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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $REALLY_UNLOOP; # never set to true, please :)
		150
95	binmode STDOUT;	151	binmode STDOUT;
96	binmode STDERR;	152	binmode STDERR;
97		153
98	# read virtual server time, if available	154	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
103	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
104		162
105	mkdir $_	163	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		165
108	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
109		167
110	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::"} };
111		184
112	#############################################################################	185	#############################################################################
113		186
114	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
115		188
…		…
139		212
140	=item $cf::TICK	213	=item $cf::TICK
141		214
142	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
143		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
144	=item %cf::CFG	227	=item %cf::CFG
145		228
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	230	from wherever your confdir points to.
148		231
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		233
151	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
152	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
153	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.
154		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
155	=back	250	=back
156		251
157	=cut	252	=cut
158		253
159	BEGIN {	254	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	255	my $msg = join "", @_;
162		256
163	$msg .= "\n"	257	$msg .= "\n"
164	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
165		259
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		261
168	utf8::encode $msg;
169	LOG llevError, $msg;	262	LOG llevError, $msg;
170	};	263	};
171	}	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	};
172		278
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		286
180	# 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
181	# within the Safe compartment.	288	# within the Safe compartment.
182	for my $pkg (qw(	289	for my $pkg (qw(
183	cf::global cf::attachable	290	cf::global cf::attachable
184	cf::object cf::object::player	291	cf::object cf::object::player
185	cf::client cf::player	292	cf::client cf::player
186	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
187	cf::map cf::party cf::region	295	cf::party cf::region
188	)) {	296	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	298	}
192		299
193	$Event::DIED = sub {	300	$EV::DIED = sub {
194	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
195	};	302	};
		303
		304	#############################################################################
196		305
197	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
198		307
199	=over 4	308	=over 4
200		309
…		…
219	$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;
220	$d	329	$d
221	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
222	}	331	}
223		332
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
227		334
228	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
229		336
230	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
231		338
232	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	362	=item cf::lock_wait $string
235		363
236	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
237		365
238	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
239		367
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
243	returned.	371	returned.
244		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
245	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
246	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
247		378
248	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
249		380
250	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
251		382
252	=cut	383	=cut
253		384
254	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
255		386
256	sub lock_wait($) {	387	sub lock_wait($) {
257	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	389	}
265		390
266	sub lock_acquire($) {	391	sub lock_acquire($) {
267	my ($key) = @_;	392	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	393	}
279		394
280	sub lock_active($) {	395	sub lock_active($) {
281	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	397	}
285		398
286	sub freeze_mainloop {	399	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
288		401
289	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
291	};	469	}
292	$TICK_WATCHER->stop;	470	};
293	$guard	471
		472	sub get_slot($;$$) {
		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	$sig->wait;
294	}	485	}
295		486
296	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
297		488
298	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		494
304	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
305		496
306	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
307		498
308	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
311		503
312	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
315	fast or be very important.	507	fast or be very important.
…		…
318		510
319	sub sync_job(&) {	511	sub sync_job(&) {
320	my ($job) = @_;	512	my ($job) = @_;
321		513
322	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
323	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
325		519
326	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	521
328	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
329		523
330	my $busy = 1;	524	my $busy = 1;
331	my @res;	525	my @res;
332		526
333	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	529	@res = eval { $job->() };
335	warn $@ if $@;	530	warn $@ if $@;
336	undef $busy;	531	undef $busy;
337	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
338		533
339	while ($busy) {	534	while ($busy) {
340	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
341	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
342		545
343	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
344	} else {	547	} else {
345	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
346		549
…		…
366	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
367		570
368	$coro	571	$coro
369	}	572	}
370		573
371	sub write_runtime {	574	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		575
374	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		580
377	warn "touching runtime...\n";#d#	581	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	582
379	utime undef, undef, $fh;	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
		585
		586	# we seemingly have to make a local copy of the whole thing,
		587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
		589
		590	my @res = Coro::Util::fork_eval {
		591	reset_signals;
		592	&$cb
		593	}, @args;
		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
		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 $!;
380	}	663	};
		664	cf::cleanup "db_open(db): $@" if $@;
381		665
382	my $guard = cf::lock_acquire "write_runtime";	666	$db
		667	}
383		668
384	warn "starting to write runtime...\n";#d#	669	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		670
388	my $value = $cf::RUNTIME + 90 + 10;	671	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	672	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	673	$DB ||= db_table "db";
		674	};
		675	}
391		676
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	677	sub db_get($$) {
393	and return;	678	my $key = "$_[0]/$_[1]";
394		679
395	# always fsync - this file is important	680	cf::sync_job {
396	aio_fsync $fh	681	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		682
399	# touch it again to show we are up-to-date	683	$! ? ()
400	utime undef, undef, $fh;	684	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	685	}
		686	}
		687
		688	sub db_put($$$) {
		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"
411	}	761	}
412		762
413	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
414		764
415	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.
…		…
427		777
428	#############################################################################	778	#############################################################################
429		779
430	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
431		781
432	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
433	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")
434	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
435		785
436	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>
437	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
438	crossfire+).	788	Deliantra).
439		789
440	=over 4	790	=over 4
441		791
442	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
443		793
…		…
487	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
488		838
489	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
491		841
492	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
493	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.
494		844
495	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
496		846
497	=over 4	847	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
607		957
608	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		962
613	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	964	my $pkg = shift @arg;
615		965
616	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
646	}	996	}
647		997
648	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
649	} else {	999	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	1001	}
652		1002
653	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
654	}	1004	}
655		1005
…		…
657	if (ref $_[0]) {	1007	if (ref $_[0]) {
658	_object_attach @_;	1008	_object_attach @_;
659	} else {	1009	} else {
660	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
661	}	1011	}
		1012	_recalc_want;
662	};	1013	};
663		1014
664	# all those should be optimised	1015	# all those should be optimised
665	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1021	reattach ($obj);
671	} else {	1022	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
673	}	1024	}
		1025	_recalc_want;
674	};	1026	};
675		1027
676	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
678		1030
…		…
693	";	1045	";
694	die if $@;	1046	die if $@;
695	}	1047	}
696		1048
697	our $override;	1049	our $override;
698	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?
699		1051
700	sub override {	1052	sub override {
701	$override = 1;	1053	$override = 1;
702	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
703	}	1055	}
704		1056
705	sub do_invoke {	1057	sub do_invoke {
706	my $event = shift;	1058	my $event = shift;
707	my $callbacks = shift;	1059	my $callbacks = shift;
708		1060
709	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
710		1062
711	local $override;	1063	local $override;
712		1064
713	for (@$callbacks) {	1065	for (@$callbacks) {
714	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
723	}	1075	}
724		1076
725	0	1077	0
726	}	1078	}
727		1079
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1081
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1083
732	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
733		1085
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1089
738	=back	1090	=back
739		1091
740	=cut	1092	=cut
741		1093
742	#############################################################################	1094	#############################################################################
743	# 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, $ob2
		1137	}
744		1138
745	sub reattach {	1139	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1141	my ($obj) = @_;
748		1142
		1143	# no longer needed after getting rid of delete_package?
749	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
750		1145
751	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
752		1147
753	@$registry = ();	1148	@$registry = ();
754		1149
…		…
769	cf::attachable->attach (	1164	cf::attachable->attach (
770	prio => -1000000,	1165	prio => -1000000,
771	on_instantiate => sub {	1166	on_instantiate => sub {
772	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
773		1168
774	$data = from_json $data;	1169	$data = decode_json $data;
775		1170
776	for (@$data) {	1171	for (@$data) {
777	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
778		1173
779	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1190	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
797		1192
798	sync_job {	1193	sync_job {
799	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
802		1198
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	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	}
807	close $fh;	1206	aio_close $fh;
808		1207
809	if (@$objs) {	1208	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
814	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	}
815	close $fh;	1217	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
817	}	1219	}
818	} else {	1220	} else {
819	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
820	}	1222	}
821		1223
822	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1228	} else {
824	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
825	}	1230	}
826	} else {	1231	} else {
827	aio_unlink $filename;	1232	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
829	}	1234	}
830	}	1235	};
831	}	1236	}
832		1237
833	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
835		1240
…		…
847	or return;	1252	or return;
848		1253
849	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
851	or return;	1256	or return;
		1257
852	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
853	}	1260	}
854		1261
		1262	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
857	return ($data, $av);	1266	($data, $av)
858	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
859		1274
860	#############################################################################	1275	#############################################################################
861	# command handling &c	1276	# command handling &c
862		1277
863	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1292	}
878		1293
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1295
881	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.
882		1301
883	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
884	called.	1303	called.
885		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
886	=cut	1316	=cut
887		1317
888	sub register_extcmd {	1318	sub register_extcmd {
889	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
890		1320
891	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
892	}	1322	}
893		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
894	cf::player->attach (	1332	cf::player->attach (
895	on_command => sub {	1333	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
897		1335
898	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
899	or return;	1337	or return;
900		1338
…		…
905	cf::override;	1343	cf::override;
906	},	1344	},
907	on_extcmd => sub {	1345	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
909		1347
910	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1349
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
918	} else {	1365	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1367	}
921		1368
922	cf::override;	1369	cf::override;
923	},	1370	},
924	);	1371	);
925		1372
		1373	# "readahead" all extensions
926	sub load_extension {	1374	sub cache_extensions {
927	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
928		1376
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1380	}
954	die $@;
955	}	1381	};
956		1382
957	push @EXTS, $pkg;	1383	$grp
958	}	1384	}
959		1385
960	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
961	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1391	next unless -r $path;
963	eval {	1392
964	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 $active;
		1455	}
965	1	1456	}
966	} or warn "$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	}
967	}	1467	};
968	}	1468	}
969		1469
970	#############################################################################	1470	#############################################################################
971		1471
		1472	=back
		1473
972	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
973		1475
974	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
975		1477
976	=cut	1478	=cut
977		1479
978	package cf::player;	1480	package cf::player;
979		1481
980	use Coro::AIO;	1482	use Coro::AIO;
981		1483
982	=head3 cf::player	1484	=head3 cf::player
983		1485
984	=over 4	1486	=over 4
		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	}
985		1501
986	=item cf::player::find $login	1502	=item cf::player::find $login
987		1503
988	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
989		1505
…		…
1008		1524
1009	sub exists($) {	1525	sub exists($) {
1010	my ($login) = @_;	1526	my ($login) = @_;
1011		1527
1012	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1014	}	1530	}
1015		1531
1016	sub find($) {	1532	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1534	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1545
1030	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1033	}	1555	}
1034	}	1556	}
1035	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1036		1571
1037	sub save($) {	1572	sub save($) {
1038	my ($pl) = @_;	1573	my ($pl) = @_;
1039		1574
1040	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1046		1581
1047	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1049		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
1050	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1051	Coro::cede;	1591	cf::cede_to_tick;
1052	}	1592	}
1053		1593
1054	sub new($) {	1594	sub new($) {
1055	my ($login) = @_;	1595	my ($login) = @_;
1056		1596
…		…
1062	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1063		1603
1064	$self	1604	$self
1065	}	1605	}
1066		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
1067	=item $pl->quit_character	1617	=item $pl->quit_character
1068		1618
1069	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1071		1621
…		…
1075	my ($pl) = @_;	1625	my ($pl) = @_;
1076		1626
1077	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1078		1628
1079	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1080	$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
1081		1631
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1086		1638
1087	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1676	or return [];
1125		1677
1126	my @logins;	1678	my @logins;
1127		1679
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1132		1690
1133	utf8::decode $login;	1691	utf8::decode $login;
1134	push @logins, $login;	1692	push @logins, $login;
1135	}	1693	}
1136		1694
1137	\@logins	1695	\@logins
1138	}	1696	}
1139		1697
1140	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1141		1701
1142	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1143	player. May block.	1703	player. May block.
1144		1704
1145	=cut	1705	=cut
…		…
1163	}	1723	}
1164		1724
1165	\@paths	1725	\@paths
1166	}	1726	}
1167		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1168	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1169		1733
1170	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1171		1735
1172	=cut	1736	=cut
1173		1737
1174	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1176		1740
1177	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1742	}
1181		1743
1182	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1183		1745
1184	Sends an ext event to the client.	1746	Sends an ext event to the client.
1185		1747
1186	=cut	1748	=cut
1187		1749
1188	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1190		1752
1191	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1192	}	1754	}
1193		1755
1194	=head3 cf::region	1756	=head3 cf::region
1195		1757
1196	=over 4	1758	=over 4
…		…
1199		1761
1200	package cf::region;	1762	package cf::region;
1201		1763
1202	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1203		1765
1204	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1205		1767
1206	=cut	1768	=cut
1207		1769
1208	sub find_by_path($) {	1770	sub find_by_path($) {
1209	my ($path) = @_;	1771	my ($path) = @_;
1210		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1211	my ($match, $specificity);	1775	my ($match, $specificity);
1212		1776
1213	for my $region (list) {	1777	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1217	}	1781	}
1218	}	1782	}
1219		1783
…		…
1240	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1242		1806
1243	sub generate_random_map {	1807	sub generate_random_map {
1244	my ($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
1245	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1813	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1283	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1284		1851
1285	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1286	local $self->{path};	1853	local $self->{path};
1287	local $self->{load_path};	1854	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1855
1291	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1292	}	1857	}
1293		1858
1294	sub normalise {	1859	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1342	return $self;	1907	return $self;
1343	}	1908	}
1344	}	1909	}
1345		1910
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1912	()
1348	}	1913	}
1349		1914
1350	sub init {	1915	sub init {
1351	my ($self) = @_;	1916	my ($self) = @_;
…		…
1373		1938
1374	# the temporary/swap location	1939	# the temporary/swap location
1375	sub save_path {	1940	sub save_path {
1376	my ($self) = @_;	1941	my ($self) = @_;
1377		1942
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1380	}	1945	}
1381		1946
1382	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1383	sub uniq_path {	1948	sub uniq_path {
1384	my ($self) = @_;	1949	my ($self) = @_;
1385		1950
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1388	}	1953	}
1389		1954
1390	# and all this just because we cannot iterate over	1955	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1956	my ($self) = @_;
1394		1957
1395	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1397	}	1961	}
1398		1962
1399	sub unlink_save {	1963	sub unlink_save {
1400	my ($self) = @_;	1964	my ($self) = @_;
1401		1965
…		…
1406		1970
1407	sub load_header_from($) {	1971	sub load_header_from($) {
1408	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1409		1973
1410	utf8::encode $path;	1974	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1983
1417	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1418		1985
1419	1	1986	1
1420	}	1987	}
…		…
1459	$self->load_header_orig	2026	$self->load_header_orig
1460	or return;	2027	or return;
1461	$self->prepare_orig;	2028	$self->prepare_orig;
1462	}	2029	}
1463		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1464	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2035	unless $self->default_region;
1466		2036
1467	1	2037	1
1468	}	2038	}
…		…
1471	sub find {	2041	sub find {
1472	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1473		2043
1474	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1475		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2048
1478	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1481	or return;	2051	or return;
1482		2052
1483	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1484		2054
1485	$map->load_header	2055	$map->load_header
1486	or return;	2056	or return;
1487		2057
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1491	$map->reset;	2063	$map->reset;
1492	undef $guard;
1493	return find $path;	2064	return find $path;
1494	}	2065	}
1495		2066
1496	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1497	}	2068	}
1498	}	2069	}
1499		2070
1500	sub pre_load { }	2071	sub pre_load { }
1501	sub post_load { }	2072	#sub post_load { } # XS
1502		2073
1503	sub load {	2074	sub load {
1504	my ($self) = @_;	2075	my ($self) = @_;
1505		2076
1506	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1507		2078
1508	my $path = $self->{path};	2079	my $path = $self->{path};
1509		2080
1510	{	2081	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1512		2083
		2084	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2086
1515	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1516		2088
1517	$self->alloc;	2089	$self->alloc;
1518		2090
1519	$self->pre_load;	2091	$self->pre_load;
1520	Coro::cede;	2092	cf::cede_to_tick;
1521		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1523	or return;	2097	or return;
1524		2098
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1526	if delete $self->{load_original};	2100	if delete $self->{load_original};
1527		2101
1528	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2103	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2106	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1533	}	2110	}
1534	}	2111	}
1535		2112
1536	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1537	# now do the right thing for maps	2116	# now do the right thing for maps
1538	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2119	unless $self->difficulty;
1541	Coro::cede;	2120	cf::cede_to_tick;
1542		2121
1543	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2123	$self->decay_objects;
1545	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1546	$self->update_buttons;	2125	$self->update_buttons;
1547	Coro::cede;	2126	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2127	$self->activate;
1551	}	2128	}
1552		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2134	}
1555		2135
1556	$self->post_load;	2136	$self->post_load;
1557	}	2137	}
1558		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2142	sub customise_for {
1560	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1561		2144
1562	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2146	if $self->per_player;
1564		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1565	$self	2151	$self
1566	}	2152	}
1567		2153
1568	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2155	sub load_neighbours {
1570	my ($map) = @_;	2156	my ($map) = @_;
1571		2157
1572	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1573		2159
1574	for (0 .. 3) {	2160	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1576	or next;	2162	or next;
1577	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1578	or next;	2164	or next;
1579	$neigh->load;	2165	$neigh->load;
1580		2166
		2167	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2170	}
1584		2171
1585	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1587	or next;	2175	or next;
1588	$neigh->load;	2176	$neigh->load;
1589	}	2177	}
1590	}	2178	}
1591		2179
…		…
1596	}	2184	}
1597		2185
1598	sub do_load_sync {	2186	sub do_load_sync {
1599	my ($map) = @_;	2187	my ($map) = @_;
1600		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1601	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1602	}	2193	}
1603		2194
1604	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1606		2197
1607	sub find_async {	2198	sub find_async {
1608	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1609		2200
1610	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1611		2202
1612	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2205	}
1615		2206
1616	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1617	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1618	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2214	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2215	$map->load if $v;
		2216	}
1623		2217
1624	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1625	}	2219	}
1626	}	2220	}
1627	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1628	};	2222	};
1629	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1630		2224
1631	()	2225	()
1632	}	2226	}
1633		2227
		2228	# common code, used by both ->save and ->swapout
1634	sub save {	2229	sub _save {
1635	my ($self) = @_;	2230	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2231
1639	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1640		2233
1641	return unless $self->dirty;	2234	return unless $self->dirty;
1642		2235
…		…
1648	return if $self->{deny_save};	2241	return if $self->{deny_save};
1649		2242
1650	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1651		2244
1652	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1654	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1655		2251
1656	if ($uniq) {	2252	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2255	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2257	}
1662	}	2258	}
1663		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1664	sub swap_out {	2268	sub swap_out {
1665	my ($self) = @_;	2269	my ($self) = @_;
1666		2270
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1672	return if $self->players;	2275	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		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
1676	$self->clear;	2286	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2287	}
1679		2288
1680	sub reset_at {	2289	sub reset_at {
1681	my ($self) = @_;	2290	my ($self) = @_;
1682		2291
1683	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1686		2294
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2297
…		…
1700	my ($self) = @_;	2308	my ($self) = @_;
1701		2309
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2311
1704	return if $self->players;	2312	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2313
1707	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1708		2315
1709	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1710		2317
1711	# need to save uniques path	2318	# need to save uniques path
1712	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2323	if $uniq;
1717	}	2324	}
1718		2325
1719	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1720		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2330	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2331
1725	$self->unlink_save;	2332	$self->unlink_save;
1726	$self->destroy;	2333	$self->destroy;
1727	}	2334	}
1728		2335
1729	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1730		2337
1731	sub nuke {	2338	sub nuke {
1732	my ($self) = @_;	2339	my ($self) = @_;
1733		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1734	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1735		2345
1736	$self->unlink_save;	2346	$self->unlink_save;
1737		2347
1738	bless $self, "cf::map";	2348	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2353
1744	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1745		2356
1746	$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	]
1747	}	2394	}
1748		2395
1749	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1750		2397
1751	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2399	instantiated unique items. May block.
1753		2400
1754	=cut	2401	=cut
1755		2402
1756	sub unique_maps() {	2403	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2404	[
1758	or return;	2405	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2406	utf8::decode $_;
1764	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2409	? ()
1767	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2412	]
1769
1770	\@paths
1771	}	2413	}
1772		2414
1773	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	}
1774		2446
1775	=back	2447	=back
1776		2448
1777	=head3 cf::object	2449	=head3 cf::object
1778		2450
…		…
1782		2454
1783	=over 4	2455	=over 4
1784		2456
1785	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1786		2458
1787	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.
1788		2461
1789	=cut	2462	=cut
1790		2463
1791	sub inv_recursive_;	2464	sub inv_recursive_;
1792	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1795		2468
1796	sub inv_recursive {	2469	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1798	}	2471	}
1799		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
1800	package cf;	2501	package cf;
1801		2502
1802	=back	2503	=back
1803		2504
1804	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1810	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>
1811	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
1812	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1813		2514
1814	=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	};
1815		2530
1816	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2532	# with dialog boxes.
1818	#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
1819	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1821		2536
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2538
1824	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1829	}	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 (@_);
1830	}	2564	}
1831		2565
1832	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1833		2567
1834	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1847		2581
1848	=item $player_object->enter_link	2582	=item $player_object->enter_link
1849		2583
1850	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}>).
1851		2585
1852	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.
1853	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.
1854		2590
1855	Will never block.	2591	Will never block.
1856		2592
1857	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1858		2594
…		…
1881	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1882		2618
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2620
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1887		2623
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2625	}
1890		2626
1891	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1893		2631
1894	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1895		2633
1896	unless ($map) {	2634	unless ($map) {
1897	# restore original map position	2635	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1910		2648
1911	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1914		2652
1915	$map->load;	2653	$map->load;
1916	$map->load_diag;	2654	$map->load_neighbours;
1917		2655
1918	return unless $self->contr->active;	2656	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2657
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1923	}
1924		2660
1925	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2662	$self->activate_recursive;
1927	my ($pl) = @_;	2663	}
1928		2664
1929	# abort map switching before logout	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2666
1939	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1940	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1941	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1942	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1943	(async {	2671	be called at the end of this process.
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2672
1957	=item $player_object->goto ($path, $x, $y)	2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1958		2675
1959	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1960		2679
1961	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2685
1964	$self->enter_link;	2686	$self->enter_link;
1965		2687
1966	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1967	my $map = eval {	2710	my $map = eval {
1968	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1970	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2726	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1975	})->prio (1);	2734	})->prio (1);
1976	}	2735	}
1977		2736
1978	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1979		2738
…		…
1999	}	2758	}
2000		2759
2001	sub prepare_random_map {	2760	sub prepare_random_map {
2002	my ($exit) = @_;	2761	my ($exit) = @_;
2003		2762
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2765	# that depends on the exit object
2009		2766
2010	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2769	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2017	}	2776	}
2018		2777
2019	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2020		2779
2021	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2024		2783
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2786	undef $fh;
2028	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2029		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2032	}	2795	}
2033	}	2796	}
2034		2797
2035	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2037		2800
2038	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2039		2802
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2803	$self->enter_link;
2052		2804
2053	(async {	2805	(async {
2054	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2055	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2056	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2057		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2058	1;	2829	1
2059	}) {	2830	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2835
2065	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2084		2855
2085	utf8::encode $text;	2856	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2858	}
2088		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2089	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2090		3048
2091	Sends an exti event to the client.	3049	Sends an ext event to the client.
2092		3050
2093	=cut	3051	=cut
2094		3052
2095	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2097		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2100	}	3080	}
2101		3081
2102	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2103		3083
2104	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3087
2108	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3089	become reliable at some point in the future.
2110		3090
2111	=cut	3091	=cut
2112		3092
2113	sub cf::client::query {	3093	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3102	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3104
2125	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2127	}	3109	}
2128		3110
2129	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2130	on_reply => sub {	3117	on_reply => sub {
2131	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2132		3119
2133	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2134	# get handled first	3121	# get handled first
…		…
2146	} else {	3133	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3135	}
2149	}	3136	}
2150	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2151	);	3164	);
2152		3165
2153	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2154		3167
2155	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3184
2172	$coro	3185	$coro
2173	}	3186	}
2174		3187
2175	cf::client->attach (	3188	cf::client->attach (
2176	on_destroy => sub {	3189	on_client_destroy => sub {
2177	my ($ns) = @_;	3190	my ($ns) = @_;
2178		3191
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3193	},
2181	);	3194	);
…		…
2196	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2198		3211
2199	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2200		3213
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2202		3219
2203	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2204		3221
2205	=pod	3222	=pod
2206		3223
2207	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2208		3225
2209	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2210	cf::object::player player	3231	cf::object::player
2211	cf::player peaceful	3232	player
2212	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2213		3239
2214	=cut	3240	=cut
2215		3241
2216	for (	3242	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2221	) {	3249	) {
2222	no strict 'refs';	3250	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2242		3270
2243	my $qcode = $code;	3271	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2246		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2247	local $_;	3278	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3279
2250	my $eval =	3280	my $eval =
2251	"do {\n"	3281	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3284	. $code
2255	. "\n}"	3285	. "\n}"
2256	;	3286	;
2257		3287
		3288	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2261		3297
2262	if ($@) {	3298	if ($@) {
2263	warn "$@";	3299	warn "$@";
2264	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2265	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2284	=cut	3320	=cut
2285		3321
2286	sub register_script_function {	3322	sub register_script_function {
2287	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2288		3324
2289	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2291	}	3327	}
2292		3328
2293	=back	3329	=back
2294		3330
2295	=cut	3331	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3332
2471	#############################################################################	3333	#############################################################################
2472	# the server's init and main functions	3334	# the server's init and main functions
2473		3335
2474	sub load_facedata($) {	3336	sub load_facedata($) {
2475	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3344
2477	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2478		3346
2479	my $facedata;	3347	my $facedata;
2480	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2484		3352
2485	$facedata->{version} == 2	3353	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2488	{	3365	{
2489	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2490		3367
2491	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3375
		3376	cf::cede_to_tick;
2497	}	3377	}
2498		3378
2499	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2501	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2502	or next;	3383	or next;
		3384
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3388	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3390	}
2508	Coro::cede;	3391
		3392	cf::cede_to_tick;
2509	}	3393	}
2510	}	3394	}
2511		3395
2512	{	3396	{
2513	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2514		3398
2515	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3401	cf::cede_to_tick;
2518	}	3402	}
2519		3403
2520	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2521	}	3405	}
2522		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2523	1	3426	1
2524	}	3427	}
2525		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2526	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2527	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2529	}	3479	}
2530		3480
2531	sub reload_facedata {	3481	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2544	}	3494	}
2545		3495
2546	sub reload_resources {	3496	sub reload_resources {
2547	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2548		3498
2549	reload_regions;
2550	reload_facedata;	3499	reload_facedata;
2551	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2552	reload_treasures;	3502	reload_treasures;
2553		3503
2554	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2555	}	3505	}
2556		3506
2557	sub init {	3507	sub reload_config {
2558	reload_resources;	3508	warn "reloading config file...\n";
2559	}
2560		3509
2561	sub cfg_load {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3511	or return;
2564		3512
2565	local $/;	3513	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2567		3515
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3517
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2575	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2576	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2577	};	3525	};
2578	warn $@ if $@;	3526	warn $@ if $@;
2579	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2580	}	3558	}
2581		3559
2582	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2583	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3573	(async {
2587	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2589	};	3577	};
2590		3578
2591	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2592	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2593	load_extensions;	3602	load_extensions;
2594		3603
2595	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2597	}	3617	}
2598		3618
2599	#############################################################################	3619	#############################################################################
2600	# initialisation and cleanup	3620	# initialisation and cleanup
2601		3621
2602	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2603	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2612	},
2613	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2614	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2615	}	3718	}
2616		3719
2617	sub emergency_save() {	3720	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2619		3722
2620	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2621		3724
2622	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2623	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3739	$pl->save;
2631	}	3740	}
2632	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2633		3742
2634	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3746	$map->valid or next;
2638	$map->save;	3747	$map->save;
2639	}	3748	}
2640	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2641		3750
2642	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2645	};	3758	};
2646		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2647	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2648	}	3766	}
2649		3767
2650	sub post_cleanup {	3768	sub post_cleanup {
2651	my ($make_core) = @_;	3769	my ($make_core) = @_;
2652		3770
2653	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2655	}	3801	}
2656		3802
2657	sub do_reload_perl() {	3803	sub do_reload_perl() {
2658	# can/must only be called in main	3804	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2660	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2661	return;	3807	return;
2662	}	3808	}
2663		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2664	warn "reloading...";	3815	warn "reloading...";
2665		3816
2666	warn "entering sync_job";	3817	warn "entering sync_job";
2667		3818
2668	cf::sync_job {	3819	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3821	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2672		3823
2673	warn "syncing database to disk";	3824	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3826
2676	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2677		3828
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3832	}
2714		3833
2715	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2717	}	3836	%EXT_CORO = ();
2718		3837
2719	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3847	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3848
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2730	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2731	}	3858	}
2732		3859
2733	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2734	}	3875	}
2735		3876
2736	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3880
2740	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		3884
2744	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3886	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2747		3888
2748	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2749		3890
2750	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2751	require cf;	3892	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2753		3894
2754	warn "loading config and database again";	3895	warn "loading config and database again";
2755	cf::cfg_load;	3896	cf::reload_config;
2756		3897
2757	warn "loading extensions";	3898	warn "loading extensions";
2758	cf::load_extensions;	3899	cf::load_extensions;
2759		3900
		3901	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2766		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2767	warn "leaving sync_job";	3913	warn "leaving sync_job";
2768		3914
2769	1	3915	1
2770	} or do {	3916	} or do {
2771	warn $@;	3917	warn $@;
2772	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3919	};
2775		3920
2776	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2777	};	3927	};
2778		3928
2779	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2780		3930
2781	sub reload_perl() {	3931	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2784		3934
2785	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	3937
2788	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	3939	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2792	},	3941	};
2793	);	3942	};
2794	}	3943	}
2795		3944
2796	register_command "reload" => sub {	3945	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2798		3947
2799	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3952	reload_perl;
		3953	};
2802	}	3954	}
2803	};	3955	};
2804		3956
2805	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2806		3958
…		…
2808		3960
2809	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2811		3963
2812	sub wait_for_tick {	3964	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		3966
2816	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3969	$signal->wait;
2819	}	3970	}
2820		3971
2821	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		3974
2825	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3977	$signal->wait;
2828	}	3978	}
2829		3979
2830	$TICK_WATCHER = Event->timer (	3980	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2840	return;	3984	return;
2841	}	3985	}
2842		3986
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2846		3988
2847	$RUNTIME += $TICK;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		3990
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3995	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3997	};
		3998	}
2857		3999
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4001	$sig->send;
2869	}	4002	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	4004	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4005	}
2876	);	4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
2877		4018
2878	{	4019	{
2879	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4021
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2889		4023	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4025
2905	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4033
2908	cf::sync_job {	4034	cf::sync_job {
2909	eval {	4035	eval {
2910	BDB::db_env_open	4036	BDB::db_env_open
2911	$DB_ENV,	4037	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4041	0666;
2916		4042
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4044	};
2922		4045
2923	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4047	};
2925	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2926	}	4059	}
2927		4060
2928	{	4061	{
		4062	# configure IO::AIO
		4063
2929	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4067	}
2942		4068
2943	my $_log_backtrace;	4069	my $_log_backtrace;
2944		4070
2945	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
2949		4075
2950	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
2953	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
2954	my @bt = fork_call {	4083	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
2966	}	4095	}
2967		4096
2968	@funcs	4097	@funcs
2969	};	4098	};
2970		4099
2971	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4103	--$_log_backtrace;
2974	};	4104	};
2975	} else {	4105	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
2978	}	4108	}
2979	}	4109	}
2980		4110
2981	# load additional modules	4111	# load additional modules
2982	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2983		4114
2984	END { cf::emergency_save }	4115	END { cf::emergency_save }
2985		4116
2986	1	4117	1
2987		4118

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