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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.357 by root, Tue Sep 4 08:42:58 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	133	every server tick.
99		134
100	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		204
148	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
229		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
233		290
…		…
253	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
255	}	312	}
256	}	313	}
257		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
258	sub freeze_mainloop {	321	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
260		323
261	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
262	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
263	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
264	}	385	}
265		386
266	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
267		388
268	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		394
274	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
275		396
276	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
277		398
278	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
281		403
282	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
285	fast or be very important.	407	fast or be very important.
…		…
288		410
289	sub sync_job(&) {	411	sub sync_job(&) {
290	my ($job) = @_;	412	my ($job) = @_;
291		413
292	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
293	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
295		419
296	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
308		432
309	while ($busy) {	433	while ($busy) {
310	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
311	}	435	}
312		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
313	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
314	} else {	445	} else {
315	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
316		447
317	$job->()	448	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
337		468
338	$coro	469	$coro
339	}	470	}
340		471
341	sub write_runtime {	472	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		473
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
345	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		480
351	aio_fsync $fh	481	sub fork_call(&@) {
352	and return;	482	my ($cb, @args) = @_;
353		483
354	close $fh	484	# we seemingly have to make a local copy of the whole thing,
355	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
356		487
357	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
358	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
360	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	621	}
362		622
363	=back	623	=back
364		624
365	=cut	625	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		626
543	#############################################################################	627	#############################################################################
544		628
545	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
546		630
…		…
548	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
550		634
551	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	637	Crossfire TRT).
554		638
555	=over 4	639	=over 4
556		640
557	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
558		642
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	757	our @CB_MAP = ();
674		758
675	my %attachment;	759	my %attachment;
676		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
677	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
679		769
680	use sort 'stable';	770	use sort 'stable';
681		771
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
716		806
717	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		811
722	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	813	my $pkg = shift @arg;
724		814
725	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
755	}	845	}
756		846
757	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
758	} else {	848	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	850	}
761		851
762	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
763	}	853	}
764		854
…		…
766	if (ref $_[0]) {	856	if (ref $_[0]) {
767	_object_attach @_;	857	_object_attach @_;
768	} else {	858	} else {
769	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
770	}	860	}
		861	_recalc_want;
771	};	862	};
772		863
773	# all those should be optimised	864	# all those should be optimised
774	sub cf::attachable::detach {	865	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
779	reattach ($obj);	870	reattach ($obj);
780	} else {	871	} else {
781	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
782	}	873	}
		874	_recalc_want;
783	};	875	};
784		876
785	sub cf::attachable::attached {	877	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
787		879
…		…
802	";	894	";
803	die if $@;	895	die if $@;
804	}	896	}
805		897
806	our $override;	898	our $override;
807	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
808		900
809	sub override {	901	sub override {
810	$override = 1;	902	$override = 1;
811	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
812	}	904	}
813		905
814	sub do_invoke {	906	sub do_invoke {
815	my $event = shift;	907	my $event = shift;
816	my $callbacks = shift;	908	my $callbacks = shift;
817		909
818	@invoke_results = ();	910	@INVOKE_RESULTS = ();
819		911
820	local $override;	912	local $override;
821		913
822	for (@$callbacks) {	914	for (@$callbacks) {
823	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
840		932
841	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
842		934
843	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
844	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
845	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		938
847	=back	939	=back
848		940
849	=cut	941	=cut
850		942
851	#############################################################################	943	#############################################################################
852	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
853		956
854	sub reattach {	957	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		962
858	my $registry = $obj->registry;	963	my $registry = $obj->registry;
859		964
860	@$registry = ();	965	@$registry = ();
861		966
…		…
900	);	1005	);
901		1006
902	sub object_freezer_save {	1007	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
904		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
905	sync_job {	1012	sync_job {
906	if (length $$rdata) {	1013	if (length $$rdata) {
907	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
909		1016
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	1021	close $fh;
915		1022
916	if (@$objs) {	1023	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	1029	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
924	}	1031	}
925	} else {	1032	} else {
926	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
932	}	1039	}
933	} else {	1040	} else {
934	aio_unlink $filename;	1041	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
936	}	1043	}
937	}	1044	};
		1045
		1046	undef $guard;
938	}	1047	}
939		1048
940	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
942		1051
…		…
947		1056
948	sub object_thawer_load {	1057	sub object_thawer_load {
949	my ($filename) = @_;	1058	my ($filename) = @_;
950		1059
951	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
952		1063
953	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
954	or return;	1065	or return;
955		1066
956	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
958	or return;	1069	or return;
		1070
		1071	undef $guard;
959	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1073	}
961		1074
962	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
964	return ($data, $av);	1078	($data, $av)
965	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
966		1086
967	#############################################################################	1087	#############################################################################
968	# command handling &c	1088	# command handling &c
969		1089
970	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1104	}
985		1105
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1107
988	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
989		1113
990	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
991	called.	1115	called.
992		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
993	=cut	1128	=cut
994		1129
995	sub register_extcmd {	1130	sub register_extcmd {
996	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
997		1132
998	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
999	}	1140	}
1000		1141
1001	cf::player->attach (	1142	cf::player->attach (
1002	on_command => sub {	1143	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1153	cf::override;
1013	},	1154	},
1014	on_extcmd => sub {	1155	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
1016		1157
1017	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1159
1019	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
1025	} else {	1175	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1177	}
1028		1178
1029	cf::override;	1179	cf::override;
1030	},	1180	},
1031	);	1181	);
1032		1182
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
1061	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1188	next unless -r $path;
1063	eval {	1189
1064	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
1065	1	1247	}
1066	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
1067	}	1253	};
1068	}	1254	}
1069		1255
1070	#############################################################################	1256	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1257
1073	*cf::mapsupport::on_clean = sub {	1258	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1259
1086	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
1087		1261
1088	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
1089		1263
…		…
1102	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
1103		1277
1104	=cut	1278	=cut
1105		1279
1106	sub playerdir($) {	1280	sub playerdir($) {
1107	cf::localdir	1281	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1283	}
1113		1284
1114	sub path($) {	1285	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1287
1117	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
1118	}	1289	}
1119		1290
1120	sub find_active($) {	1291	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
1125		1296
1126	sub exists($) {	1297	sub exists($) {
1127	my ($login) = @_;	1298	my ($login) = @_;
1128		1299
1129	$cf::PLAYER{$login}	1300	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1301	or cf::sync_job { !aio_stat path $login }
1131	}	1302	}
1132		1303
1133	sub find($) {	1304	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1305	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1306	my $login = $_[0];
1136		1307
1137	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
1138		1309
1139	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
1140	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
1141	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
1142	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
1143	}	1327	}
1144	}	1328	}
1145	}	1329	}
1146		1330
…		…
1156		1340
1157	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1159		1343
1160	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1161	Coro::cede;	1345	cf::cede_to_tick;
1162	}	1346	}
1163		1347
1164	sub new($) {	1348	sub new($) {
1165	my ($login) = @_;	1349	my ($login) = @_;
1166		1350
…		…
1172	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1173		1357
1174	$self	1358	$self
1175	}	1359	}
1176		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1177	=item $pl->quit_character	1371	=item $pl->quit_character
1178		1372
1179	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1180	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1181		1375
1182	=cut	1376	=cut
1183		1377
1184	sub quit_character {	1378	sub quit_character {
1185	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1186		1382
1187	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1385
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1200	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1201	}	1417	}
1202		1418
1203	=item cf::player::list_logins	1419	=item cf::player::list_logins
1204		1420
1205	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1207		1423
1208	=cut	1424	=cut
1209		1425
1210	sub list_logins {	1426	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1428	or return [];
1213		1429
1214	my @logins;	1430	my @logins;
1215		1431
1216	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1220		1441
1221	utf8::decode $login;	1442	utf8::decode $login;
1222	push @logins, $login;	1443	push @logins, $login;
1223	}	1444	}
1224		1445
1225	\@logins	1446	\@logins
1226	}	1447	}
1227		1448
1228	=item $player->maps	1449	=item $player->maps
1229		1450
1230	Returns an arrayref of cf::path's of all maps that are private for this	1451	Returns an arrayref of map paths that are private for this
1231	player. May block.	1452	player. May block.
1232		1453
1233	=cut	1454	=cut
1234		1455
1235	sub maps($) {	1456	sub maps($) {
1236	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1460
1238	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1239	or return;	1462	or return;
1240		1463
1241	my @paths;	1464	my @paths;
…		…
1243	for (@$files) {	1466	for (@$files) {
1244	utf8::decode $_;	1467	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1247		1470
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1471	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1472	}
1250		1473
1251	\@paths	1474	\@paths
1252	}	1475	}
1253		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1255		1529
1256	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1257		1531
1258	=cut	1532	=cut
1259		1533
1260	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1262		1536
1263	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1538	}
1267		1539
1268	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1269		1580
1270	=back	1581	=back
1271
1272		1582
1273	=head3 cf::map	1583	=head3 cf::map
1274		1584
1275	=over 4	1585	=over 4
1276		1586
…		…
1279	package cf::map;	1589	package cf::map;
1280		1590
1281	use Fcntl;	1591	use Fcntl;
1282	use Coro::AIO;	1592	use Coro::AIO;
1283		1593
		1594	use overload
		1595	'""' => \&as_string,
		1596	fallback => 1;
		1597
1284	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1286		1600
1287	sub generate_random_map {	1601	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1604	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1608	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1609	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1616	)
1305	}	1617	}
1306		1618
		1619	=item cf::map->register ($regex, $prio)
		1620
		1621	Register a handler for the map path matching the given regex at the
		1622	givne priority (higher is better, built-in handlers have priority 0, the
		1623	default).
		1624
		1625	=cut
		1626
		1627	sub register {
		1628	my (undef, $regex, $prio) = @_;
		1629	my $pkg = caller;
		1630
		1631	no strict;
		1632	push @{"$pkg\::ISA"}, __PACKAGE__;
		1633
		1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1635	}
		1636
		1637	# also paths starting with '/'
		1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1639
		1640	sub thawer_merge {
		1641	my ($self, $merge) = @_;
		1642
		1643	# we have to keep some variables in memory intact
		1644	local $self->{path};
		1645	local $self->{load_path};
		1646
		1647	$self->SUPER::thawer_merge ($merge);
		1648	}
		1649
		1650	sub normalise {
		1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
		1656
		1657	# map plan:
		1658	#
		1659	# /! non-realised random map exit (special hack!)
		1660	# {... are special paths that are not being touched
		1661	# ?xxx/... are special absolute paths
		1662	# ?random/... random maps
		1663	# /... normal maps
		1664	# ~user/... per-player map of a specific user
		1665
		1666	$path =~ s/$PATH_SEP/\//go;
		1667
		1668	# treat it as relative path if it starts with
		1669	# something that looks reasonable
		1670	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1671	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1672
		1673	$base =~ s{[^/]+/?$}{};
		1674	$path = "$base/$path";
		1675	}
		1676
		1677	for ($path) {
		1678	redo if s{//}{/};
		1679	redo if s{/\.?/}{/};
		1680	redo if s{/[^/]+/\.\./}{/};
		1681	}
		1682
		1683	$path
		1684	}
		1685
		1686	sub new_from_path {
		1687	my (undef, $path, $base) = @_;
		1688
		1689	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1690
		1691	$path = normalise $path, $base;
		1692
		1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1695	my $self = bless cf::map::new, $pkg;
		1696	$self->{path} = $path; $self->path ($path);
		1697	$self->init; # pass $1 etc.
		1698	return $self;
		1699	}
		1700	}
		1701
		1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1703	()
		1704	}
		1705
		1706	sub init {
		1707	my ($self) = @_;
		1708
		1709	$self
		1710	}
		1711
		1712	sub as_string {
		1713	my ($self) = @_;
		1714
		1715	"$self->{path}"
		1716	}
		1717
		1718	# the displayed name, this is a one way mapping
		1719	sub visible_name {
		1720	&as_string
		1721	}
		1722
		1723	# the original (read-only) location
		1724	sub load_path {
		1725	my ($self) = @_;
		1726
		1727	"$MAPDIR/$self->{path}.map"
		1728	}
		1729
		1730	# the temporary/swap location
		1731	sub save_path {
		1732	my ($self) = @_;
		1733
		1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1735	"$TMPDIR/$path.map"
		1736	}
		1737
		1738	# the unique path, undef == no special unique path
		1739	sub uniq_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$UNIQUEDIR/$path"
		1744	}
		1745
1307	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1308	# all maps in C++...	1747	# all maps in C++...
1309	sub change_all_map_light {	1748	sub change_all_map_light {
1310	my ($change) = @_;	1749	my ($change) = @_;
1311		1750
1312	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1314	}	1753	}
1315		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
		1763	sub unlink_save {
		1764	my ($self) = @_;
		1765
		1766	utf8::encode (my $save = $self->save_path);
		1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1769	}
		1770
1316	sub load_map_header($) {	1771	sub load_header_from($) {
1317	my ($path) = @_;	1772	my ($self, $path) = @_;
1318		1773
1319	utf8::encode $path;	1774	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1321	or return;	1776	or return;
1322		1777
1323	my $map = cf::map::new	1778	$self->_load_header ($f)
1324	or return;	1779	or return;
1325		1780
1326	# for better error messages only, will be overwritten later	1781	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1782	$f->resolve_delayed_derefs;
1328		1783
1329	$map->load_header ($path)	1784	$self->{load_path} = $path;
		1785
		1786	1
		1787	}
		1788
		1789	sub load_header_orig {
		1790	my ($self) = @_;
		1791
		1792	$self->load_header_from ($self->load_path)
		1793	}
		1794
		1795	sub load_header_temp {
		1796	my ($self) = @_;
		1797
		1798	$self->load_header_from ($self->save_path)
		1799	}
		1800
		1801	sub prepare_temp {
		1802	my ($self) = @_;
		1803
		1804	$self->last_access ((delete $self->{last_access})
		1805	|| $cf::RUNTIME); #d#
		1806	# safety
		1807	$self->{instantiate_time} = $cf::RUNTIME
		1808	if $self->{instantiate_time} > $cf::RUNTIME;
		1809	}
		1810
		1811	sub prepare_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->{load_original} = 1;
		1815	$self->{instantiate_time} = $cf::RUNTIME;
		1816	$self->last_access ($cf::RUNTIME);
		1817	$self->instantiate;
		1818	}
		1819
		1820	sub load_header {
		1821	my ($self) = @_;
		1822
		1823	if ($self->load_header_temp) {
		1824	$self->prepare_temp;
		1825	} else {
		1826	$self->load_header_orig
1330	or return;	1827	or return;
		1828	$self->prepare_orig;
		1829	}
1331		1830
1332	$map->{load_path} = $path;	1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
1333		1833
1334	$map	1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
		1837	1
1335	}	1838	}
1336		1839
1337	sub find;	1840	sub find;
1338	sub find {	1841	sub find {
1339	my ($path, $origin) = @_;	1842	my ($path, $origin) = @_;
1340		1843
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1844	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1845
1346	cf::lock_wait "map_find:$key";	1846	cf::lock_wait "map_find:$path";
1347		1847
1348	$cf::MAP{$key} || do {	1848	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1849	my $guard = cf::lock_acquire "map_find:$path";
1350		1850	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1851	or return;
1365		1852
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1378		1854
1379	Coro::cede;	1855	$map->load_header
		1856	or return;
1380		1857
1381	if ($map->should_reset) {	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1859	# doing this can freeze the server in a sync job, obviously
		1860	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1861	$map->reset;
1383	undef $guard;	1862	undef $guard;
1384	$map = find $path	1863	return find $path;
1385	or return;
1386	}	1864	}
1387		1865
1388	$cf::MAP{$key} = $map	1866	$cf::MAP{$path} = $map
1389	}	1867	}
1390	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1391		1872
1392	sub load {	1873	sub load {
1393	my ($self) = @_;	1874	my ($self) = @_;
1394		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1395	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1881	my $guard = cf::lock_acquire "map_data:$path";
1397		1882
		1883	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1885
1400	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1401		1887
1402	$self->alloc;	1888	$self->alloc;
1403	$self->load_objects ($self->{load_path}, 1)	1889
		1890	$self->pre_load;
		1891	cf::cede_to_tick;
		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1404	or return;	1896	or return;
1405		1897
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1899	if delete $self->{load_original};
1408		1900
1409	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1902	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	1905	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1414	}	1909	}
1415	}	1910	}
1416		1911
1417	Coro::cede;	1912	$f->resolve_delayed_derefs;
1418		1913
		1914	cf::cede_to_tick;
1419	# now do the right thing for maps	1915	# now do the right thing for maps
1420	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1918	unless $self->difficulty;
		1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1432	$self->activate;	1928	$self->activate;
1433	}	1929	}
1434		1930
1435	Coro::cede;	1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
1436		1933
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		1937	$self->post_load;
		1938	}
		1939
		1940	sub customise_for {
		1941	my ($self, $ob) = @_;
		1942
		1943	return find "~" . $ob->name . "/" . $self->{path}
		1944	if $self->per_player;
		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
		1949	$self
1438	}	1950	}
1439		1951
1440	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1953	sub load_neighbours {
1442	my ($map) = @_;	1954	my ($map) = @_;
1443		1955
1444	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1445		1957
1446	for (0 .. 3) {	1958	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1448	or next;	1960	or next;
1449	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1450	or next;	1962	or next;
1451	$neigh->load;	1963	$neigh->load;
1452		1964
		1965	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1968	}
1456		1969
1457	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1459	or next;	1973	or next;
1460	$neigh->load;	1974	$neigh->load;
1461	}	1975	}
1462	}	1976	}
1463		1977
…		…
1468	}	1982	}
1469		1983
1470	sub do_load_sync {	1984	sub do_load_sync {
1471	my ($map) = @_;	1985	my ($map) = @_;
1472		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1473	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1474	}	1991	}
1475		1992
1476	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
		1994	our $MAP_PREFETCHER = undef;
		1995
		1996	sub find_async {
		1997	my ($path, $origin, $load) = @_;
		1998
		1999	$path = normalise $path, $origin && $origin->{path};
		2000
		2001	if (my $map = $cf::MAP{$path}) {
		2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2003	}
		2004
		2005	$MAP_PREFETCH{$path} |= $load;
		2006
1477	our $MAP_PREFETCHER = Coro::async {	2007	$MAP_PREFETCHER ||= cf::async {
1478	while () {
1479	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2010	if (my $map = find $k) {
		2011	$map->load if $v;
		2012	}
		2013
1482	my $path = delete $MAP_PREFETCH{$key};	2014	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2015	}
1488	Coro::schedule;	2016	}
		2017	undef $MAP_PREFETCHER;
1489	}	2018	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2019	$MAP_PREFETCHER->prio (6);
1504		2020
1505	()	2021	()
1506	}	2022	}
1507		2023
1508	sub save {	2024	sub save {
1509	my ($self) = @_;	2025	my ($self) = @_;
1510		2026
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2028
1513	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1514		2030
1515	return unless $self->dirty;	2031	return unless $self->dirty;
1516		2032
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2033	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2034	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2035
1520	$self->{load_path} = $save;	2036	$self->{load_path} = $save;
1521		2037
1522	return if $self->{deny_save};	2038	return if $self->{deny_save};
1523		2039
…		…
1526	cf::async {	2042	cf::async {
1527	$_->contr->save for $self->players;	2043	$_->contr->save for $self->players;
1528	};	2044	};
1529		2045
1530	if ($uniq) {	2046	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2049	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2050	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2051	}
1536	}	2052	}
1537		2053
1538	sub swap_out {	2054	sub swap_out {
1539	my ($self) = @_;	2055	my ($self) = @_;
1540		2056
1541	# save first because save cedes	2057	# save first because save cedes
1542	$self->save;	2058	$self->save;
1543		2059
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2061
1546	return if $self->players;	2062	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};	2064	return if $self->{deny_save};
1549		2065
…		…
1553		2069
1554	sub reset_at {	2070	sub reset_at {
1555	my ($self) = @_;	2071	my ($self) = @_;
1556		2072
1557	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1560		2075
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2078
…		…
1568	my ($self) = @_;	2083	my ($self) = @_;
1569		2084
1570	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1571	}	2086	}
1572		2087
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2088	sub reset {
1587	my ($self) = @_;	2089	my ($self) = @_;
1588		2090
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2092
1591	return if $self->players;	2093	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2094
1594	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1595		2106
1596	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1597		2108
		2109	$self->clear;
		2110
1598	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1599		2112
1600	$self->{path}->unlink_save;	2113	$self->unlink_save;
1601	$self->destroy;	2114	$self->destroy;
1602	}	2115	}
1603		2116
1604	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1605		2118
1606	sub nuke {	2119	sub nuke {
1607	my ($self) = @_;	2120	my ($self) = @_;
1608		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
		2125	delete $cf::MAP{$self->path};
		2126
		2127	$self->unlink_save;
		2128
		2129	bless $self, "cf::map";
		2130	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1612	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
1613	}	2139	}
1614		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
		2175	}
		2176
1615	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1616		2178
1617	Returns an arrayref of cf::path's of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2180	instantiated unique items. May block.
1619		2181
1620	=cut	2182	=cut
1621		2183
1622	sub unique_maps() {	2184	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1624	or return;	2186	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2187	utf8::decode $_;
1630	next if /\.pst$/;	2188	/\.map$/
1631	next unless /^$PATH_SEP/o;	2189	? normalise $_
1632		2190	: ()
1633	push @paths, new cf::path $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2192	]
1635
1636	\@paths
1637	}	2193	}
1638		2194
1639	package cf;	2195	package cf;
1640		2196
1641	=back	2197	=back
…		…
1659	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1660	}	2216	}
1661		2217
1662	sub inv_recursive {	2218	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1664	}	2251	}
1665		2252
1666	package cf;	2253	package cf;
1667		2254
1668	=back	2255	=back
…		…
1687		2274
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2276
1690	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1692	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1695	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1696	}	2302	}
1697		2303
1698	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1699		2305
1700	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1713		2319
1714	=item $player_object->enter_link	2320	=item $player_object->enter_link
1715		2321
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2322	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2323
1718	The player should be reaosnably safe there for short amounts of time. You	2324	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2325	I<MUST> call C<leave_link> as soon as possible, though.
1720		2326
		2327	Will never block.
		2328
1721	=item $player_object->leave_link ($map, $x, $y)	2329	=item $player_object->leave_link ($map, $x, $y)
1722		2330
1723	Moves the player out of the specila link map onto the given map. If the	2331	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2332	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2333	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2334	fails, to the emergency map position.
1727		2335
1728	Might block.	2336	Might block.
1729		2337
1730	=cut	2338	=cut
		2339
		2340	sub link_map {
		2341	unless ($LINK_MAP) {
		2342	$LINK_MAP = cf::map::find "{link}"
		2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2344	$LINK_MAP->load;
		2345	}
		2346
		2347	$LINK_MAP
		2348	}
1731		2349
1732	sub cf::object::player::enter_link {	2350	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2351	my ($self) = @_;
1734		2352
1735	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1736		2354
1737	return if $self->map == $LINK_MAP;	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2356
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1741		2359
1742	$self->enter_map ($LINK_MAP, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2361	}
1744		2362
1745	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1747		2367
1748	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1749		2369
1750	unless ($map) {	2370	unless ($map) {
1751	# restore original map position	2371	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1768		2388
1769	$map->load;	2389	$map->load;
1770	$map->load_diag;	2390	$map->load_neighbours;
1771		2391
1772	return unless $self->contr->active;	2392	return unless $self->contr->active;
1773	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1775	}	2397	}
1776		2398
1777	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2400
1781	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1785	};	2405	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2406
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1812		2410
1813	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2413
1816	$path = new cf::path $path;	2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2416
1818	$self->enter_link;	2417	$self->enter_link;
1819		2418
1820	(async {	2419	(async {
		2420	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2421	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2422
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2423	if ($map) {
1826		2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1828		2429
		2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
		2436	}
		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1830	})->prio (1);	2444	})->prio (1);
1831	}	2445	}
1832		2446
1833	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1834		2448
…		…
1836		2450
1837	sub parse_random_map_params {	2451	sub parse_random_map_params {
1838	my ($spec) = @_;	2452	my ($spec) = @_;
1839		2453
1840	my $rmp = { # defaults	2454	my $rmp = { # defaults
1841	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1843	};	2459	};
1844		2460
1845	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1847		2463
…		…
1851	$rmp	2467	$rmp
1852	}	2468	}
1853		2469
1854	sub prepare_random_map {	2470	sub prepare_random_map {
1855	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2474
1857	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2477	# that depends on the exit object
1860		2478
1861	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1862		2480
1863	if ($exit->map) {	2481	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1868	}	2486	}
1869		2487
1870	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1871		2489
1872	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1874		2493
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
		2496	undef $fh;
		2497	aio_rename "$meta~", $meta;
1877		2498
1878	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2500	$exit->msg (undef);
1880	}	2501	}
1881	}	2502	}
…		…
1883	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1885		2506
1886	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1887		2508
		2509	if ($exit->slaying eq "/!") {
		2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
		2513	cf::sync_job { prepare_random_map $exit };
		2514	}
		2515
		2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2517	my $hp = $exit->stats->hp;
		2518	my $sp = $exit->stats->sp;
		2519
1888	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1889		2525
1890	(async {	2526	(async {
1891	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2528	unless (eval {
1893	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2530
1899	1;	2531	1;
1900	}) {	2532	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2537
1906	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2539	$self->leave_link;
1908	}	2540	}
1909	})->prio (1);	2541	})->prio (1);
…		…
1922		2554
1923	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1925		2557
1926	utf8::encode $text;	2558	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2560	}
1929		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1930		2677
1931	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1932		2679
1933	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2683
1937	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2685	become reliable at some point in the future.
1939		2686
1940	=cut	2687	=cut
1941		2688
1942	sub cf::client::query {	2689	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2698	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2700
1954	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1956	}	2705	}
1957		2706
1958	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1959	on_reply => sub {	2713	on_reply => sub {
1960	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1961		2715
1962	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1963	# get handled first	2717	# get handled first
1964	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2720
1967	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2723
1969	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1970		2725
1971	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2727	if (@$queue) {
…		…
1974	} else {	2729	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2731	}
1977	}	2732	}
1978	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
1979	);	2760	);
1980		2761
1981	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1982		2763
1983	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2026		2807
2027	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2028		2809
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2030		2815
2031	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2032		2817
2033	=pod	2818	=pod
2034		2819
2035	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2036		2821
2037	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2038	cf::object::player player	2826	cf::object::player
2039	cf::player peaceful	2827	player
2040	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2041		2834
2042	=cut	2835	=cut
2043		2836
2044	for (	2837	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2046	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2049	) {	2844	) {
2050	no strict 'refs';	2845	no strict 'refs';
…		…
2121	=back	2916	=back
2122		2917
2123	=cut	2918	=cut
2124		2919
2125	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2126		2922
2127	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2128		2925
2129	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2131	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		2929
2133	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		2931
2136	=over 4	2932	warn "loading facedata from $path\n";
2137		2933
2138	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2139		2937
2140	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		2939
2144	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		2942
2146	Returns a single value from the database	2943	# patch in the exptable
2147		2944	$facedata->{resource}{"res/exp_table"} = {
2148	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2149		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2947	};
		2948	cf::cede_to_tick;
2199		2949
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2204		2952
2205	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
2208	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
2209	}	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		2959
2211	sub db_put($$;$) {	2960	cf::cede_to_tick;
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2961	}
2225	);
2226	}
2227		2962
2228	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
2230		2973
2231	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3101	or return;
2234		3102
2235	local $/;	3103	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2237		3105
…		…
2251		3119
2252	sub main {	3120	sub main {
2253	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3124	(async {
2256	async { Event::one_event };	3125	Event::one_event;
		3126	})->prio (Coro::PRIO_MAX);
2257	};	3127	};
2258		3128
2259	cfg_load;	3129	reload_config;
2260	db_load;	3130	db_init;
2261	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2262	Event::loop;	3134	Event::loop;
2263	}	3135	}
2264		3136
2265	#############################################################################	3137	#############################################################################
2266	# initialisation and cleanup	3138	# initialisation and cleanup
2267		3139
2268	# install some emergency cleanup handlers	3140	# install some emergency cleanup handlers
2269	BEGIN {	3141	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	3142	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3143	Event->signal (
		3144	reentrant => 0,
2272	data => WF_AUTOCANCEL,	3145	data => WF_AUTOCANCEL,
2273	signal => $signal,	3146	signal => $signal,
		3147	prio => 0,
2274	cb => sub {	3148	cb => sub {
2275	cf::cleanup "SIG$signal";	3149	cf::cleanup "SIG$signal";
2276	},	3150	},
2277	);	3151	);
2278	}	3152	}
2279	}	3153	}
2280		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2281	sub emergency_save() {	3193	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2283		3195
2284	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2285		3197
2286	cf::sync_job {	3198	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	3199	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3200	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3201	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3202	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	3203	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3204	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3205	$pl->valid or next;
2294	$pl->save;	3206	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3213	$map->valid or next;
2302	$map->save;	3214	$map->save;
2303	}	3215	}
2304	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2305	};	3221	};
2306		3222
2307	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2308	}	3224	}
2309		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2310	sub reload() {	3233	sub do_reload_perl() {
2311	# can/must only be called in main	3234	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2314	return;	3237	return;
2315	}	3238	}
2316		3239
2317	warn "reloading...";	3240	warn "reloading...";
2318		3241
2319	warn "freezing server";	3242	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2322		3248
2323	warn "sync database to disk";	3249	warn "syncing database to disk";
2324	cf::db_sync;	3250	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3251
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2329		3253
2330	warn "cancel all watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	3257	}
2334		3258
		3259	warn "flushing outstanding aio requests";
		3260	for (;;) {
		3261	BDB::flush;
		3262	IO::AIO::flush;
		3263	Coro::cede;
		3264	last unless IO::AIO::nreqs || BDB::nreqs;
		3265	warn "iterate...";
		3266	}
		3267
		3268	++$RELOAD;
		3269
2335	warn "cancel all extension coros";	3270	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3272	%EXT_CORO = ();
2338		3273
2339	warn "remove commands";	3274	warn "removing commands";
2340	%COMMAND = ();	3275	%COMMAND = ();
2341		3276
2342	warn "remove ext commands";	3277	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2344		3280
2345	warn "unload/nuke all extensions";	3281	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2348		3284
2349	if (my $cb = $pkg->can ("unload")) {	3285	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3286	eval {
…		…
2355		3291
2356	warn "... nuking $pkg";	3292	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3293	Symbol::delete_package $pkg;
2358	}	3294	}
2359		3295
2360	warn "unload all perl modules loaded from $LIBDIR";	3296	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3299
2364	warn "removing <$k>";	3300	warn "... unloading $k";
2365	delete $INC{$k};	3301	delete $INC{$k};
2366		3302
2367	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2369		3305
…		…
2372	}	3308	}
2373		3309
2374	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2375	}	3311	}
2376		3312
2377	warn "get rid of safe::, as good as possible";	3313	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3316
2381	warn "unload cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2383		3320
2384	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3322	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2387		3324
		3325	warn "unload completed, starting to reload now";
		3326
2388	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2389	require cf;	3328	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3330
2392	warn "load config and database again";	3331	warn "loading config and database again";
2393	cf::cfg_load;	3332	cf::reload_config;
2394	cf::db_load;
2395		3333
2396	warn "load extensions";	3334	warn "loading extensions";
2397	cf::load_extensions;	3335	cf::load_extensions;
2398		3336
2399	warn "reattach attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3338	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3339	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2403	};	3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2404		3343
2405	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2406	warn $@;	3348	warn $@;
2407	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2408	exit 1;	3350	exit 1;
2409	}	3351	};
2410		3352
2411	warn "reloaded";	3353	warn "reloaded";
2412	};	3354	};
2413		3355
2414	#############################################################################	3356	our $RELOAD_WATCHER; # used only during reload
2415		3357
2416	unless ($LINK_MAP) {	3358	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
2418		3361
2419	$LINK_MAP->width (41);	3362	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3363	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3364	after => 0,
		3365	data => WF_AUTOCANCEL,
2429	cb => sub {	3366	cb => sub {
2430	$_[0]->w->cancel;	3367	do_reload_perl;
2431		3368	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3369	},
2450		3370	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3371	}
2456		3372
2457	register_command "reload" => sub {	3373	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2459		3375
2460	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2464	}	3379	}
2465	};	3380	};
2466		3381
2467	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2468		3383
		3384	my $bug_warning = 0;
		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2471	prio => 0,	3412	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2474	cb => sub {	3415	cb => sub {
		3416	if ($Coro::current != $Coro::main) {
		3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3418	unless ++$bug_warning > 10;
		3419	return;
		3420	}
		3421
2475	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2476		3423
2477	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2478	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2480		3451
2481	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3454	Coro::async_pool {
		3455	write_runtime
		3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
		3458	}
		3459
		3460	# my $AFTER = Event::time;
		3461	# warn $AFTER - $NOW;#d#
		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
2483		3471
2484	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3474
2487	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2489	},	3484	},
2490	);	3485	);
2491		3486
		3487	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2493		3489	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3490	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2496	poll => 'r',	3492	poll => 'r',
2497	prio => 5,	3493	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2504	after => 0,	3495	cb => \&BDB::poll_cb,
2505	interval => 10,	3496	);
2506	cb => sub {	3497	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3498
2508	write_runtime	3499	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3533	};
2511	},	3534	}
2512	);	3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
		3541	IO::AIO::max_poll_time $TICK * 0.1;
		3542	$AIO_POLL_WATCHER = Event->io (
		3543	reentrant => 0,
		3544	data => WF_AUTOCANCEL,
		3545	fd => IO::AIO::poll_fileno,
		3546	poll => 'r',
		3547	prio => 6,
		3548	cb => \&IO::AIO::poll_cb,
		3549	);
		3550	}
		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2513		3592
2514	END { cf::emergency_save }	3593	END { cf::emergency_save }
2515		3594
2516	1	3595	1
2517		3596

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