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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.302 by root, Tue Jul 10 16:23:59 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 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
		1561	last;
		1562	}
1195	}	1563	}
1196	};	1564	};
1197	}	1565	}
1198		1566
1199	#############################################################################	1567	#############################################################################
1200		1568
1201	=back	1569	=back
1202		1570
1203	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1204		1572
1205	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1206		1574
1207	=cut	1575	=cut
1208		1576
1209	package cf::player;	1577	package cf::player;
1210		1578
1211	use Coro::AIO;	1579	use Coro::AIO;
1212		1580
1213	=head3 cf::player	1581	=head3 cf::player
1214		1582
1215	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1216		1598
1217	=item cf::player::find $login	1599	=item cf::player::find $login
1218		1600
1219	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1220		1602
…		…
1239		1621
1240	sub exists($) {	1622	sub exists($) {
1241	my ($login) = @_;	1623	my ($login) = @_;
1242		1624
1243	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1245	}	1627	}
1246		1628
1247	sub find($) {	1629	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1631	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1642
1261	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1264	}	1652	}
1265	}	1653	}
1266	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1267		1668
1268	sub save($) {	1669	sub save($) {
1269	my ($pl) = @_;	1670	my ($pl) = @_;
1270		1671
1271	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1277		1678
1278	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1280		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1281	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1282	Coro::cede;	1688	cf::cede_to_tick;
1283	}	1689	}
1284		1690
1285	sub new($) {	1691	sub new($) {
1286	my ($login) = @_;	1692	my ($login) = @_;
1287		1693
…		…
1293	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1294		1700
1295	$self	1701	$self
1296	}	1702	}
1297		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1298	=item $pl->quit_character	1714	=item $pl->quit_character
1299		1715
1300	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1302		1718
…		…
1306	my ($pl) = @_;	1722	my ($pl) = @_;
1307		1723
1308	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1309		1725
1310	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1728
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1316	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1317		1737
1318	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1355	or return [];	1775	or return [];
1356		1776
1357	my @logins;	1777	my @logins;
1358		1778
1359	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1363		1789
1364	utf8::decode $login;	1790	utf8::decode $login;
1365	push @logins, $login;	1791	push @logins, $login;
1366	}	1792	}
1367		1793
1368	\@logins	1794	\@logins
1369	}	1795	}
1370		1796
1371	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1372		1800
1373	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1374	player. May block.	1802	player. May block.
1375		1803
1376	=cut	1804	=cut
…		…
1394	}	1822	}
1395		1823
1396	\@paths	1824	\@paths
1397	}	1825	}
1398		1826
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1828
1401	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1402		1830
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)	1831	=item $player->ext_reply ($msgid, @msg)
1450		1832
1451	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1452		1834
1453	=cut	1835	=cut
1454		1836
1455	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1457		1839
1458	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1841	}
1461		1842
1462	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1463		1844
1464	Sends an ext event to the client.	1845	Sends an ext event to the client.
1465		1846
1466	=cut	1847	=cut
1467		1848
1468	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1470		1851
1471	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1472	}	1853	}
1473		1854
1474	=head3 cf::region	1855	=head3 cf::region
1475		1856
1476	=over 4	1857	=over 4
…		…
1486	=cut	1867	=cut
1487		1868
1488	sub find_by_path($) {	1869	sub find_by_path($) {
1489	my ($path) = @_;	1870	my ($path) = @_;
1490		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1491	my ($match, $specificity);	1874	my ($match, $specificity);
1492		1875
1493	for my $region (list) {	1876	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1497	}	1880	}
1498	}	1881	}
1499		1882
…		…
1520	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1522		1905
1523	sub generate_random_map {	1906	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1526	$self->_create_random_map (	1911	$self->_create_random_map ($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}), $rmp->{custom}
1538	)
1539	}	1912	}
1540		1913
1541	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1542		1915
1543	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1548		1921
1549	sub register {	1922	sub register {
1550	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1924	my $pkg = caller;
1552		1925
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1927
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1929	}
1558		1930
1559	# also paths starting with '/'	1931	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1933
1562	sub thawer_merge {	1934	sub thawer_merge {
1563	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1564		1936
1565	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1570	}	1942	}
1571		1943
1572	sub normalise {	1944	sub normalise {
1573	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1574		1946
1575	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1576		1948
1577	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1578		1950
1579	# map plan:	1951	# map plan:
1580	#	1952	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1968	$path = "$base/$path";
1597	}	1969	}
1598		1970
1599	for ($path) {	1971	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1603	}	1974	}
1604		1975
1605	$path	1976	$path
…		…
1619	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1620	return $self;	1991	return $self;
1621	}	1992	}
1622	}	1993	}
1623		1994
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1996	()
1626	}	1997	}
1627		1998
		1999	# may re-bless or do other evil things
1628	sub init {	2000	sub init {
1629	my ($self) = @_;	2001	my ($self) = @_;
1630		2002
1631	$self	2003	$self
1632	}	2004	}
…		…
1651		2023
1652	# the temporary/swap location	2024	# the temporary/swap location
1653	sub save_path {	2025	sub save_path {
1654	my ($self) = @_;	2026	my ($self) = @_;
1655		2027
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1658	}	2030	}
1659		2031
1660	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1661	sub uniq_path {	2033	sub uniq_path {
1662	my ($self) = @_;	2034	my ($self) = @_;
1663		2035
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1675	}	2038	}
1676		2039
1677	sub decay_objects {	2040	sub decay_objects {
1678	my ($self) = @_;	2041	my ($self) = @_;
1679		2042
…		…
1692		2055
1693	sub load_header_from($) {	2056	sub load_header_from($) {
1694	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1695		2058
1696	utf8::encode $path;	2059	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1702		2068
1703	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1704		2070
1705	1	2071	1
1706	}	2072	}
…		…
1758		2124
1759	sub find;	2125	sub find;
1760	sub find {	2126	sub find {
1761	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1762		2128
		2129	cf::cede_to_tick;
		2130
1763	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1764		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2135
1767	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1770	or return;	2138	or return;
1771		2139
1772	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1773		2141
…		…
1775	or return;	2143	or return;
1776		2144
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1780	$map->reset;	2150	$map->reset;
1781	undef $guard;
1782	return find $path;	2151	return find $path;
1783	}	2152	}
1784		2153
1785	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1786	}	2155	}
1787	}	2156	}
1788		2157
1789	sub pre_load { }	2158	sub pre_load { }
1790	sub post_load { }	2159	#sub post_load { } # XS
1791		2160
1792	sub load {	2161	sub load {
1793	my ($self) = @_;	2162	my ($self) = @_;
1794		2163
1795	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1796		2165
1797	my $path = $self->{path};	2166	my $path = $self->{path};
1798		2167
1799	{	2168	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1801		2170
		2171	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2173
1804	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1805		2175
1806	$self->alloc;	2176	$self->alloc;
1807		2177
1808	$self->pre_load;	2178	$self->pre_load;
1809	Coro::cede;	2179	cf::cede_to_tick;
1810		2180
1811	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1812	or return;	2185	or return;
1813		2186
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1815	if delete $self->{load_original};	2188	if delete $self->{load_original};
1816		2189
1817	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2191	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2194	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1822	}	2199	}
1823	}
1824		2200
1825	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1826	# now do the right thing for maps	2205	# now do the right thing for maps
1827	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2208	unless $self->difficulty;
1830	Coro::cede;	2209	cf::cede_to_tick;
1831		2210
1832	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2212	$self->decay_objects;
1834	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1835	$self->update_buttons;	2214	$self->update_buttons;
1836	Coro::cede;	2215	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2216	$self->activate;
1840	}	2217	}
1841		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2223	}
1844		2224
1845	$self->post_load;	2225	$self->post_load;
1846	}
1847		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2233	sub customise_for {
1849	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1850		2235
1851	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2237	if $self->per_player;
…		…
1856		2241
1857	$self	2242	$self
1858	}	2243	}
1859		2244
1860	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2246	sub load_neighbours {
1862	my ($map) = @_;	2247	my ($map) = @_;
1863		2248
1864	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1865		2250
1866	for (0 .. 3) {	2251	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1868	or next;	2253	or next;
1869	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1870	or next;	2255	or next;
1871	$neigh->load;	2256	$neigh->load;
1872		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2262	}
1876		2263
1877	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1879	or next;	2267	or next;
1880	$neigh->load;	2268	$neigh->load;
1881	}	2269	}
1882	}	2270	}
1883		2271
1884	sub find_sync {	2272	sub find_sync {
1885	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1886		2274
1887	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1888	}	2279	}
1889		2280
1890	sub do_load_sync {	2281	sub do_load_sync {
1891	my ($map) = @_;	2282	my ($map) = @_;
1892		2283
1893	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1894	}	2288	}
1895		2289
1896	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1898		2292
1899	sub find_async {	2293	sub find_async {
1900	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1901		2295
1902	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1903		2297
1904	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2300	}
1907		2301
1908	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1909	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1910	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2309	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2310	$map->load if $v;
		2311	}
1915		2312
1916	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1917	}	2314	}
1918	}	2315	}
1919	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1920	};	2317	};
1921	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1922		2319
1923	()	2320	()
1924	}	2321	}
1925		2322
		2323	# common code, used by both ->save and ->swapout
1926	sub save {	2324	sub _save {
1927	my ($self) = @_;	2325	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2326
1931	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1932		2328
1933	return unless $self->dirty;	2329	return unless $self->dirty;
1934		2330
…		…
1940	return if $self->{deny_save};	2336	return if $self->{deny_save};
1941		2337
1942	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1943		2339
1944	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1946	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1947		2346
1948	if ($uniq) {	2347	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2350	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2352	}
1954	}	2353	}
1955		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1956	sub swap_out {	2363	sub swap_out {
1957	my ($self) = @_;	2364	my ($self) = @_;
1958		2365
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1964	return if $self->players;	2370	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1968	$self->clear;	2381	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2382	}
1971		2383
1972	sub reset_at {	2384	sub reset_at {
1973	my ($self) = @_;	2385	my ($self) = @_;
1974		2386
…		…
1992		2404
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2406
1995	return if $self->players;	2407	return if $self->players;
1996		2408
1997	warn "resetting map ", $self->path;	2409	cf::trace "resetting map ", $self->path, "\n";
1998		2410
1999	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
2000		2412
2001	# need to save uniques path	2413	# need to save uniques path
2002	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2418	if $uniq;
2007	}	2419	}
2008		2420
2009	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
2010		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2425	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2426
2015	$self->unlink_save;	2427	$self->unlink_save;
2016	$self->destroy;	2428	$self->destroy;
2017	}	2429	}
2018		2430
2019	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
2020		2432
2021	sub nuke {	2433	sub nuke {
2022	my ($self) = @_;	2434	my ($self) = @_;
2023		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
2024	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2025		2440
2026	$self->unlink_save;	2441	$self->unlink_save;
2027		2442
2028	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2448
2034	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
2035		2451
2036	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
2037	}	2453	}
2038		2454
2039	=item $maps = cf::map::tmp_maps	2455	=item $maps = cf::map::tmp_maps
…		…
2081		2497
2082	sub unique_maps() {	2498	sub unique_maps() {
2083	[	2499	[
2084	map {	2500	map {
2085	utf8::decode $_;	2501	utf8::decode $_;
2086	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2087	? normalise $_	2505	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2507	]
2091	}	2508	}
2092		2509
2093	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2094		2541
2095	=back	2542	=back
2096		2543
2097	=head3 cf::object	2544	=head3 cf::object
2098		2545
…		…
2102		2549
2103	=over 4	2550	=over 4
2104		2551
2105	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2106		2553
2107	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2108		2556
2109	=cut	2557	=cut
2110		2558
2111	sub inv_recursive_;	2559	sub inv_recursive_;
2112	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2115		2563
2116	sub inv_recursive {	2564	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2118	}	2566	}
2119		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
2120	package cf;	2596	package cf;
2121		2597
2122	=back	2598	=back
2123		2599
2124	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	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	2607	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2133		2609
2134	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
2135		2625
2136	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2627	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
2146		2636
2147	} else {	2637	} else {
2148	my $pl = $self->contr;	2638	my $pl = $self->contr;
2149		2639
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2642	$dialog->{pl}->ext_msg ($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		2643
2159	} else {	2644	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2647	}
2163	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
2164	}	2659	}
2165		2660
2166	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
2167		2662
2168	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
2181		2676
2182	=item $player_object->enter_link	2677	=item $player_object->enter_link
2183		2678
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2680
2186	The player should be reasonably safe there for short amounts of time. You	2681	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.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2188		2685
2189	Will never block.	2686	Will never block.
2190		2687
2191	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2192		2689
…		…
2212	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2710	my ($self) = @_;
2214		2711
2215	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2216		2713
		2714	++$self->{_link_recursion};
		2715
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2717
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2221		2720
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2722	}
2224		2723
2225	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2227		2726
…		…
2244	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2246		2745
2247	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2250		2749
2251	$map->load;	2750	$map->load;
2252	$map->load_diag;	2751	$map->load_neighbours;
2253		2752
2254	return unless $self->contr->active;	2753	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2754
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2259	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2260		2762
		2763	}
		2764
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2766
2263	Moves the player to the given map-path and coordinates by first freezing	2767	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	2768	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	2769	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
2267		2775
2268	=cut	2776	=cut
2269		2777
2270	our $GOTOGEN;	2778	our $GOTOGEN;
2271		2779
2272	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
2274		2788
2275	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2791
2278	$self->enter_link;	2792	$self->enter_link;
2279		2793
2280	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2281	my $map = eval {	2816	my $map = eval {
2282	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2283		2818
2284	if ($map) {	2819	if ($map) {
2285	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2822	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2824	}
2290		2825
2291	$map	2826	$map
2292	};	2827	};
2293		2828
…		…
2298		2833
2299	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2302	}	2837	}
		2838
		2839	$done->($self) if $done;
2303	})->prio (1);	2840	})->prio (1);
2304	}	2841	}
2305		2842
2306	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2307		2844
…		…
2327	}	2864	}
2328		2865
2329	sub prepare_random_map {	2866	sub prepare_random_map {
2330	my ($exit) = @_;	2867	my ($exit) = @_;
2331		2868
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2871	# that depends on the exit object
2337		2872
2338	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2875	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2345	}	2882	}
2346		2883
2347	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2348		2885
2349	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2352		2889
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2892	undef $fh;
2356	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2357		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2360	}	2901	}
2361	}	2902	}
2362		2903
2363	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2365		2906
2366	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2367		2908
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2909	$self->enter_link;
2380		2910
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2911	(async {
2386	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2387	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2388	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2389		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2390	1;	2935	1
2391	}) {	2936	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2941
2397	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2943	$self->leave_link;
2399	}	2944	}
2400	})->prio (1);	2945	})->prio (1);
2401	}	2946	}
2402		2947
…		…
2416		2961
2417	utf8::encode $text;	2962	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2964	}
2420		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2992
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2994	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2427		2997
2428	=cut	2998	=cut
2429		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
2430	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3116
2433	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
2434		3138
2435	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2436		3140
2437	if ($self->can_msg) {	3141	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3143	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3144
2450	if ($color >= 0) {	3145	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3146	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3148	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2461	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2462		3154
2463	Sends an ext event to the client.	3155	Sends an ext event to the client.
2464		3156
2465	=cut	3157	=cut
2466		3158
2467	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2469		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2472	}	3186	}
2473		3187
2474	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2475		3189
2476	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3245	my ($ns, $buf) = @_;
2532		3246
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3248
2535	if (ref $msg) {	3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3257	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3258	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
2542	} else {	3264	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3266	}
2545		3267
2546	cf::override;	3268	cf::override;
2547	},	3269	},
2548	);	3270	);
…		…
2568		3290
2569	$coro	3291	$coro
2570	}	3292	}
2571		3293
2572	cf::client->attach (	3294	cf::client->attach (
2573	on_destroy => sub {	3295	on_client_destroy => sub {
2574	my ($ns) = @_;	3296	my ($ns) = @_;
2575		3297
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3299	},
2578	);	3300	);
…		…
2593	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2595		3317
2596	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2597		3319
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2599		3325
2600	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2601		3327
2602	=pod	3328	=pod
2603		3329
2604	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2605		3331
2606	cf::object	3332	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3333	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3334	insert remove name archname title slaying race decrease split
		3335	value
2609		3336
2610	cf::object::player	3337	cf::object::player
2611	player	3338	player
2612		3339
2613	cf::player	3340	cf::player
…		…
2618		3345
2619	=cut	3346	=cut
2620		3347
2621	for (	3348	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2627	) {	3355	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3358	for @funs;
2632	}	3359	}
2633		3360
…		…
2648		3375
2649	my $qcode = $code;	3376	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2652		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2653	local $_;	3383	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3384
2656	my $eval =	3385	my $eval =
2657	"do {\n"	3386	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3389	. $code
2661	. "\n}"	3390	. "\n}"
2662	;	3391	;
2663		3392
		3393	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2667		3402
2668	if ($@) {	3403	if ($@) {
2669	warn "$@";	3404	warn "$@",
2670	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2672	}	3407	}
2673		3408
2674	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2675	}	3410	}
2676		3411
…		…
2690	=cut	3425	=cut
2691		3426
2692	sub register_script_function {	3427	sub register_script_function {
2693	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2694		3429
2695	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2697	}	3432	}
2698		3433
2699	=back	3434	=back
2700		3435
2701	=cut	3436	=cut
…		…
2704	# the server's init and main functions	3439	# the server's init and main functions
2705		3440
2706	sub load_facedata($) {	3441	sub load_facedata($) {
2707	my ($path) = @_;	3442	my ($path) = @_;
2708		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2709	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2710		3451
2711	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3453
2717	$facedata->{version} == 2	3454	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2720	{	3466	{
2721	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2722		3468
2723	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2725	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2729		3477
2730	cf::cede_to_tick;	3478	cf::cede_to_tick;
2731	}	3479	}
2732		3480
2733	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2735	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2736	or next;	3485	or next;
		3486
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3490	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3492	}
2743		3493
2744	cf::cede_to_tick;	3494	cf::cede_to_tick;
2745	}	3495	}
2746	}	3496	}
…		…
2755		3505
2756	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2757	}	3507	}
2758		3508
2759	{	3509	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3511
2765	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3513	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright},
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2777	cf::face::set_type $idx, 1;	3517	cf::face::set_type $idx, $info->{type};
2778	cf::face::set_data $idx, 0, $data, $chk;	3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
2779		3521
2780	# TODO
2781	cf::cede_to_tick;	3522	cf::cede_to_tick;
2782	}	3523	}
2783	}	3524	}
2784		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2785	1	3528	1
2786	}	3529	}
2787		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
2788	sub reload_regions {	3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
2789	load_resource_file "$MAPDIR/regions"	3554	load_resource_file "$MAPDIR/regions"
2790	or die "unable to load regions file\n";	3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
2791	}	3561	}
2792		3562
2793	sub reload_facedata {	3563	sub reload_facedata {
2794	load_facedata "$DATADIR/facedata"	3564	load_facedata "$DATADIR/facedata"
2795	or die "unable to load facedata\n";	3565	or die "unable to load facedata\n";
2796	}	3566	}
2797		3567
2798	sub reload_archetypes {	3568	sub reload_archetypes {
2799	load_resource_file "$DATADIR/archetypes"	3569	load_resource_file "$DATADIR/archetypes"
2800	or die "unable to load archetypes\n";	3570	or die "unable to load archetypes\n";
2801	#d# NEED to laod twice to resolve forward references
2802	# this really needs to be done in an extra post-pass
2803	# (which needs to be synchronous, so solve it differently)
2804	load_resource_file "$DATADIR/archetypes"
2805	or die "unable to load archetypes\n";
2806	}	3571	}
2807		3572
2808	sub reload_treasures {	3573	sub reload_treasures {
2809	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
2810	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
2811	}	3576	}
2812		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2813	sub reload_resources {	3598	sub reload_resources {
2814	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
2815		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
2816	reload_regions;	3606	reload_regions;
2817	reload_facedata;
2818	#reload_archetypes;#d#
2819	reload_archetypes;
2820	reload_treasures;	3607	reload_treasures;
2821		3608
2822	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
2823	}	3610	}
2824		3611
2825	sub init {	3612	sub reload_config {
2826	reload_resources;	3613	trace "reloading config file...\n";
2827	}
2828		3614
2829	sub cfg_load {	3615	my $config = load_file "$CONFDIR/config";
2830	open my $fh, "<:utf8", "$CONFDIR/config"	3616	utf8::decode $config;
2831	or return;	3617	*CFG = decode_yaml $config;
2832		3618
2833	local $/;
2834	*CFG = YAML::Syck::Load <$fh>;
2835
2836	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2837		3620
2838	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2839	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2840		3623
2841	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2845	};	3628	};
2846	warn $@ if $@;	3629	warn $@ if $@;
2847	}	3630	}
2848	}	3631	}
2849		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2850	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2851	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2852	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2854	(async {	3674	(async {
2855	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2856	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2857	};	3678	};
2858		3679
2859	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2860	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2861	load_extensions;	3703	load_extensions;
2862		3704
2863	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2864	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2865	}	3723	}
2866		3724
2867	#############################################################################	3725	#############################################################################
2868	# initialisation and cleanup	3726	# initialisation and cleanup
2869		3727
2870	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2871	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2872	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2873	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2874	reentrant => 0,
2875	data => WF_AUTOCANCEL,
2876	signal => $signal,
2877	prio => 0,
2878	cb => sub {
2879	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2880	},
2881	);	3734	};
2882	}	3735	}
2883	}	3736	}
2884		3737
2885	sub write_runtime {	3738	sub write_runtime_sync {
2886	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
2887		3740
2888	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
2889	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
2890		3743
2891	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2892		3745
2893	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
2894		3747
2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2896	or return;	3749	or return;
2897		3750
2898	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
2899	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
2900	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
2910	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
2911		3764
2912	close $fh	3765	close $fh
2913	or return;	3766	or return;
2914		3767
2915	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2916	and return;	3769	and return;
2917		3770
2918	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2919		3772
2920	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2921	}	3824	}
2922		3825
2923	sub emergency_save() {	3826	sub emergency_save() {
2924	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2925		3828
2926	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2927		3835
2928	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2929	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2930	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2931	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2932	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2933	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2934	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2935	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2936	$pl->save;	3847	$pl->save;
2937	}	3848	}
2938	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2939		3850
2940	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2941	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2942	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2943	$map->valid or next;	3856	$map->valid or next;
2944	$map->save;	3857	$map->save;
2945	}	3858	}
2946	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2947		3860
2948	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2950	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2951	};	3889	};
2952		3890
2953	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2954	}	3892	}
2955		3893
2956	sub post_cleanup {	3894	sub post_cleanup {
2957	my ($make_core) = @_;	3895	my ($make_core) = @_;
2958		3896
		3897	IO::AIO::flush;
		3898
2959	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2960	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
2961	}	3929	}
2962		3930
2963	sub do_reload_perl() {	3931	sub do_reload_perl() {
2964	# can/must only be called in main	3932	# can/must only be called in main
2965	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2966	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2967	return;	3935	return;
2968	}	3936	}
2969		3937
2970	warn "reloading...";	3938	return if $RELOAD++;
2971		3939
2972	warn "entering sync_job";	3940	my $t1 = AE::time;
2973		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2974	cf::sync_job {	3948	cf::sync_job {
2975	cf::write_runtime; # external watchdog should not bark
2976	cf::emergency_save;	3949	#cf::emergency_save;
2977	cf::write_runtime; # external watchdog should not bark
2978		3950
2979	warn "syncing database to disk";
2980	BDB::db_env_txn_checkpoint $DB_ENV;
2981
2982	# if anything goes wrong in here, we should simply crash as we already saved
2983
2984	warn "cancelling all WF_AUTOCANCEL watchers";
2985	for (Event::all_watchers) {
2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2987	}
2988
2989	warn "flushing outstanding aio requests";
2990	for (;;) {
2991	BDB::flush;
2992	IO::AIO::flush;
2993	Coro::cede;
2994	last unless IO::AIO::nreqs || BDB::nreqs;
2995	warn "iterate...";
2996	}
2997
2998	++$RELOAD;
2999
3000	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3001	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3002	%EXT_CORO = ();	3953	%EXT_CORO = ();
3003		3954
3004	warn "removing commands";	3955	trace "perl_reload: removing commands";
3005	%COMMAND = ();	3956	%COMMAND = ();
3006		3957
3007	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3008	%EXTCMD = ();	3959	%EXTCMD = ();
3009	%EXTICMD = ();	3960	%EXTICMD = ();
3010		3961
3011	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3012	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3013	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3014		3965
3015	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3016	eval {	3967	eval {
3017	$cb->($pkg);	3968	$cb->($pkg);
3018	1	3969	1
3019	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
3020	}	3975	}
3021		3976
3022	warn "... nuking $pkg";
3023	Symbol::delete_package $pkg;
3024	}
3025
3026	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3027	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3029		3980
3030	warn "... unloading $k";	3981	trace "... unloading $k";
3031	delete $INC{$k};	3982	delete $INC{$k};
3032		3983
3033	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3034	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3035		3986
3036	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
3037	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
3038	}	3992	}
3039		3993
3040	Symbol::delete_package $k;
3041	}
3042
3043	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3044	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3046		3997
3047	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3048	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3049	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3050		4001
3051	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3052	# and global variables created in xs	4003	# and global variables created in xs
3053	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3054		4005
3055	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3056		4007
3057	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3058	require cf;	4009	require cf;
3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3060		4011
3061	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3062	cf::cfg_load;	4013	cf::reload_config;
3063		4014
3064	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3065	cf::load_extensions;	4016	cf::load_extensions;
3066		4017
		4018	if ($REATTACH_ON_RELOAD) {
3067	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3068	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3069	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3070	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3071	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3072	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3073		4026
3074	warn "leaving sync_job";	4027	cf::_post_init 1;
3075		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
3076	1	4031	1
3077	} or do {	4032	} or do {
3078	warn $@;	4033	error $@;
3079	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3080	exit 1;	4035	};
		4036
		4037	--$RELOAD;
3081	};	4038	}
3082		4039
3083	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3084	};	4042	};
3085		4043
3086	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3087		4045
3088	sub reload_perl() {	4046	sub reload_perl() {
3089	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3090	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3091		4049
3092	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3093	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3094	after => 0,	4052
3095	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3096	cb => sub {
3097	do_reload_perl;	4054	do_reload_perl;
3098	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3099	},	4056	};
3100	);	4057	};
3101	}	4058	}
3102		4059
3103	register_command "reload" => sub {	4060	register_command "reload" => sub {
3104	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3105		4062
3106	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3107	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3108	async { reload_perl };	4067	reload_perl;
		4068	};
3109	}	4069	}
3110	};	4070	};
3111		4071
3112	unshift @INC, $LIBDIR;	4072	#############################################################################
3113		4073
3114	my $bug_warning = 0;	4074	my $bug_warning = 0;
3115		4075
3116	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3117	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3118		4078
3119	sub wait_for_tick {	4079	sub wait_for_tick() {
3120	return unless $TICK_WATCHER->is_active;
3121	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3122		4081
3123	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3124	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3125	$signal->wait;	4084	$signal->wait;
3126	}	4085	}
3127		4086
3128	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3129	return unless $TICK_WATCHER->is_active;
3130	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3131		4089
3132	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3133	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3134	$signal->wait;	4092	$signal->wait;
3135	}	4093	}
3136		4094
3137	my $min = 1e6;#d#	4095	sub tick {
3138	my $avg = 10;
3139	$TICK_WATCHER = Event->timer (
3140	reentrant => 0,
3141	parked => 1,
3142	prio => 0,
3143	at => $NEXT_TICK || $TICK,
3144	data => WF_AUTOCANCEL,
3145	cb => sub {
3146	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3148	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3149	return;	4099	return;
3150	}	4100	}
3151		4101
3152	$NOW = $tick_start = Event::time;
3153
3154	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3155		4103
3156	0 && sync_job {#d#	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3157	for(1..10) {
3158	my $t = Event::time;
3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3160	or die;
3161		4105
3162	$map->width (50);	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3163	$map->height (50);	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3164	$map->alloc;	4108	Coro::async_pool {
3165	$map->_load_objects ("/tmp/x.map", 1);	4109	$Coro::current->{desc} = "runtime saver";
3166	my $t = Event::time - $t;	4110	write_runtime_sync
3167		4111	or error "ERROR: unable to write runtime file: $!";
3168	#next unless $t < 0.0013;#d#
3169	if ($t < $min) {
3170	$min = $t;
3171	}
3172	$avg = $avg * 0.99 + $t * 0.01;
3173	}
3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3175	exit 0;
3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3177	};	4112	};
		4113	}
3178		4114
3179	$RUNTIME += $TICK;
3180	$NEXT_TICK += $TICK;
3181
3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
3184	Coro::async_pool {
3185	write_runtime
3186	or warn "ERROR: unable to write runtime file: $!";
3187	};
3188	}
3189
3190	# my $AFTER = Event::time;
3191	# warn $AFTER - $NOW;#d#
3192
3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3194	$sig->send;	4116	$sig->send;
3195	}	4117	}
3196	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3197	$sig->send;	4119	$sig->send;
3198	}	4120	}
3199		4121
3200	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3201
3202	# if we are delayed by four ticks or more, skip them all
3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3204
3205	$TICK_WATCHER->at ($NEXT_TICK);
3206	$TICK_WATCHER->start;
3207
3208	$LOAD = ($NOW - $tick_start) / $TICK;
3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3210		4124
3211	_post_tick;	4125	if (0) {
3212		4126	if ($NEXT_TICK) {
3213		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3214	},	4131	}
3215	);	4132	}
3216		4133
3217	{	4134	{
3218	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3219	$BDB_POLL_WATCHER = Event->io (	4136
3220	reentrant => 0,
3221	fd => BDB::poll_fileno,
3222	poll => 'r',
3223	prio => 0,
3224	data => WF_AUTOCANCEL,
3225	cb => \&BDB::poll_cb,
3226	);
3227	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3228		4138	BDB::max_poll_reqs $TICK * 0.1;
3229	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
3230	my $status;
3231	my $current = $Coro::current;
3232	(
3233	sub {
3234	$status = $!;
3235	$current->ready; undef $current;
3236	},
3237	sub {
3238	Coro::schedule while defined $current;
3239	$! = $status;
3240	},
3241	)
3242	};
3243		4140
3244	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3245	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3246		4148
3247	cf::sync_job {	4149	cf::sync_job {
3248	eval {	4150	eval {
3249	BDB::db_env_open	4151	BDB::db_env_open
3250	$DB_ENV,	4152	$DB_ENV,
…		…
3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3254	0666;	4156	0666;
3255		4157
3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3257
3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3259	$DB_ENV->set_lk_detect;
3260	};	4159	};
3261		4160
3262	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3263	};	4162	};
3264	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3265	}	4174	}
3266		4175
3267	{	4176	{
		4177	# configure IO::AIO
		4178
3268	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3269
3270	undef $Coro::AIO::WATCHER;
3271	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3272	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3273	reentrant => 0,
3274	data => WF_AUTOCANCEL,
3275	fd => IO::AIO::poll_fileno,
3276	poll => 'r',
3277	prio => 6,
3278	cb => \&IO::AIO::poll_cb,
3279	);
3280	}	4182	}
3281		4183
3282	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3283		4186
3284	sub _log_backtrace {	4187	sub _log_backtrace {
3285	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3286		4189
3287	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3288		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3289	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3290	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3291	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3292	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3293	my @bt = fork_call {	4203	my @bt = fork_call {
3294	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3297	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3305	}	4215	}
3306		4216
3307	@funcs	4217	@funcs
3308	};	4218	};
3309		4219
3310	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3311	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3312	--$_log_backtrace;	4223	--$_log_backtrace;
3313	};	4224	};
3314	} else {	4225	} else {
3315	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3316	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3317	}	4228	}
3318	}	4229	}
3319		4230
3320	# load additional modules	4231	# load additional modules
3321	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3322		4234
3323	END { cf::emergency_save }	4235	END { cf::emergency_save }
3324		4236
3325	1	4237	1
3326		4238

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