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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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 ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		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
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	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;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %MAP; # all maps	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	94	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	95
		96	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	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
90	every server tick.	133	every server tick.
91		134
92	=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
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	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.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		204
133	# 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
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
183		265
184	=item cf::lock_wait $string	266	=item cf::lock_wait $string
185		267
186	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
187		269
…		…
190	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
191	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,
192	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
193	returned.	275	returned.
194		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
195	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
196	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.
197		286
198	=cut	287	=cut
199		288
200	our %LOCK;	289	our %LOCK;
201		290
…		…
221	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
223	}	312	}
224	}	313	}
225		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
226	sub freeze_mainloop {	321	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
228		323
229	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
230	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
231	$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;
232	}	385	}
233		386
234	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
235		388
236	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
241		394
242	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
243		396
244	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
245		398
246	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)
247	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
248	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.
249		403
250	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
251	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
252	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
253	fast or be very important.	407	fast or be very important.
…		…
256		410
257	sub sync_job(&) {	411	sub sync_job(&) {
258	my ($job) = @_;	412	my ($job) = @_;
259		413
260	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
261	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
263		419
264	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
273	warn $@ if $@;	429	warn $@ if $@;
274	undef $busy;	430	undef $busy;
275	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
276		432
277	while ($busy) {	433	while ($busy) {
278	unless (Coro::cede) {	434	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}	435	}
282	}	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
283		443
284	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
285	} else {	445	} else {
286	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
287		447
…		…
289	}	449	}
290	}	450	}
291		451
292	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
293		453
294	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	455	extension calling this is being unloaded.
296		456
297	=cut	457	=cut
298		458
299	sub async_ext(&) {	459	sub async_ext(&) {
…		…
307	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
308		468
309	$coro	469	$coro
310	}	470	}
311		471
312	sub write_runtime {	472	=item fork_call { }, $args
313	my $runtime = cf::localdir . "/runtime";
314		473
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
316	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.
317		478
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;
321		480
322	aio_fsync $fh	481	sub fork_call(&@) {
323	and return;	482	my ($cb, @args) = @_;
324		483
325	close $fh	484	# we seemingly have to make a local copy of the whole thing,
326	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
327		487
328	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
329	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
330		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	};
331	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 });
332	}	621	}
333		622
334	=back	623	=back
335		624
336	=cut	625	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		626
458	#############################################################################	627	#############################################################################
459		628
460	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
461		630
…		…
463	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")
464	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
465		634
466	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>
467	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
468	crossfire+).	637	Crossfire TRT).
469		638
470	=over 4	639	=over 4
471		640
472	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
473		642
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	757	our @CB_MAP = ();
589		758
590	my %attachment;	759	my %attachment;
591		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
592	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
594		769
595	use sort 'stable';	770	use sort 'stable';
596		771
…		…
630	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
631		806
632	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
633	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
634	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
635	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
636		811
637	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
638	my $pkg = shift @arg;	813	my $pkg = shift @arg;
639		814
640	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
669	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
670	}	845	}
671		846
672	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
673	} else {	848	} else {
674	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
675	}	850	}
676		851
677	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
678	}	853	}
679		854
…		…
681	if (ref $_[0]) {	856	if (ref $_[0]) {
682	_object_attach @_;	857	_object_attach @_;
683	} else {	858	} else {
684	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
685	}	860	}
		861	_recalc_want;
686	};	862	};
687		863
688	# all those should be optimised	864	# all those should be optimised
689	sub cf::attachable::detach {	865	sub cf::attachable::detach {
690	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
693	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
694	reattach ($obj);	870	reattach ($obj);
695	} else {	871	} else {
696	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
697	}	873	}
		874	_recalc_want;
698	};	875	};
699		876
700	sub cf::attachable::attached {	877	sub cf::attachable::attached {
701	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
702		879
…		…
717	";	894	";
718	die if $@;	895	die if $@;
719	}	896	}
720		897
721	our $override;	898	our $override;
722	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?
723		900
724	sub override {	901	sub override {
725	$override = 1;	902	$override = 1;
726	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
727	}	904	}
728		905
729	sub do_invoke {	906	sub do_invoke {
730	my $event = shift;	907	my $event = shift;
731	my $callbacks = shift;	908	my $callbacks = shift;
732		909
733	@invoke_results = ();	910	@INVOKE_RESULTS = ();
734		911
735	local $override;	912	local $override;
736		913
737	for (@$callbacks) {	914	for (@$callbacks) {
738	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
755		932
756	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
757		934
758	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
759	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
760	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
761		938
762	=back	939	=back
763		940
764	=cut	941	=cut
765		942
766	#############################################################################	943	#############################################################################
767	# 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	}
768		956
769	sub reattach {	957	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		962
773	my $registry = $obj->registry;	963	my $registry = $obj->registry;
774		964
775	@$registry = ();	965	@$registry = ();
776		966
…		…
815	);	1005	);
816		1006
817	sub object_freezer_save {	1007	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
819		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
820	sync_job {	1012	sync_job {
821	if (length $$rdata) {	1013	if (length $$rdata) {
822	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
824		1016
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1021	close $fh;
830		1022
831	if (@$objs) {	1023	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1029	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
839	}	1031	}
840	} else {	1032	} else {
841	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
847	}	1039	}
848	} else {	1040	} else {
849	aio_unlink $filename;	1041	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
851	}	1043	}
852	}	1044	};
		1045
		1046	undef $guard;
853	}	1047	}
854		1048
855	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
857		1051
…		…
862		1056
863	sub object_thawer_load {	1057	sub object_thawer_load {
864	my ($filename) = @_;	1058	my ($filename) = @_;
865		1059
866	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
867		1063
868	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
869	or return;	1065	or return;
870		1066
871	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
873	or return;	1069	or return;
		1070
		1071	undef $guard;
874	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1073	}
876		1074
877	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
879	return ($data, $av);	1078	($data, $av)
880	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
881		1086
882	#############################################################################	1087	#############################################################################
883	# command handling &c	1088	# command handling &c
884		1089
885	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1104	}
900		1105
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1107
903	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.
904		1113
905	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
906	called.	1115	called.
907		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
908	=cut	1128	=cut
909		1129
910	sub register_extcmd {	1130	sub register_extcmd {
911	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
912		1132
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
917	}	1140	}
918		1141
919	cf::player->attach (	1142	cf::player->attach (
920	on_command => sub {	1143	on_command => sub {
921	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
930	cf::override;	1153	cf::override;
931	},	1154	},
932	on_extcmd => sub {	1155	on_extcmd => sub {
933	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
934		1157
935	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
936		1159
937	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
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
940	$pl->ext_reply ($msg->{msgid}, %reply);
941	}
942	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
943	} else {	1175	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
945	}	1177	}
946		1178
947	cf::override;	1179	cf::override;
948	},	1180	},
949	);	1181	);
950		1182
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
		1187	for my $path (<$LIBDIR/*.ext>) {
		1188	next unless -r $path;
		1189
		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;
		1247	}
		1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
		1253	};
		1254	}
		1255
		1256	#############################################################################
		1257
		1258	=back
		1259
		1260	=head2 CORE EXTENSIONS
		1261
		1262	Functions and methods that extend core crossfire objects.
		1263
		1264	=cut
		1265
		1266	package cf::player;
		1267
		1268	use Coro::AIO;
		1269
		1270	=head3 cf::player
		1271
		1272	=over 4
		1273
		1274	=item cf::player::find $login
		1275
		1276	Returns the given player object, loading it if necessary (might block).
		1277
		1278	=cut
		1279
		1280	sub playerdir($) {
		1281	"$PLAYERDIR/"
		1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1283	}
		1284
		1285	sub path($) {
		1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1287
		1288	(playerdir $login) . "/playerdata"
		1289	}
		1290
		1291	sub find_active($) {
		1292	$cf::PLAYER{$_[0]}
		1293	and $cf::PLAYER{$_[0]}->active
		1294	and $cf::PLAYER{$_[0]}
		1295	}
		1296
		1297	sub exists($) {
		1298	my ($login) = @_;
		1299
		1300	$cf::PLAYER{$login}
		1301	or cf::sync_job { !aio_stat path $login }
		1302	}
		1303
		1304	sub find($) {
		1305	return $cf::PLAYER{$_[0]} || do {
		1306	my $login = $_[0];
		1307
		1308	my $guard = cf::lock_acquire "user_find:$login";
		1309
		1310	$cf::PLAYER{$_[0]} || do {
		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
		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;
		1326	$cf::PLAYER{$login} = $pl
		1327	}
		1328	}
		1329	}
		1330
		1331	sub save($) {
		1332	my ($pl) = @_;
		1333
		1334	return if $pl->{deny_save};
		1335
		1336	my $path = path $pl;
		1337	my $guard = cf::lock_acquire "user_save:$path";
		1338
		1339	return if $pl->{deny_save};
		1340
		1341	aio_mkdir playerdir $pl, 0770;
		1342	$pl->{last_save} = $cf::RUNTIME;
		1343
		1344	$pl->save_pl ($path);
		1345	cf::cede_to_tick;
		1346	}
		1347
		1348	sub new($) {
		1349	my ($login) = @_;
		1350
		1351	my $self = create;
		1352
		1353	$self->ob->name ($login);
		1354	$self->{deny_save} = 1;
		1355
		1356	$cf::PLAYER{$login} = $self;
		1357
		1358	$self
		1359	}
		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
		1371	=item $pl->quit_character
		1372
		1373	Nukes the player without looking back. If logged in, the connection will
		1374	be destroyed. May block for a long time.
		1375
		1376	=cut
		1377
		1378	sub quit_character {
		1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
		1382
		1383	$pl->{deny_save} = 1;
		1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1385
		1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1387	$pl->deactivate;
		1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1389	$pl->ns->destroy if $pl->ns;
		1390
		1391	my $path = playerdir $pl;
		1392	my $temp = "$path~$cf::RUNTIME~deleting~";
		1393	aio_rename $path, $temp;
		1394	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1417	}
		1418
		1419	=item cf::player::list_logins
		1420
		1421	Returns am arrayref of all valid playernames in the system, can take a
		1422	while and may block, so not sync_job-capable, ever.
		1423
		1424	=cut
		1425
		1426	sub list_logins {
		1427	my $dirs = aio_readdir $PLAYERDIR
		1428	or return [];
		1429
		1430	my @logins;
		1431
		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") {
		1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1438	aio_read $fh, 0, 512, my $buf, 0 or next;
		1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
		1441
		1442	utf8::decode $login;
		1443	push @logins, $login;
		1444	}
		1445
		1446	\@logins
		1447	}
		1448
		1449	=item $player->maps
		1450
		1451	Returns an arrayref of map paths that are private for this
		1452	player. May block.
		1453
		1454	=cut
		1455
		1456	sub maps($) {
		1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
		1460
		1461	my $files = aio_readdir playerdir $pl
		1462	or return;
		1463
		1464	my @paths;
		1465
		1466	for (@$files) {
		1467	utf8::decode $_;
		1468	next if /\.(?:pl|pst)$/;
		1469	next unless /^$PATH_SEP/o;
		1470
		1471	push @paths, cf::map::normalise "~$pl/$_";
		1472	}
		1473
		1474	\@paths
		1475	}
		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
		1528	=item $player->ext_reply ($msgid, @msg)
		1529
		1530	Sends an ext reply to the player.
		1531
		1532	=cut
		1533
		1534	sub ext_reply($$@) {
		1535	my ($self, $id, @msg) = @_;
		1536
		1537	$self->ns->ext_reply ($id, @msg)
		1538	}
		1539
		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($) {
958	my ($path) = @_;	1567	my ($path) = @_;
959		1568
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1569	my ($match, $specificity);
961	my $base = $1;
962	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";
965		1570
966	warn "loading '$path' into '$pkg'\n";	1571	for my $region (list) {
967		1572	if ($region->{match} && $path =~ $region->{match}) {
968	open my $fh, "<:utf8", $path	1573	($match, $specificity) = ($region, $region->specificity)
969	or die "$path: $!";	1574	if $region->specificity > $specificity;
970		1575	}
971	my $source =
972	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })
975	. "\n};\n1";
976
977	eval $source
978	or die $@ ? "$path: $@\n"
979	: "extension disabled.\n";
980
981	push @exts, $pkg;
982	$ext_pkg{$base} = $pkg;
983
984	# no strict 'refs';
985	# @{"$pkg\::ISA"} = ext::;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	1576	}
1000		1577
1001	# remove commands	1578	$match
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}
1026
1027	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;
1030	eval {
1031	load_extension $ext;
1032	1
1033	} or warn "$ext not loaded: $@";
1034	}
1035	}
1036
1037	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074
1075	=head2 CORE EXTENSIONS
1076
1077	Functions and methods that extend core crossfire objects.
1078
1079	=head3 cf::player
1080
1081	=over 4
1082
1083	=item cf::player::exists $login
1084
1085	Returns true when the given account exists.
1086
1087	=cut
1088
1089	sub cf::player::exists($) {
1090	cf::player::find $_[0]
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1092	}
1093
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095
1096	Sends an ext reply to the player.
1097
1098	=cut
1099
1100	sub cf::player::ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;
1102
1103	$msg{msgid} = $id;
1104
1105	$self->send ("ext " . to_json \%msg);
1106	}	1579	}
1107		1580
1108	=back	1581	=back
1109
1110		1582
1111	=head3 cf::map	1583	=head3 cf::map
1112		1584
1113	=over 4	1585	=over 4
1114		1586
…		…
1117	package cf::map;	1589	package cf::map;
1118		1590
1119	use Fcntl;	1591	use Fcntl;
1120	use Coro::AIO;	1592	use Coro::AIO;
1121		1593
		1594	use overload
		1595	'""' => \&as_string,
		1596	fallback => 1;
		1597
1122	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1124		1600
1125	sub generate_random_map {	1601	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1604	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1608	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1609	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1610	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1611	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1612	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1613	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
		1616	)
		1617	}
		1618
		1619	=item cf::map->register ($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"
1142	}	1744	}
1143		1745
1144	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1145	# all maps in C++...	1747	# all maps in C++...
1146	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1148		1750
1149	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1151	}	1753	}
1152		1754
		1755	sub decay_objects {
		1756	my ($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
1153	sub try_load_header($) {	1771	sub load_header_from($) {
1154	my ($path) = @_;	1772	my ($self, $path) = @_;
1155		1773
1156	utf8::encode $path;	1774	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1158	or return;	1776	or return;
1159		1777
1160	my $map = cf::map::new	1778	$self->_load_header ($f)
1161	or return;	1779	or return;
1162		1780
1163	# for better error messages only, will be overwritten	1781	local $MAP_LOADING{$self->{path}} = $self;
1164	$map->path ($path);	1782	$f->resolve_delayed_derefs;
1165		1783
1166	$map->load_header ($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
1167	or return;	1827	or return;
		1828	$self->prepare_orig;
		1829	}
1168		1830
1169	$map->{load_path} = $path;	1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
1170		1833
1171	$map	1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
		1837	1
1172	}	1838	}
1173		1839
1174	sub find;	1840	sub find;
1175	sub find {	1841	sub find {
1176	my ($path, $origin) = @_;	1842	my ($path, $origin) = @_;
1177		1843
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1844	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1845
1183	cf::lock_wait "map_find:$key";	1846	cf::lock_wait "map_find:$path";
1184		1847
1185	$cf::MAP{$key} || do {	1848	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1849	my $guard = cf::lock_acquire "map_find:$path";
1187		1850	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1851	or return;
1207		1852
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1220		1854
1221	Coro::cede;	1855	$map->load_header
		1856	or return;
1222		1857
1223	if ($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;
1224	$map->reset;	1861	$map->reset;
1225	undef $guard;	1862	undef $guard;
1226	$map = find $path	1863	return find $path;
1227	or return;
1228	}	1864	}
1229		1865
1230	$cf::MAP{$key} = $map	1866	$cf::MAP{$path} = $map
1231	}	1867	}
1232	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1233		1872
1234	sub load {	1873	sub load {
1235	my ($self) = @_;	1874	my ($self) = @_;
1236		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1237	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1239		1883
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1885
1242	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1243		1887
1244	$self->alloc;	1888	$self->alloc;
1245	$self->load_objects ($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)
1246	or return;	1896	or return;
1247		1897
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1899	if delete $self->{load_original};
1250		1900
1251	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1902	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1254	$self->clear_unique_items;	1905	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1256	}	1909	}
1257	}	1910	}
1258		1911
1259	Coro::cede;	1912	$f->resolve_delayed_derefs;
1260		1913
		1914	cf::cede_to_tick;
1261	# now do the right thing for maps	1915	# now do the right thing for maps
1262	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1263
1264	if ($self->{path}->is_style_map) {
1265	$self->{deny_save} = 1;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;
1271	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1273	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;
1274	$self->activate;	1928	$self->activate;
1275	}	1929	}
1276		1930
1277	Coro::cede;	1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
1278		1933
1279	$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	$self
		1950	}
		1951
		1952	# find and load all maps in the 3x3 area around a map
		1953	sub load_neighbours {
		1954	my ($map) = @_;
		1955
		1956	my @neigh; # diagonal neighbours
		1957
		1958	for (0 .. 3) {
		1959	my $neigh = $map->tile_path ($_)
		1960	or next;
		1961	$neigh = find $neigh, $map
		1962	or next;
		1963	$neigh->load;
		1964
		1965	push @neigh,
		1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1968	}
		1969
		1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
		1972	my $neigh = find $path, $origin
		1973	or next;
		1974	$neigh->load;
		1975	}
1280	}	1976	}
1281		1977
1282	sub find_sync {	1978	sub find_sync {
1283	my ($path, $origin) = @_;	1979	my ($path, $origin) = @_;
1284		1980
1285	cf::sync_job { cf::map::find $path, $origin }	1981	cf::sync_job { find $path, $origin }
1286	}	1982	}
1287		1983
1288	sub do_load_sync {	1984	sub do_load_sync {
1289	my ($map) = @_;	1985	my ($map) = @_;
1290		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1291	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
		1991	}
		1992
		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
		2007	$MAP_PREFETCHER ||= cf::async {
		2008	while (%MAP_PREFETCH) {
		2009	while (my ($k, $v) = each %MAP_PREFETCH) {
		2010	if (my $map = find $k) {
		2011	$map->load if $v;
		2012	}
		2013
		2014	delete $MAP_PREFETCH{$k};
		2015	}
		2016	}
		2017	undef $MAP_PREFETCHER;
		2018	};
		2019	$MAP_PREFETCHER->prio (6);
		2020
		2021	()
1292	}	2022	}
1293		2023
1294	sub save {	2024	sub save {
1295	my ($self) = @_;	2025	my ($self) = @_;
1296		2026
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1298		2028
1299	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1300		2030
1301	return unless $self->dirty;	2031	return unless $self->dirty;
1302		2032
1303	my $save = $self->{path}->save_path; utf8::encode $save;	2033	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2034	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		2035
1306	$self->{load_path} = $save;	2036	$self->{load_path} = $save;
1307		2037
1308	return if $self->{deny_save};	2038	return if $self->{deny_save};
1309		2039
1310	local $self->{last_access} = $self->last_access;#d#	2040	local $self->{last_access} = $self->last_access;#d#
1311		2041
		2042	cf::async {
		2043	$_->contr->save for $self->players;
		2044	};
		2045
1312	if ($uniq) {	2046	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	2049	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2050	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	2051	}
1318	}	2052	}
1319		2053
1320	sub swap_out {	2054	sub swap_out {
1321	my ($self) = @_;	2055	my ($self) = @_;
1322		2056
1323	# save first because save cedes	2057	# save first because save cedes
1324	$self->save;	2058	$self->save;
1325		2059
1326	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327		2061
1328	return if $self->players;	2062	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	2064	return if $self->{deny_save};
1331		2065
…		…
1335		2069
1336	sub reset_at {	2070	sub reset_at {
1337	my ($self) = @_;	2071	my ($self) = @_;
1338		2072
1339	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1342		2075
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2078
…		…
1350	my ($self) = @_;	2083	my ($self) = @_;
1351		2084
1352	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1353	}	2086	}
1354		2087
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2088	sub reset {
1377	my ($self) = @_;	2089	my ($self) = @_;
1378		2090
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		2092
1381	return if $self->players;	2093	return if $self->players;
1382	return if $self->{path}{user_rel};#d#
1383		2094
1384	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	}
1385		2106
1386	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
		2108
		2109	$self->clear;
1387		2110
1388	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1389		2112
1390	$self->unlink_save;	2113	$self->unlink_save;
1391	$self->destroy;	2114	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1395		2118
1396	sub nuke {	2119	sub nuke {
1397	my ($self) = @_;	2120	my ($self) = @_;
1398		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};
1399	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1402	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
1403	}	2139	}
1404		2140
1405	sub customise_for {	2141	=item $maps = cf::map::tmp_maps
1406	my ($map, $ob) = @_;
1407		2142
1408	if ($map->per_player) {	2143	Returns an arrayref with all map paths of currently instantiated and saved
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
1410	}	2149	[
1411		2150	map {
1412	$map	2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
1413	}	2157	}
1414		2158
1415	sub emergency_save {	2159	=item $maps = cf::map::random_maps
1416	my $freeze_guard = cf::freeze_mainloop;
1417		2160
1418	warn "enter emergency map save\n";	2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
1419		2163
1420	cf::sync_job {	2164	=cut
1421	warn "begin emergency map save\n";
1422	$_->save for values %cf::MAP;
1423	};
1424		2165
1425	warn "end emergency map save\n";	2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
		2175	}
		2176
		2177	=item cf::map::unique_maps
		2178
		2179	Returns an arrayref of paths of all shared maps that have
		2180	instantiated unique items. May block.
		2181
		2182	=cut
		2183
		2184	sub unique_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
		2192	]
1426	}	2193	}
1427		2194
1428	package cf;	2195	package cf;
1429		2196
1430	=back	2197	=back
1431		2198
		2199	=head3 cf::object
		2200
		2201	=cut
		2202
		2203	package cf::object;
		2204
		2205	=over 4
		2206
		2207	=item $ob->inv_recursive
		2208
		2209	Returns the inventory of the object _and_ their inventories, recursively.
		2210
		2211	=cut
		2212
		2213	sub inv_recursive_;
		2214	sub inv_recursive_ {
		2215	map { $_, inv_recursive_ $_->inv } @_
		2216	}
		2217
		2218	sub inv_recursive {
		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	}
		2251	}
		2252
		2253	package cf;
		2254
		2255	=back
1432		2256
1433	=head3 cf::object::player	2257	=head3 cf::object::player
1434		2258
1435	=over 4	2259	=over 4
1436		2260
…		…
1450		2274
1451	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1452		2276
1453	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1454	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1455	} 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 {
1456	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1457	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1458	}	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 (@_);
1459	}	2302	}
1460		2303
1461	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1462		2305
1463	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1476		2319
1477	=item $player_object->enter_link	2320	=item $player_object->enter_link
1478		2321
1479	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}>).
1480		2323
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	2325	I<MUST> call C<leave_link> as soon as possible, though.
1483		2326
		2327	Will never block.
		2328
1484	=item $player_object->leave_link ($map, $x, $y)	2329	=item $player_object->leave_link ($map, $x, $y)
1485		2330
1486	Moves the player out of the specila link map onto the given map. If the	2331	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	2332	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	2333	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	2334	fails, to the emergency map position.
1490		2335
1491	Might block.	2336	Might block.
1492		2337
1493	=cut	2338	=cut
		2339
		2340	sub link_map {
		2341	unless ($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	$LINK_MAP
		2348	}
1494		2349
1495	sub cf::object::player::enter_link {	2350	sub cf::object::player::enter_link {
1496	my ($self) = @_;	2351	my ($self) = @_;
1497		2352
1498	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1499		2354
1500	return if $self->map == $LINK_MAP;	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		2356
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1504		2359
1505	$self->enter_map ($LINK_MAP, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	2361	}
1507		2362
1508	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1510		2367
1511	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1512		2369
1513	unless ($map) {	2370	unless ($map) {
1514	# restore original map position	2371	# restore original map position
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1531		2388
1532	$map->load;	2389	$map->load;
		2390	$map->load_neighbours;
1533		2391
		2392	return unless $self->contr->active;
1534	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1536	}	2397	}
1537		2398
1538	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1539	on_logout => sub {
1540	my ($pl) = @_;
1541		2400
1542	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1543	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1544	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1545	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1546	};	2405	be called at the end of this process.
1547	}
1548	},
1549	on_login => sub {
1550	my ($pl) = @_;
1551		2406
1552	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;
1557	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);
1564	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;
1566	})->prio (2);
1567	}
1568	},
1569	);
1570
1571	=item $player_object->goto ($path, $x, $y)
1572
1573	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1574		2410
1575	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1576	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1577		2416
1578	$self->enter_link;	2417	$self->enter_link;
1579		2418
1580	(async {	2419	(async {
1581	$path = new cf::path $path;	2420	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1584	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1585		2425	$map = $check->($map) if $check && $map;
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1590		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};
1591	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1592	})->prio (1);	2444	})->prio (1);
1593	}	2445	}
1594		2446
1595	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1596		2448
…		…
1598		2450
1599	sub parse_random_map_params {	2451	sub parse_random_map_params {
1600	my ($spec) = @_;	2452	my ($spec) = @_;
1601		2453
1602	my $rmp = { # defaults	2454	my $rmp = { # defaults
1603	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1605	};	2459	};
1606		2460
1607	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1609		2463
…		…
1613	$rmp	2467	$rmp
1614	}	2468	}
1615		2469
1616	sub prepare_random_map {	2470	sub prepare_random_map {
1617	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		2474
1619	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	2477	# that depends on the exit object
1622		2478
1623	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1624		2480
1625	if ($exit->map) {	2481	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1630	}	2486	}
1631		2487
1632	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1633		2489
1634	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1636		2493
1637	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) {
1638	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;
1639		2498
1640	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	2500	$exit->msg (undef);
1642	}	2501	}
1643	}	2502	}
…		…
1645	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1647		2506
1648	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1649		2508
		2509	if ($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
1650	$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);
1651		2525
1652	(async {	2526	(async {
1653	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	2528	unless (eval {
1655	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		2530
1661	1;	2531	1;
1662	}) {	2532	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "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. "
1665	. "Please report this to the dungeon master",	2535	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2537
1668	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2539	$self->leave_link;
1670	}	2540	}
1671	})->prio (1);	2541	})->prio (1);
…		…
1684		2554
1685	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1687		2557
1688	utf8::encode $text;	2558	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2560	}
1691		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	}
1692		2677
1693	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1694		2679
1695	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1696	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>,
1697	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>.
1698		2683
1699	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
1700	reliable at some point in the future.	2685	become reliable at some point in the future.
1701		2686
1702	=cut	2687	=cut
1703		2688
1704	sub cf::client::query {	2689	sub cf::client::query {
1705	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1713	utf8::encode $text;	2698	utf8::encode $text;
1714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1715		2700
1716	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1717	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1718	}	2705	}
1719		2706
1720	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1721	on_reply => sub {	2713	on_reply => sub {
1722	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1723		2715
1724	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1725	# get handled first	2717	# get handled first
1726	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2720
1729	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2723
1731	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1732		2725
1733	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2727	if (@$queue) {
…		…
1736	} else {	2729	} else {
1737	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1738	}	2731	}
1739	}	2732	}
1740	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($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	},
1741	);	2760	);
1742		2761
1743	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1744		2763
1745	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
1786	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1787	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1788		2807
1789	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1790		2809
1791	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
1792		2815
1793	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
1794		2817
1795	=pod	2818	=pod
1796		2819
1797	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
1798		2821
1799	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
1800	cf::object::player player	2826	cf::object::player
1801	cf::player peaceful	2827	player
1802	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
1803		2834
1804	=cut	2835	=cut
1805		2836
1806	for (	2837	for (
1807	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
1808	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
1809	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
1810	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
1811	) {	2844	) {
1812	no strict 'refs';	2845	no strict 'refs';
…		…
1883	=back	2916	=back
1884		2917
1885	=cut	2918	=cut
1886		2919
1887	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
1888		2922
1889	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
1890		2925
1891	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
1892	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
1893	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
1894		2929
1895	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1896	using it, it should be unique.
1897		2931
1898	=over 4	2932	warn "loading facedata from $path\n";
1899		2933
1900	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
1901		2937
1902	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905		2939
1906	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
1907		2942
1908	Returns a single value from the database	2943	# patch in the exptable
1909		2944	$facedata->{resource}{"res/exp_table"} = {
1910	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
1911		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914
1915	=item cf::db_put $family => $key => $value
1916
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927
1928	=cut
1929
1930	our $DB;
1931
1932	{
1933	my $path = cf::localdir . "/database.pst";
1934
1935	sub db_load() {
1936	$DB = stat $path ? Storable::retrieve $path : { };
1937	}
1938
1939	my $pid;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	2947	};
		2948	cf::cede_to_tick;
1961		2949
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
1966		2952
1967	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
1968	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1969	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
1970	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
1971	}	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};
1972		2959
1973	sub db_put($$;$) {	2960	cf::cede_to_tick;
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2961	}
1987	);
1988	}
1989		2962
1990	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
1991	# 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	}
1992		2973
1993	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 {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
1995	or return;	3101	or return;
1996		3102
1997	local $/;	3103	local $/;
1998	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
1999		3105
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		3110
2005	if (exists $CFG{mlockall}) {	3111	if (exists $CFG{mlockall}) {
2006	eval {	3112	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	3114	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	3115	};
2010	warn $@ if $@;	3116	warn $@ if $@;
2011	}	3117	}
2012	}	3118	}
2013		3119
2014	sub main {	3120	sub main {
2015	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2017	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 {
2018	async { Event::one_event };	3125	Event::one_event;
		3126	})->prio (Coro::PRIO_MAX);
2019	};	3127	};
2020		3128
2021	cfg_load;	3129	reload_config;
2022	db_load;	3130	db_init;
2023	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2024	Event::loop;	3134	Event::loop;
2025	}	3135	}
2026		3136
2027	#############################################################################	3137	#############################################################################
2028	# initialisation	3138	# initialisation and cleanup
2029		3139
		3140	# install some emergency cleanup handlers
		3141	BEGIN {
		3142	for my $signal (qw(INT HUP TERM)) {
		3143	Event->signal (
		3144	reentrant => 0,
		3145	data => WF_AUTOCANCEL,
		3146	signal => $signal,
		3147	prio => 0,
		3148	cb => sub {
		3149	cf::cleanup "SIG$signal";
		3150	},
		3151	);
		3152	}
		3153	}
		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
		3193	sub emergency_save() {
		3194	my $freeze_guard = cf::freeze_mainloop;
		3195
		3196	warn "enter emergency perl save\n";
		3197
		3198	cf::sync_job {
		3199	# use a peculiar iteration method to avoid tripping on perl
		3200	# refcount bugs in for. also avoids problems with players
		3201	# and maps saved/destroyed asynchronously.
		3202	warn "begin emergency player save\n";
		3203	for my $login (keys %cf::PLAYER) {
		3204	my $pl = $cf::PLAYER{$login} or next;
		3205	$pl->valid or next;
		3206	$pl->save;
		3207	}
		3208	warn "end emergency player save\n";
		3209
		3210	warn "begin emergency map save\n";
		3211	for my $path (keys %cf::MAP) {
		3212	my $map = $cf::MAP{$path} or next;
		3213	$map->valid or next;
		3214	$map->save;
		3215	}
		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";
		3221	};
		3222
		3223	warn "leave emergency perl save\n";
		3224	}
		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2030	sub reload() {	3233	sub do_reload_perl() {
2031	# can/must only be called in main	3234	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2034	return;	3237	return;
2035	}	3238	}
2036		3239
2037	warn "reloading...";	3240	warn "reloading...";
2038		3241
2039	my $guard = freeze_mainloop;	3242	warn "entering sync_job";
		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2041		3248
2042	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2043	# 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
2044		3253
2045	# cancel all watchers	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	3257	}
2049		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
2050	# cancel all extension coros	3270	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	3272	%EXT_CORO = ();
2053		3273
2054	# unload all extensions	3274	warn "removing commands";
2055	for (@exts) {	3275	%COMMAND = ();
		3276
		3277	warn "removing ext/exti commands";
		3278	%EXTCMD = ();
		3279	%EXTICMD = ();
		3280
		3281	warn "unloading/nuking all extensions";
		3282	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	3283	warn "... unloading $pkg";
2057	unload_extension $_;	3284
		3285	if (my $cb = $pkg->can ("unload")) {
		3286	eval {
		3287	$cb->($pkg);
		3288	1
		3289	} or warn "$pkg unloaded, but with errors: $@";
2058	}	3290	}
2059		3291
		3292	warn "... nuking $pkg";
		3293	Symbol::delete_package $pkg;
		3294	}
		3295
2060	# unload all modules loaded from $LIBDIR	3296	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		3299
2064	warn "removing <$k>";	3300	warn "... unloading $k";
2065	delete $INC{$k};	3301	delete $INC{$k};
2066		3302
2067	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2069		3305
…		…
2072	}	3308	}
2073		3309
2074	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2075	}	3311	}
2076		3312
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	3313	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2083	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);
2084		3316
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	3317	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2090		3320
2091	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2092	# and global variables created in xs	3322	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2094		3324
2095	# reload cf.pm	3325	warn "unload completed, starting to reload now";
		3326
2096	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2097	require cf;	3328	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		3330
2100	# load config and database again	3331	warn "loading config and database again";
2101	cf::cfg_load;	3332	cf::reload_config;
2102	cf::db_load;
2103		3333
2104	# load extensions
2105	warn "load extensions";	3334	warn "loading extensions";
2106	cf::load_extensions;	3335	cf::load_extensions;
2107		3336
2108	# reattach attachments to objects	3337	warn "reattaching attachments to objects/players";
2109	warn "reattach";	3338	_global_reattach; # objects, sockets
2110	_global_reattach;	3339	warn "reattaching attachments to maps";
2111	};	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2112		3343
2113	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2114	warn $@;	3348	warn $@;
2115	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2116	exit 1;	3350	exit 1;
2117	}	3351	};
2118		3352
2119	warn "reloaded successfully";	3353	warn "reloaded";
2120	};	3354	};
2121		3355
2122	#############################################################################	3356	our $RELOAD_WATCHER; # used only during reload
2123		3357
2124	unless ($LINK_MAP) {	3358	sub reload_perl() {
2125	$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.
2126		3361
2127	$LINK_MAP->width (41);	3362	$RELOAD_WATCHER ||= Event->timer (
2128	$LINK_MAP->height (41);	3363	reentrant => 0,
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,	3364	after => 0,
		3365	data => WF_AUTOCANCEL,
2137	cb => sub {	3366	cb => sub {
2138	$_[0]->w->cancel;	3367	do_reload_perl;
2139		3368	undef $RELOAD_WATCHER;
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});	3369	},
2158		3370	);
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	3371	}
2164
2165	register "<global>", __PACKAGE__;
2166		3372
2167	register_command "reload" => sub {	3373	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2169		3375
2170	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2174	}	3379	}
2175	};	3380	};
2176		3381
2177	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2178		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;
2179	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2181	prio => 0,	3412	prio => 0,
2182	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2184	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
		3422	$NOW = $tick_start = Event::time;
		3423
2185	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
2186	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2188		3451
		3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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;
		3471
2189	# 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
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2191		3474
2192	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2193	$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
2194	},	3484	},
2195	);	3485	);
2196		3486
		3487	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2198		3489	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	3490	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2201	poll => 'r',	3492	poll => 'r',
2202	prio => 5,	3493	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2209	after => 0,	3495	cb => \&BDB::poll_cb,
2210	interval => 10,	3496	);
2211	cb => sub {	3497	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	3498
2213	write_runtime	3499	BDB::set_sync_prepare {
2214	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 $@;
2215	})->();	3533	};
2216	},	3534	}
2217	);	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;
2218		3592
2219	END { cf::emergency_save }	3593	END { cf::emergency_save }
2220		3594
2221	1	3595	1
2222		3596

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