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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	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::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	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
166	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
167	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.
168		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
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$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;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	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	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		286
194	# 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
195	# within the Safe compartment.	288	# within the Safe compartment.
196	for my $pkg (qw(	289	for my $pkg (qw(
197	cf::global cf::attachable	290	cf::global cf::attachable
198	cf::object cf::object::player	291	cf::object cf::object::player
199	cf::client cf::player	292	cf::client cf::player
200	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
201	cf::map cf::party cf::region	295	cf::party cf::region
202	)) {	296	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	298	}
206		299
207	$Event::DIED = sub {	300	$EV::DIED = sub {
208	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
209	};	302	};
		303
		304	#############################################################################
210		305
211	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
212		307
213	=over 4	308	=over 4
214		309
…		…
233	$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;
234	$d	329	$d
235	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
236	}	331	}
237		332
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
241		334
242	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
243		336
244	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
245		338
246	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	362	=item cf::lock_wait $string
249		363
250	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
251		365
252	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
253		367
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
257	returned.	371	returned.
258		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
259	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
260	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
261		378
262	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
263		380
264	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.
265		382
266	=cut	383	=cut
267		384
268	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
269		386
270	sub lock_wait($) {	387	sub lock_wait($) {
271	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	389	}
279		390
280	sub lock_acquire($) {	391	sub lock_acquire($) {
281	my ($key) = @_;	392	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	393	}
293		394
294	sub lock_active($) {	395	sub lock_active($) {
295	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	397	}
299		398
300	sub freeze_mainloop {	399	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
302		401
303	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
305	};	469	}
306	$TICK_WATCHER->stop;	470	};
307	$guard	471
		472	sub get_slot($;$$) {
		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	$sig->wait;
308	}	485	}
309		486
310	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
311		488
312	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		494
318	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
319		496
320	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
321		498
322	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
325		503
326	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
329	fast or be very important.	507	fast or be very important.
…		…
332		510
333	sub sync_job(&) {	511	sub sync_job(&) {
334	my ($job) = @_;	512	my ($job) = @_;
335		513
336	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	515	my $time = AE::time;
338		516
339	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
341		519
342	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	521
344	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
345		523
346	my $busy = 1;	524	my $busy = 1;
347	my @res;	525	my @res;
348		526
349	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	529	@res = eval { $job->() };
351	warn $@ if $@;	530	warn $@ if $@;
352	undef $busy;	531	undef $busy;
353	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
354		533
355	while ($busy) {	534	while ($busy) {
356	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
357	}	539	}
		540	}
358		541
359	$time = Event::time - $time;	542	my $time = AE::time - $time;
360		543
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
365		545
366	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
367	} else {	547	} else {
368	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
369		549
…		…
389	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
390		570
391	$coro	571	$coro
392	}	572	}
393		573
394	sub write_runtime {	574	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		575
397	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
398	# 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.
399		580
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	581	=cut
401	utime undef, undef, $fh;	582
		583	sub fork_call(&@) {
		584	my ($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 $!;
402	}	663	};
		664	cf::cleanup "db_open(db): $@" if $@;
403		665
404	my $guard = cf::lock_acquire "write_runtime";	666	$db
		667	}
405		668
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	669	our $DB;
407	or return;
408		670
409	my $value = $cf::RUNTIME + 90 + 10;	671	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	672	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	673	$DB ||= db_table "db";
		674	};
		675	}
412		676
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	677	sub db_get($$) {
414	and return;	678	my $key = "$_[0]/$_[1]";
415		679
416	# always fsync - this file is important	680	cf::sync_job {
417	aio_fsync $fh	681	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		682
420	# touch it again to show we are up-to-date	683	$! ? ()
421	utime undef, undef, $fh;	684	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	685	}
		686	}
		687
		688	sub db_put($$$) {
		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"
432	}	761	}
433		762
434	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
435		764
436	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.
…		…
448		777
449	#############################################################################	778	#############################################################################
450		779
451	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
452		781
453	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
454	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")
455	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
456		785
457	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>
458	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
459	crossfire+).	788	Deliantra).
460		789
461	=over 4	790	=over 4
462		791
463	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
464		793
…		…
508	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
509		838
510	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
512		841
513	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		844
516	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
517		846
518	=over 4	847	=over 4
…		…
666	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
667	}	996	}
668		997
669	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
670	} else {	999	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	1001	}
673		1002
674	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
675	}	1004	}
676		1005
…		…
716	";	1045	";
717	die if $@;	1046	die if $@;
718	}	1047	}
719		1048
720	our $override;	1049	our $override;
721	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?
722		1051
723	sub override {	1052	sub override {
724	$override = 1;	1053	$override = 1;
725	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
726	}	1055	}
727		1056
728	sub do_invoke {	1057	sub do_invoke {
729	my $event = shift;	1058	my $event = shift;
730	my $callbacks = shift;	1059	my $callbacks = shift;
731		1060
732	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
733		1062
734	local $override;	1063	local $override;
735		1064
736	for (@$callbacks) {	1065	for (@$callbacks) {
737	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
746	}	1075	}
747		1076
748	0	1077	0
749	}	1078	}
750		1079
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1081
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1083
755	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
756		1085
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1089
761	=back	1090	=back
762		1091
763	=cut	1092	=cut
764		1093
765	#############################################################################	1094	#############################################################################
766	# 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, $ob2
		1137	}
767		1138
768	sub reattach {	1139	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1141	my ($obj) = @_;
771		1142
		1143	# no longer needed after getting rid of delete_package?
772	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
773		1145
774	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
775		1147
776	@$registry = ();	1148	@$registry = ();
777		1149
…		…
792	cf::attachable->attach (	1164	cf::attachable->attach (
793	prio => -1000000,	1165	prio => -1000000,
794	on_instantiate => sub {	1166	on_instantiate => sub {
795	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
796		1168
797	$data = from_json $data;	1169	$data = decode_json $data;
798		1170
799	for (@$data) {	1171	for (@$data) {
800	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
801		1173
802	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1190	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
820		1192
821	sync_job {	1193	sync_job {
822	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
825		1198
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1206	aio_close $fh;
831		1207
832	if (@$objs) {	1208	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1217	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
840	}	1219	}
841	} else {	1220	} else {
842	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
843	}	1222	}
844		1223
845	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1228	} else {
847	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
848	}	1230	}
849	} else {	1231	} else {
850	aio_unlink $filename;	1232	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
852	}	1234	}
853	}	1235	};
854	}	1236	}
855		1237
856	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
858		1240
…		…
870	or return;	1252	or return;
871		1253
872	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
874	or return;	1256	or return;
		1257
875	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
876	}	1260	}
877		1261
		1262	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
880	return ($data, $av);	1266	($data, $av)
881	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
882		1274
883	#############################################################################	1275	#############################################################################
884	# command handling &c	1276	# command handling &c
885		1277
886	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1292	}
901		1293
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1295
904	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.
905		1301
906	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
907	called.	1303	called.
908		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
909	=cut	1316	=cut
910		1317
911	sub register_extcmd {	1318	sub register_extcmd {
912	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
913		1320
914	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
915	}	1322	}
916		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
917	cf::player->attach (	1332	cf::player->attach (
918	on_command => sub {	1333	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
920		1335
921	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
922	or return;	1337	or return;
923		1338
…		…
928	cf::override;	1343	cf::override;
929	},	1344	},
930	on_extcmd => sub {	1345	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
932		1347
933	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1349
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
941	} else {	1365	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1367	}
944		1368
945	cf::override;	1369	cf::override;
946	},	1370	},
947	);	1371	);
948		1372
		1373	# "readahead" all extensions
949	sub load_extension {	1374	sub cache_extensions {
950	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
951		1376
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1380	}
977	die $@;
978	}	1381	};
979		1382
980	push @EXTS, $pkg;	1383	$grp
981	}	1384	}
982		1385
983	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
984	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1391	next unless -r $path;
986	eval {	1392
987	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 $active;
		1455	}
988	1	1456	}
989	} or warn "$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	}
990	}	1467	};
991	}	1468	}
992		1469
993	#############################################################################	1470	#############################################################################
994		1471
		1472	=back
		1473
995	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
996		1475
997	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
998		1477
999	=cut	1478	=cut
1000		1479
1001	package cf::player;	1480	package cf::player;
1002		1481
1003	use Coro::AIO;	1482	use Coro::AIO;
1004		1483
1005	=head3 cf::player	1484	=head3 cf::player
1006		1485
1007	=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	}
1008		1501
1009	=item cf::player::find $login	1502	=item cf::player::find $login
1010		1503
1011	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1012		1505
…		…
1031		1524
1032	sub exists($) {	1525	sub exists($) {
1033	my ($login) = @_;	1526	my ($login) = @_;
1034		1527
1035	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1037	}	1530	}
1038		1531
1039	sub find($) {	1532	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1534	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1545
1053	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1056	}	1555	}
1057	}	1556	}
1058	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1059		1571
1060	sub save($) {	1572	sub save($) {
1061	my ($pl) = @_;	1573	my ($pl) = @_;
1062		1574
1063	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1069		1581
1070	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1074	Coro::cede;	1591	cf::cede_to_tick;
1075	}	1592	}
1076		1593
1077	sub new($) {	1594	sub new($) {
1078	my ($login) = @_;	1595	my ($login) = @_;
1079		1596
…		…
1085	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1086		1603
1087	$self	1604	$self
1088	}	1605	}
1089		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
1090	=item $pl->quit_character	1617	=item $pl->quit_character
1091		1618
1092	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1094		1621
…		…
1098	my ($pl) = @_;	1625	my ($pl) = @_;
1099		1626
1100	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1101		1628
1102	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1103	$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
1104		1631
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1109		1638
1110	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1676	or return [];
1148		1677
1149	my @logins;	1678	my @logins;
1150		1679
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1155		1690
1156	utf8::decode $login;	1691	utf8::decode $login;
1157	push @logins, $login;	1692	push @logins, $login;
1158	}	1693	}
1159		1694
1160	\@logins	1695	\@logins
1161	}	1696	}
1162		1697
1163	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1164		1701
1165	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1166	player. May block.	1703	player. May block.
1167		1704
1168	=cut	1705	=cut
…		…
1186	}	1723	}
1187		1724
1188	\@paths	1725	\@paths
1189	}	1726	}
1190		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1191	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1192		1733
1193	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1194		1735
1195	=cut	1736	=cut
1196		1737
1197	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1199		1740
1200	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1742	}
1204		1743
1205	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1206		1745
1207	Sends an ext event to the client.	1746	Sends an ext event to the client.
1208		1747
1209	=cut	1748	=cut
1210		1749
1211	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1213		1752
1214	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1215	}	1754	}
1216		1755
1217	=head3 cf::region	1756	=head3 cf::region
1218		1757
1219	=over 4	1758	=over 4
…		…
1222		1761
1223	package cf::region;	1762	package cf::region;
1224		1763
1225	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1226		1765
1227	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1228		1767
1229	=cut	1768	=cut
1230		1769
1231	sub find_by_path($) {	1770	sub find_by_path($) {
1232	my ($path) = @_;	1771	my ($path) = @_;
1233		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1234	my ($match, $specificity);	1775	my ($match, $specificity);
1235		1776
1236	for my $region (list) {	1777	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1240	}	1781	}
1241	}	1782	}
1242		1783
…		…
1263	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1265		1806
1266	sub generate_random_map {	1807	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1813	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1306	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1307		1851
1308	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1309	local $self->{path};	1853	local $self->{path};
1310	local $self->{load_path};	1854	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1855
1314	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1315	}	1857	}
1316		1858
1317	sub normalise {	1859	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1365	return $self;	1907	return $self;
1366	}	1908	}
1367	}	1909	}
1368		1910
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1912	()
1371	}	1913	}
1372		1914
1373	sub init {	1915	sub init {
1374	my ($self) = @_;	1916	my ($self) = @_;
…		…
1396		1938
1397	# the temporary/swap location	1939	# the temporary/swap location
1398	sub save_path {	1940	sub save_path {
1399	my ($self) = @_;	1941	my ($self) = @_;
1400		1942
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1403	}	1945	}
1404		1946
1405	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1406	sub uniq_path {	1948	sub uniq_path {
1407	my ($self) = @_;	1949	my ($self) = @_;
1408		1950
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1411	}	1953	}
1412		1954
1413	# and all this just because we cannot iterate over	1955	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1956	my ($self) = @_;
1417		1957
1418	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1420	}	1961	}
1421		1962
1422	sub unlink_save {	1963	sub unlink_save {
1423	my ($self) = @_;	1964	my ($self) = @_;
1424		1965
…		…
1429		1970
1430	sub load_header_from($) {	1971	sub load_header_from($) {
1431	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1432		1973
1433	utf8::encode $path;	1974	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1983
1440	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1441		1985
1442	1	1986	1
1443	}	1987	}
…		…
1482	$self->load_header_orig	2026	$self->load_header_orig
1483	or return;	2027	or return;
1484	$self->prepare_orig;	2028	$self->prepare_orig;
1485	}	2029	}
1486		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1487	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2035	unless $self->default_region;
1489		2036
1490	1	2037	1
1491	}	2038	}
…		…
1494	sub find {	2041	sub find {
1495	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1496		2043
1497	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1498		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2048
1501	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1504	or return;	2051	or return;
1505		2052
1506	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1507		2054
1508	$map->load_header	2055	$map->load_header
1509	or return;	2056	or return;
1510		2057
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1514	$map->reset;	2063	$map->reset;
1515	undef $guard;
1516	return find $path;	2064	return find $path;
1517	}	2065	}
1518		2066
1519	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1520	}	2068	}
1521	}	2069	}
1522		2070
1523	sub pre_load { }	2071	sub pre_load { }
1524	sub post_load { }	2072	#sub post_load { } # XS
1525		2073
1526	sub load {	2074	sub load {
1527	my ($self) = @_;	2075	my ($self) = @_;
1528		2076
1529	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1530		2078
1531	my $path = $self->{path};	2079	my $path = $self->{path};
1532		2080
1533	{	2081	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1535		2083
		2084	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2086
1538	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1539		2088
1540	$self->alloc;	2089	$self->alloc;
1541		2090
1542	$self->pre_load;	2091	$self->pre_load;
1543	Coro::cede;	2092	cf::cede_to_tick;
1544		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1546	or return;	2097	or return;
1547		2098
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1549	if delete $self->{load_original};	2100	if delete $self->{load_original};
1550		2101
1551	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2103	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2106	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1556	}	2110	}
1557	}	2111	}
1558		2112
1559	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1560	# now do the right thing for maps	2116	# now do the right thing for maps
1561	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2119	unless $self->difficulty;
1564	Coro::cede;	2120	cf::cede_to_tick;
1565		2121
1566	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2123	$self->decay_objects;
1568	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1569	$self->update_buttons;	2125	$self->update_buttons;
1570	Coro::cede;	2126	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2127	$self->activate;
1574	}	2128	}
1575		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2134	}
1578		2135
1579	$self->post_load;	2136	$self->post_load;
1580	}	2137	}
1581		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2142	sub customise_for {
1583	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1584		2144
1585	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2146	if $self->per_player;
1587		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1588	$self	2151	$self
1589	}	2152	}
1590		2153
1591	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2155	sub load_neighbours {
1593	my ($map) = @_;	2156	my ($map) = @_;
1594		2157
1595	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1596		2159
1597	for (0 .. 3) {	2160	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1599	or next;	2162	or next;
1600	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1601	or next;	2164	or next;
1602	$neigh->load;	2165	$neigh->load;
1603		2166
		2167	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2170	}
1607		2171
1608	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1610	or next;	2175	or next;
1611	$neigh->load;	2176	$neigh->load;
1612	}	2177	}
1613	}	2178	}
1614		2179
…		…
1619	}	2184	}
1620		2185
1621	sub do_load_sync {	2186	sub do_load_sync {
1622	my ($map) = @_;	2187	my ($map) = @_;
1623		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1624	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1625	}	2193	}
1626		2194
1627	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1629		2197
1630	sub find_async {	2198	sub find_async {
1631	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1632		2200
1633	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1634		2202
1635	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2205	}
1638		2206
1639	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1640	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1641	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2214	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2215	$map->load if $v;
		2216	}
1646		2217
1647	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1648	}	2219	}
1649	}	2220	}
1650	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1651	};	2222	};
1652	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1653		2224
1654	()	2225	()
1655	}	2226	}
1656		2227
		2228	# common code, used by both ->save and ->swapout
1657	sub save {	2229	sub _save {
1658	my ($self) = @_;	2230	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2231
1662	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1663		2233
1664	return unless $self->dirty;	2234	return unless $self->dirty;
1665		2235
…		…
1671	return if $self->{deny_save};	2241	return if $self->{deny_save};
1672		2242
1673	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1674		2244
1675	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1677	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1678		2251
1679	if ($uniq) {	2252	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2255	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2257	}
1685	}	2258	}
1686		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1687	sub swap_out {	2268	sub swap_out {
1688	my ($self) = @_;	2269	my ($self) = @_;
1689		2270
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1695	return if $self->players;	2275	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		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
1699	$self->clear;	2286	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2287	}
1702		2288
1703	sub reset_at {	2289	sub reset_at {
1704	my ($self) = @_;	2290	my ($self) = @_;
1705		2291
1706	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1709		2294
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2297
…		…
1723	my ($self) = @_;	2308	my ($self) = @_;
1724		2309
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2311
1727	return if $self->players;	2312	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2313
1730	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1731		2315
1732	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1733		2317
1734	# need to save uniques path	2318	# need to save uniques path
1735	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2323	if $uniq;
1740	}	2324	}
1741		2325
1742	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1743		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2330	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2331
1748	$self->unlink_save;	2332	$self->unlink_save;
1749	$self->destroy;	2333	$self->destroy;
1750	}	2334	}
1751		2335
1752	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1753		2337
1754	sub nuke {	2338	sub nuke {
1755	my ($self) = @_;	2339	my ($self) = @_;
1756		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1757	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1758		2345
1759	$self->unlink_save;	2346	$self->unlink_save;
1760		2347
1761	bless $self, "cf::map";	2348	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2353
1767	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1768		2356
1769	$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	]
1770	}	2394	}
1771		2395
1772	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1773		2397
1774	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2399	instantiated unique items. May block.
1776		2400
1777	=cut	2401	=cut
1778		2402
1779	sub unique_maps() {	2403	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2404	[
1781	or return;	2405	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2406	utf8::decode $_;
1787	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2409	? ()
1790	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2412	]
1792
1793	\@paths
1794	}	2413	}
1795		2414
1796	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	}
1797		2446
1798	=back	2447	=back
1799		2448
1800	=head3 cf::object	2449	=head3 cf::object
1801		2450
…		…
1805		2454
1806	=over 4	2455	=over 4
1807		2456
1808	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1809		2458
1810	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.
1811		2461
1812	=cut	2462	=cut
1813		2463
1814	sub inv_recursive_;	2464	sub inv_recursive_;
1815	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1818		2468
1819	sub inv_recursive {	2469	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1821	}	2471	}
1822		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
1823	package cf;	2501	package cf;
1824		2502
1825	=back	2503	=back
1826		2504
1827	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1836		2514
1837	=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	};
1838		2530
1839	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2532	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1844		2536
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2538
1847	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1852	}	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 (@_);
1853	}	2564	}
1854		2565
1855	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1856		2567
1857	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1870		2581
1871	=item $player_object->enter_link	2582	=item $player_object->enter_link
1872		2583
1873	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}>).
1874		2585
1875	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.
1876	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.
1877		2590
1878	Will never block.	2591	Will never block.
1879		2592
1880	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1881		2594
…		…
1904	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1905		2618
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2620
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1910		2623
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2625	}
1913		2626
1914	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1916		2631
1917	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1918		2633
1919	unless ($map) {	2634	unless ($map) {
1920	# restore original map position	2635	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1933		2648
1934	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1937		2652
1938	$map->load;	2653	$map->load;
1939	$map->load_diag;	2654	$map->load_neighbours;
1940		2655
1941	return unless $self->contr->active;	2656	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2657
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1946	}
1947		2660
1948	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2662	$self->activate_recursive;
1950	my ($pl) = @_;	2663	}
1951		2664
1952	# abort map switching before logout	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2666
1962	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1963	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1964	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1965	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1966	(async {	2671	be called at the end of this process.
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2672
1980	=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 >>.
1981		2675
1982	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1983		2679
1984	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1985	my ($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;
1986		2685
1987	$self->enter_link;	2686	$self->enter_link;
1988		2687
1989	(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
1990	my $map = eval {	2710	my $map = eval {
1991	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2726	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1998	})->prio (1);	2734	})->prio (1);
1999	}	2735	}
2000		2736
2001	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2002		2738
…		…
2022	}	2758	}
2023		2759
2024	sub prepare_random_map {	2760	sub prepare_random_map {
2025	my ($exit) = @_;	2761	my ($exit) = @_;
2026		2762
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2765	# that depends on the exit object
2032		2766
2033	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2769	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2040	}	2776	}
2041		2777
2042	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2043		2779
2044	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2047		2783
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2786	undef $fh;
2051	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2052		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2055	}	2795	}
2056	}	2796	}
2057		2797
2058	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2060		2800
2061	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2062		2802
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2803	$self->enter_link;
2075		2804
2076	(async {	2805	(async {
2077	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2078	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
2079	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2080		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
2081	1;	2829	1
2082	}) {	2830	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "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. "
2085	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2835
2088	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2107		2855
2108	utf8::encode $text;	2856	utf8::encode $text;
2109	$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);
2110	}	2858	}
2111		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
2112	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2113		3048
2114	Sends an exti event to the client.	3049	Sends an ext event to the client.
2115		3050
2116	=cut	3051	=cut
2117		3052
2118	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2120		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	3080	}
2124		3081
2125	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2126		3083
2127	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		3087
2131	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
2132	reliable at some point in the future.	3089	become reliable at some point in the future.
2133		3090
2134	=cut	3091	=cut
2135		3092
2136	sub cf::client::query {	3093	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3102	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3104
2148	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2150	}	3109	}
2151		3110
2152	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	},
2153	on_reply => sub {	3117	on_reply => sub {
2154	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2155		3119
2156	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2157	# get handled first	3121	# get handled first
…		…
2169	} else {	3133	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3135	}
2172	}	3136	}
2173	},	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	},
2174	);	3164	);
2175		3165
2176	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2177		3167
2178	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3184
2195	$coro	3185	$coro
2196	}	3186	}
2197		3187
2198	cf::client->attach (	3188	cf::client->attach (
2199	on_destroy => sub {	3189	on_client_destroy => sub {
2200	my ($ns) = @_;	3190	my ($ns) = @_;
2201		3191
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3193	},
2204	);	3194	);
…		…
2219	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2221		3211
2222	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2223		3213
2224	$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	));
2225		3219
2226	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2227		3221
2228	=pod	3222	=pod
2229		3223
2230	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2231		3225
2232	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
2233	cf::object::player player	3231	cf::object::player
2234	cf::player peaceful	3232	player
2235	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2236		3239
2237	=cut	3240	=cut
2238		3241
2239	for (	3242	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2244	) {	3249	) {
2245	no strict 'refs';	3250	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2265		3270
2266	my $qcode = $code;	3271	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2269		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2270	local $_;	3278	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3279
2273	my $eval =	3280	my $eval =
2274	"do {\n"	3281	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3284	. $code
2278	. "\n}"	3285	. "\n}"
2279	;	3286	;
2280		3287
		3288	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	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	}
2284		3297
2285	if ($@) {	3298	if ($@) {
2286	warn "$@";	3299	warn "$@";
2287	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2288	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2307	=cut	3320	=cut
2308		3321
2309	sub register_script_function {	3322	sub register_script_function {
2310	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2311		3324
2312	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2314	}	3327	}
2315		3328
2316	=back	3329	=back
2317		3330
2318	=cut	3331	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3332
2494	#############################################################################	3333	#############################################################################
2495	# the server's init and main functions	3334	# the server's init and main functions
2496		3335
2497	sub load_facedata($) {	3336	sub load_facedata($) {
2498	my ($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;
2499		3344
2500	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2501		3346
2502	my $facedata;	3347	my $facedata;
2503	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2507		3352
2508	$facedata->{version} == 2	3353	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3365	{
2512	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2513		3367
2514	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3375
		3376	cf::cede_to_tick;
2520	}	3377	}
2521		3378
2522	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2524	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2525	or next;	3383	or next;
		3384
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3388	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3390	}
2531	Coro::cede;	3391
		3392	cf::cede_to_tick;
2532	}	3393	}
2533	}	3394	}
2534		3395
2535	{	3396	{
2536	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2537		3398
2538	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3401	cf::cede_to_tick;
2541	}	3402	}
2542		3403
2543	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2544	}	3405	}
2545		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
2546	1	3426	1
2547	}	3427	}
2548		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	$status
		3465	}
		3466
2549	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2550	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2551	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 $_->{match};
		3478	}
2552	}	3479	}
2553		3480
2554	sub reload_facedata {	3481	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2567	}	3494	}
2568		3495
2569	sub reload_resources {	3496	sub reload_resources {
2570	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2571		3498
2572	reload_regions;
2573	reload_facedata;	3499	reload_facedata;
2574	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2575	reload_treasures;	3502	reload_treasures;
2576		3503
2577	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2578	}	3505	}
2579		3506
2580	sub init {	3507	sub reload_config {
2581	reload_resources;	3508	warn "reloading config file...\n";
2582	}
2583		3509
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3511	or return;
2587		3512
2588	local $/;	3513	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2590		3515
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3517
2593	$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};
2594	$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};
…		…
2598	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2599	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2600	};	3525	};
2601	warn $@ if $@;	3526	warn $@ if $@;
2602	}	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;
2603	}	3558	}
2604		3559
2605	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
2606	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2608	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#
2609	(async {	3573	(async {
2610	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2612	};	3577	};
2613		3578
2614	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;
2615	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
2616	load_extensions;	3602	load_extensions;
2617		3603
2618	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2619	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;
2620	}	3617	}
2621		3618
2622	#############################################################################	3619	#############################################################################
2623	# initialisation and cleanup	3620	# initialisation and cleanup
2624		3621
2625	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2626	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2635	},
2636	);	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
2637	}	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 };
2638	}	3718	}
2639		3719
2640	sub emergency_save() {	3720	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2642		3722
2643	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2644		3724
2645	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
2646	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3739	$pl->save;
2654	}	3740	}
2655	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2656		3742
2657	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3746	$map->valid or next;
2661	$map->save;	3747	$map->save;
2662	}	3748	}
2663	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2664		3750
2665	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2668	};	3758	};
2669		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2670	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2671	}	3766	}
2672		3767
2673	sub post_cleanup {	3768	sub post_cleanup {
2674	my ($make_core) = @_;	3769	my ($make_core) = @_;
2675		3770
2676	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2677	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	}
2678	}	3801	}
2679		3802
2680	sub do_reload_perl() {	3803	sub do_reload_perl() {
2681	# can/must only be called in main	3804	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2683	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2684	return;	3807	return;
2685	}	3808	}
2686		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2687	warn "reloading...";	3815	warn "reloading...";
2688		3816
2689	warn "entering sync_job";	3817	warn "entering sync_job";
2690		3818
2691	cf::sync_job {	3819	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3821	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2695		3823
2696	warn "syncing database to disk";	3824	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3826
2699	# 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
2700		3828
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3832	}
2737		3833
2738	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2740	}	3836	%EXT_CORO = ();
2741		3837
2742	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3847	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3848
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2753	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2754	}	3858	}
2755		3859
2756	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;
2757	}	3875	}
2758		3876
2759	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2761	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);
2762		3880
2763	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3884
2767	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3886	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2770		3888
2771	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2772		3890
2773	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2774	require cf;	3892	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2776		3894
2777	warn "loading config and database again";	3895	warn "loading config and database again";
2778	cf::cfg_load;	3896	cf::reload_config;
2779		3897
2780	warn "loading extensions";	3898	warn "loading extensions";
2781	cf::load_extensions;	3899	cf::load_extensions;
2782		3900
		3901	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2789		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2790	warn "leaving sync_job";	3913	warn "leaving sync_job";
2791		3914
2792	1	3915	1
2793	} or do {	3916	} or do {
2794	warn $@;	3917	warn $@;
2795	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3919	};
2798		3920
2799	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2800	};	3927	};
2801		3928
2802	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2803		3930
2804	sub reload_perl() {	3931	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2807		3934
2808	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3937
2811	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3939	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2815	},	3941	};
2816	);	3942	};
2817	}	3943	}
2818		3944
2819	register_command "reload" => sub {	3945	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2821		3947
2822	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3952	reload_perl;
		3953	};
2825	}	3954	}
2826	};	3955	};
2827		3956
2828	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2829		3958
…		…
2831		3960
2832	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2834		3963
2835	sub wait_for_tick {	3964	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3966
2839	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3969	$signal->wait;
2842	}	3970	}
2843		3971
2844	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		3974
2848	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3977	$signal->wait;
2851	}	3978	}
2852		3979
2853	$TICK_WATCHER = Event->timer (	3980	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2861	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"
2862	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2863	return;	3984	return;
2864	}	3985	}
2865		3986
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2869		3988
2870	$RUNTIME += $TICK;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		3990
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3995	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3997	};
		3998	}
2880		3999
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4001	$sig->send;
2886	}	4002	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4004	$sig->send;
2889	}	4005	}
2890		4006
2891	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4009
2902	_post_tick;	4010	if (0) {
2903		4011	if ($NEXT_TICK) {
2904		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
2905	},	4016	}
2906	);	4017	}
2907		4018
2908	{	4019	{
2909	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4021
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2919		4023	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4025
2935	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2936	$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);
2937		4033
2938	cf::sync_job {	4034	cf::sync_job {
2939	eval {	4035	eval {
2940	BDB::db_env_open	4036	BDB::db_env_open
2941	$DB_ENV,	4037	$DB_ENV,
…		…
2943	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
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4041	0666;
2946		4042
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4044	};
2952		4045
2953	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4047	};
2955	}	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	};
2956	}	4059	}
2957		4060
2958	{	4061	{
		4062	# configure IO::AIO
		4063
2959	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4067	}
2972		4068
2973	my $_log_backtrace;	4069	my $_log_backtrace;
2974		4070
2975	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
2979		4075
2980	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
2983	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
2984	my @bt = fork_call {	4083	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	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 |"
2988	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
2996	}	4095	}
2997		4096
2998	@funcs	4097	@funcs
2999	};	4098	};
3000		4099
3001	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4103	--$_log_backtrace;
3004	};	4104	};
3005	} else {	4105	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	4108	}
3009	}	4109	}
3010		4110
3011	# load additional modules	4111	# load additional modules
3012	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3013		4114
3014	END { cf::emergency_save }	4115	END { cf::emergency_save }
3015		4116
3016	1	4117	1
3017		4118

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