ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.269 by root, Tue May 22 21:35:26 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 $FREEZE;	91
55	our $RANDOM_MAPS = cf::localdir . "/random";	92	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
57		98
58	binmode STDOUT;	99	binmode STDOUT;
59	binmode STDERR;	100	binmode STDERR;
60		101
61	# read virtual server time, if available	102	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
66	}	107	}
67		108
68	mkdir cf::localdir;	109	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		111
74	# a special map that is always available	112	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		113
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	114	sub cf::map::normalise;
78		115
79	#############################################################################	116	#############################################################################
80		117
81	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
82		119
…		…
89	=item $cf::RUNTIME	126	=item $cf::RUNTIME
90		127
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	129	every server tick.
93		130
94	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		134
96	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
98		139
99	=item $cf::NOW	140	=item $cf::NOW
100		141
101	The time of the last (current) server tick.	142	The time of the last (current) server tick.
102		143
103	=item $cf::TICK	144	=item $cf::TICK
104		145
105	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
106		157
107	=item %cf::CFG	158	=item %cf::CFG
108		159
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		168
112	=back	169	=back
113		170
114	=cut	171	=cut
115		172
116	BEGIN {	173	BEGIN {
117	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	175	my $msg = join "", @_;
119	utf8::encode $msg;
120		176
121	$msg .= "\n"	177	$msg .= "\n"
122	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
123		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
125	};	184	};
126	}	185	}
127		186
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		206
148	$Event::DIED = sub {	207	$Event::DIED = sub {
149	warn "error in event callback: @_";	208	warn "error in event callback: @_";
150	};	209	};
151		210
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	211	=head2 UTILITY FUNCTIONS
157		212
158	=over 4	213	=over 4
159		214
160	=cut	215	=item dumpval $ref
161		216
		217	=cut
		218
		219	sub dumpval {
		220	eval {
		221	local $SIG{__DIE__};
		222	my $d;
		223	if (1) {
		224	$d = new Data::Dumper([$_[0]], ["*var"]);
		225	$d->Terse(1);
		226	$d->Indent(2);
		227	$d->Quotekeys(0);
		228	$d->Useqq(1);
		229	#$d->Bless(...);
		230	$d->Seen($_[1]) if @_ > 1;
		231	$d = $d->Dump();
		232	}
		233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		234	$d
		235	} || "[unable to dump $_[0]: '$@']";
		236	}
		237
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		239
164	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
165		241
166	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
167		243
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
176		245
177	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
178		247
179	=cut	248	=item cf::lock_wait $string
180		249
181	sub to_json($) {	250	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	251
183	JSON::Syck::Dump $_[0]	252	=item my $lock = cf::lock_acquire $string
		253
		254	Wait until the given lock is available and then acquires it and returns
		255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		256	for example when the coroutine gets canceled), the lock is automatically
		257	returned.
		258
		259	Lock names should begin with a unique identifier (for example, cf::map::find
		260	uses map_find and cf::map::load uses map_load).
		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
		266	=cut
		267
		268	our %LOCK;
		269
		270	sub lock_wait($) {
		271	my ($key) = @_;
		272
		273	# wait for lock, if any
		274	while ($LOCK{$key}) {
		275	push @{ $LOCK{$key} }, $Coro::current;
		276	Coro::schedule;
		277	}
184	}	278	}
		279
		280	sub lock_acquire($) {
		281	my ($key) = @_;
		282
		283	# wait, to be sure we are not locked
		284	lock_wait $key;
		285
		286	$LOCK{$key} = [];
		287
		288	Coro::guard {
		289	# wake up all waiters, to be on the safe side
		290	$_->ready for @{ delete $LOCK{$key} };
		291	}
		292	}
		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
		300	sub freeze_mainloop {
		301	return unless $TICK_WATCHER->is_active;
		302
		303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
		306	$TICK_WATCHER->stop;
		307	$guard
		308	}
		309
		310	=item cf::async { BLOCK }
		311
		312	Currently the same as Coro::async_pool, meaning you cannot use
		313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		314	thing you are allowed to do is call C<prio> on it.
		315
		316	=cut
		317
		318	BEGIN { *async = \&Coro::async_pool }
185		319
186	=item cf::sync_job { BLOCK }	320	=item cf::sync_job { BLOCK }
187		321
188	The design of crossfire+ requires that the main coro ($Coro::main) is	322	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	323	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	331	=cut
198		332
199	sub sync_job(&) {	333	sub sync_job(&) {
200	my ($job) = @_;	334	my ($job) = @_;
201		335
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
		339	# this is the main coro, too bad, we have to block
		340	# till the operation succeeds, freezing the server :/
		341
212	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	343	# (but this is cancel-safe)
		344	my $freeze_guard = freeze_mainloop;
		345
		346	my $busy = 1;
		347	my @res;
		348
		349	(async {
		350	@res = eval { $job->() };
		351	warn $@ if $@;
		352	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	353	})->prio (Coro::PRIO_MAX);
		354
215	while ($busy) {	355	while ($busy) {
216	Coro::cede_notself;	356	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	357	}
		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
		366	wantarray ? @res : $res[0]
219	} else {	367	} else {
220	$coro->join;	368	# we are in another coroutine, how wonderful, everything just works
		369
		370	$job->()
221	}	371	}
222
223	wantarray ? @res : $res[0]
224	}	372	}
225		373
226	=item $coro = cf::coro { BLOCK }	374	=item $coro = cf::async_ext { BLOCK }
227		375
228	Creates and returns a new coro. This coro is automcatially being canceled	376	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	377	extension calling this is being unloaded.
230		378
231	=cut	379	=cut
232		380
233	sub coro(&) {	381	sub async_ext(&) {
234	my $cb = shift;	382	my $cb = shift;
235		383
236	my $coro; $coro = async {	384	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		385
243	$coro->on_destroy (sub {	386	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	387	delete $EXT_CORO{$coro+0};
245	});	388	});
246	$EXT_CORO{$coro+0} = $coro;	389	$EXT_CORO{$coro+0} = $coro;
247		390
248	$coro	391	$coro
249	}	392	}
250		393
251	sub write_runtime {	394	sub write_runtime {
252	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
253		405
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	407	or return;
256		408
257	my $value = $cf::RUNTIME;	409	my $value = $cf::RUNTIME + 90 + 10;
		410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	414	and return;
260		415
		416	# always fsync - this file is important
261	aio_fsync $fh	417	aio_fsync $fh
262	and return;	418	and return;
263		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
264	close $fh	423	close $fh
265	or return;	424	or return;
266		425
267	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
268	and return;	427	and return;
269		428
		429	warn "runtime file written.\n";#d#
		430
270	1	431	1
271	}	432	}
272		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
273	=back	445	=back
274		446
275	=cut	447	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		448
387	#############################################################################	449	#############################################################################
388		450
389	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
390		452
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	579	our @CB_MAP = ();
518		580
519	my %attachment;	581	my %attachment;
520		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
521	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
523		591
524	use sort 'stable';	592	use sort 'stable';
525		593
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
560		628
561	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		633
566	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	635	my $pkg = shift @arg;
568		636
569	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
610	if (ref $_[0]) {	678	if (ref $_[0]) {
611	_object_attach @_;	679	_object_attach @_;
612	} else {	680	} else {
613	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
614	}	682	}
		683	_recalc_want;
615	};	684	};
616		685
617	# all those should be optimised	686	# all those should be optimised
618	sub cf::attachable::detach {	687	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
623	reattach ($obj);	692	reattach ($obj);
624	} else {	693	} else {
625	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
626	}	695	}
		696	_recalc_want;
627	};	697	};
628		698
629	sub cf::attachable::attached {	699	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
631		701
…		…
696	# object support	766	# object support
697		767
698	sub reattach {	768	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	769	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	770	my ($obj) = @_;
		771
		772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		773
702	my $registry = $obj->registry;	774	my $registry = $obj->registry;
703		775
704	@$registry = ();	776	@$registry = ();
705		777
…		…
752	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
753		825
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	830	close $fh;
759		831
760	if (@$objs) {	832	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	838	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
768	}	840	}
769	} else {	841	} else {
770	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
798	or return;	870	or return;
799		871
800	unless (aio_stat "$filename.pst") {	872	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	873	(aio_load "$filename.pst", $av) >= 0
802	or return;	874	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	875	$av = eval { (Storable::thaw $av)->{objs} };
804	}	876	}
805		877
		878	warn sprintf "loading %s (%d)\n",
		879	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	880	return ($data, $av);
807	}	881	}
808		882
809	#############################################################################	883	#############################################################################
810	# command handling &c	884	# command handling &c
…		…
835	=cut	909	=cut
836		910
837	sub register_extcmd {	911	sub register_extcmd {
838	my ($name, $cb) = @_;	912	my ($name, $cb) = @_;
839		913
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	914	$EXTCMD{$name} = $cb;
844	}	915	}
845		916
846	cf::player->attach (	917	cf::player->attach (
847	on_command => sub {	918	on_command => sub {
848	my ($pl, $name, $params) = @_;	919	my ($pl, $name, $params) = @_;
…		…
861		932
862	my $msg = eval { from_json $buf };	933	my $msg = eval { from_json $buf };
863		934
864	if (ref $msg) {	935	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	937	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	938	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	939	}
869	}	940	}
870	} else {	941	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		944
874	cf::override;	945	cf::override;
875	},	946	},
876	);	947	);
877		948
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	949	sub load_extension {
885	my ($path) = @_;	950	my ($path) = @_;
886		951
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	953	my $base = $1;
889	my $pkg = $1;	954	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	955	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	956	$pkg = "ext::$pkg";
892		957
893	warn "loading '$path' into '$pkg'\n";	958	warn "... loading '$path' into '$pkg'\n";
894		959
895	open my $fh, "<:utf8", $path	960	open my $fh, "<:utf8", $path
896	or die "$path: $!";	961	or die "$path: $!";
897		962
898	my $source =	963	my $source =
899	"package $pkg; use strict; use utf8;\n"	964	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	965	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	966	. (do { local $/; <$fh> })
902	. "\n};\n1";	967	. "\n};\n1";
903		968
904	eval $source	969	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	970	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	971	: "extension disabled.\n";
907		972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	973	warn $@;
909	$ext_pkg{$base} = $pkg;	974	warn "mandatory extension failed to load, exiting.\n";
910		975	exit 1;
911	# no strict 'refs';	976	}
912	# @{"$pkg\::ISA"} = ext::;	977	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	978	}
927		979
928	# remove commands	980	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	981	}
953		982
954	sub load_extensions {	983	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	984	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	985	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	989	} or warn "$ext not loaded: $@";
961	}	990	}
962	}	991	}
963		992
964	#############################################################################	993	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		994
1002	=head2 CORE EXTENSIONS	995	=head2 CORE EXTENSIONS
1003		996
1004	Functions and methods that extend core crossfire objects.	997	Functions and methods that extend core crossfire objects.
1005		998
		999	=cut
		1000
		1001	package cf::player;
		1002
		1003	use Coro::AIO;
		1004
1006	=head3 cf::player	1005	=head3 cf::player
1007		1006
1008	=over 4	1007	=over 4
1009		1008
1010	=item cf::player::exists $login	1009	=item cf::player::find $login
1011		1010
1012	Returns true when the given account exists.	1011	Returns the given player object, loading it if necessary (might block).
1013		1012
1014	=cut	1013	=cut
1015		1014
1016	sub cf::player::exists($) {	1015	sub playerdir($) {
1017	cf::player::find $_[0]	1016	"$PLAYERDIR/"
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1019	}	1018	}
1020		1019
		1020	sub path($) {
		1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1022
		1023	(playerdir $login) . "/playerdata"
		1024	}
		1025
		1026	sub find_active($) {
		1027	$cf::PLAYER{$_[0]}
		1028	and $cf::PLAYER{$_[0]}->active
		1029	and $cf::PLAYER{$_[0]}
		1030	}
		1031
		1032	sub exists($) {
		1033	my ($login) = @_;
		1034
		1035	$cf::PLAYER{$login}
		1036	or cf::sync_job { !aio_stat path $login }
		1037	}
		1038
		1039	sub find($) {
		1040	return $cf::PLAYER{$_[0]} || do {
		1041	my $login = $_[0];
		1042
		1043	my $guard = cf::lock_acquire "user_find:$login";
		1044
		1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
		1053	my $pl = load_pl path $login
		1054	or return;
		1055	$cf::PLAYER{$login} = $pl
		1056	}
		1057	}
		1058	}
		1059
		1060	sub save($) {
		1061	my ($pl) = @_;
		1062
		1063	return if $pl->{deny_save};
		1064
		1065	my $path = path $pl;
		1066	my $guard = cf::lock_acquire "user_save:$path";
		1067
		1068	return if $pl->{deny_save};
		1069
		1070	aio_mkdir playerdir $pl, 0770;
		1071	$pl->{last_save} = $cf::RUNTIME;
		1072
		1073	$pl->save_pl ($path);
		1074	Coro::cede;
		1075	}
		1076
		1077	sub new($) {
		1078	my ($login) = @_;
		1079
		1080	my $self = create;
		1081
		1082	$self->ob->name ($login);
		1083	$self->{deny_save} = 1;
		1084
		1085	$cf::PLAYER{$login} = $self;
		1086
		1087	$self
		1088	}
		1089
		1090	=item $pl->quit_character
		1091
		1092	Nukes the player without looking back. If logged in, the connection will
		1093	be destroyed. May block for a long time.
		1094
		1095	=cut
		1096
		1097	sub quit_character {
		1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
		1101
		1102	$pl->{deny_save} = 1;
		1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1104
		1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1106	$pl->deactivate;
		1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1108	$pl->ns->destroy if $pl->ns;
		1109
		1110	my $path = playerdir $pl;
		1111	my $temp = "$path~$cf::RUNTIME~deleting~";
		1112	aio_rename $path, $temp;
		1113	delete $cf::PLAYER{$pl->ob->name};
		1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
		1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
		1136	}
		1137
		1138	=item cf::player::list_logins
		1139
		1140	Returns am arrayref of all valid playernames in the system, can take a
		1141	while and may block, so not sync_job-capable, ever.
		1142
		1143	=cut
		1144
		1145	sub list_logins {
		1146	my $dirs = aio_readdir $PLAYERDIR
		1147	or return [];
		1148
		1149	my @logins;
		1150
		1151	for my $login (@$dirs) {
		1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1153	aio_read $fh, 0, 512, my $buf, 0 or next;
		1154	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1155
		1156	utf8::decode $login;
		1157	push @logins, $login;
		1158	}
		1159
		1160	\@logins
		1161	}
		1162
		1163	=item $player->maps
		1164
		1165	Returns an arrayref of map paths that are private for this
		1166	player. May block.
		1167
		1168	=cut
		1169
		1170	sub maps($) {
		1171	my ($pl) = @_;
		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
		1174
		1175	my $files = aio_readdir playerdir $pl
		1176	or return;
		1177
		1178	my @paths;
		1179
		1180	for (@$files) {
		1181	utf8::decode $_;
		1182	next if /\.(?:pl|pst)$/;
		1183	next unless /^$PATH_SEP/o;
		1184
		1185	push @paths, cf::map::normalise "~$pl/$_";
		1186	}
		1187
		1188	\@paths
		1189	}
		1190
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1022		1192
1023	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1024		1194
1025	=cut	1195	=cut
1026		1196
1027	sub cf::player::ext_reply($$$%) {	1197	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1029		1199
1030	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1031		1201
1032	$self->send ("ext " . to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
		1203	}
		1204
		1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
1033	}	1244	}
1034		1245
1035	=back	1246	=back
1036
1037		1247
1038	=head3 cf::map	1248	=head3 cf::map
1039		1249
1040	=over 4	1250	=over 4
1041		1251
…		…
1044	package cf::map;	1254	package cf::map;
1045		1255
1046	use Fcntl;	1256	use Fcntl;
1047	use Coro::AIO;	1257	use Coro::AIO;
1048		1258
		1259	use overload
		1260	'""' => \&as_string,
		1261	fallback => 1;
		1262
1049	our $MAX_RESET = 7200;	1263	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1264	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1265
1054	sub generate_random_map {	1266	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1267	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1268	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1269	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1273	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1274	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1280	(cf::region::find $rmp->{region}), $rmp->{custom}
		1281	)
		1282	}
		1283
		1284	=item cf::map->register ($regex, $prio)
		1285
		1286	Register a handler for the map path matching the given regex at the
		1287	givne priority (higher is better, built-in handlers have priority 0, the
		1288	default).
		1289
		1290	=cut
		1291
		1292	sub register {
		1293	my (undef, $regex, $prio) = @_;
		1294	my $pkg = caller;
		1295
		1296	no strict;
		1297	push @{"$pkg\::ISA"}, __PACKAGE__;
		1298
		1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1300	}
		1301
		1302	# also paths starting with '/'
		1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1304
		1305	sub thawer_merge {
		1306	my ($self, $merge) = @_;
		1307
		1308	# we have to keep some variables in memory intact
		1309	local $self->{path};
		1310	local $self->{load_path};
		1311	local $self->{deny_save};
		1312	local $self->{deny_reset};
		1313
		1314	$self->SUPER::thawer_merge ($merge);
		1315	}
		1316
		1317	sub normalise {
		1318	my ($path, $base) = @_;
		1319
		1320	$path = "$path"; # make sure its a string
		1321
		1322	$path =~ s/\.map$//;
		1323
		1324	# map plan:
		1325	#
		1326	# /! non-realised random map exit (special hack!)
		1327	# {... are special paths that are not being touched
		1328	# ?xxx/... are special absolute paths
		1329	# ?random/... random maps
		1330	# /... normal maps
		1331	# ~user/... per-player map of a specific user
		1332
		1333	$path =~ s/$PATH_SEP/\//go;
		1334
		1335	# treat it as relative path if it starts with
		1336	# something that looks reasonable
		1337	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1338	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1339
		1340	$base =~ s{[^/]+/?$}{};
		1341	$path = "$base/$path";
		1342	}
		1343
		1344	for ($path) {
		1345	redo if s{//}{/};
		1346	redo if s{/\.?/}{/};
		1347	redo if s{/[^/]+/\.\./}{/};
		1348	}
		1349
		1350	$path
		1351	}
		1352
		1353	sub new_from_path {
		1354	my (undef, $path, $base) = @_;
		1355
		1356	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1357
		1358	$path = normalise $path, $base;
		1359
		1360	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1361	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1362	my $self = bless cf::map::new, $pkg;
		1363	$self->{path} = $path; $self->path ($path);
		1364	$self->init; # pass $1 etc.
		1365	return $self;
		1366	}
		1367	}
		1368
		1369	Carp::carp "unable to resolve path '$path' (base '$base').";
		1370	()
		1371	}
		1372
		1373	sub init {
		1374	my ($self) = @_;
		1375
		1376	$self
		1377	}
		1378
		1379	sub as_string {
		1380	my ($self) = @_;
		1381
		1382	"$self->{path}"
		1383	}
		1384
		1385	# the displayed name, this is a one way mapping
		1386	sub visible_name {
		1387	&as_string
		1388	}
		1389
		1390	# the original (read-only) location
		1391	sub load_path {
		1392	my ($self) = @_;
		1393
		1394	"$MAPDIR/$self->{path}.map"
		1395	}
		1396
		1397	# the temporary/swap location
		1398	sub save_path {
		1399	my ($self) = @_;
		1400
		1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1402	"$TMPDIR/$path.map"
		1403	}
		1404
		1405	# the unique path, undef == no special unique path
		1406	sub uniq_path {
		1407	my ($self) = @_;
		1408
		1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1410	"$UNIQUEDIR/$path"
1071	}	1411	}
1072		1412
1073	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1074	# all maps in C++...	1414	# all maps in C++...
1075	sub change_all_map_light {	1415	sub change_all_map_light {
1076	my ($change) = @_;	1416	my ($change) = @_;
1077		1417
1078	$_->change_map_light ($change) for values %cf::MAP;	1418	$_->change_map_light ($change)
		1419	for grep $_->outdoor, values %cf::MAP;
1079	}	1420	}
1080		1421
		1422	sub unlink_save {
		1423	my ($self) = @_;
		1424
		1425	utf8::encode (my $save = $self->save_path);
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1427	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1428	}
		1429
1081	sub try_load_header($) {	1430	sub load_header_from($) {
1082	my ($path) = @_;	1431	my ($self, $path) = @_;
1083		1432
1084	utf8::encode $path;	1433	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
		1435	# or return;
		1436
		1437	$self->_load_header ($path)
1086	or return;	1438	or return;
1087		1439
1088	my $map = cf::map::new	1440	$self->{load_path} = $path;
		1441
		1442	1
		1443	}
		1444
		1445	sub load_header_orig {
		1446	my ($self) = @_;
		1447
		1448	$self->load_header_from ($self->load_path)
		1449	}
		1450
		1451	sub load_header_temp {
		1452	my ($self) = @_;
		1453
		1454	$self->load_header_from ($self->save_path)
		1455	}
		1456
		1457	sub prepare_temp {
		1458	my ($self) = @_;
		1459
		1460	$self->last_access ((delete $self->{last_access})
		1461	|| $cf::RUNTIME); #d#
		1462	# safety
		1463	$self->{instantiate_time} = $cf::RUNTIME
		1464	if $self->{instantiate_time} > $cf::RUNTIME;
		1465	}
		1466
		1467	sub prepare_orig {
		1468	my ($self) = @_;
		1469
		1470	$self->{load_original} = 1;
		1471	$self->{instantiate_time} = $cf::RUNTIME;
		1472	$self->last_access ($cf::RUNTIME);
		1473	$self->instantiate;
		1474	}
		1475
		1476	sub load_header {
		1477	my ($self) = @_;
		1478
		1479	if ($self->load_header_temp) {
		1480	$self->prepare_temp;
		1481	} else {
		1482	$self->load_header_orig
1089	or return;	1483	or return;
		1484	$self->prepare_orig;
		1485	}
1090		1486
1091	$map->load_header ($path)	1487	$self->default_region (cf::region::find_by_path $self->{path})
1092	or return;	1488	unless $self->default_region;
1093		1489
1094	$map->{load_path} = $path;	1490	1
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1491	}
1099		1492
		1493	sub find;
1100	sub find_map {	1494	sub find {
1101	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1102		1496
1103	#warn "find_map<$path,$origin>\n";#d#	1497	$path = normalise $path, $origin && $origin->path;
1104		1498
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1499	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1500
1108	$cf::MAP{$key} || do {	1501	$cf::MAP{$path} || do {
1109	# do it the slow way	1502	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1503	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1504	or return;
1124		1505
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1506	$map->{last_save} = $cf::RUNTIME;
1135		1507
1136	$map->reset if $map->should_reset;	1508	$map->load_header
		1509	or return;
1137		1510
		1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1512	# doing this can freeze the server in a sync job, obviously
		1513	#$cf::WAIT_FOR_TICK->wait;
		1514	$map->reset;
		1515	undef $guard;
		1516	return find $path;
		1517	}
		1518
1138	$cf::MAP{$key} = $map	1519	$cf::MAP{$path} = $map
1139	}	1520	}
1140	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1141		1525
1142	sub load {	1526	sub load {
1143	my ($self) = @_;	1527	my ($self) = @_;
1144		1528
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1529	local $self->{deny_reset} = 1; # loading can take a long time
1146
1147	$self->in_memory (cf::MAP_LOADING);
1148		1530
1149	my $path = $self->{path};	1531	my $path = $self->{path};
1150		1532
		1533	{
		1534	my $guard = cf::lock_acquire "map_load:$path";
		1535
		1536	return if $self->in_memory != cf::MAP_SWAPPED;
		1537
		1538	$self->in_memory (cf::MAP_LOADING);
		1539
1151	$self->alloc;	1540	$self->alloc;
		1541
		1542	$self->pre_load;
		1543	Coro::cede;
		1544
1152	$self->load_objects ($self->{load_path}, 1)	1545	$self->_load_objects ($self->{load_path}, 1)
1153	or return;	1546	or return;
1154		1547
		1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1549	if delete $self->{load_original};
		1550
1155	if (my $uniq = $path->uniq_path) {	1551	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1552	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1553	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1554	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1555	$self->_load_objects ($uniq, 0);
1160	}	1556	}
1161	}	1557	}
1162		1558
		1559	Coro::cede;
1163	# now do the right thing for maps	1560	# now do the right thing for maps
1164	$self->link_multipart_objects;	1561	$self->link_multipart_objects;
1165
1166	if ($self->{path}->is_style_map) {
1167	$self->{deny_save} = 1;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;
1173	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1563	unless $self->difficulty;
		1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1176	$self->activate;	1573	$self->activate;
1177	}	1574	}
1178		1575
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1576	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1577	}
1181		1578
1182	sub load_map_sync {	1579	$self->post_load;
		1580	}
		1581
		1582	sub customise_for {
		1583	my ($self, $ob) = @_;
		1584
		1585	return find "~" . $ob->name . "/" . $self->{path}
		1586	if $self->per_player;
		1587
		1588	$self
		1589	}
		1590
		1591	# find and load all maps in the 3x3 area around a map
		1592	sub load_diag {
		1593	my ($map) = @_;
		1594
		1595	my @diag; # diagonal neighbours
		1596
		1597	for (0 .. 3) {
		1598	my $neigh = $map->tile_path ($_)
		1599	or next;
		1600	$neigh = find $neigh, $map
		1601	or next;
		1602	$neigh->load;
		1603
		1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1606	}
		1607
		1608	for (@diag) {
		1609	my $neigh = find @$_
		1610	or next;
		1611	$neigh->load;
		1612	}
		1613	}
		1614
		1615	sub find_sync {
1183	my ($path, $origin) = @_;	1616	my ($path, $origin) = @_;
1184		1617
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1618	cf::sync_job { find $path, $origin }
		1619	}
1186		1620
1187	cf::sync_job {	1621	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1622	my ($map) = @_;
1189	or return;	1623
		1624	cf::sync_job { $map->load };
		1625	}
		1626
		1627	our %MAP_PREFETCH;
		1628	our $MAP_PREFETCHER = undef;
		1629
		1630	sub find_async {
		1631	my ($path, $origin) = @_;
		1632
		1633	$path = normalise $path, $origin && $origin->{path};
		1634
		1635	if (my $map = $cf::MAP{$path}) {
		1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1637	}
		1638
		1639	undef $MAP_PREFETCH{$path};
		1640	$MAP_PREFETCHER ||= cf::async {
		1641	while (%MAP_PREFETCH) {
		1642	for my $path (keys %MAP_PREFETCH) {
		1643	my $map = find $path
		1644	or next;
1190	$map->load;	1645	$map->load;
1191	$map	1646
		1647	delete $MAP_PREFETCH{$path};
		1648	}
		1649	}
		1650	undef $MAP_PREFETCHER;
1192	}	1651	};
		1652	$MAP_PREFETCHER->prio (6);
		1653
		1654	()
1193	}	1655	}
1194		1656
1195	sub save {	1657	sub save {
1196	my ($self) = @_;	1658	my ($self) = @_;
1197		1659
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1661
1201	$self->{last_save} = $cf::RUNTIME;	1662	$self->{last_save} = $cf::RUNTIME;
1202		1663
1203	return unless $self->dirty;	1664	return unless $self->dirty;
1204		1665
		1666	my $save = $self->save_path; utf8::encode $save;
		1667	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1668
1205	$self->{load_path} = $save;	1669	$self->{load_path} = $save;
1206		1670
1207	return if $self->{deny_save};	1671	return if $self->{deny_save};
1208		1672
1209	warn "saving map ", $self->path;	1673	local $self->{last_access} = $self->last_access;#d#
		1674
		1675	cf::async {
		1676	$_->contr->save for $self->players;
		1677	};
1210		1678
1211	if ($uniq) {	1679	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1682	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	1684	}
1217	}	1685	}
1218		1686
1219	sub swap_out {	1687	sub swap_out {
1220	my ($self) = @_;	1688	my ($self) = @_;
		1689
		1690	# save first because save cedes
		1691	$self->save;
		1692
		1693	my $lock = cf::lock_acquire "map_data:" . $self->path;
1221		1694
1222	return if $self->players;	1695	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1697	return if $self->{deny_save};
1225		1698
1226	$self->save;
1227	$self->clear;	1699	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1700	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1701	}
1230		1702
		1703	sub reset_at {
		1704	my ($self) = @_;
		1705
		1706	# TODO: safety, remove and allow resettable per-player maps
		1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1708	return 1e99 if $self->{deny_reset};
		1709
		1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1712
		1713	$time + $to
		1714	}
		1715
1231	sub should_reset {	1716	sub should_reset {
1232	my ($map) = @_;	1717	my ($self) = @_;
1233		1718
1234	# TODO: safety, remove and allow resettable per-player maps	1719	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	1720	}
1243		1721
1244	sub reset {	1722	sub reset {
1245	my ($self) = @_;	1723	my ($self) = @_;
1246		1724
		1725	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1726
1247	return if $self->players;	1727	return if $self->players;
1248	return if $self->{path}{user_rel};#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1249		1729
1250	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1251		1731
1252	utf8::encode (my $save = $self->{path}->save_path);	1732	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1733
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
		1742	delete $cf::MAP{$self->path};
		1743
		1744	$self->clear;
1255		1745
1256	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1257		1747
		1748	$self->unlink_save;
1258	$self->clear;	1749	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}	1750	}
1262		1751
1263	sub customise_for {	1752	my $nuke_counter = "aaaa";
1264	my ($map, $ob) = @_;
1265		1753
1266	if ($map->per_player) {	1754	sub nuke {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1755	my ($self) = @_;
1268	}
1269		1756
1270	$map	1757	delete $cf::MAP{$self->path};
1271	}
1272		1758
1273	sub emergency_save {	1759	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		1760
1276	warn "enter emergency map save\n";	1761	bless $self, "cf::map";
		1762	delete $self->{deny_reset};
		1763	$self->{deny_save} = 1;
		1764	$self->reset_timeout (1);
		1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		1766
1278	cf::sync_job {	1767	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";	1768
1280	$_->save for values %cf::MAP;	1769	$self->reset; # polite request, might not happen
		1770	}
		1771
		1772	=item cf::map::unique_maps
		1773
		1774	Returns an arrayref of paths of all shared maps that have
		1775	instantiated unique items. May block.
		1776
		1777	=cut
		1778
		1779	sub unique_maps() {
		1780	my $files = aio_readdir $UNIQUEDIR
		1781	or return;
		1782
		1783	my @paths;
		1784
		1785	for (@$files) {
		1786	utf8::decode $_;
		1787	next if /\.pst$/;
		1788	next unless /^$PATH_SEP/o;
		1789
		1790	push @paths, cf::map::normalise $_;
1281	};	1791	}
1282		1792
1283	warn "end emergency map save\n";	1793	\@paths
1284	}	1794	}
1285		1795
1286	package cf;	1796	package cf;
1287		1797
1288	=back	1798	=back
1289		1799
		1800	=head3 cf::object
		1801
		1802	=cut
		1803
		1804	package cf::object;
		1805
		1806	=over 4
		1807
		1808	=item $ob->inv_recursive
		1809
		1810	Returns the inventory of the object _and_ their inventories, recursively.
		1811
		1812	=cut
		1813
		1814	sub inv_recursive_;
		1815	sub inv_recursive_ {
		1816	map { $_, inv_recursive_ $_->inv } @_
		1817	}
		1818
		1819	sub inv_recursive {
		1820	inv_recursive_ inv $_[0]
		1821	}
		1822
		1823	package cf;
		1824
		1825	=back
1290		1826
1291	=head3 cf::object::player	1827	=head3 cf::object::player
1292		1828
1293	=over 4	1829	=over 4
1294		1830
…		…
1330	(ref $cf::CFG{"may_$access"}	1866	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1867	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1868	: $cf::CFG{"may_$access"})
1333	}	1869	}
1334		1870
		1871	=item $player_object->enter_link
		1872
		1873	Freezes the player and moves him/her to a special map (C<{link}>).
		1874
		1875	The player should be reasonably safe there for short amounts of time. You
		1876	I<MUST> call C<leave_link> as soon as possible, though.
		1877
		1878	Will never block.
		1879
		1880	=item $player_object->leave_link ($map, $x, $y)
		1881
		1882	Moves the player out of the special C<{link}> map onto the specified
		1883	map. If the map is not valid (or omitted), the player will be moved back
		1884	to the location he/she was before the call to C<enter_link>, or, if that
		1885	fails, to the emergency map position.
		1886
		1887	Might block.
		1888
		1889	=cut
		1890
		1891	sub link_map {
		1892	unless ($LINK_MAP) {
		1893	$LINK_MAP = cf::map::find "{link}"
		1894	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1895	$LINK_MAP->load;
		1896	}
		1897
		1898	$LINK_MAP
		1899	}
		1900
1335	sub cf::object::player::enter_link {	1901	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1902	my ($self) = @_;
1337		1903
1338	return if $self->map == $LINK_MAP;	1904	$self->deactivate_recursive;
1339		1905
		1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1907
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1909	if $self->map;
1342		1910
1343	$self->enter_map ($LINK_MAP, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1344	$self->deactivate_recursive;
1345	}	1912	}
1346		1913
1347	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1349		1916
1350	my $link_pos = delete $self->{_link_pos};	1917	my $link_pos = delete $self->{_link_pos};
1351		1918
1352	unless ($map) {	1919	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	1920	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	1921	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	1922	$map = cf::map::find $map;
1358		1923
1359	unless ($map) {	1924	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1925	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1926	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1927	or die "FATAL: cannot load emergency map\n";
1363	}	1928	}
1364	}	1929	}
1365		1930
1366	($x, $y) = (-1, -1)	1931	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	1934	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1935	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1936	if $x <=0 && $y <= 0;
1372		1937
1373	$map->load;	1938	$map->load;
		1939	$map->load_diag;
1374		1940
		1941	return unless $self->contr->active;
1375	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1377	}	1946	}
1378		1947
1379	=item $player_object->goto_map ($map, $x, $y)	1948	cf::player->attach (
		1949	on_logout => sub {
		1950	my ($pl) = @_;
1380		1951
1381	=cut	1952	# abort map switching before logout
		1953	if ($pl->ob->{_link_pos}) {
		1954	cf::sync_job {
		1955	$pl->ob->leave_link
		1956	};
		1957	}
		1958	},
		1959	on_login => sub {
		1960	my ($pl) = @_;
1382		1961
		1962	# try to abort aborted map switching on player login :)
		1963	# should happen only on crashes
		1964	if ($pl->ob->{_link_pos}) {
		1965	$pl->ob->enter_link;
		1966	(async {
		1967	$pl->ob->reply (undef,
		1968	"There was an internal problem at your last logout, "
		1969	. "the server will try to bring you to your intended destination in a second.",
		1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
		1973	Coro::Timer::sleep 1;
		1974	$pl->ob->leave_link;
		1975	})->prio (2);
		1976	}
		1977	},
		1978	);
		1979
		1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])
		1981
		1982	Moves the player to the given map-path and coordinates by first freezing
		1983	her, loading and preparing them map, calling the provided $check callback
		1984	that has to return the map if sucecssful, and then unfreezes the player on
		1985	the new (success) or old (failed) map position.
		1986
		1987	=cut
		1988
1383	sub cf::object::player::goto_map {	1989	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1990	my ($self, $path, $x, $y, $check) = @_;
1385		1991
1386	$self->enter_link;	1992	$self->enter_link;
1387		1993
1388	(Coro::async {	1994	(async {
1389	$path = new cf::path $path;	1995	my $map = eval {
1390
1391	my $map = cf::map::find_map $path->as_string;	1996	my $map = cf::map::find $path;
		1997
		1998	if ($map) {
1392	$map = $map->customise_for ($self) if $map;	1999	$map = $map->customise_for ($self);
		2000	$map = $check->($map) if $check && $map;
		2001	} else {
		2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2003	}
1393		2004
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	2005	$map
		2006	};
		2007
		2008	if ($@) {
		2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2010	LOG llevError | logBacktrace, Carp::longmess $@;
		2011	}
1396		2012
1397	$self->leave_link ($map, $x, $y);	2013	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	2014	})->prio (1);
1399	}	2015	}
1400		2016
…		…
1404		2020
1405	sub parse_random_map_params {	2021	sub parse_random_map_params {
1406	my ($spec) = @_;	2022	my ($spec) = @_;
1407		2023
1408	my $rmp = { # defaults	2024	my $rmp = { # defaults
1409	xsize => 10,	2025	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	2026	ysize => (cf::rndm 15, 40),
		2027	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2028	#layout => string,
1411	};	2029	};
1412		2030
1413	for (split /\n/, $spec) {	2031	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	2032	my ($k, $v) = split /\s+/, $_, 2;
1415		2033
…		…
1419	$rmp	2037	$rmp
1420	}	2038	}
1421		2039
1422	sub prepare_random_map {	2040	sub prepare_random_map {
1423	my ($exit) = @_;	2041	my ($exit) = @_;
		2042
		2043	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		2044
1425	# all this does is basically replace the /! path by	2045	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	2046	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	2047	# that depends on the exit object
1428		2048
1429	my $rmp = parse_random_map_params $exit->msg;	2049	my $rmp = parse_random_map_params $exit->msg;
1430		2050
1431	if ($exit->map) {	2051	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	2052	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	2053	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	2054	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	2055	$rmp->{origin_y} = $exit->y;
1436	}	2056	}
1437		2057
1438	$rmp->{random_seed} ||= $exit->random_seed;	2058	$rmp->{random_seed} ||= $exit->random_seed;
1439		2059
1440	my $data = cf::to_json $rmp;	2060	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	2061	my $md5 = Digest::MD5::md5_hex $data;
		2062	my $meta = "$RANDOMDIR/$md5.meta";
1442		2063
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	2065	aio_write $fh, 0, (length $data), $data, 0;
		2066	undef $fh;
		2067	aio_rename "$meta~", $meta;
1445		2068
1446	$exit->slaying ("?random/$md5");	2069	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	2070	$exit->msg (undef);
1448	}	2071	}
1449	}	2072	}
…		…
1451	sub cf::object::player::enter_exit {	2074	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	2075	my ($self, $exit) = @_;
1453		2076
1454	return unless $self->type == cf::PLAYER;	2077	return unless $self->type == cf::PLAYER;
1455		2078
		2079	if ($exit->slaying eq "/!") {
		2080	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2081	# the problem is that $exit might not survive long enough
		2082	# so it needs to be done right now, right here
		2083	cf::sync_job { prepare_random_map $exit };
		2084	}
		2085
		2086	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2087	my $hp = $exit->stats->hp;
		2088	my $sp = $exit->stats->sp;
		2089
1456	$self->enter_link;	2090	$self->enter_link;
1457		2091
1458	(Coro::async {	2092	(async {
		2093	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	2094	unless (eval {
1460		2095	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		2096
1467	1;	2097	1;
1468	}) {	2098	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	2099	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	2100	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	2101	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	2102	cf::NDI_UNIQUE | cf::NDI_RED);
1473		2103
1474	warn "ERROR in enter_exit: $@";	2104	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2105	$self->leave_link;
1476	}	2106	}
1477	})->prio (1);	2107	})->prio (1);
…		…
1490		2120
1491	sub cf::client::send_drawinfo {	2121	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2122	my ($self, $text, $flags) = @_;
1493		2123
1494	utf8::encode $text;	2124	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2126	}
1497		2127
		2128	=item $client->ext_event ($type, %msg)
		2129
		2130	Sends an exti event to the client.
		2131
		2132	=cut
		2133
		2134	sub cf::client::ext_event($$%) {
		2135	my ($self, $type, %msg) = @_;
		2136
		2137	$msg{msgtype} = "event_$type";
		2138	$self->send_packet ("ext " . cf::to_json \%msg);
		2139	}
1498		2140
1499	=item $success = $client->query ($flags, "text", \&cb)	2141	=item $success = $client->query ($flags, "text", \&cb)
1500		2142
1501	Queues a query to the client, calling the given callback with	2143	Queues a query to the client, calling the given callback with
1502	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1527	on_reply => sub {	2169	on_reply => sub {
1528	my ($ns, $msg) = @_;	2170	my ($ns, $msg) = @_;
1529		2171
1530	# this weird shuffling is so that direct followup queries	2172	# this weird shuffling is so that direct followup queries
1531	# get handled first	2173	# get handled first
1532	my $queue = delete $ns->{query_queue};	2174	my $queue = delete $ns->{query_queue}
		2175	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2176
1534	(shift @$queue)->[1]->($msg);	2177	(shift @$queue)->[1]->($msg);
		2178	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2179
1536	push @{ $ns->{query_queue} }, @$queue;	2180	push @{ $ns->{query_queue} }, @$queue;
1537		2181
1538	if (@{ $ns->{query_queue} } == @$queue) {	2182	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2183	if (@$queue) {
…		…
1543	}	2187	}
1544	}	2188	}
1545	},	2189	},
1546	);	2190	);
1547		2191
1548	=item $client->coro (\&cb)	2192	=item $client->async (\&cb)
1549		2193
1550	Create a new coroutine, running the specified callback. The coroutine will	2194	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2195	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2196	or loss of connection).
1553		2197
1554	=cut	2198	=cut
1555		2199
1556	sub cf::client::coro {	2200	sub cf::client::async {
1557	my ($self, $cb) = @_;	2201	my ($self, $cb) = @_;
1558		2202
1559	my $coro; $coro = async {	2203	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2204
1566	$coro->on_destroy (sub {	2205	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2206	delete $self->{_coro}{$coro+0};
1568	});	2207	});
1569		2208
…		…
1602		2241
1603	# here we export the classes and methods available to script code	2242	# here we export the classes and methods available to script code
1604		2243
1605	=pod	2244	=pod
1606		2245
1607	The following fucntions and emthods are available within a safe environment:	2246	The following functions and methods are available within a safe environment:
1608		2247
1609	cf::object contr pay_amount pay_player map	2248	cf::object contr pay_amount pay_player map
1610	cf::object::player player	2249	cf::object::player player
1611	cf::player peaceful	2250	cf::player peaceful
1612	cf::map trigger	2251	cf::map trigger
…		…
1697	#############################################################################	2336	#############################################################################
1698		2337
1699	=head2 EXTENSION DATABASE SUPPORT	2338	=head2 EXTENSION DATABASE SUPPORT
1700		2339
1701	Crossfire maintains a very simple database for extension use. It can	2340	Crossfire maintains a very simple database for extension use. It can
1702	currently store anything that can be serialised using Storable, which	2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1703	excludes objects.	2342	convert to/from binary).
1704		2343
1705	The parameter C<$family> should best start with the name of the extension	2344	The parameter C<$family> should best start with the name of the extension
1706	using it, it should be unique.	2345	using it, it should be unique.
1707		2346
1708	=over 4	2347	=over 4
1709		2348
1710	=item $hashref = cf::db_get $family
1711
1712	Return a hashref for use by the extension C<$family>, which can be
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715
1716	=item $value = cf::db_get $family => $key	2349	=item $value = cf::db_get $family => $key
1717		2350
1718	Returns a single value from the database	2351	Returns a single value from the database.
1719
1720	=item cf::db_put $family => $hashref
1721
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724		2352
1725	=item cf::db_put $family => $key => $value	2353	=item cf::db_put $family => $key => $value
1726		2354
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you	2355	Stores the given C<$value> in the family.
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737		2356
1738	=cut	2357	=cut
1739		2358
1740	our $DB;	2359	our $DB;
1741		2360
1742	{	2361	sub db_init {
1743	my $path = cf::localdir . "/database.pst";	2362	unless ($DB) {
		2363	$DB = BDB::db_create $DB_ENV;
1744		2364
1745	sub db_load() {	2365	cf::sync_job {
1746	warn "loading database $path\n";#d# remove later	2366	eval {
1747	$DB = stat $path ? Storable::retrieve $path : { };	2367	$DB->set_flags (BDB::CHKSUM);
1748	}
1749		2368
1750	my $pid;	2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1751		2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1752	sub db_save() {	2371	cf::cleanup "db_open(db): $!" if $!;
1753	warn "saving database $path\n";#d# remove later	2372	};
1754	waitpid $pid, 0 if $pid;	2373	cf::cleanup "db_open(db): $@" if $@;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}	2374	};
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});	2375	}
		2376	}
1773		2377
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}
1778
1779	sub db_get($;$) {	2378	sub db_get($$) {
1780	@_ >= 2	2379	my $key = "$_[0]/$_[1]";
1781	? $DB->{$_[0]}{$_[1]}
1782	: ($DB->{$_[0]} ||= { })
1783	}
1784		2380
		2381	cf::sync_job {
		2382	BDB::db_get $DB, undef, $key, my $data;
		2383
		2384	$! ? ()
		2385	: $data
		2386	}
		2387	}
		2388
1785	sub db_put($$;$) {	2389	sub db_put($$$) {
1786	if (@_ >= 3) {	2390	BDB::dbreq_pri 4;
1787	$DB->{$_[0]}{$_[1]} = $_[2];	2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1788	} else {	2392	}
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793		2393
1794	cf::global->attach (	2394	=item cf::cache $id => [$paths...], $processversion => $process
1795	prio => 10000,	2395
1796	on_cleanup => sub {	2396	Generic caching function that returns the value of the resource $id,
1797	db_sync;	2397	caching and regenerating as required.
		2398
		2399	This function can block.
		2400
		2401	=cut
		2402
		2403	sub cache {
		2404	my ($id, $src, $processversion, $process) = @_;
		2405
		2406	my $meta =
		2407	join "\x00",
		2408	$processversion,
		2409	map {
		2410	aio_stat $_
		2411	and Carp::croak "$_: $!";
		2412
		2413	($_, (stat _)[7,9])
		2414	} @$src;
		2415
		2416	my $dbmeta = db_get cache => "$id/meta";
		2417	if ($dbmeta ne $meta) {
		2418	# changed, we may need to process
		2419
		2420	my @data;
		2421	my $md5;
		2422
		2423	for (0 .. $#$src) {
		2424	0 <= aio_load $src->[$_], $data[$_]
		2425	or Carp::croak "$src->[$_]: $!";
1798	},	2426	}
1799	);	2427
		2428	# if processing is expensive, check
		2429	# checksum first
		2430	if (1) {
		2431	$md5 =
		2432	join "\x00",
		2433	$processversion,
		2434	map {
		2435	Coro::cede;
		2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2437	} 0.. $#$src;
		2438
		2439
		2440	my $dbmd5 = db_get cache => "$id/md5";
		2441	if ($dbmd5 eq $md5) {
		2442	db_put cache => "$id/meta", $meta;
		2443
		2444	return db_get cache => "$id/data";
		2445	}
		2446	}
		2447
		2448	my $t1 = Time::HiRes::time;
		2449	my $data = $process->(\@data);
		2450	my $t2 = Time::HiRes::time;
		2451
		2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2453
		2454	db_put cache => "$id/data", $data;
		2455	db_put cache => "$id/md5" , $md5;
		2456	db_put cache => "$id/meta", $meta;
		2457
		2458	return $data;
		2459	}
		2460
		2461	db_get cache => "$id/data"
1800	}	2462	}
		2463
		2464	=item fork_call { }, $args
		2465
		2466	Executes the given code block with the given arguments in a seperate
		2467	process, returning the results. Everything must be serialisable with
		2468	Coro::Storable. May, of course, block. Note that the executed sub may
		2469	never block itself or use any form of Event handling.
		2470
		2471	=cut
		2472
		2473	sub fork_call(&@) {
		2474	my ($cb, @args) = @_;
		2475
		2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2477	# or die "socketpair: $!";
		2478	pipe my $fh1, my $fh2
		2479	or die "pipe: $!";
		2480
		2481	if (my $pid = fork) {
		2482	close $fh2;
		2483
		2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2485	$res = Coro::Storable::thaw $res;
		2486
		2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2488
		2489	die $$res unless "ARRAY" eq ref $res;
		2490
		2491	return wantarray ? @$res : $res->[-1];
		2492	} else {
		2493	reset_signals;
		2494	local $SIG{__WARN__};
		2495	local $SIG{__DIE__};
		2496	eval {
		2497	close $fh1;
		2498
		2499	my @res = eval { $cb->(@args) };
		2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2501	};
		2502
		2503	warn $@ if $@;
		2504	_exit 0;
		2505	}
		2506	}
		2507
		2508
1801		2509
1802	#############################################################################	2510	#############################################################################
1803	# the server's main()	2511	# the server's init and main functions
		2512
		2513	sub load_facedata($) {
		2514	my ($path) = @_;
		2515
		2516	warn "loading facedata from $path\n";
		2517
		2518	my $facedata;
		2519	0 < aio_load $path, $facedata
		2520	or die "$path: $!";
		2521
		2522	$facedata = Coro::Storable::thaw $facedata;
		2523
		2524	$facedata->{version} == 2
		2525	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2526
		2527	{
		2528	my $faces = $facedata->{faceinfo};
		2529
		2530	while (my ($face, $info) = each %$faces) {
		2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2535	Coro::cede;
		2536	}
		2537
		2538	while (my ($face, $info) = each %$faces) {
		2539	next unless $info->{smooth};
		2540	my $idx = cf::face::find $face
		2541	or next;
		2542	if (my $smooth = cf::face::find $info->{smooth}) {
		2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2544	} else {
		2545	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2546	}
		2547	Coro::cede;
		2548	}
		2549	}
		2550
		2551	{
		2552	my $anims = $facedata->{animinfo};
		2553
		2554	while (my ($anim, $info) = each %$anims) {
		2555	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2556	Coro::cede;
		2557	}
		2558
		2559	cf::anim::invalidate_all; # d'oh
		2560	}
		2561
		2562	1
		2563	}
		2564
		2565	sub reload_regions {
		2566	load_resource_file "$MAPDIR/regions"
		2567	or die "unable to load regions file\n";
		2568	}
		2569
		2570	sub reload_facedata {
		2571	load_facedata "$DATADIR/facedata"
		2572	or die "unable to load facedata\n";
		2573	}
		2574
		2575	sub reload_archetypes {
		2576	load_resource_file "$DATADIR/archetypes"
		2577	or die "unable to load archetypes\n";
		2578	}
		2579
		2580	sub reload_treasures {
		2581	load_resource_file "$DATADIR/treasures"
		2582	or die "unable to load treasurelists\n";
		2583	}
		2584
		2585	sub reload_resources {
		2586	warn "reloading resource files...\n";
		2587
		2588	reload_regions;
		2589	reload_facedata;
		2590	reload_archetypes;
		2591	reload_treasures;
		2592
		2593	warn "finished reloading resource files\n";
		2594	}
		2595
		2596	sub init {
		2597	reload_resources;
		2598	}
1804		2599
1805	sub cfg_load {	2600	sub cfg_load {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2601	open my $fh, "<:utf8", "$CONFDIR/config"
1807	or return;	2602	or return;
1808		2603
1809	local $/;	2604	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2605	*CFG = YAML::Syck::Load <$fh>;
		2606
		2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2608
		2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2611
		2612	if (exists $CFG{mlockall}) {
		2613	eval {
		2614	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2615	and die "WARNING: m(un)lockall failed: $!\n";
		2616	};
		2617	warn $@ if $@;
		2618	}
1811	}	2619	}
1812		2620
1813	sub main {	2621	sub main {
1814	# we must not ever block the main coroutine	2622	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2623	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	2625	(async {
1818	Event::one_event;	2626	Event::one_event;
1819	})->();	2627	})->prio (Coro::PRIO_MAX);
1820	};	2628	};
1821		2629
1822	cfg_load;	2630	cfg_load;
1823	db_load;	2631	db_init;
1824	load_extensions;	2632	load_extensions;
		2633
		2634	$TICK_WATCHER->start;
1825	Event::loop;	2635	Event::loop;
1826	}	2636	}
1827		2637
1828	#############################################################################	2638	#############################################################################
1829	# initialisation	2639	# initialisation and cleanup
1830		2640
1831	sub perl_reload() {	2641	# install some emergency cleanup handlers
		2642	BEGIN {
		2643	for my $signal (qw(INT HUP TERM)) {
		2644	Event->signal (
		2645	reentrant => 0,
		2646	data => WF_AUTOCANCEL,
		2647	signal => $signal,
		2648	prio => 0,
		2649	cb => sub {
		2650	cf::cleanup "SIG$signal";
		2651	},
		2652	);
		2653	}
		2654	}
		2655
		2656	sub emergency_save() {
		2657	my $freeze_guard = cf::freeze_mainloop;
		2658
		2659	warn "enter emergency perl save\n";
		2660
		2661	cf::sync_job {
		2662	# use a peculiar iteration method to avoid tripping on perl
		2663	# refcount bugs in for. also avoids problems with players
		2664	# and maps saved/destroyed asynchronously.
		2665	warn "begin emergency player save\n";
		2666	for my $login (keys %cf::PLAYER) {
		2667	my $pl = $cf::PLAYER{$login} or next;
		2668	$pl->valid or next;
		2669	$pl->save;
		2670	}
		2671	warn "end emergency player save\n";
		2672
		2673	warn "begin emergency map save\n";
		2674	for my $path (keys %cf::MAP) {
		2675	my $map = $cf::MAP{$path} or next;
		2676	$map->valid or next;
		2677	$map->save;
		2678	}
		2679	warn "end emergency map save\n";
		2680
		2681	warn "begin emergency database checkpoint\n";
		2682	BDB::db_env_txn_checkpoint $DB_ENV;
		2683	warn "end emergency database checkpoint\n";
		2684	};
		2685
		2686	warn "leave emergency perl save\n";
		2687	}
		2688
		2689	sub post_cleanup {
		2690	my ($make_core) = @_;
		2691
		2692	warn Carp::longmess "post_cleanup backtrace"
		2693	if $make_core;
		2694	}
		2695
		2696	sub do_reload_perl() {
1832	# can/must only be called in main	2697	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2698	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2699	warn "can only reload from main coroutine";
1835	return;	2700	return;
1836	}	2701	}
1837		2702
1838	warn "reloading...";	2703	warn "reloading...";
1839		2704
1840	local $FREEZE = 1;	2705	warn "entering sync_job";
		2706
		2707	cf::sync_job {
		2708	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	2709	cf::emergency_save;
		2710	cf::write_runtime; # external watchdog should not bark
1842		2711
1843	eval {	2712	warn "syncing database to disk";
		2713	BDB::db_env_txn_checkpoint $DB_ENV;
		2714
1844	# if anything goes wrong in here, we should simply crash as we already saved	2715	# if anything goes wrong in here, we should simply crash as we already saved
1845		2716
1846	# cancel all watchers	2717	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	2718	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	2719	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	2720	}
1850		2721
		2722	warn "flushing outstanding aio requests";
		2723	for (;;) {
		2724	BDB::flush;
		2725	IO::AIO::flush;
		2726	Coro::cede;
		2727	last unless IO::AIO::nreqs || BDB::nreqs;
		2728	warn "iterate...";
		2729	}
		2730
		2731	++$RELOAD;
		2732
1851	# cancel all extension coros	2733	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	2734	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	2735	%EXT_CORO = ();
1854		2736
1855	# unload all extensions	2737	warn "removing commands";
1856	for (@exts) {	2738	%COMMAND = ();
		2739
		2740	warn "removing ext commands";
		2741	%EXTCMD = ();
		2742
		2743	warn "unloading/nuking all extensions";
		2744	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	2745	warn "... unloading $pkg";
1858	unload_extension $_;	2746
		2747	if (my $cb = $pkg->can ("unload")) {
		2748	eval {
		2749	$cb->($pkg);
		2750	1
		2751	} or warn "$pkg unloaded, but with errors: $@";
1859	}	2752	}
1860		2753
		2754	warn "... nuking $pkg";
		2755	Symbol::delete_package $pkg;
		2756	}
		2757
1861	# unload all modules loaded from $LIBDIR	2758	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	2759	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2760	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		2761
1865	warn "removing <$k>";	2762	warn "... unloading $k";
1866	delete $INC{$k};	2763	delete $INC{$k};
1867		2764
1868	$k =~ s/\.pm$//;	2765	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	2766	$k =~ s/\//::/g;
1870		2767
…		…
1873	}	2770	}
1874		2771
1875	Symbol::delete_package $k;	2772	Symbol::delete_package $k;
1876	}	2773	}
1877		2774
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	2775	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	2776	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2777	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		2778
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	2779	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	2780	delete $INC{"cf.pm"};
		2781	delete $INC{"cf/pod.pm"};
1891		2782
1892	# don't, removes xs symbols, too,	2783	# don't, removes xs symbols, too,
1893	# and global variables created in xs	2784	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	2785	#Symbol::delete_package __PACKAGE__;
1895		2786
1896	# reload cf.pm	2787	warn "unload completed, starting to reload now";
		2788
1897	warn "reloading cf.pm";	2789	warn "reloading cf.pm";
1898	require cf;	2790	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		2792
1901	# load config and database again	2793	warn "loading config and database again";
1902	cf::cfg_load;	2794	cf::cfg_load;
1903	cf::db_load;
1904		2795
1905	# load extensions
1906	warn "load extensions";	2796	warn "loading extensions";
1907	cf::load_extensions;	2797	cf::load_extensions;
1908		2798
1909	# reattach attachments to objects	2799	warn "reattaching attachments to objects/players";
1910	warn "reattach";	2800	_global_reattach; # objects, sockets
1911	_global_reattach;	2801	warn "reattaching attachments to maps";
1912	};	2802	reattach $_ for values %MAP;
		2803	warn "reattaching attachments to players";
		2804	reattach $_ for values %PLAYER;
1913		2805
1914	if ($@) {	2806	warn "leaving sync_job";
		2807
		2808	1
		2809	} or do {
1915	warn $@;	2810	warn $@;
1916	warn "error while reloading, exiting.";	2811	warn "error while reloading, exiting.";
1917	exit 1;	2812	exit 1;
1918	}	2813	};
1919		2814
1920	warn "reloaded successfully";	2815	warn "reloaded";
1921	};	2816	};
1922		2817
1923	#############################################################################	2818	our $RELOAD_WATCHER; # used only during reload
1924		2819
1925	unless ($LINK_MAP) {	2820	sub reload_perl() {
1926	$LINK_MAP = cf::map::new;	2821	# doing reload synchronously and two reloads happen back-to-back,
		2822	# coro crashes during coro_state_free->destroy here.
1927		2823
1928	$LINK_MAP->width (41);	2824	$RELOAD_WATCHER ||= Event->timer (
1929	$LINK_MAP->height (41);	2825	reentrant => 0,
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,	2826	after => 0,
		2827	data => WF_AUTOCANCEL,
1938	cb => sub {	2828	cb => sub {
1939	$_[0]->w->cancel;	2829	do_reload_perl;
1940		2830	undef $RELOAD_WATCHER;
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});	2831	},
1959		2832	);
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2833	}
1965		2834
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	2835	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2836	my ($who, $arg) = @_;
1970		2837
1971	if ($who->flag (FLAG_WIZ)) {	2838	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	2839	$who->message ("reloading server.");
		2840	async { reload_perl };
1975	}	2841	}
1976	};	2842	};
1977		2843
1978	unshift @INC, $LIBDIR;	2844	unshift @INC, $LIBDIR;
1979		2845
		2846	my $bug_warning = 0;
		2847
		2848	our @WAIT_FOR_TICK;
		2849	our @WAIT_FOR_TICK_BEGIN;
		2850
		2851	sub wait_for_tick {
		2852	return unless $TICK_WATCHER->is_active;
		2853	return if $Coro::current == $Coro::main;
		2854
		2855	my $signal = new Coro::Signal;
		2856	push @WAIT_FOR_TICK, $signal;
		2857	$signal->wait;
		2858	}
		2859
		2860	sub wait_for_tick_begin {
		2861	return unless $TICK_WATCHER->is_active;
		2862	return if $Coro::current == $Coro::main;
		2863
		2864	my $signal = new Coro::Signal;
		2865	push @WAIT_FOR_TICK_BEGIN, $signal;
		2866	$signal->wait;
		2867	}
		2868
		2869	my $min = 1e6;#d#
		2870	my $avg = 10;
1980	$TICK_WATCHER = Event->timer (	2871	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	2872	reentrant => 0,
		2873	parked => 1,
1982	prio => 0,	2874	prio => 0,
1983	at => $NEXT_TICK || $TICK,	2875	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	2876	data => WF_AUTOCANCEL,
1985	cb => sub {	2877	cb => sub {
1986	unless ($FREEZE) {	2878	if ($Coro::current != $Coro::main) {
		2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2880	unless ++$bug_warning > 10;
		2881	return;
		2882	}
		2883
		2884	$NOW = $tick_start = Event::time;
		2885
1987	cf::server_tick; # one server iteration	2886	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2887
		2888	0 && sync_job {#d#
		2889	for(1..10) {
		2890	my $t = Event::time;
		2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2892	or die;
		2893
		2894	$map->width (50);
		2895	$map->height (50);
		2896	$map->alloc;
		2897	$map->_load_objects ("/tmp/x.map", 1);
		2898	my $t = Event::time - $t;
		2899
		2900	#next unless $t < 0.0013;#d#
		2901	if ($t < $min) {
		2902	$min = $t;
		2903	}
		2904	$avg = $avg * 0.99 + $t * 0.01;
		2905	}
		2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2907	exit 0;
		2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1989	}	2909	};
1990		2910
		2911	$RUNTIME += $TICK;
1991	$NEXT_TICK += $TICK;	2912	$NEXT_TICK += $TICK;
1992		2913
		2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2916	Coro::async_pool {
		2917	write_runtime
		2918	or warn "ERROR: unable to write runtime file: $!";
		2919	};
		2920	}
		2921
		2922	# my $AFTER = Event::time;
		2923	# warn $AFTER - $NOW;#d#
		2924
		2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2926	$sig->send;
		2927	}
		2928	while (my $sig = shift @WAIT_FOR_TICK) {
		2929	$sig->send;
		2930	}
		2931
		2932	$NOW = Event::time;
		2933
1993	# if we are delayed by four ticks or more, skip them all	2934	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1995		2936
1996	$TICK_WATCHER->at ($NEXT_TICK);	2937	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	2938	$TICK_WATCHER->start;
		2939
		2940	$LOAD = ($NOW - $tick_start) / $TICK;
		2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2942
		2943	_post_tick;
		2944
		2945
1998	},	2946	},
1999	);	2947	);
2000		2948
		2949	{
2001	IO::AIO::max_poll_time $TICK * 0.2;	2950	BDB::max_poll_time $TICK * 0.1;
2002		2951	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	2952	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	2953	fd => BDB::poll_fileno,
2005	poll => 'r',	2954	poll => 'r',
2006	prio => 5,	2955	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	2956	data => WF_AUTOCANCEL,
2013	after => 0,	2957	cb => \&BDB::poll_cb,
2014	interval => 10,	2958	);
2015	cb => sub {	2959	BDB::min_parallel 8;
2016	(Coro::unblock_sub {	2960
2017	write_runtime	2961	BDB::set_sync_prepare {
2018	or warn "ERROR: unable to write runtime file: $!";	2962	my $status;
		2963	my $current = $Coro::current;
		2964	(
		2965	sub {
		2966	$status = $!;
		2967	$current->ready; undef $current;
		2968	},
		2969	sub {
		2970	Coro::schedule while defined $current;
		2971	$! = $status;
		2972	},
		2973	)
		2974	};
		2975
		2976	unless ($DB_ENV) {
		2977	$DB_ENV = BDB::db_env_create;
		2978
		2979	cf::sync_job {
		2980	eval {
		2981	BDB::db_env_open
		2982	$DB_ENV,
		2983	$BDBDIR,
		2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2986	0666;
		2987
		2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2989
		2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2991	$DB_ENV->set_lk_detect;
		2992	};
		2993
		2994	cf::cleanup "db_env_open(db): $@" if $@;
2019	})->();	2995	};
2020	},	2996	}
2021	);	2997	}
		2998
		2999	{
		3000	IO::AIO::min_parallel 8;
		3001
		3002	undef $Coro::AIO::WATCHER;
		3003	IO::AIO::max_poll_time $TICK * 0.1;
		3004	$AIO_POLL_WATCHER = Event->io (
		3005	reentrant => 0,
		3006	data => WF_AUTOCANCEL,
		3007	fd => IO::AIO::poll_fileno,
		3008	poll => 'r',
		3009	prio => 6,
		3010	cb => \&IO::AIO::poll_cb,
		3011	);
		3012	}
		3013
		3014	my $_log_backtrace;
		3015
		3016	sub _log_backtrace {
		3017	my ($msg, @addr) = @_;
		3018
		3019	$msg =~ s/\n//;
		3020
		3021	# limit the # of concurrent backtraces
		3022	if ($_log_backtrace < 2) {
		3023	++$_log_backtrace;
		3024	async {
		3025	my @bt = fork_call {
		3026	@addr = map { sprintf "%x", $_ } @addr;
		3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3029	or die "addr2line: $!";
		3030
		3031	my @funcs;
		3032	my @res = <$fh>;
		3033	chomp for @res;
		3034	while (@res) {
		3035	my ($func, $line) = splice @res, 0, 2, ();
		3036	push @funcs, "[$func] $line";
		3037	}
		3038
		3039	@funcs
		3040	};
		3041
		3042	LOG llevInfo, "[ABT] $msg\n";
		3043	LOG llevInfo, "[ABT] $_\n" for @bt;
		3044	--$_log_backtrace;
		3045	};
		3046	} else {
		3047	LOG llevInfo, "[ABT] $msg\n";
		3048	LOG llevInfo, "[ABT] [suppressed]\n";
		3049	}
		3050	}
		3051
		3052	# load additional modules
		3053	use cf::pod;
		3054
		3055	END { cf::emergency_save }
2022		3056
2023	1	3057	1
2024		3058

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines