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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 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 (2); # 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	Coro::cede_notself;	321	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	322	}
271		323
272	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
273	} else {	325	} else {
274	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
275		327
276	$job->()	328	$job->()
277	}	329	}
278	}	330	}
279		331
280	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
281		333
282	Creates (and readies) and returns a new coro. This coro is automcatially	334	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
284		336
285	=cut	337	=cut
286		338
287	sub coro(&) {	339	sub async_ext(&) {
288	my $cb = shift;	340	my $cb = shift;
289		341
290	my $coro = &Coro::async_pool ($cb);	342	my $coro = &Coro::async ($cb);
291		343
292	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
294	});	346	});
295	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
296		348
297	$coro	349	$coro
298	}	350	}
299		351
300	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
301	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
302		356
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	358	or return;
305		359
		360	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	365	and return;
309		366
		367	# always fsync - this file is important
310	aio_fsync $fh	368	aio_fsync $fh
311	and return;	369	and return;
312		370
313	close $fh	371	close $fh
314	or return;	372	or return;
…		…
317	and return;	375	and return;
318		376
319	1	377	1
320	}	378	}
321		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
322	=back	391	=back
323		392
324	=cut	393	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		394
446	#############################################################################	395	#############################################################################
447		396
448	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
449		398
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	525	our @CB_MAP = ();
577		526
578	my %attachment;	527	my %attachment;
579		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
580	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
582		537
583	use sort 'stable';	538	use sort 'stable';
584		539
…		…
755	# object support	710	# object support
756		711
757	sub reattach {	712	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		717
761	my $registry = $obj->registry;	718	my $registry = $obj->registry;
762		719
763	@$registry = ();	720	@$registry = ();
764		721
…		…
811	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
812		769
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	774	close $fh;
818		775
819	if (@$objs) {	776	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	782	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
827	}	784	}
828	} else {	785	} else {
829	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
896	=cut	853	=cut
897		854
898	sub register_extcmd {	855	sub register_extcmd {
899	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
900		857
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
905	}	859	}
906		860
907	cf::player->attach (	861	cf::player->attach (
908	on_command => sub {	862	on_command => sub {
909	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
922		876
923	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
924		878
925	if (ref $msg) {	879	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	883	}
930	}	884	}
931	} else {	885	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		888
935	cf::override;	889	cf::override;
936	},	890	},
937	);	891	);
938		892
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	893	sub load_extension {
946	my ($path) = @_;	894	my ($path) = @_;
947		895
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	897	my $base = $1;
950	my $pkg = $1;	898	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
953		901
954	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
955		903
956	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
957	or die "$path: $!";	905	or die "$path: $!";
958		906
959	my $source =	907	my $source =
960	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
963	. "\n};\n1";	911	. "\n};\n1";
964		912
965	eval $source	913	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	915	: "extension disabled.\n";
968		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	917	warn $@;
970	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
971		919	exit 1;
972	# no strict 'refs';	920	}
973	# @{"$pkg\::ISA"} = ext::;	921	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	922	}
988		923
989	# remove commands	924	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	925	}
1014		926
1015	sub load_extensions {	927	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	929	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1022	}	934	}
1023	}	935	}
1024		936
1025	#############################################################################	937	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		938
1063	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1064		940
1065	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1066		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1067	=head3 cf::player	949	=head3 cf::player
1068		950
1069	=over 4	951	=over 4
1070		952
1071	=item cf::player::exists $login	953	=item cf::player::find $login
1072		954
1073	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1074		956
1075	=cut	957	=cut
1076		958
1077	sub cf::player::exists($) {	959	sub playerdir($) {
1078	cf::player::find $_[0]	960	cf::localdir
1079	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])
1080	}	965	}
1081		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
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1083		1139
1084	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1085		1141
1086	=cut	1142	=cut
1087		1143
1088	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1089	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1090		1146
1091	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1092		1148
1093	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1094	}	1191	}
1095		1192
1096	=back	1193	=back
1097
1098		1194
1099	=head3 cf::map	1195	=head3 cf::map
1100		1196
1101	=over 4	1197	=over 4
1102		1198
…		…
1105	package cf::map;	1201	package cf::map;
1106		1202
1107	use Fcntl;	1203	use Fcntl;
1108	use Coro::AIO;	1204	use Coro::AIO;
1109		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1110	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1112		1212
1113	sub generate_random_map {	1213	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1216	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1358	}
1131		1359
1132	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1133	# all maps in C++...	1361	# all maps in C++...
1134	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1136		1364
1137	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1139	}	1367	}
1140		1368
		1369	sub unlink_save {
		1370	my ($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
1141	sub try_load_header($) {	1377	sub load_header_from($) {
1142	my ($path) = @_;	1378	my ($self, $path) = @_;
1143		1379
1144	utf8::encode $path;	1380	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1146	or return;	1385	or return;
1147		1386
1148	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
1149	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1150		1433
1151	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1152	$map->path ($path);	1435	unless $self->default_region;
1153		1436
1154	$map->load_header ($path)	1437	1
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1438	}
1161		1439
1162	sub find;	1440	sub find;
1163	sub find {	1441	sub find {
1164	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1165		1443
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1445
1171	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1172		1447
1173	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1175		1450	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1451	or return;
1195		1452
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1208		1454
1209	Coro::cede;	1455	$map->load_header
		1456	or return;
1210		1457
1211	if ($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;
1212	$map->reset;	1461	$map->reset;
1213	undef $guard;	1462	undef $guard;
1214	$map = find $path	1463	return find $path;
1215	or return;
1216	}	1464	}
1217		1465
1218	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1219	}	1467	}
1220	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1221		1472
1222	sub load {	1473	sub load {
1223	my ($self) = @_;	1474	my ($self) = @_;
1224		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1225	my $path = $self->{path};	1478	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1227		1480
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1482
1230	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1231		1484
1232	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1233	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1491	or return;
1235		1492
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1494	if delete $self->{load_original};
1238		1495
1239	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1497	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1499	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1244	}	1501	}
1245	}	1502	}
1246		1503
1247	Coro::cede;	1504	Coro::cede;
1248
1249	# now do the right thing for maps	1505	# now do the right thing for maps
1250	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1251		1508
1252	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1510	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1259	$self->set_darkness_map;	1514	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1262	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1263	}	1520	}
1264		1521
		1522	$self->post_load;
1265	Coro::cede;	1523	Coro::cede;
1266		1524
1267	$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	$neigh->load;
		1558	}
1268	}	1559	}
1269		1560
1270	sub find_sync {	1561	sub find_sync {
1271	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1272		1563
1273	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1274	}	1565	}
1275		1566
1276	sub do_load_sync {	1567	sub do_load_sync {
1277	my ($map) = @_;	1568	my ($map) = @_;
1278		1569
1279	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1280	}	1571	}
1281		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	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1282	sub save {	1603	sub save {
1283	my ($self) = @_;	1604	my ($self) = @_;
1284		1605
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1607
1287	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1288		1609
1289	return unless $self->dirty;	1610	return unless $self->dirty;
1290		1611
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1614
1294	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1295		1616
1296	return if $self->{deny_save};	1617	return if $self->{deny_save};
1297		1618
1298	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1299		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1300	if ($uniq) {	1625	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1628	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1630	}
1306	}	1631	}
1307		1632
1308	sub swap_out {	1633	sub swap_out {
1309	my ($self) = @_;	1634	my ($self) = @_;
…		…
1323		1648
1324	sub reset_at {	1649	sub reset_at {
1325	my ($self) = @_;	1650	my ($self) = @_;
1326		1651
1327	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1330		1655
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1658
…		…
1338	my ($self) = @_;	1663	my ($self) = @_;
1339		1664
1340	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1341	}	1666	}
1342		1667
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1668	sub reset {
1365	my ($self) = @_;	1669	my ($self) = @_;
1366		1670
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1672
1369	return if $self->players;	1673	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1371		1675
1372	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1373		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
1374	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1375		1691
1376	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1377		1693
1378	$self->unlink_save;	1694	$self->unlink_save;
1379	$self->destroy;	1695	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1383		1699
1384	sub nuke {	1700	sub nuke {
1385	my ($self) = @_;	1701	my ($self) = @_;
1386		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1390	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1391	}	1716	}
1392		1717
1393	sub customise_for {	1718	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1719
1396	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1398	}
1399		1722
1400	$map	1723	=cut
1401	}
1402		1724
1403	sub emergency_save {	1725	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1405		1728
1406	warn "enter emergency map save\n";	1729	my @paths;
1407		1730
1408	cf::sync_job {	1731	for (@$files) {
1409	warn "begin emergency map save\n";	1732	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1411	};	1737	}
1412		1738
1413	warn "end emergency map save\n";	1739	\@paths
1414	}	1740	}
1415		1741
1416	package cf;	1742	package cf;
1417		1743
1418	=back	1744	=back
1419		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
1420		1772
1421	=head3 cf::object::player	1773	=head3 cf::object::player
1422		1774
1423	=over 4	1775	=over 4
1424		1776
…		…
1464		1816
1465	=item $player_object->enter_link	1817	=item $player_object->enter_link
1466		1818
1467	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}>).
1468		1820
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1471		1823
		1824	Will never block.
		1825
1472	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1473		1827
1474	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1831	fails, to the emergency map position.
1478		1832
1479	Might block.	1833	Might block.
1480		1834
1481	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1482		1846
1483	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1848	my ($self) = @_;
1485		1849
1486	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1487		1851
1488	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1853
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1855	if $self->map;
1492		1856
1493	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1858	}
1495		1859
1496	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1498		1862
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1519		1883
1520	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1521		1886
		1887	return unless $self->contr->active;
1522	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1524	}	1892	}
1525		1893
1526	cf::player->attach (	1894	cf::player->attach (
1527	on_logout => sub {	1895	on_logout => sub {
…		…
1539		1907
1540	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1909	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1544	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);
1545	# 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
1546	# 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
1547	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1549	};	1921	})->prio (2);
1550	}	1922	}
1551	},	1923	},
1552	);	1924	);
1553		1925
1554	=item $player_object->goto ($path, $x, $y)	1926	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1560		1932
1561	$self->enter_link;	1933	$self->enter_link;
1562		1934
1563	(Coro::async_pool {	1935	(async {
1564	$path = new cf::path $path;	1936	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1568		1939	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1570	# if $map;
1571
1572	$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);
1573		1942
1574	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1944	})->prio (1);
1576	}	1945	}
1577		1946
…		…
1581		1950
1582	sub parse_random_map_params {	1951	sub parse_random_map_params {
1583	my ($spec) = @_;	1952	my ($spec) = @_;
1584		1953
1585	my $rmp = { # defaults	1954	my $rmp = { # defaults
1586	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1588	};	1959	};
1589		1960
1590	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1592		1963
…		…
1596	$rmp	1967	$rmp
1597	}	1968	}
1598		1969
1599	sub prepare_random_map {	1970	sub prepare_random_map {
1600	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1974
1602	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1977	# that depends on the exit object
1605		1978
1606	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1607		1980
1608	if ($exit->map) {	1981	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1613	}	1986	}
1614		1987
1615	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1616		1989
1617	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1993
1620	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) {
1621	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;
1622		1998
1623	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	2000	$exit->msg (undef);
1625	}	2001	}
1626	}	2002	}
…		…
1628	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1630		2006
1631	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1632		2008
		2009	if ($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
1633	$self->enter_link;	2020	$self->enter_link;
1634		2021
1635	(Coro::async_pool {	2022	(async {
1636	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	2024	unless (eval {
1638	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		2026
1644	1;	2027	1;
1645	}) {	2028	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2033
1651	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2035	$self->leave_link;
1653	}	2036	}
1654	})->prio (1);	2037	})->prio (1);
…		…
1667		2050
1668	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1670		2053
1671	utf8::encode $text;	2054	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2056	}
1674		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	}
1675		2070
1676	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1677		2072
1678	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1679	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>,
…		…
1708	# get handled first	2103	# get handled first
1709	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1710	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
1711		2106
1712	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2109
1714	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1715		2111
1716	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2113	if (@$queue) {
…		…
1721	}	2117	}
1722	}	2118	}
1723	},	2119	},
1724	);	2120	);
1725		2121
1726	=item $client->coro (\&cb)	2122	=item $client->async (\&cb)
1727		2123
1728	Create a new coroutine, running the specified callback. The coroutine will	2124	Create a new coroutine, running the specified callback. The coroutine will
1729	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,
1730	or loss of connection).	2126	or loss of connection).
1731		2127
1732	=cut	2128	=cut
1733		2129
1734	sub cf::client::coro {	2130	sub cf::client::async {
1735	my ($self, $cb) = @_;	2131	my ($self, $cb) = @_;
1736		2132
1737	my $coro = &Coro::async_pool ($cb);	2133	my $coro = &Coro::async ($cb);
1738		2134
1739	$coro->on_destroy (sub {	2135	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2136	delete $self->{_coro}{$coro+0};
1741	});	2137	});
1742		2138
…		…
1775		2171
1776	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1777		2173
1778	=pod	2174	=pod
1779		2175
1780	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1781		2177
1782	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2179	cf::object::player player
1784	cf::player peaceful	2180	cf::player peaceful
1785	cf::map trigger	2181	cf::map trigger
…		…
1870	#############################################################################	2266	#############################################################################
1871		2267
1872	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1873		2269
1874	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1875	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1876	excludes objects.	2272	convert to/from binary).
1877		2273
1878	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
1879	using it, it should be unique.	2275	using it, it should be unique.
1880		2276
1881	=over 4	2277	=over 4
1882		2278
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1890		2280
1891	Returns a single value from the database	2281	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2282
1898	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1899		2284
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2286
1911	=cut	2287	=cut
1912		2288
1913	our $DB;	2289	our $DB;
1914		2290
1915	{	2291	sub db_init {
1916	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1917		2294
1918	sub db_load() {	2295	cf::sync_job {
1919	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1920	}	2297	$DB->set_flags (BDB::CHKSUM);
1921		2298
1922	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1923		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1924	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1925	waitpid $pid, 0 if $pid;	2302	};
1926	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2304	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});	2305	}
		2306	}
1944		2307
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {	2308	sub db_get($$) {
1951	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1956	sub db_put($$;$) {	2319	sub db_put($$$) {
1957	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1958	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1959	} else {	2322	}
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964		2323
1965	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1966	prio => 10000,	2325
1967	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1968	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
1969	},	2356	}
1970	);	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"
1971	}	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 $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
1972		2434
1973	#############################################################################	2435	#############################################################################
1974	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		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	}
1975		2524
1976	sub cfg_load {	2525	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2527	or return;
1979		2528
1980	local $/;	2529	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2530	*CFG = YAML::Syck::Load <$fh>;
1982		2531
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2533
		2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2536
1985	if (exists $CFG{mlockall}) {	2537	if (exists $CFG{mlockall}) {
1986	eval {	2538	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2540	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2541	};
1990	warn $@ if $@;	2542	warn $@ if $@;
1991	}	2543	}
1992	}	2544	}
1993		2545
1994	sub main {	2546	sub main {
1995	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2550	(async {
1999	Event::one_event;	2551	Event::one_event;
2000	})->();	2552	})->prio (Coro::PRIO_MAX);
2001	};	2553	};
2002		2554
2003	cfg_load;	2555	cfg_load;
2004	db_load;	2556	db_init;
2005	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2006	Event::loop;	2560	Event::loop;
2007	}	2561	}
2008		2562
2009	#############################################################################	2563	#############################################################################
2010	# initialisation	2564	# initialisation and cleanup
2011		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 $make_core;
		2619	}
		2620
2012	sub reload() {	2621	sub do_reload_perl() {
2013	# can/must only be called in main	2622	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2016	return;	2625	return;
2017	}	2626	}
2018		2627
2019	warn "reloading...";	2628	warn "reloading...";
2020		2629
2021	my $guard = freeze_mainloop;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2023		2636
2024	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2025	# 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
2026		2641
2027	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2645	}
2031		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2032	# cancel all extension coros	2658	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2660	%EXT_CORO = ();
2035		2661
2036	# unload all extensions	2662	warn "removing commands";
2037	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2039	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: $@";
2040	}	2677	}
2041		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2042	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2686
2046	warn "removing <$k>";	2687	warn "... unloading $k";
2047	delete $INC{$k};	2688	delete $INC{$k};
2048		2689
2049	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2051		2692
…		…
2054	}	2695	}
2055		2696
2056	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2057	}	2698	}
2058		2699
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2065	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);
2066		2703
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2072		2707
2073	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2709	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2076		2711
2077	# reload cf.pm	2712	warn "unload completed, starting to reload now";
		2713
2078	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2079	require cf;	2715	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2717
2082	# load config and database again	2718	warn "loading config and database again";
2083	cf::cfg_load;	2719	cf::cfg_load;
2084	cf::db_load;
2085		2720
2086	# load extensions
2087	warn "load extensions";	2721	warn "loading extensions";
2088	cf::load_extensions;	2722	cf::load_extensions;
2089		2723
2090	# reattach attachments to objects	2724	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2725	_global_reattach; # objects, sockets
2092	_global_reattach;	2726	warn "reattaching attachments to maps";
2093	};	2727	reattach $_ for values %MAP;
		2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2094		2730
2095	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2096	warn $@;	2735	warn $@;
2097	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2098	exit 1;	2737	exit 1;
2099	}	2738	};
2100		2739
2101	warn "reloaded successfully";	2740	warn "reloaded";
2102	};	2741	};
2103		2742
2104	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2105		2744
2106	unless ($LINK_MAP) {	2745	sub reload_perl() {
2107	$LINK_MAP = cf::map::new;	2746	# doing reload synchronously and two reloads happen back-to-back,
		2747	# coro crashes during coro_state_free->destroy here.
2108		2748
2109	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2110	$LINK_MAP->height (41);	2750	reentrant => 0,
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2119	cb => sub {	2753	cb => sub {
2120	$_[0]->w->cancel;	2754	do_reload_perl;
2121		2755	undef $RELOAD_WATCHER;
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});	2756	},
2140		2757	);
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}	2758	}
2146
2147	register "<global>", __PACKAGE__;
2148		2759
2149	register_command "reload" => sub {	2760	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2151		2762
2152	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");
2154	reload;
2155	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2156	}	2766	}
2157	};	2767	};
2158		2768
2159	unshift @INC, $LIBDIR;	2769	unshift @INC, $LIBDIR;
		2770
		2771	my $bug_warning = 0;
		2772
		2773	our @WAIT_FOR_TICK;
		2774	our @WAIT_FOR_TICK_BEGIN;
		2775
		2776	sub wait_for_tick {
		2777	return unless $TICK_WATCHER->is_active;
		2778	return if $Coro::current == $Coro::main;
		2779
		2780	my $signal = new Coro::Signal;
		2781	push @WAIT_FOR_TICK, $signal;
		2782	$signal->wait;
		2783	}
		2784
		2785	sub wait_for_tick_begin {
		2786	return unless $TICK_WATCHER->is_active;
		2787	return if $Coro::current == $Coro::main;
		2788
		2789	my $signal = new Coro::Signal;
		2790	push @WAIT_FOR_TICK_BEGIN, $signal;
		2791	$signal->wait;
		2792	}
2160		2793
2161	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2163	prio => 0,	2797	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2166	cb => sub {	2800	cb => sub {
		2801	if ($Coro::current != $Coro::main) {
		2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2803	unless ++$bug_warning > 10;
		2804	return;
		2805	}
		2806
		2807	$NOW = Event::time;
		2808
2167	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2168	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
2170		2813
		2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2815	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2816	Coro::async_pool {
		2817	write_runtime
		2818	or warn "ERROR: unable to write runtime file: $!";
		2819	};
		2820	}
		2821
		2822	# my $AFTER = Event::time;
		2823	# warn $AFTER - $NOW;#d#
		2824
2171	# if we are delayed by four ticks or more, skip them all	2825	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2827
2174	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2829	$TICK_WATCHER->start;
		2830
		2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2832	$sig->send;
		2833	}
		2834	while (my $sig = shift @WAIT_FOR_TICK) {
		2835	$sig->send;
		2836	}
		2837
		2838	_post_tick;
2176	},	2839	},
2177	);	2840	);
2178		2841
		2842	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2180		2844	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2845	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2183	poll => 'r',	2847	poll => 'r',
2184	prio => 5,	2848	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2191	after => 0,	2850	cb => \&BDB::poll_cb,
2192	interval => 10,	2851	);
2193	cb => sub {	2852	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2853
2195	write_runtime	2854	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2855	my $status;
		2856	my $current = $Coro::current;
		2857	(
		2858	sub {
		2859	$status = $!;
		2860	$current->ready; undef $current;
		2861	},
		2862	sub {
		2863	Coro::schedule while defined $current;
		2864	$! = $status;
		2865	},
		2866	)
		2867	};
		2868
		2869	unless ($DB_ENV) {
		2870	$DB_ENV = BDB::db_env_create;
		2871
		2872	cf::sync_job {
		2873	eval {
		2874	BDB::db_env_open
		2875	$DB_ENV,
		2876	$BDB_ENV_DIR,
		2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2879	0666;
		2880
		2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2882
		2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2884	$DB_ENV->set_lk_detect;
		2885	};
		2886
		2887	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2888	};
2198	},	2889	}
2199	);	2890	}
		2891
		2892	{
		2893	IO::AIO::min_parallel 8;
		2894
		2895	undef $Coro::AIO::WATCHER;
		2896	IO::AIO::max_poll_time $TICK * 0.1;
		2897	$AIO_POLL_WATCHER = Event->io (
		2898	reentrant => 0,
		2899	data => WF_AUTOCANCEL,
		2900	fd => IO::AIO::poll_fileno,
		2901	poll => 'r',
		2902	prio => 6,
		2903	cb => \&IO::AIO::poll_cb,
		2904	);
		2905	}
		2906
		2907	# load additional modules
		2908	use cf::pod;
2200		2909
2201	END { cf::emergency_save }	2910	END { cf::emergency_save }
2202		2911
2203	1	2912	1
2204		2913

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