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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
249	=item cf::lock_wait $string	376	=item cf::lock_wait $string
250		377
251	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
252		379
253	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
254		381
255	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
258	returned.	385	returned.
259		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
260	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
262		392
263	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
264		394
265	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
266		396
267	=cut	397	=cut
268		398
269	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
270		400
271	sub lock_wait($) {	401	sub lock_wait($) {
272	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	403	}
280		404
281	sub lock_acquire($) {	405	sub lock_acquire($) {
282	my ($key) = @_;	406	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	407	}
294		408
295	sub lock_active($) {	409	sub lock_active($) {
296	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	411	}
300		412
301	sub freeze_mainloop {	413	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
303		415
304	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
306	};	483	}
307	$TICK_WATCHER->stop;	484	};
308	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
309	}	499	}
310		500
311	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
312		502
313	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		508
319	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
320		510
321	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
322		512
323	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
326		517
327	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
330	fast or be very important.	521	fast or be very important.
…		…
332	=cut	523	=cut
333		524
334	sub sync_job(&) {	525	sub sync_job(&) {
335	my ($job) = @_;	526	my ($job) = @_;
336		527
337	if ($Coro::current == $Coro::main) {	528	if (in_main) {
338	my $time = Event::time;	529	my $time = AE::time;
339		530
340	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
342		533
343	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	535
345	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
346		537
347	my $busy = 1;	538	my $busy = 1;
348	my @res;	539	my @res;
349		540
350	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	543	@res = eval { $job->() };
352	warn $@ if $@;	544	error $@ if $@;
353	undef $busy;	545	undef $busy;
354	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
355		547
356	while ($busy) {	548	while ($busy) {
357	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
358	}	553	}
		554	}
359		555
360	$time = Event::time - $time;	556	my $time = AE::time - $time;
361		557
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	558	$TICK_START += $time; # do not account sync jobs to server load
366		559
367	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
368	} else {	561	} else {
369	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
370		563
…		…
390	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
391		584
392	$coro	585	$coro
393	}	586	}
394		587
395	sub write_runtime {	588	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		589
398	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
400		594
401	IO::AIO::aio_utime $runtime, undef, undef;	595	=cut
402		596
403	my $guard = cf::lock_acquire "write_runtime";	597	sub fork_call(&@) {
		598	my ($cb, @args) = @_;
404		599
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	600	# we seemingly have to make a local copy of the whole thing,
406	or return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
407		603
408	my $value = $cf::RUNTIME + 90 + 10;	604	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	605	reset_signals;
410	# 60 allows for the watchdog to kill the server.	606	&$cb
		607	}, @args;
411		608
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	wantarray ? @res : $res[-1]
413	and return;	610	}
414		611
415	# always fsync - this file is important	612	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
431	}	777	}
432		778
433	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
434		780
435	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
436		782
437	=cut	783	=cut
438		784
439	sub datalog($@) {	785	sub datalog($@) {
440	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	788	}
443		789
444	=back	790	=back
445		791
446	=cut	792	=cut
447		793
448	#############################################################################	794	#############################################################################
449		795
450	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
451		797
452	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
455		801
456	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	804	Deliantra).
459		805
460	=over 4	806	=over 4
461		807
462	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
463		809
…		…
507	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
508		854
509	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
511		857
512	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
514		860
515	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
516		862
517	=over 4	863	=over 4
…		…
641		987
642	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		990
645	} elsif (ref $type) {	991	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
647		993
648	} else {	994	} else {
649	shift @arg;	995	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
651	}	997	}
652	}	998	}
653	}	999	}
654		1000
655	sub _object_attach {	1001	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
666	}	1012	}
667		1013
668	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
669	} else {	1015	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1017	}
672		1018
673	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
674	}	1020	}
675		1021
…		…
715	";	1061	";
716	die if $@;	1062	die if $@;
717	}	1063	}
718		1064
719	our $override;	1065	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1067
722	sub override {	1068	sub override {
723	$override = 1;	1069	$override = 1;
724	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
725	}	1071	}
726		1072
727	sub do_invoke {	1073	sub do_invoke {
728	my $event = shift;	1074	my $event = shift;
729	my $callbacks = shift;	1075	my $callbacks = shift;
730		1076
731	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
732		1078
733	local $override;	1079	local $override;
734		1080
735	for (@$callbacks) {	1081	for (@$callbacks) {
736	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
737		1083
738	if ($@) {	1084	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1086	override;
742	}	1087	}
743		1088
744	return 1 if $override;	1089	return 1 if $override;
745	}	1090	}
746		1091
747	0	1092	0
748	}	1093	}
749		1094
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1096
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1098
754	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
755		1100
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1104
760	=back	1105	=back
761		1106
762	=cut	1107	=cut
763		1108
764	#############################################################################	1109	#############################################################################
765	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
766		1153
767	sub reattach {	1154	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1156	my ($obj) = @_;
770		1157
		1158	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1160
773	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
774		1162
775	@$registry = ();	1163	@$registry = ();
776		1164
…		…
781	for (@$attach) {	1169	for (@$attach) {
782	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
784	}	1172	}
785	} else {	1173	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1175	}
788	}	1176	}
789	}	1177	}
790		1178
791	cf::attachable->attach (	1179	cf::attachable->attach (
792	prio => -1000000,	1180	prio => -1000000,
793	on_instantiate => sub {	1181	on_instantiate => sub {
794	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
795		1183
796	$data = from_json $data;	1184	$data = decode_json $data;
797		1185
798	for (@$data) {	1186	for (@$data) {
799	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
800		1188
801	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1205	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
819		1207
820	sync_job {	1208	sync_job {
821	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
824		1214
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1220	aio_fsync $fh;
		1221	}
829	close $fh;	1222	aio_close $fh;
830		1223
831	if (@$objs) {	1224	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1231	aio_fsync $fh;
		1232	}
837	close $fh;	1233	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
839	}	1235	}
840	} else {	1236	} else {
841	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
842	}	1238	}
843		1239
844	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1244	} else {
846	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
847	}	1246	}
848	} else {	1247	} else {
849	aio_unlink $filename;	1248	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
851	}	1250	}
852	}	1251	};
853	}	1252	}
854		1253
855	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
857		1256
…		…
869	or return;	1268	or return;
870		1269
871	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
873	or return;	1272	or return;
		1273
874	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
875	}	1276	}
876		1277
		1278	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
879	return ($data, $av);	1283	($data, $av)
880	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
881		1291
882	#############################################################################	1292	#############################################################################
883	# command handling &c	1293	# command handling &c
884		1294
885	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1309	}
900		1310
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1312
903	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
904		1318
905	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
906	called.	1320	called.
907		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
908	=cut	1333	=cut
909		1334
910	sub register_extcmd {	1335	sub register_extcmd {
911	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
912		1337
913	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
914	}	1339	}
915		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
916	cf::player->attach (	1349	cf::player->attach (
917	on_command => sub {	1350	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
919		1352
920	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
921	or return;	1354	or return;
922		1355
…		…
927	cf::override;	1360	cf::override;
928	},	1361	},
929	on_extcmd => sub {	1362	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
931		1364
932	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1366
934	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
940	} else {	1382	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1384	}
943		1385
944	cf::override;	1386	cf::override;
945	},	1387	},
946	);	1388	);
947		1389
		1390	# "readahead" all extensions
		1391	sub cache_extensions {
		1392	my $grp = IO::AIO::aio_group;
		1393
		1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1395	for (grep /\.ext$/, @{$_[0]}) {
		1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1397	}
		1398	};
		1399
		1400	$grp
		1401	}
		1402
948	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
949	cf::sync_job {	1406	cf::sync_job {
950	my %todo;	1407	my %todo;
951		1408
952	for my $path (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1410	next unless -r $path;
…		…
967	path => $path,	1424	path => $path,
968	base => $base,	1425	base => $base,
969	pkg => $pkg,	1426	pkg => $pkg,
970	);	1427	);
971		1428
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1431
975	$ext{source} =	1432	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1433	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1434	. "#line 1 \"$path\"\n{\n"
978	. $source	1435	. $source
979	. "\n};\n1";	1436	. "\n};\n1";
980		1437
981	$todo{$base} = \%ext;	1438	$todo{$base} = \%ext;
982	}	1439	}
983		1440
		1441	my $pass = 0;
984	my %done;	1442	my %done;
985	while (%todo) {	1443	while (%todo) {
986	my $progress;	1444	my $progress;
987		1445
		1446	++$pass;
		1447
		1448	ext:
988	while (my ($k, $v) = each %todo) {	1449	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1450	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1451	next ext
991	unless exists $done{$_};	1452	unless exists $done{$_};
992	}	1453	}
993		1454
994	warn "... loading '$k' into '$v->{pkg}'\n";	1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1456
996	unless (eval $v->{source}) {	1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1460	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1463	if exists $v->{meta}{mandatory};
1001	warn $msg;	1464
1002	warn "mandatory extension failed to load, exiting.\n";	1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1466	delete $todo{$k};
1004	}	1467	} else {
1005		1468	$done{$k} = delete $todo{$k};
1006	die $msg;	1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
1007	}	1474	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1475	}
1012		1476
1013	skip:	1477	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
1016	}	1485	}
1017	};	1486	};
1018	}	1487	}
1019		1488
1020	#############################################################################	1489	#############################################################################
1021		1490
		1491	=back
		1492
1022	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
1023		1494
1024	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
1025		1496
1026	=cut	1497	=cut
1027		1498
1028	package cf::player;	1499	package cf::player;
1029		1500
1030	use Coro::AIO;	1501	use Coro::AIO;
1031		1502
1032	=head3 cf::player	1503	=head3 cf::player
1033		1504
1034	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
1035		1520
1036	=item cf::player::find $login	1521	=item cf::player::find $login
1037		1522
1038	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1039		1524
…		…
1058		1543
1059	sub exists($) {	1544	sub exists($) {
1060	my ($login) = @_;	1545	my ($login) = @_;
1061		1546
1062	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1064	}	1549	}
1065		1550
1066	sub find($) {	1551	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1553	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1564
1080	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1083	}	1574	}
1084	}	1575	}
1085	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1086		1590
1087	sub save($) {	1591	sub save($) {
1088	my ($pl) = @_;	1592	my ($pl) = @_;
1089		1593
1090	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1096		1600
1097	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1099		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1100	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1101	Coro::cede;	1610	cf::cede_to_tick;
1102	}	1611	}
1103		1612
1104	sub new($) {	1613	sub new($) {
1105	my ($login) = @_;	1614	my ($login) = @_;
1106		1615
…		…
1112	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1113		1622
1114	$self	1623	$self
1115	}	1624	}
1116		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1117	=item $pl->quit_character	1636	=item $pl->quit_character
1118		1637
1119	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1121		1640
…		…
1125	my ($pl) = @_;	1644	my ($pl) = @_;
1126		1645
1127	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1128		1647
1129	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1650
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1136		1656
1137	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1694	or return [];
1175		1695
1176	my @logins;	1696	my @logins;
1177		1697
1178	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1182		1708
1183	utf8::decode $login;	1709	utf8::decode $login;
1184	push @logins, $login;	1710	push @logins, $login;
1185	}	1711	}
1186		1712
1187	\@logins	1713	\@logins
1188	}	1714	}
1189		1715
1190	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1191		1719
1192	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1193	player. May block.	1721	player. May block.
1194		1722
1195	=cut	1723	=cut
…		…
1213	}	1741	}
1214		1742
1215	\@paths	1743	\@paths
1216	}	1744	}
1217		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1218	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1219		1751
1220	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1221		1753
1222	=cut	1754	=cut
1223		1755
1224	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1226		1758
1227	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1760	}
1231		1761
1232	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1233		1763
1234	Sends an ext event to the client.	1764	Sends an ext event to the client.
1235		1765
1236	=cut	1766	=cut
1237		1767
1238	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1240		1770
1241	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1242	}	1772	}
1243		1773
1244	=head3 cf::region	1774	=head3 cf::region
1245		1775
1246	=over 4	1776	=over 4
…		…
1249		1779
1250	package cf::region;	1780	package cf::region;
1251		1781
1252	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1253		1783
1254	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1255		1785
1256	=cut	1786	=cut
1257		1787
1258	sub find_by_path($) {	1788	sub find_by_path($) {
1259	my ($path) = @_;	1789	my ($path) = @_;
1260		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1261	my ($match, $specificity);	1793	my ($match, $specificity);
1262		1794
1263	for my $region (list) {	1795	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1267	}	1799	}
1268	}	1800	}
1269		1801
…		…
1290	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1292		1824
1293	sub generate_random_map {	1825	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1295	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1831	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1318		1853
1319	sub register {	1854	sub register {
1320	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1856	my $pkg = caller;
1322		1857
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1859
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1861	}
1328		1862
1329	# also paths starting with '/'	1863	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1865
1332	sub thawer_merge {	1866	sub thawer_merge {
1333	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1334		1868
1335	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
…		…
1340	}	1874	}
1341		1875
1342	sub normalise {	1876	sub normalise {
1343	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1344		1878
1345	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1346		1880
1347	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1348		1882
1349	# map plan:	1883	# map plan:
1350	#	1884	#
…		…
1389	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1390	return $self;	1924	return $self;
1391	}	1925	}
1392	}	1926	}
1393		1927
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1929	()
1396	}	1930	}
1397		1931
1398	sub init {	1932	sub init {
1399	my ($self) = @_;	1933	my ($self) = @_;
…		…
1421		1955
1422	# the temporary/swap location	1956	# the temporary/swap location
1423	sub save_path {	1957	sub save_path {
1424	my ($self) = @_;	1958	my ($self) = @_;
1425		1959
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1428	}	1962	}
1429		1963
1430	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1431	sub uniq_path {	1965	sub uniq_path {
1432	my ($self) = @_;	1966	my ($self) = @_;
1433		1967
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1970	}
1446		1971
1447	sub decay_objects {	1972	sub decay_objects {
1448	my ($self) = @_;	1973	my ($self) = @_;
1449		1974
…		…
1462		1987
1463	sub load_header_from($) {	1988	sub load_header_from($) {
1464	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1465		1990
1466	utf8::encode $path;	1991	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1472		2000
1473	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1474		2002
1475	1	2003	1
1476	}	2004	}
…		…
1528		2056
1529	sub find;	2057	sub find;
1530	sub find {	2058	sub find {
1531	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1532		2060
		2061	cf::cede_to_tick;
		2062
1533	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1534		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2067
1537	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1540	or return;	2070	or return;
1541		2071
1542	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1543		2073
…		…
1545	or return;	2075	or return;
1546		2076
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1550	$map->reset;	2082	$map->reset;
1551	undef $guard;
1552	return find $path;	2083	return find $path;
1553	}	2084	}
1554		2085
1555	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1556	}	2087	}
1557	}	2088	}
1558		2089
1559	sub pre_load { }	2090	sub pre_load { }
1560	sub post_load { }	2091	#sub post_load { } # XS
1561		2092
1562	sub load {	2093	sub load {
1563	my ($self) = @_;	2094	my ($self) = @_;
1564		2095
1565	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1566		2097
1567	my $path = $self->{path};	2098	my $path = $self->{path};
1568		2099
1569	{	2100	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1571		2102
		2103	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2105
1574	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1575		2107
1576	$self->alloc;	2108	$self->alloc;
1577		2109
1578	$self->pre_load;	2110	$self->pre_load;
1579	Coro::cede;	2111	cf::cede_to_tick;
1580		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1582	or return;	2116	or return;
1583		2117
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1585	if delete $self->{load_original};	2119	if delete $self->{load_original};
1586		2120
1587	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2122	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2125	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1592	}	2129	}
1593	}	2130	}
1594		2131
1595	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1596	# now do the right thing for maps	2135	# now do the right thing for maps
1597	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2138	unless $self->difficulty;
1600	Coro::cede;	2139	cf::cede_to_tick;
1601		2140
1602	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2142	$self->decay_objects;
1604	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1605	$self->update_buttons;	2144	$self->update_buttons;
1606	Coro::cede;	2145	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2146	$self->activate;
1610	}	2147	}
1611		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2153	}
1614		2154
1615	$self->post_load;	2155	$self->post_load;
1616	}	2156	}
1617		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2161	sub customise_for {
1619	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1620		2163
1621	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2165	if $self->per_player;
…		…
1626		2169
1627	$self	2170	$self
1628	}	2171	}
1629		2172
1630	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2174	sub load_neighbours {
1632	my ($map) = @_;	2175	my ($map) = @_;
1633		2176
1634	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1635		2178
1636	for (0 .. 3) {	2179	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1638	or next;	2181	or next;
1639	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1640	or next;	2183	or next;
1641	$neigh->load;	2184	$neigh->load;
1642		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2190	}
1646		2191
1647	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1649	or next;	2195	or next;
1650	$neigh->load;	2196	$neigh->load;
1651	}	2197	}
1652	}	2198	}
1653		2199
1654	sub find_sync {	2200	sub find_sync {
1655	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1656		2202
1657	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1658	}	2207	}
1659		2208
1660	sub do_load_sync {	2209	sub do_load_sync {
1661	my ($map) = @_;	2210	my ($map) = @_;
1662		2211
1663	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1664	}	2216	}
1665		2217
1666	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1668		2220
1669	sub find_async {	2221	sub find_async {
1670	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1671		2223
1672	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1673		2225
1674	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2228	}
1677		2229
1678	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1679	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1680	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2237	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2238	$map->load if $v;
		2239	}
1685		2240
1686	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1687	}	2242	}
1688	}	2243	}
1689	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1690	};	2245	};
1691	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1692		2247
1693	()	2248	()
1694	}	2249	}
1695		2250
		2251	# common code, used by both ->save and ->swapout
1696	sub save {	2252	sub _save {
1697	my ($self) = @_;	2253	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2254
1701	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1702		2256
1703	return unless $self->dirty;	2257	return unless $self->dirty;
1704		2258
…		…
1710	return if $self->{deny_save};	2264	return if $self->{deny_save};
1711		2265
1712	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1713		2267
1714	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1716	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1717		2274
1718	if ($uniq) {	2275	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2278	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2280	}
1724	}	2281	}
1725		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1726	sub swap_out {	2291	sub swap_out {
1727	my ($self) = @_;	2292	my ($self) = @_;
1728		2293
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1734	return if $self->players;	2298	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1738	$self->clear;	2309	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2310	}
1741		2311
1742	sub reset_at {	2312	sub reset_at {
1743	my ($self) = @_;	2313	my ($self) = @_;
1744		2314
…		…
1762		2332
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2334
1765	return if $self->players;	2335	return if $self->players;
1766		2336
1767	warn "resetting map ", $self->path;	2337	cf::trace "resetting map ", $self->path, "\n";
1768		2338
1769	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1770		2340
1771	# need to save uniques path	2341	# need to save uniques path
1772	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2346	if $uniq;
1777	}	2347	}
1778		2348
1779	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1780		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2353	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2354
1785	$self->unlink_save;	2355	$self->unlink_save;
1786	$self->destroy;	2356	$self->destroy;
1787	}	2357	}
1788		2358
1789	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1790		2360
1791	sub nuke {	2361	sub nuke {
1792	my ($self) = @_;	2362	my ($self) = @_;
1793		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1794	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1795		2368
1796	$self->unlink_save;	2369	$self->unlink_save;
1797		2370
1798	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2376
1804	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1805		2379
1806	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
1807	}	2381	}
1808		2382
1809	=item $maps = cf::map::tmp_maps	2383	=item $maps = cf::map::tmp_maps
…		…
1851		2425
1852	sub unique_maps() {	2426	sub unique_maps() {
1853	[	2427	[
1854	map {	2428	map {
1855	utf8::decode $_;	2429	utf8::decode $_;
1856	/\.map$/	2430	s/\.map$//; # TODO future compatibility hack
		2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2432	? ()
1857	? normalise $_	2433	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2434	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2435	]
1861	}	2436	}
1862		2437
1863	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1864		2469
1865	=back	2470	=back
1866		2471
1867	=head3 cf::object	2472	=head3 cf::object
1868		2473
…		…
1872		2477
1873	=over 4	2478	=over 4
1874		2479
1875	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1876		2481
1877	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1878		2484
1879	=cut	2485	=cut
1880		2486
1881	sub inv_recursive_;	2487	sub inv_recursive_;
1882	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1885		2491
1886	sub inv_recursive {	2492	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1888	}	2494	}
1889		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1890	package cf;	2524	package cf;
1891		2525
1892	=back	2526	=back
1893		2527
1894	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1903		2537
1904	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1905		2553
1906	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2555	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1911		2559
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2561
1914	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1916	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1919	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1920	}	2587	}
1921		2588
1922	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1923		2590
1924	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1937		2604
1938	=item $player_object->enter_link	2605	=item $player_object->enter_link
1939		2606
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2608
1942	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1944		2613
1945	Will never block.	2614	Will never block.
1946		2615
1947	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1948		2617
…		…
1968	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2638	my ($self) = @_;
1970		2639
1971	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1972		2641
		2642	++$self->{_link_recursion};
		2643
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2645
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2647	if $self->map && $self->map->{path} ne "{link}";
1977		2648
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2650	}
1980		2651
1981	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
1983		2654
…		…
2000	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
2002		2673
2003	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
2006		2677
2007	$map->load;	2678	$map->load;
2008	$map->load_diag;	2679	$map->load_neighbours;
2009		2680
2010	return unless $self->contr->active;	2681	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2682
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
2015	}	2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
		2688	$self->activate_recursive;
		2689	}
2016		2690
		2691	}
		2692
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2694
2019	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
2023		2703
2024	=cut	2704	=cut
2025		2705
2026	our $GOTOGEN;	2706	our $GOTOGEN;
2027		2707
2028	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
2030		2716
2031	# do generation counting so two concurrent goto's will be executed in-order	2717	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2719
2034	$self->enter_link;	2720	$self->enter_link;
2035		2721
2036	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
2037	my $map = eval {	2744	my $map = eval {
2038	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
2039		2746
2040	if ($map) {	2747	if ($map) {
2041	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2750	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2752	}
2046		2753
2047	$map	2754	$map
2048	};	2755	};
2049		2756
…		…
2054		2761
2055	if ($gen == $self->{_goto_generation}) {	2762	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2763	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
2058	}	2765	}
		2766
		2767	$done->($self) if $done;
2059	})->prio (1);	2768	})->prio (1);
2060	}	2769	}
2061		2770
2062	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
2063		2772
…		…
2083	}	2792	}
2084		2793
2085	sub prepare_random_map {	2794	sub prepare_random_map {
2086	my ($exit) = @_;	2795	my ($exit) = @_;
2087		2796
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2799	# that depends on the exit object
2093		2800
2094	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2803	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2101	}	2810	}
2102		2811
2103	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2104		2813
2105	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2108		2817
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2820	undef $fh;
2112	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2113		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2116	}	2829	}
2117	}	2830	}
2118		2831
2119	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2121		2834
2122	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2123		2836
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2837	$self->enter_link;
2136		2838
2137	(async {	2839	(async {
2138	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2139	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2140	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2141		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2142	1;	2863	1
2143	}) {	2864	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2869
2149	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2871	$self->leave_link;
2151	}	2872	}
2152	})->prio (1);	2873	})->prio (1);
2153	}	2874	}
2154		2875
…		…
2168		2889
2169	utf8::encode $text;	2890	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2892	}
2172		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
2173	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2174		3082
2175	Sends an exti event to the client.	3083	Sends an ext event to the client.
2176		3084
2177	=cut	3085	=cut
2178		3086
2179	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2181		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
2184	}	3114	}
2185		3115
2186	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2187		3117
2188	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3121
2192	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3123	become reliable at some point in the future.
2194		3124
2195	=cut	3125	=cut
2196		3126
2197	sub cf::client::query {	3127	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3136	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3138
2209	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2211	}	3143	}
2212		3144
2213	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2214	on_reply => sub {	3151	on_reply => sub {
2215	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2216		3153
2217	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2218	# get handled first	3155	# get handled first
…		…
2230	} else {	3167	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3169	}
2233	}	3170	}
2234	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2235	);	3198	);
2236		3199
2237	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2238		3201
2239	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3218
2256	$coro	3219	$coro
2257	}	3220	}
2258		3221
2259	cf::client->attach (	3222	cf::client->attach (
2260	on_destroy => sub {	3223	on_client_destroy => sub {
2261	my ($ns) = @_;	3224	my ($ns) = @_;
2262		3225
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3227	},
2265	);	3228	);
…		…
2280	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2282		3245
2283	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2284		3247
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2286		3253
2287	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2288		3255
2289	=pod	3256	=pod
2290		3257
2291	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2292		3259
2293	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2294	cf::object::player player	3265	cf::object::player
2295	cf::player peaceful	3266	player
2296	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2297		3273
2298	=cut	3274	=cut
2299		3275
2300	for (	3276	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2305	) {	3283	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3286	for @funs;
2310	}	3287	}
2311		3288
…		…
2326		3303
2327	my $qcode = $code;	3304	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2330		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2331	local $_;	3311	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3312
2334	my $eval =	3313	my $eval =
2335	"do {\n"	3314	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3317	. $code
2339	. "\n}"	3318	. "\n}"
2340	;	3319	;
2341		3320
		3321	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2345		3330
2346	if ($@) {	3331	if ($@) {
2347	warn "$@";	3332	warn "$@",
2348	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2350	}	3335	}
2351		3336
2352	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2353	}	3338	}
2354		3339
…		…
2368	=cut	3353	=cut
2369		3354
2370	sub register_script_function {	3355	sub register_script_function {
2371	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2372		3357
2373	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2375	}	3360	}
2376		3361
2377	=back	3362	=back
2378		3363
2379	=cut	3364	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3365
2553	#############################################################################	3366	#############################################################################
2554	# the server's init and main functions	3367	# the server's init and main functions
2555		3368
2556	sub load_facedata($) {	3369	sub load_facedata($) {
2557	my ($path) = @_;	3370	my ($path) = @_;
2558		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2559	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2560		3379
2561	my $facedata;
2562	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2563	or die "$path: $!";	3381	or die "$path: $!";
2564		3382
2565	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2566		3384
2567	$facedata->{version} == 2	3385	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
2570	{	3397	{
2571	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2572		3399
2573	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3407
		3408	cf::cede_to_tick;
2579	}	3409	}
2580		3410
2581	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2583	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2584	or next;	3415	or next;
		3416
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3420	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3422	}
2590	Coro::cede;	3423
		3424	cf::cede_to_tick;
2591	}	3425	}
2592	}	3426	}
2593		3427
2594	{	3428	{
2595	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2596		3430
2597	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3433	cf::cede_to_tick;
2600	}	3434	}
2601		3435
2602	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2603	}	3437	}
2604		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2605	1	3458	1
2606	}	3459	}
2607		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2608	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2609	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
2611	}	3491	}
2612		3492
2613	sub reload_facedata {	3493	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3503	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2626	}	3506	}
2627		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2628	sub reload_resources {	3531	sub reload_resources {
2629	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2630		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2631	reload_regions;	3539	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3540	reload_treasures;
2636		3541
2637	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2638	}	3543	}
2639		3544
2640	sub init {	3545	sub reload_config {
2641	reload_resources;	3546	trace "reloading config file...\n";
2642	}
2643		3547
2644	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2646	or return;
2647		3550
2648	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2649	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2650		3555
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3557
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3560
2656	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2660	};	3565	};
2661	warn $@ if $@;	3566	warn $@ if $@;
2662	}	3567	}
2663	}	3568	}
2664		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2665	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2666	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3611	(async {
2670	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2672	};	3615	};
2673		3616
2674	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2675	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2676	load_extensions;	3640	load_extensions;
2677		3641
2678	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2680	}	3660	}
2681		3661
2682	#############################################################################	3662	#############################################################################
2683	# initialisation and cleanup	3663	# initialisation and cleanup
2684		3664
2685	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2686	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2695	},
2696	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2697	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2698	}	3761	}
2699		3762
2700	sub emergency_save() {	3763	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2702		3765
2703	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2704		3772
2705	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2706	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3784	$pl->save;
2714	}	3785	}
2715	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2716		3787
2717	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3793	$map->valid or next;
2721	$map->save;	3794	$map->save;
2722	}	3795	}
2723	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2724		3797
2725	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3826	};
2729		3827
2730	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2731	}	3829	}
2732		3830
2733	sub post_cleanup {	3831	sub post_cleanup {
2734	my ($make_core) = @_;	3832	my ($make_core) = @_;
2735		3833
		3834	IO::AIO::flush;
		3835
2736	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2738	}	3866	}
2739		3867
2740	sub do_reload_perl() {	3868	sub do_reload_perl() {
2741	# can/must only be called in main	3869	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2743	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2744	return;	3872	return;
2745	}	3873	}
2746		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2747	warn "reloading...";	3881	info "reloading...";
2748		3882
2749	warn "entering sync_job";	3883	trace "entering sync_job";
2750		3884
2751	cf::sync_job {	3885	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3886	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3887
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3890	%EXT_CORO = ();
2780		3891
2781	warn "removing commands";	3892	trace "removing commands";
2782	%COMMAND = ();	3893	%COMMAND = ();
2783		3894
2784	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2785	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2786		3898
2787	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2790		3902
2791	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3904	eval {
2793	$cb->($pkg);	3905	$cb->($pkg);
2794	1	3906	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2796	}	3912	}
2797		3913
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3917
2806	warn "... unloading $k";	3918	trace "... unloading $k";
2807	delete $INC{$k};	3919	delete $INC{$k};
2808		3920
2809	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2811		3923
2812	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2814	}	3929	}
2815		3930
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3934
2823	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3938
2827	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3940	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2830		3942
2831	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2832		3944
2833	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2834	require cf;	3946	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2836		3948
2837	warn "loading config and database again";	3949	trace "loading config and database again";
2838	cf::cfg_load;	3950	cf::reload_config;
2839		3951
2840	warn "loading extensions";	3952	trace "loading extensions";
2841	cf::load_extensions;	3953	cf::load_extensions;
2842		3954
		3955	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2849		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2850	warn "leaving sync_job";	3967	trace "leaving sync_job";
2851		3968
2852	1	3969	1
2853	} or do {	3970	} or do {
2854	warn $@;	3971	error $@;
2855	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2857	};	3977	}
2858		3978
2859	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2860	};	3981	};
2861		3982
2862	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2863		3984
2864	sub reload_perl() {	3985	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2867		3988
2868	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3991
2871	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3993	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2875	},	3995	};
2876	);	3996	};
2877	}	3997	}
2878		3998
2879	register_command "reload" => sub {	3999	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2881		4001
2882	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4006	reload_perl;
		4007	};
2885	}	4008	}
2886	};	4009	};
2887		4010
2888	unshift @INC, $LIBDIR;	4011	#############################################################################
2889		4012
2890	my $bug_warning = 0;	4013	my $bug_warning = 0;
2891		4014
2892	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2894		4017
2895	sub wait_for_tick {	4018	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4020
2899	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4023	$signal->wait;
2902	}	4024	}
2903		4025
2904	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4028
2908	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4031	$signal->wait;
2911	}	4032	}
2912		4033
2913	my $min = 1e6;#d#	4034	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2925	return;	4038	return;
2926	}	4039	}
2927		4040
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2931		4042
2932	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4044
2938	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4047	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4049	write_runtime_sync
2943		4050	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4051	};
		4052	}
2954		4053
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4055	$sig->send;
2971	}	4056	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4058	$sig->send;
2974	}	4059	}
2975		4060
2976	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4063
2987	_post_tick;	4064	if (0) {
2988		4065	if ($NEXT_TICK) {
2989		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2990	},	4070	}
2991	);	4071	}
2992		4072
2993	{	4073	{
2994	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4075
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
3004		4077	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4079
3020	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4087
3023	cf::sync_job {	4088	cf::sync_job {
3024	eval {	4089	eval {
3025	BDB::db_env_open	4090	BDB::db_env_open
3026	$DB_ENV,	4091	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4095	0666;
3031		4096
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4098	};
3037		4099
3038	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4101	};
3040	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
3041	}	4113	}
3042		4114
3043	{	4115	{
		4116	# configure IO::AIO
		4117
3044	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4121	}
3057		4122
3058	my $_log_backtrace;	4123	my $_log_backtrace;
3059		4124
3060	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3064		4129
3065	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3068	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3069	my @bt = fork_call {	4137	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3081	}	4149	}
3082		4150
3083	@funcs	4151	@funcs
3084	};	4152	};
3085		4153
3086	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4157	--$_log_backtrace;
3089	};	4158	};
3090	} else {	4159	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4162	}
3094	}	4163	}
3095		4164
3096	# load additional modules	4165	# load additional modules
3097	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3098		4168
3099	END { cf::emergency_save }	4169	END { cf::emergency_save }
3100		4170
3101	1	4171	1
3102		4172

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