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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 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 Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.61 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	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;
58		115
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	118	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
69		127
70	our %CFG;	128	our %CFG;
71		129
72	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
74		133
75	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		137
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		150
84	binmode STDOUT;	151	binmode STDOUT;
85	binmode STDERR;	152	binmode STDERR;
86		153
87	# read virtual server time, if available	154	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
92	}	159	}
93		160
94	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	162
96	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		165
101	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
102		167
103	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		184
105	#############################################################################	185	#############################################################################
106		186
107	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
108		188
…		…
115	=item $cf::RUNTIME	195	=item $cf::RUNTIME
116		196
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	198	every server tick.
119		199
120	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		203
122	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
124		208
125	=item $cf::NOW	209	=item $cf::NOW
126		210
127	The time of the last (current) server tick.	211	The time of the last (current) server tick.
128		212
129	=item $cf::TICK	213	=item $cf::TICK
130		214
131	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
132		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
133	=item %cf::CFG	227	=item %cf::CFG
134		228
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	230	from wherever your confdir points to.
137		231
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		233
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
144	=back	250	=back
145		251
146	=cut	252	=cut
147		253
148	BEGIN {	254	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	255	my $msg = join "", @_;
151	utf8::encode $msg;
152		256
153	$msg .= "\n"	257	$msg .= "\n"
154	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
155		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
156	LOG llevError, $msg;	262	LOG llevError, $msg;
157	};	263	};
158	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
159		278
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		286
167	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	288	# within the Safe compartment.
169	for my $pkg (qw(	289	for my $pkg (qw(
170	cf::global cf::attachable	290	cf::global cf::attachable
171	cf::object cf::object::player	291	cf::object cf::object::player
172	cf::client cf::player	292	cf::client cf::player
173	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
174	cf::map cf::party cf::region	295	cf::party cf::region
175	)) {	296	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	298	}
179		299
180	$Event::DIED = sub {	300	$EV::DIED = sub {
181	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
182	};	302	};
		303
		304	#############################################################################
183		305
184	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
185		307
186	=over 4	308	=over 4
187		309
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	329	$d
208	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
209	}	331	}
210		332
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
214		334
215	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
216		336
217	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
218		338
219	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
220		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
221	=item cf::lock_wait $string	362	=item cf::lock_wait $string
222		363
223	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
224		365
225	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
226		367
227	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
230	returned.	371	returned.
231		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
232	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
234		378
235	=cut	379	=item $locked = cf::lock_active $string
236		380
237	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
238		386
239	sub lock_wait($) {	387	sub lock_wait($) {
240	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	389	}
248		390
249	sub lock_acquire($) {	391	sub lock_acquire($) {
250	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
251		394
252	# wait, to be sure we are not locked	395	sub lock_active($) {
253	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	397	}
262		398
263	sub freeze_mainloop {	399	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
265		401
266	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
268	};	469	}
269	$TICK_WATCHER->stop;	470	};
270	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
271	}	485	}
272		486
273	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
274		488
275	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		494
281	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
282		496
283	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
284		498
285	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
288		503
289	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
292	fast or be very important.	507	fast or be very important.
…		…
295		510
296	sub sync_job(&) {	511	sub sync_job(&) {
297	my ($job) = @_;	512	my ($job) = @_;
298		513
299	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
300	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
302		519
303	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	521
305	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
306		523
307	my $busy = 1;	524	my $busy = 1;
308	my @res;	525	my @res;
309		526
310	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	529	@res = eval { $job->() };
312	warn $@ if $@;	530	warn $@ if $@;
313	undef $busy;	531	undef $busy;
314	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
315		533
316	while ($busy) {	534	while ($busy) {
317	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
318	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
319		545
320	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
321	} else {	547	} else {
322	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
323		549
…		…
343	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
344		570
345	$coro	571	$coro
346	}	572	}
347		573
348	sub write_runtime {	574	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		575
351	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
352		580
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
354	or return;
355		582
356	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		585
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
361	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
362		589
363	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	591	reset_signals;
365	and return;	592	&$cb
		593	}, @args;
366		594
367	close $fh	595	wantarray ? @res : $res[-1]
368	or return;	596	}
369		597
370	aio_rename "$runtime~", $runtime	598	sub objinfo {
371	and return;
372
373	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
374	}	761	}
375		762
376	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
377		764
378	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		777
391	#############################################################################	778	#############################################################################
392		779
393	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
394		781
395	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
398		785
399	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	788	Deliantra).
402		789
403	=over 4	790	=over 4
404		791
405	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
406		793
…		…
450	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
451		838
452	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
454		841
455	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
457		844
458	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
459		846
460	=over 4	847	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
570		957
571	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		962
576	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	964	my $pkg = shift @arg;
578		965
579	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
609	}	996	}
610		997
611	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
612	} else {	999	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	1001	}
615		1002
616	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
617	}	1004	}
618		1005
…		…
620	if (ref $_[0]) {	1007	if (ref $_[0]) {
621	_object_attach @_;	1008	_object_attach @_;
622	} else {	1009	} else {
623	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
624	}	1011	}
		1012	_recalc_want;
625	};	1013	};
626		1014
627	# all those should be optimised	1015	# all those should be optimised
628	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1021	reattach ($obj);
634	} else {	1022	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
636	}	1024	}
		1025	_recalc_want;
637	};	1026	};
638		1027
639	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
641		1030
…		…
656	";	1045	";
657	die if $@;	1046	die if $@;
658	}	1047	}
659		1048
660	our $override;	1049	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1051
663	sub override {	1052	sub override {
664	$override = 1;	1053	$override = 1;
665	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
666	}	1055	}
667		1056
668	sub do_invoke {	1057	sub do_invoke {
669	my $event = shift;	1058	my $event = shift;
670	my $callbacks = shift;	1059	my $callbacks = shift;
671		1060
672	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
673		1062
674	local $override;	1063	local $override;
675		1064
676	for (@$callbacks) {	1065	for (@$callbacks) {
677	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
686	}	1075	}
687		1076
688	0	1077	0
689	}	1078	}
690		1079
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1081
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1083
695	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
696		1085
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1089
701	=back	1090	=back
702		1091
703	=cut	1092	=cut
704		1093
705	#############################################################################	1094	#############################################################################
706	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
707		1138
708	sub reattach {	1139	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1141	my ($obj) = @_;
711		1142
		1143	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1145
714	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
715		1147
716	@$registry = ();	1148	@$registry = ();
717		1149
…		…
732	cf::attachable->attach (	1164	cf::attachable->attach (
733	prio => -1000000,	1165	prio => -1000000,
734	on_instantiate => sub {	1166	on_instantiate => sub {
735	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
736		1168
737	$data = from_json $data;	1169	$data = decode_json $data;
738		1170
739	for (@$data) {	1171	for (@$data) {
740	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
741		1173
742	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1190	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
760		1192
761	sync_job {	1193	sync_job {
762	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
765		1198
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
770	close $fh;	1206	aio_close $fh;
771		1207
772	if (@$objs) {	1208	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
778	close $fh;	1217	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
780	}	1219	}
781	} else {	1220	} else {
782	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
783	}	1222	}
784		1223
785	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1228	} else {
787	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
788	}	1230	}
789	} else {	1231	} else {
790	aio_unlink $filename;	1232	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
792	}	1234	}
793	}	1235	};
794	}	1236	}
795		1237
796	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
798		1240
…		…
810	or return;	1252	or return;
811		1253
812	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
814	or return;	1256	or return;
		1257
815	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
816	}	1260	}
817		1261
		1262	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
820	return ($data, $av);	1266	($data, $av)
821	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
822		1274
823	#############################################################################	1275	#############################################################################
824	# command handling &c	1276	# command handling &c
825		1277
826	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1292	}
841		1293
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1295
844	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
845		1301
846	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
847	called.	1303	called.
848		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
849	=cut	1316	=cut
850		1317
851	sub register_extcmd {	1318	sub register_extcmd {
852	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
853		1320
854	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
855	}	1322	}
856		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
857	cf::player->attach (	1332	cf::player->attach (
858	on_command => sub {	1333	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
860		1335
861	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
862	or return;	1337	or return;
863		1338
…		…
868	cf::override;	1343	cf::override;
869	},	1344	},
870	on_extcmd => sub {	1345	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
872		1347
873	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1349
875	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
881	} else {	1365	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1367	}
884		1368
885	cf::override;	1369	cf::override;
886	},	1370	},
887	);	1371	);
888		1372
		1373	# "readahead" all extensions
889	sub load_extension {	1374	sub cache_extensions {
890	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
891		1376
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1380	}
917	die $@;
918	}	1381	};
919		1382
920	push @EXTS, $pkg;	1383	$grp
921	}	1384	}
922		1385
923	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
924	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1391	next unless -r $path;
926	eval {	1392
927	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
928	1	1456	}
929	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
930	}	1467	};
931	}	1468	}
932		1469
933	#############################################################################	1470	#############################################################################
934		1471
		1472	=back
		1473
935	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
936		1475
937	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
938		1477
939	=cut	1478	=cut
940		1479
941	package cf::player;	1480	package cf::player;
942		1481
…		…
944		1483
945	=head3 cf::player	1484	=head3 cf::player
946		1485
947	=over 4	1486	=over 4
948		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
949	=item cf::player::find $login	1502	=item cf::player::find $login
950		1503
951	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
952		1505
953	=cut	1506	=cut
954		1507
955	sub playerdir($) {	1508	sub playerdir($) {
956	cf::localdir	1509	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1511	}
962		1512
963	sub path($) {	1513	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1524
975	sub exists($) {	1525	sub exists($) {
976	my ($login) = @_;	1526	my ($login) = @_;
977		1527
978	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
980	}	1530	}
981		1531
982	sub find($) {	1532	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1534	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
995		1545
996	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
997	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
999	}	1555	}
1000	}	1556	}
1001	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1002		1571
1003	sub save($) {	1572	sub save($) {
1004	my ($pl) = @_;	1573	my ($pl) = @_;
1005		1574
1006	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1012		1581
1013	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1015		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1016	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1017	Coro::cede;	1591	cf::cede_to_tick;
1018	}	1592	}
1019		1593
1020	sub new($) {	1594	sub new($) {
1021	my ($login) = @_;	1595	my ($login) = @_;
1022		1596
…		…
1028	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1029		1603
1030	$self	1604	$self
1031	}	1605	}
1032		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1033	=item $pl->quit_character	1617	=item $pl->quit_character
1034		1618
1035	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1037		1621
…		…
1041	my ($pl) = @_;	1625	my ($pl) = @_;
1042		1626
1043	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1044		1628
1045	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1631
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1052		1638
1053	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1085		1671
1086	=cut	1672	=cut
1087		1673
1088	sub list_logins {	1674	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1676	or return [];
1091		1677
1092	my @logins;	1678	my @logins;
1093		1679
1094	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1098		1690
1099	utf8::decode $login;	1691	utf8::decode $login;
1100	push @logins, $login;	1692	push @logins, $login;
1101	}	1693	}
1102		1694
1103	\@logins	1695	\@logins
1104	}	1696	}
1105		1697
1106	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1107		1701
1108	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1109	player. May block.	1703	player. May block.
1110		1704
1111	=cut	1705	=cut
…		…
1129	}	1723	}
1130		1724
1131	\@paths	1725	\@paths
1132	}	1726	}
1133		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1134	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1135		1733
1136	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1137		1735
1138	=cut	1736	=cut
1139		1737
1140	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1142		1740
1143	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1742	}
1147		1743
1148	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1149		1745
1150	Sends an ext event to the client.	1746	Sends an ext event to the client.
1151		1747
1152	=cut	1748	=cut
1153		1749
1154	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1156		1752
1157	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1158	}	1754	}
1159		1755
1160	=head3 cf::region	1756	=head3 cf::region
1161		1757
1162	=over 4	1758	=over 4
…		…
1165		1761
1166	package cf::region;	1762	package cf::region;
1167		1763
1168	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1169		1765
1170	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1171		1767
1172	=cut	1768	=cut
1173		1769
1174	sub find_by_path($) {	1770	sub find_by_path($) {
1175	my ($path) = @_;	1771	my ($path) = @_;
1176		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1177	my ($match, $specificity);	1775	my ($match, $specificity);
1178		1776
1179	for my $region (list) {	1777	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1183	}	1781	}
1184	}	1782	}
1185		1783
…		…
1206	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1208		1806
1209	sub generate_random_map {	1807	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1211	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1813	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1241		1842
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1844	}
1244		1845
1245	# also paths starting with '/'	1846	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1848
1248	sub thawer_merge {	1849	sub thawer_merge {
1249	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1250		1851
1251	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1252	local $self->{path};	1853	local $self->{path};
1253	local $self->{load_path};	1854	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1855
1257	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1258	}	1857	}
1259		1858
1260	sub normalise {	1859	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1308	return $self;	1907	return $self;
1309	}	1908	}
1310	}	1909	}
1311		1910
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1912	()
1314	}	1913	}
1315		1914
1316	sub init {	1915	sub init {
1317	my ($self) = @_;	1916	my ($self) = @_;
…		…
1332		1931
1333	# the original (read-only) location	1932	# the original (read-only) location
1334	sub load_path {	1933	sub load_path {
1335	my ($self) = @_;	1934	my ($self) = @_;
1336		1935
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1338	}	1937	}
1339		1938
1340	# the temporary/swap location	1939	# the temporary/swap location
1341	sub save_path {	1940	sub save_path {
1342	my ($self) = @_;	1941	my ($self) = @_;
1343		1942
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1346	}	1945	}
1347		1946
1348	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1349	sub uniq_path {	1948	sub uniq_path {
1350	my ($self) = @_;	1949	my ($self) = @_;
1351		1950
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1354	}	1953	}
1355		1954
1356	# and all this just because we cannot iterate over	1955	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1956	my ($self) = @_;
1360		1957
1361	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1363	}	1961	}
1364		1962
1365	sub unlink_save {	1963	sub unlink_save {
1366	my ($self) = @_;	1964	my ($self) = @_;
1367		1965
…		…
1372		1970
1373	sub load_header_from($) {	1971	sub load_header_from($) {
1374	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1375		1973
1376	utf8::encode $path;	1974	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1382		1983
1383	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1384		1985
1385	1	1986	1
1386	}	1987	}
…		…
1425	$self->load_header_orig	2026	$self->load_header_orig
1426	or return;	2027	or return;
1427	$self->prepare_orig;	2028	$self->prepare_orig;
1428	}	2029	}
1429		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1430	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2035	unless $self->default_region;
1432		2036
1433	1	2037	1
1434	}	2038	}
…		…
1437	sub find {	2041	sub find {
1438	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1439		2043
1440	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1441		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2048
1444	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1447	or return;	2051	or return;
1448		2052
1449	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1450		2054
1451	$map->load_header	2055	$map->load_header
1452	or return;	2056	or return;
1453		2057
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1457	$map->reset;	2063	$map->reset;
1458	undef $guard;
1459	return find $path;	2064	return find $path;
1460	}	2065	}
1461		2066
1462	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1463	}	2068	}
1464	}	2069	}
1465		2070
1466	sub pre_load { }	2071	sub pre_load { }
1467	sub post_load { }	2072	#sub post_load { } # XS
1468		2073
1469	sub load {	2074	sub load {
1470	my ($self) = @_;	2075	my ($self) = @_;
1471		2076
1472	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1473		2078
1474	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1476		2083
		2084	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2086
1479	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1480		2088
1481	$self->alloc;	2089	$self->alloc;
1482		2090
1483	$self->pre_load;	2091	$self->pre_load;
1484	Coro::cede;	2092	cf::cede_to_tick;
1485		2093
1486	$self->_load_objects ($self->{load_path}, 1)	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1487	or return;	2097	or return;
1488		2098
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1490	if delete $self->{load_original};	2100	if delete $self->{load_original};
1491		2101
1492	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2103	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2106	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1497	}	2110	}
1498	}	2111	}
1499		2112
1500	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1501	# now do the right thing for maps	2116	# now do the right thing for maps
1502	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2119	unless $self->difficulty;
1513	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1514	$self->activate;	2127	$self->activate;
1515	Coro::cede;	2128	}
		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
		2133	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2134	}
1517		2135
1518	$self->post_load;	2136	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2137	}
1523		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2142	sub customise_for {
1525	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1526		2144
1527	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2146	if $self->per_player;
1529		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1530	$self	2151	$self
1531	}	2152	}
1532		2153
1533	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2155	sub load_neighbours {
1535	my ($map) = @_;	2156	my ($map) = @_;
1536		2157
1537	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1538		2159
1539	for (0 .. 3) {	2160	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1541	or next;	2162	or next;
1542	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1543	or next;	2164	or next;
1544	$neigh->load;	2165	$neigh->load;
1545		2166
		2167	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2170	}
1549		2171
1550	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1552	or next;	2175	or next;
1553	$neigh->load;	2176	$neigh->load;
1554	}	2177	}
1555	}	2178	}
1556		2179
…		…
1561	}	2184	}
1562		2185
1563	sub do_load_sync {	2186	sub do_load_sync {
1564	my ($map) = @_;	2187	my ($map) = @_;
1565		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1566	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1567	}	2193	}
1568		2194
1569	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1571		2197
1572	sub find_async {	2198	sub find_async {
1573	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1574		2200
1575	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1576		2202
1577	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2205	}
1580		2206
1581	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1582	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1583	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2214	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2215	$map->load if $v;
		2216	}
1588		2217
1589	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1590	}	2219	}
1591	}	2220	}
1592	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1593	};	2222	};
1594	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1595		2224
1596	()	2225	()
1597	}	2226	}
1598		2227
		2228	# common code, used by both ->save and ->swapout
1599	sub save {	2229	sub _save {
1600	my ($self) = @_;	2230	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2231
1604	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1605		2233
1606	return unless $self->dirty;	2234	return unless $self->dirty;
1607		2235
…		…
1613	return if $self->{deny_save};	2241	return if $self->{deny_save};
1614		2242
1615	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1616		2244
1617	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1619	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1620		2251
1621	if ($uniq) {	2252	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2255	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2257	}
1627	}	2258	}
1628		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1629	sub swap_out {	2268	sub swap_out {
1630	my ($self) = @_;	2269	my ($self) = @_;
1631		2270
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1637	return if $self->players;	2275	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1641	$self->clear;	2286	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2287	}
1644		2288
1645	sub reset_at {	2289	sub reset_at {
1646	my ($self) = @_;	2290	my ($self) = @_;
1647		2291
1648	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1651		2294
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2297
…		…
1665	my ($self) = @_;	2308	my ($self) = @_;
1666		2309
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2311
1669	return if $self->players;	2312	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2313
1672	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1673		2315
1674	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1675		2317
1676	# need to save uniques path	2318	# need to save uniques path
1677	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2323	if $uniq;
1682	}	2324	}
1683		2325
1684	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1685		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2330	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2331
1690	$self->unlink_save;	2332	$self->unlink_save;
1691	$self->destroy;	2333	$self->destroy;
1692	}	2334	}
1693		2335
1694	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1695		2337
1696	sub nuke {	2338	sub nuke {
1697	my ($self) = @_;	2339	my ($self) = @_;
1698		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1699	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1700		2345
1701	$self->unlink_save;	2346	$self->unlink_save;
1702		2347
1703	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2353
1709	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1710		2356
1711	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1712	}	2394	}
1713		2395
1714	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1715		2397
1716	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2399	instantiated unique items. May block.
1718		2400
1719	=cut	2401	=cut
1720		2402
1721	sub unique_maps() {	2403	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1723	or return;	2405	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2406	utf8::decode $_;
1729	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2409	? ()
1732	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2412	]
1734
1735	\@paths
1736	}	2413	}
1737		2414
1738	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1739		2446
1740	=back	2447	=back
1741		2448
1742	=head3 cf::object	2449	=head3 cf::object
1743		2450
…		…
1747		2454
1748	=over 4	2455	=over 4
1749		2456
1750	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1751		2458
1752	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1753		2461
1754	=cut	2462	=cut
1755		2463
1756	sub inv_recursive_;	2464	sub inv_recursive_;
1757	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1760		2468
1761	sub inv_recursive {	2469	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1763	}	2471	}
1764		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1765	package cf;	2501	package cf;
1766		2502
1767	=back	2503	=back
1768		2504
1769	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1778		2514
1779	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1780		2530
1781	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2532	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1786		2536
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2538
1789	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1791	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1794	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1795	}	2564	}
1796		2565
1797	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1798		2567
1799	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1812		2581
1813	=item $player_object->enter_link	2582	=item $player_object->enter_link
1814		2583
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2585
1817	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1819		2590
1820	Will never block.	2591	Will never block.
1821		2592
1822	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1823		2594
…		…
1846	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1847		2618
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2620
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1852		2623
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2625	}
1855		2626
1856	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1858		2631
1859	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1860		2633
1861	unless ($map) {	2634	unless ($map) {
1862	# restore original map position	2635	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1875		2648
1876	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1879		2652
1880	$map->load;	2653	$map->load;
1881	$map->load_diag;	2654	$map->load_neighbours;
1882		2655
1883	return unless $self->contr->active;	2656	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2657
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1888	}
1889		2660
1890	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2662	$self->activate_recursive
1892	my ($pl) = @_;	2663	unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
1893		2665
1894	# abort map switching before logout	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2667
1904	# try to abort aborted map switching on player login :)	2668	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2669	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2671	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2672	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2673
1922	=item $player_object->goto ($path, $x, $y)	2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
1923		2676
1924	=cut	2677	=cut
		2678
		2679	our $GOTOGEN;
1925		2680
1926	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
		2683
		2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2686
1929	$self->enter_link;	2687	$self->enter_link;
1930		2688
1931	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
1932	my $map = eval {	2711	my $map = eval {
1933	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
		2716	$map = $check->($map) if $check && $map;
		2717	} else {
		2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
		2720
1935	$map	2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2727	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1940	})->prio (1);	2735	})->prio (1);
1941	}	2736	}
1942		2737
1943	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1944		2739
…		…
1964	}	2759	}
1965		2760
1966	sub prepare_random_map {	2761	sub prepare_random_map {
1967	my ($exit) = @_;	2762	my ($exit) = @_;
1968		2763
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2766	# that depends on the exit object
1974		2767
1975	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2770	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
1982	}	2777	}
1983		2778
1984	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
1985		2780
1986	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
1989		2784
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2787	undef $fh;
1993	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
1994		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
1997	}	2796	}
1998	}	2797	}
1999		2798
2000	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2002		2801
2003	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2004		2803
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2804	$self->enter_link;
2017		2805
2018	(async {	2806	(async {
2019	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2020	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2021	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2022		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2023	1;	2830	1
2024	}) {	2831	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2836
2030	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2049		2856
2050	utf8::encode $text;	2857	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2859	}
2053		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2054	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2055		3049
2056	Sends an exti event to the client.	3050	Sends an ext event to the client.
2057		3051
2058	=cut	3052	=cut
2059		3053
2060	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2062		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2065	}	3081	}
2066		3082
2067	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2068		3084
2069	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3088
2073	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3090	become reliable at some point in the future.
2075		3091
2076	=cut	3092	=cut
2077		3093
2078	sub cf::client::query {	3094	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3103	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3105
2090	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2092	}	3110	}
2093		3111
2094	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2095	on_reply => sub {	3118	on_reply => sub {
2096	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2097		3120
2098	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2099	# get handled first	3122	# get handled first
…		…
2111	} else {	3134	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3136	}
2114	}	3137	}
2115	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2116	);	3165	);
2117		3166
2118	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2119		3168
2120	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3185
2137	$coro	3186	$coro
2138	}	3187	}
2139		3188
2140	cf::client->attach (	3189	cf::client->attach (
2141	on_destroy => sub {	3190	on_client_destroy => sub {
2142	my ($ns) = @_;	3191	my ($ns) = @_;
2143		3192
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3194	},
2146	);	3195	);
…		…
2161	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2163		3212
2164	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2165		3214
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2167		3220
2168	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2169		3222
2170	=pod	3223	=pod
2171		3224
2172	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2173		3226
2174	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2175	cf::object::player player	3232	cf::object::player
2176	cf::player peaceful	3233	player
2177	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2178		3240
2179	=cut	3241	=cut
2180		3242
2181	for (	3243	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2186	) {	3250	) {
2187	no strict 'refs';	3251	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3271
2208	my $qcode = $code;	3272	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2211		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2212	local $_;	3279	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3280
2215	my $eval =	3281	my $eval =
2216	"do {\n"	3282	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3285	. $code
2220	. "\n}"	3286	. "\n}"
2221	;	3287	;
2222		3288
		3289	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2226		3298
2227	if ($@) {	3299	if ($@) {
2228	warn "$@";	3300	warn "$@";
2229	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2230	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2249	=cut	3321	=cut
2250		3322
2251	sub register_script_function {	3323	sub register_script_function {
2252	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2253		3325
2254	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2256	}	3328	}
2257		3329
2258	=back	3330	=back
2259		3331
2260	=cut	3332	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3333
2334	#############################################################################	3334	#############################################################################
2335	# the server's init and main functions	3335	# the server's init and main functions
2336		3336
2337	sub load_facedata {	3337	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3345
2340	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2341		3347
2342	my $facedata;	3348	my $facedata;
2343	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2347		3353
2348	$facedata->{version} == 2	3354	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2351	{	3366	{
2352	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2353		3368
2354	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3376
		3377	cf::cede_to_tick;
2360	}	3378	}
2361		3379
2362	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2364	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2365	or next;	3384	or next;
		3385
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3389	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3391	}
2371	Coro::cede;	3392
		3393	cf::cede_to_tick;
2372	}	3394	}
2373	}	3395	}
2374		3396
2375	{	3397	{
2376	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2377		3399
2378	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3402	cf::cede_to_tick;
2381	}	3403	}
2382		3404
2383	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2384	}	3406	}
2385		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2386	1	3427	1
2387	}	3428	}
2388		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
		3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
		3473	load_resource_file "$MAPDIR/regions"
		3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
		3480	}
		3481
		3482	sub reload_facedata {
		3483	load_facedata "$DATADIR/facedata"
		3484	or die "unable to load facedata\n";
		3485	}
		3486
2389	sub load_archetypes {	3487	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3488	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3489	or die "unable to load archetypes\n";
2392	}	3490	}
2393		3491
2394	sub load_treasures {	3492	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3493	load_resource_file "$DATADIR/treasures"
		3494	or die "unable to load treasurelists\n";
2396	}	3495	}
2397		3496
2398	sub reload_resources {	3497	sub reload_resources {
2399	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2400		3499
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3500	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3501	reload_archetypes;
2406	or die "unable to load archetypes\n";	3502	reload_regions;
2407	load_treasures	3503	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3504
2410	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2411	}	3506	}
2412		3507
2413	sub init {	3508	sub reload_config {
2414	reload_resources;	3509	warn "reloading config file...\n";
2415	}
2416		3510
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3512	or return;
2420		3513
2421	local $/;	3514	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2423		3516
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3518
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2431	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2432	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2433	};	3526	};
2434	warn $@ if $@;	3527	warn $@ if $@;
2435	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2436	}	3559	}
2437		3560
2438	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2439	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3574	(async {
2443	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2445	};	3578	};
2446		3579
2447	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2448	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2449	load_extensions;	3603	load_extensions;
2450		3604
2451	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2453	}	3618	}
2454		3619
2455	#############################################################################	3620	#############################################################################
2456	# initialisation and cleanup	3621	# initialisation and cleanup
2457		3622
2458	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2459	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2468	},
2469	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2470	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2471	}	3719	}
2472		3720
2473	sub emergency_save() {	3721	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2475		3723
2476	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2477		3725
2478	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2479	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3740	$pl->save;
2487	}	3741	}
2488	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2489		3743
2490	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3747	$map->valid or next;
2494	$map->save;	3748	$map->save;
2495	}	3749	}
2496	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2497		3751
2498	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2501	};	3759	};
2502		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2503	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2504	}	3767	}
2505		3768
2506	sub post_cleanup {	3769	sub post_cleanup {
2507	my ($make_core) = @_;	3770	my ($make_core) = @_;
2508		3771
2509	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3773	if $make_core;
2511	}
2512		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
		3802	}
		3803
2513	sub reload() {	3804	sub do_reload_perl() {
2514	# can/must only be called in main	3805	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2516	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2517	return;	3808	return;
2518	}	3809	}
2519		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2520	warn "reloading...";	3816	warn "reloading...";
2521		3817
2522	warn "entering sync_job";	3818	warn "entering sync_job";
2523		3819
2524	cf::sync_job {	3820	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3822	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2528		3824
2529	warn "syncing database to disk";	3825	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3827
2532	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2533		3829
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3833	}
2570		3834
2571	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2573	}	3837	%EXT_CORO = ();
2574		3838
2575	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3848	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3849
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2586	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2587	}	3859	}
2588		3860
2589	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2590	}	3876	}
2591		3877
2592	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3881
2596	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
		3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3885
2599	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3887	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2602		3889
2603	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2604		3891
2605	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2606	require cf;	3893	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2608		3895
2609	warn "loading config and database again";	3896	warn "loading config and database again";
2610	cf::cfg_load;	3897	cf::reload_config;
2611		3898
2612	warn "loading extensions";	3899	warn "loading extensions";
2613	cf::load_extensions;	3900	cf::load_extensions;
2614		3901
		3902	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2621		3910
2622	warn "loading reloadable resources";	3911	warn "running post_init jobs";
2623	reload_resources;	3912	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3913
2625	warn "leaving sync_job";	3914	warn "leaving sync_job";
2626		3915
2627	1	3916	1
2628	} or do {	3917	} or do {
2629	warn $@;	3918	warn $@;
2630	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3920	};
		3921
		3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
		3928	};
		3929
		3930	our $RELOAD_WATCHER; # used only during reload
		3931
		3932	sub reload_perl() {
		3933	# doing reload synchronously and two reloads happen back-to-back,
		3934	# coro crashes during coro_state_free->destroy here.
		3935
		3936	$RELOAD_WATCHER ||= cf::async {
		3937	Coro::AIO::aio_wait cache_extensions;
		3938
		3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3940	do_reload_perl;
		3941	undef $RELOAD_WATCHER;
		3942	};
2632	};	3943	};
2633		3944	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3945
2639	register_command "reload" => sub {	3946	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2641		3948
2642	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
2644		3951	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3952	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3953	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3954	};
2657	}	3955	}
2658	};	3956	};
2659		3957
2660	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2661		3959
…		…
2663		3961
2664	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
2666		3964
2667	sub wait_for_tick {	3965	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2670		3967
2671	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3970	$signal->wait;
2674	}	3971	}
2675		3972
2676	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2679		3975
2680	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3978	$signal->wait;
2683	}	3979	}
2684		3980
2685	$TICK_WATCHER = Event->timer (	3981	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2695	return;	3985	return;
2696	}	3986	}
2697		3987
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2701		3989
2702	$RUNTIME += $TICK;	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2703	$NEXT_TICK += $TICK;
2704		3991
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3994	Coro::async_pool {
		3995	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3996	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3998	};
		3999	}
2712		4000
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4002	$sig->send;
2724	}	4003	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	4005	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4006	}
2731	);	4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
2732		4019
2733	{	4020	{
2734	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4022
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
2744		4024	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4026
2760	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		4034
2763	cf::sync_job {	4035	cf::sync_job {
2764	eval {	4036	eval {
2765	BDB::db_env_open	4037	BDB::db_env_open
2766	$DB_ENV,	4038	$DB_ENV,
2767	$BDB_ENV_DIR,	4039	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4042	0666;
2771		4043
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4045	};
2777		4046
2778	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4048	};
2780	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
2781	}	4060	}
2782		4061
2783	{	4062	{
		4063	# configure IO::AIO
		4064
2784	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4068	}
		4069
		4070	my $_log_backtrace;
		4071
		4072	sub _log_backtrace {
		4073	my ($msg, @addr) = @_;
		4074
		4075	$msg =~ s/\n//;
		4076
		4077	# limit the # of concurrent backtraces
		4078	if ($_log_backtrace < 2) {
		4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
		4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
		4084	my @bt = fork_call {
		4085	@addr = map { sprintf "%x", $_ } @addr;
		4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4088	or die "addr2line: $!";
		4089
		4090	my @funcs;
		4091	my @res = <$fh>;
		4092	chomp for @res;
		4093	while (@res) {
		4094	my ($func, $line) = splice @res, 0, 2, ();
		4095	push @funcs, "[$func] $line";
		4096	}
		4097
		4098	@funcs
		4099	};
		4100
		4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4103	LOG llevInfo, "[ABT] $_\n" for @bt;
		4104	--$_log_backtrace;
		4105	};
		4106	} else {
		4107	LOG llevInfo, "[ABT] $msg\n";
		4108	LOG llevInfo, "[ABT] [suppressed]\n";
		4109	}
		4110	}
		4111
		4112	# load additional modules
		4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2797		4115
2798	END { cf::emergency_save }	4116	END { cf::emergency_save }
2799		4117
2800	1	4118	1
2801		4119

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