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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	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	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
211		317
212	#############################################################################	318	#############################################################################
213		319
214	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	343	$d
238	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
239	}	345	}
240		346
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
251	=item cf::lock_wait $string	405	=item cf::lock_wait $string
252		406
253	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
254		408
255	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
256		410
257	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
260	returned.	414	returned.
261		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
262	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
264		421
265	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
266		423
267	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
268		425
269	=cut	426	=cut
270		427
271	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
272		429
273	sub lock_wait($) {	430	sub lock_wait($) {
274	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	432	}
282		433
283	sub lock_acquire($) {	434	sub lock_acquire($) {
284	my ($key) = @_;	435	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	436	}
296		437
297	sub lock_active($) {	438	sub lock_active($) {
298	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	440	}
302		441
303	sub freeze_mainloop {	442	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
305		444
306	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
308	};	512	}
309	$TICK_WATCHER->stop;	513	};
310	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
311	}	528	}
312		529
313	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
314		531
315	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		537
321	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
322		539
323	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
324		541
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	545	acceptable.
329		546
330	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	552	=cut
336		553
337	sub sync_job(&) {	554	sub sync_job(&) {
338	my ($job) = @_;	555	my ($job) = @_;
339		556
340	if ($Coro::current == $Coro::main) {	557	if (in_main) {
341	my $time = Event::time;	558	my $time = AE::time;
342		559
343	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
345		562
346	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	564
348	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
349		566
350	my $busy = 1;	567	my $busy = 1;
351	my @res;	568	my @res;
352		569
353	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	572	@res = eval { $job->() };
355	warn $@ if $@;	573	error $@ if $@;
356	undef $busy;	574	undef $busy;
357	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
358		576
359	while ($busy) {	577	while ($busy) {
360	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
361	}	582	}
		583	}
362		584
363	$time = Event::time - $time;	585	my $time = AE::time - $time;
364		586
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
369		588
370	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
371	} else {	590	} else {
372	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
373		592
…		…
393	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
394		613
395	$coro	614	$coro
396	}	615	}
397		616
398	=item fork_call { }, $args	617	=item fork_call { }, @args
399		618
400	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
404		623
405	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
406		629
407	sub fork_call(&@) {	630	sub fork_call(&@) {
408	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
409		632
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		636
415	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
416	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
417		641
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	643	}
420		644
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
440	}	681	}
441		682
442	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
443		684
444	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
447		688
448	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
451	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
452		718
453	our $DB;	719	our $DB;
454		720
455	sub db_init {	721	sub db_init {
456	unless ($DB) {	722	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	723	}
471		724
472	sub db_get($$) {	725	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
474		727
475	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
476	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
477		732
478	$! ? ()	733	$! ? ()
479	: $data	734	: $data
480	}
481	}	735	}
482		736
483	sub db_put($$$) {	737	sub db_put($$$) {
484	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	778	if (1) {
525	$md5 =	779	$md5 =
526	join "\x00",	780	join "\x00",
527	$processversion,	781	$processversion,
528	map {	782	map {
529	Coro::cede;	783	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	785	} 0.. $#$src;
532		786
533		787
534	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		795
542	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	797	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
545		799
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		801
548	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
551		805
…		…
561		815
562	=cut	816	=cut
563		817
564	sub datalog($@) {	818	sub datalog($@) {
565	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	821	}
568		822
569	=back	823	=back
570		824
571	=cut	825	=cut
572		826
573	#############################################################################	827	#############################################################################
574		828
575	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
576		830
577	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
580		834
581	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	837	Deliantra).
584		838
585	=over 4	839	=over 4
586		840
587	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
588		842
…		…
632	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
633		887
634	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
636		890
637	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
639		893
640	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
641		895
642	=over 4	896	=over 4
…		…
766		1020
767	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1023
770	} elsif (ref $type) {	1024	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
772		1026
773	} else {	1027	} else {
774	shift @arg;	1028	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
776	}	1030	}
777	}	1031	}
778	}	1032	}
779		1033
780	sub _object_attach {	1034	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
791	}	1045	}
792		1046
793	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
794	} else {	1048	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1050	}
797		1051
798	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
799	}	1053	}
800		1054
…		…
840	";	1094	";
841	die if $@;	1095	die if $@;
842	}	1096	}
843		1097
844	our $override;	1098	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1100
847	sub override {	1101	sub override {
848	$override = 1;	1102	$override = 1;
849	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
850	}	1104	}
851		1105
852	sub do_invoke {	1106	sub do_invoke {
853	my $event = shift;	1107	my $event = shift;
854	my $callbacks = shift;	1108	my $callbacks = shift;
855		1109
856	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
857		1111
858	local $override;	1112	local $override;
859		1113
860	for (@$callbacks) {	1114	for (@$callbacks) {
861	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
862		1116
863	if ($@) {	1117	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1119	override;
867	}	1120	}
868		1121
869	return 1 if $override;	1122	return 1 if $override;
870	}	1123	}
871		1124
872	0	1125	0
873	}	1126	}
874		1127
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1129
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1131
879	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
880		1133
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1137
885	=back	1138	=back
886		1139
887	=cut	1140	=cut
888		1141
889	#############################################################################	1142	#############################################################################
890	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
891		1186
892	sub reattach {	1187	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1189	my ($obj) = @_;
895		1190
		1191	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1193
898	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
899		1195
900	@$registry = ();	1196	@$registry = ();
901		1197
…		…
906	for (@$attach) {	1202	for (@$attach) {
907	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
909	}	1205	}
910	} else {	1206	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1208	}
913	}	1209	}
914	}	1210	}
915		1211
916	cf::attachable->attach (	1212	cf::attachable->attach (
917	prio => -1000000,	1213	prio => -1000000,
918	on_instantiate => sub {	1214	on_instantiate => sub {
919	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
920		1216
921	$data = from_json $data;	1217	$data = decode_json $data;
922		1218
923	for (@$data) {	1219	for (@$data) {
924	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
925		1221
926	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1238	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
944		1240
945	sync_job {	1241	sync_job {
946	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
949		1247
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
954	close $fh;	1255	aio_close $fh;
955		1256
956	if (@$objs) {	1257	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
962	close $fh;	1266	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
964	}	1268	}
965	} else {	1269	} else {
966	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
967	}	1271	}
968		1272
969	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1277	} else {
971	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
972	}	1279	}
973	} else {	1280	} else {
974	aio_unlink $filename;	1281	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
976	}	1283	}
977	}	1284	};
978	}	1285	}
979		1286
980	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
982		1289
…		…
994	or return;	1301	or return;
995		1302
996	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
998	or return;	1305	or return;
		1306
999	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1000	}	1309	}
1001		1310
		1311	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1004	return ($data, $av);	1316	($data, $av)
1005	}	1317	}
1006		1318
1007	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1008		1320
1009	=over 4	1321	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1342	}
1031		1343
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1345
1034	Register a callback fro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
1035		1351
1036	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
1037	called.	1353	called.
1038		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
1039	=cut	1366	=cut
1040		1367
1041	sub register_extcmd {	1368	sub register_extcmd {
1042	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
1043		1370
1044	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
1045	}	1372	}
1046		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
1047	cf::player->attach (	1382	cf::player->attach (
1048	on_command => sub {	1383	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1050		1385
1051	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1052	or return;	1387	or return;
1053		1388
…		…
1058	cf::override;	1393	cf::override;
1059	},	1394	},
1060	on_extcmd => sub {	1395	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1062		1397
1063	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1399
1065	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1071	} else {	1415	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1417	}
1074		1418
1075	cf::override;	1419	cf::override;
1076	},	1420	},
1077	);	1421	);
1078		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1079	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1080	cf::sync_job {	1439	cf::sync_job {
1081	my %todo;	1440	my %todo;
1082		1441
1083	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1443	next unless -r $path;
…		…
1102		1461
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1464
1106	$ext{source} =	1465	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1109	. $source	1468	. $source
1110	. "\n};\n1";	1469	. "\n};\n1";
1111		1470
1112	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1113	}	1472	}
1114		1473
		1474	my $pass = 0;
1115	my %done;	1475	my %done;
1116	while (%todo) {	1476	while (%todo) {
1117	my $progress;	1477	my $progress;
1118		1478
		1479	++$pass;
		1480
		1481	ext:
1119	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1484	next ext
1122	unless exists $done{$_};	1485	unless exists $done{$_};
1123	}	1486	}
1124		1487
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1489
1127	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1132	warn $msg;	1497
1133	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1499	delete $todo{$k};
1135	}	1500	} else {
1136		1501	$done{$k} = delete $todo{$k};
1137	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1138	}	1507	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1508	}
1144		1509
1145	skip:	1510	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1148	}	1518	}
1149	};	1519	};
1150	}	1520	}
1151		1521
1152	#############################################################################	1522	#############################################################################
1153		1523
1154	=back	1524	=back
1155		1525
1156	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1157		1527
1158	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1159		1529
1160	=cut	1530	=cut
1161		1531
1162	package cf::player;	1532	package cf::player;
1163		1533
1164	use Coro::AIO;	1534	use Coro::AIO;
1165		1535
1166	=head3 cf::player	1536	=head3 cf::player
1167		1537
1168	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1169		1553
1170	=item cf::player::find $login	1554	=item cf::player::find $login
1171		1555
1172	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1173		1557
…		…
1192		1576
1193	sub exists($) {	1577	sub exists($) {
1194	my ($login) = @_;	1578	my ($login) = @_;
1195		1579
1196	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1198	}	1582	}
1199		1583
1200	sub find($) {	1584	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1586	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1597
1214	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1217	}	1607	}
1218	}	1608	}
1219	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1220		1623
1221	sub save($) {	1624	sub save($) {
1222	my ($pl) = @_;	1625	my ($pl) = @_;
1223		1626
1224	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1230		1633
1231	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1233		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1234	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1235	Coro::cede;	1643	cf::cede_to_tick;
1236	}	1644	}
1237		1645
1238	sub new($) {	1646	sub new($) {
1239	my ($login) = @_;	1647	my ($login) = @_;
1240		1648
…		…
1246	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1247		1655
1248	$self	1656	$self
1249	}	1657	}
1250		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1251	=item $pl->quit_character	1669	=item $pl->quit_character
1252		1670
1253	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1255		1673
…		…
1259	my ($pl) = @_;	1677	my ($pl) = @_;
1260		1678
1261	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1262		1680
1263	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1683
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1269	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1270		1692
1271	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1308	or return [];	1730	or return [];
1309		1731
1310	my @logins;	1732	my @logins;
1311		1733
1312	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1316		1744
1317	utf8::decode $login;	1745	utf8::decode $login;
1318	push @logins, $login;	1746	push @logins, $login;
1319	}	1747	}
1320		1748
1321	\@logins	1749	\@logins
1322	}	1750	}
1323		1751
1324	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1325		1755
1326	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1327	player. May block.	1757	player. May block.
1328		1758
1329	=cut	1759	=cut
…		…
1347	}	1777	}
1348		1778
1349	\@paths	1779	\@paths
1350	}	1780	}
1351		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1352	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1353		1787
1354	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1355		1789
1356	=cut	1790	=cut
1357		1791
1358	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1360		1794
1361	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1796	}
1365		1797
1366	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1367		1799
1368	Sends an ext event to the client.	1800	Sends an ext event to the client.
1369		1801
1370	=cut	1802	=cut
1371		1803
1372	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1374		1806
1375	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1376	}	1808	}
1377		1809
1378	=head3 cf::region	1810	=head3 cf::region
1379		1811
1380	=over 4	1812	=over 4
…		…
1390	=cut	1822	=cut
1391		1823
1392	sub find_by_path($) {	1824	sub find_by_path($) {
1393	my ($path) = @_;	1825	my ($path) = @_;
1394		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1395	my ($match, $specificity);	1829	my ($match, $specificity);
1396		1830
1397	for my $region (list) {	1831	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1401	}	1835	}
1402	}	1836	}
1403		1837
…		…
1424	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1426		1860
1427	sub generate_random_map {	1861	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1429	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1867	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1452		1889
1453	sub register {	1890	sub register {
1454	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1892	my $pkg = caller;
1456		1893
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1895
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1897	}
1462		1898
1463	# also paths starting with '/'	1899	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1901
1466	sub thawer_merge {	1902	sub thawer_merge {
1467	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1468		1904
1469	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1474	}	1910	}
1475		1911
1476	sub normalise {	1912	sub normalise {
1477	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1478		1914
1479	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1480		1916
1481	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1482		1918
1483	# map plan:	1919	# map plan:
1484	#	1920	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1936	$path = "$base/$path";
1501	}	1937	}
1502		1938
1503	for ($path) {	1939	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1507	}	1942	}
1508		1943
1509	$path	1944	$path
…		…
1523	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1524	return $self;	1959	return $self;
1525	}	1960	}
1526	}	1961	}
1527		1962
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1964	()
1530	}	1965	}
1531		1966
1532	sub init {	1967	sub init {
1533	my ($self) = @_;	1968	my ($self) = @_;
…		…
1555		1990
1556	# the temporary/swap location	1991	# the temporary/swap location
1557	sub save_path {	1992	sub save_path {
1558	my ($self) = @_;	1993	my ($self) = @_;
1559		1994
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1996	"$TMPDIR/$path.map"
1562	}	1997	}
1563		1998
1564	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1565	sub uniq_path {	2000	sub uniq_path {
1566	my ($self) = @_;	2001	my ($self) = @_;
1567		2002
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2004	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2005	}
1580		2006
1581	sub decay_objects {	2007	sub decay_objects {
1582	my ($self) = @_;	2008	my ($self) = @_;
1583		2009
…		…
1596		2022
1597	sub load_header_from($) {	2023	sub load_header_from($) {
1598	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1599		2025
1600	utf8::encode $path;	2026	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1606		2035
1607	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1608		2037
1609	1	2038	1
1610	}	2039	}
…		…
1662		2091
1663	sub find;	2092	sub find;
1664	sub find {	2093	sub find {
1665	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1666		2095
		2096	cf::cede_to_tick;
		2097
1667	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1668		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2102
1671	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1674	or return;	2105	or return;
1675		2106
1676	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1677		2108
…		…
1679	or return;	2110	or return;
1680		2111
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1684	$map->reset;	2117	$map->reset;
1685	undef $guard;
1686	return find $path;	2118	return find $path;
1687	}	2119	}
1688		2120
1689	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1690	}	2122	}
1691	}	2123	}
1692		2124
1693	sub pre_load { }	2125	sub pre_load { }
1694	sub post_load { }	2126	#sub post_load { } # XS
1695		2127
1696	sub load {	2128	sub load {
1697	my ($self) = @_;	2129	my ($self) = @_;
1698		2130
1699	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1700		2132
1701	my $path = $self->{path};	2133	my $path = $self->{path};
1702		2134
1703	{	2135	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1705		2137
		2138	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2140
1708	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1709		2142
1710	$self->alloc;	2143	$self->alloc;
1711		2144
1712	$self->pre_load;	2145	$self->pre_load;
1713	Coro::cede;	2146	cf::cede_to_tick;
1714		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2150	$self->_load_objects ($f)
1716	or return;	2151	or return;
1717		2152
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1719	if delete $self->{load_original};	2154	if delete $self->{load_original};
1720		2155
1721	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2157	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2160	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1726	}	2164	}
1727	}	2165	}
1728		2166
1729	Coro::cede;	2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1730	# now do the right thing for maps	2170	# now do the right thing for maps
1731	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2173	unless $self->difficulty;
1734	Coro::cede;	2174	cf::cede_to_tick;
1735		2175
1736	unless ($self->{deny_activate}) {	2176	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2177	$self->decay_objects;
1738	$self->fix_auto_apply;	2178	$self->fix_auto_apply;
1739	$self->update_buttons;	2179	$self->update_buttons;
1740	Coro::cede;	2180	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2181	$self->activate;
1744	}	2182	}
1745		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2188	}
1748		2189
1749	$self->post_load;	2190	$self->post_load;
1750	}	2191	}
1751		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2196	sub customise_for {
1753	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1754		2198
1755	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2200	if $self->per_player;
…		…
1760		2204
1761	$self	2205	$self
1762	}	2206	}
1763		2207
1764	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2209	sub load_neighbours {
1766	my ($map) = @_;	2210	my ($map) = @_;
1767		2211
1768	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1769		2213
1770	for (0 .. 3) {	2214	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1772	or next;	2216	or next;
1773	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1774	or next;	2218	or next;
1775	$neigh->load;	2219	$neigh->load;
1776		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2225	}
1780		2226
1781	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1783	or next;	2230	or next;
1784	$neigh->load;	2231	$neigh->load;
1785	}	2232	}
1786	}	2233	}
1787		2234
1788	sub find_sync {	2235	sub find_sync {
1789	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1790		2237
1791	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1792	}	2242	}
1793		2243
1794	sub do_load_sync {	2244	sub do_load_sync {
1795	my ($map) = @_;	2245	my ($map) = @_;
1796		2246
1797	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1798	}	2251	}
1799		2252
1800	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1802		2255
1803	sub find_async {	2256	sub find_async {
1804	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1805		2258
1806	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1807		2260
1808	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2263	}
1811		2264
1812	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1813	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1814	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2272	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2273	$map->load if $v;
		2274	}
1819		2275
1820	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1821	}	2277	}
1822	}	2278	}
1823	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1824	};	2280	};
1825	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1826		2282
1827	()	2283	()
1828	}	2284	}
1829		2285
		2286	# common code, used by both ->save and ->swapout
1830	sub save {	2287	sub _save {
1831	my ($self) = @_;	2288	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2289
1835	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1836		2291
1837	return unless $self->dirty;	2292	return unless $self->dirty;
1838		2293
…		…
1844	return if $self->{deny_save};	2299	return if $self->{deny_save};
1845		2300
1846	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1847		2302
1848	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1850	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1851		2309
1852	if ($uniq) {	2310	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2313	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2315	}
1858	}	2316	}
1859		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1860	sub swap_out {	2326	sub swap_out {
1861	my ($self) = @_;	2327	my ($self) = @_;
1862		2328
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1868	return if $self->players;	2333	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1872	$self->clear;	2344	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2345	}
1875		2346
1876	sub reset_at {	2347	sub reset_at {
1877	my ($self) = @_;	2348	my ($self) = @_;
1878		2349
…		…
1896		2367
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2369
1899	return if $self->players;	2370	return if $self->players;
1900		2371
1901	warn "resetting map ", $self->path;	2372	cf::trace "resetting map ", $self->path, "\n";
1902		2373
1903	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1904		2375
1905	# need to save uniques path	2376	# need to save uniques path
1906	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2381	if $uniq;
1911	}	2382	}
1912		2383
1913	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1914		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2388	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2389
1919	$self->unlink_save;	2390	$self->unlink_save;
1920	$self->destroy;	2391	$self->destroy;
1921	}	2392	}
1922		2393
1923	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1924		2395
1925	sub nuke {	2396	sub nuke {
1926	my ($self) = @_;	2397	my ($self) = @_;
1927		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1928	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1929		2403
1930	$self->unlink_save;	2404	$self->unlink_save;
1931		2405
1932	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2411
1938	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1939		2414
1940	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
1941	}	2416	}
1942		2417
1943	=item $maps = cf::map::tmp_maps	2418	=item $maps = cf::map::tmp_maps
…		…
1985		2460
1986	sub unique_maps() {	2461	sub unique_maps() {
1987	[	2462	[
1988	map {	2463	map {
1989	utf8::decode $_;	2464	utf8::decode $_;
1990	/\.map$/	2465	s/\.map$//; # TODO future compatibility hack
		2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2467	? ()
1991	? normalise $_	2468	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2469	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2470	]
1995	}	2471	}
1996		2472
1997	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1998		2504
1999	=back	2505	=back
2000		2506
2001	=head3 cf::object	2507	=head3 cf::object
2002		2508
…		…
2006		2512
2007	=over 4	2513	=over 4
2008		2514
2009	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
2010		2516
2011	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
2012		2519
2013	=cut	2520	=cut
2014		2521
2015	sub inv_recursive_;	2522	sub inv_recursive_;
2016	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
2019		2526
2020	sub inv_recursive {	2527	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
2022	}	2529	}
2023		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
2024	package cf;	2559	package cf;
2025		2560
2026	=back	2561	=back
2027		2562
2028	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
2037		2572
2038	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
2039		2588
2040	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2590	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
2050		2599
2051	} else {	2600	} else {
2052	my $pl = $self->contr;	2601	my $pl = $self->contr;
2053		2602
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2604	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2606
2060	} else {	2607	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2610	}
2064	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
2065	}	2622	}
2066		2623
2067	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
2068		2625
2069	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
2082		2639
2083	=item $player_object->enter_link	2640	=item $player_object->enter_link
2084		2641
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2643
2087	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
2089		2648
2090	Will never block.	2649	Will never block.
2091		2650
2092	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
2093		2652
…		…
2113	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2673	my ($self) = @_;
2115		2674
2116	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
2117		2676
		2677	++$self->{_link_recursion};
		2678
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2680
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2682	if $self->map && $self->map->{path} ne "{link}";
2122		2683
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2685	}
2125		2686
2126	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
2128		2689
…		…
2145	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
2147		2708
2148	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
2151		2712
2152	$map->load;	2713	$map->load;
2153	$map->load_diag;	2714	$map->load_neighbours;
2154		2715
2155	return unless $self->contr->active;	2716	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2717
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
2160	}	2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
		2723	$self->activate_recursive;
		2724	}
2161		2725
		2726	}
		2727
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2729
2164	Moves the player to the given map-path and coordinates by first freezing	2730	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2731	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2732	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
2168		2738
2169	=cut	2739	=cut
2170		2740
2171	our $GOTOGEN;	2741	our $GOTOGEN;
2172		2742
2173	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
2175		2751
2176	# do generation counting so two concurrent goto's will be executed in-order	2752	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2754
2179	$self->enter_link;	2755	$self->enter_link;
2180		2756
2181	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
2182	my $map = eval {	2779	my $map = eval {
2183	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
2184		2781
2185	if ($map) {	2782	if ($map) {
2186	$map = $map->customise_for ($self);	2783	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2784	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2785	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2787	}
2191		2788
2192	$map	2789	$map
2193	};	2790	};
2194		2791
…		…
2199		2796
2200	if ($gen == $self->{_goto_generation}) {	2797	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2798	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
2203	}	2800	}
		2801
		2802	$done->($self) if $done;
2204	})->prio (1);	2803	})->prio (1);
2205	}	2804	}
2206		2805
2207	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
2208		2807
…		…
2228	}	2827	}
2229		2828
2230	sub prepare_random_map {	2829	sub prepare_random_map {
2231	my ($exit) = @_;	2830	my ($exit) = @_;
2232		2831
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2834	# that depends on the exit object
2238		2835
2239	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2838	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
2246	}	2845	}
2247		2846
2248	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
2249		2848
2250	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
2253		2852
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2855	undef $fh;
2257	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
2258		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
2261	}	2864	}
2262	}	2865	}
2263		2866
2264	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
2266		2869
2267	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
2268		2871
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2872	$self->enter_link;
2281		2873
2282	(async {	2874	(async {
2283	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
2284	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
2285	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
2286		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
2287	1;	2898	1
2288	}) {	2899	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2904
2294	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2906	$self->leave_link;
2296	}	2907	}
2297	})->prio (1);	2908	})->prio (1);
2298	}	2909	}
2299		2910
…		…
2313		2924
2314	utf8::encode $text;	2925	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2927	}
2317		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
2318	=item $client->ext_event ($type, %msg)	3116	=item $client->ext_msg ($type, @msg)
2319		3117
2320	Sends an exti event to the client.	3118	Sends an ext event to the client.
2321		3119
2322	=cut	3120	=cut
2323		3121
2324	sub cf::client::ext_event($$%) {	3122	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3123	my ($self, $type, @msg) = @_;
2326		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3128	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
2329	}	3149	}
2330		3150
2331	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
2332		3152
2333	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3156
2337	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3158	become reliable at some point in the future.
2339		3159
2340	=cut	3160	=cut
2341		3161
2342	sub cf::client::query {	3162	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3171	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3173
2354	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2356	}	3178	}
2357		3179
2358	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2359	on_reply => sub {	3186	on_reply => sub {
2360	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2361		3188
2362	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2363	# get handled first	3190	# get handled first
…		…
2375	} else {	3202	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3204	}
2378	}	3205	}
2379	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2380	);	3233	);
2381		3234
2382	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2383		3236
2384	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3253
2401	$coro	3254	$coro
2402	}	3255	}
2403		3256
2404	cf::client->attach (	3257	cf::client->attach (
2405	on_destroy => sub {	3258	on_client_destroy => sub {
2406	my ($ns) = @_;	3259	my ($ns) = @_;
2407		3260
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3262	},
2410	);	3263	);
…		…
2425	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2427		3280
2428	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2429		3282
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2431		3288
2432	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2433		3290
2434	=pod	3291	=pod
2435		3292
2436	The following functions and methods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2437		3294
2438	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2439	cf::object::player player	3300	cf::object::player
2440	cf::player peaceful	3301	player
2441	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2442		3308
2443	=cut	3309	=cut
2444		3310
2445	for (	3311	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2450	) {	3318	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3321	for @funs;
2455	}	3322	}
2456		3323
…		…
2471		3338
2472	my $qcode = $code;	3339	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2475		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2476	local $_;	3346	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3347
2479	my $eval =	3348	my $eval =
2480	"do {\n"	3349	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3352	. $code
2484	. "\n}"	3353	. "\n}"
2485	;	3354	;
2486		3355
		3356	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2490		3365
2491	if ($@) {	3366	if ($@) {
2492	warn "$@";	3367	warn "$@",
2493	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2495	}	3370	}
2496		3371
2497	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2498	}	3373	}
2499		3374
…		…
2513	=cut	3388	=cut
2514		3389
2515	sub register_script_function {	3390	sub register_script_function {
2516	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2517		3392
2518	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2520	}	3395	}
2521		3396
2522	=back	3397	=back
2523		3398
2524	=cut	3399	=cut
…		…
2527	# the server's init and main functions	3402	# the server's init and main functions
2528		3403
2529	sub load_facedata($) {	3404	sub load_facedata($) {
2530	my ($path) = @_;	3405	my ($path) = @_;
2531		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2532	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2533		3414
2534	my $facedata;
2535	0 < aio_load $path, $facedata	3415	0 < aio_load $path, my $facedata
2536	or die "$path: $!";	3416	or die "$path: $!";
2537		3417
2538	$facedata = Coro::Storable::thaw $facedata;	3418	$facedata = Coro::Storable::thaw $facedata;
2539		3419
2540	$facedata->{version} == 2	3420	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
2543	{	3432	{
2544	my $faces = $facedata->{faceinfo};	3433	my $faces = $facedata->{faceinfo};
2545		3434
2546	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3437
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3442
		3443	cf::cede_to_tick;
2552	}	3444	}
2553		3445
2554	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2556	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
2557	or next;	3450	or next;
		3451
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3455	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3456	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3457	}
2563	Coro::cede;	3458
		3459	cf::cede_to_tick;
2564	}	3460	}
2565	}	3461	}
2566		3462
2567	{	3463	{
2568	my $anims = $facedata->{animinfo};	3464	my $anims = $facedata->{animinfo};
2569		3465
2570	while (my ($anim, $info) = each %$anims) {	3466	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3468	cf::cede_to_tick;
2573	}	3469	}
2574		3470
2575	cf::anim::invalidate_all; # d'oh	3471	cf::anim::invalidate_all; # d'oh
2576	}	3472	}
2577		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
2578	1	3493	1
2579	}	3494	}
2580		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
2581	sub reload_regions {	3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
2582	load_resource_file "$MAPDIR/regions"	3519	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
2584	}	3526	}
2585		3527
2586	sub reload_facedata {	3528	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3529	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3530	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3538	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3539	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3540	or die "unable to load treasurelists\n";
2599	}	3541	}
2600		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
2601	sub reload_resources {	3566	sub reload_resources {
2602	warn "reloading resource files...\n";	3567	trace "reloading resource files...\n";
2603		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2604	reload_regions;	3574	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3575	reload_treasures;
2609		3576
2610	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2611	}	3578	}
2612		3579
2613	sub init {	3580	sub reload_config {
2614	reload_resources;	3581	trace "reloading config file...\n";
2615	}
2616		3582
2617	sub cfg_load {	3583	0 < aio_load "$CONFDIR/config", my $config
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3584	or die "$CONFDIR/config: $!";
2619	or return;
2620		3585
2621	local $/;	3586	utf8::decode $config;
2622	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = yaml_load $config;
2623		3588
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3590
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3593
2629	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2633	};	3598	};
2634	warn $@ if $@;	3599	warn $@ if $@;
2635	}	3600	}
2636	}	3601	}
2637		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2638	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2639	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3644	(async {
2643	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2645	};	3648	};
2646		3649
2647	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2648	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2649	load_extensions;	3673	load_extensions;
2650		3674
2651	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2653	}	3693	}
2654		3694
2655	#############################################################################	3695	#############################################################################
2656	# initialisation and cleanup	3696	# initialisation and cleanup
2657		3697
2658	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2659	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2668	},
2669	);	3704	};
2670	}	3705	}
2671	}	3706	}
2672		3707
2673	sub write_runtime {	3708	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3709	my $t0 = AE::time;
2675		3710
2676	# first touch the runtime file to show we are still running:	3711	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3712	# the fsync below can take a very very long time.
2678		3713
2679	IO::AIO::aio_utime $runtime, undef, undef;	3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3715
2681	my $guard = cf::lock_acquire "write_runtime";	3716	my $guard = cf::lock_acquire "write_runtime";
2682		3717
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3719	or return;
2685		3720
2686	my $value = $cf::RUNTIME + 90 + 10;	3721	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3722	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3723	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3733	aio_utime $fh, undef, undef;
2699		3734
2700	close $fh	3735	close $fh
2701	or return;	3736	or return;
2702		3737
2703	aio_rename "$runtime~", $runtime	3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3739	and return;
2705		3740
2706	warn "runtime file written.\n";	3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3742
2708	1	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2709	}	3794	}
2710		3795
2711	sub emergency_save() {	3796	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2713		3798
2714	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2715		3805
2716	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2717	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3817	$pl->save;
2725	}	3818	}
2726	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2727		3820
2728	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3826	$map->valid or next;
2732	$map->save;	3827	$map->save;
2733	}	3828	}
2734	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2735		3830
2736	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3859	};
2740		3860
2741	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2742	}	3862	}
2743		3863
2744	sub post_cleanup {	3864	sub post_cleanup {
2745	my ($make_core) = @_;	3865	my ($make_core) = @_;
2746		3866
		3867	IO::AIO::flush;
		3868
2747	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
2749	}	3899	}
2750		3900
2751	sub do_reload_perl() {	3901	sub do_reload_perl() {
2752	# can/must only be called in main	3902	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2754	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2755	return;	3905	return;
2756	}	3906	}
2757		3907
2758	warn "reloading...";	3908	return if $RELOAD++;
2759		3909
2760	warn "entering sync_job";	3910	my $t1 = AE::time;
2761		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2762	cf::sync_job {	3918	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3919	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3920
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3923	%EXT_CORO = ();
2791		3924
2792	warn "removing commands";	3925	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3926	%COMMAND = ();
2794		3927
2795	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2797		3931
2798	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2801		3935
2802	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3937	eval {
2804	$cb->($pkg);	3938	$cb->($pkg);
2805	1	3939	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2807	}	3945	}
2808		3946
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3950
2817	warn "... unloading $k";	3951	trace "... unloading $k";
2818	delete $INC{$k};	3952	delete $INC{$k};
2819		3953
2820	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2822		3956
2823	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2825	}	3962	}
2826		3963
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3967
2834	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3971
2838	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3973	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2841		3975
2842	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2843		3977
2844	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2845	require cf;	3979	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2847		3981
2848	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	3983	cf::reload_config;
2850		3984
2851	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	3986	cf::load_extensions;
2853		3987
		3988	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2860		3996
2861	warn "leaving sync_job";	3997	cf::_post_init 1;
2862		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
2863	1	4001	1
2864	} or do {	4002	} or do {
2865	warn $@;	4003	error $@;
2866	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4005	};
		4006
		4007	--$RELOAD;
2868	};	4008	}
2869		4009
2870	warn "reloaded";	4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
2871	};	4012	};
2872		4013
2873	our $RELOAD_WATCHER; # used only during reload	4014	our $RELOAD_WATCHER; # used only during reload
2874		4015
2875	sub reload_perl() {	4016	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4017	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4018	# coro crashes during coro_state_free->destroy here.
2878		4019
2879	$RELOAD_WATCHER ||= Event->timer (	4020	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4021	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4022
2882	data => WF_AUTOCANCEL,	4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4024	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4025	undef $RELOAD_WATCHER;
2886	},	4026	};
2887	);	4027	};
2888	}	4028	}
2889		4029
2890	register_command "reload" => sub {	4030	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2892		4032
2893	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4037	reload_perl;
		4038	};
2896	}	4039	}
2897	};	4040	};
2898		4041
2899	unshift @INC, $LIBDIR;	4042	#############################################################################
2900		4043
2901	my $bug_warning = 0;	4044	my $bug_warning = 0;
2902		4045
2903	our @WAIT_FOR_TICK;	4046	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4047	our @WAIT_FOR_TICK_BEGIN;
2905		4048
2906	sub wait_for_tick {	4049	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4051
2910	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4053	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4054	$signal->wait;
2913	}	4055	}
2914		4056
2915	sub wait_for_tick_begin {	4057	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4059
2919	my $signal = new Coro::Signal;	4060	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4061	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4062	$signal->wait;
2922	}	4063	}
2923		4064
2924	my $min = 1e6;#d#	4065	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2936	return;	4069	return;
2937	}	4070	}
2938		4071
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2942		4073
2943	0 && sync_job {#d#	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		4075
2949	$map->width (50);	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4078	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4079	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4080	write_runtime_sync
2954		4081	or error "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4082	};
		4083	}
2965		4084
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4086	$sig->send;
2982	}	4087	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4088	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4089	$sig->send;
2985	}	4090	}
2986		4091
2987	$NOW = Event::time;	4092	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4094
2998	_post_tick;	4095	if (0) {
2999		4096	if ($NEXT_TICK) {
3000		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
3001	},	4101	}
3002	);	4102	}
3003		4103
3004	{	4104	{
3005	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4106
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
3015		4108	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4110
3031	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4118
3034	cf::sync_job {	4119	cf::sync_job {
3035	eval {	4120	eval {
3036	BDB::db_env_open	4121	BDB::db_env_open
3037	$DB_ENV,	4122	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4126	0666;
3042		4127
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4129	};
3048		4130
3049	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4132	};
3051	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
3052	}	4144	}
3053		4145
3054	{	4146	{
		4147	# configure IO::AIO
		4148
3055	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4152	}
3068		4153
3069	my $_log_backtrace;	4154	our $_log_backtrace;
		4155	our $_log_backtrace_last;
3070		4156
3071	sub _log_backtrace {	4157	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4158	my ($msg, @addr) = @_;
3073		4159
3074	$msg =~ s/\n//;	4160	$msg =~ s/\n$//;
3075		4161
		4162	if ($_log_backtrace_last eq $msg) {
		4163	LOG llevInfo, "[ABT] $msg\n";
		4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
3079	async {	4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
3080	my @bt = fork_call {	4173	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4174	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4177	or die "addr2line: $!";
…		…
3092	}	4185	}
3093		4186
3094	@funcs	4187	@funcs
3095	};	4188	};
3096		4189
3097	LOG llevInfo, "[ABT] $msg\n";	4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4192	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4193	--$_log_backtrace;
3100	};	4194	};
3101	} else {	4195	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4196	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4198	}
3105	}	4199	}
3106		4200
3107	# load additional modules	4201	# load additional modules
3108	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
3109		4204
3110	END { cf::emergency_save }	4205	END { cf::emergency_save }
3111		4206
3112	1	4207	1
3113		4208

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