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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 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	IO::AIO::aio_utime $runtime, undef, undef;	581	=cut
401		582
402	my $guard = cf::lock_acquire "write_runtime";	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
403		585
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	586	# we seemingly have to make a local copy of the whole thing,
405	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
406		589
407	my $value = $cf::RUNTIME + 90 + 10;	590	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	591	reset_signals;
409	# 60 allows for the watchdog to kill the server.	592	&$cb
		593	}, @args;
410		594
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	wantarray ? @res : $res[-1]
412	and return;	596	}
413		597
414	# always fsync - this file is important	598	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
430	}	761	}
431		762
432	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
433		764
434	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.
…		…
446		777
447	#############################################################################	778	#############################################################################
448		779
449	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
450		781
451	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
452	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")
453	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
454		785
455	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>
456	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
457	crossfire+).	788	Deliantra).
458		789
459	=over 4	790	=over 4
460		791
461	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
462		793
…		…
506	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
507		838
508	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
510		841
511	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		844
514	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
515		846
516	=over 4	847	=over 4
…		…
664	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
665	}	996	}
666		997
667	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
668	} else {	999	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	1001	}
671		1002
672	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
673	}	1004	}
674		1005
…		…
714	";	1045	";
715	die if $@;	1046	die if $@;
716	}	1047	}
717		1048
718	our $override;	1049	our $override;
719	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?
720		1051
721	sub override {	1052	sub override {
722	$override = 1;	1053	$override = 1;
723	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
724	}	1055	}
725		1056
726	sub do_invoke {	1057	sub do_invoke {
727	my $event = shift;	1058	my $event = shift;
728	my $callbacks = shift;	1059	my $callbacks = shift;
729		1060
730	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
731		1062
732	local $override;	1063	local $override;
733		1064
734	for (@$callbacks) {	1065	for (@$callbacks) {
735	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
744	}	1075	}
745		1076
746	0	1077	0
747	}	1078	}
748		1079
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1081
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1083
753	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
754		1085
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1089
759	=back	1090	=back
760		1091
761	=cut	1092	=cut
762		1093
763	#############################################################################	1094	#############################################################################
764	# 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, $ob2
		1137	}
765		1138
766	sub reattach {	1139	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1141	my ($obj) = @_;
769		1142
		1143	# no longer needed after getting rid of delete_package?
770	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
771		1145
772	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
773		1147
774	@$registry = ();	1148	@$registry = ();
775		1149
…		…
790	cf::attachable->attach (	1164	cf::attachable->attach (
791	prio => -1000000,	1165	prio => -1000000,
792	on_instantiate => sub {	1166	on_instantiate => sub {
793	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
794		1168
795	$data = from_json $data;	1169	$data = decode_json $data;
796		1170
797	for (@$data) {	1171	for (@$data) {
798	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
799		1173
800	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1190	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
818		1192
819	sync_job {	1193	sync_job {
820	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
823		1198
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1206	aio_close $fh;
829		1207
830	if (@$objs) {	1208	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1217	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
838	}	1219	}
839	} else {	1220	} else {
840	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
841	}	1222	}
842		1223
843	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1228	} else {
845	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
846	}	1230	}
847	} else {	1231	} else {
848	aio_unlink $filename;	1232	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
850	}	1234	}
851	}	1235	};
852	}	1236	}
853		1237
854	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
856		1240
…		…
868	or return;	1252	or return;
869		1253
870	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
872	or return;	1256	or return;
		1257
873	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
874	}	1260	}
875		1261
		1262	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
878	return ($data, $av);	1266	($data, $av)
879	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
880		1274
881	#############################################################################	1275	#############################################################################
882	# command handling &c	1276	# command handling &c
883		1277
884	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1292	}
899		1293
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1295
902	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.
903		1301
904	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
905	called.	1303	called.
906		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
907	=cut	1316	=cut
908		1317
909	sub register_extcmd {	1318	sub register_extcmd {
910	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
911		1320
912	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
913	}	1322	}
914		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
915	cf::player->attach (	1332	cf::player->attach (
916	on_command => sub {	1333	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
918		1335
919	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
920	or return;	1337	or return;
921		1338
…		…
926	cf::override;	1343	cf::override;
927	},	1344	},
928	on_extcmd => sub {	1345	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
930		1347
931	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1349
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
939	} else {	1365	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1367	}
942		1368
943	cf::override;	1369	cf::override;
944	},	1370	},
945	);	1371	);
946		1372
		1373	# "readahead" all extensions
947	sub load_extension {	1374	sub cache_extensions {
948	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
949		1376
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1380	}
975	die $@;
976	}	1381	};
977		1382
978	push @EXTS, $pkg;	1383	$grp
979	}	1384	}
980		1385
981	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
982	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1391	next unless -r $path;
984	eval {	1392
985	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 $active;
		1455	}
986	1	1456	}
987	} or warn "$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	}
988	}	1467	};
989	}	1468	}
990		1469
991	#############################################################################	1470	#############################################################################
992		1471
		1472	=back
		1473
993	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
994		1475
995	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
996		1477
997	=cut	1478	=cut
998		1479
999	package cf::player;	1480	package cf::player;
1000		1481
1001	use Coro::AIO;	1482	use Coro::AIO;
1002		1483
1003	=head3 cf::player	1484	=head3 cf::player
1004		1485
1005	=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	}
1006		1501
1007	=item cf::player::find $login	1502	=item cf::player::find $login
1008		1503
1009	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1010		1505
…		…
1029		1524
1030	sub exists($) {	1525	sub exists($) {
1031	my ($login) = @_;	1526	my ($login) = @_;
1032		1527
1033	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1035	}	1530	}
1036		1531
1037	sub find($) {	1532	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1534	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1545
1051	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1054	}	1555	}
1055	}	1556	}
1056	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1057		1571
1058	sub save($) {	1572	sub save($) {
1059	my ($pl) = @_;	1573	my ($pl) = @_;
1060		1574
1061	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1067		1581
1068	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1072	Coro::cede;	1591	cf::cede_to_tick;
1073	}	1592	}
1074		1593
1075	sub new($) {	1594	sub new($) {
1076	my ($login) = @_;	1595	my ($login) = @_;
1077		1596
…		…
1083	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1084		1603
1085	$self	1604	$self
1086	}	1605	}
1087		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
1088	=item $pl->quit_character	1617	=item $pl->quit_character
1089		1618
1090	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1092		1621
…		…
1096	my ($pl) = @_;	1625	my ($pl) = @_;
1097		1626
1098	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1099		1628
1100	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1101	$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
1102		1631
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1107		1638
1108	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1676	or return [];
1146		1677
1147	my @logins;	1678	my @logins;
1148		1679
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1153		1690
1154	utf8::decode $login;	1691	utf8::decode $login;
1155	push @logins, $login;	1692	push @logins, $login;
1156	}	1693	}
1157		1694
1158	\@logins	1695	\@logins
1159	}	1696	}
1160		1697
1161	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1162		1701
1163	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1164	player. May block.	1703	player. May block.
1165		1704
1166	=cut	1705	=cut
…		…
1184	}	1723	}
1185		1724
1186	\@paths	1725	\@paths
1187	}	1726	}
1188		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1189	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1190		1733
1191	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1192		1735
1193	=cut	1736	=cut
1194		1737
1195	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1197		1740
1198	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1742	}
1202		1743
1203	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1204		1745
1205	Sends an ext event to the client.	1746	Sends an ext event to the client.
1206		1747
1207	=cut	1748	=cut
1208		1749
1209	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1211		1752
1212	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1213	}	1754	}
1214		1755
1215	=head3 cf::region	1756	=head3 cf::region
1216		1757
1217	=over 4	1758	=over 4
…		…
1220		1761
1221	package cf::region;	1762	package cf::region;
1222		1763
1223	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1224		1765
1225	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1226		1767
1227	=cut	1768	=cut
1228		1769
1229	sub find_by_path($) {	1770	sub find_by_path($) {
1230	my ($path) = @_;	1771	my ($path) = @_;
1231		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1232	my ($match, $specificity);	1775	my ($match, $specificity);
1233		1776
1234	for my $region (list) {	1777	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1238	}	1781	}
1239	}	1782	}
1240		1783
…		…
1261	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1263		1806
1264	sub generate_random_map {	1807	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1813	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1304	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1305		1851
1306	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1307	local $self->{path};	1853	local $self->{path};
1308	local $self->{load_path};	1854	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1855
1312	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1313	}	1857	}
1314		1858
1315	sub normalise {	1859	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1363	return $self;	1907	return $self;
1364	}	1908	}
1365	}	1909	}
1366		1910
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1912	()
1369	}	1913	}
1370		1914
1371	sub init {	1915	sub init {
1372	my ($self) = @_;	1916	my ($self) = @_;
…		…
1394		1938
1395	# the temporary/swap location	1939	# the temporary/swap location
1396	sub save_path {	1940	sub save_path {
1397	my ($self) = @_;	1941	my ($self) = @_;
1398		1942
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1401	}	1945	}
1402		1946
1403	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1404	sub uniq_path {	1948	sub uniq_path {
1405	my ($self) = @_;	1949	my ($self) = @_;
1406		1950
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1409	}	1953	}
1410		1954
1411	# and all this just because we cannot iterate over	1955	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1956	my ($self) = @_;
1415		1957
1416	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1418	}	1961	}
1419		1962
1420	sub unlink_save {	1963	sub unlink_save {
1421	my ($self) = @_;	1964	my ($self) = @_;
1422		1965
…		…
1427		1970
1428	sub load_header_from($) {	1971	sub load_header_from($) {
1429	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1430		1973
1431	utf8::encode $path;	1974	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1983
1438	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1439		1985
1440	1	1986	1
1441	}	1987	}
…		…
1480	$self->load_header_orig	2026	$self->load_header_orig
1481	or return;	2027	or return;
1482	$self->prepare_orig;	2028	$self->prepare_orig;
1483	}	2029	}
1484		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1485	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2035	unless $self->default_region;
1487		2036
1488	1	2037	1
1489	}	2038	}
…		…
1492	sub find {	2041	sub find {
1493	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1494		2043
1495	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1496		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2048
1499	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1502	or return;	2051	or return;
1503		2052
1504	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1505		2054
1506	$map->load_header	2055	$map->load_header
1507	or return;	2056	or return;
1508		2057
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1512	$map->reset;	2063	$map->reset;
1513	undef $guard;
1514	return find $path;	2064	return find $path;
1515	}	2065	}
1516		2066
1517	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1518	}	2068	}
1519	}	2069	}
1520		2070
1521	sub pre_load { }	2071	sub pre_load { }
1522	sub post_load { }	2072	#sub post_load { } # XS
1523		2073
1524	sub load {	2074	sub load {
1525	my ($self) = @_;	2075	my ($self) = @_;
1526		2076
1527	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1528		2078
1529	my $path = $self->{path};	2079	my $path = $self->{path};
1530		2080
1531	{	2081	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1533		2083
		2084	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2086
1536	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1537		2088
1538	$self->alloc;	2089	$self->alloc;
1539		2090
1540	$self->pre_load;	2091	$self->pre_load;
1541	Coro::cede;	2092	cf::cede_to_tick;
1542		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1544	or return;	2097	or return;
1545		2098
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1547	if delete $self->{load_original};	2100	if delete $self->{load_original};
1548		2101
1549	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2103	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2106	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1554	}	2110	}
1555	}	2111	}
1556		2112
1557	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1558	# now do the right thing for maps	2116	# now do the right thing for maps
1559	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2119	unless $self->difficulty;
1562	Coro::cede;	2120	cf::cede_to_tick;
1563		2121
1564	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2123	$self->decay_objects;
1566	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1567	$self->update_buttons;	2125	$self->update_buttons;
1568	Coro::cede;	2126	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2127	$self->activate;
1572	}	2128	}
1573		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2134	}
1576		2135
1577	$self->post_load;	2136	$self->post_load;
1578	}	2137	}
1579		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2142	sub customise_for {
1581	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1582		2144
1583	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2146	if $self->per_player;
1585		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1586	$self	2151	$self
1587	}	2152	}
1588		2153
1589	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2155	sub load_neighbours {
1591	my ($map) = @_;	2156	my ($map) = @_;
1592		2157
1593	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1594		2159
1595	for (0 .. 3) {	2160	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1597	or next;	2162	or next;
1598	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1599	or next;	2164	or next;
1600	$neigh->load;	2165	$neigh->load;
1601		2166
		2167	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2170	}
1605		2171
1606	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1608	or next;	2175	or next;
1609	$neigh->load;	2176	$neigh->load;
1610	}	2177	}
1611	}	2178	}
1612		2179
…		…
1617	}	2184	}
1618		2185
1619	sub do_load_sync {	2186	sub do_load_sync {
1620	my ($map) = @_;	2187	my ($map) = @_;
1621		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1622	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1623	}	2193	}
1624		2194
1625	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1627		2197
1628	sub find_async {	2198	sub find_async {
1629	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1630		2200
1631	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1632		2202
1633	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2205	}
1636		2206
1637	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1638	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1639	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2214	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2215	$map->load if $v;
		2216	}
1644		2217
1645	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1646	}	2219	}
1647	}	2220	}
1648	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1649	};	2222	};
1650	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1651		2224
1652	()	2225	()
1653	}	2226	}
1654		2227
		2228	# common code, used by both ->save and ->swapout
1655	sub save {	2229	sub _save {
1656	my ($self) = @_;	2230	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2231
1660	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1661		2233
1662	return unless $self->dirty;	2234	return unless $self->dirty;
1663		2235
…		…
1669	return if $self->{deny_save};	2241	return if $self->{deny_save};
1670		2242
1671	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1672		2244
1673	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1675	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1676		2251
1677	if ($uniq) {	2252	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2255	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2257	}
1683	}	2258	}
1684		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1685	sub swap_out {	2268	sub swap_out {
1686	my ($self) = @_;	2269	my ($self) = @_;
1687		2270
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1693	return if $self->players;	2275	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2286	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2287	}
1700		2288
1701	sub reset_at {	2289	sub reset_at {
1702	my ($self) = @_;	2290	my ($self) = @_;
1703		2291
1704	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1707		2294
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2297
…		…
1721	my ($self) = @_;	2308	my ($self) = @_;
1722		2309
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2311
1725	return if $self->players;	2312	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2313
1728	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1729		2315
1730	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1731		2317
1732	# need to save uniques path	2318	# need to save uniques path
1733	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2323	if $uniq;
1738	}	2324	}
1739		2325
1740	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1741		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2330	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2331
1746	$self->unlink_save;	2332	$self->unlink_save;
1747	$self->destroy;	2333	$self->destroy;
1748	}	2334	}
1749		2335
1750	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1751		2337
1752	sub nuke {	2338	sub nuke {
1753	my ($self) = @_;	2339	my ($self) = @_;
1754		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1755	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1756		2345
1757	$self->unlink_save;	2346	$self->unlink_save;
1758		2347
1759	bless $self, "cf::map";	2348	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2353
1765	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1766		2356
1767	$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	]
1768	}	2394	}
1769		2395
1770	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1771		2397
1772	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2399	instantiated unique items. May block.
1774		2400
1775	=cut	2401	=cut
1776		2402
1777	sub unique_maps() {	2403	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2404	[
1779	or return;	2405	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2406	utf8::decode $_;
1785	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2409	? ()
1788	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2412	]
1790
1791	\@paths
1792	}	2413	}
1793		2414
1794	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	}
1795		2446
1796	=back	2447	=back
1797		2448
1798	=head3 cf::object	2449	=head3 cf::object
1799		2450
…		…
1803		2454
1804	=over 4	2455	=over 4
1805		2456
1806	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1807		2458
1808	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.
1809		2461
1810	=cut	2462	=cut
1811		2463
1812	sub inv_recursive_;	2464	sub inv_recursive_;
1813	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1816		2468
1817	sub inv_recursive {	2469	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1819	}	2471	}
1820		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
1821	package cf;	2501	package cf;
1822		2502
1823	=back	2503	=back
1824		2504
1825	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1834		2514
1835	=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	};
1836		2530
1837	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2532	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1842		2536
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2538
1845	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1850	}	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 (@_);
1851	}	2564	}
1852		2565
1853	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1854		2567
1855	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1868		2581
1869	=item $player_object->enter_link	2582	=item $player_object->enter_link
1870		2583
1871	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}>).
1872		2585
1873	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.
1874	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.
1875		2590
1876	Will never block.	2591	Will never block.
1877		2592
1878	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1879		2594
…		…
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2620
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
1908		2623
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2625	}
1911		2626
1912	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
1914		2629
…		…
1931	($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
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2666
1950	Moves the player to the given map-path and coordinates by first freezing	2667	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2669	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2670	the new (success) or old (failed) map position. In either case, $done will
		2671	be called at the end of this process.
		2672
		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 >>.
1954		2675
1955	=cut	2676	=cut
1956		2677
1957	our $GOTOGEN;	2678	our $GOTOGEN;
1958		2679
1959	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2682
1962	# do generation counting so two concurrent goto's will be executed in-order	2683	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2685
1965	$self->enter_link;	2686	$self->enter_link;
1966		2687
1967	(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
1968	my $map = eval {	2710	my $map = eval {
1969	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
1970		2712
1971	if ($map) {	2713	if ($map) {
1972	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
1974	} else {	2716	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2718	}
1977		2719
1978	$map	2720	$map
1979	};	2721	};
1980		2722
…		…
1985		2727
1986	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
1989	}	2731	}
		2732
		2733	$done->() if $done;
1990	})->prio (1);	2734	})->prio (1);
1991	}	2735	}
1992		2736
1993	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1994		2738
…		…
2014	}	2758	}
2015		2759
2016	sub prepare_random_map {	2760	sub prepare_random_map {
2017	my ($exit) = @_;	2761	my ($exit) = @_;
2018		2762
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2765	# that depends on the exit object
2024		2766
2025	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2769	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2032	}	2776	}
2033		2777
2034	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2035		2779
2036	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2039		2783
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2786	undef $fh;
2043	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2044		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2047	}	2795	}
2048	}	2796	}
2049		2797
2050	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2052		2800
2053	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2054		2802
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2803	$self->enter_link;
2067		2804
2068	(async {	2805	(async {
2069	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2072		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
2073	1;	2829	1
2074	}) {	2830	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2835
2080	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2099		2855
2100	utf8::encode $text;	2856	utf8::encode $text;
2101	$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);
2102	}	2858	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2105		3048
2106	Sends an exti event to the client.	3049	Sends an ext event to the client.
2107		3050
2108	=cut	3051	=cut
2109		3052
2110	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2112		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	3080	}
2116		3081
2117	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2118		3083
2119	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3087
2123	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
2124	reliable at some point in the future.	3089	become reliable at some point in the future.
2125		3090
2126	=cut	3091	=cut
2127		3092
2128	sub cf::client::query {	3093	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3102	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3104
2140	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2142	}	3109	}
2143		3110
2144	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	},
2145	on_reply => sub {	3117	on_reply => sub {
2146	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2147		3119
2148	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2149	# get handled first	3121	# get handled first
…		…
2161	} else {	3133	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3135	}
2164	}	3136	}
2165	},	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	},
2166	);	3164	);
2167		3165
2168	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2169		3167
2170	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3184
2187	$coro	3185	$coro
2188	}	3186	}
2189		3187
2190	cf::client->attach (	3188	cf::client->attach (
2191	on_destroy => sub {	3189	on_client_destroy => sub {
2192	my ($ns) = @_;	3190	my ($ns) = @_;
2193		3191
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3193	},
2196	);	3194	);
…		…
2211	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2213		3211
2214	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2215		3213
2216	$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	));
2217		3219
2218	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2219		3221
2220	=pod	3222	=pod
2221		3223
2222	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2223		3225
2224	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
2225	cf::object::player player	3231	cf::object::player
2226	cf::player peaceful	3232	player
2227	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2228		3239
2229	=cut	3240	=cut
2230		3241
2231	for (	3242	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2236	) {	3249	) {
2237	no strict 'refs';	3250	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257		3270
2258	my $qcode = $code;	3271	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2261		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2262	local $_;	3278	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3279
2265	my $eval =	3280	my $eval =
2266	"do {\n"	3281	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3284	. $code
2270	. "\n}"	3285	. "\n}"
2271	;	3286	;
2272		3287
		3288	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3297
2277	if ($@) {	3298	if ($@) {
2278	warn "$@";	3299	warn "$@";
2279	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2280	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2299	=cut	3320	=cut
2300		3321
2301	sub register_script_function {	3322	sub register_script_function {
2302	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2303		3324
2304	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2306	}	3327	}
2307		3328
2308	=back	3329	=back
2309		3330
2310	=cut	3331	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3332
2484	#############################################################################	3333	#############################################################################
2485	# the server's init and main functions	3334	# the server's init and main functions
2486		3335
2487	sub load_facedata($) {	3336	sub load_facedata($) {
2488	my ($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;
2489		3344
2490	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2491		3346
2492	my $facedata;	3347	my $facedata;
2493	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2497		3352
2498	$facedata->{version} == 2	3353	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3365	{
2502	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2503		3367
2504	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3370
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3375
		3376	cf::cede_to_tick;
2511	}	3377	}
2512		3378
2513	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2515	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2516	or next;	3383	or next;
		3384
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3388	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3390	}
2522	Coro::cede;	3391
		3392	cf::cede_to_tick;
2523	}	3393	}
2524	}	3394	}
2525		3395
2526	{	3396	{
2527	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2528		3398
2529	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3401	cf::cede_to_tick;
2532	}	3402	}
2533		3403
2534	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2535	}	3405	}
2536		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
2537	1	3426	1
2538	}	3427	}
2539		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	$status
		3465	}
		3466
2540	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2541	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2542	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 $_->{match};
		3478	}
2543	}	3479	}
2544		3480
2545	sub reload_facedata {	3481	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2558	}	3494	}
2559		3495
2560	sub reload_resources {	3496	sub reload_resources {
2561	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2562		3498
2563	reload_regions;
2564	reload_facedata;	3499	reload_facedata;
2565	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2566	reload_treasures;	3502	reload_treasures;
2567		3503
2568	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2569	}	3505	}
2570		3506
2571	sub init {	3507	sub reload_config {
2572	reload_resources;	3508	warn "reloading config file...\n";
2573	}
2574		3509
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3511	or return;
2578		3512
2579	local $/;	3513	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2581		3515
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3517
2584	$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};
2585	$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};
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3525	};
2592	warn $@ if $@;	3526	warn $@ if $@;
2593	}	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;
2594	}	3558	}
2595		3559
2596	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
2597	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2599	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#
2600	(async {	3573	(async {
2601	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2603	};	3577	};
2604		3578
2605	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;
2606	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
2607	load_extensions;	3602	load_extensions;
2608		3603
2609	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2610	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;
2611	}	3617	}
2612		3618
2613	#############################################################################	3619	#############################################################################
2614	# initialisation and cleanup	3620	# initialisation and cleanup
2615		3621
2616	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2617	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2626	},
2627	);	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
2628	}	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 };
2629	}	3718	}
2630		3719
2631	sub emergency_save() {	3720	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2633		3722
2634	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2635		3724
2636	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
2637	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3739	$pl->save;
2645	}	3740	}
2646	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2647		3742
2648	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3746	$map->valid or next;
2652	$map->save;	3747	$map->save;
2653	}	3748	}
2654	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2655		3750
2656	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2659	};	3758	};
2660		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2661	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2662	}	3766	}
2663		3767
2664	sub post_cleanup {	3768	sub post_cleanup {
2665	my ($make_core) = @_;	3769	my ($make_core) = @_;
2666		3770
2667	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2668	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	}
2669	}	3801	}
2670		3802
2671	sub do_reload_perl() {	3803	sub do_reload_perl() {
2672	# can/must only be called in main	3804	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2674	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2675	return;	3807	return;
2676	}	3808	}
2677		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2678	warn "reloading...";	3815	warn "reloading...";
2679		3816
2680	warn "entering sync_job";	3817	warn "entering sync_job";
2681		3818
2682	cf::sync_job {	3819	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3821	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2686		3823
2687	warn "syncing database to disk";	3824	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3826
2690	# 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
2691		3828
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3832	}
2728		3833
2729	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2731	}	3836	%EXT_CORO = ();
2732		3837
2733	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3847	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3848
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2744	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2745	}	3858	}
2746		3859
2747	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;
2748	}	3875	}
2749		3876
2750	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2752	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);
2753		3880
2754	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3884
2758	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3886	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2761		3888
2762	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2763		3890
2764	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2765	require cf;	3892	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2767		3894
2768	warn "loading config and database again";	3895	warn "loading config and database again";
2769	cf::cfg_load;	3896	cf::reload_config;
2770		3897
2771	warn "loading extensions";	3898	warn "loading extensions";
2772	cf::load_extensions;	3899	cf::load_extensions;
2773		3900
		3901	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2780		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2781	warn "leaving sync_job";	3913	warn "leaving sync_job";
2782		3914
2783	1	3915	1
2784	} or do {	3916	} or do {
2785	warn $@;	3917	warn $@;
2786	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3919	};
2789		3920
2790	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2791	};	3927	};
2792		3928
2793	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2794		3930
2795	sub reload_perl() {	3931	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2798		3934
2799	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3937
2802	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3939	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2806	},	3941	};
2807	);	3942	};
2808	}	3943	}
2809		3944
2810	register_command "reload" => sub {	3945	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2812		3947
2813	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3952	reload_perl;
		3953	};
2816	}	3954	}
2817	};	3955	};
2818		3956
2819	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2820		3958
…		…
2822		3960
2823	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2825		3963
2826	sub wait_for_tick {	3964	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		3966
2830	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3969	$signal->wait;
2833	}	3970	}
2834		3971
2835	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3974
2839	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3977	$signal->wait;
2842	}	3978	}
2843		3979
2844	my $min = 1e6;#d#	3980	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2854	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"
2855	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2856	return;	3984	return;
2857	}	3985	}
2858		3986
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2862		3988
2863	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		3990
2869	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	3993	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	3995	write_runtime_sync
2874		3996	or warn "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3997	};
		3998	}
2885		3999
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4001	$sig->send;
2902	}	4002	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4004	$sig->send;
2905	}	4005	}
2906		4006
2907	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4009
2918	_post_tick;	4010	if (0) {
2919		4011	if ($NEXT_TICK) {
2920		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
2921	},	4016	}
2922	);	4017	}
2923		4018
2924	{	4019	{
2925	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4021
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2935		4023	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4025
2951	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2952	$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);
2953		4033
2954	cf::sync_job {	4034	cf::sync_job {
2955	eval {	4035	eval {
2956	BDB::db_env_open	4036	BDB::db_env_open
2957	$DB_ENV,	4037	$DB_ENV,
…		…
2959	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
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4041	0666;
2962		4042
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4044	};
2968		4045
2969	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4047	};
2971	}	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	};
2972	}	4059	}
2973		4060
2974	{	4061	{
		4062	# configure IO::AIO
		4063
2975	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4067	}
2988		4068
2989	my $_log_backtrace;	4069	my $_log_backtrace;
2990		4070
2991	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
2995		4075
2996	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
2999	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3000	my @bt = fork_call {	4083	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	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 |"
3004	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3012	}	4095	}
3013		4096
3014	@funcs	4097	@funcs
3015	};	4098	};
3016		4099
3017	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4103	--$_log_backtrace;
3020	};	4104	};
3021	} else {	4105	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4108	}
3025	}	4109	}
3026		4110
3027	# load additional modules	4111	# load additional modules
3028	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3029		4114
3030	END { cf::emergency_save }	4115	END { cf::emergency_save }
3031		4116
3032	1	4117	1
3033		4118

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