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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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 time.
		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	sub objinfo {
375	and return;
376
377	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
378	}	757	}
379		758
380	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
381		760
382	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		773
395	#############################################################################	774	#############################################################################
396		775
397	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
398		777
399	Many objects in crossfire are so-called attachable objects. That means you can	778	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")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
402		781
403	In the following description, CLASS can be any of C<global>, C<object>	782	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	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	784	Deliantra).
406		785
407	=over 4	786	=over 4
408		787
409	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
410		789
…		…
454	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
455		834
456	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
458		837
459	Some classes such as crossfire maps and objects can specify attachments	838	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.	839	that are attached at load/instantiate time, thus the need for a name.
461		840
462	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
463		842
464	=over 4	843	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
574		953
575	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		958
580	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	960	my $pkg = shift @arg;
582		961
583	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
613	}	992	}
614		993
615	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
616	} else {	995	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	997	}
619		998
620	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
621	}	1000	}
622		1001
…		…
624	if (ref $_[0]) {	1003	if (ref $_[0]) {
625	_object_attach @_;	1004	_object_attach @_;
626	} else {	1005	} else {
627	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
628	}	1007	}
		1008	_recalc_want;
629	};	1009	};
630		1010
631	# all those should be optimised	1011	# all those should be optimised
632	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1017	reattach ($obj);
638	} else {	1018	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
640	}	1020	}
		1021	_recalc_want;
641	};	1022	};
642		1023
643	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
645		1026
…		…
660	";	1041	";
661	die if $@;	1042	die if $@;
662	}	1043	}
663		1044
664	our $override;	1045	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1047
667	sub override {	1048	sub override {
668	$override = 1;	1049	$override = 1;
669	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
670	}	1051	}
671		1052
672	sub do_invoke {	1053	sub do_invoke {
673	my $event = shift;	1054	my $event = shift;
674	my $callbacks = shift;	1055	my $callbacks = shift;
675		1056
676	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
677		1058
678	local $override;	1059	local $override;
679		1060
680	for (@$callbacks) {	1061	for (@$callbacks) {
681	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
690	}	1071	}
691		1072
692	0	1073	0
693	}	1074	}
694		1075
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1077
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1079
699	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
700		1081
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	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	1083	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1085
705	=back	1086	=back
706		1087
707	=cut	1088	=cut
708		1089
709	#############################################################################	1090	#############################################################################
710	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
711		1134
712	sub reattach {	1135	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1137	my ($obj) = @_;
715		1138
		1139	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1141
718	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
719		1143
720	@$registry = ();	1144	@$registry = ();
721		1145
…		…
736	cf::attachable->attach (	1160	cf::attachable->attach (
737	prio => -1000000,	1161	prio => -1000000,
738	on_instantiate => sub {	1162	on_instantiate => sub {
739	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
740		1164
741	$data = from_json $data;	1165	$data = decode_json $data;
742		1166
743	for (@$data) {	1167	for (@$data) {
744	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
745		1169
746	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1186	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
764		1188
765	sync_job {	1189	sync_job {
766	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
769		1194
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1202	aio_close $fh;
775		1203
776	if (@$objs) {	1204	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
782	close $fh;	1213	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
784	}	1215	}
785	} else {	1216	} else {
786	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
787	}	1218	}
788		1219
789	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1224	} else {
791	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
792	}	1226	}
793	} else {	1227	} else {
794	aio_unlink $filename;	1228	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
796	}	1230	}
797	}	1231	};
798	}	1232	}
799		1233
800	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
802		1236
…		…
814	or return;	1248	or return;
815		1249
816	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
818	or return;	1252	or return;
		1253
819	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
820	}	1256	}
821		1257
		1258	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
824	return ($data, $av);	1262	($data, $av)
825	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
826		1270
827	#############################################################################	1271	#############################################################################
828	# command handling &c	1272	# command handling &c
829		1273
830	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1288	}
845		1289
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1291
848	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
849		1297
850	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
851	called.	1299	called.
852		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
853	=cut	1312	=cut
854		1313
855	sub register_extcmd {	1314	sub register_extcmd {
856	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
857		1316
858	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
859	}	1318	}
860		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
861	cf::player->attach (	1328	cf::player->attach (
862	on_command => sub {	1329	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
864		1331
865	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
866	or return;	1333	or return;
867		1334
…		…
872	cf::override;	1339	cf::override;
873	},	1340	},
874	on_extcmd => sub {	1341	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
876		1343
877	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1345
879	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
885	} else {	1361	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1363	}
888		1364
889	cf::override;	1365	cf::override;
890	},	1366	},
891	);	1367	);
892		1368
		1369	# "readahead" all extensions
893	sub load_extension {	1370	sub cache_extensions {
894	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
895		1372
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1375	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	}	1376	}
921	die $@;
922	}	1377	};
923		1378
924	push @EXTS, $pkg;	1379	$grp
925	}	1380	}
926		1381
927	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
928	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1387	next unless -r $path;
930	eval {	1388
931	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
932	1	1449	}
933	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
934	}	1460	};
935	}	1461	}
936		1462
937	#############################################################################	1463	#############################################################################
938		1464
		1465	=back
		1466
939	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
940		1468
941	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
942		1470
943	=cut	1471	=cut
944		1472
945	package cf::player;	1473	package cf::player;
946		1474
…		…
948		1476
949	=head3 cf::player	1477	=head3 cf::player
950		1478
951	=over 4	1479	=over 4
952		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
953	=item cf::player::find $login	1495	=item cf::player::find $login
954		1496
955	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
956		1498
957	=cut	1499	=cut
958		1500
959	sub playerdir($) {	1501	sub playerdir($) {
960	cf::localdir	1502	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1504	}
966		1505
967	sub path($) {	1506	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1517
979	sub exists($) {	1518	sub exists($) {
980	my ($login) = @_;	1519	my ($login) = @_;
981		1520
982	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
984	}	1523	}
985		1524
986	sub find($) {	1525	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1527	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
999		1538
1000	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1003	}	1548	}
1004	}	1549	}
1005	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1006		1564
1007	sub save($) {	1565	sub save($) {
1008	my ($pl) = @_;	1566	my ($pl) = @_;
1009		1567
1010	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1016		1574
1017	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1019		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1020	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1021	Coro::cede;	1584	cf::cede_to_tick;
1022	}	1585	}
1023		1586
1024	sub new($) {	1587	sub new($) {
1025	my ($login) = @_;	1588	my ($login) = @_;
1026		1589
…		…
1032	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1033		1596
1034	$self	1597	$self
1035	}	1598	}
1036		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1037	=item $pl->quit_character	1610	=item $pl->quit_character
1038		1611
1039	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1041		1614
…		…
1045	my ($pl) = @_;	1618	my ($pl) = @_;
1046		1619
1047	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1048		1621
1049	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1624
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1056		1631
1057	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1089		1664
1090	=cut	1665	=cut
1091		1666
1092	sub list_logins {	1667	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1669	or return [];
1095		1670
1096	my @logins;	1671	my @logins;
1097		1672
1098	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1102		1683
1103	utf8::decode $login;	1684	utf8::decode $login;
1104	push @logins, $login;	1685	push @logins, $login;
1105	}	1686	}
1106		1687
…		…
1133	}	1714	}
1134		1715
1135	\@paths	1716	\@paths
1136	}	1717	}
1137		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1138	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1139		1724
1140	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1141		1726
1142	=cut	1727	=cut
1143		1728
1144	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1146		1731
1147	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1733	}
1151		1734
1152	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1153		1736
1154	Sends an ext event to the client.	1737	Sends an ext event to the client.
1155		1738
1156	=cut	1739	=cut
1157		1740
1158	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1160		1743
1161	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1162	}	1745	}
1163		1746
1164	=head3 cf::region	1747	=head3 cf::region
1165		1748
1166	=over 4	1749	=over 4
…		…
1169		1752
1170	package cf::region;	1753	package cf::region;
1171		1754
1172	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1173		1756
1174	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1175		1758
1176	=cut	1759	=cut
1177		1760
1178	sub find_by_path($) {	1761	sub find_by_path($) {
1179	my ($path) = @_;	1762	my ($path) = @_;
1180		1763
1181	my ($match, $specificity);	1764	my ($match, $specificity);
1182		1765
1183	for my $region (list) {	1766	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1187	}	1770	}
1188	}	1771	}
1189		1772
…		…
1210	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1212		1795
1213	sub generate_random_map {	1796	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1215	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1802	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1253	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1254		1840
1255	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1256	local $self->{path};	1842	local $self->{path};
1257	local $self->{load_path};	1843	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1844
1261	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1262	}	1846	}
1263		1847
1264	sub normalise {	1848	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1312	return $self;	1896	return $self;
1313	}	1897	}
1314	}	1898	}
1315		1899
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1901	()
1318	}	1902	}
1319		1903
1320	sub init {	1904	sub init {
1321	my ($self) = @_;	1905	my ($self) = @_;
…		…
1336		1920
1337	# the original (read-only) location	1921	# the original (read-only) location
1338	sub load_path {	1922	sub load_path {
1339	my ($self) = @_;	1923	my ($self) = @_;
1340		1924
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1925	"$MAPDIR/$self->{path}.map"
1342	}	1926	}
1343		1927
1344	# the temporary/swap location	1928	# the temporary/swap location
1345	sub save_path {	1929	sub save_path {
1346	my ($self) = @_;	1930	my ($self) = @_;
1347		1931
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1933	"$TMPDIR/$path.map"
1350	}	1934	}
1351		1935
1352	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1353	sub uniq_path {	1937	sub uniq_path {
1354	my ($self) = @_;	1938	my ($self) = @_;
1355		1939
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1941	"$UNIQUEDIR/$path"
1358	}	1942	}
1359		1943
1360	# and all this just because we cannot iterate over	1944	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1945	my ($self) = @_;
1364		1946
1365	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1367	}	1950	}
1368		1951
1369	sub unlink_save {	1952	sub unlink_save {
1370	my ($self) = @_;	1953	my ($self) = @_;
1371		1954
…		…
1376		1959
1377	sub load_header_from($) {	1960	sub load_header_from($) {
1378	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1379		1962
1380	utf8::encode $path;	1963	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1386		1972
1387	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1388		1974
1389	1	1975	1
1390	}	1976	}
…		…
1429	$self->load_header_orig	2015	$self->load_header_orig
1430	or return;	2016	or return;
1431	$self->prepare_orig;	2017	$self->prepare_orig;
1432	}	2018	}
1433		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1434	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2024	unless $self->default_region;
1436		2025
1437	1	2026	1
1438	}	2027	}
…		…
1441	sub find {	2030	sub find {
1442	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1443		2032
1444	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1445		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2037
1448	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1451	or return;	2040	or return;
1452		2041
1453	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1454		2043
1455	$map->load_header	2044	$map->load_header
1456	or return;	2045	or return;
1457		2046
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1461	$map->reset;	2052	$map->reset;
1462	undef $guard;
1463	return find $path;	2053	return find $path;
1464	}	2054	}
1465		2055
1466	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1467	}	2057	}
1468	}	2058	}
1469		2059
1470	sub pre_load { }	2060	sub pre_load { }
1471	sub post_load { }	2061	#sub post_load { } # XS
1472		2062
1473	sub load {	2063	sub load {
1474	my ($self) = @_;	2064	my ($self) = @_;
1475		2065
1476	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1477		2067
1478	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1480		2072
		2073	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2075
1483	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1484		2077
1485	$self->alloc;	2078	$self->alloc;
1486		2079
1487	$self->pre_load;	2080	$self->pre_load;
1488	Coro::cede;	2081	cf::cede_to_tick;
1489		2082
1490	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1491	or return;	2086	or return;
1492		2087
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1494	if delete $self->{load_original};	2089	if delete $self->{load_original};
1495		2090
1496	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2092	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2095	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1501	}	2099	}
1502	}	2100	}
1503		2101
1504	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1505	# now do the right thing for maps	2105	# now do the right thing for maps
1506	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	2107	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2108	unless $self->difficulty;
1517	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1518	$self->activate;	2116	$self->activate;
1519	Coro::cede;	2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2123	}
1521		2124
1522	$self->post_load;	2125	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2126	}
1527		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2131	sub customise_for {
1529	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1530		2133
1531	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2135	if $self->per_player;
1533		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1534	$self	2140	$self
1535	}	2141	}
1536		2142
1537	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2144	sub load_neighbours {
1539	my ($map) = @_;	2145	my ($map) = @_;
1540		2146
1541	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1542		2148
1543	for (0 .. 3) {	2149	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1545	or next;	2151	or next;
1546	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1547	or next;	2153	or next;
1548	$neigh->load;	2154	$neigh->load;
1549		2155
		2156	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2159	}
1553		2160
1554	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1556	or next;	2164	or next;
1557	$neigh->load;	2165	$neigh->load;
1558	}	2166	}
1559	}	2167	}
1560		2168
…		…
1565	}	2173	}
1566		2174
1567	sub do_load_sync {	2175	sub do_load_sync {
1568	my ($map) = @_;	2176	my ($map) = @_;
1569		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1570	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1571	}	2182	}
1572		2183
1573	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1575		2186
1576	sub find_async {	2187	sub find_async {
1577	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1578		2189
1579	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1580		2191
1581	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2194	}
1584		2195
1585	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1586	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1587	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2203	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2204	$map->load if $v;
		2205	}
1592		2206
1593	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1594	}	2208	}
1595	}	2209	}
1596	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1597	};	2211	};
1598	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2215	}
1602		2216
1603	sub save {	2217	sub save {
1604	my ($self) = @_;	2218	my ($self) = @_;
1605		2219
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2221
1608	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1609		2223
1610	return unless $self->dirty;	2224	return unless $self->dirty;
1611		2225
…		…
1617	return if $self->{deny_save};	2231	return if $self->{deny_save};
1618		2232
1619	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1620		2234
1621	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1623	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1624		2241
1625	if ($uniq) {	2242	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2245	} else {
…		…
1634	my ($self) = @_;	2251	my ($self) = @_;
1635		2252
1636	# save first because save cedes	2253	# save first because save cedes
1637	$self->save;	2254	$self->save;
1638		2255
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2257
1641	return if $self->players;	2258	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2260	return if $self->{deny_save};
1644		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2266	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2267	}
1648		2268
1649	sub reset_at {	2269	sub reset_at {
1650	my ($self) = @_;	2270	my ($self) = @_;
1651		2271
1652	# TODO: safety, remove and allow resettable per-player maps	2272	# 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};	2273	return 1e99 if $self->{deny_reset};
1655		2274
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2277
…		…
1669	my ($self) = @_;	2288	my ($self) = @_;
1670		2289
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2291
1673	return if $self->players;	2292	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2293
1676	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1677		2295
1678	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1679		2297
1680	# need to save uniques path	2298	# need to save uniques path
1681	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2303	if $uniq;
1686	}	2304	}
1687		2305
1688	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1689		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2310	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2311
1694	$self->unlink_save;	2312	$self->unlink_save;
1695	$self->destroy;	2313	$self->destroy;
1696	}	2314	}
1697		2315
1698	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1699		2317
1700	sub nuke {	2318	sub nuke {
1701	my ($self) = @_;	2319	my ($self) = @_;
1702		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1703	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1704		2325
1705	$self->unlink_save;	2326	$self->unlink_save;
1706		2327
1707	bless $self, "cf::map";	2328	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2333
1713	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1714		2336
1715	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1716	}	2374	}
1717		2375
1718	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1719		2377
1720	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2379	instantiated unique items. May block.
1722		2380
1723	=cut	2381	=cut
1724		2382
1725	sub unique_maps() {	2383	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2384	[
1727	or return;	2385	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2386	utf8::decode $_;
1733	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2389	? ()
1736	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2392	]
1738
1739	\@paths
1740	}	2393	}
1741		2394
1742	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1743		2426
1744	=back	2427	=back
1745		2428
1746	=head3 cf::object	2429	=head3 cf::object
1747		2430
…		…
1751		2434
1752	=over 4	2435	=over 4
1753		2436
1754	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1755		2438
1756	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1757		2441
1758	=cut	2442	=cut
1759		2443
1760	sub inv_recursive_;	2444	sub inv_recursive_;
1761	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1764		2448
1765	sub inv_recursive {	2449	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1767	}	2451	}
1768		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1769	package cf;	2481	package cf;
1770		2482
1771	=back	2483	=back
1772		2484
1773	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	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	2492	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1782		2494
1783	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1784		2510
1785	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2512	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1790		2516
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2518
1793	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1795	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1798	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1799	}	2544	}
1800		2545
1801	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1802		2547
1803	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1816		2561
1817	=item $player_object->enter_link	2562	=item $player_object->enter_link
1818		2563
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2565
1821	The player should be reasonably safe there for short amounts of time. You	2566	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.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1823		2570
1824	Will never block.	2571	Will never block.
1825		2572
1826	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1827		2574
…		…
1850	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1851		2598
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2600
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1856		2603
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2605	}
1859		2606
1860	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1862		2611
1863	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1864		2613
1865	unless ($map) {	2614	unless ($map) {
1866	# restore original map position	2615	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1879		2628
1880	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1883		2632
1884	$map->load;	2633	$map->load;
1885	$map->load_diag;	2634	$map->load_neighbours;
1886		2635
1887	return unless $self->contr->active;	2636	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2637
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1892	}
1893		2640
1894	cf::player->attach (	2641	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2642	$self->activate_recursive;
1896	my ($pl) = @_;	2643	}
1897		2644
1898	# abort map switching before logout	2645	=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		2646
1908	# try to abort aborted map switching on player login :)	2647	Moves the player to the given map-path and coordinates by first freezing
1909	# should happen only on crashes	2648	her, loading and preparing them map, calling the provided $check callback
1910	if ($pl->ob->{_link_pos}) {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1911	$pl->ob->enter_link;	2650	the new (success) or old (failed) map position. In either case, $done will
1912	(async {	2651	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		2652
1926	=item $player_object->goto ($path, $x, $y)	2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
1927		2655
1928	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1929		2659
1930	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2665
1933	$self->enter_link;	2666	$self->enter_link;
1934		2667
1935	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
1936	my $map = eval {	2690	my $map = eval {
1937	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
		2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
		2699
1939	$map	2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2706	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1944	})->prio (1);	2714	})->prio (1);
1945	}	2715	}
1946		2716
1947	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1948		2718
…		…
1968	}	2738	}
1969		2739
1970	sub prepare_random_map {	2740	sub prepare_random_map {
1971	my ($exit) = @_;	2741	my ($exit) = @_;
1972		2742
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2745	# that depends on the exit object
1978		2746
1979	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2749	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
1986	}	2756	}
1987		2757
1988	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
1989		2759
1990	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
1993		2763
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2766	undef $fh;
1997	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
1998		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2001	}	2775	}
2002	}	2776	}
2003		2777
2004	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2006		2780
2007	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2008		2782
2009	if ($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;	2783	$self->enter_link;
2021		2784
2022	(async {	2785	(async {
2023	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2024	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2025	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2026		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2027	1;	2809	1
2028	}) {	2810	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2815
2034	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2053		2835
2054	utf8::encode $text;	2836	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2838	}
2057		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2058	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2059		3028
2060	Sends an exti event to the client.	3029	Sends an ext event to the client.
2061		3030
2062	=cut	3031	=cut
2063		3032
2064	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2066		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2069	}	3060	}
2070		3061
2071	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2072		3063
2073	Queues a query to the client, calling the given callback with	3064	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>,	3065	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>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3067
2077	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3069	become reliable at some point in the future.
2079		3070
2080	=cut	3071	=cut
2081		3072
2082	sub cf::client::query {	3073	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3082	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3084
2094	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2096	}	3089	}
2097		3090
2098	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2099	on_reply => sub {	3097	on_reply => sub {
2100	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2101		3099
2102	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2103	# get handled first	3101	# get handled first
…		…
2115	} else {	3113	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3115	}
2118	}	3116	}
2119	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2120	);	3144	);
2121		3145
2122	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2123		3147
2124	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3164
2141	$coro	3165	$coro
2142	}	3166	}
2143		3167
2144	cf::client->attach (	3168	cf::client->attach (
2145	on_destroy => sub {	3169	on_client_destroy => sub {
2146	my ($ns) = @_;	3170	my ($ns) = @_;
2147		3171
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3173	},
2150	);	3174	);
…		…
2165	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2167		3191
2168	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2169		3193
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2171		3199
2172	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2173		3201
2174	=pod	3202	=pod
2175		3203
2176	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2177		3205
2178	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2179	cf::object::player player	3211	cf::object::player
2180	cf::player peaceful	3212	player
2181	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2182		3219
2183	=cut	3220	=cut
2184		3221
2185	for (	3222	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2190	) {	3229	) {
2191	no strict 'refs';	3230	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3250
2212	my $qcode = $code;	3251	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2215		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2216	local $_;	3258	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3259
2219	my $eval =	3260	my $eval =
2220	"do {\n"	3261	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3264	. $code
2224	. "\n}"	3265	. "\n}"
2225	;	3266	;
2226		3267
		3268	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2230		3277
2231	if ($@) {	3278	if ($@) {
2232	warn "$@";	3279	warn "$@";
2233	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3300	=cut
2254		3301
2255	sub register_script_function {	3302	sub register_script_function {
2256	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2257		3304
2258	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2260	}	3307	}
2261		3308
2262	=back	3309	=back
2263		3310
2264	=cut	3311	=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	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3312
2434	#############################################################################	3313	#############################################################################
2435	# the server's init and main functions	3314	# the server's init and main functions
2436		3315
2437	sub load_facedata($) {	3316	sub load_facedata($) {
2438	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3324
2440	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2441		3326
2442	my $facedata;	3327	my $facedata;
2443	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2447		3332
2448	$facedata->{version} == 2	3333	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2451	{	3345	{
2452	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2453		3347
2454	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3355
		3356	cf::cede_to_tick;
2460	}	3357	}
2461		3358
2462	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2464	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2465	or next;	3363	or next;
		3364
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3368	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3370	}
2471	Coro::cede;	3371
		3372	cf::cede_to_tick;
2472	}	3373	}
2473	}	3374	}
2474		3375
2475	{	3376	{
2476	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2477		3378
2478	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3381	cf::cede_to_tick;
2481	}	3382	}
2482		3383
2483	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2484	}	3385	}
2485		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2486	1	3406	1
2487	}	3407	}
2488		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
		3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
		3452	load_resource_file "$MAPDIR/regions"
		3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
		3459	}
		3460
2489	sub reload_facedata {	3461	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3462	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
2492	}	3464	}
2493		3465
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3466	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3467	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3468	or die "unable to load archetypes\n";
2502	}	3469	}
2503		3470
2504	sub reload_treasures {	3471	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3472	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3473	or die "unable to load treasurelists\n";
2507	}	3474	}
2508		3475
2509	sub reload_resources {	3476	sub reload_resources {
2510	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2511		3478
2512	reload_regions;
2513	reload_facedata;	3479	reload_facedata;
2514	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2515	reload_treasures;	3482	reload_treasures;
2516		3483
2517	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2518	}	3485	}
2519		3486
2520	sub init {	3487	sub reload_config {
2521	reload_resources;	3488	warn "reloading config file...\n";
2522	}
2523		3489
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3491	or return;
2527		3492
2528	local $/;	3493	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2530		3495
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3497
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2539	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2540	};	3505	};
2541	warn $@ if $@;	3506	warn $@ if $@;
2542	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2543	}	3538	}
2544		3539
2545	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	cf::init_experience;
		3549	cf::init_anim;
		3550	cf::init_attackmess;
		3551	cf::init_dynamic;
		3552
		3553	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3554
2546	# we must not ever block the main coroutine	3555	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3556	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3557	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3558	(async {
2550	Event::one_event;	3559	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3560	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3561	})->prio (Coro::PRIO_MAX);
2552	};	3562	};
2553		3563
2554	cfg_load;	3564	evthread_start IO::AIO::poll_fileno;
		3565
		3566	cf::sync_job {
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2555	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2556	load_extensions;	3582	load_extensions;
2557		3583
2558	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2560	}	3594	}
2561		3595
2562	#############################################################################	3596	#############################################################################
2563	# initialisation and cleanup	3597	# initialisation and cleanup
2564		3598
2565	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2566	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2575	},
2576	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2577	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2578	}	3695	}
2579		3696
2580	sub emergency_save() {	3697	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2582		3699
2583	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2584		3701
2585	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2586	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3716	$pl->save;
2594	}	3717	}
2595	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2596		3719
2597	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3723	$map->valid or next;
2601	$map->save;	3724	$map->save;
2602	}	3725	}
2603	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2604		3727
2605	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2608	};	3735	};
2609		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2610	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2611	}	3743	}
2612		3744
2613	sub post_cleanup {	3745	sub post_cleanup {
2614	my ($make_core) = @_;	3746	my ($make_core) = @_;
2615		3747
2616	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2618	}	3779	}
2619		3780
2620	sub do_reload_perl() {	3781	sub do_reload_perl() {
2621	# can/must only be called in main	3782	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2623	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2624	return;	3785	return;
2625	}	3786	}
2626		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2627	warn "reloading...";	3793	warn "reloading...";
2628		3794
2629	warn "entering sync_job";	3795	warn "entering sync_job";
2630		3796
2631	cf::sync_job {	3797	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3799	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2635		3801
2636	warn "syncing database to disk";	3802	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3804
2639	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2640		3806
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3810	}
2677		3811
2678	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2680	}	3814	%EXT_CORO = ();
2681		3815
2682	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3825	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3826
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2693	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2694	}	3836	}
2695		3837
2696	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2697	}	3853	}
2698		3854
2699	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3858
2703	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
		3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3862
2706	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3864	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2709		3866
2710	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2711		3868
2712	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2713	require cf;	3870	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2715		3872
2716	warn "loading config and database again";	3873	warn "loading config and database again";
2717	cf::cfg_load;	3874	cf::reload_config;
2718		3875
2719	warn "loading extensions";	3876	warn "loading extensions";
2720	cf::load_extensions;	3877	cf::load_extensions;
2721		3878
		3879	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2728		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2729	warn "leaving sync_job";	3891	warn "leaving sync_job";
2730		3892
2731	1	3893	1
2732	} or do {	3894	} or do {
2733	warn $@;	3895	warn $@;
2734	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3897	};
2737		3898
2738	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2739	};	3905	};
2740		3906
2741	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2742		3908
2743	sub reload_perl() {	3909	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2746		3912
2747	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	3915
2750	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	3917	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2754	},	3919	};
2755	);	3920	};
2756	}	3921	}
2757		3922
2758	register_command "reload" => sub {	3923	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2760		3925
2761	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3930	reload_perl;
		3931	};
2764	}	3932	}
2765	};	3933	};
2766		3934
2767	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2768		3936
…		…
2770		3938
2771	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2773		3941
2774	sub wait_for_tick {	3942	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		3944
2778	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3947	$signal->wait;
2781	}	3948	}
2782		3949
2783	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		3952
2787	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3955	$signal->wait;
2790	}	3956	}
2791		3957
2792	$TICK_WATCHER = Event->timer (	3958	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2802	return;	3962	return;
2803	}	3963	}
2804		3964
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2808		3966
2809	$RUNTIME += $TICK;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		3968
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3971	Coro::async_pool {
		3972	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3973	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3975	};
		3976	}
2819		3977
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3979	$sig->send;
2831	}	3980	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3982	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3983	}
2838	);	3984
		3985	$LOAD = ($NOW - $TICK_START) / $TICK;
		3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3987
		3988	if (0) {
		3989	if ($NEXT_TICK) {
		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
		3994	}
		3995	}
2839		3996
2840	{	3997	{
2841	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3999
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2851		4001	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		4003
2867	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4011
2870	cf::sync_job {	4012	cf::sync_job {
2871	eval {	4013	eval {
2872	BDB::db_env_open	4014	BDB::db_env_open
2873	$DB_ENV,	4015	$DB_ENV,
2874	$BDB_ENV_DIR,	4016	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4019	0666;
2878		4020
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	4022	};
2884		4023
2885	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4025	};
2887	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
2888	}	4037	}
2889		4038
2890	{	4039	{
		4040	# configure IO::AIO
		4041
2891	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4045	}
2897	data => WF_AUTOCANCEL,	4046
2898	fd => IO::AIO::poll_fileno,	4047	my $_log_backtrace;
2899	poll => 'r',	4048
2900	prio => 6,	4049	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	4050	my ($msg, @addr) = @_;
2902	);	4051
		4052	$msg =~ s/\n//;
		4053
		4054	# limit the # of concurrent backtraces
		4055	if ($_log_backtrace < 2) {
		4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
		4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
		4061	my @bt = fork_call {
		4062	@addr = map { sprintf "%x", $_ } @addr;
		4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4065	or die "addr2line: $!";
		4066
		4067	my @funcs;
		4068	my @res = <$fh>;
		4069	chomp for @res;
		4070	while (@res) {
		4071	my ($func, $line) = splice @res, 0, 2, ();
		4072	push @funcs, "[$func] $line";
		4073	}
		4074
		4075	@funcs
		4076	};
		4077
		4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4080	LOG llevInfo, "[ABT] $_\n" for @bt;
		4081	--$_log_backtrace;
		4082	};
		4083	} else {
		4084	LOG llevInfo, "[ABT] $msg\n";
		4085	LOG llevInfo, "[ABT] [suppressed]\n";
		4086	}
2903	}	4087	}
2904		4088
2905	# load additional modules	4089	# load additional modules
2906	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
2907		4092
2908	END { cf::emergency_save }	4093	END { cf::emergency_save }
2909		4094
2910	1	4095	1
2911		4096

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