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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 1.253 by root, Wed Apr 18 17:32:07 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";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		94
57	binmode STDOUT;	95	binmode STDOUT;
58	binmode STDERR;	96	binmode STDERR;
59		97
60	# read virtual server time, if available	98	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
65	}	103	}
66		104
67	mkdir cf::localdir;	105	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		107
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
76		111
77	#############################################################################	112	#############################################################################
78		113
79	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
80		115
…		…
87	=item $cf::RUNTIME	122	=item $cf::RUNTIME
88		123
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	125	every server tick.
91		126
92	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		130
94	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
96		135
97	=item $cf::NOW	136	=item $cf::NOW
98		137
99	The time of the last (current) server tick.	138	The time of the last (current) server tick.
100		139
…		…
104		143
105	=item %cf::CFG	144	=item %cf::CFG
106		145
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		154
110	=back	155	=back
111		156
112	=cut	157	=cut
113		158
114	BEGIN {	159	BEGIN {
115	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	161	my $msg = join "", @_;
117	utf8::encode $msg;
118		162
119	$msg .= "\n"	163	$msg .= "\n"
120	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
121		165
		166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
123	};	170	};
124	}	171	}
125		172
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		192
146	$Event::DIED = sub {	193	$Event::DIED = sub {
147	warn "error in event callback: @_";	194	warn "error in event callback: @_";
148	};	195	};
149		196
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
155		198
156	=over 4	199	=over 4
157		200
158	=cut	201	=item dumpval $ref
159		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		225
162	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
163		227
164	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
165		229
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
174		231
175	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		233
184	=item cf::lock_wait $string	234	=item cf::lock_wait $string
185		235
186	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
187		237
…		…
193	returned.	243	returned.
194		244
195	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
197		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
198	=cut	252	=cut
199		253
200	our %LOCK;	254	our %LOCK;
201		255
202	sub lock_wait($) {	256	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
223	}	277	}
224	}	278	}
225		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
226	sub freeze_mainloop {	286	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
228		288
229	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
230	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
231	$guard	293	$guard
232	}	294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
233		305
234	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
235		307
236	The design of crossfire+ requires that the main coro ($Coro::main) is	308	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	309	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	328	my $freeze_guard = freeze_mainloop;
257		329
258	my $busy = 1;	330	my $busy = 1;
259	my @res;	331	my @res;
260		332
261	(Coro::async_pool {	333	(async {
262	@res = eval { $job->() };	334	@res = eval { $job->() };
263	warn $@ if $@;	335	warn $@ if $@;
264	undef $busy;	336	undef $busy;
265	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
266		338
267	while ($busy) {	339	while ($busy) {
268	Coro::cede_notself;	340	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	341	}
271		342
272	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
273	} else {	344	} else {
274	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
275		346
276	$job->()	347	$job->()
277	}	348	}
278	}	349	}
279		350
280	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
281		352
282	Creates (and readies) and returns a new coro. This coro is automcatially	353	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
284		355
285	=cut	356	=cut
286		357
287	sub coro(&) {	358	sub async_ext(&) {
288	my $cb = shift;	359	my $cb = shift;
289		360
290	my $coro = &Coro::async_pool ($cb);	361	my $coro = &Coro::async ($cb);
291		362
292	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
294	});	365	});
295	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
296		367
297	$coro	368	$coro
298	}	369	}
299		370
300	sub write_runtime {	371	sub write_runtime {
301	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
302		375
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	377	or return;
305		378
		379	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	384	and return;
309		385
		386	# always fsync - this file is important
310	aio_fsync $fh	387	aio_fsync $fh
311	and return;	388	and return;
312		389
313	close $fh	390	close $fh
314	or return;	391	or return;
…		…
317	and return;	394	and return;
318		395
319	1	396	1
320	}	397	}
321		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
322	=back	410	=back
323		411
324	=cut	412	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		413
446	#############################################################################	414	#############################################################################
447		415
448	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
449		417
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	544	our @CB_MAP = ();
577		545
578	my %attachment;	546	my %attachment;
579		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
580	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
582		556
583	use sort 'stable';	557	use sort 'stable';
584		558
…		…
755	# object support	729	# object support
756		730
757	sub reattach {	731	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		736
761	my $registry = $obj->registry;	737	my $registry = $obj->registry;
762		738
763	@$registry = ();	739	@$registry = ();
764		740
…		…
811	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
812		788
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	793	close $fh;
818		794
819	if (@$objs) {	795	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	801	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
827	}	803	}
828	} else {	804	} else {
829	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
896	=cut	872	=cut
897		873
898	sub register_extcmd {	874	sub register_extcmd {
899	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
900		876
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
905	}	878	}
906		879
907	cf::player->attach (	880	cf::player->attach (
908	on_command => sub {	881	on_command => sub {
909	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
922		895
923	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
924		897
925	if (ref $msg) {	898	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	902	}
930	}	903	}
931	} else {	904	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		907
935	cf::override;	908	cf::override;
936	},	909	},
937	);	910	);
938		911
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	912	sub load_extension {
946	my ($path) = @_;	913	my ($path) = @_;
947		914
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	916	my $base = $1;
950	my $pkg = $1;	917	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
953		920
954	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
955		922
956	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
957	or die "$path: $!";	924	or die "$path: $!";
958		925
959	my $source =	926	my $source =
960	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
963	. "\n};\n1";	930	. "\n};\n1";
964		931
965	eval $source	932	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	934	: "extension disabled.\n";
968		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	936	warn $@;
970	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
971		938	exit 1;
972	# no strict 'refs';	939	}
973	# @{"$pkg\::ISA"} = ext::;	940	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	# }	941	}
988		942
989	# remove commands	943	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	}	944	}
1014		945
1015	sub load_extensions {	946	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	948	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1022	}	953	}
1023	}	954	}
1024		955
1025	#############################################################################	956	#############################################################################
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		957
1063	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1064		959
1065	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1066		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1067	=head3 cf::player	968	=head3 cf::player
1068		969
1069	=over 4	970	=over 4
1070		971
1071	=item cf::player::exists $login	972	=item cf::player::find $login
1072		973
1073	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1074		975
1075	=cut	976	=cut
1076		977
1077	sub cf::player::exists($) {	978	sub playerdir($) {
1078	cf::player::find $_[0]	979	"$PLAYERDIR/"
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1080	}	981	}
1081		982
		983	sub path($) {
		984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		985
		986	(playerdir $login) . "/playerdata"
		987	}
		988
		989	sub find_active($) {
		990	$cf::PLAYER{$_[0]}
		991	and $cf::PLAYER{$_[0]}->active
		992	and $cf::PLAYER{$_[0]}
		993	}
		994
		995	sub exists($) {
		996	my ($login) = @_;
		997
		998	$cf::PLAYER{$login}
		999	or cf::sync_job { !aio_stat path $login }
		1000	}
		1001
		1002	sub find($) {
		1003	return $cf::PLAYER{$_[0]} || do {
		1004	my $login = $_[0];
		1005
		1006	my $guard = cf::lock_acquire "user_find:$login";
		1007
		1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
		1016	my $pl = load_pl path $login
		1017	or return;
		1018	$cf::PLAYER{$login} = $pl
		1019	}
		1020	}
		1021	}
		1022
		1023	sub save($) {
		1024	my ($pl) = @_;
		1025
		1026	return if $pl->{deny_save};
		1027
		1028	my $path = path $pl;
		1029	my $guard = cf::lock_acquire "user_save:$path";
		1030
		1031	return if $pl->{deny_save};
		1032
		1033	aio_mkdir playerdir $pl, 0770;
		1034	$pl->{last_save} = $cf::RUNTIME;
		1035
		1036	$pl->save_pl ($path);
		1037	Coro::cede;
		1038	}
		1039
		1040	sub new($) {
		1041	my ($login) = @_;
		1042
		1043	my $self = create;
		1044
		1045	$self->ob->name ($login);
		1046	$self->{deny_save} = 1;
		1047
		1048	$cf::PLAYER{$login} = $self;
		1049
		1050	$self
		1051	}
		1052
		1053	=item $pl->quit_character
		1054
		1055	Nukes the player without looking back. If logged in, the connection will
		1056	be destroyed. May block for a long time.
		1057
		1058	=cut
		1059
		1060	sub quit_character {
		1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
		1064
		1065	$pl->{deny_save} = 1;
		1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1069	$pl->deactivate;
		1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1071	$pl->ns->destroy if $pl->ns;
		1072
		1073	my $path = playerdir $pl;
		1074	my $temp = "$path~$cf::RUNTIME~deleting~";
		1075	aio_rename $path, $temp;
		1076	delete $cf::PLAYER{$pl->ob->name};
		1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
		1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
		1099	}
		1100
		1101	=item cf::player::list_logins
		1102
		1103	Returns am arrayref of all valid playernames in the system, can take a
		1104	while and may block, so not sync_job-capable, ever.
		1105
		1106	=cut
		1107
		1108	sub list_logins {
		1109	my $dirs = aio_readdir $PLAYERDIR
		1110	or return [];
		1111
		1112	my @logins;
		1113
		1114	for my $login (@$dirs) {
		1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1116	aio_read $fh, 0, 512, my $buf, 0 or next;
		1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1118
		1119	utf8::decode $login;
		1120	push @logins, $login;
		1121	}
		1122
		1123	\@logins
		1124	}
		1125
		1126	=item $player->maps
		1127
		1128	Returns an arrayref of map paths that are private for this
		1129	player. May block.
		1130
		1131	=cut
		1132
		1133	sub maps($) {
		1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
		1137
		1138	my $files = aio_readdir playerdir $pl
		1139	or return;
		1140
		1141	my @paths;
		1142
		1143	for (@$files) {
		1144	utf8::decode $_;
		1145	next if /\.(?:pl|pst)$/;
		1146	next unless /^$PATH_SEP/o;
		1147
		1148	push @paths, cf::map::normalise "~$pl/$_";
		1149	}
		1150
		1151	\@paths
		1152	}
		1153
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1083		1155
1084	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1085		1157
1086	=cut	1158	=cut
1087		1159
1088	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1089	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1090		1162
1091	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1092		1164
1093	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
1094	}	1207	}
1095		1208
1096	=back	1209	=back
1097
1098		1210
1099	=head3 cf::map	1211	=head3 cf::map
1100		1212
1101	=over 4	1213	=over 4
1102		1214
…		…
1105	package cf::map;	1217	package cf::map;
1106		1218
1107	use Fcntl;	1219	use Fcntl;
1108	use Coro::AIO;	1220	use Coro::AIO;
1109		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1110	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1112		1228
1113	sub generate_random_map {	1229	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1232	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR($self->{path}"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1130	}	1374	}
1131		1375
1132	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1133	# all maps in C++...	1377	# all maps in C++...
1134	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1136		1380
1137	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1139	}	1383	}
1140		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1141	sub try_load_header($) {	1393	sub load_header_from($) {
1142	my ($path) = @_;	1394	my ($self, $path) = @_;
1143		1395
1144	utf8::encode $path;	1396	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1146	or return;	1401	or return;
1147		1402
1148	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1149	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1150		1449
1151	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1152	$map->path ($path);	1451	unless $self->default_region;
1153		1452
1154	$map->load_header ($path)	1453	1
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1454	}
1161		1455
1162	sub find;	1456	sub find;
1163	sub find {	1457	sub find {
1164	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1165		1459
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1461
1171	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1172		1463
1173	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1175		1466	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;	1467	or return;
1195		1468
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;	1469	$map->{last_save} = $cf::RUNTIME;
1208		1470
1209	Coro::cede;	1471	$map->load_header
		1472	or return;
1210		1473
1211	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1477	$map->reset;
1213	undef $guard;	1478	undef $guard;
1214	$map = find $path	1479	return find $path;
1215	or return;
1216	}	1480	}
1217		1481
1218	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1219	}	1483	}
1220	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1221		1488
1222	sub load {	1489	sub load {
1223	my ($self) = @_;	1490	my ($self) = @_;
1224		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1225	my $path = $self->{path};	1494	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1495	my $guard = cf::lock_acquire "map_load:$path";
1227		1496
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1498
1230	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1231		1500
1232	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1233	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1507	or return;
1235		1508
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1510	if delete $self->{load_original};
1238		1511
1239	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1513	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1515	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1244	}	1517	}
1245	}	1518	}
1246		1519
1247	Coro::cede;	1520	Coro::cede;
1248
1249	# now do the right thing for maps	1521	# now do the right thing for maps
1250	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1251		1524
1252	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1526	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1259	$self->set_darkness_map;	1530	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1262	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1263	}	1536	}
1264		1537
		1538	$self->post_load;
1265	Coro::cede;	1539	Coro::cede;
1266		1540
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
		1542	}
		1543
		1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
		1551	}
		1552
		1553	# find and load all maps in the 3x3 area around a map
		1554	sub load_diag {
		1555	my ($map) = @_;
		1556
		1557	my @diag; # diagonal neighbours
		1558
		1559	for (0 .. 3) {
		1560	my $neigh = $map->tile_path ($_)
		1561	or next;
		1562	$neigh = find $neigh, $map
		1563	or next;
		1564	$neigh->load;
		1565
		1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1568	}
		1569
		1570	for (@diag) {
		1571	my $neigh = find @$_
		1572	or next;
		1573	$neigh->load;
		1574	}
1268	}	1575	}
1269		1576
1270	sub find_sync {	1577	sub find_sync {
1271	my ($path, $origin) = @_;	1578	my ($path, $origin) = @_;
1272		1579
1273	cf::sync_job { cf::map::find $path, $origin }	1580	cf::sync_job { find $path, $origin }
1274	}	1581	}
1275		1582
1276	sub do_load_sync {	1583	sub do_load_sync {
1277	my ($map) = @_;	1584	my ($map) = @_;
1278		1585
1279	cf::sync_job { $map->load };	1586	cf::sync_job { $map->load };
1280	}	1587	}
1281		1588
		1589	our %MAP_PREFETCH;
		1590	our $MAP_PREFETCHER = undef;
		1591
		1592	sub find_async {
		1593	my ($path, $origin) = @_;
		1594
		1595	$path = normalise $path, $origin && $origin->{path};
		1596
		1597	if (my $map = $cf::MAP{$path}) {
		1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1599	}
		1600
		1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
		1607	$map->load;
		1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
		1613	};
		1614	$MAP_PREFETCHER->prio (6);
		1615
		1616	()
		1617	}
		1618
1282	sub save {	1619	sub save {
1283	my ($self) = @_;	1620	my ($self) = @_;
1284		1621
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1623
1287	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1288		1625
1289	return unless $self->dirty;	1626	return unless $self->dirty;
1290		1627
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1630
1294	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1295		1632
1296	return if $self->{deny_save};	1633	return if $self->{deny_save};
1297		1634
1298	local $self->{last_access} = $self->last_access;#d#	1635	local $self->{last_access} = $self->last_access;#d#
1299		1636
		1637	cf::async {
		1638	$_->contr->save for $self->players;
		1639	};
		1640
1300	if ($uniq) {	1641	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1644	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1646	}
1306	}	1647	}
1307		1648
1308	sub swap_out {	1649	sub swap_out {
1309	my ($self) = @_;	1650	my ($self) = @_;
…		…
1323		1664
1324	sub reset_at {	1665	sub reset_at {
1325	my ($self) = @_;	1666	my ($self) = @_;
1326		1667
1327	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1330		1671
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1674
…		…
1338	my ($self) = @_;	1679	my ($self) = @_;
1339		1680
1340	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1341	}	1682	}
1342		1683
1343	sub unlink_save {
1344	my ($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	$self->save;
1362	}
1363
1364	sub reset {	1684	sub reset {
1365	my ($self) = @_;	1685	my ($self) = @_;
1366		1686
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1688
1369	return if $self->players;	1689	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1371		1691
1372	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1373		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1374	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1375		1707
1376	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1377		1709
1378	$self->unlink_save;	1710	$self->unlink_save;
1379	$self->destroy;	1711	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1383		1715
1384	sub nuke {	1716	sub nuke {
1385	my ($self) = @_;	1717	my ($self) = @_;
1386		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1390	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1391	}	1732	}
1392		1733
1393	sub customise_for {	1734	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1735
1396	if ($map->per_player) {	1736	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1737	instantiated unique items. May block.
1398	}
1399		1738
1400	$map	1739	=cut
1401	}
1402		1740
1403	sub emergency_save {	1741	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1742	my $files = aio_readdir $UNIQUEDIR
		1743	or return;
1405		1744
1406	warn "enter emergency map save\n";	1745	my @paths;
1407		1746
1408	cf::sync_job {	1747	for (@$files) {
1409	warn "begin emergency map save\n";	1748	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1749	next if /\.pst$/;
		1750	next unless /^$PATH_SEP/o;
		1751
		1752	push @paths, cf::map::normalise $_;
1411	};	1753	}
1412		1754
1413	warn "end emergency map save\n";	1755	\@paths
1414	}	1756	}
1415		1757
1416	package cf;	1758	package cf;
1417		1759
1418	=back	1760	=back
1419		1761
		1762	=head3 cf::object
		1763
		1764	=cut
		1765
		1766	package cf::object;
		1767
		1768	=over 4
		1769
		1770	=item $ob->inv_recursive
		1771
		1772	Returns the inventory of the object _and_ their inventories, recursively.
		1773
		1774	=cut
		1775
		1776	sub inv_recursive_;
		1777	sub inv_recursive_ {
		1778	map { $_, inv_recursive_ $_->inv } @_
		1779	}
		1780
		1781	sub inv_recursive {
		1782	inv_recursive_ inv $_[0]
		1783	}
		1784
		1785	package cf;
		1786
		1787	=back
1420		1788
1421	=head3 cf::object::player	1789	=head3 cf::object::player
1422		1790
1423	=over 4	1791	=over 4
1424		1792
…		…
1464		1832
1465	=item $player_object->enter_link	1833	=item $player_object->enter_link
1466		1834
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1835	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1836
1469	The player should be reaosnably safe there for short amounts of time. You	1837	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.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1471		1839
		1840	Will never block.
		1841
1472	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1473		1843
1474	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1847	fails, to the emergency map position.
1478		1848
1479	Might block.	1849	Might block.
1480		1850
1481	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
1482		1862
1483	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1864	my ($self) = @_;
1485		1865
1486	$self->deactivate_recursive;	1866	$self->deactivate_recursive;
1487		1867
1488	return if $self->map == $LINK_MAP;	1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1869
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1871	if $self->map;
1492		1872
1493	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1874	}
1495		1875
1496	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1498		1878
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1896	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1897	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1898	if $x <=0 && $y <= 0;
1519		1899
1520	$map->load;	1900	$map->load;
		1901	$map->load_diag;
1521		1902
		1903	return unless $self->contr->active;
1522	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1524	}	1908	}
1525		1909
1526	cf::player->attach (	1910	cf::player->attach (
1527	on_logout => sub {	1911	on_logout => sub {
…		…
1539		1923
1540	# try to abort aborted map switching on player login :)	1924	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1925	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1926	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1927	$pl->ob->enter_link;
1544	Coro::async_pool {	1928	(async {
		1929	$pl->ob->reply (undef,
		1930	"There was an internal problem at your last logout, "
		1931	. "the server will try to bring you to your intended destination in a second.",
		1932	cf::NDI_RED);
1545	# we need this sleep as the login has a concurrent enter_exit running	1933	# 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	1934	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;	1935	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1936	$pl->ob->leave_link;
1549	};	1937	})->prio (2);
1550	}	1938	}
1551	},	1939	},
1552	);	1940	);
1553		1941
1554	=item $player_object->goto ($path, $x, $y)	1942	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1946	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1560		1948
1561	$self->enter_link;	1949	$self->enter_link;
1562		1950
1563	(Coro::async_pool {	1951	(async {
1564	$path = new cf::path $path;	1952	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1953	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1568		1955	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1958
1574	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1960	})->prio (1);
1576	}	1961	}
1577		1962
…		…
1581		1966
1582	sub parse_random_map_params {	1967	sub parse_random_map_params {
1583	my ($spec) = @_;	1968	my ($spec) = @_;
1584		1969
1585	my $rmp = { # defaults	1970	my $rmp = { # defaults
1586	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1588	};	1975	};
1589		1976
1590	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1592		1979
…		…
1596	$rmp	1983	$rmp
1597	}	1984	}
1598		1985
1599	sub prepare_random_map {	1986	sub prepare_random_map {
1600	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1990
1602	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1993	# that depends on the exit object
1605		1994
1606	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1607		1996
1608	if ($exit->map) {	1997	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1613	}	2002	}
1614		2003
1615	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1616		2005
1617	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1619		2009
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1622		2014
1623	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	2016	$exit->msg (undef);
1625	}	2017	}
1626	}	2018	}
…		…
1628	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1630		2022
1631	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
1632		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
		2035
1633	$self->enter_link;	2036	$self->enter_link;
1634		2037
1635	(Coro::async_pool {	2038	(async {
1636	$self->deactivate_recursive; # just to be sure	2039	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	2040	unless (eval {
1638	prepare_random_map $exit	2041	$self->goto ($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		2042
1644	1;	2043	1;
1645	}) {	2044	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	2047	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2049
1651	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2051	$self->leave_link;
1653	}	2052	}
1654	})->prio (1);	2053	})->prio (1);
…		…
1667		2066
1668	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1670		2069
1671	utf8::encode $text;	2070	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2072	}
1674		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1675		2086
1676	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1677		2088
1678	Queues a query to the client, calling the given callback with	2089	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>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1708	# get handled first	2119	# get handled first
1709	my $queue = delete $ns->{query_queue}	2120	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2122
1712	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2125
1714	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1715		2127
1716	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2129	if (@$queue) {
…		…
1721	}	2133	}
1722	}	2134	}
1723	},	2135	},
1724	);	2136	);
1725		2137
1726	=item $client->coro (\&cb)	2138	=item $client->async (\&cb)
1727		2139
1728	Create a new coroutine, running the specified callback. The coroutine will	2140	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2141	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2142	or loss of connection).
1731		2143
1732	=cut	2144	=cut
1733		2145
1734	sub cf::client::coro {	2146	sub cf::client::async {
1735	my ($self, $cb) = @_;	2147	my ($self, $cb) = @_;
1736		2148
1737	my $coro = &Coro::async_pool ($cb);	2149	my $coro = &Coro::async ($cb);
1738		2150
1739	$coro->on_destroy (sub {	2151	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2152	delete $self->{_coro}{$coro+0};
1741	});	2153	});
1742		2154
…		…
1775		2187
1776	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
1777		2189
1778	=pod	2190	=pod
1779		2191
1780	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
1781		2193
1782	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2195	cf::object::player player
1784	cf::player peaceful	2196	cf::player peaceful
1785	cf::map trigger	2197	cf::map trigger
…		…
1870	#############################################################################	2282	#############################################################################
1871		2283
1872	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
1873		2285
1874	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
1875	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1876	excludes objects.	2288	convert to/from binary).
1877		2289
1878	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2291	using it, it should be unique.
1880		2292
1881	=over 4	2293	=over 4
1882		2294
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	2295	=item $value = cf::db_get $family => $key
1890		2296
1891	Returns a single value from the database	2297	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		2298
1898	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
1899		2300
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	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		2302
1911	=cut	2303	=cut
1912		2304
1913	our $DB;	2305	our $DB;
1914		2306
1915	{	2307	sub db_init {
1916	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
1917		2310
1918	sub db_load() {	2311	cf::sync_job {
1919	$DB = stat $path ? Storable::retrieve $path : { };	2312	eval {
1920	}	2313	$DB->set_flags (BDB::CHKSUM);
1921		2314
1922	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1923		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1924	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
1925	waitpid $pid, 0 if $pid;	2318	};
1926	if (0 == ($pid = fork)) {	2319	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	}	2320	};
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	});	2321	}
		2322	}
1944		2323
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {	2324	sub db_get($$) {
1951	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
1956	sub db_put($$;$) {	2335	sub db_put($$$) {
1957	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
1958	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1959	} else {	2338	}
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964		2339
1965	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
1966	prio => 10000,	2341
1967	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
1968	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
1969	},	2372	}
1970	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
1971	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
1972		2454
1973	#############################################################################	2455	#############################################################################
1974	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
1975		2544
1976	sub cfg_load {	2545	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
1978	or return;	2547	or return;
1979		2548
1980	local $/;	2549	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
1982		2551
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2553
		2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2556
1985	if (exists $CFG{mlockall}) {	2557	if (exists $CFG{mlockall}) {
1986	eval {	2558	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2560	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2561	};
1990	warn $@ if $@;	2562	warn $@ if $@;
1991	}	2563	}
1992	}	2564	}
1993		2565
1994	sub main {	2566	sub main {
1995	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2570	(async {
1999	Event::one_event;	2571	Event::one_event;
2000	})->();	2572	})->prio (Coro::PRIO_MAX);
2001	};	2573	};
2002		2574
2003	cfg_load;	2575	cfg_load;
2004	db_load;	2576	db_init;
2005	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
2006	Event::loop;	2580	Event::loop;
2007	}	2581	}
2008		2582
2009	#############################################################################	2583	#############################################################################
2010	# initialisation	2584	# initialisation and cleanup
2011		2585
		2586	# install some emergency cleanup handlers
		2587	BEGIN {
		2588	for my $signal (qw(INT HUP TERM)) {
		2589	Event->signal (
		2590	reentrant => 0,
		2591	data => WF_AUTOCANCEL,
		2592	signal => $signal,
		2593	prio => 0,
		2594	cb => sub {
		2595	cf::cleanup "SIG$signal";
		2596	},
		2597	);
		2598	}
		2599	}
		2600
		2601	sub emergency_save() {
		2602	my $freeze_guard = cf::freeze_mainloop;
		2603
		2604	warn "enter emergency perl save\n";
		2605
		2606	cf::sync_job {
		2607	# use a peculiar iteration method to avoid tripping on perl
		2608	# refcount bugs in for. also avoids problems with players
		2609	# and maps saved/destroyed asynchronously.
		2610	warn "begin emergency player save\n";
		2611	for my $login (keys %cf::PLAYER) {
		2612	my $pl = $cf::PLAYER{$login} or next;
		2613	$pl->valid or next;
		2614	$pl->save;
		2615	}
		2616	warn "end emergency player save\n";
		2617
		2618	warn "begin emergency map save\n";
		2619	for my $path (keys %cf::MAP) {
		2620	my $map = $cf::MAP{$path} or next;
		2621	$map->valid or next;
		2622	$map->save;
		2623	}
		2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
		2629	};
		2630
		2631	warn "leave emergency perl save\n";
		2632	}
		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
2012	sub reload() {	2641	sub do_reload_perl() {
2013	# can/must only be called in main	2642	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
2016	return;	2645	return;
2017	}	2646	}
2018		2647
2019	warn "reloading...";	2648	warn "reloading...";
2020		2649
2021	my $guard = freeze_mainloop;	2650	warn "entering sync_job";
		2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
2023		2656
2024	eval {	2657	warn "syncing database to disk";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659
2025	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
2026		2661
2027	# cancel all watchers	2662	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2665	}
2031		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
2032	# cancel all extension coros	2678	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2680	%EXT_CORO = ();
2035		2681
2036	# unload all extensions	2682	warn "removing commands";
2037	for (@exts) {	2683	%COMMAND = ();
		2684
		2685	warn "removing ext commands";
		2686	%EXTCMD = ();
		2687
		2688	warn "unloading/nuking all extensions";
		2689	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2690	warn "... unloading $pkg";
2039	unload_extension $_;	2691
		2692	if (my $cb = $pkg->can ("unload")) {
		2693	eval {
		2694	$cb->($pkg);
		2695	1
		2696	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2697	}
2041		2698
		2699	warn "... nuking $pkg";
		2700	Symbol::delete_package $pkg;
		2701	}
		2702
2042	# unload all modules loaded from $LIBDIR	2703	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2706
2046	warn "removing <$k>";	2707	warn "... unloading $k";
2047	delete $INC{$k};	2708	delete $INC{$k};
2048		2709
2049	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
2051		2712
…		…
2054	}	2715	}
2055		2716
2056	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
2057	}	2718	}
2058		2719
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2720	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2723
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2724	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
2072		2727
2073	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2729	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
2076		2731
2077	# reload cf.pm	2732	warn "unload completed, starting to reload now";
		2733
2078	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
2079	require cf;	2735	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2737
2082	# load config and database again	2738	warn "loading config and database again";
2083	cf::cfg_load;	2739	cf::cfg_load;
2084	cf::db_load;
2085		2740
2086	# load extensions
2087	warn "load extensions";	2741	warn "loading extensions";
2088	cf::load_extensions;	2742	cf::load_extensions;
2089		2743
2090	# reattach attachments to objects	2744	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2745	_global_reattach; # objects, sockets
2092	_global_reattach;	2746	warn "reattaching attachments to maps";
2093	};	2747	reattach $_ for values %MAP;
		2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
2094		2750
2095	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
2096	warn $@;	2755	warn $@;
2097	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
2098	exit 1;	2757	exit 1;
2099	}	2758	};
2100		2759
2101	warn "reloaded successfully";	2760	warn "reloaded";
2102	};	2761	};
2103		2762
2104	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
2105		2764
2106	unless ($LINK_MAP) {	2765	sub reload_perl() {
2107	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
2108		2768
2109	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2110	$LINK_MAP->height (41);	2770	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,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2119	cb => sub {	2773	cb => sub {
2120	$_[0]->w->cancel;	2774	do_reload_perl;
2121		2775	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	});	2776	},
2140		2777	);
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}	2778	}
2146
2147	register "<global>", __PACKAGE__;
2148		2779
2149	register_command "reload" => sub {	2780	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2151		2782
2152	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");
2154	reload;
2155	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2156	}	2786	}
2157	};	2787	};
2158		2788
2159	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
2160		2813
2161	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2163	prio => 0,	2817	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2166	cb => sub {	2820	cb => sub {
		2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
		2827	$NOW = Event::time;
		2828
2167	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2168	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
2170		2833
		2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
		2844
2171	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2847
2174	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2176	},	2859	},
2177	);	2860	);
2178		2861
		2862	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2180		2864	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2865	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2183	poll => 'r',	2867	poll => 'r',
2184	prio => 5,	2868	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2191	after => 0,	2870	cb => \&BDB::poll_cb,
2192	interval => 10,	2871	);
2193	cb => sub {	2872	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2873
2195	write_runtime	2874	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2908	};
2198	},	2909	}
2199	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
2200		2929
2201	END { cf::emergency_save }	2930	END { cf::emergency_save }
2202		2931
2203	1	2932	1
2204		2933

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