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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 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
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
90		138
91	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
94		142
95	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		145
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
101		155
102	binmode STDOUT;	156	binmode STDOUT;
103	binmode STDERR;	157	binmode STDERR;
104		158
105	# read virtual server time, if available	159	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
110	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
111		167
112	mkdir $_	168	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		170
115	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
116		172
117	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		189
119	#############################################################################	190	#############################################################################
120		191
121	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
122		193
…		…
158		229
159	The raw value load value from the last tick.	230	The raw value load value from the last tick.
160		231
161	=item %cf::CFG	232	=item %cf::CFG
162		233
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	235	from wherever your confdir points to.
165		236
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		238
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
172	=back	260	=back
173		261
174	=cut	262	=cut
175		263
176	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
177	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
178	my $msg = join "", @_;	271	my $msg = join "", @_;
179		272
180	$msg .= "\n"	273	$msg .= "\n"
181	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
182		275
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		277
185	utf8::encode $msg;
186	LOG llevError, $msg;	278	LOG llevWarn, $msg;
187	};	279	};
188	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
189		294
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	305	for my $pkg (qw(
201	cf::global cf::attachable	306	cf::global cf::attachable
202	cf::object cf::object::player	307	cf::object cf::object::player
203	cf::client cf::player	308	cf::client cf::player
204	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
205	cf::map cf::party cf::region	311	cf::party cf::region
206	)) {	312	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	314	}
210		315
211	$Event::DIED = sub {	316	$EV::DIED = sub {
212	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
213	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
214		324
215	#############################################################################	325	#############################################################################
216		326
217	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
218		328
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	350	$d
241	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
242	}	352	}
243		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
244	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
245		369
246	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
247		371
248	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
249		373
250	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
251		375
252	=cut	376	=cut
253		377
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		379
256	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
258		444
259	=item cf::lock_wait $string	445	=item cf::lock_wait $string
260		446
261	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
262		448
263	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
264		450
265	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
268	returned.	454	returned.
269		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
270	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
272		461
273	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
274		463
275	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
276		465
277	=cut	466	=cut
278		467
279	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
280		469
281	sub lock_wait($) {	470	sub lock_wait($) {
282	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	472	}
290		473
291	sub lock_acquire($) {	474	sub lock_acquire($) {
292	my ($key) = @_;	475	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	476	}
304		477
305	sub lock_active($) {	478	sub lock_active($) {
306	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	480	}
310		481
311	sub freeze_mainloop {	482	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
313		484
314	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
316	};	556	}
317	$TICK_WATCHER->stop;	557	};
318	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
319	}	572	}
320		573
321	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
322		575
323	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		581
329	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
330		583
331	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
332		585
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	589	acceptable.
337		590
338	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	596	=cut
344		597
345	sub sync_job(&) {	598	sub sync_job(&) {
346	my ($job) = @_;	599	my ($job) = @_;
347		600
348	if ($Coro::current == $Coro::main) {	601	if (in_main) {
349	my $time = Event::time;	602	my $time = AE::time;
350		603
351	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
353		606
354	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	608
356	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
357		610
358	my $busy = 1;	611	my $busy = 1;
359	my @res;	612	my @res;
360		613
361	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	616	@res = eval { $job->() };
363	warn $@ if $@;	617	error $@ if $@;
364	undef $busy;	618	undef $busy;
365	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
366		620
367	while ($busy) {	621	while ($busy) {
368	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
369	}	626	}
		627	}
370		628
371	$time = Event::time - $time;	629	my $time = AE::time - $time;
372		630
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
377		632
378	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
379	} else {	634	} else {
380	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
381		636
…		…
401	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
402		657
403	$coro	658	$coro
404	}	659	}
405		660
406	=item fork_call { }, $args	661	=item fork_call { }, @args
407		662
408	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
412		667
413	=cut	668	=cut
414		669
415	sub _store_scalar {	670	sub post_fork {
416	open my $fh, ">", \my $buf	671	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	672	}
423		673
424	sub fork_call(&@) {	674	sub fork_call(&@) {
425	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
426		676
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		680
432	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
433	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
434		685
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	687	}
437	$res = Coro::Storable::thaw $res;
438		688
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
466	}	725	}
467		726
468	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
469		728
470	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
473		732
474	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
477	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
478		762
479	our $DB;	763	our $DB;
480		764
481	sub db_init {	765	sub db_init {
482	unless ($DB) {	766	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	767	}
497		768
498	sub db_get($$) {	769	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
500		771
501	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
502	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
503		776
504	$! ? ()	777	$! ? ()
505	: $data	778	: $data
506	}
507	}	779	}
508		780
509	sub db_put($$$) {	781	sub db_put($$$) {
510	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		811
540	my @data;	812	my @data;
541	my $md5;	813	my $md5;
542		814
543	for (0 .. $#$src) {	815	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	817	}
547		818
548	# if processing is expensive, check	819	# if processing is expensive, check
549	# checksum first	820	# checksum first
550	if (1) {	821	if (1) {
551	$md5 =	822	$md5 =
552	join "\x00",	823	join "\x00",
553	$processversion,	824	$processversion,
554	map {	825	map {
555	Coro::cede;	826	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	828	} 0.. $#$src;
558		829
559		830
560	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		838
568	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	840	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
571		842
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		844
574	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
577		848
…		…
587		858
588	=cut	859	=cut
589		860
590	sub datalog($@) {	861	sub datalog($@) {
591	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	864	}
594		865
595	=back	866	=back
596		867
597	=cut	868	=cut
598		869
599	#############################################################################	870	#############################################################################
600		871
601	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
602		873
603	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
606		877
607	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	880	Deliantra).
610		881
611	=over 4	882	=over 4
612		883
613	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
614		885
…		…
658	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
659		930
660	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
662		933
663	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
665		936
666	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
667		938
668	=over 4	939	=over 4
…		…
792		1063
793	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1066
796	} elsif (ref $type) {	1067	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
798		1069
799	} else {	1070	} else {
800	shift @arg;	1071	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
802	}	1073	}
803	}	1074	}
804	}	1075	}
805		1076
806	sub _object_attach {	1077	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
817	}	1088	}
818		1089
819	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
820	} else {	1091	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1093	}
823		1094
824	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
825	}	1096	}
826		1097
…		…
866	";	1137	";
867	die if $@;	1138	die if $@;
868	}	1139	}
869		1140
870	our $override;	1141	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1143
873	sub override {	1144	sub override {
874	$override = 1;	1145	$override = 1;
875	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
876	}	1147	}
877		1148
878	sub do_invoke {	1149	sub do_invoke {
879	my $event = shift;	1150	my $event = shift;
880	my $callbacks = shift;	1151	my $callbacks = shift;
881		1152
882	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
883		1154
884	local $override;	1155	local $override;
885		1156
886	for (@$callbacks) {	1157	for (@$callbacks) {
887	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
888		1159
889	if ($@) {	1160	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1162	override;
893	}	1163	}
894		1164
895	return 1 if $override;	1165	return 1 if $override;
896	}	1166	}
897		1167
898	0	1168	0
899	}	1169	}
900		1170
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1172
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1174
905	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
906		1176
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1180
911	=back	1181	=back
912		1182
913	=cut	1183	=cut
914		1184
915	#############################################################################	1185	#############################################################################
916	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
917		1229
918	sub reattach {	1230	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1232	my ($obj) = @_;
921		1233
		1234	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1236
924	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
925		1238
926	@$registry = ();	1239	@$registry = ();
927		1240
…		…
932	for (@$attach) {	1245	for (@$attach) {
933	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
935	}	1248	}
936	} else {	1249	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1251	}
939	}	1252	}
940	}	1253	}
941		1254
942	cf::attachable->attach (	1255	cf::attachable->attach (
943	prio => -1000000,	1256	prio => -1000000,
944	on_instantiate => sub {	1257	on_instantiate => sub {
945	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
946		1259
947	$data = from_json $data;	1260	$data = decode_json $data;
948		1261
949	for (@$data) {	1262	for (@$data) {
950	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
951		1264
952	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1281	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
970		1283
971	sync_job {	1284	sync_job {
972	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
975		1290
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
980	close $fh;	1298	aio_close $fh;
981		1299
982	if (@$objs) {	1300	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
988	close $fh;	1309	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
990	}	1311	}
991	} else {	1312	} else {
992	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
993	}	1314	}
994		1315
995	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1320	} else {
997	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
998	}	1322	}
999	} else {	1323	} else {
1000	aio_unlink $filename;	1324	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1002	}	1326	}
1003	}	1327	};
1004	}	1328	}
1005		1329
1006	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1008		1332
…		…
1020	or return;	1344	or return;
1021		1345
1022	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1348	or return;
		1349
1025	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1026	}	1352	}
1027		1353
		1354	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1030	return ($data, $av);	1359	($data, $av)
1031	}	1360	}
1032		1361
1033	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1034		1363
1035	=over 4	1364	=over 4
…		…
1089	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1090		1419
1091	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1092	}	1421	}
1093		1422
		1423	use File::Glob ();
		1424
1094	cf::player->attach (	1425	cf::player->attach (
1095	on_command => sub {	1426	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1097		1428
1098	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1099	or return;	1430	or return;
1100		1431
…		…
1108	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1109		1440
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1442
1112	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1118	} else {	1458	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1460	}
1121		1461
1122	cf::override;	1462	cf::override;
1123	},	1463	},
1124	);	1464	);
1125		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1126	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1127	cf::sync_job {	1482	cf::sync_job {
1128	my %todo;	1483	my %todo;
1129		1484
1130	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1486	next unless -r $path;
…		…
1149		1504
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1507
1153	$ext{source} =	1508	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1156	. $source	1511	. $source
1157	. "\n};\n1";	1512	. "\n};\n1";
1158		1513
1159	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1160	}	1515	}
1161		1516
		1517	my $pass = 0;
1162	my %done;	1518	my %done;
1163	while (%todo) {	1519	while (%todo) {
1164	my $progress;	1520	my $progress;
1165		1521
		1522	++$pass;
		1523
		1524	ext:
1166	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1527	next ext
1169	unless exists $done{$_};	1528	unless exists $done{$_};
1170	}	1529	}
1171		1530
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1532
1174	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1179	warn $msg;	1540
1180	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1542	delete $todo{$k};
1182	}	1543	} else {
1183		1544	$done{$k} = delete $todo{$k};
1184	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1185	}	1550	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1551	}
1191		1552
1192	skip:	1553	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
1195	}	1561	}
1196	};	1562	};
1197	}	1563	}
1198		1564
1199	#############################################################################	1565	#############################################################################
1200		1566
1201	=back	1567	=back
1202		1568
1203	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
1204		1570
1205	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
1206		1572
1207	=cut	1573	=cut
1208		1574
1209	package cf::player;	1575	package cf::player;
1210		1576
1211	use Coro::AIO;	1577	use Coro::AIO;
1212		1578
1213	=head3 cf::player	1579	=head3 cf::player
1214		1580
1215	=over 4	1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
1216		1596
1217	=item cf::player::find $login	1597	=item cf::player::find $login
1218		1598
1219	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
1220		1600
…		…
1239		1619
1240	sub exists($) {	1620	sub exists($) {
1241	my ($login) = @_;	1621	my ($login) = @_;
1242		1622
1243	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1245	}	1625	}
1246		1626
1247	sub find($) {	1627	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1629	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1640
1261	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1264	}	1650	}
1265	}	1651	}
1266	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1267		1666
1268	sub save($) {	1667	sub save($) {
1269	my ($pl) = @_;	1668	my ($pl) = @_;
1270		1669
1271	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1277		1676
1278	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1280		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1281	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1282	Coro::cede;	1686	cf::cede_to_tick;
1283	}	1687	}
1284		1688
1285	sub new($) {	1689	sub new($) {
1286	my ($login) = @_;	1690	my ($login) = @_;
1287		1691
…		…
1293	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1294		1698
1295	$self	1699	$self
1296	}	1700	}
1297		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1298	=item $pl->quit_character	1712	=item $pl->quit_character
1299		1713
1300	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1302		1716
…		…
1306	my ($pl) = @_;	1720	my ($pl) = @_;
1307		1721
1308	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1309		1723
1310	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1726
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1316	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1317		1735
1318	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1355	or return [];	1773	or return [];
1356		1774
1357	my @logins;	1775	my @logins;
1358		1776
1359	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1363		1787
1364	utf8::decode $login;	1788	utf8::decode $login;
1365	push @logins, $login;	1789	push @logins, $login;
1366	}	1790	}
1367		1791
1368	\@logins	1792	\@logins
1369	}	1793	}
1370		1794
1371	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1372		1798
1373	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1374	player. May block.	1800	player. May block.
1375		1801
1376	=cut	1802	=cut
…		…
1394	}	1820	}
1395		1821
1396	\@paths	1822	\@paths
1397	}	1823	}
1398		1824
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1826
1401	Expand crossfire pod fragments into protocol xml.	1827	Expand deliantra pod fragments into protocol xml.
1402		1828
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1450		1830
1451	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1452		1832
1453	=cut	1833	=cut
1454		1834
1455	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1457		1837
1458	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1839	}
1461		1840
1462	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1463		1842
1464	Sends an ext event to the client.	1843	Sends an ext event to the client.
1465		1844
1466	=cut	1845	=cut
1467		1846
1468	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1470		1849
1471	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1472	}	1851	}
1473		1852
1474	=head3 cf::region	1853	=head3 cf::region
1475		1854
1476	=over 4	1855	=over 4
…		…
1485		1864
1486	=cut	1865	=cut
1487		1866
1488	sub find_by_path($) {	1867	sub find_by_path($) {
1489	my ($path) = @_;	1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
1490		1871
1491	my ($match, $specificity);	1872	my ($match, $specificity);
1492		1873
1493	for my $region (list) {	1874	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1875	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1522		1903
1523	sub generate_random_map {	1904	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1526	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1910	}
1540		1911
1541	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1542		1913
1543	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1548		1919
1549	sub register {	1920	sub register {
1550	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1922	my $pkg = caller;
1552		1923
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1925
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1927	}
1558		1928
1559	# also paths starting with '/'	1929	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1931
1562	sub thawer_merge {	1932	sub thawer_merge {
1563	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1564		1934
1565	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
…		…
1570	}	1940	}
1571		1941
1572	sub normalise {	1942	sub normalise {
1573	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1574		1944
1575	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1576		1946
1577	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1578		1948
1579	# map plan:	1949	# map plan:
1580	#	1950	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1966	$path = "$base/$path";
1597	}	1967	}
1598		1968
1599	for ($path) {	1969	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1603	}	1972	}
1604		1973
1605	$path	1974	$path
…		…
1619	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1620	return $self;	1989	return $self;
1621	}	1990	}
1622	}	1991	}
1623		1992
1624	Carp::cluck "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1994	()
1626	}	1995	}
1627		1996
1628	sub init {	1997	sub init {
1629	my ($self) = @_;	1998	my ($self) = @_;
…		…
1651		2020
1652	# the temporary/swap location	2021	# the temporary/swap location
1653	sub save_path {	2022	sub save_path {
1654	my ($self) = @_;	2023	my ($self) = @_;
1655		2024
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1658	}	2027	}
1659		2028
1660	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1661	sub uniq_path {	2030	sub uniq_path {
1662	my ($self) = @_;	2031	my ($self) = @_;
1663		2032
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2035	}
1676		2036
1677	sub decay_objects {	2037	sub decay_objects {
1678	my ($self) = @_;	2038	my ($self) = @_;
1679		2039
…		…
1692		2052
1693	sub load_header_from($) {	2053	sub load_header_from($) {
1694	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1695		2055
1696	utf8::encode $path;	2056	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1702		2065
1703	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1704		2067
1705	1	2068	1
1706	}	2069	}
…		…
1758		2121
1759	sub find;	2122	sub find;
1760	sub find {	2123	sub find {
1761	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1762		2125
		2126	cf::cede_to_tick;
		2127
1763	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1764		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2132
1767	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1770	or return;	2135	or return;
1771		2136
1772	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1773		2138
…		…
1775	or return;	2140	or return;
1776		2141
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1780	$map->reset;	2147	$map->reset;
1781	undef $guard;
1782	return find $path;	2148	return find $path;
1783	}	2149	}
1784		2150
1785	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1786	}	2152	}
1787	}	2153	}
1788		2154
1789	sub pre_load { }	2155	sub pre_load { }
1790	sub post_load { }	2156	#sub post_load { } # XS
1791		2157
1792	sub load {	2158	sub load {
1793	my ($self) = @_;	2159	my ($self) = @_;
1794		2160
1795	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1796		2162
1797	my $path = $self->{path};	2163	my $path = $self->{path};
1798		2164
1799	{	2165	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1801		2167
		2168	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2170
1804	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1805		2172
1806	$self->alloc;	2173	$self->alloc;
1807		2174
1808	$self->pre_load;	2175	$self->pre_load;
1809	Coro::cede;	2176	cf::cede_to_tick;
1810		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2180	$self->_load_objects ($f)
1812	or return;	2181	or return;
1813		2182
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1815	if delete $self->{load_original};	2184	if delete $self->{load_original};
1816		2185
1817	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2187	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2190	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1822	}	2194	}
1823	}	2195	}
1824		2196
1825	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1826	# now do the right thing for maps	2200	# now do the right thing for maps
1827	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2203	unless $self->difficulty;
1830	Coro::cede;	2204	cf::cede_to_tick;
1831		2205
1832	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2207	$self->decay_objects;
1834	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1835	$self->update_buttons;	2209	$self->update_buttons;
1836	Coro::cede;	2210	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2211	$self->activate;
1840	}	2212	}
1841		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2218	}
1844		2219
1845	$self->post_load;	2220	$self->post_load;
1846	}
1847		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2228	sub customise_for {
1849	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1850		2230
1851	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2232	if $self->per_player;
…		…
1856		2236
1857	$self	2237	$self
1858	}	2238	}
1859		2239
1860	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2241	sub load_neighbours {
1862	my ($map) = @_;	2242	my ($map) = @_;
1863		2243
1864	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1865		2245
1866	for (0 .. 3) {	2246	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1868	or next;	2248	or next;
1869	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1870	or next;	2250	or next;
1871	$neigh->load;	2251	$neigh->load;
1872		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2257	}
1876		2258
1877	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1879	or next;	2262	or next;
1880	$neigh->load;	2263	$neigh->load;
1881	}	2264	}
1882	}	2265	}
1883		2266
1884	sub find_sync {	2267	sub find_sync {
1885	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1886		2269
1887	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1888	}	2274	}
1889		2275
1890	sub do_load_sync {	2276	sub do_load_sync {
1891	my ($map) = @_;	2277	my ($map) = @_;
1892		2278
1893	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1894	}	2283	}
1895		2284
1896	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1898		2287
1899	sub find_async {	2288	sub find_async {
1900	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1901		2290
1902	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1903		2292
1904	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2295	}
1907		2296
1908	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1909	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1910	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2304	if (my $map = find $k) {
1913	$map->load;	2305	$map->load if $v;
1914	}	2306	}
1915		2307
1916	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1917	}	2309	}
1918	}	2310	}
1919	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1920	};	2312	};
1921	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1922		2314
1923	()	2315	()
1924	}	2316	}
1925		2317
		2318	# common code, used by both ->save and ->swapout
1926	sub save {	2319	sub _save {
1927	my ($self) = @_;	2320	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2321
1931	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1932		2323
1933	return unless $self->dirty;	2324	return unless $self->dirty;
1934		2325
…		…
1940	return if $self->{deny_save};	2331	return if $self->{deny_save};
1941		2332
1942	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1943		2334
1944	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1946	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1947		2341
1948	if ($uniq) {	2342	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2345	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2347	}
1954	}	2348	}
1955		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1956	sub swap_out {	2358	sub swap_out {
1957	my ($self) = @_;	2359	my ($self) = @_;
1958		2360
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1964	return if $self->players;	2365	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1968	$self->clear;	2376	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2377	}
1971		2378
1972	sub reset_at {	2379	sub reset_at {
1973	my ($self) = @_;	2380	my ($self) = @_;
1974		2381
…		…
1992		2399
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2401
1995	return if $self->players;	2402	return if $self->players;
1996		2403
1997	warn "resetting map ", $self->path;	2404	cf::trace "resetting map ", $self->path, "\n";
1998		2405
1999	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
2000		2407
2001	# need to save uniques path	2408	# need to save uniques path
2002	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2413	if $uniq;
2007	}	2414	}
2008		2415
2009	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
2010		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2420	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2421
2015	$self->unlink_save;	2422	$self->unlink_save;
2016	$self->destroy;	2423	$self->destroy;
2017	}	2424	}
2018		2425
2019	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
2020		2427
2021	sub nuke {	2428	sub nuke {
2022	my ($self) = @_;	2429	my ($self) = @_;
2023		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
2024	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
2025		2435
2026	$self->unlink_save;	2436	$self->unlink_save;
2027		2437
2028	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2443
2034	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
2035		2446
2036	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
2037	}	2448	}
2038		2449
2039	=item $maps = cf::map::tmp_maps	2450	=item $maps = cf::map::tmp_maps
…		…
2081		2492
2082	sub unique_maps() {	2493	sub unique_maps() {
2083	[	2494	[
2084	map {	2495	map {
2085	utf8::decode $_;	2496	utf8::decode $_;
2086	/\.map$/	2497	s/\.map$//; # TODO future compatibility hack
		2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
2087	? normalise $_	2500	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2501	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2502	]
2091	}	2503	}
2092		2504
2093	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
2094		2536
2095	=back	2537	=back
2096		2538
2097	=head3 cf::object	2539	=head3 cf::object
2098		2540
…		…
2102		2544
2103	=over 4	2545	=over 4
2104		2546
2105	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
2106		2548
2107	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
2108		2551
2109	=cut	2552	=cut
2110		2553
2111	sub inv_recursive_;	2554	sub inv_recursive_;
2112	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
2115		2558
2116	sub inv_recursive {	2559	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
2118	}	2561	}
2119		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
2120	package cf;	2591	package cf;
2121		2592
2122	=back	2593	=back
2123		2594
2124	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
2133		2604
2134	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
2135		2620
2136	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2622	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
2146		2631
2147	} else {	2632	} else {
2148	my $pl = $self->contr;	2633	my $pl = $self->contr;
2149		2634
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2636	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2638
2159	} else {	2639	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2642	}
2163	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
2164	}	2654	}
2165		2655
2166	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
2167		2657
2168	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
2181		2671
2182	=item $player_object->enter_link	2672	=item $player_object->enter_link
2183		2673
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2675
2186	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
2188		2680
2189	Will never block.	2681	Will never block.
2190		2682
2191	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
2192		2684
…		…
2212	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2705	my ($self) = @_;
2214		2706
2215	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
2216		2708
		2709	++$self->{_link_recursion};
		2710
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2712
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
2221		2715
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2717	}
2224		2718
2225	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
2227		2721
…		…
2244	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
2246		2740
2247	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
2250		2744
2251	$map->load;	2745	$map->load;
2252	$map->load_diag;	2746	$map->load_neighbours;
2253		2747
2254	return unless $self->contr->active;	2748	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2749
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
2259	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
2260		2757
		2758	}
		2759
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2761
2263	Moves the player to the given map-path and coordinates by first freezing	2762	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2763	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2764	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2765	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2766	be called at the end of this process.
2268		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
2269	=cut	2771	=cut
2270		2772
2271	our $GOTOGEN;	2773	our $GOTOGEN;
2272		2774
2273	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
2276	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2786
2279	$self->enter_link;	2787	$self->enter_link;
2280		2788
2281	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
2282	my $map = eval {	2811	my $map = eval {
2283	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
2284		2813
2285	if ($map) {	2814	if ($map) {
2286	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2817	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2819	}
2291		2820
2292	$map	2821	$map
2293	};	2822	};
2294		2823
…		…
2300	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
2303	}	2832	}
2304		2833
2305	$done->() if $done;	2834	$done->($self) if $done;
2306	})->prio (1);	2835	})->prio (1);
2307	}	2836	}
2308		2837
2309	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
2310		2839
…		…
2330	}	2859	}
2331		2860
2332	sub prepare_random_map {	2861	sub prepare_random_map {
2333	my ($exit) = @_;	2862	my ($exit) = @_;
2334		2863
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2866	# that depends on the exit object
2340		2867
2341	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2870	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2348	}	2877	}
2349		2878
2350	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2351		2880
2352	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2355		2884
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2887	undef $fh;
2359	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2360		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2363	}	2896	}
2364	}	2897	}
2365		2898
2366	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2368		2901
2369	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2370		2903
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2904	$self->enter_link;
2383		2905
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2906	(async {
2389	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2390	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2391	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2392		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2393	1;	2930	1
2394	}) {	2931	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2936
2400	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	2938	$self->leave_link;
2402	}	2939	}
2403	})->prio (1);	2940	})->prio (1);
2404	}	2941	}
2405		2942
…		…
2419		2956
2420	utf8::encode $text;	2957	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2959	}
2423		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2987
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2988	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2989	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2990	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2991	the message unless the client supports the msg packet.
2430		2992
2431	=cut	2993	=cut
2432		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
2433	sub cf::client::send_msg {	3109	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3110	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3111
2436	$msg = $self->pl->expand_cfpod ($msg);	3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
2437		3133
2438	return unless @extra || length $msg;	3134	return unless @extra || length $msg;
2439		3135
2440	if ($self->can_msg) {	3136	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3138	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3139
2453	if ($color >= 0) {	3140	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3141	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3143	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2464	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2465		3149
2466	Sends an ext event to the client.	3150	Sends an ext event to the client.
2467		3151
2468	=cut	3152	=cut
2469		3153
2470	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2472		3156
2473	return unless $self->extcmd;	3157	if ($self->extcmd == 2) {
2474		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2477	}	3181	}
2478		3182
2479	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2480		3184
2481	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3240	my ($ns, $buf) = @_;
2537		3241
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3243
2540	if (ref $msg) {	3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3252	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3253	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
2547	} else {	3259	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3261	}
2550		3262
2551	cf::override;	3263	cf::override;
2552	},	3264	},
2553	);	3265	);
…		…
2573		3285
2574	$coro	3286	$coro
2575	}	3287	}
2576		3288
2577	cf::client->attach (	3289	cf::client->attach (
2578	on_destroy => sub {	3290	on_client_destroy => sub {
2579	my ($ns) = @_;	3291	my ($ns) = @_;
2580		3292
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3294	},
2583	);	3295	);
…		…
2598	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2600		3312
2601	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2602		3314
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2604		3320
2605	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2606		3322
2607	=pod	3323	=pod
2608		3324
2609	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2610		3326
2611	cf::object	3327	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3328	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3329	insert remove name archname title slaying race decrease split
		3330	value
2614		3331
2615	cf::object::player	3332	cf::object::player
2616	player	3333	player
2617		3334
2618	cf::player	3335	cf::player
…		…
2623		3340
2624	=cut	3341	=cut
2625		3342
2626	for (	3343	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2632	) {	3350	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3353	for @funs;
2637	}	3354	}
2638		3355
…		…
2653		3370
2654	my $qcode = $code;	3371	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2657		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2658	local $_;	3378	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3379
2661	my $eval =	3380	my $eval =
2662	"do {\n"	3381	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3384	. $code
2666	. "\n}"	3385	. "\n}"
2667	;	3386	;
2668		3387
		3388	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2672		3397
2673	if ($@) {	3398	if ($@) {
2674	warn "$@";	3399	warn "$@",
2675	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2677	}	3402	}
2678		3403
2679	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2680	}	3405	}
2681		3406
…		…
2695	=cut	3420	=cut
2696		3421
2697	sub register_script_function {	3422	sub register_script_function {
2698	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2699		3424
2700	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2702	}	3427	}
2703		3428
2704	=back	3429	=back
2705		3430
2706	=cut	3431	=cut
…		…
2709	# the server's init and main functions	3434	# the server's init and main functions
2710		3435
2711	sub load_facedata($) {	3436	sub load_facedata($) {
2712	my ($path) = @_;	3437	my ($path) = @_;
2713		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2714	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2715		3446
2716	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2717	0 < aio_load $path, $facedata
2718	or die "$path: $!";
2719
2720	$facedata = Coro::Storable::thaw $facedata;
2721		3448
2722	$facedata->{version} == 2	3449	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2725	{	3461	{
2726	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2727		3463
2728	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2730	cf::face::set_visibility $idx, $info->{visibility};	3467	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3468	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2734		3472
2735	cf::cede_to_tick;	3473	cf::cede_to_tick;
2736	}	3474	}
2737		3475
2738	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2740	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2741	or next;	3480	or next;
		3481
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3483	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3485	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3487	}
2748		3488
2749	cf::cede_to_tick;	3489	cf::cede_to_tick;
2750	}	3490	}
2751	}	3491	}
…		…
2760		3500
2761	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2762	}	3502	}
2763		3503
2764	{	3504	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3505	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3506
2770	while (my ($name, $info) = each %$res) {	3507	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3508	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3510
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3512	cf::face::set_type $idx, $info->{type};
2782	} else {	3513	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3514	$RESOURCE{$name} = $info; # unused
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3515	}
2789		3516
2790	cf::cede_to_tick;	3517	cf::cede_to_tick;
2791	}	3518	}
2792	}	3519	}
2793		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2794	1	3523	1
2795	}	3524	}
2796		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
2797	sub reload_regions {	3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
2798	load_resource_file "$MAPDIR/regions"	3549	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3550	or die "unable to load regions file\n";
2800		3551
2801	for (cf::region::list) {	3552	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3553	$_->{match} = qr/$_->{match}/
…		…
2810	}	3561	}
2811		3562
2812	sub reload_archetypes {	3563	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3564	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3565	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3566	}
2821		3567
2822	sub reload_treasures {	3568	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2825	}	3571	}
2826		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2827	sub reload_resources {	3593	sub reload_resources {
2828	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2829		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2830	reload_regions;	3601	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3602	reload_treasures;
2835		3603
2836	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2837	}	3605	}
2838		3606
2839	sub init {	3607	sub reload_config {
2840	reload_resources;	3608	trace "reloading config file...\n";
2841	}
2842		3609
2843	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3611	utf8::decode $config;
2845	or return;	3612	*CFG = decode_yaml $config;
2846		3613
2847	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;
2849
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851		3615
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854		3618
2855	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2859	};	3623	};
2860	warn $@ if $@;	3624	warn $@ if $@;
2861	}	3625	}
2862	}	3626	}
2863		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2864	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2865	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3669	(async {
2869	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2871	};	3673	};
2872		3674
2873	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2874	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2875	load_extensions;	3698	load_extensions;
2876		3699
2877	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2879	}	3718	}
2880		3719
2881	#############################################################################	3720	#############################################################################
2882	# initialisation and cleanup	3721	# initialisation and cleanup
2883		3722
2884	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2885	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2894	},
2895	);	3729	};
2896	}	3730	}
2897	}	3731	}
2898		3732
2899	sub write_runtime {	3733	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3734	my $t0 = AE::time;
2901		3735
2902	# first touch the runtime file to show we are still running:	3736	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3737	# the fsync below can take a very very long time.
2904		3738
2905	IO::AIO::aio_utime $runtime, undef, undef;	3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3740
2907	my $guard = cf::lock_acquire "write_runtime";	3741	my $guard = cf::lock_acquire "write_runtime";
2908		3742
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3744	or return;
2911		3745
2912	my $value = $cf::RUNTIME + 90 + 10;	3746	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3747	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3748	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3758	aio_utime $fh, undef, undef;
2925		3759
2926	close $fh	3760	close $fh
2927	or return;	3761	or return;
2928		3762
2929	aio_rename "$runtime~", $runtime	3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3764	and return;
2931		3765
2932	warn "runtime file written.\n";	3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3767
2934	1	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2935	}	3819	}
2936		3820
2937	sub emergency_save() {	3821	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2939		3823
2940	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2941		3830
2942	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2943	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3842	$pl->save;
2951	}	3843	}
2952	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2953		3845
2954	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3851	$map->valid or next;
2958	$map->save;	3852	$map->save;
2959	}	3853	}
2960	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2961		3855
2962	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2965	};	3884	};
2966		3885
2967	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2968	}	3887	}
2969		3888
2970	sub post_cleanup {	3889	sub post_cleanup {
2971	my ($make_core) = @_;	3890	my ($make_core) = @_;
2972		3891
		3892	IO::AIO::flush;
		3893
2973	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2975	}	3924	}
2976		3925
2977	sub do_reload_perl() {	3926	sub do_reload_perl() {
2978	# can/must only be called in main	3927	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2980	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2981	return;	3930	return;
2982	}	3931	}
2983		3932
2984	warn "reloading...";	3933	return if $RELOAD++;
2985		3934
2986	warn "entering sync_job";	3935	my $t1 = AE::time;
2987		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2988	cf::sync_job {	3943	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark
2990	cf::emergency_save;	3944	#cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark
2992		3945
2993	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996	# if anything goes wrong in here, we should simply crash as we already saved
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();	3948	%EXT_CORO = ();
3017		3949
3018	warn "removing commands";	3950	trace "perl_reload: removing commands";
3019	%COMMAND = ();	3951	%COMMAND = ();
3020		3952
3021	warn "removing ext/exti commands";	3953	trace "perl_reload: removing ext/exti commands";
3022	%EXTCMD = ();	3954	%EXTCMD = ();
3023	%EXTICMD = ();	3955	%EXTICMD = ();
3024		3956
3025	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
3028		3960
3029	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
3030	eval {	3962	eval {
3031	$cb->($pkg);	3963	$cb->($pkg);
3032	1	3964	1
3033	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
3034	}	3970	}
3035		3971
3036	warn "... nuking $pkg";
3037	Symbol::delete_package $pkg;
3038	}
3039
3040	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3041	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3975
3044	warn "... unloading $k";	3976	trace "... unloading $k";
3045	delete $INC{$k};	3977	delete $INC{$k};
3046		3978
3047	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
3049		3981
3050	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
3051	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
3052	}	3987	}
3053		3988
3054	Symbol::delete_package $k;
3055	}
3056
3057	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3992
3061	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3996
3065	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3998	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
3068		4000
3069	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
3070		4002
3071	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
3072	require cf;	4004	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
3074		4006
3075	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
3076	cf::cfg_load;	4008	cf::reload_config;
3077		4009
3078	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
3079	cf::load_extensions;	4011	cf::load_extensions;
3080		4012
		4013	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
3084	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
3087		4021
3088	warn "leaving sync_job";	4022	cf::_post_init 1;
3089		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
3090	1	4026	1
3091	} or do {	4027	} or do {
3092	warn $@;	4028	error $@;
3093	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
3094	exit 1;	4030	};
		4031
		4032	--$RELOAD;
3095	};	4033	}
3096		4034
3097	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
3098	};	4037	};
3099		4038
3100	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
3101		4040
3102	sub reload_perl() {	4041	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
3105		4044
3106	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	4047
3109	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	4049	do_reload_perl;
3112	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
3113	},	4051	};
3114	);	4052	};
3115	}	4053	}
3116		4054
3117	register_command "reload" => sub {	4055	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
3119		4057
3120	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	4062	reload_perl;
		4063	};
3123	}	4064	}
3124	};	4065	};
3125		4066
3126	unshift @INC, $LIBDIR;	4067	#############################################################################
3127		4068
3128	my $bug_warning = 0;	4069	my $bug_warning = 0;
3129		4070
3130	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
3132		4073
3133	sub wait_for_tick {	4074	sub wait_for_tick() {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136		4076
3137	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	4079	$signal->wait;
3140	}	4080	}
3141		4081
3142	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145		4084
3146	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	4087	$signal->wait;
3149	}	4088	}
3150		4089
3151	my $min = 1e6;#d#	4090	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
3163	return;	4094	return;
3164	}	4095	}
3165		4096
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
3169		4098
3170	0 && sync_job {#d#	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171	for(1..10) {
3172	my $t = Event::time;
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174	or die;
3175		4100
3176	$map->width (50);	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	$map->height (50);	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	$map->alloc;	4103	Coro::async_pool {
3179	$map->_load_objects ("/tmp/x.map", 1);	4104	$Coro::current->{desc} = "runtime saver";
3180	my $t = Event::time - $t;	4105	write_runtime_sync
3181		4106	or error "ERROR: unable to write runtime file: $!";
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	4107	};
		4108	}
3192		4109
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4111	$sig->send;
3209	}	4112	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	4114	$sig->send;
3212	}	4115	}
3213		4116
3214	$NOW = Event::time;	4117	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4119
3225	_post_tick;	4120	if (0) {
3226		4121	if ($NEXT_TICK) {
3227		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
3228	},	4126	}
3229	);	4127	}
3230		4128
3231	{	4129	{
3232	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4131
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
3242		4133	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4135
3258	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4143
3261	cf::sync_job {	4144	cf::sync_job {
3262	eval {	4145	eval {
3263	BDB::db_env_open	4146	BDB::db_env_open
3264	$DB_ENV,	4147	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4151	0666;
3269		4152
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4154	};
3275		4155
3276	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4157	};
3278	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
3279	}	4169	}
3280		4170
3281	{	4171	{
		4172	# configure IO::AIO
		4173
3282	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4177	}
3295		4178
3296	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
3297		4181
3298	sub _log_backtrace {	4182	sub _log_backtrace {
3299	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
3300		4184
3301	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
3302		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3303	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
3305	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
3306	async {	4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
3307	my @bt = fork_call {	4198	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4202	or die "addr2line: $!";
…		…
3319	}	4210	}
3320		4211
3321	@funcs	4212	@funcs
3322	};	4213	};
3323		4214
3324	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4218	--$_log_backtrace;
3327	};	4219	};
3328	} else {	4220	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3331	}	4223	}
3332	}	4224	}
3333		4225
3334	# load additional modules	4226	# load additional modules
3335	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3336		4229
3337	END { cf::emergency_save }	4230	END { cf::emergency_save }
3338		4231
3339	1	4232	1
3340		4233

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