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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		295
180	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		584
374	my $runtime = "$LOCALDIR/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
375		589
376	warn "starting to write runtime...\n";#d#	590	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		591
380	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		594
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
385	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
386		598
387	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	600	reset_signals;
389	and return;	601	&$cb
		602	}, @args;
390		603
391	close $fh	604	wantarray ? @res : $res[-1]
392	or return;	605	}
393		606
394	aio_rename "$runtime~", $runtime	607	sub objinfo {
395	and return;
396
397	warn "... done writing runtime.\n";#d#
398
399	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
400	}	770	}
401		771
402	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
403		773
404	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
405		775
406	=cut	776	=cut
407		777
408	sub datalog($@) {	778	sub datalog($@) {
409	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	781	}
412		782
413	=back	783	=back
414		784
415	=cut	785	=cut
416		786
417	#############################################################################	787	#############################################################################
418		788
419	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
420		790
421	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
422	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
424		794
425	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	797	Deliantra).
428		798
429	=over 4	799	=over 4
430		800
431	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
432		802
…		…
476	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
477		847
478	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
480		850
481	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
482	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
483		853
484	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
485		855
486	=over 4	856	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
596		966
597	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		971
602	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	973	my $pkg = shift @arg;
604		974
605	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
610		980
611	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		983
614	} elsif (ref $type) {	984	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
616		986
617	} else {	987	} else {
618	shift @arg;	988	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
620	}	990	}
621	}	991	}
622	}	992	}
623		993
624	sub _object_attach {	994	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
635	}	1005	}
636		1006
637	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
638	} else {	1008	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1010	}
641		1011
642	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
643	}	1013	}
644		1014
…		…
646	if (ref $_[0]) {	1016	if (ref $_[0]) {
647	_object_attach @_;	1017	_object_attach @_;
648	} else {	1018	} else {
649	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
650	}	1020	}
		1021	_recalc_want;
651	};	1022	};
652		1023
653	# all those should be optimised	1024	# all those should be optimised
654	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1030	reattach ($obj);
660	} else {	1031	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
662	}	1033	}
		1034	_recalc_want;
663	};	1035	};
664		1036
665	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
667		1039
…		…
682	";	1054	";
683	die if $@;	1055	die if $@;
684	}	1056	}
685		1057
686	our $override;	1058	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		1060
689	sub override {	1061	sub override {
690	$override = 1;	1062	$override = 1;
691	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
692	}	1064	}
693		1065
694	sub do_invoke {	1066	sub do_invoke {
695	my $event = shift;	1067	my $event = shift;
696	my $callbacks = shift;	1068	my $callbacks = shift;
697		1069
698	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
699		1071
700	local $override;	1072	local $override;
701		1073
702	for (@$callbacks) {	1074	for (@$callbacks) {
703	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
704		1076
705	if ($@) {	1077	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1079	override;
709	}	1080	}
710		1081
711	return 1 if $override;	1082	return 1 if $override;
712	}	1083	}
713		1084
714	0	1085	0
715	}	1086	}
716		1087
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1089
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1091
721	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
722		1093
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1097
727	=back	1098	=back
728		1099
729	=cut	1100	=cut
730		1101
731	#############################################################################	1102	#############################################################################
732	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
733		1146
734	sub reattach {	1147	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1149	my ($obj) = @_;
737		1150
		1151	# no longer needed after getting rid of delete_package?
738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
739		1153
740	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
741		1155
742	@$registry = ();	1156	@$registry = ();
743		1157
…		…
748	for (@$attach) {	1162	for (@$attach) {
749	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
751	}	1165	}
752	} else {	1166	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1168	}
755	}	1169	}
756	}	1170	}
757		1171
758	cf::attachable->attach (	1172	cf::attachable->attach (
759	prio => -1000000,	1173	prio => -1000000,
760	on_instantiate => sub {	1174	on_instantiate => sub {
761	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
762		1176
763	$data = from_json $data;	1177	$data = decode_json $data;
764		1178
765	for (@$data) {	1179	for (@$data) {
766	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
767		1181
768	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1198	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
786		1200
787	sync_job {	1201	sync_job {
788	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
791		1207
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
796	close $fh;	1215	aio_close $fh;
797		1216
798	if (@$objs) {	1217	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
804	close $fh;	1226	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
806	}	1228	}
807	} else {	1229	} else {
808	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
809	}	1231	}
810		1232
811	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1237	} else {
813	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
814	}	1239	}
815	} else {	1240	} else {
816	aio_unlink $filename;	1241	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
818	}	1243	}
819	}	1244	};
820	}	1245	}
821		1246
822	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
824		1249
…		…
836	or return;	1261	or return;
837		1262
838	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
840	or return;	1265	or return;
		1266
841	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
842	}	1269	}
843		1270
		1271	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
846	return ($data, $av);	1276	($data, $av)
847	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
848		1284
849	#############################################################################	1285	#############################################################################
850	# command handling &c	1286	# command handling &c
851		1287
852	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1302	}
867		1303
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1305
870	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
871		1311
872	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
873	called.	1313	called.
874		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
875	=cut	1326	=cut
876		1327
877	sub register_extcmd {	1328	sub register_extcmd {
878	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
879		1330
880	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
881	}	1332	}
882		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
883	cf::player->attach (	1342	cf::player->attach (
884	on_command => sub {	1343	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
886		1345
887	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
888	or return;	1347	or return;
889		1348
…		…
894	cf::override;	1353	cf::override;
895	},	1354	},
896	on_extcmd => sub {	1355	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
898		1357
899	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1359
901	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
907	} else {	1375	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1377	}
910		1378
911	cf::override;	1379	cf::override;
912	},	1380	},
913	);	1381	);
914		1382
		1383	# "readahead" all extensions
915	sub load_extension {	1384	sub cache_extensions {
916	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
917		1386
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1390	}
943	die $@;
944	}	1391	};
945		1392
946	push @EXTS, $pkg;	1393	$grp
947	}	1394	}
948		1395
949	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
950	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1403	next unless -r $path;
952	eval {	1404
953	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
954	1	1468	}
955	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
956	}	1479	};
957	}	1480	}
958		1481
959	#############################################################################	1482	#############################################################################
960		1483
		1484	=back
		1485
961	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
962		1487
963	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
964		1489
965	=cut	1490	=cut
966		1491
967	package cf::player;	1492	package cf::player;
968		1493
969	use Coro::AIO;	1494	use Coro::AIO;
970		1495
971	=head3 cf::player	1496	=head3 cf::player
972		1497
973	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
974		1513
975	=item cf::player::find $login	1514	=item cf::player::find $login
976		1515
977	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
978		1517
…		…
997		1536
998	sub exists($) {	1537	sub exists($) {
999	my ($login) = @_;	1538	my ($login) = @_;
1000		1539
1001	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1003	}	1542	}
1004		1543
1005	sub find($) {	1544	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1546	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1557
1019	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1022	}	1567	}
1023	}	1568	}
1024	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1025		1583
1026	sub save($) {	1584	sub save($) {
1027	my ($pl) = @_;	1585	my ($pl) = @_;
1028		1586
1029	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1035		1593
1036	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1038		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1039	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1040	Coro::cede;	1603	cf::cede_to_tick;
1041	}	1604	}
1042		1605
1043	sub new($) {	1606	sub new($) {
1044	my ($login) = @_;	1607	my ($login) = @_;
1045		1608
…		…
1051	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1052		1615
1053	$self	1616	$self
1054	}	1617	}
1055		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1056	=item $pl->quit_character	1629	=item $pl->quit_character
1057		1630
1058	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1060		1633
…		…
1064	my ($pl) = @_;	1637	my ($pl) = @_;
1065		1638
1066	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1067		1640
1068	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1069	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1070		1643
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1075		1649
1076	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1687	or return [];
1114		1688
1115	my @logins;	1689	my @logins;
1116		1690
1117	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1121		1701
1122	utf8::decode $login;	1702	utf8::decode $login;
1123	push @logins, $login;	1703	push @logins, $login;
1124	}	1704	}
1125		1705
1126	\@logins	1706	\@logins
1127	}	1707	}
1128		1708
1129	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1130		1712
1131	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1132	player. May block.	1714	player. May block.
1133		1715
1134	=cut	1716	=cut
…		…
1152	}	1734	}
1153		1735
1154	\@paths	1736	\@paths
1155	}	1737	}
1156		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1157	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1158		1744
1159	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1160		1746
1161	=cut	1747	=cut
1162		1748
1163	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1165		1751
1166	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1753	}
1170		1754
1171	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1172		1756
1173	Sends an ext event to the client.	1757	Sends an ext event to the client.
1174		1758
1175	=cut	1759	=cut
1176		1760
1177	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1179		1763
1180	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1181	}	1765	}
1182		1766
1183	=head3 cf::region	1767	=head3 cf::region
1184		1768
1185	=over 4	1769	=over 4
…		…
1188		1772
1189	package cf::region;	1773	package cf::region;
1190		1774
1191	=item cf::region::find_by_path $path	1775	=item cf::region::find_by_path $path
1192		1776
1193	Tries to decuce the probable region for a map knowing only its path.	1777	Tries to decuce the likely region for a map knowing only its path.
1194		1778
1195	=cut	1779	=cut
1196		1780
1197	sub find_by_path($) {	1781	sub find_by_path($) {
1198	my ($path) = @_;	1782	my ($path) = @_;
1199		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1200	my ($match, $specificity);	1786	my ($match, $specificity);
1201		1787
1202	for my $region (list) {	1788	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1206	}	1792	}
1207	}	1793	}
1208		1794
…		…
1229	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1231		1817
1232	sub generate_random_map {	1818	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1234	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1824	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1264		1853
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	1855	}
1267		1856
1268	# also paths starting with '/'	1857	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		1859
1271	sub thawer_merge {	1860	sub thawer_merge {
1272	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1273		1862
1274	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1275	local $self->{path};	1864	local $self->{path};
1276	local $self->{load_path};	1865	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1866
1280	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1281	}	1868	}
1282		1869
1283	sub normalise {	1870	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1331	return $self;	1918	return $self;
1332	}	1919	}
1333	}	1920	}
1334		1921
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1923	()
1337	}	1924	}
1338		1925
1339	sub init {	1926	sub init {
1340	my ($self) = @_;	1927	my ($self) = @_;
…		…
1362		1949
1363	# the temporary/swap location	1950	# the temporary/swap location
1364	sub save_path {	1951	sub save_path {
1365	my ($self) = @_;	1952	my ($self) = @_;
1366		1953
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1369	}	1956	}
1370		1957
1371	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1372	sub uniq_path {	1959	sub uniq_path {
1373	my ($self) = @_;	1960	my ($self) = @_;
1374		1961
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1377	}	1964	}
1378		1965
1379	# and all this just because we cannot iterate over	1966	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1967	my ($self) = @_;
1383		1968
1384	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1386	}	1972	}
1387		1973
1388	sub unlink_save {	1974	sub unlink_save {
1389	my ($self) = @_;	1975	my ($self) = @_;
1390		1976
…		…
1395		1981
1396	sub load_header_from($) {	1982	sub load_header_from($) {
1397	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1398		1984
1399	utf8::encode $path;	1985	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1405		1994
1406	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1407		1996
1408	1	1997	1
1409	}	1998	}
…		…
1448	$self->load_header_orig	2037	$self->load_header_orig
1449	or return;	2038	or return;
1450	$self->prepare_orig;	2039	$self->prepare_orig;
1451	}	2040	}
1452		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1453	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2046	unless $self->default_region;
1455		2047
1456	1	2048	1
1457	}	2049	}
…		…
1460	sub find {	2052	sub find {
1461	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1462		2054
1463	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1464		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2059
1467	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1470	or return;	2062	or return;
1471		2063
1472	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1473		2065
1474	$map->load_header	2066	$map->load_header
1475	or return;	2067	or return;
1476		2068
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1480	$map->reset;	2074	$map->reset;
1481	undef $guard;
1482	return find $path;	2075	return find $path;
1483	}	2076	}
1484		2077
1485	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1486	}	2079	}
1487	}	2080	}
1488		2081
1489	sub pre_load { }	2082	sub pre_load { }
1490	sub post_load { }	2083	#sub post_load { } # XS
1491		2084
1492	sub load {	2085	sub load {
1493	my ($self) = @_;	2086	my ($self) = @_;
1494		2087
1495	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1496		2089
1497	my $path = $self->{path};	2090	my $path = $self->{path};
1498		2091
1499	{	2092	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1501		2094
		2095	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2097
1504	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1505		2099
1506	$self->alloc;	2100	$self->alloc;
1507		2101
1508	$self->pre_load;	2102	$self->pre_load;
1509	Coro::cede;	2103	cf::cede_to_tick;
1510		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1512	or return;	2108	or return;
1513		2109
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1515	if delete $self->{load_original};	2111	if delete $self->{load_original};
1516		2112
1517	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2114	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2117	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1522	}	2121	}
1523	}	2122	}
1524		2123
1525	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1526	# now do the right thing for maps	2127	# now do the right thing for maps
1527	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2130	unless $self->difficulty;
1530	Coro::cede;	2131	cf::cede_to_tick;
1531		2132
1532	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2134	$self->decay_objects;
1534	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1535	$self->update_buttons;	2136	$self->update_buttons;
1536	Coro::cede;	2137	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2138	$self->activate;
1540	}	2139	}
1541		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2145	}
1544		2146
1545	$self->post_load;	2147	$self->post_load;
1546	}	2148	}
1547		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2153	sub customise_for {
1549	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1550		2155
1551	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2157	if $self->per_player;
1553		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1554	$self	2162	$self
1555	}	2163	}
1556		2164
1557	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2166	sub load_neighbours {
1559	my ($map) = @_;	2167	my ($map) = @_;
1560		2168
1561	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1562		2170
1563	for (0 .. 3) {	2171	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1565	or next;	2173	or next;
1566	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1567	or next;	2175	or next;
1568	$neigh->load;	2176	$neigh->load;
1569		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2182	}
1573		2183
1574	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1576	or next;	2187	or next;
1577	$neigh->load;	2188	$neigh->load;
1578	}	2189	}
1579	}	2190	}
1580		2191
…		…
1585	}	2196	}
1586		2197
1587	sub do_load_sync {	2198	sub do_load_sync {
1588	my ($map) = @_;	2199	my ($map) = @_;
1589		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1590	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1591	}	2205	}
1592		2206
1593	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1595		2209
1596	sub find_async {	2210	sub find_async {
1597	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1598		2212
1599	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1600		2214
1601	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2217	}
1604		2218
1605	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1606	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1607	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2226	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2227	$map->load if $v;
		2228	}
1612		2229
1613	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1614	}	2231	}
1615	}	2232	}
1616	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1617	};	2234	};
1618	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1619		2236
1620	()	2237	()
1621	}	2238	}
1622		2239
		2240	# common code, used by both ->save and ->swapout
1623	sub save {	2241	sub _save {
1624	my ($self) = @_;	2242	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2243
1628	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1629		2245
1630	return unless $self->dirty;	2246	return unless $self->dirty;
1631		2247
…		…
1637	return if $self->{deny_save};	2253	return if $self->{deny_save};
1638		2254
1639	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1640		2256
1641	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1643	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1644		2263
1645	if ($uniq) {	2264	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2267	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2269	}
1651	}	2270	}
1652		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1653	sub swap_out {	2280	sub swap_out {
1654	my ($self) = @_;	2281	my ($self) = @_;
1655		2282
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1661	return if $self->players;	2287	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1665	$self->clear;	2298	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2299	}
1668		2300
1669	sub reset_at {	2301	sub reset_at {
1670	my ($self) = @_;	2302	my ($self) = @_;
1671		2303
1672	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1675		2306
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2309
…		…
1689	my ($self) = @_;	2320	my ($self) = @_;
1690		2321
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2323
1693	return if $self->players;	2324	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2325
1696	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1697		2327
1698	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1699		2329
1700	# need to save uniques path	2330	# need to save uniques path
1701	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2335	if $uniq;
1706	}	2336	}
1707		2337
1708	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1709		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2342	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2343
1714	$self->unlink_save;	2344	$self->unlink_save;
1715	$self->destroy;	2345	$self->destroy;
1716	}	2346	}
1717		2347
1718	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1719		2349
1720	sub nuke {	2350	sub nuke {
1721	my ($self) = @_;	2351	my ($self) = @_;
1722		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1723	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1724		2357
1725	$self->unlink_save;	2358	$self->unlink_save;
1726		2359
1727	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2365
1733	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1734		2368
1735	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1736	}	2406	}
1737		2407
1738	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1739		2409
1740	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2411	instantiated unique items. May block.
1742		2412
1743	=cut	2413	=cut
1744		2414
1745	sub unique_maps() {	2415	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2416	[
1747	or return;	2417	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2418	utf8::decode $_;
1753	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2421	? ()
1756	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2424	]
1758
1759	\@paths
1760	}	2425	}
1761		2426
1762	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1763		2458
1764	=back	2459	=back
1765		2460
1766	=head3 cf::object	2461	=head3 cf::object
1767		2462
…		…
1771		2466
1772	=over 4	2467	=over 4
1773		2468
1774	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1775		2470
1776	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1777		2473
1778	=cut	2474	=cut
1779		2475
1780	sub inv_recursive_;	2476	sub inv_recursive_;
1781	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1784		2480
1785	sub inv_recursive {	2481	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1787	}	2483	}
1788		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1789	package cf;	2513	package cf;
1790		2514
1791	=back	2515	=back
1792		2516
1793	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1802		2526
1803	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1804		2542
1805	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2544	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1810		2548
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2550
1813	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1815	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1818	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1819	}	2576	}
1820		2577
1821	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1822		2579
1823	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1836		2593
1837	=item $player_object->enter_link	2594	=item $player_object->enter_link
1838		2595
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2597
1841	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1843		2602
1844	Will never block.	2603	Will never block.
1845		2604
1846	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1847		2606
…		…
1867	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2627	my ($self) = @_;
1869		2628
1870	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1871		2630
		2631	++$self->{_link_recursion};
		2632
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2634
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1876		2637
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2639	}
1879		2640
1880	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1882		2645
1883	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1884		2647
1885	unless ($map) {	2648	unless ($map) {
1886	# restore original map position	2649	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1899		2662
1900	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1903		2666
1904	$map->load;	2667	$map->load;
1905	$map->load_diag;	2668	$map->load_neighbours;
1906		2669
1907	return unless $self->contr->active;	2670	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2671
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1912	}	2674	# entering was successful
1913		2675	delete $self->{_link_recursion};
1914	cf::player->attach (	2676	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2677	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2678	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2679
1928	# try to abort aborted map switching on player login :)	2680	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2681
1946	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1948	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1949		2696
1950	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2708
1953	$self->enter_link;	2709	$self->enter_link;
1954		2710
1955	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1956	my $map = eval {	2733	my $map = eval {
1957	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1959	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2749	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1964	})->prio (1);	2757	})->prio (1);
1965	}	2758	}
1966		2759
1967	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1968		2761
…		…
1988	}	2781	}
1989		2782
1990	sub prepare_random_map {	2783	sub prepare_random_map {
1991	my ($exit) = @_;	2784	my ($exit) = @_;
1992		2785
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2788	# that depends on the exit object
1998		2789
1999	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2792	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2006	}	2799	}
2007		2800
2008	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2009		2802
2010	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2013		2806
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2809	undef $fh;
2017	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2018		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2021	}	2818	}
2022	}	2819	}
2023		2820
2024	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2026		2823
2027	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2028		2825
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2826	$self->enter_link;
2041		2827
2042	(async {	2828	(async {
2043	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2044	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2045	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2046		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2047	1;	2852	1
2048	}) {	2853	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2858
2054	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	2860	$self->leave_link;
2056	}	2861	}
2057	})->prio (1);	2862	})->prio (1);
2058	}	2863	}
2059		2864
…		…
2073		2878
2074	utf8::encode $text;	2879	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2881	}
2077		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2078	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2079		3071
2080	Sends an exti event to the client.	3072	Sends an ext event to the client.
2081		3073
2082	=cut	3074	=cut
2083		3075
2084	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2086		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2089	}	3103	}
2090		3104
2091	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2092		3106
2093	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		3110
2097	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	3112	become reliable at some point in the future.
2099		3113
2100	=cut	3114	=cut
2101		3115
2102	sub cf::client::query {	3116	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3125	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3127
2114	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2116	}	3132	}
2117		3133
2118	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2119	on_reply => sub {	3140	on_reply => sub {
2120	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2121		3142
2122	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2123	# get handled first	3144	# get handled first
…		…
2135	} else {	3156	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3158	}
2138	}	3159	}
2139	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2140	);	3187	);
2141		3188
2142	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2143		3190
2144	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3207
2161	$coro	3208	$coro
2162	}	3209	}
2163		3210
2164	cf::client->attach (	3211	cf::client->attach (
2165	on_destroy => sub {	3212	on_client_destroy => sub {
2166	my ($ns) = @_;	3213	my ($ns) = @_;
2167		3214
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3216	},
2170	);	3217	);
…		…
2185	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2187		3234
2188	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2189		3236
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2191		3242
2192	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2193		3244
2194	=pod	3245	=pod
2195		3246
2196	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2197		3248
2198	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2199	cf::object::player player	3254	cf::object::player
2200	cf::player peaceful	3255	player
2201	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2202		3262
2203	=cut	3263	=cut
2204		3264
2205	for (	3265	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2210	) {	3272	) {
2211	no strict 'refs';	3273	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2231		3293
2232	my $qcode = $code;	3294	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2235		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2236	local $_;	3301	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3302
2239	my $eval =	3303	my $eval =
2240	"do {\n"	3304	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3307	. $code
2244	. "\n}"	3308	. "\n}"
2245	;	3309	;
2246		3310
		3311	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2250		3320
2251	if ($@) {	3321	if ($@) {
2252	warn "$@";	3322	warn "$@",
2253	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2255	}	3325	}
2256		3326
2257	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2258	}	3328	}
2259		3329
…		…
2273	=cut	3343	=cut
2274		3344
2275	sub register_script_function {	3345	sub register_script_function {
2276	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2277		3347
2278	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2280	}	3350	}
2281		3351
2282	=back	3352	=back
2283		3353
2284	=cut	3354	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3355
2460	#############################################################################	3356	#############################################################################
2461	# the server's init and main functions	3357	# the server's init and main functions
2462		3358
2463	sub load_facedata($) {	3359	sub load_facedata($) {
2464	my ($path) = @_;	3360	my ($path) = @_;
2465		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2466	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2467		3369
2468	my $facedata;	3370	my $facedata;
2469	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2470	or die "$path: $!";	3372	or die "$path: $!";
2471		3373
2472	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2473		3375
2474	$facedata->{version} == 2	3376	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2477	{	3388	{
2478	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2479		3390
2480	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3398
		3399	cf::cede_to_tick;
2486	}	3400	}
2487		3401
2488	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2490	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2491	or next;	3406	or next;
		3407
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3411	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3413	}
2497	Coro::cede;	3414
		3415	cf::cede_to_tick;
2498	}	3416	}
2499	}	3417	}
2500		3418
2501	{	3419	{
2502	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2503		3421
2504	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3424	cf::cede_to_tick;
2507	}	3425	}
2508		3426
2509	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2510	}	3428	}
2511		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2512	1	3449	1
2513	}	3450	}
2514		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2515	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2516	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2518	}	3482	}
2519		3483
2520	sub reload_facedata {	3484	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2530	sub reload_treasures {	3494	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2533	}	3497	}
2534		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2535	sub reload_resources {	3522	sub reload_resources {
2536	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2537		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2538	reload_regions;	3528	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3529	reload_treasures;
2542		3530
2543	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2544	}	3532	}
2545		3533
2546	sub init {	3534	sub reload_config {
2547	reload_resources;	3535	trace "reloading config file...\n";
2548	}
2549		3536
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3538	or return;
2553		3539
2554	local $/;	3540	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2556		3542
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3544
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2561		3547
2562	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2565	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2566	};	3552	};
2567	warn $@ if $@;	3553	warn $@ if $@;
2568	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2569	}	3585	}
2570		3586
2571	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2572	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3600	(async {
2576	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2578	};	3604	};
2579		3605
2580	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2581	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2582	load_extensions;	3629	load_extensions;
2583		3630
2584	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2586	}	3644	}
2587		3645
2588	#############################################################################	3646	#############################################################################
2589	# initialisation and cleanup	3647	# initialisation and cleanup
2590		3648
2591	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2592	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2601	},
2602	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2603	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2604	}	3745	}
2605		3746
2606	sub emergency_save() {	3747	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2608		3749
2609	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2610		3751
2611	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2612	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3766	$pl->save;
2620	}	3767	}
2621	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2622		3769
2623	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3773	$map->valid or next;
2627	$map->save;	3774	$map->save;
2628	}	3775	}
2629	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2630		3777
2631	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2634	};	3785	};
2635		3786
2636	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2637	}	3793	}
2638		3794
2639	sub post_cleanup {	3795	sub post_cleanup {
2640	my ($make_core) = @_;	3796	my ($make_core) = @_;
2641		3797
2642	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2644	}	3828	}
2645		3829
2646	sub do_reload_perl() {	3830	sub do_reload_perl() {
2647	# can/must only be called in main	3831	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2649	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2650	return;	3834	return;
2651	}	3835	}
2652		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2653	warn "reloading...";	3842	info "reloading...";
2654		3843
2655	warn "entering sync_job";	3844	trace "entering sync_job";
2656		3845
2657	cf::sync_job {	3846	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3848	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2661		3850
2662	warn "syncing database to disk";	3851	trace "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3853
2665	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2666		3855
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3859	}
2703		3860
2704	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2706	}	3863	%EXT_CORO = ();
2707		3864
2708	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2709	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3874	trace "... unloading $pkg";
2713	delete $INC{$k};
2714		3875
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2719	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2720	}	3885	}
2721		3886
2722	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2723	}	3902	}
2724		3903
2725	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3907
2729	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3911
2733	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3913	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2736		3915
2737	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2738		3917
2739	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2740	require cf;	3919	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2742		3921
2743	warn "loading config and database again";	3922	trace "loading config and database again";
2744	cf::cfg_load;	3923	cf::reload_config;
2745		3924
2746	warn "loading extensions";	3925	trace "loading extensions";
2747	cf::load_extensions;	3926	cf::load_extensions;
2748		3927
		3928	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2755		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2756	warn "leaving sync_job";	3940	trace "leaving sync_job";
2757		3941
2758	1	3942	1
2759	} or do {	3943	} or do {
2760	warn $@;	3944	error $@;
2761	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2762	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2763	};	3950	}
2764		3951
2765	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2766	};	3954	};
2767		3955
2768	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2769		3957
2770	sub reload_perl() {	3958	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2773		3961
2774	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3964
2777	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	3966	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2781	},	3968	};
2782	);	3969	};
2783	}	3970	}
2784		3971
2785	register_command "reload" => sub {	3972	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2787		3974
2788	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3979	reload_perl;
		3980	};
2791	}	3981	}
2792	};	3982	};
2793		3983
2794	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2795		3985
…		…
2797		3987
2798	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2800		3990
2801	sub wait_for_tick {	3991	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2804		3993
2805	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3996	$signal->wait;
2808	}	3997	}
2809		3998
2810	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2813		4001
2814	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4004	$signal->wait;
2817	}	4005	}
2818		4006
2819	$TICK_WATCHER = Event->timer (	4007	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2829	return;	4011	return;
2830	}	4012	}
2831		4013
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2835		4015
2836	$RUNTIME += $TICK;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2837	$NEXT_TICK += $TICK;
2838		4017
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4022	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4024	};
		4025	}
2846		4026
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4028	$sig->send;
2858	}	4029	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	4031	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4032	}
2865	);	4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
2866		4045
2867	{	4046	{
2868	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4048
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2878		4050	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4052
2894	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4060
		4061	(Coro::async { # async to keep sync_job from complaining
2897	cf::sync_job {	4062	cf::sync_job {
2898	eval {	4063	eval {
2899	BDB::db_env_open	4064	BDB::db_env_open
2900	$DB_ENV,	4065	$DB_ENV,
2901	$BDBDIR,	4066	$BDBDIR,
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4069	0666;
2905		4070
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
2907		4073
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
2909	$DB_ENV->set_lk_detect;
2910	};	4075	};
		4076	})->join;
		4077	}
2911		4078
2912	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
2913	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2914	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
2915	}	4088	}
2916		4089
2917	{	4090	{
		4091	# configure IO::AIO
		4092
2918	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4096	}
2931		4097
2932	my $_log_backtrace;	4098	my $_log_backtrace;
2933		4099
2934	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
2938		4104
2939	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
2942	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
2943	my @bt = fork_call {	4112	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
2955	}	4124	}
2956		4125
2957	@funcs	4126	@funcs
2958	};	4127	};
2959		4128
2960	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4132	--$_log_backtrace;
2963	};	4133	};
2964	} else {	4134	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	4137	}
2968	}	4138	}
2969		4139
2970	# load additional modules	4140	# load additional modules
2971	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
2972		4143
2973	END { cf::emergency_save }	4144	END { cf::emergency_save }
2974		4145
2975	1	4146	1
2976		4147

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