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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.253 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 (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
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	unless (Coro::cede) {	340	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	341	}
273		342
274	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
275	} else {	344	} else {
276	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
277		346
278	$job->()	347	$job->()
279	}	348	}
280	}	349	}
281		350
282	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
283		352
284	Creates (and readies) and returns a new coro. This coro is automcatially	353	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
286		355
287	=cut	356	=cut
288		357
289	sub coro(&) {	358	sub async_ext(&) {
290	my $cb = shift;	359	my $cb = shift;
291		360
292	my $coro = &Coro::async_pool ($cb);	361	my $coro = &Coro::async ($cb);
293		362
294	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
296	});	365	});
297	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
298		367
299	$coro	368	$coro
300	}	369	}
301		370
302	sub write_runtime {	371	sub write_runtime {
303	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
304		375
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	377	or return;
307		378
		379	my $value = $cf::RUNTIME + 90 + 10;
308	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
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	384	and return;
311		385
		386	# always fsync - this file is important
312	aio_fsync $fh	387	aio_fsync $fh
313	and return;	388	and return;
314		389
315	close $fh	390	close $fh
316	or return;	391	or return;
…		…
319	and return;	394	and return;
320		395
321	1	396	1
322	}	397	}
323		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
324	=back	410	=back
325		411
326	=cut	412	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		413
448	#############################################################################	414	#############################################################################
449		415
450	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
451		417
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	544	our @CB_MAP = ();
579		545
580	my %attachment;	546	my %attachment;
581		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
582	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
584		556
585	use sort 'stable';	557	use sort 'stable';
586		558
…		…
757	# object support	729	# object support
758		730
759	sub reattach {	731	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		736
763	my $registry = $obj->registry;	737	my $registry = $obj->registry;
764		738
765	@$registry = ();	739	@$registry = ();
766		740
…		…
813	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
814		788
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	793	close $fh;
820		794
821	if (@$objs) {	795	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	801	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
829	}	803	}
830	} else {	804	} else {
831	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
898	=cut	872	=cut
899		873
900	sub register_extcmd {	874	sub register_extcmd {
901	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
902		876
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
907	}	878	}
908		879
909	cf::player->attach (	880	cf::player->attach (
910	on_command => sub {	881	on_command => sub {
911	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
924		895
925	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
926		897
927	if (ref $msg) {	898	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	902	}
932	}	903	}
933	} else {	904	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		907
937	cf::override;	908	cf::override;
938	},	909	},
939	);	910	);
940		911
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	912	sub load_extension {
948	my ($path) = @_;	913	my ($path) = @_;
949		914
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	916	my $base = $1;
952	my $pkg = $1;	917	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
955		920
956	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
957		922
958	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
959	or die "$path: $!";	924	or die "$path: $!";
960		925
961	my $source =	926	my $source =
962	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
965	. "\n};\n1";	930	. "\n};\n1";
966		931
967	eval $source	932	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	934	: "extension disabled.\n";
970		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	936	warn $@;
972	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
973		938	exit 1;
974	# no strict 'refs';	939	}
975	# @{"$pkg\::ISA"} = ext::;	940	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	941	}
990		942
991	# remove commands	943	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	944	}
1016		945
1017	sub load_extensions {	946	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	948	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1024	}	953	}
1025	}	954	}
1026		955
1027	#############################################################################	956	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		957
1065	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1066		959
1067	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1068		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1069	=head3 cf::player	968	=head3 cf::player
1070		969
1071	=over 4	970	=over 4
1072		971
1073	=item cf::player::exists $login	972	=item cf::player::find $login
1074		973
1075	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1076		975
1077	=cut	976	=cut
1078		977
1079	sub cf::player::exists($) {	978	sub playerdir($) {
1080	cf::player::find $_[0]	979	"$PLAYERDIR/"
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1082	}	981	}
1083		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
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1085		1155
1086	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1087		1157
1088	=cut	1158	=cut
1089		1159
1090	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1091	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1092		1162
1093	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1094		1164
1095	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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
1096	}	1207	}
1097		1208
1098	=back	1209	=back
1099
1100		1210
1101	=head3 cf::map	1211	=head3 cf::map
1102		1212
1103	=over 4	1213	=over 4
1104		1214
…		…
1107	package cf::map;	1217	package cf::map;
1108		1218
1109	use Fcntl;	1219	use Fcntl;
1110	use Coro::AIO;	1220	use Coro::AIO;
1111		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1112	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1114		1228
1115	sub generate_random_map {	1229	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1232	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$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},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(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"
1132	}	1374	}
1133		1375
1134	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1135	# all maps in C++...	1377	# all maps in C++...
1136	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1138		1380
1139	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1141	}	1383	}
1142		1384
		1385	sub unlink_save {
		1386	my ($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
1143	sub try_load_header($) {	1393	sub load_header_from($) {
1144	my ($path) = @_;	1394	my ($self, $path) = @_;
1145		1395
1146	utf8::encode $path;	1396	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1148	or return;	1401	or return;
1149		1402
1150	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
1151	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1152		1449
1153	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1154	$map->path ($path);	1451	unless $self->default_region;
1155		1452
1156	$map->load_header ($path)	1453	1
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1454	}
1163		1455
1164	sub find;	1456	sub find;
1165	sub find {	1457	sub find {
1166	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1167		1459
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1461
1173	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1174		1463
1175	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1177		1466	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1467	or return;
1197		1468
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1210		1470
1211	Coro::cede;	1471	$map->load_header
		1472	or return;
1212		1473
1213	if ($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;
1214	$map->reset;	1477	$map->reset;
1215	undef $guard;	1478	undef $guard;
1216	$map = find $path	1479	return find $path;
1217	or return;
1218	}	1480	}
1219		1481
1220	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1221	}	1483	}
1222	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1223		1488
1224	sub load {	1489	sub load {
1225	my ($self) = @_;	1490	my ($self) = @_;
1226		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1227	my $path = $self->{path};	1494	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1495	my $guard = cf::lock_acquire "map_load:$path";
1229		1496
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1498
1232	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1233		1500
1234	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1235	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1507	or return;
1237		1508
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1510	if delete $self->{load_original};
1240		1511
1241	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1513	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1515	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1246	}	1517	}
1247	}	1518	}
1248		1519
1249	Coro::cede;	1520	Coro::cede;
1250
1251	# now do the right thing for maps	1521	# now do the right thing for maps
1252	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1253		1524
1254	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1526	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1261	$self->set_darkness_map;	1530	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1264	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1265	}	1536	}
1266		1537
		1538	$self->post_load;
1267	Coro::cede;	1539	Coro::cede;
1268		1540
1269	$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	$neigh->load;
		1574	}
1270	}	1575	}
1271		1576
1272	sub find_sync {	1577	sub find_sync {
1273	my ($path, $origin) = @_;	1578	my ($path, $origin) = @_;
1274		1579
1275	cf::sync_job {	1580	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1581	}
1280		1582
1281	sub do_load_sync {	1583	sub do_load_sync {
1282	my ($map) = @_;	1584	my ($map) = @_;
1283		1585
1284	cf::sync_job { $map->load };	1586	cf::sync_job { $map->load };
1285	}	1587	}
1286		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	$MAP_PREFETCHER->prio (6);
		1615
		1616	()
		1617	}
		1618
1287	sub save {	1619	sub save {
1288	my ($self) = @_;	1620	my ($self) = @_;
1289		1621
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1623
1292	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1293		1625
1294	return unless $self->dirty;	1626	return unless $self->dirty;
1295		1627
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1630
1299	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1300		1632
1301	return if $self->{deny_save};	1633	return if $self->{deny_save};
1302		1634
1303	local $self->{last_access} = $self->last_access;#d#	1635	local $self->{last_access} = $self->last_access;#d#
1304		1636
		1637	cf::async {
		1638	$_->contr->save for $self->players;
		1639	};
		1640
1305	if ($uniq) {	1641	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1644	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1646	}
1311	}	1647	}
1312		1648
1313	sub swap_out {	1649	sub swap_out {
1314	my ($self) = @_;	1650	my ($self) = @_;
…		…
1328		1664
1329	sub reset_at {	1665	sub reset_at {
1330	my ($self) = @_;	1666	my ($self) = @_;
1331		1667
1332	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1335		1671
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1674
…		…
1343	my ($self) = @_;	1679	my ($self) = @_;
1344		1680
1345	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1346	}	1682	}
1347		1683
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1684	sub reset {
1370	my ($self) = @_;	1685	my ($self) = @_;
1371		1686
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1688
1374	return if $self->players;	1689	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1376		1691
1377	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1378		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
1379	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1380		1707
1381	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1382		1709
1383	$self->unlink_save;	1710	$self->unlink_save;
1384	$self->destroy;	1711	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1388		1715
1389	sub nuke {	1716	sub nuke {
1390	my ($self) = @_;	1717	my ($self) = @_;
1391		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1395	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1396	}	1732	}
1397		1733
1398	sub customise_for {	1734	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1735
1401	if ($map->per_player) {	1736	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1737	instantiated unique items. May block.
1403	}
1404		1738
1405	$map	1739	=cut
1406	}
1407		1740
1408	sub emergency_save {	1741	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1742	my $files = aio_readdir $UNIQUEDIR
		1743	or return;
1410		1744
1411	warn "enter emergency map save\n";	1745	my @paths;
1412		1746
1413	cf::sync_job {	1747	for (@$files) {
1414	warn "begin emergency map save\n";	1748	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1749	next if /\.pst$/;
		1750	next unless /^$PATH_SEP/o;
		1751
		1752	push @paths, cf::map::normalise $_;
1416	};	1753	}
1417		1754
1418	warn "end emergency map save\n";	1755	\@paths
1419	}	1756	}
1420		1757
1421	package cf;	1758	package cf;
1422		1759
1423	=back	1760	=back
1424		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
1425		1788
1426	=head3 cf::object::player	1789	=head3 cf::object::player
1427		1790
1428	=over 4	1791	=over 4
1429		1792
…		…
1469		1832
1470	=item $player_object->enter_link	1833	=item $player_object->enter_link
1471		1834
1472	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}>).
1473		1836
1474	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
1475	I<MUST> call C<leave_link> as soon as possible, though.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1476		1839
		1840	Will never block.
		1841
1477	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1478		1843
1479	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1847	fails, to the emergency map position.
1483		1848
1484	Might block.	1849	Might block.
1485		1850
1486	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($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	$LINK_MAP
		1861	}
1487		1862
1488	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1864	my ($self) = @_;
1490		1865
1491	$self->deactivate_recursive;	1866	$self->deactivate_recursive;
1492		1867
1493	return if $self->map == $LINK_MAP;	1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1869
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1871	if $self->map;
1497		1872
1498	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1874	}
1500		1875
1501	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1503		1878
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1896	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1897	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1898	if $x <=0 && $y <= 0;
1524		1899
1525	$map->load;	1900	$map->load;
		1901	$map->load_diag;
1526		1902
		1903	return unless $self->contr->active;
1527	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1529	}	1908	}
1530		1909
1531	cf::player->attach (	1910	cf::player->attach (
1532	on_logout => sub {	1911	on_logout => sub {
…		…
1543	my ($pl) = @_;	1922	my ($pl) = @_;
1544		1923
1545	# try to abort aborted map switching on player login :)	1924	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1925	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1926	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1927	$pl->ob->enter_link;
1550	(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);
1551	# 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
1552	# 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
1553	Coro::Timer::sleep 1;	1935	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1936	$pl->ob->leave_link;
1555	})->prio (2);	1937	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1946	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1566		1948
1567	$self->enter_link;	1949	$self->enter_link;
1568		1950
1569	(Coro::async_pool {	1951	(async {
1570	$path = new cf::path $path;	1952	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1953	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1574		1955	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1576	# if $map;
1577
1578	$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);
1579		1958
1580	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1960	})->prio (1);
1582	}	1961	}
1583		1962
…		…
1587		1966
1588	sub parse_random_map_params {	1967	sub parse_random_map_params {
1589	my ($spec) = @_;	1968	my ($spec) = @_;
1590		1969
1591	my $rmp = { # defaults	1970	my $rmp = { # defaults
1592	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1594	};	1975	};
1595		1976
1596	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1598		1979
…		…
1602	$rmp	1983	$rmp
1603	}	1984	}
1604		1985
1605	sub prepare_random_map {	1986	sub prepare_random_map {
1606	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1990
1608	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1993	# that depends on the exit object
1611		1994
1612	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1613		1996
1614	if ($exit->map) {	1997	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1619	}	2002	}
1620		2003
1621	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1622		2005
1623	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1625		2009
1626	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) {
1627	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;
1628		2014
1629	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2016	$exit->msg (undef);
1631	}	2017	}
1632	}	2018	}
…		…
1634	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1636		2022
1637	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
1638		2024
		2025	if ($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
1639	$self->enter_link;	2036	$self->enter_link;
1640		2037
1641	(Coro::async_pool {	2038	(async {
1642	$self->deactivate_recursive; # just to be sure	2039	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2040	unless (eval {
1644	prepare_random_map $exit	2041	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2042
1650	1;	2043	1;
1651	}) {	2044	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "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. "
1654	. "Please report this to the dungeon master",	2047	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2049
1657	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2051	$self->leave_link;
1659	}	2052	}
1660	})->prio (1);	2053	})->prio (1);
…		…
1673		2066
1674	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1676		2069
1677	utf8::encode $text;	2070	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2072	}
1680		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	}
1681		2086
1682	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1683		2088
1684	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	# get handled first	2119	# get handled first
1715	my $queue = delete $ns->{query_queue}	2120	my $queue = delete $ns->{query_queue}
1716	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
1717		2122
1718	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2125
1720	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1721		2127
1722	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2129	if (@$queue) {
…		…
1727	}	2133	}
1728	}	2134	}
1729	},	2135	},
1730	);	2136	);
1731		2137
1732	=item $client->coro (\&cb)	2138	=item $client->async (\&cb)
1733		2139
1734	Create a new coroutine, running the specified callback. The coroutine will	2140	Create a new coroutine, running the specified callback. The coroutine will
1735	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,
1736	or loss of connection).	2142	or loss of connection).
1737		2143
1738	=cut	2144	=cut
1739		2145
1740	sub cf::client::coro {	2146	sub cf::client::async {
1741	my ($self, $cb) = @_;	2147	my ($self, $cb) = @_;
1742		2148
1743	my $coro = &Coro::async_pool ($cb);	2149	my $coro = &Coro::async ($cb);
1744		2150
1745	$coro->on_destroy (sub {	2151	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2152	delete $self->{_coro}{$coro+0};
1747	});	2153	});
1748		2154
…		…
1781		2187
1782	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
1783		2189
1784	=pod	2190	=pod
1785		2191
1786	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
1787		2193
1788	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2195	cf::object::player player
1790	cf::player peaceful	2196	cf::player peaceful
1791	cf::map trigger	2197	cf::map trigger
…		…
1876	#############################################################################	2282	#############################################################################
1877		2283
1878	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
1879		2285
1880	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
1881	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1882	excludes objects.	2288	convert to/from binary).
1883		2289
1884	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
1885	using it, it should be unique.	2291	using it, it should be unique.
1886		2292
1887	=over 4	2293	=over 4
1888		2294
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
1896		2296
1897	Returns a single value from the database	2297	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2298
1904	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
1905		2300
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2302
1917	=cut	2303	=cut
1918		2304
1919	our $DB;	2305	our $DB;
1920		2306
1921	{	2307	sub db_init {
1922	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
1923		2310
1924	sub db_load() {	2311	cf::sync_job {
1925	$DB = stat $path ? Storable::retrieve $path : { };	2312	eval {
1926	}	2313	$DB->set_flags (BDB::CHKSUM);
1927		2314
1928	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1929		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1930	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
1931	waitpid $pid, 0 if $pid;	2318	};
1932	if (0 == ($pid = fork)) {	2319	cf::cleanup "db_open(db): $@" if $@;
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2320	};
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2321	}
		2322	}
1950		2323
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {	2324	sub db_get($$) {
1957	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
1962	sub db_put($$;$) {	2335	sub db_put($$$) {
1963	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
1964	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1965	} else {	2338	}
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970		2339
1971	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
1972	prio => 10000,	2341
1973	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
1974	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($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 "$src->[$_]: $!";
1975	},	2372	}
1976	);	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"
1977	}	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 $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
1978		2454
1979	#############################################################################	2455	#############################################################################
1980	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		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	}
1981		2544
1982	sub cfg_load {	2545	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	2547	or return;
1985		2548
1986	local $/;	2549	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
1988		2551
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2556
1994	if (exists $CFG{mlockall}) {	2557	if (exists $CFG{mlockall}) {
1995	eval {	2558	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2560	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2561	};
1999	warn $@ if $@;	2562	warn $@ if $@;
2000	}	2563	}
2001	}	2564	}
2002		2565
2003	sub main {	2566	sub main {
2004	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
2006	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#
2007	Coro::async_pool { Event::one_event };	2570	(async {
		2571	Event::one_event;
		2572	})->prio (Coro::PRIO_MAX);
2008	};	2573	};
2009		2574
2010	cfg_load;	2575	cfg_load;
2011	db_load;	2576	db_init;
2012	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
2013	Event::loop;	2580	Event::loop;
2014	}	2581	}
2015		2582
2016	#############################################################################	2583	#############################################################################
2017	# initialisation	2584	# initialisation and cleanup
2018		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 $make_core;
		2639	}
		2640
2019	sub reload() {	2641	sub do_reload_perl() {
2020	# can/must only be called in main	2642	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
2023	return;	2645	return;
2024	}	2646	}
2025		2647
2026	warn "reloading...";	2648	warn "reloading...";
2027		2649
2028	my $guard = freeze_mainloop;	2650	warn "entering sync_job";
		2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
2030		2656
2031	eval {	2657	warn "syncing database to disk";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659
2032	# 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
2033		2661
2034	# cancel all watchers	2662	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2665	}
2038		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
2039	# cancel all extension coros	2678	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2680	%EXT_CORO = ();
2042		2681
2043	# unload all extensions	2682	warn "removing commands";
2044	for (@exts) {	2683	%COMMAND = ();
		2684
		2685	warn "removing ext commands";
		2686	%EXTCMD = ();
		2687
		2688	warn "unloading/nuking all extensions";
		2689	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2690	warn "... unloading $pkg";
2046	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: $@";
2047	}	2697	}
2048		2698
		2699	warn "... nuking $pkg";
		2700	Symbol::delete_package $pkg;
		2701	}
		2702
2049	# unload all modules loaded from $LIBDIR	2703	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2706
2053	warn "removing <$k>";	2707	warn "... unloading $k";
2054	delete $INC{$k};	2708	delete $INC{$k};
2055		2709
2056	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
2058		2712
…		…
2061	}	2715	}
2062		2716
2063	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
2064	}	2718	}
2065		2719
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2720	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
2072	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);
2073		2723
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2724	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
2079		2727
2080	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2729	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
2083		2731
2084	# reload cf.pm	2732	warn "unload completed, starting to reload now";
		2733
2085	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
2086	require cf;	2735	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2737
2089	# load config and database again	2738	warn "loading config and database again";
2090	cf::cfg_load;	2739	cf::cfg_load;
2091	cf::db_load;
2092		2740
2093	# load extensions
2094	warn "load extensions";	2741	warn "loading extensions";
2095	cf::load_extensions;	2742	cf::load_extensions;
2096		2743
2097	# reattach attachments to objects	2744	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2745	_global_reattach; # objects, sockets
2099	_global_reattach;	2746	warn "reattaching attachments to maps";
2100	};	2747	reattach $_ for values %MAP;
		2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
2101		2750
2102	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
2103	warn $@;	2755	warn $@;
2104	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
2105	exit 1;	2757	exit 1;
2106	}	2758	};
2107		2759
2108	warn "reloaded successfully";	2760	warn "reloaded";
2109	};	2761	};
2110		2762
2111	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
2112		2764
2113	unless ($LINK_MAP) {	2765	sub reload_perl() {
2114	$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.
2115		2768
2116	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	2770	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2126	cb => sub {	2773	cb => sub {
2127	$_[0]->w->cancel;	2774	do_reload_perl;
2128		2775	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	2776	},
2147		2777	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	2778	}
2153
2154	register "<global>", __PACKAGE__;
2155		2779
2156	register_command "reload" => sub {	2780	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2158		2782
2159	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2163	}	2786	}
2164	};	2787	};
2165		2788
2166	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	}
2167		2813
2168	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2170	prio => 0,	2817	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2173	cb => sub {	2820	cb => sub {
		2821	if ($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
2174	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2175	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
2177		2833
		2834	if ($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
2178	# 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
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2847
2181	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2182	$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;
2183	},	2859	},
2184	);	2860	);
2185		2861
		2862	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2187		2864	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2865	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2190	poll => 'r',	2867	poll => 'r',
2191	prio => 5,	2868	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2198	after => 0,	2870	cb => \&BDB::poll_cb,
2199	interval => 10,	2871	);
2200	cb => sub {	2872	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2873
2202	write_runtime	2874	BDB::set_sync_prepare {
2203	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 $@;
2204	})->();	2908	};
2205	},	2909	}
2206	);	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;
2207		2929
2208	END { cf::emergency_save }	2930	END { cf::emergency_save }
2209		2931
2210	1	2932	1
2211		2933

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