1816
1470	=item $player_object->enter_link	1817	=item $player_object->enter_link
1471		1818
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1820
1474	The player should be reaosnably safe there for short amounts of time. You	1821	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.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1476		1823
		1824	Will never block.
		1825
1477	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1478		1827
1479	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1831	fails, to the emergency map position.
1483		1832
1484	Might block.	1833	Might block.
1485		1834
1486	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1487		1846
1488	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1848	my ($self) = @_;
1490		1849
1491	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1492		1851
1493	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1853
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1855	if $self->map;
1497		1856
1498	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1858	}
1500		1859
1501	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1503		1862
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1524		1883
1525	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1526		1886
		1887	return unless $self->contr->active;
1527	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1529	}	1892	}
1530		1893
1531	cf::player->attach (	1894	cf::player->attach (
1532	on_logout => sub {	1895	on_logout => sub {
…		…
1543	my ($pl) = @_;	1906	my ($pl) = @_;
1544		1907
1545	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1909	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1550	(Coro::async_pool {	1912	(async {
		1913	$pl->ob->reply (undef,
		1914	"There was an internal problem at your last logout, "
		1915	. "the server will try to bring you to your intended destination in a second.",
		1916	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1917	# 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	1918	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1555	})->prio (2);	1921	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1566		1932
1567	$self->enter_link;	1933	$self->enter_link;
1568		1934
1569	(Coro::async_pool {	1935	(async {
1570	$path = new cf::path $path;	1936	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1574		1939	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1942
1580	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1944	})->prio (1);
1582	}	1945	}
1583		1946
…		…
1587		1950
1588	sub parse_random_map_params {	1951	sub parse_random_map_params {
1589	my ($spec) = @_;	1952	my ($spec) = @_;
1590		1953
1591	my $rmp = { # defaults	1954	my $rmp = { # defaults
1592	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1594	};	1959	};
1595		1960
1596	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1598		1963
…		…
1602	$rmp	1967	$rmp
1603	}	1968	}
1604		1969
1605	sub prepare_random_map {	1970	sub prepare_random_map {
1606	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1974
1608	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1977	# that depends on the exit object
1611		1978
1612	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1613		1980
1614	if ($exit->map) {	1981	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1619	}	1986	}
1620		1987
1621	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1622		1989
1623	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1993
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1628		1998
1629	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2000	$exit->msg (undef);
1631	}	2001	}
1632	}	2002	}
…		…
1634	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1636		2006
1637	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1638		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1639	$self->enter_link;	2020	$self->enter_link;
1640		2021
1641	(Coro::async_pool {	2022	(async {
1642	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2024	unless (eval {
1644	prepare_random_map $exit	2025	$self->goto ($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		2026
1650	1;	2027	1;
1651	}) {	2028	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2033
1657	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2035	$self->leave_link;
1659	}	2036	}
1660	})->prio (1);	2037	})->prio (1);
…		…
1673		2050
1674	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1676		2053
1677	utf8::encode $text;	2054	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2056	}
1680		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1681		2070
1682	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1683		2072
1684	Queues a query to the client, calling the given callback with	2073	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>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	# get handled first	2103	# get handled first
1715	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2106
1718	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2109
1720	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1721		2111
1722	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2113	if (@$queue) {
…		…
1727	}	2117	}
1728	}	2118	}
1729	},	2119	},
1730	);	2120	);
1731		2121
1732	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1733		2123
1734	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2125	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2126	or loss of connection).
1737		2127
1738	=cut	2128	=cut
1739		2129
1740	sub cf::client::coro {	2130	sub cf::client::async {
1741	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1742		2132
1743	my $coro = &Coro::async_pool ($cb);	2133	my $coro = &Coro::async ($cb);
1744		2134
1745	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1747	});	2137	});
1748		2138
…		…
1781		2171
1782	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1783		2173
1784	=pod	2174	=pod
1785		2175
1786	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1787		2177
1788	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2179	cf::object::player player
1790	cf::player peaceful	2180	cf::player peaceful
1791	cf::map trigger	2181	cf::map trigger
…		…
1876	#############################################################################	2266	#############################################################################
1877		2267
1878	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1879		2269
1880	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1881	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1882	excludes objects.	2272	convert to/from binary).
1883		2273
1884	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2275	using it, it should be unique.
1886		2276
1887	=over 4	2277	=over 4
1888		2278
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	2279	=item $value = cf::db_get $family => $key
1896		2280
1897	Returns a single value from the database	2281	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		2282
1904	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1905		2284
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	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		2286
1917	=cut	2287	=cut
1918		2288
1919	our $DB;	2289	our $DB;
1920		2290
1921	{	2291	sub db_init {
1922	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1923		2294
1924	sub db_load() {	2295	cf::sync_job {
1925	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1926	}	2297	$DB->set_flags (BDB::CHKSUM);
1927		2298
1928	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1929		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1930	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1931	waitpid $pid, 0 if $pid;	2302	};
1932	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2304	};
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	});	2305	}
		2306	}
1950		2307
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {	2308	sub db_get($$) {
1957	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1962	sub db_put($$;$) {	2319	sub db_put($$$) {
1963	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1964	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1965	} else {	2322	}
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970		2323
1971	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1972	prio => 10000,	2325
1973	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1974	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1975	},	2356	}
1976	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
1977	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1978		2434
1979	#############################################################################	2435	#############################################################################
1980	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
1981		2524
1982	sub cfg_load {	2525	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2527	or return;
1985		2528
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2534	$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};	2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2536
1994	if (exists $CFG{mlockall}) {	2537	if (exists $CFG{mlockall}) {
1995	eval {	2538	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2540	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2541	};
1999	warn $@ if $@;	2542	warn $@ if $@;
2000	}	2543	}
2001	}	2544	}
2002		2545
2003	sub main {	2546	sub main {
2004	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2550	(async {
		2551	Event::one_event;
		2552	})->prio (Coro::PRIO_MAX);
2008	};	2553	};
2009		2554
2010	cfg_load;	2555	cfg_load;
2011	db_load;	2556	db_init;
2012	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2013	Event::loop;	2560	Event::loop;
2014	}	2561	}
2015		2562
2016	#############################################################################	2563	#############################################################################
2017	# initialisation	2564	# initialisation and cleanup
2018		2565
		2566	# install some emergency cleanup handlers
		2567	BEGIN {
		2568	for my $signal (qw(INT HUP TERM)) {
		2569	Event->signal (
		2570	reentrant => 0,
		2571	data => WF_AUTOCANCEL,
		2572	signal => $signal,
		2573	prio => 0,
		2574	cb => sub {
		2575	cf::cleanup "SIG$signal";
		2576	},
		2577	);
		2578	}
		2579	}
		2580
		2581	sub emergency_save() {
		2582	my $freeze_guard = cf::freeze_mainloop;
		2583
		2584	warn "enter emergency perl save\n";
		2585
		2586	cf::sync_job {
		2587	# use a peculiar iteration method to avoid tripping on perl
		2588	# refcount bugs in for. also avoids problems with players
		2589	# and maps saved/destroyed asynchronously.
		2590	warn "begin emergency player save\n";
		2591	for my $login (keys %cf::PLAYER) {
		2592	my $pl = $cf::PLAYER{$login} or next;
		2593	$pl->valid or next;
		2594	$pl->save;
		2595	}
		2596	warn "end emergency player save\n";
		2597
		2598	warn "begin emergency map save\n";
		2599	for my $path (keys %cf::MAP) {
		2600	my $map = $cf::MAP{$path} or next;
		2601	$map->valid or next;
		2602	$map->save;
		2603	}
		2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
		2609	};
		2610
		2611	warn "leave emergency perl save\n";
		2612	}
		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2019	sub reload() {	2621	sub do_reload_perl() {
2020	# can/must only be called in main	2622	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2023	return;	2625	return;
2024	}	2626	}
2025		2627
2026	warn "reloading...";	2628	warn "reloading...";
2027		2629
2028	my $guard = freeze_mainloop;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2030		2636
2031	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2032	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
2033		2641
2034	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2645	}
2038		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2039	# cancel all extension coros	2658	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2660	%EXT_CORO = ();
2042		2661
2043	# unload all extensions	2662	warn "removing commands";
2044	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2046	unload_extension $_;	2671
		2672	if (my $cb = $pkg->can ("unload")) {
		2673	eval {
		2674	$cb->($pkg);
		2675	1
		2676	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2677	}
2048		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2049	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2686
2053	warn "removing <$k>";	2687	warn "... unloading $k";
2054	delete $INC{$k};	2688	delete $INC{$k};
2055		2689
2056	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2058		2692
…		…
2061	}	2695	}
2062		2696
2063	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2064	}	2698	}
2065		2699
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2703
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
2079		2706
2080	# don't, removes xs symbols, too,	2707	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2708	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2709	#Symbol::delete_package __PACKAGE__;
2083		2710
2084	# reload cf.pm	2711	warn "unload completed, starting to reload now";
		2712
2085	warn "reloading cf.pm";	2713	warn "reloading cf.pm";
2086	require cf;	2714	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2716
2089	# load config and database again	2717	warn "loading config and database again";
2090	cf::cfg_load;	2718	cf::cfg_load;
2091	cf::db_load;
2092		2719
2093	# load extensions
2094	warn "load extensions";	2720	warn "loading extensions";
2095	cf::load_extensions;	2721	cf::load_extensions;
2096		2722
2097	# reattach attachments to objects	2723	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2724	_global_reattach; # objects, sockets
2099	_global_reattach;	2725	warn "reattaching attachments to maps";
2100	};	2726	reattach $_ for values %MAP;
		2727	warn "reattaching attachments to players";
		2728	reattach $_ for values %PLAYER;
2101		2729
2102	if ($@) {	2730	warn "leaving sync_job";
		2731
		2732	1
		2733	} or do {
2103	warn $@;	2734	warn $@;
2104	warn "error while reloading, exiting.";	2735	warn "error while reloading, exiting.";
2105	exit 1;	2736	exit 1;
2106	}	2737	};
2107		2738
2108	warn "reloaded successfully";	2739	warn "reloaded";
2109	};	2740	};
2110		2741
2111	#############################################################################	2742	our $RELOAD_WATCHER; # used only during reload
2112		2743
2113	unless ($LINK_MAP) {	2744	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	2745	# doing reload synchronously and two reloads happen back-to-back,
		2746	# coro crashes during coro_state_free->destroy here.
2115		2747
2116	$LINK_MAP->width (41);	2748	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	2749	reentrant => 0,
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,	2750	after => 0,
		2751	data => WF_AUTOCANCEL,
2126	cb => sub {	2752	cb => sub {
2127	$_[0]->w->cancel;	2753	do_reload_perl;
2128		2754	undef $RELOAD_WATCHER;
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	});	2755	},
2147		2756	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	2757	}
2153
2154	register "<global>", __PACKAGE__;
2155		2758
2156	register_command "reload" => sub {	2759	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2760	my ($who, $arg) = @_;
2158		2761
2159	if ($who->flag (FLAG_WIZ)) {	2762	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	2763	$who->message ("reloading server.");
		2764	async { reload_perl };
2163	}	2765	}
2164	};	2766	};
2165		2767
2166	unshift @INC, $LIBDIR;	2768	unshift @INC, $LIBDIR;
		2769
		2770	my $bug_warning = 0;
		2771
		2772	our @WAIT_FOR_TICK;
		2773	our @WAIT_FOR_TICK_BEGIN;
		2774
		2775	sub wait_for_tick {
		2776	return unless $TICK_WATCHER->is_active;
		2777	return if $Coro::current == $Coro::main;
		2778
		2779	my $signal = new Coro::Signal;
		2780	push @WAIT_FOR_TICK, $signal;
		2781	$signal->wait;
		2782	}
		2783
		2784	sub wait_for_tick_begin {
		2785	return unless $TICK_WATCHER->is_active;
		2786	return if $Coro::current == $Coro::main;
		2787
		2788	my $signal = new Coro::Signal;
		2789	push @WAIT_FOR_TICK_BEGIN, $signal;
		2790	$signal->wait;
		2791	}
2167		2792
2168	$TICK_WATCHER = Event->timer (	2793	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2794	reentrant => 0,
		2795	parked => 1,
2170	prio => 0,	2796	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2797	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2798	data => WF_AUTOCANCEL,
2173	cb => sub {	2799	cb => sub {
		2800	if ($Coro::current != $Coro::main) {
		2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2802	unless ++$bug_warning > 10;
		2803	return;
		2804	}
		2805
		2806	$NOW = Event::time;
		2807
2174	cf::server_tick; # one server iteration	2808	cf::server_tick; # one server iteration
		2809
2175	$RUNTIME += $TICK;	2810	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2811	$NEXT_TICK += $TICK;
2177		2812
		2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2814	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2815	Coro::async_pool {
		2816	write_runtime
		2817	or warn "ERROR: unable to write runtime file: $!";
		2818	};
		2819	}
		2820
		2821	# my $AFTER = Event::time;
		2822	# warn $AFTER - $NOW;#d#
		2823
2178	# if we are delayed by four ticks or more, skip them all	2824	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2826
2181	$TICK_WATCHER->at ($NEXT_TICK);	2827	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2828	$TICK_WATCHER->start;
		2829
		2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2831	$sig->send;
		2832	}
		2833	while (my $sig = shift @WAIT_FOR_TICK) {
		2834	$sig->send;
		2835	}
		2836
		2837	_post_tick;
2183	},	2838	},
2184	);	2839	);
2185		2840
		2841	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2842	BDB::max_poll_time $TICK * 0.1;
2187		2843	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2844	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2845	fd => BDB::poll_fileno,
2190	poll => 'r',	2846	poll => 'r',
2191	prio => 5,	2847	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2848	data => WF_AUTOCANCEL,
2198	after => 0,	2849	cb => \&BDB::poll_cb,
2199	interval => 10,	2850	);
2200	cb => sub {	2851	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2852
2202	write_runtime	2853	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2854	my $status;
		2855	my $current = $Coro::current;
		2856	(
		2857	sub {
		2858	$status = $!;
		2859	$current->ready; undef $current;
		2860	},
		2861	sub {
		2862	Coro::schedule while defined $current;
		2863	$! = $status;
		2864	},
		2865	)
		2866	};
		2867
		2868	unless ($DB_ENV) {
		2869	$DB_ENV = BDB::db_env_create;
		2870
		2871	cf::sync_job {
		2872	eval {
		2873	BDB::db_env_open
		2874	$DB_ENV,
		2875	$BDB_ENV_DIR,
		2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2878	0666;
		2879
		2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2881
		2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2883	$DB_ENV->set_lk_detect;
		2884	};
		2885
		2886	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2887	};
2205	},	2888	}
2206	);	2889	}
		2890
		2891	{
		2892	IO::AIO::min_parallel 8;
		2893
		2894	undef $Coro::AIO::WATCHER;
		2895	IO::AIO::max_poll_time $TICK * 0.1;
		2896	$AIO_POLL_WATCHER = Event->io (
		2897	reentrant => 0,
		2898	data => WF_AUTOCANCEL,
		2899	fd => IO::AIO::poll_fileno,
		2900	poll => 'r',
		2901	prio => 6,
		2902	cb => \&IO::AIO::poll_cb,
		2903	);
		2904	}
		2905
		2906	# load additional modules
		2907	use cf::pod;
2207		2908
2208	END { cf::emergency_save }	2909	END { cf::emergency_save }
2209		2910
2210	1	2911	1
2211		2912

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