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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 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;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
60		115
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	118	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
71		127
72	our %CFG;	128	our %CFG;
73		129
74	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
76		133
77	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		137
83	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
86	binmode STDOUT;	151	binmode STDOUT;
87	binmode STDERR;	152	binmode STDERR;
88		153
89	# read virtual server time, if available	154	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
94	}	159	}
95		160
96	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	162
98	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		165
103	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
104		167
105	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
106		180
107	#############################################################################	181	#############################################################################
108		182
109	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
110		184
…		…
117	=item $cf::RUNTIME	191	=item $cf::RUNTIME
118		192
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	194	every server tick.
121		195
122	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		199
124	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
126		204
127	=item $cf::NOW	205	=item $cf::NOW
128		206
129	The time of the last (current) server tick.	207	The time of the last (current) server tick.
130		208
131	=item $cf::TICK	209	=item $cf::TICK
132		210
133	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
134		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
135	=item %cf::CFG	223	=item %cf::CFG
136		224
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	226	from wherever your confdir points to.
139		227
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		229
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
146	=back	246	=back
147		247
148	=cut	248	=cut
149		249
150	BEGIN {	250	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	251	my $msg = join "", @_;
153		252
154	$msg .= "\n"	253	$msg .= "\n"
155	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
156		255
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		257
159	utf8::encode $msg;
160	LOG llevError, $msg;	258	LOG llevError, $msg;
161	};	259	};
162	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
163		274
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		282
171	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	284	# within the Safe compartment.
173	for my $pkg (qw(	285	for my $pkg (qw(
174	cf::global cf::attachable	286	cf::global cf::attachable
175	cf::object cf::object::player	287	cf::object cf::object::player
176	cf::client cf::player	288	cf::client cf::player
177	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
178	cf::map cf::party cf::region	291	cf::party cf::region
179	)) {	292	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	294	}
183		295
184	$Event::DIED = sub {	296	$EV::DIED = sub {
185	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
186	};	298	};
		299
		300	#############################################################################
187		301
188	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
189		303
190	=over 4	304	=over 4
191		305
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	325	$d
212	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
213	}	327	}
214		328
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
218		330
219	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
220		332
221	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
222		334
223	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
224		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
225	=item cf::lock_wait $string	358	=item cf::lock_wait $string
226		359
227	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
228		361
229	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
230		363
231	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
234	returned.	367	returned.
235		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
236	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
238		374
239	=cut	375	=item $locked = cf::lock_active $string
240		376
241	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
242		382
243	sub lock_wait($) {	383	sub lock_wait($) {
244	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	385	}
252		386
253	sub lock_acquire($) {	387	sub lock_acquire($) {
254	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
255		390
256	# wait, to be sure we are not locked	391	sub lock_active($) {
257	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	393	}
266		394
267	sub freeze_mainloop {	395	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
269		397
270	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
272	};	465	}
273	$TICK_WATCHER->stop;	466	};
274	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
275	}	481	}
276		482
277	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
278		484
279	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		490
285	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
286		492
287	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
288		494
289	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
292		499
293	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
296	fast or be very important.	503	fast or be very important.
…		…
299		506
300	sub sync_job(&) {	507	sub sync_job(&) {
301	my ($job) = @_;	508	my ($job) = @_;
302		509
303	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
304	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
306		515
307	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	517
309	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
310		519
311	my $busy = 1;	520	my $busy = 1;
312	my @res;	521	my @res;
313		522
314	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	525	@res = eval { $job->() };
316	warn $@ if $@;	526	warn $@ if $@;
317	undef $busy;	527	undef $busy;
318	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
319		529
320	while ($busy) {	530	while ($busy) {
321	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
322	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
323		541
324	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
325	} else {	543	} else {
326	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
327		545
…		…
347	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
348		566
349	$coro	567	$coro
350	}	568	}
351		569
352	sub write_runtime {	570	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		571
355	my $runtime = cf::localdir . "/runtime";	572	Executes the given code block with the given arguments in a seperate
		573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
356		576
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
358	or return;
359		578
360	my $value = $cf::RUNTIME + 90 + 10;	579	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	580	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		581
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	# we seemingly have to make a local copy of the whole thing,
365	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
366		585
367	# always fsync - this file is important	586	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	587	reset_signals;
369	and return;	588	&$cb
		589	}, @args;
370		590
371	close $fh	591	wantarray ? @res : $res[-1]
372	or return;	592	}
373		593
374	aio_rename "$runtime~", $runtime	594	=item $coin = coin_from_name $name
375	and return;
376		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
377	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
378	}	746	}
379		747
380	=item cf::datalog type => key => value, ...	748	=item cf::datalog type => key => value, ...
381		749
382	Log a datalog packet of the given type with the given key-value pairs.	750	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		762
395	#############################################################################	763	#############################################################################
396		764
397	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
398		766
399	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
402		770
403	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	773	Deliantra).
406		774
407	=over 4	775	=over 4
408		776
409	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
410		778
…		…
454	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
455		823
456	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
458		826
459	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
461		829
462	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
463		831
464	=over 4	832	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
574		942
575	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		947
580	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	949	my $pkg = shift @arg;
582		950
583	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
613	}	981	}
614		982
615	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
616	} else {	984	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	986	}
619		987
620	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
621	}	989	}
622		990
…		…
624	if (ref $_[0]) {	992	if (ref $_[0]) {
625	_object_attach @_;	993	_object_attach @_;
626	} else {	994	} else {
627	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
628	}	996	}
		997	_recalc_want;
629	};	998	};
630		999
631	# all those should be optimised	1000	# all those should be optimised
632	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1006	reattach ($obj);
638	} else {	1007	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
640	}	1009	}
		1010	_recalc_want;
641	};	1011	};
642		1012
643	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
645		1015
…		…
660	";	1030	";
661	die if $@;	1031	die if $@;
662	}	1032	}
663		1033
664	our $override;	1034	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1036
667	sub override {	1037	sub override {
668	$override = 1;	1038	$override = 1;
669	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
670	}	1040	}
671		1041
672	sub do_invoke {	1042	sub do_invoke {
673	my $event = shift;	1043	my $event = shift;
674	my $callbacks = shift;	1044	my $callbacks = shift;
675		1045
676	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
677		1047
678	local $override;	1048	local $override;
679		1049
680	for (@$callbacks) {	1050	for (@$callbacks) {
681	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
690	}	1060	}
691		1061
692	0	1062	0
693	}	1063	}
694		1064
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1066
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1068
699	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
700		1070
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1074
705	=back	1075	=back
706		1076
707	=cut	1077	=cut
708		1078
709	#############################################################################	1079	#############################################################################
710	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
711		1123
712	sub reattach {	1124	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1126	my ($obj) = @_;
715		1127
		1128	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1130
718	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
719		1132
720	@$registry = ();	1133	@$registry = ();
721		1134
…		…
736	cf::attachable->attach (	1149	cf::attachable->attach (
737	prio => -1000000,	1150	prio => -1000000,
738	on_instantiate => sub {	1151	on_instantiate => sub {
739	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
740		1153
741	$data = from_json $data;	1154	$data = decode_json $data;
742		1155
743	for (@$data) {	1156	for (@$data) {
744	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
745		1158
746	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1175	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
764		1177
765	sync_job {	1178	sync_job {
766	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
769		1183
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
774	close $fh;	1191	aio_close $fh;
775		1192
776	if (@$objs) {	1193	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
782	close $fh;	1202	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
784	}	1204	}
785	} else {	1205	} else {
786	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
787	}	1207	}
788		1208
789	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1213	} else {
791	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
792	}	1215	}
793	} else {	1216	} else {
794	aio_unlink $filename;	1217	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
796	}	1219	}
797	}	1220	};
798	}	1221	}
799		1222
800	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
802		1225
…		…
814	or return;	1237	or return;
815		1238
816	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
818	or return;	1241	or return;
		1242
819	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
820	}	1245	}
821		1246
		1247	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
824	return ($data, $av);	1251	($data, $av)
825	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
826		1259
827	#############################################################################	1260	#############################################################################
828	# command handling &c	1261	# command handling &c
829		1262
830	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1277	}
845		1278
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1280
848	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
849		1286
850	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
851	called.	1288	called.
852		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
853	=cut	1301	=cut
854		1302
855	sub register_extcmd {	1303	sub register_extcmd {
856	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
857		1305
858	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
859	}	1307	}
860		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
861	cf::player->attach (	1317	cf::player->attach (
862	on_command => sub {	1318	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
864		1320
865	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
866	or return;	1322	or return;
867		1323
…		…
872	cf::override;	1328	cf::override;
873	},	1329	},
874	on_extcmd => sub {	1330	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
876		1332
877	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1334
879	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
885	} else {	1350	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1352	}
888		1353
889	cf::override;	1354	cf::override;
890	},	1355	},
891	);	1356	);
892		1357
		1358	# "readahead" all extensions
893	sub load_extension {	1359	sub cache_extensions {
894	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
895		1361
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1365	}
921	die $@;
922	}	1366	};
923		1367
924	push @EXTS, $pkg;	1368	$grp
925	}	1369	}
926		1370
927	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
928	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1376	next unless -r $path;
930	eval {	1377
931	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
932	1	1438	}
933	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
934	}	1449	};
935	}	1450	}
936		1451
937	#############################################################################	1452	#############################################################################
938		1453
		1454	=back
		1455
939	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
940		1457
941	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
942		1459
943	=cut	1460	=cut
944		1461
945	package cf::player;	1462	package cf::player;
946		1463
…		…
948		1465
949	=head3 cf::player	1466	=head3 cf::player
950		1467
951	=over 4	1468	=over 4
952		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
953	=item cf::player::find $login	1484	=item cf::player::find $login
954		1485
955	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
956		1487
957	=cut	1488	=cut
958		1489
959	sub playerdir($) {	1490	sub playerdir($) {
960	cf::localdir	1491	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1493	}
966		1494
967	sub path($) {	1495	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1506
979	sub exists($) {	1507	sub exists($) {
980	my ($login) = @_;	1508	my ($login) = @_;
981		1509
982	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
984	}	1512	}
985		1513
986	sub find($) {	1514	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1516	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
999		1527
1000	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1003	}	1537	}
1004	}	1538	}
1005	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1006		1553
1007	sub save($) {	1554	sub save($) {
1008	my ($pl) = @_;	1555	my ($pl) = @_;
1009		1556
1010	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1016		1563
1017	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1019		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1020	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1021	Coro::cede;	1573	cf::cede_to_tick;
1022	}	1574	}
1023		1575
1024	sub new($) {	1576	sub new($) {
1025	my ($login) = @_;	1577	my ($login) = @_;
1026		1578
…		…
1032	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1033		1585
1034	$self	1586	$self
1035	}	1587	}
1036		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1037	=item $pl->quit_character	1599	=item $pl->quit_character
1038		1600
1039	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1041		1603
…		…
1045	my ($pl) = @_;	1607	my ($pl) = @_;
1046		1608
1047	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1048		1610
1049	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1613
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1056		1620
1057	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1652	while and may block, so not sync_job-capable, ever.
1089		1653
1090	=cut	1654	=cut
1091		1655
1092	sub list_logins {	1656	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1657	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1658	or return [];
1095		1659
1096	my @logins;	1660	my @logins;
1097		1661
1098	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1102		1672
1103	utf8::decode $login;	1673	utf8::decode $login;
1104	push @logins, $login;	1674	push @logins, $login;
1105	}	1675	}
1106		1676
…		…
1133	}	1703	}
1134		1704
1135	\@paths	1705	\@paths
1136	}	1706	}
1137		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1138	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1139		1713
1140	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1141		1715
1142	=cut	1716	=cut
1143		1717
1144	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1146		1720
1147	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1722	}
1151		1723
1152	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1153		1725
1154	Sends an ext event to the client.	1726	Sends an ext event to the client.
1155		1727
1156	=cut	1728	=cut
1157		1729
1158	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1160		1732
1161	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1162	}	1734	}
1163		1735
1164	=head3 cf::region	1736	=head3 cf::region
1165		1737
1166	=over 4	1738	=over 4
…		…
1169		1741
1170	package cf::region;	1742	package cf::region;
1171		1743
1172	=item cf::region::find_by_path $path	1744	=item cf::region::find_by_path $path
1173		1745
1174	Tries to decuce the probable region for a map knowing only its path.	1746	Tries to decuce the likely region for a map knowing only its path.
1175		1747
1176	=cut	1748	=cut
1177		1749
1178	sub find_by_path($) {	1750	sub find_by_path($) {
1179	my ($path) = @_;	1751	my ($path) = @_;
1180		1752
1181	my ($match, $specificity);	1753	my ($match, $specificity);
1182		1754
1183	for my $region (list) {	1755	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1187	}	1759	}
1188	}	1760	}
1189		1761
…		…
1210	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1212		1784
1213	sub generate_random_map {	1785	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1215	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1791	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1253	my ($self, $merge) = @_;	1828	my ($self, $merge) = @_;
1254		1829
1255	# we have to keep some variables in memory intact	1830	# we have to keep some variables in memory intact
1256	local $self->{path};	1831	local $self->{path};
1257	local $self->{load_path};	1832	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1833
1261	$self->SUPER::thawer_merge ($merge);	1834	$self->SUPER::thawer_merge ($merge);
1262	}	1835	}
1263		1836
1264	sub normalise {	1837	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1312	return $self;	1885	return $self;
1313	}	1886	}
1314	}	1887	}
1315		1888
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1890	()
1318	}	1891	}
1319		1892
1320	sub init {	1893	sub init {
1321	my ($self) = @_;	1894	my ($self) = @_;
…		…
1336		1909
1337	# the original (read-only) location	1910	# the original (read-only) location
1338	sub load_path {	1911	sub load_path {
1339	my ($self) = @_;	1912	my ($self) = @_;
1340		1913
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1914	"$MAPDIR/$self->{path}.map"
1342	}	1915	}
1343		1916
1344	# the temporary/swap location	1917	# the temporary/swap location
1345	sub save_path {	1918	sub save_path {
1346	my ($self) = @_;	1919	my ($self) = @_;
1347		1920
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1922	"$TMPDIR/$path.map"
1350	}	1923	}
1351		1924
1352	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1353	sub uniq_path {	1926	sub uniq_path {
1354	my ($self) = @_;	1927	my ($self) = @_;
1355		1928
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1930	"$UNIQUEDIR/$path"
1358	}	1931	}
1359		1932
1360	# and all this just because we cannot iterate over	1933	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1934	my ($self) = @_;
1364		1935
1365	$_->change_map_light ($change)	1936	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1937
		1938	$self->do_decay_objects;
1367	}	1939	}
1368		1940
1369	sub unlink_save {	1941	sub unlink_save {
1370	my ($self) = @_;	1942	my ($self) = @_;
1371		1943
…		…
1376		1948
1377	sub load_header_from($) {	1949	sub load_header_from($) {
1378	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1379		1951
1380	utf8::encode $path;	1952	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1386		1961
1387	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1388		1963
1389	1	1964	1
1390	}	1965	}
…		…
1429	$self->load_header_orig	2004	$self->load_header_orig
1430	or return;	2005	or return;
1431	$self->prepare_orig;	2006	$self->prepare_orig;
1432	}	2007	}
1433		2008
		2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
		2011
1434	$self->default_region (cf::region::find_by_path $self->{path})	2012	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2013	unless $self->default_region;
1436		2014
1437	1	2015	1
1438	}	2016	}
…		…
1441	sub find {	2019	sub find {
1442	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1443		2021
1444	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1445		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2026
1448	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1451	or return;	2029	or return;
1452		2030
1453	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1454		2032
1455	$map->load_header	2033	$map->load_header
1456	or return;	2034	or return;
1457		2035
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1461	$map->reset;	2041	$map->reset;
1462	undef $guard;
1463	return find $path;	2042	return find $path;
1464	}	2043	}
1465		2044
1466	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1467	}	2046	}
1468	}	2047	}
1469		2048
1470	sub pre_load { }	2049	sub pre_load { }
1471	sub post_load { }	2050	#sub post_load { } # XS
1472		2051
1473	sub load {	2052	sub load {
1474	my ($self) = @_;	2053	my ($self) = @_;
1475		2054
1476	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1477		2056
1478	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1480		2061
		2062	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2064
1483	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1484		2066
1485	$self->alloc;	2067	$self->alloc;
1486		2068
1487	$self->pre_load;	2069	$self->pre_load;
1488	Coro::cede;	2070	cf::cede_to_tick;
1489		2071
1490	$self->_load_objects ($self->{load_path}, 1)	2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1491	or return;	2075	or return;
1492		2076
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1494	if delete $self->{load_original};	2078	if delete $self->{load_original};
1495		2079
1496	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2081	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2084	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1501	}	2088	}
1502	}	2089	}
1503		2090
1504	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1505	# now do the right thing for maps	2094	# now do the right thing for maps
1506	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2097	unless $self->difficulty;
1517	Coro::cede;	2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1518	$self->activate;	2105	$self->activate;
1519	Coro::cede;	2106	}
		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
		2111	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2112	}
1521		2113
1522	$self->post_load;	2114	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2115	}
1527		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2120	sub customise_for {
1529	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1530		2122
1531	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2124	if $self->per_player;
1533		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
1534	$self	2129	$self
1535	}	2130	}
1536		2131
1537	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2133	sub load_neighbours {
1539	my ($map) = @_;	2134	my ($map) = @_;
1540		2135
1541	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1542		2137
1543	for (0 .. 3) {	2138	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1545	or next;	2140	or next;
1546	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1547	or next;	2142	or next;
1548	$neigh->load;	2143	$neigh->load;
1549		2144
		2145	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2148	}
1553		2149
1554	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1556	or next;	2153	or next;
1557	$neigh->load;	2154	$neigh->load;
1558	}	2155	}
1559	}	2156	}
1560		2157
…		…
1565	}	2162	}
1566		2163
1567	sub do_load_sync {	2164	sub do_load_sync {
1568	my ($map) = @_;	2165	my ($map) = @_;
1569		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1570	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1571	}	2171	}
1572		2172
1573	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1575		2175
1576	sub find_async {	2176	sub find_async {
1577	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1578		2178
1579	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1580		2180
1581	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2183	}
1584		2184
1585	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1586	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1587	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2192	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2193	$map->load if $v;
		2194	}
1592		2195
1593	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1594	}	2197	}
1595	}	2198	}
1596	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1597	};	2200	};
1598	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2204	}
1602		2205
1603	sub save {	2206	sub save {
1604	my ($self) = @_;	2207	my ($self) = @_;
1605		2208
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2210
1608	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1609		2212
1610	return unless $self->dirty;	2213	return unless $self->dirty;
1611		2214
…		…
1617	return if $self->{deny_save};	2220	return if $self->{deny_save};
1618		2221
1619	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1620		2223
1621	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1623	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1624		2230
1625	if ($uniq) {	2231	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2234	} else {
…		…
1634	my ($self) = @_;	2240	my ($self) = @_;
1635		2241
1636	# save first because save cedes	2242	# save first because save cedes
1637	$self->save;	2243	$self->save;
1638		2244
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2246
1641	return if $self->players;	2247	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2249	return if $self->{deny_save};
1644		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2255	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2256	}
1648		2257
1649	sub reset_at {	2258	sub reset_at {
1650	my ($self) = @_;	2259	my ($self) = @_;
1651		2260
1652	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1655		2263
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2266
…		…
1669	my ($self) = @_;	2277	my ($self) = @_;
1670		2278
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2280
1673	return if $self->players;	2281	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2282
1676	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
1677		2284
1678	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1679		2286
1680	# need to save uniques path	2287	# need to save uniques path
1681	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2292	if $uniq;
1686	}	2293	}
1687		2294
1688	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1689		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2299	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2300
1694	$self->unlink_save;	2301	$self->unlink_save;
1695	$self->destroy;	2302	$self->destroy;
1696	}	2303	}
1697		2304
1698	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1699		2306
1700	sub nuke {	2307	sub nuke {
1701	my ($self) = @_;	2308	my ($self) = @_;
1702		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1703	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1704		2314
1705	$self->unlink_save;	2315	$self->unlink_save;
1706		2316
1707	bless $self, "cf::map";	2317	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2322
1713	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1714		2325
1715	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
		2327	}
		2328
		2329	=item $maps = cf::map::tmp_maps
		2330
		2331	Returns an arrayref with all map paths of currently instantiated and saved
		2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
		2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1716	}	2363	}
1717		2364
1718	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1719		2366
1720	Returns an arrayref of paths of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2368	instantiated unique items. May block.
1722		2369
1723	=cut	2370	=cut
1724		2371
1725	sub unique_maps() {	2372	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2373	[
1727	or return;	2374	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2375	utf8::decode $_;
1733	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2378	? ()
1736	push @paths, cf::map::normalise $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2381	]
1738
1739	\@paths
1740	}	2382	}
1741		2383
1742	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1743		2415
1744	=back	2416	=back
1745		2417
1746	=head3 cf::object	2418	=head3 cf::object
1747		2419
…		…
1751		2423
1752	=over 4	2424	=over 4
1753		2425
1754	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1755		2427
1756	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1757		2430
1758	=cut	2431	=cut
1759		2432
1760	sub inv_recursive_;	2433	sub inv_recursive_;
1761	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1764		2437
1765	sub inv_recursive {	2438	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1767	}	2440	}
1768		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1769	package cf;	2470	package cf;
1770		2471
1771	=back	2472	=back
1772		2473
1773	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1782		2483
1783	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1784		2499
1785	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2501	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1790		2505
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2507
1793	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1795	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1798	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1799	}	2533	}
1800		2534
1801	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1802		2536
1803	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1816		2550
1817	=item $player_object->enter_link	2551	=item $player_object->enter_link
1818		2552
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2554
1821	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1823		2559
1824	Will never block.	2560	Will never block.
1825		2561
1826	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1827		2563
…		…
1850	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1851		2587
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2589
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1856		2592
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2594	}
1859		2595
1860	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1862		2600
1863	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1864		2602
1865	unless ($map) {	2603	unless ($map) {
1866	# restore original map position	2604	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1879		2617
1880	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1883		2621
1884	$map->load;	2622	$map->load;
1885	$map->load_diag;	2623	$map->load_neighbours;
1886		2624
1887	return unless $self->contr->active;	2625	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2626
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
1892	}
1893		2629
1894	cf::player->attach (	2630	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2631	$self->activate_recursive;
1896	my ($pl) = @_;	2632	}
1897		2633
1898	# abort map switching before logout	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2635
1908	# try to abort aborted map switching on player login :)	2636	Moves the player to the given map-path and coordinates by first freezing
1909	# should happen only on crashes	2637	her, loading and preparing them map, calling the provided $check callback
1910	if ($pl->ob->{_link_pos}) {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1911	$pl->ob->enter_link;	2639	the new (success) or old (failed) map position. In either case, $done will
1912	(async {	2640	be called at the end of this process.
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2641
1926	=item $player_object->goto ($path, $x, $y)	2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
1927		2644
1928	=cut	2645	=cut
		2646
		2647	our $GOTOGEN;
1929		2648
1930	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
		2651
		2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2654
1933	$self->enter_link;	2655	$self->enter_link;
1934		2656
1935	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
1936	my $map = eval {	2679	my $map = eval {
1937	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
		2684	$map = $check->($map) if $check && $map;
		2685	} else {
		2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
		2688
1939	$map	2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2695	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1944	})->prio (1);	2703	})->prio (1);
1945	}	2704	}
1946		2705
1947	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1948		2707
…		…
1968	}	2727	}
1969		2728
1970	sub prepare_random_map {	2729	sub prepare_random_map {
1971	my ($exit) = @_;	2730	my ($exit) = @_;
1972		2731
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2734	# that depends on the exit object
1978		2735
1979	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2738	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1986	}	2745	}
1987		2746
1988	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1989		2748
1990	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
1993		2752
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2755	undef $fh;
1997	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
1998		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2001	}	2764	}
2002	}	2765	}
2003		2766
2004	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2006		2769
2007	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2008		2771
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2772	$self->enter_link;
2021		2773
2022	(async {	2774	(async {
2023	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2024	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2025	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2026		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2027	1;	2798	1
2028	}) {	2799	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2804
2034	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2053		2824
2054	utf8::encode $text;	2825	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2827	}
2057		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2058	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2059		3017
2060	Sends an exti event to the client.	3018	Sends an ext event to the client.
2061		3019
2062	=cut	3020	=cut
2063		3021
2064	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2066		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2069	}	3049	}
2070		3050
2071	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2072		3052
2073	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3056
2077	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3058	become reliable at some point in the future.
2079		3059
2080	=cut	3060	=cut
2081		3061
2082	sub cf::client::query {	3062	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3071	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3073
2094	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2096	}	3078	}
2097		3079
2098	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2099	on_reply => sub {	3086	on_reply => sub {
2100	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2101		3088
2102	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2103	# get handled first	3090	# get handled first
…		…
2115	} else {	3102	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3104	}
2118	}	3105	}
2119	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2120	);	3133	);
2121		3134
2122	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2123		3136
2124	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3153
2141	$coro	3154	$coro
2142	}	3155	}
2143		3156
2144	cf::client->attach (	3157	cf::client->attach (
2145	on_destroy => sub {	3158	on_client_destroy => sub {
2146	my ($ns) = @_;	3159	my ($ns) = @_;
2147		3160
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3162	},
2150	);	3163	);
…		…
2165	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2167		3180
2168	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2169		3182
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2171		3188
2172	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2173		3190
2174	=pod	3191	=pod
2175		3192
2176	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2177		3194
2178	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2179	cf::object::player player	3200	cf::object::player
2180	cf::player peaceful	3201	player
2181	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2182		3208
2183	=cut	3209	=cut
2184		3210
2185	for (	3211	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2190	) {	3218	) {
2191	no strict 'refs';	3219	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3239
2212	my $qcode = $code;	3240	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2215		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2216	local $_;	3247	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3248
2219	my $eval =	3249	my $eval =
2220	"do {\n"	3250	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3253	. $code
2224	. "\n}"	3254	. "\n}"
2225	;	3255	;
2226		3256
		3257	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2230		3266
2231	if ($@) {	3267	if ($@) {
2232	warn "$@";	3268	warn "$@";
2233	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3289	=cut
2254		3290
2255	sub register_script_function {	3291	sub register_script_function {
2256	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2257		3293
2258	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2260	}	3296	}
2261		3297
2262	=back	3298	=back
2263		3299
2264	=cut	3300	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3301
2435	#############################################################################	3302	#############################################################################
2436	# the server's init and main functions	3303	# the server's init and main functions
2437		3304
2438	sub load_facedata($) {	3305	sub load_facedata($) {
2439	my ($path) = @_;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3313
2441	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2442		3315
2443	my $facedata;	3316	my $facedata;
2444	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2448		3321
2449	$facedata->{version} == 2	3322	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2452	{	3334	{
2453	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2454		3336
2455	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3344
		3345	cf::cede_to_tick;
2461	}	3346	}
2462		3347
2463	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2465	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2466	or next;	3352	or next;
		3353
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3357	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3359	}
2472	Coro::cede;	3360
		3361	cf::cede_to_tick;
2473	}	3362	}
2474	}	3363	}
2475		3364
2476	{	3365	{
2477	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2478		3367
2479	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3370	cf::cede_to_tick;
2482	}	3371	}
2483		3372
2484	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2485	}	3374	}
2486		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2487	1	3395	1
2488	}	3396	}
2489		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
		3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
2490	sub reload_facedata {	3450	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3451	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
2493	}	3453	}
2494		3454
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3455	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3456	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3457	or die "unable to load archetypes\n";
2503	}	3458	}
2504		3459
2505	sub reload_treasures {	3460	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3461	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3462	or die "unable to load treasurelists\n";
2508	}	3463	}
2509		3464
2510	sub reload_resources {	3465	sub reload_resources {
2511	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2512		3467
2513	reload_regions;
2514	reload_facedata;	3468	reload_facedata;
2515	reload_archetypes;	3469	reload_archetypes;
		3470	reload_regions;
2516	reload_treasures;	3471	reload_treasures;
2517		3472
2518	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2519	}	3474	}
2520		3475
2521	sub init {	3476	sub reload_config {
2522	reload_resources;	3477	warn "reloading config file...\n";
2523	}
2524		3478
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3480	or return;
2528		3481
2529	local $/;	3482	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2531		3484
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3486
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2540	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2541	};	3494	};
2542	warn $@ if $@;	3495	warn $@ if $@;
2543	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2544	}	3527	}
2545		3528
2546	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2547	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3547	(async {
2551	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2553	};	3551	};
2554		3552
2555	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2556	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2557	load_extensions;	3571	load_extensions;
2558		3572
2559	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2561	}	3583	}
2562		3584
2563	#############################################################################	3585	#############################################################################
2564	# initialisation and cleanup	3586	# initialisation and cleanup
2565		3587
2566	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2567	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2576	},
2577	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2578	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2579	}	3684	}
2580		3685
2581	sub emergency_save() {	3686	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2583		3688
2584	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2585		3690
2586	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2587	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3705	$pl->save;
2595	}	3706	}
2596	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2597		3708
2598	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3712	$map->valid or next;
2602	$map->save;	3713	$map->save;
2603	}	3714	}
2604	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2605		3716
2606	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2609	};	3724	};
2610		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2611	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2612	}	3732	}
2613		3733
2614	sub post_cleanup {	3734	sub post_cleanup {
2615	my ($make_core) = @_;	3735	my ($make_core) = @_;
2616		3736
2617	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
2619	}	3768	}
2620		3769
2621	sub do_reload_perl() {	3770	sub do_reload_perl() {
2622	# can/must only be called in main	3771	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2625	return;	3774	return;
2626	}	3775	}
2627		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2628	warn "reloading...";	3782	warn "reloading...";
2629		3783
2630	warn "entering sync_job";	3784	warn "entering sync_job";
2631		3785
2632	cf::sync_job {	3786	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3788	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2636		3790
2637	warn "syncing database to disk";	3791	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3793
2640	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2641		3795
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3799	}
2678		3800
2679	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2681	}	3803	%EXT_CORO = ();
2682		3804
2683	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3814	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3815
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2694	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2695	}	3825	}
2696		3826
2697	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2698	}	3842	}
2699		3843
2700	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3847
2704	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		3851
2708	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3853	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2711		3855
2712	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2713		3857
2714	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2715	require cf;	3859	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2717		3861
2718	warn "loading config and database again";	3862	warn "loading config and database again";
2719	cf::cfg_load;	3863	cf::reload_config;
2720		3864
2721	warn "loading extensions";	3865	warn "loading extensions";
2722	cf::load_extensions;	3866	cf::load_extensions;
2723		3867
		3868	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
2730		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
2731	warn "leaving sync_job";	3880	warn "leaving sync_job";
2732		3881
2733	1	3882	1
2734	} or do {	3883	} or do {
2735	warn $@;	3884	warn $@;
2736	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2737	exit 1;
2738	};	3886	};
2739		3887
2740	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
2741	};	3894	};
2742		3895
2743	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
2744		3897
2745	sub reload_perl() {	3898	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
2748		3901
2749	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	3904
2752	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	3906	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
2756	},	3908	};
2757	);	3909	};
2758	}	3910	}
2759		3911
2760	register_command "reload" => sub {	3912	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2762		3914
2763	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3919	reload_perl;
		3920	};
2766	}	3921	}
2767	};	3922	};
2768		3923
2769	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2770		3925
…		…
2772		3927
2773	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
2775		3930
2776	sub wait_for_tick {	3931	sub wait_for_tick {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2779		3933
2780	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	3936	$signal->wait;
2783	}	3937	}
2784		3938
2785	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2788		3941
2789	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3944	$signal->wait;
2792	}	3945	}
2793		3946
2794	$TICK_WATCHER = Event->timer (	3947	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2804	return;	3951	return;
2805	}	3952	}
2806		3953
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2810		3955
2811	$RUNTIME += $TICK;	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2812	$NEXT_TICK += $TICK;
2813		3957
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	3960	Coro::async_pool {
		3961	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	3962	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	3964	};
		3965	}
2821		3966
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	3968	$sig->send;
2833	}	3969	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	3971	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	3972	}
2840	);	3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
2841		3985
2842	{	3986	{
2843	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	3988
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
2853		3990	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		3992
2869	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4000
2872	cf::sync_job {	4001	cf::sync_job {
2873	eval {	4002	eval {
2874	BDB::db_env_open	4003	BDB::db_env_open
2875	$DB_ENV,	4004	$DB_ENV,
2876	$BDB_ENV_DIR,	4005	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4008	0666;
2880		4009
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4011	};
2886		4012
2887	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4014	};
2889	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
2890	}	4026	}
2891		4027
2892	{	4028	{
		4029	# configure IO::AIO
		4030
2893	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4034	}
2899	data => WF_AUTOCANCEL,	4035
2900	fd => IO::AIO::poll_fileno,	4036	my $_log_backtrace;
2901	poll => 'r',	4037
2902	prio => 6,	4038	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	4039	my ($msg, @addr) = @_;
2904	);	4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
2905	}	4076	}
2906		4077
2907	# load additional modules	4078	# load additional modules
2908	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2909		4081
2910	END { cf::emergency_save }	4082	END { cf::emergency_save }
2911		4083
2912	1	4084	1
2913		4085

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