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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 1.559 by root, Sat Feb 26 12:50:27 2011 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;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	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	240	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.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	305	for my $pkg (qw(
198	cf::global cf::attachable	306	cf::global cf::attachable
199	cf::object cf::object::player	307	cf::object cf::object::player
200	cf::client cf::player	308	cf::client cf::player
201	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
202	cf::map cf::party cf::region	311	cf::party cf::region
203	)) {	312	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	314	}
207		315
208	$Event::DIED = sub {	316	$EV::DIED = sub {
209	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
210	};	318	};
211		319
212	#############################################################################	320	#############################################################################
213		321
214	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	345	$d
238	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
239	}	347	}
240		348
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
244		350
245	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
246		352
247	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
248		354
249	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
250		356
		357	=cut
		358
		359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		360
		361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
		405	}
		406
251	=item cf::lock_wait $string	407	=item cf::lock_wait $string
252		408
253	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
254		410
255	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
256		412
257	Wait until the given lock is available and then acquires it and returns	413	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,	414	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	415	for example when the coroutine gets canceled), the lock is automatically
260	returned.	416	returned.
261		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
262	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
264		423
265	=item $locked = cf::lock_active $string	424	=item $locked = cf::lock_active $string
266		425
267	Return true if the lock is currently active, i.e. somebody has locked it.	426	Return true if the lock is currently active, i.e. somebody has locked it.
268		427
269	=cut	428	=cut
270		429
271	our %LOCK;	430	our $LOCKS = new Coro::SemaphoreSet;
272		431
273	sub lock_wait($) {	432	sub lock_wait($) {
274	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	434	}
282		435
283	sub lock_acquire($) {	436	sub lock_acquire($) {
284	my ($key) = @_;	437	$LOCKS->guard ($_[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	}	438	}
296		439
297	sub lock_active($) {	440	sub lock_active($) {
298	my ($key) = @_;	441	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	442	}
302		443
303	sub freeze_mainloop {	444	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
305		446
306	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	448	}
		449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
308	};	514	}
309	$TICK_WATCHER->stop;	515	};
310	$guard	516
		517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
311	}	530	}
312		531
313	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
314		533
315	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		539
321	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
322		541
323	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
324		543
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	544	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	545	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	547	acceptable.
329		548
330	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	554	=cut
336		555
337	sub sync_job(&) {	556	sub sync_job(&) {
338	my ($job) = @_;	557	my ($job) = @_;
339		558
340	if ($Coro::current == $Coro::main) {	559	if (in_main) {
341	my $time = Event::time;	560	my $time = AE::time;
342		561
343	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
345		564
346	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	566
348	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
349		568
350	my $busy = 1;	569	my $busy = 1;
351	my @res;	570	my @res;
352		571
353	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	574	@res = eval { $job->() };
355	warn $@ if $@;	575	error $@ if $@;
356	undef $busy;	576	undef $busy;
357	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
358		578
359	while ($busy) {	579	while ($busy) {
360	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
361	}	584	}
		585	}
362		586
363	$time = Event::time - $time;	587	my $time = AE::time - $time;
364		588
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	589	$TICK_START += $time; # do not account sync jobs to server load
369		590
370	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
371	} else {	592	} else {
372	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
373		594
…		…
393	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
394		615
395	$coro	616	$coro
396	}	617	}
397		618
398	=item fork_call { }, $args	619	=item fork_call { }, @args
399		620
400	Executes the given code block with the given arguments in a seperate	621	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	622	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	623	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	624	never block itself or use any form of event handling.
404		625
405	=cut	626	=cut
		627
		628	sub post_fork {
		629	reset_signals;
		630	}
406		631
407	sub fork_call(&@) {	632	sub fork_call(&@) {
408	my ($cb, @args) = @_;	633	my ($cb, @args) = @_;
409		634
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	635	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	636	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	637	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		638
415	if (my $pid = fork) {	639	my @res = Coro::Util::fork_eval {
416	close $fh2;	640	cf::post_fork;
		641	&$cb
		642	} @args;
417		643
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	644	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	645	}
420		646
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	647	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	}	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
440	}	683	}
441		684
442	=item $value = cf::db_get $family => $key	685	=item $value = cf::db_get $family => $key
443		686
444	Returns a single value from the environment database.	687	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	689	=item cf::db_put $family => $key => $value
447		690
448	Stores the given C<$value> in the family. It can currently store binary	691	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).	692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
451	=cut	699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
452		720
453	our $DB;	721	our $DB;
454		722
455	sub db_init {	723	sub db_init {
456	unless ($DB) {	724	$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	}	725	}
471		726
472	sub db_get($$) {	727	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	728	my $key = "$_[0]/$_[1]";
474		729
475	cf::sync_job {	730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
476	BDB::db_get $DB, undef, $key, my $data;	733	BDB::db_get $DB, undef, $key, my $data;
477		734
478	$! ? ()	735	$! ? ()
479	: $data	736	: $data
480	}
481	}	737	}
482		738
483	sub db_put($$$) {	739	sub db_put($$$) {
484	BDB::dbreq_pri 4;	740	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	780	if (1) {
525	$md5 =	781	$md5 =
526	join "\x00",	782	join "\x00",
527	$processversion,	783	$processversion,
528	map {	784	map {
529	Coro::cede;	785	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	786	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	787	} 0.. $#$src;
532		788
533		789
534	my $dbmd5 = db_get cache => "$id/md5";	790	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		797
542	my $t1 = Time::HiRes::time;	798	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	799	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	800	my $t2 = Time::HiRes::time;
545		801
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		803
548	db_put cache => "$id/data", $data;	804	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	805	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	806	db_put cache => "$id/meta", $meta;
551		807
…		…
561		817
562	=cut	818	=cut
563		819
564	sub datalog($@) {	820	sub datalog($@) {
565	my ($type, %kv) = @_;	821	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	823	}
568		824
569	=back	825	=back
570		826
571	=cut	827	=cut
572		828
573	#############################################################################	829	#############################################################################
574		830
575	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
576		832
577	Many objects in crossfire are so-called attachable objects. That means you can	833	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")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
580		836
581	In the following description, CLASS can be any of C<global>, C<object>	837	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	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	839	Deliantra).
584		840
585	=over 4	841	=over 4
586		842
587	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
588		844
…		…
632	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
633		889
634	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
636		892
637	Some classes such as crossfire maps and objects can specify attachments	893	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.	894	that are attached at load/instantiate time, thus the need for a name.
639		895
640	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
641		897
642	=over 4	898	=over 4
…		…
766		1022
767	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1025
770	} elsif (ref $type) {	1026	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
772		1028
773	} else {	1029	} else {
774	shift @arg;	1030	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
776	}	1032	}
777	}	1033	}
778	}	1034	}
779		1035
780	sub _object_attach {	1036	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
791	}	1047	}
792		1048
793	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
794	} else {	1050	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1052	}
797		1053
798	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
799	}	1055	}
800		1056
…		…
840	";	1096	";
841	die if $@;	1097	die if $@;
842	}	1098	}
843		1099
844	our $override;	1100	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1102
847	sub override {	1103	sub override {
848	$override = 1;	1104	$override = 1;
849	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
850	}	1106	}
851		1107
852	sub do_invoke {	1108	sub do_invoke {
853	my $event = shift;	1109	my $event = shift;
854	my $callbacks = shift;	1110	my $callbacks = shift;
855		1111
856	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
857		1113
858	local $override;	1114	local $override;
859		1115
860	for (@$callbacks) {	1116	for (@$callbacks) {
861	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
862		1118
863	if ($@) {	1119	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1121	override;
867	}	1122	}
868		1123
869	return 1 if $override;	1124	return 1 if $override;
870	}	1125	}
871		1126
872	0	1127	0
873	}	1128	}
874		1129
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1131
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1133
879	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
880		1135
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	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	1137	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1139
885	=back	1140	=back
886		1141
887	=cut	1142	=cut
888		1143
889	#############################################################################	1144	#############################################################################
890	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
891		1188
892	sub reattach {	1189	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1191	my ($obj) = @_;
895		1192
		1193	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1195
898	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
899		1197
900	@$registry = ();	1198	@$registry = ();
901		1199
…		…
906	for (@$attach) {	1204	for (@$attach) {
907	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
909	}	1207	}
910	} else {	1208	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1210	}
913	}	1211	}
914	}	1212	}
915		1213
916	cf::attachable->attach (	1214	cf::attachable->attach (
917	prio => -1000000,	1215	prio => -1000000,
918	on_instantiate => sub {	1216	on_instantiate => sub {
919	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
920		1218
921	$data = from_json $data;	1219	$data = decode_json $data;
922		1220
923	for (@$data) {	1221	for (@$data) {
924	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
925		1223
926	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1240	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
944		1242
945	sync_job {	1243	sync_job {
946	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
949		1249
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
954	close $fh;	1257	aio_close $fh;
955		1258
956	if (@$objs) {	1259	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
962	close $fh;	1268	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
964	}	1270	}
965	} else {	1271	} else {
966	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
967	}	1273	}
968		1274
969	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1279	} else {
971	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
972	}	1281	}
973	} else {	1282	} else {
974	aio_unlink $filename;	1283	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
976	}	1285	}
977	}	1286	};
978	}	1287	}
979		1288
980	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
982		1291
…		…
994	or return;	1303	or return;
995		1304
996	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
998	or return;	1307	or return;
		1308
999	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
1000	}	1311	}
1001		1312
		1313	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
1004	return ($data, $av);	1318	($data, $av)
1005	}	1319	}
1006		1320
1007	=head2 COMMAND CALLBACKS	1321	=head2 COMMAND CALLBACKS
1008		1322
1009	=over 4	1323	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1344	}
1031		1345
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1347
1034	Register a callback fro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
1035		1353
1036	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
1037	called.	1355	called.
1038		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
1039	=cut	1368	=cut
1040		1369
1041	sub register_extcmd {	1370	sub register_extcmd {
1042	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
1043		1372
1044	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
1045	}	1374	}
1046		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
1047	cf::player->attach (	1384	cf::player->attach (
1048	on_command => sub {	1385	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
1050		1387
1051	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
1052	or return;	1389	or return;
1053		1390
…		…
1058	cf::override;	1395	cf::override;
1059	},	1396	},
1060	on_extcmd => sub {	1397	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
1062		1399
1063	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1401
1065	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
1071	} else {	1417	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1419	}
1074		1420
1075	cf::override;	1421	cf::override;
1076	},	1422	},
1077	);	1423	);
1078		1424
		1425	# "readahead" all extensions
		1426	sub cache_extensions {
		1427	my $grp = IO::AIO::aio_group;
		1428
		1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1430	for (grep /\.ext$/, @{$_[0]}) {
		1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1432	}
		1433	};
		1434
		1435	$grp
		1436	}
		1437
1079	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
1080	cf::sync_job {	1441	cf::sync_job {
1081	my %todo;	1442	my %todo;
1082		1443
1083	for my $path (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1445	next unless -r $path;
…		…
1102		1463
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1466
1106	$ext{source} =	1467	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1468	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1469	. "#line 1 \"$path\"\n{\n"
1109	. $source	1470	. $source
1110	. "\n};\n1";	1471	. "\n};\n1";
1111		1472
1112	$todo{$base} = \%ext;	1473	$todo{$base} = \%ext;
1113	}	1474	}
1114		1475
		1476	my $pass = 0;
1115	my %done;	1477	my %done;
1116	while (%todo) {	1478	while (%todo) {
1117	my $progress;	1479	my $progress;
1118		1480
		1481	++$pass;
		1482
		1483	ext:
1119	while (my ($k, $v) = each %todo) {	1484	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1485	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1486	next ext
1122	unless exists $done{$_};	1487	unless exists $done{$_};
1123	}	1488	}
1124		1489
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1491
1127	unless (eval $v->{source}) {	1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1495	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1498	if exists $v->{meta}{mandatory};
1132	warn $msg;	1499
1133	warn "mandatory extension failed to load, exiting.\n";	1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1501	delete $todo{$k};
1135	}	1502	} else {
1136		1503	$done{$k} = delete $todo{$k};
1137	warn $msg;	1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
1138	}	1509	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1510	}
1144		1511
1145	skip:	1512	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
1148	}	1520	}
1149	};	1521	};
1150	}	1522	}
1151		1523
1152	#############################################################################	1524	#############################################################################
1153		1525
1154	=back	1526	=back
1155		1527
1156	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
1157		1529
1158	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
1159		1531
1160	=cut	1532	=cut
1161		1533
1162	package cf::player;	1534	package cf::player;
1163		1535
1164	use Coro::AIO;	1536	use Coro::AIO;
1165		1537
1166	=head3 cf::player	1538	=head3 cf::player
1167		1539
1168	=over 4	1540	=over 4
		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
1169		1555
1170	=item cf::player::find $login	1556	=item cf::player::find $login
1171		1557
1172	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
1173		1559
…		…
1192		1578
1193	sub exists($) {	1579	sub exists($) {
1194	my ($login) = @_;	1580	my ($login) = @_;
1195		1581
1196	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
1198	}	1584	}
1199		1585
1200	sub find($) {	1586	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1588	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1598	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1599
1214	my $pl = load_pl path $login	1600	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
1217	}	1609	}
1218	}	1610	}
1219	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1220		1625
1221	sub save($) {	1626	sub save($) {
1222	my ($pl) = @_;	1627	my ($pl) = @_;
1223		1628
1224	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1230		1635
1231	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1233		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1234	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1235	Coro::cede;	1645	cf::cede_to_tick;
1236	}	1646	}
1237		1647
1238	sub new($) {	1648	sub new($) {
1239	my ($login) = @_;	1649	my ($login) = @_;
1240		1650
…		…
1246	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1247		1657
1248	$self	1658	$self
1249	}	1659	}
1250		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1251	=item $pl->quit_character	1671	=item $pl->quit_character
1252		1672
1253	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1255		1675
…		…
1259	my ($pl) = @_;	1679	my ($pl) = @_;
1260		1680
1261	my $name = $pl->ob->name;	1681	my $name = $pl->ob->name;
1262		1682
1263	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1685
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1269	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1270		1694
1271	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
…		…
1308	or return [];	1732	or return [];
1309		1733
1310	my @logins;	1734	my @logins;
1311		1735
1312	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1316		1746
1317	utf8::decode $login;	1747	utf8::decode $login;
1318	push @logins, $login;	1748	push @logins, $login;
1319	}	1749	}
1320		1750
1321	\@logins	1751	\@logins
1322	}	1752	}
1323		1753
1324	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1325		1757
1326	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1327	player. May block.	1759	player. May block.
1328		1760
1329	=cut	1761	=cut
…		…
1347	}	1779	}
1348		1780
1349	\@paths	1781	\@paths
1350	}	1782	}
1351		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1352	=item $player->ext_reply ($msgid, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1353		1789
1354	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1355		1791
1356	=cut	1792	=cut
1357		1793
1358	sub ext_reply($$%) {	1794	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1360		1796
1361	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1798	}
1365		1799
1366	=item $player->ext_event ($type, %msg)	1800	=item $player->ext_msg ($type, @msg)
1367		1801
1368	Sends an ext event to the client.	1802	Sends an ext event to the client.
1369		1803
1370	=cut	1804	=cut
1371		1805
1372	sub ext_event($$%) {	1806	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1807	my ($self, $type, @msg) = @_;
1374		1808
1375	$self->ns->ext_event ($type, %msg);	1809	$self->ns->ext_msg ($type, @msg);
1376	}	1810	}
1377		1811
1378	=head3 cf::region	1812	=head3 cf::region
1379		1813
1380	=over 4	1814	=over 4
…		…
1390	=cut	1824	=cut
1391		1825
1392	sub find_by_path($) {	1826	sub find_by_path($) {
1393	my ($path) = @_;	1827	my ($path) = @_;
1394		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
1395	my ($match, $specificity);	1831	my ($match, $specificity);
1396		1832
1397	for my $region (list) {	1833	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1834	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1835	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1836	if $region->specificity > $specificity;
1401	}	1837	}
1402	}	1838	}
1403		1839
…		…
1424	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1426		1862
1427	sub generate_random_map {	1863	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1430	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1869	}
1444		1870
1445	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1446		1872
1447	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1452		1878
1453	sub register {	1879	sub register {
1454	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1881	my $pkg = caller;
1456		1882
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1884
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1886	}
1462		1887
1463	# also paths starting with '/'	1888	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1890
1466	sub thawer_merge {	1891	sub thawer_merge {
1467	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1468		1893
1469	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
…		…
1474	}	1899	}
1475		1900
1476	sub normalise {	1901	sub normalise {
1477	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1478		1903
1479	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1480		1905
1481	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1482		1907
1483	# map plan:	1908	# map plan:
1484	#	1909	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1925	$path = "$base/$path";
1501	}	1926	}
1502		1927
1503	for ($path) {	1928	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1507	}	1931	}
1508		1932
1509	$path	1933	$path
…		…
1523	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1524	return $self;	1948	return $self;
1525	}	1949	}
1526	}	1950	}
1527		1951
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	1953	()
1530	}	1954	}
1531		1955
1532	sub init {	1956	sub init {
1533	my ($self) = @_;	1957	my ($self) = @_;
…		…
1555		1979
1556	# the temporary/swap location	1980	# the temporary/swap location
1557	sub save_path {	1981	sub save_path {
1558	my ($self) = @_;	1982	my ($self) = @_;
1559		1983
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1985	"$TMPDIR/$path.map"
1562	}	1986	}
1563		1987
1564	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1565	sub uniq_path {	1989	sub uniq_path {
1566	my ($self) = @_;	1990	my ($self) = @_;
1567		1991
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1993	"$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	}	1994	}
1580		1995
1581	sub decay_objects {	1996	sub decay_objects {
1582	my ($self) = @_;	1997	my ($self) = @_;
1583		1998
…		…
1596		2011
1597	sub load_header_from($) {	2012	sub load_header_from($) {
1598	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1599		2014
1600	utf8::encode $path;	2015	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1606		2024
1607	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1608		2026
1609	1	2027	1
1610	}	2028	}
…		…
1662		2080
1663	sub find;	2081	sub find;
1664	sub find {	2082	sub find {
1665	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1666		2084
		2085	cf::cede_to_tick;
		2086
1667	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1668		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2091
1671	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1674	or return;	2094	or return;
1675		2095
1676	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1677		2097
…		…
1679	or return;	2099	or return;
1680		2100
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1684	$map->reset;	2106	$map->reset;
1685	undef $guard;
1686	return find $path;	2107	return find $path;
1687	}	2108	}
1688		2109
1689	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1690	}	2111	}
1691	}	2112	}
1692		2113
1693	sub pre_load { }	2114	sub pre_load { }
1694	sub post_load { }	2115	#sub post_load { } # XS
1695		2116
1696	sub load {	2117	sub load {
1697	my ($self) = @_;	2118	my ($self) = @_;
1698		2119
1699	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1700		2121
1701	my $path = $self->{path};	2122	my $path = $self->{path};
1702		2123
1703	{	2124	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1705		2126
		2127	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2129
1708	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1709		2131
1710	$self->alloc;	2132	$self->alloc;
1711		2133
1712	$self->pre_load;	2134	$self->pre_load;
1713	Coro::cede;	2135	cf::cede_to_tick;
1714		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2139	$self->_load_objects ($f)
1716	or return;	2140	or return;
1717		2141
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1719	if delete $self->{load_original};	2143	if delete $self->{load_original};
1720		2144
1721	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2146	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2149	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1726	}	2153	}
1727	}	2154	}
1728		2155
1729	Coro::cede;	2156	$f->resolve_delayed_derefs;
		2157
		2158	cf::cede_to_tick;
1730	# now do the right thing for maps	2159	# now do the right thing for maps
1731	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2162	unless $self->difficulty;
1734	Coro::cede;	2163	cf::cede_to_tick;
1735		2164
1736	unless ($self->{deny_activate}) {	2165	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2166	$self->decay_objects;
1738	$self->fix_auto_apply;	2167	$self->fix_auto_apply;
1739	$self->update_buttons;	2168	$self->update_buttons;
1740	Coro::cede;	2169	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2170	$self->activate;
1744	}	2171	}
1745		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2177	}
1748		2178
1749	$self->post_load;	2179	$self->post_load;
1750	}
1751		2180
		2181	1
		2182	}
		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2187	sub customise_for {
1753	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1754		2189
1755	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2191	if $self->per_player;
…		…
1760		2195
1761	$self	2196	$self
1762	}	2197	}
1763		2198
1764	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2200	sub load_neighbours {
1766	my ($map) = @_;	2201	my ($map) = @_;
1767		2202
1768	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1769		2204
1770	for (0 .. 3) {	2205	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1772	or next;	2207	or next;
1773	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1774	or next;	2209	or next;
1775	$neigh->load;	2210	$neigh->load;
1776		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2216	}
1780		2217
1781	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1783	or next;	2221	or next;
1784	$neigh->load;	2222	$neigh->load;
1785	}	2223	}
1786	}	2224	}
1787		2225
1788	sub find_sync {	2226	sub find_sync {
1789	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1790		2228
1791	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1792	}	2233	}
1793		2234
1794	sub do_load_sync {	2235	sub do_load_sync {
1795	my ($map) = @_;	2236	my ($map) = @_;
1796		2237
1797	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1798	}	2242	}
1799		2243
1800	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1802		2246
1803	sub find_async {	2247	sub find_async {
1804	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1805		2249
1806	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1807		2251
1808	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2254	}
1811		2255
1812	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1813	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1814	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2263	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2264	$map->load if $v;
		2265	}
1819		2266
1820	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1821	}	2268	}
1822	}	2269	}
1823	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1824	};	2271	};
1825	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1826		2273
1827	()	2274	()
1828	}	2275	}
1829		2276
		2277	# common code, used by both ->save and ->swapout
1830	sub save {	2278	sub _save {
1831	my ($self) = @_;	2279	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2280
1835	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1836		2282
1837	return unless $self->dirty;	2283	return unless $self->dirty;
1838		2284
…		…
1844	return if $self->{deny_save};	2290	return if $self->{deny_save};
1845		2291
1846	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1847		2293
1848	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1850	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1851		2300
1852	if ($uniq) {	2301	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2304	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2306	}
1858	}	2307	}
1859		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1860	sub swap_out {	2317	sub swap_out {
1861	my ($self) = @_;	2318	my ($self) = @_;
1862		2319
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1868	return if $self->players;	2324	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1872	$self->clear;	2335	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2336	}
1875		2337
1876	sub reset_at {	2338	sub reset_at {
1877	my ($self) = @_;	2339	my ($self) = @_;
1878		2340
…		…
1896		2358
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2360
1899	return if $self->players;	2361	return if $self->players;
1900		2362
1901	warn "resetting map ", $self->path;	2363	cf::trace "resetting map ", $self->path, "\n";
1902		2364
1903	$self->in_memory (cf::MAP_SWAPPED);	2365	$self->in_memory (cf::MAP_SWAPPED);
1904		2366
1905	# need to save uniques path	2367	# need to save uniques path
1906	unless ($self->{deny_save}) {	2368	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2372	if $uniq;
1911	}	2373	}
1912		2374
1913	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1914		2376
		2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2379	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2380
1919	$self->unlink_save;	2381	$self->unlink_save;
1920	$self->destroy;	2382	$self->destroy;
1921	}	2383	}
1922		2384
1923	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1924		2386
1925	sub nuke {	2387	sub nuke {
1926	my ($self) = @_;	2388	my ($self) = @_;
1927		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1928	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1929		2394
1930	$self->unlink_save;	2395	$self->unlink_save;
1931		2396
1932	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2402
1938	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1939		2405
1940	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
1941	}	2407	}
1942		2408
1943	=item $maps = cf::map::tmp_maps	2409	=item $maps = cf::map::tmp_maps
…		…
1985		2451
1986	sub unique_maps() {	2452	sub unique_maps() {
1987	[	2453	[
1988	map {	2454	map {
1989	utf8::decode $_;	2455	utf8::decode $_;
1990	/\.map$/	2456	s/\.map$//; # TODO future compatibility hack
		2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
1991	? normalise $_	2459	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2460	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2461	]
1995	}	2462	}
1996		2463
1997	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1998		2495
1999	=back	2496	=back
2000		2497
2001	=head3 cf::object	2498	=head3 cf::object
2002		2499
…		…
2006		2503
2007	=over 4	2504	=over 4
2008		2505
2009	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
2010		2507
2011	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
2012		2510
2013	=cut	2511	=cut
2014		2512
2015	sub inv_recursive_;	2513	sub inv_recursive_;
2016	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
2019		2517
2020	sub inv_recursive {	2518	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
2022	}	2520	}
2023		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
2024	package cf;	2550	package cf;
2025		2551
2026	=back	2552	=back
2027		2553
2028	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	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	2561	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
2037		2563
2038	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
2039		2579
2040	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2581	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
2050		2590
2051	} else {	2591	} else {
2052	my $pl = $self->contr;	2592	my $pl = $self->contr;
2053		2593
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2595	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2597
2060	} else {	2598	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2601	}
2064	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
2065	}	2613	}
2066		2614
2067	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
2068		2616
2069	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
2082		2630
2083	=item $player_object->enter_link	2631	=item $player_object->enter_link
2084		2632
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2634
2087	The player should be reasonably safe there for short amounts of time. You	2635	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.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
2089		2639
2090	Will never block.	2640	Will never block.
2091		2641
2092	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
2093		2643
…		…
2113	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2664	my ($self) = @_;
2115		2665
2116	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
2117		2667
		2668	++$self->{_link_recursion};
		2669
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2671
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2673	if $self->map && $self->map->{path} ne "{link}";
2122		2674
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2676	}
2125		2677
2126	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
2128		2680
…		…
2145	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
2147		2699
2148	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
2151		2703
2152	$map->load;	2704	$map->load;
2153	$map->load_diag;	2705	$map->load_neighbours;
2154		2706
2155	return unless $self->contr->active;	2707	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2708
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2710	if ($self->enter_map ($map, $x, $y)) {
2160	}	2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
		2714	$self->activate_recursive;
		2715	}
2161		2716
		2717	}
		2718
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2720
2164	Moves the player to the given map-path and coordinates by first freezing	2721	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	2722	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	2723	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
2168		2729
2169	=cut	2730	=cut
2170		2731
2171	our $GOTOGEN;	2732	our $GOTOGEN;
2172		2733
2173	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
2175		2742
2176	# do generation counting so two concurrent goto's will be executed in-order	2743	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2745
2179	$self->enter_link;	2746	$self->enter_link;
2180		2747
2181	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
2182	my $map = eval {	2770	my $map = eval {
2183	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
2184		2772
2185	if ($map) {	2773	if ($map) {
2186	$map = $map->customise_for ($self);	2774	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2775	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2776	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2778	}
2191		2779
2192	$map	2780	$map
2193	};	2781	};
2194		2782
…		…
2199		2787
2200	if ($gen == $self->{_goto_generation}) {	2788	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2789	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
2203	}	2791	}
		2792
		2793	$done->($self) if $done;
2204	})->prio (1);	2794	})->prio (1);
2205	}	2795	}
2206		2796
2207	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
2208		2798
…		…
2228	}	2818	}
2229		2819
2230	sub prepare_random_map {	2820	sub prepare_random_map {
2231	my ($exit) = @_;	2821	my ($exit) = @_;
2232		2822
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2825	# that depends on the exit object
2238		2826
2239	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2829	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
2246	}	2836	}
2247		2837
2248	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
2249		2839
2250	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
2253		2843
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2846	undef $fh;
2257	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
2258		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
2261	}	2855	}
2262	}	2856	}
2263		2857
2264	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
2266		2860
2267	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
2268		2862
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;	2863	$self->enter_link;
2281		2864
2282	(async {	2865	(async {
2283	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
2284	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
2285	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
2286		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
2287	1;	2889	1
2288	}) {	2890	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2895
2294	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2897	$self->leave_link;
2296	}	2898	}
2297	})->prio (1);	2899	})->prio (1);
2298	}	2900	}
2299		2901
…		…
2313		2915
2314	utf8::encode $text;	2916	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2918	}
2317		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
2318	=item $client->ext_event ($type, %msg)	3107	=item $client->ext_msg ($type, @msg)
2319		3108
2320	Sends an exti event to the client.	3109	Sends an ext event to the client.
2321		3110
2322	=cut	3111	=cut
2323		3112
2324	sub cf::client::ext_event($$%) {	3113	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3114	my ($self, $type, @msg) = @_;
2326		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3119	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
2329	}	3140	}
2330		3141
2331	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
2332		3143
2333	Queues a query to the client, calling the given callback with	3144	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>,	3145	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>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3147
2337	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3149	become reliable at some point in the future.
2339		3150
2340	=cut	3151	=cut
2341		3152
2342	sub cf::client::query {	3153	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3162	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3164
2354	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2356	}	3169	}
2357		3170
2358	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2359	on_reply => sub {	3177	on_reply => sub {
2360	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2361		3179
2362	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2363	# get handled first	3181	# get handled first
…		…
2375	} else {	3193	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3195	}
2378	}	3196	}
2379	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2380	);	3224	);
2381		3225
2382	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2383		3227
2384	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3244
2401	$coro	3245	$coro
2402	}	3246	}
2403		3247
2404	cf::client->attach (	3248	cf::client->attach (
2405	on_destroy => sub {	3249	on_client_destroy => sub {
2406	my ($ns) = @_;	3250	my ($ns) = @_;
2407		3251
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3253	},
2410	);	3254	);
…		…
2425	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2427		3271
2428	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2429		3273
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2431		3279
2432	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2433		3281
2434	=pod	3282	=pod
2435		3283
2436	The following functions and methods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2437		3285
2438	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2439	cf::object::player player	3291	cf::object::player
2440	cf::player peaceful	3292	player
2441	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2442		3299
2443	=cut	3300	=cut
2444		3301
2445	for (	3302	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2450	) {	3309	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3312	for @funs;
2455	}	3313	}
2456		3314
…		…
2471		3329
2472	my $qcode = $code;	3330	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2475		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2476	local $_;	3337	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3338
2479	my $eval =	3339	my $eval =
2480	"do {\n"	3340	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3343	. $code
2484	. "\n}"	3344	. "\n}"
2485	;	3345	;
2486		3346
		3347	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2490		3356
2491	if ($@) {	3357	if ($@) {
2492	warn "$@";	3358	warn "$@",
2493	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2495	}	3361	}
2496		3362
2497	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2498	}	3364	}
2499		3365
…		…
2513	=cut	3379	=cut
2514		3380
2515	sub register_script_function {	3381	sub register_script_function {
2516	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2517		3383
2518	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2520	}	3386	}
2521		3387
2522	=back	3388	=back
2523		3389
2524	=cut	3390	=cut
…		…
2527	# the server's init and main functions	3393	# the server's init and main functions
2528		3394
2529	sub load_facedata($) {	3395	sub load_facedata($) {
2530	my ($path) = @_;	3396	my ($path) = @_;
2531		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
2532	warn "loading facedata from $path\n";	3404	trace "loading facedata from $path\n";
2533		3405
2534	my $facedata;
2535	0 < aio_load $path, $facedata	3406	0 < aio_load $path, my $facedata
2536	or die "$path: $!";	3407	or die "$path: $!";
2537		3408
2538	$facedata = Coro::Storable::thaw $facedata;	3409	$facedata = Coro::Storable::thaw $facedata;
2539		3410
2540	$facedata->{version} == 2	3411	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
2543	{	3423	{
2544	my $faces = $facedata->{faceinfo};	3424	my $faces = $facedata->{faceinfo};
2545		3425
2546	while (my ($face, $info) = each %$faces) {	3426	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
2552	}	3436	}
2553		3437
2554	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3439	next unless $info->{smooth};
		3440
2556	my $idx = cf::face::find $face	3441	my $idx = cf::face::find $face
2557	or next;	3442	or next;
		3443
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3447	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3448	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3449	}
2563	Coro::cede;	3450
		3451	cf::cede_to_tick;
2564	}	3452	}
2565	}	3453	}
2566		3454
2567	{	3455	{
2568	my $anims = $facedata->{animinfo};	3456	my $anims = $facedata->{animinfo};
2569		3457
2570	while (my ($anim, $info) = each %$anims) {	3458	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3460	cf::cede_to_tick;
2573	}	3461	}
2574		3462
2575	cf::anim::invalidate_all; # d'oh	3463	cf::anim::invalidate_all; # d'oh
2576	}	3464	}
2577		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
2578	1	3485	1
2579	}	3486	}
2580		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
2581	sub reload_regions {	3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
2582	load_resource_file "$MAPDIR/regions"	3511	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
2584	}	3518	}
2585		3519
2586	sub reload_facedata {	3520	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3521	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3522	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3530	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3531	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3532	or die "unable to load treasurelists\n";
2599	}	3533	}
2600		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
2601	sub reload_resources {	3558	sub reload_resources {
2602	warn "reloading resource files...\n";	3559	trace "reloading resource files...\n";
2603		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
2604	reload_regions;	3566	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3567	reload_treasures;
2609		3568
2610	warn "finished reloading resource files\n";	3569	trace "finished reloading resource files\n";
2611	}	3570	}
2612		3571
2613	sub init {	3572	sub reload_config {
2614	reload_resources;	3573	trace "reloading config file...\n";
2615	}
2616		3574
2617	sub cfg_load {	3575	0 < aio_load "$CONFDIR/config", my $config
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3576	or die "$CONFDIR/config: $!";
2619	or return;
2620		3577
2621	local $/;	3578	utf8::decode $config;
2622	*CFG = YAML::Syck::Load <$fh>;	3579	*CFG = yaml_load $config;
2623		3580
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3582
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$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};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3585
2629	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2633	};	3590	};
2634	warn $@ if $@;	3591	warn $@ if $@;
2635	}	3592	}
2636	}	3593	}
2637		3594
		3595	sub pidfile() {
		3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
		3621	}
		3622
2638	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2639	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3636	(async {
2643	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2645	};	3640	};
2646		3641
2647	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
		3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
2648	db_init;	3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2649	load_extensions;	3665	load_extensions;
2650		3666
2651	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2653	}	3685	}
2654		3686
2655	#############################################################################	3687	#############################################################################
2656	# initialisation and cleanup	3688	# initialisation and cleanup
2657		3689
2658	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2659	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3694	$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";	3695	cf::cleanup "SIG$signal";
2668	},
2669	);	3696	};
2670	}	3697	}
2671	}	3698	}
2672		3699
2673	sub write_runtime {	3700	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3701	my $t0 = AE::time;
2675		3702
2676	# first touch the runtime file to show we are still running:	3703	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3704	# the fsync below can take a very very long time.
2678		3705
2679	IO::AIO::aio_utime $runtime, undef, undef;	3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3707
2681	my $guard = cf::lock_acquire "write_runtime";	3708	my $guard = cf::lock_acquire "write_runtime";
2682		3709
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3711	or return;
2685		3712
2686	my $value = $cf::RUNTIME + 90 + 10;	3713	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3714	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3715	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3725	aio_utime $fh, undef, undef;
2699		3726
2700	close $fh	3727	close $fh
2701	or return;	3728	or return;
2702		3729
2703	aio_rename "$runtime~", $runtime	3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3731	and return;
2705		3732
2706	warn "runtime file written.\n";	3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3734
2708	1	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2709	}	3786	}
2710		3787
2711	sub emergency_save() {	3788	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2713		3790
2714	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2715		3797
2716	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2717	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3809	$pl->save;
2725	}	3810	}
2726	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2727		3812
2728	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3818	$map->valid or next;
2732	$map->save;	3819	$map->save;
2733	}	3820	}
2734	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
2735		3822
2736	warn "begin emergency database checkpoint\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3851	};
2740		3852
2741	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2742	}	3854	}
2743		3855
2744	sub post_cleanup {	3856	sub post_cleanup {
2745	my ($make_core) = @_;	3857	my ($make_core) = @_;
2746		3858
		3859	IO::AIO::flush;
		3860
2747	warn Carp::longmess "post_cleanup backtrace"	3861	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
2749	}	3891	}
2750		3892
2751	sub do_reload_perl() {	3893	sub do_reload_perl() {
2752	# can/must only be called in main	3894	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2754	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2755	return;	3897	return;
2756	}	3898	}
2757		3899
2758	warn "reloading...";	3900	return if $RELOAD++;
2759		3901
2760	warn "entering sync_job";	3902	my $t1 = AE::time;
2761		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
2762	cf::sync_job {	3910	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3911	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3912
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";	3913	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3915	%EXT_CORO = ();
2791		3916
2792	warn "removing commands";	3917	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3918	%COMMAND = ();
2794		3919
2795	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2797		3923
2798	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2801		3927
2802	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3929	eval {
2804	$cb->($pkg);	3930	$cb->($pkg);
2805	1	3931	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2807	}	3937	}
2808		3938
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3942
2817	warn "... unloading $k";	3943	trace "... unloading $k";
2818	delete $INC{$k};	3944	delete $INC{$k};
2819		3945
2820	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2822		3948
2823	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2825	}	3954	}
2826		3955
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3959
2834	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3963
2838	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3965	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2841		3967
2842	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2843		3969
2844	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2845	require cf;	3971	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2847		3973
2848	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	3975	cf::reload_config;
2850		3976
2851	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	3978	cf::load_extensions;
2853		3979
		3980	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3982	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3985	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3986	reattach $_ for values %PLAYER;
		3987	}
2860		3988
2861	warn "leaving sync_job";	3989	cf::_post_init 1;
2862		3990
		3991	trace "perl_reload: leaving sync_job";
		3992
2863	1	3993	1
2864	} or do {	3994	} or do {
2865	warn $@;	3995	error $@;
2866	warn "error while reloading, exiting.";	3996	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	3997	};
		3998
		3999	--$RELOAD;
2868	};	4000	}
2869		4001
2870	warn "reloaded";	4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
2871	};	4004	};
2872		4005
2873	our $RELOAD_WATCHER; # used only during reload	4006	our $RELOAD_WATCHER; # used only during reload
2874		4007
2875	sub reload_perl() {	4008	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4009	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4010	# coro crashes during coro_state_free->destroy here.
2878		4011
2879	$RELOAD_WATCHER ||= Event->timer (	4012	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4013	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4014
2882	data => WF_AUTOCANCEL,	4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4016	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4017	undef $RELOAD_WATCHER;
2886	},	4018	};
2887	);	4019	};
2888	}	4020	}
2889		4021
2890	register_command "reload" => sub {	4022	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2892		4024
2893	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
		4027	async {
		4028	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4029	reload_perl;
		4030	};
2896	}	4031	}
2897	};	4032	};
2898		4033
2899	unshift @INC, $LIBDIR;	4034	#############################################################################
2900		4035
2901	my $bug_warning = 0;	4036	my $bug_warning = 0;
2902		4037
2903	our @WAIT_FOR_TICK;	4038	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	4039	our @WAIT_FOR_TICK_BEGIN;
2905		4040
2906	sub wait_for_tick {	4041	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		4043
2910	my $signal = new Coro::Signal;	4044	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	4045	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	4046	$signal->wait;
2913	}	4047	}
2914		4048
2915	sub wait_for_tick_begin {	4049	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		4051
2919	my $signal = new Coro::Signal;	4052	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4053	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4054	$signal->wait;
2922	}	4055	}
2923		4056
2924	my $min = 1e6;#d#	4057	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) {	4058	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2936	return;	4061	return;
2937	}	4062	}
2938		4063
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2942		4065
2943	0 && sync_job {#d#	4066	#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		4067
2949	$map->width (50);	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	4070	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	4071	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	4072	write_runtime_sync
2954		4073	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	};	4074	};
		4075	}
2965		4076
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) {	4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4078	$sig->send;
2982	}	4079	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4080	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4081	$sig->send;
2985	}	4082	}
2986		4083
2987	$NOW = Event::time;	4084	$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;	4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4086
2998	_post_tick;	4087	if (0) {
2999		4088	if ($NEXT_TICK) {
3000		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
		4092	}
3001	},	4093	}
3002	);	4094	}
3003		4095
3004	{	4096	{
3005	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4098
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;	4099	BDB::min_parallel 16;
3015		4100	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4101	$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		4102
3031	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4110
3034	cf::sync_job {	4111	cf::sync_job {
3035	eval {	4112	eval {
3036	BDB::db_env_open	4113	BDB::db_env_open
3037	$DB_ENV,	4114	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4118	0666;
3042		4119
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4120	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	};	4121	};
3048		4122
3049	cf::cleanup "db_env_open(db): $@" if $@;	4123	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4124	};
3051	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
3052	}	4136	}
3053		4137
3054	{	4138	{
		4139	# configure IO::AIO
		4140
3055	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4143	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	}	4144	}
3068		4145
3069	my $_log_backtrace;	4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
3070		4148
3071	sub _log_backtrace {	4149	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4150	my ($msg, @addr) = @_;
3073		4151
3074	$msg =~ s/\n//;	4152	$msg =~ s/\n$//;
3075		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4157	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
3079	async {	4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
3080	my @bt = fork_call {	4165	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4166	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4169	or die "addr2line: $!";
…		…
3092	}	4177	}
3093		4178
3094	@funcs	4179	@funcs
3095	};	4180	};
3096		4181
3097	LOG llevInfo, "[ABT] $msg\n";	4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4184	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4185	--$_log_backtrace;
3100	};	4186	};
3101	} else {	4187	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4188	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4190	}
3105	}	4191	}
3106		4192
3107	# load additional modules	4193	# load additional modules
3108	use cf::pod;	4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
3109		4196
3110	END { cf::emergency_save }	4197	END { cf::emergency_save }
3111		4198
3112	1	4199	1
3113		4200

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